KR102263672B1 - Flue gas switchgear with smoke control - Google Patents

Abstract

The present invention relates to a smoke exhaust window opening and closing device having a smoke function, and more particularly, when the smoke window is fixed to a window frame assembled with an upper and lower hinge structure, and when a fire occurs, the closed smoke window is pushed to the outside and opened, so that the smoke window is opened in an indoor space. The present invention relates to a smoke window opening and closing device having a smoke function so that generated toxic gas is rapidly discharged to the outside through an open exhaust space.

Description

Flue gas switchgear with smoke control

The present invention relates to a smoke exhaust window opening and closing device having a smoke function, and more particularly, by fixing the smoke window to a window frame assembled with an upper and lower hinge structure and pushing the closed smoke window to the outside in case of a fire to open it, It relates to a smoke window opening/closing device having a smoke function that allows toxic gas to be rapidly discharged to the outside through an open exhaust space.

In general, when a fire occurs in an apartment or high-rise building, a large amount of smoke is generated due to the combustion of indoor furniture or interior materials. It can be seen that suffocation by smoke containing toxic gas occurs first, causing many casualties.

That is, when a fire occurs, a large amount of toxic gas containing a large amount of toxic gas is generated, and as such a large amount of toxic smoke is leaked into the evacuation route, it is difficult to evacuate through the evacuation route, resulting in many casualties and fire suppression. And there is a problem that causes a great hindrance to life-saving work.

On the other hand, the smoke window is installed in a building and automatically opened in case of a fire. According to the opening of the smoke window, smoke and toxic gas in the building are discharged to the outside, thereby minimizing human casualties caused by suffocation.

In addition, the smoke window serves to ventilate the inside of the building while being opened and closed by a user's operation.

Such a smoke exhaust window is pivotally installed on the window frame so as to be opened and closed by an opening and closing device. The above-described opening/closing device includes a main body installed on the window frame, a sprocket built into the main body, a driving motor for driving the sprocket, and a chain connected to open and close the smoke window while engaging the sprocket driven by the driving motor. .

However, the conventional smoke window opening/closing device is an electric type that opens and closes the smoke window by entering and exiting the chain by receiving a starting current. Therefore, it is impossible to open and close the smoke window when the operation is impossible due to a malfunction of the electric motor or the control unit. has limitations.

In addition, the conventional smoke window opening and closing device has a limitation in that it is difficult to quickly discharge the toxic gas remaining in the room because it is configured to simply push and open a smoke window with a high load through a chain that advances when a fire occurs.

Domestic Registered Patent No. 10-1187938 (Registered on September 26, 2012) Domestic Registered Patent No. 10-1446986 (Registered on September 26, 2014)

An object of the present invention, which was devised to solve the above problems, is to push the smoke window with a high load to the outside in case of a fire and turn the smoke window upward around the hinge to open it, and the toxic gas remaining in the room in the open state To provide a smoke window opening/closing device having a smoke function that enables a safer evacuation route to be secured and a manual opening/closing function is added to enable the opening and closing of the smoke window even when the operation of the electric opening/closing unit is impossible by forcibly exhausting .

The above object is achieved by the following configuration provided in the present invention.

A smoke window opening and closing device having a smoke function according to the present invention,

A chain comprising: a main body having a storage space in which an entry/exit path is formed; and a chain accommodated in the storage space and connecting an exit end that is advanced through the entry/exit path to the smoke window; a sprocket disposed in a rotating structure in the storage space and allowing the chain attached to the shoulder to enter and exit through forward and reverse rotation; and a chain operation unit including a sprocket shaft for arranging the sprocket in a rotatable structure in the receiving space, and a driving unit for providing an opening/closing force to the sprocket shaft of the chain operation unit,

A self-exhaust part is formed on the main body, which sucks in indoor air and forcibly guides and discharges it to the outside when the exhaust window is opened. It is disposed in the furnace and is configured to include an exhaust unit that receives a starting current from a control unit and discharges indoor air to the outside along an intake and exhaust passage.

Preferably, the exhaust unit includes: a compression pump unit that intakes and compresses indoor air; and a high-pressure injection unit for discharging the compressed air through the compression pump unit in the discharge direction to the intake and exhaust through the high-pressure injection nozzle.

More preferably, the driving unit comprises: a forward and reverse motor for generating a forward and reverse rotational force by a starting current applied by the control of the control unit; an operating shaft disposed parallel to the rotation shaft of the forward/reverse motor; a driving gear disposed on the rotation shaft of the forward and reverse motor; an operating gear disposed on the operating shaft and engaged with the driving gear; and an electric opening/closing unit configured to include a worm gear and a worm wheel gear that mesh the operation shaft and the sprocket shaft with a worm and a worm structure to provide forward and reverse rotational force through transmission;

a manual opening/closing shaft disposed orthogonally to the operating shaft of the electric opening/closing unit, the end of which is exposed in the inner direction of the body; a handle formed at an end of the manual opening/closing shaft exposed to the outside of the main body; and a manual opening/closing unit including a first bevel gear and a second bevel gear disposed between the manual opening/closing shaft and the operating shaft to be orthogonally meshed with each other.

As described above, in the present invention, when a high-load projector-type smoke window is pushed outward so that the toxic gas remaining in the room is discharged to the outside in case of a fire, a self-exhaust unit that forcibly discharges the toxic gas remaining in the room are adding

Accordingly, the present invention has the specificity of preventing damage to human life due to the toxic gas because it is possible to more quickly exhaust the toxic gas remaining in the room when a fire occurs through the self-exhaust unit.

In addition, in the present invention, an electric opening/closing unit and a manual opening/closing unit are provided for opening and closing the window by providing a forward and reverse rotational force to the chain part, and not only opening and closing the smoke window through electric power, but also the operation shaft by the manual operation force provided through the handle. It is possible to manually open and close the smoke window by rotating it in the forward and reverse direction.

Therefore, according to the present invention, it is possible to stably open and close the smoke window even in a state in which the operation of the electric opening/closing unit is impossible due to a power failure or a failure of the electric motor.

In addition, the present invention supports the electric and manual opening force of opening a high-load smoke exhaust window by adding a compression spring-type auxiliary loader, so that the high-load smoke window is opened by turning upward around the hinge even with a small force. it is possible to do

1 shows the construction state of an opening and closing device for a project-type smoke window having a smoke function, which is proposed as a preferred embodiment in the present invention, and a state of forced exhaust through a self-exhaust unit,
Figure 2 shows the overall configuration of the smoke window opening and closing device having a smoke function proposed as a preferred embodiment in the present invention,
3 and 4 show the operation state of the smoke window opening and closing device having a smoke function proposed as a preferred embodiment of the present invention, FIG. 3 shows the opening action of the smoke window, and FIG. 4 shows the closing action of the smoke window will show,
5 is a view showing the detailed configuration of a compression spring-type auxiliary pressing unit and a mainspring type auxiliary pressing unit in the smoke window opening and closing device having a smoke function, which is proposed as a preferred embodiment in the present invention;
6 is a view showing the detailed configuration and operating state of the mainspring-type auxiliary loader in the smoke window opening and closing device having a smoke function proposed as a preferred embodiment of the present invention;
7 is a view showing the auxiliary restraint state of the open smoke window in the smoke window opening and closing device having a smoke function proposed as a preferred embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a smoke window opening and closing device having a smoke function proposed as a preferred embodiment of the present invention will be described in detail.

1 shows the construction state of the opening and closing device for a project-type smoke exhaust window having a smoke function proposed as a preferred embodiment in the present invention, and a forced smoke exhaust state through a self-exhaust unit, and FIG. 2 is a preferred embodiment of the present invention. It shows the overall configuration of a smoke window opening and closing device having a smoke function, and FIGS. 3 and 4 show the operation state of the smoke window opening and closing device having a smoke function proposed as a preferred embodiment in the present invention, and FIG. 3 shows the opening action of the smoke window, FIG. 4 shows the closing action of the smoke window, and FIG. 5 is a compression spring-type auxiliary biasing unit in the smoke window opening and closing device having a smoke function proposed as a preferred embodiment in the present invention. and the detailed configuration of the hand-wound auxiliary loader, and FIG. 6 shows the detailed configuration and operation of the hand-wound auxiliary loader in the smoke exhaust window opening and closing device having a smoke function proposed as a preferred embodiment in the present invention, 7 is a view showing the auxiliary restraint state of the open smoke window in the smoke window opening and closing device having a smoke function proposed as a preferred embodiment of the present invention.

The smoke window opening and closing device 1 having a smoke function, which is proposed as a preferred embodiment in the present invention, is fixed to the window frame installed with the smoke window 110 in an upper and lower hinge structure. 110) electrically, and when a fire occurs, the closed smoke window 110 is pushed to the outside and automatically opened, so that the toxic gas generated in the indoor space is discharged to the outside through the open exhaust space. to be.

According to the present invention, the smoke window 110 is installed in a vertical hinge structure on the window frame 120 and is configured as a projector type that is opened and closed by turning in the vertical direction around the hinge, and the smoke window opening and closing device (1) according to the present invention ) is disposed between the window frame 120 and the smoke window 110 to push or pull the smoke window 110 in and out to open and close the smoke window 110 by turning up and down around the hinge.

As shown in FIGS. 1 to 4, the smoke window opening/closing device 1 includes a main body 10 having a storage space having an entrance and exit path formed therein, a driving unit (not shown) providing forward and reverse rotational force, and a driving unit from the driving unit. a chain operation unit 20 for setting the opening/closing state of the smoke window 110 by pulling or pushing the smoke window 110 inward and outward by receiving a forward and reverse rotational force; and a control unit (not shown) for controlling the driving of the driving unit.

The main body 10 has a storage space for accommodating the chain operation unit 20 and a storage space for accommodating the driving unit in upper and lower sections, and the forward end 21a of the chain 21 has an inner side facing the smoke exhaust window 110 . ), an entry and exit path is formed.

And, in this embodiment, as shown in FIG. 1, when the smoke window 110 is opened in the main body 10, a self-exhaust unit 70 is formed, which sucks in indoor air and forcibly guides and discharges it to the outside, resulting in a fire. When the opening of the smoke window 110 is completed, the self-exhaust unit 70 forcibly sucks in indoor air and discharges it to the outside, so that the smoke generated by the fire is more rapidly discharged to the outside.

The self-exhaust passage 70 according to the present embodiment includes an intake and exhaust passage 71 that is formed to penetrate between the inner side of the main body 10 and the outer side of the main body 10, and is disposed in the intake and exhaust passage 71 and includes a control unit ( It includes an exhaust unit 72 for receiving a starting current from (not shown) and for discharging indoor air to the outside along an intake and exhaust passage 71 .

In this embodiment, the exhaust unit 72 includes: a compression pump unit 72a for sucking in and compressing indoor air; It is composed of a high-pressure injection unit (72b) for discharging the compressed air through the compression pump unit (72a) in the discharge direction of the intake and exhaust passage (71) through the narrow-diameter high-pressure injection nozzle (72b).

Therefore, the internal pressure of the intake and exhaust passage 71 is lowered by the compressed air discharged at high pressure through the intake and exhaust passage 71, and the indoor air is rapidly discharged to the outside due to the pressure difference between the indoor and intake and exhaust passages 71, According to the present invention, it is possible to perform not only the function of opening the smoke window 110 when a fire occurs, but also a smoke function of rapidly forcibly discharging the smoke remaining in the indoor space to the outside.

In addition, the chain operation unit 20 includes: a chain 21 connected to the smoke window 110 through an exit end 21a that is accommodated in the storage space and advances through an entry and exit path; a sprocket 22 arranged in a rotating structure within the storage space to allow the chain 21 to be attached to and from the chain 21 through forward and reverse rotation; and a sprocket shaft 23 for fixing the sprocket 22 in a rotatable structure in the storage space, depending on the forward distance of the chain 21 forward end 21a according to the forward and reverse rotation of the sprocket shaft 23. (110) is pushed or pulled in and out to set the open/close state.

In addition, the driving unit includes an electric opening/closing unit 40 that provides electric rotational force to the sprocket shaft 23 to open and close the smoke window 110 through electric power, and the controller includes an electric opening/closing unit 40 when a fire signal is applied. ) by applying a starting current to the electric opening of the smoke window 110 through electric power.

Of course, a switching unit (not shown) may be provided in the control unit to apply a starting current to the electric opening/closing unit 40 according to an operation signal provided through the switching unit to set the opening/closing state of the smoke window 110 .

In addition, the electric opening/closing unit 40 for providing electric opening/closing force to the chain operation unit 20 includes a forward/reverse motor 41 for generating a forward/reverse rotational force by a starting current applied under the control of the control unit; an operation shaft 42 disposed in parallel with the rotation shaft 41a of the forward/reverse motor 41; a driving gear 43 disposed on the rotation shaft 41a of the forward/reverse motor 41; an actuating gear 44 disposed on the actuating shaft 42 and engaged with the drive gear 43; and a worm gear 45 and a worm wheel gear 46 that mesh the operation shaft 42 and the sprocket shaft 23 in a worm and worm structure.

Accordingly, the sprocket shaft 23 of the chain operation unit 20 applies the forward and reverse rotational force provided through the rotation shaft 41a of the forward/reverse motor 41, the driving gear 43, the operation gear 44, and the operation shaft 42 ) and the worm gear 45 and the worm wheel gear 46, rotate in the forward and reverse direction, and the chain is traction and transported through the installed sprocket 22, thereby electrically opening and closing the smoke window 110.

That is, when the rotation shaft 41a of the forward/reverse motor 41 rotates in the forward direction as shown in FIG. 3, the forward end 21a of the chain 21 advances to the outside and pushes the smoke window 110 outward to open, Also, when the rotation shaft 41a rotates in the reverse direction as shown in FIG. 4 , the forward end 21a of the chain 21 enters the inside and the smoke window 110 is pulled inward to close it.

At this time, an encoder unit 61 for detecting whether the smoke window 110 is opened or closed and an opening angle by measuring the forward and reverse rotations of the sprocket shaft 23 is added to the control unit, and the control unit is controlled through the encoder unit 61 By calculating whether the smoke window 110 is opened and closed and the opening angle is calculated based on the number of rotations of the sprocket shaft 23 measured, it is controlled whether the starting current applied to the forward/reverse motor 41 is applied.

And, the chain operation unit 20 includes a forward/reverse motor 41 constituting the electric opening/closing unit 40; an operation shaft 42 disposed in parallel with the rotation shaft 41a of the forward/reverse motor 41; a driving gear 43 disposed on the rotation shaft 41a of the forward/reverse motor 41; an actuating gear 44 disposed on the actuating shaft 42 and engaged with the drive gear 43; and opening and closing of the smoke exhaust window 110 by a braking load by a deceleration structure formed between the worm gear 45 and the worm wheel gear 46 that mesh the operation shaft 42 and the sprocket shaft 23 in a worm and worm structure. status is maintained continuously.

That is, the electric opening/closing unit 40 of the driving unit that provides the opening/closing force to the chain operation unit 20 maintains a state in mesh with the chain operation unit 20 at all times, and operates the chain during the opening and closing process of the smoke window 110 . The electric opening/closing force is stably provided to the unit 20, and the opening/closing state of the smoke window 110 under a high load is stably maintained through a braking load through a deceleration structure in normal times, and as a result, the smoke window 110 is Random opening/closing by its own weight or strong wind can be prevented.

On the other hand, in the present invention, by adding a manual opening/closing unit 50 capable of opening and closing the high-load projector type smoke window 110 through manual opening/closing force to the driving unit, a forward/reverse motor constituting the electric driving unit 40 ( 41) or when the normal operating state of the control unit driving the same is not formed, the user or the manager allows the smoke window 110 to be opened and closed by manual operation.

The manual opening/closing unit 50 according to this embodiment is disposed perpendicular to the operating shaft 42 constituting the electric opening/closing unit 40 and the manual opening/closing shaft 51 having the end exposed in the inner direction of the main body 10 . and; a handle 52 formed at an end of the manual opening/closing shaft 51 exposed to the outside of the main body 10; and a first bevel gear 53 and a second bevel gear 54 disposed between the manual opening/closing shaft 51 and the operation shaft 42 to be orthogonally meshed with each other.

Accordingly, as shown in FIGS. 3 and 4 , the operating shaft 42 of the electric opening/closing unit 40 rotates forward and reverse also through the electric opening and closing force provided through the rotation shaft 41a of the forward/reverse motor 41 to rotate the smoke window 110 . ), and also rotates forward and reverse through the manual opening/closing force provided through the manual opening/closing shaft 51 to open and close the smoke window 110 .

In addition, the handle 52 for providing a forward and reverse rotational force to the manual opening/closing shaft 51 is fixed to the tip of the arm 52a and to the end of the manual opening/closing shaft 51, and is attached in one direction in a set direction, and is manual only in the set direction. It is configured in a ratchet wrench type provided with a bidirectional ratchet bearing bush 52b that provides a rotational force to the opening/closing shaft 51, so as to provide a manual opening/closing force according to the forward and reverse rotation of the manual opening/closing shaft 51.

On the other hand, the project-type smoke window according to the present invention is configured to pivot up and down around the hinge due to its structural characteristics, and the smoke window 110 opened by its own weight or strong wind turns downward around the hinge, which may cause arbitrary closure. In particular, when the smoke window 110 rapidly turns downward or upward due to its own weight or strong wind, physical damage of the smoke window 110 may be caused.

In addition, since the smoke window 110 requires an opening force of 60N or more in the opening process due to its own weight, sufficient electric or manual opening force is required to open the smoke window 110 by turning upward around the hinge. is required

In consideration of this, in the present embodiment, auxiliary loaders 80 and 90 are added to the sprocket shaft 23 meshed with the actuating shaft 42, and compressed in the closing process of the smoke window 110 to generate an auxiliary force. In the process of opening the smoke window 110 , an auxiliary force is provided, so that the smoke window 110 can be stably opened even with a small opening force.

In the present invention, by adding a compression spring-type auxiliary pressing unit 80 and a rib-shaped auxiliary pressing unit 90, the smoke window 110 is organically provided through the auxiliary pressing units 80 and 90. to form a stable opening of the smoke window 110 and a stable fixing state of the open smoke window 110 .

The compression spring-type auxiliary biasing unit 80 includes a pinion gear 81 disposed on the sprocket shaft 23, as shown in FIG. 5, and a rack bar that is disposed in a forward and backward structure within the body and meshes with the pinion gear 81 to advance and retreat ( 82) and a compression spring 83 that supports the rear of the rack bar 82.

In this embodiment, a guide block 84 having a guide slot formed in the longitudinal direction is provided in the body 10, and the rack bar 82 meshed with the pinion gear 81 is a guide slot formed in the guide block 84. configured to follow.

And, in the present embodiment, a rack gear 82a for a pinion meshed with the pinion gear 81 is formed on the inner surface of the rack bar 82, and a rack gear 82b for a rib is formed on the upper or lower portion of the rack bar 82. By forming, the compression spring-type auxiliary pressing unit 80 and the tapered auxiliary pressing unit 90 through one rack bar 82 are configured to interlock with the sprocket shaft 23 .

Therefore, when the pinion gear 81 rotates in the reverse direction by the closing of the smoke window 110 as shown in FIG. 4, the rack bar 82 retracts and compresses the compression spring 83 to generate an auxiliary force, as shown in FIG. Likewise, when the smoke window 110 is opened, the rack bar 82 receives the elastic restoring force of the compressed compression spring 83 and advances while providing a forward and reverse auxiliary force to the sprocket shaft 23 .

In addition, the ribbed auxiliary urging unit 90 includes a rib member 91 wound by reverse rotation of the actuating shaft 42 by fixing one end to the end of the actuating shaft 42 ; and a rib housing 92 for accommodating the rib member 91 in a concentric structure and shoulder-attaching the other end of the rib member 91 .

In this embodiment, as shown in FIG. 6, ratchet protrusions 92a having a one-way locking structure are formed on the inner wall of the rib housing 92 at equal intervals, and when the rib member 91 is excessively wound, the rib member 91. The other end is separated from the corresponding ratchet protrusion 92a and is attached to the adjacent ratchet protrusion 92a, so that the rib member 91 is excessively wound to generate a set auxiliary force without being physically deformed or damaged.

In this embodiment, an annular rail 92b is formed on the inner wall of the frame housing 92, and the ratchet projections 92a are arranged at equal intervals on the annular rail 92b, while the frame member 91 is By disposing a shoulder roller 91a at the other end, the shoulder roller 91a formed on the other end of the rib member 91 that has separated from the ratchet protrusion 92a by excessive winding force moves along the annular rail 92b and is adjacent to it. It is attached to the ratchet protrusion 92a to suppress excessive winding of the rib member 91.

Therefore, when the sprocket shaft 23 and the operating shaft 42 meshed therewith rotate in the reverse direction during the closing process of the smoke exhaust window 110, as shown in FIG. 4, the compression spring of the compression spring-type auxiliary biasing unit 80 ( 83) is compressed to generate an auxiliary biasing force, and the ribbed auxiliary biasing unit 90 generates an auxiliary biasing force through the winding of the rib member 91.

Thus, as shown in FIG. 3 , the smoke window opening and closing device 1 having the compression spring-type auxiliary pressing unit 80 and the tapered auxiliary pressing unit 90 is organically formed through these auxiliary pressing units 80 and 90 . In the process of opening the smoke window 110 by turning upward by the provided auxiliary force, it is possible to stably open the smoke window 110 even with a relatively weak opening force.

In addition, in the present invention, by elastically restraining the rack bar 82 advanced by the opening of the smoke window 110 to the guide block 84 for installing the rack bar 82 in a forward and backward structure, the open smoke window ( 110) add a smoke window restraint structure that suppresses the flow caused by strong winds, etc.

As shown in FIGS. 5 and 7 , the exhaust window restraint structure is disposed in a direction perpendicular to the restraint groove 82c formed on the rear side side of the rack bar 82 and the guide block 84 to advance along the guide slot. A constraint member 94 that enters the constraint groove 82c formed on the side surface of the rack bar 82 and constrains the rack bar 82 meshed with the sprocket shaft 23, and a guide slot by holding the constraint member 94 Includes a restraining spring 95 to advance to the inside of the.

Accordingly, when the rack bar 82 advances along the guide slot by the opening of the smoke exhaust window 110 , the restraining member 94 supported by the restraining spring 95 is a restraint groove formed on the side surface of the rack bar 82 . By entering (82c), the rack bar 82 is elastically restrained, and as a result, the open smoke window 110 can be prevented from arbitrarily flowing by the restraining force formed between the rack bar 82 and the restraining member 94. have.

1. Smoke window opening and closing device
10. Body
20. Chain Actuator 21. Chain
21a. Exit 22. Sprocket
23. Sprocket Shaft
40. Electric opening/closing unit 41. Forward/reverse motor
42. Actuating Shaft 43. Drive Gear
44. Actuating gear 45. Worm gear
46. Worm wheel gear
50. Manual opening/closing unit 51. Manual opening/closing shaft
51a. Storage groove 52. Handle
52a. arm 52b. Ratchet Bearing Bush
52c. Hinge pin 53. 1st bevel gear
54. 2nd bevel gear
61. Encoder unit
70. Self exhaust 71. Intake and exhaust
72. Exhaust unit 72a. compression pump unit
72b. high pressure injection unit
80. Compression Spring Type Auxiliary Loading Part
81. Pinion gear 82. Rack bar
82a. Rack gear for pinion 82b. rack gear for tape
82c. restraint groove
83. Compression spring 84. Guide block
90. Tapered auxiliary load-bearing part
91. Frame member 91a. shoulder roller
92. Frame housing 92a. ratchet turn
92b. Annular rail 93. Winding gear
94. Restraining member 95. Restraining spring
110. Smoke window 120. Window frame

Claims (3)

A chain comprising: a main body having a storage space in which an entry/exit passage is formed; a sprocket disposed in a rotating structure in the storage space and allowing the chain attached to the shoulder to enter and exit through forward and reverse rotation; and a chain operation unit including a sprocket shaft for arranging the sprocket in a rotatable structure in the receiving space, and a driving unit for providing an opening/closing force to the sprocket shaft of the chain operation unit,
A self-exhaust unit is formed on the main body, which sucks in indoor air and forcibly guides and discharges it to the outside when the exhaust window is opened, and the self-exhaust unit includes an intake and exhaust passage penetrating between the inner side of the main body and the outer side of the main body; It is disposed in the furnace and includes an exhaust unit that receives a starting current from a control unit and discharges indoor air to the outside along an intake and exhaust passage,
The exhaust unit includes: a compression pump unit that intakes and compresses indoor air; and a high-pressure injection unit for discharging the compressed air through the compression pump unit in the discharge direction to the intake and exhaust through the high-pressure injection nozzle,
By adding an auxiliary biasing part to the sprocket shaft, an auxiliary loading force is generated in the closing process of the smoke window, and an auxiliary loading force is provided in the opening process of the smoke window, so that the smoke window can be stably opened even with a small opening force. A smoke window opening and closing device having a smoke function. delete The method of claim 1, wherein the driving unit comprises: a forward/reverse motor for generating a forward/reverse rotational force by a starting current applied under the control of the controller; an operating shaft disposed parallel to the rotation shaft of the forward/reverse motor; a driving gear disposed on the rotation shaft of the forward and reverse motor; an operating gear disposed on the operating shaft and engaged with the driving gear; and an electric opening/closing unit configured to include a worm gear and a worm wheel gear that mesh the operation shaft and the sprocket shaft with a worm and a worm structure to provide forward and reverse rotational force through transmission;
a manual opening/closing shaft disposed orthogonally to the operating shaft of the electric opening/closing unit, the end of which is exposed in the inner direction of the main body; a handle formed at an end of the manual opening/closing shaft exposed to the outside of the main body; and a manual opening/closing unit disposed between the manual opening/closing shaft and the operating shaft and including a first bevel gear and a second bevel gear that are orthogonally meshed with each other.

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