KR102803308B1 - Ventilation and fire spread prevention system for multistory building - Google Patents

Abstract

The present invention relates to a ventilation and fire spread prevention system for a multi-story building, and is characterized by including: a multi-story building having an emergency staircase and an indoor space; a first ventilation fan installed on the emergency staircase and introducing outside air into the inside of the emergency staircase; and a second ventilation fan installed in the indoor space and introducing outside air into the inside of the indoor space.

Description

{Ventilation and fire spread prevention system for multistory building}

The present invention relates to a ventilation and fire spread prevention system for a multi-story building, and more specifically, to a ventilation and fire spread prevention system for a multi-story building, which is provided with emergency stairs, corridors, and indoor spaces, and in which a ventilator is installed in an emergency stairs and corridors to form a pressure difference in the event of a fire, thereby preventing the spread of the fire, and in which a sirocco fan equipped with a filter is installed in the indoor spaces, thereby allowing purified outside air to be introduced into the indoor spaces.

Typically, buildings are equipped with ventilation systems that can purify the air. The ventilation system of a building purifies the air and introduces it into the interior space, and discharges the polluted air in the interior space to the outside.

Conventional ventilation devices purify indoor spaces by installing pipes on the ceiling, sucking in outside air, and supplying air into the room through the pipes. However, conventional ventilation devices installed on the ceiling have the following problems.

Conventional ventilation devices installed one air purification facility on the roof of a building, etc., and supplied outside air to the entire building through pipes branching into the interior. However, when only one air purification facility is used, there is a problem of reduced ventilation performance.

In addition, there is a problem that the installation cost of the ventilation device increases as the length of the piping increases as the ventilation device is installed by branching the piping indoors, and there is a problem that maintenance is not easy as the piping is installed on the ceiling.

In addition, conventional ventilation devices have a problem in that they cannot easily discharge pollutants heavier than the air on the floor to the outside because they purify the indoor air by installing the ventilation device on the ceiling.

On the other hand, in the case of high-rise buildings, there is a problem that there is no separate facility to prevent the spread of fire in the event of a fire. In the case of high-rise buildings, a method is used to prevent the spread of fire by injecting outside air into emergency stairs or elevator passages. However, this method has a problem that it is difficult to block the fire by differential pressure because the ventilation amount is small and the differential pressure drops when the front door of the house where the fire occurred is open or when the entrance door is used by many other houses.

Korean Patent Publication No. 10-2019-0043669 (April 29, 2019)

The present invention is intended to solve the above-described problem, and more specifically, relates to a ventilation and fire spread prevention system for a multi-story building, which is provided with emergency stairs, corridors, and indoor spaces, and in which a ventilator is installed in an emergency stairs and corridors to form a pressure difference in the event of a fire, thereby preventing the spread of the fire, and in which a sirocco fan equipped with a filter is installed in the indoor space, thereby allowing purified outside air to be introduced into the indoor space.

The ventilation and fire spread prevention system of a multi-story building of the present invention for solving the above-described problems is a system for ventilating a multi-story building and preventing the spread of fire, and is characterized by including: a multi-story building having an emergency staircase and an indoor space; a first ventilation fan installed on the emergency staircase and introducing outside air into the inside of the emergency staircase; and a second ventilation fan installed in the indoor space and introducing outside air into the inside of the indoor space.

In order to solve the above-described problem, the multi-story building of the present invention, a ventilation and fire spread prevention system for a multi-story building, further includes an elevator passage and a corridor in which an elevator is installed, and a third ventilation fan for introducing outside air into the interior of the corridor can be installed in the corridor.

In order to solve the above-described problem, the first ventilation fan of the multi-story building ventilation and fire spread prevention system of the present invention may be installed in multiple units on each floor of the emergency staircase, and the third ventilation fan may be installed in multiple units on each floor of the corridor.

The above-described corridor of the multi-story building ventilation and fire spread prevention system of the present invention for solving the above-described problem may be a space provided in front of an elevator for using the elevator.

In order to solve the above-described problem, the indoor space of the multi-story building ventilation and fire spread prevention system of the present invention further includes an entrance door, and a gap space may be provided between the entrance door and the floor.

In order to solve the above-described problem, the second ventilator of the multi-story building ventilation and fire spread prevention system of the present invention is equipped with an air purification filter and a sirocco fan, and the first ventilator and the third ventilator are installed in multiple numbers, and when a fire occurs, the first ventilator and the third ventilator installed in multiple numbers on each floor can be operated.

In order to solve the above-described problem, a corrugated pipe may be provided on one or the other side of the second ventilator of the multi-story building ventilation and fire spread prevention system of the present invention.

In order to solve the above-described problem, an ultraviolet lamp may be provided inside the second ventilator of the multi-story building ventilation and fire spread prevention system of the present invention.

In order to solve the above-described problem, a rubber plate for installing the sirocco fan may be provided inside the second ventilator of the multi-story building ventilation and fire spread prevention system of the present invention.

The present invention relates to a ventilation and fire spread prevention system for a multi-story building. In a multi-story building equipped with emergency stairs, corridors, and indoor spaces, a ventilation fan is installed in the emergency stairs and corridors to form a pressure difference when a fire breaks out, thereby preventing the spread of the fire. In addition, a sirocco fan equipped with a filter is installed in the indoor space, thereby having the advantage of allowing purified outside air to be introduced into the indoor space.

FIG. 1 is a drawing showing a ventilation and fire spread prevention system of a multi-story building according to an embodiment of the present invention.
FIG. 2 is a drawing showing air flow when a fire occurs in an indoor space according to an embodiment of the present invention.
FIG. 3 is a drawing showing a first ventilator and a third ventilator installed in an emergency stairway window or a hallway window according to an embodiment of the present invention.
FIG. 4 is a drawing showing a second ventilator according to one embodiment of the present invention.
FIG. 5 is a drawing showing a second ventilator according to another embodiment of the present invention.
FIG. 6 is a drawing showing a rubber plate and a sirocco fan mounted on a socket according to an embodiment of the present invention.
FIG. 7 is a drawing showing an air purification filter mounted on the other side of a spiral pipe according to an embodiment of the present invention.
FIGS. 8 and 9 are drawings showing an embodiment of the present invention in which a socket equipped with an ultraviolet lamp is coupled to a spiral pipe to install an ultraviolet lamp inside an air purification filter.

This specification clarifies the scope of the present invention and explains the principles of the present invention and discloses embodiments so that a person having ordinary skill in the art to which the present invention pertains can practice the present invention. The disclosed embodiments can be implemented in various forms.

Expressions such as "includes" or "may include", which may be used in various embodiments of the present invention, indicate the presence of the disclosed corresponding function, operation or component, etc., and do not limit one or more additional functions, operations or components, etc. In addition, it should be understood that in various embodiments of the present invention, terms such as "includes" or "has" are intended to specify the presence of a feature, number, step, operation, component, part or a combination thereof described in the specification, but do not exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

When it is said that a component is "connected, coupled" to another component, it should be understood that said component may be directly connected or coupled to said other component, but that there may also be other new components between said component and said other component. On the other hand, when it is said that a component is "directly connected" or "directly coupled" to another component, it should be understood that no other new components exist between said component and said other component.

The terms first, second, etc. used in this specification may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

The present invention relates to a ventilation and fire spread prevention system for a multi-story building, wherein in a multi-story building equipped with emergency stairs, corridors, and indoor spaces, a ventilation fan is installed in the emergency stairs and corridors to form a pressure difference when a fire breaks out, thereby preventing the spread of the fire, and a sirocco fan equipped with a filter is installed in the indoor space, thereby allowing purified outside air to be introduced into the indoor space.

The multi-story building according to the embodiment of the present invention may be a high-rise building. Generally, buildings above 50 floors are classified as super high-rise apartments, so it is mandatory to install a shelter in case of fire. Accordingly, in order to prevent an increase in construction costs, there are many cases of building up to 49 floors.

A multi-story building according to an embodiment of the present invention may be a high-rise building or an apartment building of 49 floors or less. However, it is not limited thereto, and a multi-story building according to an embodiment of the present invention may be 49 floors or more. Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

Referring to FIGS. 1 and 2, a ventilation and fire spread prevention system for a multi-story building according to an embodiment of the present invention includes a multi-story building (110), a first ventilation fan (121), and a second ventilation fan (140).

The above multi-story building (110) is equipped with an emergency staircase (120) and an indoor space (130). The above multi-story building (110) may be a high-rise building or an apartment building, and the above multi-story building (110) is equipped with an emergency staircase (120).

The above emergency stairs (120) are installed on each floor, and each floor of the multi-story building (110) can be connected through the emergency stairs (120). The indoor space (130) can be a place where people reside, and the indoor space (130) can be the inside of an apartment or an office space. In addition, the indoor space (130) can include a living room and a bedroom.

The first ventilation fan (121) is installed on the emergency staircase (120), and the first ventilation fan (121) can introduce outside air into the inside of the emergency staircase (120). Referring to Fig. 3, the first ventilation fan (121) can be installed on a window (122) provided on the emergency staircase (120).

The above first ventilator (121) may be a blade-folding ventilator, and the first ventilator (121) is installed in the window (122) so that wind can enter the inside of the emergency staircase (120) through the first ventilator (121).

Specifically, after making a wooden frame for the window (122), the first ventilator (121) can be installed in the frame. After making a wooden frame for the window (122), the glass is removed, and an iron plate with the same size as the glass is cut. Thereafter, the iron plate is attached to the frame, and the first ventilator (121) is installed in the iron plate.

A plurality of the first ventilators (121) may be installed in the above window (122), and two of the first ventilators (121) may be installed in the above window (122). More specifically, a plurality of the first ventilators (121) may be installed on each floor of the emergency staircase (120), and two of them may be installed on each floor.

Referring to FIGS. 1 and 2, when a fire occurs in the indoor space (130) of the multi-story building (110), the first ventilation fan (121) can be operated. When the first ventilation fan (121) is operated, a differential pressure is formed by the outside air flowing in through the first ventilation fan (121), thereby preventing the fire in the indoor space (130) from spreading to the emergency stairs (120). Specifically, the fire in the indoor space (130) can be prevented from spreading to the emergency stairs (120) by the force (differential pressure) of the outside air flowing in through the first ventilation fan (121).

According to one embodiment of the present invention, when the multi-story building (110) consists of 49 floors, the multi-story building (110) may be equipped with 98 first ventilators (121), 2 for each floor.

Referring to Fig. 2, when a fire occurs in the indoor space (130) of the multi-story building (110), by operating 98 first ventilators (121), the fire occurring in the indoor space (130) can be prevented from spreading as a differential pressure is formed through the 98 first ventilators (121). At this time, the electrical wiring can be designed so that the 98 first ventilators (121) operate simultaneously.

An embodiment of the present invention received a test report from the Korea Conformity Laboratories (KCL). Specifically, a test was conducted on a building of about 35 pyeong using a ventilation fan with a power consumption of 45 W, and it was confirmed that a pressure difference of 28 Pa was generated.

In the case of a 49-story building, since two of the first ventilators (121) can be installed on each floor, 98 of the first ventilators (121) can be installed in the 49-story building. Since the power consumption of the first ventilators (121) is 45W, operating 98 of the first ventilators (121) consumes 4,410W (approximately 4.5kW) of power.

When the first ventilator (121) is installed two times on each floor and operated with a power consumption of about 4.5 kW, the indoor air quality can be improved pleasantly while saving energy by operating the first ventilator (121) for 15 minutes and stopping it for 45 minutes using a time switch.

Referring to FIGS. 1 and 2, the multi-story building (110) according to the embodiment of the present invention further includes a corridor (150) and an elevator passage (160) in which an elevator (161) is installed.

The above corridor (150) may be a space provided in front of the elevator (161) for using the elevator (161), and the above corridor (150) may be an entrance hall. According to an embodiment of the present invention, a third ventilation fan (151) that introduces outside air into the inside of the corridor (150) may be installed in the corridor (150).

The above corridor (150) may be equipped with a window (122), and the third ventilator (151) may be a blade-folding ventilator. The third ventilator (151) is installed in the window (122) so that wind can enter the inside of the corridor (150) through the third ventilator (151).

Specifically, after making a wooden frame for the window (122), the third ventilator (151) can be installed in the frame. After making a wooden frame for the window (122), the glass is removed, and an iron plate with the same size as the glass is cut. Thereafter, the iron plate is attached to the frame, and the third ventilator (151) is installed in the iron plate.

A plurality of third ventilators (151) may be installed in the above window (122), and two third ventilators (151) may be installed in the above window (122). More specifically, a plurality of third ventilators (151) may be installed on each floor of the corridor (150), and two may be installed on each floor.

Referring to FIGS. 1 and 2, when a fire occurs in the indoor space (130) of the multi-story building (110), the third ventilation fan (151) can be operated. When the third ventilation fan (151) is operated, the fire in the indoor space (130) can be prevented from spreading to the corridor (150) by forming a differential pressure with the outside air flowing in through the third ventilation fan (151). Specifically, the fire in the indoor space (130) can be prevented from spreading to the corridor (150) by the force (differential pressure) of the outside air flowing in through the third ventilation fan (151).

According to one embodiment of the present invention, when the multi-story building (110) consists of 49 floors, the multi-story building (110) may be equipped with 98 third ventilators (151), 2 for each floor.

Referring to Fig. 2, when a fire occurs in the indoor space (130) of the multi-story building (110), by operating 98 third ventilators (151), the fire occurring in the indoor space (130) can be prevented from spreading as a differential pressure is formed through the 98 third ventilators (151). At this time, the electrical wiring can be designed so that the 98 third ventilators (151) operate simultaneously.

According to an embodiment of the present invention, a 49-story apartment may be designed so that two households reside on one floor. At this time, if two third ventilators (151) are installed in the windows (122) of the corridor (150) of the first household, four third ventilators (151) may be installed on one floor because two households reside on one floor. Since four third ventilators (151) are installed on one floor, 196 third ventilators (151) may be installed in the 49-story building.

In a 49-story building, the number of third ventilation fans (151) installed in the corridor (150) may be 196, and the number of first ventilation fans (121) installed in the emergency staircase (120) may be 98. The total number of first ventilation fans (121) and third ventilation fans (151) may be 294 (196 + 98), and when a fire occurs in the building, 294 ventilation fans (the first ventilation fan (121) and the third ventilation fan (151)) may be operated simultaneously.

Since the power consumption of one ventilator is 45W, operating 294 ventilators can consume 13,230W (approximately 14kW) of power. In other words, in the case of a 49-story apartment, 294 ventilators can be operated with a power consumption of approximately 14kW to form a differential pressure of 20 to 28Pa, which can prevent a fire.

The above elevator passage (160) is a passage through which the elevator (161) can move. An elevator door gap may be provided on each floor of the multi-story building (110), and outside air may be supplied to the inside of the multi-story building (110) through the elevator door gap.

An air exhaust passage (162) may be provided at the lowest part of the elevator passage (160). The air exhaust passage (162) is connected to the elevator passage (160) and communicates with the outside. By providing the air exhaust passage (162) at the lowest part of the elevator passage (160), the air flow can normally be directed from above (the top) to below (the bottom).

Specifically, when a fire occurs in the indoor space (130) of the multi-story building (110), the third ventilation fan (151) is activated. At this time, outside air is introduced into the elevator passageway (160), and the outside air introduced into the elevator passageway (160) is introduced into the hallway (150) through the gap in the elevator door, thereby forming a differential pressure.

In this way, the ventilation and fire spread prevention system of a multi-story building according to an embodiment of the present invention can form a differential pressure in the event of a fire through the first ventilation fan (121) installed in the emergency staircase (120), the third ventilation fan (151) installed in the hallway (150), the elevator passageway (160), and the gap in the elevator door, thereby preventing the fire from spreading.

The second ventilator (140) is installed in the indoor space (130) and causes outside air to flow into the inside of the indoor space (130). The indoor space (130) may include a living room, a balcony, or a veranda, and outside air may flow into the living room of the indoor space (130) through the second ventilator (140).

Referring to FIGS. 4 and 5, the second ventilator (140) may be installed on a balcony or veranda (131), and the second ventilator (140) according to an embodiment of the present invention may be equipped with an air purification filter (142) and a sirocco fan (141). The sirocco fan (141) may be a multi-blade blower that blows air by means of a plurality of blades facing forward.

The above second ventilator (140) may be a ventilation facility, and the above second ventilator (140) may purify outside air and introduce it into the indoor space (130).

Referring to Fig. 6, a rubber plate (143) for installing the sirocco fan (141) may be provided inside the second ventilator (140). Specifically, the second ventilator (140) includes a socket (144) in which the sirocco fan (141) is mounted, and the rubber plate (143) and the sirocco fan (141) may be mounted inside the socket (144).

The above rubber plate (143) is intended to reduce vibration and noise of the sirocco fan (141). After the rubber plate (143) and the sirocco fan (141) are mounted on the socket (144), the rubber plate (143) and the sirocco fan (141) can be fixed to the socket (144) using nails, rivets, or the like.

Referring to FIGS. 5 and 7, the second ventilator (140) further includes a spiral pipe (145) in which the socket (144) and the air purification filter (142) are mounted. The socket (144) equipped with the rubber plate (143) and the sirocco fan (141) may be mounted on one side of the spiral pipe (145), and the air purification filter (142) may be mounted on the other side of the spiral pipe (145).

Specifically, the socket (144) can be mounted inside the spiral pipe (145) and the socket (144) can be fixed using a screw. A stand (142a) or the like for mounting the air purification filter (142) can be provided inside the spiral pipe (145), and the air purification filter (142) can be fixed inside the spiral pipe (145) using the stand (142a) and the screw.

According to an embodiment of the present invention, a corrugated pipe (146) may be provided on one side or the other side of the second ventilator (140). Referring to FIG. 5, the corrugated pipe (146) may be provided on one side of the spiral pipe (145) on which the socket (144) is mounted, and the corrugated pipe (146) may be connected to the discharge portion of the sirocco fan (141) provided on one side of the spiral pipe (145).

The above-mentioned corrugated pipe (146) is connected to the interior space of the indoor space (130), and outside air can be supplied to the interior of the indoor space (130) through the above-mentioned corrugated pipe (146).

Referring to FIG. 4, the other side of the spiral pipe (145) may be equipped with the air purification filter (142), and the spiral pipe (145) may be equipped with an outside air pipe (148) that connects the air purification filter (142) and a wire mesh (149) that absorbs outside air.

The above air purification filter (142) may be a filter capable of purifying air, and outside air passing through the wire mesh (149) and the outside air pipe (148) may be purified while passing through the air purification filter (142).

In addition, a corrugated pipe (146) may be provided on the other side of the spiral pipe (145) as needed. The corrugated pipe (146) provided on the other side of the spiral pipe (145) may connect the air purification filter (142) and the outside air pipe (148).

Referring to FIGS. 8 and 9, an ultraviolet lamp (147) may be provided inside the second ventilator (140). The ultraviolet lamp (147) can apply ultraviolet rays to the air purification filter (142). By applying ultraviolet rays to the air purification filter (142) through the ultraviolet lamp (147), the air purification filter (142) can be sterilized.

According to an embodiment of the present invention, the ultraviolet lamp (147) may be provided inside the air purification filter (142). Specifically, as shown in FIGS. 8 and 9, the air purification filter (142) is provided on the other side of the spiral pipe (145), and when a connecting socket (147a) equipped with the ultraviolet lamp (147) is connected to the other side of the spiral pipe (145), the ultraviolet lamp (147) may be provided inside the air purification filter (142).

According to an embodiment of the present invention, the second ventilator (140) can be fixed to the ceiling via a fixing device (170). Referring to FIG. 4, the fixing device (170) is formed in a ring shape and is fixed to the ceiling, and the fixing device (170) can be connected to the spiral pipe (145) and the ceiling.

According to an embodiment of the present invention, the indoor space (130) may further include an entrance door, and a gap space may be provided between the entrance door and the floor. The entrance door may be an entrance door of a room provided in the indoor space (130).

When outside air is supplied to the indoor space (130) through the second ventilator (140), the air pressure in the indoor space increases. The gap space provided between the door and the floor can become a passage through which air can move when air moves due to the differential pressure that occurs as the air pressure in the indoor space (130) increases.

By providing the gap space between the door and the floor in this way, supply and exhaust air can be performed by moving air by differential pressure without a separate air movement pipe.

According to an embodiment of the present invention, the height of the gap space is preferably 40 to 60 mm, and more preferably 50 mm. In addition, a door gusset can be combined in the gap space, and air moving under the door gusset can be supplied to another space. By supplying air under the door gusset, air supply and exhaust can be performed while moving air by air pressure difference without a separate air movement pipe.

The outside air supplied to the indoor space (130) through the second ventilator (140) can pass through the gap of the door and then be discharged to the outside through the gap between the wheels and nets provided under the windows of each room.

Here, if the windows of each room are opened by about 10 mm, ventilation can be improved. Also, if the doors leading from the living room to each room are opened, through which air is drawn in through the second ventilator (140), ventilation can be improved.

In addition, the air that flows into the living room through the second ventilator (140) can be discharged through the windows of each room, the gap of the exhaust fan installed in the kitchen, the gap of the bathroom fan installed on the ceiling of the bathroom, etc.

Fig. 4 is an example of installation of the second ventilator (140) according to one embodiment of the present invention. Referring to Fig. 4, in order to install the second ventilator (140) in a building such as a classroom, a hole can be drilled in the outer wall of the classroom and the outdoor air pipe (148) and the wire mesh (149) can be inserted.

A corrugated pipe (146) can be connected to the above-mentioned outdoor pipe (148), and the corrugated pipe (146) can be connected to the above-mentioned spiral pipe (145). The above-mentioned spiral pipe (145) can be fixed to the ceiling through the above-mentioned fixing device (170).

Here, it is preferable that the hole installed in the outer wall of the classroom be lower than the position where the spiral pipe (145) is installed. Only when the hole installed in the outer wall of the classroom is lower than the position where the spiral pipe (145) is installed, can rainwater be prevented from flowing into the sirocco fan (141) provided on the inside of the spiral pipe (145).

Fig. 5 is an example of installation of the second ventilator (140) according to another embodiment of the present invention. Referring to Fig. 5, the second ventilator (140) can be installed on a veranda or balcony of a high-rise building.

Specifically, the spiral pipe (145) is installed on the ceiling of a veranda or balcony of a high-rise building, and air from the veranda or balcony is sucked in through the second ventilator (140) and injected into the living room. In this method, it is preferable to open the outer window by only about 10 mm to allow outside air to enter the veranda or balcony.

In addition, even if the window is closed in winter, outside air can be sucked in through the gap between the wheel and the net of the window and the gap of the outer window. However, to improve efficiency, it is desirable to open the window about 10 mm. If the fresh outside air is purified by the air purification filter (142) and injected into the living room, ventilation can be achieved without piping.

The air that is injected into the living room can enter the gaps under the doors leading from the living room to each room, and push out harmful substances that are heavier than the air that spreads across the floor through the gaps in the windows of each room.

Additionally, the air being injected into the living room can be exhausted by pushing the air out through the gap in the exhaust fan installed in the kitchen, and if the bathroom door is open, the air can be exhausted by pushing the air out through the gap in the exhaust fan installed in the ceiling of the video room.

At this time, even if the bathroom door is open, the force (differential pressure) of air supplied through the second ventilation fan (140) can prevent bathroom odors, sewer odors, etc. from entering the living room, and even if the bathroom fan is not operated, the force (differential pressure) of air supplied through the second ventilation fan (140) can be used to push air through the gap of the bathroom fan, thereby improving indoor air quality.

The ventilation and fire spread prevention system of a multi-story building according to an embodiment of the present invention can form a pressure difference between the indoor space (130) and the external space by installing the second ventilator (140) in the indoor space (130), thereby preventing the spread of fire.

Specifically, by injecting outside air into the indoor space (130) through the second ventilator (140), air can be discharged from the indoor space (130) toward the outside. When a fire occurs outside the indoor space (130), the outside fire can be prevented from spreading to the indoor space (130) by discharging air from the indoor space (130) toward the outside.

The ventilation and fire spread prevention system for a multi-story building according to the embodiment of the present invention described above has the following effects.

A ventilation and fire spread prevention system for a multi-story building according to an embodiment of the present invention can prevent the spread of fire by forming a pressure difference in the event of a fire by installing a ventilator in the emergency staircase and the corridor of a multi-story building equipped with an emergency staircase, a corridor, and an indoor space, and can introduce purified outside air into the indoor space by installing a sirocco fan equipped with a filter in the indoor space.

The ventilation and fire spread prevention system of a multi-story building according to an embodiment of the present invention has the advantage of being able to prevent the spread of fire by forming a differential pressure when a fire occurs through a first ventilation fan installed in an emergency staircase and a third ventilation fan installed in a hallway.

In addition, the ventilation and fire spread prevention system of a multi-story building according to an embodiment of the present invention is installed in an indoor space, and has the effect of improving indoor air quality through a second ventilator equipped with a sirocco fan, and has the advantage of being able to block fire by forming a differential pressure through the second ventilator.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and variations of embodiments are possible from this. Therefore, the true technical protection scope of the present invention should be determined by the technical idea of the appended patent claims.

110...Multi-story building 120...Emergency stairs
121...1st ventilator 122...window
130...Indoor space 140...Second ventilator
141...Sirocco Fan 142...Air Purification Filter
142a...base 143...rubber plate
144...Socket 145...Spiral Piping
146...Wrinkle tube 147...UV lamp
147a...connecting socket 148...outdoor piping
149...Barbed wire 150...Corridor
151...3rd ventilation fan 160...Elevator corridor
161... Elevator 162... Air exhaust passage
170...Fixed Device

Claims (9)

In a system for ventilating a multi-story building and preventing the spread of fire,
Multi-story building with emergency stairs and indoor space;
A first ventilation fan installed on the above emergency staircase and allowing outside air to flow into the inside of the above emergency staircase;
A second ventilation fan is installed in the above indoor space and introduces outside air into the inside of the above indoor space;
The above multi-story building further includes an elevator shaft and a corridor in which an elevator is installed,
In the above hallway, a third ventilation fan is installed to bring outside air into the inside of the hallway.
The above first ventilation fan is installed in multiple units on each floor of the emergency staircase.
The above third ventilator is installed in multiple units on each floor of the above hallway.
The above corridor is a space provided in front of the elevator for use by the elevator.
The above indoor space further includes an entrance door,
There is a gap between the above door and the floor.
The above second ventilator is equipped with an air purification filter and a Sirocco fan.
A ventilation and fire spread prevention system for a multi-story building, characterized in that the first and third ventilators are installed in multiple numbers, and the first and third ventilators installed on each floor are operated when a fire occurs. delete delete delete delete delete In the first paragraph,
A ventilation and fire spread prevention system for a multi-story building, characterized in that a corrugated pipe is provided on one or the other side of the second ventilator. In the first paragraph,
A ventilation and fire spread prevention system for a multi-story building, characterized in that an ultraviolet lamp is provided inside the second ventilator. In the first paragraph,
A ventilation and fire spread prevention system for a multi-story building, characterized in that a rubber plate for installing the sirocco fan is provided inside the second ventilator.

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