KR102570624B1 - Air Wash apparatus - Google Patents

Abstract

The air wash device according to the present embodiment includes a first air module for spraying air for curtains that divides the space inside the house into an indoor space and an entrance space, and a shower for a user entering the entrance space in the entrance space. A second air module that sprays air to shake off foreign substances remaining on clothes, a suction module that sucks foreign substances removed by the shower air in the entrance space, and a user who enters the entrance space It may include a sensing unit that detects whether or not the door is opened and closed, and a control unit that controls the first air module, the second air module, and the suction module based on the information sensed by the sensing unit. .
According to the present invention, it is possible to shake off all the foreign matter attached to clothes in the outdoor space from the entrance space. In addition, it is possible to remove all foreign substances remaining in the entrance space by sucking in the suction module the foreign matter that is shaken off by the shower air in the entrance space. In addition, after the operation of the shower air and the suction module is stopped, the operation of the curtain air is stopped to prevent foreign matter from being introduced into the indoor space as much as possible.

Description

Air wash apparatus {Air Wash apparatus}

The present invention relates to an air wash device.

In general, when entering and exiting the front door installed in multi-family houses such as apartments and officetels as well as single-family houses, they entered and exited without any sanitary concept.

In particular, when returning home after going out and entering the room, various harmful foreign substances such as various pathogens and chemicals, as well as fine dust from the outside, are attached to clothes, shoes, hands and feet, and enter the room through the front door.

Therefore, since no device capable of removing harmful foreign substances attached to clothes or limbs is installed in the entrance hall, when returning home from outing, people enter the room without removing harmful foreign substances attached to clothes or limbs.

In this way, harmful foreign substances attached to clothes or limbs and introduced into the room contaminate the room, and even cause hygiene problems such as being infected with pathogens and getting sick.

For example, looking at Japanese Unexamined Patent Publication No. 2010-242993, “An air wash device for insect repellent and dust prevention,” an air wash device for shaking off larvae or dust flowing into an indoor space from an external space is disclosed.

According to the prior art mentioned above, larvae or dust can be shaken to the outside, but in the case of an enclosed entrance space, the larvae or dust circulates inside the entrance space and is inhaled into the user's respiratory system, harming the user's health. Harm problems can arise.

In addition, a separate method for operating the air wash device is not proposed so that larvae or dust shaken off in the enclosed entrance space do not flow into the user's respiratory tract and do not flow into the indoor space.

Japanese Unexamined Patent Publication No. 2010-242993, “Air wash device for insecticide and dustproof”

The present invention can provide an air wash device capable of shaking foreign substances attached to clothes from an entrance space in order to prevent foreign substances attached to clothes from an outdoor space from entering an indoor space.

The present invention can provide an air wash device capable of preventing foreign substances shaken off by air in the entrance space from being inhaled into the user's respiratory tract.

The present invention may propose a method for gradually removing foreign matter remaining on the user's clothing while the user enters and exits the outdoor space to the indoor space.

The air wash device according to the present invention includes a first air module for spraying air for curtains to separate the indoor space and the entrance space, so that air in the entrance space can be prevented from entering the interior space.

In addition, a second air module disposed in the entrance space and spraying air for a shower toward the user may be included, so that foreign substances remaining on the user's clothing may be removed.

In addition, a suction module disposed in the entrance space and sucking in foreign matters shaken off by the shower air may be included to suck in foreign matters scattered on the entrance space.

In addition, a detection unit capable of determining whether a door that selectively opens and closes the entrance space and the indoor space is open or whether a user enters or exits the entrance space is included, and detects whether the door is open and the user's location. can do.

In addition, a control unit for controlling the first and second air modules and the suction module based on whether the door is opened and whether or not the user has opened, which is detected by the detector, can be included to actively respond to dynamically changing situations.

In addition, when the door is opened, the first air module operates prior to the second air module, thereby preventing air from the outdoor space from rapidly flowing into the indoor space by opening the door.

In addition, the air volume of the curtain air is blown at a greater air volume than the air volume blown from the shower air, or is blown at a volume corresponding to the shower air, so that foreign substances brushed off from clothes by the shower air are blown out of the shower air. It is possible to prevent the inflow into the indoor space by passing through.

In addition, the suction module sucks a wind direction corresponding to the air volume sprayed from the shower air or sucks a wind volume greater than the air volume of the shower air, so that foreign substances scattered in the entrance space can be quickly removed.

In addition, the suction module may be turned off later than the shower air, and the operation may be terminated after removing all foreign substances scattered in the entrance space by the shower air.

According to the present invention, it is possible to remove all foreign matter attached to clothes in the outdoor space from the front door space, so that a clean indoor space can be maintained.

According to the present invention, by providing a suction module for sucking in foreign substances that have been blown into the entrance space by shower air, it is possible to quickly remove foreign substances that can be sucked into the user's respiratory system.

According to the present invention, by spraying air for curtains in priority over air for shower, it is possible to block foreign matter scattered from the inside of the entrance space from entering the indoor space.

According to the present invention, a clean entrance space can be maintained by sucking foreign matter previously present in the entrance space through the suction module, in addition to the foreign matter removed by the shower air.

According to the present invention, by detecting whether the door is opened or not and whether the user enters or exits by the sensor unit, it is possible to actively respond to the situation of the door and the entrance space that changes flexibly.

According to the present invention, after the operation of the suction module and the second air module for spraying shower air are turned off, by turning off the operation of the curtain air, foreign substances that have not yet been removed from the entrance space are introduced into the indoor space. can prevent

1 is a view showing an air wash device according to an embodiment.
Figure 2 is an operation diagram showing the operation of the air wash device according to the present embodiment.
3 is a view showing the configuration of an air wash device according to an embodiment of the present invention.
Figure 4 is a block diagram showing the control configuration of the air wash device according to an embodiment of the present invention.
5 to 7 are operational diagrams showing the operation of the air wash device according to an embodiment of the present invention.

Hereinafter, the air wash device according to the present embodiment will be described in detail based on the drawings.

1 is a view showing an air wash device according to an embodiment.

Referring to FIG. 1 , an air wash device 100 according to the present invention may include a first air module 110, a second air module 120, and a suction module 130. The air wash device 100 may be disposed in the entrance space S2.

The entrance space S2 may be disposed between the indoor space S1 of the house and the outdoor space S3 of the house. In the entrance space (S2), the user can take an action such as taking off shoes or putting them on. The entrance space S2 and the indoor space S1 may be selectively communicated with each other through the door 10 . For example, when the door 10 is closed, the entrance space S2 may be partitioned from the outdoor space S3.

The front door space S2 is an entry and exit space of the house, and when a user with foreign substances attached thereto enters and exits through the door 10 from the outdoor space S3, the foreign substances and the like may flow in. At this time, the foreign matter may include fine dust, heavy metals, and the like that harm the user's health.

Therefore, the air wash device 100 for removing the foreign matter from a user entering or exiting the indoor space S1 from the outdoor space S3 may be disposed in the entrance space S2.

In the air wash device 100, the first air module 110 for spraying air, the second air module 120, and the suction module 130 for sucking air are installed inside one housing. However, it is not limited thereto.

The first air module 110 and the second air module 120 suck indoor air or outdoor air and spray air to a person located in the front door, and an air blowing device (not shown) and It may include at least one of air intake devices (not shown).

The suction module 130 sucks in the air injected from at least one of the first air module 110 and the second air module 120, and the first air module 110 and the second air module (120) can be supplied to at least one or more. In addition, the suction module 130 may further include a filter, a sterilizer, and the like for filtering out foreign substances from the sucked air.

The first air module 110 may be installed on an upper surface of the entrance space S2 adjacent to the indoor space S1. The first air module 110 may divide the entrance space S2 and the indoor space S1 by spraying air. At this time, the air ejected from the first air module 110 may be referred to as curtain air. Inflow of foreign substances such as the entrance space S2 and the outdoor space S3 into the indoor space S1 can be prevented by the curtain air sprayed from the first air module 110 .

The second air module 120 may be disposed on the upper surface of the entrance space S2 between the first air module 110 and the door 10 . The second air module 120 may spray air to shake off foreign substances attached to the clothing of the user entering or exiting the entrance space S2. At this time, the air sprayed from the second air module 120 may be referred to as shower air. The shower air sprayed from the second air module 120 can shake off foreign substances attached to the user entering or exiting the entrance space S2.

The suction module 130 may be installed on an upper surface of the entrance space S2 adjacent to the outdoor space S3. Alternatively, the suction module 130 may be disposed between the second air module 120 and the door 10 . The suction module 130 can suck in foreign substances shaken off from the user by the second air module 120 .

The first air module 110, the second air module 120, and the suction module 130 may be controlled by a control module. Also, the volume of air injected from each of the first air module 110 and the second air module 120 may be controlled by the control module.

Although the second air module 120 is described as being installed on the upper surface of the front door between the first air module 110 and the suction module 130, the first air module 110 and the second air module 110 It will also be possible for the module 120 and the suction module 130 to be spaced apart from each other and configured in separate housings. It is not limited to these ideas.

However, the first air module 110 may be disposed in the entrance space S2 closer to the indoor space S1 than the second air module 120 and the suction module 130 . According to this, the first air module 110 can prevent the foreign matter, etc., shaken off by the second air module 120 from the entrance space S2 from entering the indoor space S1. am.

Meanwhile, the door 10 partitioning the entrance space S2 and the outdoor space S3 may be provided in a manner of rotating by a hinge or moving by sliding. The door 10 may be installed on the door post 20 . The door post 20 may be understood as a structure for fixing the door 10 .

2 is an operation diagram showing the operation of the air wash device according to the present embodiment.

Referring to FIG. 2 , the air wash device 100 according to the present embodiment may start operating when a user enters or exits the entrance space S2.

For example, the user may open the door 10 in the outdoor space S3 and enter the entrance space S2. When it is confirmed that the user opens the door 10 or the user enters the entrance space S2, the air wash device 100 may operate. Alternatively, when the user enters the entrance space S2 and closes the door 10, the air wash device 100 may operate. It is not limited to these ideas.

When the air wash device 100 operates, the first air module 110 may operate preferentially. When the first air module 110 operates, it is possible to spray shower air that divides the indoor space S1 and the entrance space S2. When the first air module 110 operates, the second air module 120 and the suction module 130 may operate.

The second air module 120 may spray shower air toward a user entering the entrance space S2. Air sprayed from the second air module 120 can shake off foreign substances attached to the user's clothing. At this time, the second air module 120 may flow air from the user's head to the feet in the vertical direction. That is, the air ejected from the second air module 120 flows in a vertical direction and can shake off foreign substances attached to the user.

Air sprayed from the second air module 120 may be sprayed at a wind volume of a certain strength or higher to shake off foreign substances attached to the user's clothing. At this time, the spraying direction of the air sprayed from the second air module 120 may be restricted so that it is not sprayed toward the first air module 110 . In other words, when the air blown from the second air module 120 is blown toward the air blown from the first air module 110, foreign substances scattered inside the entrance space S2 are removed from the first air module 110. A problem of flowing into the indoor space S1 through the air module 110 may occur. Accordingly, the flow of air injected from the second air module 120 toward the first air module 110 may be restricted.

Foreign substances shaken off from the second air module 120 may scatter inside the entrance space S2. Scattered foreign substances may be sucked in by the suction module 130 .

The suction module 130 may operate simultaneously with the second air module 120 . In addition, the suction module 130 can suck in scattered foreign substances with a suction power greater than the air volume of the second air module 120 .

The suction module 130 may further include a filter and a sterilization module that filter out foreign substances scattered in the entrance space S2, and purify the air containing the foreign substances. The purified air may be delivered to the first air module 110 and the second air module 120 . The delivered air may be injected again through the first air module 110 and the second air module 120 .

That is, even if the user enters the house while wearing clothes with foreign matter attached thereto from the outdoor space S3, foreign matter, etc. can be removed from the front door space S2 by the air wash device 100. .

When the user enters the indoor space S1 in a state in which foreign substances are removed by the air wash device 100, a clean indoor space can be formed. In addition, since the air wash device 100 is operated in the entrance space S2 where the door 10 is closed, it is possible to prevent foreign substances that may additionally flow in from the outdoor space S3.

3 is a view showing the configuration of an air wash device according to an embodiment of the present invention.

Referring to FIG. 3, in the air wash device 100 according to this embodiment, a plurality of modules may be disposed inside one housing, and each of the plurality of modules may be separated to form the air wash device 100. can Although not limited to this idea, in this embodiment, it will be described that a plurality of modules are separately provided.

The air wash device 100 may include a first air module 110, a second air module 120, and a suction module 130. The air wash device 100 may be disposed on the upper surface of the entrance space S2. In addition, it may be provided on the side surface and the bottom surface other than the upper surface of the entrance space (S2) of the air wash device 100. It is not limited to these ideas.

The first air module 110 includes a first inlet 111 through which air can flow into the first air module 110, and the air sucked from the first inlet 111 is passed into the front door space ( A first outlet 112 for discharging to S2) and a first blowing fan 113 for generating air flowing from the first inlet 111 to the first outlet 112 may be included. And, a motor for rotating the first blowing fan 113 may be further included.

The second air module 120 includes a second inlet 121 through which air can flow into the second air module 120, and the air sucked from the second inlet 121 is passed into the front door space ( A second outlet 122 for discharging to S2) and a second blowing fan 123 for generating air flowing from the second inlet 121 to the second outlet 122 may be included. And, a motor for rotating the second blowing fan 123 may be further included. In addition, a guide part 124 capable of adjusting a flow direction of air discharged into the vestibule space S2 may be provided in the second outlet 122 .

The suction module 130 includes a third suction port 131 for sucking air containing foreign substances from the entrance space S2 into the suction module 130, and the suctioned air from the third suction port 131 A third outlet 132 for discharging air to the outside of the suction module 130, and a third blowing fan 133 for generating air flowing from the third inlet 131 to the third outlet 132 this may be included. And, a motor for rotating the third blowing fan 133 may be further included.

The first air module 110 may suck air from the indoor space S1 or the entrance space S2 through the first intake port 111 . In addition, the sucked air may be discharged through the first discharge port 112 . Accordingly, the first air module 110 can operate using air in the indoor space S1 or the entrance space S2. Preferably, the first inlet 111 may be disposed to face the indoor space S1 so as to suck air in the indoor space S1. Without being limited by this thought, the first inlet 111 may be disposed on all surfaces of the first air module 110 .

The second air module 120 may suck air from the indoor space S1 or the entrance space S2 through the second intake port 121 . In addition, the sucked air may be discharged through the second outlet 122 . Therefore, the second air module 120 can operate using air in the indoor space S1 or the entrance space S2. Preferably, the second air module 120 is disposed on the entrance space S2 partitioned from the indoor space S1 by the first air module 110, so that air in the entrance space S2 can be used. can Accordingly, the second inlet 121 may be disposed toward the entrance space S2 so as to suck in the air of the entrance space S2. Without being limited to this idea, the second inlet 121 may be disposed on all surfaces of the second air module 120 .

Air used in the first air module 110 and the second air module 120 may be supplied from the outside through a separate duct in addition to the air in the indoor space S1 or the entrance space S2.

The suction module 130 may suck air in the entrance space S2 through the third suction port 131 . The third suction port 131 may be provided on all surfaces of the suction module 130 . In addition, the third suction port 131 may be provided on at least one surface of the suction module 130 . The air sucked through the third suction port 131 may be discharged through the third discharge port 132 .

In this case, the second inlet 121 of the second air module 120 and the third outlet 132 of the suction module 130 may face each other. Also, the second inlet 121 and the third outlet 132 may communicate with each other. That is, air sucked in from the suction module 130 may be used as the air discharged from the second air module 120 .

With this configuration, an air circulation passage for removing foreign matter or the like from the inside of the limited entrance space S2 may be formed.

4 is a block diagram showing a control configuration of an air wash device according to an embodiment of the present invention.

Referring to FIG. 4 , the air wash device 100 according to the present embodiment may include a first air module 110, a second air module 120, and a suction module 130. And, the air wash device 100 may further include a detection unit 140 and a control unit 150.

The first air module 110 operates according to the control of the control unit 150, and can spray curtain air (Air_1). The second air module 120 operates under the control of the control unit 150 and can spray shower air (Air_2). The suction module 130 operates under the control of the control unit 150 and may provide suction air (Air_3) for sucking air in the entrance space S2.

The air for curtains (Air_1) may be injected in a direction from the top to the bottom of the entrance space (S2), that is, in a vertical direction. Also, the air volume of the curtain air (Air_1) may correspond to the shower air (Air_2) sprayed from the second air module 120 or may be greater than the air volume of the shower air (Air_2).

The shower air (Air_2) may be sprayed in a vertical direction from the top of the entrance space (S2) to the bottom. Alternatively, the shower air (Air_2) may be sprayed in an inclined manner by the guide part 124 . The air volume of the shower air (Air_2) may be sprayed at a constant air volume capable of shaking off foreign substances remaining on the user's clothes.

The suction air (Air_3) may suck air in the vestibule space (S2) and form air flowing in a direction toward the suction module (130) in the vestibule space (S2). The suction air (Air_3) may suck in an air volume corresponding to that of the shower air (Air_2). In addition, the suction air (Air_3) can suck in a larger air volume than that of the shower air (Air_2). It is not limited to these ideas.

The first air module 110 and the second air module 120 may be turned on and operated at the same time under the control of the controller 150 . Alternatively, the first air module 110 may blow air ahead of the second air module 120 . That is, the curtain air (Air_1) of the first air module 110 may be sprayed with priority over the shower air (Air_2) of the second air module 120.

According to this configuration, the air for the curtain (Air_1) is injected first than the air for the shower (Air_2), or the air volume is greater, so that the shower The air (Air_2) can shake off foreign substances from the user. That is, it is possible to prevent foreign substances from the entrance space S2 from being introduced into the indoor space S1.

The first air module 110 and the second air module 120 may be turned off at the same time under the control of the control unit 150 . Alternatively, the second air module 120 may be turned off prior to the first air module 110 . That is, the shower air (Air_2) may be turned off prior to the curtain air (Air_1).

According to this configuration, since the shower air (Air_2) is turned off prior to the curtain air (Air_1), the foreign substances scattered in the entrance space (S2) are removed from the indoor space by the curtain air (Air_1). Inflow into (S1) can be prevented.

The suction module 130 may be turned on at the same time as the first air module 110 and the second air module 120 under the control of the controller 150 . Alternatively, the first air module 110 and the second air module 120 may be turned on prior to operation. It is not limited to these ideas. However, since the suction module 130 has to suck in the foreign substances shaken off by the shower air (Air_2), it operates at the same time as the shower air (Air_2) or with priority over the shower air (Air_2). , it is desirable to ensure that the brushed-off foreign matter is easily sucked.

Also, the suction module 130 may be turned off at the same time as the first air module 110 and the second air module 120 under the control of the controller 150 . Alternatively, the first air module 110 and the second air module 120 may be turned off with priority. It is not limited to these ideas. However, since foreign substances and the like are scattered in the entrance space S2 by the shower air (Air_2), it is preferable that the suction module 130 be turned off later than the shower air (Air_2).

The sensing unit 140 may recognize whether a user entering or exiting the entrance space S2 or whether the door 10 is open. The sensing unit 140 may be provided as a camera for capturing the front door space S2 or a sensor for checking whether the door 10 is open. The sensing unit 140 may further include an image analysis unit for analyzing an image captured by the camera or a sensor determination unit for determining a sensor value measured through the sensor. It is not limited to these ideas.

The sensing unit 140 may be disposed on the entrance space S2. Also, the sensing unit 140 may be disposed in a direction from the indoor space S1 toward the entrance space S2. In addition, the sensing unit 140 may be directly provided to the door post 20 or the door 10 . It is not limited to these ideas.

When the sensor 140 recognizes whether the user has entered or not and whether the door is open, the sensor 140 can transmit information including whether or not the user has entered and whether the door has been opened to the control unit 150 .

The controller 150 may control the first air module 110, the second air module 120, and the suction module 130 based on information transmitted from the sensor 140. The controller 150 may control the first air module 110 , the second air module 120 , and the suction module 130 respectively. Also, the control unit 150 may operate the first air module 110, the second air module 120, and the suction module 130 for a predetermined time. It is not limited to these ideas.

On the other hand, the air wash device 100 may further include a power supply unit for supplying power to the air wash device 100, a memory unit for storing set information, a communication unit for transmitting and receiving information from the outside, and the like. It is not limited to these ideas.

5 to 7 are operational diagrams showing the operation of the air wash device according to an embodiment of the present invention.

5 illustrates a case where a door is opened by a user.

When the door 10 is in an open state, the sensor 140 may recognize that the door 10 is open and transmit information to the control unit 150 . At this time, the information transmitted to the control unit 150 may include whether the door 10 is open. Also, information including whether the door 10 is opened may be referred to as first information.

When the first information is transmitted to the control unit 150, the control unit 150 may operate the first air module 110 to spray curtain air (Air_1).

That is, when the door 10 is opened, the air for curtains (Air_1) may be operated to prevent air including foreign substances from the outside from flowing into the indoor space (S1). At this time, it may be referred to as an air blocking mode for preventing air from the outdoor space S3 from being introduced into the indoor space S1 when the door 10 is opened.

6 shows a case where a user enters and exits an entrance space and the door is closed.

When the door 10 is closed, the sensor 140 may recognize the closed state of the door 10 and transmit first information to the control unit 150 .

In addition, the sensor 140 may recognize whether a user enters or exits the entrance space S2 and transmits information to the control unit 150 . At this time, the information transmitted to the control unit 150 may include whether or not the user has entered or exited. Further, information including whether or not a user has entered or exited may be referred to as second information.

When the second information is transmitted to the control unit 150, the control unit 150 may operate the second air module 120 to spray shower air (Air_2).

That is, in a state in which the door 10 is closed, the shower air (Air_2) may be sprayed to a user wearing clothes with foreign substances attached from the outside to shake off the foreign substances. At this time, spraying the shower air (Air_2) to remove foreign substances attached to clothes may be referred to as a foreign matter blocking mode.

When the foreign matter blocking mode operates, the second air module 120 can adjust the air volume of the shower air (Air_2). In addition, the discharge pressure of the shower air (Air_2) may be adjusted. In addition, the discharge direction of the shower air (Air_2) can be adjusted.

At this time, the foreign matter blocking mode may operate in a state in which the air blocking mode is operated. That is, in a state where the air blocking mode is activated, the shower air (Air_2) shakes off foreign substances remaining on clothes in the entrance space (S2), thereby preventing foreign substances from entering the indoor space (S1). can block

7 shows a case in which the suction module operates in a closed state of the door.

When the foreign matter blocking mode operates, foreign matter remaining on clothes may be scattered by the shower air (Air_2). At this time, the suction module 130 for sucking foreign substances scattered in the entrance space S2 may operate.

The suction module 130 may be operated by a control signal from the controller 150. The controller 150 may operate the suction module 130 after the foreign matter blocking mode is activated. Alternatively, the control unit 150 may operate after a predetermined time after the foreign matter blocking mode operates. At this time, it may be referred to as a foreign matter removal mode that the suction module 130 sucks air containing foreign matter from the entrance space S2.

That is, the foreign material removal mode may operate together with the foreign material blocking mode. In addition, the foreign matter removal mode may be operated alternately with the foreign matter blocking mode for a predetermined time.

The purpose of the foreign matter removal mode may be to suck in foreign matter scattered from the inside of the entrance space S2. Therefore, the foreign matter removal mode may continue to operate even after the foreign matter blocking mode stops operating.

Meanwhile, the air blocking mode may stop operating after the foreign substance removal mode and the foreign substance blocking mode stop operating. That is, after foreign substances scattered in the entrance space S2 are all removed by the foreign matter removal mode, the operation of the air blocking mode may be stopped. Accordingly, it is possible to provide a clean indoor space S1 to the user by communicating the entrance space S2 and the indoor space S1 from which foreign substances are removed.

S1 Indoor space S2 Entrance space
S3 outdoor space 10 doors
20 Doorpost 100 Air wash device
110 1st air module 120 2nd air module
130 suction module 140 sensing unit
150 control

Claims (11)

a first air module that injects air for curtains that divides the space inside the house into an indoor space and an entrance space, and sucks in air for blowing the air for curtains from the indoor space;
a second air module installed on the upper side of the entrance space and spraying air for a shower to a user entering the entrance space to shake off foreign substances remaining on clothes;
a suction module installed on the upper side of the entrance space adjacent to the outdoor space, sucking in the air in the entrance space and the foreign matter blown off by the shower air, and then supplying the purified air to the second air module;
a detector for detecting whether or not a user entering the entrance space from the outdoor space and whether or not a door is opened or closed; and
a control unit controlling the first air module, the second air module, and the suction module based on information sensed by the sensor;
The second air module is located between the first air module and the suction module, and adjusts the wind direction of the shower air so that the shower air is sprayed in the vertical direction of the user entering the interior of the entrance space. Including a guide,
The guide unit is an air wash device so that the shower air is sprayed in a downward slope in a direction from the upper part of the entrance space to the lower part of the entrance space and the outdoor space. According to claim 1,
When the door is opened, the first air module is turned on prior to the second air module and turned off later than the second air module and the suction module. According to claim 2,
The air for the curtain is sprayed at an air volume corresponding to the shower air or blown at a larger air volume than the shower air. According to claim 1,
The suction module sucks air with an air volume corresponding to the air volume for the shower or air with an air volume greater than the air volume for the shower air. According to claim 4,
The suction module is an air wash device that turns on at the same time as the shower air or turns on prior to the shower air. According to claim 5,
The suction module is an air wash device that operates off later than the shower air. delete According to claim 1,
The control unit controls the air for the curtain when the door is opened to perform an air blocking mode to prevent foreign substances from entering the indoor space. According to claim 8,
In the state in which the air blocking mode is activated, the control unit controls the shower air based on whether the user enters or exits to perform a foreign object blocking mode for removing foreign substances remaining on the user's clothing located in the front door space air washer device. According to claim 9,
The control unit, when the foreign matter blocking mode is operated, the air wash device to perform the foreign matter removal mode by turning on the suction module. According to claim 10,
Wherein the controller, when the foreign matter blocking mode and the foreign matter removal mode are ended, the air washing device ends the air blocking mode.

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