KR102539682B1 - Air wash apparatus - Google Patents

Abstract

In an embodiment, a first spraying device installed at the entrance and spraying air for a first curtain that divides the indoor space and the doorway space, and a second sprayer that sprays air for the second curtain that separates the front door space and the outdoor space. It is formed between the first and second injection devices, and is formed between a third injection device for spraying shower air into the entrance space and between the first and third injection devices or between the second and third injection devices, Provided is an air wash device including a suction device for sucking polluted air containing foreign substances shaken off by the shower air.

Description

Air wash apparatus {Air wash apparatus}

The embodiment relates to an air wash device, and more particularly, to an air wash device for removing foreign substances shaken off from a person located in an entrance space.

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

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

Since there is no device installed in the entrance hall to remove harmful foreign substances attached to clothes or limbs, when returning home from outing, people enter the room without removing harmful foreign substances attached to clothes or limbs. It is attached to the limbs or hands and feet to contaminate the room by harmful foreign substances introduced into the room, and even causes hygiene problems such as getting (sick) by being infected with pathogens.

Recently, it is possible to prevent foreign matter from entering the room, but in the case of an apartment, foreign matter may be scattered outside the front door, that is, outdoors, into the corridor and other houses, and may affect the surrounding environment, so research to prevent this is in progress. there is.

An object of the embodiment is to provide an air wash device capable of dividing an indoor space, an entrance space, and an outdoor space and spraying air to a person located in the entrance space.

In addition, an object of the embodiment is to provide an air wash device capable of inhaling polluted air containing foreign substances removed from a person when showering air is sprayed to a person located in the entrance space by dividing the indoor space, the entrance space, and the outdoor space. there is.

In addition, another object of the embodiment is to provide an air wash device capable of sucking in polluted air containing foreign substances after spraying air for a shower and discharging filtered clean air to an outdoor space.

Another object of the embodiments is to provide an air wash device capable of effectively removing polluted air by spraying shower air and sucking polluted air according to a set pattern.

An air wash device according to an embodiment is installed in a front door and sprays air for a first curtain that divides an indoor space and an entrance space, and a second curtain air that divides the entrance space and an outdoor space. It may include a second spraying device for spraying and a third spraying device formed between the first and second spraying devices and spraying shower air into the entrance space.

An air wash device according to an embodiment is installed in a front door, and includes a first air module that drives a first spraying device that blows air for a first curtain that divides an indoor space from an entrance space, and divides the entrance space from an outdoor space. A second air module driving a second spraying device that sprays air for a second curtain, and a third spraying device that is formed between the first and second spraying devices and sprays shower air into the front door space. When the third air module and the entrance door of the front door change from a closed state to an open state, the sensor module outputs an open signal and operates in an air blocking mode when the open signal is input, so that air for the first curtain is sprayed. and a control module that operates in a dust blocking mode and controls spraying of the air for the shower and the air for the second curtain when a set spraying condition is satisfied.

The control module controls a condition judging unit to determine whether the injection conditions are satisfied and the air for the first curtain to be sprayed when the open signal is input, and when it is determined that the spray conditions are satisfied, the shower air and the first curtain air are sprayed. 2 It may include a control unit that controls air for curtains to be sprayed.

An air wash device according to an embodiment is installed in a front door, and includes a first air module that drives a first spraying device that blows air for a first curtain that divides an indoor space from an entrance space, and divides the entrance space from an outdoor space. A second air module driving a second spraying device that sprays air for a second curtain, and a third spraying device that is formed between the first and second spraying devices and sprays shower air into the front door space. When the third air module, the camera module for photographing the front door of the front door, and the front door are changed from the closed state to the open state in the image continuously captured by the camera module, the air for the first curtain is operated in the air blocking mode. and a control module for controlling spraying and, when the image satisfies spraying conditions, operating in a dust blocking mode and controlling spraying of the shower air and the second curtain air.

The control module includes an image recognition unit for recognizing the closed or open state of the front door and the location of a person by processing the image, a condition determination unit for determining whether the location of the person satisfies the injection condition, and the control module. When the front door is recognized as open, the air for the first curtain is controlled to be sprayed according to the air blocking mode, and when the position of the person satisfies the blowing condition, the air for the shower and It may include a controller that controls the error for the second curtain to be sprayed.

The image recognition unit recognizes the person's dressing state when recognizing the person's location in the image, and the control unit, when operating in the merge cut-off mode, separates the air for the first and second curtains and the air for the shower, respectively. Air volume can be variably controlled according to the wearing state.

The air wash device according to the embodiment is installed in the entrance hall, sprays air for first and second curtains to separate the indoor space, the entrance space, and the outdoor space, and then sprays shower air to a person located in the entrance space. There is an advantage in preventing foreign matter from scattering into the outdoor space.

In addition, the air wash device according to the embodiment divides the indoor space, the entrance space, and the outdoor space, and when spraying air for a shower to a person located in the entrance space, air wash capable of inhaling polluted air containing foreign substances shaken off from a person. to provide the device.

In addition, the air wash device according to the embodiment has an advantage of reducing air pollution in the outdoor space by sucking in polluted air containing foreign substances after spraying air for a shower and discharging the filtered clean air to the outdoor space.

In addition, the air wash device according to the embodiment has an advantage of effectively removing polluted air by spraying air for a shower and sucking polluted air according to a set pattern.

1 is a view showing an air wash device according to an embodiment.
2 is a view showing a detailed structure of an air wash device according to an embodiment.
3 is a control block diagram showing a control configuration of the air wash apparatus according to the first embodiment.
4 is a control block diagram showing a control configuration of an air wash apparatus according to a second embodiment.
5 to 7 are operation diagrams showing the operation of the air wash device shown in FIG.

Hereinafter, an air wash device according to an embodiment will be described in detail with reference to the drawings.

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

Referring to FIG. 1 , an air wash device 100 may include a first spray device 110 , a second spray device 120 , a third spray device 130 and a suction device 140 .

In the embodiment, the air wash device 100 is installed in the entrance space S2 and described as being installed on the upper surface of the entrance hall, but the first to third injection devices 110, 120, and 130 and the suction device 140 At least one of them may be separated from other devices and disposed on the side of the vestibule, but is not limited thereto.

The entrance space S2 represents a space formed between the indoor space S1 of the house and the outdoor space S3 of the house, and may be a space where a user can take an action such as taking off or putting on shoes.

The indoor space (S1) and the entrance space (S2) may be selectively communicated with each other by the entrance door (10). That is, for example, when the entrance door 10 is in a closed state, the entrance space S2 may be the indoor space S1 and may be distinguished from the outdoor space S3.

The entrance space (S2) is an entrance space of the house, foreign matter, fine dust, etc. may be introduced when a user with foreign matter, fine dust, etc. from the outdoor space (S3) enters and exits through the front door (10).

Therefore, the air wash device 100 for removing foreign substances and fine dust from a user entering and exiting the indoor space S1 from the outdoor space S3 may be installed in the entrance space S2.

The above-described first to third injection devices 110, 120, 130 and the suction device 140 are described as being installed inside one housing, but are not limited thereto.

The first injection device 110 may suck indoor air or outdoor air and inject air for the first curtain that divides the indoor space S1 and the entrance space S2, and structural details will be described later. .

Here, the air for the first curtain can prevent foreign substances flowing in from the entrance space S2 and the outdoor space S3 from entering the indoor space S1.

The second injection device 120 may suck indoor air or outdoor air and inject air for the second curtain that divides the front door space S2 and the outdoor space S3, and structural details will be described later. .

In addition, the air for the second curtain can prevent foreign substances existing in the entrance space S2 from scattering or spreading to the outdoor space S3.

The third injection device 130 is for a shower capable of sucking indoor air or outdoor air to shake off foreign substances, fine dust, etc. attached to people in the entrance space (S2) divided by the first and second curtain air. Air can be sprayed.

In addition, the suction device 140 may be formed between the first and third injection devices 110 and 130 or between the second and third injection devices 120 and 130, and integrally formed with the third injection device 130. may be, and is not limited thereto.

The suction device 140 may operate according to the branch intake pattern set with the third injection device 130 . For example, the suction device 140 sucks polluted air including foreign substances and fine dust included in the entrance space S2 after the shower air is sprayed for the first time by the third spray device 130. It can be done, and a detailed description will be given later.

The entrance door 10 physically divides the entrance space S2 and the outdoor space S3, and may operate in a rotational manner by a hinge or a sliding manner.

In addition, the entrance door 10 may be installed on the door post 20, which is a fixed structure, but is not limited thereto.

2 is a view showing a detailed structure of an air wash device according to an embodiment.

2 shows that the air wash device 100 sucks in outdoor air from the outdoor space through the inlet 40, sprays air into the entrance space S2, and injects air into the entrance space S2 through the exhaust vent 50. may be exhausted to the outdoor space (S2), but is not limited thereto.

Referring to FIG. 2 , the air wash device 100 is suctioned from a first spray device 110, a second spray device 120, a third spray device 130, a suction device 140, and an intake port 40. Polluted air sucked from the intake duct 60 and the suction device 140 through which outdoor air can flow It may include an exhaust duct 30 that can flow.

In the embodiment, the intake port 40 and the exhaust port 50 will be described as capable of sucking or discharging air from an outdoor space.

Here, the intake port 40 and the exhaust port 50 may pass through a portion of the doorpost 20 to communicate with the outdoor space S3 and be connected to the housing of the air wash device 100.

The intake duct 60 may flow outdoor air sucked through the intake port 40 to the first to third injection devices 110 , 120 , and 130 .

In addition, the intake port 40 of the air wash device 100 may further include a filter unit 70 for filtering foreign substances included in the inhaled outdoor air.

The filter unit 70 may be installed in the intake port 40 and may remove foreign substances or the like of outdoor air flowing from the outdoor space S3 to the indoor space S2.

In addition, the exhaust port 50 may include a filter unit 70 that filters polluted air sucked in from the exhaust duct 30 and discharges clean air to the outdoor space S3.

In the embodiment, the intake port 40 and the exhaust port 50 will be described as filter units 70 having the same reference numerals as each other.

The first injection device 110 may include a first suction port 111 , a first discharge port 112 and a first blowing fan 113 .

Here, the first inlet 111 can suck in outdoor air flowing in the intake duct 60, and the first outlet 112 can spray and discharge air for the first curtain whose air volume of outdoor air is adjusted. .

The first blower fan 113 may control outdoor air so that outdoor air sucked through the first inlet 111 flows to the first discharge unit 112 .

That is, the first blower fan 113 may increase or decrease the rotational speed so that the air for the first curtain whose air volume is controlled is sprayed from the first outlet 112 .

In addition, the second injection device 120 may include a second suction port 121 , a second discharge port 122 and a second blowing fan 123 .

Here, the second inlet 121 can suck in the outdoor air flowing in the intake duct 60, and the second outlet 122 can spray and discharge air for the second curtain whose air volume of the outdoor air is adjusted. .

The second blower fan may control the outdoor air so that the outdoor air sucked through the second inlet 121 flows to the second outlet 122 .

That is, the second blower fan 123 may increase or decrease the rotational speed so that the second curtain air whose air volume is controlled is sprayed from the second outlet 122 .

The third injection device 130 may include a third suction port 131 , a third discharge port 132 , a third blowing fan 133 , and an air guide 134 .

The third inlet 131 can suck in outdoor air flowing in the intake duct 60, and the third outlet 132 can spray and discharge air for the second curtain whose air volume of the outdoor air is adjusted.

The third blower fan 133 may control outdoor air so that outdoor air sucked through the third inlet 131 flows to the third outlet 132 .

That is, the third blower fan 133 may increase or decrease the rotational speed so that shower air whose air volume is controlled is sprayed from the third outlet 132 .

The suction device 140 may include a fourth suction port 141 , a fourth discharge unit 142 and a fourth blowing fan 143 .

The fourth inlet 141 may suck in the polluted air from the vestibule space S2.

The fourth discharge unit 142 may discharge clean air obtained by filtering the polluted air sucked through the fourth suction port 141 by the filter unit 70 to the outdoor space S3 .

The fourth blowing fan 143 may generate air flowing from the fourth suction port 141 to the fourth discharge port 132 .

The fourth discharge port 142 may communicate with the exhaust port 50 and discharge clean air filtered from the polluted air sucked in by the suction device 140 to the outdoor space S3.

3 is a control block diagram showing the control configuration of the air wash apparatus according to the first embodiment.

In FIG. 3, the configuration described in FIGS. 1 and 2 will be briefly described or the description will be omitted.

Referring to FIG. 3 , the air wash device 100 includes a first air module 210, a second air module 220, a third air module 230, a sensor module 240, and a control module 250. can do.

The first air module 210 may drive the first injection device 110 described in FIGS. 1 and 2 .

That is, the first air module 210 injects the air ar1 for the first curtain from the first injection device 110 according to the control of the control module 250, so that the indoor space S1 and the entrance space S2 can be distinguished.

Here, the air ar1 for the first curtain may be sprayed from the upper part of the entrance to the lower direction, that is, in the vertical direction, and the air volume of the air ar1 for the first curtain is used for the shower sprayed from the third air module 230. It can be varied to correspond to the wind volume of air (war), and is not limited thereto.

The first air module 210 is turned on at the same time as the third air module 230 under the control of the control module 250 to spray the first curtain air ar1, or the third air module 230 ) may be turned on at a time prior to the on operation time to spray the first curtain air ar1, but is not limited thereto.

In addition, the first air module 210 is turned off at the same time as the third air module 230 under the control of the control module 250 to block the sprayed air ar1 for the second curtain, or When the air module 230 is turned off at a time later than the time when the air module 230 is turned off, the sprayed first curtain air ar1 may be blocked, but is not limited thereto.

The second air module 220 injects the air ar2 for the second curtain from the second injection device 120 according to the control of the control module 250 to divide the entrance space S2 and the outdoor space S3. can make it

Here, the air for the second curtain (ar2) can be sprayed from the upper part of the entrance to the lower direction, that is, in the vertical direction, and the air volume of the air (ar2) for the second curtain is for the shower sprayed from the third air module 230. It can be varied to correspond to the wind volume of air (war), and is not limited thereto.

Under the control of the control module 250, the second air module 220 operates at a time point prior to the on-time point of the first and third air modules 210 and 230 to spray the air ar2 for the second curtain, or The first air module 210 operates at a point in time after the air ar1 for the first curtain is sprayed, and the air ar2 for the second curtain may be sprayed.

In addition, the second air module 220 turns off at a later time than the turn off time of the first and third air modules 210 and 230 according to the control of the control module 250 and sprays the second curtain air (ar2). ) may be blocked, or the air for the second curtain ar2 sprayed by an off operation at a time prior to the off operation time of the first air module 210 may be blocked, but is not limited thereto.

The third air module 230 may inject shower air (war) from the third injection device 130 into the entrance space S2 under the control of the control module 250, and the suction device 140 may inject the shower air into the entrance space S2. It is possible to inhale polluted air containing foreign substances that have been shaken off from people by the use of air (war).

Here, the third air module 230 turns on at the same time as the second air module 220 at a time after the turn-on operation of the first air module 210 to spray shower air, or first, After the turn-on operation of the two air modules 210 and 220, it is possible to turn-on operation alone to spray shower air (war).

At this time, the air for showering (war) may be sprayed from the top of the entrance to the bottom, that is, vertically, or from the top of the entrance to the side, that is, in the diagonal direction, when the third injector 130 is installed on the side of the entrance. It may be sprayed in a lateral direction, but is not limited thereto.

The third air module 230 may operate the third injection device 130 and the suction device 140 alternately, and the injection end time of the third injection device 130 and the suction of the suction device 140 It is possible to operate the starting points overlapping with each other, and there is no limitation thereto.

The sensor module 240 may include a sensor unit 242 and an amplification unit 244 .

The sensor unit 242 may output a detection signal as1 detecting an open state of the entrance door 10 .

Here, the sensor unit 242 is a proximity sensor (not shown) that detects the open state of the front door 10 and outputs a detection signal as1, and when the closed state of the front door 10 is changed to the open state, An optical sensor (not shown) for outputting a detection signal (as1) detecting a change and a dust sensor (not shown) outputting a detection signal (as1) for detecting a change in the amount of dust when the front door 10 is changed from a closed state to an open state ( not shown) may include at least one of, but is not limited thereto.

The sensor module 240 may be installed on any one of the front door 10 and the door post 20, and when the proximity sensor is included, the side of the front door 10 and the door post 20 are detected. A detection signal as1 may be output according to whether they detect each other.

When the detection signal as1 is input, the amplifier 244 may output an open signal ap1 obtained by amplifying the detection signal as1.

The control module 250 may include a condition determination unit 252 and a control unit 254 .

The condition determination unit 252 may determine whether a set injection condition is satisfied.

That is, the condition determining unit 252 determines that the first air module 210 turns on when the front door 10 is in an open state and blows the air ar1 for the first curtain, and then the second and third air modules ( 220 and 230) may determine whether the injection condition for determining whether the on operation is satisfied.

The injection condition may be a time condition for maintaining the front door 10 in an open state, and the condition determination unit 252 may determine the holding time of the reading signal (asp) that the front door 10 maintains in an open state, that is, the input It may be determined that the injection condition is satisfied when the time from which the level is maintained at the same level exceeds the reference maintenance time set in the injection condition.

When the open signal (asp) is input from the sensor module 240, the control unit 254 operates in an air blocking mode to distinguish between the indoor space S1 and the front door space S2 since the front door 10 is in an open state. The first air module 210 may control the air ar1 for the first curtain to be sprayed.

Here, the control unit 254 may control the air for the first curtain ar1 to the first cut-off air volume when the air cut-off mode is operated, and the outdoor air is blown into the indoor space S1 when the front door 10 is open. can be prevented from entering.

Thereafter, the control unit 254 converts the air blocking mode to the dust blocking mode when the condition determination unit 252 satisfies the blowing conditions during the operation of the air blocking mode, so that the air ar1 for the first curtain is lower than the first blocking air volume. The first air module 210 may be controlled to blow at a large second cut-off air volume.

In addition, the control unit 254 may control the second and third air modules 220 and 230 so that the air for the second curtain (ar2) and the air for the shower (war) are sprayed when operating after switching to the dust blocking mode. there is.

At this time, the controller 254 controls the second curtain air (ar2) and the shower air (war) to be sprayed at the same time within the error range, or after the second curtain air (ar2) is sprayed, the shower air (war) is sprayed. Air (war) can be controlled to be sprayed, and spraying timings of the air (ar2) for the second curtain and the air (war) for the shower can be varied, but is not limited thereto.

Here, the control unit 254 may increase the air volume of the second curtain air (ar2) greater than the air volume of the shower air (war), and set the air volume of the second curtain air (ar2) to that of the shower air (war). By lowering the air volume by a predetermined value, foreign substances and the like that are blown away from people can fall through the front door 10 to a certain part of the outdoor space S3, but this is not limited.

The controller 254 maintains the dust blocking mode for a set first predetermined time period, and controls the third air module 230 according to a branch intake pattern set during the first predetermined time period.

That is, the branch intake pattern may represent a pattern in which the third injection device 130 and the suction device 140 are repeatedly driven according to a predetermined number of times.

Therefore, the control unit 254 controls the spraying of shower air (war) from the third injection device 130 for a first time set among the first predetermined times, and the suction device for a second time after the lapse of the first time. 140 may control polluted air including foreign substances shaken off from people to be sucked into the entrance space S2 by shower air (war).

In addition, the control unit 254 controls the third injection device 130 to spray shower air (war) for a first time, and during a second time from a point before the spraying of the shower air (war) is stopped. Contaminated air can be inhaled.

At this time, the control unit 254 controls the air volume of the shower air (war) sprayed from the third spray device 130 to decrease from the spray start point to the spray stop point, and the suction device 140 sucks the polluted air. It is possible to control the suction force to be increased from the suction start point to the suction stop point.

When the first predetermined time elapses while operating in the dust blocking mode, the control unit 254 controls the suction of the contaminated air by the suction device 140 and the second and third air to stop the spraying of the shower air. Modules 220 and 230 can be controlled.

The first predetermined time may be a time for a person to move from the open state of the front door 10 to a position overlapping with the third air module 230 .

That is, the control unit 254 controls the injection of the shower air (war) to be stopped when the first predetermined time has elapsed, and then controls the driving of the suction device 140 to be stopped, and the second curtain air (ar2) The injection may be controlled to be stopped, or the injection of the second curtain air ar2 and the driving of the suction device 140 may be stopped at the same time within an error range.

Further, the control unit 254 switches the dust blocking mode to the air blocking mode when the injection of the second curtain air ar2 is stopped, and after a second predetermined time has elapsed, the first curtain air ar1 Spraying can be controlled to stop.

The second predetermined time period may be a time period in which foreign substances attached to a person are blown off by shower air (war).

As such, the air wash device according to the embodiment prevents the outdoor air from the outdoor space from flowing into the indoor space when the front door is open, and prevents foreign substances from the entrance space from scattering into the indoor space and the outdoor space. It has the advantage of improving the air quality of indoor and outdoor spaces.

4 is a control block diagram showing a control configuration of an air wash apparatus according to a second embodiment.

In FIG. 4, the configuration described in FIGS. 1 and 2 will be briefly described or the description will be omitted.

Referring to FIG. 4 , the air wash device 100 includes a first air module 310, a second air module 320, a third air module 330, a camera module 340, and a control module 350. can do.

The first air module 310 may drive the first injection device 110 described in FIGS. 1 and 2 .

That is, the first air module 310 injects the air ar1 for the first curtain from the first injection device 110 according to the control of the control module 350, so that the indoor space S1 and the entrance space S2 can be distinguished.

Here, the air ar1 for the first curtain may be sprayed from the top of the entrance to the bottom, that is, in the vertical direction, and the air volume of the air ar1 for the first curtain is for a shower sprayed from the third air module 330. It can be varied to correspond to the wind volume of air (war), and is not limited thereto.

The first air module 310 is turned on at the same time as the third air module 330 according to the control of the control module 350 to spray the first curtain air ar1, or the third air module 330 ) may be turned on at a time prior to the on operation time to spray the first curtain air ar1, but is not limited thereto.

In addition, the first air module 310 is turned off at the same time as the third air module 330 according to the control of the control module 350 to block the sprayed air ar1 for the second curtain, or The air module 330 may be turned off at a time later than the time when the air module 330 is turned off to block the sprayed air ar1 for the first curtain, but is not limited thereto.

The second air module 320 injects the air ar2 for the second curtain from the second injection device 120 according to the control of the control module 350 to divide the entrance space S2 and the outdoor space S3. can make it

Here, the air for the second curtain (ar2) can be sprayed from the upper part of the entrance to the lower direction, that is, in the vertical direction, and the air volume of the air (ar2) for the second curtain is for the shower sprayed from the third air module 330. It can be varied to correspond to the wind volume of air (war), and is not limited thereto.

Under the control of the control module 350, the second air module 320 operates at a point in time prior to the turn-on point of the first and third air modules 310 and 330 to inject air ar2 for the second curtain, or The first air module 310 operates at a point in time after the air ar1 for the first curtain is sprayed, and the air ar2 for the second curtain may be sprayed.

In addition, the second air module 320 is turned off at a time later than the turn off time of the first and third air modules 310 and 330 according to the control of the control module 350 and is sprayed with second curtain air (ar2). ) may be blocked, or the air for the second curtain ar2 sprayed by an off operation at a time prior to the off operation time of the first air module 310 may be blocked, but is not limited thereto.

The third air module 330 may inject shower air (war) from the third injection device 130 into the entrance space S2 under the control of the control module 350, and the suction device 140 may inject the shower air into the entrance space S2. It is possible to inhale polluted air containing foreign substances that have been shaken off from people by the use of air (war).

Here, the third air module 330 turns on at the same time as the second air module 320 at a time point after the turn-on operation of the first air module 310 to spray shower air, or first, After the turn-on operation of the two air modules 310 and 320, it is possible to turn-on operation alone to spray shower air (war).

At this time, the air for showering (war) may be sprayed from the top of the entrance to the bottom, that is, vertically, or from the top of the entrance to the side, that is, in the diagonal direction, when the third injector 130 is installed on the side of the entrance. It may be sprayed in a lateral direction, but is not limited thereto.

The third air module 330 may operate the third injection device 130 and the suction device 140 alternately, and the injection end time of the third injection device 130 and the suction of the suction device 140 It is possible to operate the starting points overlapping with each other, and there is no limitation thereto.

The camera module 340 may output an image vd obtained by continuously photographing the front door 10 .

In the embodiment, the camera module 340 is described as capturing the image vd, but may be an image showing the state of the front door 10 captured at predetermined time intervals, but is not limited thereto.

In addition, the camera module 340 may include various sensors capable of checking the closed state and the open state of the front door 10, but is not limited thereto.

The camera module 340 may include a plurality of CCD sensors (not shown), but is not limited thereto.

The control module 350 may include an image recognition unit 352 , a condition determination unit 354 and a control unit 356 .

The image recognition unit 352 may process the image vd to recognize the closed or open state of the front door 10 and the position and clothing state of the person.

That is, the image recognition unit 352 transmits the first state signal ps1 to the controller 356 when the front door 10 is in an open state, and transmits the second state signal ps1 to the controller 356 when the front door 10 is in a closed state. The state signal ps2 may be transmitted.

Thereafter, the image recognition unit 352 may transmit the location signal ls including the person's dressing state to the control unit 356 when the position of the person entering the front door 10 overlaps with the third air module 330. there is.

As described above, the image recognition unit 352 compares the currently input image vd and the previous input image (not shown) to each other, and the open or closed state of the front door 10 and the position or position change of the person. can recognize, and is not limited thereto.

The condition determination unit 354 may determine whether the location of the person recognized by the image recognition unit 352 satisfies the set injection condition.

That is, the condition determining unit 354 determines that the first air module 310 turns on when the front door 10 is in an open state and blows the air ar1 for the first curtain, and then the second and third air modules ( 320 and 330) may determine whether the injection condition for determining whether the on operation is satisfied.

The injection condition may be a condition for the position of the person with the front door 10 open, and the condition determination unit 354 determines the position of the person according to the position signal ls output from the image recognition unit 352. If the position belongs to the set reference position range, it may be determined that the injection condition is satisfied.

Here, the reference position range may be a range between a position overlapping the second and third injection devices 120 and 130 and a position overlapping the third injection device 130 .

Since the front door 10 is open when the first state signal ps1 is input, the control unit 356 operates in an air blocking mode to distinguish between the indoor space S1 and the front space S2, and the first air module In step 310, the air ar1 for the first curtain can be controlled to be sprayed.

Here, the control unit 356 may control the air for the first curtain ar1 to the first cut-off air volume when the air cut-off mode is operated, and the outdoor air is blown into the indoor space S1 when the front door 10 is opened. can be prevented from entering.

Thereafter, the control unit 356 converts the air blocking mode to the dust blocking mode when the condition determination unit 354 satisfies the blowing condition during the operation of the air blocking mode, so that the air ar1 for the first curtain is lower than the first blocking air volume. The first air module 310 may be controlled to blow at a large second cut-off air volume.

In addition, the control unit 356 may control the second and third air modules 320 and 330 so that the air for the second curtain (ar2) and the air for the shower (war) are sprayed when operating after switching to the dust blocking mode. there is.

At this time, the controller 356 controls the second curtain air (ar2) and the shower air (war) to be sprayed at the same time within the error range, or after the second curtain air (ar2) is sprayed, the shower air (war) is sprayed. Air (war) can be controlled to be sprayed, and spraying timings of the air (ar2) for the second curtain and the air (war) for the shower can be varied, but is not limited thereto.

Here, the control unit 356 may set the air volume of the second curtain air ar2 higher than the air volume of the shower air war, and set the air volume of the second curtain air ar2 to that of the shower air war. By lowering the air volume by a predetermined value, foreign substances and the like that are blown away from people can fall through the front door 10 to a certain part of the outdoor space S3, but this is not limited.

The controller 356 maintains the dust blocking mode for a set first predetermined time period, and controls the third air module 330 according to a branch intake pattern set during the first predetermined time period.

That is, the branch intake pattern may represent a pattern in which the third injection device 130 and the suction device 140 are repeatedly driven according to a predetermined number of times.

Therefore, the control unit 356 controls the shower air (war) to be sprayed from the third injection device 130 for a first time set among the first predetermined times, and the suction device for a second time after the lapse of the first time 140 may control polluted air including foreign substances shaken off from people to be sucked into the entrance space S2 by shower air (war).

In addition, the control unit 356 controls the third injection device 130 to spray shower air (war) for a first time, and controls the spraying of shower air (war) for a second time from a point before stopping the spraying of the shower air (war). Contaminated air can be inhaled.

At this time, the control unit 356 controls the air volume of the shower air (war) sprayed from the third spray device 130 to decrease from the spray start point to the spray stop point, and the suction device 140 sucks the polluted air. It is possible to control the suction force to increase from the suction start point to the suction stop point.

When the first predetermined time elapses while operating in the dust blocking mode, the control unit 356 controls the suction of the contaminated air by the suction device 140 and the second and third air to stop spraying of the shower air. Modules 320 and 330 can be controlled.

The first predetermined time may be a time for a person to move from an open state of the front door 10 to a position overlapping with the third air module 330 .

That is, when the first predetermined time elapses, the control unit 356 controls the spraying of the shower air (war) to be stopped, and then controls the spraying of the second curtain air (ar2) to be stopped, or the second curtain air (ar2) to be sprayed. The injection of the air ar2 and the shower air ar2 may be controlled to be stopped at the same time within an error range.

Further, the controller 356 switches the dust blocking mode to the air blocking mode when the spraying of the second curtain air (ar2) and the shower air (war) is stopped, and after a second predetermined time has elapsed, the first The jetting of ar1 for curtains can be controlled to stop.

The second predetermined time period may be a time period in which foreign substances attached to a person are blown off by shower air (war).

As another example, the controller 356 converts the foreign matter blocking mode to the air blocking mode when a person moves from the third spraying device 130 to the second spraying device 120 during the operation of the foreign matter blocking mode, so that a shower is provided. The spraying of the air (war) and the spraying of the air (ar1, ar2) for the first and second curtains may be controlled to stop after a second predetermined time has elapsed after the driving of the air suction device 14 is stopped.

In the embodiment, the control unit 356 differently controls the spraying of air for the first and second curtains (ar1, ar2) and air for the shower (war) according to a change in the position of a person or a holding time in a set mode. However, they can be controlled identically to each other, and there is no limitation thereto.

5 to 7 are operation diagrams showing the operation of the air wash device shown in FIG.

5 to 7 will mainly describe the operations of the camera module 340 and the control module 350 described in FIG. 4 .

5 shows a case where the front door 10 is opened by a person.

Here, the control module 350 recognizes the open or closed state of the front door 10, the position of the person, and the state of wearing the person when the image vd of the front door 10 is transmitted from the camera module 340. can do.

First, the control module 350 determines that the front door 10 is open in the image vd, and the position before or after the person enters the front door 10 is overlapped with the third injection device 130. If not, the first air module 310 may be controlled so that the air ar1 for the first curtain is sprayed from the first injection device 110 by operating in the set air blocking mode.

In this case, the control module 350 may control the air ar1 for the first curtain to be sprayed at the first blocked air volume before the second and third air modules 320 and 330 operate.

6 shows a case where a person enters the front door 10 and is located between the second and third injection devices 120 and 130 .

FIG. 6 shows that the first spraying device 110 continues to operate in an air blocking mode in which air ar1 for the first curtain is sprayed in the same manner as in FIG. 5 .

At this time, the control module 350 may increase the air volume of the first curtain air ar1 until the person passes through the second injector 120 and moves to a position overlapping the third injector 130. , but not limited to this.

7 shows a case where a person enters the front door 10 and moves to a position overlapping with the third injection device 130 .

The control module 350 switches the air blocking mode to the dust blocking mode when a person enters a position overlapping with the third injector 130, and the first curtain air ar1 sprayed from the first injector 110 The first air module 310 may be controlled to increase the first blocked air volume to the second blocked air volume.

In addition, the control module 350 controls the second and third air modules 320 and 330 so that the second curtain air ar2 and the shower air war are sprayed from the second and third spray devices 120 and 130. You can control it.

At this time, the air volume of the shower air (war) is variable according to the condition of the person's clothes, and foreign substances can be removed from the person's clothes. ), it can be included in the front door space S2 without being scattered indoors and outdoors.

Here, the control module 350 may control the third air module 330 so that the third injection device 130 and the suction device 140 are driven according to the set branch suction pattern when the dust blocking mode is switched. .

That is, the control module 350 controls the shower air (war) to be sprayed from the third injection device 130 to the entrance space S2 during the first time among the first predetermined times operating in the dust blocking mode, and then , it is possible to control the suction device 140 that sucks polluted air in the front door space S2 to be driven for a second time.

Here, the control module 350 may control the third injection device 130 and the suction device 140 to be repeatedly driven a predetermined number of times during the first predetermined time.

Thereafter, the control module 350 switches to the air blocking mode when a person moves to the first injection device 110 or when the dust blocking mode is maintained for a predetermined time, and the second and third injection devices 120 and 130 And the operation of the suction device 140 may be controlled to stop, and the operation of the first injection device 110 may be controlled to stop.

The embodiments described above are not limited to the configurations and methods described above, but the embodiments may be configured by selectively combining all or part of each embodiment so that various modifications can be made.

In addition, although the embodiments have been shown and described above, the embodiments are not limited to the specific ones described above, and those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims Of course, various modifications are possible by, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

Claims (27)

delete delete delete delete delete delete delete A first air module that is installed in the front door and drives a first spraying device that sprays air for a first curtain that divides the indoor space and the front door space;
a second air module that drives a second spraying device for spraying air for a second curtain that divides the front door space from the outdoor space;
a third air module formed between the first and second spray devices and driving a third spray device for spraying shower air into the entrance space;
A third injection device formed between the first and second injection devices for injecting shower air into the entrance space and a third injection device for driving a suction device for sucking polluted air containing foreign substances shaken off by the shower air. air module;
a sensor module outputting an open signal when the front door of the front door is changed from a closed state to an open state; and
When the open signal is input, it operates in an air blocking mode to control the spraying of air for the first curtain, and when a set blowing condition is satisfied, it operates in a dust blocking mode to spray the air for the second curtain and sets a spray intake pattern. And a control module for spraying the shower air and controlling the intake of the contaminated air according to
The control module,
a condition determination unit determining whether the injection condition is satisfied; and
When the open signal is input, the air for the first curtain is controlled to be sprayed, and when it is determined that the spray condition is satisfied, the air for the second curtain is sprayed, and the air for the shower is sprayed according to the spray intake pattern. A control unit for controlling the intake of the contaminated air;
The control unit,
During the air blocking mode operation, the air for the first curtain is controlled to be blown at a first cut-off air volume, and when the blowing condition is satisfied during the air cut-off mode operation, the air is switched to the dust cut-off mode so that the air volume greater than the first cut-off air volume is satisfied. Controlling the air for the first curtain to be blown with the second cut-off air volume
air wash device. According to claim 8,
The sensor module,
a sensor unit outputting a detection signal that detects an open state of the entrance door; and
Air wash device comprising a; amplification unit for outputting an open signal obtained by amplifying the detection signal. According to claim 9,
The sensor unit,
A proximity sensor detecting the open state of the front door and outputting the detection signal, an optical sensor detecting a change in light amount and outputting the detection signal when the front door is changed from a closed state to an open state, and closing the front door Air wash device comprising at least one of the dust sensors for outputting the detection signal for detecting a change in the amount of dust when the state is changed to the open state. delete According to claim 8,
The injection condition is,
It is a time condition for maintaining the front door open state,
The condition judgment unit,
In the air blocking mode operation, when the holding time of the open signal for maintaining the front door in the open state exceeds the reference holding time set in the spray condition, the air wash device determines that the spray condition is satisfied. delete According to claim 8,
The control unit,
Air washing device for controlling the air for the shower and the air for the second curtain to be sprayed at the same time after changing the air volume for the first curtain to the second cut-off air volume. According to claim 8,
The control unit,
An air wash device for controlling the shower air to be sprayed after the first curtain air is varied to the second cut-off air volume and then the second curtain air is sprayed. According to claim 8,
The control unit,
The air that maintains the dust blocking mode for a set first predetermined time, and controls the spraying of the shower air and suctioning of the polluted air to be repeatedly performed according to the set predetermined number of times according to the spray intake pattern during the first predetermined time. wash device. 17. The method of claim 16,
The control unit,
The air wash device controls that the shower air is sprayed for a first time according to the spray intake pattern, and the polluted air is sucked for a second time after the first time has elapsed. 17. The method of claim 16,
The control unit,
The air wash device controls that the shower air is sprayed for a first time according to the spray intake pattern, and the polluted air is sucked for a second time from a point before the spray of the shower air is stopped. 17. The method of claim 16,
The control unit,
An air wash device that controls the air volume of the shower air to be reduced from the point of injection start to the point of stop of injection, and controls the suction power of the contaminated air to increase from the point of suction start to the point of suction stop. 17. The method of claim 16,
The control unit,
The air wash device controls the intake of the polluted air and the injection of the second curtain air to be stopped when the first predetermined time has elapsed in the dust blocking mode. 17. The method of claim 16,
The control unit,
After the first predetermined time has elapsed, after spraying the shower air, controlling the suction of the polluted air to stop, then controlling the spraying of the second curtain air to stop, or
An air wash device for controlling the suction of the polluted air and the spraying of the second curtain air to be stopped at the same time after spraying the shower air. delete delete delete delete delete delete

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