KR102111216B1 - Air cleaning device and clean air supply system - Google Patents

Abstract

The present invention provides an air cleaner which reduces indoor installation space. According to the present invention, the air cleaner comprises: a housing fixed and installed on a building to be separated from the indoor floor of the building; a chamber arranged inside the housing; an air inlet to allow indoor air to flow into the chamber; an indoor air outlet to discharge air of the chamber out of the housing; an air blower to forcibly blow indoor air to induct indoor air into the chamber through the air inlet and then forcibly discharge indoor air through the indoor air outlet; a filter unit having a filter part to filter indoor air inducted into the housing by the air blower; an outside air inlet arranged on one side of the housing to be connected to an outside air supply pipe to supply outside air; an outside air passage arranged inside the housing to be separated from the chamber to guide outside air flowing into the outside air inlet; and an outside air outlet to discharge outside air flowing along the outside air passage out of the housing.

Description

Air cleaner and indoor air cleaning system having the same {AIR CLEANING DEVICE AND CLEAN AIR SUPPLY SYSTEM}

The present invention relates to an air purifier, and more particularly, to an air purifier and an indoor air purifying system having the same, which is installed indoors to purify indoor air and supply outdoor air to the room.

Recently, the demand for air cleaners is increasing due to the increase in air pollution and fine dust. Air cleaners are widely used in homes, offices, and various indoor places where people gather.

An air purifier is a device that removes dust, dust, or odor in the room. Basically, it is a filter that filters contaminants such as dust and dust in the air, and a fan installed inside the housing to force the air to flow. It includes. Filters used in air cleaners include pre-filters, activated carbon filters, electrostatic filtration filters using corona methods, and anion generators.

Air purifiers can be classified in various ways depending on the type of installation, but stand-type air purifiers installed on the floor of the room mainly dominate. Stand-type air purifiers have the advantage of being easy to install and convenient to move, but they have the disadvantage of reducing the efficiency of removal of floating dust and lowering the utilization of indoor spaces because they occupy a certain area of installation space. In addition, the stand-type air purifier is easily reachable by children and is liable to fall over, or to cause problems due to malfunctions.

On the other hand, the air purifier can remove dust, dust, and odor in the indoor air, but there is a limitation that the concentration of carbon dioxide that increases in the air cannot be reduced when the user stays in the enclosed room for a long time.

Registered Patent Publication No. 1176565 (2012. 08. 23)

The present invention has been devised in view of the above-described points, and is fixedly installed to be spaced from the floor of the room, thereby reducing the installation space in the room, and increasing the filtration efficiency for floating contaminants in the air, and the outdoor air It is an object of the present invention to provide an improved air purifier and an indoor air cleaning system having the same.

The object of the present invention is not limited to the above, other objects not mentioned will be clearly understood by those skilled in the art from the following description.

The air purifier according to the present invention for achieving the above object, a housing fixedly installed in the building so as to be spaced from the interior floor of the building; A chamber provided inside the housing; An air inlet provided on an outer surface of the housing to be connected to the chamber to introduce indoor air to the chamber; An indoor air discharge port formed on an outer surface of the housing to be connected to the chamber to discharge air from the chamber to the outside of the housing; A blower disposed in the air flow path between the air intake and the indoor air outlet so that indoor air is sucked into the chamber through the air intake and forcibly discharged through the indoor air outlet; A filter unit having a filter unit disposed in an air flow path between the air intake port and the indoor air outlet port to filter indoor air sucked into the housing by the blower; An outside air inlet provided on one side of the housing to be connected to an outside air supply pipe for supplying outside air; An outside air passage provided inside the housing to guide the outside air flowing into the outside air inlet to be separated from the chamber; And an outside air discharge port formed on an outer surface of the housing to be connected to the outside air passage to discharge outside air flowing along the outside air passage to the outside of the housing.

The air purifier according to the present invention includes: an outside air control damper installed to adjust the opening amount of the outside air inlet to change the amount of outside air flowing into the housing; An air volume measuring device for measuring a flow rate of air supplied through the outside air inlet and generating a detection signal; And a control unit controlling the external air damper using the detection signal of the air volume measurement device as a feedback control signal.

The air volume measuring device is provided with an outside air inlet through which the outside air passing through the outside air inlet may be introduced at an end, and the outside air inlet is disposed in the housing so as to face a direction in which outside air is supplied through the outside air inlet. An external air introduction pipe and a sensor unit that generates a detection signal according to the flow rate or hydraulic pressure of the external air flowing into the external air introduction pipe and transmits it to the control unit may be included.

The air intake is formed on the lower surface of the housing, the indoor air outlet is provided in the middle of the front of the housing, the outside air outlet is arranged on both sides of the indoor air outlet in the front of the housing, the outside air passage is the outside air It may extend from the inlet to the respective outside air outlet.

The filter unit is detachably coupled to the air intake port, an installation groove in which the filter unit is mounted is provided on the inside, and includes a grill having a plurality of through holes through which indoor air can pass through the installation groove. Can be.

The blower includes a fan rotatably disposed inside the housing to face the filter unit and spaced apart, and a motor providing rotational force to the fan, and indoor air passing through the filter unit between the fan and the motor A blower guide for guiding the air to the indoor air outlet may be installed.

The front surface of the housing may have an arcuately curved shape.

The housing may be formed of a double wall structure including at least a portion surrounding the blower, an inner wall, an outer wall spaced apart from the inner wall, and surrounding the inner wall, and a connecting portion connecting the inner wall and the outer wall.

On the other hand, the air cleaning system according to the present invention for achieving the above object, the air cleaner is fixedly installed in the building to be spaced from the interior floor of the building; An outside air supply device having an outside air supply pipe connected to the air purifier and supplying outside air to the air purifier through the outside air supply pipe; An air quality measuring device installed in the interior of the building to measure indoor air quality; And an indoor control unit that controls the outdoor air supply device according to a detection signal of the air quality measurement device to adjust the external air supply amount through the outdoor air supply device. The air purifier includes a housing and an inside of the housing. A chamber, an air intake provided on an outer surface of the housing to be connected to the chamber to introduce indoor air to the chamber, and an outer surface of the housing to be connected to the chamber to discharge air from the chamber to the outside of the housing It is arranged in an air flow path between the air inlet and the indoor air outlet so that the indoor air outlet formed in the air and the indoor air can be forcibly discharged through the indoor air outlet after inhaling the indoor air into the chamber through the air inlet A blower for forcibly blowing air, and the blower A filter part disposed in an air flow path between the air intake and the indoor air outlet so as to filter indoor air sucked into the housing, and provided on one side of the housing to be connected to an external air supply pipe for supplying outdoor air An outside air inlet, an outside air passage provided inside the housing to guide the outside air flowing into the outside air inlet to be separated from the chamber, and the outside air passage to discharge outside air flowing along the outside air passage to the outside of the housing It includes an external air discharge port formed on the outer surface of the housing to be connected with.

The air purifier generates a detection signal by measuring the flow rate of the air flowing through the outside air inlet and the outside air conditioning damper installed to adjust the opening amount of the outside air inlet to change the outside air flowing into the housing. The air volume measuring device may include a control unit for controlling the external air damper according to the detection signal of the air quality measuring device, and using the detection signal of the air volume measuring device as a feedback control signal.

The outdoor air supply device includes an indoor air discharge pipe extending into the room where the air purifier is installed to discharge indoor air, and a heat exchange unit for exchanging outdoor air supplied to the outdoor air supply pipe and indoor air discharged to the indoor air discharge pipe. , A heat exchanger having an air filter for filtering the outside air flowing into the outside air supply pipe.

According to the present invention, since the outside air can be supplied to the room through the air cleaner while purifying the room air with the air cleaner, the air in the room can be cleaned more quickly and efficiently. This effect is possible because the air purifier according to the present invention is fixedly installed indoors so that it can be connected to an external air supply pipe for supplying outdoor air.

In addition, according to the present invention, by measuring the amount of carbon dioxide or harmful components contained in the indoor air with an air quality measuring device installed in the room, and controlling the external air supply and air purifier according to the detection signal of the air quality measuring device, the indoor air The amount of outside air supplied to the room through the air purifier can be adjusted in real time according to the degree of contamination. Therefore, it is possible to automatically maintain the indoor air pollution level below a preset level.

In addition, according to the present invention, by being fixedly installed on the ceiling or wall of the building so that the air purifier is spaced from the interior floor of the building, it is possible to reduce the installation space in the room compared to the conventional stand-type air purifier, and to the contaminants floating in the air. Can increase the filtration efficiency. In addition, there is no problem that a child's hand falls over or breaks down due to misoperation, such as a conventional stand-type air purifier. In addition, there is an effect of supplying the outside air supplied from the outside to the entire room more efficiently and quickly.

The effects of the present invention are not limited to the above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 schematically shows an indoor air cleaning system according to an embodiment of the present invention.
2 is a block diagram showing a partial configuration of an indoor air cleaning system according to an embodiment of the present invention.
3 and 4 are perspective views showing an air cleaner of an indoor air cleaning system according to an embodiment of the present invention.
5 is an exploded view showing an air purifier of an indoor air cleaning system according to an embodiment of the present invention.
6 is a perspective view of the indoor air cleaning system according to an embodiment of the present invention, with the housing cover omitted.
7 and 8 are cross-sectional views showing an indoor air cleaning system according to an embodiment of the present invention.
9 is a block diagram illustrating a modification of the indoor air cleaning system according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. The present invention can be implemented in many different forms and is not limited to the embodiments described herein.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar elements throughout the specification.

In addition, in various embodiments, components having the same configuration will be described only in the exemplary embodiment using the same reference numerals, and in other embodiments, only the configuration different from the exemplary embodiment will be described.

Throughout the specification, when a part is said to be “connected” to another part, this includes not only the case of being “directly connected”, but also “indirectly connected” with other members interposed therebetween. In addition, when a part is said to "include" a certain component, this may mean that other components are not included, but other components are not excluded unless specifically stated to the contrary.

FIG. 1 schematically shows an indoor air cleaning system according to an embodiment of the present invention, and FIG. 2 is a block diagram showing some components of an indoor air cleaning system according to an embodiment of the present invention, FIGS. 3 and 4 Is a perspective view showing an air purifier of an indoor air cleaning system according to an embodiment of the present invention, and FIG. 5 is an exploded view showing an air purifier of an indoor air cleaning system according to an embodiment of the present invention.

As shown in the figure, the indoor air cleaning system 100 according to an embodiment of the present invention is arranged in the room to clean the indoor air of the building, and the outdoor air supply device 200 for supplying the outdoor air to the interior of the building The air purifier 300, the air quality measuring device 400 for measuring the air quality in the room, and the indoor control unit 500 for controlling the external air supply device 200 according to the detection signal of the air quality measuring device 400 do. The indoor air cleaning system 100 may clean the indoor air using the air purifier 300 and ventilate the indoor air by supplying outdoor air to the room through the outdoor air supply device 200 as necessary.

As illustrated, when the interior of the building is divided into a plurality of living spaces, such as a room and a living room, the indoor air intake 231 of the outdoor air supply device 200, the air cleaner 300, and the air quality measurement device 400 The back may be disposed in a plurality of living spaces, respectively.

The outdoor air supply device 200 is for supplying outdoor air for indoor ventilation to the air cleaner 300, and includes a heat exchanger 210, an outdoor air supply pipe 220, and an indoor air discharge pipe 230.

The heat exchanger 210 is connected to the outside air supply pipe 220 to supply the outside air heat exchanged with the indoor air to the interior of the building, and is connected to the indoor air discharge pipe 230 to receive indoor air discharged through the indoor air discharge pipe 230. After heat exchange with the outside air, it can be discharged to the outside. When performing ventilation, the heat exchanger 210 may transfer heat to the indoor air supply unit without losing heat in the room, and recover both sensible heat and latent heat energy in the exhausted indoor air.

The outdoor air supply pipe 220 and the indoor air discharge pipe 230 extend from the heat exchanger 210 to the interior of the building where the air purifier 300 is installed. A portion of the indoor air discharge pipe 230 disposed in the room is provided with an indoor air intake 231 for sucking indoor air.

The heat exchanger 210 includes a case 211, a heat exchange unit 212 installed inside the case 211 to heat the outside air supplied from the outside and the indoor air discharged from the room, and the outside air supplied to the room It includes an air filter 213 installed inside the case 211 to be filtered.

The case 211 includes an outside air inlet 214 through which outside air flows from the outside, an outside air outlet 215 connected to the outside air supply pipe 220 so that outside air passing through the heat exchange unit 212 is discharged, and indoor air from the inside. An indoor air inlet 216 connected to the indoor air discharge pipe 230 and an indoor air outlet 217 through which the indoor air passing through the heat exchange unit 212 is discharged are provided.

The heat exchange unit 212 is disposed inside the case 211 to heat-exchange outside air flowing in from the outside and indoor air discharged from the room. The heat exchange unit 212 includes an outdoor air passage through which the outside air flowing in from the outside air inlet 214 flows toward the outside air outlet 215, and an indoor air from which the indoor air inlet 216 flows toward the indoor air outlet 217. An air passage is provided. The outside air passing through the outside air passage may absorb sensible and latent heat energy in the indoor air passing through the indoor air passage and flow to the outside air supply pipe 220. Further, inside the case 211, air flow means (not shown) such as a blower fan for the flow of outside air and indoor air may be installed.

1, 3 to 8, the air cleaner 300 is fixed to the ceiling or wall of the building to be spaced from the interior floor of the building to clean the air in the room. The air purifier 300 includes a housing 310, an outside air inlet 326, a blower 333, a filter unit 338, an air flow measurement device 343, an operation unit 347, and a control unit 350 ).

The housing 310 includes a housing body 311 with an open top surface, and a housing cover 312 covering the open top surface of the housing body 311, and has a substantially fan-shaped shape with an arcuate front. At least a portion of the housing 310 has a double wall structure. That is, the portion surrounding the blower 333 of the housing 310 includes an inner wall 313a, an outer wall 313b surrounding the inner wall 313a, and a connecting portion 313c connecting the inner wall 313a and the outer wall 313b. ). The inner wall 313a and the outer wall 313b are spaced apart from each other, and an air layer is provided between the inner wall 313a and the outer wall 313b. The housing 310 of the double-walled structure has better sound insulation than the housing of the single-walled structure because the air layer surrounds the periphery of the blower 333. Therefore, it is possible to reduce the operating noise of the blower 333 discharged to the outside of the housing 310. Although not shown in the drawing, various materials for improving sound insulation, such as sound absorbing materials, may be filled between the inner wall 313a and the outer wall 313b.

In the drawing, only the sidewall of the housing body 311 among the housings 310 is shown to have a double wall structure, but the housing 310 may have a double wall structure as a whole or at least a portion surrounding the blower 333.

The housing 310 is provided with a chamber 316, an outside air passage 318, an exhaust part 322, and an outside air inlet part 326. The chamber 316 and the outside air passage 318 are provided inside the housing 310. A plurality of partition walls 314 are provided inside the housing 310, and the chamber 316 and the outside air passage 318 are partitioned by the plurality of partition walls 314. The outside passage 318 is disposed in a shape surrounding the rear and both sides of the chamber 316.

The air intake 320 is disposed in the middle of the lower surface of the housing body 311 so as to be connected to the chamber 316 to introduce indoor air into the chamber 316. The exhaust part 322 is disposed on the front surface of the housing body 311. The exhaust unit 322 discharges the indoor air discharge port 323 for discharging the air in the chamber 316 to the outside of the housing 310 and the outside air flowing along the outside air passage 318 to the outside of the housing 310 It includes an external air discharge port 324 for making. The indoor air outlet 323 is disposed in the middle of the front of the housing body 311 so as to be connected to the chamber 316, and the outside air outlet 324 is provided on both sides of the indoor air outlet 323 on the front of the housing 310. . The indoor air discharge port 323 and the outdoor air discharge port 324 are disposed on the curved front side of the housing 310 so that purified air and external air supplied from the outside can be supplied more efficiently and quickly to the entire room. The outside air passage 318 extends from the outside air inlet 327 toward each outside air outlet 324 to guide the outside air to each outside air outlet 324.

The outside air inlet 326 is disposed on the rear side of the housing body 311 to be connected to the outside air supply pipe 220. The inside of the outside air inlet 326 is provided with an outside air inlet 327 for introducing outside air into the housing 310. In addition, an outside air control damper 329 is installed in the outside air inlet 326.

The outside air control damper 329 adjusts the opening amount of the outside air inlet 327 to change the amount of outside air flowing into the housing 310 through the outside air inlet 327. The outside air control damper 329 includes a damper plate 330 rotatably disposed inside the outside air inlet 326 to open and close the outside air inlet 327, and a damper driver providing rotational force to the damper plate 330 331. The damper driver 331 is controlled by the control unit 350 to rotate the damper plate 330. When the damper plate 330 is rotated to completely close the outside air inlet 327, the flow of outside air through the outside air inlet 327 is blocked. In addition, when the damper plate 330 partially opens the outside air inlet 327, the opening amount of the outside air inlet 327 may be adjusted according to the rotation angle of the damper plate 330.

The blower 333 is installed in the chamber 316 to forcibly blow air from the chamber 316. The blower 333 forcibly blows the air in the chamber 316 so that the air in the chamber 316 is discharged to the outside of the housing 310 through the indoor air outlet 323, and the indoor air through the air intake 320 It may be sucked into the chamber 316. The blower 333 includes a fan 334 and a motor 335 providing rotational force to the fan 334. The fan 334 is disposed above the intake guide 336 installed in the chamber 316 so as to face the air intake 320 and be spaced from the air intake 320. The suction guide 336 serves to guide the indoor air flowing into the chamber 316 through the filter unit 338 toward the blower 333 side. A blower guide 337 is installed between the fan 334 and the motor 335. The blowing guide 337 guides indoor air forcedly blown by the rotation of the fan 334 toward the indoor air outlet 323 side.

The blower 333 is not limited to the illustrated structure, and its specific structure or installation location may be variously changed. Although the drawing shows that the blower 333 is disposed in the chamber 316, the installation position of the blower 333 is changed to various other positions among the air flow paths between the air intake 320 and the indoor air outlet 323. Can be.

The filter unit 338 is installed in the air intake 320 to filter the indoor air sucked into the chamber 316. The filter unit 338 includes a filter unit 339 for filtering indoor air and a grill 340 supporting the filter unit 339. As the filter unit 339, a variety of air filtering functions such as a pre-filter, an activated carbon filter, an electrostatic precipitating filter, and an anion generator can be used. The grill 340 is provided with a plurality of through holes 341 through which indoor air can pass, and a mounting groove 342 connected with the plurality of through holes 341 so that the filter unit 339 can be mounted. The grill 340 is detachably coupled to the air intake 320. The user can easily clean or replace the filter unit 339 by removing the grill 340 from the air intake 320.

The filter unit 338 is not limited to the illustrated structure, and its specific structure or installation location may be variously changed. Although the drawing shows that the filter unit 338 is disposed at the air intake port 320, the installation position of the filter unit 338 is different from the air flow path between the air intake port 320 and the indoor air outlet port 323. It can be changed to a location.

The air flow measuring device 343 is installed in the housing 310 to measure the flow rate of air flowing into the inside of the housing 310 through the outside air inlet 327 to generate a detection signal. The air flow measurement device 343 includes an outside air introduction pipe 344 through which outside air can be introduced, and a sensor unit 345 connected to the outside air introduction pipe 344. The end of the outside air introduction pipe 344 is provided with an outside air inlet 344a through which the outside air passing through the outside air inlet 327 can be introduced.

The outside air introduction pipe 344 is arranged such that the outside air introduction port 344a faces the direction in which the outside air is supplied through the outside air inlet 327. That is, as shown in FIG. 7, a portion of the outside air introduction pipe 344 in which the outside air introduction port 344a is formed is disposed parallel to the flow direction of the outside air passing through the outside air inlet 327. As described above, the outside air inlet 344a of the outside air introduction pipe 344 is disposed toward the outside air inlet 327, so that the outside air flowing into the housing 310 from the outside air inlet 327 is directly transferred to the outside air inlet 344a. Can be introduced.

The sensor unit 345 detects the flow rate or hydraulic pressure of the outside air flowing into the outside air introduction pipe 344 and transmits a detection signal to the control unit 350. The sensor unit 345 may detect the flow rate or hydraulic pressure of the outside air to detect the flow rate of the outside air flowing into the housing 310 through the outside air inlet 327. The detection signal of the sensor unit 345 may be used as a feedback control signal when the control unit 350 controls the outside air control damper 329. That is, the control unit 350 receives the detection signal from the air volume measurement device 343 and accurately controls the outdoor air adjustment damper 329 to adjust the flow rate of the outside air through the outside air inlet 327 to match the set flow rate.

The manipulation unit 347 is disposed outside the housing 310 for user manipulation. The operation unit 347 includes a plurality of operation buttons 348a, 348b, 348c, 348d, 348e, which are installed to be exposed to the lower surface of the housing 310. The user can select operations such as on / off state of the air purifier 300, operation mode switching, etc. by operating the operation buttons 348a, 348b, 348c, 348d, 348e.

The control unit 350 controls the overall operation of the air purifier 300, such as the operation of the external air adjustment damper 329 or the operation of the blower 333. The control unit 350 receives a detection signal from the air volume measurement device 343. When the air flow measurement device 343 transmits a detection signal to the control unit 350, the control unit 350 can control the external air conditioning damper 329 using the detection signal of the air flow measurement device 343 as a feedback control signal. .

In addition, the control unit 350 may control the outside air control damper 329 according to the detection signal of the air quality measuring device 400 to adjust the air volume of the outside air supplied through the outside air inlet 326. That is, when the detection signal of the air quality measuring device 400 is transmitted to the indoor control unit 500, the indoor control unit 500 transmits a control signal to the control unit 350 of the air cleaner 300, so that the control unit 350 controls the external air damper. (329) can be controlled. Alternatively, the control unit 350 of the air cleaner 300 may control the external air conditioning damper 329 by receiving a detection signal directly from the air quality measuring device 400.

1 and 2, the air quality measuring device 400 is installed in the living space of the room where the air cleaner 300 is installed to measure the air quality in the room. The air quality measuring device 400 measures the amount of various human harmful components contained in the indoor air, such as the amount of carbon dioxide and fine dust in the indoor air, and various ones capable of generating a detection signal may be used.

The indoor control unit 500 controls the outdoor air supply device 200 according to the detection signal of the air quality measurement device 400 to control the supply of the outdoor air through the outdoor air supply device 200. The indoor control unit 500 includes a plurality of individual control units 510 that can individually control each of the plurality of air purifiers 300, and a central control unit 520 that can collectively control the plurality of air purifiers 300. It includes. The plurality of air cleaners 300 installed in the room may be individually controlled independently by a user operating each individual control unit 510.

In addition, the plurality of air cleaners 300 may be automatically controlled collectively by the central control unit 520. That is, the central control unit 520 may receive the respective detection signals from the plurality of air quality measuring devices 400, and control the air cleaners 300 so that suitable air is supplied to each of the plurality of air cleaners 300, respectively. have.

For example, when the amount of carbon dioxide or human harmful components detected by the plurality of air quality measuring devices 400 differs according to each living space in the room, the central control unit 520 has a relatively large amount of carbon dioxide or human harmful components. Each air purifier 300 may be controlled such that a relatively large amount of outside air is supplied to the living space, and a relatively small amount of outside air is supplied to the living space having a relatively small amount of carbon dioxide or harmful components.

That is, the air purifier 300 in the living space where the amount of carbon dioxide or the human harmful component is relatively large increases the amount of opening of the outside air inlet 327 by the outside air control damper 329 so that a relatively large amount of outside air can be supplied. Is controlled. On the other hand, the air purifier 300 in the living space where the amount of carbon dioxide or the amount of harmful components in the human body is relatively small reduces the opening amount of the outside air inlet 327 by the outside air control damper 329 so that a relatively small amount of outside air can be supplied. Is controlled. At this time, each air purifier 300 measures the amount of outside air flowing into the housing 310 through the air volume measuring device 343 in real time, and adjusts the outside air so as to be supplied with the amount of outside air set by the central control unit 520. (329) can be controlled.

The outside air supplied to each air cleaner 300 is discharged into the room through the outside air outlet 324 of each air cleaner 300, and the indoor air is discharged through the indoor air discharge pipe 230. Therefore, the amount of carbon dioxide in the room or the amount of harmful components in the human body is reduced. In this process, the air quality measuring device 400 measures the air pollution level of the living space in real time and transmits a detection signal to the central control unit 520, so that the central control unit 520 adjusts each air according to the change in the indoor air pollution level. The amount of outside air supplied to the purifier 300 may be adjusted in real time.

As described above, the indoor air cleaning system 100 according to an embodiment of the present invention supplies indoor air by supplying outside air to the room through the air cleaner 300 while purifying the indoor air with the air cleaner 300 It can be cleaned more quickly and efficiently. This effect is possible because the air purifier 300 according to the present invention is fixedly installed indoors and connected to the external air supply pipe 220 for supplying outdoor air.

In addition, the indoor air cleaning system 100 according to an embodiment of the present invention is an air quality measuring device 400 installed indoors to measure the amount of carbon dioxide or harmful components contained in indoor air, and the air quality measuring device 400 By controlling the outdoor air supply device 200 and the air purifier 300 according to the detection signal of, it is possible to adjust the amount of outdoor air supplied to the room through the air purifier 300 in real time according to the degree of contamination of the indoor air. Therefore, it is possible to automatically maintain the indoor air pollution level below a preset level.

In addition, the air purifier 300 according to an embodiment of the present invention is fixed to the ceiling or wall of the building to be spaced from the indoor floor of the building, thereby reducing the installation space indoors compared to the conventional stand-type air purifier, Filtration efficiency of airborne contaminants can be improved. In addition, there is no problem that a child's hand falls over or breaks down due to misoperation, such as a conventional stand-type air purifier. In addition, the outside air supplied from the outside can be supplied to the entire room more efficiently and quickly.

On the other hand, Figure 9 shows a modification of the indoor air cleaning system according to the present invention.

In the indoor air cleaning system 600 illustrated in FIG. 9, the indoor control unit 610 for controlling the outdoor air supply device 200 and the air cleaner 300 includes an individual control unit 510 without a central control unit. The individual control unit 510 individually controls the air purifier 300. When the detection signal of the air quality measuring device 400 is transmitted to the individual control unit 510, the individual control unit 510 according to the detection signal of the air quality measuring device 400, the external air supply device 200 and the air purifier 300 You can control the amount of outside air supplied to the room.

The present invention has been described as a preferred example, but the scope of the present invention is not limited to the form described and illustrated above.

For example, although the drawing shows that the outdoor air supply device 200 includes a heat exchanger 210, an outdoor air supply pipe 220, and an indoor air exhaust pipe 230, the outdoor air supply device 200 is an air purifier. It can be changed to various other structures that can supply the outside air to 300.

In addition, the chamber 316 provided in the air purifier 300, the outside air passage 318, the air intake 320, the indoor air outlet 323, the outside air outlet 324, and the outside air inlet 327 With, the positions of the blower 333, the filter unit 338, the air flow measurement device 343, the operation unit 347, and the like are not limited to those shown and may be variously changed.

So far, the present invention has been shown and described with reference to preferred embodiments for illustrating the principles of the present invention, but the present invention is not limited to the configuration and operation as described and described as such. Rather, it will be understood by those skilled in the art to which the present invention pertains that many changes and modifications to the present invention are possible without departing from the spirit and scope of the appended claims.

100, 600: indoor air cleaning system 200: outdoor air supply
210: heat exchanger 211: case
212: heat exchange unit 213: air filter
220: outside air supply pipe 230: indoor air discharge pipe
231: indoor air intake 300: air cleaner
310: housing 314: partition wall
316: chamber 318: outside passage
320: air intake 322: exhaust
323: indoor air outlet 324: outdoor air outlet
326: outside air inlet 327: outside air inlet
329: outdoor control damper 333: blower
337: Blowing guide 338: Filter unit
339: filter unit 340: grill
343: air flow measurement device 344: outside air introduction pipe
345: sensor unit 347: operation unit
350: control unit 400: air quality measuring device
500, 610: Indoor control unit 510: Individual control unit
520: central control unit

Claims (11)

A housing fixed to the building so as to be separated from the indoor floor of the building;
A chamber provided inside the housing;
An air inlet provided on an outer surface of the housing to be connected to the chamber to introduce indoor air to the chamber;
An indoor air discharge port formed on an outer surface of the housing to be connected to the chamber to discharge air from the chamber to the outside of the housing;
A blower disposed in the air flow path between the air intake and the indoor air outlet so that indoor air is sucked into the chamber through the air intake and forcibly discharged through the indoor air outlet;
A filter unit having a filter unit disposed in an air flow path between the air intake port and the indoor air outlet port to filter indoor air sucked into the housing by the blower;
An outside air inlet provided on one side of the housing to be connected to an outside air supply pipe for supplying outside air;
An outside air passage provided inside the housing to guide the outside air flowing into the outside air inlet to be separated from the chamber; And
And an outside air discharge port formed on an outer surface of the housing so as to be connected to the outside air passage to discharge outside air flowing along the outside air passage to the outside of the housing.
According to claim 1,
An outside air control damper installed to adjust the opening amount of the outside air inlet to change the amount of outside air flowing into the housing;
An air volume measuring device for measuring a flow rate of air supplied through the outside air inlet and generating a detection signal; And
And a control unit for controlling the external air adjustment damper by using the detection signal of the air volume measurement device as a feedback control signal.
According to claim 2,
The air volume measuring device,
An external air introduction port through which the external air passing through the outdoor air inlet is introduced is provided at an end, and the outdoor air introduction pipe is disposed in the housing so that the outdoor air introduction port faces a direction in which the outdoor air is supplied through the outdoor air inlet,
And a sensor unit that generates a detection signal according to the flow rate or hydraulic pressure of the outside air flowing into the outside air introduction pipe and transmits it to the control unit.
According to claim 1,
The air intake is formed on the lower surface of the housing, the indoor air outlet is provided in the middle of the front of the housing, the outside air outlet is disposed on both sides of the indoor air outlet in the front of the housing, the outside air passage is the outside air The air purifier, characterized in that extending from the inlet to the respective outside air outlet side.
The method of claim 4,
The filter unit,
Air that is detachably coupled to the air intake, and provided with a mounting groove in which the filter part is mounted inside, and includes a grill having a plurality of through holes through which the indoor air can pass through the mounting groove. Purifier.
The method of claim 5,
The blower includes a fan rotatably disposed inside the housing to face the filter unit and spaced apart, and a motor providing rotational force to the fan,
An air purifier characterized in that a blower guide is installed between the fan and the motor to guide the indoor air passing through the filter unit toward the indoor air outlet.
The method of claim 4,
The air purifier, characterized in that the front surface of the housing has an arcuate shape.
According to claim 1,
The housing, the air purifier, characterized in that at least a portion surrounding the blower comprises an inner wall, an outer wall spaced from the inner wall and surrounding the inner wall, and a connecting portion connecting the inner wall and the outer wall. .
An air purifier fixedly installed in the building so as to be separated from the indoor floor of the building;
An outside air supply device having an outside air supply pipe connected to the air purifier and supplying outside air to the air purifier through the outside air supply pipe;
An air quality measuring device installed in the interior of the building to measure indoor air quality; And
Includes; an indoor control unit for controlling the amount of outside air supplied through the outside air supply device by controlling the outside air supply device according to the detection signal of the air quality measuring device;
The air purifier,
Housing,
A chamber provided inside the housing,
And an air intake provided on the outer surface of the housing to be connected to the chamber for introducing the indoor air into the chamber,
An indoor air discharge port formed on an outer surface of the housing to be connected to the chamber to discharge air from the chamber to the outside of the housing,
A blower disposed in the air flow path between the air intake and the indoor air outlet so that indoor air is sucked into the chamber through the air intake and forcibly discharged through the indoor air outlet;
A filter unit disposed in an air flow path between the air intake and the indoor air outlet so as to filter indoor air sucked into the interior of the housing by the blower;
And the outside air inlet provided on one side of the housing to be connected to the outside air supply pipe for supplying outside air,
An outside air passage provided inside the housing so as to be separated from the chamber and guiding outside air flowing into the outside air inlet;
And an outside air discharge port formed on an outer surface of the housing to be connected to the outside air passage to discharge outside air flowing along the outside air passage to the outside of the housing.
The method of claim 9,
The air purifier,
And the outside air control damper is installed to adjust the opening amount of the outside air inlet to change the amount of outside air flowing into the housing,
An air volume measuring device for measuring a flow rate of air flowing through the outside air inlet and generating a detection signal;
An indoor air cleaning system comprising a control unit controlling the outside air control damper according to the detection signal of the air quality measuring device, and using the detection signal of the air volume measuring device as a feedback control signal.
The method of claim 9,
The external air supply device,
An indoor air discharge pipe extending into a room where the air purifier is installed to discharge indoor air;
Clean air indoors comprising a heat exchange unit for heat exchange between the outside air supplied to the outside air supply pipe and the indoor air discharged to the indoor air discharge pipe, and a heat exchanger having an air filter for filtering outside air flowing into the outside air supply pipe. system.

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