KR101629864B1 - The remote control air-conditioner by central controll type with fine dust removal device - Google Patents

The remote control air-conditioner by central controll type with fine dust removal device Download PDF

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Publication number
KR101629864B1
KR101629864B1 KR1020150158667A KR20150158667A KR101629864B1 KR 101629864 B1 KR101629864 B1 KR 101629864B1 KR 1020150158667 A KR1020150158667 A KR 1020150158667A KR 20150158667 A KR20150158667 A KR 20150158667A KR 101629864 B1 KR101629864 B1 KR 101629864B1
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KR
South Korea
Prior art keywords
fine dust
unit
air
refrigerant
control
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KR1020150158667A
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Korean (ko)
Inventor
이명호
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한국공조엔지니어링 주식회사
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    • F24F11/0017—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/1603—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F2011/0019—
    • F24F2011/0027—

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a central control type air conditioner having a fine dust removing device. Specifically, the central control type air conditioner having the fine dust removing device enables external air to flow inside in accordance with concentration of CO_2 in internal air by being operated. The fine dust removing device installed in a damper drawing the external air inside is automatically mounted thereon when fine dust air concentration of the inflow air is higher than that which is predetermined in advance when the external air flows inside. So, the fine dust of the external air flowing inside can flow inside after being filtered. Also, the air conditioner including the fine dust removing device can control various air blasts and can control a valve of a refrigerant or water cooling source by using only a single central server control unit. The air conditioner having the fine dust removing device can be operated through a wire or wirelessly.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a remote control air conditioner having a fine dust removing device,

The present invention provides a fine dust removing device in the interior to automatically filter the air after entering the room according to the concentration of the outside air fine dust when the air is introduced into the room, and the air conditioner can control the refrigerant and the air Controlled remote control air conditioner having a fine dust removing device that can be operated by wire or wireless.

The air conditioner is installed in order to provide a comfortable indoor environment to humans by discharging cold air to the room to adjust the room temperature and to purify the room air to create a pleasant indoor environment. Generally, the air conditioner includes an indoor unit which is constituted by a heat exchanger and installed in a room, and an outdoor unit which is constituted by a compressor, a heat exchanger and the like and supplies the refrigerant to the indoor unit.

Such an air conditioner is controlled separately by an indoor unit constituted by a heat exchanger, an outdoor unit constituted by a compressor, a heat exchanger and the like, and controlled by a power source supplied to a compressor or a heat exchanger. Also, at least one indoor unit may be connected to the outdoor unit, and the air conditioner is operated in the cooling or heating mode by supplying the refrigerant to the indoor unit according to the requested operation state.

When the liquid refrigerant of high temperature and high pressure is supplied from the compressor of the outdoor unit to the indoor unit through the heat exchanger of the outdoor unit during the cooling operation, the refrigerant expands and vaporizes in the heat exchanger of the indoor unit, When the temperature of the air is lowered and the indoor fan is rotated, the cool air is discharged into the room. When the gas refrigerant of high temperature and high pressure is supplied from the compressor of the outdoor unit to the indoor unit during the heating operation, the gas refrigerant of high temperature and high pressure is liquefied in the heat exchanger of the indoor unit The air warmed by the released energy is discharged to the room according to the operation of the indoor fan.

In other words, the air conditioner exchanges heat between cold water or hot water (sometimes steam), which is a heat medium transferred from a heat source (usually a refrigerator or a boiler), and air introduced from the room (called ventilation-exchanged air) It is a device that sends exchanged air to lower or raise indoor temperature.

At this time, the main substrate used for sending and exchanging heat exchanged air is called a blower, and the blower for sending is called a blower for blower (aka S.F.) and the blower for blowing is called a blower for blowing (aka R.F.).

In an ordinary air conditioner, an air conditioner that uses cold water or hot water (or steam) as a heat medium but uses a refrigerant directly as a heating medium without using a refrigerator or a boiler is called a direct expansion type air conditioner (DX type air conditioner - DX- do. The DX - AHU, which is operated by connecting the DX - AHU with the outdoor unit for EHP (GHP), which is a recent HEAT PUMP system, is called EHP (GHP) type air conditioner. Such an EHP (GHP) type air conditioner (aka AHU) is a suitable system that configures the humidity, clean and air flow necessary for indoor air conditioning as well as air conditioning and heating in a large capacity room by connecting a plurality of outdoor units to one air conditioner It has the same functional principle as a general type air conditioner. Therefore, EHP (GHP) type air conditioner has the advantage of managing air quality without installing additional equipment.

As such an air conditioner system is widely spread, a plurality of indoor units are connected to each of a plurality of outdoor units, and a plurality of air conditioners arranged in a home or a work place are integrated and operated together.

3, the control of humidification, differential pressure, damper, CO 2, etc., which are performed by various sensors and dampers installed in the air conditioner, Was using a method of controlling each PC or the like through respective companies or separate control devices.

This results in an increase in the maintenance cost of the air conditioner and the system overhead and an increase in the installation cost, and there is a problem in that it takes much time to check the complicated procedure and the abnormal part in maintenance and supervision.

In addition, when such an air conditioner is driven, conventionally, since the concentration of fine dusts of the outside air flowing into the room is not checked but is used as it is used as it is, it is used by the outside air to reduce the CO 2 concentration of the room air There was a problem that could lead to more serious respiratory diseases.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a fine dust removing device in an air conditioner (more specifically, an indoor unit) for introducing outside air to reduce CO 2 concentration of room air, When the outside air fine dust concentration is higher than a predetermined fine concentration when the outside air is introduced, the air is automatically installed in the damper to allow the outside air to flow into the room after the fine dust is filtered. Controlled remote control air conditioner having a fine dust removing device configured to enable both a refrigerant and a water-cooling source as well as an airflow-related control through a single central server control unit and to implement the air-conditioning control.

Other objects and advantages of the present invention will be described hereinafter and will be understood by the embodiments of the present invention. Further, the objects and advantages of the present invention can be realized by the means and the combination shown in the claims.

In order to solve the above-mentioned problems, the present invention provides a means for solving the above-mentioned problems, in which a central remotely controllable air conditioner is operated to constantly measure the concentration of fine dust of outside air and the concentration of CO 2 in the indoor air, for less concentration CO 2 concentration is predetermined, circulating the indoor air and, if the CO 2 concentration of the air inside the room is greater than or equal to a predetermined CO 2 concentration, but introducing the outside air into the room, the micro-fine dust concentration of the external air pre-set And the fine dust removing device in which the filter is automatically mounted in the damper causes the outside air to flow into the room after filtration when the dust concentration is more than the dust concentration.

As described above, the present invention has an effect that the fine dust removing device can be installed automatically according to the preset concentration of the fine dust density of the outside air installed in the damper.

In addition, according to the present invention, as fine dusts of the outside air are introduced after filtration by the fine dust removing device, respiratory and viral diseases according to fine dusts can be prevented.

In addition, the air conditioner of the present invention can control the refrigerant-related control of the indoor unit and the outdoor unit and the blowing-related control of the indoor unit at the same time by using only one central server control unit which is a single smart server, There is an effect that can be controlled.

In addition, the air conditioner of the present invention has the effect of enabling the above-described central server control unit to be remotely controlled by wire or wireless.

In addition, the present invention has an effect that it can be used simultaneously with an air-cooled air conditioner as well as a conventional water-cooled air conditioner.

1 is a flow chart of an embodiment of an external air filtering procedure according to a fine dust removing apparatus in an air conditioner according to the present invention.
2 is a conceptual diagram illustrating an air conditioner having a fine dust removing device according to an embodiment of the present invention.
3 is a configuration diagram of an embodiment showing a conventional air conditioner structure.

Before describing in detail several embodiments of the present invention, it will be appreciated that the application is not limited to the details of construction and arrangement of elements set forth in the following detailed description or illustrated in the drawings. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front,""back,""up,""down,""top,""bottom, Expressions and predicates used herein for terms such as "left,"" right, ""lateral," and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation.

The present invention has the following features in order to achieve the above object.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

According to the embodiment of the present invention, the concentration of the fine dust of the outside air and the concentration of CO 2 in the room air are continuously measured in the indoor unit for operating the air conditioner capable of controlling the central remote control, and the CO 2 concentration When the indoor air is circulated and when the CO 2 concentration of the indoor air is equal to or higher than the predetermined CO 2 concentration, the outdoor air is introduced into the room, and when the concentration of the fine dust of the outdoor air is equal to or higher than the predetermined fine dust concentration, The fine dust removing device in which the filter is automatically mounted in the damper causes the outside air to flow into the room after filtration.

Alternatively, the present invention can be applied to an indoor unit (10) and an outdoor unit (20), which are connected to each other to drive and control the outdoor unit (20) in accordance with a preset room temperature and to control the amount of refrigerant flowing from the outdoor unit A refrigerant control communication unit 30 for controlling the refrigerant;

The controller controls the blowing of the indoor unit 10 by controlling the internal device of the indoor unit 10 so as to be connected to the indoor unit 10 and at the same time to the refrigerant control communication unit 30, A central server control unit 40;

Related control through the central server control unit 40 and a refrigerant control and water-cooling source control through the refrigerant control communication unit 30 connected to the central server control unit 40, which are connected to the central server control unit 40 in a wired or wireless manner, A simultaneously operable operating portion 50;

When CO 2 concentration of the air inside the room is greater than or equal to a predetermined CO 2 concentration than if provided in the indoor unit 10 for introducing the outside air into the room, the particulate matter concentration of the external air pre particulate matter concentration is set 50ug / m 3, the damper A fine dust removing device for allowing outside air to flow into the room after filtration; .

Also, the preset CO 2 concentration of the room air is 1000 PPM, the predetermined fine dust particles are PM 2.5, and the fine dust concentration is 50 ug / m 3 .

Also, the internal device is characterized in that it is any one of a filter differential pressure through a differential pressure sensor, an amount of carbon dioxide through a CO 2 sensor, a humidity through a humidity sensor, and a damper operation through a temperature sensor.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A central control type remote control air conditioner having a fine dust removing device according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3. FIG.

An air conditioner (central remote control air conditioner) having a fine dust removing device according to the present invention will now be described.

In the first normal operation (no external air is introduced at the time of initial operation), a known method is used in which the air conditioner is operated to supply the air that has been cooled or heated to the room, and the supplied air is again returned to the air conditioner through the duct .

Then, this while proceeding to the normal operation the CO 2 concentration in the room, the indoor unit (10) by measuring via such carbon dioxide provided inside (CO 2) sensor, CO 2 concentration levels CO 2 concentration in the room is set advance (ex: 1000 PPM), indoor air is circulated in a state where OA (Out Air) and EA (Exhaust Air) dampers of the indoor unit 10 are closed as in the case of the above-

When the CO 2 concentration in the room is measured at a predetermined CO 2 concentration or more, the OA and EA damper are opened to allow outside air to flow into the room, and the air is measured through a fine dust measuring sensor installed in the air conditioner (Reference value, 50 ug / m 3 ) of the external air introduced into the room is equal to or lower than a predetermined fine dust particle (reference value, ex: PM 2.5), the outside air is directly introduced into the room, , A fine dust removing device that is horizontally installed horizontally in the OA damper is operated to be vertically movable in the duct (or damper) so that fine dust of the outside air can be introduced into the room after filtration .

Of course, the carbon dioxide measuring sensor and the fine dust measuring sensor in the air conditioner (the indoor unit 10) are always operated and measured. When the concentration of the carbon dioxide measuring sensor installed in the indoor unit 10 becomes a predetermined concentration or less, The OA and EA dampers are closed and the air cleaner is operated while being horizontally disengaged from the duct so that the fine dust removing device installed vertically in order to remove fine dust in the duct is also prevented from being obstructed by the duct.

In the case of the aforementioned fine dust removing device, it is hinged to a duct or a damper so as to be vertically or horizontally operated in the duct, and the fine dust removing device includes a plurality of filters The filter may be formed to be a single device or a predetermined space, and the type of the filter may be variously changed according to the user's practice, and the installation mode may be ON / OFF It can be installed in various forms besides the hinge and its installation position is not limited as long as the outside air is not introduced into the room.

In addition, the operation of the fine dust removing apparatus is performed by a central server control unit that controls various sensors and operations of the air conditioner. The central server control unit will be described in detail below.

In the case of the fine dust removing apparatus described above, the present invention can be applied to various general air conditioners, but it is applicable to an air conditioner that rejects a central server control unit as described below.

The air conditioner having the central server control unit includes a refrigerant control communication unit 30, a central server control unit 40, and an operation unit 50.

The refrigerant control communication unit 30 corresponds to the communication PCB for the indoor unit 10. The refrigerant control communication unit 30 is connected to the indoor unit 10 in addition to the outdoor unit 20. [

In the case of the refrigerant control communication unit 30, the MCC PANEL 32 (NFB, CT, M / C, ammeter, LAMP thermal relay or EOCR and other relays and operation buttons So as to supply electric power for driving the motor provided on the damper side.

In addition, an electric expansion valve (EEV) 31 is installed in the piping between the refrigerant control communication unit 30 and the indoor unit 10 to control the flow rate of the refrigerant, and the refrigerant control communication unit 30 is connected to the outdoor unit 20 When the refrigerant capacity control (evaporation pressure, refrigerant quantity) is performed while communicating, the opening / closing degree and the opening degree of the electromagnetic expansion valve 31 can be controlled by receiving a signal from the outdoor unit 20.

Of course, in a state in which the indoor unit 10 is being driven, the outdoor unit 20 is operated in accordance with the preset temperature of the room in which the indoor unit 10 is installed, thereby controlling the electronic expansion valve 31 accordingly.

In the case of the refrigerant control communication unit 30, the operation of the refrigerant control communication unit 30 can be controlled through a separate wired remote controller 33 according to an embodiment of the user, and is electrically connected to the central server control unit 40 To be communicated.

In other words, in the case of the refrigerant control communication unit 30, the refrigerant between the outdoor unit 20 and the indoor unit 10 is controlled.

The central server control unit 40 is a controller corresponding to a smart server. The central server control unit 40 is connected to the refrigerant control communication unit 30 and is connected to the indoor unit 10, (10) is controlled by being connected to various internal devices installed in the indoor unit (10).

The internal device is connected to various sensors (a discharge temperature sensor, a temperature sensor, a humidity sensor, an inverter motor, a CO 2 sensor, and the like) and a damper in the indoor unit 10 to perform discharge temperature control, The control of the automatic ventilation, the humidity control operation, and the like can be performed, and the air side control of the indoor unit 10 is possible.

However, since the central server control unit 40 is connected to the refrigerant control communication unit 30 as well as the above-described air (air) control, the central server control unit 40 controls the refrigerant control communication unit 30 So that it is also possible to simultaneously control the refrigerant between the outdoor unit 20 and the indoor unit 10 at the same time.

A plurality of internal devices installed in the indoor unit 10 are separately controlled by a plurality of controllers. In the present invention, however, the air-related indoor unit 10 is operated while simultaneously controlling the refrigerant and air through the single central server control unit 40, Side control can be easily and conveniently performed.

In addition, the central server control unit 40 can also control the water-cooled coil valve 41 of the indoor unit 10 so that it can be used for controlling the existing water-cooled air conditioner.

The mini HMI function is embedded in the central western control unit. If it is difficult to implement such a separate HMI, mini HMI can be implemented using the web in the central server control unit (Mobile App, Tablet App, Mini HMI Embedded.)

The operation unit 50 is connected to the central server control unit 40 and operates as a means for operating the central server control unit 40 through a smart mobile device such as a mobile phone or a tablet PC 51 So that remote control can be made possible by being wirelessly connected or wired to a central control PC 52 in the building so that control (central control) is possible.

In other words, the remote monitoring system can be operated to facilitate the maintenance and operation, and it is easy to maintain and control.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

10: indoor unit 20: outdoor unit
30: Refrigerant control communication unit 31: EEV
32: MCC PANEL 33: Wired remote control
40: central server control unit 41: water-cooled coil valve
50: Operating means 51: Tablet PC
52: Central control PC

Claims (4)

The outdoor unit 20 is connected to the indoor unit 10 of the air conditioner unit and the outdoor unit 20 installed outside the air conditioner unit to drive and control the outdoor unit 20 at a preset room temperature. A refrigerant control communication unit 30 for controlling the amount of movement of the refrigerant and the water-cooling source flowing into the refrigerant circulation unit 30;
The controller controls the blowing of the indoor unit 10 by controlling the internal device of the indoor unit 10 so as to be connected to the indoor unit 10 and at the same time to the refrigerant control communication unit 30, A central server control unit 40;
Related control through the central server control unit 40 and a refrigerant control and water-cooling source control through the refrigerant control communication unit 30 connected to the central server control unit 40, which are connected to the central server control unit 40 in a wired or wireless manner, A simultaneously operable operating portion 50;
(10) for introducing outside air into the room when the concentration of CO 2 in the room air is equal to or higher than a predetermined CO 2 concentration, and when the concentration of fine dust in the outside air is equal to or higher than a predetermined fine dust concentration, And a fine dust removing device for allowing the outside air to flow into the room after filtration,
The preset CO 2 concentration of the indoor air is 1000PPM, the predetermined fine dust particles are PM 2.5, the fine dust concentration is 50ug / m 3 ,
The fine dust removing device is hinged to a duct or a damper so as to be vertically or horizontally operated in the duct. The fine dust removing device includes a plurality of filters, such as a plurality of filters, capable of removing fine dust, Or spaced apart from one another,
Controlled by the internal device is any one of filter differential pressure through a differential pressure sensor, amount of carbon dioxide through a CO 2 sensor, humidity through a humidity sensor, and damper operation through a temperature sensor,
An electronic expansion valve (EEV) 31 is installed in the piping between the refrigerant control communication unit 30 and the indoor unit 10 to control the flow rate of the refrigerant. The refrigerant control communication unit 30 communicates with the outdoor unit 20 The opening degree and the opening degree of the electromagnetic expansion valve 31 are controlled by receiving the signal from the outdoor unit 20 when controlling the refrigerant capacity such as the evaporation pressure or the refrigerant quantity,
The internal device includes a discharge temperature sensor, a temperature sensor, a humidity sensor, an inverter motor, a CO 2 sensor, and a damper installed in the indoor unit 10 and is connected to the internal device to control the discharge temperature, Ventilation, humidity control operation, and the like can be controlled by controlling the operation of the air conditioner.
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KR1020150158667A 2015-11-12 2015-11-12 The remote control air-conditioner by central controll type with fine dust removal device KR101629864B1 (en)

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CN106403020A (en) * 2016-08-29 2017-02-15 广东遂联智能装备制造有限公司 Combined type indoor air treatment device and using method thereof
KR101866861B1 (en) 2017-09-26 2018-06-12 덕산메카시스 주식회사 Indoor environment automatic control system of type of indoor and outdoor environment connection
KR20180078568A (en) * 2016-12-30 2018-07-10 대우조선해양 주식회사 The air filtration unit system preparing for CBRN(chemical, biological, radiological or nuclear) situation in ship and the air filtration method using thereof
KR102056452B1 (en) * 2019-06-26 2019-12-16 주식회사 세원기연 Air conditioner having damper and filter capable of active contorolling based on air qualiry of indoor circulation air and external inflow air
KR20200055859A (en) 2018-11-13 2020-05-22 한국공조엔지니어링 주식회사 Clonductive capacitive super-thin fine dust filter for air purifier and equipped with an air purifier
CN111853949A (en) * 2020-08-13 2020-10-30 海信（山东）空调有限公司 Air conditioner indoor unit and control method of fresh air function of air conditioner
CN111853948A (en) * 2020-08-13 2020-10-30 海信（山东）空调有限公司 Air conditioner indoor unit and control method of fresh air function of air conditioner
KR20200129822A (en) 2019-05-10 2020-11-18 (주)에스엔 Cloud-based finedust cleaning system and method for operating thereof
KR20200135671A (en) 2019-05-24 2020-12-03 한국공조엔지니어링 주식회사 Air Conditioning System with Outdoor Air Fine Dust Treatment System with Fine Dust Filter Mobile Device
KR20210006666A (en) 2019-07-09 2021-01-19 한국토지주택공사 Indoor air quality control system
KR20210142349A (en) 2020-05-18 2021-11-25 한국공조엔지니어링 주식회사 Fine dust removal device for large-capacity air conditioner and A large-capacity air conditioner with this

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KR101278245B1 (en) * 2013-03-20 2013-06-24 (주)삼원씨앤지 Air conditioner with function of predictively controlling indoor-air quality
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Cited By (14)

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Publication number Priority date Publication date Assignee Title
CN106403020A (en) * 2016-08-29 2017-02-15 广东遂联智能装备制造有限公司 Combined type indoor air treatment device and using method thereof
KR20180078568A (en) * 2016-12-30 2018-07-10 대우조선해양 주식회사 The air filtration unit system preparing for CBRN(chemical, biological, radiological or nuclear) situation in ship and the air filtration method using thereof
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KR101866861B1 (en) 2017-09-26 2018-06-12 덕산메카시스 주식회사 Indoor environment automatic control system of type of indoor and outdoor environment connection
KR20200055859A (en) 2018-11-13 2020-05-22 한국공조엔지니어링 주식회사 Clonductive capacitive super-thin fine dust filter for air purifier and equipped with an air purifier
KR20200129822A (en) 2019-05-10 2020-11-18 (주)에스엔 Cloud-based finedust cleaning system and method for operating thereof
KR20200135671A (en) 2019-05-24 2020-12-03 한국공조엔지니어링 주식회사 Air Conditioning System with Outdoor Air Fine Dust Treatment System with Fine Dust Filter Mobile Device
KR102056452B1 (en) * 2019-06-26 2019-12-16 주식회사 세원기연 Air conditioner having damper and filter capable of active contorolling based on air qualiry of indoor circulation air and external inflow air
KR20210006666A (en) 2019-07-09 2021-01-19 한국토지주택공사 Indoor air quality control system
KR20210142349A (en) 2020-05-18 2021-11-25 한국공조엔지니어링 주식회사 Fine dust removal device for large-capacity air conditioner and A large-capacity air conditioner with this
CN111853948A (en) * 2020-08-13 2020-10-30 海信（山东）空调有限公司 Air conditioner indoor unit and control method of fresh air function of air conditioner
CN111853949B (en) * 2020-08-13 2024-02-09 海信空调有限公司 Air conditioner indoor unit and control method for fresh air function of air conditioner
CN111853948B (en) * 2020-08-13 2024-02-09 海信空调有限公司 Air conditioner indoor unit and control method for fresh air function of air conditioner
CN111853949A (en) * 2020-08-13 2020-10-30 海信（山东）空调有限公司 Air conditioner indoor unit and control method of fresh air function of air conditioner

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