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WO2020153699A1 - Dispositif intérieur de climatiseur - Google Patents

Dispositif intérieur de climatiseur Download PDF

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Publication number
WO2020153699A1
WO2020153699A1 PCT/KR2020/000987 KR2020000987W WO2020153699A1 WO 2020153699 A1 WO2020153699 A1 WO 2020153699A1 KR 2020000987 W KR2020000987 W KR 2020000987W WO 2020153699 A1 WO2020153699 A1 WO 2020153699A1
Authority
WO
WIPO (PCT)
Prior art keywords
space
dust sensor
case
air
air conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/000987
Other languages
English (en)
Korean (ko)
Inventor
오지혜
서범수
정여지
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2020153699A1 publication Critical patent/WO2020153699A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • 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
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content

Definitions

  • the present invention relates to an indoor unit of an air conditioner, and more particularly, to a dust sensor mounted on the indoor unit.
  • the dust sensor is a sensor that measures the concentration of dust in the air.
  • the dust sensor heats the air inside the dust sensor with a heater disposed inside the dust sensor, and discharges the heated air to the dust sensor outlet.
  • the dust sensor may measure the concentration of dust contained in the air flowing into the dust sensor inlet as the internal air is discharged through the dust sensor outlet by the heater.
  • the reliability of the measurement of the dust concentration may vary depending on the speed of the incoming air.
  • the air flow inside the dust sensor is formed only through the process of heating the internal air with a heater disposed inside the dust sensor and discharging it to the discharge port. Since it is formed below a certain level, the reliability of the measurement for the dust concentration can be increased.
  • the dust sensor is mounted on an indoor unit disposed in the room to form air flow in the indoor space, and can measure the concentration of dust in the indoor space.
  • the indoor unit of the air conditioner includes a case including an upper surface installed on the ceiling surface of the indoor space and a circumferential surface extending downward from the upper surface and exposed to the indoor space; A lower panel disposed on the lower surface of the case, forming a suction port, and forming a discharge port between the case; A blowing module disposed inside the case and flowing air inside the case from the suction port to the discharge port; A heat exchanger for exchanging air flowing into the outlet by the blower module with a refrigerant; And a dust sensor module disposed on one side of the circumferential surface of the case to detect the dust concentration in the indoor space, wherein the dust sensor module controls the dust concentration in the air flowing into the dust sensor suction port and discharged to the dust sensor discharge port.
  • first opening portion communicating the outer space of the case and the first space, and a second opening portion communicating the outer space of the case with the second space are formed, and the second opening portion , It is disposed on the upper side of the first opening, the first space and the second space can communicate with the outside, respectively.
  • the housing includes a partition wall in which the dust sensor mounting portion and the first space are partitioned, and a suction communication hole and a discharge communication hole are formed in a portion where the dust sensor suction port and the dust sensor discharge port are formed.
  • the air conditioner according to the present invention is a ceiling type indoor unit in which the case is installed on the ceiling surface of the indoor space, and has a structure in which the circumferential surface of the case is exposed.
  • a dust sensor module including a dust sensor is mounted on one side of the circumferential surface where the air flow is relatively small compared to the lower panel, and the dust concentration measured by the dust sensor. It has the advantage of increasing the reliability.
  • the first space in which the dust sensor measures the dust concentration forms a structure in which external air flows in through the second space, so that the external air flows through the second space into the first space, so the dust sensor measures dust. Since the flow velocity of the air in the said space is further reduced, the reliability of the dust concentration measurement has an advantage.
  • FIG. 2 is a top perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • FIG. 3 is a side sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • FIG. 5 is an external perspective view of a dust sensor module according to an embodiment of the present invention.
  • the case 10 includes an inner case 14 forming a space in which the blowing module 21 and the heat exchanger 26 are disposed, and an outer case disposed outside the inner case 14 to form an outer circumferential surface 10b. (12).
  • the inner case 14 and the outer case 12 may be connected in one configuration, or may be formed in a combination of multiple configurations.
  • the inner case 14 and the outer case 12 are classified based on the arrangement, and the fastening relationship between components is not classified.
  • the inner case 14 can guide the air flowing by the blowing fan 22.
  • the inner case 14 forms a space in which the blowing fan 22, the fan motor 24, and the heat exchanger 26 are disposed.
  • the outer case 12 is disposed outside the inner case 14.
  • the outer case 12 may include a circumferential surface 10b disposed in an outer radial direction of the indoor unit.
  • the outer case 12 may be formed in a direction in which the width of the cross section increases from the upper side to the lower side.
  • the outer case 12 includes an outer case-top 12b1 in which the width of the cross section increases from the upper side to the lower side, and an outer case-lower portion 12b2 in which the width of the cross-section is maintained or decreased as it goes from the upper side to the lower side.
  • the outer case 12 according to the present embodiment is a structure in which the outer case 12 is exposed to the outside when the indoor unit is mounted in an indoor space. Accordingly, when the air in the indoor space flows due to the operation of the indoor unit, air may flow from the upper side to the lower side along the circumferential surface of the outer case 12 in the circumference of the outer case 12.
  • the second opening 58 for the second space S2 to communicate with the outside of the outer case 12 may be formed above the first space S1. That is, air flowing from the upper side to the lower side along the outside of the outer case 12 may be introduced into the second space S2 through the second opening 58 communicating with the second space S2.
  • the intake panel 16 may be disposed under the opened lower side of the case 10. In the intake panel 16, a plurality of intake ports 16a through which air is introduced into the indoor unit may be formed. A filter (not shown) may be disposed on the intake panel 16 to filter out foreign substances in the intake air.
  • a discharge port 18 may be formed between the suction port panel 16 and the case 10.
  • the inner case 14 according to the present embodiment has a cylindrical shape, forms a circular opening hole downward, and the suction port panel 16 has a disc shape, and the discharge port 18 can have a ring shape. .
  • the blowing module 21 is a blowing fan 22 for flowing air by rotation, a fan motor 24 for rotating the blowing fan 22, and a bell mouse 25 for guiding air sucked by the blowing fan 22 It includes.
  • the fan motor 24 is mounted on the upper surface 10a of the case 10 and rotates the blowing fan 22.
  • the bell mouse 25 may be disposed between the blower fan 22 and the intake panel 16.
  • the heat exchanger 26 is disposed along the periphery of the blower fan 22.
  • the heat exchanger 26 according to the present embodiment may be arranged in a cylindrical shape.
  • a drain pan 28 for temporarily storing and guiding condensate may be disposed under the heat exchanger 26.
  • the drain pan 28 may be mounted on the heat exchanger 26 and may be inclined to guide condensate in one direction.
  • the dust sensor module 50 may be disposed on one side of the outer case 12.
  • the dust sensor module 50 is disposed inside the dust sensor 80 and the circumferential surface 10b to measure the dust concentration in the air introduced into the dust sensor suction port 82 and discharge it to the dust sensor discharge port 84.
  • a first space (S1) forming a certain space in the direction in which the dust sensor intake (82) and the dust sensor discharge port (84) face, inside a circumferential surface (10b), a certain space around the first space (S1) It is formed, and includes a second space (S2) that communicates with the outside of the case 10 and the first space (S1), respectively.
  • the dust sensor 80 is disposed in the inner space of the outer case 12. On one side, the dust sensor 80 forms a dust sensor suction port 82 and a dust sensor discharge port 84. The dust sensor 80 may detect the concentration of dust contained in the air flowing through the dust sensor intake 82.
  • the dust sensor 80 may measure the concentration of dust in the air moving upward by heating the air sucked through the dust sensor intake 82. Therefore, the dust sensor 80 used in the present embodiment may be arranged vertically, the dust sensor suction port 16a is formed on the lower side, and the dust sensor discharge port 18 may be formed on the upper side. Accordingly, the partition wall 62 formed on one side of the dust sensor 80, which will be described below, may also have a vertically formed structure.
  • the dust sensor module 50 is disposed on the circumferential surface 10b, the dust sensor 80 is mounted, the housing 52 forming the first space S1, and the first space formed in the housing 52 It includes a housing cover 64 covering one side of (S1).
  • the housing 52 may be disposed on one side of the outer case 12.
  • the housing 52 may be integrally formed with the outer case 12 or may be formed in a separate configuration from the outer case 12.
  • the housing 52 according to the present embodiment is formed in a separate configuration from the outer case 12 and may have a structure mounted on one side of the outer case 12.
  • a housing cover 64 in which a plurality of communication holes 70, 72, and 74 are formed may be disposed.
  • the first opening 56 and the second opening 58 may communicate with different spaces.
  • the first opening 56 may communicate with the first space S1.
  • the second opening 58 may be in communication with the second space S2.
  • the first opening 56 and the second opening 58 are arranged in the vertical direction from the outer surface 54 forming an inclined surface that is further away from the outer direction toward the lower side. Therefore, the upper end of the dust sensor mounting portion 60 which is vertically arranged can partition the first opening portion 56 and the second opening portion 58.
  • the upper end of the partition wall 62 vertically arranged may partition the first opening 56 and the second opening 58.
  • the first opening 56 is formed in the outer direction of the first space S1.
  • the first opening 56 may have a length corresponding to the height of the dust sensor mounting portion 60 to which the dust sensor 80 is mounted.
  • the second opening 58 may have a grill structure in which a plurality of opening holes 58a are formed in the vertical direction.
  • the second opening 58 communicates the upper space of the dust sensor mounting portion 60 and the outer space of the outer case 12.
  • the second opening 58 communicates the second space S2 and the outer space of the outer case 12.
  • the dust sensor mounting unit 60 forms a partition 62 between the space (?) where the dust sensor 80 is mounted and the first space S1.
  • the upper end of the dust sensor mounting portion 60 is disposed between the first opening portion 56 and the second opening portion 58 of the housing 52 so that the first opening portion 56 and the second opening portion 58 communicate with each other. Space is divided.
  • the upper end of the partition wall 62 is disposed between the first opening 56 and the second opening 58 of the housing 52 to provide a space in which the first opening 56 and the second opening 58 communicate. Compartment.
  • the partition wall 62 may have a vertical shape in consideration of the arrangement of the dust sensor 80. In the partition wall 62, a suction communication hole 62a and a discharge communication hole 62b for communicating the dust sensor suction port 82 and the dust sensor discharge port 84 with the first space S1 may be formed.
  • the suction communication hole 62a and the discharge communication hole 62b may be formed at positions corresponding to the dust sensor suction port 82 and the dust sensor discharge port 84.
  • the housing 52 is disposed between the dust sensor mounting portion 60 and the first opening portion 56, and includes a side grill 78 for communicating the first space S1 and the second space S2.
  • the side grills 78 may be formed on both side surfaces of the first space S1.
  • the side grill 78 may be formed with a plurality of grill holes 78a so that the air in the first space S1 and the second space S2 can communicate.
  • the upper end of the side grill 78 may have a triangular shape, starting from the upper end of the partition wall 62 and increasing in area toward the lower side.
  • the side grill 78 may have a form of a right triangle in contact with the partition wall 62 vertically disposed at one side and the first opening 56 or the housing cover 64 disposed obliquely at the other side.
  • a housing cover 64 in which at least one communication hole 70 or 72 is formed may be disposed in an outer direction of the first space S1 according to the present embodiment.
  • the housing cover 64 may be formed with a plurality of communication holes 70 and 72 and cover the first opening 56 and/or the second opening 58.
  • the housing cover 64 may be combined with the housing 52 in such a way that it is fitted in a portion where the first opening 56 and the second opening 58 are formed on the outer surface 54 of the housing 52.
  • the housing cover 64 may be divided into a lower housing cover 68 covering the first space S1 and an upper housing cover 66 covering the second space S2.
  • the second communication hole 74 may have a shape and arrangement corresponding to a plurality of opening holes 58a formed in the second opening 58.
  • the first space S1 forms a space through which the dust sensor 80 sucks and discharges air.
  • the first space S1 may be formed inside the housing 52 in which the second opening 58 is formed.
  • a partition wall 62 of the dust sensor mounting portion 60 is disposed inside, and a housing cover 64 covering the first opening portion 56 is disposed outside.
  • the first space S1 may be provided with side grills 78 forming grill holes 78a to communicate with the second space S2 on both sides.
  • the heated air discharged from the dust sensor 80 is discharged above the first space S1. Therefore, the air discharged from the dust sensor 80 may be discharged to the outside through the first upper communication hole 70 formed toward the upper side of the first space S1.
  • Air in the second space S2 may be introduced into the lower portion of the first space S1 through the plurality of grill holes 78a formed in the side grill 78.
  • External air may be introduced into the lower space of the first space S1, or the air of the first space S1 may flow outward through the first lower communication hole 72 formed in the lower housing cover 68.
  • the second space S2 may be formed in a space between the outer case 12 and the inner case 14.
  • the second space S2 may be partitioned from the first space S1.
  • the second space S2 may be formed at a position in which the dust sensor 80 is disposed, except for a direction in which the dust sensor 80 faces the first space S1.
  • the second space S2 may communicate with the first space S1 through the side grill 78 of the housing 52.
  • the air in the second space S2 may flow to the first space S1 through the grill hole 78a formed in the side grill 78.
  • the air flowing along the outer side of the outer case 12 may flow into the expanded space of the second space S2 while the flow velocity may be lowered. Accordingly, air having a lower flow rate in the second space S2 may flow to the first space S1.
  • the second opening 58 in the second space S2 and the grill hole 78a formed in the side grill 78 are arranged in a vertical direction, the flow velocity of air flowing into the first space S1 is It may degrade.
  • the indoor unit of the air conditioner according to the present embodiment, a strong air flow is formed around the inlet 16a and the outlet 18 by rotation of the blowing fan 22.
  • air flow is also formed in the circumferential surface of the exposed case 10.
  • a relatively small flow rate may be formed compared to the air flow formed around the inlet 16a and the outlet 18.
  • the flow of air formed outside the outer case 12 may form an air flow flowing in a downward direction by riding on the outer surface of the outer case 12.
  • the air flowing downward on the inclined surface of the outer case 12 through the second opening 58a and the second communication hole 74 formed on the upper part of the dust sensor module 50, the second It can flow into the space (S2).
  • the inside of the second space S2 is a low-pressure space where no air flow is formed, and air flowing downward on the inclined surface of the outer case 12 may be introduced.
  • the flow rate may be relatively reduced.
  • the first upper communication hole 70 In the upper portion of the first space (S1), since the warm air discharged from the dust sensor 80 is discharged to the outside of the outer case 12 through the first upper communication hole 70, the first upper communication hole 70 The air in the second space S2 flows in through the grill hole 78a formed in the side grill 78, which is disposed downward. Since the first space S1 has a shape in which the area of the cross section increases from the upper side to the lower side, the grill hole 78a formed in the side grill 78 also has a hole having a larger size toward the lower side.
  • air in the first space S1 may be discharged to the outside, or external air may be introduced into the first space S1.
  • the air flowing into the first space S1 through the grill hole 78a in the second space S2 and the outer case 12 through the first upper communication hole 70 in the first space S1 Depending on the amount of air flowing outward, air flowing along the outer surface of the outer case 12 flows into the first space S1 through the second communication hole 74 or the air in the first space S1 It may be discharged to the outside through the second communication hole (74). However, even though air flowing along the outer surface of the outer case 12 flows into the first space S1 through the second communication hole 74, the air introduced into the first space S1 is the second space. Since it is mixed with the air introduced through the grill hole 78a in (S2), the flow rate of the air flowing into the dust sensor intake 82 is not rapidly increased.
  • the dust sensor module 50 is disposed on one side of the circumferential surface of the ceiling-type indoor unit where the circumferential surface is exposed, and the dust sensor 80 measures a first space for measuring the concentration of dust ( Since the state in which the air flow rate in S1) is lowered is maintained, reliable dust concentration can be measured.

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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

La présente invention concerne un dispositif intérieur d'un climatiseur. Un dispositif intérieur d'un climatiseur selon la présente invention comprend : un boîtier comprenant une surface supérieure qui se fixe à la surface de plafond d'un espace intérieur, et une surface circonférentielle qui s'étend vers le bas à partir de la surface supérieure et est exposée à l'espace intérieur ; un panneau inférieur qui est disposé sur la surface inférieure du boîtier, et pourvu d'entrées d'aspiration et d'une sortie de décharge entre le boîtier et le panneau inférieur ; un module de soufflante qui est disposé à l'intérieur du boîtier et amène l'air à l'intérieur du boîtier à s'écouler de l'entrée d'aspiration à la sortie de décharge ; un échangeur de chaleur pour échanger de la chaleur avec un fluide frigorigène, l'air s'écoulant vers la sortie de décharge au moyen du module de soufflante ; et un module de capteur de poussière qui est disposé sur un côté de la surface circonférentielle du boîtier et détecte la concentration de poussière de l'espace intérieur. Le module de capteur de poussière comprend : un capteur de poussière pour mesurer la concentration de poussière de l'air qui s'écoule par l'intermédiaire d'entrées d'aspiration de capteur de poussière et évacuée par l'intermédiaire d'une sortie de décharge de capteur de poussière ; un premier espace qui est disposé à l'intérieur de la surface circonférentielle et forme un certain espace dans la direction de l'entrée d'aspiration de capteur de poussière et de la sortie de décharge de capteur de poussière ; et un second espace qui forme, à l'intérieur de la surface circonférentielle, un certain espace divisé à partir du premier espace, et qui est en communication avec l'espace à l'extérieur du boîtier, sur un côté du second espace, et est en communication avec le premier espace, de l'autre côté distingué du premier côté.
PCT/KR2020/000987 2019-01-21 2020-01-21 Dispositif intérieur de climatiseur Ceased WO2020153699A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0007248 2019-01-21
KR1020190007248A KR102580541B1 (ko) 2019-01-21 2019-01-21 공기조화기의 실내기

Publications (1)

Publication Number Publication Date
WO2020153699A1 true WO2020153699A1 (fr) 2020-07-30

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Application Number Title Priority Date Filing Date
PCT/KR2020/000987 Ceased WO2020153699A1 (fr) 2019-01-21 2020-01-21 Dispositif intérieur de climatiseur

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WO (1) WO2020153699A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220087319A (ko) 2020-12-17 2022-06-24 삼성전자주식회사 공기조화기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101171A (ja) * 2002-08-22 2004-04-02 Sanyo Electric Co Ltd 空気調和機
CN201917012U (zh) * 2011-01-17 2011-08-03 松下电器产业株式会社 空调器的室内单元
KR20170083793A (ko) * 2016-01-11 2017-07-19 엘지전자 주식회사 먼지 센서 어셈블리 및 이를 포함하는 천장형 공기조화기
KR20170126177A (ko) * 2016-05-09 2017-11-17 엘지전자 주식회사 천장형 공기 조화기
KR20180084415A (ko) * 2017-01-17 2018-07-25 엘지전자 주식회사 천장형 공기 조화기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6263381B2 (ja) * 2013-12-25 2018-01-17 ダイキン工業株式会社 空気清浄機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101171A (ja) * 2002-08-22 2004-04-02 Sanyo Electric Co Ltd 空気調和機
CN201917012U (zh) * 2011-01-17 2011-08-03 松下电器产业株式会社 空调器的室内单元
KR20170083793A (ko) * 2016-01-11 2017-07-19 엘지전자 주식회사 먼지 센서 어셈블리 및 이를 포함하는 천장형 공기조화기
KR20170126177A (ko) * 2016-05-09 2017-11-17 엘지전자 주식회사 천장형 공기 조화기
KR20180084415A (ko) * 2017-01-17 2018-07-25 엘지전자 주식회사 천장형 공기 조화기

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KR102580541B1 (ko) 2023-09-19
KR20200090345A (ko) 2020-07-29

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