EP1967798B1 - Air conditioner having outlet port - Google Patents

Air conditioner having outlet port Download PDF

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Publication number
EP1967798B1
EP1967798B1 EP07120877.1A EP07120877A EP1967798B1 EP 1967798 B1 EP1967798 B1 EP 1967798B1 EP 07120877 A EP07120877 A EP 07120877A EP 1967798 B1 EP1967798 B1 EP 1967798B1
Authority
EP
European Patent Office
Prior art keywords
air
guide
outlet port
guide part
discharge
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.)
Expired - Fee Related
Application number
EP07120877.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1967798A3 (en
EP1967798A2 (en
Inventor
Dong Won No. 816-1202 Byeokjeokgol-8th-Apt Kim
Jae Man No. 702-503 Salgugol-7th-jindeok Apt. Joo
Seon Uk No. 101-804 SK Apt. Na
Byoung In No. 911-302 Byeokjeokgol-9th Apt. Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1967798A2 publication Critical patent/EP1967798A2/en
Publication of EP1967798A3 publication Critical patent/EP1967798A3/en
Application granted granted Critical
Publication of EP1967798B1 publication Critical patent/EP1967798B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Definitions

  • the present invention relates to an air conditioner, and, more particularly, to an air conditioner where the structure of an outlet port is improved to prevent dew condensation at the outlet port.
  • an air conditioner to air-condition a room includes a heat exchanger and a blower mounted in a main body.
  • An outlet port is formed in an upper front of the main body and an inlet port is formed in a lower front of the main body such that indoor air in a place to be air-conditioned is circulated by convection to accomplish air conditioning.
  • FIG. 1 is a sectional view illustrating an outlet port of a conventional air conditioner.
  • the conventional air conditioner includes an outlet port 1 to discharge air-conditioned air, a blowing fan 5 mounted inside the outlet port 1 to blow air-conditioned air to the outlet port 1, and blades 6 to control the direction of air discharged by the blowing fan 5.
  • Korean Registered Utility Model No. 20-0258460 discloses an air conditioner that is capable of preventing dew condensation.
  • This air conditioner includes a guide 2 forming a discharge channel to guide air to the outlet port 1 side, a discharge boundary 3 formed adjacent to the outlet port 1 to face indoor air, and an arc-shaped curve 4 formed between the guide 2 and the discharge boundary 3 and having a predetermined curvature.
  • Low-temperature air discharged by the blowing fan 5 passes through the guide 2 and flows to the discharge boundary 3 along the curve 4.
  • the low-temperature discharged air does not mix with high-temperature and high-humidity ambient air at the curve 4, and therefore, dew condensation at the curve 4 is prevented.
  • the low-temperature discharged air mixes with high-temperature and high-humidity ambient air at the discharge boundary 3 with the result that dew condensation occurs at the discharge boundary 3. That is, the discharge boundary 3 contacts indoor air, and therefore, dew condensation occurs at the discharge boundary 3. Consequently, it is necessary for a user to remove dew condensed at the discharge boundary 3, which increases the inconvenience of the user and decreases a consumer's satisfaction.
  • Reference GB 2 090 964 A describes a ventilating air distributing device, which can be used together with an air conditioning system.
  • the ventilating air distributing device comprises an outer tube, which has at its outflow end a rounding enlarging the diameter of the tube. Connected concentrically, at the outflow end, to the rounding of the outer tube is a collar, which comprises successively a cylindrical portion, a frusto conical portion and an annular disk.
  • Reference GB 2 301 411 A relates to a heating, ventilating and air conditioning system.
  • a diffuser is formed as a plurality of interconnected concentric components, wherein the diffuser may comprise a central portion which defines a bar through which a securing screw is passed in order to mount the diffuser on a support bar.
  • an air conditioner including an outlet port to discharge air and a guide forming a discharge channel to guide air to an outlet port side, wherein the guide is formed in a step shape to expand the discharge channel.
  • the guide includes a first guide part forming the discharge channel and a second guide part connected to the first guide part, the second guide part having a step to expand the discharge channel.
  • a step is formed between the first guide part and the second guide part.
  • the discharge channel has a central axis and the second guide part is inclined at a first predetermined angle ⁇ 1 to the central axis of the discharge channel.
  • the guide includes an incline connected to the second guide part, the incline being inclined at a predetermined angle ⁇ 2 to the central axis of the discharge channel.
  • an air conditioner including a guide forming a discharge channel to guide air, an outlet port to discharge the air guided by the guide, and a discharge boundary formed adjacent to the outlet port to face indoor air, where the guide is formed in a shape to expand the discharge channel such that dew condensation is prevented at the discharge boundary.
  • the guide includes a first guide part forming the discharge channel and a second guide part connected to the first guide part, the second guide part having a step to expand the discharge channel.
  • the guide includes an incline inclined at a predetermined angle ⁇ 2 to the central axis of the discharge channel, and the second guide part is inclined at a predetermined angle ⁇ 1 to the central axis of the discharge channel.
  • the inclined angle ⁇ 1 of the second guide part is less than the inclined angle ⁇ 2 of the incline.
  • an air conditioner including an outlet port having a stepped guide; a discharge boundary adjacent the outlet port; and a fan blowing air through the outlet port, where the stepped guide is inclined with respect to the discharge boundary.
  • FIG. 2 is a perspective view illustrating an air conditioner according to the present embodiment.
  • the air conditioner includes an outlet port 10 formed in an upper part of a main body 50 to discharge air cooled or heated while passing through the main body 50 into a room, an air flow direction control unit mounted inside the outlet port 10 to control the flow direction of the air-conditioned air, and a guide 20 forming a discharge channel to guide the air to the outlet port 10 side.
  • the guide 20 is formed in a step shape to expand a discharge channel toward the outlet port 10.
  • the outlet port 10 is formed in an upper part of a front panel 51 mounted at the upper part of the main body 50.
  • the outlet port 10 is disposed at an end of the guide 20 forming the discharge channel, through which the air-conditioned air flows to the room side.
  • a discharge boundary 30 (shown in Fig. 3 ) is formed adjacent to the outlet port 10.
  • the air flow direction control unit includes a plurality of horizontal blades 56 mounted inside the outlet port 10 to control the vertical flow direction of the air-conditioned air, a plurality of vertical blades (not shown) mounted at the rear of the horizontal blades 56 to control a horizontal flow direction of the air-conditioned air, and a motor (not shown) to drive the horizontal blades 56 and the vertical blades.
  • FIG. 3 is a partial sectional view illustrating the outlet port side of the air conditioner according to the present embodiment.
  • a guide 20 includes a first guide part 21 formed in parallel with the central axis 24 of the outlet port 10 to guide air-conditioned air to the room side while contacting the air-conditioned air, and a second guide part 22 connected to the first guide part 21 and formed in the sectional shape of a step to expand the discharge channel.
  • the second guide part 22 is inclined at a predetermined angle ⁇ 1 to the central axis 24 of the outlet port 10, and thus inclined with respect to the first guide part 21.
  • the guide 10 further includes an incline 23 connected to the second guide part 22 such that the incline 23 is inclined at a predetermined angle ⁇ 2 to the central axis 24 of the outlet port 10.
  • FIG. 4 is an enlarged view of part A of FIG. 3 illustrating the flow of the discharged air and indoor air at the outlet port side of the air conditioner according to the present embodiment.
  • the first guide part 21 forms the discharge channel in parallel with the central axis 24 of the outlet port 10, and therefore, the air-conditioned air moves to the room side while contacting the first guide part 21.
  • the step is formed between the first guide part 21 and the second guide part 22 to expand the discharge channel. Consequently, when moving from the first guide part 21 to the second guide part 22, the air-conditioned air creates whirlpools at the step.
  • the second guide part 22 is connected to the first guide part 21 such that the step is formed between the first guide part 21 and the second guide part 22, and the second guide part 22 is inclined at the predetermined angle ⁇ 1 to the central axis 24 of the outlet port 10 to expand the discharge channel.
  • the incline 23 is connected to the second guide part 22 such that the incline 23 is inclined at the predetermined angle ⁇ 2 to the central axis 24 of the outlet port 10.
  • the amount of discharged air contacting the first guide part 21 per unit time greatly reduces, and therefore, it is difficult to cool the incline 23 by the discharged air.
  • the inclined angle ⁇ 2 of the incline is greater than the inclined angle ⁇ 1 of the second guide part 22, it is further difficult to cool the incline 23 using the discharged air.
  • the discharge speed of the air-conditioned air is greater than the free movement speed of indoor air with the result that the pressure of the discharged air is lower than that of the indoor air. Consequently, indoor air moves toward the discharge channel of the discharged air. As a result, indoor air moves between the incline 23 and the discharged air moving along the discharge channel, whereby the indoor air is introduced to the second guide part 22 side.
  • the amount of the air-conditioned air i.e., the cool air
  • a large amount of air-conditioned air does not move to the discharge boundary 30.
  • the air-conditioned air does not mix with indoor air at the discharge boundary 30, thereby preventing dew condensation at the discharge boundary 30.
  • the air-conditioned air does mix with indoor air due to the whirlpools of the air-conditioned air caused by the step formed between the first guide part 21 and the second guide part 22 and due to the introduction of the indoor air to the second guide part 22 side.
  • the result is that dew condensation occurs at the second guide part 22 side.
  • the amount of condensed dew is very small, and therefore, the condensed dew does not drop or is not dispersed by the discharged air.
  • the present embodiment has the effect of preventing dew condensation at the outlet port and thus eliminating the necessity for a user to remove dew, thereby increasing consumer's satisfaction of the products.
  • the present embodiment has the effect of preventing contamination due to various kinds of dust generated by dew condensation at the outlet port.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP07120877.1A 2007-03-06 2007-11-16 Air conditioner having outlet port Expired - Fee Related EP1967798B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070022216A KR20080081759A (ko) 2007-03-06 2007-03-06 공기조화기

Publications (3)

Publication Number Publication Date
EP1967798A2 EP1967798A2 (en) 2008-09-10
EP1967798A3 EP1967798A3 (en) 2011-01-19
EP1967798B1 true EP1967798B1 (en) 2013-04-17

Family

ID=39431026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07120877.1A Expired - Fee Related EP1967798B1 (en) 2007-03-06 2007-11-16 Air conditioner having outlet port

Country Status (5)

Country Link
US (1) US20080220713A1 (ja)
EP (1) EP1967798B1 (ja)
JP (1) JP4620106B2 (ja)
KR (1) KR20080081759A (ja)
CN (1) CN101261031B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007004497U1 (de) * 2007-03-23 2007-05-31 Big Dutchman International Gmbh Zuluftventil für Stallgebäude
TWI425346B (zh) * 2009-12-17 2014-02-01 Delta Electronics Inc 貨櫃式資料中心之環境調節系統及調節方法
GB2488518A (en) * 2011-02-16 2012-09-05 Khay Seng Ngan Air conditioner outlet that prevents condensation developing at the outlet of an air conditioner
JP5516666B2 (ja) * 2012-07-26 2014-06-11 ダイキン工業株式会社 空調室内機
MY177936A (en) * 2013-10-04 2020-09-28 Sharp Kk Air conditioner
KR101620220B1 (ko) 2014-11-18 2016-05-13 현대자동차주식회사 공조장치의 토출공기 온도감지장치
KR101554722B1 (ko) * 2015-01-23 2015-09-21 황용희 풍량 가변장치를 구비하는 공기조화기
JP2017227398A (ja) * 2016-06-23 2017-12-28 株式会社富士通ゼネラル 空気調和機
US11149966B2 (en) * 2017-03-09 2021-10-19 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus
CN111649469B (zh) * 2020-04-26 2021-11-09 宁波奥克斯电气股份有限公司 一种空调器导风门结构与控制方法

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Also Published As

Publication number Publication date
EP1967798A3 (en) 2011-01-19
CN101261031B (zh) 2010-06-16
KR20080081759A (ko) 2008-09-10
JP4620106B2 (ja) 2011-01-26
US20080220713A1 (en) 2008-09-11
EP1967798A2 (en) 2008-09-10
JP2008215801A (ja) 2008-09-18
CN101261031A (zh) 2008-09-10

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