EP2165121B1 - Outdoor unit of air conditioner - Google Patents

Outdoor unit of air conditioner Download PDF

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Publication number
EP2165121B1
EP2165121B1 EP08723555A EP08723555A EP2165121B1 EP 2165121 B1 EP2165121 B1 EP 2165121B1 EP 08723555 A EP08723555 A EP 08723555A EP 08723555 A EP08723555 A EP 08723555A EP 2165121 B1 EP2165121 B1 EP 2165121B1
Authority
EP
European Patent Office
Prior art keywords
panel
outdoor unit
straight line
guide portion
air
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.)
Not-in-force
Application number
EP08723555A
Other languages
German (de)
French (fr)
Other versions
EP2165121A4 (en
EP2165121A2 (en
Inventor
Sung-Tae Lee
Seong-Min Kang
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 EP2165121A2 publication Critical patent/EP2165121A2/en
Publication of EP2165121A4 publication Critical patent/EP2165121A4/en
Application granted granted Critical
Publication of EP2165121B1 publication Critical patent/EP2165121B1/en
Not-in-force 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • 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
    • F24F13/20—Casings or covers

Definitions

  • the present embodiments relate to an outdoor unit of an air conditioner.
  • an air conditioner is an apparatus cooling/heating an indoor space using a compressor, a condenser, an expander, and an evaporator.
  • the air conditioner includes an indoor unit installed inside the indoor space and an outdoor unit installed outside an outdoor space.
  • the indoor unit and the outdoor unit can be integrally formed depending on the kind of the air conditioner.
  • An indoor heat exchanger and an indoor fan are provided to the indoor unit.
  • a compressor, an outdoor heat exchanger, and an outdoor fan are provided to the outdoor unit.
  • the outdoor unit includes a front panel forming a front appearance. Also, an air discharge hole through which air is discharged is formed in the front panel. Also, a guide portion guiding air blown by the outdoor fan is installed on the inner surface of the front panel. The guide portion is assembled to the front panel using a plurality of coupling members such as screws.
  • JP2001065925A discloses an outdoor unit for an air conditioner having a front surface plate which is foldably connected to a side plate.
  • Embodiments provide an outdoor unit of an air conditioner where a guide portion guiding blown air is integrally formed with a front panel.
  • an outdoor unit of an air conditioner includes: a first panel and a second panel forming an appearance; an air discharge hole formed in the first panel; a blower fan discharging air through the air discharge hole; and a guide portion guiding the discharging of the air, the guide portion being integrally formed with the first panel.
  • the guide portion comprises a straight line portion protruding from the first panel to the rear and a sloped portion extending from a rear end of the straight line portion to a front inside of the straight line portion.
  • a discharge grill is disposed at the air discharge hole and a portion of the discharge grill being located in a space between the straight line portion and the sloped portion and integrally formed with the sloped portion.
  • the guide portion is integrally formed with the first panel (front panel) according to a proposed embodiment, a part for coupling the guide portion is not required, the assembling process of the outdoor unit is simple, and there is no portion where a bell mouse and the front panel overlap each other in a back-and-forth direction, so that manufacturing costs reduce.
  • the first panel can be easily taken out from a mold. That is, an injection molding operation of the first panel is easily performed.
  • FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to an embodiment.
  • FIG. 2 is a cross-sectional view of the front panel illustrated in FIG. 1 .
  • FIG. 3 is a rear perspective view of the front panel illustrated in FIG. 1 .
  • FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to an embodiment
  • FIG. 2 is a cross-sectional view of the front panel illustrated in FIG. 1
  • FIG. 3 is a rear perspective view of the front panel illustrated in FIG. 1 .
  • the outdoor unit 1 of the air conditioner includes a casing forming an appearance.
  • the casing is formed in a hexahedral shape on the whole.
  • the casing includes a plurality of members.
  • the casing a base 4 on which legs are formed, a second panel 6 forming the both lateral side- appearance and the rear side appearance of the outdoor unit 1, and a first panel 10 forming the front appearance and the upper appearance of the outdoor unit 1.
  • the first panel 10 can be called a front panel, and the second panel 6 can be called a rear panel.
  • the first panel 10 includes a front plate 12 forming the front appearance, and an upper plate 14 forming the upper appearance.
  • the front plate 12 and the upper plate 14 are integrally injected-molded using a material such as a synthetic resin.
  • air intake holes 2 are formed in the second panel 6, and an air discharge hole is formed in the front plate 12 of the first panel 10.
  • a suction grill 8 protecting the insides of the air intake holes 2 is formed on the second panel 6, and a discharge grill 16 protecting the inside of the air discharge hole 3 is formed on the front plate 12 of the first panel 10.
  • An outdoor heat exchanger 36 allowing outdoor air and refrigerant inside casing to exchange heat with each other is installed inside the casing 1.
  • the outdoor heat exchanger 36 is located inside the air intake holes 2.
  • an outdoor fan and a motor (not shown) are installed inside the casing 1 to allow outdoor air to be suctioned through the air intake holes 2 and discharged through the air discharge hole 3.
  • a compressor 38 compressing refrigerant is installed inside the casing 1.
  • a guide portion 20 guiding airflow is injection-molded integrally with the first panel 10.
  • the opening area of the guide portion 20 decreases to be a constant level from the rear to the front, that is, toward a portion close to the air intake hole 3. That is, the opening area of the guide portion 20 at the rear end is greater than that of the guide portion 20 at the front end.
  • the guide portion 20 protrudes from the front plate 12 of the first panel 10 to the rear.
  • the guide portion 20 can be formed such that the opening area of the inside increases toward the rear.
  • the guide portion 20 can include a straight line portion 30 protruding from the front plate 12 of the first panel 10 to the rear, and a sloped portion 32 extending from the rear end of the straight line portion 30 to the inner space of the straight line portion 30 such that an inner opening area decreases toward the front.
  • the guide portion 20 directly protrudes from the front plate 12 of the first panel 10 to the rear, it may be difficult to take out the first panel 10 from a mold for manufacturing the first panel 10 due to the shape of the guide portion 20.
  • the guide portion 20 includes the straight line portion 30 and the sloped portion 32, it is relatively easy to take out the first panel 10 from a mold. Accordingly, integrally forming the first panel 10 and the guide portion 20 can be easily performed.
  • the straight line portion 30 serves as a connection portion connecting the front plate 12 of the first panel 10 with the guide portion 20 so that the guide portion 20 can be integrally formed with the front plate 12 of the first panel 10.
  • the straight line portion 30 protrudes from the front plate 12 to the rear in a ring shape.
  • a portion 17 of the discharge grill 16 extends toward the guide portion 20 and is located in a space 31 between the straight line portion 30 and the sloped portion 32.
  • the portion 17 of the discharge grill is integrally formed with the sloped portion 32.
  • another portion 18 of the discharge grill 16 is integrally formed with the front end of the straight line portion 30.
  • the guide portion 20 is integrally formed with the discharge grill 16, it is not shaken or easily destroyed by vibration or impact.
  • the guide portion 20 reinforces strength in cooperation with the discharge grill 16.
  • the first panel 10 includes the front plate 12 and the upper plate 14 integrally formed with each other.
  • Upper strength reinforcing ribs 40 perpendicular to the front plate 12 and the upper plate 14 are formed on the first panel 10.
  • rear strength reinforcing ribs 42 protrude from the front plate 12 of the first panel 10.
  • Reference numeral 44 of FIG. 3 denotes a base coupling portion formed on the lower portion of the front plate 12 of the first panel 10.
  • the base coupling portion is coupled to the base 4 using a coupling member such as a screw.
  • the front plate 12, the upper plate 14, the guide portion 20, and the discharge grill 16, and the strength reinforcing ribs 40 and 42 are integrally injection-molded by putting a material such as a synthetic resin into a mold for manufacturing the front panel.
  • the above-injection molded first panel 10 is coupled to the base 4, and then the second panel 6 is coupled to at least one of the first panel 10 and the base 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Other Air-Conditioning Systems (AREA)

Description

    Technical Field
  • The present embodiments relate to an outdoor unit of an air conditioner.
    • Background Art
  • Generally, an air conditioner is an apparatus cooling/heating an indoor space using a compressor, a condenser, an expander, and an evaporator.
  • The air conditioner includes an indoor unit installed inside the indoor space and an outdoor unit installed outside an outdoor space. The indoor unit and the outdoor unit can be integrally formed depending on the kind of the air conditioner.
  • An indoor heat exchanger and an indoor fan are provided to the indoor unit. A compressor, an outdoor heat exchanger, and an outdoor fan are provided to the outdoor unit.
  • In detail, the outdoor unit includes a front panel forming a front appearance. Also, an air discharge hole through which air is discharged is formed in the front panel. Also, a guide portion guiding air blown by the outdoor fan is installed on the inner surface of the front panel. The guide portion is assembled to the front panel using a plurality of coupling members such as screws.
  • According to a related art indoor unit of an air conditioner, since the guide portion requires the plurality of coupling members so that the guide portion is coupled to the front panel, the number of parts increases and the number of operations increases due to coupling of screws. Also, a portion of the guide portion overlaps the front panel in a back-and-forth direction, so that manufacturing costs increase.
    JP2001065925A discloses an outdoor unit for an air conditioner having a front surface plate which is foldably connected to a side plate.
    • Disclosure of Invention Technical Problem
  • Embodiments provide an outdoor unit of an air conditioner where a guide portion guiding blown air is integrally formed with a front panel.
    • Technical Solution
  • In one embodiment, an outdoor unit of an air conditioner includes: a first panel and a second panel forming an appearance; an air discharge hole formed in the first panel; a blower fan discharging air through the air discharge hole; and a guide portion guiding the discharging of the air, the guide portion being integrally formed with the first panel. The guide portion comprises a straight line portion protruding from the first panel to the rear and a sloped portion extending from a rear end of the straight line portion to a front inside of the straight line portion. A discharge grill is disposed at the air discharge hole and a portion of the discharge grill being located in a space between the straight line portion and the sloped portion and integrally formed with the sloped portion.
  • The details of one or more embodiments are set forth in the accompanying drawings and the description below. Other features will be apparent from the description and drawings, and from the claims.
    • Advantageous Effects
  • Since the guide portion is integrally formed with the first panel (front panel) according to a proposed embodiment, a part for coupling the guide portion is not required, the assembling process of the outdoor unit is simple, and there is no portion where a bell mouse and the front panel overlap each other in a back-and-forth direction, so that manufacturing costs reduce.
  • Also, since a straight line portion protrudes from the first panel to the rear and a sloped portion extends from the straight line portion to the inside of the straight line portion, the first panel can be easily taken out from a mold. That is, an injection molding operation of the first panel is easily performed.
  • Also, since a discharge grill is integrally formed with the guide portion, the strength of the guide portion and the discharge grill is reinforced. Brief Description of the Drawings
  • FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to an embodiment.
  • FIG. 2 is a cross-sectional view of the front panel illustrated in FIG. 1.
  • FIG. 3 is a rear perspective view of the front panel illustrated in FIG. 1.
    • Best Mode for Carrying Out the Invention
  • Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings.
  • FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to an embodiment, FIG. 2 is a cross-sectional view of the front panel illustrated in FIG. 1, and FIG. 3 is a rear perspective view of the front panel illustrated in FIG. 1.
  • Referring to FIGS. 1 to 3, the outdoor unit 1 of the air conditioner includes a casing forming an appearance. The casing is formed in a hexahedral shape on the whole.
  • The casing includes a plurality of members. The casing a base 4 on which legs are formed, a second panel 6 forming the both lateral side- appearance and the rear side appearance of the outdoor unit 1, and a first panel 10 forming the front appearance and the upper appearance of the outdoor unit 1. The first panel 10 can be called a front panel, and the second panel 6 can be called a rear panel.
  • The first panel 10 includes a front plate 12 forming the front appearance, and an upper plate 14 forming the upper appearance. The front plate 12 and the upper plate 14 are integrally injected-molded using a material such as a synthetic resin.
  • Also, air intake holes 2 are formed in the second panel 6, and an air discharge hole is formed in the front plate 12 of the first panel 10.
  • In detail, a suction grill 8 protecting the insides of the air intake holes 2 is formed on the second panel 6, and a discharge grill 16 protecting the inside of the air discharge hole 3 is formed on the front plate 12 of the first panel 10.
  • An outdoor heat exchanger 36 allowing outdoor air and refrigerant inside casing to exchange heat with each other is installed inside the casing 1. The outdoor heat exchanger 36 is located inside the air intake holes 2.
  • Also, an outdoor fan and a motor (not shown) are installed inside the casing 1 to allow outdoor air to be suctioned through the air intake holes 2 and discharged through the air discharge hole 3. Also, a compressor 38 compressing refrigerant is installed inside the casing 1.
  • Meanwhile, a guide portion 20 guiding airflow is injection-molded integrally with the first panel 10.
  • In detail, the opening area of the guide portion 20 decreases to be a constant level from the rear to the front, that is, toward a portion close to the air intake hole 3. That is, the opening area of the guide portion 20 at the rear end is greater than that of the guide portion 20 at the front end.
  • The guide portion 20 protrudes from the front plate 12 of the first panel 10 to the rear. The guide portion 20 can be formed such that the opening area of the inside increases toward the rear. Unlike this, the guide portion 20 can include a straight line portion 30 protruding from the front plate 12 of the first panel 10 to the rear, and a sloped portion 32 extending from the rear end of the straight line portion 30 to the inner space of the straight line portion 30 such that an inner opening area decreases toward the front.
  • In the case where the guide portion 20 directly protrudes from the front plate 12 of the first panel 10 to the rear, it may be difficult to take out the first panel 10 from a mold for manufacturing the first panel 10 due to the shape of the guide portion 20. On the other hand, in the case where the guide portion 20 includes the straight line portion 30 and the sloped portion 32, it is relatively easy to take out the first panel 10 from a mold. Accordingly, integrally forming the first panel 10 and the guide portion 20 can be easily performed.
  • The straight line portion 30 serves as a connection portion connecting the front plate 12 of the first panel 10 with the guide portion 20 so that the guide portion 20 can be integrally formed with the front plate 12 of the first panel 10.
  • The straight line portion 30 protrudes from the front plate 12 to the rear in a ring shape.
  • Meanwhile, a portion 17 of the discharge grill 16 extends toward the guide portion 20 and is located in a space 31 between the straight line portion 30 and the sloped portion 32. The portion 17 of the discharge grill is integrally formed with the sloped portion 32.
  • Also, another portion 18 of the discharge grill 16 is integrally formed with the front end of the straight line portion 30.
  • That is, since the guide portion 20 is integrally formed with the discharge grill 16, it is not shaken or easily destroyed by vibration or impact. The guide portion 20 reinforces strength in cooperation with the discharge grill 16.
  • Referring to FIG. 3, the first panel 10 includes the front plate 12 and the upper plate 14 integrally formed with each other. Upper strength reinforcing ribs 40 perpendicular to the front plate 12 and the upper plate 14 are formed on the first panel 10.
  • Also, rear strength reinforcing ribs 42 protrude from the front plate 12 of the first panel 10.
  • Reference numeral 44 of FIG. 3 denotes a base coupling portion formed on the lower portion of the front plate 12 of the first panel 10. The base coupling portion is coupled to the base 4 using a coupling member such as a screw.
  • According to the above-described outdoor unit, the front plate 12, the upper plate 14, the guide portion 20, and the discharge grill 16, and the strength reinforcing ribs 40 and 42 are integrally injection-molded by putting a material such as a synthetic resin into a mold for manufacturing the front panel.
  • After that, the above-injection molded first panel 10 is coupled to the base 4, and then the second panel 6 is coupled to at least one of the first panel 10 and the base 4.
  • Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art.

Claims (4)

  1. An outdoor unit (1) of an air conditioner, the outdoor unit (1) comprising: a first panel (10) and a second panel (6) forming an appearance; an air discharge hole (3) in the first panel (10); a blower fan discharging air through the air discharge hole (3); and a guide portion (20) guiding the discharging of the air , wherein, the guide portion (20) is integrally formed with the first panel characterised in that
    the guide portion (20) further comprises:
    a straight line portion (30) protruding from the first panel (10) to the rear: and
    a sloped portion (32) extending from a rear end of the straight line portion (30) to a front inside of the straight line portion (30), and
    a discharge grill (16) disposed at the air discharge hole (3), a portion of the discharge grill (17) being located in a space between the straight line portion (30) and the sloped portion (32) and integrally formed with the sloped portion (32).
  2. The outdoor unit (1) according to claim 1, wherein the first panel (10) comprises an upper plate (14) forming an upper appearance, and a front plate (12) forming a front appearance, the front plate (12) being integrally formed with the upper plate (14), and the air discharge hole (3) and the guide portion (20) being formed in and on the front plate (12).
  3. The outdoor unit (1) according to claim 1, wherein the straight line portion (30) has a ring shape on the whole.
  4. The outdoor unit (1) according to claim 1, wherein the sloped portion (32) extends from the end of the straight line portion (30) toward the air discharge hole (3).
EP08723555A 2007-07-05 2008-03-18 Outdoor unit of air conditioner Not-in-force EP2165121B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070067612A KR100813213B1 (en) 2007-07-05 2007-07-05 Outdoor unit of air conditioner
PCT/KR2008/001518 WO2009005210A2 (en) 2007-07-05 2008-03-18 Outdoor unit of air conditioner

Publications (3)

Publication Number Publication Date
EP2165121A2 EP2165121A2 (en) 2010-03-24
EP2165121A4 EP2165121A4 (en) 2011-07-06
EP2165121B1 true EP2165121B1 (en) 2013-01-23

Family

ID=39398694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08723555A Not-in-force EP2165121B1 (en) 2007-07-05 2008-03-18 Outdoor unit of air conditioner

Country Status (5)

Country Link
EP (1) EP2165121B1 (en)
KR (1) KR100813213B1 (en)
CN (1) CN101688682B (en)
ES (1) ES2400005T3 (en)
WO (1) WO2009005210A2 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH115252A (en) * 1997-06-18 1999-01-12 Funai Electric Co Ltd Method for molding bell mouth
JP3566515B2 (en) * 1997-10-20 2004-09-15 東芝キヤリア株式会社 Air conditioner
JP2001065924A (en) * 1999-08-24 2001-03-16 Daikin Ind Ltd Outdoor unit for air conditioner
JP2001065925A (en) * 1999-08-24 2001-03-16 Daikin Ind Ltd Outdoor unit for air conditioner
KR20040008712A (en) * 2002-07-19 2004-01-31 삼성전자주식회사 Outdoor unit of air conditioner
KR100468472B1 (en) * 2002-09-30 2005-01-27 삼성전자주식회사 Outdoor unit of air conditioner
JP3763315B2 (en) 2004-08-25 2006-04-05 ダイキン工業株式会社 Manufacturing method of fan casing
JP2006162094A (en) * 2004-12-02 2006-06-22 Fujitsu General Ltd Outdoor machine of air conditioner

Also Published As

Publication number Publication date
KR100813213B1 (en) 2008-03-13
CN101688682A (en) 2010-03-31
WO2009005210A3 (en) 2009-09-11
ES2400005T3 (en) 2013-04-04
WO2009005210A2 (en) 2009-01-08
EP2165121A4 (en) 2011-07-06
CN101688682B (en) 2012-08-22
EP2165121A2 (en) 2010-03-24

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