EP1962027A1 - Innenraumvorrichtung für klimaanlage - Google Patents

Innenraumvorrichtung für klimaanlage Download PDF

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Publication number
EP1962027A1
EP1962027A1 EP06833005A EP06833005A EP1962027A1 EP 1962027 A1 EP1962027 A1 EP 1962027A1 EP 06833005 A EP06833005 A EP 06833005A EP 06833005 A EP06833005 A EP 06833005A EP 1962027 A1 EP1962027 A1 EP 1962027A1
Authority
EP
European Patent Office
Prior art keywords
harness
holding member
harness holding
body casing
indoor unit
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.)
Withdrawn
Application number
EP06833005A
Other languages
English (en)
French (fr)
Other versions
EP1962027A4 (de
Inventor
Youhei Takada
Masanao Yasutomi
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP1962027A1 publication Critical patent/EP1962027A1/de
Publication of EP1962027A4 publication Critical patent/EP1962027A4/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein

Definitions

  • the present invention relates to an indoor unit for air conditioners.
  • harnesses In assembling of indoor units for air conditioners, there is a tendency that the handling of wire/cable harnesses (hereinafter, referred to simply as harnesses) becomes more and more complex with recent years' increasingly higher functions.
  • Fig. 5 shows a perspective view of an air-conditioner indoor unit according to a prior art.
  • a state in which a front panel 56 has been removed is shown.
  • a first heat exchange part 51 and a second heat exchange part 52 are placed on the front side of a bottom frame 50, and a third heat exchange part 53 is placed on the rear side of the first heat exchange part 51 and the second heat exchange part 52.
  • the first heat exchange part 51, the second heat exchange part 52 and the third heat exchange part 53 constitute an indoor heat exchanger.
  • an electrical part box 55 is placed at a right side place of the indoor heat exchanger.
  • a dripproof cover 54 for preventing drain water from flying out of the unit is mounted on the front side of a piping space between the indoor heat exchanger and the electrical part box 55.
  • the air-conditioner indoor unit As shown in Fig. 6 , there has been a need for providing a trap at a midway point on a harness 60 placed near the indoor heat exchanger in consideration of an event that drain water adheres to the harness 60 so as to be transferred to electrical parts. Also, the air-conditioner indoor unit would involve a need for, with consideration given to assembling variations of the harness, bundling the harness by a tie-wrap for its fixation to the casing so as to prevent drain water from flying out of the unit, or a need for hanging and fixing the harness on a hook (e.g., indicated by 54a in Fig. 6 ) provided on the casing side. As a result, the air-conditioner indoor unit has a problem of long time needed for the assembly.
  • a harness is held within a wiring groove having an engagement piece provided on its side wall (see, e.g., JP H9-184639 A ).
  • a harness is inserted into the wiring groove with the groove width widened by elastic deformation of the side wall of the wiring groove, and thereafter the side wall of the wiring groove is restored to its original configuration, by which the harness is held within the wiring groove.
  • an object of the present invention is to provide an indoor unit for air conditioners which allows harnesses to be easily and securely held with countermeasures for drain water provided in a simple construction, and which also allows the assembling time to be shortened.
  • an indoor unit for air conditioners comprising:
  • a harness for connecting electrical parts, which are placed independently in the body casing, to one another is curved on its some midpoint and the curved portion of the harness is pushed into a pocket portion of the harness holding member, thus the harness being held by the harness holding member. Since the pocket portion of the harness holding member is upwardly opened, the curved portion of the harness pushed into the pocket portion is held within the pocket portion in a state that the curved portion has its forward end side directed downward. Then, drain water adhering to the harness drops down along the curved portion of the harness, thus the curved portion of the harness serving a role as a trap.
  • the harness can be easily and securely held with countermeasures for drain water provided in a simple construction, and the assembling time can be shortened.
  • the pocket portion is a bag-shaped one having an opening on its upper side, where the bottom may be holed or the bottom may be closed. In the case where the bottom of the pocket portion is holed, drain water adhering to the harness can be treated without being accumulated.
  • the indoor unit for air conditioners further comprises an indoor heat exchanger placed in the body casing, wherein the harness holding member is placed on a front side of a space between a side portion of the indoor heat exchanger and a side face of the body casing.
  • the harness holding member is placed on the front side of a space between a side portion of the indoor heat exchanger and a side face of the body casing, the work of pushing the curved portion of the harness into the pocket portion of the harness holding member can be easily achieved.
  • the harness holding member is a portion of a dripproof cover.
  • part of the dripproof cover placed on the front side of a space between a side portion of the indoor heat exchanger and a side face of the body casing serves also as the harness holding member, so that effective use of a narrow space can be fulfilled while parts count and assembling man-hour can be reduced.
  • the harness holding member has a guide portion which is provided on a lower side of the pocket portion and which serves for guiding drain water flowing down along the curved portion (21a, 22a) of the harness pushed into the pocket portion.
  • drain water that flows down along the curved portion of the harness pushed into the pocket portion of the harness holding member is guided by the guide portion provided on the lower side of the pocket portion, drain water adhering to the harness is prevented from flying outside and, for example, providing the drain pan on the lower side allows waste water treatment to be easily achieved.
  • the indoor unit for air conditioners further comprises a bundling portion for bundling together both sides of the curved portion of the harness.
  • both sides of a curved portion curved at some midpoint of a harness are bundled together by a bundling portion, the curved portion of the harness pushed into the pocket portion of the harness holding member is prevented from loosening into pieces so as to be stabilized within the pocket portion, making it possible to achieve more reliable holding of the harness.
  • an indoor unit for air conditioners of this invention capable of easily and securely holding harnesses with countermeasures for drain water provided in a simple construction, and moreover capable of shortening the assembling time.
  • the harness holding member is placed on the front side of a space between the side portion of the indoor heat exchanger and the side face of the body casing, the work of pushing the curved portion of the harness into the pocket portion of the harness holding member can be easily achieved from the front face side of the body casing.
  • part of the dripproof cover placed on the front face side of a space between a side portion of the indoor heat exchanger and a side face of the body casing serves also as the harness holding member, so that a narrow space can be utilized effectively while parts count and assembling man-hour can be reduced.
  • drain water that has flowed down along the curved portion of the harness pushed into the pocket portion of the harness holding member is guided by the guide portion provided on the lower side of the pocket portion, drain water adhering to the harness is prevented from flying outside and, for example, providing the drain pan downward allows waste water treatment to be easily achieved.
  • both sides of a curved portion curved at a some midpoint of a harness are bundled together by a bundling portion, the curved portion of the harness pushed into the pocket portion of the harness holding member is stabilized within the pocket portion, making it possible to achieve more reliable holding of the harness.
  • Fig. 1 shows a front view of main part of an air-conditioner indoor unit according to one embodiment of the invention.
  • the air-conditioner indoor unit of this embodiment is similar in construction to the prior-art air-conditioner indoor unit of Fig. 5 except a harness holding member or the like and so Fig. 5 is used also in the following description.
  • This air-conditioner indoor unit includes a front-side first heat exchange part 51 placed on a front face side of a bottom frame 50 (shown in Fig. 5 ), a front-side second heat exchange part 52 placed on a front face side of the bottom frame 50 and on a lower side of the first heat exchange part 51, and a rear-side third heat exchange part 53 (shown in Fig. 5 ) placed between the bottom frame 50 and a rear face side of the first heat exchange part 51 and the second heat exchange part 52.
  • the first heat exchange part 51, the second heat exchange part 52 and the third heat exchange part 53 constitute an indoor heat exchanger.
  • the bottom frame 50 and a front panel 56 (shown in Fig. 5 ) constitute a body casing.
  • a mounting frame 30 fixed on the front face side of the first heat exchange part 51 and the second heat exchange part 52 is set in place.
  • This mounting frame 30 is so shaped as not to cause increases in resistance to an air flow that passes through the first heat exchange part 51 and the second heat exchange part 52.
  • the mounting frame 30 covers part of the front face side of the first heat exchange part 51 and the second heat exchange part 52, while part of the mounting frame 30 protrudes outward on the right side.
  • a harness holding member 10 is fixed at the protruding portion of the mounting frame 30. Electrical parts placed independently in the body casing (50, 56) are connected to one another by harnesses 21, 22. It is noted here that the term “electrical parts” refers to an electrical part box (not shown) including an indoor fan motor, a motor-operated valve, a flap motor and the like, as well as a control circuit for controlling those parts.
  • the harness holding member 10, although mounted on the mounting frame 30 in this embodiment, may also be mounted directly or indirectly at a mounting portion, for example, on the body casing, a heat exchanger or some other member.
  • reference numeral 10b denotes a guide portion
  • 10c denotes a fixing portion
  • 11 denotes an opening
  • 12 denotes a screw hole.
  • the harnesses 21, 22 are curved at their some midpoints, respectively, and those curved portions 21a, 22a of the harnesses 21, 22 are pushed into a pocket portion 10a of the harness holding member 10. Thus, the harnesses 21, 22 are held by the harness holding member 10.
  • Fig. 2 shows a top view of the harness holding member 10
  • Fig. 3 shows a front view of the harness holding member 10
  • Fig. 4 shows a sectional view thereof taken along the line IV - IV of Fig. 3 .
  • the harness holding member 10 includes a pocket portion 10a having a rectangular-shaped opening 11 on its upper side, a guide portion 10b provided on a lower side of the pocket portion 10a and inclined toward the rear face side, and a fixing portion 10c provided with a screw hole 12 for fixation to the mounting frame 30.
  • the harness holding member 10 having the pocket portion 10a, the guide portion 10b and the fixing portion 10c is integrally molded from resin.
  • positioning use protruding portions 14, 15 are protrusively provided on the rear face side of the fixing portion 10c of the harness holding member 10.
  • the protruding portion 14 protruding from the fixing portion 10c toward the rear face side is inserted into a hole 31 (shown in Fig. 4 ) provided in the mounting frame 30 (the same applies also to the protruding portion 15 shown in Fig. 2 ).
  • a fixing screw (not shown) is inserted into the screw hole 12 of the positioned harness holding member 10 and tightened up into a hole (not shown) of the mounting frame 30.
  • the harness holding member 10 is fixed to the mounting frame 30.
  • the mounting frame 30 closes a rear-face side region of the pocket portion 10a except a portion on the lower side of the opening. As a result of this, the harnesses 21, 22 (shown in Fig. 1 ) pushed into the pocket portion 10a through the opening 11 are securely held within the pocket portion 10a.
  • drain water that has flowed down along the harnesses 21, 22 (shown in Fig. 1 ) pushed through the opening 11 into the pocket portion 10a of the harness holding member 10 is guided downward by the guide portion 10b (arrows R1, R2 in Fig. 4 ).
  • Ribs 13 are erectly provided so as to extend along both-side edge portions of the guide portion 10b of the harness holding member 10 so that drain water having flowed down from upward is guided toward the lower end side of the guide portion 10b by the ribs 13 without flowing down sideways. Then, drain water that has flowed off the lower end of the guide portion 10b is received by a drain pan (not shown) and thereafter discharged outside.
  • the harnesses 21, 22 for connecting electrical parts placed independently in the body casing to one another are curved on their some midpoints, and those curved portions 21a, 22a of the harnesses 21, 22 are pushed into the pocket portion 10a of the harness holding member 10 fixed on the body casing side, so that the harnesses 21, 22 are held by the harness holding member 10. Since the pocket portion 10a of the harness holding member 10 is opened upward, the curved portions 21a, 22a of the harnesses 21, 22 pushed into the pocket portion 10a are held within the pocket portion 10a in a state that the curved portions 21a, 22a have their forward end side directed downward.
  • the harnesses 21, 22 can be easily and securely held with countermeasures for drain water provided in a simple construction, and the assembling time can be shortened.
  • the harness holding member 10 is placed on the front side of a space between a side portion of the indoor heat exchangers (51, 52, 53) and a side face of the body casing (50, 56), the work of pushing the curved portions 21a, 22a of the harnesses 21, 22 into the pocket portion 10a of the harness holding member 10 can be easily carried out from the front face side of the body casing.
  • drain water that has flowed down along the curved portions 21a, 22a of the harnesses 21, 22 pushed into the pocket portion 10a of the harness holding member 10 is guided downward by the guide portion 10b provided on the lower side of the pocket portion 10a, drain water adhering to the harnesses 21, 22 is prevented from flying outside, and providing the drain pan on the lower side allows waste water treatment to be easily achieved.
  • the harness holding member 10 is fixed to the mounting frame 30.
  • the harness holding member may be provided by, for example, part of a dripproof cover placed on the front side of a space between a side portion of the indoor heat exchangers and a side face of the body casing.
  • part of the dripproof cover serves also as the harness holding member 10, so that effective use of a narrow space can be fulfilled while parts count and assembling man-hour can be reduced.
  • both sides of the curved portion 22a curved at some midpoint of the harness 22 are bundled together by a tie-wrap 23 (shown in Fig. 1 ) as an example of a bundling portion.
  • a tie-wrap 23 shown in Fig. 1
  • the curved portion of the harness pushed into the pocket portion of the harness holding member is prevented from loosening into pieces so as to be stabilized within the pocket portion, making it possible to achieve more reliable holding of the harness.
  • the above embodiment has been described on the harness holding member 10 placed on the front side of a space between a side portion of the indoor heat exchangers (51, 52, 53) and a side face of the body casing (50, 56).
  • the harness holding member may hold harnesses positioned at other places where electrical parts placed independently within the body casing are connected to one another.

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 Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
EP06833005A 2005-11-28 2006-11-21 Innenraumvorrichtung für klimaanlage Withdrawn EP1962027A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005341719A JP3940849B2 (ja) 2005-11-28 2005-11-28 空気調和機の室内機
PCT/JP2006/323155 WO2007060928A1 (ja) 2005-11-28 2006-11-21 空気調和機の室内機

Publications (2)

Publication Number Publication Date
EP1962027A1 true EP1962027A1 (de) 2008-08-27
EP1962027A4 EP1962027A4 (de) 2012-06-20

Family

ID=38067155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06833005A Withdrawn EP1962027A4 (de) 2005-11-28 2006-11-21 Innenraumvorrichtung für klimaanlage

Country Status (3)

Country Link
EP (1) EP1962027A4 (de)
JP (1) JP3940849B2 (de)
WO (1) WO2007060928A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019210818A1 (zh) * 2018-05-04 2019-11-07 宁波奥克斯电气股份有限公司 底座防护盖、底座防护结构以及空调

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7712528B2 (ja) * 2021-03-31 2025-07-24 ダイキン工業株式会社 空気調和機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07133941A (ja) 1993-11-10 1995-05-23 Noritz Corp 電装品ケース構造
JPH102579A (ja) * 1996-06-17 1998-01-06 Toshiba Ave Corp 空気調和機の電源固定装置
JPH10197005A (ja) * 1997-01-08 1998-07-31 Daikin Ind Ltd 空気調和機の室内機
JPH11211136A (ja) * 1998-01-20 1999-08-06 Fujitsu General Ltd 天井埋込型空気調和機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019210818A1 (zh) * 2018-05-04 2019-11-07 宁波奥克斯电气股份有限公司 底座防护盖、底座防护结构以及空调

Also Published As

Publication number Publication date
JP3940849B2 (ja) 2007-07-04
WO2007060928A1 (ja) 2007-05-31
EP1962027A4 (de) 2012-06-20
JP2007147151A (ja) 2007-06-14

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