EP1684022A1 - Ausseneinheit für klimaanlage - Google Patents

Ausseneinheit für klimaanlage Download PDF

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Publication number
EP1684022A1
EP1684022A1 EP04788033A EP04788033A EP1684022A1 EP 1684022 A1 EP1684022 A1 EP 1684022A1 EP 04788033 A EP04788033 A EP 04788033A EP 04788033 A EP04788033 A EP 04788033A EP 1684022 A1 EP1684022 A1 EP 1684022A1
Authority
EP
European Patent Office
Prior art keywords
electric component
component box
air
heat sink
cooling duct
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.)
Granted
Application number
EP04788033A
Other languages
English (en)
French (fr)
Other versions
EP1684022B1 (de
EP1684022A4 (de
Inventor
Hiromasa c/o Fuji Operation Center YAMANE
Tetsuya c/o Fuji Operation Center ISHIKAWA
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.)
Toshiba Carrier Corp
Original Assignee
Toshiba Carrier Corp
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 Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Publication of EP1684022A1 publication Critical patent/EP1684022A1/de
Publication of EP1684022A4 publication Critical patent/EP1684022A4/de
Application granted granted Critical
Publication of EP1684022B1 publication Critical patent/EP1684022B1/de
Active 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/24—Cooling of electric components
    • 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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
    • 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
    • F24F1/46—Component arrangements in separate outdoor 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
    • 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
    • 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 outdoor unit of an air conditioning machine in which the inside of a casing is partitioned above and below with a horizontal partition plate, and the upper portion is made to be a heat exchange chamber while the lower portion is made to be a machine chamber, the machine chamber being provided with an electric component box which houses electric components or the like, and in particular, to a cooling structure in the electric component box.
  • Jpn. Pat. Appln. KOKAI Publication No. 2001-201108 discloses an example of an outdoor unit of a medium-size air conditioning machine which is intended for a medium-scale building.
  • the inside of a casing is partitioned above and below with a horizontal partition plate, the upper portion is made to be a secondary side of a heat exchanger, and there is provided a heat exchange chamber in which an air blower is arranged so as to face the heat exchanger, while the lower portion is made to be a machine chamber in which a compressor and the like are arranged.
  • the machine chamber is provided with an electric component box which houses electric components or the like.
  • the electric components include wide-ranging variety of components such as, for example, a circuit board with a relatively less heating value, on which control electronic parts are mounted; a circuit board with a relatively greater heating value, such as an inverter circuit; and electric components with an extremely great heating value, such as a reactor.
  • a machine chamber has substantially a hermetically sealed structure in order to prevent a noise of driving of a compressor from being leaked as much as possible. Therefore, there is scarcely air current in the machine chamber, which leads to a shortage in a cooling amount for the inside of the machine chamber.
  • electric components generate heat in the electric component box, and if the heat remain on, a temperature in the electric component box is extremely increased, which could have adversely affected thermally on the electric components.
  • various cooling structures for the inside of the electric component box have been used.
  • a drop in temperature of the respective portions can be obtained by forming an opening in the side plate of the case or by forming an opening in the side plate of the electric component box.
  • water droplets such as rainwater or snow infiltrate into the inside thereof together with the outside air.
  • Terminals for making electrical connections to codes are provided in the compressor arranged in the machine chamber, and when the terminals get wet by water droplets, a short-circuit accident or the like could have been caused. Needless to say, when the electric components in the electric component box get wet by water droplets, an accident of the same kind could have been caused. Accordingly, an effective, and safe and secure cooling structure has been required in place of the prior art.
  • the present invention has been achieved in consideration of the circumstances, and an object of the present invention is to provide an outdoor unit of an air conditioning machine with an effective and safe cooling structure in which a cooling efficiency for the inside of an electric component box arranged in a machine chamber and electric components to be housed therein is ensured, and infiltration of water droplets is securely blocked, which causes no short-circuit accident or the like.
  • the outdoor unit of the air conditioning machine according to the present invention has been achieved in order to satisfy the object, and comprises: a horizontal partition plate which partitions the inside of a casing above and below; a heat exchange chamber which is formed above the horizontal partition plate; a machine chamber which is formed below the horizontal partition plate; and an electric component box which is provided in the machine chamber and which houses electric components or the like.
  • the outdoor unit further comprises: a heat sink to cool electric components with a great heating value, the heat sink being projected from a side plate of the electric component box; a cooling duct provided along the side plate of the electric component box from which the heat sink is projected, the cooling duct covering the heat sink and comprising openings formed in the horizontal partition plate and the base plate of the case, and the cooling duct introducing the outside air from the opening at the base plate of the case accompanying the operation of an air blower to exchange heat with the heat sink, and then leading the air out from the opening of the horizontal partition plate; and a vent hole formed in the side plate of the electric component box, the vent hole conducting the air in the electric component box to be discharged into the cooling duct.
  • FIG. 1 is a schematic cross-sectional view of an outdoor unit configuring an air conditioning machine.
  • a case 1 configuring a unit main body of the outdoor unit is provided with a horizontal partition plate 2 at a substantially intermediate portion thereof in the vertical direction, and the inside of the casing 1 is partitioned above and below with the horizontal partition plate 2.
  • the inside of the casing above the horizontal partition plate 2 is called a heat exchange chamber 3, and the inside of the casing below the horizontal partition plate 2 is called a machine chamber 4.
  • Outdoor heat exchangers 5 are arranged so as to face at least one part of a side face (here, both of the left and right side portions) of the heat exchange chamber 3, and an outdoor air blower 6 is arranged in the center of the uppermost part of the heat exchange chamber 3.
  • a ventilation flue is formed through which, after the outside air is led into the heat exchange chamber 3 so as to circulate through the outdoor heat exchangers 5, the air is discharged from the outdoor air blower 6 to the outdoor by an operation of the outdoor air blower 6.
  • a gas-liquid separator 7, a compressor 8, and unillustrated valves, pipings, and the like are arranged in the machine chamber 4.
  • the compressor 8 and the like are communicated with the outdoor heat exchangers 5 refrigerant pipes so as to configure a cooling cycle via, and moreover, the refrigerant pipes are extended to an indoor heat exchanger configuring an indoor unit (not shown).
  • an electric component box 9 which houses electric components C or the like is also arranged together with the compressor 8.
  • an electric component (circuit board) C1 with a relatively less heating value on which control electronic parts are mounted is arranged to the upper portion side
  • an electric component (circuit board) C2 with a relatively greater heating value, such as an inverter circuit is arranged to the lower portion side.
  • an electric component with an extremely great heating value such as a reactor (not shown), and the like are housed.
  • a heat sink 10 is attached integrally to the rear face side, and is projected from a side plate 9a configuring the electric component box 9.
  • the heat sink 10 is composed of a plurality of cooling fins made of materials with excellent discharge characteristics, such as, for example, aluminum materials, and the cooling fins are provided in the vertical direction so as to have a predetermined space in the depth direction on paper.
  • Air introducing holes 11 are formed in a bottom plate 9b of the electric component box 9, and an outside air intake hole (not shown) is formed in a portion of a casing base plate 1a with the intention to be shifted from the position of the air introducing holes 11. Further, a cooling duct 12 is attached along the side plate 9a from which the heat sink 10 of the electric component box 9 is projected.
  • the cooling duct 12 is formed in a cross-sectional U shape as seen in plan view. The open peripheral portion faces the side plate 9a of the electric component box, and a flange unit which is provided along the edge is attached and fixed to the side plate 9a of the electric component box.
  • the cooling duct 12 covers the heat sink 10 projected from the side plate 9a of the electric component box, and upper and lower end portions of the cooling duct 12 are fitted into openings 12a and 12b which are respectively formed in the horizontal partition plate 2 and the casing base plate 1a. Accordingly, the heat exchange chamber 3 is communicated with the outside of the casing base plate 1a via the cooling duct 12.
  • a vent hole 13 is formed at a portion facing the upper portion of the cooling duct 12 at the side plate 9a of the electric component box 9, and the inside of the electric component box 9 and the inside of the cooling duct 12 are communicated with each other via the vent hole 13.
  • a mouth body 14 projected to the cooling duct 12 side is provided along the circumferential portion of the vent hole 13, and the tip of the mouth body 14 is covered with a hood member 15 so as to have a predetermined space.
  • the air introduced from the inside of the electric component box 9 to the vent hole 13 is guided to the mouth body 14 provided along the circumferential portion of the vent hole 13, and is led out of the electric component box 9. Then, the air circulates through the space between the tip of the mouth body 14 and the hood member 15, flows along the space between the hood member 15 and the electric component box side plate 9a, and is finally led into the cooling duct 12.
  • the outdoor unit of an air conditioning machine is configured in this way.
  • the compressor 8 When a driving command signal is inputted, the compressor 8 is driven so that a cooling medium is led into the outdoor heat exchangers 5, valves, the gas-liquid separator 7, and the indoor heart exchanger in the indoor unit, which achieves a cooling cycle operation.
  • the outdoor air blower 6 is driven to suck the outside air into the hear exchange chamber 3.
  • the outside air circulates the outdoor heat exchangers 5 to exchange heat, and moreover, the air is discharged to the outside via the outdoor air blower 6.
  • a blowing effect of the outdoor air blower 6 allows the heat exchange chamber 3 to be at a negative pressure, and the influence reaches the cooling duct 12 communicated with the heat exchange chamber 3, so that the inside of the cooling duct 12 is also made to be at a negative pressure.
  • the outside air at the outside of the casing base plate 1a is sucked from the casing base plate opening 12b of the cooling duct 12, and circulates in the cooling duct 12 to be led out of the opening 12a formed in the horizontal partition plate 2 to the heat exchange chamber 3.
  • the outside air contacts the heat sink 10 in mid-flow of circulating in the duct 12 to exchange heat each other.
  • Heat transferred to the heat sink 10 from the electric component C2 with a great heating value, such as an inverter circuit, is radiated to the outside air circulating in the cooling duct 12, and the electric component C2 is cooled down together with the heat sink 10.
  • the heat of the electric component C2 is hardly radiated to the inside of the electric component box 9 and the inside of the machine chamber 4, which suppresses temperature rise thereof.
  • the cooling duct 12 is attached along the side plate 9a of the electric component box 9, the outside air circulating in the cooling duct 12 is led along the electric component box side plate 9a. Accordingly, a part (the side plate 9a) of the electric component box 9 which faces the cooling duct 12 is cooled down by the outside air.
  • the inside of the cooling duct 12 is made to be at a negative pressure by driving the outdoor air blower 6, the inside of the electric component box 9 communicated with the cooling duct 12 via the vent hole 13 is also made to be at a negative pressure.
  • the air in the machine chamber 4 is led into the electric component box 9 from the air introducing holes 11 formed in the bottom plate 9b of the electric component box 9.
  • the air in the machine chamber 4 is the outside air which is led via an outside air intake hole (not shown) formed in the casing base plate 1a, and in reality, the fresh and low temperature outside air is led into the electric component box 9.
  • the outside air led into the electric component box 9 from the air introducing holes 11 of the electric component box bottom plate 9b directly contacts the electric components C2 and C1 housed in the electric component box 9, and cools the components down.
  • the outside air whose temperature has been raised by cooling-down is led out of the vent hole 13 formed at the upper portion of the electric component box 9, and is guided by the mouth body 14 and the hood member 15 to be led into the cooling duct 12.
  • the air after cooling down the heat sink 10 is circulating in the cooling duct 12, and the air led via the vent hole 13 flows into the cooling duct 12.
  • the confluent air is led into the heat exchange chamber 3, and is further discharged to the outside by the effect of the outdoor air blower 6.
  • the heat sink 10 attached to the electric component C2 with a great heating value such as an inverter circuit is projected to the inside of the cooling duct 12, and is cooled down by the outside air circulating therein.
  • the electric component box side plate 9a facing the cooling duct 12 is cooled down by the outside air circulating in the cooling duct 12.
  • the electric components C2 and C1 in the electric component box 9 are directly cooled down by the cooled air led from the air introducing holes 11 of the electric component box bottom plate 9b into the inside of the box 9.
  • the outside air is led from the air introducing holes 11 of the electric component box bottom plane plate 9b as well.
  • the air introducing holes 11 are formed at positions so as to be distant from the outside air intake hole formed in the casing base plate 1a. If water droplets infiltrate into the inside of the casing from the outside air intake hole, there is no water droplets reaching the air introducing holes 11 from the outside air intake hole, and the water droplets never infiltrate from the air introducing holes 11 into the electric component box 9. Therefore, a short-circuit accident of the electric components C1 and C2 can be securely restrained.
  • FIG. 2 is an enlarged schematic cross-sectional view of an electric component box 9 and a peripheral portion thereof.
  • the electric component box 9 which houses electric components C1 and C2 or the like is arranged in a machine chamber 4.
  • a heat sink 10 is provided to be projected integrally to the electric component C2 with a great heating value, and is projected from an electric component box side plate 9a.
  • Air introducing holes 11 are formed in an electric component box bottom plate 9b, and a cooling duct 12 is attached along the side plate 9a from which the heat sink 10 is projected.
  • the cooling duct 12 covers the heat sink 10, and the upper and lower end portions of the cooling duct 12 are fitted into openings 12a and 12b of a horizontal partition plate 2 and a casing base plate 1a.
  • a vent hole 13 is formed in the upper portion of the electric component box side plate 9a, and a mouth body 14 is provided along the circumferential portion of the vent hole 13.
  • the tip of the mouth body 14 is covered with a hood member 15 so as to have a predetermined space.
  • a partition plate 20 which partitions the side plate 9a of the electric component box 9 in which the vent hole 13 is formed and the inside of the electric component box 9, and that the partition plate 20 is provided with a plurality of guide holes 21 which allow the inside of the electric component box 9 and the vent hole 13 to be communicated with each other.
  • Many of the guide holes 21 are formed at portions in the vicinity of the electric component C2 with a great heating value, such as an inverter circuit.
  • the partition plate 20 is provided in the electric component box 9 so as to be substantially parallel to the side plate 9a with a predetermined space from the side plate 9a.
  • An upper end portion 20a of the partition plate 20 is bent at a portion above the vent hole 13, and the bent edge is fixed to the side plate 9a.
  • a lower end portion 20b of the partition plate 20 is bent at a portion in the vicinity of the electric component box bottom plate 9b, and the bent edge is fixed to the side plate 9a.
  • both of the left and right side portions of the partition plate 20 are respectively bent, and the bent edges are fixed to the side plate 9a.
  • the partition plate 20 forms a substantially enclosed space D with respect to the side plate 9a.
  • the inside of the electric component box 9 is communicated with the substantially enclosed space D formed between the partition plate 20 and the side plate 9a via the guide holes 21. Further, the substantially enclosed space D and the inside of the cooling duct 12 are communicated with each other via the vent hole 13, and consequently, the inside of the electric component box 9 is communicated with the inside of the cooling duct 12 via the substantially enclosed space D.
  • the substantially enclosed space D defined by the partition plate 20 and the side plate 9a is interposed as an air layer between the inside of the electric component box 9 and the cooling duct 12, so that an effect of shielding heat from the inside of the electric component box 9 to the cooling duct 12 can be obtained.
  • the guide holes 21 are formed at portions in the vicinity of the electric component C2 with a great heating value in the partition plate 20, thereby making it possible to improve a cooling efficiency with respect to the electric component C2.
  • the air in the electric component box 9 is smoothly led to the cooling duct 12 via the guide holes 21, the substantially enclosed space D, and the vent hole 13.
  • a rise in temperature inside the electric component box 9 is securely suppressed.
  • FIG. 3 is an exploded perspective view of an electric component box 9, and FIG. 4 is a schematic cross-sectional view of a double structure member 30 configuring a part of the electric component box 9, and FIG. 5 is a perspective view of the double structure member 30.
  • the electric component box 9 is viewed from the front face side, and a vent hole 13 formed in a side plate 9a of the electric component box 9 is illustrated. However, a cooling duct 12 attached to the rear face side is omitted.
  • the configuration described above in FIG. 1 is applied as is to the configuration of the cooling duct 12 itself, and all the descriptions are omitted.
  • the electric component box 9 is configured by a main electric component box 9M which houses an electric component C1 with a little heating value and an electric component C2 with a great heating value, and an auxiliary electric component box 9N which houses only an electric component C3 with an extremely great heating value, such as a reactor.
  • An opening 25 which will be described later is formed at one side portion of the main electric component box 9M, the electric components C1 and C2 are housed in the remaining space, and a vent hole 13 is formed at a predetermined portion.
  • the opening 25 formed in the main electric component box 9M is blocked up with the double structure member 30, and the auxiliary electric component box 9N is attached via the double structure member 30.
  • the auxiliary electric component box 9N is formed in a cross-sectional substantially U shape as seen in plan view, and the upper end opening is formed to be closed with a top plate 9e which is formed to be bent at the upper end of the main electric component box 9M.
  • a bottom plate 9f is provided to the bottom end of the auxiliary electric component box 9N, and a flange unit 9h provided along both of the left and right side portion edges is attached to the double structure member 30.
  • the auxiliary electric component box 9N is a housing which is attached separately from the main electric component box 9M, and it is formed to have a substantially enclosed structure. For this reason, there is no case in which heat radiated from the electric component C3 housed in the inside affects the inside of the main electric component box 9M.
  • Both of the left and right side portions of the auxiliary electric component box 9N are made to be a so-called shutter structure, which ensures ventilation to the inside.
  • No heat radiated from the electric component C3 housed in the inside fills in the inside of the auxiliary electric component box 9N, and no thermal effect reaches the electric component C3 itself.
  • water droplets such as rainwater are poured onto the auxiliary electric component box 9N.
  • the auxiliary electric component box 9N has got wet, the water droplets could not have infiltrated into the inside from the space of the shutters.
  • the double structure member 30 is configured by a first plate body 31 which is directly attached to the main electric component box side plate 9a, and a second plate body 32 which is superimposed on the first plate body 31 with a predetermined space.
  • the first plate body 31 closes the opening 25 formed in the main electric component box 9M, and the second plate body 32 is positioned so as to be projected to the inside of the main electric component box 9M.
  • the electric component C1 which is the same as the electric component C1 housed in the main electric component box 9M is attached to the inside of the main electric component box 9M of the second plate body 32.
  • a part which is relatively hard to get out of order such as a reactor, is arranged in the auxiliary electric component box 9N, whereby the small-spacing of the main electric component box 9M and the degree of freedom in a component layout are improved in addition to the problem of thermal treatment.
  • FIGS. 6 to 7 The entire configuration of an outdoor unit is basically the same as that described above in FIG. 1.
  • the configuration in which a partition plate 20 is provided so as to have a predetermined space with an electric component box side plate 9a is the same as that described above in FIG. 2 (second embodiment).
  • an electric component box 9 is configured by a main electric component box 9M and an auxiliary electric component box 9N having a double structure member 30.
  • additional descriptions thereof will be omitted by applying the drawing thereto.
  • FIG. 6 is a perspective view of the assembled electric component box 9, and FIG. 7 is a cross-sectional view of the main electric component box 9M.
  • FIG. 6 is a cross-sectional view of the main electric component box 9M, and
  • FIG. 7 is a perspective view of the assembled electric component box 9.
  • first plate body 31 configuring the double structure member 30 in plane with the side plate 9a of the main electric component box 9M
  • second plate body 32 in plane with the partition plate 20.
  • a space between the side plate 9a and the partition plate 20 is equal to a space between the first plate body 31 and the second plate body 32.
  • the respective edges of the side plate 9a and the first plate body 31 are provided to be thickly connected to each other, and the respective edges of the partition plate 20 and the second plate body 32 are provided to be thickly connected to each other.
  • a gap D formed between the both of the first plate body 31 and the second plate body 32 is communicated with a gap (substantially enclosed space) D between the side plate 9a and the partition plate 20.
  • the gap (substantially enclosed space) D between the side plate 9a and the partition plate 20 is communicated with the vent hole 13
  • the gap D between the both of the first plate body 31 and the second plate body 32 which configure the double structure member 30 is communicated with the vent hole 13.
  • the double structure member 30 receives heat radiated from an electric component C3 with an extremely great heating value such as a reactor housed in the auxiliary electric component box 9N, and heat is shielded by an air layer formed in these gaps D, so that the air in the air layer rises in temperature. Then, the air which has risen in temperature is led to the gap D between the side plate 9a and the partition plate 20, and is further guided to the cooling duct 12 via the vent hole 13 to be discharged to the outside.
  • an electric component C3 with an extremely great heating value such as a reactor housed in the auxiliary electric component box 9N
  • the entire configuration of an outdoor unit is basically the same as that described above in FIG. 1 except that two inverter driving compressors 8a and 8b which are separately controlled to operate are arranged in a machine chamber 4.
  • a partition plate 20 is provided so as to have a predetermined space with an electric component box side plate 9a is the same as that described above in FIG. 2 (second embodiment).
  • an electric component box 9 is configured by a main electric component box 9M and an auxiliary electric component box 9N having a double structure member 30.
  • a gap D formed between both of a first plate body 31 and a second plate body 32 is communicated with a gap (substantially enclosed space) D between a side plate 9a and a partition plate 20.
  • the two compressors 8a and 8b are arranged in the machine chamber, and they are driven by inverters C2a and C2b respectively arranged at the position of C2 of the main electric component box 9.
  • the inverters C2a and C2b are arranged so as to be next to each other in the horizontal direction in a positional relationship corresponding to the compressors 8a and 8b which the respective inverters drive, and heat sinks 10 are integrally provided to the inverters C2a and C2b respectively so as to be projected.
  • the present invention has effects that an effective and safe cooling structure can be obtained, in which a cooling efficiency with respect to electric components in an electric component box arranged in a machine chamber is ensured, and infiltration of water droplets into the electric component box is securely blocked, which causes no short-circuit accident or the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Other Air-Conditioning Systems (AREA)
EP04788033.1A 2003-09-25 2004-09-22 Ausseneinheit für klimaanlage Active EP1684022B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003333875 2003-09-25
PCT/JP2004/013850 WO2005031219A1 (ja) 2003-09-25 2004-09-22 空気調和機の室外ユニット

Publications (3)

Publication Number Publication Date
EP1684022A1 true EP1684022A1 (de) 2006-07-26
EP1684022A4 EP1684022A4 (de) 2009-02-04
EP1684022B1 EP1684022B1 (de) 2017-06-21

Family

ID=34386005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04788033.1A Active EP1684022B1 (de) 2003-09-25 2004-09-22 Ausseneinheit für klimaanlage

Country Status (6)

Country Link
EP (1) EP1684022B1 (de)
JP (2) JP4520412B2 (de)
KR (1) KR100726509B1 (de)
CN (1) CN100425918C (de)
ES (1) ES2629957T3 (de)
WO (1) WO2005031219A1 (de)

Cited By (22)

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EP2023048A1 (de) * 2007-07-25 2009-02-11 Sanyo Electric Co., Ltd. Klimaanlage mit elektrischem Gerätegehäuse-Kühlmechanismus
EP2040008A2 (de) 2007-09-21 2009-03-25 LG Electronics, Inc. Außeneinheit für eine Klimaanlage
EP2180265A2 (de) * 2008-10-27 2010-04-28 LG Electronics Inc. Außenraumeinheit für Klimaanlage
EP2711641A4 (de) * 2011-05-20 2015-03-11 Daikin Ind Ltd Ausseneinheit für eine kühlvorrichtung
EP2711640A4 (de) * 2011-05-20 2015-03-18 Daikin Ind Ltd Ausseneinheit für eine kühlvorrichtung
US20150276279A1 (en) * 2014-03-27 2015-10-01 Daikin Industries, Ltd. Heat source unit of refrigerating apparatus
EP2762792A4 (de) * 2011-09-29 2015-11-25 Daikin Ind Ltd Ausseneinheit für eine klimaanlagenvorrichtung
EP2905549A3 (de) * 2014-01-14 2016-01-20 LG Electronics Inc. STEUERUNG EINER AUßENEINHEIT FÜR EINE KLIMAANLAGE
FR3024213A1 (fr) * 2014-07-25 2016-01-29 Soc Ind De Chauffage Systeme de rafraichissement, climatisation, chauffage d'un batiment avec recuperation d'air vicie
US9551515B2 (en) 2012-03-28 2017-01-24 Mitsubishi Electric Corporation Refrigeration cycle apparatus and outdoor heat source unit
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EP3263997A4 (de) * 2015-02-25 2019-02-27 Sharp Kabushiki Kaisha Ausseneinheit für klimaanlage
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EP3327362A4 (de) * 2016-09-27 2018-11-07 Mitsubishi Electric Corporation Ausseneinheit für klimaanlagenvorrichtung
EP3557150A4 (de) * 2016-12-16 2020-01-01 Mitsubishi Electric Corporation Ausseneinheit und klimatisierungsvorrichtung
US11015820B2 (en) 2016-12-16 2021-05-25 Mitsubishi Electric Corporation Outdoor unit and air conditioner
EP3361173A1 (de) * 2017-02-10 2018-08-15 Daikin Europe N.V. Wärmequelleneinheit und klimaanlage mit der wärmequelleneinheit
US11131466B2 (en) 2017-02-10 2021-09-28 Daikin Industries, Ltd. Heat source unit and air conditioner having the heat source unit
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EP3604943A4 (de) * 2017-03-30 2021-01-06 Daikin Industries, Ltd. Wärmequelleneinheit für kühlvorrichtung
EP3686500A4 (de) * 2017-09-21 2020-09-02 Mitsubishi Electric Corporation Wärmetauschereinheit und klimaanlage
CN111094857A (zh) * 2017-09-21 2020-05-01 三菱电机株式会社 热交换器单元和空调装置
CN111094857B (zh) * 2017-09-21 2021-11-23 三菱电机株式会社 热交换器单元和空调装置
US11226119B2 (en) * 2017-09-21 2022-01-18 Mitsubishi Electric Corporation Heat exchanger unit and air-conditioning apparatus
EP3473948A1 (de) * 2017-10-17 2019-04-24 Robert Bosch GmbH Wärmepumpenvorrichtung, verfahren zu dessen herstellung
EP3882529A4 (de) * 2018-11-16 2021-11-24 Mitsubishi Electric Corporation Ausseneinheit für klimaanlage
US11339977B2 (en) 2019-09-06 2022-05-24 Carrier Corporation Apparatus and method for providing adequate cooling inside an electrical equipment
EP4027065A4 (de) * 2019-09-18 2022-11-02 Daikin Industries, Ltd. Innenraumeinheit einer kühlvorrichtung

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WO2005031219A1 (ja) 2005-04-07
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JP2010169393A (ja) 2010-08-05
CN1860337A (zh) 2006-11-08
KR100726509B1 (ko) 2007-06-11
CN100425918C (zh) 2008-10-15
JP4520412B2 (ja) 2010-08-04
ES2629957T3 (es) 2017-08-16
EP1684022A4 (de) 2009-02-04

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