WO2015145740A1 - Climatiseur - Google Patents

Climatiseur Download PDF

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Publication number
WO2015145740A1
WO2015145740A1 PCT/JP2014/059193 JP2014059193W WO2015145740A1 WO 2015145740 A1 WO2015145740 A1 WO 2015145740A1 JP 2014059193 W JP2014059193 W JP 2014059193W WO 2015145740 A1 WO2015145740 A1 WO 2015145740A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
main body
air
outlet
diffuser
Prior art date
Application number
PCT/JP2014/059193
Other languages
English (en)
Japanese (ja)
Inventor
池田　尚史
大石　雅之
次郎 中洲
紘一 梅津
平川　誠司
代田　光宏
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201490000410.XU priority Critical patent/CN204962952U/zh
Priority to JP2016509834A priority patent/JP6429204B2/ja
Priority to PCT/JP2014/059193 priority patent/WO2015145740A1/fr
Priority to EP14887298.9A priority patent/EP3128242B1/fr
Priority to CN201510133990.0A priority patent/CN104949198B/zh
Publication of WO2015145740A1 publication Critical patent/WO2015145740A1/fr

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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
    • 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
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Definitions

  • the present invention relates to an air conditioner.
  • Patent Document 1 discloses an air conditioner that includes a blower fan in a main body, and a blowout air passage defined by a wall surface is formed downstream of the blower fan.
  • the blowout air passage is formed by a blowout air passage upper wall provided on the front side in the main body and a blowout air passage lower wall provided on the rear side in the main body.
  • An outlet is provided in the downstream portion of the blowout air passage.
  • the blower outlet is provided in the lower surface and front surface of the main body of an air conditioner.
  • the user When operating the air conditioner, the user may feel uncomfortable the noise generated from the functional parts inside the main unit.
  • This invention is made
  • an air conditioner includes a main body having a suction port and an outlet, a blower provided in the main body, and a heat exchange unit provided in the main body.
  • the main body includes a front surface, a back surface, an upper surface, a lower surface, and a pair of side surfaces, the suction port is formed on any one of the front surface, the upper surface, and the side surface, and the air outlet is formed on the front surface.
  • upstream of the outlet is a blowout air passage
  • the front side of the blowout air passage is formed by a diffuser, the diffuser in a side view
  • the downstream side of the diffuser has a portion away from an imaginary line that is an extension direction of the upstream portion of the diffuser.
  • FIG. 1 It is a figure which shows the installation state when the air conditioner which shows Embodiment 1 of this invention is seen from the inside of a room. It is a figure which shows the internal structure of the air conditioner of FIG. 1 from the side. It is a figure which shows the internal structure of the air conditioner of FIG. 1 from the side. It is a figure which shows the internal structure of the air conditioner of FIG. 1 from the side.
  • FIG. FIG. 1 is an installation schematic diagram when viewed from a room of an air conditioner according to Embodiment 1 of the present invention.
  • 2 to 4 are views showing the internal structure of the air conditioner of FIG. 1 from the side. 2 shows a state when the operation of the air conditioner is stopped, FIG. 3 shows a state during horizontal blowing operation (at the time of horizontal blowing), and FIG. 4 shows a state during down blowing operation (at the time of vertical blowing). Indicates the state.
  • the air conditioner (indoor unit) 100 of the air conditioner (indoor unit) 100 includes an outer body of the air conditioner 100 by the main body 1.
  • the air conditioner 100 is an example of a wall-hanging type, and is supported by a wall 11a of a room 11 that is an air-conditioning target space.
  • the air conditioner of this invention is not limited to being installed in a room of a general household, For example, you may install in one room of a building of a facility, a warehouse, etc.
  • the air conditioner of the present invention is a so-called ceiling-embedded air conditioner, and the back surface of the main body is in contact with the wall surface (the wall excluding the ceiling and floor) that defines the air-conditioning target space. Or it is an air conditioner which is approaching and the front surface of the main body faces the air conditioning target space side.
  • the air conditioner of the present invention does not have the suction port and the air outlet on the same surface as in the ceiling-embedded type, and departs from the center of the air conditioning target space to define the air conditioning target space. It suffices if it is placed near the wall surface.
  • the main body 1 has a substantially rectangular parallelepiped shape. Specifically, the main body 1 includes a back surface 1c facing the wall 11a of the room 11, a front surface 1a opposite to the back surface 1c, an upper surface 1b, a lower surface 1d, and a pair of left and right side surfaces 1e. .
  • the suction port is formed on any of the front surface, the upper surface, and the side surface of the main body, and the air outlet is formed on the lower surface without extending to the front surface. A specific example of this embodiment will be further described.
  • a grill-type suction port 2 b for sucking room air into the air conditioner 100 is formed on the upper surface 1 b constituting the upper part of the main body 1. Further, a front grill 6 is attached to the front face 1a, and a suction port 2a is opened at the center of the front grill 6 in the body height direction. The suction port 2a extends through the front grill 6 in the lateral width direction.
  • An air guide wall 6a is provided on the downstream side of the suction port 2a.
  • the front side of the flow path on the downstream side of the suction port 2a is formed by the back surface of the front grill 6, and the back side of the flow path on the downstream side of the suction port 2a is formed by the air guide wall 6a.
  • the air guide wall 6a extends from the front grill 6 above the suction port 2a to the back side and extends downward.
  • the blower outlet 3 for supplying the adjusted air indoors is formed in the lower surface 1d which comprises the lower part of the main body 1.
  • FIG. The blower outlet 3 opens only on the lower surface 1d, and does not open on the front surface 1a and the left and right side surfaces 1e.
  • a cross-flow fan (air blowing part) 8 having an impeller 8 a and a guide wall 10 are arranged inside the main body 1.
  • the once-through fan 8 is disposed between the suction side air passage E1 and the blowout side air passage E2, sucks air from the suction ports 2a and 2b, and blows air out to the blowout port 3.
  • the guide wall 10 extends from the rear of the cross-flow fan 8 to the lower side, and guides the air discharged from the cross-flow fan 8 to the air outlet 3.
  • a filter (ventilation resistor) 5 that removes dust and the like in the air sucked from the suction ports 2a and 2b, and the conditioned air is generated by transmitting the hot or cold heat of the refrigerant to the air.
  • a heat exchanger (heat exchange unit, ventilation resistor) 7 and a stabilizer 9 that partitions the suction side air passage E1 and the blowout side air passage E2 are arranged.
  • the guide wall 10 constitutes the blowing side air passage E2 in cooperation with the lower surface side of the stabilizer 9.
  • the guide wall 10 forms a spiral surface from the cross-flow fan 8 to the outlet 3.
  • the filter 5 is formed in a mesh shape, for example, and removes dust in the air sucked from the suction ports 2a and 2b.
  • the filter 5 is provided on the downstream side of the suction ports 2 a and 2 b and the upstream side of the heat exchanger 7 in the air path from the suction ports 2 a and 2 b to the blower outlet 3.
  • the filter 5 extends from above the heat exchanger 7 to the front.
  • the heat exchanger 7 (indoor heat exchanger) functions as an evaporator during cooling operation to cool air, and functions as a condenser (heat radiator) during heating operation to heat the air. is there.
  • the heat exchanger 7 is provided on the downstream side of the filter 5 and on the upstream side of the cross-flow fan 8 in the air path from the suction ports 2 a and 2 b to the blower outlet 3 (center portion inside the main body 1). .
  • the shape of the heat exchanger 7 is such that it surrounds the front portion and the upper portion of the cross-flow fan 8, but is merely an example and is not particularly limited.
  • the heat exchanger 7 is connected to an outdoor unit that may be a well-known embodiment having a compressor, an outdoor heat exchanger, a throttling device, and the like and constitutes a refrigeration cycle. Further, as the heat exchanger 7, for example, a cross fin type fin-and-tube heat exchanger composed of a heat transfer tube and a large number of fins is used.
  • the blowout air passage 3a is provided with an up-and-down wind direction vane 4a and a left-and-right wind direction vane 4b.
  • the left and right wind direction vanes 4 b are rotatably provided between the up and down wind direction vanes 4 a and the cross-flow fan 8.
  • the up / down wind direction vane 4a adjusts the up / down direction of the direction of the air blown from the cross-flow fan 8
  • the left / right wind direction vane 4b adjusts the left / right direction of the direction of the air blown from the cross-flow fan 8. To be adjusted.
  • the up-and-down wind direction vane 4a includes a first blade 4a1 and a second blade 4a2. Each of the first blade 4a1 and the second blade 4a2 has an individual drive source and is individually rotated.
  • the first blade 4a1 closes the air outlet 3 when the operation is stopped, and constitutes the outer surface of the apparatus body. That is, the 1st blade
  • the upper surface (airway side surface) of the first blade 4a1 when the operation is stopped is formed in a convex shape.
  • wing 4a1 is provided so that rotation is possible, and the rotating shaft of the 1st blade
  • the second blade 4a2 is housed in the blowout air passage 3a when the operation is stopped, and is disposed between the first blade 4a1 and the cross-flow fan 8.
  • the entire second blade 4a2 is accommodated in the main body 1.
  • wing 4a2 protrudes outside from the blower outlet 3 at the time of a driving
  • the second blade 4a2 is directly aligned with the first blade 4a1 during horizontal blowing (at the time of horizontal blowing) as shown in FIG.
  • the first blade 4 a 1 is arranged in parallel.
  • the rotation axis of the second blade 4a2 is located in the upper part of the air outlet 3 and closer to the stabilizer.
  • wing 4a2 moves in front of the 1st blade
  • the series arrangement of the first blade 4a1 and the second blade 4a2 is an imaginary line V connecting the upstream end A of the first blade 4a1 and the downstream end B of the second blade 4a2 in a side view as shown in FIG.
  • the upstream end C of the second blade 4a2 needs to be in a state of being positioned below (a state of being positioned on the side away from the main body 1 with respect to the virtual line V).
  • the first blade 4a1 and the second blade 4a2 become a single virtual blade having a virtual chord length longer than each of the first blade 4a1 and the second blade 4a2 during horizontal blowing, Sometimes it functions as two individual blades with individual chord lengths. That is, it can be said that the blade chord length is changed by the wind direction without replacing the blade itself.
  • a gap 20 is secured between the first blade 4a1 and the second blade 4a2 arranged in series during horizontal blowing.
  • the upper surface (surface on the main body side) of the first blade 4a1 has an upward convex shape (convex shape toward the main body), and the lower surface of the second blade 4a2 ( The first blade 4a1 and the second blade 4a2 rotate and move so that the surface on the opposite side of the main body has a downward convex shape (convex shape toward the opposite side of the main body).
  • the second blade 4 a 2 partially exits from the air outlet 3 when being blown downward, and from the air outlet 3 when being horizontally blown as shown in FIG. 3. It completely goes out (the entire second blade 4a2 goes out from the outlet 3).
  • the second blade 4a2 moves to a position between the first blade 4a1 and a downstream portion of a diffuser 3a1 described later, and is substantially parallel to the first blade 4a1 and the downstream portion of the diffuser 3a1 when the lower blade is blown.
  • wing 4a2 is located in a line with the 1st blade
  • the surface of the second blade 4a2 facing the first blade 4a1 is a convex shape protruding toward the first blade 4a1
  • the surface of the first blade 4a1 facing the second blade 4a2 is the second surface.
  • the first blade 4a1 and the second blade 4a2 are rotated and moved so as to have a convex shape protruding toward the blade 4a2.
  • the stabilizer 9 divides the suction side air passage E1 and the outlet side air passage E2, and is provided below the heat exchanger 7 as shown in FIGS.
  • the suction side air passage E ⁇ b> 1 is located above the stabilizer 9, and the blowout side air passage E ⁇ b> 2 is located below the stabilizer 9.
  • the stabilizer 9 includes a tongue 9a that separates the suction side flow path E1 and the blowout side flow path E2, a drain pan 9b that temporarily stores water droplets dripped from the heat exchanger 7, and a blowout air path 3a of the blowout outlet 3. And a diffuser 3a1 which is an upper wall surface (front side wall surface).
  • the upstream part of the diffuser 3a1 extends in the same direction as the direction in which the downstream part of the guide wall 10 extends, and the upstream part of the diffuser 3a1 is arranged substantially parallel to the downstream part of the guide wall 10 in a side view. Moreover, the upstream part of the diffuser 3a1 has a linear part in side view. In the side view of FIG. 3, when the extension direction of the straight portion of the upstream portion of the diffuser 3 a 1 is an imaginary line S, the front portion of the imaginary line S extends so as to intersect the front surface 1 a of the main body 1. Further, the downstream portion 3a1 'of the diffuser 3a1 extends away from the virtual line S and away from the front surface 1a.
  • the downstream portion 3a1 'of the diffuser 3a1 is curved or inclined in a side view.
  • the downstream portion 3a1 'of the diffuser 3a1 is further away from the virtual line S toward the downstream side. That is, in the side view, the diffuser 3a1 has a portion farther from the imaginary line S that is an extension direction of the upstream portion of the diffuser 3a1 toward the downstream side of the diffuser 3a1.
  • the downstream end of the diffuser 3a1 reaches the lower surface 1d, whereby the foremost part of the outlet 3 is located within the lower surface 1d without reaching the front surface 1a.
  • the air outlet is opened only on the lower surface of the main body and not on the front surface, noise generated from functional parts inside the main body (for example, driving motor sound of the once-through fan, The wind noise of the fan and the refrigerant circulation sound in the heat exchanger) are prevented from leaking directly forward.
  • the second blade 4a2 is housed in the blowout air passage 3a when the operation is stopped, and protrudes out from the air outlet 3 during the operation. Therefore, the second blade 4a2 can have a shape suitable for wind direction control without being restricted by the design conditions required for the outer surface of the body, and at least one wind direction control having a shape suitable for wind direction control. A blade
  • wing will be ensured reliably. Therefore, the improvement of the wind direction controllability by the blades not restricted by the design conditions and the above-described noise suppression are both achieved.
  • the second blade protrudes outside the main body and is arranged in series with the first blade, it is possible to perform horizontal blowing suitable for an aspect having no air outlet on the front surface of the main body, noise suppression and comfort. Can also be achieved.
  • the number of parts that can be recognized as an opening / closing part in the appearance observation is smaller when the operation is stopped, but in the first embodiment, the operation is stopped while using two blades. At times, it is possible to provide a design in which only one opening / closing part can be visually recognized. In addition, there is a considerable concern about the outer edge of the opening / closing part when the operation is stopped from entering the inside of the main body. However, in the first embodiment, the opening and closing operation is stopped while using two blades. By suppressing the portion by one sheet, it can also be expected that intrusion of undesirable dust or the like into the main body is suppressed.
  • the second blade 4a2 is arranged in series with the first blade 4a1. Therefore, the 1st blade
  • a gap 20 is secured between the first blade 4a1 and the second blade 4a2 arranged in series during horizontal blowing. Since the first blade 4a1 and the second blade 4a2 are arranged in series in a state where the gap 20 is secured in this way, the air during cooling passes through the first blade 4a1 and then from the gap 20 with the second blade 4a2. Since it flows to both the upper and lower surfaces of the second blade 4a2 and the temperature difference between both surfaces of the second blade 4a2 becomes small, dew condensation is suppressed and the quality can be improved.
  • the upper surface (surface on the main body side) of the first blade 4a1 has an upward convex shape (convex shape toward the main body), and the lower surface of the second blade 4a2 (
  • the first blade 4a1 and the second blade 4a2 rotate and move so that the surface on the opposite side of the main body has a downward convex shape (convex shape toward the opposite side of the main body). Due to the action of the warp direction of the surfaces of the first blade 4a1 and the second blade 4a2, the airflow easily flows between the first blade 4a1 and the second blade 4a2, and the effect of suppressing dew condensation is It is higher.
  • the second blade 4 a 2 partially exits from the air outlet 3 when being blown downward, and from the air outlet 3 when being horizontally blown as shown in FIG. 3. It completely goes out (the entire second blade 4a2 goes out from the outlet 3). For this reason, in the part of the 2nd blade
  • the second blade 4a2 is arranged in parallel with the first blade 4a1 when the lower blade is blown. Furthermore, the surface of the second blade 4a2 that faces the first blade 4a1 is a convex shape that protrudes toward the first blade 4a1, and the surface of the first blade 4a1 that faces the second blade 4a2 is the second blade 4a2.
  • the first blade 4a1 and the second blade 4a2 rotate and move so as to have a convex shape projecting toward each other.
  • the airflow flowing between the first blade 4a1 and the second blade 4a2 flows in a region surrounded by the convex shape of the first blade 4a1 and the convex shape of the second blade 4a2, so gradually By contracting the flow, after the separation vortex is suppressed, the flow is gradually expanded, and the turbulence of the flow is suppressed. Therefore, as a whole, the straightness of the airflow is improved, the reach of the airflow to the floor surface is extended, and the effect of heating up to the user's feet increases.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne un climatiseur (100) comportant un corps (1) possédant des ouvertures d'aspiration (2a, 2b) et un orifice d'évacuation (3), le corps comprenant une face avant (1a), une face arrière (1c), une face supérieure (1b), une face inférieure (1d), et une paire de faces latérales (1e), l'ouverture d'aspiration étant formée dans l'une quelconque parmi la face avant, la face supérieure et les faces latérales, l'orifice d'évacuation étant formé dans la face inférieure sans s'étendre vers la face avant, le côté en amont de l'orifice de décharge servant de passage d'air d'évacuation, le côté face avant du passage d'air d'évacuation étant formé par un diffuseur, le diffuseur possédant, dans une vue latérale, une partie située à une certaine distance d'une ligne imaginaire s'étendant à partir de la partie en amont du diffuseur, la distance augmentant en direction du côté en aval du diffuseur.
PCT/JP2014/059193 2014-03-28 2014-03-28 Climatiseur WO2015145740A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201490000410.XU CN204962952U (zh) 2014-03-28 2014-03-28 空调机
JP2016509834A JP6429204B2 (ja) 2014-03-28 2014-03-28 空気調和機
PCT/JP2014/059193 WO2015145740A1 (fr) 2014-03-28 2014-03-28 Climatiseur
EP14887298.9A EP3128242B1 (fr) 2014-03-28 2014-03-28 Climatiseur
CN201510133990.0A CN104949198B (zh) 2014-03-28 2015-03-25 空调机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/059193 WO2015145740A1 (fr) 2014-03-28 2014-03-28 Climatiseur

Publications (1)

Publication Number Publication Date
WO2015145740A1 true WO2015145740A1 (fr) 2015-10-01

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ID=54164075

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Application Number Title Priority Date Filing Date
PCT/JP2014/059193 WO2015145740A1 (fr) 2014-03-28 2014-03-28 Climatiseur

Country Status (4)

Country Link
EP (1) EP3128242B1 (fr)
JP (1) JP6429204B2 (fr)
CN (2) CN204962952U (fr)
WO (1) WO2015145740A1 (fr)

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