WO2015104791A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2015104791A1
WO2015104791A1 PCT/JP2014/050068 JP2014050068W WO2015104791A1 WO 2015104791 A1 WO2015104791 A1 WO 2015104791A1 JP 2014050068 W JP2014050068 W JP 2014050068W WO 2015104791 A1 WO2015104791 A1 WO 2015104791A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
case
suction port
outlet
air conditioner
Prior art date
Application number
PCT/JP2014/050068
Other languages
English (en)
Japanese (ja)
Inventor
池田　尚史
惇司 河野
昌彦 高木
栗原　誠
潔 吉村
健裕 田中
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 PCT/JP2014/050068 priority Critical patent/WO2015104791A1/fr
Priority to JP2015556652A priority patent/JPWO2015104791A1/ja
Priority to EP14877785.7A priority patent/EP3096092A4/fr
Publication of WO2015104791A1 publication Critical patent/WO2015104791A1/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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F2013/0616—Outlets that have intake openings

Definitions

  • the present invention relates to an air conditioner.
  • a suction port and an air outlet are formed on the lower surface of the device facing the air-conditioned room. And after adjusting the temperature of the air suck
  • a short cycle may occur in which a part of the flow blown downward from the air outlet is attracted to the air inlet and sucked into the case.
  • the air conditioner disclosed in Patent Document 2 and Patent Document 3 when the auxiliary air outlet is also provided at the corner portion of the decorative panel constituting the lower surface of the case, the suction flow and the auxiliary air outlet are used. This causes a problem that a short cycle is more likely to occur because the blown flow tends to flow into the suction port.
  • the present invention has been made in view of the above, and an object of the present invention is to provide an air conditioner that can reduce the flow of air blown from the air outlet into the air inlet.
  • the present invention for achieving the above-described object includes a case provided on the ceiling of a space to be air-conditioned, and a blower unit and a heat exchanger disposed in the case, and at least a lower part of the case, An air conditioner having one air outlet and at least one air inlet, wherein a stepped portion protruding toward the space to be air-conditioned is provided between the air outlet and the air inlet. ing.
  • the suction port and the protruding end of the stepped portion may be located on the same surface, and the suction port is located on the inner side of the case than the protruding end of the stepped portion. You may be made to be located in.
  • the step portion has a rising side surface, a reference line that is a line extending in a direction orthogonal to the formation surface of the suction port and passes through the base portion of the rising side surface, and an angle between the rising side surface is , And may be configured to be between ⁇ 45 degrees and +45 degrees.
  • the step portion may have a rising side surface, and the rising side surface may include an inclined portion that is inclined toward the air outlet side in a direction that protrudes toward a space to be air-conditioned. .
  • the step portion may be provided so as to surround the suction port.
  • the lower part of the case is constituted by a decorative panel, and the decorative panel has a rectangular outer edge in plan view, and the four outlets serve as main outlets along the four sides of the decorative panel.
  • the four sub outlets are provided along the four corners of the decorative panel, and the sub outlet has a smaller opening area than the main outlet, and the main outlet
  • the step portion is provided between each of the air outlet and the suction port and between the sub air outlet and the suction port, and the rising side surface of the step portion has a loop shape. You may comprise so that it may extend.
  • the air conditioner of the present invention it is possible to reduce the flow blown from the blowout port from flowing into the suction port.
  • FIG. 1 shows the internal structure of the air conditioning apparatus which concerns on Embodiment 1 of this invention from the side. It is a figure which shows the internal structure of the air conditioning apparatus of this Embodiment 1 from the side. It is a figure which shows the internal structure of the air conditioning apparatus of this Embodiment 1 planarly. It is a figure which expands and shows the blower outlet periphery in FIG. It is a figure of the same aspect as FIG. 1 regarding Embodiment 2 of this invention. It is a figure of the same aspect regarding FIG. It is a figure of the same aspect as FIG. 1 regarding Embodiment 3 of this invention. It is a figure of the same aspect as FIG. 2 regarding this Embodiment 3. FIG. It is a figure of the same aspect as FIG. 2 regarding Embodiment 4 of this invention. It is a figure of the same aspect as FIG. 1 regarding Embodiment 5 of this invention.
  • FIG. 1 is a side view showing the internal structure of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a diagram illustrating the internal configuration of the air-conditioning apparatus according to Embodiment 1 from the side
  • FIG. 3 is a diagram illustrating the internal configuration of the air-conditioning apparatus in a plan view.
  • FIG. 4 is an enlarged view showing the vicinity of the outlet in FIG.
  • the air conditioner 100 is a so-called indoor unit of a packaged air conditioner
  • FIG. 1 illustrates a state in which most of the air conditioner is embedded in the back of the ceiling of the room and the lower part of the case is looked up from the room.
  • the air conditioner 100 includes a case 1 embedded in a ceiling 15a of a space to be air-conditioned (in the room 15).
  • the case 1 is an example, but is generally formed in a rectangular parallelepiped shape.
  • the case 1 includes an upper surface portion 1a, a side surface portion 1b, and a decorative panel 2 that is a lower surface portion.
  • the side surface portion 1 b has four main surfaces 21 oriented in two orthogonal axes, and further has a corner portion 22 between the two corresponding main surfaces 21.
  • the side surface portion 1b is formed in a cylindrical shape extending vertically, and the upper portion of the side surface portion 1b is closed by the upper surface portion 1a, and the decorative panel 2 is provided below the side surface portion 1b.
  • the case 1 is generally formed in a box shape by the upper surface portion 1a, the side surface portion 1b, and the decorative panel 2.
  • the decorative panel 2 is provided with at least one inlet 2a and at least one outlet 2b.
  • one suction port 2a and four air outlets 2b are provided as will be described later.
  • centrifugal fan (turbo fan) 3, a fan motor 4, a bell mouth 5, and a heat exchanger 6 serving as a blower are housed.
  • the centrifugal fan 3 creates a flow of air that is sucked into the case 1 from the suction port 2a and blown out from the blowout port 2b to the target space.
  • the heat exchanger 6 is disposed in such an air flow path and adjusts the temperature of the air.
  • the suction port 2 a is provided at the center of the decorative panel 2 and extends over a wide area of the decorative panel 2. Moreover, although the suction inlet 2a of this Embodiment 1 is provided as a grille (grille) type, this invention is not limited to this.
  • a filter 14 is provided on the upstream side of the suction port 2a (inside the case 1) to remove air after passing through the suction port 2a.
  • the decorative panel 2 and the suction port 2a each have a rectangular outer edge in plan view.
  • a plurality of air outlets 2b are provided in a region between the outer edge of the decorative panel 2 and the outer edge of the suction port 2a.
  • each of the decorative panel 2 and the inlet 2a has four edges, and there are four outlets 2b, each of which is described later. It arrange
  • the four blower outlets 2b are located so that the suction inlet 2a may be surrounded.
  • Each air outlet 2b is provided with a wind direction plate 2c for adjusting the direction of air to be blown out.
  • a fan motor 4 is disposed in the center of the case 1.
  • the fan motor 4 is supported on the lower surface (the inner space side of the case) of the upper surface portion 1 a of the case 1.
  • a centrifugal fan 3 is attached to a rotating shaft extending downward in the fan motor 4. Further, a bell mouth 5 is provided between the centrifugal fan 3 and the suction port 2 a to form a suction air path from the suction port 2 a toward the centrifugal fan 3.
  • the centrifugal fan 3 sucks air into the case 1 from the suction port 2a, and causes the air to flow out from the blowout port 2b to a room (indoor) 15 that is a target space.
  • a heat exchanger 6 is disposed on the radially outer side of the centrifugal fan 3.
  • the heat exchanger 6 is arranged in a flow path of air generated in the case by the centrifugal fan 3 and performs heat exchange between the air and the refrigerant.
  • the heat exchanger 6 has a plurality of fins arranged at predetermined intervals and a heat transfer pipe that penetrates the fins, and the heat transfer pipe is connected to a well-known outdoor unit (not shown) by a connection pipe. Thereby, the cooled or heated refrigerant is supplied to the heat exchanger 6.
  • a drain pan 12 for temporarily storing condensed water is provided below the heat exchanger 6. Further, on the back side of the drain pan 12, an electrical component box 13 for storing the electronic substrate is provided.
  • the structure and aspect of the centrifugal fan 3, the bellmouth 5, and the heat exchanger 6 are not specifically limited, In this Embodiment 1, a well-known thing is used.
  • a stepped portion that protrudes toward the air-conditioning space (that is, downward in the illustrated example).
  • a stepped portion 10 that protrudes toward the space to be air-conditioned is provided between one inlet 2a and four outlets 2b.
  • the step portion 10 has a rising side surface 10a extending from the surface on which the air outlet 2b is formed to the space to be air-conditioned and a protruding end portion 10b.
  • the suction port 2a and the protruding end portion 10b of the step portion 10 are located on the same surface.
  • the suction port 2a is provided at the same height as the protruding end portion 10b of the stepped portion 10 as viewed in the height dimension direction of the case 1 (the vertical direction in FIG. 2).
  • a reference line Y that extends in a direction orthogonal to the formation surface X of the suction port 2a and passes through the base portion 10c of the rising side surface, and the rising side surface 10a
  • the angle is preferably between ⁇ 45 degrees and +45 degrees.
  • the step portion 10 is formed so as to surround the suction port 2a.
  • the rising side surface 10a of the stepped portion 10 is formed in a loop shape (closed around the circumference) so as to surround the suction port 2a.
  • a stepped portion exists between the suction port and the air outlet, and thus the creepage distance between the air inlet and the air outlet is increased.
  • this short circle suppression effect is effective when air is blown downward from the air outlet. For example, in a scene where air is blown to the floor during heating, the air is lowered downward. Comfortability is improved because it can be blown out.
  • FIGS. 5 and FIG. 6 are diagrams of the same mode as FIG. 1 and FIG.
  • the second embodiment is the same as the first embodiment except for the parts described below.
  • the suction port 202 a is located on the inner side of the case 1 than the protruding end portion 10 b of the stepped portion 10 (see FIG. In the example shown, it is located above.
  • the same advantages as those of the first embodiment are obtained.
  • the creepage distance between the suction port and the outlet can be further increased as compared with the first embodiment, and the short circle can be further suppressed. it can.
  • FIGS. 7 and 8 are diagrams related to the second embodiment in the same manner as FIGS. 1 and 2.
  • this Embodiment 3 shall be the same as that of the said Embodiment 1 except the part demonstrated below.
  • Embodiments 1 and 2 described above a so-called four-direction outlet cassette type indoor unit has been described as an example, but the present invention is not limited to this.
  • the third embodiment is an example in which the direction of the blowing direction is different from those of the first and second embodiments, and relates to a so-called two-way blowing cassette type indoor unit.
  • the decorative panel 302 in the air-conditioning apparatus 300 according to Embodiment 3 is formed in a rectangular shape when viewed from the front (looking straight up from the room).
  • the decorative panel 302 is provided with two suction ports 302a and two air outlets 302b. Both the suction port 302a and the blowout port 302b extend in the long side direction of the decorative panel 302.
  • the two suction ports 302a are disposed between the two air outlets 302b (in the short side direction of the decorative panel 302).
  • a step portion 310 is provided between the suction port 302a and the air outlet 302b.
  • the step portion 310 also has a rising side surface 310a and a protruding end portion 310b.
  • the suction port 302a and the protruding end portion 310b of the stepped portion 302 may be located on the same surface, or the suction port 302 is located closer to the inside of the case than the protruding end portion 310b of the stepped portion 302. May be located.
  • 7 and 8 illustrate an example in which the suction port 302 is located on the inner side of the case with respect to the protruding end portion 310b of the stepped portion 302.
  • FIG. 9 is a diagram of the same mode as FIG.
  • this Embodiment 4 shall be the same as that of the said Embodiment 1 or 2 except the part demonstrated below.
  • the rising side surface 410a of the stepped portion 410 includes an inclined portion that is inclined toward the air outlet 2b as it goes in the direction protruding toward the space to be air-conditioned. .
  • the entire rising side surface 410a is formed of such an inclined portion. Note that such an inclined portion fits the description of FIG. 2 of the first embodiment, and the angle between the reference line Y and the rising side surface 410a is in a range of ⁇ 45 degrees to less than 0 degrees.
  • the suction port is shown as an aspect of the first embodiment.
  • the fourth embodiment is not limited to this, and the suction port is similar to the aspect of the second embodiment. It can also be provided. 9 shows a case where the present invention is applied to a four-way outlet cassette type indoor unit, but the fourth embodiment is not limited to this and is applied to a two-way outlet cassette type indoor unit. You can also be provided.
  • the same advantages as those of the first or second embodiment are obtained.
  • the rising side surface of the step portion since the rising side surface of the step portion includes an inclined portion that is inclined toward the air outlet side, the air that has flowed out from the air outlet becomes extremely difficult to move toward the air inlet side. Thereby, there is an advantage that the effect of preventing a short circle becomes extremely high.
  • FIG. 10 is a diagram of the same mode as FIG.
  • the tenth embodiment is the same as the first, second, or fourth embodiment except for the parts described below.
  • the air conditioner 500 according to the fifth embodiment is a so-called all-round blow cassette type indoor unit, and the decorative panel 502 of the air conditioner 500 has a portion corresponding to the inside of each of the corner portions 22 in plan view (that is, the inside). At the corner portion of the decorative panel, there is a sub air outlet 502d having an opening area smaller than that of the air outlet (main air outlet) 2b. In other words, each of the four sub outlets 502d is provided between a pair of corresponding outlets (main outlets) 2b.
  • Step portions 10 are provided between each of the outlet 2b and the inlet 2a and between the sub outlet 502d and the inlet 2a.
  • the rising side surface of the stepped portion 10 extends in a loop shape.
  • the aspect of the inclination of the rising side surface of the stepped portion and the height relationship between the protruding end portion of the stepped portion and the suction port 2a may be any of the first, second, and fourth embodiments.
  • the same advantages as those of the first or second embodiment are obtained.
  • the fifth embodiment by having the sub air outlet, it is possible to blow out in all directions, but the short cycle suppressing effect is obtained in all directions.
  • the momentum at which the airflow blows out at the sub outlet is apt to be weaker than the momentum at which the airflow blows out at the outlet (main outlet), and the short cycle is more likely to occur. According to this, it is possible to obtain a short cycle suppressing effect even for the blowout of the sub-outlet where such a short cycle is likely to occur.

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

Abstract

L'invention concerne un dispositif de climatisation (100) équipé d'un boîtier (1) ménagé dans le plafond (15a) d'une pièce (15) qui est un espace à climatiser, et équipé également d'un ventilateur centrifuge (3), qui est une partie de ventilation, et d'un échangeur thermique (6), lesquels sont positionnés à l'intérieur du boîtier (1), caractérisé en ce que : la section inférieure du boîtier (1) comporte au moins une sortie d'air (2b) et au moins un orifice d'admission (2a) ; une section étagée (10) pour faire saillie en direction de l'espace à climatiser est ménagée entre l'orifice d'admission (2a) et la sortie d'air (2b) ; et, par exemple, l'orifice d'admission (2a) et une section extrême en saillie (10b) de la section étagée (10) peuvent être l'un et l'autre positionnés sur la même surface, et l'orifice d'admission (2a) peut être positionné en direction de l'intérieur du boîtier (1) par rapport à la section extrême en saillie (10b) de la section étagée (10).
PCT/JP2014/050068 2014-01-07 2014-01-07 Dispositif de climatisation WO2015104791A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2014/050068 WO2015104791A1 (fr) 2014-01-07 2014-01-07 Dispositif de climatisation
JP2015556652A JPWO2015104791A1 (ja) 2014-01-07 2014-01-07 空気調和装置
EP14877785.7A EP3096092A4 (fr) 2014-01-07 2014-01-07 Dispositif de climatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/050068 WO2015104791A1 (fr) 2014-01-07 2014-01-07 Dispositif de climatisation

Publications (1)

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WO2015104791A1 true WO2015104791A1 (fr) 2015-07-16

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PCT/JP2014/050068 WO2015104791A1 (fr) 2014-01-07 2014-01-07 Dispositif de climatisation

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EP (1) EP3096092A4 (fr)
JP (1) JPWO2015104791A1 (fr)
WO (1) WO2015104791A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546661A (zh) * 2016-02-19 2016-05-04 珠海格力电器股份有限公司 空调器
CN110131787A (zh) * 2019-05-31 2019-08-16 宁波奥克斯电气股份有限公司 一种空调出风口的结构及空调器

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JPH09145143A (ja) * 1995-11-27 1997-06-06 Mitsubishi Electric Corp 天井埋込型空気調和機の室内ユニット
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546661A (zh) * 2016-02-19 2016-05-04 珠海格力电器股份有限公司 空调器
WO2017140203A1 (fr) * 2016-02-19 2017-08-24 珠海格力电器股份有限公司 Climatiseur
CN105546661B (zh) * 2016-02-19 2018-11-06 珠海格力电器股份有限公司 空调器
US10627132B2 (en) 2016-02-19 2020-04-21 Gree Electric Appliances, Inc. Of Zhuhai Air conditioner
CN110131787A (zh) * 2019-05-31 2019-08-16 宁波奥克斯电气股份有限公司 一种空调出风口的结构及空调器

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EP3096092A1 (fr) 2016-11-23
EP3096092A4 (fr) 2017-10-25
JPWO2015104791A1 (ja) 2017-03-23

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