WO2015060128A1 - Unité intérieure de climatiseur - Google Patents

Unité intérieure de climatiseur Download PDF

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Publication number
WO2015060128A1
WO2015060128A1 PCT/JP2014/076842 JP2014076842W WO2015060128A1 WO 2015060128 A1 WO2015060128 A1 WO 2015060128A1 JP 2014076842 W JP2014076842 W JP 2014076842W WO 2015060128 A1 WO2015060128 A1 WO 2015060128A1
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WO
WIPO (PCT)
Prior art keywords
indoor unit
heat exchanger
air conditioner
partition plate
centrifugal fan
Prior art date
Application number
PCT/JP2014/076842
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English (en)
Japanese (ja)
Inventor
尾原　秀司
Original Assignee
日立アプライアンス株式会社
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Filing date
Publication date
Application filed by 日立アプライアンス株式会社 filed Critical 日立アプライアンス株式会社
Publication of WO2015060128A1 publication Critical patent/WO2015060128A1/fr

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    • 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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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

Definitions

  • the present invention relates to an indoor unit of a two-way blow type air conditioner.
  • the air conditioner includes a compressor that compresses the refrigerant, an indoor heat exchanger that exchanges heat between the refrigerant and the indoor air, an expansion valve that decompresses the refrigerant, a refrigerant, and a refrigerant circulation channel in which the refrigerant is enclosed.
  • the refrigeration cycle is provided by sequentially arranging an outdoor heat exchanger for exchanging heat with the outside air.
  • the indoor heat exchanger is housed in a housing of the indoor unit together with a blower for sending indoor air to the indoor heat exchanger.
  • ceiling embedded cassette type There are various types of such indoor units, but in recent years, especially in the field for business use, housings are embedded in the ceiling and air is drawn in and out through the decorative panel installed on the ceiling surface.
  • the so-called ceiling embedded cassette type has become mainstream.
  • Patent Document 1 As a two-way blowout type indoor unit, there is one disclosed in Japanese Patent Laid-Open No. 2000-220859 (Patent Document 1).
  • this indoor unit three straight portions are formed by the unit body (housing), a fan fixed to the motor disposed at the central portion of the unit body, a bottom portion and a pair of side portions provided on both sides thereof.
  • It comprises a U-shaped heat exchanger which is formed and which connects these three straight sections by two curvilinear sections, and two air outlets formed along the pair of sides (see abstract).
  • the heat exchangers With the U-shaped heat exchangers, the heat exchangers are disposed on three sides surrounding the fan, and the heat exchanger is not disposed on the other side.
  • a partition plate is provided to close one side where the heat exchanger is not disposed, and the machine room is disposed outside the partition plate (see paragraph 0027, FIG. 2).
  • An object of the present invention is to provide a two-way blow type air conditioner capable of enhancing heat exchange efficiency by improving the balance of the flow of air flowing toward the partition toward the side portions of the heat exchanger. It is to provide an indoor unit.
  • the indoor unit of the air conditioner includes a suction port disposed at a central portion, a blowout port provided along two opposing sides on the outer peripheral side, and the two sides A heat exchanger extending along at least one side and opening at least one side, a partition plate provided at an opening of the heat exchanger and partitioning an inner flow passage of the heat exchanger from the outside, and the partition A centrifugal fan arranged inside by a plate and the heat exchanger, and driving the centrifugal fan to suck indoor air into the centrifugal fan through the suction port;
  • the air discharged from the air flow to the heat exchanger through the inner flow path and the air heat-exchanged by the heat exchanger is blown into the room from the blowout port, the partition plate being opposed to the centrifugal fan.
  • the centrifugal blower side Protrusion-shaped portion which is intended to the provided.
  • the flow rate balance toward the pair of side portions of the heat exchanger is improved, and the heat exchange efficiency is improved in the indoor unit of the two-way blow type air conditioner. it can.
  • FIG. 2 is a cross-sectional view showing a II-II cross section of FIG. 1 and a cross-sectional view showing a cross section including a rotation shaft of a centrifugal blower. It is sectional drawing which shows a cross section perpendicular
  • FIG. 6 is a cross-sectional view showing a VI-VI cross section of FIG. 5 and a cross-sectional view including a rotation shaft of a centrifugal blower.
  • FIG. 7 is a cross-sectional view showing a VII-VII cross section of FIG. 5 and a cross-sectional view including a rotation shaft of a centrifugal blower.
  • FIG. 9 is a cross-sectional view showing the IX-IX cross section of FIG. 8 and a cross-sectional view showing the partition plate 14 by cutting it.
  • the indoor unit of the air conditioner according to the present invention has a suction port at the center and blowouts at two opposing sides on the outer peripheral side, and sucks air into the machine from the room by a centrifugal fan provided in the machine. After cooling or heating air with a heat exchanger provided downstream of the heat exchanger with a drain pan that receives condensed water downstream, air is blown into the room from the outlets provided on the two opposing sides of the heat exchanger downstream. .
  • the shape on the centrifugal fan side of the partition plate is a shape projecting toward the centrifugal fan.
  • the apex of the projecting shape is approximately at the center between the two side outlets.
  • the shape of the portion from the top of the projecting shape toward the heat exchanger side is configured to be convex on the opposite side to the centrifugal fan.
  • the heat exchanger is a U-shaped or U-shaped heat exchanger, and is provided with a centrifugal fan between the two opposing sides, and a blower outlet is provided on the outside of the two opposing sides.
  • a divider is attached between the two ends of the.
  • the heat exchanger is provided only on the two sides corresponding to the blowout port, and a partition plate is also provided between the end opposite to the machine room, and both of the two partition plates are centrifugal fans. It has a shape that protrudes towards.
  • a plurality of centrifugal blowers are provided, and a partition member having a shape protruding toward each centrifugal blower is provided between the plurality of centrifugal blowers.
  • the apexes of the projections of the members between the centrifugal blowers are generally on a straight line connecting the rotational centers of the plurality of centrifugal blowers. From the top of the projecting portion of the partition member between the centrifugal blowers, the shape of the part moving in the direction away from the centrifugal blower is configured to be convex on the opposite side to the nearest centrifugal blower.
  • FIG. 5 shows a cross-sectional view of an example of an indoor unit of a two-direction blowout type air conditioner which is a comparative example to the present invention.
  • This cross section is a cross section of the indoor unit cut along a plane perpendicular to the rotation axis of the centrifugal blower 1 provided inside the indoor unit.
  • symbol 117, 118, 122, 123 shows the flow of air
  • symbol 121 shows the rotation direction of the fan of the centrifugal blower 1.
  • the indoor unit includes a centrifugal fan 1 inside a housing 2 and a U-shaped (U-shaped) heat exchanger 6 around the centrifugal fan 1.
  • the U-shaped heat exchanger 6 is a connecting portion (bottom portion) for connecting the pair of side portions 6a and 6b extending substantially in parallel with the rotary shaft of the centrifugal fan and the pair of side portions 6a and 6b. And 6c.
  • the pair of side portions 6a and 6b and the connecting portion 6c are configured as straight portions. Curved portions 6ac and 6bc are provided between the side portion 6a and the connecting portion 6c and between the side portions 6b and 6c.
  • the pair of side portions 6a and 6b form two opposing sides of the heat exchanger 6, and the connecting portion 6c forms one side connected to the pair of side portions 6a and 6b.
  • a pair of side part 6a, 6b and the connection part 6c may be not linear but curved.
  • outlets 7 (7a, 7b) for blowing out the air of the indoor unit to the outside.
  • the outlets 7a and 7b are provided linearly along the pair of side portions 6a and 6b of the heat exchanger 6.
  • the air outlets 7a and 7b and the pair of side portions 6a and 6b of the heat exchanger 6 are configured substantially in parallel, but may be configured to have an inclination angle.
  • a partition plate 8 is attached to the U-shaped opening of the heat exchanger 6, and a flow path side in which the centrifugal blower 1 is stored, and a machine room 9 in which refrigerant piping and accessories not shown are stored. It is separated.
  • FIG. 6 is a cross-sectional view of the indoor unit of the air conditioner taken along the line VI-VI in FIG.
  • a decorative panel 4 having a suction grill 3 at its center and outlets 7 on both sides thereof is attached.
  • a wind direction plate 28 is provided at the air outlet 7.
  • the centrifugal blower 1 is connected to a motor 5 attached to the top plate of the housing 2 and a drain pan for receiving condensation water generated in the indoor heat exchanger 6 at the time of cooling at the lower part of the heat exchanger 6 provided around it. 10 are installed.
  • the suction grille 3 is attachable to and detachable from the decorative panel 4 together with the filter 23, so that the filter 23 can be easily cleaned.
  • a bellmouth 12 separating the suction side and discharge side of the centrifugal fan 1 is attached from below to the inner peripheral portion of the drain pan 10, and maintenance such as replacement of the centrifugal fan 1 and the motor 5 opens the suction grill 3 and opens the bell mouth 12 It can be easily done by removing the
  • FIG. 7 is a cross-sectional view of the indoor unit of the air conditioner taken along the line VII-VII in FIG.
  • the heat exchanger 6 is provided on one side of the centrifugal fan 1 and the partition plate 8 is provided on the opposite side, and the air outlet is not provided on the outside thereof.
  • an electric item box 13 containing a control board (not shown) for controlling the operation of the indoor unit. By opening the suction grille 3, the electric item box 13 can be easily Maintenance is also possible.
  • the motor 5 is driven to rotate the centrifugal blower 1 connected to the shaft of the motor 5 so that the indoor air is sucked into the grill 3, the filter 23 and the bell mouth 12 as shown by the arrow 116 in FIG.
  • the air is sucked into the suction port 11 of the centrifugal fan 1 through the through hole and discharged from the discharge port 22 of the centrifugal fan 1 as indicated by the arrow 117.
  • the air discharged from the centrifugal fan 1 is subjected to heat exchange in the indoor heat exchanger 6, and then blown out into the room from the blowout port 7 as indicated by an arrow 118.
  • the air discharged from the centrifugal fan 1 collides with the partition plate 8 as shown by arrow 123 and a loss occurs, and most of the air is directed to the rotational direction side as shown by arrow 122 By doing so, the flow is disturbed, which causes a decrease in air volume.
  • the rotational speed of the centrifugal fan 1 In order to compensate for the reduced air volume, the rotational speed of the centrifugal fan 1 must be increased, and the fan power must be increased.
  • FIG. 1 is a cross-sectional view of an indoor unit of an air conditioner according to a first embodiment of the present invention. This cross section is obtained by cutting the indoor unit on a plane perpendicular to the axis of the centrifugal fan 1.
  • FIG. 2 is a cross-sectional view of the indoor unit taken along the line II-II in FIG.
  • symbol 116, 117, 118, 119, 120 shows the flow of air
  • symbol 121 shows the rotation direction of the fan of the centrifugal blower 1.
  • FIG. 1 is a cross-sectional view of an indoor unit of an air conditioner according to a first embodiment of the present invention. This cross section is obtained by cutting the indoor unit on a plane perpendicular to the axis of the centrifugal fan 1.
  • FIG. 2 is a cross-sectional view of the indoor unit taken along the line II-II in FIG.
  • the indoor unit comprises a cosmetic panel 4 having a suction grill 3 at its center and a housing 2 connected to the cosmetic panel 4.
  • the centrifugal blower 1 connected to the shaft of the motor 5 is installed at the central portion in the housing, and a U-shaped (U-shaped) indoor heat exchanger 6 is disposed around the centrifugal blower 1.
  • outlets 7 (7a, 7b) At the outside of the two opposing sides of the heat exchanger 6, there are provided outlets 7 (7a, 7b) for blowing out the air of the indoor unit to the outside.
  • a partition plate 14 is attached to the square U-shaped opening of the heat exchanger 6, and separates the flow path side in which the centrifugal blower 1 is stored from the machine room 9 in which refrigerant piping and accessories not shown are stored. That is, the partition plate 14 is provided at the opening of the heat exchanger 6, and divides the inner flow passage in which the centrifugal fan 1 is accommodated from the outer space. At the lower part of the heat exchanger 6, a drain pan 10 for receiving condensed water generated in the heat exchanger 6 is installed.
  • a bell mouth 12 having an opening that rises up toward the suction port 11 of the centrifugal fan 1 while being gradually reduced in diameter toward the center is attached to the central portion, On the lower surface of the mouse 12, there is provided an electrical item box 13 containing a control board (not shown) for controlling the operation of the indoor unit. Moreover, the partition plate 14 is formed in the convex shape which protruded toward the centrifugal blower 1 side.
  • the partition plate 14 is provided between the side 6 a and the side 6 b on both sides of the heat exchanger 6 whose vertexes 15 are connected to the partition plate 14 (which is located approximately at the center in this embodiment). Further, the apex 15 has a rounded R shape with a corner reduced, and the portion from the apex 15 to the heat exchangers 6a and 6b is formed of a convex curve on the opposite side to the centrifugal fan 1.
  • the apex portion 15 be provided at least in the opening range of the discharge port 22 in the rotational axis direction of the centrifugal fan 1, and in this embodiment, the height dimension of the heat exchanger 6 (the centrifugal fan 1 It is provided over the entire length of the direction along the rotation axis direction.
  • the partition plate 14 is formed of a sheet metal and is bent by press processing or the like to form an inclined surface which is formed of a vertex 15 and a curved surface halfway from the vertex 15 to the sides 6a and 6b.
  • a convex shape may be configured by attaching a convex shaped member in which the apex 15 and the inclined surfaces on both sides thereof are formed to the partition plate 8 described in FIG. 5.
  • a convex portion may be provided to protrude toward the centrifugal fan 1.
  • both ends of the partition plate 14 in the direction connecting the sides 6 a and 6 b of the heat exchanger 6 are connected to the sides 6 a and 6 b of the heat exchanger 6.
  • the vertex part 15 protrudes so that the centrifugal blower 1 may be approached with respect to the both ends of the partition plate 14, and the inclined surface comprised with the curved surface is provided in the both sides of the vertex part 15 in the width direction.
  • the air discharged to the side of the partition plate 14 of the centrifugal blower 1 is indicated by the arrow 119 on the rotational direction side (forward in the rotational direction) than the vertex 15 of the partition plate 14
  • the vertex 15 of the partition plate 14 prevents the flow in the rotational direction, and as shown by the arrow 120.
  • the flow of air on the surface side of the partition plate 14 facing the centrifugal blower 1 can be divided into the rotation direction side and the counter-rotation direction side by the convex shaped portion (projected shape portion) of the partition plate 14 .
  • the air flow discharged from the centrifugal blower 1 corresponds to the side 6b of the heat exchanger 6.
  • a swirl is generated to disturb the flow. This disturbance interferes with a slight air flow which tries to reach the side 6 b of the heat exchanger 6 after colliding with the partition plate 14.
  • the inflowing air flow is reduced, and the heat exchange efficiency is reduced.
  • the decrease in the flow rate of the side 6 b of the heat exchanger 6 results in an increase in the passage resistance of the air in the heat exchanger 6, leading to a decrease in the air volume. According to the present embodiment, it is possible to prevent the flow from being disturbed by the discharge air of the centrifugal blower 1 colliding with the partition plate 14, and to suppress the reduction of the air volume and the increase of the blower power.
  • FIG. 8 is a cross-sectional view showing a cross section similar to FIG. 2 for a modification of the partition plate 14.
  • FIG. 9 is a cross-sectional view in which the partition plate 14 is cut at the cross section shown by IX-IX in FIG.
  • the housing 2 is made of sheet metal, and a foam material 29 is provided on the inner side surface for heat insulation.
  • a convex portion is integrally formed with the foam material provided on the back surface of the housing 2, and the convex portion 14 ′ performs the function of the partition plate 14.
  • the surface on the centrifugal blower 1 side of the convex portion 14 ′ is formed in a convex shape that protrudes toward the centrifugal blower 1 as in the case of the partition plate 14.
  • Convex apexes 15 are provided between the sides 6 a and 6 b on both sides of the heat exchanger 6 (located approximately at the center in this embodiment), and the apexes 15 form the sides 6 a of the heat exchanger 6.
  • the apex portion 15 has an R shape with the corners dropped.
  • the surface (rear surface) opposite to the centrifugal fan 1 of the convex portion 14 ' is a flat surface, and the space between the flat surface and the convex surface is filled with a foam material, and the strength of the convex portion 14' And heat insulation.
  • the convex portion 14 ′ may be formed separately from the foam on the back surface of the housing 2 and may be attached in contact with the foam on the back surface of the housing 2.
  • a partition plate 14 may be provided, and a convex portion 14 ′ formed of a foam material may be fixed to the partition plate 14.
  • the indoor unit of the air conditioner of the present embodiment has the same configuration as the indoor unit of the air conditioner described in FIGS. 5 to 7 except that the partition plate 14 has a convex portion.
  • the description of the configuration described with reference to FIGS. 5 to 7 and the function and effect thereof are applied to the similar configuration.
  • FIG. 3 shows a cross-sectional view of an indoor unit of an air conditioner according to a second embodiment of the present invention. This cross section is obtained by cutting the indoor unit on a plane perpendicular to the axis of the centrifugal fan 1.
  • the arrows 143, 144, 145, 146, and 147 indicate the flow of air, and the arrow 142 indicates the rotation direction of the fan of the centrifugal blower 1.
  • the present embodiment is different from the first embodiment in that the heat exchanger is divided into two, a first heat exchanger 36a and a second heat exchanger 36b, and one of the first heat exchangers 36a. End of the second heat exchanger 36b is connected by the partition plate 14a, and the other end of the first heat exchanger 36a and the other end of the second heat exchanger 36b Are connected by the partition plate 14b.
  • the partition plates 14a and 14b are formed in a convex shape projecting toward the centrifugal fan 1, and have the same configuration as the partition plate 14 in the first embodiment, and have the same function as the partition plate 14.
  • the partition plates 14a and 14b have apexes 15a and 15b, and portions extending from the apexes 15a and 15b to the heat exchangers 36a and 36b are formed by curves convex to the opposite side to the centrifugal fan 1. There is.
  • a blower outlet 37a is provided along the first heat exchanger 36a outside the first heat exchanger 36a, and along the second heat exchanger 36b outside the second heat exchanger 36b.
  • a blowout port 37b is provided.
  • the configuration and effects of the partition plate 14 described in the first embodiment are the same as in the partition plates 14a and 14b in the second embodiment, and the configuration described as the modification in FIGS. 8 and 9 is the second embodiment.
  • the present invention is also applicable to the partition plates 14a and 14b in the embodiments of the present invention.
  • FIG. 4 shows a cross-sectional view of an indoor unit of an air conditioner according to a third embodiment of the present invention. This cross section is obtained by cutting the indoor unit at a plane perpendicular to the axes of the centrifugal fans 1a and 1b. Arrows 163, 164, 165, 167, and 168 indicate the flow of air, and arrows 161 and 162 indicate the rotation direction of the fan of the centrifugal fan 1.
  • the present embodiment is different from the first and second embodiments in that two centrifugal blowers 1a and 1b are disposed inside a U-shaped (U-shaped) heat exchanger 53.
  • a partition member 56 having a shape (convex shape) protruding toward the respective centrifugal fans 1a and 1b is provided in the middle of the centrifugal fans 1a and 1b.
  • the heat exchanger 53 of the present embodiment includes a pair of side portions 53a, 53b extending substantially in parallel across the rotational shaft of the centrifugal blower, and a pair of side portions 53a, 53b. It has a connecting portion (bottom) 53c connecting the side portions 53a and 53b.
  • the pair of side portions 53a and 53b and the connecting portion 53c are configured as linear portions.
  • a curved portion 53 ac and a curved portion 53 bc are provided between the side portion 53 a and the connecting portion 53 c and between the side portions 53 b and 53 c.
  • the pair of side portions 53a and 53b form two opposing sides of the heat exchanger 53, and the connecting portion 53c forms one side connected to the pair of side portions 53a and 53b.
  • a blowout port 59a is provided along the side 53a outside the side (side) 53a of the heat exchanger 53, and is blown along the side 53b outside the side (side) 53b of the heat exchanger 53.
  • An outlet 59b is provided.
  • a partition plate 14 similar to that of the first embodiment is provided at the opening of the U-shaped heat exchanger 53 (between the side portion 53a and the side portion 53b of the heat exchanger 53). It is done.
  • the partition plate 14 is formed in a convex shape protruding toward the centrifugal blower 1 a toward the centrifugal blower 1 a.
  • the partition member 56 is provided with apexes 57, 58 between the two opposing sides 53a and 53b of the heat exchanger 53 (which are located substantially at the center in the present embodiment), and from the apexes 57, 58
  • the portions of the heat exchanger 53 directed to the two sides 53a and 53b are configured to be convex to the opposite side of the centrifugal blower 1a or 1b located in the vicinity and opposed.
  • a large capacity machine or the like may be provided with a plurality of centrifugal fans. At this time, since the discharge air from each of the plurality of centrifugal fans collides to cause disturbance, a partition may be inserted therebetween.
  • the partitions have a shape projecting to the respective centrifugal fans 1a and 1b, the air discharged from both centrifugal fans 1a and 1b can be guided to the heat exchanger 53 without disturbance, which is more effective. It is possible to suppress the decrease in air volume and the increase in blower power.
  • two centrifugal blowers are provided in this embodiment, in the case of three or more, it is preferable to provide a partition member 56 between the respective centrifugal blowers.
  • the configuration of the partition plate 14 described in the first embodiment is applied to the partition member 56 of the present embodiment, and the same function and effect as the partition plate 14 can be obtained.
  • the partition member 56 there is no need to completely separate the centrifugal blower 1a side from the centrifugal fan 1a side, so there is a gap between the ends of the partition member 56 in the width direction with the sides 53a, 53b of the heat exchanger 53. It is provided.
  • the shape of the partition plate itself is a shape projecting toward the centrifugal fan, but it may be a structure in which a convex member is attached to the partition plate. If a convex shape is formed by the partition plate itself, the number of parts can be reduced and the cost can be reduced.
  • the apex in order to distribute the air discharged from the centrifugal fan to the two outlets in a balanced manner, it is desirable that the apex be located substantially at the center between the sides of the heat exchanger connected to the partition plate. However, even if it is offset from the center and there is a vertex at a biased position, a constant effect can be obtained. Further, it is preferable that the portion from the top to the heat exchanger is formed by a convex curve on the opposite side of the centrifugal fan, but this portion may be formed by a straight line.
  • the opposing two sides on the downstream side of the heat exchanger In the indoor unit of an air conditioner that blows air into the room from the outlet provided, discharge of the centrifugal fan to a partition plate that separates the flow path side in which the centrifugal fan is stored and the machine room in which refrigerant piping, accessories and the like are stored. It is possible to reduce the loss caused by the collision of the flow and to suppress the decrease of the air volume and the increase of the fan power.
  • the present invention is not limited to the above-described embodiments, but includes various modifications.
  • the embodiments described above are described in detail in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those having all the configurations.
  • part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.
  • 1, 1a, 1b Centrifugal blower, 2 ... case, 3 ... suction grill, 4 ... makeup panel, 5 ... motor, 6 ... heat exchanger, 7 ... blowout, 8 ... partition plate, 9 ... machine room, 10 ... drain pan, 11 ... suction port of centrifugal fan, 12 ... bell mouth, 13 ... electric component box, 14, 14a, 14b ... partition plate, 14 '... convex shape part, 15, 15a, 15b ... apex part, 22 ... centrifugal

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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'objectif de la présente invention est de fournir une unité intérieure de climatiseur de type évacuation bidirectionnelle avec laquelle l'efficacité d'échange thermique peut être augmentée en améliorant l'équilibre du débit volumique de l'air s'écoulant vers une plaque de séparation, puis vers une paire de parties latérales d'un échangeur thermique. Cette unité intérieure de climatiseur est équipée de : un orifice d'admission disposé au centre de l'unité ; des orifices d'évacuation (7a, 7b) ménagés le long de deux côtés opposés sur le côté périphérique externe ; des échangeurs thermiques (6a, 6b) qui s'étendent le long des deux côtés et sont ouverts sur au moins un côté ; une plaque de séparation (14) qui est ménagée au niveau de l'ouverture des échangeurs thermiques et divise le trajet d'écoulement intérieur des échangeurs thermiques de l'extérieur ; et un ventilateur centrifuge (1) ménagé sur la partie intérieure divisée par la plaque de séparation (14) et les échangeurs thermiques. Une section faisant saillie (15) qui fait saillie en direction du ventilateur centrifuge est ménagée sur la surface de la plaque de séparation (14) opposée au ventilateur centrifuge.
PCT/JP2014/076842 2013-10-21 2014-10-07 Unité intérieure de climatiseur WO2015060128A1 (fr)

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JP2013218250A JP2015081692A (ja) 2013-10-21 2013-10-21 空気調和機の室内機
JP2013-218250 2013-10-21

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WO2015060128A1 true WO2015060128A1 (fr) 2015-04-30

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EP3225934A4 (fr) * 2014-11-28 2018-08-08 Hitachi-Johnson Controls Air Conditioning, Inc. Unité intérieure pour conditionneur d'air
EP3358270A1 (fr) * 2017-02-03 2018-08-08 Mitsubishi Heavy Industries Thermal Systems, Ltd. Unité de climatisation d'air
CN112556269A (zh) * 2017-03-08 2021-03-26 青岛海尔特种电冰柜有限公司 卧式风冷冷柜
CN114251734A (zh) * 2020-09-24 2022-03-29 苏州三星电子有限公司 空调内机和空调
WO2022131646A1 (fr) * 2020-12-16 2022-06-23 삼성전자주식회사 Climatiseur

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JP6477783B2 (ja) 2017-05-24 2019-03-06 ダイキン工業株式会社 空気調和機の室内機
JP6477784B2 (ja) 2017-05-24 2019-03-06 ダイキン工業株式会社 空気調和機の室内機
JP6409908B1 (ja) 2017-05-24 2018-10-24 ダイキン工業株式会社 空気調和機の室内機
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