WO2016166894A1 - 空気調和機の室内機 - Google Patents
空気調和機の室内機 Download PDFInfo
- Publication number
- WO2016166894A1 WO2016166894A1 PCT/JP2015/061872 JP2015061872W WO2016166894A1 WO 2016166894 A1 WO2016166894 A1 WO 2016166894A1 JP 2015061872 W JP2015061872 W JP 2015061872W WO 2016166894 A1 WO2016166894 A1 WO 2016166894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fan
- air conditioner
- indoor unit
- heat exchanger
- heat exchange
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F24F1/0029—Axial fans
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
-
- 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
-
- 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
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
Definitions
- the present invention relates to an indoor unit of an air conditioner having an axial fan.
- Such an indoor unit of a conventional air conditioner includes, for example, a housing in which a suction port is formed in the upper part and a blower outlet is formed in the lower side of the front part. And the inside of a housing
- casing accommodates the axial flow fan provided in the downstream of the suction inlet, and the heat exchanger provided in the downstream of the axial flow fan (for example, refer patent document 1). .
- the present invention has been made to solve the above-described problems, and when the axial fan and the motor that drives the axial fan are attached to the back plate, the moment applied to the attachment portion can be reduced. It is characterized by obtaining a possible indoor unit of an air conditioner.
- the indoor unit of the air conditioner according to the present invention has a suction port formed in the upper surface portion, a blower port is formed below the suction port, a housing having a back plate constituting the back surface portion, and a bell mouth A fan outer frame formed; an axial fan provided in the bell mouth; and a motor for driving the axial fan; a fan unit provided on the downstream side of the suction port in the housing; A heat exchanger provided on the downstream side of the axial fan in the housing and exchanging heat between the air sucked into the housing by the axial fan and the refrigerant, and the back plate projects forward
- the fan unit is supported by the pair of support arms from below.
- the back plate has a pair of holding arms protruding forward, and the fan unit having the axial fan and the motor is held by the pair of holding arms. is doing. For this reason, when the axial fan and the motor for driving the axial fan are attached to the back plate, the moment applied to the attachment portion can be reduced, and the screw hole of the attachment portion can be prevented from being damaged.
- the indoor unit of the air conditioner In the indoor unit of the air conditioner according to the embodiment of the present invention, it is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as seen from the upper right front side. It is the disassembled perspective view which looked at the backplate, the heat exchanger, and the fan unit from the right front upper side in the indoor unit of the air conditioner according to the embodiment of the present invention. It is the A section enlarged view of FIG. It is the B section enlarged view of FIG. It is a right view which shows the backplate of the indoor unit of the air conditioner which concerns on embodiment of this invention. It is a left view which shows the backplate of the indoor unit of the air conditioner which concerns on embodiment of this invention. It is CC sectional drawing of FIG. FIG.
- FIG. 8 is a DD sectional view of FIG. 7.
- FIG. 3 is a cross-sectional view taken along line EE in FIG. 2. It is the F section enlarged view of FIG. It is the G section enlarged view of FIG.
- the indoor unit of the air conditioner according to the embodiment of the present invention it is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the lower right front side. It is the H section enlarged view of FIG. It is a figure which shows the state which pulled out the fan unit ahead from the state shown in FIG.
- the indoor unit of the air conditioner according to the embodiment of the present invention it is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the lower left front side.
- FIG. 1 It is the I section enlarged view of FIG. It is a figure which shows the state which pulled out the fan unit ahead from the state shown in FIG. It is the perspective view which looked at the right side board of the heat exchanger in the indoor unit of the air conditioner which concerns on embodiment of this invention from the right front upper side. It is the perspective view which looked at the left side plate of the heat exchanger in the indoor unit of the air conditioner according to the embodiment of the present invention from the upper right rear side. It is explanatory drawing for demonstrating the moment which acts on the screw hole of the attaching part of the heat exchanger in the indoor unit of the air conditioner which concerns on embodiment of this invention.
- FIG. 1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention as viewed from the upper right front side.
- FIG. 2 is a front view showing the indoor unit of the air conditioner.
- FIG. 3 is an exploded perspective view of the indoor unit of the air conditioner as viewed from the upper right front side.
- FIG. 4 is a side sectional view showing the indoor unit of the air conditioner.
- FIG. 5 is an exploded perspective view of the fan unit and the cleaning unit of the indoor unit of the air conditioner as seen from the upper right front side.
- the left side of the figure is the front side of the indoor unit 100.
- the indoor unit 100 has a suction port 4 formed in an upper surface portion, a blower port 5 formed below the suction port 4, and a housing 1 and an axial fan 33 that is a propeller fan, for example. And a heat exchanger 60 that exchanges heat between the air (indoor air) sucked into the housing 1 by the axial fan 33 and the refrigerant.
- the air outlet 5 is formed on the lower surface of the housing 1.
- the housing 1 has a substantially rectangular parallelepiped box shape, and includes a back plate 2 and a design panel 3.
- the back plate 2 constitutes the back portion of the housing 1.
- the design panel 3 constitutes a front surface portion (front surface portion), left and right side surface portions, an upper surface portion, and a lower surface portion of the housing 1. That is, the suction inlet 4 and the blower outlet 5 are formed in the design panel 3.
- the blower outlet 5 includes an up / down airflow direction plate 5a that adjusts the vertical direction of the air blown from the blowout outlet 5, and a left / right direction that adjusts the horizontal direction of the air blown from the blowout opening 5.
- a wind direction plate (not shown) is provided.
- the housing 1 is composed of the back plate 2 and the design panel 3, but this is merely an example of the housing 1.
- the fan unit 30 is provided on the downstream side of the suction port 4 in the housing 1.
- the fan unit 30 includes a fan outer frame 31 in which a bell mouth 32 is formed, at least one axial fan 33 provided on the bell mouth 32, and a motor 34 that drives the axial fan 33.
- two axial fans 33 are juxtaposed along the left-right direction of the housing 1.
- two bell mouths 32 are also provided in the fan outer frame 31 along the horizontal direction of the housing 1.
- the number of axial fans 33 is merely an example, and the number of axial fans 33 may be determined as appropriate based on the air volume required by the indoor unit 100.
- a motor 34 for driving the axial fan 33 is built in a boss portion 33a of the axial fan 33 (see FIG. 14 described later).
- the fan unit 30 configured in this way is attached to the back plate 2 of the housing 1. The details of the configuration for attaching the fan unit 30 to the back plate 2 will be described later.
- the heat exchanger 60 is provided in the casing 1 on the downstream side of the axial fan 33, that is, the fan unit 30.
- the heat exchanger 60 includes a heat exchanger body 61 that exchanges heat between the air (indoor air) sucked into the housing 1 and the refrigerant.
- the heat exchanger body 61 includes a first heat exchange element 62, a second heat exchange element 63, a third heat exchange element 64, and a fourth heat exchange element 65 from the front side to the back side of the housing 1. Yes.
- Each of the first heat exchange element 62, the second heat exchange element 63, the third heat exchange element 64, and the fourth heat exchange element 65 is provided with a plurality of heat transfer fins 67 arranged in parallel with a predetermined interval therebetween.
- a plurality of heat transfer tubes 68 penetrating these heat transfer fins 67 in the direction in which the heat fins 67 are arranged side by side.
- the 1st heat exchange element 62, the 2nd heat exchange element 63, the 3rd heat exchange element 64, and the 4th heat exchange element 65 are formed in the same magnitude
- the configuration of the heat exchanger body 61 is not limited to this configuration.
- the size of each heat exchange element may be different, and the number of heat exchange elements (that is, the shape in a side view) is also arbitrary.
- the heat exchanger 60 includes a pair of side plates (the right side plate 70 and the left side plate 80) attached to the left and right end portions of the heat exchanger main body 61.
- the heat exchanger 60 is attached to the back plate 2 of the housing 1 via the right side plate 70 and the left side plate 80. Details of the mounting configuration of the heat exchanger 60 to the back plate 2 will be described later.
- the indoor unit 100 is provided with a cleaning unit 90, a drain pan 97, and an electrical component box 98 in the housing 1.
- the cleaning unit 90 includes a cassette 91, a filter 94 and a cleaning mechanism 95.
- the cassette 91 is provided corresponding to the axial fan 33 and is disposed above the axial fan 33 (for example, the suction port 4).
- the cassette 91 has an opening 92 at a position facing the axial fan 33.
- the cassette 91 contains a filter 94 that removes dust from the air sucked into the housing 1.
- two axial fans 33 are provided.
- two cassettes 91 and two filters 94 are also provided corresponding to the axial fan 33.
- a cleaning mechanism 95 that removes and accumulates dust adhering to the filter 94 is provided between the cassettes 91.
- the cassette 91 is configured such that the filter 94 is moved in the left-right direction by a moving mechanism (not shown), and dust attached to the filter 94 is removed during this movement.
- the cleaning unit 90 is supported by the fan unit 30 from below.
- the drain pan 97 is disposed below the heat exchanger 60 and receives and collects dew dropped from the heat exchanger 60.
- the dew collected by the drain pan 97 is configured to be discharged to the outside of the housing 1 through a drain pipe (not shown).
- the electrical box 98 accommodates a control board and the like for controlling the number of revolutions of the motor 34 for driving the axial fan 33.
- the electrical component box 98 is disposed on the right side of the heat exchanger 60.
- a heavy object such as a heat exchanger and a fan is attached to a back plate constituting a back portion of a housing.
- the axial fan 33 needs to be disposed above the heat exchanger 60. That is, with the increase in the size of the heat exchanger 60, the arrangement position of the axial flow fan 33 becomes a position away from the back plate 2.
- the motor 34 that drives the axial fan 33 also moves away from the back plate 2 with the increase in the size of the heat exchanger 60.
- the heat exchanger 60 is increased in size.
- the moment applied to the screw hole of the attachment portion becomes large, and the screw hole of the attachment portion is damaged.
- the indoor unit 100 according to the present embodiment is configured to support the cleaning unit 90 with the fan unit 30. For this reason, in the indoor unit 100 according to the present embodiment, the moment applied to the screw hole of the attachment portion (the screw hole formed in the back plate 2) is further increased, and the screw hole of the attachment portion is damaged. There is a further concern.
- back plate 2 is formed of resin for the purpose of reducing the weight. If the back plate 2 is formed of resin, there is a further concern that the screw holes in the mounting portion will be damaged.
- a pair of support arms 10 and 20 projecting forward are provided on the back plate 2, and the fan unit 30 is supported by the support arms 10 and 20 from below, so that the mounting portion Damage to the screw holes (screw holes formed in the back plate 2) can be prevented.
- the mounting structure of the fan unit 30 will be described with reference to the drawings.
- FIG. 6 is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the upper right front side in the indoor unit of the air conditioner according to the embodiment of the present invention.
- FIG. 7 is an exploded perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the upper right front side in the indoor unit of the air conditioner.
- FIG. 8 is an enlarged view of a portion A in FIG.
- FIG. 9 is an enlarged view of a portion B in FIG.
- FIG. 10 is a right side view showing the back plate of the indoor unit of the air conditioner.
- FIG. 11 is a left side view showing the back plate of the indoor unit of the air conditioner.
- 12 is a cross-sectional view taken along the line CC of FIG.
- FIG. 13 is a cross-sectional view taken along the line DD of FIG. 14 is a cross-sectional view taken along the line EE of FIG.
- FIG. 15 is an enlarged view of a portion F in FIG.
- FIG. 16 is an enlarged view of a portion G in FIG. 6 and 7, the cleaning unit 90 supported by the fan unit 30 is also illustrated.
- the back plate 2 includes a pair of support arms 10 and 20 protruding forward.
- the support arm 10 protruding from the right side of the back plate 2 is formed in a substantially quadrangular prism shape.
- the support arm 10 is lightened by making the inside hollow, and the strength of the support arm 10 is secured by providing ribs 18 inside.
- one side surface of the support arm 10 (the left side surface facing the center side of the housing 1) is open. In this embodiment, one having one open side is called a prism shape.
- the distal end portion of the support arm 10 includes a first distal end portion 12 and a second distal end portion 13 disposed rearward from the first distal end portion 12 by a step 11.
- the first tip portion 12 is provided with a boss portion 14 and a positioning pin 16 protruding forward.
- the boss portion 14 is formed with a screw hole 14a for fixing the fan unit 30.
- the positioning pin 16 is used for positioning the fan unit 30 before the fan unit 30 is screwed.
- the screw hole 14a corresponds to the first screw hole of the present invention.
- the second tip portion 13 is provided with a boss portion 15 and a positioning pin 17 protruding forward.
- the boss portion 15 is formed with a screw hole 15 a for fixing the heat exchanger 60.
- the positioning pins 17 are used for positioning the heat exchanger 60 before the heat exchanger 60 is screwed.
- the support arm 20 protruding from the left side of the back plate 2 is also formed in a shape substantially similar to that of the support arm 10. Specifically, the support arm 20 is formed in a substantially quadrangular prism shape. Further, the support arm 20 is lightened by making the inside hollow, and the strength of the support arm 20 is secured by providing the ribs 28 inside.
- a step 21 is formed at the tip of the support arm 20.
- the distal end portion of the support arm 20 includes a first distal end portion 22 and a second distal end portion 23 disposed rearward from the first distal end portion 22 by a step 21.
- the first tip 22 is provided with a boss 24 and a positioning pin 26 protruding forward.
- the boss portion 24 is formed with a screw hole 24 a for fixing the fan unit 30.
- the positioning pin 26 is used to position the fan unit 30 before the fan unit 30 is screwed.
- the screw hole 24a corresponds to the first screw hole of the present invention.
- the second tip portion 23 is provided with a boss portion 25 protruding forward.
- the boss portion 25 has a screw hole 25a for fixing the heat exchanger 60.
- the boss portion 25 also functions as a positioning pin for positioning the heat exchanger 60 before the heat exchanger 60 is screwed.
- the boss portion 25 corresponds to the positioning pin of the present invention.
- the support arms 10 and 20 are not limited to a substantially quadrangular prism shape.
- the support arms 10 and 20 may be formed in a substantially cylindrical shape and a substantially prismatic shape other than the substantially quadrangular prism shape.
- the lower surface of the fan outer frame 31 of the fan unit 30 is guided along the front-rear direction at a position facing the upper portion of the support arm 10 formed on the right side of the back plate 2.
- a groove 35 is formed.
- a guide groove 45 is formed on the lower surface of the fan outer frame 31 of the fan unit 30 along the front-rear direction at a position facing the upper portion of the support arm 20 formed on the left side of the back plate 2.
- the guide groove 35 is inserted into the support arm 10 so as to be slidable in the front-rear direction, and is formed between an outer guide wall 36 and an inner guide wall 37 erected upward from the lower surface of the fan outer frame 31. ing. Further, at least a part of the front surface side of the guide groove 35 is closed by the mounting plate 38. That is, the guide groove 35 has a shape in which a lower part and a rear part are opened. Further, the mounting plate 38 is disposed in front of the support arm 10, that is, opposite to the distal end portion (more specifically, the first distal end portion 12) of the support arm 10. A through hole 39 is formed in the mounting plate 38 at a position facing the screw hole 14 a formed in the boss portion 14 of the first tip portion 12.
- a positioning hole 40 (through hole) is formed in the mounting plate 38 at a position facing the positioning pin 16 of the first tip portion 12 (see FIG. 6).
- the through hole 39 corresponds to the first through hole of the present invention
- the positioning hole 40 corresponds to the first recess of the present invention.
- the positioning hole 40 does not need to penetrate.
- the guide groove 45 is inserted into the support arm 20 so as to be slidable in the front-rear direction.
- the guide groove 45 is an outer guide wall 46 and an inner guide wall 47 erected upward from the lower surface of the fan outer frame 31 (see FIG. 5). Is formed between. Further, at least a part of the front surface side of the guide groove 45 is blocked by the mounting plate 48. That is, the guide groove 45 has a shape in which a lower part and a rear part are opened. Further, the mounting plate 48 is disposed in front of the support arm 20, that is, opposite to the distal end portion (more specifically, the first distal end portion 22) of the support arm 20.
- a through hole 49 is formed in the mounting plate 48 at a position facing the screw hole 24 a formed in the boss portion 24 of the first tip portion 22. Further, a positioning hole 50 (through hole) is formed in the mounting plate 48 at a position facing the positioning pin 26 of the first tip portion 22 (see FIG. 6).
- the through hole 49 corresponds to the first through hole of the present invention
- the positioning hole 50 corresponds to the first recess of the present invention. In addition, the positioning hole 50 does not need to penetrate.
- the screw inserted into the through hole 39 of the mounting plate 38 is screwed into the screw hole 14 a formed in the first tip 12 of the support arm 10 and fixed, and the screw inserted into the through hole 49 of the mounting plate 48 is fixed.
- a configuration in which the fan unit 30 supported by the support arms 10 and 20 from below is fixed to the support arms 10 and 20 by being screwed into and fixed to the screw holes 24 a formed in the first tip portion 22 of the support arm 20. It has become. With such a configuration, the screw fixing operation of the fan unit 30 can be performed from the front side of the housing 1, and the mounting workability of the fan unit 30 can be improved.
- FIG. 17 is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the lower right front side in the indoor unit of the air conditioner according to the embodiment of the present invention.
- FIG. 18 is an enlarged view of a portion H in FIG.
- FIG. 19 is a view showing a state in which the fan unit is pulled forward from the state shown in FIG.
- FIG. 20 is an assembled perspective view of the back plate, the heat exchanger, and the fan unit as viewed from the lower left front side in the indoor unit of the air conditioner.
- FIG. 21 is an enlarged view of a portion I in FIG.
- FIG. 22 is a diagram illustrating a state where the fan unit is pulled forward from the state illustrated in FIG. 21.
- FIG. 23 is a perspective view of the right side plate of the heat exchanger in the indoor unit of the air conditioner as viewed from the upper right front side.
- FIG. 24 is a perspective view of the left side plate of the heat exchanger in the indoor unit of the air conditioner as viewed from the upper right rear side.
- the right side plate 70 provided at the right end of the heat exchanger main body 61 includes a side plate main body 71 connected to the heat exchanger main body 61, and the side plate main body 71. And an attachment portion 72 projecting upward.
- the side plate main body 71 is connected to the right end of the heat exchanger main body 61 by welding, for example.
- the attachment portion 72 is disposed in front of the support arm 10, that is, opposite to the distal end portion (more specifically, the second distal end portion 13) of the support arm 10.
- a through hole 73 is formed in the attachment portion 72 at a position facing the screw hole 15 a formed in the boss portion 15 of the second tip portion 13.
- a positioning hole 74 (through hole) is formed in the attachment portion 72 at a position facing the positioning pin 17 of the second tip portion 13.
- the through hole 73 corresponds to the second through hole of the present invention
- the positioning hole 74 corresponds to the second recess of the present invention.
- the positioning hole 74 does not need to penetrate.
- the left side plate 80 provided at the left end of the heat exchanger main body 61 includes a side plate main body 81 connected to the heat exchanger main body 61, and the side plate main body 81. And a mounting portion 82 projecting upward.
- the heat transfer tube holding hole 81a is formed in the side plate body 81 at a position facing the U-shaped pipe. The side plate body 81 is connected to the left end portion of the heat exchanger body 61 by inserting the U-shaped pipe into the heat transfer tube holding hole 81a.
- the attachment portion 82 is disposed in front of the support arm 20, that is, opposite to the distal end portion (more specifically, the second distal end portion 23) of the support arm 20.
- a through hole 83 is formed in the attachment portion 82 at a position facing the screw hole 25 a formed in the boss portion 25 of the second tip portion 23.
- a flange 84 that protrudes rearward (on the back plate 2 side) is formed on the outer peripheral portion of the through hole 83 in the attachment portion 72. That is, a recess having the flange 84 as an outer peripheral wall is formed behind the through hole 83.
- the through hole 83 corresponds to the second through hole of the present invention
- the recess having the flange 84 as the outer peripheral wall corresponds to the second recess of the present invention.
- the screw 75 inserted into the through hole 73 of the attachment portion 72 is screwed into the screw hole 15 a formed in the second tip portion 13 of the support arm 10 and fixed, and the screw inserted into the through hole 83 of the attachment portion 82.
- the heat exchanger 60 is fixed to the support arms 10 and 20 by being screwed into a screw hole 25a formed in the second tip 23 of the support arm 20 and fixed. With such a configuration, the screw fixing operation of the heat exchanger 60 can be performed from the front side of the housing 1, and the mounting workability of the heat exchanger 60 can be improved.
- the heat exchanger 60 is first attached.
- the positioning pins 17 provided at the second tip 13 of the support arm 10 are inserted into the positioning holes 74 formed in the attachment portion 72 of the right side plate 70. Further, the boss portion 25 provided at the second distal end portion 23 of the support arm 20 is inserted into a recess having the flange 84 formed on the attachment portion 82 of the left side plate 80 as an outer peripheral wall. Thereby, the heat exchanger 60 can be temporarily positioned with respect to the support arms 10 and 20, and the screw fixing operation described later is facilitated.
- the heat exchanger 60 is screwed to the support arms 10 and 20. Specifically, the screw 75 inserted into the through hole 73 of the attachment portion 72 of the right side plate 70 is screwed into the screw hole 15a formed in the second tip portion 13 of the support arm 10 and fixed (see FIGS. 18 and 19).
- the heat exchanger 60 is fixed to the support arm 20 by screwing the screw inserted into the through hole 83 of the attachment portion 82 of the left side plate 80 into the screw hole 25a formed in the second tip 23 of the support arm 20. 10 and 20 are fixed.
- FIG. 25 is an explanatory diagram for explaining the moment acting on the screw hole of the mounting portion of the heat exchanger in the indoor unit of the air conditioner according to the embodiment of the present invention.
- FIG. 26 acts on the screw hole of the attachment part of a heat exchanger at the time of employ
- G1 shown in FIGS. 25 and 26 is the center of gravity of the heat exchanger 60.
- the conventional indoor unit does not include the support arms 10 and 20 as described in the present embodiment on the back plate. For this reason, when the heat exchanger 60 is attached to the back plate 2 in the conventional attachment configuration, the attachment position of the heat exchanger 60 is the Z2 position in FIG. For this reason, since the distance between the mounting position Z2 and the center of gravity G1 of the heat exchanger 60 is increased, the screw hole formed in the mounting position Z2 of the back plate 2 (the screw hole for fixing the heat exchanger 60) is formed. This moment M2 becomes large, and there is a concern about breakage of the screw hole.
- the heat exchanger 60 is attached to the second tip portions 13 and 23 of the support arms 10 and 20.
- the mounting position of the heat exchanger 60 is the Z1 position in FIG. Therefore, since the distance between the mounting position Z1 and the center of gravity G1 of the heat exchanger 60 can be reduced, screw holes 15a and 25a (screw holes for fixing the heat exchanger 60) formed in the mounting position Z1 of the back plate 2. Can be reduced. For this reason, it is possible to prevent the screw holes 15a and 25a from being damaged.
- the heat exchanger 60 when the heat exchanger 60 is formed in a W shape when viewed from the side, as shown in FIG. 25, a position facing the upper end portion of the second heat exchange element 63 or the third heat exchange element 64 (shown in FIG. 25). It is preferable that the second tip portions 13 and 23 of the support arms 10 and 20 are extended to a range of W).
- the center of gravity of the heat exchanger 60 is located in the vicinity of the W range. For this reason, the moment M1 applied to the screw holes 15a and 25a can be further reduced, and the screw holes 15a and 25a can be further prevented from being damaged.
- the first heat exchange element 62, the second heat exchange element 63, the third heat exchange element 64, and the fourth heat exchange element 65 are formed in the same size.
- the center of gravity of the heat exchanger 60 is located within the range of W.
- the moment M1 applied to the screw holes 15a and 25a can be further reduced, and the screw holes 15a and 25a can be further prevented from being damaged.
- the fan unit 30 is attached to the support arms 10 and 20 of the back plate 2.
- the fan unit 30 is placed on the support arms 10 and 20.
- guide grooves 35 and 45 are formed in the fan unit 30.
- the fan unit 30 is temporarily positioned with respect to the support arms 10 and 20.
- a screw fixing operation of the fan unit 30 described later is facilitated.
- the fan unit 30 can be temporarily positioned.
- the mounting plate 38 is attached to the first tip portion 12 of the support arm 10.
- the attachment plate 48 contacts the first tip portion 22 of the support arm 20.
- the support arm 10 has the step 11 formed between the first tip portion 12 and the second tip portion 13 (attachment portion of the heat exchanger 60).
- the support arm 20 has a step 21 formed between the first tip portion 22 and the second tip portion 23 (attachment portion of the heat exchanger 60).
- the positioning pin 16 provided at the first tip portion 12 of the support arm 10 is inserted into the positioning hole 40 formed in the mounting plate 38. Is done.
- the positioning pin 26 provided at the first tip portion 22 of the support arm 20 is inserted into the positioning hole 50 formed in the mounting plate 48. Inserted. Thereby, the fan unit 30 can be temporarily positioned with respect to the support arms 10 and 20 with higher accuracy.
- the operation of inserting the positioning pins 16 and 26 into the positioning holes 40 and 50 of the mounting plates 38 and 48 is performed in a state where the fan unit 30 is roughly positioned by the guide grooves 35 and 45 and the support arms 10 and 20. Is called. For this reason, the operation
- the fan unit 30 is screwed to the support arms 10 and 20. Specifically, the screw inserted into the through hole 39 of the mounting plate 38 is screwed into the screw hole 14 a formed in the first tip portion 12 of the support arm 10 and fixed, and the screw inserted into the through hole 49 of the mounting plate 48.
- the fan unit 30 is fixed to the support arms 10 and 20 by being screwed into and fixed to the screw holes 24 a formed in the first tip portion 22 of the support arm 20.
- FIG. 27 is an explanatory diagram for explaining the moment acting on the screw hole of the mounting portion of the fan unit in the indoor unit of the air conditioner according to the embodiment of the present invention.
- FIG. 28 shows the moment acting on the screw hole of the mounting portion of the fan unit when the conventional mounting configuration is adopted as the mounting configuration of the fan unit in the indoor unit of the air conditioner according to the embodiment of the present invention. It is explanatory drawing for demonstrating.
- G2 shown in FIGS. 27 and 28 is the center of gravity of the fan unit 30.
- the conventional indoor unit does not include the support arms 10 and 20 as described in the present embodiment on the back plate. For this reason, when the fan unit 30 is attached to the back plate 2 with the conventional attachment configuration, the attachment position of the fan unit 30 is the Z4 position in FIG. For this reason, since the distance between the mounting position Z4 and the center of gravity G2 of the fan unit 30 is increased, the moment applied to the screw hole (screw hole for fixing the fan unit 30) formed in the mounting position Z4 of the back plate 2. M4 becomes large, and there is a concern about breakage of the screw hole.
- the indoor unit 100 according to the present embodiment is configured such that a part of the load of the fan unit 30 is supported by the support arms 10 and 20. For this reason, since the moment concerning the screw hole for fixing the fan unit 30 can be made small, the said screw hole can be prevented from being damaged. Further, in indoor unit 100 according to the present embodiment, fan unit 30 is attached to first tip portions 12 and 22 of support arms 10 and 20. For this reason, the mounting position of the fan unit 30 is the Z3 position in FIG. Therefore, since the distance between the mounting position Z3 and the center of gravity G2 of the fan unit 30 can be reduced, the screw holes 14a and 24a (screw holes for fixing the fan unit 30) formed in the mounting position Z3 of the back plate 2 are applied. The moment M3 can be reduced. For this reason, it is possible to further prevent the screw holes 14a and 24a from being damaged.
- the first tip portions 12 and 22 of the support arms 10 and 20 extend forward from the center of gravity G2 of the fan unit 30.
- the entire load of the fan unit 30 can be supported by the support arms 10 and 20, no moment is applied to the screw hole for fixing the fan unit 30, and it is ensured that the screw hole is damaged. Can be prevented.
- this effect can be achieved even when the screw holes 14a and 24a for fixing the fan unit 30 are formed in the first tip portions 12 and 22 of the support arms 10 and 20, that is, the fan is located in a place other than the screw holes 14a and 24a. This is an effect obtained even when a screw hole for fixing the unit 30 is formed.
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Abstract
Description
このように構成されたファンユニット30は、筐体1の背面板2に取り付けられる。ファンユニット30の背面板2への取付構成の詳細については、後述する。
この清掃ユニット90は、下方からファンユニット30によって支持されている。
続いて、本実施の形態に係るファンユニット30及び熱交換器60の取付構成の詳細について説明する。
従来、熱交換器及びファン等のような重量物は、筐体の背面部を構成する背面板に取り付けられている。ここで、本実施の形態に係る室内機100のように軸流ファン33を採用した場合、軸流ファン33を熱交換器60の上方に配置する必要がある。つまり、熱交換器60の大型化に伴って、軸流ファン33の配置位置は、背面板2から前方に離れた位置となる。また、軸流ファン33を駆動するモーター34も、熱交換器60の大型化に伴って、背面板2から前方に離れた位置となる。このため、軸流ファン33を有する本実施の形態に係る室内機100においては、軸流ファン33及びモーター34を従来の構成で背面板2に取り付けた場合、熱交換器60の大型化に伴って、取付部のネジ穴(背面板2に形成されたネジ穴)にかかるモーメントが大きくなってしまい、当該取付部のネジ穴が破損してしまうことが懸念される。
また、本実施の形態に係る室内機100においては、軽量化を図る等の目的で、背面板2を樹脂で形成することも想定している。背面板2を樹脂で形成すると、取付部のネジ穴が破損してしまうことがさらに懸念される。
以下、図面を用いながら、ファンユニット30の取付構成の詳細について説明する。
なお、図6及び図7では、ファンユニット30に支持された清掃ユニット90も図示している。
なお、本実施の形態では、支持アーム10の一側面(筐体1の中心側に面した左側面)が開口している。このように一側面が開口しているものも、本実施の形態では角柱形状と称するものとする。
ここで、ネジ穴14aが、本発明の第1ネジ穴に相当する。
ここで、ネジ穴24aが、本発明の第1ネジ穴に相当する。
ここで、ボス部25が、本発明の位置決めピンに相当する。
ここで、貫通穴39が本発明の第1貫通穴に相当し、位置決め穴40が本発明の第1凹部に相当する。なお、位置決め穴40は、貫通している必要はない。
ここで、貫通穴49が本発明の第1貫通穴に相当し、位置決め穴50が本発明の第1凹部に相当する。なお、位置決め穴50は、貫通している必要はない。
上述のように、熱交換器60は、筐体の背面部を構成する背面板に取り付けられている。そして、熱交換器60の大型化に伴って、熱交換器60の重心は、背面板2から前方に離れた位置となる。このため、熱交換器60を従来の構成で背面板2に取り付けた場合、熱交換器60の大型化に伴って、取付部のネジ穴(背面板2に形成されたネジ穴)にかかるモーメントが大きくなってしまい、当該取付部のネジ穴が破損してしまうことが懸念される。
また、本実施の形態に係る室内機100においては、軽量化を図る等の目的で、背面板2を樹脂で形成することも想定している。背面板2を樹脂で形成すると、取付部のネジ穴が破損してしまうことがさらに懸念される。
以下、図面を用いながら、熱交換器60の取付構成の詳細について説明する。
ここで、貫通穴73が本発明の第2貫通穴に相当し、位置決め穴74が本発明の第2凹部に相当する。なお、位置決め穴74は、貫通している必要はない。
ここで、貫通穴83が本発明の第2貫通穴に相当し、フランジ84を外周壁とする凹部が本発明の第2凹部に相当する。
上述のように構成されたファンユニット30及び熱交換器60の取付動作は、次のような手順で行われる。
なお、ガイド溝35及びガイド溝45のうちの少なくとも1つがあれば、ファンユニット30を仮位置決めできる。
Claims (10)
- 上面部に吸込口が形成され、該吸込口よりも下方に吹出口が形成され、背面部を構成する背面板を有する筐体と、
ベルマウスが形成されたファン外枠、前記ベルマウスに設けられた軸流ファン、及び該軸流ファンを駆動するモーターを有し、前記筐体内における前記吸込口の下流側に設けられたファンユニットと、
前記筐体内における前記軸流ファンの下流側に設けられ、前記軸流ファンによって前記筐体内へ吸い込まれた空気と冷媒とを熱交換させる熱交換器と、
を備え、
前記背面板は、前方へ突設された一対の支持アームを有し、
前記ファンユニットは、下方から一対の前記支持アームで支持されている空気調和機の室内機。 - 前記ファン外枠は、前記支持アームのそれぞれの前方に設けられ、第1貫通穴が形成された取付板を有し、
前記支持アームのそれぞれは、前記取付板の前記第1貫通穴と対向する位置に、第1ネジ穴が形成されており、
前記取付板の前記第1貫通穴に挿入したネジを前記支持アームの前記第1ネジ穴にねじ込んで固定することにより、前記ファンユニットは前記支持アームに固定される請求項1に記載の空気調和機の室内機。 - 前記取付板のそれぞれには、第1凹部が形成され、
前記支持アームのそれぞれの先端部には、前記取付板の前記第1凹部に挿入される位置決めピンが突設されている請求項2に記載の空気調和機の室内機。 - 前記ファン外枠は、前記支持アームの少なくとも一方の上部と対向する位置に、前後方向に沿ってガイド溝が形成され、
前記支持アームの少なくとも一方が、前記ガイド溝に前後方向に摺動自在に挿入されている請求項1~請求項3のいずれか一項に記載の空気調和機の室内機。 - 一対の前記支持アームの前端部は、前記ファンユニットの重心よりも前方まで伸びている請求項1~請求項4のいずれか一項に記載の空気調和機の室内機。
- 前記熱交換器は、左右側端部に設けられた一対の側板を備え、
前記側板のそれぞれは、前記支持アームのそれぞれの前方に設けられ、第2貫通穴が形成された取付部を有し、
前記支持アームのそれぞれは、前記取付部の前記第2貫通穴と対向する位置に、第2ネジ穴が形成されており、
前記取付部の前記第2貫通穴に挿入したネジを前記支持アームの前記第2ネジ穴にねじ込んで固定することにより、前記熱交換器は前記支持アームに固定される請求項1~請求項5のいずれか一項に記載の空気調和機の室内機。 - 前記取付部のそれぞれには、第2凹部が形成され、
前記支持アームのそれぞれの先端部には、前記取付部の前記第2凹部に挿入される位置決めピンが突設されている請求項6に記載の空気調和機の室内機。 - 前記熱交換器は、
前記筐体の前面側から背面側にかけて、第1熱交換要素、第2熱交換要素、第3熱交換要素及び第4熱交換要素を有し、
前記第1熱交換要素、前記第2熱交換要素、前記第3熱交換要素及び前記第4熱交換要素は、側面視W字状に配置されており、
前記支持アームの先端部は、前記第2熱交換要素の上端部又は前記第3熱交換要素の上端部と対向する位置まで伸びている請求項6又は請求項7に記載の空気調和機の室内機。 - 前記第1熱交換要素、前記第2熱交換要素、前記第3熱交換要素及び前記第4熱交換要素が同じ大きさである請求項8に記載の空気調和機の室内機。
- 前記筐体内に吸い込まれる空気から塵埃を除去するフィルター、及び、該フィルターに付着した塵埃を除去して貯留する清掃機構を有する清掃ユニットを備え、
該清掃ユニットは、前記ファンユニットの上方に配置され、下方から該ファンユニットによって支持されている請求項1~請求項9のいずれか一項に記載の空気調和機の室内機。
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AU2015391312A AU2015391312B2 (en) | 2015-04-17 | 2015-04-17 | Indoor unit of air-conditioning apparatus |
RU2017134679A RU2669041C1 (ru) | 2015-04-17 | 2015-04-17 | Комнатный блок устройства для кондиционирования воздуха |
JP2017512176A JP6456483B2 (ja) | 2015-04-17 | 2015-04-17 | 空気調和機の室内機 |
US15/545,353 US10746416B2 (en) | 2015-04-17 | 2015-04-17 | Indoor unit of air-conditioning apparatus |
EP15868661.8A EP3104087B1 (en) | 2015-04-17 | 2015-04-17 | Indoor unit for air conditioner |
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EP3104087A1 (en) | 2016-12-14 |
AU2015391312A1 (en) | 2017-08-24 |
RU2669041C1 (ru) | 2018-10-05 |
JP6456483B2 (ja) | 2019-01-23 |
US20180010812A1 (en) | 2018-01-11 |
CN106716021A (zh) | 2017-05-24 |
EP3104087A4 (en) | 2017-05-03 |
AU2015391312B2 (en) | 2018-11-08 |
US10746416B2 (en) | 2020-08-18 |
CN106716021B (zh) | 2019-07-09 |
JPWO2016166894A1 (ja) | 2017-11-09 |
EP3104087B1 (en) | 2021-01-20 |
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