EP2520869B1 - Ceiling-mounted air conditioner - Google Patents
Ceiling-mounted air conditioner Download PDFInfo
- Publication number
- EP2520869B1 EP2520869B1 EP12166175.5A EP12166175A EP2520869B1 EP 2520869 B1 EP2520869 B1 EP 2520869B1 EP 12166175 A EP12166175 A EP 12166175A EP 2520869 B1 EP2520869 B1 EP 2520869B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit body
- blower
- unit
- ceiling
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 15
- 238000000638 solvent extraction Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 22
- 238000007689 inspection Methods 0.000 description 21
- 230000002787 reinforcement Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 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
- F24F1/0043—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
- 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
- F24F1/0018—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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
Definitions
- the unit body includes: a support member bent substantially at a right angle, one surface of which is configured to be a partition plate for partitioning an inside of the unit body into an inlet region and an outlet region, and the other surface of which is configured to be a support plate for supporting at least one fan and at least one motor of the blower unit, and the blower unit is integrated with the support member.
- the unit body further includes: a pair of rail members installed in parallel at a predetermined distance therebetween on an inner surface of a top plate from one end to the other end of the top plate of the unit body; and an aperture provided in one side surface of the unit body, and the blower unit is slidingly inserted between the rail members from the aperture so as to be mounted into the unit body through the support member.
- the blower unit is drawn to one side of the unit body together with the support member from the aperture provided on the one side surface of the unit body along the pair of the rail members, and the blower subunit integrated with the support member is taken out to the outside, so as to carry out the inspection and maintenance operation thereof.
- the blower subunits 11A, 11B are mounted through brackets or the like to respective support members 20A, 20B (see Figure 3 , Figure 4 ) each of which is formed by bending a plate member substantially at a right angle, thereby integrating the blower subunits 11A, 11B with the respective support members 20A, 20B.
- One horizontal surfaces of the support members 20A, 20B are configured to be support plates 21A, 21B that mount and support the sirocco fans 18A, 18B, 18C and the motors 19A, 19B through brackets or the like, and the other vertical surface of the support members 20A, 20B are configured to be partition plates 22A, 22B that divide the inside of the unit body 2 into the inlet region 16 and the outlet region 17.
- the inspection port 10 provided in the ceiling plane 9 is opened to access the unit body 2.
- Equipment such as the control box 15 attached to the outside of the unit body 2 can be inspected and maintained by simply opening the cover of the control box 15 or detaching the control box 15.
- Equipment installed inside the unit body 2 is usually taken out from the unit body 2 through the inspection port 10 toward the room.
- the inspection and or maintenance for the blower subunits 11A, 11B mounted in the unit body 2 are carried out as follow.
- the pair of the rail members 24, 25 can also serve as the reinforcement member for the top plate 2A of the unit body 2, thereby providing a required level of improvement in deformation and vibration characteristics of the top plate 2A where the blower unit 11 is mounted without increasing the thickness of the top plate 2A.
- the pair of the rail members 24, 25 is formed of a plate member whose cross section is bent in a crank shape, and the rail portions 24B, 25B thereof are oppositely fixed to the inner surface of the top plate 2A of the unit body 2.
- Configuring one side of the plate member having the cross section bent into a crank shape to be the attachment portions 24A, 25A to the top plate 2A, and configuring the other side thereof to be the rail portions 24B, 25B oppositely mounted to the inner surface of the top plate 2A of the unit body 2 enables the plate member in the crank shape to serve as the pair of the rail members 24, 25 allowing the blower subunits 11A, 11B to be slidingly inserted and mounted into the unit body 2 as well as the reinforce member for the top plate 2A.
- the blower unit 11 includes plural pairs of the sirocco fans 18A, 18B, 18C and the motors 19A, 19B, and is divided into at least two individual blower subunits (blower subunits 11A, 11B), and the blower subunits 11A, 11B are individually inserted and mounted into the unit body 2 slidingly along the pair of the rail members 24, 25.
- the plural pairs of the fans and the motors are provided, and attached or detached into the unit body 2, the plural pairs of the sirocco fans 18A, 18B, 18C and the motors 19A, 19B can be handled in the blower subunits 11A, 11B divided into at least two individual subunits, each of which is individually inserted into or taken out from the unit body 2.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Description
- The present invention relates to a ceiling-mounted air conditioner of which unit body is mounted in a ceiling.
- In a ceiling-mounted air conditioner having a unit body installed in a ceiling, it is quite difficult to secure space for maintenance of the air conditioner. In reality, a maintenance operation is carried out through an inspection port provided in the ceiling, from which necessary components are taken out to a room. For this reason, a control box and other components are detachably attached to an outer side surface of the unit body, and a blower unit including a blower fan, a motor and other components is detachably/attachably mounted in the unit body so as to take out the whole blower unit from the unit body.
- PTL1 discloses a blower unit detachably/attachably mounted in a unit body in that the unit body is provided with a pair of support rails on an upper panel of the unit body, and an impeller and a motor of a blower unit are integrally inserted slidingly along the support rails into the unit body from an inspection port formed in a side panel, so that the impeller is mounted in a fan case fixed to a rear panel of the unit body.
- PTL2 discloses an approach for facilitating a maintenance operation of an air conditioner, in which a pair of support fittings on which a fan motor base is mounted is attached to a pair of frames oppositely mounted on a base of a body, and the fan motor base equipped with a fan motor is inserted and mounted from above onto the pair of support fittings, and then is slidingly moved to a predetermined setting position to be fixed there, thus the fan motor can be detachably/attachably mounted.
- PTL 3 discloses a ceiling mounted air conditioner according to the preamble of claim 1. In PTL 3, the support member is a vertical plate having rails for supporting the blower.
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- PTL 1 Japanese Examined Patent Application, Publication No.
Hei07-084930 -
PTL 2 the Publication of Japanese Examined Utility Model Registration No.2561906 - PTL 3 European patent application No.
EP 2 108 897 A1 - However, in the configuration of the ceiling-mounted air conditioner disclosed in PTL1, the fan casing is fixed to the unit body, and only the impeller and the motor of the blower unit can be slidingly inserted and mounted into the unit body through the support rails. In the case of an air conditioner using a single blower unit, this may cause no inconvenience in attaching and detaching the blower unit in a maintenance operation. The above mentioned configuration however cannot be applied to an air conditioner using a dual-axis motor and a blower unit equipped with impellers on opposite ends of its motor shaft or an air conditioner using plural blower units.
- PTL2 discloses the configuration in which the fan motor base integrated with the fan motor is inserted and mounted from above onto the pair of support fittings. Thus, predetermined space is required above the support fittings, which increases the unit body size, and this configuration cannot be applied to a ceiling-mounted air conditioner using a blower unit directly mounted to a top plate of a unit body.
- The present invention has been made in the light of the above facts, and has an object to provide a ceiling-mounted air conditioner that facilitates attachment and detachment of a blower unit to a unit body regardless of the number of blower units, as well as realizes improvement of deformation and vibration characteristics of the top plate of the unit body.
- In order to solve the problems, the present invention provides a ceiling-mounted air conditioner including a unit body in a box shape mounted in a ceiling, and a heat exchanger and a blower unit that are mounted in the unit body, wherein the unit body includes: a support member bent substantially at a right angle, one surface of which is configured to be a partition plate for partitioning an inside of the unit body into an inlet region and an outlet region, and the other surface of which is configured to be a support plate for supporting at least one fan and at least one motor of the blower unit, and the blower unit is integrated with the support member. In this ceiling-mounted air conditioner, the unit body further includes: a pair of rail members installed in parallel at a predetermined distance therebetween on an inner surface of a top plate from one end to the other end of the top plate of the unit body; and an aperture provided in one side surface of the unit body, and the blower unit is slidingly inserted between the rail members from the aperture so as to be mounted into the unit body through the support member.
- In the ceiling-mounted air conditioner including the blower unit mounted in the unit body according to the present invention, the unit body includes: a support member bent substantially at a right angle, one surface of which is configured to be a partition plate for partitioning an inside of the unit body into an inlet region and an outlet region, and the other surface of which is configured to be a support plate for supporting at least one fan and at least one motor of the blower unit, and the blower unit is integrated with the support member. In this ceiling-mounted air conditioner, the unit body further includes: a pair of rail members installed in parallel at a predetermined distance therebetween on an inner surface of a top plate from one end to the other end of the top plate of the unit body; and an aperture provided in one side surface of the unit body, and the blower unit is slidingly inserted between the rail members from the aperture so as to be mounted into the unit body through the support member. When maintaining the blower unit, the blower unit is drawn to one side of the unit body together with the support member from the aperture provided on the one side surface of the unit body along the pair of the rail members, and the blower subunit integrated with the support member is taken out to the outside, so as to carry out the inspection and maintenance operation thereof. Accordingly, the above described configuration facilitates a maintenance operation applied on the blower unit taken out from the unit body mounted in the ceiling, and enhances efficiency of the operation. Furthermore, the pair of the rail members can also serve as the reinforcement member for the top plate of the unit body, thereby providing a required level of improvement in deformation and vibration characteristics of the top plate where the blower unit is mounted without increasing the thickness of the top plate.
- In the above described ceiling-mounted air conditioner according to the present invention, the blower unit may have an outlet port of the fan projecting into the outlet region through the partition plate of the support member.
- According to the above described configuration, the configuration of the outlet port of the fan included in the blower unit projecting through the partition plate of the support member into the outlet region can directly introduce the outlet air blowing from the outlet port of the fan into the outlet region in the unit body, which is partitioned by the partition plate. As a result, it is unnecessary to provide a wind shielding member or the like between the partition plate partitioning the inside of the unit body and the outlet port of the fan of the blower unit, thereby simplifying the structure of the unit body.
- In any one of the above described ceiling-mounted air conditioner according to the present invention, the rail members may be formed of a plate member whose cross section is bent in a crank shape and whose rail portions are oppositely fixed to an inner surface of the top plate of the unit body.
- According to the present invention, the rail members are formed of a plate member whose cross section is bent in a crank shape and whose rail portions are oppositely fixed to an inner surface of the top plate of the unit body. Configuring one side of the plate member having the cross section bent into a crank shape to be the attachment portion to the top plates, and configuring the other side thereof to be the rail portions oppositely mounted to the inner surface of the top plate of the unit body enable the plate member in the crank shape to serve as the pair of the rail members allowing the blower unit to be slidingly inserted and mounted into the unit body as well as the reinforce member for the top plate. Accordingly, using the rail members for installing the blower unit as the reinforcement member for the top plate improves deformation and vibration characteristics of the top plate of the unit body at a required level, thereby simplifying the structure of the unit body and reducing the cost.
- In any one of the above described ceiling-mounted air conditioner according to the present invention, a cover may be detachably attached to the aperture, and may serve as an attachment seat for a control box.
- According to the present invention, the cover is detachably attached to the aperture of the unit body, and is also used as the attachment seat for the control box. Accordingly, when the blower unit in the unit body is maintained, the cover together with the control box is detached so that the blower unit can be taken out from the aperture for the maintenance. In addition to this, the cover is also used as the attachment seat for the control box, and the control box can be mounted onto the outer side surface of the unit body. Without complicating the attachment and detachment operation at the time of maintenance, the cover can also be used as the attachment seat for the control box, thereby simplifying the structure of the unit body and reducing the cost.
- In any one of the above described ceiling-mounted air conditioner according to the present invention, the blower unit may include plural pairs of the fans and the motors, the plural pairs of the fans and the motors may be divided into at least two blower subunits, and each of the subunits may be individually inserted slidingly through the pair of the rail members so as to be mounted in the unit body.
- According to the present invention, the blower unit includes plural pairs of the fans and the motors, the plural pairs of the fans and the motors are divided into at least two blower subunits, and each of the subunits is individually inserted slidingly through the pair of the rail members so as to be mounted in the unit body. Hence, even if the plural pairs of fans and motors are provided, and attached into or detached from the unit body, the plural pairs of the fans and the motors can be handled in the blower subunits divided in at least two individual subunits, each of which is individually inserted into or taken out of the unit body. Accordingly, it is unnecessary to integrally handle the plural pairs of the fans and the motors, which facilitates handing of these components at the time of maintenance without enlarging the inspection port provided on the ceiling in a wasteful manner. If the plural pairs of the fans and the motors are divided into at least two blower subunits, for example, if there are two pairs of fans and motors, they may be divided into: (1) one blower subunit including two pairs of fans and motors, or (2) two blower subunits, each including one pair of a fan and a motor; if there are three pairs of fans and motors, they may be divided into: (1) three blower subunits, each including one pair of a fan and a motor, or (2) two blower subunits, one including one pair of a fan and a motor and the other including two pairs of fans and motors, and if there are four pairs of fans and motors, they may be divided into: (1) four subunits, each including one pair of a fan and a motor, or (2) three subunits, each of two including one pair of a fan and a motor, and the other one including two pairs of fans and motors, or (3) two subunits, each including two pairs of fans and motors.
- According to the present invention, when the blower unit is maintained, the blower unit is drawn to one side of the unit body together with the support member from the aperture provided on the one side surface of the unit body along the pair of the rail members, and the blower subunit integrated with the support member is taken out to the outside, so as to carry out the maintenance operation thereof. Accordingly, the above described configuration facilitates a take out the blower unit from the unit body mounted in the ceiling and a maintenance operation, and enhances efficiency of the operation. Furthermore, the pair of the rail members can also serve as the reinforcement member for the top plate of the unit body, thereby providing a required level of improvement in deformation and vibration characteristics of the top plate where the blower unit is mounted without increasing the thickness of the top plate.
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Fig. 1 Figure 1 is a schematic side view illustrating an installation state of a ceiling-mounted air conditioner according to one embodiment of the present invention. -
Fig. 2 Figure 2 is a perspective view illustrating a unit body of the ceiling-mounted air conditioner ofFigure 1 , viewed from below with a part of a bottom plate thereof removed. -
Fig. 3 Figures 3 (A), (B), (C) are perspective views illustrating states of taking out the blower unit mounted in the unit body ofFigure 2 . -
Fig. 4 Figure 4 is an expanded sectional view illustrating a mounting section where the blower unit is mounted in the unit body ofFigure 2 . - Hereinafter descriptions will be provided on one embodiment of the present invention with reference to
Figure 1 to Figure 4 . -
Figure 1 is a schematic side view illustrating an installation state of a ceiling-mounted air conditioner according to one embodiment of the present invention, andFigure 2 is a perspective view illustrating a unit body thereof viewed from below with a part of a bottom plate thereof removed. Descriptions will now be provided on a duct-type ceiling-mounted air conditioner as one example of the ceiling-mounted air conditioner. - As illustrated in
Figure 1 , aunit body 2 of the ceiling-mounted air conditioner 1 is hung in a ceiling through plural hanging bolts provided in the vertical direction to a beam of a building. - The ceiling-mounted air conditioner 1 is configured to suck room air from a room through an inlet grill 3, a
sound absorbing chamber 4 and aninlet duct 5, and heat exchange the sucked air with refrigerant to cool or heat the air, and then supply this air through anoutlet duct 6, a sound absorbing chamber 7 and anoutlet grill 8 toward the room. Aninspection port 10 is formed in aceiling plane 9 for the sake of an inspection or maintenance of theunit body 2 of the ceiling-mounted air conditioner 1. - The
unit body 2 is formed in a box shape, and includes inside theunit body 2 an indoor heat exchanger (not illustrated) for heat exchanging room air with the refrigerant, ablower unit 11 including plural blower subunits for circulating room air, a drain pan (not illustrated) for receiving drain water generated in the indoor heat exchanger, a drain pump (not illustrated) for discharging drain water collected in the drain pan to the outside and other components, as illustrated inFigure 2 . Outside of theunit body 2, theunit body 2 also includesfittings 12 for the hanging bolts provided at four positions on both the right and left side surfaces of theunit body 2, aninlet port 13 and an outlet port 14 that are disposed on both the longitudinal side surfaces, which are connected to theinlet duct 5 and theoutlet duct 6 respectively, and acontrol box 15 is further provided on a side surface (the left side surface ofFigure 2 ) of theunit body 2. - The
blower unit 11 is mounted inside theunit body 2, and theblower unit 11 is divided into aninlet region 16 where room air is sucked through theinlet duct 5 and anoutlet region 17 into which outlet air is blown from theblower unit 11. The indoor heat exchanger (not illustrated) and others are disposed in theoutlet region 17, where the air is cooled or heated by the heat exchanger, and then is supplied from the outlet port 14 through theoutlet duct 6 toward the room. - The
blower unit 11 of the present embodiment includes threesirocco fans motors blower subunit 11A is configured by coupling thesirocco fan 18A to the motor shaft of themotor 19A, and theblower subunit 11B is configured by coupling thesirocco fans motor 19B that is a dual shaft motor, so as to integrate two fans and one motor in theblower subunit 11B. In this way, plural pairs of the fans and the motors are divided intoplural blower subunits blower subunits - The
blower subunits respective support members Figure 3 ,Figure 4 ) each of which is formed by bending a plate member substantially at a right angle, thereby integrating theblower subunits respective support members support members support plates sirocco fans motors support members partition plates unit body 2 into theinlet region 16 and theoutlet region 17. - As illustrated in
Figure 4 , thesirocco fans support members outlet port 23 of the fan case of each sirocco fan projects into theoutlet region 17 through thepartition plates support plates partition plates support members support members - In order to detachably/attachably mount the
blower subunits unit body 2, a pair ofrail members top plate 2A of theunit body 2 from one end to the other end in the lateral (right and left) direction of thetop plate 2A, as illustrated inFigure 4 . The pair of therail members attachment portions top plate 2A, and the other side thereof is configured to be therail portions top plate 2A. - The
support plates support members rail members unit body 2. Anaperture 26 is provided in one side surface of theunit body 2, which allows each of theblower subunits rail members unit body 2, as illustrated inFigure 3(A) . In this way, theplural blower subunits rail members support members unit body 2. - The
aperture 26 can be closed by a detachable/attachable cover 27, and detaching thiscover 27 allows theblower subunits unit body 2. Thecover 27 also serves as an attachment seat for thecontrol box 15, on whose outer surface thecover 27 is detachably/attachably disposed, as illustrated inFigure 2 andFigure 3(A) . - In the above described embodiment, the
blower unit 11 including the threesirocco fans motors blower subunits blower unit 11 smoothly through theinspection port 10 without enlarging thisinspection port 10. In this embodiment, theblower unit 11 is so divided as to make theblower subunit 11B the largest blower subunit that integrates the two sirocco fans, for example. - The dividing option into plural subunits depending on the number of fans and motors can be considered as follows: for example, if there are two pairs of fans and motors, they may be divided into: (1) one blower subunit including two pairs of fans and motors, or (2) two blower subunits, each including one pair of a fan and a motor; if there are three pairs of fans and motors, they may be divided into: (1) three blower subunits, each including one pair of a fan and a motor, or (2) two blower subunits, one including one pair of a fan and a motor and the other including two pairs of fans and motors, as similar to the present embodiment; and if there are four pairs of fans and motors, they may be divided into: (1) four subunits, each including one pair of a fan and a motor, or (2) three subunits, each of two including one pair of a fan and a motor, and the other one including two pairs of fans and motors, or (3) two subunits, each including two pairs of fans and motors.
- According to the present embodiment employing the above described configuration, the following operations and effects can be achieved.
- When the above described air conditioner 1 is started up, the
blower unit 11 is activated to rotate the threesirocco fans sound absorbing chamber 4 and theintake duct 5 into theintake region 16 of theunit body 2, where the sucked air is supplied toward theoutlet region 17 by thesirocco fans outlet region 17, thereafter, is supplied through theoutlet duct 6, the sound absorbing chamber 7 and theoutlet grill 8 toward the room for the purpose of air-conditioning the room. - When an inspection or maintenance is required for the air conditioner 1, the
inspection port 10 provided in theceiling plane 9 is opened to access theunit body 2. Equipment such as thecontrol box 15 attached to the outside of theunit body 2 can be inspected and maintained by simply opening the cover of thecontrol box 15 or detaching thecontrol box 15. Equipment installed inside theunit body 2, however, is usually taken out from theunit body 2 through theinspection port 10 toward the room. - In the present embodiment, the inspection and or maintenance for the
blower subunits unit body 2 are carried out as follow. - As illustrated in
Figure 3(A) , thecover 27 along with thecontrol box 15 is detached from theunit body 2 so as to open theaperture 26. Then, theblower unit 11 can be taken out to one side of theunit body 2. Since theblower unit 11 is divided into plural individual blower subunits (blower subunits frontmost blower subunit 11A together with thesupport member 20A is drawn to one side of theunit body 2 along the pair of therail members Figure 3(B) , so as to take out theblower subunit 11A from theunit body 2. Taking out theblower subunit 11A through theinspection port 10 toward the room makes it possible to apply a certain inspection and or maintenance to theblower subunit 11A. - Next, the
posterior blower subunit 11B can be taken out from theunit body 2 by drawing thesupport member 20B, to which theblower subunit 11B is attached, to one side of theunit body 2 along the pair of therail members blower subunit 11A, as illustrated inFigure 3(C) . Theblower subunit 11B in which the twosirocco fans blower subunit 11A, and this length is long enough to pass through theinspection port 10, and a certain inspection and or maintenance can be applied to theblower subunit 11B by taking out theblower subunit 11B through theinspection port 10 toward the room. - Even if the ceiling-mounted air conditioner 1 is equipped with the
blower unit 11 installed on thetop plate 2A of theunit body 2 and including the plurality of theblower subunits blower subunit 11B using the dual-shaft motor 19B, drawing out theblower subunits support members rail members blower subunits unit body 2 makes it possible to readily perform an inspection and or maintenance on theblower unit 11 in the room. Further, the pair of therail members top plate 2A of theunit body 2 can also serve as a reinforcement member for thetop plate 2A. - As described above, according to the present embodiment, the
blower subunits support members rail members unit body 2 and thesupport members blower subunits blower subunits unit body 2 mounted in the ceiling and the inspection and maintenance operation, and enhances efficiency of the operation. Furthermore, the pair of therail members top plate 2A of theunit body 2, thereby providing a required level of improvement in deformation and vibration characteristics of thetop plate 2A where theblower unit 11 is mounted without increasing the thickness of thetop plate 2A. - Each
outlet port 23 of thesirocco fans blower unit 11 projects through thepartition plates support members outlet region 17. Accordingly, the outlet air blowing from eachoutlet port 23 of thesirocco fans outlet region 17 in theunit body 2, which is partitioned by thepartition plates partition plates unit body 2 and theoutlet port 23 of thesirocco fans unit body 2. - The pair of the
rail members rail portions top plate 2A of theunit body 2. Configuring one side of the plate member having the cross section bent into a crank shape to be theattachment portions top plate 2A, and configuring the other side thereof to be therail portions top plate 2A of theunit body 2 enables the plate member in the crank shape to serve as the pair of therail members blower subunits unit body 2 as well as the reinforce member for thetop plate 2A. Accordingly, using therail members top plate 2A improves deformation and vibration characteristics of thetop plate 2A of theunit body 2 at a required level, thereby simplifying the structure of theunit body 2 and reducing the cost. - In the present embodiment, the
cover 27 is detachably/attachably provided to theaperture 26 of theunit body 2, and is also used as the attachment seat for thecontrol box 15. Accordingly, when theblower subunits unit body 2 are maintained, thecover 27 along with thecontrol box 15 is detached so that theblower subunits aperture 26 for the maintenance. At the same time, thecover 27 is also used as the attachment seat for thecontrol box 15, and thecontrol box 15 can be mounted onto the outer side surface of theunit body 2. Without complicating the attachment and detachment operation at the time of maintenance, thecover 27 can also be used as the attachment seat for thecontrol box 15, thereby simplifying the structure of theunit body 2, thus reducing the cost. - The
blower unit 11 includes plural pairs of thesirocco fans motors blower subunits blower subunits unit body 2 slidingly along the pair of therail members unit body 2, the plural pairs of thesirocco fans motors blower subunits unit body 2. Accordingly, it is unnecessary to integrally handle the plural pairs of thesirocco fans motors inspection port 10 provided on theceiling plane 9 in a wasteful manner. - The present invention is not limited to the invention according to the above described embodiment, and may be appropriately modified without departing from the scope of the invention as defined in the claims. For example, the
blower unit 11 has been described by using the example having the threesirocco fans motors - The fans have been described by using the example of sirocco fans, but the present invention is not limited to this, may be applicable to a case using other fans, not to mention such as propeller fans.
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- 1
- Ceiling-mounted air conditioner
- 2
- Unit body
- 2A
- Top plate
- 11
- Blower unit
- 11A, 11B
- Blower subunit
- 15
- Control box
- 16
- Inlet region
- 17
- Outlet region
- 18A, 18B, 18C
- Sirocco fan (fan)
- 19A, 19B
- Motor
- 20A, 20B
- Support member
- 21A, 21B
- Support plate
- 22A, 22B
- Partition plate
- 23
- Outlet port
- 24, 25
- Rail member
- 24A, 25A
- attachment portions
- 24B, 25B
- Rail portion
- 26
- Aperture
- 27
- Cover
Claims (5)
- A ceiling-mounted air conditioner comprising a unit body (2) in a box shape mounted in a ceiling, and a heat exchanger and a blower unit (11) that are mounted in the unit body, the unit body including: a support member (20A,20B), one surface of which is configured to be a partition plate (22A, 22B) for partitioning an inside of the unit body into an inlet region and an outlet region, the blower unit being integrated with the support member, and an aperture (26) being provided in one side surface of the unit body,
characterized in that the support member (20A,20B) is bent substantially at right angles, and the other surface of the support member (20A,20B) is configured to be a support plate (21A,21B) for supporting at least one fan (18A,18B,18C)and at least one motor (19A,19B) of the blower unit,
in that the unit body further includes: a pair of rail members (24,25) installed in parallel at a predetermined distance therebetween on an inner surface of a top plate (2A) from one end to the other end of the top plate of the unit body; and
in that the blower unit (11) is slidingly inserted between the rail members from the aperture (26) so as to be mounted into the unit body through the support member. - The ceiling-mounted air conditioner according to claim 1, wherein
the blower unit (11) has an outlet port (23) of the fan projecting into the outlet region through the partition plate (22A,22B) of the support member. - The ceiling-mounted air conditioner according to claim 1 or 2, wherein
the rail members (24,25) are formed of a plate member whose cross section is bent in a crank shape and whose rail portions (24B,25B) are oppositely fixed to an inner surface of the top plate (2A) of the unit body. - The ceiling-mounted air conditioner according to any one of claims 1 to 3, wherein
a cover (27) is detachably attached to the aperture (26), and serves as an attachment seat for a control box (15). - The ceiling-mounted air conditioner according to any one of claims 1 to 4, wherein
the blower unit (11) includes plural pairs of the fans (18A,18B,18C) and the motors (19A,19B), the plural pairs of the fans and the motors are divided into at least two individual blower subunits (11A,11B), and each of the subunits is individually inserted slidingly through the pair of the rail members (24,25) to be mounted in the unit body.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011103501A JP5832135B2 (en) | 2011-05-06 | 2011-05-06 | Ceiling-embedded air conditioner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2520869A1 EP2520869A1 (en) | 2012-11-07 |
EP2520869B1 true EP2520869B1 (en) | 2018-08-22 |
Family
ID=46044492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12166175.5A Active EP2520869B1 (en) | 2011-05-06 | 2012-04-30 | Ceiling-mounted air conditioner |
Country Status (4)
Country | Link |
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EP (1) | EP2520869B1 (en) |
JP (1) | JP5832135B2 (en) |
AU (1) | AU2012202533B2 (en) |
ES (1) | ES2690311T3 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014101222A1 (en) * | 2012-12-31 | 2014-07-03 | Trane Air Conditioning Systems (China) Co., Ltd. | Hvac indoor unit and method of making |
KR102337163B1 (en) | 2014-11-12 | 2021-12-09 | 삼성전자주식회사 | Duct type air conditioning apparatus and assembling and deassembling method as the same |
JP6370406B2 (en) * | 2015-01-29 | 2018-08-08 | 三菱電機株式会社 | Air conditioner |
US10890352B2 (en) | 2016-03-10 | 2021-01-12 | Carrier Corporation | Air handling unit |
CN106440050A (en) * | 2016-11-02 | 2017-02-22 | 海信(山东)空调有限公司 | Wind pipe machine |
JP6580665B2 (en) * | 2017-12-22 | 2019-09-25 | 株式会社フジタ | Air shower and entrance |
JPWO2019155666A1 (en) * | 2018-02-08 | 2021-02-04 | シャープ株式会社 | Electronic equipment, indoor unit |
KR20230085393A (en) * | 2021-12-07 | 2023-06-14 | 삼성전자주식회사 | Air conditioner |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0784930B2 (en) * | 1990-07-13 | 1995-09-13 | 三菱電機株式会社 | Ceiling embedded air conditioner |
JPH0468942U (en) * | 1990-10-25 | 1992-06-18 | ||
JP2561906Y2 (en) | 1992-10-07 | 1998-02-04 | 矢崎総業株式会社 | Fan motor fixing device for air conditioner |
JPH10332169A (en) * | 1997-06-03 | 1998-12-15 | Hitachi Ltd | Air conditioner |
JPH11230569A (en) * | 1998-02-12 | 1999-08-27 | Mitsubishi Electric Corp | Ceiling buried air-conditioner |
DE29920574U1 (en) * | 1999-11-23 | 2000-04-13 | Rosenberg Ventilatoren Gmbh | Ventilation system |
JP4049054B2 (en) * | 2003-08-27 | 2008-02-20 | ダイキン工業株式会社 | Scroll casing of centrifugal blower, centrifugal blower provided with the same, and indoor unit of air conditioner |
WO2009119524A1 (en) * | 2008-03-27 | 2009-10-01 | 東芝キヤリア株式会社 | Air conditioning apparatus |
JP5103251B2 (en) * | 2008-04-08 | 2012-12-19 | 日立アプライアンス株式会社 | Ceiling embedded heat source machine and air conditioner |
-
2011
- 2011-05-06 JP JP2011103501A patent/JP5832135B2/en active Active
-
2012
- 2012-04-30 EP EP12166175.5A patent/EP2520869B1/en active Active
- 2012-04-30 ES ES12166175.5T patent/ES2690311T3/en active Active
- 2012-05-01 AU AU2012202533A patent/AU2012202533B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
JP5832135B2 (en) | 2015-12-16 |
EP2520869A1 (en) | 2012-11-07 |
ES2690311T3 (en) | 2018-11-20 |
JP2012233646A (en) | 2012-11-29 |
AU2012202533B2 (en) | 2017-04-06 |
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