CN104169652B - Bidirectional-blow-out, ceiling-embedded air conditioner - Google Patents
Bidirectional-blow-out, ceiling-embedded air conditioner Download PDFInfo
- Publication number
- CN104169652B CN104169652B CN201380013481.3A CN201380013481A CN104169652B CN 104169652 B CN104169652 B CN 104169652B CN 201380013481 A CN201380013481 A CN 201380013481A CN 104169652 B CN104169652 B CN 104169652B
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- China
- Prior art keywords
- heat exchanger
- branch
- air conditioner
- pressure fan
- main body
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
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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
- 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
- F24F1/0043—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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
- 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- 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
- F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/072—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
This ceiling-embedded air conditioner, which has a rectangular planar shape, is provided with: a cosmetic panel having an interior blow-out opening along each of the opposite long sides; and a product main body that incorporates an air blower and a heat exchanger. The heat exchanger comprises two branched heat exchangers disposed in a manner so as to sandwich the air blower between the two interior blow-out openings in a plan view. The intermediate portions in the lengthwise direction of the branched heat exchangers are disposed parallel to the interior blow-out openings, and both ends of the branched heat exchangers are bent at differing angles with respect to the intermediate portions towards the air blower.
Description
Technical field
The present invention relates to a kind of ceiling flush type air conditioner of two-way blowing-type, more particularly to a kind of heat exchanger
Structure.
Background technology
As existing ceiling flush type air conditioner, a kind of known four-way blowing-type and two-way blowing-type (double discharge type)
Air conditioner.The air conditioner of four-way blowing-type includes the tetragon along the decoration panel in the decoration panel for being installed on ceiling surface
Into blow-off outlet.The air conditioner of two-way blowing-type is included along blowing that the relative both sides of the decoration panel are formed in decoration panel
Outlet.At most of conditions, in the ceiling flush type air conditioner of two-way blowing-type, in order to seek the design with room
Harmony, and the flat shape of decoration panel is formed as into rectangle, and indoor blow-off outlet is set along relative long side.
Patent Document 1 discloses the prior art of the ceiling flush type air conditioner of this two-way blowing-type.Reference
Fig. 9 illustrates the prior art.As shown in figure 9, air conditioner includes the product master of the rectangular-shape with rectangular flat shape
Body 101 and the heat exchanger 102 being built in product main body 101 and turbofan 103.Heat exchanger 102 is generally by two points
Prop up heat exchanger 104 to constitute.Liang Ge branches heat exchanger 104 is arranged respectively at the length direction extension along product main body 101
The inner side of side wall.Turbofan 103 is clamped between Liang Ge branches heat exchanger 104.Turbofan 103 is arranged approximately in edge
On the centrage 105 that the length direction of product main body 101 extends.During top view, Liang Ge branches heat exchanger 104 is with product
The central part of the length direction of main body 101 is formed as the mode at obtuse angle and bends, and it is relative to each other that two obtuse angles clip centrage 105.
So bent by making heat exchanger 102, increase the total length of the length direction of branch's heat exchanger 104, increase heat exchanger 102
Heat exchange area.
Prior art literature
Patent documentation
Patent documentation 1：2003-No. 287239 publications of Japanese Unexamined Patent Publication
The content of the invention
Invent technical problem to be solved
But, from from the viewpoint of the heat exchange area of increase heat exchanger 102, there is further improved space.That is, exist
In above-mentioned existing air conditioner, by the shape for changing Liang Ge branches heat exchanger 104, the length of branch's heat exchanger 104 can be made
The total length in degree direction is longer.The total length of the length direction for making branch's heat exchanger 104 it is elongated and increase heat exchange area feelings
Under condition, in order to prevent reducing productivity ratio, it is critical that the shape and structure of branch's heat exchanger are designed.
Productivity ratio is kept and the heat exchange area of heat exchanger is larger it is an object of the present invention to provide a kind of
The ceiling flush type air conditioner of two-way blowing-type.
Solve the technical scheme that technical problem is adopted
To achieve the above object, the first technical scheme of the invention, there is provided one kind has rectangular plane
The ceiling flush type air conditioner of the two-way blowing-type of shape, including the product main body of decoration panel and rectangular-shape, above-mentioned dress
Decoration panel has to interior will carry out the indoor blow-off outlet of thermoregulator Air blowing and the interior by room air suction
Suction inlet, the said goods main body is built-in with pressure fan and heat exchanger.Along two relative long side shapes in above-mentioned decoration panel
Into there is two indoor blow-off outlets.Above-mentioned pressure fan is that the said goods master is configured in towards in the way of vertical by rotary shaft
Internal centrifugal blower.During top view, above-mentioned heat exchanger by two above-mentioned indoor blow-off outlets and above-mentioned pressure fan it
Between to clip above-mentioned pressure fan in the way of the Liang Ge branches heat exchanger that configures constituted.Two above-mentioned branch's heat exchangers are along length
Divide into first end, pars intermedia and the second end in direction.In above-mentioned first end, the system of the outside of above-mentioned branch's heat exchanger
Cryogen pipe arrangement is connected with the refrigerant passage of above-mentioned branch's heat exchanger, and in above-mentioned the second end, above-mentioned refrigerant passage is turned back.
Above-mentioned pars intermedia is abreast configured with above-mentioned indoor blow-off outlet.Above-mentioned first end and above-mentioned the second end send respectively towards above-mentioned
Blower fan bending, and above-mentioned first end and above-mentioned the second end are relative to the bending at different angles of above-mentioned pars intermedia.
Using said structure, the both ends of each branch's heat exchanger are towards pressure fan bending.Therefore, it is existing with above-mentioned
The ceiling flush type air conditioner of two-way blowing-type is compared, by increasing capacitance it is possible to increase the total length of the length direction of branch's heat exchanger, thus
The heat exchange area of each branch's heat exchanger can be increased.In addition, it can be considered that the size of product main body, in order to by branch heat hand over
Parallel operation bending and the relation between the bending length at the both ends of the retained part and branch's heat exchanger of bender that uses, match somebody with somebody
, relative to the convenience etc. of the connection operation of branch's heat exchanger, and the both ends for arbitrarily setting branch's heat exchanger are relative for pipe
In the bending angle of pars intermedia.Thereby, it is possible to the disadvantage in the making for avoiding branch's heat exchanger.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, above-mentioned first end is relative to above-mentioned point
The bending angle of the extended line on the length direction of the pars intermedia for propping up heat exchanger is less than 45 degree.
Using said structure, the brazing operation that isocon is connected with Liang Ge branches heat exchangers is easily carried out.Its reason
It is because, brazing operation is carried out as follows.First, Liang Ge branches heat exchanger is assembled temporarily using brazing jig.And
And, the soldering of pipe arrangement is carried out in branch's heat exchanger of any one party, then carry out in branch's heat exchanger of the opposing party
The soldering of pipe arrangement.At this time, it may be necessary to by branch's heat exchanger positioning of interim assembling, so that the pipe arrangement being brazed is towards vertical side
To.For example in the case where isocon to be connected to the first end of Liang Ge branches heat exchanger, need respectively to Liang Ge branches
Heat exchanger, by the end of heat-exchange tube that projects in first end towards in the way of vertical, will interim assembling branch
Heat exchanger is reconfigured together with brazing jig.Now, by making first end relative to the pars intermedia of branch's heat exchanger
Length direction on the bending angle of extended line be less than 45 degree, the change for reconfiguring required angle of reduction brazing jig
More, therefore the positioning operation is easily carried out.In addition, also reducing following phenomenon, i.e. branch's heat exchange of the side being connected with pipe arrangement
The phenomenon that device is hindered the brazing operation that the branch's heat exchanger in the opposing party is carried out.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, above-mentioned the second end is relative to above-mentioned point
The bending angle of the extended line on the length direction of the pars intermedia for propping up heat exchanger, than above-mentioned first end relative to above-mentioned centre
The bending angle of the extended line on the length direction in portion is big.
Using said structure, the total length of the length direction of branch's heat exchanger can be made longer.Thereby, it is possible to increase branch's heat
The heat exchange area of exchanger, it is thus possible to increase the heat exchange area of heat exchanger.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, in the above-mentioned of above-mentioned branch's heat exchanger
First end is connected with the isocon from diverter.Also, it is desirable that during top view, the isocon is arranged in by most
In the region of outside straight line and the general triangular of two lead-out wire formation, wherein, above-mentioned outermost straight line is by two above-mentioned point
The outermost locations propped up on the length direction of at the above-mentioned first end of heat exchanger, the said goods main body are connected to each other, on
The ora terminalis of the first end side that air of two lead-out wires from the first end of two above-mentioned branch's heat exchangers passes through portion is stated,
Drawn to relative branch's heat exchanger side at a right angle by face with air.In order in the first end of branch's heat exchanger
Multiple positions, with the length and arrangement mode that specify the refrigerant passage of branch's heat exchanger is set, and is installed and led to cold-producing medium
The connection pipe arrangement of road connection.Therefore, the outermost straight line of heat exchanger is defined as in relative Liang Ge branches heat exchanger
This connection pipe arrangement the line that is connected to each other of outermost locations.
Using said structure, during top view, it is arranged in by above-mentioned outermost straight line and two from the isocon of diverter
In the region of the triangle that bar extended line is formed, divided to relative by the end face of the first end of Shi Liangge branches heat exchanger
Prop up heat exchanger side to extend and form above-mentioned two extended lines.Therefore, the Shu Buhui of isocon is hindered in branch's heat exchanger
The flowing of the air for passing through.In addition, during top view, being arranged in not from outermost straight line to length from the isocon of diverter
Direction it is protruding outside, above-mentioned outermost straight line is by the above-mentioned first end of Liang Ge branches heat exchanger 41, product main body
The outermost locations of length direction be connected to each other.Therefore, it is possible to compactly form the air conditioner.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, above-mentioned heat exchanger is configured to from two
Guan Yuyi collector connection of multiple refrigerant outlets derived from above-mentioned branch's heat exchanger.
Using said structure, the collector that original Liang Ge branches heat exchanger is respectively necessary for only just can be with one.Thus,
Can make space-minimized needed for collector, can compactly form air conditioner.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, above-mentioned pressure fan is in the said goods main body
Length direction on be partial to the configuration of above-mentioned second end side.
Using said structure, the space between pressure fan and above-mentioned first end can be made, than pressure fan and above-mentioned second end
Space between portion is big.The space of a larger side can be fully utilized as between electric component case and electric parts
Space of connection wiring etc..Particularly, the electric parts such as draining pump are connected near above-mentioned first end more.Therefore, send
Space between blower fan and above-mentioned first end is big, for the connection of these electric parts is favourable.
On the basis of above-mentioned ceiling flush type air conditioner, it is generally desirable to, along the length direction of the said goods main body
Two above-mentioned pressure fan are equipped at certain intervals, and the intermediate point of the two pressure fan is partial to above-mentioned second end side configuration.
Using said structure, two pressure fan are partial to above-mentioned the second end configuration in product main body.Therefore, two are compared
Space between the pressure fan and above-mentioned the second end of the side in pressure fan, can increase the opposing party's in two pressure fan
Space between pressure fan and above-mentioned first end.The space of a larger side can be effectively made full use of as electrically installation
Space of connection wiring between part case and electric parts etc..Particularly, for multi-configuration is near above-mentioned first end
The connection of the electric parts such as draining pump is convenient.
Invention effect
Using the present invention, compared with the ceiling flush type air conditioner of existing two-way blowing-type, by increasing capacitance it is possible to increase branch's heat
The total length of the length direction of exchanger, the heat exchange area thus, it is possible to increase each branch's heat exchanger.Further, since making bending
The bending angle at the both ends of branch's heat exchanger afterwards is different, therefore, it is possible to consider size, branch's heat exchange of product main body
Relation and pipe arrangement between the bending length at the retained part of the bender of device and the both ends of branch's heat exchanger relative to
Convenience of the connection operation of branch's heat exchanger etc., arbitrarily sets bending angle of the both ends relative to above-mentioned pars intermedia.
Thereby, it is possible to the disadvantage in the making for avoiding branch's heat exchanger.
Description of the drawings
Fig. 1 is the stereoscopic figure of the ceiling flush type air conditioner of the two-way blowing-type of embodiments of the present invention 1.
Fig. 2 is that the vertical view of the device configuration of the inside of the product main body in the ceiling flush type air conditioner for represent Fig. 1 is cutd open
View.
Fig. 3 is the sectional view of the device configuration of the inside of the ceiling flush type air conditioner for representing Fig. 1.
Fig. 4 is putting for the end of the side for connecting pipe arrangement of the heat exchanger in the ceiling flush type air conditioner of Fig. 1
Big figure.
Fig. 5 is the figure of the V directions of arrow in Fig. 4.
Fig. 6 is the axonometric chart for representing the state that heat exchanger is installed on brazing jig.
Fig. 7 is that the first end of the side by outside refrigerant piping connection in the heat exchanger to Fig. 6 carries out pricker
State description figure in the case of weldering.
Fig. 8 is the product master in the ceiling flush type air conditioner of the two-way blowing-type for representing embodiments of the present invention 2
The vertical view cutaway drawing of the device configuration of the inside of body.
Fig. 9 is the inside of the product main body in the ceiling flush type air conditioner of the two-way blowing-type for representing prior art
The vertical view cutaway drawing of device configuration.
Specific embodiment
(embodiment 1)
Hereinafter, embodiments of the present invention 1 are illustrated with reference to Fig. 1～Fig. 7.
The ceiling flush type air conditioning apparatus of the two-way blowing-type of embodiment 1 are single into the interior in type-dividing conditioner
Unit.
The ceiling flush type air conditioner of the two-way blowing-type as shown in Figures 1 and 3, with rectangular flat shape,
It is made up of decoration panel 10 and the product main body 20 being connected with the upper surface of the decoration panel 10.Decoration panel 10 is arranged on product
The lower section of main body 20, and engaging in ceiling tile materials 1 (with reference to Fig. 3), product main body 20 is with building for hanging on inside ceiling
The mode of building structure component (omitting diagram) is installed on building structural element.Decoration panel 10 and product main body 20 are respectively provided with rectangular
The flat shape of shape, but it is identical with the structure of prior art, and product main body 20 is slightly smaller.
As shown in Figures 1 and 3, forming oriented interior along two relative long sides on decoration panel 10 will carry out temperature
The indoor blow-off outlet 11 of the Air blowing of regulation.In decoration panel 10 than the position more in the inner part of indoor blow-off outlet 11, shape
Into have by room air suck elongated indoor suction inlet 12.
As shown in Fig. 2 product main body 20 includes the body shell 21 of the box-shaped of rectangular shape and is built in the body shell
Pressure fan 30 and heat exchanger 40 in body 21.
Pressure fan 30 is that the centrifugal blower in product main body 20 is configured in towards in the way of vertical by rotary shaft, more
Specifically it is turbofan.As shown in Fig. 2 during top view, pressure fan 30 is configured to rotary shaft and is located at along product main body 20
Length direction extend centrage CL on.Pressure fan 30 is configured to by the drive motor 32 for being installed on the top board of body shell 21
Being rotated clockwise shown in arrow along Fig. 2.As shown in figure 3, the lower surface of pressure fan 30 is divided using shield 33.Send
Blower fan 30 is configured to suck air from the peristome of the inner circumferential side of shield 33, blows the air after boosting from the periphery of impeller 31
Go out.Pressure fan 30 has the horn portion 34 connected with the peristome of the inner circumferential side of shield 33.Horn portion 34 be configured to by
The air filter 22 of the bottom being configured in product main body 20 is communicated in interior between decoration panel 10 and air filter 22
Portion space 13 and indoor suction inlet 12.
During top view, heat exchanger 40 is by the Liang Ge branches being configured between two indoor blow-off outlets 11 and pressure fan 30
Heat exchanger 41 is constituted.Each branch's heat exchanger 41 is configured in the blowout side of pressure fan 30.
Branch's heat exchanger 41 is heat-exchange tube 42 (with reference to Fig. 4) upper mounting plate in the U-shaped for constituting refrigerant passage
The finned coil of plate of fin 43 and composition.It can be seen from Fig. 4 and Fig. 5, each branch's heat exchanger 41 is 16 layers, each point of two row
Prop up the refrigerant passage that heat exchanger 41 has respectively seven paths.
As shown in the vertical view cutaway drawing of Fig. 2, the pars intermedia 41a of branch's heat exchanger 41 abreast matches somebody with somebody with indoor blow-off outlet 11
Put, the both ends of branch's heat exchanger 41 are towards pressure fan 30 in other words towards centrage CL bendings.In the following description, will
The end of branch's heat exchanger 41 of the side being connected with outside refrigerant piping is referred to as first end 41b, will be with first end
The end of the side that the refrigerant passage in portion 41b contrary side, branch's heat exchanger 41 is turned back is referred to as the second end
41c.So, each branch's heat exchanger 41 is divided into the first end 41b towards the bending of pressure fan 30, pars intermedia 41a and direction
The second end 41c of the bending of pressure fan 30.
It is desirable that in order that the total length of the length direction of branch's heat exchanger 41 is elongated, first end 41b relative to
The length relative to pars intermedia 41a of the bending angle α and the second end 41c of the extended line of the length direction of pars intermedia 41a
The bending angle β of the extended line in direction is 90 degree.But, in order to meet the condition required in making, by bending angle α and β
Be set as it is less than 90 degree, and for angle different from each other.
In order that pipe arrangement is easily carried out relative to the brazing operation of heat-exchange tube 42, by the first end of branch's heat exchanger 41
The bending angle α settings of portion 41b are for about 45 degree.It is almost parallel with centrage CL due to pars intermedia 41a being configured to, therefore the folding
Bending angle α is identical relative to centrage CL angulations with the extended line of first end 41b.
The bending angle β of the second end 41c of branch's heat exchanger 41 is set to：Make the second end 41c's of bending
Length be in order that the second end 41c bendings and it is more than the length needed for the retained part of bender that uses, and make second
End 41c relative to the length direction of pars intermedia 41a extended line into maximum angle.In the present embodiment, the second end
The bending angle β of 41c is about 60 degree.Because the bending angle α of the above-mentioned first end 41b being bent over is 45 degree, therefore the
One end 41b fully possesses the length needed for the retained part of bender.Because pars intermedia 41a and centrage CL are configured to greatly
Cause is parallel, therefore the extended line of the bending angle β and the second end 41c of the second end 41c is relative to angle formed by centrage CL
Degree is identical.
Product main body 20 has drain pan 50 in the lower section of heat exchanger 40.
The underface of branch's heat exchanger 41 drain pan 50 be formed in part with for receive from branch's heat exchange
The groove portion 51 of the drain water of device 41.Drain pan 50 also serves as the partition member for separating the blowout side and suction side of pressure fan 30
And function.In this manual, the part of the drain pan 50 as the partition member function is referred to as into separating part 52.
It should be noted that as shown in figure 3, separating part 52 horn portion 34 is installed be formed in part with circular hole 53 so that empty
Air filter 22 is connected with horn portion 34.As shown in Figures 2 and 3, space between branch's heat exchanger 41 and side wall
Lower section, is formed with elongated square hole 54 on separating part 52, is connected with the indoor blow-off outlet 11 with decoration panel 10.
Next, being further detailed to the structure near the first end 41b of branch's heat exchanger 41.
As shown in Fig. 2 being configured with the outside for constituting heat exchanger 40 near the first end 41b of branch's heat exchanger 41
Refrigerant loop equipment, be related to equipment, the Yi Jiyong that refrigerant piping is connected that carry out with outdoor unit (omit diagram)
In equipment for discharging drain water etc..Specifically, it is configured with the vicinity of the first end 41b of heat exchanger 40：For making
It is the diverter 61 of the liquid refrigerant shunting come from outdoor unit conveying, defeated for the cold-producing medium that device 61 shunted will to be split
Multiple isocons 62 for being sent in each branch's heat exchanger 41, for make gaseous refrigerant from branch's heat exchanger 41 flow out it is many
Individual refrigerant outlet pipe 63 and the collector 64 for collecting refrigerant outlet pipe 63.In addition, outdoor single for being communicated in
The connection pipe arrangement (omitting diagram) connection of unit, liquid refrigerant pipe joint 65 and gaseous refrigerant pipe joint 66 are arranged on main body
On the side plate of housing 21.Additionally, what the water level for being also configured with the drain water of the accumulating part to being accumulated in drain pan 50 was detected
Level sensor 67, for by the drain water of delay drain out come draining pump 68, for by using draining pump 68 drain out come row
Sluice the discharge pipe 68a that discharges and for pipe joint 69 for making discharge pipe 68a be connected with outside drain pipe etc..
Refrigerant passage due to being formed with seven paths in each branch's heat exchanger 41, thus seven isocons 62 from
Diverter 61 is connected with each branch's heat exchanger 41.During top view, isocon 62 is arranged in by outermost straight line 45 and two
In the region of the general triangular that lead-out wire 46,47 is formed, above-mentioned outermost straight line 45 is upper by Liang Ge branches heat exchanger 41
The outermost locations for stating at first end 41b, product main body 20 length direction are connected to each other, above-mentioned lead-out wire 46,47 from
Liang Ge branches heat exchanger 41 is drawn.
In order at multiple positions of the first end 41b of branch's heat exchanger 41 with the length that specifies and arrangement mode setting
Refrigerant passage in branch's heat exchanger 41, and the connection pipe arrangement that refrigerant passage is connected is installed.Therefore, by heat exchanger
40 outermost straight line 45 is defined as the outermost locations of this connection pipe arrangement in relative Liang Ge branches heat exchanger 41
The line being connected to each other.More specifically, for the length at multiple positions of the first end 41b of branch's heat exchanger 41 to specify
Degree and arrangement mode setting refrigerant passage, and the U-shaped that will be connected between the heat-exchange tube 42 for constituting refrigerant passage is installed
Swan-neck 48.The outermost straight line 45 of heat exchanger 40 refers to what the outermost point for being located at the swan-neck 48 was connected to each other
Line.
Two lead-out wires 46,47 are first end 41b side of the air from Liang Ge branches heat exchanger 41 by portion
Ora terminalis, the line drawn to the relative side of branch's heat exchanger 41 at a right angle by face with air.In the present embodiment, air
By the ora terminalis of the first end 41b sides in portion equivalent to the first end 41b sides in branch's heat exchanger 41 tube sheet 41d.Cause
And, more specifically, lead-out wire 46,47 be instigate tube sheet 41d surface extend after formed line.
Refrigerant passage due to being formed with seven paths in each branch's heat exchanger 41, therefore the heat exchange of Liang Ge branches
Device 41 is configured to derive seven refrigerant outlet pipes 63 respectively.As shown in figure 5, from the first end of each branch's heat exchanger 41
The front end of these refrigerant outlet pipes 63 that 41b extends is connected with a collector 64.In the present invention, with branch heat exchanger 41
In the pipe arrangement of outside of branch's heat exchanger 41 of refrigerant passage connection refer to isocon 62 and refrigerant outlet pipe 63.
In product main body 20, pressure fan 30 with than the first end 41b of branch heat exchanger 41 closer to the second end
The mode of 41c is partial to configuration.Thus, the space between pressure fan 30 and the first end 41b of branch's heat exchanger 41 becomes ratio
Space between pressure fan 30 and the second end 41c of branch's heat exchanger 41 is big.Separation in the space of a larger side
The lower section in portion 52 is configured with electric component case 71.Make to be configured in the first end 41b of branch's heat exchanger 41 using the space
The electric parts such as neighbouring above-mentioned draining pump 68 and level sensor 67 connects with the electric component in electric component case 71
Connect.
Next, the effect to the ceiling flush type air conditioner of the two-way blowing-type for constituting in the above described manner is said
It is bright.
First, the operation of air conditioner to being carried out using the ceiling flush type air conditioner of present embodiment is illustrated.
By the compressor for making to be loaded in outdoor unit (not shown), and the pressure fan 30 being accommodated in product main body 20
Operated come the operation of air conditioner for carrying out being carried out by the ceiling flush type air conditioner.During operation of air conditioner, Interior Space
Gas by Fig. 3 shown in hollow arrow in the way of flow.Specifically, room air is sucked from indoor suction inlet 12, via decoration
The inner space 13 of panel 10 and air filter 22 are drawn into room air in pressure fan 30.Blow from the periphery of pressure fan 30
The air for going out dispersion in relative Liang Ge branches heat exchanger 41, by each branch's heat exchanger 41, so as to be conditioned temperature.
Also, via the elongated square hole 54 of the sidepiece of drain pan 50 is formed in, thermoregulator air will be carried out from indoor blowout
Mouth 11 is to indoor blowout.
In the case where the operation of air conditioner is cooling operation, connect via liquid refrigerant pipe from outdoor unit (omitting diagram)
65 are conveyed through being flowed shown in solid arrow in the liquid refrigerants such as Fig. 4 for coming, and are split device 61 and are equably diverted to respectively
In isocon 62.It is split the liquid refrigerant that device 61 shunted and each of branch's heat exchanger 41 is flowed into by each isocon 62
In refrigerant passage.In each refrigerant passage by liquid refrigerant carry out heat exchange with room air and vaporize, become
Gaseous refrigerant.Gaseous refrigerant is pooled to collector 64 via refrigerant outlet pipe 63, further via gaseous refrigerant pipe
Joint 66 and return in outdoor unit.The air conditioning apparatus become heat-pump-type structure, in the case where heating operation is carried out, cold-producing medium
Along and above-mentioned direction flowing in opposite direction, but here its detailed description is omitted.
Compared with above-mentioned prior art, the performance of heat exchanger when carrying out this operation of air conditioner is improved.Its reason
By being because, by the pars intermedia 41a that branch's heat exchanger 41 is abreast configured with indoor blow-off outlet 11, and branch's heat is handed over
The first end 41b and the second end 41c of parallel operation 41 can make the branch that can be loaded into product main body 20 towards the bending of pressure fan 30
The total length of the length direction of heat exchanger 41 is longer than prior art, as a result, the heat exchange area of heat exchanger 40 is increased
Greatly.
Next, the pipe arrangement connection operation that explanation is carried out to the heat exchanger 40 for constituting in the above described manner.To heat exchanger
The 40 pipe arrangement connection operations for carrying out with isocon 62 and refrigerant outlet pipe 63 relative to branch's heat exchanger 41 first end
Centered on the brazing operation of the heat-exchange tube 42 at 41b.
As shown in fig. 6, being assembled into and being encased in product temporarily by Liang Ge branches heat exchanger 41 first by brazing jig 80
Identical posture when in product main body 20.
Brazing jig 80 is made up of outer member 81 and inner member 82, and above-mentioned outer member 81 is from outside to heat exchanger
40 4 positions are supported, and the pars intermedia 41a of branch's heat exchanger 41 is pushed on outer member by above-mentioned inner member 82
81.It can be seen from Fig. 6, outer member 81 by supporting heat exchanger 40 bottom surface flat bearing wall 81a, from outside support two
The side support wall 81b at relative 2 position of the pars intermedia 41a of branch's heat exchanger 41 and while supporting Liang Ge branches
The overhang bracket wall 81c of the meander-shaped of the second end 41c of heat exchanger 41 is constituted.Side support wall 81b and overhang bracket
Wall 81c is connected respectively with flat bearing wall 81a.Inner member 82 is made up of pushing wall portion 82a and force application component 82b, above-mentioned to push away
Pressure wall portion 82a pushes pars intermedia 41a from the side support wall 81b of Inside To Outside component 81, and above-mentioned force application component 82b is to this
Push wall portion 82a to exert a force outwardly.
Carry out as follows having used the interim assembling of the Liang Ge branches heat exchanger 41 of the brazing jig 80.First,
The second end 41c of branch's heat exchanger 41 is connected to each other.Also, by the branch's heat exchanger 41 after connection be formed as
Shown in Fig. 6 with the mode for being accommodated in identical shape when in product main body 20, installed in the outer member 81 of brazing jig 80
Inner side.Then, the force application component 82b of inner member 82 is operated, by pushing wall portion 82a by branch's heat exchanger 41
The side support wall 81b of the outside side members 81 of pars intermedia 41a is pushed.Thus, outer member 81 side support wall 81b with it is interior
Between pushing wall portion 82a of side member 82, the pars intermedia 41a of branch's heat exchanger 41 is held.So, pressed from both sides using soldering
Tool 80 temporarily assembles heat exchanger 40.
Then, soldering is carried out to the end of the heat exchanger 40 after interim assembling.In order that the soldering is to easily and reliably
Carry out, originally soldering is carried out to branch's heat exchanger 41 of a side, then soldering is carried out to branch's heat exchanger 41 of the opposing party.
The first end in branch's heat exchanger 41 for example as shown in the figure in the left side of Fig. 7, first on the left of level holding
The tube sheet 41d of 41b, makes the pipe axle of the heat-exchange tube 42 being brazed towards vertical.When so arranged, can be by isocon 62
With the heat-exchange tube of the first end 41b of branch's heat exchanger 41 that refrigerant outlet pipe 63 is to easily and reliably brazed in left side
42.Also, after the soldering that the branch's heat exchanger 41 to left side is carried out terminates, as shown in the figure on the right side of Fig. 7, make interim group
Heat exchanger 40 after dress rotates together with brazing jig 80, to right side in the same manner as the situation of branch's heat exchanger 41 in left side
Branch's heat exchanger 41 carry out soldering.
Other pipe arrangements and equipment with regard to being connected with the surrounding of the first end 41b of branch heat exchanger 41 are also, for
The position of soldering was carried out before being encased in product main body 20, it is also convenient to carry out soldering on the brazing jig 80.
For example when by the refrigerant outlet pipe 63 in each branch's heat exchanger 41 to 64 soldering of collector, as described above, with brazed portion
The pipe axle of the refrigerant outlet pipe 63 at position makes the heat exchanger 40 after interim assembling press from both sides with soldering towards the mode of vertical
Tool 80 rotates together and carries out soldering, so as to make refrigerant outlet pipe 63 to easily and reliably enter with the brazing operation of collector 64
OK.
The ceiling flush type air conditioner of present embodiment can play following this effect using the structure of the above.
(1) compared with the ceiling flush type air conditioner of the two-way blowing-type of above-mentioned prior art, by increasing capacitance it is possible to increase branch
The total length of the length direction of heat exchanger 41, the heat exchange area thus, it is possible to increase each branch's heat exchanger 41.
(2) the bending angle β of the bending angle α and the second end 41c of first end 41b in branch's heat exchanger 41 is made
It is different.Thus, it is possible to consider that the size of product main body 20, the retained part of the bender of branch's heat exchanger 41 and branch heat is handed over
Convenience of the relation, pipe arrangement between the bending length at the both ends of parallel operation 41 relative to the connection operation of branch's heat exchanger 41
Deng bending angle α, β of above-mentioned end are set as into arbitrary angle.Thereby, it is possible in the making for avoiding branch's heat exchanger
Disadvantage.
(3) because the bending angle α of the first end 41b of branch's heat exchanger 41 is less than 45 degree, therefore as described above,
Easily the heat exchanger 40 after interim assembling can be positioned to into the pipe axle of the heat-exchange tube 42 that carry out soldering towards vertical
Direction.Thus, isocon 62 is made easily to carry out to the brazing operation that Liang Ge branches heat exchanger 41 connects.
(4) the bending angle β of the second end 41c of branch's heat exchanger 41 is set to the bending than first end 41b
Angle [alpha] is big.This is favourable on the total length of the length direction for making branch's heat exchanger 41 tries one's best long aspect.Divided by increasing
Prop up the total length of the length direction of heat exchanger 41, by increasing capacitance it is possible to increase the heat exchange area of each branch's heat exchanger 41, it is thus possible to increase
The heat exchange area of heat exchanger 40.
(5) isocon 62 from diverter 61 is arranged in what is formed by outermost straight line 45 and two lead-out wires 46,47
In the region of triangle, above-mentioned outermost straight line 45 is by the first end 41b of Liang Ge branches heat exchanger 41, product main body
The outermost locations of 20 length direction are connected to each other, above-mentioned two bars of lead-out wires 46,47 from Liang Ge branches heat exchanger 41
The ora terminalis of the first end 41b sides that the air at one end 41b passes through portion, face is passed through at a right angle to relative branch with air
Draw the side of heat exchanger 41.Thus, the Shu Buhui of isocon 62 hinders the flowing of the air passed through in branch's heat exchanger 41.
(6) during top view, from (being specifically 14) isocons 62 multiple derived from diverter 61 be configured to not from
Above-mentioned outermost straight line 45 is to the protruding outside of length direction.Thus, it is possible to compactly form the air conditioner.
(7) from it is multiple derived from Liang Ge branches heat exchanger 41 (specifically Shi Ge branches heat exchanger 41 be respectively 7
Root) refrigerant outlet pipe 63 is connected with a collector 64 entirely, therefore the collector that original Liang Ge branches heat exchanger 41 is respectively necessary for
64, just can be with one.Thus, can make space-minimized needed for collector 64, can compactly form the air conditioner.
(8) pressure fan 30 is partial to the second end 41c sides configuration of branch's heat exchanger 41 in product main body 20, therefore
The space between pressure fan 30 and first end 41b can be made, it is bigger than the space between pressure fan 30 and the second end 41c.Thus,
The space of a larger side can be effectively made full use of as the connection wiring between electric component case 71 and electric parts
Space etc..Draining pump 68 of the space especially for multi-configuration near the first end 41b of branch's heat exchanger 41
It is convenient with the connection of the grade electric parts of level sensor 67.
(embodiment 2)
Next, illustrating to embodiment 2 with reference to Fig. 8.The ceiling flush type of the two-way blowing-type of embodiment 2
Air conditioner increases the size of the length direction of decoration panel 10 and product main body 20 compared with embodiment 1, is configured with two
Pressure fan 30, so as to improve performance.Other structures are identical with embodiment 1.Hereinafter, it is with the difference with embodiment 1
Center is illustrating the ceiling flush type air conditioner of the two-way blowing-type of embodiment 2.For with the identical of embodiment 1 constitute
Key element, mark and the identical symbol of embodiment 1, are omitted or simplified explanation.
In the ceiling flush type air conditioner of embodiment 2, in order to increase the length of product main body 20 as described above
The size in direction and improve performance, body shell 21, decoration panel 10 and the size of drain pan 50 are changed.In addition,
In order to corresponding with the size of the size of the length direction of product main body 20, and make the size of the length direction of branch's heat exchanger 41
It is bigger than embodiment 1.More specifically, compared with embodiment 1, the size increase of the pars intermedia 41a of branch's heat exchanger 41.
The size of first end 41b and the second end after bending is identical with embodiment 1.
In the ceiling flush type air conditioner of embodiment 2, in order to improve performance, two pressure fan 30 are along its length
Vacate certain interval to be configured in product main body 20.It is provided between two pressure fan 30 for by two pressure fan 30
The partition wall 35 that blowout side space separates.The intermediate point deflection the second end 41c sides of two pressure fan 30.
The ceiling flush type air conditioner of embodiment 2 adopts the structure of the above, except playing the above-mentioned of embodiment 1
(1) beyond the effect of～(7), moreover it is possible to play following effect.
(9) two pressure fan 30 are configured to its intermediate point deflection the second end 41c sides in product main body 20, therefore with two
The pressure fan 30 of the side in individual pressure fan compared with the space between the second end 41c, the pressure fan 30 and first of the opposing party
Space between the 41b of end is larger.Thereby, it is possible to the space of first end 41b sides is effectively made full use of as electrically installation
Space of connection wiring between part case 71 and electric parts etc..The space is especially for multi-configuration in branch's heat exchanger
The connection of the electric parts such as draining pump 68 and level sensor 67 near 41 first end 41b, is convenient.
(variation)
The ceiling flush type air conditioner of two-way blowing-type of the present invention is not limited to above-mentioned embodiment, also can be using being
Following variation.With regard to following variation, it is also possible to which different variations to be suitably mutually combined to apply each other.
In above-mentioned embodiment 1,2, as the concrete example of heat exchanger 40, enumerate and plate fin has been installed on into U-shaped
The heat-exchange tube 42 of shape and the finned coil of plate that constitutes, but it is also possible to using the air heat exchanger of other forms.As
The heat exchanger of other forms, for example, can enumerate the minitype channel heat exchange with the minitype channel for becoming refrigerant passage
Device.
From the total length of the length direction for increasing branch's heat exchanger 41 as far as possible, and make the pipe arrangement at first end 41b
Brazing operation viewpoint easy to perform set out, it is desirable to, the bending of the first end 41b in above-mentioned embodiment 1,2
Angle [alpha] is 45 degree.But, bending angle α can also be other angles.In the viewpoint of the workability of the soldering for improving pipe arrangement,
It is desirable that bending angle α is set as into less than 45 degree.
For the scope of the retained part that bender is guaranteed in the second end 41c, it is generally desirable to, above-mentioned embodiment 1,
The bending angle β of the second end 41c in 2 tries one's best close 90 degree.Thus, the bending angle β described in embodiment before is simultaneously
It is not limited to 60 degree.
In above-mentioned embodiment 1,2, the position deflection the second end 41c of the pressure fan 30 in product main body 20 is made
Side.In the case of electric component case is provided between pressure fan 30 and first end 41b sides, sending in product main body 20
This configuration of blower fan 30 will not be such that the air drag in air conditioner increases because of distribution etc., therefore be preferable.But, this
It is bright to be not so limited.
In above-mentioned embodiment 1,2, it is arranged in by outermost straight line 45 and two from the isocon 62 of diverter 61
In the region of the triangle that individual lead-out wire 46,47 is formed, above-mentioned outermost straight line 45 is by the first of Liang Ge branches heat exchanger 41
The outermost locations of at the 41b of end, product main body 20 length direction are connected to each other, two above-mentioned lead-out wires 46,47 from two
The ora terminalis of the first end 41b sides that the air at the first end 41b of individual branch's heat exchanger 41 passes through portion, with air face is passed through
Draw to the relative side of branch's heat exchanger 41 at a right angle.But, the present invention is not so limited.Exist in the above described manner
In above-mentioned triangle in the case of arrangement isocon 62, obtained by the rising of the air drag in air conditioner caused by isocon 62
Prevent.
In above-mentioned embodiment 1,2, indoor suction inlet 12 decoration panel 10 lower surface on than indoor blowout
11 positions more in the inner part of mouth, are formed as and the identical elongated shape of indoor blow-off outlet 11.But, indoor suction inlet 12 can also
Expand to than more in the inner part substantially overall of indoor blow-off outlet 11.
The lower surface of the decoration panel 10 in above-mentioned embodiment 1,2 is formed as plane.But, the present invention is not by such as
This restriction.The central part that the minor face of decoration panel 10 can also for example be made is projected downwards, is formed on the protuberance along long side
The planar portions that direction integrally extends, and the inclined plane integrally extended along long side direction is formed in the both sides of the planar portions.Also,
Indoor suction inlet 12 can also be formed as expanding to the substantially overall shape of the planar portions in central authorities, indoor blow-off outlet 11 is set
Put and be formed in the inclined plane of the both sides of the planar portions.
Claims (6)
1. a kind of ceiling flush type air conditioner, is the ceiling flush type of the two-way blowing-type with rectangular flat shape
Air conditioner, including the product main body of decoration panel and rectangular-shape, the decoration panel has will carry out temperature tune to interior
The indoor blow-off outlet of the Air blowing of section and the indoor suction inlet for sucking room air, the product main body is built-in with pressure fan
And heat exchanger, it is characterised in that
Two indoor blow-off outlets are formed with along two relative long sides in the decoration panel,
The pressure fan is that the centrifugal blower in the product main body is configured in towards in the way of vertical by rotary shaft,
During top view, the heat exchanger by between two indoor blow-off outlets and the pressure fan clipping described giving
The Liang Ge branches heat exchanger that the mode of blower fan is configured is constituted,
Two branch's heat exchangers divide into along its length first end, pars intermedia and the second end, described first
End, the refrigerant piping of the outside of branch's heat exchanger is connected with the refrigerant passage of branch's heat exchanger, in institute
The second end is stated, the refrigerant passage is turned back, the pars intermedia is abreast configured with the indoor blow-off outlet,
The first end and the second end are respectively towards the pressure fan bending, and the first end and described second
End relative to pars intermedia bending at different angles,
The isocon from diverter is connected with the first end of branch's heat exchanger,
During top view, the isocon is arranged in the region of the general triangular formed by outermost straight line and two lead-out wires
It is interior, wherein, the outermost straight line will be at the first end of two branch's heat exchangers, the product main body
Outermost locations on length direction are connected to each other, first end of two lead-out wires from two branch's heat exchangers
The ora terminalis of the first end side that the air at place passes through portion, is drawn at a right angle by face with air to relative branch's heat exchanger
Go out.
2. ceiling flush type air conditioner as claimed in claim 1, it is characterised in that
Bending angle of the first end relative to the extended line on the length direction of the pars intermedia of branch's heat exchanger
For less than 45 degree.
3. ceiling flush type air conditioner as claimed in claim 2, it is characterised in that
The second end relative to the extended line on the length direction of the pars intermedia of branch's heat exchanger bending angle,
It is bigger than the bending angle of the extended line on length direction of the first end relative to the pars intermedia.
4. the ceiling flush type air conditioner as described in any one in claims 1 to 3, it is characterised in that
The heat exchanger is configured to Guan Yuyi collector of multiple refrigerant outlets derived from two branch's heat exchangers
Connection.
5. the ceiling flush type air conditioner as described in any one in claims 1 to 3, it is characterised in that
The pressure fan is partial to the second end side configuration on the length direction of the product main body.
6. the ceiling flush type air conditioner as described in any one in claims 1 to 3, it is characterised in that
Two pressure fan are equipped at certain intervals along the length direction of the product main body, in the two pressure fan
Between the second end side configuration of point deflection.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-061004 | 2012-03-16 | ||
| JP2012061004A JP5494705B2 (en) | 2012-03-16 | 2012-03-16 | Two-way blowout ceiling air conditioner |
| PCT/JP2013/055283 WO2013136992A1 (en) | 2012-03-16 | 2013-02-28 | Bidirectional-blow-out, ceiling-embedded air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104169652A CN104169652A (en) | 2014-11-26 |
| CN104169652B true CN104169652B (en) | 2017-05-03 |
Family
ID=49160908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380013481.3A Active CN104169652B (en) | 2012-03-16 | 2013-02-28 | Bidirectional-blow-out, ceiling-embedded air conditioner |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2827071B1 (en) |
| JP (1) | JP5494705B2 (en) |
| CN (1) | CN104169652B (en) |
| ES (1) | ES2676711T3 (en) |
| TR (1) | TR201809517T4 (en) |
| WO (1) | WO2013136992A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6458984B2 (en) * | 2014-10-10 | 2019-01-30 | 株式会社富士通ゼネラル | Embedded ceiling air conditioner |
| ITVR20150064A1 (en) * | 2015-04-20 | 2016-10-20 | Gandini Jacques | DIFFUSION UNIT FOR THE AIR CONDITIONING OF INDOOR ENVIRONMENTS. |
| CN104896588B (en) * | 2015-05-26 | 2018-03-30 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner |
| CN107588476B (en) * | 2016-07-08 | 2024-01-26 | 珠海格力电器股份有限公司 | Heat exchange mechanism and air conditioner outdoor unit with same |
| CN107588475B (en) * | 2016-07-08 | 2023-10-27 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit |
| CN106765577B (en) * | 2017-01-03 | 2022-08-26 | 珠海格力电器股份有限公司 | Fresh air assembly capable of discharging air annularly and air conditioner |
| JP6477784B2 (en) * | 2017-05-24 | 2019-03-06 | ダイキン工業株式会社 | Air conditioner indoor unit |
| JP6409907B1 (en) * | 2017-05-24 | 2018-10-24 | ダイキン工業株式会社 | Air conditioner indoor unit |
| JP7011187B2 (en) * | 2019-11-14 | 2022-02-10 | ダイキン工業株式会社 | Refrigerant shunt and air conditioner |
| US20220186979A1 (en) * | 2020-12-14 | 2022-06-16 | Rheem Manufacturing Company | Heating systems with unhoused centrifugal fan and wraparound heat exchanger |
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|---|---|---|---|---|
| JPS60159531A (en) * | 1984-01-27 | 1985-08-21 | Sanyo Electric Co Ltd | Heat exchanging unit |
| JP2003287239A (en) * | 2002-03-28 | 2003-10-10 | Mitsubishi Electric Corp | Ceiling-embedded air-conditioner |
| CN1143989C (en) * | 1998-07-29 | 2004-03-31 | 株式会社日立制作所 | Indoor machine for built-in ceiling type |
| JP2005114321A (en) * | 2003-10-10 | 2005-04-28 | Sanyo Electric Co Ltd | Ceiling embedded type air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11148711A (en) * | 1997-11-14 | 1999-06-02 | Mitsubishi Heavy Ind Ltd | Ceiling embedded type air-conditioner |
| JP4724939B2 (en) * | 2001-03-30 | 2011-07-13 | ダイキン工業株式会社 | Air conditioner |
| EP2444751B1 (en) * | 2009-06-19 | 2019-01-30 | Daikin Industries, Ltd. | Ceiling-mounted air conditioning unit |
-
2012
- 2012-03-16 JP JP2012061004A patent/JP5494705B2/en active Active
-
2013
- 2013-02-28 ES ES13760702.4T patent/ES2676711T3/en active Active
- 2013-02-28 CN CN201380013481.3A patent/CN104169652B/en active Active
- 2013-02-28 WO PCT/JP2013/055283 patent/WO2013136992A1/en active Application Filing
- 2013-02-28 TR TR2018/09517T patent/TR201809517T4/en unknown
- 2013-02-28 EP EP13760702.4A patent/EP2827071B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60159531A (en) * | 1984-01-27 | 1985-08-21 | Sanyo Electric Co Ltd | Heat exchanging unit |
| CN1143989C (en) * | 1998-07-29 | 2004-03-31 | 株式会社日立制作所 | Indoor machine for built-in ceiling type |
| JP2003287239A (en) * | 2002-03-28 | 2003-10-10 | Mitsubishi Electric Corp | Ceiling-embedded air-conditioner |
| JP2005114321A (en) * | 2003-10-10 | 2005-04-28 | Sanyo Electric Co Ltd | Ceiling embedded type air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104169652A (en) | 2014-11-26 |
| JP2013194961A (en) | 2013-09-30 |
| WO2013136992A1 (en) | 2013-09-19 |
| EP2827071A1 (en) | 2015-01-21 |
| EP2827071B1 (en) | 2018-06-06 |
| EP2827071A4 (en) | 2015-12-09 |
| TR201809517T4 (en) | 2018-07-23 |
| ES2676711T3 (en) | 2018-07-24 |
| JP5494705B2 (en) | 2014-05-21 |
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