CN104169652A - Bidirectional-blow-out, ceiling-embedded air conditioner - Google Patents
Bidirectional-blow-out, ceiling-embedded air conditioner Download PDFInfo
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- CN104169652A CN104169652A CN201380013481.3A CN201380013481A CN104169652A CN 104169652 A CN104169652 A CN 104169652A CN 201380013481 A CN201380013481 A CN 201380013481A CN 104169652 A CN104169652 A CN 104169652A
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- heat exchanger
- branch
- air conditioner
- main body
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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
- F24F1/0059—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
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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
- F24F1/0043—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
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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
- F24F1/0059—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
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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
- F24F1/0059—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
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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
- F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—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
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- 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, particularly relate to a kind of structure of heat exchanger.
Background technology
As existing ceiling flush type air conditioner, the air conditioner of known a kind of four-way blowing-type and two-way blowing-type (double discharge type).The air conditioner of four-way blowing-type comprises along the blow-off outlet of the quadrangle one-tenth of this decoration panel in being installed on the decoration panel of ceiling surface.The air conditioner of two-way blowing-type comprises the blow-off outlet forming along the relative both sides of this decoration panel in decoration panel.In most situation, in the ceiling flush type air conditioner of two-way blowing-type, in order to seek the harmony with the design in room, and the flat shape of decoration panel is formed to rectangle, and along relative long limit, indoor blow-off outlet is set.
The prior art of the ceiling flush type air conditioner of this two-way blowing-type is disclosed in patent documentation 1.With reference to Fig. 9, the prior art is described.As shown in Figure 9, air conditioner comprises having the rectangular-shaped product main body 101 of rectangular flat shape and be built in heat exchanger 102 and the turbofan 103 in product main body 101.The common You Liangge of heat exchanger 102 branch heat exchanger 104 forms.Liang Ge branch heat exchanger 104 is configured in respectively the inner side of the sidewall extending along the length direction of product main body 101.Turbofan 103 is clamped between Liang Ge branch heat exchanger 104.On the center line 105 that turbofan 103 general arrangement are extended at the length direction along product main body 101.Overlook while observing, Liang Ge branch heat exchanger 104 central portions with the length direction in product main body 101 form the mode bending at obtuse angle, and two obtuse angles clip center line 105 toward each other.By making heat exchanger 102 crooked like this, increase the total length of the length direction of branch's heat exchanger 104, increase the heat exchange area of heat exchanger 102.
Prior art document
Patent documentation
Patent documentation 1: No. 287239 communiques of TOHKEMY 2003 –
Summary of the invention
Invent technical problem to be solved
But, from increasing the viewpoint of the heat exchange area of heat exchanger 102, have further improved space.That is,, in above-mentioned existing air conditioner, by changing the shape of Liang Ge branch heat exchanger 104, the total length of the length direction of Neng Shi branch heat exchanger 104 is longer.The total length of the length direction of Shi branch heat exchanger 104 is elongated and increase in the situation of heat exchange area, and in order to prevent from reducing productivity ratio, shape and the structure of crucial Shi Dui branch heat exchanger design.
The object of the invention is to, provide a kind of productivity ratio is kept and the ceiling flush type air conditioner of the two-way blowing-type that the heat exchange area of heat exchanger is larger.
The technical scheme that technical solution problem adopts
To achieve the above object, according to the first technical scheme of the present invention, a kind of ceiling flush type air conditioner with the two-way blowing-type of rectangular flat shape is provided, comprise decoration panel and rectangular-shaped product main body, above-mentioned decoration panel has to indoor and will carry out the indoor blow-off outlet of thermoregulator Air blowing and the indoor suction inlet that room air is sucked, and the said goods main body is built-in with pressure fan and heat exchanger.In above-mentioned decoration panel, along two relative long limits, be formed with two described indoor blow-off outlets.Above-mentioned pressure fan is towards the mode of vertical, to be configured in the centrifugal blower in the said goods main body with rotating shaft.Overlook while observing, above-mentioned heat exchanger is by forming to clip the Liang Ge branch heat exchanger that the mode of above-mentioned pressure fan configures between two above-mentioned indoor blow-off outlets and above-mentioned pressure fan.Two above-mentioned branch heat exchangers are divided into first end, pars intermedia and the second end along its length.At above-mentioned first end, the outside refrigerant piping of above-mentioned branch heat exchanger is connected with the refrigerant passage of above-mentioned branch heat exchanger, and at above-mentioned the second end, above-mentioned refrigerant passage is turned back.Above-mentioned pars intermedia and above-mentioned indoor blow-off outlet configure abreast.Above-mentioned first end and above-mentioned the second end be respectively towards above-mentioned pressure fan bending, and above-mentioned first end and above-mentioned the second end with respect to above-mentioned pars intermedia with different angle bendings.
Adopt said structure, the both ends of each branch's heat exchanger are towards pressure fan bending.Therefore, compare with the ceiling flush type air conditioner of above-mentioned existing two-way blowing-type, can increase the total length of the length direction of branch's heat exchanger, can increase thus the heat exchange area of each branch's heat exchanger.In addition, can consider the size of product main body, for the relation between the bending length at the retained part of bender that branch's heat exchanger bending is used and the both ends of branch heat exchanger, pipe arrangement are with respect to convenience that is connected operation of branch's heat exchanger etc., and at random set the both ends of branch's heat exchanger with respect to the bending angle of pars intermedia.Thus, can avoid the disadvantage in the making of branch's heat exchanger.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, above-mentioned first end is below 45 degree with respect to the bending angle of the extended line on the length direction of the pars intermedia of above-mentioned branch heat exchanger.
Adopt said structure, the brazing operation that isocon Yu Liangge branch heat exchanger is connected easily carries out.Its reason is because carry out as follows brazing operation.First, use brazing jig Jiang Liangge branch heat exchanger to assemble temporarily.And, in branch's heat exchanger of any one party, carry out the soldering of pipe arrangement, then in branch's heat exchanger of the opposing party, carry out the soldering of pipe arrangement.Now, need to be by the branch heat exchanger location of assembling temporarily so that by the pipe arrangement of soldering towards vertical.For example, in the situation that isocon is connected in to the first end of Liang Ge branch heat exchanger, need to distinguish Dui Liangge branch heat exchanger, mode with the end at the outstanding heat-exchange tube of first end towards vertical reconfigures branch's heat exchanger of assembling temporarily together with brazing jig.Now, by making first end, with respect to the bending angle of the extended line on the length direction of the pars intermedia of branch's heat exchanger, be below 45 degree, reduce the change of the required angle of reconfiguring of brazing jig, so this positioning operation easily carries out.In addition, also reduce following phenomenon, that is, and the phenomenon that the brazing operation that branch's heat exchanger of a side who is connected with pipe arrangement carries out the branch's heat exchanger the opposing party hinders.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, above-mentioned the second end is with respect to the bending angle of the extended line on the length direction of the pars intermedia of above-mentioned branch heat exchanger, larger with respect to the bending angle of the extended line on the length direction of above-mentioned pars intermedia than above-mentioned first end.
Adopt said structure, the total length of the length direction of Neng Shi branch heat exchanger is longer.Thus, the heat exchange area of branch's heat exchanger can be increased, thereby the heat exchange area of heat exchanger can be increased.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, at the above-mentioned first end of above-mentioned branch heat exchanger, be connected with the isocon from current divider.And, it is desirable to, overlook while observing, this isocon is arranged in the region of the general triangular being formed by outermost straight line and two lead-out wires, wherein, above-mentioned outermost straight line is connected to each other the outermost locations on the length direction above-mentioned first end place, the said goods main body of two above-mentioned branch heat exchangers, above-mentioned two lead-out wires, are met at right angles and are drawn to relative branch's heat exchanger side by face with air by the ora terminalis of the first end side of portion from the air of the first end of two above-mentioned branch heat exchangers.For a plurality of positions of the first end at branch's heat exchanger, with the length stipulated and arrangement mode, set the refrigerant passage of branch's heat exchanger, and the connection pipe arrangement that refrigerant passage is communicated with is installed.Therefore, the outermost straight line of heat exchanger is defined as the outermost locations line connected to one another of this connection pipe arrangement in relative Liang Ge branch heat exchanger.
Adopt said structure, overlook while observing, from the isocon of current divider, be arranged in the leg-of-mutton region being formed by above-mentioned outermost straight line and two extended lines, the end face of the first end by Shi Liangge branch heat exchanger extends and forms above-mentioned two extended lines to relative branch's heat exchanger side.Therefore flowing of the air that, the Shu Buhui of isocon obstruction is passed through in branch's heat exchanger.In addition, overlook while observing, from the isocon of current divider, be arranged in that the outside from outermost straight line to length direction is outstanding, the outermost locations of the length direction above-mentioned first end place, product main body of above-mentioned outermost straight line Jiang Liangge branch heat exchanger 41 is connected to each other.Therefore, can form compactly this air conditioner.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, above-mentioned heat exchanger is configured to a plurality of refrigerant outlet Guan Yuyi the collectors of deriving from two above-mentioned branch heat exchangers and connects.
Adopt said structure, the collector that Liang Ge branch heat exchanger needs respectively originally, only just can with one.Thereby, can make the required space of collector minimize, can form compactly air conditioner.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, above-mentioned pressure fan is partial to above-mentioned the second end side configuration on the length direction of the said goods main body.
Adopt said structure, can make the space between pressure fan and above-mentioned first end, larger than the space between pressure fan and above-mentioned the second end.This larger side's space can be utilized as fully and be connected space that distribution uses etc. between electric component case and electric parts.Particularly, how near above-mentioned first end, to be connected with the electric parts such as draining pump.Therefore, the space between pressure fan and above-mentioned first end is large, for the connection of these electric parts, is favourable.
On the basis of above-mentioned ceiling flush type air conditioner, it is desirable to, along the length direction of the said goods main body, with certain interval, be equipped with two above-mentioned pressure fans, the intermediate point of these two pressure fans is partial to above-mentioned the second end side configuration.
Adopt said structure, two pressure fans are partial to above-mentioned the second end configuration in product main body.Therefore, compare the pressure fan of the side in two pressure fans and the space between above-mentioned the second end, can increase two the opposing party's in pressure fan pressure fan and the space between above-mentioned first end.This larger side's space can be made full use of effectively as being connected space that distribution uses etc. between electric component case and electric parts.Particularly, for the connection that is configured near the electric parts such as draining pump above-mentioned first end, be easily more.
Invention effect
Adopt the present invention, compare with the ceiling flush type air conditioner of existing two-way blowing-type, can increase the total length of the length direction of branch's heat exchanger, can increase thus the heat exchange area of each branch's heat exchanger.In addition, owing to making the bending angle difference at the both ends of the branch's heat exchanger after bending, therefore can consider the size of product main body, the relation between the bending length at the retained part of the bender of branch's heat exchanger and the both ends of branch heat exchanger and pipe arrangement with respect to the convenience that is connected operation of branch's heat exchanger etc., are at random set both ends with respect to the bending angle of above-mentioned pars intermedia.Thus, can avoid the disadvantage in the making of branch's heat exchanger.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of ceiling flush type air conditioner of the two-way blowing-type of embodiments of the present invention 1.
Fig. 2 means the vertical view cutaway drawing of equipment configuration of the inside of the product main body in the ceiling flush type air conditioner of Fig. 1.
Fig. 3 means the sectional view of equipment configuration of inside of the ceiling flush type air conditioner of Fig. 1.
Fig. 4 is the enlarged drawing of end of the side that pipe arrangement is connected of the heat exchanger in the ceiling flush type air conditioner of Fig. 1.
Fig. 5 is the figure of the V direction of arrow in Fig. 4.
Fig. 6 means the stereogram that heat exchanger is installed on to the state of brazing jig.
Fig. 7 carries out the state description figure in the situation of soldering to the first end of the side that outside refrigerant piping is connected in the heat exchanger of Fig. 6.
Fig. 8 means the vertical view cutaway drawing of equipment configuration of the inside of the product main body in the ceiling flush type air conditioner of two-way blowing-type of embodiments of the present invention 2.
Fig. 9 means the vertical view cutaway drawing of equipment configuration of the inside of the product main body in the ceiling flush type air conditioner of two-way blowing-type of prior art.
The specific embodiment
(embodiment 1)
Below, with reference to Fig. 1～Fig. 7, embodiments of the present invention 1 are described.
The ceiling flush type air conditioning apparatus of the two-way blowing-type of embodiment 1 becomes the indoor unit in type-dividing conditioner.
The ceiling flush type air conditioner of this two-way blowing-type as shown in Figures 1 and 3, has rectangular flat shape, and the product main body 20 being connected with upper surface with this decoration panel 10 by decoration panel 10 forms.Decoration panel 10 is arranged on the below of product main body 20, and engaging is in ceiling material 1 (with reference to Fig. 3), and product main body 20 is installed on building structural element to hang on the mode of the building structural element (omitting diagram) of ceiling the inside.Decoration panel 10 and product main body 20 all have rectangular flat shape, but identical with the structure of prior art, and product main body 20 is slightly little.
As shown in Figures 1 and 3, on decoration panel 10, along two relative long limits, be formed with to indoor and will have carried out the indoor blow-off outlet 11 of thermoregulator Air blowing.Decoration panel 10 than this indoor blow-off outlet 11 position more in the inner part, be formed with the elongated indoor suction inlet 12 that room air is sucked.
As shown in Figure 2, product main body 20 comprise rectangular shape box-shaped body shell 21 and be built in pressure fan 30 and the heat exchanger 40 in this body shell 21.
Pressure fan 30 is towards the mode of vertical, to be configured in the centrifugal blower in product main body 20 with rotating shaft, is more specifically turbofan.As shown in Figure 2, overlook while observing, pressure fan 30 is configured to rotating shaft and is positioned in the centre line C L of extending along the length direction of product main body 20.Pressure fan 30 is configured to by the drive motor 32 that is installed on body shell 21 top boards and rotates along the clockwise direction shown in arrow in Fig. 2.As shown in Figure 3, utilize guard shield 33 that the lower surface of pressure fan 30 is divided.Pressure fan 30 is configured to the peristome air amount from the inner circumferential side of guard shield 33, from the periphery of impeller 31 by the Air blowing boosting.Pressure fan 30 has the horn-like portion 34 being communicated with the peristome of the inner circumferential side of guard shield 33.Horn-like portion 34 is configured to by the air cleaner 22 that is configured in the bottom in product main body 20 and is communicated in inner space 13 and the indoor suction inlet 12 between decoration panel 10 and air cleaner 22.
Overlook while observing, heat exchanger 40 consists of the Liang Ge branch heat exchanger 41 being configured between two indoor blow-off outlets 11 and pressure fan 30.Each branch's heat exchanger 41 is configured in the side that blows out of pressure fan 30.
Branch's heat exchanger 41 is the finned coils of plate that form at heat-exchange tube 42 (with reference to Fig. 4) the upper mounting plate fin 43 of the U font of formation refrigerant passage.Known according to Fig. 4 and Fig. 5, each branch's heat exchanger 41 is 16 layers of two rows, and each branch's heat exchanger 41 has respectively the refrigerant passage in seven paths.
As shown in the vertical view cutaway drawing of Fig. 2, the pars intermedia 41a of branch's heat exchanger 41 and indoor blow-off outlet 11 configure abreast, the both ends of branch's heat exchanger 41 towards pressure fan 30 in other words towards centre line C L bending.In the following description, the end of branch's heat exchanger 41 of the side that the refrigerant piping with outside is connected is called first end 41b, and the end of the side that a refrigerant passage side contrary with first end 41b, in branch's heat exchanger 41 is turned back is called the second end 41c.Like this, each branch's heat exchanger 41 is divided into towards first end 41b, the pars intermedia 41a of pressure fan 30 bendings with towards the second end 41c of pressure fan 30 bendings.
It is desirable to, in order to make the total length of length direction of branch's heat exchanger 41 elongated, the bending angle β of the extended line of the bending angle α of the extended line of the length direction with respect to pars intermedia 41a of first end 41b and the length direction with respect to pars intermedia 41a of the second end 41c is 90 degree.But, in order to meet the condition requiring making, bending angle α and β are set as less than 90 degree, and the angle for differing from one another.
For pipe arrangement is easily carried out with respect to the brazing operation of heat-exchange tube 42, the bending angle α of the first end 41b of branch's heat exchanger 41 is set as to approximately 45 degree.Due to pars intermedia 41a is configured to and centre line C L almost parallel, so this bending angle α is identical with respect to centre line C L angulation 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 length of the second end 41c of bending in for more than making the required length of the second end 41c the retained part crooked and bender that uses, and make the second end 41c become maximum angle with respect to the extended line of the length direction of pars intermedia 41a.In the present embodiment, the bending angle β of the second end 41c is about 60 degree.Because the above-mentioned bending angle α by the first end 41b of bending is 45 degree, so first end 41b possesses the required length of retained part of bender fully.Because pars intermedia 41a and centre line C L are configured to almost parallel, so the bending angle β of the second end 41c is identical with respect to centre line C L angulation with the extended line of the second end 41c.
Product main body 20 has drain pan 50 below heat exchanger 40.
The part of the drain pan 50 under branch's heat exchanger 41 is formed with for accepting the slot part 51 from the drain water of branch's heat exchanger 41.Drain pan 50 is also as the blowing out the separated partition member of side and suction side of pressure fan 30 brought into play to function.In this manual, the part of the drain pan 50 as this partition member performance function is called to separating part 52.It should be noted that as shown in Figure 3, in the part of the horn-like portion 34 of being provided with of separating part 52, be formed with circular hole 53, so that air cleaner 22 is communicated with horn-like portion 34.As shown in Figures 2 and 3, below the space between branch's heat exchanger 41 and sidewall, on separating part 52, be formed with elongated square hole 54, to be communicated with the indoor blow-off outlet 11 of decoration panel 10.
Next, near the structure first end 41b of branch's heat exchanger 41 is further detailed.
As shown in Figure 2, near the first end 41b of branch's heat exchanger 41, dispose the outside refrigerant loop that forms heat exchanger 40 equipment, relate to equipment that the refrigerant piping that carries out with outdoor unit (omitting diagram) is connected and for by the equipment of drain water discharge etc.Specifically, near the first end 41b of heat exchanger 40, dispose: for make from outdoor unit carry the current divider 61 of the liquid refrigerant shunting of coming, for the cold-producing medium of having been shunted by current divider 61 being transported to a plurality of isocons 62 of each branch's heat exchanger 41, a plurality of refrigerant outlet pipes 63 and the collector 64 for refrigerant outlet pipe 63 is collected for gaseous refrigerant is flowed out from branch's heat exchanger 41.In addition, for the connection pipe arrangement (omit diagram) that is communicated in outdoor unit is connected, liquid refrigerant pipe joint 65 and gaseous refrigerant pipe joint 66 be arranged on the side plate of body shell 21.In addition, also dispose level sensor 67 that the water level to stockpiling at the drain water of the accumulating part of drain pan 50 detects, for the drain water of delay being drained out to the draining pump 68 that comes, for discharge pipe 68a that the drain water that utilizes draining pump 68 to drain out is discharged and for making pipe joint 69 that discharge pipe 68a is connected with outside drainpipe etc.
Owing to being formed with the refrigerant passage in seven paths in Ge branch heat exchanger 41, therefore seven isocons 62 connect from current divider 61Yu Ge branch heat exchanger 41.Overlook while observing, isocon 62 is arranged in the region of the general triangular being formed by outermost straight line 45 and two lead-out wires 46,47, the outermost locations of above-mentioned first end 41b length direction place, product main body 20 of above-mentioned outermost straight line 45Jiang Liangge branch heat exchanger 41 is connected to each other, and above-mentioned lead-out wire 46,47Cong Liangge branch heat exchanger 41 are drawn.
In order to set the refrigerant passage in branch's heat exchanger 41 with length and the arrangement mode of regulation in a plurality of positions of the first end 41b at branch's heat exchanger 41, and the connection pipe arrangement that refrigerant passage is communicated with is installed.Therefore, the outermost straight line 45 of heat exchanger 40 is defined as the outermost locations line connected to one another of this connection pipe arrangement in relative Liang Ge branch heat exchanger 41.More specifically, in order to set refrigerant passage with length and the arrangement mode of regulation in a plurality of positions of the first end 41b at branch's heat exchanger 41, and be provided with the swan-neck 48 of the U font of 42 connections of heat-exchange tube of formation refrigerant passage.The outermost straight line 45 of heat exchanger 40 refers to and will be positioned at the outermost some line connected to one another of this swan-neck 48.
Article two, the air in lead-out wire 46,47 Shi Congliangge branch heat exchangers 41 is by the ora terminalis of the first end 41b side of portion, the line that is met at right angles and drawn to relative branch's heat exchanger 41 sides by face with air.In the present embodiment, air is equivalent to the tube sheet 41d of the first end 41b side in branch's heat exchanger 41 by the ora terminalis of the first end 41b side of portion.Thereby more specifically, lead-out wire the 46, the 47th, instigates the surface of this tube sheet 41d to extend the rear line forming.
Owing to being formed with the refrigerant passage in seven paths in Ge branch heat exchanger 41, so Liang Ge branch heat exchanger 41 is configured to and derives respectively seven refrigerant outlet pipes 63.The front end of these refrigerant outlet pipes 63 that as shown in Figure 5, the first end 41b of Cong Ge branch heat exchanger 41 extends is connected with a collector 64.The outside pipe arrangement of the branch's heat exchanger 41 being connected with refrigerant passage in branch heat exchanger 41 in the present invention, refers to isocon 62 and refrigerant outlet pipe 63.
In product main body 20, the mode of the more close the second end 41c of first end 41b of pressure fan 30Yi Bi branch heat exchanger 41 is partial to configuration.Thus, the space between the first end 41b of pressure fan 30Yu branch heat exchanger 41 becomes larger than the space between the second end 41c of pressure fan 30Yu branch heat exchanger 41.Below separating part 52 in this larger side's space, dispose electric component case 71.Utilize this space that near the above-mentioned draining pump 68 of first end 41b that is configured in branch's heat exchanger 41 is connected with the electric component in electric component case 71 with level sensor 67 electric parts such as grade.
Next, the effect of the ceiling flush type air conditioner of the two-way blowing-type forming is in the above described manner described.
First, the operation of air conditioner that utilizes the ceiling flush type air conditioner of present embodiment to carry out is described.
By making to be loaded in the compressor in not shown outdoor unit, and the pressure fan 30 being accommodated in product main body 20 turns round, and carries out the operation of air conditioner being undertaken by this ceiling flush type air conditioner.In the process of operation of air conditioner, room air flows in the mode shown in Fig. 3 hollow core arrow.Specifically, from indoor suction inlet 12, suck room airs, via inner space 13 and the air cleaner 22 of decoration panel 10, room air is drawn in pressure fan 30.The air blowing out from the periphery of pressure fan 30, in relative Liang Ge branch heat exchanger 41 interior dispersions, by each branch's heat exchanger 41, thereby is conditioned temperature.And, via the elongated square hole 54 that is formed on drain pan 50 sidepieces, will have been carried out thermoregulator air and blown out to indoor from indoor blow-off outlet 11.
In the situation that this operation of air conditioner is cooling operation, the liquid refrigerant being transferred via liquid refrigerant pipe joint 65 from outdoor unit (omitting diagram) flows as shown in solid arrow Fig. 4, by current divider 61, is diverted to equably in each isocon 62.The liquid refrigerant of having been shunted by current divider 61 flow in each refrigerant passage of branch's heat exchanger 41 by each isocon 62.The liquid refrigerant passing through in each refrigerant passage and room air carry out heat exchange vaporizes, and becomes gaseous refrigerant.Gaseous refrigerant is pooled to collector 64 via refrigerant outlet pipe 63, further via gaseous refrigerant pipe joint 66, get back in outdoor unit.This air conditioning apparatus becomes heat-pump-type structure, and in the situation that heating running, cold-producing medium flows along the direction with above-mentioned opposite direction, but its detailed description is omitted at this.
Compare with above-mentioned prior art, the performance of the heat exchanger while carrying out this operation of air conditioner is improved.Its reason be because, by configuring abreast the pars intermedia 41a of branch's heat exchanger 41 with indoor blow-off outlet 11, and by the first end 41b of branch's heat exchanger 41 and the second end 41c towards pressure fan 30 bendings, the total length of length direction of branch's heat exchanger 41 that can make to be loaded into product main body 20 is longer than prior art, consequently, the heat exchange area of heat exchanger 40 is increased.
Next, illustrate that the pipe arrangement that the heat exchanger 40 to forming in the above described manner carries out connects operation.Pipe arrangement that heat exchanger 40 is carried out connects operation by isocon 62 and refrigerant outlet pipe 63 centered by the brazing operation with respect to the heat-exchange tube 42 at the first end 41b place of branch's heat exchanger 41.
As shown in Figure 6, first use brazing jig 80Jiang Liangge branch heat exchanger 41 be assembled into temporarily be encased in product main body 20 in time identical posture.
Brazing jig 80 consists of outer member 81 and inner member 82, and above-mentioned outer member 81 supports from outside to 4 of heat exchanger 40 positions, and the pars intermedia 41a of above-mentioned inner member 82Jiang branch heat exchanger 41 is pushed on outer member 81.Known according to Fig. 6, outer member 81 is by the flat bearing wall 81a of the bottom surface of supporting hot interchanger 40, form from the side support wall 81b at 2 relative positions of the pars intermedia 41a of outside supporting Liang Ge branch heat exchanger 41 and the overhang bracket wall 81c of meander-shaped that supports the second end 41c of Liang Ge branch heat exchanger 41 simultaneously.Side support wall 81b and overhang bracket wall 81c are connected with flat bearing wall 81a respectively.Inner member 82 consists of the pushing 82a of wall portion and force application component 82b, and the above-mentioned pushing wall 82a of portion is by the pars intermedia 41a side support wall 81b of member 81 pushing laterally from inner side, and above-mentioned force application component 82b pushes the 82a of the wall portion application of force outwardly to this.
Used as follows the interim assembling of the Liang Ge branch heat exchanger 41 of this brazing jig 80.First, the second end 41c of branch's heat exchanger 41 is connected to each other.And, the branch's heat exchanger 41 after connecting, to form as shown in Figure 6 and the mode that is accommodated in product main body 20 identical shape when interior, is arranged on to the inner side of the outer member 81 of brazing jig 80.Then, the force application component 82b of inner member 82 is operated, by the pars intermedia 41a side support wall 81b pushing of member 81 laterally of pushing Bi Bu82aJiang branch heat exchanger 41.Thus, between the side support wall 81b of outer member 81 and the pushing wall 82a of portion of inner member 82, the pars intermedia 41a of branch's heat exchanger 41 is controlled.Like this, utilize brazing jig 80 that heat exchanger 40 is assembled temporarily.
Then, soldering is carried out in the end of the heat exchanger 40 after interim assembling.For this soldering easily and is reliably carried out, originally branch's heat exchanger 41 of a side is carried out to soldering, then branch's heat exchanger 41 of the opposing party is carried out to soldering.
For example, as shown in the figure in the left side of Fig. 7, first the tube sheet 41d of the first end 41b in branch's heat exchanger 41 in level maintenance left side, makes by the tubular axis of the heat-exchange tube 42 of soldering towards vertical.When arranging like this, isocon 62 and refrigerant outlet pipe 63 easily and reliably can be brazed in to the heat-exchange tube 42 of first end 41b of branch's heat exchanger 41 in left side.And, after the soldering of carrying out at the branch's heat exchanger 41 to left side finishes, as shown in the figure on the right side of Fig. 7, the heat exchanger 40 after interim assembling is rotated together with brazing jig 80, similarly branch's heat exchanger 41 on right side is carried out to soldering with the situation of branch's heat exchanger 41 in left side.
Also, for the position of carrying out soldering before will be in being encased in product main body 20, on this brazing jig 80, carrying out soldering is also easily for other pipe arrangement being connected about the surrounding of the first end 41b with branch heat exchanger 41 and equipment.For example, when the refrigerant outlet pipe 63 in Jiang Ge branch heat exchanger 41 is to collector 64 soldering, with above-mentioned same, mode with the tubular axis of the refrigerant outlet pipe 63 at soldering position towards vertical, make the heat exchanger 40 after interim assembling rotate together with brazing jig 80 and carry out soldering, thereby can make refrigerant outlet pipe 63 and the brazing operation of collector 64 easily and reliably carry out.
The ceiling flush type air conditioner of present embodiment adopts above structure, can play following this effect.
(1) compare with the ceiling flush type air conditioner of the two-way blowing-type of above-mentioned prior art, can increase the total length of the length direction of branch's heat exchanger 41, can increase thus the heat exchange area of each branch's heat exchanger 41.
(2) make the bending angle α of the first end 41b in branch's heat exchanger 41 different with the bending angle β of the second end 41c.Thereby, can consider the size of product main body 20, the relation between the bending length at the retained part of the bender of branch's heat exchanger 41 and the both ends of branch heat exchanger 41, pipe arrangement, with respect to convenience that is connected operation of branch's heat exchanger 41 etc., are set as angle arbitrarily by bending angle α, the β of above-mentioned end.Thus, can avoid the disadvantage in the making of branch's heat exchanger.
(3) the bending angle α due to the first end 41b of branch's heat exchanger 41 is below 45 degree, therefore as mentioned above, can easily the heat exchanger 40 after assembling be temporarily positioned to carry out the tubular axis of heat-exchange tube 42 of soldering towards vertical.Thus, the brazing operation that isocon 62Xiang Liangge branch heat exchanger 41 is connected easily carries out.
(4) the bending angle β of the second end 41c of branch's heat exchanger 41 is set for larger than the bending angle α of first end 41b.In the aspect that the total length of the length direction of Zhe Shi branch heat exchanger 41 is grown as far as possible, be favourable.By increasing the total length of the length direction of branch's heat exchanger 41, can increase the heat exchange area of each branch's heat exchanger 41, thereby can increase the heat exchange area of heat exchanger 40.
(5) from the isocon 62 of current divider 61, be arranged in the leg-of-mutton region being formed by outermost straight line 45 and two lead-out wires 46,47, the outermost locations of length direction first end 41b place, product main body 20 of above-mentioned outermost straight line 45Jiang Liangge branch heat exchanger 41 is connected to each other, the air at the first end 41b place of above-mentioned two lead-out wires 46,47Cong Liangge branch heat exchanger 41, by the ora terminalis of the first end 41b side of portion, is met at right angles and is drawn to relative branch's heat exchanger 41 sides by face with air.Thereby the Shu Buhui of isocon 62 hinders flowing of the air that passes through in branch's heat exchanger 41.
(6) overlook while observing, a plurality of (the being specifically 14) isocon 62 of deriving from current divider 61 is configured to the outside from above-mentioned outermost straight line 45 to length direction and gives prominence to.Thereby, can form compactly this air conditioner.
(7) a plurality of (specifically Shi Ge branch heat exchanger 41 is respectively 7) refrigerant outlet pipe 63 that Cong Liangge branch heat exchanger 41 is derived is connected with a collector 64 entirely, therefore the collector 64 that Liang Ge branch heat exchanger 41 needs respectively originally, just can with one.Thereby, can make the required space of collector 64 minimize, can form compactly this air conditioner.
(8) pressure fan 30 is in product main body 20, and the second end 41c side configuration of deflection branch heat exchanger 41, therefore can make the space between pressure fan 30 and first end 41b, larger than the space between pressure fan 30 and the second end 41c.Thereby, this larger side's space can be made full use of effectively as being connected space that distribution uses etc. between electric component case 71 and electric parts.This space, for the connection that is configured in the electric parts such as near the draining pump 68 first end 41b of branch's heat exchanger 41 and level sensor 67, is particularly easily more.
(embodiment 2)
Next, with reference to Fig. 8, embodiment 2 is described.The ceiling flush type air conditioner of the two-way blowing-type of embodiment 2 is compared with embodiment 1, has increased the size of the length direction of decoration panel 10 and product main body 20, disposes two pressure fans 30, thereby has improved performance.Other structure is identical with embodiment 1.The ceiling flush type air conditioner of the two-way blowing-type of embodiment 2 is described below, centered by the difference with embodiment 1.For the inscape identical with embodiment 1, mark the symbol identical with embodiment 1, omit or simplified illustration.
In the ceiling flush type air conditioner of embodiment 2, for increase as described above product main body 20 length direction size and improve performance, the size of body shell 21, decoration panel 10 and drain pan 50 is changed.In addition, corresponding for the size of the size of the length direction with product main body 20, the size of the length direction of Er Shi branch heat exchanger 41 is larger than embodiment 1.More specifically, compare with embodiment 1, the size of the pars intermedia 41a of branch's heat exchanger 41 increases.First end 41b after bending and the size of the second end are identical with embodiment 1.
In the ceiling flush type air conditioner of embodiment 2, in order to improve performance, two pressure fans 30 are vacated certain arranged spaced along its length in product main body 20.Between two pressure fans 30, be provided with for by the partition wall that blows out side spatial separation 35 of two pressure fans 30.The intermediate point deflection the second end 41c side of two pressure fans 30.
The ceiling flush type air conditioner of embodiment 2 adopts above structure, except playing the effect of above-mentioned (1)～(7) of embodiment 1, can also play following effect.
(9) two pressure fans 30 are configured to its intermediate point in the interior deflection the second end of product main body 20 41c side, therefore compare with the space between the second end 41c with the pressure fan 30 of a side in two pressure fans, the opposing party's pressure fan 30 and the space between first end 41b are larger.Thus, the space of first end 41b side can be made full use of effectively as being connected space that distribution uses etc. between electric component case 71 and electric parts.This space, for the connection that is configured in the electric parts such as near the draining pump 68 first end 41b of branch's heat exchanger 41 and level sensor 67, is particularly easily more.
(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 applied as following variation.About following variation, also different variation suitably mutually can be combined and applies each other.
In above-mentioned embodiment 1,2, as the concrete example of heat exchanger 40, enumerated the finned coil of plate that plate fin is installed on to the heat-exchange tube 42 of U font and forms, but also can use the air heat exchanger of other form.As the heat exchanger of other form, for example, can enumerate the microchannel heat exchanger with the minitype channel that becomes refrigerant passage.
From increase the total length of the length direction of branch's heat exchanger 41 as far as possible, and the viewpoint that the brazing operation of the pipe arrangement at first end 41b place easily carries out is set out, it would be desirable, the bending angle α of the first end 41b in above-mentioned embodiment 1,2 is 45 degree.But bending angle α can be also other angle.In the viewpoint of workability of soldering that improves pipe arrangement, it is desirable to, this bending angle α is set as below 45 degree.
For guaranteeing at the second end 41c, it is desirable to the scope of the retained part of bender, the bending angle β of the second end 41c in above-mentioned embodiment 1,2 approaches 90 degree as far as possible.Thereby the bending angle β described in embodiment is before not limited to 60 degree.
In above-mentioned embodiment 1,2, make the position deflection the second end 41c side of the pressure fan 30 in product main body 20.When in the situation that being provided with electric component case between pressure fan 30 and first end 41b side, this configuration of the pressure fan 30 in product main body 20 can not make air drag in air conditioner because distribution etc. increases, and is therefore desirable.But the present invention is not so limited.
In above-mentioned embodiment 1,2, from the isocon 62 of current divider 61, be arranged in the leg-of-mutton region being formed by outermost straight line 45 and two lead-out wires 46,47, the outermost locations of length direction first end 41b place, product main body 20 of above-mentioned outermost straight line 45Jiang Liangge branch heat exchanger 41 is connected to each other, the air at the first end 41b place of two above-mentioned lead-out wires 46,47Cong Liangge branch heat exchanger 41, by the ora terminalis of the first end 41b side of portion, is met at right angles and is drawn to relative branch's heat exchanger 41 sides by face with air.But the present invention is not so limited.Arrange in the above described manner isocon 62 in above-mentioned triangle in the situation that, the rising of the air drag in the air conditioner being caused by isocon 62 is prevented.
In above-mentioned embodiment 1,2, the indoor blow-off outlet 11 of the ratio of indoor suction inlet 12 on the lower surface of decoration panel 10 position more in the inner part, forms the elongated shape identical with indoor blow-off outlet 11.But indoor suction inlet 12 also can expand to than indoor blow-off outlet 11 roughly integral body more in the inner part.
The lower surface of the decoration panel 10 in above-mentioned embodiment 1,2 forms plane.But the present invention is not so limited.For example also can make the central portion of the minor face of decoration panel 10 give prominence to downwards, on this protuberance, form along the whole planar portions of extending of long side direction, and in the both sides of this planar portions, form the inclined plane of extending along long side direction integral body.And, also indoor suction inlet 12 can be formed to the roughly shape of integral body that expands to central planar portions, indoor blow-off outlet 11 is arranged on the inclined plane of the both sides that are formed at this planar portions.
Claims (7)
1. a ceiling flush type air conditioner, it is the ceiling flush type air conditioner with the two-way blowing-type of rectangular flat shape, comprise decoration panel and rectangular-shaped product main body, described decoration panel has to indoor and will carry out the indoor blow-off outlet of thermoregulator Air blowing and the indoor suction inlet that room air is sucked, described product main body is built-in with pressure fan and heat exchanger, it is characterized in that
In described decoration panel, along two relative long limits, be formed with two described indoor blow-off outlets,
Described pressure fan is towards the mode of vertical, to be configured in the centrifugal blower in described product main body with rotating shaft,
Overlook while observing, described heat exchanger is by forming to clip the Liang Ge branch heat exchanger that the mode of described pressure fan configures between two described indoor blow-off outlets and described pressure fan,
Two described branch heat exchangers are divided into first end, pars intermedia and the second end along its length, at described first end, the refrigerant passage of the outside refrigerant piping Yu Gai branch heat exchanger of described branch heat exchanger connects, at described the second end, described refrigerant passage is turned back, described pars intermedia and described indoor blow-off outlet configure abreast
Described first end and described the second end be respectively towards described pressure fan bending, and described first end and described the second end with respect to described pars intermedia with different angle bendings.
2. ceiling flush type air conditioner as claimed in claim 1, is characterized in that,
Described first end is below 45 degree with respect to the bending angle of the extended line on the length direction of the pars intermedia of described branch heat exchanger.
3. ceiling flush type air conditioner as claimed in claim 2, is characterized in that,
Described the second end is with respect to the bending angle of the extended line on the length direction of the pars intermedia of described branch heat exchanger, larger with respect to the bending angle of the extended line on the length direction of described pars intermedia than described first end.
4. the ceiling flush type air conditioner as described in any one in claims 1 to 3, is characterized in that,
Described first end at described branch heat exchanger is connected with the isocon from current divider,
Overlook while observing, described isocon is arranged in the region of the general triangular being formed by outermost straight line and two lead-out wires, wherein, described outermost straight line is connected to each other the outermost locations on the length direction described first end place, described product main body of two described branch heat exchangers, described two lead-out wires, are met at right angles and are drawn to relative branch's heat exchanger by face with air by the ora terminalis of the first end side of portion from the air of the first end of two described branch heat exchangers.
5. the ceiling flush type air conditioner as described in any one in claim 1 to 4, is characterized in that,
Described heat exchanger is configured to a plurality of refrigerant outlet Guan Yuyi the collectors of deriving from two described branch heat exchangers and connects.
6. the ceiling flush type air conditioner as described in any one in claim 1 to 5, is characterized in that,
Described pressure fan is partial to described the second end side configuration on the length direction of described product main body.
7. the ceiling flush type air conditioner as described in any one in claim 1 to 5, is characterized in that,
Length direction along described product main body is equipped with two described pressure fans with certain interval, and the intermediate point of these two pressure fans is partial to described the second end side configuration.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012061004A JP5494705B2 (en) | 2012-03-16 | 2012-03-16 | Two-way blowout ceiling air conditioner |
| JP2012-061004 | 2012-03-16 | ||
| 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 true CN104169652A (en) | 2014-11-26 |
| CN104169652B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896588A (en) * | 2015-05-26 | 2015-09-09 | 广东美的制冷设备有限公司 | Indoor air conditioner |
| CN106765577A (en) * | 2017-01-03 | 2017-05-31 | 珠海格力电器股份有限公司 | The fresh air component and air-conditioner of a kind of annular air |
| CN107588476A (en) * | 2016-07-08 | 2018-01-16 | 珠海格力电器股份有限公司 | Heat exchange mechanisms and the air-conditioner outdoor unit with the heat exchange mechanisms |
| CN107588475A (en) * | 2016-07-08 | 2018-01-16 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit |
| CN110621938A (en) * | 2017-05-24 | 2019-12-27 | 大金工业株式会社 | Indoor unit of air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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. |
| JP6477784B2 (en) * | 2017-05-24 | 2019-03-06 | 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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- 2013-02-28 CN CN201380013481.3A patent/CN104169652B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104896588A (en) * | 2015-05-26 | 2015-09-09 | 广东美的制冷设备有限公司 | Indoor air conditioner |
| 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 |
| CN107588476A (en) * | 2016-07-08 | 2018-01-16 | 珠海格力电器股份有限公司 | Heat exchange mechanisms and the air-conditioner outdoor unit with the heat exchange mechanisms |
| CN107588475A (en) * | 2016-07-08 | 2018-01-16 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit |
| CN107588475B (en) * | 2016-07-08 | 2023-10-27 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit |
| 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 |
| CN106765577A (en) * | 2017-01-03 | 2017-05-31 | 珠海格力电器股份有限公司 | The fresh air component and air-conditioner of a kind of annular air |
| 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 |
| CN110621938A (en) * | 2017-05-24 | 2019-12-27 | 大金工业株式会社 | Indoor unit of air conditioner |
| CN110621938B (en) * | 2017-05-24 | 2021-05-18 | 大金工业株式会社 | Indoor unit of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2676711T3 (en) | 2018-07-24 |
| JP5494705B2 (en) | 2014-05-21 |
| TR201809517T4 (en) | 2018-07-23 |
| CN104169652B (en) | 2017-05-03 |
| EP2827071A1 (en) | 2015-01-21 |
| EP2827071A4 (en) | 2015-12-09 |
| EP2827071B1 (en) | 2018-06-06 |
| WO2013136992A1 (en) | 2013-09-19 |
| JP2013194961A (en) | 2013-09-30 |
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