CN1263986C - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN1263986C CN1263986C CN 03153047 CN03153047A CN1263986C CN 1263986 C CN1263986 C CN 1263986C CN 03153047 CN03153047 CN 03153047 CN 03153047 A CN03153047 A CN 03153047A CN 1263986 C CN1263986 C CN 1263986C
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- CN
- China
- Prior art keywords
- heat exchanger
- path
- wind
- air
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The air conditioner has a fan for sucking air axially and blowing the air radially. A heat exchanger 200 has a windward heat exchanger part 210 and a leeward heat exchanger part 220 arranged in parallel along the direction in which the fan blows the air. Heat exchanger pipes 211a-211m, 221a-221m provided within the heat exchanger 200 to allow refrigerant to pass through have a first path disposed at the top for allowing each of the pipes to pass once from the windward heat exchanger part 210 to the leeward heat exchanger part 220 at a different vertical position, and a second path for allowing each of the pipes to pass twice through the leeward heat exchanger part 220 at a different vertical position after passing twice through the windward heat exchanger part 210 at a different vertical position.
Description
Technical field
The present invention relates to the air conditioner of ceiling flush type, particularly relate to the improvement of the heat exchanger that is contained in indoor set.
Background technology
As air conditioner, be installed on by the existence sense of the so-called wall-hanging of air conditioning chamber's wall, to alleviate constriction from elimination the occupant, tend to use at present air conditioner mostly with ceiling flush type indoor set.
This air conditioner is that decoration panel is exposed to is indoor, this decoration panel have be installed on the indoor set body following, blow out the blow-off outlet of guiding heat exchange air and suck the suction inlet of guiding room air.Described suction inlet is opened on the substantial middle portion of decoration panel, and the blow-off outlet dispersed is opened on the both sides or the periphery of suction inlet.
With the body of described suction inlet subtend in the filter that filters of the dust that contains in being installed with room air.Suction inlet embeds to have allows room air circulation and the suction grid that inside is covered from suction inlet.Again, blow-off outlet is respectively arranged with the air regulator of change to the heat exchanger direction of air that is blown out by the air conditioning chamber.
As heat exchanger, can be divided into 2 layers of wind upside heat exchanger and wind downside heat exchangers, and be arranged to surround the form of blowing fan.
Heat exchanger has the U-shaped pipe of cold-producing medium to constitute by a plurality of blades and the circulation of being located at therebetween.In being divided into 2 layers heat exchanger, shown in Fig. 8 (a), the installation method of U-shaped pipe adopts usually is that the U-shaped Guan Congfeng upside heat exchanger of above-below direction by diverse location is arranged to the shape that wind downside heat exchanger forms 1 path.Fig. 9 is the structure that the path shown in Fig. 8 (a) is arranged to the bottom from top.
Above-mentioned air conditioner exists following problem.That is, if adopt the structure of Fig. 9, the top wind speed is fast, the slow characteristic of bottom wind speed because of blowing fan has, so the bottom is not easy evaporation, heat exchanger effectiveness is low., shown in Fig. 8 (b), normally 2 U-shaped pipes are connected by return bend, the distance of passing through in the heat exchange department is twice than top for this reason, and the shunting of the cold-producing medium by suitable setting circulation heat exchanger can improve heat exchanger effectiveness.
Yet, be twice the path that passes through of distance if add in the heat exchange department, exist when in the middle of the path during drying primary air in the U-shaped pipe of upside can not carry out heat exchange and become the problem of bypass.At this, so-called bypass be meant can not heat exchange room air go out to blowing out effluent.In this occasion, hot and humid air contacts dewfall with the cold wall of blow-off outlet bad phenomenon can take place.
Adopted a kind of air conditioner that makes converter driving that compressor capacity changes etc. recently again.In this occasion,, shunt then difficulty more so want setting rationally because the refrigerant amount that spues is changed.
For this reason, the object of the invention is to provide a kind of and can improves heat exchanger effectiveness, and can prevent the indoor set of the air conditioner of bypass.
Summary of the invention
In order to address the above problem, realize above-mentioned purpose, air conditioner of the present invention has adopted following structure.
The air conditioner of technical scheme 1 is characterised in that, comprising: following have peristome and accommodate control part, heat exchanger and pressure fan, embedding in inside by the ceiling peristome of air conditioning chamber and be mounted on indoor set body in the ceiling; And the lower aperture portion of this indoor set body closed, be mounted to the decoration panel that is exposed to by the rectangle of air conditioning chamber, pressure fan has: drive motors, and have by the gyroaxis of this drive motors driven vertical direction and from axial attraction air towards the blowing fan of radially sending air, heat exchanger arrangement is around pressure fan, and have wind upside heat exchanger and a wind downside heat exchanger that is set up in parallel along the blow-off direction of blowing fan, be arranged at described heat exchanger the heat-exchange tube interior and cold-producing medium that circulates and have many articles the 1st paths and many articles the 2nd paths, the 1st path is disposed at upper side respectively, each the 1st path passes through wind downside heat exchanger 1 time from wind upside heat exchanger respectively on different up and down positions, the 2nd via configuration is in the lower side of the 1st path, each the 2nd path respectively on different up and down positions 2 times by wind downside heat exchanger, then on different up and down positions 2 times by wind downside heat exchanger.
The air conditioner of technical scheme 2 is in the air conditioner of technical scheme 1, it is characterized in that, described the 1st path in the described heat exchanger and the gateway of described the 2nd path are disposed at a circumferential side's end side.
The air conditioner of technical scheme 3 is in the air conditioner of technical scheme 1, it is characterized in that, described compressor is the ability changeable type.
Adopt the present invention, can improve heat exchanger effectiveness, and, even path is middle dry, also can in wind upside heat exchanger, carry out heat exchange, can prevent the generation of bypass.
The simple declaration of accompanying drawing
Fig. 1 is the stereogram of indoor set of the air conditioner of the ceiling flush type of representing one embodiment of the invention from following side.
Fig. 2 is will be with the stereogram of indoor set body in the indoor set and decoration panel discrete representation.
Fig. 3 is the exploded perspective view of indoor set body.
Fig. 4 is the profilograph with the indoor set body.
Fig. 5 is for representing with the integrally-built ideograph of air conditioner.
Fig. 6 is for representing to be assembled in the side view with the heat exchanger in the air conditioner.
Fig. 7 is the key diagram of pattern ground expression with the path of heat exchanger.
Fig. 8 is the key diagram of the path principle of pattern ground expression heat exchanger.
Fig. 9 is assembled in the key diagram of the path of the heat exchanger in traditional air conditioner for the expression of pattern ground.
The specific embodiment
Fig. 1 is the stereogram of indoor set 10 of the air conditioner of the ceiling flush type of representing one embodiment of the invention from following side, Fig. 2 is will be with the stereogram of the indoor set body in the indoor set 10 20 with decoration panel 100 discrete representations, Fig. 3 is the exploded perspective view of indoor set body 20, Fig. 4 is the profilograph of indoor set body 20, Fig. 5 is the integrally-built ideograph of expression air conditioner, Fig. 6 is the side view of expression heat exchanger 200, and Fig. 7 is the key diagram of the path of expression heat exchanger 200.
As shown in Figure 1, the indoor set 10 of air conditioner has indoor set body 20 and decoration panel 100, described indoor set body 20 inserts from the indoor with peristome from being located at by the installation on the ceiling of air conditioning chamber, and hang to hold by what is called such as hanging bolts and be fixed in the ceiling, described decoration panel 100 exposes the indoor that shape is installed on this indoor set body 20.
As shown in Figure 2, the whole openings of the 21a of lower aperture portion of indoor set body 20, last face and side surface part have the housing 21 that is made of the plate face.Inner peripheral surface at this housing 21 posts heat-barrier material 22, forms thermal insulation construction.
Central portion in housing 21 inside disposes pressure fan 23, contains to surround pressure fan 23 and form the plane to see the indoor heat converter 200 that is L word shape.Indoor heat converter 200 is double-layer structures, and the inboard is made of wind upside heat exchanger 210, and the outside is made of wind downside heat exchanger 220.Indoor heat converter 200 is described in detail in detail below.
The 21a of lower aperture portion of housing 21 is closed by decoration panel 100.This decoration panel 100 is exposed to indoor, and the installation of housing 21 side faces and ceiling is covered with the gap of peristome.
Be arranged to horn mouth 26 between the suction inlet described later 110 of decoration panel 100 and blowing fan 23b, the dish 25 that uncovered around it surrounds.It is that path, suction inlet 110 sides are big taper directly that horn mouth 26 forms blowing fan 23b side.Be provided with electric part box 27 in the side of horn mouth 26.In electric part box 27, contain control loop (not shown).
Central most of area of decoration panel 100 is rectangle suction inlets 110 of opening, this suction inlet 110 roughly with dish 25 the medial surface subtend that uncovers.
In the suction inlet 110 of decoration panel 100, can adorn to get to be equipped with freely and suck grid 111.Suck grid 111 room air in the suction inlet 110 is circulated, and become from suction inlet 110 covering for housing 21 inside.And, be provided with blow-off outlet 120～123 along each limit portion of suction inlet 110.That is, blow-off outlet 120～123 is the extremely elongated rectangle of length direction relative width direction, is arranged on 4 positions.In addition, among the figure 101～104 expression dresses take from as corner portion.
The gap that each blow-off outlet 120～123 and being installed on uncovers between the heat-barrier material 22 of side surface part of the lateral surface of dish 25 and housing 21 is opposed, and itself is to foreign side's bending.Be separately installed with the air regulator 150～153 of air regulator mechanism 130 at blow-off outlet 120～123 separately, be used for blowing out guiding to the vast scope of decoration panel 100 peripheries.
As mentioned above, indoor heat converter 200 has the wind downside heat exchanger 220 that is positioned at inboard wind upside heat exchanger 210 and is positioned at the outside.Wind upside heat exchanger 210 and wind downside heat exchanger 220 are respectively arranged with a plurality of blades, carry out heat exchange by circulation room air between these blades.
Fig. 5 is the ideograph that the indoor heat converter 200 in the presentation graphs 3 launches.The left part of indoor heat converter 200 left end among Fig. 3 and the right part of the wind upside heat exchanger 210 among Fig. 5 and wind downside heat exchanger 220 is suitable, and the right part of indoor heat converter 200 right-hand end among Fig. 3 and the left part of the wind upside heat exchanger 210 among Fig. 5 and wind downside heat exchanger 220 is suitable.Fig. 6 is the side view of indoor heat converter 200 left end in the presentation graphs 3.
To the gateway centralized configuration of the cold-producing medium of indoor heat converter 200 in the right part (a circumferential side's end side).In addition, omitted among Fig. 3 the head in each way set.
13 U-shaped pipes (heat-exchange tube) 211a～211m is installed on the blade of wind upside heat exchanger 210.And, connect by return bend 212a between U-shaped pipe 211h, 211i, connect by return bend 212b between U-shaped pipe 211j, 211k, connect by return bend 212c between U-shaped pipe 211l, 211m.
13 U-shaped pipe 221a～221m are installed on the blade of wind downside heat exchanger 220.And, connect by return bend 222a between U-shaped pipe 221h, 221i, connect by return bend 222b between U-shaped pipe 221j, 221k, connect by return bend 222c between U-shaped pipe 221l, 221m.
The U-shaped pipe 211a～211g of wind upside heat exchanger 210 forms 1 path by being connected with the U-shaped pipe 221a～221g of wind downside heat exchanger 220.Again, each U-shaped pipe 211h of wind upside heat exchanger 210,211j, 211l are connected with each U-shaped pipe 221h, 221j, the 221l of wind downside heat exchanger 220 respectively and form 1 path.That is, compare with the top of wind downside heat exchanger 220 with wind upside heat exchanger 210, the path-length of bottom is twice.Thus, corresponding with the air quantity top of pressure fan 23 state fast, that the bottom is slow.
At this, the path of each path from Fig. 5 upside begun to be referred to as path A～path J to the path of downside.
As shown in Figure 5, air conditioner comprises: be connected, be transformed to the converter 1 of direct current with AC power K; Compressor 2 by this converter 1 driving, compressed refrigerant; Switch the cross valve 3 of the warm refrigeration of system; Carry out the outdoor heat converter 4 of cold-producing medium heat exchange; Valve 5; And the pipe arrangement 6 that connects these members, and utilize the cold-producing medium that circulates in the pipe arrangement 6 to carry out heat exchange.Compressor 2 drives for converter, and can change compressed capability.Be not limited to converter as the variable method of compressor capacity and drive, also can be mechanical type.
In the indoor set 10 of the air conditioner of the ceiling flush type of this structure, attract from the indoor by Air Conditioning by driving pressure fan 23, in indoor heat converter 200 after the heat exchange, blow out to the indoor from blow-off outlet 120～123.
As shown in Figure 7, in indoor heat converter 200, all path A～liquid sides of path J all are positioned at the upstream side of wind, can improve the warm performance of system.Particularly in path A～path G, become the counter current flow path when warming up, so can improve heat exchanger effectiveness because of making.Again, for path H～path J, even when refrigeration path in the middle of dry, also can in wind upside heat exchanger, carry out heat exchange, so be not easy to become the bypass of primary air.During refrigeration, cold-producing medium is towards the opposite direction circulation of Fig. 7 arrow.
Again,, therefore, make U-shaped pipe 211a～211m, 221a～221m by blade easily, and be bent to form easily, make the efficient height because the right part that is formed at indoor heat converter 200 is concentrated in the gateway of cold-producing medium.Again since not from the right part of indoor heat converter 200 across U-shaped pipe and pipe arrangement to the left part, therefore make designs simplification, can improve manufacturing efficient.
As mentioned above, adopt the indoor set 10 of the air conditioner of one embodiment of the invention, can not only improve the heat exchanger effectiveness of heat exchanger, and can prevent the generation of bypass, can prevent dewfall.Even compressor is the ability changeable type, also can prevent the generation of bypass.And can make simplifying the structure of indoor heat converter, and simplify operations such as pipe arrangement bending, can improve manufacturing efficient.
In addition, the present invention is not limited to the foregoing description, without departing from the spirit and scope of the present invention, also can do various changes certainly.
Claims (3)
1. an air conditioner is characterized in that, comprising:
Have peristome below and accommodate control part, heat exchanger and pressure fan, embedding in inside by the ceiling peristome of air conditioning chamber and be mounted on indoor set body in the ceiling; And
The lower aperture portion of this indoor set body is closed, is mounted to the decoration panel that is exposed to by the rectangle of air conditioning chamber,
Described pressure fan has: drive motors and have by the gyroaxis of this drive motors driven vertical direction and from axial attraction air towards the blowing fan of radially sending air,
Described heat exchanger arrangement and has wind upside heat exchanger and the wind downside heat exchanger that is set up in parallel along the blow-off direction of described blowing fan around described pressure fan,
Be arranged at described heat exchanger the heat-exchange tube interior and cold-producing medium that circulates and have many articles the 1st paths and many articles the 2nd paths,
Described the 1st path is disposed at upper side respectively, and each the 1st path passes through described wind downside heat exchanger 1 time from described wind upside heat exchanger respectively on different up and down positions,
Described the 2nd via configuration is in the lower side of described the 1st path, each the 2nd path respectively on different up and down positions 2 times by described wind upside heat exchanger, then on different up and down positions 2 times by described wind downside heat exchanger.
2. air conditioner as claimed in claim 1 is characterized in that, described the 1st path in the described heat exchanger and the gateway of described the 2nd path are disposed at a circumferential side's end side.
3. air conditioner as claimed in claim 1 is characterized in that, described compressor is the ability changeable type.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002233769 | 2002-08-09 | ||
| JP2002233769A JP4147386B2 (en) | 2002-08-09 | 2002-08-09 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1495389A CN1495389A (en) | 2004-05-12 |
| CN1263986C true CN1263986C (en) | 2006-07-12 |
Family
ID=32018816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03153047 Expired - Fee Related CN1263986C (en) | 2002-08-09 | 2003-08-07 | Air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4147386B2 (en) |
| CN (1) | CN1263986C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6631608B2 (en) * | 2017-09-25 | 2020-01-15 | ダイキン工業株式会社 | Air conditioner |
| JP6863431B2 (en) * | 2019-10-09 | 2021-04-21 | ダイキン工業株式会社 | Heat exchanger and air conditioner equipped with it |
-
2002
- 2002-08-09 JP JP2002233769A patent/JP4147386B2/en not_active Expired - Fee Related
-
2003
- 2003-08-07 CN CN 03153047 patent/CN1263986C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1495389A (en) | 2004-05-12 |
| JP4147386B2 (en) | 2008-09-10 |
| JP2004076961A (en) | 2004-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 Termination date: 20150807 |
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| EXPY | Termination of patent right or utility model |