CN101726053A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN101726053A CN101726053A CN 200910208055 CN200910208055A CN101726053A CN 101726053 A CN101726053 A CN 101726053A CN 200910208055 CN200910208055 CN 200910208055 CN 200910208055 A CN200910208055 A CN 200910208055A CN 101726053 A CN101726053 A CN 101726053A
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Abstract
The invention provides an indoor unit of air conditioner capable of inhibiting discharged water from dropping and improving reliability. The indoor unit is characterized in that: a pressure fan and a heat exchanger composed of a front heat exchanger part and a rear heat exchanger are included in a housing; the heat exchanger is approximately inverted V shaped and is arranged enclosing the pressure fan; three columns of heat-transfer pipes are disposed on at least one of the upper part of the front heat exchanger part and the rear heat exchanger part along the width direction of the radiating fins, i. e., the heat exchange air flow direction; and a plurality of stages of such heat-transfer pipes are disposed along the length direction of the radiating fins; and the heat-transfer pipe of the first column on the most upstream side is configured as the heat transfer pipe of outlet pipe for heating operation; an isolating part for thermal resistance is disposed on the radiating fins between the heat-transfer pipe of the first and the second column; and the isolating part for thermal resistance is composed of a first straight line part along the stage direction of heat-transfer pipes of the first and second column and a second straight line part arranged by inclination relative to the straight line of the first straight line partfrom the top end of the first straight line part to the wind downstream side.
Description
Technical field
The present invention relates to improve the indoor set of the air conditioner of reliability.
Background technology
In the indoor set of air conditioner, in the housing that constitutes the indoor set body, dispose pressure fan and the heat exchanger that surrounds this pressure fan.
The indoor set body comprises: side-looking is the front face that is bent to form, flat face, lower face, left facial part and the right face gone up.Suction inlet above face is provided with on the indoor set body.Portion is provided with the front suction inlet in front.Lower side along the front suction of front face inlet is provided with ejiction opening.And suction inlet embeds in the above grid, is in open state at ordinary times.
But suction inlet is installed the flat panel of switch in front.This flat panel is made of the plate-shaped member that is bent to form to the lower end from the upper end.In addition, do not form opening at flat panel.
Heat exchanger comprises: the radiating fin of being made up of the multi-disc fin; Many heat-transfer pipes that run through setting at this multi-disc fin.And this heat exchanger comprises: be configured in housing the place ahead front side heat exchanger portion, be configured in the rear side heat exchanger portion at rear, housing top, this front side heat exchange department and rear side heat exchange department are configured to the structure of side-looking for approximate inverted v-shaped.
Heat-transfer pipe is configured to multiple row, multistage, and for example the heat-transfer pipe of the top of front side heat exchanger portion and rear side heat exchanger portion is configured to 3 row along the circulating direction of heat exchange air.
Generally speaking, in having the indoor set main body structure of above-mentioned flat panel, because the outlet side of the heat-transfer pipe during warming operation and the temperature difference minimum of air, therefore many heat-transfer pipes that will constitute outlet are configured in first of the upstream side of wind and are listed as.
In such heat exchanger, known a kind of technology that improves heat exchange performance, fin between the heat-transfer pipe that the downstream of the heat-transfer pipe of this technology by the upstream side row of cutting wind and wind is listed as, the cutting part parallel with the length direction of fin is set, improves heat exchange performance (for example with reference to patent documentation 1) by carrying out heat rejection between the heat-transfer pipe to wind upstream side row and wind downstream row.
Patent documentation 1: Japanese patent laid-open 10-002638 communique
Summary of the invention
Yet there is following problem in above-mentioned technology.That is, in above-mentioned heat exchanger, because can to produce ladder poor because of the cutting fin, the therefore flowing resistance that causes because of this ladder difference can make wind concentrate easily to flow through the top that do not have cutting part, be the boundary portion of front side heat exchanger portion and rear side heat exchanger portion.
The problem that the result exists is: when cooling operation, can generate more sluicing in above-mentioned upper fins portion, this sluicing is dripped, and can influence reliability.
The present invention considers above-mentioned situation, and its purpose is to provide a kind of can suppress dripping of sluicing with the wind speed profile homogenising, improves the indoor set of the air conditioner of reliability.
For achieving the above object, the feature of the indoor set of air conditioner of the present invention is, in housing, comprise pressure fan and the heat exchanger that constitutes by front side heat exchanger portion and rear side heat exchanger portion, this heat exchanger side is considered as inverted v-shaped and surrounds above-mentioned pressure fan and dispose, is that the circulating direction of heat exchange air be provided with three row with heat-transfer pipe along the width of radiating fin at least one of the upper side of above-mentioned front side heat exchanger portion and above-mentioned rear side heat exchanger portion, and the length direction along above-mentioned radiating fin is provided with multistage, and first of the upstream side of wind is listed the heat-transfer pipe of stating the outlet of heat-transfer pipe when constituting warming operation to be configured, on the above-mentioned radiating fin between above-mentioned first row and the secondary series heat-transfer pipe heat rejection cutting part is set, this heat rejection usefulness cutting part is by being listed as and first line part of the level direction of the above-mentioned heat-transfer pipe of secondary series along first, from the upper end side of this first line part with respect to the rectilinear direction of first line part aweather second line part that is obliquely installed of downstream form.
According to the present invention, can be with the wind speed profile homogenising, that suppresses to sluice drips, and improves reliability.
Description of drawings
Fig. 1 is the key diagram of structure of the indoor set of the related air conditioner of expression first embodiment of the present invention.
Fig. 2 A is the side view of the heat exchanger of this indoor set of expression.
Fig. 2 B is the side view of the cutting part of this heat exchanger of expression.
Fig. 2 C is the side view of the cutting part of this heat exchanger of expression.
Fig. 3 A is the side view of expression as the heat exchanger of comparative example of the present invention.
Fig. 3 B is the side view of the related heat exchanger of expression first embodiment of the present invention.
Fig. 4 is the side view of the related heat exchanger of expression second embodiment of the present invention.
The side view of the state when Fig. 5 is the shaping of the related radiating fin of expression the 3rd embodiment of the present invention.
Label declaration
C ... the heat rejection cutting part, C1 ... first line part, C2 ... second line part, A ... radiating fin, 1 ... the indoor set body, 1A ... front panel, 1B ... back body, 1 ... indoor set, 2 ... top suction inlet, 3 ... the front suction inlet, 4 ... ejiction opening, 5 ... grid, 6 ... flat panel, 7,8 ... horizontal blinds grid, 9 ... heat exchanger, 9A ... front side heat exchanger portion, 9B ... rear side heat exchanger portion, 10 ... indoor set 11 ... the electric precipitation machine, 12 ... pressure fan, 13a ... preceding drain pan, 13b ... back drain pan, 4 ... isolated part, 15 ... air supply path.
The specific embodiment
Below, referring to figs. 1 through Fig. 5 first embodiment of the present invention is described.Arrow X, Y, Z represent 3 directions of quadrature respectively among the figure.In addition, for ease of explanation, in each figure, suitably structure carried out amplification, dwindled or omit and represent.
As shown in Figure 1, indoor set 10 comprises the indoor set body 1 that is made of housing, and this housing is made of front panel 1A and back body 1B.Indoor set body 1 comprises: side-looking is the front face that is bent to form, flat upper surface part, lower surface portion, left facial part and right face.
Upper surface part at indoor set body 1 is provided with upper surface suction inlet 2.Portion is provided with front suction inlet 3 in front.Lower side along front suction inlet 3 is provided with ejiction opening 4.Suction inlet 2 embeds grid 5 is arranged in the above, is in open state at ordinary times.
This drive source is electrically connected with control part (control module) S, utilizes the posture of this control part S control plane panel 6.In addition, do not form opening at flat panel 6.
Install at ejiction opening 4 and to be positioned at horizontal blinds grid 7,8 upper-lower position, that extend along directions X mutually.
Be inverted v-shaped and the heat exchanger 9 that forms at the internal configurations front side heat exchanger 9A of portion of indoor set body 1 and the rear side heat exchanger 9B of portion.And heat exchanger 9 surrounds pressure fan 12 and is provided with.
The 9A of front side heat exchanger portion is in the position from the front face of indoor set body 1 to the part of last face, leaves specified gap with front face, roughly in parallel being bent to form and relative configuration with it.
The rear side heat exchanger 9B of portion extends to linearity when side-looking, the place ahead tilts upward, with top suction inlet 2 relative configurations.
This electric precipitation machine 11 is electrically connected with control part S.Electric precipitation machine 11 carries out original control of dust action, and can be used as the ozone generating apparatus action.
At 9A of front side heat exchanger portion and the relative spatial portion that forms the each other configuration pressure fan 12 of the rear side heat exchanger 9B of portion, pressure fan 12 is relative with ejiction opening 4.
The bottom of the 9A of front side heat exchanger portion puts on preceding drain pan 13a, the bottom of the rear side heat exchanger 9B of portion put with the integrally formed back drain pan 13b of back body 1B on.These drain pans 13a, 13b can receive the sluicing of dripping from each 9A of heat exchanger portion, 9B, by not shown scupper hose to externally drained.
Be provided with formation to the protuberance of pressure fan 12 and extend to the isolated part 14 of ejiction opening 4 with the approaching position of preceding drain pan 13a.
Become the part of the air supply path 15 that protuberance is communicated with ejiction opening 4 by this isolated part 14 and the space that back body 1B surrounds.That is,, in indoor set body 1, form the air supply path 15 that room air is guided to ejiction opening 4 from top suction inlet 2 and front suction inlet 3 along with driving pressure fan 12.
At the middle part of air supply path 15 configuration heat exchanger 9 and electric precipitation machine 11, the terminal part of air supply path 15 be ejiction opening 4 near the position not shown vertical blinds grid unit is set.
Fig. 2 A represents first embodiment of heat exchanger 9 used in the present invention.Heat exchanger 9 comprises multi-disc radiating fin A and heat-transfer pipe B and constitutes, multi-disc radiating fin A leaves predetermined distance mutually stacked along the width of directions X and establish and heat exchange air circulation is arranged between mutual gap, heat-transfer pipe B has the heat exchange medium conducting in the inside that is arranged at radiating fin A.
This heat-transfer pipe B inserts to lead to respectively and is being arranged at a plurality of heat-transfer pipe inserting holes of multi-disc radiating fin A.
That is, the heat-transfer pipe B that extends along directions X is applied in the stacked formed heat-transfer pipe inserting hole of multi-disc radiating fin A of directions X and disposes.
In addition, the length direction along radiating fin A is, the configuration of Z direction is multistage.The heat-transfer pipe of outlet when the upstream side configuration of wind heating.
Refrigerant flow path when Fig. 2 A represents the warming operation of heat exchanger 9.Generally speaking, because the outlet side of the heat-transfer pipe B during warming operation and the temperature difference minimum of air, the heat-transfer pipe B that how will constitute outlet is configured in first row of the upstream side (for example Fig. 2 A front face side) of wind, so comes to this in the present embodiment and dispose.
Shown in Fig. 2 A, formation heat rejection cutting part C between the upstream side row (first row) of the wind of heat exchanger 9 and next column (secondary series).
Heat rejection is formed between first row and the secondary series heat-transfer pipe B with cutting part C, and the first line part C1 parallel with the length direction of radiating fin A, these two of the second line part C2 that tiltedly extend to the secondary series inclination from the upper end of this first line part C1 are " ㄑ " font of seamless link.
Promptly, if further describe, then heat rejection constitutes approximate " ㄑ " font with cutting part C on the radiating fin A between first row and the secondary series heat-transfer pipe B, should " ㄑ " font be listed as by first and secondary series heat-transfer pipe B and first line part C1 level direction almost parallel; And with the top of this first line part C1 continuously and crookedly extend, the rectilinear direction of the relative first line part C1 aweather the second line part C2 that tilts of downstream constitute.
Heat rejection forms with cutting part C cutting radiating fin A.Therefore, shown in Fig. 2 B, Fig. 2 C, forming the part of heat rejection, on radiating fin A, producing thickness direction, be that the ladder of stacked direction is poor along radiating fin A with cutting part C.This ladder difference can become resistance to the circulation of air.
The second line part C2 is communicated with the ora terminalis of radiating fin A.In addition, the second line part C2 is in order to intercept heat, and an end is communicated with the first line part C1, when the other end is communicated with the ora terminalis of radiating fin A comparatively desirable (with reference to Fig. 2 A).
Fig. 3 A represents as constitute the heat exchanger 109 of heat rejection with the comparative example of cutting part with straight line.Heat exchanger 109A, the 109B of the front and back that heat exchanger 109 constitutes by inserting logical heat-transfer pipe B at radiating fin A constitute inverted v-shaped.
As mentioned above, according to wind speed profile from the bigger housing of the wind speed of top, when heat rejection is constituted straight line with cutting part C shown in this Fig. 3 A, the heat rejection of the top of front side heat exchanger 109A and rear side heat exchanger 109B increases with the gap between cutting part C, wind passes through as shown by arrows from this gap easily, so wind speed increases.Therefore, the sluicing (shown in the stain) that generates when refrigeration drips to pressure fan 112 easily.
On the other hand, shown in Fig. 3 B, the heat exchanger 9 related according to present embodiment, can be with heat rejection with the shape of cutting part C by being disposed between first row and the secondary series and the first line part C1 parallel and constitute seamless continuous " ㄑ " font with these two of second straight line C2 that the secondary series side constitutes angle with the length direction of radiating fin A, can reduce the gap of the heat rejection of the top of front side heat exchanger 9A and rear side heat exchanger 9B with cutting part C.
Therefore, can make the wind speed profile homogenising as shown by arrows, make flowing evenly of wind, that suppresses to sluice drips.In addition, by heat rejection being used cutting part C seamless link, can fully guarantee heat rejection.
According to the indoor set 10 of the related air conditioner of present embodiment, available effect is as follows.Promptly, by with heat rejection with the shape of cutting part C by with first row and secondary series between the parallel first line part C of length direction configuration, constitute with the secondary series side that these two of the second straight line C2 of angle are seamless to constitute crooked " ㄑ " fonts continuously, the heat rejection on top that can reduce the top of front side heat exchanger 9A and rear side heat exchanger 9B is with the gap between cutting part C.
Therefore, can make the wind speed profile homogenising, suppress to sluice and drip to pressure fan 12.In addition, by heat rejection being used cutting part C seamless link, can fully guarantee heat rejection.
Second embodiment
Below, with reference to Fig. 4 second embodiment of the present invention is described.Arrow X, Y, Z represent 3 directions of quadrature respectively among the figure.In addition, for ease of explanation, in each figure, suitably structure carried out amplification, contracted or omit and represent.In addition, since identical with above-mentioned first embodiment except the inclination angle of setting the second line part C2, the therefore explanation of omitting common part.
In addition, in Fig. 4 and the following description, explanation be the top of the 9A of front side heat exchanger portion, but
The top of the rear side heat exchanger 9B of portion also has same feature.
In the related heat exchanger 9 of present embodiment, when indoor set 10 was installed, the second line part C2 was formed with the angle to the inclination of horizontal direction upside.That is, the second line part C2 from the upper end of the first line part C1 towards with horizontally extending Fig. 4 the line O-O line of the level shown in the single-point line top that constitutes tilt angle theta extend.
By the setting to the angle θ of this inclination, the sluicing shown in the stain can flow to the i.e. first row side of wind upstream side shown in arrow among the figure, and concentrate in the downstream that therefore can prevent to sluice aweather.
Present embodiment also can obtain the effect same with the first above-mentioned embodiment.And, because concentrate in the downstream that can prevent to sluice aweather, cut down flowing resistance, what therefore can prevent to sluice drips, and improves reliability.
The 3rd embodiment
Below, the side view of the state the during shaping of the radiating fin A shown in the reference table diagrammatic sketch 5 illustrates the 3rd embodiment of the present invention.Arrow X, Y, Z represent 3 directions of quadrature respectively among the figure, in addition, for ease of explanation, suitably structure carried out amplification in each figure, have dwindled or omit and represent.
In addition, because except identical with above-mentioned first embodiment heat rejection stays connecting portion with the two ends of cutting part when being shaped, so the explanation of omitting common part.
In the related heat exchanger 9 of present embodiment, when the shaping of radiating fin A, the radiating fin of the radiating fin of the 9A of front side heat exchanger portion and the rear side heat exchanger 9B of portion is integrally formed.Under this state, the heat rejection of the radiating fin of the 9A of front side heat exchanger portion overlaps each other at the width (Y direction) of radiating fin A with the heat rejection of the radiating fin of the end of the second line part C2 of cutting part C, the rear side heat exchanger 9B of the portion end with the second line part C2 of cutting part C, but is not communicated with.
Therefore, form connecting portion (uncut part) at each heat rejection of the radiating fin A of the radiating fin A of the 9A of front side heat exchanger portion and the rear side heat exchanger 9B of portion with the two ends of cutting part C.That is, heat rejection forms with the state of the ora terminalis that do not arrive radiating fin A with cutting part C.
Then, the radiating fin A that is formed with above-mentioned front side heat exchanger 9A of portion and the rear side heat exchanger 9B of portion is stacked, after the heat-transfer pipe inserting hole inserts heat-transfer pipe B, by with above-mentioned two heat rejections with the width cutting of the lap of cutting part C along radiating fin A, heat rejection is communicated with the ora terminalis of each radiating fin A with the end of cutting part C.
Present embodiment also can obtain the effect same with the first above-mentioned embodiment.And,, therefore implement metal pattern easily and be shaped because radiating fin A is separated.
That is,, therefore handle easily, can smooth and easyly carry out assembly manipulation owing to form with the state that cutting part C does not arrive the ora terminalis of radiating fin A with each heat rejection of 9A of front side heat exchanger portion and the rear side heat exchanger 9B of portion.
The invention is not restricted to intact above-mentioned embodiment, the implementation phase in, in the scope that does not break away from its main points, inscape can be out of shape, specialize.
For example, the columns of the heat-transfer pipe of the bottom of the 9A of front side heat exchanger portion also can or also can have only the top of the 9A of front side heat exchanger portion and any one of the rear side heat exchanger 9B of portion to constitute three row for three row.
The second line part C2 is in order to intercept heat, and an end is communicated with the first line part C1, and is comparatively desirable when the other end is communicated with the ora terminalis of radiating fin A, but also can have non-interconnecting part (uncut part) in a part.
In addition, the fin part between heat rejection is not limited to the upper side of front side heat exchanger portion and rear side heat exchanger portion with cutting part first row and the secondary series heat-transfer pipe also can be in other parts settings.
And, can utilize the appropriate combination of the disclosed a plurality of inscapes of above-mentioned embodiment to form various inventions.For example, also can from the whole inscapes shown in the embodiment, delete several inscapes.
Claims (3)
1. the indoor set of an air conditioner comprises pressure fan and the heat exchanger that is made of front side heat exchanger portion and rear side heat exchanger portion in housing, and described heat exchanger side is considered as inverted v-shaped and surrounds described pressure fan and dispose, it is characterized in that,
Is that the circulating direction of heat exchange air be provided with three row with heat-transfer pipe along the width of radiating fin at least one of the upper side of described front side heat exchanger portion and described rear side heat exchanger portion, and the length direction along described radiating fin is provided with multistage, and the heat-transfer pipe of the described heat-transfer pipe of first row of the upstream side of the wind outlet when constituting warming operation is configured
On the described radiating fin between described first row and the secondary series heat-transfer pipe, the heat rejection obstruct section is set, described heat rejection with obstruct section by along first be listed as and first line part of the level direction of the described heat-transfer pipe of secondary series and from the upper end side of described first line part with respect to the rectilinear direction of first line part aweather second line part that is obliquely installed of downstream form.
2. the indoor set of air conditioner as claimed in claim 1 is characterized in that, when the indoor set of described air conditioner was installed, described heat rejection was formed with towards the angle of horizontal direction upside inclination with second line part of cutting part.
3. the indoor set of air conditioner as claimed in claim 1 or 2 is characterized in that, described heat rejection is communicated with a upper end distolateral and described first line part of second line part of cutting part, and the other end is communicated with the ora terminalis of described radiating fin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008270362A JP5371364B2 (en) | 2008-10-20 | 2008-10-20 | Air conditioner indoor unit |
| JP2008-270362 | 2008-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726053A true CN101726053A (en) | 2010-06-09 |
| CN101726053B CN101726053B (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910208055 Active CN101726053B (en) | 2008-10-20 | 2009-10-19 | Indoor unit of air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5371364B2 (en) |
| CN (1) | CN101726053B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500185A (en) * | 2016-12-09 | 2017-03-15 | 美的集团武汉制冷设备有限公司 | Heat exchanger for air-conditioner indoor machine and indoor apparatus of air conditioner |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5447569B2 (en) | 2012-03-26 | 2014-03-19 | ダイキン工業株式会社 | Air conditioner heat exchanger and air conditioner |
| JP6238763B2 (en) * | 2014-01-22 | 2017-11-29 | 三菱電機株式会社 | Air conditioner indoor unit and air conditioner |
| CN113048332B (en) * | 2021-04-06 | 2024-02-09 | 江苏环亚医用科技集团股份有限公司 | Wall-penetrating antifreezing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0126751Y1 (en) * | 1994-08-11 | 1998-11-02 | 윤종용 | Wind direction control device |
| JP3344218B2 (en) * | 1996-06-17 | 2002-11-11 | 株式会社日立製作所 | Heat exchanger |
| KR100197709B1 (en) * | 1996-10-31 | 1999-06-15 | 윤종용 | Heat exchanger for air conditioner |
| JP3762068B2 (en) * | 1997-10-24 | 2006-03-29 | 東芝キヤリア株式会社 | Heat exchanger and air conditioner |
| JP2001174047A (en) * | 1999-12-17 | 2001-06-29 | Matsushita Electric Ind Co Ltd | Indoor unit of air conditioner |
| JP2004085139A (en) * | 2002-08-28 | 2004-03-18 | Toshiba Kyaria Kk | Indoor unit for air conditioner |
| KR100504479B1 (en) * | 2002-11-09 | 2005-08-01 | 엘지전자 주식회사 | Indoor unit for air conditioner |
| JP4511143B2 (en) * | 2003-09-05 | 2010-07-28 | パナソニック株式会社 | Finned heat exchanger and manufacturing method thereof |
| JP4286120B2 (en) * | 2003-12-18 | 2009-06-24 | 東芝キヤリア株式会社 | Air conditioner indoor unit |
-
2008
- 2008-10-20 JP JP2008270362A patent/JP5371364B2/en active Active
-
2009
- 2009-10-19 CN CN 200910208055 patent/CN101726053B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500185A (en) * | 2016-12-09 | 2017-03-15 | 美的集团武汉制冷设备有限公司 | Heat exchanger for air-conditioner indoor machine and indoor apparatus of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101726053B (en) | 2012-12-05 |
| JP5371364B2 (en) | 2013-12-18 |
| JP2010096480A (en) | 2010-04-30 |
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