CN1178029C - Indoor unit of air conditioner and air conditioner therewith - Google Patents
Indoor unit of air conditioner and air conditioner therewith Download PDFInfo
- Publication number
- CN1178029C CN1178029C CNB021077606A CN02107760A CN1178029C CN 1178029 C CN1178029 C CN 1178029C CN B021077606 A CNB021077606 A CN B021077606A CN 02107760 A CN02107760 A CN 02107760A CN 1178029 C CN1178029 C CN 1178029C
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- Prior art keywords
- air
- fan
- heat exchanger
- peak
- indoor unit
- 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
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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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
- F24F1/0025—Cross-flow or tangential 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
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
Abstract
An interior unit for air conditioners, and an air conditioner itself, for preventing the ventilation performance from being degraded and for reducing noise caused by the interference between the air flow and the fan are disclosed. The interior unit comprises a fan (8) having vanes (8a) which are circularly arranged to have a cylinder shape, wherein intermediate plates (8b) for reinforcing the cylinder are inserted at cross sections along the axis of the cylinder; an interior heat exchanger (7) which surrounds the fan except for an outlet area through which the air is drawn out from the fan; and a stabilizer (30), placed between the interior heat exchanger and the fan, for receiving draining liquid produced by the interior heat exchanger. The air which passes through the interior heat exchanger is then drawn into the fan according to the rotation of the fan, and the drawn air is discharged through the outlet area outside the interior unit. The end of the stabilizer, which is closest to the fan, has a peak-valley form consisting of peak portions and valley portions which are alternatingly arranged. The pitch of the peak portions is substantially equal to the pitch of the intermediate plates, and the pitch of the vanes is substantially equal to the pitch between each peak portion and each valley portion.
Description
Invention field
The present invention relates to a kind of indoor unit that is used for air-conditioner, this air-conditioner is realized comfortable indoor environment by heating or cool room, in particular, the present invention relates to those and is used to reduce noise and the indoor unit that can not reduce performance of ventilating.
Prior art
Fig. 5 is a longitudinal sectional view, has represented to be used for an example of the indoor unit of conventional air conditioner.Indoor unit shown in Figure 5 has a box body (hereinafter referred to as " housing 3 "), constitutes this box body on the pedestal 1 by header board 2 is appended to.The front surface of header board 2 has air inlet 4, and the top surface of header board 2 also has air inlet 5 and 6.
The controller 9 that is used to adjust cold or hot-air direction is installed in gas outlet 2a.
(i) as the air inlet ledge 1a of the extension of air guide housing 1A with (ii) be attached to the air inlet side that voltage-stablizer 1b on the pedestal 1 is set at cross flow fan 8, and these two all by with this pedestal 1 whole processing.This voltage-stablizer 1b is also as the condensed water leader, generate the condensate liquid of (being condensed water herein) in being contained in the heat exchanger 7, this voltage-stablizer 1b is the plate shape that parallels with the external peripheral surface of cross flow fan 8 usually, has specific spacing at this voltage-stablizer 1b with in the face of between the external peripheral surface of this voltage-stablizer 1b.
When cross flow fan 8 when the direction shown in the arrow " a " is rotated, the 7a of first of heat exchanger 7 was to third part 7c near the air this cross flow fan 8 were inhaled into by air inlet 4 (processing is at the front surface of header board 2) and air inlet 5 and 6 (processing the top surface at header board 2).
The air that is inhaled into then the 7a of this first to the third part 7c by heat exchange, thereby obtain cold or hot-air K.Driven cross flow fan 8 make this cold or hot-air K from above-mentioned air inlet side towards Fig. 5 the direction of long arrow indication pass cross flow fan 8 and flow.This air is blown out from gas outlet 2a then.In addition, by using direction of air controller 9 can control the direction of the cold or hot-air K that blows out.
Place, a locus in plate shape voltage-stablizer 1b is placed between the 7a of first of heat exchanger 7 and the cross flow fan 8, purpose is in order to hold above-mentioned condensate liquid.Therefore, voltage-stablizer 1b has partly hindered the cold or hot-air K that blows out from the 7a of first; So, be necessary to make to be inhaled into the cold of cross flow fan 8 or hot-air K walks around voltage-stablizer 1b.Correspondingly, just increased flow velocity cold or hot-air K relevant portion.
Therefore, the flow velocity that is inhaled into the cold or hot-air K in the cross flow fan 8 as mentioned above is not uniform.In the zone with high flow rate, cold or thermal air current K disturbs the blade of cross flow fan 8, thereby generates the narrow-band noise that is called as " NZ noise ".The NZ noise is the noise that its frequency f is defined as NZ/60Hz, and wherein N refers to the rotating speed (rpm) of cross flow fan 8, and Z refers to the number of blade of cross flow fan 8.
In the conventional method that is used for addressing this problem, the blade of cross flow fan 8 is arranged that by this way promptly blade pitgh is uneven.Yet, in this case, be lowered at part performance of ventilating with big spacing, also be lowered having closely spaced part performance of ventilating simultaneously, this is because under the identical flow velocity of cold or hot-air K, has closely spaced part and compares with the part with big spacing and have bigger air flow losses.
Summary of the invention
Consider above-mentioned situation, an object of the present invention is to provide a kind of indoor unit and a kind of air-conditioner that is used for air-conditioner, this air-conditioner itself is the noise that is used to prevent that performance of ventilating is lowered and is used to reduce caused by the friction between air stream and the fan.
Therefore, the invention provides the indoor unit that is used for air-conditioner, this indoor unit comprises:
Fan, this fan has several blades, and these blades, wherein, are used for strengthening this cylindrical intermediate plate and are inserted in the cross section part along cylindrical axis to have cylinder form by circumferential arrangement;
Interior heat exchanger, except air passes through wherein by from a zone of fan sucking-off, heat exchanger surrounds this fan in this;
In being placed on, voltage-stablizer, this voltage-stablizer between heat exchanger and the fan, be used to receive the condensate liquid that interior heat exchanger produces,
The air of heat exchanger is inhaled in the fan then according to the rotation of fan in flowing through, and this air that is inhaled into is discharged from by the exhaust gas region in this indoor unit outside,
It is characterized in that:
The voltage-stablizer end of close fan has peak-paddy shape, and this peak-paddy shape partly is made of the peak part and the paddy of alternately arranging;
The spacing of peak part equals the spacing of intermediate plate substantially; With
The spacing of blade equals the spacing between each peak part and each paddy part substantially.
According to this structure, the peak of voltage-stablizer-paddy shape can and partly flow to along paddy between the air stream of fan at the air stream that flows to fan along the peak part and produce phase difference, thereby the flow velocity that prevents to be inhaled into the air in the fan partly increases.Therefore, might reduce by the caused noise of interference between air stream that comprises high flow velocities and the fan.
In addition, the spacing of peak part equals the spacing of intermediate plate substantially.Therefore, with another kind wherein the spacing of peak part compare less than the shape of the spacing of intermediate plate, the number that hinders air stream directly to arrive the peak part of fan can be reduced to optimal number.Therefore, can reduce the resistance that is added on the air stream that flows to fan, thereby prevent that performance of ventilating is lowered.
In addition, the spacing of blade equals the spacing between each peak part and each paddy part substantially.Therefore, voltage-stablizer can have and is suitable for most by the employed peak of fan-paddy shape.Correspondingly, also might and realize reliably simultaneously blowing out the air of q.s and reducing noise.
The peak part is preferably by this way respectively in the face of intermediate plate, be each peak part the peak position along cylindrical axis direction all respectively with its on to be inserted with the position of respective intermediate plate consistent, each paddy part is all respectively in the face of the zone between per two adjacent intermediate plates simultaneously.When seeing the air stream that is inhaled into from this fan along the axis of fan, the air capacity in each intermediate plate near zone is compared with other zone away from intermediate plate and has been reduced.Yet in said structure, each peak part is all respectively in the face of each intermediate plate; Therefore, have zone between per two intermediate plates of high drafting efficiency and performance all respectively in the face of each paddy part, thereby increased the air flowing amount.That is to say, with other wherein each peak part all compare in the face of the shape in the zone between per two adjacent intermediate plates respectively, can improve performance of ventilating.
For the spacing t2 between the spacing t1 of blade and each peak part and each paddy part, these spacings preferably satisfy condition " 0.9≤t2/t1≤1.1 ".According to this condition, can realize above-mentioned functions and effect reliably.
The present invention also provides a kind of air-conditioner, this air-conditioner comprises aforesaid indoor unit, wherein, this air-conditioner also comprises outdoor unit, this outdoor unit comprises external heat exchanger, compressor and various electric wiring element, and wherein this compressor is used for the gaseous state condensing agent of HTHP is sent to heat exchanger in the indoor unit.
Therefore, might prevent that performance of ventilating is lowered, and might reduce by the caused noise of interference between air stream and the fan.
To brief description of drawings
Fig. 1 is a perspective view, has represented indoor unit and the air-conditioner that uses this unit in according to one embodiment of present invention.
Fig. 2 has represented that this cross flow fan in the indoor unit of embodiment and the position between voltage-stablizer seen with the sight line of vertical cross flow fan axle concern.
Fig. 3 is the cutaway view of a part of vertical cross flow fan axle, has represented the overall structure of the unusual part of cross flow fan.
Fig. 4 is a chart, has represented noise level and performance of ventilating for the variation that concerns between fan peak-paddy shape and fan blade pitch, and wherein trunnion axis is represented gap ratio t2/t1, and the vertical axis that is positioned at the chart right side is represented noise level, and the vertical axis in left side is represented air capacity.
Fig. 5 is a longitudinal sectional view, has represented to be used for an example of the indoor unit of conventional air conditioner.
Detailed description of the preferred embodiment
To be elaborated to air-conditioner with reference to the accompanying drawings hereinafter as indoor unit according to an embodiment of the invention and this indoor unit of use.Yet the present invention is confined to this embodiment, and in scope of the present invention and thought, variations and modifications are possible.
At first referring to Fig. 1, the overall structure of air-conditioner will be described hereinafter.Fig. 1 is a perspective view, has represented indoor unit and the air-conditioner that uses this unit in according to one embodiment of present invention.
Air-conditioner shown in Fig. 1 is made of indoor unit 10 and outdoor unit 20, and wherein these two unit are interconnected by two condensing agent passages 21, have condensing agent to flow through in this condensing agent passage 21, and has electric wiring (not shown) etc. to pass through.Condensing agent flows to outdoor unit 20 from the passage that indoor unit 10 passes two condensing agent passages 21, and on the contrary, condensing agent flows to indoor unit 10 from another passage that outdoor unit 20 passes two condensing agent passages 21.
The basic structure of indoor unit 10 is identical with the basic structure of above-mentioned traditional indoor unit (see figure 5).The specific characteristic of indoor unit 10 hereinafter will be described, but because other structural detail of indoor unit 10 is identical with other structural detail of traditional indoor unit, so save its declaratives.
The gaseous state condensing agent that compressor 20f will have low temperature and low pressure converts the gaseous state condensing agent with high temperature and high pressure to, and discharges the gaseous state condensing agent of HTHP.Therefore, compressor 20f is one of most important component in the condensing agent loop, this compressor 20f condensing agent between indoor unit 10 and the outdoor unit 20 that is mounted for circulating.Except compressor 20f, the condensing agent loop also comprises interior heat exchanger 7, external heat exchanger 20b, condensing agent passage 21, expansion valve (not shown), is used for the mobile cross valve (not shown) of direct condensed agent etc.
Below, will each heating and cooling operator scheme of air-conditioner with said structure be described.
In the heating operation pattern, the HTHP condensing agent of exporting from compressor 20f flows through in the interior heat exchanger 7 that condensing agent passage 21 is sent to indoor unit 10.In indoor unit 10, air is sucked and receives from the heat in the process HTHP condensing agent of interior heat exchanger 7 by cross flow fan 8 through header board 2.Correspondingly, Hot air quilt blows out from gas outlet 2a.Equally, the HTHP condensing agent is compressed in interior heat exchanger 7, thereby produces the liquid condensation agent of HTHP.
Then, the liquid condensation agent of this HTHP is flow through again among the external heat exchanger 20b that condensing agent passage 21 is sent to outdoor unit 20.In external heat exchanger 20b, the liquid condensation agent of the HTHP expansion valve (not shown) of flowing through, thus the pressure of this condensing agent is reduced and produces the liquid condensation agent of low-temp low-pressure.Correspondingly, the liquid condensation agent of flowing through the low-temp low-pressure of external heat exchanger 20b receives from by the heat in the fresh air among the propeller fan 20c suction body 20a, thereby the liquid condensation agent of this low-temp low-pressure is evaporated and is converted into the gaseous state condensing agent of low-temp low-pressure.The gaseous state condensing agent of this low-temp low-pressure is transferred into compressor 20f again then, repeats aforesaid operations then.
In the cooling down operation pattern, condensing agent also flows in the condensing agent loop, but along opposite direction.That is to say that the gaseous state condensing agent of the HTHP that is produced by compressor 20f flows through condensing agent passage 21 and is sent among the external heat exchanger 20b.Outdoor air receives from the heat in this HTHP gaseous state condensing agent, and this condensing agent is compressed and converts to the liquid condensation agent of HTHP simultaneously.Thereby the condensing agent that the expansion valve (not shown) is converted into low-temp low-pressure is flow through in the liquid condensation agent of this HTHP.Then the condensing agent of this low-temp low-pressure flow through again condensing agent passage 21 be sent in the heat exchanger 7.Low-temp low-pressure liquid condensation agent that this is converted receive from inner air (for example, room air) thus in heat cooled interior air.Correspondingly, condensing agent itself is evaporated and converts to the gaseous state condensing agent of low-temp low-pressure.This gaseous state condensing agent is transferred into compressor 20f again then, repeats aforesaid operations then.
Control these operations by indoor unit controller 15 in the indoor unit 10 and the outdoor unit controller 20g in the above-mentioned outdoor unit 20, these two controllers are fitted to each other and operate.
To describe the voltage-stablizer that it act as condensing agent guiding and relevant portion referring to Fig. 2 to 4 below.These parts are specific characteristics of the present invention.In the explanation hereinafter, reference number 30 expressions voltage-stablizer 30 of the present invention, this voltage-stablizer 30 is different from above-mentioned traditional voltage-stablizer 1b.
Fig. 2 has represented to concern with this cross flow fan 8 in the indoor unit 10 of present embodiment of being seen of sight line (visual angle) of the axle of vertical cross flow fan 8 position with 30 of voltage-stablizers.Fig. 3 is the cutaway view of a part of the axle of vertical cross flow fan 8, has represented the overall structure of the unusual part of cross flow fan 8.
Shown in Fig. 2 and 3, cross flow fan 8 (corresponding to fan of the present invention) has cylindrical structural, wherein several blades of circumferential arrangement (or paddle) 8a.Several intermediate plates 8b is inserted in this " cylinder " at several sections perpendicular to cylinder axis, and wherein these intermediate plates 8b is mounted for strengthening the cylinder that is made of blade 8a.Cross flow fan 8 can rotate around its axis by the drive motors (not shown).Following these points are similar to above-mentioned conventional example: (i) pass through wherein by from a zone of cross flow fan 8 sucking-offs except air, interior heat exchanger 7 is disposed in around the cross flow fan 8, (ii) voltage-stablizer 30 is placed between the 7a of first and cross flow fan 8 of interior heat exchanger 7, thereby this voltage-stablizer 30 receives the condensate liquid that the 7a of first produce.
(similar to the voltage-stablizer 1b shown in Fig. 5) given prominence in the opposite direction to the stream cold or hot-air in being inhaled into cross flow fan 8 by voltage-stablizer 30 courts.In the present embodiment, the head of this voltage-stablizer 30 has the phase difference generating portion, and this phase difference generating portion has peak-paddy shape (it has the height t 2 shown in Fig. 2) and is used for producing phase difference in the air that is inhaled into cross flow fan 8.In order to strengthen effectively along the circulation area of cross flow fan 8 length directions, the spacing of peak-paddy shape peak part equals the spacing P2 of the intermediate plate 8b of cross flow fan 8.
Say that more specifically as shown in Figure 2, this phase difference generating portion has peak-paddy shape, this peak-paddy shape constitutes (the huge odontoid that just has sloping portion) by the peak part 31 and the paddy part 32 of alternately arranging.In this peak-paddy shape, the spacing P1 of peak part equals the spacing P2 (being P1=P2) of intermediate plate 8b, simultaneously the consistent (see figure 2) in position that all is placed with each intermediate plate 8b respectively along cylindrical axis direction of the peak position of each peak part 31.Therefore, each paddy part 32 is all respectively in the face of the zone between per two adjacent intermediate plate 8b.
In addition, the spacing t2 between each peak part 31 and each the paddy part 32 (promptly vertical poor) equals the spacing t1 (see figure 3) of cross flow fan 8 blade 8a substantially.Particularly, spacing t1 and t2 satisfy condition (0.9≤t2/t1≤1.1).
To describe this gap ratio t2/t1. Fig. 4 in detail referring to Fig. 4 below is chart, represented that noise level and performance of ventilating are for the variation that concerns between the peak-paddy shape of cross flow fan 8 and cross flow fan 8 blade pitghs, wherein trunnion axis is represented gap ratio t2/t1, the vertical axis that is positioned at the chart right side is represented noise level, and the vertical axis in left side is represented (being blown) air capacity.
As shown in Figure 4, when gap ratio t2/t1 was increased to 1.0 gradually, noise level was fallen gradually.Surpass after 1.0 at gap ratio t2/t1, noise level substantially no longer changes (being that noise level is minimum).Suppose that the noise that allow to increase with respect to the lowest noise level is 3dB, then gap ratio t2/t1 preferably is equal to or greater than about 0.9 (promptly 0.9≤t2/t1).
On the contrary, for (blown) air capacity relevant with fan duty, as shown in Figure 4, until increase gap ratio t2/t1 near 1.0, air capacity almost is constant.Surpass after 1.0 at gap ratio t2/t1, air capacity reduces basically.The constant air amount of supposing to arrive 1.0 gap ratios be 100% and air capacity be 3% from 100% admissible recruitment, then gap ratio t2/t1 preferably is equal to or less than about 1.1 (being t2/t1≤1.1).
Correspondingly, in order to obtain essential air capacity and to reduce noise level simultaneously, gap ratio t2/t1 preferably satisfy condition (0.9≤t2/t1≤1.1).
As mentioned above, the indoor unit 10 of present embodiment has the voltage-stablizer 30 that its end has peak-paddy shape, and wherein this peak-paddy shape is made of the peak part 31 and the paddy part 32 of alternately arranging.The spacing P1 of peak part 31 equals the spacing P2 of intermediate plate 8b substantially, and the spacing t1 of cross flow fan 8 blade 8a equals the spacing t2 between each peak part 31 and each the paddy part 32 substantially simultaneously.
According to this structure, the peak of voltage-stablizer 30-paddy shape (having height t 2) can produce phase difference (corresponding 0 to t2 the height of 0 to 360 degree) in flow to the air stream of cross flow fan 8 along each sloping portion.Therefore, can suppress the pressure wave intensity that produces owing to air stream and friction between the cross flow fan 8 blade 8a, thus the reduction noise.
Equally also according to said structure, the spacing P1 of voltage-stablizer 30 peak parts equals the spacing P2 of cross flow fan 8 intermediate plate 8b (being P1=P2) substantially.Therefore, be attracted to the intermediate plate 8b of the motion effects that is not subjected to cross flow fan 8 blade 8a along peak part air flowing stream, wherein the effect of this peak part is the big resistance barrier of air stream.On the contrary, be inhaled in each zone between two adjacent intermediate plate 8b along paddy part air flowing stream, promptly be attracted to the core of each blade 8a, wherein the effect of this paddy part is the slight drag barrier of air stream.According to these functions, performance of ventilating can be enhanced.
Equally also according to this structure, with another kind wherein the spacing of peak part compare less than the shape of the spacing of intermediate plate 8b, the number that hinders air stream directly to arrive the peak part 31 of cross flow fan 8 can be reduced to optimal number.Therefore, can reduce the resistance that is added on the air stream that flows to cross flow fan 8, thereby prevent that performance of ventilating is lowered.
In addition, the spacing t1 of blade 8a equals the spacing t2 between each peak part 31 and each the paddy part 32 substantially.Therefore, voltage-stablizer 30 can have and is suitable for most by cross flow fan 8 employed peak-paddy shapes.Correspondingly, also might realize equally blowing out the air of q.s and reducing noise.
As mentioned above, the indoor unit 10 according to present embodiment might prevent to reduce performance of ventilating, and might reduce the noise that caused by the friction between air stream and the cross flow fan 8.
In addition, in the indoor unit 10 of present embodiment, relative with the position of intermediate plate 8b consistent (being that the peak part is respectively in the face of intermediate plate) fastened in the peak position of peak part 31 in the pass, so each paddy part 32 is all respectively in the face of the zone between per two adjacent intermediate plate 8b.In this indoor unit 10, for the spacing t1 and the spacing t2 between each peak part 31 and each the paddy part 32 of cross flow fan 8 blade 8a, " 0.9≤t2/t1≤1.1 satisfy condition equally.
When seeing the air stream that is inhaled into from this cross flow fan 8 along the axis of cross flow fan 8, the air capacity near the zone each intermediate plate 8b is compared with other zone away from intermediate plate and has been reduced.Yet in said structure, each peak part 31 is all respectively in the face of each intermediate plate 8b; Therefore, have zone between per two intermediate plate 8b of high drafting efficiency and performance all respectively in the face of each paddy part 32, thereby increased the air flowing amount.That is to say, with other wherein each peak part 31 all compare in the face of the shape in the zone between per two adjacent intermediate plate 8b respectively, can improve performance of ventilating.
Claims (4)
1. the indoor unit of air-conditioner, this indoor unit comprises:
Fan (8), this fan (8) has several blades (8a), and these blades (8a), are used for strengthening this cylindrical intermediate plate (8b) and are inserted in the cross section part along cylindrical axis to have cylinder form by circumferential arrangement;
Interior heat exchanger (7), except air passes through wherein by from a zone of fan sucking-off, heat exchanger (7) surrounds this fan in this;
In being placed on, voltage-stablizer (30), this voltage-stablizer (30) between heat exchanger and the fan, be used to receive the condensate liquid that interior heat exchanger produces,
The air of heat exchanger is inhaled in the fan then according to the rotation of fan in flowing through, and this air that is inhaled into is discharged from by the exhaust gas region in this indoor unit outside,
It is characterized in that:
The voltage-stablizer end of close fan has peak-paddy shape, and this peak-paddy shape partly is made of the peak part and the paddy of alternately arranging;
The spacing of peak part equals the spacing of intermediate plate substantially; With
The spacing of blade equals the spacing between each peak part and each paddy part substantially.
2. indoor unit as claimed in claim 1, it is characterized in that, the peak part is by this way respectively in the face of intermediate plate, be each peak part the peak position along cylindrical axis direction all respectively with its on to be inserted with the position of respective intermediate plate consistent, each paddy part is all respectively in the face of the zone between per two adjacent intermediate plates simultaneously.
3. indoor unit as claimed in claim 1 or 2 is characterized in that, for the spacing t2 between the spacing t1 of blade and each peak part and each paddy part, and these spacings satisfy condition " 0.9≤t2/t1≤1.1 ".
4. air-conditioner, it is characterized in that, this air-conditioner comprises as the described indoor unit of one of claim 1 to 3, wherein, this air-conditioner also comprises outdoor unit, this outdoor unit comprises external heat exchanger, compressor and various electric wiring element, and wherein this compressor is used for the gaseous state condensing agent of HTHP is sent to heat exchanger in the indoor unit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001088366 | 2001-03-26 | ||
| JP088366/2001 | 2001-03-26 | ||
| JP023894/2002 | 2002-01-31 | ||
| JP2002023894A JP3593106B2 (en) | 2001-03-26 | 2002-01-31 | Indoor units and air conditioners |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1376879A CN1376879A (en) | 2002-10-30 |
| CN1178029C true CN1178029C (en) | 2004-12-01 |
Family
ID=26612090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021077606A Expired - Fee Related CN1178029C (en) | 2001-03-26 | 2002-03-21 | Indoor unit of air conditioner and air conditioner therewith |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1245907B1 (en) |
| JP (1) | JP3593106B2 (en) |
| CN (1) | CN1178029C (en) |
| AT (1) | ATE330185T1 (en) |
| DE (1) | DE60212234D1 (en) |
| ES (1) | ES2265459T3 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101392092B1 (en) | 2007-10-22 | 2014-05-12 | 엘지전자 주식회사 | A ceiling-mounted type air conditioner |
| KR101392088B1 (en) | 2007-10-22 | 2014-05-12 | 엘지전자 주식회사 | A ceiling-mounted type air conditioner |
| JP5950810B2 (en) * | 2012-12-13 | 2016-07-13 | 三菱電機株式会社 | Air conditioner indoor unit |
| JP6554665B2 (en) * | 2015-12-09 | 2019-08-07 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
| US10895388B2 (en) * | 2016-02-03 | 2021-01-19 | Mitsubishi Electric Corporation | Indoor unit air-conditioning apparatus |
| KR20180044165A (en) * | 2016-10-21 | 2018-05-02 | 삼성전자주식회사 | Air conditioner |
| CN106556129A (en) * | 2016-12-02 | 2017-04-05 | 珠海格力电器股份有限公司 | Air-conditioning dispensing device for water and air-conditioning equipment |
| JP2020204430A (en) * | 2019-06-17 | 2020-12-24 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
| CN110671747A (en) * | 2019-11-04 | 2020-01-10 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner with same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3034702A (en) * | 1957-11-21 | 1962-05-15 | Westerasmaskiner Ab | Fan having a great axial length and comprising an air inlet at both ends |
| GB1066053A (en) * | 1963-04-22 | 1967-04-19 | Hoover Ltd | Improvements relating to cross-flow machines for inducing flow of fluids |
| SU1657754A1 (en) * | 1989-06-05 | 1991-06-23 | Университет дружбы народов им.Патриса Лумумбы | Fan |
| KR930006876B1 (en) * | 1989-06-23 | 1993-07-24 | 가부시끼 가이샤 히다찌세이사꾸쇼 | Air conditioner employing cross-flow fan |
| US5868551A (en) * | 1997-05-02 | 1999-02-09 | American Standard Inc. | Tangential fan cutoff |
| KR19990080984A (en) * | 1998-04-24 | 1999-11-15 | 윤종용 | Crossflow fan blower with improved stabilizer |
-
2002
- 2002-01-31 JP JP2002023894A patent/JP3593106B2/en not_active Expired - Fee Related
- 2002-02-25 AT AT02004111T patent/ATE330185T1/en not_active IP Right Cessation
- 2002-02-25 ES ES02004111T patent/ES2265459T3/en not_active Expired - Lifetime
- 2002-02-25 EP EP02004111A patent/EP1245907B1/en not_active Expired - Lifetime
- 2002-02-25 DE DE60212234T patent/DE60212234D1/en not_active Expired - Lifetime
- 2002-03-21 CN CNB021077606A patent/CN1178029C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2265459T3 (en) | 2007-02-16 |
| EP1245907B1 (en) | 2006-06-14 |
| DE60212234D1 (en) | 2006-07-27 |
| JP3593106B2 (en) | 2004-11-24 |
| EP1245907A2 (en) | 2002-10-02 |
| JP2002357331A (en) | 2002-12-13 |
| ATE330185T1 (en) | 2006-07-15 |
| CN1376879A (en) | 2002-10-30 |
| EP1245907A3 (en) | 2004-04-07 |
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Effective date of registration: 20170927 Address after: Tokyo, Japan Patentee after: MITSUBISHI heavy industry refrigeration air conditioning system Co Ltd Address before: Tokyo, Japan Patentee before: Mit-subishi Heavy Industries Ltd. |
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