CN106051933A - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN106051933A CN106051933A CN201610679738.4A CN201610679738A CN106051933A CN 106051933 A CN106051933 A CN 106051933A CN 201610679738 A CN201610679738 A CN 201610679738A CN 106051933 A CN106051933 A CN 106051933A
- Authority
- CN
- China
- Prior art keywords
- air
- air conditioner
- heat exchanger
- fan blade
- wind deflector
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 claims abstract description 17
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention discloses an air conditioner indoor unit and an air conditioner, belongs to the technical field of air conditioners, and is designed for solving the problems of uneven wind resistance at various positions of fan blades of the existing device. The air-conditioning indoor unit comprises fan blades, a first heat exchanger, a second heat exchanger and a third heat exchanger; the first heat exchanger, the second heat exchanger and the third heat exchanger are sequentially arranged in the air inlet direction of the fan blade to form a box shape with an opening on one side. The air conditioner comprises an outdoor unit and the air conditioner indoor unit, wherein the outdoor unit is communicated with the air conditioner indoor unit. The air conditioner indoor unit, namely the air conditioner, balances the wind resistance at each position of the fan blade, improves the heat exchange efficiency of the air conditioner indoor unit and reduces the energy consumption; realize remote air supply, avoided the air-out directly to blow the user, improved and used the comfort.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of indoor apparatus of air conditioner and include the air-conditioning of this indoor set.
Background technology
Air-conditioning is a kind of electrical equipment for regulating indoor temperature and humidity, mainly includes indoor set and off-premises station.Wherein, indoor set
It is disposed in the interior, is responsible for sending to indoor cold wind and hot blast.
Each heat exchanger of existing indoor set and fan blade, apart from unequal, cause heat exchange uniformity limited, and inlet-duct area is little,
Air intake windage is big, and heat exchanger is uneven with fan blade windage everywhere；Owing to outlet wind-guiding length limited causes air-out in certain distance
Downwards, air supplying distance is near, it is impossible to realize remote air-supply；Heat under state, air-out direction after long time running
Sticking wall flow mode cannot be adjusted to, hot blast long-time blow-through user, cause comfort poor.
Summary of the invention
It is an object of the present invention to propose in a kind of air conditioning chamber that can balance fan blade windage everywhere, raising heat exchange efficiency
Machine.
Further object is that proposition one uses the higher air-conditioning of comfort.
For reaching this purpose, on the one hand, the present invention by the following technical solutions:
A kind of indoor apparatus of air conditioner, including fan blade, First Heat Exchanger, the second heat exchanger and the 3rd heat exchanger；Described first changes
It is box-like that hot device, the second heat exchanger and the 3rd heat exchanger are arranged in order in an opening in the air intake direction of described fan blade.
Particularly, described First Heat Exchanger is δ 1 with the distance of described fan blade, described second heat exchanger and described fan blade
Distance is δ 2, and described 3rd heat exchanger is δ 3 with the distance of described fan blade；δ 1, δ 2 and δ 3 difference between any two are not more than 0.4 δ
Min, wherein, δ min is δ 1, minima in δ 2 and δ 3.
Particularly, in described First Heat Exchanger, the second heat exchanger and/or the side away from described fan blade of the 3rd heat exchanger
Forming air intake region, described air intake region is center angle beta relative to the central point O of described fan blade, and described center angle beta is more than or equal to
100°。
Particularly, the both sides of described fan blade are respectively arranged with air intake occlusion part, two described air intake occlusion parts respectively with institute
Stating the central point O line of fan blade, the angle ω between two described lines is more than 150 °.
Particularly, described indoor apparatus of air conditioner also includes shell, and described shell is provided with wind deflector, and described wind deflector can be located
In vertical air-out position and horizontal air-out position and can rotate between described vertical air-out position and horizontal air-out position；Institute
State the length lambda of wind deflector more than 90mm.
Further, position relative with described wind deflector on the housing is formed with upper training wall, described upper water conservancy diversion
Wall is more than 80mm along the length of air-out direction.
Further, when described wind deflector is in horizontal air-out position, formed between described upper training wall and wind deflector
Air-out passage, the ratio of the wind inlet end area S1 and outlet air end area S2 of described air-out passage is between 0.75 and 1.2.
Particularly, when described wind deflector is in horizontal air-out position, the port of export tangential direction of described wind deflector and water
The angle theta of plane is less than 30 °.
Particularly, when described wind deflector is in vertical air-out position, the port of export tangential direction of described wind deflector is with perpendicular
Angle α between facing directly is less than 45 °.
On the other hand, the present invention is by the following technical solutions:
A kind of air-conditioning, including off-premises station, also includes above-mentioned indoor apparatus of air conditioner, described off-premises station and described indoor apparatus of air conditioner
Connection.
The First Heat Exchanger of indoor apparatus of air conditioner of the present invention, the second heat exchanger and the 3rd heat exchanger depend in the air intake direction of fan blade
Secondary arrangement is the box-like of an opening, and fan blade, generally within the opening part of this box like structure, balances fan blade windage everywhere, carries
The high heat exchange efficiency of indoor apparatus of air conditioner, reduces energy consumption.
Air-conditioning of the present invention includes above-mentioned indoor apparatus of air conditioner, balances heat exchange efficiency, it is achieved that blow at a distance, it is to avoid go out
Wind blow-through user, improves use comfort.
Accompanying drawing explanation
Fig. 1 is that the indoor apparatus of air conditioner that the preferred embodiment of the present invention one provides heats status architecture schematic diagram；
Fig. 2 is the indoor apparatus of air conditioner refrigerating state structural representation that the preferred embodiment of the present invention one provides.
In figure:
1, fan blade；3, air intake region；4, air intake occlusion part；5, shell；6, wind deflector；7, air-out passage；21, the first heat exchange
Device；22, the second heat exchanger；23, the 3rd heat exchanger；51, upper training wall.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Preferred embodiment one:
The open a kind of indoor apparatus of air conditioner of this preferred embodiment.As depicted in figs. 1 and 2, this indoor apparatus of air conditioner include fan blade 1,
First Heat Exchanger the 21, second heat exchanger 22 and the 3rd heat exchanger 23；First Heat Exchanger the 21, second heat exchanger 22 and the 3rd heat exchanger
23 be arranged in order in an opening in the air intake direction of fan blade 1 box-like.
First Heat Exchanger the 21, second heat exchanger 22 and the 3rd heat exchanger 23 can be overall structure can also be split knot
Structure, it is possible to be the box-like of an opening in the air intake direction of fan blade 1, fan blade 1 generally within the opening part of this box like structure,
Balance fan blade 1 windage everywhere, improves the heat exchange efficiency of indoor apparatus of air conditioner, reduces energy consumption.
In order to balance fan blade 1 windage everywhere further, improve the heat exchange efficiency of indoor apparatus of air conditioner, First Heat Exchanger 21 with
The distance of fan blade 1 is δ 1, and the second heat exchanger 22 is δ 2 with the distance of fan blade 1, and the 3rd heat exchanger 23 is δ 3, δ with the distance of fan blade 1
1, δ 2 and δ 3 difference between any two is not more than 0.4 δ min, and wherein, δ min is δ 1, minima in δ 2 and δ 3.
Air intake is formed in the side away from fan blade 1 of First Heat Exchanger the 21, second heat exchanger 22 and/or the 3rd heat exchanger 23
Region 3, air intake region 3 is center angle beta relative to the central point O of fan blade 1, and center angle beta is more than or equal to 100 °, sufficiently large air intake
Area can reduce air intake windage further.
On the basis of said structure, the both sides of fan blade 1 are respectively arranged with air intake occlusion part 4, two air intake occlusion parts 4 points
Not with the central point O line of fan blade 1, the angle ω between two lines is more than 150 °, by increasing the incoming air area of fan blade 1
Improve efficiency and the performance of air-conditioning draught fan.
Indoor apparatus of air conditioner also includes shell 5, and shell 5 is provided with wind deflector 6, and wind deflector 6 can be in vertical air-out position
And horizontal air-out position and rotating between vertical air-out position and horizontal air-out position.In order to reduce air-out loss, realize
Longer wind-guiding distance, the preferred length λ of wind deflector 6 is more than 90mm.
On the basis of said structure, position relative with wind deflector 6 on shell 5 is formed with training wall 51, on
Training wall 51 is more than 80mm along the length of air-out direction.The upper training wall 51 lengthened matches with the wind deflector 6 lengthened, and effectively prolongs
Grow air supplying distance.
As described in Figure 1, when wind deflector 6 is in vertical air-out position, air-conditioning is generally in the state of heating, and treats arrow in figure
Line represent the air-out direction of hot blast.Now the angle α between port of export tangential direction and the vertical plane of wind deflector 6 is less than 45 °,
There is break-in in hot blast after blowing to wind deflector 6, the hot blast after break-in can flow down (the most so-called patch along the wall hanging indoor set
Wall stream), solve existing hot blast and the most directly blow the problems such as user causes user humidity of skin to decline, thermal comfort is poor.
As described in Figure 2, when wind deflector 6 is in horizontal air-out position, air-conditioning is generally in refrigerating state, treats arrow in figure
Line represent the air-out direction of cold wind.Air-out passage 7, the wind inlet end of air-out passage 7 is formed between upper training wall 51 and wind deflector 6
The ratio of area S1 and outlet air end area S2 between 0.75 and 1.2, the port of export tangential direction of wind deflector 6 and the folder of horizontal plane
Angle θ is less than 30 °, is reducing the wind-guiding distance extended while air-out loss.
Preferred embodiment two:
The open a kind of air-conditioning of this preferred embodiment, including the off-premises station being connected and the air-conditioning as described in preferred embodiment one
Indoor set.
This indoor apparatus of air conditioner utilizes the boxlike heat exchanger distributed architecture of big entrance to reduce windage, balances heat exchange efficiency；Profit
Coordinate with the wind deflector of overlength with the upper training wall lengthened, it is achieved that blow at a distance；The wind-guiding when air-conditioning is in and heats state
Plate is in vertical air-out position, it is ensured that goes out wind energy and avoids blow-through user under the blocking of wind deflector, improves when heating state
Use comfort.
Note, above are only presently preferred embodiments of the present invention and the know-why used.Those skilled in the art can manage
Solve, the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art
Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is entered
Go and be described in further detail, but the present invention has been not limited only to above example, without departing from the inventive concept,
Other Equivalent embodiments more can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. an indoor apparatus of air conditioner, it is characterised in that include fan blade (1), First Heat Exchanger (21), the second heat exchanger (22) and
Three heat exchangers (23)；Described First Heat Exchanger (21), the second heat exchanger (22) and the 3rd heat exchanger (23) are at described fan blade (1)
It is box-like that air intake direction is arranged in order in an opening.
Indoor apparatus of air conditioner the most according to claim 1, it is characterised in that described First Heat Exchanger (21) and described fan blade
(1) distance is δ 1, and the distance of described second heat exchanger (22) and described fan blade (1) is δ 2, described 3rd heat exchanger (23) with
The distance of described fan blade (1) is δ 3；δ 1, δ 2 and δ 3 difference between any two are not more than 0.4 δ min, and wherein, δ min is δ 1, δ 2 and
Minima in δ 3.
Indoor apparatus of air conditioner the most according to claim 1, it is characterised in that in described First Heat Exchanger (21), the second heat exchange
The side away from described fan blade (1) of device (22) and/or the 3rd heat exchanger (23) forms air intake region (3), described air intake region
(3) being center angle beta relative to the central point O of described fan blade (1), described center angle beta is more than or equal to 100 °.
Indoor apparatus of air conditioner the most according to claim 1, it is characterised in that the both sides of described fan blade (1) be respectively arranged with into
Wind occlusion part (4), two described air intake occlusion parts (4) respectively with the central point O line of described fan blade (1), two described lines
Between angle ω more than 150 °.
5. according to the indoor apparatus of air conditioner described in any one of Claims 1-4, it is characterised in that described indoor apparatus of air conditioner also includes
Shell (5), described shell (5) is provided with wind deflector (6), and described wind deflector (6) can be in vertical air-out position and level goes out
Wind position and rotating between described vertical air-out position and horizontal air-out position；The length lambda of described wind deflector (6) is more than
90mm。
Indoor apparatus of air conditioner the most according to claim 5, it is characterised in that the upper and described wind deflector (6) at described shell (5)
Relative position is formed with training wall (51), and described upper training wall (51) is more than 80mm along the length of air-out direction.
Indoor apparatus of air conditioner the most according to claim 6, it is characterised in that when described wind deflector (6) is in horizontal air-out position
When putting, between described upper training wall (51) and wind deflector (6), form air-out passage (7), the inlet air end face of described air-out passage (7)
The ratio of long-pending S1 and outlet air end area S2 is between 0.75 and 1.2.
Indoor apparatus of air conditioner the most according to claim 6, it is characterised in that when described wind deflector (6) is in horizontal air-out position
When putting, the port of export tangential direction of described wind deflector (6) and the angle theta of horizontal plane are less than 30 °.
Indoor apparatus of air conditioner the most according to claim 6, it is characterised in that when described wind deflector (6) is in vertical air-out position
When putting, the angle α between port of export tangential direction and the vertical plane of described wind deflector (6) is less than 45 °.
10. an air-conditioning, including off-premises station, it is characterised in that also include the air conditioning chamber as described in any one of claim 1 to 9
Interior machine, described off-premises station connects with described indoor apparatus of air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679738.4A CN106051933B (en) | 2016-08-16 | 2016-08-16 | Air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679738.4A CN106051933B (en) | 2016-08-16 | 2016-08-16 | Air conditioner indoor unit and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051933A true CN106051933A (en) | 2016-10-26 |
| CN106051933B CN106051933B (en) | 2022-09-13 |
Family
ID=57194822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610679738.4A Active CN106051933B (en) | 2016-08-16 | 2016-08-16 | Air conditioner indoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106051933B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388370A (en) * | 2017-07-31 | 2017-11-24 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner and its control method |
| CN107747773A (en) * | 2017-11-24 | 2018-03-02 | Tcl空调器(中山)有限公司 | A kind of air conditioner room unit and its total space air-supply arrangement |
| CN113566281A (en) * | 2021-07-27 | 2021-10-29 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
| CN113739256A (en) * | 2020-05-29 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Evaporator side plate, manufacturing method of evaporator side plate and air conditioner |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378056A (en) * | 2001-03-28 | 2002-11-06 | 三菱重工业株式会社 | Air conditioner and its indoor unit |
| CN101178191A (en) * | 2006-11-06 | 2008-05-14 | 乐金电子(天津)电器有限公司 | Improved wall hanging type indoor machine of air conditioner |
| CN101907374A (en) * | 2010-07-23 | 2010-12-08 | 广东美的电器股份有限公司 | Finned tube type heat exchanger and manufacture method thereof |
| JP2011112315A (en) * | 2009-11-30 | 2011-06-09 | Mitsubishi Electric Corp | Fin tube type heat exchanger and air conditioner using the same |
| JP2014040983A (en) * | 2012-08-23 | 2014-03-06 | Daikin Ind Ltd | Heat exchanger of air conditioning apparatus |
| CN103851692A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103968517A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and volute tongue assembly |
| CN105402821A (en) * | 2015-12-30 | 2016-03-16 | 海信（山东）空调有限公司 | Air conditioner indoor unit |
| CN206073260U (en) * | 2016-08-16 | 2017-04-05 | 珠海格力电器股份有限公司 | air conditioner indoor unit and air conditioner |
-
2016
- 2016-08-16 CN CN201610679738.4A patent/CN106051933B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378056A (en) * | 2001-03-28 | 2002-11-06 | 三菱重工业株式会社 | Air conditioner and its indoor unit |
| CN101178191A (en) * | 2006-11-06 | 2008-05-14 | 乐金电子(天津)电器有限公司 | Improved wall hanging type indoor machine of air conditioner |
| JP2011112315A (en) * | 2009-11-30 | 2011-06-09 | Mitsubishi Electric Corp | Fin tube type heat exchanger and air conditioner using the same |
| CN101907374A (en) * | 2010-07-23 | 2010-12-08 | 广东美的电器股份有限公司 | Finned tube type heat exchanger and manufacture method thereof |
| JP2014040983A (en) * | 2012-08-23 | 2014-03-06 | Daikin Ind Ltd | Heat exchanger of air conditioning apparatus |
| CN103851692A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103968517A (en) * | 2013-02-05 | 2014-08-06 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and volute tongue assembly |
| CN105402821A (en) * | 2015-12-30 | 2016-03-16 | 海信（山东）空调有限公司 | Air conditioner indoor unit |
| CN206073260U (en) * | 2016-08-16 | 2017-04-05 | 珠海格力电器股份有限公司 | air conditioner indoor unit and air conditioner |
Non-Patent Citations (1)
| Title |
|---|
| 邓明义等: "多折热交换器及其局部倒片降低空调室内机气动噪声的研究", 《流体机械》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388370A (en) * | 2017-07-31 | 2017-11-24 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner and its control method |
| CN107388370B (en) * | 2017-07-31 | 2023-11-28 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner and control method thereof |
| CN107747773A (en) * | 2017-11-24 | 2018-03-02 | Tcl空调器(中山)有限公司 | A kind of air conditioner room unit and its total space air-supply arrangement |
| CN107747773B (en) * | 2017-11-24 | 2023-05-26 | Tcl空调器(中山)有限公司 | Indoor unit of air conditioner and full-space air supply device thereof |
| CN113739256A (en) * | 2020-05-29 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Evaporator side plate, manufacturing method of evaporator side plate and air conditioner |
| CN113566281A (en) * | 2021-07-27 | 2021-10-29 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106051933B (en) | 2022-09-13 |
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