CN106051933B - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN106051933B CN106051933B CN201610679738.4A CN201610679738A CN106051933B CN 106051933 B CN106051933 B CN 106051933B CN 201610679738 A CN201610679738 A CN 201610679738A CN 106051933 B CN106051933 B CN 106051933B
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- Prior art keywords
- air
- heat exchanger
- indoor unit
- air conditioner
- fan blade
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Links
- 238000004378 air conditioning Methods 0.000 claims abstract description 7
- 108700041286 delta Proteins 0.000 claims description 9
- NRNCYVBFPDDJNE-UHFFFAOYSA-N pemoline Chemical compound O1C(N)=NC(=O)C1C1=CC=CC=C1 NRNCYVBFPDDJNE-UHFFFAOYSA-N 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—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
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- 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 invention relates to the technical field of air conditioners, in particular to an indoor unit of an air conditioner and the air conditioner comprising the indoor unit.
Background
An air conditioner is an electric appliance for adjusting indoor temperature and humidity, and mainly comprises an indoor unit and an outdoor unit. The indoor unit is arranged indoors and is responsible for supplying cold air and hot air to the indoor.
The distances between each heat exchanger and the fan blade of the existing indoor unit are unequal, so that the heat exchange uniformity is limited, the inlet area is small, the air resistance of inlet air is large, and the air resistance at each position of the heat exchanger and the fan blade is unequal; because the outlet air guide length is limited, the outlet air can obviously flow downwards within a certain distance, the air supply distance is short, and the remote air supply cannot be realized; in a heating state, the air outlet direction cannot be adjusted to a wall-pasting flow mode after long-time operation, and hot air is directly blown to a user for a long time, so that the use comfort is poor.
Disclosure of Invention
The invention aims to provide an air conditioner indoor unit capable of balancing wind resistance at each position of a fan blade and improving heat exchange efficiency.
Another object of the present invention is to provide an air conditioner having a higher comfort in use.
To achieve the purpose, on one hand, the invention adopts the following technical scheme:
an indoor unit of an air conditioner 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 surface.
Particularly, the distance between the first heat exchanger and the fan blade is delta 1, the distance between the second heat exchanger and the fan blade is delta 2, and the distance between the third heat exchanger and the fan blade is delta 3; the difference between δ 1, δ 2 and δ 3 is not more than 0.4 δ min, wherein δ min is the minimum value of δ 1, δ 2 and δ 3.
Particularly, an air inlet area is formed on one side, far away from the fan blade, of the first heat exchanger, the second heat exchanger and/or the third heat exchanger, the air inlet area forms a central angle beta relative to a central point O of the fan blade, and the central angle beta is larger than or equal to 100 degrees.
Particularly, air inlet shielding parts are respectively arranged on two sides of the fan blade, the two air inlet shielding parts are respectively connected with a central point O of the fan blade, and an included angle omega between the two connecting lines is larger than 150 degrees.
Particularly, the air-conditioning indoor unit further comprises a shell, wherein an air deflector is arranged on the shell, can be positioned at a vertical air outlet position and a horizontal air outlet position, and can rotate between the vertical air outlet position and the horizontal air outlet position; the length lambda of the air deflector is larger than 90 mm.
Furthermore, an upper flow guide wall is formed at a position, opposite to the air guide plate, on the shell, and the length of the upper flow guide wall in the air outlet direction is greater than 80 mm.
Furthermore, when the air deflector is in a horizontal air outlet position, an air outlet channel is formed between the upper air deflector and the air deflector, and the ratio of the air inlet end area S1 to the air outlet end area S2 of the air outlet channel is between 0.75 and 1.2.
Particularly, when the air deflector is in a horizontal air outlet position, an included angle theta between the tangential direction of the outlet end of the air deflector and a horizontal plane is smaller than 30 degrees.
Particularly, when the air deflector is in a vertical air outlet position, an included angle alpha between the tangential direction of the outlet end of the air deflector and a vertical surface is smaller than 45 degrees.
On the other hand, the invention adopts the following technical scheme:
an 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 first heat exchanger, the second heat exchanger and the third heat exchanger of the indoor unit of the air conditioner are sequentially arranged in the air inlet direction of the fan blade to form a box shape with an opening on one surface, and the fan blade is basically positioned at the opening of the box-shaped structure, so that the wind resistance at each position of the fan blade is balanced, the heat exchange efficiency of the indoor unit of the air conditioner is improved, and the energy consumption is reduced.
The air conditioner comprises the air conditioner indoor unit, so that the heat exchange efficiency is balanced, the remote air supply is realized, the air outlet direct blowing user is avoided, and the use comfort is improved.
Drawings
Fig. 1 is a schematic structural view of a heating state of an indoor unit of an air conditioner according to a first preferred embodiment of the present invention;
fig. 2 is a schematic view of a cooling state structure of an indoor unit of an air conditioner according to a first preferred embodiment of the present invention.
In the figure:
1. a fan blade; 3. an air intake area; 4. an air inlet blocking part; 5. a housing; 6. an air deflector; 7. an air outlet channel; 21. a first heat exchanger; 22. a second heat exchanger; 23. a third heat exchanger; 51. and an upper flow guide wall.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The first preferred embodiment:
the preferred embodiment discloses an air-conditioning indoor unit. As shown in fig. 1 and 2, the indoor unit of the air conditioner comprises a fan blade 1, a first heat exchanger 21, a second heat exchanger 22 and a third heat exchanger 23; the first heat exchanger 21, the second heat exchanger 22 and the third heat exchanger 23 are arranged in sequence in the air inlet direction of the fan blade 1 to form a box shape with an opening on one side.
The first heat exchanger 21, the second heat exchanger 22 and the third heat exchanger 23 can be of an integral structure or a split structure, and can be in a box shape with one open side in the air inlet direction of the fan blade 1, the fan blade 1 is basically located at the opening of the box-shaped structure, the wind resistance of each position of the fan blade 1 is balanced, the heat exchange efficiency of the indoor unit of the air conditioner is improved, and the energy consumption is reduced.
In order to further balance the wind resistance at each position of the fan blade 1 and improve the heat exchange efficiency of the air-conditioning indoor unit, the distance between the first heat exchanger 21 and the fan blade 1 is delta 1, the distance between the second heat exchanger 22 and the fan blade 1 is delta 2, the distance between the third heat exchanger 23 and the fan blade 1 is delta 3, and the difference value between every two of the delta 1, the delta 2 and the delta 3 is not more than 0.4 delta min, wherein the delta min is the minimum value of the delta 1, the delta 2 and the delta 3.
An air inlet area 3 is formed on one side of the first heat exchanger 21, the second heat exchanger 22 and/or the third heat exchanger 23 far away from the fan blade 1, the air inlet area 3 forms a central angle beta relative to a central point O of the fan blade 1, the central angle beta is larger than or equal to 100 degrees, and the air inlet area with large enough size can further reduce air inlet resistance.
On the basis of the structure, the two sides of the fan blade 1 are respectively provided with the air inlet shielding parts 4, the two air inlet shielding parts 4 are respectively connected with the central point O of the fan blade 1, the included angle omega between the two connecting lines is larger than 150 degrees, and the efficiency and the performance of the air-conditioning fan are improved by increasing the air inlet area of the fan blade 1.
The air-conditioning indoor unit further comprises a shell 5, wherein an air deflector 6 is arranged on the shell 5, and the air deflector 6 can be located at a vertical air outlet position and a horizontal air outlet position and can rotate between the vertical air outlet position and the horizontal air outlet position. In order to reduce the air outlet loss and realize a longer air guiding distance, the preferred length λ of the air deflector 6 is greater than 90 mm.
On the basis of the above structure, an upper guide wall 51 is formed at a position of the casing 5 opposite to the air deflector 6, and the length of the upper guide wall 51 in the air outlet direction is greater than 80 mm. The lengthened upper guide wall 51 is matched with the lengthened air deflector 6, so that the air supply distance is effectively prolonged.
As shown in fig. 1, when the air deflector 6 is in the vertical air-out position, the air conditioner is normally in the heating state, and the line of the waiting arrow in the figure represents the air-out direction of the hot air. At the moment, an included angle alpha between the tangential direction of the outlet end of the air deflector 6 and a vertical surface is smaller than 45 degrees, hot air is turned after being blown to the air deflector 6, and the turned hot air can flow down along the wall of the suspended indoor unit (so-called wall-attached flow), so that the problems that the skin humidity of a user is reduced, the thermal comfort is poor and the like caused by the fact that the existing hot air directly blows the user for a long time are solved.
As shown in fig. 2, when the air deflector 6 is in the horizontal air outlet position, the air conditioner is normally in the cooling state, and the line of the waiting arrow in the figure represents the air outlet direction of the cold air. An air outlet channel 7 is formed between the upper guide wall 51 and the air deflector 6, the ratio of the air inlet end area S1 to the air outlet end area S2 of the air outlet channel 7 is between 0.75 and 1.2, the included angle theta between the tangential direction of the outlet end of the air deflector 6 and the horizontal plane is less than 30 degrees, and the air guide distance is prolonged while the air outlet loss is reduced.
The second preferred embodiment:
the preferred embodiment discloses an air conditioner, which comprises an outdoor unit and an indoor unit of the air conditioner, wherein the outdoor unit is communicated with the indoor unit.
The air conditioner indoor unit reduces wind resistance and balances heat exchange efficiency by utilizing a box type heat exchanger distribution structure with a large inlet; the lengthened upper flow guide wall is matched with the overlong air guide plate, so that long-distance air supply is realized; when the air conditioner is in a heating state, the air guide plate is in a vertical air outlet position, so that the wind energy is prevented from blowing a user directly under the shielding of the air guide plate, and the use comfort is improved in the heating state.
It should be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (5)
1. An air-conditioning indoor unit is characterized by comprising fan blades (1), a first heat exchanger (21), a second heat exchanger (22) and a third heat exchanger (23); the first heat exchanger (21), the second heat exchanger (22) and the third heat exchanger (23) are sequentially arranged in the air inlet direction of the fan blade (1) to form a box shape with an opening on one side, and the fan blade (1) is positioned at the opening of the box-shaped structure;
the distance between the first heat exchanger (21) and the fan blade (1) is delta 1, the distance between the second heat exchanger (22) and the fan blade (1) is delta 2, and the distance between the third heat exchanger (23) and the fan blade (1) is delta 3; differences between every two of the delta 1, the delta 2 and the delta 3 are not more than 0.4 delta min, wherein the delta min is the minimum value of the delta 1, the delta 2 and the delta 3;
an air inlet area (3) is formed on one side, far away from the fan blade (1), of the first heat exchanger (21), the second heat exchanger (22) and/or the third heat exchanger (23), the air inlet area (3) forms a central angle beta relative to a central point O of the fan blade (1), and the central angle beta is larger than or equal to 100 degrees;
the air conditioner indoor unit further comprises an outer shell (5), an air deflector (6) is arranged on the outer shell (5), and the air deflector (6) can be located at a vertical air outlet position and a horizontal air outlet position and can rotate between the vertical air outlet position and the horizontal air outlet position; the length lambda of the air deflector (6) is greater than 90 mm; an upper flow guide wall (51) is formed on the shell (5) at a position opposite to the air deflector (6), and the length of the upper flow guide wall (51) along the air outlet direction is greater than 80 mm; when the air deflector (6) is in a horizontal air outlet position, an air outlet channel (7) is formed between the upper guide wall (51) and the air deflector (6), and the ratio of the air inlet end area S1 to the air outlet end area S2 of the air outlet channel (7) is between 0.75 and 1.2.
2. The indoor unit of air conditioner as claimed in claim 1, wherein the two sides of the fan blade (1) are respectively provided with an air inlet shielding part (4), the two air inlet shielding parts (4) are respectively connected with the central point O of the fan blade (1), and the included angle ω between the two connecting lines is larger than 150 °.
3. The indoor unit of claim 1, wherein when the air deflector (6) is in the horizontal air outlet position, an included angle θ between the tangential direction of the outlet end of the air deflector (6) and the horizontal plane is less than 30 °.
4. An indoor unit of an air conditioner as claimed in claim 1, characterized in that when the air deflector (6) is in the vertical air outlet position, the included angle α between the tangential direction of the outlet end of the air deflector (6) and the vertical plane is less than 45 °.
5. An air conditioner comprising an outdoor unit, characterized by further comprising the indoor unit of an air conditioner according to any one of claims 1 to 4, the outdoor unit being in communication with the indoor unit of an 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 CN106051933A (en) | 2016-10-26 |
| CN106051933B true CN106051933B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610679738.4A Active CN106051933B (en) | 2016-08-16 | 2016-08-16 | Air conditioner indoor unit and air conditioner |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN113566281B (en) * | 2021-07-27 | 2022-08-26 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
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| CN106051933A (en) | 2016-10-26 |
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