CN107328070B - Aviation baffle, air conditioner and air conditioner - Google Patents
Aviation baffle, air conditioner and air conditioner Download PDFInfo
- Publication number
- CN107328070B CN107328070B CN201710530432.7A CN201710530432A CN107328070B CN 107328070 B CN107328070 B CN 107328070B CN 201710530432 A CN201710530432 A CN 201710530432A CN 107328070 B CN107328070 B CN 107328070B
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- air
- right direction
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- wind
- deflector
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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
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
the invention discloses an air deflector, an air conditioner indoor unit and an air conditioner, wherein the air deflector is provided with a windward side, an air outlet side and an upward air guide surface and comprises a first air guide part and a second air guide part, and the first air guide part extends along the left-right direction; the second air guiding part is connected with one end of the first air guiding part in the left-right direction, and the windward side of the second air guiding part is back to the air guiding surface of the first air guiding part and is turned downwards. According to the technical scheme, the air outlet resistance is reduced under the same noise, and the air outlet quantity is increased.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air deflector, an air conditioner indoor unit and an air conditioner.
background
Today, air conditioners have become one of the essential household appliances for a large part of people. Along with the improvement of the life quality of people, people put higher requirements on the performance of the air conditioner. Wherein, people pay attention to the energy efficiency of the air conditioner to a great extent, and two important parameter indexes of the energy efficiency are air volume and noise. The air volume is large enough to meet the requirement of high energy efficiency ratio of refrigeration and heating, but the noise is increased while the air volume is large, so that the hearing comfort degree of a user is reduced.
In the prior art, in order to improve the air quantity as much as possible under the same noise, technicians generally make improvements on a volute and a volute tongue of an indoor unit of an air conditioner. However, because the current researchers have thoroughly studied the through-flow air duct, and conventional components such as the volute and the volute tongue are simply changed, the breakthrough is difficult to be realized in the aspect of improving the air volume.
Disclosure of Invention
The invention mainly aims to provide an air deflector, aiming at improving the air output of an indoor unit of an air conditioner.
in order to achieve the above object, the present invention provides an air deflector installed in an air conditioner indoor unit, the air deflector having a windward side, an air outlet side, and an upward air guiding surface, the air deflector comprising:
The first air guiding part extends along the left-right direction;
And the windward side of the second air guiding part is back to the air guiding surface of the first air guiding part and is turned downwards.
Preferably, the air outlet side of the second air guiding part is tilted upwards.
Preferably, the maximum torsion angle of the second wind guide part is greater than or equal to 5 ° and less than or equal to 30 °.
Preferably, the length of the first wind guide part in the left-right direction is L1, and the length of the second wind guide part in the left-right direction is L2, wherein L2/L1 ∈ [0.1, 0.4 ].
Preferably, the windward side of the second air guiding part is provided with a side edge extending in the left-right direction, and the percentage of the torsion angle corresponding to the free point of the side edge in the maximum torsion angle of the second air guiding part is y;
The distance between the free point and the free end of the second air guide part in the left-right direction accounts for x in the length of the second air guide part in the left-right direction;
Wherein y gradually decreases with increasing x.
Preferably, y ═ x + 1.
Preferably, y is decreasing in a curve with increasing x.
Preferably, y ═ xc1+1, or y ═ xc2+1
Among them, c1 ∈ (1, + ∞), c2 ∈ (0, 1).
Preferably, y ═ x2+1 or y ═ x0.5+ 1.
Preferably, y is 0.5cos (x · pi) + 0.5.
Preferably, the second air guiding part is arranged at the left end of the first air guiding part.
The invention also provides an air-conditioning indoor unit, which comprises an indoor unit main body and an air deflector, wherein the air deflector is provided with a windward side, an air outlet side and an upward air guide surface, and comprises:
The first air guiding part extends along the left-right direction;
The second air guiding part is connected with one end of the first air guiding part in the left-right direction, and the windward side of the second air guiding part is back to the air guiding surface of the first air guiding part and is turned downwards;
an air outlet is formed in the indoor unit main body, and the air deflector is installed at the air outlet.
The invention also provides an air conditioner, which comprises an air conditioner indoor unit, wherein the air conditioner indoor unit comprises an indoor unit main body and an air deflector, the air deflector is provided with a windward side, an air outlet side and an upward air guide surface, and the air deflector comprises:
The first air guiding part extends along the left-right direction;
the second air guiding part is connected with one end of the first air guiding part in the left-right direction, and the windward side of the second air guiding part is back to the air guiding surface of the first air guiding part and is turned downwards;
An air outlet is formed in the indoor unit main body, and the air deflector is installed at the air outlet.
according to the technical scheme, the air guide plate is divided into the first air guide part and the second air guide part in the left-right direction, and the second air guide part is back to the first air guide part and is twisted downwards, so that the second air guide part has a certain angle twisting range; in the air guiding process of the air guide plate, due to the existence of the angle torsion range, the air guide plate can be kept in a certain rotation range, and at least part of the windward side of the second air guiding part can be kept flush with the initial direction of the air flow at any time, so that the air outlet resistance is reduced, and the air outlet quantity is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an air deflector according to an embodiment of the present invention;
FIG. 2 is a schematic view of the wind deflector of FIG. 1 from another perspective;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a left side view of the air deflection plate of FIG. 1;
FIG. 5 is a graph of the various functions of Table 1;
FIG. 6 is a graph comparing noise-air volume of the original air deflector with that of the air deflector of the present invention.
The reference numbers illustrate:
| Reference numerals | name (R) | reference numerals | Name (R) |
| 10 | Air deflector | 10a | A first air guiding part |
| 10b | the second air guiding part | 10c | Convex lug |
| 10d | axle boss | 11 | Windward side |
| 12 | Air outlet side | 13 | Wind guide surface |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
fig. 1 to 5 show a preferred embodiment and a modified embodiment of the wind deflector of the present invention, with multiple improvements in these embodiments; in the detailed description, each modification thereof is described as an embodiment, and technical features between the following embodiments can be freely combined without structural interference and conflict. Where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.
The invention provides an air deflector which is arranged at an air outlet of an indoor unit of an air conditioner; in addition, the invention also provides an air conditioner indoor unit provided with the air deflector and an air conditioner comprising the air conditioner indoor unit. It should be noted that the indoor unit of the air conditioner may be an on-hook unit or a cabinet unit.
In the embodiment of the present invention, as shown in fig. 1 to 3, the wind deflector 10 has a windward side 11 and a wind-out side 12, and an upward wind guiding surface 13. The air deflector 10 comprises a first air guiding part 10a and a second air guiding part 10b, wherein the first air guiding part 10a extends in the left-right direction; the second air guiding part 10b is connected to one end of the first air guiding part 10a in the left-right direction, and the windward side 11 of the second air guiding part 10b is turned downwards back to the first air guiding part 10 a.
The air deflector 10 is installed at an air outlet of an indoor unit of an air conditioner, the air deflector 10 has two opposite plate surfaces, one of the plate surfaces is approximately arranged in an arc shape, and the air deflector 10 mainly guides air by the plate surface, that is, the plate surface is an air guide surface 13 (for convenience, the air guide surface 13 is upward, the back surface of the air guide surface 13 is downward, and the length direction of the air deflector 10 is left-right). And, install lug 10c on this wind-guiding face 13, be provided with the boss 10d on the lug 10c, the motor that is located air outlet one side is connected with this boss 10d through the connecting rod to can drive aviation baffle 10 in the air outlet upset wind-guiding. In addition, when the air deflector 10 guides air at the air outlet, one side part which contacts airflow (airflow blown out by the cross-flow wind wheel) firstly is the windward side 11, and the other side part opposite to the side part is the air outlet side 12; the airflow passes through the windward side 11 and is blown out from the air-out side 12 through the air guide surface 13.
The second air guiding portion 10b is connected to the first air guiding portion 10a, and the second air guiding portion 10b starts to twist from the connection position with the first air guiding portion 10a so that the windward side 11 inclines away from the first air guiding portion 10 a.
in an air duct of an indoor unit of an air conditioner, the direction of airflow blown out by a cross-flow wind wheel is certain, and for the first air guiding part 10a, only when the windward side 11 of the first air guiding part 10a rotates to be approximately flush with the initial direction of the airflow in the overturning process of the air deflector 10a, the air guiding direction of the first air guiding part 10a is consistent with the initial direction of the airflow, the wind resistance at the moment is minimum, and the air output is maximum.
The second air guiding portion 10b is twisted, so that the twisting angle thereof gradually increases as the distance between the second air guiding portion 10b and the first air guiding portion 10a increases. Therefore, when the wind deflector 10 is turned over, although the direction of the airflow may not always be flush with the first wind-guiding portion 10a, since the second wind-guiding portion 10b has a certain twisted angle, when the windward side 11 of the first wind-guiding portion 10a is turned downward from the position flush with the initial direction of the airflow, the first wind-guiding portion 10a is not already flush with the initial direction of the airflow. However, the windward side 11 of the second air guiding portion 10b may be always substantially flush with the initial direction of the airflow within the range of the twist angle α. Thereby reducing the wind resistance and further improving the air output.
According to the technical scheme, the air guide plate 10 is divided into the first air guide part 10a and the second air guide part 10b in the left-right direction, and the second air guide part 10b is turned downwards back to the first air guide part 10a, so that the second air guide part 10b has a certain angle turning range; in the air guiding process of the air guide plate 10, due to the existence of the angle torsion range, the air guide plate 10 can be kept in a certain rotation range, and the windward side 11 of the second air guiding part 10b can be kept flush with the initial direction of the air flow at all times, so that the air outlet resistance is reduced under the same noise, and the air outlet quantity is increased.
Referring to fig. 2, in the above embodiment, the windward side 11 of the second wind guiding portion 10b is twisted downward, and the wind-out side 12 of the second wind guiding portion 10b may be twisted upward along with the windward side 11 of the second wind guiding portion, or may be flush with the first wind guiding portion 10 a.
here, if the air outlet side 12 of the second air guiding portion 10b is flush with the first air guiding portion 10a, on the one hand, the air outlet side 12 of the second air guiding portion 10b is subjected to a large stress, and is prone to cracking after being impacted; on the other hand, the natural shaping of the air deflector 10 is not facilitated.
moreover, the air outlet side 12 of the second air guiding portion 10b is tilted upward to increase the overall air outlet angle of the air guiding plate 10, so that a user can stand at the same indoor position and can continuously feel air flow for a long time.
Finally, the air outlet side 12 of the second air guiding portion 10b is tilted upward, and the air flow is more inclined to be blown flatly (or blown upward) relative to the first air guiding portion 10a, so that the air flow blown out by the second air guiding portion 10b can be blown to the upper space in the room, the direct blowing feeling of cold air can be reduced, meanwhile, the cold air can slowly descend under the action of gravity, the sky screen refrigeration can be realized, and the comfort effect is better.
Referring to fig. 3 and 4, in the above embodiment, the maximum torsion angle of the second air guiding portion 10b cannot be too small, otherwise, the effect of increasing the air volume is not good. Of course, the maximum torsion angle of the second wind guiding portion 10b cannot be too large, otherwise, the overall structure of the wind guiding plate 10 is affected (for example, the consistency of the whole wind guiding plate 10 in the left-right direction is too poor, the wind outlet needs to leave enough space for the wind guiding plate 10, otherwise, the wind guiding plate may interfere with other components during the turning process).
In the present embodiment, the maximum twist angle of the second wind guide portion 10b is greater than or equal to 5 ° and less than or equal to 30 ° (e.g., 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, etc.). That is, the twist angle of the windward side 11 of the second wind guiding portion 10b at the extreme ends in the left-right direction is at most 30 ° and at most 5 °.
Referring to fig. 1 and 2, since the main function of the air deflector 10 is to change the air outlet direction of the air flow, if the second air guiding portion 10b occupies a large area of the air deflector 10, the effect of changing the air flow direction is not good. Therefore, in the present embodiment, in order to ensure the wind guiding effect of the wind guiding plate 10, the length of the first wind guiding portion 10a in the left-right direction is L1, and the length of the second wind guiding portion 10b in the left-right direction is L2, where L2/L1 ∈ [0.1, 0.4 ]. Such as: L2/L1 is 0.2, 0.3, etc
Referring to fig. 4, the windward side 11 of the second wind-guiding portion 10b has a side extending in the left-right direction, the free end of the side is defined as point P (the maximum torsion angle of point P), and the connection point between the side and the first wind-guiding portion 10a is defined as point Q (the minimum torsion angle of point Q). And a moving point K is arranged on the side edge, the torsion angle corresponding to the point K is gradually reduced in the process that the point K is moved from the point P to the point Q, and finally, the torsion angle corresponding to the point K is reduced to 0 when the point K is moved to the point Q. The percentage of the torsion angle corresponding to the point K to the torsion angle corresponding to the point P is y (for example, the torsion angle corresponding to the point P is 30 °, and the torsion angle corresponding to the point K is 15 °, and at this time, y is 50%).
Defining the distance between the point K and the point P in the left-right direction, and taking the percentage of the distance between the point P and the point Q in the left-right direction as x (for example, the distance between the point K and the point P in the left-right direction is 5cm, the distance between the point P and the point Q in the left-right direction is 10cm, and x takes 50%), wherein y gradually decreases with the increase of x. y may be linearly related to x, i.e., y decreases linearly with increasing x. Of course, y may also be related to x in a curve such as sine or cosine, i.e., y decreases in a curve as x increases.
Referring to table 1 and fig. 5, the relationship between y and x in the above embodiment may be, for a straight-line correlation: y is-x +1, so, the angle twisting tendency of the second air guiding portion 10b is neither too steep nor too flat, because under the condition that the length of the second air guiding portion 10b in the left-right direction is fixed, the too steep will cause the whole air guiding plate 10 to occupy a larger rotating space, and the too flat will not have a good air volume increasing effect.
The relationship of y to x may also be y-xc 1+1(c1 at e (1, + ∞)) for this case, e.g., y-x 2+1, with increasing x decreasing y by a smaller amount initially and later relative to the straight line. That is, the angular twist of the second air deflection plate 10 is first smooth and then steeper. Therefore, the second air guiding portion 10b is better connected with the first air guiding portion 10a, and the stress at the connection position of the first air guiding portion 10a and the second air guiding portion 10b is smaller, so that the damage is not easy to occur.
The relationship of y to x may also be y ═ -xc2+1(c2 at ∈ (0, 1)), e.g., y ═ -x0.5+1, for which case the magnitude of the decrease in y is initially greater and later smaller relative to the straight line as x increases. Thus, the second air guiding portion 10b has better windward effect and larger air volume.
in the process of rotating the air deflector 10, for the case that y is gradually decreased along with the increase of x, the second air guiding part 10b can have a longer part which is always approximately flush with the initial direction of the air flow. Thereby, the effect of improving the air quantity is obvious.
Referring also to fig. 6, in another preferred embodiment, the relationship between y and x may be y ═ 0.5cos (x · pi) + 0.5. Thus, the curve combines the beneficial effects of y-xc 1+1 and y-xc 2+1, as described above. That is, the second wind-guiding portion 10b not only inherits the effect of smooth engagement with the first wind-guiding portion 10a and small resistance, but also inherits the effect of excellent windward effect. Moreover, the advantage that the longer part of the second air guiding part 10b can be approximately flush with the initial direction of the air flow at any time when y is gradually decreased along with the increase of x in a curve manner is inherited, so that the air output is comprehensively and greatly improved.
TABLE 1 mapping of y-value to x-value for each function
in the conventional air conditioner indoor unit, the left side of the air outlet corresponds to the left end cover, and the motor is installed on the right side, so that when the cross-flow wind wheel blows air, the right side air output quantity of the air outlet is small. In view of this, in the present embodiment, the second air guiding portion 10b is disposed at the left end of the first air guiding portion 10 a.
When the cross-flow wind wheel is out of wind, the airflow is influenced by the resistance of the inner wall of the left end cover, and the air output is relatively small. The second air guiding part 10b is arranged at the left end of the air guiding plate 10, so that the second air guiding part 10b can flow along the airflow direction of the left end cover side, and the airflow flowing resistance of the left end cover side is reduced. Because the resistance brought by the second air guiding part 10b is small, the air flow can be directly guided out by the second air guiding part 10b under the condition of less energy loss, and the air quantity is further improved.
the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
1. The utility model provides an aviation baffle, installs in air conditioner, the aviation baffle has windward side and air-out side to and ascending wind-guiding face, its characterized in that, the aviation baffle includes:
the first air guiding part extends along the left-right direction;
The second air guiding part is connected with one end of the first air guiding part in the left-right direction, and the windward side of the second air guiding part is back to the air guiding surface of the first air guiding part and is turned downwards;
The windward side of the second air guiding part is provided with a side edge extending in the left-right direction, and the percentage of the torsion angle corresponding to the free point of the side edge in the maximum torsion angle of the second air guiding part is y;
The distance between the free point and the free end of the second air guide part in the left-right direction accounts for x in the length of the second air guide part in the left-right direction;
wherein y gradually decreases with increasing x.
2. The air deflector of claim 1, wherein the air-out side of the second air-guiding portion is tilted upward.
3. The air deflector of claim 1, wherein the maximum twist angle of the second air-guiding portion is greater than or equal to 5 ° and less than or equal to 30 °.
4. The air guide plate of claim 1, wherein the first air guide part has a length in the left-right direction of L1, and the second air guide part has a length in the left-right direction of L2, wherein L2/L1 ∈ [0.1, 0.4 ].
5. The air deflection of claim 1, wherein y is-x + 1.
6. The air deflection of claim 1, wherein y decreases in a curve with increasing x.
7. the air deflection of claim 6, wherein y-xc 1+1 or y-xc 2+1
Among them, c1 ∈ (1, + ∞), c2 ∈ (0, 1).
8. The air deflection of claim 7, wherein y is-x 2+1 or y is-x 0.5+ 1.
9. The air deflection of claim 6, wherein y is 0.5cos (x · pi) + 0.5.
10. The wind deflector of any one of claims 1-9, wherein the second wind-guiding portion is disposed at a left end of the first wind-guiding portion.
11. An indoor unit of an air conditioner, comprising an indoor unit main body and the air deflector as claimed in any one of claims 1 to 10, wherein the indoor unit main body is provided with an air outlet, and the air deflector is mounted at the air outlet.
12. An air conditioner characterized by comprising the air conditioner indoor unit according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530432.7A CN107328070B (en) | 2017-06-29 | 2017-06-29 | Aviation baffle, air conditioner and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530432.7A CN107328070B (en) | 2017-06-29 | 2017-06-29 | Aviation baffle, air conditioner and air conditioner |
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| Publication Number | Publication Date |
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| CN107328070A CN107328070A (en) | 2017-11-07 |
| CN107328070B true CN107328070B (en) | 2019-12-06 |
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| CN209672463U (en) * | 2019-03-11 | 2019-11-22 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
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| JP2001215043A (en) * | 2000-02-03 | 2001-08-10 | Daikin Ind Ltd | Air conditioner |
| CN101639278A (en) * | 2008-07-29 | 2010-02-03 | 乐金电子(天津)电器有限公司 | Air outlet flow deflector structure of cabinet air conditioner indoor unit |
| JP2010203770A (en) * | 2010-05-18 | 2010-09-16 | Sharp Corp | Air conditioner |
| CN105757947A (en) * | 2014-12-19 | 2016-07-13 | 珠海格力电器股份有限公司 | Air conditioner and air guide plate thereof |
| CN105757945A (en) * | 2014-12-17 | 2016-07-13 | 珠海格力电器股份有限公司 | Air deflector of air conditioner as well as shaping method and device for air deflector |
-
2017
- 2017-06-29 CN CN201710530432.7A patent/CN107328070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001215043A (en) * | 2000-02-03 | 2001-08-10 | Daikin Ind Ltd | Air conditioner |
| CN101639278A (en) * | 2008-07-29 | 2010-02-03 | 乐金电子(天津)电器有限公司 | Air outlet flow deflector structure of cabinet air conditioner indoor unit |
| JP2010203770A (en) * | 2010-05-18 | 2010-09-16 | Sharp Corp | Air conditioner |
| CN105757945A (en) * | 2014-12-17 | 2016-07-13 | 珠海格力电器股份有限公司 | Air deflector of air conditioner as well as shaping method and device for air deflector |
| CN105757947A (en) * | 2014-12-19 | 2016-07-13 | 珠海格力电器股份有限公司 | Air conditioner and air guide plate thereof |
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| CN107328070A (en) | 2017-11-07 |
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