CN107559958B - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN107559958B CN107559958B CN201710744893.4A CN201710744893A CN107559958B CN 107559958 B CN107559958 B CN 107559958B CN 201710744893 A CN201710744893 A CN 201710744893A CN 107559958 B CN107559958 B CN 107559958B
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- 238000004378 air conditioning Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
The invention provides an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises an evaporator (2), a cross-flow fan blade (3) and an air duct (5), the air duct (5) is provided with an air duct air outlet (51), the length of the cross-flow fan blade (3) is L1, the length of the air outlet (51) is L2, the length of the evaporator (2) is L3, the evaporator is provided with L1/L2=0.97-1.09, and the evaporator is provided with L1/L3=0.87-1.01. The invention can prevent the noise generated by folding back and the vortex phenomenon caused by the air flow generated by gaps, prevent the noise generated by vortex, prevent the noise generated by turbulence, and prevent the noise generated by air flow disturbance, thereby reducing the air outlet noise and the air flow noise of the air conditioner indoor unit to the greatest extent and improving the running performance of the air conditioner indoor unit and even the air conditioner.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit and an air conditioner.
Background
The existing air conditioner indoor unit mainly focuses on technical improvement and innovation in the aspects of refrigeration and heating performance, but neglects the effects of air quantity, noise and the like of an air conditioner, so that the noise is large, the sound quality of the air conditioner is poor and the comfort of the indoor environment is affected in the running process of the air conditioner indoor unit.
Because the air conditioner indoor unit in the prior art has the technical problems of high noise and the like in the operation process, the invention designs the air conditioner indoor unit and the air conditioner.
Disclosure of Invention
Therefore, the invention aims to overcome the defect of larger noise in the running process of the air conditioner indoor unit in the prior art, thereby providing the air conditioner indoor unit and the air conditioner.
The invention provides an air conditioner indoor unit which comprises an evaporator, cross-flow fan blades and an air duct, wherein the air duct is provided with an air duct air outlet, the length of the cross-flow fan blades is L1, the length of the air outlet is L2, the length of the evaporator is L3, the evaporator is provided with L1/L2=0.97-1.09, and the evaporator is provided with L1/L3=0.87-1.01.
Preferably, the length L2 of the air outlet and the length L1 of the through-flow fan blade further satisfy the following relation: l1—l2=15 to 25mm.
Preferably, the length L3 of the evaporator and the length L1 of the through-flow fan blade also satisfy the relationship: l3—l1=40 to 50mm.
Preferably, the length L1 of the cross-flow fan blade has a value range of 900-950mm.
Preferably, a part of the air duct is arranged at a position between the evaporator and the cross-flow fan blade.
Preferably, the air outlet of the air duct comprises an upper guide wall and a lower guide wall;
on the cross section of the cross-flow fan blade: the cross-flow fan blade is provided with a fan blade center, the inner upper edge of the upper guide wall is defined as a first end, the inner lower edge of the lower guide wall is defined as a second end, and the inner lower edge of the lower guide wall is the position on the lower guide wall, which is the shortest away from the upper guide wall;
the fan blade center is connected with the first end to form a first connecting line, the fan blade center is connected with the second end to form a second connecting line, and a first included angle a is formed between the first connecting line and the second connecting line in a clamping way;
defining the minimum interval between the wind channel and the center of the fan blade as an intersection point, connecting the center of the fan blade with the intersection point to form a third connecting line, connecting the first end with the second end to form a fourth connecting line, sandwiching a second included angle b between the third connecting line and the fourth connecting line,
and the first included angle a and the second included angle b meet the following relation: a/b=0.35 to 0.58.
Preferably, the first included angle a and the second included angle b also satisfy the relationship: b-a=25.1° to 45.1 °.
Preferably, the value range of the first included angle a is: 24.4-34.4 degrees; and/or, the value range of the second included angle b is as follows: 59.5-69.5 deg..
The invention also provides an air conditioner: which comprises the air conditioner indoor unit.
The air conditioner indoor unit and the air conditioner provided by the invention have the following beneficial effects:
according to the air conditioner indoor unit and the air conditioner, the length L1 of the cross-flow fan blade and the length L2 of the air outlet are set to satisfy the following relation: l1/l2=0.97 to 1.09, and the fan blade length L1 and the evaporator length L3 are set so as to satisfy the relationship: the length L1/l3=0.87-1.01, the size between the length L1 of the fan blade and the length L2 of the air outlet is basically equal, but there is a floating error range, so that the length L1 of the fan blade is not longer than the length L3 of the air outlet, and the air sent by the fan blade cannot be directly sent out from the air outlet and blown onto the inner wall of the air duct to generate back turning and further generate noise, the length L1 of the fan blade is not shorter than the length L2 of the air outlet, and a gap is generated between the length L1 of the fan blade and the air outlet, so that the air flow is generated in a vortex phenomenon and noise, the size between the length L1 of the fan blade and the length L3 of the evaporator is basically equal, but there is also a floating error range, so that the length L1 of the fan blade is not longer than the length L3 of the air outlet, and the air sent by the evaporator is not longer than the length L2 of the air outlet, and the air flow after passing through the evaporator cannot be sucked by the fan blade and further, and the air flow cannot be accumulated, so that the noise is generated, and the air flow is generated, and the noise is generated, and the air flow is effectively reduced, and the noise is effectively and the indoor air conditioner is improved, and the indoor air conditioner is running noise.
Drawings
Fig. 1 is a schematic three-dimensional perspective view of an indoor unit of an air conditioner according to the present invention;
fig. 2 is a schematic front view of a cross-flow fan blade of an indoor unit of an air conditioner according to the present invention;
FIG. 3 is a schematic diagram showing the front structure of an air duct outlet of an indoor unit of an air conditioner according to the present invention;
fig. 4 is a schematic front view of an evaporator of an indoor unit of an air conditioner according to the present invention;
fig. 5 is a schematic view showing an internal cross-sectional structure of an indoor unit of an air conditioner according to the present invention;
FIG. 6 is a schematic view of the internal structure of FIG. 5 with a first angle a and a second angle b;
the reference numerals in the drawings are as follows:
1. an air inlet panel; 2. an evaporator; 3. through-flow fan blades; 31. the center of the fan blade; 4. a volute tongue; 5. an air duct; 51. an air outlet of the air duct; 52. an upper guide wall; 53. a lower guide wall; 54. a first end; 55. a second end; 56. and (5) intersection points.
Detailed Description
As shown in fig. 1-6, the invention provides an indoor unit of an air conditioner, which comprises an evaporator 2, a through-flow fan blade 3 and an air duct 5, wherein the air duct 5 is provided with an air duct air outlet 51, the length of the through-flow fan blade 3 is L1, the length of the air duct air outlet 51 is L2, and the length of the evaporator 2 is L3, and as shown in the figure, the lengths of the three are all along the length direction of the indoor unit of the air conditioner, and the lengths are L1/l2=0.97-1.09, and the lengths are L1/l3=0.87-1.01.
Through setting up to satisfy the relation between through-flow fan blade length L1 and the air outlet length L2: l1/l2=0.97 to 1.09, and the cross-flow fan blade length L1 and the evaporator length L3 are set so as to satisfy the relationship: the length L1/l3=0.87-1.01, the size between the length L1 of the through-flow fan blade and the length L2 of the air outlet is basically equal, but there is a floating error range, so that the length L1 of the through-flow fan blade avoids the noise caused by vortex generated when the air sent by the air outlet is too much and cannot be directly sent out from the air outlet and blown onto the inner wall of the air duct, and also avoids the noise generated by accumulation generated by the fact that the air flow after passing through the air outlet cannot be sucked by the air blade and is too much and cannot be generated by vortex generated by the air flow, which is caused by the fact that the length L1 of the air outlet is shorter than the length L2 of the air outlet, and the size between the length L1 of the through-flow fan blade and the length L2 of the air outlet is basically equal, but also has a floating error range, so that the length L1 of the air flow is prevented from being too much and is generated by vortex generated when the air sent out from the evaporator and is sent to the air blade, and the noise is also prevented from being generated by the air flow after being sent out by the air outlet is not much and is not sucked by the air flow, and thus noise is generated by the air flow disturbance, and thus the noise is generated, and the indoor air conditioner can effectively reduce the running noise of the indoor air conditioner and the indoor air conditioner.
Preferably, the relationship between the length L2 of the air outlet and the length L1 of the through-flow fan blade is also satisfied: l1—l2=15 to 25mm. The air conditioner indoor unit is characterized in that the air outlet length L2 and the fan blade length L1 are in a further preferable relation mode, the air outlet length L2 is set to be 15-25 mm shorter than the fan blade length L1, so that the air outlet length L2 is especially prevented from being longer than the fan blade length L1, namely, the situation that a gap between the fan blade and the air outlet is generated in the length direction and noise is generated due to the fact that the air outlet length L2 is longer than the fan blade length L1 can be preferably prevented, and the situation that the gap is not generated can be effectively guaranteed and noise generated due to the fact that the gap is prevented to the greatest extent by setting the air outlet length L2 to be shorter than the fan blade length L1.
Preferably, the relationship between the evaporator length L3 and the fan blade length L1 is also satisfied: l3—l1=40 to 50mm. This is a further preferred relation between the evaporator length L3 and the blade length L1 of the indoor unit of the air conditioner according to the present invention, and by setting the evaporator length L3 to be 40 to 50mm longer than the blade length L1, it is possible to avoid, in particular, a structural form in which the evaporator length L3 is shorter than the blade length L1, that is, it is preferable to prevent noise from being generated by a vortex generated when air sent from the evaporator to the blade due to the fact that the evaporator length L3 is shorter than the blade length L1, and to effectively ensure that the vortex is not generated by the fact that the evaporator length L3 is longer than the blade length L1 by the small distance described above, thereby maximally avoiding noise generated by the above-described situation. According to the above relationship, the relationship L3-l2=95 to 125mm between the outlet length L2 and the evaporator length L3 can be obtained.
Preferably, the value range of the length L1 of the fan blade is 900-950mm. The preferable value range of the length L1 of the fan blade of the indoor unit of the air conditioner can generate enough air quantity of cold air to blow into a room or enough air quantity of hot air to blow into the room, so that the indoor refrigerating or heating requirement is met, the length is not too long, the conditions that the cabinet is easy to topple over and the cabinet is propped against an indoor ceiling and the like or the conditions that other indoor components are placed and the like are avoided, and the normal, effective and reliable operation of the indoor cabinet is ensured.
Preferably, the air outlet length L2 is the minimum distance between the air outlet portions of the air duct 5 in the length direction of the indoor unit. The air outlet length of the indoor unit of the air conditioner is further preferably structured, and the air outlet length is selected and set to be the minimum distance between the air outlet parts of the air channels in the length direction of the cabinet, so that noise generated by vortex, collision and the like can be reduced under the condition of ensuring the air outlet quantity to the greatest extent, and the operation reliability of the cabinet air conditioner is further improved.
As shown in fig. 5 and 6, preferably, a part of the structure of the air duct 5 is disposed between the evaporator 2 and the fan blade 4. Through the limitation of the air duct structure, the path planning can be carried out on the air flow after heat exchange in the evaporator, namely, the air is blown out of the air duct along the direction of the air duct under the power action of the fan blades, and the guiding action of the air flow and the effect of blowing the air into a room are completed.
Preferably, the air duct outlet 51 includes an upper guide wall 52 and a lower guide wall 53;
on the cross section of the cross-flow fan blade 3: the through-flow fan 3 has a fan center 31, and defines a first end 54 at an inner upper edge of the upper guide wall 52, a second end 55 at an inner lower edge of the lower guide wall 53, and a shortest position of the lower guide wall 53 from the upper guide wall 52 at the inner lower edge of the lower guide wall 53;
the fan blade center 31 is connected with the first end 54 to form a first connection line, the fan blade center 31 is connected with the second end 55 to form a second connection line, and a first included angle a is formed between the first connection line and the second connection line;
defining the point of the air duct, which is the smallest distance from the fan blade center 31, as an intersection point 56, wherein a third connecting line is formed by connecting the fan blade center 31 with the intersection point, a fourth connecting line is formed by connecting the first end 54 with the second end 55, a second included angle b is formed by sandwiching the third connecting line and the fourth connecting line,
and the first included angle a and the second included angle b meet the following relation: a/b=0.35 to 0.58.
According to the invention, the relation of the air outlet angles is researched, and the air inlet quantity is kept unchanged, so that the noise of the air conditioner is reduced, the use comfort of a user is improved, and the air outlet quantity is improved. The fan blade center is respectively connected with the upper edge (first end) of the upper guide wall and the lower edge (second end) of the inner side of the lower guide wall, so that a formed first included angle a is clamped between the fan blade center and the air duct, a second included angle b is formed by clamping a connecting line formed between the fan blade center and the first second end, and the relationship of a/b=0.35-0.58 is set between the two included angles, so that the cross-flow fan blade can be arranged at a proper position in the air duct, the air outlet noise and the air flow noise of the indoor unit can be reduced to the greatest extent, and the running performance of the air conditioner indoor unit and even the air conditioner is improved. Specifically, when the first included angle a is smaller, it is indicated that the through-flow fan blade is right-shifted (see fig. 5 and 6), that is, the center is close to the connection line between the first end and the second end, and when the first included angle a is larger, it is indicated that the through-flow fan blade is left-shifted (see fig. 5 and 6), that is, the center of the fan blade is far away from the connection line between the first end and the second end; when the second included angle b is smaller (if the center position of the through-flow fan blade is unchanged), the intersection point of the minimum distance forming connection line and the air duct is shifted to the right and lower as much as possible in fig. 1 and 2, which shows that the through-flow fan blade is shifted to the right and lower at this time, and when the second included angle b is larger (if the center position of the through-flow fan blade is unchanged), the intersection point of the minimum distance forming connection line and the air duct is shifted to the right and upper as much as possible in fig. 5 and 6, which shows that the through-flow fan blade is shifted to the right and upper at this time. Therefore, the first included angle a and the second included angle b are set to meet the relation a/b=0.35-0.58, so that the through-flow fan blade is prevented from being excessively deviated to the right lower part in the air duct to cause collision between the air flow and the inner wall of the air duct to generate noise, and the through-flow fan blade is prevented from excessively deviated to the right upper part in the air duct to cause larger resistance of the air flow at the volute tongue position to generate noise, thereby ensuring proper setting positions of the through-flow fan blade in the air duct, reducing the air outlet noise and the air flow noise of the indoor unit to the greatest extent, improving the air outlet quantity and improving the running performance of the indoor unit of the air conditioner and even the air conditioner.
Preferably, the first included angle a and the second included angle b also satisfy the relationship: b-a=25.1° to 45.1 °. In the air conditioning indoor unit of the present invention, the first angle a is set to be 25.1 ° to 45.1 ° smaller than the second angle b, so that the first angle a is especially avoided being larger than the second angle b, i.e. the situation that the center of the through-flow fan blade is inclined leftwards due to the fact that the first angle a is longer than the second angle b can be preferably prevented (as shown in fig. 5 and 6, the situation can cause serious collision between the air flow and the left inner wall of the air duct, thereby generating noise, the space on the right side of the fan blade is larger, the air flow does not pass through the fan blade, thereby playing a role of blowing air), the situation that the collision generates noise with the left inner wall is caused, and the first angle a is set to be smaller than the second angle b, thereby effectively ensuring that the situation does not occur, and the center of the through-flow fan blade is located at the center or rightwards as far as possible, thereby avoiding the noise generated due to the situation.
Preferably, the value range of the first included angle a is: 24.4-34.4 degrees. The preferred value range of the first included angle a of the air conditioner indoor unit ensures that the angle is not too small, so that the cross-flow fan blade is deviated to the right side to increase the air flow collision noise on the right side, and also avoids the deviation of the cross-flow fan blade to the left inner wall to increase the air flow collision noise on the left side due to the overlarge angle, and meanwhile, the air supply effect is not formed by the fan blade, thereby effectively ensuring the reasonable setting position of the cross-flow fan blade, ensuring the normal air supply of the air flow, effectively reducing the air flow noise and ensuring the normal, effective and reliable operation of the indoor unit.
Preferably, the value range of the second included angle b is: 59.5-69.5 deg.. The preferred value range of the second included angle b of the air conditioner indoor unit ensures that the angle is not too small, so that the cross-flow fan blade deviates to the left side to increase the air flow collision noise at the left side, meanwhile, the effect of air supply cannot be formed without passing through the fan blade, and the cross-flow fan blade is prevented from deviating to the inner wall at the upper right side to increase the air flow collision noise at the upper right side due to the too large angle, thereby effectively ensuring the reasonable arrangement position of the cross-flow fan blade, ensuring the normal air supply of the air flow, simultaneously effectively reducing the air flow noise and ensuring the normal, effective and reliable operation of the indoor unit.
Preferably, the air inlet panel 1 further comprises an air inlet and an air inlet panel arranged at the air inlet, and the air inlet panel further comprises a volute tongue 4 arranged at the air outlet 51 of the air channel. The air flow is induced into the indoor unit of the air conditioner through the air inlet panel, the close part between the cross-flow fan blade and the air channel can be subjected to path planning through the arrangement of the volute tongue, and the condition that energy loss is generated due to backflow of the air flow is effectively prevented.
Preferably, the evaporator 2 is located at a position between the air inlet panel 1 and the cross-flow fan blade 3. Through setting up the evaporimeter in the position between air inlet panel and the through-flow fan blade, can make the air current flow through the air inlet panel earlier, then carry out heat transfer with the evaporimeter, and the through-flow fan blade flows through, promptly through the induced draught effect of through-flow fan blade for the air current is inhaled from air inlet panel, and then gets into the evaporimeter and carry out heat transfer, later is blown to indoor again, has improved the mobility of air current, has strengthened heat transfer efficiency.
The invention aims to achieve the aims of reducing noise and improving the performance of an air conditioner by means of the relation among the length of a fan blade, the length of an air outlet and the length of an evaporator. Under the conditions that the air inlet quantity is fixed and the cross-flow fan blades are selected, the range of the length of the air outlet and the length range of the evaporator can be obtained according to the relation among the three, and experiments prove that the selection can greatly improve the air conditioning noise, ensure the quality of the sound quality of the air conditioner and improve the performance of the air conditioner.
The invention also provides an air conditioner: which comprises the air conditioner indoor unit. The invention relates to an air conditioner, which comprises an evaporator, cross-flow fan blades, an air duct and a volute tongue, wherein the air duct is positioned between the evaporator and the cross-flow fan blades, as shown in figures 1 and 5-6. Wind enters from the air inlet panel and exits from the air outlet of the air duct under the action of the cross-flow fan blades. The invention aims to reduce noise and improve air conditioning performance by adjusting the relation among the lengths of the cross-flow fan blades, the air outlet and the evaporator under the condition that the air inlet quantity is constant.
Through setting up the fan blade length L1 of air conditioning indoor set and air outlet length L2 as the relation: l1/l2=0.97 to 1.09, and the fan blade length L1 and the evaporator length L3 are set so as to satisfy the relationship: the length L1/l3=0.89-1.01, the size between the length L1 of the fan blade and the length L2 of the air outlet is basically equal, but there is a floating error range, so that the length L1 of the fan blade avoids the noise caused by vortex generated when the air sent by the fan blade is blown onto the inner wall of the air duct because the length L2 of the air outlet is too much longer, and also avoids the noise generated because the length L1 of the fan blade is shorter than the length L2 of the air outlet because the air flow cannot be sucked by the fan blade because the gap generated between the length direction of the fan blade and the air outlet generates vortex generated because the length L1 of the fan blade is too much shorter than the length L2 of the air outlet, and the size between the length L1 of the fan blade and the length L3 of the evaporator is basically equal, but there is also a floating error range, so that the length L1 of the fan blade avoids the fan blade from growing out of the length L3 of the evaporator to cause vortex generated when the air sent by the evaporator is sent by the fan blade, and the noise generated because the air flow after the evaporator cannot be sucked by the fan blade to generate accumulation generated, and the noise generated, and thus the noise generated can be reduced effectively, and the noise of the indoor air conditioner and the air conditioner can flow and the air conditioner to the maximum performance.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. An indoor unit of an air conditioner is characterized in that: the air conditioner comprises an evaporator (2), a cross-flow fan blade (3) and an air duct (5), wherein the air duct (5) is provided with an air duct air outlet (51), the length of the cross-flow fan blade (3) is L1, the length of the air duct air outlet (51) is L2, the length of the evaporator (2) is L3, the evaporator is provided with L1/L2=0.97-1.09, and the evaporator is provided with L1/L3=0.87-1.01; the air duct air outlet (51) comprises an upper guide wall (52) and a lower guide wall (53);
on the cross section of the cross-flow fan blade (3): the cross-flow fan blade (3) is provided with a fan blade center (31), the inner upper edge of the upper guide wall (52) is defined to be a first end (54), the inner lower edge of the lower guide wall (53) is defined to be a second end (55), and the inner lower edge of the lower guide wall (53) is defined to be the shortest position on the lower guide wall (53) from the upper guide wall (52);
the fan blade center (31) is connected with the first end (54) to form a first connecting line, the fan blade center (31) is connected with the second end (55) to form a second connecting line, and a first included angle a is formed between the first connecting line and the second connecting line in a clamping way;
defining a point with the smallest space between the air duct and the fan blade center (31) as an intersection point (56), wherein a third connecting line is formed by connecting the fan blade center (31) with the intersection point, a fourth connecting line is formed by connecting the first end (54) with the second end (55), a second included angle b is formed by sandwiching the third connecting line and the fourth connecting line, and the position of the intersection point is closer to the lower guide wall relative to the upper guide wall;
and the first included angle a and the second included angle b meet the following relation: a/b=0.35 to 0.58.
2. An air conditioning indoor unit according to claim 1, wherein: the length L2 of the air outlet of the air channel and the length L1 of the cross-flow fan blade also satisfy the following relation: l1-l2=15-25 mm.
3. An air conditioning indoor unit according to claim 1, wherein: the length L3 of the evaporator and the length L1 of the cross-flow fan blade also satisfy the relation: l3—l1=40 to 50mm.
4. An air conditioning indoor unit according to claim 1, wherein: the length L1 of the cross-flow fan blade has a value range of 900-950mm.
5. An air conditioning indoor unit according to claim 1, wherein: the part of the structure of the air duct (5) is arranged at the position between the evaporator (2) and the cross-flow fan blade (3).
6. An air conditioning indoor unit according to claim 1, wherein: the first included angle a and the second included angle b also satisfy the relation: b-a=25.1° to 45.1 °.
7. An air conditioning indoor unit according to claim 1, wherein: the value range of the first included angle a is as follows: 24.4-34.4 degrees; and/or, the value range of the second included angle b is as follows: 59.5 DEG to 69.5 deg.
8. An air conditioner: the method is characterized in that: an indoor unit comprising the air conditioner of any one of claims 1 to 7.
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| CN101196335A (en) * | 2007-11-19 | 2008-06-11 | 广州松下空调器有限公司 | Cabinet air conditioner |
| WO2010139188A1 (en) * | 2009-06-01 | 2010-12-09 | Lei Yuening | Square active-body compressed wind generating apparatus |
| CN202002225U (en) * | 2011-01-21 | 2011-10-05 | 广东志高空调有限公司 | Wall-mounted air conditioner indoor unit |
| CN201982367U (en) * | 2011-04-15 | 2011-09-21 | 珠海格力电器股份有限公司 | Cross-flow fan and air conditioner with same |
| CN202209733U (en) * | 2011-08-30 | 2012-05-02 | 珠海格力电器股份有限公司 | Air conditioning device |
| CN102954536A (en) * | 2011-08-30 | 2013-03-06 | 珠海格力电器股份有限公司 | Air conditioner device |
| CN202947217U (en) * | 2012-11-28 | 2013-05-22 | 珠海格力电器股份有限公司 | Air conditioning indoor machine |
| CN103851693A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN104075425A (en) * | 2013-03-26 | 2014-10-01 | 广州南洋理工职业学院 | Method for designing indoor air duct of cabinet machine and arranging evaporator |
| CN103185030A (en) * | 2013-04-03 | 2013-07-03 | 宁波朗迪叶轮机械有限公司 | Oblique-flow centrifugal impeller for air conditioner |
| CN203240666U (en) * | 2013-05-23 | 2013-10-16 | 广东科龙空调器有限公司 | Air conditioner indoor unit with multiple cross-flow fans |
| CN207113032U (en) * | 2017-08-25 | 2018-03-16 | 珠海凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
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