CN220748617U - Chassis structure, air conditioner indoor unit and air conditioner - Google Patents
Chassis structure, air conditioner indoor unit and air conditioner Download PDFInfo
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- CN220748617U CN220748617U CN202322401101.7U CN202322401101U CN220748617U CN 220748617 U CN220748617 U CN 220748617U CN 202322401101 U CN202322401101 U CN 202322401101U CN 220748617 U CN220748617 U CN 220748617U
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- 238000004378 air conditioning Methods 0.000 claims description 3
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- 239000003507 refrigerant Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model is applicable to the technical field of air conditioners and discloses a chassis structure, an air conditioner indoor unit and an air conditioner. The chassis structure is applied to an air conditioner indoor unit and comprises a volute casing and a front volute tongue; the volute comprises a shell main body and a rear volute tongue connected to the inner end of the shell main body; the front volute tongue is arranged on the front side of the volute, forms an air channel with the volute, and is used for installing a wind wheel of the air conditioner indoor unit; the rear volute tongue is provided with a first side part arranged towards the wind wheel and a second side part arranged opposite to the first side part, a plurality of air passing grooves which are arranged along the length direction of the rear volute tongue and are arranged in a way that the notch faces away from the shell main body are formed in the end part of the rear volute tongue, the air passing grooves are communicated with the first side part and the second side part, and the air passing grooves are at least used for supplying air flow to the first side part from the second side part. According to the chassis structure provided by the utility model, the wind passing groove is arranged on the rear volute tongue, so that the generation of abnormal sounds such as howling is greatly reduced, the efficiency of air flow entering the air duct is improved, and the pneumatic efficiency of the whole air duct is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a chassis structure, an air conditioner indoor unit and an air conditioner.
Background
The existing wall-mounted air conditioner mainly adopts the structural form of a through-flow air duct to supply air, the through-flow air duct is defined by a volute and a front volute tongue which are oppositely arranged, a wind wheel is arranged in the through-flow air duct, and air flow enters the air duct from an air inlet through an evaporator and then is guided by rotation of the wind wheel to flow out from an air outlet.
At the position of the rear volute tongue port of the volute, the airflow rolling angle is large, so that the airflow is unstable, the rear volute tongue is close to the wind wheel, the air pressure is high, when the wind wheel rotates to apply work to the airflow, partial airflow entering through the evaporator and the airflow rotationally guided by the wind wheel are intersected, abnormal sounds such as whistling are easily generated near the position, and meanwhile, the air quantity loss is caused by the instability of the airflow, so that the pneumatic efficiency of the whole machine is reduced.
Disclosure of Invention
A first object of the present utility model is to provide a chassis structure, which aims to solve the technical problems of abnormal noise and low pneumatic efficiency of the air conditioner in the related art.
In order to achieve the above purpose, the utility model provides the following scheme: a chassis structure for an indoor unit of an air conditioner, comprising:
the volute comprises a shell main body and a rear volute tongue connected to the inner end of the shell main body;
the front volute tongue is arranged on the front side of the volute, and forms an air channel with the volute, and the air channel is used for installing a wind wheel of the air conditioner indoor unit;
the rear volute tongue is provided with a first side part arranged towards the wind wheel and a second side part opposite to the first side part, a plurality of air passing grooves which are distributed along the length direction of the rear volute tongue and are opposite to the shell main body are formed in the end part of the rear volute tongue, which is far away from the shell main body, the air passing grooves are communicated with the first side part and the second side part, and the air passing grooves are at least used for supplying air flow to the first side part from the second side part.
As one embodiment, the overwind groove meets at least one of the following conditions:
the width of the air passing groove is more than or equal to 2mm and less than or equal to 10mm, wherein the width direction of the air passing groove is in the same direction as the length direction of the rear volute tongue;
the depth of the air passing groove is more than or equal to 3mm and less than or equal to 10mm;
the distance between two adjacent air passing grooves is more than 0mm and less than or equal to 15mm.
As one embodiment, the width of the air passing groove is greater than or equal to 4mm and less than or equal to 6mm;
the depth of the air passing groove is more than or equal to 6mm and less than or equal to 8mm;
the distance between two adjacent air passing grooves is more than 0mm and less than or equal to 8mm.
As one embodiment, the width of the notch of the air passing groove is the largest, wherein the width direction of the air passing groove is the same as the length direction of the rear volute tongue.
As one embodiment, all the air passing grooves have the same shape; or,
at least one air passing groove is different from other air passing grooves in shape; or,
all the shapes of the air passing grooves are different.
As an implementation manner, the wind passing groove is triangular or trapezoid or arc or U-shaped or parallelogram.
As one implementation mode, the wall of the air passing groove is a smooth surface; or,
the wall of the air passing groove is a concave-convex surface; or,
the wall of the air passing groove is smooth and partly concave-convex.
As an implementation manner, the plurality of air passing grooves are arranged at equal intervals along the length direction of the rear volute tongue.
The second object of the utility model is to provide an indoor unit of an air conditioner, which comprises a wind wheel and the chassis structure, wherein the wind wheel is positioned in an air duct of the chassis structure.
A third object of the present utility model is to provide an air conditioner, which includes an air conditioner outdoor unit and the air conditioner indoor unit, wherein the air conditioner outdoor unit is connected with the air conditioner indoor unit.
According to the chassis structure, the air conditioner indoor unit and the air conditioner, the plurality of air passing grooves which are distributed along the length direction of the rear volute tongue and are arranged with the notch facing away from the shell main body are arranged, so that the end part of the rear volute tongue, which is far away from the shell main body, is provided with the concave part, and the overall continuity is not presented any more; the first side part and the second side part are communicated through the air passing groove, so that air flow can flow from the second side part to the first side part at least, the end part of the rear volute tongue, which is far away from the shell main body, presents a zigzag or wave-like structure, when the air flow entering from the air inlet and the air flow rotationally guided by the air impeller are intersected at the end part of the rear volute tongue, which is far away from the shell main body, different sounds such as howling and the like can not be generated because the intersection area is positioned at the same height, but one part of the air flow is intersected at the height area of the air passing groove, the other part of the air flow is intersected at the height area of the end part of the rear volute tongue, which is far away from the shell main body, and the frequency of the air flow entering the air duct is dispersed through the intersection area with different heights, so that the same frequency band different sounds with similar frequency can be avoided; in addition, through setting up a plurality of air ducts and can increase here air inlet space, make the air current more stable to improve air inlet efficiency, promote whole wind channel pneumatic efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an indoor unit of an air conditioner according to a first embodiment of the present utility model;
fig. 2 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an assembled chassis structure and a wind wheel according to a first embodiment of the present utility model;
FIG. 4 is a schematic view of a chassis structure according to an embodiment of the present utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of a chassis structure according to another embodiment of the present utility model;
FIG. 7 is a partial enlarged view at B in FIG. 6;
FIG. 8 is a graph showing the correlation between the width of the rear volute tongue and the noise, wherein the rear volute tongue is provided with an air-passing groove according to the first embodiment of the present utility model;
FIG. 9 is a graph showing the correlation of the depth and noise of the air passing groove of the rear volute tongue according to the first embodiment of the present utility model;
FIG. 10 is a graph showing the correlation between the spacing between the rear volute tongue and the noise, wherein the rear volute tongue is provided with an over-wind groove according to the first embodiment of the present utility model;
FIG. 11 is an enlarged view of a portion of a rear volute tongue according to a second embodiment of the present utility model;
FIG. 12 is an enlarged view of a portion of a rear volute tongue according to a third embodiment of the utility model;
FIG. 13 is an enlarged view of a portion of a rear volute tongue according to a fourth embodiment of the utility model;
FIG. 14 is an enlarged view of a portion of the rear volute tongue of the fifth embodiment of the utility model;
fig. 15 is an enlarged view of a portion of a rear volute tongue according to a sixth embodiment of the utility model.
Reference numerals illustrate:
100. a chassis structure; 10. a volute; 11. a case main body; 12. a rear volute tongue; 121. a first side portion; 122. a second side portion; 13. a wind passing groove; 131. a notch; 132. a first opening; 133. a second opening; 134. a groove wall; 135. a flow passage; 20. a front volute tongue; 30. an air duct; 31. an air inlet; 32. an air outlet; 200. a wind wheel; 300. an evaporator.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Most of the existing wall-mounted air conditioner is provided with a through-flow air duct defined by a volute and a front volute tongue which are oppositely arranged, airflow at a rear volute tongue port of the volute is unstable due to large airflow rolling angle, the rear volute tongue is close to a wind wheel position, air pressure is high, when wind wheel rotation in the through-flow air duct applies work to airflow, partial airflow entering through an evaporator and airflow guided by the rotation of the wind wheel intersect, abnormal sounds such as whistling are easy to be generated near the position, and meanwhile, air quantity loss is also caused due to the instability of the airflow, so that the pneumatic efficiency of the whole air conditioner is reduced.
In view of the above, the present utility model provides a chassis structure, an air conditioner indoor unit, and an air conditioner, the air conditioner including an indoor air conditioner and an outdoor air conditioner connected with the indoor air conditioner, the indoor air conditioner including a chassis structure and a wind wheel installed in the chassis structure.
As shown in fig. 1 to 3, the chassis structure 100 provided in the embodiment of the utility model is applied to an air conditioner indoor unit, and includes a volute casing 10 and a front volute tongue 20, wherein the front volute tongue 20 is disposed on the front side of the volute casing 10, and forms an air duct 30 with the volute casing 10, and the air duct 30 is used for installing a wind wheel 200 of the air conditioner indoor unit. In a specific application, the air duct 30 has an air inlet 31 and an air outlet 32, air flows from the air inlet 31 into the air duct 30, and the wind wheel 200 rotates to apply work to the air flow, so that the air flow is led out from the air outlet 32, and the arrow in fig. 2 indicates the flow direction of the air flow. Wherein, the front side refers to the side of the chassis structure 100 away from the wall when the indoor unit of the air conditioner is hung on the wall.
As one embodiment, referring to fig. 2, 4 and 5, the volute casing 10 includes a casing main body 11 and a rear volute tongue 12 connected to an inner end of the casing main body 11; the rear volute tongue 12 has a first side 121 disposed towards the wind wheel 200 and a second side 122 disposed opposite to the first side 121, a plurality of air passing grooves 13 disposed along a length direction of the rear volute tongue 12 and having notches 131 disposed opposite to the housing main body 11 are formed at an end portion of the rear volute tongue 12 away from the housing main body 11, and the air passing grooves 13 are communicated with the first side 121 and the second side 122, and the air passing grooves 13 are at least used for supplying air flow from the second side 122 to the first side 121. In a specific application, the air passing groove 13 further includes a first opening 132 and a second opening 133 that are communicated with the groove body, the first opening 132 is disposed on the first side portion 121, and the second opening 133 is disposed on the second side portion 122, so that the air passing groove 13 is communicated with the first side portion 121 and the second side portion 122, and air flow can enter the groove body from one of the first opening 132 and the second opening 133 and flow out from the other. The length direction of the rear volute tongue 12 is the same as the length direction of the air conditioning indoor unit, that is, the left-right direction shown in fig. 1.
By adopting the technical scheme, the end part of the rear volute tongue 12 far away from the shell main body 11 is provided with the concave part by arranging the plurality of air passing grooves 13 which are distributed along the length direction of the rear volute tongue 12 and the notch 131 is arranged opposite to the shell main body 11, so that the overall continuity is not presented any more; the air passing groove 13 is arranged to communicate the first side 121 and the second side 122, so that air flow can flow from the second side 122 to the first side 121 at least, and the end part of the rear volute tongue 12 far away from the shell main body 11 presents a zigzag or wave-like structure, when the air flow entering from the air inlet 31 and the air flow rotationally guided by the wind wheel 200 are intersected at the end part of the rear volute tongue 12 far away from the shell main body 11, abnormal sounds such as howling can not be generated because the intersection area is positioned at the same height, but one part of the air flow is intersected at the height area of the air passing groove 13, and the other part of the air flow is intersected at the height area of the end part of the rear volute tongue 12 far away from the shell main body 11, and the frequency of the air flow entering the air duct 30 is dispersed by forming the intersection area with different heights, so that the same frequency band abnormal sounds are avoided; in addition, through setting up a plurality of air grooves 13, can increase here air inlet space, make the air current more stable to improve air inlet efficiency, promote whole wind channel 30 pneumatic efficiency. Therefore, the chassis structure 100 provided by the utility model greatly reduces the generation of abnormal sounds such as howling, and improves the efficiency of air flow entering the air duct 30, and improves the pneumatic efficiency of the whole air duct 30.
As an embodiment, referring to fig. 6 and 7, the air passing groove 13 satisfies at least one of the following conditions: the width W of the air passing groove 13 is more than or equal to 2mm and less than or equal to 10mm; the depth H of the air passing groove 13 is more than or equal to 3mm and less than or equal to 10mm; the distance L between two adjacent air passing grooves 13 is more than 0mm and less than or equal to 15mm; wherein, the width direction of the air passing groove 13 is in the same direction with the length direction of the rear volute tongue 12; in addition, when the shape of the air passing groove 13 is irregular, the width thereof refers to the maximum width of the groove body of the air passing groove 13. Fig. 8 shows a graph of the dependence of the width of the air duct 13 on noise, and it can be seen from the graph that when the width W of the air duct 13 is greater than or equal to 2mm and less than or equal to 10mm, the noise is significantly lower than the noise of other sizes. Fig. 9 shows a graph of the correlation of the depth of the air passing groove 13 with noise, and it can be seen from the graph that when the depth H of the air passing groove 13 is greater than or equal to 3mm and less than or equal to 10mm, the noise is significantly lower than the noise of other sizes. Fig. 10 shows a graph of the correlation of the distance between two adjacent air passing grooves 13 with noise, and it can be seen from the graph that when the distance L between two adjacent air passing grooves 13 is greater than 0mm and less than or equal to 15mm, the noise is significantly lower than the noise of other sizes.
In a specific application, the width W of the air passing grooves 13 may be 2mm, 3mm, 5mm, 7mm, 8mm, 9mm or 10mm, and the widths of all the air passing grooves 13 may be the same, or the widths of part of the air passing grooves 13 may be different, or the widths of all the air passing grooves 13 may be different; the depth H of the air passing grooves 13 may be 3mm, 5mm, 6mm, 8mm, 9mm, or 10mm, and the depths of all the air passing grooves 13 may be the same, or the depths of part of the air passing grooves 13 may be different, or the depths of all the air passing grooves 13 may be different; the distance L between two adjacent air passing grooves 13 may be 1mm or 3mm or 5mm or 7mm or 10mm or 12mm or 14mm or 15mm, and the distances between any two adjacent air passing grooves 13 may be the same, that is, the plurality of air passing grooves 13 are arranged at equal intervals along the length direction of the rear volute tongue 12, or the distances between part of the air passing grooves 13 may be the same, the part of the air passing grooves are different, or the distances between any two adjacent air passing grooves 13 may be different.
As one embodiment, the width W of the air passing groove 13 is preferably 4mm or more and 6mm or less, the depth H of the air passing groove 13 is preferably 6mm or more and 8mm or less, and the distance L between two adjacent air passing grooves 13 is preferably 0mm or more and 8mm or less. Therefore, the noise is lower, the mute effect is better, and the use experience of the user on the product is further improved.
As an embodiment, the width at the notch 131 of the air passing groove 13 is maximized. That is, the width of the notch 131 of the air passing groove 13 is larger than that of other parts of the air passing groove 13, and the air passing grooves 13 are arranged in a flaring shape, so that air flows between two adjacent air passing grooves 13 are mutually interfered, which is beneficial to breaking resonance and eliminating howling. Of course, in a specific application, as an alternative embodiment,
as an embodiment, all the air passing grooves 13 have the same shape; thus, the processing and manufacturing are facilitated. Of course, in specific applications, as an alternative embodiment, it is also possible that at least one of the air passing grooves 13 is not identical in shape to other air passing grooves 13, or that all of the air passing grooves 13 are not identical in shape.
As an embodiment, referring to fig. 7, the air passing groove 13 has a triangular shape. In this embodiment, the air passing groove 13 is in the shape of an isosceles triangle. It will be appreciated that in other embodiments, the air chute 13 may be of an equilateral triangle or a non-equilateral triangle. The shape of the air passing groove 13 is not limited to this, and may be designed according to the need.
As an embodiment, the groove wall 134 of the air passing groove 13 is a smooth surface. In this embodiment, the triangular air passing groove 13 has two groove walls 134, and the two groove walls 134 are both smoothly disposed.
Further, referring to fig. 1 to 3, the present utility model further provides an indoor unit of an air conditioner, which includes a wind wheel 200 and the chassis structure 100 described above, where the wind wheel 200 is located in the air duct 30 of the chassis structure 100. By adopting the chassis structure 100, the generation of abnormal sounds such as howling is greatly reduced, and the use is more comfortable and quiet; and simultaneously improves the efficiency of the air flow entering the air duct 30, and effectively improves the pneumatic efficiency of the whole air duct 30.
As an embodiment, referring to fig. 2, the air conditioning indoor unit further includes an evaporator 300, and the evaporator 300 is provided on the air intake side of the wind wheel 200. In a specific application, the air flow enters from the air inlet 31, passes through the evaporator 300, and is guided out from the air outlet 32 under the action of the wind wheel 200.
Further, the embodiment of the utility model also provides an air conditioner which comprises an air conditioner outdoor unit and the air conditioner indoor unit, wherein the air conditioner outdoor unit is connected with the air conditioner indoor unit. Specifically, the air conditioner outdoor unit is arranged outdoors, the air conditioner indoor unit is arranged indoors, the air conditioner outdoor unit is connected with the air conditioner indoor unit through a refrigerant pipe, and the air conditioner indoor unit exchanges heat with the air conditioner outdoor unit through a refrigerant.
Embodiment two:
referring to fig. 6, 7 and 11, the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first embodiment mainly in that the shape of the air passing groove 13 is different, specifically, in the first embodiment, the air passing groove 13 is triangular; in the present embodiment, the air passing groove 13 is trapezoidal.
As an embodiment, the air duct 13 has an isosceles trapezoid shape. Of course, in specific applications, the air duct 13 may also be trapezoidal with other shapes, such as a right trapezoid.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment may be correspondingly disposed with reference to the embodiment, and will not be described in detail herein.
Embodiment III:
referring to fig. 6, 7 and 12, the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first embodiment mainly in that the shape of the air passing groove 13 is different, specifically, in the first embodiment, the air passing groove 13 is triangular; in the present embodiment, the air passing groove 13 is arc-shaped.
As an embodiment, the air passing groove 13 is in a circular arc shape, and the corresponding central angle is 180 °. Of course, in specific applications, the air duct 13 may also be arc-shaped with other shapes, which is not limited herein.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment may be correspondingly disposed with reference to the embodiment, and will not be described in detail herein.
Embodiment four:
referring to fig. 6, 7 and 13, the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first embodiment mainly in that the shape of the air passing groove 13 is different, specifically, in the first embodiment, the air passing groove 13 is triangular; in the present embodiment, the air passing groove 13 is in a "U" shape.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment may be correspondingly disposed with reference to the embodiment, and will not be described in detail herein.
Fifth embodiment:
referring to fig. 6, 7 and 14, the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first embodiment mainly in that the shape of the air passing groove 13 is different, specifically, in the first embodiment, the air passing groove 13 is triangular; in the present embodiment, the air passing groove 13 is in a parallelogram shape.
As an embodiment, the air duct 13 has a rectangular shape. The rectangle is a special parallelogram, however, the air duct 13 may be a non-special parallelogram in specific applications.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment may be correspondingly disposed with reference to the embodiment, and will not be described in detail herein.
Example six:
referring to fig. 6, 7 and 15, the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first to fifth embodiments mainly in that the groove wall 134 of the air passing groove 13 is different from those of the first to fifth embodiments, and specifically, the wall of the air passing groove 13 is a smooth surface; in the present embodiment, the groove wall 134 of the air passing groove 13 is a concave-convex surface.
As an embodiment, referring to fig. 5 and 15, a plurality of flow passages 135 communicating the first side portion 121 and the second side portion 122 are formed in the groove wall 134 of the air passage 13. So set up, increase the air inlet space. In this embodiment, the plurality of flow channels 135 are provided to form the groove wall 134 into the concave-convex surface, it will be appreciated that in other embodiments, the groove wall 134 may be formed into the concave-convex surface by other manners, such as providing a plurality of protrusions on the groove wall 134.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment can be correspondingly arranged with reference to the first to fifth embodiments, and will not be described in detail herein.
Embodiment seven:
the chassis structure 100, the indoor unit of an air conditioner and the air conditioner provided in this embodiment are different from those of the first to fifth embodiments mainly in that the groove wall 134 of the air passing groove 13 has a smooth surface, and in the first to fifth embodiments, the wall of the air passing groove 13 is a smooth surface; in the present embodiment, the groove wall 134 of the air passing groove 13 is a smooth surface and a concave-convex surface.
In addition to the above-mentioned differences, the chassis structure 100, the indoor unit of the air conditioner and other parts of the air conditioner provided in this embodiment can be correspondingly arranged with reference to the first to fifth embodiments, and will not be described in detail herein.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A chassis structure for an air conditioner indoor unit, comprising:
the volute comprises a shell main body and a rear volute tongue connected to the inner end of the shell main body;
the front volute tongue is arranged on the front side of the volute, and forms an air channel with the volute, and the air channel is used for installing a wind wheel of the air conditioner indoor unit;
the rear volute tongue is provided with a first side part arranged towards the wind wheel and a second side part opposite to the first side part, a plurality of air passing grooves which are distributed along the length direction of the rear volute tongue and are opposite to the shell main body are formed in the end part of the rear volute tongue, which is far away from the shell main body, the air passing grooves are communicated with the first side part and the second side part, and the air passing grooves are at least used for supplying air flow to the first side part from the second side part.
2. The chassis structure of claim 1, wherein the overwind trough meets at least one of the following conditions:
the width of the air passing groove is more than or equal to 2mm and less than or equal to 10mm, wherein the width direction of the air passing groove is in the same direction as the length direction of the rear volute tongue;
the depth of the air passing groove is more than or equal to 3mm and less than or equal to 10mm;
the distance between two adjacent air passing grooves is more than 0mm and less than or equal to 15mm.
3. The chassis structure of claim 2, wherein the width of the wind trough is greater than or equal to 4mm and less than or equal to 6mm;
the depth of the air passing groove is more than or equal to 6mm and less than or equal to 8mm;
the distance between two adjacent air passing grooves is more than 0mm and less than or equal to 8mm.
4. The chassis structure of claim 1, wherein the width of the slot opening of the air duct is greatest, wherein the width of the air duct is oriented in the same direction as the length of the rear volute tongue.
5. The chassis structure of claim 1, wherein all of said air passing slots are the same shape; or,
at least one air passing groove is different from other air passing grooves in shape; or,
all the shapes of the air passing grooves are different.
6. The chassis structure of claim 1, wherein the wind trough is triangular or trapezoidal or arcuate or "U" shaped or parallelogram.
7. The chassis structure of claim 1, wherein the walls of the wind-passing trough are smooth surfaces; or,
the wall of the air passing groove is a concave-convex surface; or,
the wall of the air passing groove is smooth and partly concave-convex.
8. The chassis structure according to any one of claims 1 to 7, wherein the plurality of air passing grooves are arranged at equal intervals in a length direction of the rear volute tongue.
9. An air conditioning indoor unit comprising a wind wheel and a chassis structure according to any one of claims 1 to 8, the wind wheel being located within an air duct of the chassis structure.
10. An air conditioner comprising an air conditioner outdoor unit and an air conditioner indoor unit according to claim 9, wherein the air conditioner outdoor unit is connected to the air conditioner indoor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322401101.7U CN220748617U (en) | 2023-09-04 | 2023-09-04 | Chassis structure, air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322401101.7U CN220748617U (en) | 2023-09-04 | 2023-09-04 | Chassis structure, air conditioner indoor unit and air conditioner |
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| CN220748617U true CN220748617U (en) | 2024-04-09 |
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| CN202322401101.7U Active CN220748617U (en) | 2023-09-04 | 2023-09-04 | Chassis structure, air conditioner indoor unit and air conditioner |
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| Country | Link |
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| CN (1) | CN220748617U (en) |
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2023
- 2023-09-04 CN CN202322401101.7U patent/CN220748617U/en active Active
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