CN219735460U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN219735460U CN219735460U CN202320861242.4U CN202320861242U CN219735460U CN 219735460 U CN219735460 U CN 219735460U CN 202320861242 U CN202320861242 U CN 202320861242U CN 219735460 U CN219735460 U CN 219735460U
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- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000004378 air conditioning Methods 0.000 claims description 46
- 238000009434 installation Methods 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 17
- 230000001154 acute effect Effects 0.000 claims description 6
- 230000001965 increasing effect Effects 0.000 description 10
- 230000007704 transition Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model discloses an air conditioner indoor unit, which belongs to the technical field of air conditioner indoor units, and comprises a casing, a heat exchanger, a first air duct shell, a second air duct shell and a flow guide piece; the shell is provided with a shell air inlet, a first air outlet and a second air outlet; a heat exchange air duct is formed in the shell, and a heat exchanger is arranged in the heat exchange air duct; the first air duct shell is arranged in the shell and is internally provided with a first air duct communicated with the first air outlet and the heat exchange air duct; the first through-flow fan is arranged in the first air duct; the second air duct shell is arranged in the shell and is internally provided with a second air duct communicated with the second air outlet and the heat exchange air duct; the second cross-flow fan is arranged in the second air duct; the windless area is positioned in the first air channel and is close to the first through-flow fan, and part of blades of the first through-flow fan are positioned in the windless area; the drainage plate is arranged at the communication part of the first air channel and the heat exchange air channel; according to the air conditioner indoor unit, air is introduced into the windless area through the drainage plate, so that the working efficiency of the first through-flow fan is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioner indoor units, in particular to an air conditioner indoor unit.
Background
The working principle of the fan for driving air to flow is as follows: when the fan blade rotates, air pressing the stress surface in a beveling mode moves in a direction perpendicular to the surface of the fan blade, so that the air is forced to flow away, negative pressure is generated at the original position, and nearby air flows into the area due to the negative pressure, so that air flow is formed. Through the working principle of driving air flow by the fan, the more the fan blades participate in driving air flow work under the same condition, the faster the air flow speed is.
As is well known, a fan is an important component of an indoor unit of an air conditioner, and indoor air is subjected to heat exchange treatment by a heat exchanger to form air-conditioning air and then flows into a room under the action of the fan, so that the fan is an important component for influencing the air output of the indoor unit of the air conditioner. In the prior art, a front volute tongue and a rear volute tongue are arranged on a casing of an air conditioner indoor unit so as to form an air outlet duct and guide air to flow. The heat exchanger is installed and fixed by being connected with the front volute tongue, and the size of the front volute tongue is matched with the installation condition of the heat exchanger so that the heat exchanger is firmly installed. In some indoor units of air conditioner, the front volute tongue is used for firmly installing the heat exchanger, so that the fan blades are easy to shield, a windless area is formed near the fan, the fan is located in the windless area, the blades cannot participate in the operation of driving air flow, the efficiency of the fan is reduced, but if the size of the front volute tongue is changed, the heat exchanger is possibly unstable to install or the internal structure of the indoor unit of air conditioner is complicated, in the prior art, the working efficiency of the fan is increased by increasing the size or thickness of the fan, so that the loss caused by the blades which do not participate in the operation is compensated, and in this way, the air outlet quantity of the indoor unit of air conditioner is ensured, but the utilization efficiency of resources is low, and the production cost is increased.
Disclosure of Invention
Aiming at the defects existing in the related art, the utility model provides an air conditioner indoor unit, which aims to solve the problems of low working efficiency of a first through-flow fan and low air output in an air conditioner room caused by the fact that the blades of the first through-flow fan are not fully involved in the operation of driving the air conditioner to move in the prior art.
The utility model provides an air conditioner indoor unit, comprising:
the shell is provided with a shell air inlet, a first air outlet and a second air outlet; a heat exchange air duct communicated with the air inlet of the shell is formed in the shell;
the heat exchanger is arranged in the heat exchange air duct and is arranged close to the air inlet of the shell;
the first air duct shell is arranged in the shell; the first air duct shell comprises a first front volute tongue and a first rear volute tongue, one end of the first front volute tongue is arranged close to the heat exchanger, and the other end of the first front volute tongue extends towards the first air outlet; one end of the first rear volute tongue is arranged close to the heat exchanger, and the other end of the first rear volute tongue extends towards the first air outlet; the first rear volute tongue and the first front volute tongue are oppositely arranged and jointly define a first air channel communicated with the first air outlet and the heat exchange air channel;
the first through-flow fan is arranged in the first air channel and used for introducing air in the heat exchange air channel into the first air channel and flowing into the room from the first air outlet;
the second air duct shell is arranged in the shell, and a second air duct communicated with the second air outlet and the heat exchange air duct is arranged in the second air duct shell;
the second cross flow fan is arranged in the second air channel and used for introducing air in the heat exchange air channel into the second air channel and flowing into the room from the second air outlet;
the windless area is positioned in the first air duct and is close to the first through-flow fan, and part of blades of the first through-flow fan are positioned in the windless area;
the drainage plate is arranged at the communication part of the first air channel and the heat exchange air channel to guide air entering the first air channel from the heat exchange air channel to enter the windless area;
and after the air in the heat exchange air duct is introduced into the first air duct through the operation of the first through-flow fan, the air is introduced into the windless area through the drainage plate.
According to the technical scheme, the first air duct and the second air duct are arranged and are respectively communicated with the heat exchange air duct, so that the air output of the indoor unit of the air conditioner is increased; through setting up the drainage board to the air that gets into first wind channel by the heat transfer wind channel gets into the windless district, thereby make the blade that first through-flow fan is arranged in the windless district can participate in the work that first through-flow fan drive air flows, increase first through-flow fan's work efficiency, and then increase the air output that flows to indoor by first wind channel.
In some embodiments, the first front volute tongue comprises an induced air portion and a first guide portion, the induced air portion being disposed proximate to the heat exchange air duct to direct air in the heat exchange air duct into the first air duct; the first guiding part is connected to the induced air part and is arranged opposite to the first rear volute tongue, and one end of the first guiding part, which is far away from the induced air part, extends towards the first air outlet.
In some embodiments, the flow guiding plate is disposed adjacent to the air guiding portion and has a gap with the air guiding portion, so that air entering the first air duct from the heat exchange air duct is introduced into the windless region through the gap.
In some embodiments, the drainage plate and the induced air part are arranged at an acute angle, and the maximum value of the acute angle is 45 degrees.
In some embodiments, the second air duct shell includes a second front volute tongue and a second rear volute tongue, one end of the second front volute tongue is arranged close to the heat exchanger, and the other end of the second front volute tongue extends towards the second air outlet; one end of the second rear volute tongue is arranged close to the heat exchanger, and the other end of the second rear volute tongue extends towards the second air outlet; the second rear volute tongue is arranged opposite to the second front volute tongue so as to jointly define a second air channel.
In some of these embodiments, the second front volute tongue includes a second guide portion that is disposed opposite the second rear volute tongue to cooperatively define a second air channel.
In some embodiments, a first connecting part is connected to one end of the first guiding part far away from the induced air part, and the first guiding part and the first connecting part form a first mounting cavity together; the second guide part is connected with the second connecting part and forms a second installation cavity together with the second connecting part, and the heat exchanger is installed in the first installation cavity and the second installation cavity.
In some embodiments, a connecting plate is connected to an end of the first connecting portion away from the first guiding portion, and the connecting plate is disposed opposite to the first guiding portion and connected to the heat exchanger.
In some embodiments, one end of the first rear volute tongue away from the first air outlet is connected with one end of the second rear volute tongue away from the second air outlet through a third connecting portion.
In some embodiments, the third connecting portion is connected to a partition plate for separating the first air duct and the second air duct, and the partition plate is located at a connection position of the first air duct and the second air duct and connected to the casing.
Based on the technical scheme, the air conditioner indoor unit in the embodiment of the utility model is provided with the first air channel and the second air channel, and the first air channel and the second air channel are respectively communicated with the heat exchange air channel so as to increase the air output of the air conditioner indoor unit; guiding air flow in the first air duct by providing a first front volute tongue and a first rear volute tongue to define a first air duct; through setting up the drainage board to the air that gets into first wind channel by the heat transfer wind channel gets into the windless district, thereby make the blade that first through-flow fan is arranged in the windless district can participate in the work that first through-flow fan drive air flows, increase first through-flow fan's work efficiency, and then increase the air output that flows to indoor by first wind channel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of an embodiment of an indoor unit of an air conditioner according to the present utility model;
FIG. 2 is a schematic view of an air conditioning indoor unit according to an embodiment of the present utility model at another angle;
FIG. 3 is a schematic view of an air conditioner indoor unit according to an embodiment of the present utility model;
FIG. 4 is a schematic top view of an embodiment of an indoor unit of an air conditioner according to the present utility model;
FIG. 5 is a schematic view of an air conditioning indoor unit according to an embodiment of the present utility model, with a half cut away, without a cabinet assembled;
fig. 6 is a schematic diagram of a half-section of a first air duct shell and a second air duct shell in an embodiment of an indoor unit of an air conditioner according to the utility model
FIG. 7 is a top view of an air conditioning indoor unit according to an embodiment of the present utility model with a first air duct housing and a second air duct housing in half-section;
FIG. 8 is a schematic flow diagram of air conditioning air entering a first duct from a heat exchange duct in the prior art;
FIG. 9 is a schematic flow diagram of air flowing from a heat exchange air duct into a first air duct in an embodiment of an indoor unit of an air conditioner according to the present utility model;
FIG. 10 is a schematic view of a semi-sectional structure of an air conditioning indoor unit according to an embodiment of the present utility model, wherein the first air duct housing, the second air duct housing, and the partition plate and the connecting plate are assembled;
fig. 11 is an enlarged view of the structure at a in fig. 10.
In the figure:
1. a housing; 2. a heat exchanger; 3. a first through-flow fan; 4. a second cross-flow fan; 5. a drainage plate; 6. a first air duct case; 7. a second air duct case; 8. a partition plate; 9. a windless zone;
11. a first air outlet; 12. an air inlet of the shell; 13. a second air outlet; 14. a first air duct; 15. a second air duct; 16. a heat exchange air duct; 17. a bottom plate; 18. a connecting plate;
61. a first front volute tongue; 62. a first rear volute tongue; 611. a first mounting cavity; 612. an induced draft part; 613. a first guide portion; 614. a first transition portion; 615. a first connection portion;
71. a second front volute tongue; 72. a second rear volute tongue; 711. a second mounting cavity; 712. a second connecting portion; 713. a second transition portion; 714. a second guide portion; 722. a third connecting portion; 7221. a limit groove;
81. and a separator connecting member.
Detailed Description
For the purposes of making the objects and embodiments of the present utility model more apparent, an exemplary embodiment of the present utility model will be described in detail below with reference to the accompanying drawings in which exemplary embodiments of the present utility model are illustrated, it being apparent that the exemplary embodiments described are only some, but not all, of the embodiments of the present utility model.
It should be noted that the brief description of the terminology in the present utility model is for the purpose of facilitating understanding of the embodiments described below only and is not intended to limit the embodiments of the present utility model. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.
The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.
As shown in fig. 1 to 11, in an exemplary embodiment of the air conditioning indoor unit according to the present utility model, the air conditioning indoor unit includes a cabinet 1, a heat exchanger 2, a first air duct case 6, a second air duct case 7, and a drainage plate 5.
The directions described herein are based on the direction in which the user faces the air conditioning indoor unit, wherein the left side and the right side are distinguished from each other in the direction in which the user faces the air conditioning indoor unit, the front side is defined as the side facing the user when the air conditioning indoor unit is in use, the rear side is defined as the opposite side, and the upper side and the lower side are defined to distinguish the upper side and the lower side when the air conditioning indoor unit generally works normally.
In this embodiment, the air conditioning indoor unit is a floor air conditioner. As shown in fig. 1 and 2, the casing 1 is used for forming the overall appearance of the indoor unit of the air conditioner, the casing 1 has a top and a bottom, the top of the casing 1 is opposite to the bottom of the casing 1, and the height direction of the casing 1 is from the top of the casing 1 to the bottom of the casing 1; the left side of the shell 1 is opposite to the right side of the shell 1, and the width direction of the shell 1 is from the left side of the shell 1 to the right side of the shell 1; the front side of the shell 1 and the rear side of the shell 1 are opposite sides, and the direction from the front side of the shell 1 to the rear side of the shell 1 is the thickness direction of the shell 1; the shell 1 is provided with a shell air inlet 12 and a shell air outlet; a heat exchange air duct 16 and an air outlet air duct which are mutually communicated are formed in the shell 1, the heat exchange air duct 16 is communicated with the shell air inlet 12, a heat exchanger 2 is arranged in the shell 1, and the heat exchanger 2 is arranged in the shell 1 and is used for carrying out heat exchange treatment on indoor air in the heat exchange air duct 16 to form air-conditioning air; the air outlet air duct is communicated with the shell air outlet, a heat exchange fan is arranged in the air outlet air duct, the heat exchange fan is arranged on the shell 1, indoor air outside the shell 1 is led into the heat exchange air duct 16 through the shell air inlet 12 and subjected to heat exchange through the heat exchanger 2 to form air-conditioning air, and the air-conditioning air flows into the room through the shell air outlet to exchange heat with the indoor air, so that the refrigerating or heating function is realized; the combined action of the heat exchanger 2 and the heat exchange fan is used for realizing the refrigeration or heating of the air outside the shell 1, so that the comfortable temperature of a user is reached; it should be noted that, the heat exchanger 2 is disposed close to the air inlet 12 of the casing, so that the heat exchanger 2 performs heat exchange treatment on indoor air; the air conditioner wind may be hot air or cold air.
In order to make the air conditioner indoor unit have a larger air outlet, as shown in fig. 3 and 4, the air conditioner indoor unit designs the air outlet air channel into two air channels, namely the air outlet air channel comprises a first air channel 14 and a second air channel 15, the first air channel 14 and the second air channel 15 are respectively communicated with a heat exchange air channel 16, the first air channel 14 and the second air channel 15 are arranged in parallel, air in the heat exchange air channel 16 forms air conditioner air after heat exchange treatment by the heat exchanger 2, one part of air conditioner air is introduced into the second air channel 15, and the other part of air conditioner air is introduced into the first air channel 14, and the air outlet air channel is designed into the second air channel 15 and the first air channel 14 so as to increase the air outlet amount of the air conditioner indoor unit, thereby enhancing the refrigerating or heating effect of the air conditioner indoor unit; in order to prevent the interaction between the air-conditioning air in the first air duct 14 and the air-conditioning air in the second air duct 15, the air-conditioning indoor unit should be isolated from the first air duct 14 and the second air duct 15.
In the air conditioner indoor unit, as shown in fig. 4 and 5, a first air duct case 6 and a second air duct case 7 are provided in the casing 1, and the first air duct case 6 and the second air duct case 7 are disposed in parallel in the casing 1 along the width direction of the casing 1; a first air duct 14 is arranged in the first air duct shell 6, and a second air duct 15 is arranged in the second air duct shell 7; forming a first air duct 14 and a second air duct 15 inside the cabinet 1 by providing a first air duct case 6 and a second air duct case 7 inside the cabinet; the shell air outlet comprises a first air outlet 11 and a second air outlet 13, and the first air outlet 11 is communicated with the first air duct 14 so that air in the first air duct 14 flows into a room from the first air outlet 11; the second air outlet 13 is communicated with the second air duct 15, so that air in the second air duct 15 flows into the room from the second air outlet 13; accordingly, in order to enable the air conditioner air in the heat exchange air duct 16 to be respectively introduced into the first air duct 14 and the second air duct 15, the heat exchange air blower also comprises a first through-flow air blower 3 and a second through-flow air blower 4, wherein the first through-flow air blower 3 is arranged in the first air duct 14, and the second through-flow air blower 4 is arranged in the second air duct 15; the air-conditioning air in the heat exchange air duct 16 is introduced into the first air duct 14 by the operation of the first through-flow fan 3, and the air-conditioning air in the heat exchange air duct 16 is introduced into the second air duct 15 by the operation of the second through-flow fan 4; it should be noted that, through the operation of the first through-flow fan 3 and the second through-flow fan 4, the indoor air may be introduced into the heat exchange air duct 16 through the casing air inlet 12, so as to increase the air intake of the indoor unit of the air conditioner; it should be noted that, the second air outlet 13 and the first air outlet 11 are respectively located at two sides of the left and right directions of the casing 1; the shell air inlet 12 is positioned at the rear side of the shell 1; specifically, through setting up second air outlet 13 and first air outlet 11 respectively in the both sides of casing 1 left and right sides direction, can make the setting position of first air outlet 11 and second air outlet 13 and the structural design phase-match of first wind channel 14 and second wind channel 15 like this to not only can avoid making first air outlet 11 and second air outlet 13 set up on casing 1 towards user's the place ahead, can promote the outward appearance friendliness of vertical air conditioner, can realize the left and right sides air outlet of vertical air conditioner moreover, prevent to blow directly to the user, promote user's use experience.
In some embodiments, as shown in fig. 6, the first air duct shell 6 and the second air duct shell 7 extend along the height direction of the casing 1, the bottoms of the first air duct shell 6 and the second air duct shell 7 are connected with a bottom plate 17, and the bottom plate 17 is used for connecting the first through-flow fan 3 and the second through-flow fan 4, so as to facilitate the installation of the first through-flow fan 3 in the first air duct 14 and the installation of the second through-flow fan 4 in the second air duct 15; and the bottom plate 17 can also support the first cross flow fan 3 and the second cross flow fan 4 to rotate, so that the working stability of the first cross flow fan 3 and the second cross flow fan 4 is improved.
In the above-mentioned indoor unit of an air conditioner, as shown in fig. 4 and 5, the first air duct case 6 includes a first front volute tongue 61 and a first rear volute tongue 62, one end of the first front volute tongue 61 is disposed close to the heat exchanger 2, and one end of the first front volute tongue 61 away from the heat exchanger 2 extends toward the first air outlet 11; one end of the first rear volute tongue 62 is also close to the heat exchanger 2, and one end of the first rear volute tongue 62 away from the heat exchanger 2 extends towards the first air outlet 11; the first rear volute tongue 62 is disposed opposite to the first front volute tongue 61 to define together the first air duct 14, so as to guide the air-conditioning air entering the first air duct 14 from the heat exchange air duct 16 to flow in the first air duct 16, so as to flow from the first air outlet 11 into the room; as shown in fig. 6 and 7, the first front volute tongue 61 includes a first guiding portion 613 and an air guiding portion 612, the first guiding portion 613 is disposed opposite to the first rear volute tongue 62, and the first guiding portion 613 extends from a direction close to the heat exchanger 2 toward the second air outlet 13 to guide the air-conditioned air in the first air duct 14 to flow, so that the air-conditioned air in the first air duct 14 flows from the first air outlet 11 into the room; the air guiding portion 612 is connected to the first guiding portion 613 and disposed near the heat exchange air duct 16, and is used for guiding the air-conditioned air in the heat exchange air duct 16 into the first air duct 14.
In the above-mentioned indoor unit of air conditioner, as shown in fig. 4 to 7, the second air duct case 7 includes a second front volute tongue 71 and a second rear volute tongue 72, one end of the second front volute tongue 71 is disposed close to the heat exchanger 2, and one end of the second front volute tongue 71 far away from the heat exchanger 2 extends toward the second air outlet 13; one end of the second rear volute tongue 72 is also close to the heat exchanger 2, and one end of the second rear volute tongue 72 away from the heat exchanger 2 extends towards the second air outlet 13; the second rear volute tongue 72 is disposed opposite to the second front volute tongue 71 to jointly define a second air duct 15, so as to guide the air-conditioning air in the heat exchange air duct 14 to enter the second air duct 15 and flow in the second air duct 15, and finally flow into the room from the second air outlet 13; it should be noted that the second front volute tongue 71 includes a second guiding portion 714, where the second guiding portion 714 is disposed opposite to the second rear volute tongue 72 and extends from a direction close to the heat exchanger 2 toward the second air outlet 13, so as to guide the air-conditioning air in the second air duct 15 to flow, so that the air-conditioning air in the second air duct 15 flows from the second air outlet 13 into the room.
In some embodiments, as shown in fig. 7, one end of the first guide portion 613 away from the first air outlet 11 and one end of the second guide portion 714 away from the second air outlet 13 are connected through a third connection portion 722, the third connection portion 722 is connected with a partition plate 8, the partition plate 8 is located at a connection position of the first air duct 14 and the second air duct 15, and one side of the partition plate 8 away from the third connection portion 722 extends towards the heat exchanger 2, so that air-conditioned air formed by heat exchange of the heat exchanger 2 is divided into two parts, and correspondingly enters the first air duct 14 and the second air duct 15, and the first air duct 14 and the second air duct 15 are blocked, so that air-conditioned air in the first air duct 14 cannot be discharged into a room from the second air outlet 13, air-conditioned air in the second air duct 15 is discharged into a room from the first air outlet 11, and further disorder of air-conditioned air in the first air duct 14 and air-conditioned air in the second air duct 15 are avoided, and the air-conditioned air in the second air duct 15 interacts with air-conditioned air in the second air duct 15 to reduce the air output.
In other embodiments, as shown in fig. 10 and 11, the third connecting portion 722 is provided with a limiting groove 7221, the limiting groove 7221 extends along the height direction of the casing 1, one side of the partition plate 8 away from the heat exchanger 2 is clamped into the limiting groove 7221, the bottom plate 17 is provided with a limiting hole, the bottom of the partition plate 8 is provided with a limiting portion, and the limiting portion is arranged in the limiting hole to position the connecting position of the partition plate 8 and the bottom plate 17; the baffle plate 8 is clamped into the limit groove 7221, and the limit part is arranged in the limit hole so as to position the installation position of the baffle plate 8; the partition plate 8 is further provided with a partition plate connecting member 81 on a side facing the third connecting portion 722, and the partition plate connecting member 81 is connected with the third connecting portion 722 by a fastener, so that the partition plate 8 is detachably connected with the third connecting portion 722, thereby facilitating replacement of the partition plate 8.
In order to facilitate the installation of the heat exchanger 2, as shown in fig. 5 and 6, one end of the first guide portion 613, which is far away from the induced air portion 612, is connected with a first connection portion 615, and defines a first installation cavity 611 together with the first connection portion 615, and the first installation cavity 611 is located outside the first air duct 14; the second guide part 714 is connected with a second connecting part 712 at one side facing away from the second air duct 15 and forms a second mounting cavity 711 together with the second connecting part, and the second mounting cavity 711 is positioned outside the second air duct 15; the second installation cavity 711 and the first installation cavity 611 are respectively positioned at two opposite sides of the width direction of the casing 1, and the heat exchanger 2 is installed in the first installation cavity 611 and the second installation cavity 711, so that not only can the installation firmness of the heat exchanger 2 be increased, but also the heat exchanger 2 can be arranged along the width direction of the casing 1, and because the first air duct 14 and the second air duct 15 are arranged along the width direction of the casing 1, the heat exchanger 2 is arranged along the width direction of the casing 1, and the air-conditioning air subjected to heat exchange treatment by the heat exchanger 2 can better and faster correspondingly enter the first air duct 14 and the second air duct 15; it should be further noted that, the first guide portion 613 is connected to the first connection portion 615 through the first transition portion 614, and a side of the first transition portion 614 facing the first air duct 14 is arc-shaped, so as to increase a contact area between the first transition portion 614 and air flowing out from the first air outlet 11, thereby reducing impact of the air on the first air outlet; the second guide portion 714 is connected to the second connection portion 712 through a second transition portion 713, and a side of the second transition portion 713 facing the second air duct 15 is arc-shaped to increase a contact area with the air flowing out from the second air outlet 13, thereby reducing impact of the air on the air.
In some embodiments, as shown in fig. 7, a connection plate 18 is connected to an end of the first connection portion 612 remote from the first guide portion 613, and the connection plate 18 is disposed opposite to the first guide portion 613 and connected to the heat exchanger 2, so as to facilitate mounting the heat exchanger 2 in the first mounting cavity 611, and increase the firmness of mounting the heat exchanger 2.
In practical application, as shown in fig. 8, due to the influence of the size of the first guide portion 613 and the installation position and structure of the heat exchanger 2, the windless area 9 is easily formed near the first through-flow fan 3, and the air-conditioning air entering the first air duct 14 from the heat exchange air duct 16 cannot flow through the windless area 9, so that part of blades of the first through-flow fan 3 do not participate in the operation of driving the air-conditioning air to flow, which definitely reduces the working efficiency of the first through-flow fan 3, and also reduces the air output of the air-conditioning indoor unit, thereby reducing the refrigerating or heating effect of the air-conditioning indoor unit and further affecting the user experience; therefore, as shown in fig. 9, the above-mentioned air conditioning indoor unit sets the flow guiding plate 5 between the heat exchanging air duct 16 and the windless zone 9, so as to guide the air conditioning air entering the first air duct 14 from the heat exchanging air duct 16, so that the air conditioning air entering the first air duct 14 from the heat exchanging air duct 16 can enter the windless zone 9 to contact with the blades of the first through-flow fan 3 in the windless zone 9, and further make the blades of the first through-flow fan 3 participate in the operation of driving the air conditioning air to flow as much as possible.
In the indoor unit of the air conditioner, as shown in fig. 4 to 6, the drainage plate 5 is located at the connection position between the heat exchange air duct 16 and the first air duct 14 and is located near the air inducing portion 612; a gap exists between the drainage plate 5 and the induced air part 612, so that air-conditioning air entering the first air duct 14 from the heat exchange air duct 16 enters the windless area 9 through the gap; it should be noted that, the drainage plate 5 and the air guiding portion 612 are disposed at an acute angle, and the maximum value of the range of the acute angle is 45 °, so that the air conditioner air entering the first air duct 14 from the heat exchange air duct 16 can be reliably led to the windless area 9 and can contact with the blades of the first through-flow fan 3 located in the windless area 9; it should be noted that, the maximum value of the gap size between the drainage plate 5 and the air inducing portion 612 is 10mm, and the drainage effect of the drainage plate 5 and the air inducing portion 612 is reduced when the distance is too large; it should be further noted that, the air inlet and outlet plate 5 is a plane or an arc shape disposed toward the bottom of the casing 1, and the air inlet and outlet portion 612 is also a plane or an arc shape disposed toward the bottom of the casing 1.
The working principle of the air conditioner indoor unit is as follows: indoor air enters a heat exchange air duct 16 from a shell air inlet 12 and is subjected to heat exchange treatment by a heat exchanger 2 to form air-conditioning air; by the operation of the first through-flow fan 3, a part of the air-conditioning air is introduced into the first air duct 14 by the action of the air-introducing portion 612; through the operation of the second cross flow fan 4, another air-conditioning air is introduced into the second air duct 15; the air-conditioning air introduced into the second air duct 15 flows into the room from the second air outlet 13 under the combined guiding action of the second front volute tongue 71 and the second rear volute tongue 72, exchanges heat with indoor air, and thus completes the refrigerating or heating function of the air-conditioning indoor unit; the air-conditioning air introduced into the first air duct 14 is split under the action of the flow guiding plate 5, most of the air-conditioning air in the first air duct 14 is directly contacted with the first through-flow fan 3, flows into the room from the first air outlet 11 through the action of the first through-flow fan 3, and the other small part of the air-conditioning air close to the windless area 9 enters the windless area 9 through the gap formed by the flow guiding plate 5 and the air guiding part 612 under the action of the flow guiding plate 5 and contacts with the blades of the first through-flow fan 3 positioned in the windless area 9, so that the blades of the first through-flow fan 3 positioned in the windless area 9 do work, the work of the first through-flow fan 3 participating in the air-conditioning air flowing into the room from the first air outlet 11 in the first air duct 14 is increased, the work efficiency of the first through-flow fan 3 is increased, and the air outlet of the first air outlet 11 is increased; and the wind resistance of the first through-flow fan 3 is enhanced, and abnormal sounds with large and small negligence are avoided.
The air conditioner indoor unit is provided with the first air duct 14 and the second air duct 15, and the first air duct 14 and the second air duct 15 are respectively communicated with the heat exchange air duct 16 so as to increase the air output of the air conditioner indoor unit; by providing the first front volute tongue 61 and the first rear volute tongue 62, the first front volute tongue 61 and the first rear volute tongue 62 are arranged opposite to each other to jointly define the first air duct 14, so that the air-conditioned air in the first air duct 14 is guided to flow; by arranging the drainage plate 5, air entering the first air channel 14 from the heat exchange air channel 16 is guided to enter the windless area 9, so that blades of the first through-flow fan 3 in the windless area 9 can participate in the operation of driving air to flow by the first through-flow fan 3, the working efficiency of the first through-flow fan 3 is increased, and the air outlet quantity flowing into a room from the first air channel 14 is increased.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. An air conditioning indoor unit, comprising:
the shell is provided with a shell air inlet, a first air outlet and a second air outlet; a heat exchange air duct communicated with the air inlet of the shell is formed in the shell;
the heat exchanger is arranged in the heat exchange air duct and is close to the shell air inlet;
the first air duct shell is arranged in the shell; the first air duct shell comprises a first front volute tongue and a first rear volute tongue, one end of the first front volute tongue is arranged close to the heat exchanger, and the other end of the first front volute tongue extends towards the first air outlet; one end of the first rear volute tongue is close to the heat exchanger, and the other end of the first rear volute tongue extends towards the first air outlet; the first rear volute tongue and the first front volute tongue are oppositely arranged and jointly define a first air channel communicated with the first air outlet and the heat exchange air channel;
the first through-flow fan is arranged in the first air channel and used for introducing air in the heat exchange air channel into the first air channel and flowing into a room from the first air outlet;
the second air duct shell is arranged in the shell, and a second air duct communicated with the second air outlet and the heat exchange air duct is arranged in the second air duct shell;
the second cross flow fan is arranged in the second air duct and used for introducing air in the heat exchange air duct into the second air duct and flowing into a room from the second air outlet;
the wind-free area is positioned in the first air duct and is close to the first through-flow fan, and part of blades of the first through-flow fan are positioned in the wind-free area;
the drainage plate is arranged at the communication part of the first air channel and the heat exchange air channel so as to guide air entering the first air channel from the heat exchange air channel to enter the windless area;
and after the air in the heat exchange air duct is introduced into the first air duct through the operation of the first through-flow fan, the air is introduced into the windless area through the drainage plate.
2. The indoor unit of claim 1, wherein the first front volute tongue includes an induced draft portion and a first guide portion, the induced draft portion being disposed proximate to the heat exchange air duct to introduce air in the heat exchange air duct into the first air duct; the first guiding part is connected to the induced air part and is opposite to the first rear volute tongue, and one end of the first guiding part, which is far away from the induced air part, extends towards the first air outlet.
3. The indoor unit of claim 2, wherein the flow guide plate is disposed adjacent to the air introduction portion with a gap therebetween such that air entering the first air duct from the heat exchange air duct is introduced into the windless region through the gap.
4. An indoor unit of an air conditioner according to claim 3, wherein the drainage plate and the induced air portion are disposed at an acute angle, and the maximum value of the acute angle is 45 °.
5. The indoor unit of claim 2, wherein the second air duct housing includes a second front volute tongue and a second rear volute tongue, one end of the second front volute tongue is disposed near the heat exchanger, and the other end of the second front volute tongue extends toward the second air outlet; one end of the second rear volute tongue is close to the heat exchanger, and the other end of the second rear volute tongue extends towards the second air outlet; the second rear volute tongue is arranged opposite to the second front volute tongue so as to jointly define the second air channel.
6. An air conditioning indoor unit according to claim 5, wherein the second front volute tongue includes a second guide portion that is disposed opposite the second rear volute tongue to cooperatively define the second air channel.
7. The indoor unit of claim 6, wherein a first connection portion is connected to an end of the first guide portion remote from the induced draft portion, and the first guide portion and the first connection portion together form a first installation cavity; the second guide part is connected with a second connecting part and forms a second installation cavity together with the second connecting part, and the heat exchanger is installed in the first installation cavity and the second installation cavity.
8. The indoor unit of claim 7, wherein an end of the first connection portion remote from the first guide portion is connected to a connection plate, and the connection plate is disposed opposite to the first guide portion and connected to the heat exchanger.
9. The indoor unit of claim 5, wherein an end of the first rear volute tongue away from the first air outlet is connected to an end of the second rear volute tongue away from the second air outlet through a third connection portion.
10. The indoor unit of claim 9, wherein the third connection portion is connected to a partition plate for separating the first air duct from the second air duct, and the partition plate is located at a connection portion between the first air duct and the second air duct and connected to the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320861242.4U CN219735460U (en) | 2023-04-17 | 2023-04-17 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320861242.4U CN219735460U (en) | 2023-04-17 | 2023-04-17 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219735460U true CN219735460U (en) | 2023-09-22 |
Family
ID=88055130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320861242.4U Active CN219735460U (en) | 2023-04-17 | 2023-04-17 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219735460U (en) |
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2023
- 2023-04-17 CN CN202320861242.4U patent/CN219735460U/en active Active
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