CN215112914U - Indoor unit of air conditioner - Google Patents

Abstract

An indoor unit of an air conditioner, comprising: a housing; the volute is arranged in the machine shell, a volute outlet is formed in the front side of the volute, a volute inlet is formed in the rear side of the volute, the volute inlet is communicated with the volute outlet to form an air channel, and a volute tongue is formed in the air channel outlet on the inner side wall of the air channel; wherein, the tangent line at the tail end of the volute tongue and the plane of the volute outlet form an included angle theta which satisfies the following conditions: theta is more than or equal to 53 degrees and less than or equal to 60 degrees. The technical effects of the utility model: the included angle between the tangent line at the tail end of the volute tongue and the volute outlet is set, theta is controlled to be larger than or equal to 53 degrees and smaller than or equal to 60 degrees, the air supply range of the volute outlet is enlarged, and the large air volume advantage is achieved.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

In the industry of the existing air conditioner, a volute tongue design scheme at the outlet of a volute of an indoor unit of the air conditioner has problems, the air output is reduced due to large wind resistance, the wind speed distribution is uneven, the indoor unit is easy to generate sudden and small air-breathing noise, particularly in the air conditioner refrigeration process, the phenomenon is more obvious, and the subjective auditory perception of a user is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an indoor unit of air conditioner provides the spiral shell tongue deflection angle of setting for the spiral case and is less than or equal to 60 theta 53 degrees during the main objective, and the air supply scope of increase spiral case export possesses big air volume advantage.

The embodiment of the utility model provides an in the air conditioning indoor unit, include: a housing; the volute is arranged in the machine shell, a volute outlet is formed in the front side of the volute, a volute inlet is formed in the rear side of the volute, the volute inlet is communicated with the volute outlet to form an air channel, and a volute tongue is arranged on the inner side wall of the air channel at the air channel outlet; wherein, the terminal tangent line of snail tongue has contained angle theta with the plane of spiral case export, and contained angle theta satisfies: theta is larger than or equal to 53 degrees and smaller than or equal to 60 degrees, the volute tongue deflection angle of the volute is set to be larger than or equal to 53 degrees and smaller than or equal to 60 degrees, the air supply range of the outlet of the volute is enlarged, and the large air volume advantage is achieved.

The utility model discloses an in the embodiment, the front side of casing is provided with the air outlet, and the spiral case export corresponds the air outlet, and the casing is provided with air deflection group in air outlet department, and air deflection group comprises a plurality of rotatable aviation baffles.

In an embodiment of the present invention, the plurality of air deflectors are equidistantly spaced to form the air deflector group.

In an embodiment of the present invention, the air guiding plate located at the center of the air guiding plate set corresponds to the center of the volute outlet.

In an embodiment of the present invention, when the air guiding plate rotates to be parallel to the direction of the air outlet, the air guiding plate is located at the initial position, and the air output of the air outlet is the largest.

In an embodiment of the present invention, the maximum angle of clockwise rotation of the air deflector from the initial position is 30 °.

In an embodiment of the present invention, the maximum counterclockwise rotation angle of the air deflector from the initial position is 23 °.

The utility model discloses an in the embodiment, be provided with the fan subassembly in the spiral case, the fan subassembly is used for driving the air current to flow from the air outlet.

The utility model discloses an in the embodiment, the rear side of casing is provided with the air intake, and the casing is provided with the heat exchanger in the inboard of air intake.

In an embodiment of the present invention, the spiral casing is a centrifugal spiral casing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view illustrating the maximum angle of the air deflector according to the embodiment of the present invention;

FIG. 5 is a schematic view of the maximum counterclockwise rotation angle of the air deflector according to the information of the present application;

1. a housing; 101. an air outlet; 102. an air inlet; 2. a heat exchanger; 3. a volute; 301. a volute inlet; 302. a volute outlet; 303. a volute tongue; 4. a fan assembly; 5. an air deflector.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A compressor, a condenser, an expansion valve, and a heat exchanger are provided in an air conditioner, and the air conditioner performs a refrigeration cycle of the air conditioner by using the compressor, the condenser, the expansion valve, and the heat exchanger. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and heat exchange, and supplies refrigerant to the air that has been conditioned and heat exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The heat exchanger exchanges heat of the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The heat exchanger may achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and the expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or a heat exchanger. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as a heat exchanger, the air conditioner is used as a cooler in a cooling mode.

Referring to fig. 1 to 5, in an embodiment of the present invention, an indoor unit of an air conditioner is provided, including a casing 1, a front side of the casing 1 is provided with an air outlet 101, the front side of the casing 1 faces a direction of a user to improve cooling and heating efficiency of the air conditioner, a rear side of the casing 1 is provided with an air inlet 102, generally, a rear side of the casing 1 is close to a wall, the air inlet 102 serves as an inlet for air to enter the indoor unit of the air conditioner, and when the air enters the casing 1 from the air inlet 102 and then flows out of the casing 1 from the air outlet 101.

The utility model discloses an in the embodiment, be provided with spiral case 3 in the casing 1, spiral case 3 has spiral case entry 301 and spiral case export 302, spiral case entry 301 corresponds the air intake 102 of casing 1, spiral case entry 301 of spiral case 3 is towards the rear side of casing 1, spiral case export 302 corresponds the air outlet 101 of casing 1, spiral case export 302 is towards the front side of casing 1, spiral case entry 301 and spiral case export 302 intercommunication form the wind channel, when the air gets into in the casing 1 from the rear side air intake 102 of casing 1, the air gets into in spiral case 3 from spiral case entry 301 of spiral case 3, leave spiral case 3 from spiral case export 302 of spiral case 3 again, air outlet 101 from casing 1 is to indoor air supply at last, consequently, spiral case 3 plays important effect at the in-process of air conditioner air supply.

The heat exchanger 2 is arranged at a position, close to the inner side of the air inlet 102, of the machine shell 1, when air enters an air channel of the volute 3 in the machine shell 1 from the air inlet 102, the heat exchanger 2 can exchange heat with the air firstly, and according to the working mode of the air conditioner, the air is cooled or heated so as to realize the cooling or heating function of the air conditioner, meanwhile, in order to drive the air to enter the air channel from the air inlet 102, the air channel leaves from the air outlet 101, the air channel of the volute 3 is provided with the fan assembly 4, when a fan in the fan assembly 4 rotates, the air can flow into the volute inlet 301 of the volute 3 from the air inlet 102 and leaves from the air outlet 101 under the rotating action of the fan assembly 4, and the indoor air supply function is realized.

In order to improve the air supply effect of machine in the air conditioning, the inside wall that is close to spiral case export 302 in the wind channel of spiral case 3 is provided with spiral tongue 303, and spiral tongue 303 can improve the air supply effect of machine in the air conditioning, has contained angle theta between the terminal tangent line of spiral tongue 303 and the spiral case export 302 of spiral case 3, and contained angle theta is the deflection angle of spiral tongue 303 in the embodiment of the utility model, the deflection angle of spiral tongue 303 has contained angle theta between the terminal tangent line of spiral tongue 303 and the spiral case export 302 of spiral case 3 promptly and satisfies: theta is larger than or equal to 53 degrees and smaller than or equal to 60 degrees, in the embodiment, the included angle theta is actually selected to be 56 degrees, the deflection angle of the volute tongue 303 of the volute 3 is designed to be 56 degrees, the deflection angle is larger than 45 degrees of the traditional volute tongue by about 11 degrees, the air supply range of the air outlet of the volute is enlarged, and the air volume increasing device has the advantage of large air volume.

The utility model discloses an in the embodiment, casing 1 is provided with guide plate group in air outlet 101 department, and guide plate group comprises a plurality of aviation baffles 5 in the embodiment of the utility model, guide plate group comprises five aviation baffles 5 equidistance intervals, wherein, is located the middle aviation baffle 5 of guide plate group and corresponds spiral case export 302 of spiral case 3, makes the center of the air-out scope of spiral case export 302 of spiral case 3 and the central point of aviation baffle 5 put the limit and is close to, increases the air output.

Furthermore, the air-conditioning indoor unit has an air supply angle adjusting function in the air supply process, the angle adjusting function is realized by rotating the angle of the air deflector 5, and when the air-conditioning indoor unit needs to supply air leftwards or rightwards, the air deflector 5 can be rotated clockwise or the air deflector 5 can be rotated anticlockwise to realize left and right air supply of the air-conditioning indoor unit.

When the wind deflector 5 is parallel to the direction of the wind outlet 101, the wind output of the wind outlet 101 is maximum, and after the wind deflector 5 rotates, the wind deflector 5 can block the airflow at the wind outlet 101, so as to reduce the wind output of the wind outlet 101, therefore, the rotation angle of the wind deflector 5 needs to be limited, so that the air-conditioning indoor unit has the function of supplying air from left to right, and simultaneously, the wind output of the wind outlet 101 of the air-conditioning indoor unit is ensured, in the embodiment of the utility model, the wind deflector 5 is rotatably arranged at the wind outlet 101 of the casing 1, when the air-conditioning indoor unit needs to supply air from left, the wind deflector 5 rotates clockwise, and the maximum angle of clockwise rotation is 30 degrees, when the air-conditioning indoor unit needs to supply air from left, the wind deflector 5 rotates counterclockwise, and the maximum angle of counterclockwise rotation is 23 degrees, by limiting the rotation angle of the wind deflector 5, the wind resistance at the wind outlet 101 of the air-conditioning indoor unit is reduced, the wind resistance is reduced to the minimum, the wind loss is reduced, the large wind quantity effect is indirectly ensured, and the wind guiding effect is enhanced.

In summary, the present invention is only a specific embodiment, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An indoor unit of an air conditioner, comprising:

a housing;

the volute is arranged in the machine shell, a volute outlet is formed in the front side of the volute, a volute inlet is formed in the rear side of the volute, the volute inlet is communicated with the volute outlet to form an air channel, and a volute tongue is formed in the air channel outlet on the inner side wall of the air channel;

wherein the content of the first and second substances,

the tangent line at the tail end of the volute tongue and the plane of the volute outlet form an included angle theta which satisfies the following conditions: theta is more than or equal to 53 degrees and less than or equal to 60 degrees.

2. An indoor unit of an air conditioner according to claim 1, wherein: the front side of the casing is provided with an air outlet, the volute outlet corresponds to the air outlet, the casing is provided with an air guide plate group at the air outlet, and the air guide plate group is composed of a plurality of rotatable air guide plates.

3. An indoor unit of an air conditioner according to claim 2, wherein: the air guide plates are formed by a plurality of air guide plates at equal intervals.

4. An indoor unit of an air conditioner according to claim 3, wherein: the air deflector positioned in the center of the air deflector group corresponds to the center of the volute outlet.

5. An indoor unit of an air conditioner according to claim 2, wherein: when the air deflector rotates to be parallel to the direction of the air outlet, the air deflector is in the initial position, and the air outlet volume of the air outlet is the largest.

6. An indoor unit of an air conditioner according to claim 5, wherein: the maximum angle of clockwise rotation of the air deflector from the initial position is 30 degrees.

7. An indoor unit of an air conditioner according to claim 5, wherein: the maximum angle of counterclockwise rotation of the air deflector from the initial position is 23 degrees.

8. An indoor unit of an air conditioner according to claim 1, wherein: and a fan assembly is arranged in the volute and is used for driving airflow to flow out of the air outlet.

9. An indoor unit of an air conditioner according to claim 1, wherein: the rear side of the shell is provided with an air inlet, and the inner side of the air inlet of the shell is provided with a heat exchanger.

10. An indoor unit of an air conditioner according to claim 1, wherein: the volute is a centrifugal volute.

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