CN114623499B - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The present invention disclosed an air -conditioning indoor machine and air -conditioner. The air -conditioning indoor machine includes: the shell, the shell includes the first cavity, the second cavity, the air inlet, and the air outlet. The air outlet is located on the bottom wall of the shell. Connecting; the shooting of the shooting nozzle is set in the shell, the intake end of the shooting nozzle is connected to the exit end, and the output of the shooting nozzle is connected to the second cavity. In the case of satisfying the overall cooling capacity, the gas flow rate of the active heat exchange of the fan is reduced, and the operating noise of the fan is reduced.

Description

Air conditioner indoor unit and air conditioner

technical field

The invention relates to the technical field of household appliances, in particular to an air conditioner indoor unit and an air conditioner.

Background technique

At present, in the related art, the indoor unit of the air conditioner realizes air output through the fan, and if a certain cooling capacity is satisfied, the load of the fan is relatively large, so that the noise generated by the operation of the fan is relatively large.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

Therefore, the first aspect of the present invention provides an air conditioner indoor unit.

The second aspect of the present invention also provides an air conditioner.

In view of this, the first aspect of the present invention proposes an air conditioner indoor unit, comprising: a housing, the housing includes a first cavity, a second cavity, an air inlet and an air outlet, along the first direction, the air outlet is arranged on the bottom wall of the housing, along the second direction, the second cavity is located on both sides of the first cavity; a heat exchanger, the heat exchanger is arranged in the housing; a fan, the fan is arranged in the first cavity, the fan includes an inlet port and an outlet port, and the inlet port is connected to the air inlet; The air outlet end of the jet nozzle is connected with the second cavity; the first direction is perpendicular to the second direction, and the first direction is the direction of gravity.

In the air conditioner indoor unit provided by the present invention, a first cavity, a second cavity, and a heat exchanger are arranged in the casing, the second cavity is arranged on both sides of the first cavity, and a fan is arranged in the first cavity. When the fan is turned on, the air flows into the casing from the air inlet, enters the inlet end of the fan, and then flows to the jet nozzle through the outlet end of the fan, sprays into the second cavity through the jet nozzle, and then flows out of the casing through the air outlet connected to the second cavity to realize the air supply of the air conditioning indoor unit, which improves the air output of the air conditioning indoor unit. At the same time, the opening of the fan promotes The natural convection air volume is increased, and the natural convection air volume is increased. In this way, under the condition of satisfying the overall refrigeration capacity, the gas flow rate of the active heat exchange of the fan is reduced, thereby reducing the load of the fan, that is, while ensuring the cooling capacity, the operating noise of the fan is also reduced.

Further, at least a part of the heat exchanger is arranged in the second cavity. Wherein, part of the air enters the housing through the air inlet, enters the jet nozzle through the fan, sprays into the second cavity, and is discharged from the air outlet; part of the air passes through the air inlet, exchanges heat with a part of the heat exchanger located in the second cavity, and then is discharged through the air outlet.

According to the above air conditioner indoor unit provided by the present invention, it may also have the following additional technical features:

In the above technical solution, further, the indoor unit of the air conditioner further includes: a jet air duct, which communicates with the outlet end and the inlet end of the jet nozzle; wherein, along the air inflow direction, the cross-sectional area of the jet air duct decreases gradually.

In the above technical solution, further, the housing includes: a cover, the cover is provided with an air inlet; a base, the cover is arranged on the base, and the air outlet is opened on the base.

In the above technical solution, further, the base includes: a fan base, the fan is arranged on the fan base, and the fan base is provided with an air inlet and a first cavity; a heat exchanger base, the heat exchanger is arranged on the heat exchanger base, along the second direction, the heat exchanger base is located on both sides of the fan base, and is connected with the fan base, the cover is arranged on the heat exchanger base, the heat exchanger base and the cover form a second cavity, and at least a part of the heat exchanger is arranged in the second cavity.

In the above technical solution, further, the base further includes: a support plate, along the second direction, the support plate is arranged at both ends of the heat exchanger base body, and the two ends of the heat exchanger are respectively connected to the support plates on both sides.

In the above technical solution, further, the fan includes: a bracket, the bracket is arranged on the fan base, and the bracket and the fan base enclose a first cavity; a shunt structure, the shunt structure is installed on the bracket, and the shunt structure includes an installation cavity, an inlet port and an outlet port connected to the installation cavity, and the inlet end communicates with the first cavity; the impeller is arranged in the installation cavity.

In the above technical solution, further, the outlet ports are distributed on the peripheral side of the impeller, and the number of outlet ports is the same as the number of jet air ducts.

In the above technical solution, further, the air inlet includes: a jet air inlet, which is arranged on the first side wall of the fan seat body at intervals along the third direction, a part of the heat exchanger extends into the first cavity, and the jet air inlet communicates with the fan through the heat exchanger; the main air inlet is arranged on the opposite second side wall of the cover body along the third direction, and along the second direction, the main air inlet is located on both sides of the jet air inlet; and the main air inlet is arranged on the third side wall of the cover body along the second direction, and/or the top wall of the cover body; , the first direction, the second direction and the third direction are perpendicular to each other.

In the above technical solution, further, the top wall of the cover body is provided with a groove structure, and the jet air duct of the air conditioner indoor unit is arranged in the groove structure; wherein, the main air inlets provided on the top wall of the cover body are located on both sides of the groove structure.

In the above technical solution, further, the heat exchanger includes: a first heat exchange part, the first heat exchange parts are arranged at intervals along the third direction of the air conditioner indoor unit, a part of the first heat exchange part is arranged in the second cavity, and another part is arranged in the first cavity.

In the above technical solution, further, the heat exchanger further includes: a second heat exchange part, the second heat exchange part is arranged in the second cavity, and is located between the two first heat exchange parts, the second heat exchange part includes a plurality of heat exchange sections, the plurality of heat exchange sections are distributed along the third direction, and any heat exchange section is arranged obliquely relative to the first direction; wherein, the jet nozzle is arranged between the upper ends of two adjacent heat exchange sections, and between the first heat exchange part and the adjacent heat exchange section.

In the above technical solution, further, along the third direction, the heat exchanger sequentially forms a first heat exchange area and a second heat exchange area, the first heat exchange area and the second heat exchange area are arranged at intervals, and in the direction from the top of the shell to the bottom of the shell, the width of the first heat exchange area along the first direction gradually increases, and the width of the second heat exchange area along the first direction gradually decreases.

According to the second aspect of the present invention, an air conditioner is also provided, including: the air conditioner indoor unit provided by any one of the above technical solutions.

The air conditioner provided by the second aspect of the present invention has all the beneficial effects of the air conditioner indoor unit because it includes the air conditioner indoor unit proposed by any of the above technical solutions.

Additional aspects and advantages of the invention will become apparent in the description which follows, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and understandable from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 shows a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 2 shows another schematic structural view of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 3 shows another structural schematic diagram of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 4 shows a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 5 shows another schematic structural view of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 6 shows another schematic structural view of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 7 shows a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 8 shows another structural schematic diagram of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 9 shows another schematic structural view of an air conditioner indoor unit according to another embodiment of the present invention;

Fig. 10 shows a schematic diagram of a partial exploded structure of an air conditioner indoor unit according to an embodiment of the present invention.

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 10 is:

1 air conditioner indoor unit, 10 shell, 102 first cavity, 104 second cavity, 106 air inlet, 1060 jet air inlet, 1062 main air inlet, 108 air outlet, 12 heat exchanger, 120 first heat exchange part, 122 second heat exchange part, 124 heat exchange section, 126 first heat exchange area, 128 second heat exchange area, 14 fan, 140 bracket, 142 split structure, 1420 Inlet end, 1422 outlet end, 144 impeller, 16 jet nozzle, 18 jet duct, 20 cover body, 202 groove structure, 22 base, 220 fan base, 222 heat exchanger base, 224 support plate, 24 water tray.

Detailed ways

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than those described here. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below.

The air conditioner indoor unit 1 and the air conditioner according to some embodiments of the present invention will be described below with reference to FIGS. 1 to 10 .

Embodiment one:

According to an embodiment of the first aspect of the present invention, the present invention proposes an air conditioner indoor unit 1 , comprising: a casing 10 , a heat exchanger 12 , a fan 14 and a jet nozzle 16 .

The space where the air conditioner indoor unit 1 is located has a first direction, a second direction and a third direction perpendicular to each other. Specifically, the first direction is the direction of gravity, the second direction is the length direction of the housing 10, and the third direction is the width direction of the housing 10.

Wherein, as shown in Figure 1 and Figure 3, housing 10 comprises first chamber 102, second chamber 104, air inlet 106 and air outlet 108, and along first direction, air outlet 108 is arranged on the bottom wall of housing 10, along second direction, second chamber 104 is positioned at the both sides of first chamber 102; Heat exchanger 12 is arranged in housing 10; , the inlet port 1420 communicates with the air inlet 106 ; the jet nozzle 16 is arranged on the casing 10 , the inlet port of the jet nozzle 16 communicates with the outlet port 1422 , and the gas outlet port of the jet nozzle 16 communicates with the second cavity 104 .

Wherein, at least a part of the heat exchanger 12 is arranged in the second cavity 104, and part of the air flow enters the casing 10 through the air inlet 106, enters the jet nozzle 16 through the fan 14, and is sprayed into the second cavity 104, and is discharged from the air outlet 108; part of the air flow passes through the air inlet 106, and is discharged through the air outlet 108 after exchanging heat with the part of the heat exchanger 12 located in the second cavity 104.

In the air-conditioning indoor unit 1 provided by the present invention, a first cavity 102, a second cavity 104, and a heat exchanger 12 are arranged in the casing 10, at least a part of the heat exchanger 12 is arranged in the second cavity 104, the second cavity 104 is arranged on both sides of the first cavity 102, and a fan 14 is arranged in the first cavity 102. When the fan 14 is turned on, the air flows into the casing 10 through the air inlet 106, enters the inlet end 1420 of the fan 14, and then passes through the fan 14. The outlet end 1422 flows to the jet nozzle 16, sprays into the second cavity 104 through the jet nozzle 16, and then flows out of the casing 10 through the air outlet 108 communicating with the second cavity 104 to realize the air supply of the air conditioner indoor unit 1 and improve the air output of the air conditioner indoor unit 1. Opening promotes the natural convection inflow air volume, which in turn increases the natural convection outflow air volume. In this way, under the condition of satisfying the overall refrigeration capacity, the gas flow rate of the fan 14 for active heat exchange is reduced, thereby reducing the load of the fan 14, that is, while ensuring the cooling capacity, the operating noise of the fan 14 is also reduced. At the same time, the first cavity 102 is arranged in the middle of the two second cavities 104, and the fan 14 is arranged in the first cavity 102, so that the fan 14 supplies air to both sides at the same time, while ensuring the air supply range of the air-conditioning indoor unit 1, it reduces the air running path, ensures the wind strength at each position of the air-conditioning indoor unit 1, and makes reasonable use of the installation space, improving the rationality of the layout of the air-conditioning indoor unit 1.

In a specific application, the air conditioner indoor unit 1 at least includes a natural wind mode and a strong wind mode.

In the natural wind mode, the fan 14 is turned off, the air flow passes through the heat exchanger 12, and becomes cold air for cooling. The density of the cold air is higher than that of the air. Under the action of gravity, the cold air flows to the air outlet 108 below after exchanging heat, and finally enters the room through the air outlet 108 to cool. The indoor air is exchanged by natural convection, and the fan 14 is not required to work during the whole heat exchange process, thereby avoiding the noise generated by the fan 14 while ensuring a good heat exchange capacity.

In the strong wind mode, the fan 14 is turned on. Driven by the fan 14 , part of the air flow enters the casing 10 from the air inlet 106 , enters the second cavity 104 through the jet nozzle 16 , and then is discharged from the air outlet 108 . During this process, due to the driving of the fan 14, the gas is sprayed into the second cavity 104 by the jet nozzle 16, thereby accelerating the flow velocity of the gas in the second cavity 104, increasing the air output of the air-conditioning indoor unit 1, thereby strengthening the negative pressure effect in the second cavity 104, and increasing the air intake and output of the second cavity 104 during the natural convection process. The two air outlet methods of natural convection and natural convection further increase the air volume, and jet wind and natural convection can relatively enhance each other's air outlet effects, achieving a gain effect.

Further, a part of the heat exchanger 12 can be arranged in the first cavity 102. When the fan 14 is running, the airflow enters the first cavity 102 through the air inlet 106, and the heat is exchanged under the action of the heat exchanger 12 in the first cavity 102, and then sprayed into the second cavity 104 through the jet nozzle 16, thereby improving the cooling effect of the air conditioner indoor unit 1.

It can be understood that the air conditioner indoor unit 1 also includes a heating mode, and the fan 14 drives air to circulate between the room and the housing 10 , and at the same time, the heat exchange function of the heat exchanger 12 realizes the heating function of the air conditioner indoor unit 1 .

Further, the fan 14 simultaneously sends air to both sides, while ensuring the air supply range of the air-conditioning indoor unit 1, the air running path is reduced, the wind strength at each position of the air-conditioning indoor unit 1 is ensured, and the installation space is rationally used, which improves the rationality of the layout of the air-conditioning indoor unit 1.

It can be understood that the casing 10 may be in the shape of a cuboid or in other shapes, that is, the air conditioner indoor unit 1 may be designed in different shapes as required.

Embodiment two:

As shown in Fig. 2, Fig. 5, Fig. 8 and Fig. 10, according to an embodiment of the present invention, on the basis of the above-mentioned embodiments, further, the air conditioner indoor unit 1 further includes: a jet air duct 18, which communicates with the outlet end 1422 and the inlet end of the jet nozzle 16; wherein, along the air inflow direction, the cross-sectional area of the jet air duct 18 gradually decreases.

In this embodiment, the air conditioner indoor unit 1 further includes a jet air channel 18, which communicates with the jet nozzle 16, so that the air flows from the jet air channel 18 to the jet nozzle 16, and then from the jet nozzle 16 to the second cavity 104. Wherein, along the air inflow direction, the cross-sectional area of the jet air duct 18 gradually decreases. Driven by the fan 14, the air flow enters the housing 10 through the air inlet 106, enters the jet air duct 18 through the fan 14, and is finally sprayed out by a plurality of jet nozzles 16 on the jet air duct 18. Since the jet air duct 18 has a certain length, the flow rate of the gas will gradually decrease, and the pressure of the gas will also decrease. As a result, the intensity of the ejected gas from the jet nozzle 16 will gradually decrease. Therefore, by setting the jet air duct 18 to a shape with a gradually decreasing cross-sectional area, the volume of the jet air duct 18 will gradually decrease while the air flow in the jet air duct 18 is gradually reduced, so that the pressure of the gas in the air duct remains the same or similar, so that the air output of different parts of the air outlet 108 of the air conditioner indoor unit 1 remains the same or similar, and the air supply effect of the air conditioner indoor unit 1 is guaranteed.

Specifically, the cross-sectional shape of the jet nozzle 16 can be a circular hole, a strip hole or a polygonal hole, and the number of the jet nozzle 16 is multiple, or the jet nozzle 16 is a strip-shaped opening structure consistent with the extending direction of the jet air channel 18. By setting the jet nozzle 16, the injection velocity of the airflow entering the housing 10 can be further adjusted, and then injected into the cavity through the jet nozzle 16, so as to realize the effect of guiding the airflow of the natural convection into the wind, and accelerate the heat exchange efficiency.

Embodiment three:

As shown in FIG. 10 , according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the housing 10 includes: a cover body 20, the cover body 20 is provided with an air inlet 106;

In this embodiment, the casing 10 includes: a cover body 20 and a base 22 , the cover body 20 is disposed on the base 22 , and the air inlet 106 is opened on the cover body 20 . Air can enter the casing 10 through the cover 20 to participate in heat exchange, and at the same time, the cover 20 can also protect the heat exchanger 12 disposed inside the casing 10 . The air after heat exchange by the heat exchanger 12 will flow into the room through the air outlet 108 provided on the base 22 .

Embodiment four:

As shown in Figure 10, according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the base 22 includes: a fan base 220, the fan 14 is arranged on the fan base 220, and the fan base 220 is provided with an air inlet 106 and the first cavity 102; The fan base 220 is connected, the cover 20 is set on the heat exchanger base 222 , the heat exchanger base 222 and the cover 20 form a second cavity 104 , and at least a part of the heat exchanger 12 is disposed in the second cavity 104 .

In this embodiment, the base 22 includes a fan base body 220 and a heat exchanger base body 222, the heat exchanger base body 222 is connected to the fan base body 220, and is located on both sides of the fan base body 220, wherein the fan 14 is arranged on the fan base body 220, and the fan base body 220 is provided with an air inlet 106 and a first cavity 102. The blower fan 14 is arranged on the blower fan base 220 to realize the supporting effect to the blower fan 14. At the same time, the first cavity 102 is set on the fan base 220, the blower fan 14 is arranged in the first cavity 102, and the air inlet 106 is set on the fan base 220, so that the fan 14 directly sucks gas into the first cavity 102 through the air inlet 106 during operation, and further under the driving of the blower fan 14, the gas is delivered to the jet nozzle 16. Reasonable use of space makes the structure of the air conditioner indoor unit 1 more compact, facilitates installation and disassembly, and reduces the volume of the air conditioner indoor unit 1 .

Wherein, along the second direction, the heat exchanger base body 222 is located on both sides of the fan base body 220, the cover body 20 and the cover are arranged on the heat exchanger base body 222, and form a second cavity 104 with the heat exchanger base body 222, and the heat exchanger 12 is disposed on the heat exchanger base body 222, that is, the heat exchanger 12 is disposed in the second cavity body 104. Through the connection and cooperation of the cover body 20 and the heat exchanger base body 222, the cover body 20 protects the various components of the air conditioner indoor unit 1, and at the same time, the cover body 20 and the heat exchanger base body 222 directly form the second cavity 104, which rationally utilizes the structural characteristics of the air conditioner indoor unit 1, reduces the use of parts, makes the structure of the air conditioner indoor unit 1 more compact, and facilitates installation and disassembly.

Further, as shown in FIG. 1 , FIG. 4 , FIG. 7 and FIG. 10 , the base 22 also includes: a support plate 224, along the second direction, the support plate 224 is arranged at both ends of the heat exchanger base 222, and the two ends of the heat exchanger 12 are respectively connected to the support plates 224 on both sides.

In this embodiment, along the second direction, support plates 224 are provided at both ends of the heat exchanger base 222 , and the two ends of the heat exchanger 12 are respectively connected to the support plates 224 . Through the setting of the support plate 224 , on the one hand, it plays a supporting role for the heat exchanger 12 , ensuring the stability of the position of the heat exchanger 12 , thereby ensuring the uniformity of the heat exchange effect on the gas flowing through the heat exchanger 12 . On the other hand, through the positional cooperation between the support plate 224, the cover body 20 and the heat exchanger base body 222, the first cavity 102 and the second cavity 104 can also be isolated, so that when the fan 14 is running, the fan 14 is prevented from sucking the heat-exchanged air in the second cavity 104 into the first cavity 102 to reduce the heat exchange efficiency, thereby ensuring the operating efficiency of the air conditioner indoor unit 1.

Embodiment five:

As shown in Figure 10, according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the fan 14 includes: a bracket 140, the bracket 140 is arranged on the fan base 220, and the bracket 140 and the fan base 220 form a first cavity 102; 20 communicates with the first cavity 102; the impeller 144 is located in the installation cavity.

In this embodiment, the fan 14 further includes a support 140, a flow distribution structure 142 and an impeller 144, wherein the support 140 is arranged on the fan base 220, and forms the first cavity 102 with the fan base 220; the flow distribution structure 142 includes an installation cavity, and the inlet end 1420 of the installation cavity communicates with the first cavity 102; an impeller 144 is also arranged in the installation cavity. When the fan 14 is running, the driving device drives the impeller 144 to rotate, so that the air enters the first cavity 102 from the air inlet 106 and flows into the installation cavity, and then flows into the jet air duct 18 from the outlet end 1422 of the installation cavity. Furthermore, the air flows into the second cavity 104 through the jet nozzle 16 , and finally is discharged outside the air-conditioning indoor unit 1 through the air outlet 108 , thereby realizing the air circulation of the air-conditioning indoor unit 1 . Through the arrangement of the bracket 140, the flow distribution structure 142 and the impeller 144, the fan 14 can drive sufficient airflow into the air conditioner indoor unit 1 for heat exchange, and the airflow entering the air conditioner indoor unit 1 can quickly and evenly enter the corresponding second cavity 104 through the flow distribution structure 142, thereby ensuring the uniform distribution of the airflow driven by the fan 14 in the air conditioner indoor unit 1, and further ensuring the heat exchange effect of the air conditioner indoor unit 1.

Further, the outlet ports 1422 are distributed around the impeller 144 , and the number of the outlet ports 1422 is the same as the number of the jet air channels 18 .

In this embodiment, when the impeller 144 rotates, it drives the gas flow, and the gas flow velocity at the tip of the blade of the impeller 144 reaches the maximum. Therefore, by arranging the outlet end 1422 on the peripheral side of the impeller 144, the airflow can enter the outlet end 1422 when the speed is maximum, thereby ensuring the velocity of the gas flow and improving the efficiency of the air circulation. Specifically, a plurality of outlet ports 1422 may be arranged at the same distance along the circumference of the impeller 144 , so as to further improve the uniformity of the outlet ports 1422 . Among them, according to the number of jet air ducts 18, the number of outlet ports 1422 is set to be the same as the number of jet air ducts 18, so that each outlet port 1422 is connected to the inlet of one jet air duct 18, ensuring the uniformity of the air intake volume of multiple jet air ducts 18, thereby ensuring the uniformity of the air injection volume of each jet nozzle 16, and improving the heat exchange efficiency of the heat exchanger 12.

Embodiment six:

As shown in Fig. 2, Fig. 5 and Fig. 8, according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the air inlet 106 includes: a jet air inlet 1060, which is arranged on the first side wall of the fan base 220 arranged at intervals along the third direction, a part of the heat exchanger 12 extends into the first cavity 102, and the jet air inlet 1060 communicates with the fan 14 through the heat exchanger 12; The opposite second side wall, and along the second direction, the main air inlet 1062 is positioned at both sides of the jet air inlet 1060; and the main air inlet 1062 is located on the third side wall of the cover body 20 along the second direction, and/or the top wall of the cover body 20; wherein, the first direction, the second direction and the third direction are perpendicular to each other.

In this embodiment, the air inlet 106 includes a jet air inlet 1060 and a main air inlet 1062, wherein the jet air inlet 1060 is arranged on the first side wall of the fan base 220 spaced along the third direction, and a part of the heat exchanger 12 extends into the first cavity 102, and the jet air inlet 1060 communicates with the fan 14 through the heat exchanger 12. Specifically, when the fan 14 is running, the air flows into the first cavity 102 through the jet air inlet 1060 , and after passing through the heat exchange effect of the partial heat exchanger 12 arranged in the first cavity 102 , it is delivered to the jet air channel 18 through the fan 14 .

Wherein, the main air inlet 1062 is disposed on the second side wall opposite to the third direction on the cover body 20 , and the main air inlet 1062 is located on both sides of the jet air inlet 1060 . The gas in the second cavity 104 cools down and sinks under the action of the heat exchanger 12, and the air outside the second cavity 104 can directly enter the second cavity 104 through the main air inlet 1062, thereby realizing a natural convection cycle, so as to realize the cooling operation of the indoor unit 1 of the air conditioner without wind and noise.

Wherein, the main air inlet 1062 can also be arranged on the third side wall of the cover body 20 along the second direction, and/or on the top wall of the cover body 20 . In this way, the air inlet range is greatly increased, thereby increasing the air inlet volume and air outlet volume, and improving the heat exchange performance of the air conditioner indoor unit 1 .

Embodiment seven:

As shown in FIG. 10 , according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the top wall of the cover body 20 is provided with a groove structure 202 , and the jet air duct 18 of the air conditioner indoor unit 1 is arranged in the groove structure 202 ; wherein, the main air inlet 1062 provided on the top wall of the cover body 20 is located on both sides of the groove structure 202 .

In this embodiment, by setting the groove structure 202 on the top wall of the cover body 20, the jet air duct 18 can be connected with the cover body 20 through the groove structure 202, so that the jet air duct 18 is located inside the outline of the air conditioner indoor unit 1 as a whole, realizing the stable installation of the jet air duct 18 and ensuring the overall appearance of the air conditioner indoor unit 1. At the same time, the main air inlets 1062 on the top wall of the cover body 20 are arranged on both sides of the groove structure 202, so that air can directly enter the second cavity 104 from the main air inlets 1062 on both sides of the groove structure 202, ensuring the heat exchange effect of the heat exchanger 12 located in the middle, and improving the heat exchange efficiency of the air conditioner indoor unit 1.

Further, the cross-sectional area of the groove structure 202 can be set to gradually decrease along the air inflow direction of the jet air duct 18, matching the shape of the jet air duct 18, so that the structure of the air conditioner indoor unit 1 is more compact, and at the same time, the aesthetics of the air conditioner indoor unit 1 is guaranteed.

It can be understood that the cross-sectional area of the groove structure 202 is set to gradually decrease along the air inflow direction of the jet duct 18, so that the area of the parts on both sides of the groove structure 202 gradually increases. Correspondingly, the area of the main air inlet 1062 located on both sides of the groove structure 202 can be gradually increased along the direction of gas inflow, so that the space structure can be reasonably used to ensure the circulation efficiency of natural convection.

Embodiment eight:

As shown in FIG. 3 , FIG. 6 and FIG. 9 , according to an embodiment of the present invention, on the basis of any of the above-mentioned embodiments, further, the heat exchanger 12 includes: first heat exchange parts 120 , the first heat exchange parts 120 are arranged at intervals along the third direction of the air conditioner indoor unit 1 , a part of the first heat exchange parts 120 is arranged in the second cavity 104 , and the other part is arranged in the first cavity 102 .

In this embodiment, the heat exchanger 12 includes first heat exchange parts 120 arranged at intervals along the third direction of the air conditioner indoor unit 1, and a part of the first heat exchange part 120 is located in the second cavity 104, and the other part is located in the first cavity 102, so that the air entering the housing 10 through the jet air inlet 1060 and the main air inlet 1062 of the air conditioner indoor unit 1 can exchange heat with the first heat exchange part 120 and then be discharged from the housing 10 through the air outlet 108. Heat exchange effect.

Further, the heat exchanger 12 also includes: a second heat exchange part 122, the second heat exchange part 122 is arranged in the second cavity 104, and is located between the two first heat exchange parts 120, the second heat exchange part 122 includes a plurality of heat exchange sections 124, the plurality of heat exchange sections 124 are distributed along the third direction, and any heat exchange section 124 is arranged obliquely relative to the first direction; wherein, the jet nozzle 16 is arranged between the upper ends of two adjacent heat exchange sections 124, and the first heat exchange part 120 between the adjacent heat exchange section 124.

In this embodiment, the second cavity 104 further includes a second heat exchange portion 122, and the second heat exchange portion 122 is distributed along the third direction, and is located between two first heat exchange portions 120, and any heat exchange section 124 is inclined relative to the first direction. Under the condition that the volume of the housing 10 is determined, such an arrangement method improves the heat exchange efficiency, thereby improving the heat exchange capacity of the air conditioner indoor unit 1, and the oblique arrangement of the heat exchange section 124 can also make the condensed water flow down along the fins of the heat exchange section 124, avoid the condensed water from dripping directly, and facilitate the collection of the condensed water. By arranging the jet between the two heat exchange sections 124 and between the heat exchange section 124 and the adjacent first heat exchange section 120, the jet nozzle 16 can be tightly connected to the upper end of the heat exchange section 124, thereby preventing air from flowing into the casing 10 after exchanging heat between the heat exchange section 124 and the first heat exchange section 120, thereby ensuring the heat exchange efficiency of the air conditioner.

Further, by setting the heat exchange section 124 obliquely along the direction of gravity, the jet nozzle 16 and the air entering from the main air inlet 1062 on the top wall can gradually sink down on the outer wall of the heat exchange section 124 along the inclined direction, increasing the contact time between the gas and the heat exchange section 124, thereby further improving the utilization rate of heat energy of the heat exchange section 124, and further improving the operating efficiency of the air conditioner indoor unit 1 .

As shown in Fig. 3, Fig. 6 and Fig. 9, further, along the third direction, the heat exchanger 12 sequentially forms a first heat exchange area 126 and a second heat exchange area 128, the first heat exchange area 126 and the second heat exchange area 128 are arranged at intervals, from the top of the housing 10 to the bottom of the housing 10, the width of the first heat exchange area 126 along the first direction gradually increases, and the width of the second heat exchange area 128 along the first direction gradually decreases.

In this embodiment, along the third direction, the heat exchanger 12 sequentially forms a first heat exchange area 126 and a second heat exchange area 128. The first heat exchange area 126 and the second heat exchange area 128 are arranged at intervals and the width of the first heat exchange area 126 gradually increases from the top to the bottom of the shell 10, and the width of the second heat exchange area 128 gradually decreases from the top to the bottom of the shell 10. The fins flow down to avoid direct dripping of condensed water and facilitate the collection of condensed water.

Specifically, the cross section of the first heat exchange area 126 is an inverted V shape, and the cross section of the second heat exchange area 128 is V shape.

In this embodiment, inverted V-shape and V-shape refer to a general V-shape, or a V-like shape. On the one hand, the inverted V-shaped structure makes at least one of the two heat exchange sections 124 forming the first heat exchange area 126 inclined relative to the first direction, which increases the heat exchange area in the limited space of the housing 10; on the other hand, the inverted V-shaped structure facilitates the collection of condensed water and prevents condensed water from dripping on the bottom wall of the housing 10 or directly on the ground in the room.

Embodiment nine:

According to the second aspect of the present invention, an air conditioner is also proposed, including: the air conditioner indoor unit 1 as proposed in any one of the above embodiments.

The air conditioner provided by the second aspect of the present invention has all the beneficial effects of the air conditioner indoor unit 1 because it includes the air conditioner indoor unit 1 proposed in any of the above embodiments.

Further, the air conditioner also includes a control system, which can obtain the operating mode instruction of the air conditioner, and control the air conditioner indoor unit 1 to perform natural convection heat exchange according to the operating mode instruction, or to perform self-heating convective heat exchange and fan 14 active heat exchange together, so as to meet different needs of users and maximize user comfort.

Specifically, the air conditioner indoor unit 1 provided by the present invention can be applied to multiple products such as household air conditioners, multi-split central air conditioners, commercial air curtain machines, and indoor terminals of commercial air conditioners.

Embodiment ten:

According to a specific embodiment of the present invention, there is provided an integrated air conditioner indoor unit 1 combining jet active mode and natural convection passive mode, including a first cavity 102, a second cavity 104, an air inlet 106 and an air outlet 108. Along the first direction, the air outlet 108 is arranged on the bottom wall of the casing 10, and along the second direction, the second cavity 104 is located on both sides of the first cavity 102; the heat exchanger 12 is arranged in the casing 10, and at least a part of the heat exchanger 12 is arranged in the second cavity The fan 14 is located in the first cavity 102, the fan 14 includes an inlet port 1420 and an outlet port 1422, and the inlet port 1420 communicates with the air inlet 106; the jet nozzle 16 is arranged on the housing 10, the inlet port of the jet nozzle 16 communicates with the outlet port 1422, and the outlet port of the jet nozzle 16 communicates with the second cavity 104; The flow nozzle 16 sprays into the second cavity 104 and is discharged from the air outlet 108 ; part of the air flows through the air inlet 106 and is discharged through the air outlet 108 after exchanging heat with a part of the heat exchanger 12 located in the second cavity 104 .

Firstly, it is different from the traditional air conditioner indoor unit 1 in that the air conditioner indoor unit 1 proposed by the present invention has at least two working modes: a strong wind mode in which the fan 14 works and a natural wind mode in which the fan 14 does not work. In the natural wind mode where the fan 14 is not working, relying entirely on the special arrangement of the heat exchanger 12 and the parameter design of the heat exchanger 12 itself to strengthen the natural convection effect of the cold air sinking, to achieve a cooling effect without the noise of the fan 14 and the feeling of wind.

Specifically, in the strong wind mode, the fan 14 sucks the return air from the jet air inlet 1060 area and passes through the first heat exchanger 12 in the first cavity 102. After the return air is cooled (or heated), it sends air to both sides through the jet air channel 18 and is ejected through the jet to form a high-speed and low-pressure fluid area under the jet nozzle 16. The air mixes and enters the room downward from the air outlet 108 along the Z direction. Specifically, as shown in FIG. 1 to FIG. 3 , the first heat exchange part 120 and the second heat exchange part 122 form a first heat exchange area 126 , and after the fan 14 is turned on, the two-way single-jet air duct 18 realizes air supply. As shown in FIG. 4 to FIG. 6 , the first heat exchange part 120 and the second heat exchange part 122 form two first heat exchange areas 126 , and after the fan 14 is turned on, two-way double-jet air supply is realized. As shown in FIG. 7 to FIG. 9 , the first heat exchange part 120 and the second heat exchange part 122 form three first heat exchange areas 126 , and after the fan 14 is turned on, the two-way three-jet air duct 18 realizes air supply.

In the natural wind mode, the fan 14 does not work at all, so there is no jet air supply, and it depends entirely on the layout of the heat exchanger 12 area to produce sufficient heat exchange to enhance the sinking effect of the cold air and reduce the air flow resistance. The indoor return air will enter the indoor unit from the above-mentioned diverted air inlet 106 under the effect of natural convection, and then enter the indoor from the air outlet 108 downward along the Z direction, and the user can hardly feel the wind. At the same time, the indoor cooling is completed quietly.

Secondly, the difference is that the air conditioner indoor unit 1 of the present invention adopts the fan 14 placed in the middle to supply air jets to both sides, and uses the jets to guide the indoor return air to cool down through the heat exchanger 12 and then mix and send it out from below. The result of this is that the blower fan 14 only provides a small part of the total air volume, while the diverted return air can reach more than 60% of the total air flow, thereby reducing the load of the fan 14 while satisfying the total capacity, thereby also achieving the effect of reducing noise.

Further, in the first cavity 102, two blowers 14 can be set, so that the second cavity 104 on both sides is supplied with air by one blower 14, thereby further improving the blowing efficiency of the active heat exchange mode of the blower 14.

In order to achieve a better technical effect, the following points need to be met: 1. The heat exchanger 12 must be able to fully cover the main air inlet 1062 and the jet air inlet 1060 in the third direction and the first direction, so as to ensure that there will be no wind that does not flow through the heat exchanger 12; 2. The projection of the heat exchanger 12 in the first direction and the second direction should also cover the air circulation area as much as possible to ensure the best effect of air sinking under the two modes; The drip pan 24 of water, in order to avoid that condensed water is not collected and drips indoors.

The beneficial effects brought by the present invention are: the shape of the indoor unit 1 of the air conditioner can have both strong wind and natural wind operating modes. The strong wind mode can reduce the load of the air volume of the fan 14 when the total capacity is satisfied, and achieve the effect of reducing noise to a certain extent; the natural wind mode has no noise from the fan 14 at all, and uses the special arrangement of the heat exchanger 12 to achieve indoor wind-free cooling; the form of the air conditioner indoor unit 1 of the present invention uses the middle fan 14 to send air to both ends. The problem of excessive resistance and uneven jet distribution; this arrangement can also reduce the load on the fan 14 and improve the compactness of the overall structure.

In the present invention, the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "connection" can be a direct connection or an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (11)

1. An air-conditioning indoor unit, characterized in that, comprising: A housing, the housing includes a first cavity, a second cavity, an air inlet and an air outlet, the air outlet is arranged on the bottom wall of the housing along a first direction, and the second cavity is located on both sides of the first cavity along a second direction; a heat exchanger, the heat exchanger is arranged in the housing; A fan, the fan is arranged in the first cavity, the fan includes an inlet end and an outlet end, and the inlet end communicates with the air inlet; The jet nozzle is arranged on the housing, the inlet end of the jet nozzle communicates with the outlet end, and the outlet end of the jet nozzle communicates with the second cavity; The first direction is perpendicular to the second direction, and the first direction is the direction of gravity; a jet air duct, the jet air duct is in communication with the outlet end and the inlet end of the jet nozzle; Wherein, along the air inflow direction, the cross-sectional area of the jet air duct gradually decreases; The air flow flows from the jet air duct to the jet nozzle, and is sprayed from the jet nozzle to the second cavity; driven by the fan, the air enters the casing through the air inlet, enters the jet air duct through the fan, and is finally sprayed out by a plurality of the jet nozzles on the jet air duct; The heat exchanger includes: A first heat exchange part, the first heat exchange part is arranged at intervals along the third direction of the air-conditioning indoor unit, a part of the first heat exchange part is arranged in the second cavity, and another part is arranged in the first cavity; The third direction is the width direction of the housing. 2. The air-conditioning indoor unit according to claim 1, wherein the housing comprises: A cover body, the cover body is provided with the air inlet; The base, the cover is arranged on the base, and the air outlet is opened on the base. 3. The air conditioner indoor unit according to claim 2, wherein the base comprises: A fan base, the fan is arranged on the fan base, and the fan base is provided with the air inlet and the first cavity; The heat exchanger seat, the heat exchanger is arranged on the heat exchanger seat, along the second direction, the heat exchanger seat is located on both sides of the fan seat, and connected to the fan seat, the cover is set on the heat exchanger seat, the heat exchanger seat and the cover form the second cavity, and at least a part of the heat exchanger is arranged in the second cavity. 4. The air conditioner indoor unit according to claim 3, wherein the base further comprises: The support plate is arranged at both ends of the heat exchanger base along the second direction, and the two ends of the heat exchanger are respectively connected to the support plates on both sides. 5. The air conditioner indoor unit according to claim 4, wherein the fan comprises: A bracket, the bracket is arranged on the fan base, and the bracket and the fan base surround the first cavity; A shunt structure, the shunt structure is installed on the bracket, the shunt structure includes an installation cavity, the inlet end and the outlet end communicated with the installation cavity, and the inlet end communicates with the first cavity; The impeller is arranged in the installation cavity. 6. The air conditioner indoor unit according to claim 5, characterized in that: The outlet ports are distributed on the periphery of the impeller, and the number of the outlet ports is the same as the number of the jet air ducts. 7. The air conditioner indoor unit according to claim 4, wherein the air inlet comprises: The jet air inlet is provided on the first side wall of the fan seat body arranged at intervals along the third direction, a part of the heat exchanger is arranged in the first cavity, and the jet air inlet communicates with the fan through the heat exchanger; The main air inlet is arranged on the second side wall opposite to the cover body along the third direction, and along the second direction, the main air inlet is located on both sides of the jet air inlet; and The main air inlet is arranged on the third side wall of the cover body along the second direction, and/or the top wall of the cover body; Wherein, the first direction, the second direction and the third direction are perpendicular to each other. 8. The air conditioner indoor unit according to claim 7, characterized in that: The top wall of the cover body is provided with a groove structure, and the jet air duct of the air conditioner indoor unit is arranged in the groove structure; Wherein, the main air inlet provided on the top wall of the cover body is located on both sides of the groove structure. 9. The air conditioner indoor unit according to claim 1, wherein the heat exchanger further comprises: The second heat exchange part, the second heat exchange part is arranged in the second cavity and is located between the two first heat exchange parts, the second heat exchange part includes a plurality of heat exchange sections, the plurality of heat exchange sections are distributed along the third direction, and any one of the heat exchange sections is arranged obliquely relative to the first direction; Wherein, the jet nozzle is arranged between the upper ends of two adjacent heat exchange sections, and between the first heat exchange section and the adjacent heat exchange sections. 10. The air conditioner indoor unit according to claim 9, characterized in that: Along the third direction, the heat exchanger sequentially forms a first heat exchange area and a second heat exchange area, the first heat exchange area and the second heat exchange area are arranged at intervals, and in the direction from the top of the housing to the bottom of the housing, the width of the first heat exchange area gradually increases along the first direction, and the width of the second heat exchange area gradually decreases along the first direction. 11. An air conditioner, characterized in that it comprises: The air conditioner indoor unit according to any one of claims 1 to 10.