CN114623499A - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN114623499A CN114623499A CN202011443334.8A CN202011443334A CN114623499A CN 114623499 A CN114623499 A CN 114623499A CN 202011443334 A CN202011443334 A CN 202011443334A CN 114623499 A CN114623499 A CN 114623499A
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- air
- cavity
- indoor unit
- heat exchanger
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
本发明公开了一种空调室内机和空调器，空调室内机包括：壳体，壳体包括第一腔体、第二腔体、进风口和出风口，出风口设于壳体的底壁，第二腔体位于第一腔体的两侧；换热器设于壳体内；风机设于第一腔体内，风机包括进口端和出口端，进口端与进风口相连通；射流喷嘴设置于壳体，射流喷嘴的进气端与出口端相连通，射流喷嘴的出气端与第二腔体相连通。在满足总体的制冷能力的情况下，减小了风机主动换热的气体流量，降低风机的运行噪音。
The invention discloses an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit includes a casing, the casing includes a first cavity, a second cavity, an air inlet and an air outlet, and the air outlet is arranged on the bottom wall of the casing, The second cavity is located on both sides of the first cavity; the heat exchanger is set in the shell; the fan is set in the first cavity, the fan includes an inlet end and an outlet end, and the inlet end is communicated with the air inlet; the jet nozzle is set in the shell The air inlet end of the jet nozzle communicates with the outlet end, and the air outlet end of the jet nozzle communicates with the second cavity. Under the condition of satisfying the overall cooling capacity, the gas flow rate of the fan for active heat exchange is reduced, and the running noise of the fan is reduced.
Description
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
At present, in the related art, air outlet of an indoor unit of an air conditioner is realized through a fan, and if the indoor unit of the air conditioner meets the condition of certain refrigerating capacity, the load of the fan is large, so that the noise generated by the operation of the fan is large.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention provides an air conditioning indoor unit.
The second aspect of the invention also provides an air conditioner.
In view of the above, a first aspect of the present invention provides an air conditioning indoor unit, including: the air outlet is arranged on the bottom wall of the shell along the first direction, and the second cavity is positioned on two sides of the first cavity along the second direction; the heat exchanger is arranged in the shell; the fan is arranged in the first cavity and comprises an inlet end and an outlet end, and the inlet end is communicated with the air inlet; the jet nozzle is arranged in the shell, the air inlet end of the jet nozzle is communicated with the outlet end, and the air outlet end of the jet nozzle is communicated with the second cavity; the first direction is perpendicular to the second direction, and the first direction is the gravity direction.
According to the air-conditioning indoor unit provided by the invention, the first cavity, the second cavity and the heat exchanger are arranged in the shell, the second cavity is arranged on two sides of the first cavity, the fan is arranged in the first cavity, when the fan is started, air flows into the shell from the air inlet, enters the inlet end of the fan, flows to the jet flow nozzle through the outlet end of the fan, is sprayed into the second cavity through the jet flow nozzle, and then flows out of the shell from the air outlet communicated with the second cavity, so that air supply of the air-conditioning indoor unit is realized, the air output of the air-conditioning indoor unit is increased, meanwhile, the natural convection air inlet quantity is promoted by starting the fan, and the natural convection air output quantity is increased. Therefore, the air flow of active heat exchange of the fan is reduced under the condition of meeting the overall refrigerating capacity, so that the load of the fan is reduced, and the running noise of the fan is also reduced while the refrigerating capacity is ensured.
Further, at least a portion of the heat exchanger is disposed within the second cavity. Part of the airflow enters the shell through the air inlet, enters the jet flow nozzle through the fan, is sprayed into the second cavity and is discharged from the air outlet; and part of the air flow is discharged through the air outlet after being subjected to heat exchange by the part of the heat exchanger positioned in the second cavity through the air inlet.
According to the air-conditioning indoor unit provided by the invention, the air-conditioning indoor unit further has the following additional technical characteristics:
in the above technical solution, further, the air-conditioning indoor unit further includes: the jet air duct is communicated with the outlet end and the air inlet end of the jet nozzle; wherein, along the air inflow direction, the cross-sectional area of efflux wind channel reduces gradually.
In the above technical solution, further, the housing includes: the cover body is provided with an air inlet; the cover body is arranged on the base, and the air outlet is formed in the base.
In the above technical solution, further, the base includes: the fan seat body is provided with an air inlet and a first cavity; the heat exchanger base body is arranged on the heat exchanger base body, the heat exchanger base body is arranged on two sides of the fan base body along the second direction and is connected with the fan base body, the cover body covers the heat exchanger base body, the heat exchanger base body and the cover body enclose to form a second cavity, and at least one part of the heat exchanger is arranged in the second cavity.
In the above technical solution, further, the base further includes: and the supporting plates are arranged at two ends of the heat exchanger seat body along the second direction, and two ends of the heat exchanger are respectively connected with the supporting plates at two sides.
In above-mentioned technical scheme, further, the fan includes: the bracket is arranged on the fan seat body, and the bracket and the fan seat body enclose to form a first cavity; the flow dividing structure is arranged on the support and comprises an installation cavity, an inlet end and an outlet end, wherein the inlet end is communicated with the installation cavity; the impeller is arranged in the mounting cavity.
In the above technical solution, further, the outlet ends are distributed on the peripheral side of the impeller, and the number of the outlet ends is the same as the number of the jet air ducts.
In the above technical solution, further, the air inlet includes: the jet air inlet is arranged on a first side wall of the fan seat body arranged at intervals along the third direction, one part of the heat exchanger extends into the first cavity, and the jet air inlet is communicated with the fan through the heat exchanger; the main air inlet is arranged on the second side wall of the cover body opposite to the third direction, and the main air inlet is positioned on two sides of the jet flow air inlet along the second direction; the main air inlet is formed in 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.
In the technical scheme, further, the top wall of the cover body is provided with a groove structure, and a jet flow air duct of the indoor unit of the air conditioner is arranged in the groove structure; wherein, the main air inlet arranged on the top wall of the cover body is positioned at two sides of the groove structure.
In the above technical solution, further, the heat exchanger includes: the first heat exchanging parts are arranged at intervals along the third direction of the indoor unit of the air conditioner, one part of the first heat exchanging parts is arranged in the second cavity, and the other part of the first heat exchanging parts is arranged in the first cavity.
In the above technical solution, further, the heat exchanger further includes: the second heat exchange part is arranged in the second cavity and is positioned between the two first heat exchange parts, the second heat exchange part comprises a plurality of heat exchange sections, the plurality of heat exchange sections are distributed along a third direction, and any heat exchange section is obliquely arranged relative to the first direction; the jet flow nozzle is arranged between the upper end parts of the 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 from the top of the housing to the bottom of the housing, 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, there is also provided an air conditioner comprising: the air conditioner indoor unit provided by any one of the technical schemes.
The air conditioner provided by the second aspect of the invention has all the beneficial effects of the air conditioner indoor unit because the air conditioner comprises the air conditioner indoor unit provided by any one of the technical schemes.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view showing a structure of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is another schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 3 is a schematic view showing still another structure of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic structural view showing an indoor unit of an air conditioner according to another embodiment of the present invention;
fig. 5 is a schematic view showing still another structure of an indoor unit of an air conditioner according to another embodiment of the present invention;
fig. 6 is a schematic view showing still another structure of an indoor unit of an air conditioner according to another embodiment of the present invention;
fig. 7 is a schematic structural view showing an indoor unit of an air conditioner according to still another embodiment of the present invention;
fig. 8 is another schematic structural view of an air conditioning indoor unit according to still another embodiment of the present invention;
fig. 9 is another schematic view showing the construction of an indoor unit of an air conditioner in accordance with still another embodiment of the present invention;
fig. 10 is a schematic view showing a partial explosion structure of an indoor unit of an air conditioner according to an embodiment of the present invention.
Wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 to 10 is as follows:
1 air-conditioning indoor unit, 10 shells, 102 a first cavity, 104 a second cavity, 106 air inlets, 1060 jet air inlets, 1062 a main air inlet, 108 air outlets, 12 heat exchangers, 120 a first heat exchange part, 122 a second heat exchange part, 124 heat exchange sections, 126 a first heat exchange area, 128 a second heat exchange area, 14 fans, 140 supports, 142 shunting structures, 1420 inlet ends, 1422 outlet ends, 144 impellers, 16 jet nozzles, 18 jet air ducts, 20 covers, 202 groove structures, 22 bases, 220 fan bases, 222 heat exchanger bases, 224 supporting plates and 24 water receiving trays.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
An air conditioning indoor unit 1 and an air conditioner according to some embodiments of the present invention will be described below with reference to fig. 1 to 10.
The first embodiment is as follows:
according to an embodiment of the first aspect of the present invention, the present invention proposes an air conditioning indoor unit 1 comprising: a housing 10, a heat exchanger 12, a fan 14, and a jet nozzle 16.
The space where the indoor unit 1 of the air conditioner is located is set to have a first direction, a second direction and a third direction which are perpendicular to each other, specifically, the first direction is a gravity direction, the second direction is a length direction of the casing 10, and the third direction is a width direction of the casing 10.
As shown in fig. 1 and fig. 3, the casing 10 includes a first cavity 102, a second cavity 104, an air inlet 106 and an air outlet 108, the air outlet 108 is disposed on the bottom wall of the casing 10 along a first direction, and the second cavity 104 is located on two sides of the first cavity 102 along a second direction; the heat exchanger 12 is arranged in the shell 10; the fan 14 is disposed in the first cavity 102, the fan 14 includes an inlet end 1420 and an outlet end 1422, the inlet end 1420 is communicated with the air inlet 106; the jet nozzle 16 is disposed in the housing 10, an air inlet end of the jet nozzle 16 is communicated with the outlet end 1422, and an air outlet end of the jet nozzle 16 is communicated with the second cavity 104.
At least one part of the heat exchanger 12 is arranged in the second cavity 104, and part of the air flow enters the housing 10 through the air inlet 106, enters the jet flow nozzle 16 through the fan 14, is sprayed into the second cavity 104, and is discharged from the air outlet 108; part of the airflow passes through the air inlet 106, exchanges heat with part of the heat exchanger 12 in the second cavity 104, and is discharged through the air outlet 108.
The invention provides an air-conditioning indoor unit 1, a first cavity 102, a second cavity 104 and a heat exchanger 12 are arranged in a shell 10, at least a part of the heat exchanger 12 is arranged in the second cavity 104, the second cavity 104 is arranged at two sides of the first cavity 102, a fan 14 is arranged in the first cavity 102, when the fan 14 is started, air flows into the shell 10 from an air inlet 106, enters an inlet end 1420 of the fan 14, flows to a jet nozzle 16 through an outlet end 1422 of the fan 14, is sprayed into the second cavity 104 through the jet nozzle 16, and then flows out of the shell 10 from an air outlet 108 communicated with the second cavity 104, so that air supply of the air-conditioning indoor unit 1 is realized, the air output of the air-conditioning indoor unit 1 is improved, meanwhile, under the action of the fan 14, negative pressure is formed in the shell 10, the air is promoted to enter the second cavity 104 from the air inlet 106 and exchange heat with the heat exchanger 12, namely, the opening of the fan 14 promotes natural convection air intake, thereby increasing the natural convection air output. Therefore, under the condition of meeting the overall refrigerating capacity, the gas flow of the active heat exchange of the fan 14 is reduced, so that the load of the fan 14 is reduced, and the running noise of the fan 14 is also reduced while the refrigerating capacity is ensured. Meanwhile, 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 two sides at the same time, the air supply range of the indoor air conditioner 1 is ensured, the air running path is reduced, the wind strength of each position of the indoor air conditioner 1 is ensured, the installation space is reasonably utilized, and the arrangement reasonability of the indoor air conditioner 1 is improved.
In a specific application, the air-conditioning indoor unit 1 at least comprises a natural wind mode and a strong wind mode.
Under the natural wind mode, fan 14 closes, and the air current becomes the cold air that is used for the refrigeration after heat exchanger 12, and cold air density is bigger than the air, and cold air heat transfer back flow direction below air outlet 108 under the effect of gravity finally gets into indoor by air outlet 108 and refrigerates, and the cold air flows out and forms the negative pressure in the back casing 10, and then continues to attract the air to flow into casing 10 from air intake 106, forms natural convection air circulation. The form through natural convection carries out the heat transfer for indoor air, and whole heat transfer process need not fan 14 work, and then under the circumstances of guaranteeing good heat transfer ability, has avoided the noise that fan 14 work produced.
In the strong wind mode, the fan 14 is turned on, and a part of the airflow enters the housing 10 from the air inlet 106, enters the second cavity 104 through the jet nozzle 16, and is then discharged from the air outlet 108 under the driving of the fan 14. In the process, due to the driving of the fan 14, the gas is sprayed into the second cavity 104 through the jet nozzle 16, so that the flowing speed of the gas in the second cavity 104 is increased, the air output of the air-conditioning indoor unit 1 is increased, further, the negative pressure effect in the second cavity 104 is enhanced, the air inlet amount and the air output amount of the second cavity 104 in the natural convection process are increased, that is, when the fan 14 is started, the air outlet of the air-conditioning indoor unit 1 comprises jet wind and natural convection wind, the air output amount is further increased through two air outlet modes of the jet wind and the natural convection wind, the air outlet effects of the jet wind and the natural convection wind can be relatively improved, and the effect of gain is achieved.
Further, a part of the heat exchanger 12 may be disposed in the first cavity 102, and when the fan 14 operates, the airflow enters the first cavity 102 through the air inlet 106, exchanges heat under the action of the heat exchanger 12 in the first cavity 102, and is sprayed into the second cavity 104 through the jet nozzle 16, so that the refrigeration effect of the indoor unit 1 of the air conditioner is improved.
It can be understood that the indoor unit 1 further includes a heating mode, and air is driven by the fan 14 to circulate between the indoor space and the casing 10, and the heating function of the indoor unit 1 is realized by the heat exchange function of the heat exchanger 12.
Furthermore, the fans 14 supply air to two sides simultaneously, so that the air supply range of the indoor unit 1 of the air conditioner is ensured, the running path of the air is reduced, the wind strength of each position of the indoor unit 1 of the air conditioner is ensured, the installation space is reasonably utilized, and the arrangement reasonability of the indoor unit 1 of the air conditioner is improved.
It is understood that the casing 10 may have a rectangular parallelepiped shape, or may have other shapes, that is, the air conditioning indoor unit 1 may be designed into different shapes according to needs.
Example two:
as shown in fig. 2, 5, 8 and 10, according to an embodiment of the present invention, in addition to the above embodiment, the air conditioning indoor unit 1 further includes: a jet air duct 18, the jet air duct 18 communicating with the outlet end 1422 and the air inlet end of the jet nozzle 16; wherein the cross-sectional area of the jet duct 18 gradually decreases in the air inflow direction.
In this embodiment, the indoor unit 1 further includes a jet air duct 18, and the jet air duct 18 is communicated with the jet nozzle 16, so that the air flow flows from the jet air duct 18 to the jet nozzle 16, and then is sprayed 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 is gradually reduced, under the driving of the fan 14, the air flow enters the casing 10 through the air inlet 106, enters the jet air duct 18 through the fan 14, and is finally sprayed out from the plurality of jet nozzles 16 on the jet air duct 18, because the jet air duct 18 has a certain length, the flow rate of the air is gradually reduced from one end of the jet air duct 18 close to the fan 14 to one end of the jet air duct far away from the fan 14, the pressure of the air is also reduced, so that the strength of the gas sprayed out from the jet nozzles 16 is gradually reduced, therefore, by setting the jet air duct 18 into the shape with the gradually reduced cross-sectional area, the volume of the jet air duct 18 is gradually reduced while the air flow in the jet air duct 18 is gradually reduced, further, the pressure of the air in the air duct is kept the same or similar, and the air output of different parts of the air outlet 108 of the indoor unit 1 is kept the same or similar, the air supply effect of the indoor unit 1 of the air conditioner is ensured.
Specifically, the cross sectional shape of jet nozzle 16 can be circular port, bar hole or multilateral hole to jet nozzle 16's quantity is a plurality of, and perhaps jet nozzle 16 is a strip-shaped open structure along the extension direction unanimity of efflux wind channel 18, through setting up jet nozzle 16, can further adjust the jet velocity of the air current that gets into casing 10, and the rethread jet nozzle 16 jets into the cavity, realizes carrying out the effect of water conservancy diversion to the air current of natural convection air inlet, accelerates heat exchange efficiency.
Example three:
as shown in fig. 10, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the housing 10 includes: the cover body 20, the cover body 20 has air intakes 106; the base 22, the cover 20 are disposed on the base 22, and the air outlet 108 is opened on the base 22.
In this embodiment, the housing 10 includes: the air conditioner comprises a cover body 20 and a base 22, wherein the cover body 20 is arranged on the base 22, and an air inlet 106 is formed in the cover body 20. Air can enter the housing 10 through the cover 20 to exchange heat, and the cover 20 can protect the heat exchanger 12 disposed inside the housing 10. The air flow after heat exchange by the heat exchanger 12 flows into the room through the air outlet 108 formed on the base 22.
Example four:
as shown in fig. 10, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the base 22 includes: the fan base 220 is provided with a fan 14, the fan base 220 is provided with an air inlet 106 and a first cavity 102; the heat exchanger base 222 and the heat exchanger 12 are disposed on the heat exchanger base 222, the heat exchanger base 222 is disposed on two sides of the fan base 220 along the second direction and connected to the fan base 220, the cover 20 is covered on the heat exchanger base 222, the heat exchanger base 222 and the cover 20 enclose the second cavity 104, and at least a portion of the heat exchanger 12 is disposed in the second cavity 104.
In this embodiment, the base 22 includes a blower housing 220 and a heat exchanger housing 222, the heat exchanger housing 222 is connected to the blower housing 220 and is located at two sides of the blower housing 220, wherein the blower 14 is disposed on the blower housing 220, and the blower housing 220 is provided with the air inlet 106 and the first cavity 102. The fan 14 is arranged on the fan base 220 to support the fan 14, meanwhile, the first cavity 102 is arranged on the fan base 220, the fan 14 is arranged in the first cavity 102, and the air inlet 106 is formed in the fan base 220, so that when the fan 14 operates, air is directly sucked into the first cavity 102 through the air inlet 106, and further, the air is conveyed to the jet nozzle 16 under the driving of the fan 14. The space is reasonably utilized, so that the structure of the indoor unit 1 of the air conditioner is more compact, the indoor unit 1 of the air conditioner is convenient to mount and dismount, and the size of the indoor unit 1 of the air conditioner is reduced.
Along the second direction, the heat exchanger base 222 is located at two sides of the fan base 220, the cover 20 and the heat exchanger base 222 are covered on the heat exchanger base 222 and enclose with the heat exchanger base 222 to form the second cavity 104, the heat exchanger 12 is disposed on the heat exchanger base 222, that is, the heat exchanger 12 is disposed in the second cavity 104. Through the connection cooperation of the cover body 20 and the heat exchanger base body 222, when all parts of the air-conditioning indoor unit 1 are protected through the cover body 20, the cover body 20 and the heat exchanger base body 222 directly enclose the second cavity 104, the structural characteristics of the air-conditioning indoor unit 1 are reasonably utilized, the use of parts is reduced, the structure of the air-conditioning indoor unit 1 is more compact, and the air-conditioning indoor unit 1 is convenient to install and detach.
Further, as shown in fig. 1, 4, 7 and 10, the base 22 further includes: and support plates 224, wherein the support plates 224 are disposed at two ends of the heat exchanger base 222 along the second direction, and two ends of the heat exchanger 12 are respectively connected to the support plates 224 at two sides.
In this embodiment, the two ends of the heat exchanger housing 222 are further provided with supporting plates 224 along the second direction, and the two ends of the heat exchanger 12 are respectively connected with the supporting plates 224. Through the setting of backup pad 224, on the one hand, play the supporting role to heat exchanger 12, guaranteed the stability in heat exchanger 12 position to guaranteed the homogeneity to the gas heat transfer effect of flowing through heat exchanger 12. On the other hand, the first cavity 102 and the second cavity 104 can be isolated by the position matching between the support plate 224 and the cover body 20 and the heat exchanger seat body 222, so that when the fan 14 operates, the fan 14 is prevented from sucking the air after heat exchange in the second cavity 104 into the first cavity 102 to reduce the heat exchange efficiency, and the operating efficiency of the indoor unit 1 of the air conditioner is ensured.
Example five:
as shown in fig. 10, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the wind turbine 14 includes: the bracket 140, the bracket 140 is arranged on the fan seat body 220, and the bracket 140 and the fan seat body 220 enclose to form a first cavity 102; the flow dividing structure 142 is mounted on the support 140, the flow dividing structure 142 comprises a mounting cavity, an inlet end 1420 and an outlet end 1422, the inlet end 1420 is communicated with the mounting cavity, and the inlet end 1420 is communicated with the first cavity 102; and an impeller 144 disposed in the mounting cavity.
In this embodiment, the fan 14 further includes a bracket 140, a flow dividing structure 142, and an impeller 144, wherein the bracket 140 is disposed on the fan housing 220 and encloses with the fan housing 220 to form the first cavity 102; the flow splitting structure 142 includes a mounting cavity, an inlet end 1420 of the mounting cavity being in communication with the first cavity 102; an impeller 144 is also disposed within the mounting cavity. When the blower 14 is operated, the impeller 144 is driven by the driving device to rotate, so that air enters the first cavity 102 from the air inlet 106, flows into the installation cavity, and then flows into the jet duct 18 from the outlet end 1422 of the installation cavity. Further, the airflow is sprayed into the second cavity 104 through the jet nozzle 16, and finally discharged out of the indoor unit 1 through the air outlet 108, thereby realizing air circulation of the indoor unit 1. Through the arrangement of the bracket 140, the flow dividing structure 142 and the impeller 144, the fan 14 can drive enough airflow to enter the indoor unit 1 of the air conditioner for heat exchange, and the airflow entering the indoor unit 1 of the air conditioner can rapidly and uniformly enter the corresponding second cavity 104 through the flow dividing structure 142, so that the uniform distribution of the airflow driven by the fan 14 in the indoor unit 1 of the air conditioner is ensured, and the heat exchange effect of the indoor unit 1 of the air conditioner is further ensured.
Further, the outlet ports 1422 are distributed on the peripheral side of the impeller 144, and the number of the outlet ports 1422 is the same as that of the jet ducts 18.
In this embodiment, when the impeller 144 rotates, the gas is driven to flow, and the gas flow speed at the blade end of the impeller 144 reaches the maximum, so that the outlet end 1422 is disposed on the periphery of the impeller 144, so that the gas flow enters the outlet end 1422 at the maximum speed, thereby ensuring the gas flow speed and improving the gas flow circulation efficiency. Specifically, the outlet ends 1422 may be arranged at the same interval along the circumferential side of the impeller 144, so as to further improve the uniformity of the outlet air of the outlet ends 1422. According to the number of the jet air ducts 18, the number of the outlet ends 1422 is set to be the same as that of the jet air ducts 18, so that each outlet end 1422 is communicated with an inlet of one jet air duct 18, the uniformity of the air intake of the jet air ducts 18 is ensured, the uniformity of the air injection amount of each jet nozzle 16 is ensured, and the heat exchange efficiency of the heat exchanger 12 is improved.
Example 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 embodiments, further, the intake vent 106 includes: the jet air inlet 1060 is arranged on a first side wall of the fan seat body 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 is communicated with the fan 14 through the heat exchanger 12; the main air inlet 1062 is disposed on a second sidewall of the cover 20 opposite to the third direction, and in the second direction, the main air inlet 1062 is located at two sides of the jet air inlet 1060; the main air inlet 1062 is formed in a third side wall of the housing 20 along the second direction and/or a top wall of the housing 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 disposed on a first side wall of the fan housing 220 spaced along the third direction, a portion of the heat exchanger 12 extends into the first cavity 102, and the jet air inlet 1060 is communicated with the fan 14 through the heat exchanger 12. Specifically, when the fan 14 is in operation, the airflow enters the first cavity 102 through the jet air inlet 1060, and is conveyed to the jet air duct 18 through the fan 14 after the heat exchange action of the partial heat exchanger 12 arranged in the first cavity 102.
The main air inlet 1062 is disposed on a second side wall of the cover 20 opposite to the third direction, and the main air inlet 1062 is located at two sides of the jet air inlet 1060. The air in the second cavity 104 is cooled 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, so that the circulation of natural convection is realized, and the non-wind-sensing and non-noise refrigeration operation of the indoor unit 1 of the air conditioner is realized.
The main air inlet 1062 may also be disposed on a third side wall of the housing 20 along the second direction, and/or on a top wall of the housing 20. Therefore, the air inlet range is greatly increased, the air inlet amount and the air outlet amount are increased, and the heat exchange performance of the indoor unit 1 of the air conditioner is improved.
Example seven:
as shown in fig. 10, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the top wall of the cover 20 is provided with a groove structure 202, and the jet air duct 18 of the indoor unit 1 of the air conditioner is provided in the groove structure 202; wherein, the main air inlets 1062 disposed on the top wall of the housing body 20 are disposed on two sides of the groove structure 202.
In this embodiment, the groove structure 202 is disposed on the top wall of the cover 20, and the jet air duct 18 and the cover 20 can be connected through the groove structure 202, so that the jet air duct 18 is integrally located inside the contour of the indoor unit 1 of the air conditioner, and the overall beauty of the indoor unit 1 of the air conditioner is ensured while the jet air duct 18 is stably installed. Meanwhile, the main air inlets 1062 located on the top wall of the cover body 20 are disposed on two sides of the groove structure 202, so that air can directly enter the second cavity 104 through the main air inlets 1062 on two sides of the groove structure 202, thereby ensuring the heat exchange effect of the heat exchanger 12 located in the middle, and improving the heat exchange efficiency of the indoor unit 1 of the air conditioner.
Further, the cross-sectional area of the groove structure 202 can be gradually reduced along the air inflow direction of the jet air duct 18 and is matched with the shape of the jet air duct 18, so that the structure of the air-conditioning indoor unit 1 is more compact, and meanwhile, the attractiveness of the air-conditioning indoor unit 1 is ensured.
It can be understood that the cross-sectional area of the groove structure 202 is gradually reduced along the air inflow direction of the jet air duct 18, so that the areas of the portions at the two sides of the groove structure 202 are gradually increased, and correspondingly, the areas of the main air inlets 1062 at the two sides of the groove structure 202 can be gradually increased along the air inflow direction, so that the space structure is reasonably utilized, and the circulation efficiency of natural convection is ensured.
Example eight:
as shown in fig. 3, 6 and 9, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the heat exchanger 12 includes: the first heat exchanging portions 120 are arranged at intervals along a third direction of the indoor unit 1 of the air conditioner, a part of the first heat exchanging portions 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 the first heat exchanging portions 120 arranged at intervals along the third direction of the indoor unit 1, and a part of the first heat exchanging portions 120 is located in the second cavity 104, and another part is located in the first cavity 102, so that air entering the casing 10 from the jet air inlet 1060 and the main air inlet 1062 of the indoor unit 1 can exchange heat with the first heat exchanging portion 120 and then is discharged out of the casing 10 from the air outlet 108, thereby improving the heat exchange effect.
Further, the heat exchanger 12 further includes: the second heat exchanging part 122 is arranged in the second cavity 104 and located between the two first heat exchanging parts 120, the second heat exchanging part 122 comprises a plurality of heat exchanging sections 124, the plurality of heat exchanging sections 124 are distributed along a third direction, and any heat exchanging section 124 is obliquely arranged relative to the first direction; wherein the jet nozzles 16 are arranged between the upper ends of two adjacent heat exchange sections 124 and between the first heat exchanging part 120 and the adjacent heat exchange section 124.
In this embodiment, in the second cavity 104, a second heat exchanging portion 122 is further included, and the second heat exchanging portion 122 is distributed along a third direction and located between two first heat exchanging portions 120, and any heat exchanging section 124 is disposed obliquely with respect to the first direction. According to the arrangement mode, under the condition that the volume of the shell 10 is determined, the heat exchange efficiency is improved, the heat exchange capacity of the air conditioner indoor unit 1 is further improved, in addition, the mode that the heat exchange section 124 is obliquely arranged can also enable condensed water to flow down along the fins of the heat exchange section 124, the condensed water is prevented from directly dropping, and the collection of the condensed water is facilitated. Through setting up efflux gunning between two heat transfer sections 124 and between heat transfer section 124 and adjacent first heat transfer portion 120, can be so that efflux nozzle 16 and the upper end zonulae occludens of heat transfer section 124, and then avoid the air not flow into casing 10 after heat transfer through heat transfer section 124 and first heat transfer portion 120, guaranteed the heat exchange efficiency of air conditioner.
Further, the heat exchange section 124 is arranged in an inclined manner along the gravity direction, so that the air entering the jet nozzle 16 and the main air inlet 1062 on the top wall can gradually sink down along the inclined direction on the outer wall of the heat exchange section 124, the contact time between the air and the heat exchange section 124 is increased, the utilization rate of heat energy of the heat exchange section 124 is further improved, and the operation efficiency of the indoor unit 1 of the air conditioner is further improved.
As shown in fig. 3, 6 and 9, further, the heat exchanger 12 sequentially forms a first heat exchange region 126 and a second heat exchange region 128 along the third direction, the first heat exchange region 126 and the second heat exchange region 128 are arranged at intervals, and the width of the first heat exchange region 126 along the first direction gradually increases and the width of the second heat exchange region 128 along the first direction gradually decreases from the top of the casing 10 to the bottom of the casing 10.
In this embodiment, along the third direction, the heat exchanger 12 sequentially forms a first heat exchange region 126 and a second heat exchange region 128, the first heat exchange region 126 and the second heat exchange region 128 are arranged at intervals, the width of the first heat exchange region 126 gradually increases from the top to the bottom of the casing 10, and the width of the second heat exchange region 128 gradually decreases from the top to the bottom of the casing 10, that is, the first heat exchange region 126 gradually decreases from bottom to top, so that the condensed water on the first heat exchange section 124 flows down along the fins, and the condensed water is prevented from directly dropping, which is convenient for collecting the condensed water.
Specifically, the first heat transfer zone 126 is in the form of an inverted V-shaped cross-section and the second heat transfer zone 128 is in the form of a V-shaped cross-section.
In this embodiment, inverted V-shapes and V-shapes refer to substantially V-shapes, or V-like shapes. In one aspect, the inverted V-shaped configuration such that at least one of the two heat exchange sections 124 forming the first heat exchange zone 126 is disposed obliquely with respect to the first direction increases the heat exchange area within the limited space of the shell 10; on the other hand, the inverted V-shaped structure facilitates the collection of the condensed water, and prevents the condensed water from dripping on the bottom wall of the housing 10 or directly on the indoor floor.
Example nine:
according to the second aspect of the present invention, there is also provided an air conditioner comprising: an air conditioning indoor unit 1 according to any of the embodiments described above.
The air conditioner provided by the second aspect of the present invention includes the air conditioning indoor unit 1 according to any of the embodiments described above, and therefore, has all the advantages of the air conditioning indoor unit 1.
Further, the air conditioner also comprises a control system, the control system can acquire a working mode instruction of the air conditioner, and controls the air conditioner indoor unit 1 to carry out natural convection heat exchange or carry out self-heating convection heat exchange and fan 14 active heat exchange together according to the working mode instruction, so as to meet different requirements of users and improve the comfort level of the users to the maximum extent.
Specifically, the air-conditioning indoor unit 1 provided by the invention can be applied to a plurality of products such as household air conditioners, central air-conditioning multi-split air conditioners, commercial air curtains, commercial air-conditioning indoor terminals and the like.
Example ten:
according to an embodiment of the present invention, an integrated air conditioning indoor unit 1 combining a jet active mode and a natural convection passive mode is provided, including a first cavity 102, a second cavity 104, an air inlet 106, and an air outlet 108, where along a first direction, the air outlet 108 is disposed on a bottom wall of the casing 10, and along a second direction, the second cavity 104 is located on two sides of the first cavity 102; the heat exchanger 12 is arranged in the shell 10, and at least one part of the heat exchanger 12 is arranged in the second cavity 104; the fan 14 is disposed in the first cavity 102, the fan 14 includes an inlet end 1420 and an outlet end 1422, the inlet end 1420 is communicated with the air inlet 106; the jet nozzle 16 is arranged in the housing 10, an air inlet end of the jet nozzle 16 is communicated with the outlet end 1422, and an air outlet end of the jet nozzle 16 is communicated with the second cavity 104; wherein, part of the air flow enters the housing 10 through the air inlet 106, enters the jet nozzle 16 through the fan 14, then is sprayed into the second cavity 104, and is discharged from the air outlet 108; part of the airflow passes through the air inlet 106, exchanges heat with part of the heat exchanger 12 in the second cavity 104, and is discharged through the air outlet 108.
Firstly, different from the traditional air-conditioning indoor unit 1, the scheme of the air-conditioning indoor unit 1 provided by the invention has at least two working modes: a high wind mode in which the fan 14 is operating and a natural wind mode in which the fan 14 is not operating. Under the natural wind mode that the fan 14 does not work, the natural convection effect of the sinking of the cold air is enhanced completely by depending on the special arrangement scheme of the heat exchanger 12 and the parameter design of the heat exchanger 12, and the refrigerating effect without noise and wind sensation of the fan 14 is achieved completely.
Specifically, in the strong wind mode, the fan 14 sucks the indoor return air from the area of the jet air inlet 1060, passes through the first heat exchanger 12 in the first cavity 102, supplies air to both sides through the jet air duct 18 after cooling (or heating) the return air, and ejects the return air through the jet, a high-speed low-pressure fluid area is formed below the jet nozzle 16, the indoor return air is guided to enter from the area of the guided air inlet 106, the return air is mixed with the jet air after passing through the heat exchanger 12 in the second cavity 104, and the return air enters the room from the air outlet 108 downwards along the Z direction. Specifically, as shown in fig. 1 to fig. 3, the first heat exchanging portion 120 and the second heat exchanging portion 122 surround to form a first heat exchanging region 126, and after the fan 14 is turned on, air is supplied through the bidirectional single-jet air duct 18. As shown in fig. 4 to 6, the first heat exchanging portion 120 and the second heat exchanging portion 122 enclose two first heat exchanging areas 126, and when the fan 14 is turned on, bidirectional double-jet air supply is realized. As shown in fig. 7 to 9, the first heat exchanging portion 120 and the second heat exchanging portion 122 surround three first heat exchanging areas 126, and after the fan 14 is turned on, air is supplied through the bidirectional three-jet air duct 18.
Under the natural wind mode, fan 14 does not work completely, therefore does not have the efflux air supply, relies on the regional arrangement form of heat exchanger 12 completely and produces not only abundant heat transfer and strengthens the air conditioning effect of sinking, reduces the effect of air flow resistance again, and indoor return air can be followed the drainage air intake 106 and got into indoor under the effect of natural convection, and then from air outlet 108 along the Z direction entering is indoor, and the indoor cooling is accomplished quietly when the user can hardly feel the sensation of wind.
The difference is that the air-conditioning indoor unit 1 of the invention adopts the middle fan 14 to supply air jet flow to two sides, and utilizes the jet flow to guide indoor return air to be cooled by the heat exchanger 12 and then mixed and sent out from the lower part. This has the effect that the fan 14 provides only a small proportion of the total air volume, and the diverted return air can be more than 60% of the total air volume, thereby reducing the load on the fan 14 while meeting the total capacity, and also achieving the noise reduction effect.
Further, in the first cavity 102, two fans 14 may be disposed, so that air is supplied to the second cavities 104 on two sides through one fan 14, and the air supply efficiency in the active heat exchange mode of the fans 14 is further improved.
In order to achieve better technical effects, the following points need to be met: 1. the heat exchanger 12 is arranged to fully cover the primary air intake 1062 and the jet air intake 1060 in the third direction and the first direction to ensure that no air flows through the heat exchanger 12; 2. the projections of the heat exchanger 12 in the first direction and the second direction cover the area where the air circulates as much as possible, so that the effect of air sinking in the two modes is ensured to be optimal; 3. the heat exchanger 12 is provided with a water pan 24 for holding condensed water at the positions shown in fig. 6 and 9, so as to prevent the condensed water from being collected and dropping into the room.
The invention has the following beneficial effects: the shape of the air-conditioning indoor unit 1 can have two operation modes of strong wind and natural wind, and the strong wind mode can reduce the load of the 14 air volume of the fan under the condition of meeting the total capacity and achieve the effect of reducing noise to a certain extent; in the natural wind mode, no noise of the fan 14 exists completely, and indoor non-wind-sense refrigeration is realized by utilizing a special heat exchanger 12 arrangement form; the air conditioner indoor unit 1 of the invention adopts the arrangement mode that the middle fan 14 supplies air to two ends, so that the problems of overlarge air duct resistance and uneven jet flow distribution caused by overlong air supply jet flow distance when the fan 14 is arranged at one end can be avoided; such an arrangement also reduces the load on the fan 14 and improves the compactness of the overall structure.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. An indoor unit of an air conditioner, comprising:
the air outlet is arranged on the bottom wall of the shell along a first direction, and the second cavity is positioned on two sides of the first cavity along a second direction;
the heat exchanger is arranged in the shell;
the fan is arranged in the first cavity and comprises an inlet end and an outlet end, and the inlet end is communicated with the air inlet;
the jet nozzle is arranged in the shell, the air inlet end of the jet nozzle is communicated with the outlet end, and the air outlet end of the jet nozzle is communicated with the second cavity;
the first direction is perpendicular to the second direction, and the first direction is a gravity direction.
2. An indoor unit of an air conditioner according to claim 1, further comprising:
the jet air duct is communicated with the outlet end and the air inlet end of the jet nozzle;
wherein, along the air inflow direction, the cross-sectional area of the jet flow wind channel is gradually reduced.
3. An indoor unit of an air conditioner according to claim 2, wherein the casing includes:
the cover body is provided with the air inlet;
the base, the cover body set up in on the base, the air outlet is seted up in on the base.
4. An indoor unit of an air conditioner according to claim 3, wherein the base includes:
the fan seat body is provided with the air inlet and the first cavity;
the heat exchanger pedestal is arranged on the heat exchanger pedestal, the heat exchanger pedestal is arranged on two sides of the fan pedestal along the second direction and is connected with the fan pedestal, the cover body is covered on the heat exchanger pedestal, the heat exchanger pedestal and the cover body enclose the second cavity, and at least one part of the heat exchanger is arranged in the second cavity.
5. An indoor unit of an air conditioner according to claim 4, wherein the base further includes:
and the supporting plates are arranged at two ends of the heat exchanger seat body along the second direction, and two ends of the heat exchanger are respectively connected with the supporting plates at two sides.
6. An indoor unit of an air conditioner according to claim 5, wherein the fan includes:
the bracket is arranged on the fan seat body, and the bracket and the fan seat body enclose to form the first cavity;
the flow dividing structure is arranged on the support and comprises an installation cavity, and the inlet end and the outlet end which are communicated with the installation cavity, and the inlet end is communicated with the first cavity;
the impeller is arranged in the mounting cavity.
7. An indoor unit of an air conditioner according to claim 6,
the outlet ends are distributed on the periphery of the impeller, and the number of the outlet ends is the same as that of the jet air ducts.
8. An indoor unit of an air conditioner according to claim 5, wherein the air inlet includes:
the jet flow air inlet is arranged on a first side wall of the fan seat body arranged along a third direction at intervals, one part of the heat exchanger is arranged in the first cavity, and the jet flow air inlet is communicated with the fan through the heat exchanger;
the main air inlets are formed in the second side wall, opposite to the cover body in the third direction, of the cover body, and the main air inlets are located on two sides of the jet flow air inlets in the second direction; and
the main air inlet is formed in a 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.
9. An indoor unit of an air conditioner according to claim 8,
the top wall of the cover body is provided with a groove structure, and a jet flow air duct of the indoor unit of the air conditioner is arranged in the groove structure;
the main air inlets arranged on the top wall of the cover body are positioned on two sides of the groove structure.
10. An indoor unit of an air conditioner according to any one of claims 1 to 9, wherein the heat exchanger includes:
the first heat exchanging parts are arranged at intervals along the third direction of the indoor unit of the air conditioner, one part of the first heat exchanging parts is arranged in the second cavity, and the other part of the first heat exchanging parts is arranged in the first cavity.
11. An indoor unit of an air conditioner according to claim 10, wherein the heat exchanger further comprises:
the second heat exchange part is arranged in the second cavity and is positioned between the two first heat exchange parts, the second heat exchange part comprises a plurality of heat exchange sections, the plurality of heat exchange sections are distributed along the third direction, and any one heat exchange section is obliquely arranged relative to the first direction;
the jet flow nozzles are arranged between the upper end parts of two adjacent heat exchange sections and between the first heat exchange part and the adjacent heat exchange section.
12. An indoor unit of an air conditioner according to claim 11,
and 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, the width of the first heat exchange area along the first direction is gradually increased, and the width of the second heat exchange area along the first direction is gradually decreased from the top of the shell to the bottom of the shell.
13. An air conditioner, comprising:
the indoor unit of an air conditioner according to any one of claims 1 to 12.
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