CN112212408A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN112212408A CN112212408A CN202011127204.3A CN202011127204A CN112212408A CN 112212408 A CN112212408 A CN 112212408A CN 202011127204 A CN202011127204 A CN 202011127204A CN 112212408 A CN112212408 A CN 112212408A
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- air
- air outlet
- centrifugal fan
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- outlet
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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
- F24F1/0022—Centrifugal or radial 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
- 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
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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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
- F24F13/20—Casings or covers
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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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
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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
The invention provides an air conditioner indoor unit, which comprises: the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein the bottom of the shell is provided with the air inlet and the first air outlet, and the side part of the shell is provided with the second air outlet; an indoor heat exchanger disposed in the housing; the centrifugal fan is arranged in the shell, an air inlet area is formed at the end part of the centrifugal fan, an air outlet area is formed at the side part of the centrifugal fan, and the air inlet area and the air inlet are arranged oppositely; the air deflector is arranged in the shell and arranged on one side of the centrifugal fan, and the air deflector is used for guiding airflow output by the centrifugal fan from the air outlet area to the first air outlet and the second air outlet. Through adopting centrifugal fan in order increasing air supply volume and air supply scope, and then improve user experience nature.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit.
Background
Air conditioners are household appliances commonly used in daily life, and are classified into wall-mounted air conditioners and cabinet air conditioners. Among them, the air conditioner generally includes an indoor unit installed at an indoor side and an outdoor unit installed at an outdoor side.
Indoor units in the prior art are installed in different ways, and are classified into vertical indoor units, wall-mounted indoor units and ceiling-mounted indoor units. Wherein, suspension type indoor set is less because of its occupation indoor effective space, by extensive using widely. A conventional ceiling-mounted indoor unit (generally referred to as a duct unit) generally includes a casing, and a fan and a heat exchanger provided in the casing. The fan usually adopts a perfusion fan mode, and when the fan is used, air is sucked from an air inlet arranged at the bottom of the shell, and is output from an air outlet arranged at the side part of the shell after heat exchange of the heat exchanger.
However, in the actual use process, the air volume is limited by the air volume of the cross-flow fan, so that the air volume is small; meanwhile, the air supply direction of the air duct machine is single, the coverage range is small, and the user experience is poor. In view of this, how to design an air conditioning technology with a large air supply amount and a wide air supply range to improve user experience is a technical problem to be solved by the present invention.
Disclosure of Invention
The invention provides an air conditioner indoor unit, which increases the air supply quantity and the air supply range by adopting a centrifugal fan, and further improves the user experience.
In some embodiments of the present application, an indoor unit of an air conditioner for connecting an outdoor unit of an air conditioner includes:
the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein the bottom of the shell is provided with the air inlet and the first air outlet, and the side part of the shell is provided with the second air outlet;
an indoor heat exchanger disposed in the housing;
the centrifugal fan is arranged in the shell, an air inlet area is formed at the end part of the centrifugal fan, an air outlet area is formed at the side part of the centrifugal fan, and the air inlet area and the air inlet are arranged oppositely;
the air deflector is arranged in the shell and arranged on one side of the centrifugal fan, and the air deflector is used for guiding airflow output by the centrifugal fan from the air outlet area to the first air outlet and the second air outlet.
The application provides an indoor set of air conditioner, realize the circulation flow of indoor outer air through adopting centrifugal fan in the shell, centrifugal fan's whole thickness is thinner on the one hand, can satisfy the requirement of air conditioner indoor set top-mounted to high, on the other hand centrifugal fan's tip forms the intake zone and lateral part border forms the exhaust zone, and then make centrifugal fan can satisfy the requirement that the shell followed lateral part multiposition air-out, and to the centrifugal fan air supply in-process, the air of following centrifugal fan output can lead via the aviation baffle, export with smooth and easy first air outlet of orientation and second air outlet, and then satisfy through the air outlet of difference to different direction air delivery flow, increase air supply volume and air supply scope, and then improve user experience nature.
In some embodiments of the present application, the first air outlets are respectively disposed at two end portions of the housing, and the second air outlet is located between the two first air outlets.
In some embodiments of the present application, two of the centrifugal fans are disposed in the housing, the two centrifugal fans are arranged side by side, and the air deflector is located between the two centrifugal fans.
In some embodiments of the present application, the housing is provided with two air inlets, and an air inlet area of the centrifugal fan is arranged opposite to the corresponding air inlet.
In some embodiments of the present application, the air guiding plate includes a partition plate and two first arc-shaped plates, the partition plate is sandwiched between the two centrifugal fans, and a first end of the partition plate extends towards the second air outlet; two first arc all connect on the second tip of space bar, two first arc sets up dorsad.
In some embodiments of the present application, the first arc-shaped plate extends along the second end of the partition plate towards the first air outlet direction of the corresponding side.
In some embodiments of the present application, the air guiding plate includes two second arc-shaped plates, and the two second arc-shaped plates are oppositely arranged; the second arc-shaped plate faces the centrifugal fan on the corresponding side to be bent, one end of the second arc-shaped plate faces the first air outlet on the corresponding side to extend, and the other end of the second arc-shaped plate faces the second air outlet to extend.
In some embodiments of the present application, the indoor heat exchanger is partly surrounded outside the centrifugal fan, and the first air outlet and the second air outlet are located on an air outlet side of the indoor heat exchanger.
In some embodiments of the present application, the indoor heat exchanger is of a U-shaped structure, an air inlet cavity is formed between the indoor heat exchanger and the housing, and the first air outlet and the second air outlet are located on the outer side of the air inlet cavity
In some embodiments of the present application, a thermal insulation member is further disposed in the housing, the thermal insulation member being sandwiched between the indoor heat exchanger and the housing.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an indoor unit of an air conditioner;
FIG. 2 is a schematic view of the grid of FIG. 1 with the grid removed;
FIG. 3 is one of the schematic partial structural views of FIG. 1;
FIG. 4 is a second schematic diagram of the partial structure of FIG. 1;
FIG. 5 is a third schematic diagram of the partial structure of FIG. 1;
FIG. 6 is a schematic view of the heat insulating member of FIG. 1;
fig. 7 is a partial structural schematic view of the housing of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "upper," "lower," "front," "back," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present embodiment provides an air conditioner that performs a cooling and heating cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The cooling and heating cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant medium to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor, an outdoor heat exchanger, and an outdoor fan, the indoor unit of the air conditioner includes a portion of an indoor heat exchanger and an indoor fan, and a throttling device (e.g., a capillary tube or an electronic expansion valve) may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. The air conditioner performs a heating mode when the indoor heat exchanger serves as a condenser, and performs a cooling mode when the indoor heat exchanger serves as an evaporator.
The indoor heat exchanger and the outdoor heat exchanger are switched to be used as a condenser or an evaporator, a four-way valve is generally adopted, and specific reference is made to the arrangement of a conventional air conditioner, which is not described herein again.
The refrigeration working principle of the air conditioner is as follows: the compressor works to enable the interior of the indoor heat exchanger (in the indoor unit, the evaporator at the moment) to be in an ultralow pressure state, liquid refrigerant in the indoor heat exchanger is rapidly evaporated to absorb heat, air blown out by the indoor fan is cooled by the coil pipe of the indoor heat exchanger to become cold air which is blown into a room, the evaporated and vaporized refrigerant is compressed by the compressor, is condensed into liquid in a high-pressure environment in the outdoor heat exchanger (in the outdoor unit, the condenser at the moment) to release heat, and the heat is dissipated into the atmosphere through the outdoor fan, so that the refrigeration effect is achieved by circulation.
The heating working principle of the air conditioner is as follows: the gaseous refrigerant is pressurized by the compressor to become high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the indoor heat exchanger (the condenser at the moment), is condensed, liquefied and released heat to become liquid, and simultaneously heats indoor air, so that the aim of increasing the indoor temperature is fulfilled. The liquid refrigerant is decompressed by the throttling device, enters the outdoor heat exchanger (an evaporator at the moment), is evaporated, gasified and absorbs heat to form gas, absorbs the heat of outdoor air (the outdoor air becomes cooler) to form gaseous refrigerant, and enters the compressor again to start the next cycle.
Referring to fig. 1 to 3, according to some embodiments of the present application, an air conditioning indoor unit includes: the air conditioner comprises a shell 1, an indoor heat exchanger 2, a centrifugal fan 3 and an air deflector 4.
In order to satisfy the requirement of top-mounted installation, the housing 1 is provided with an air inlet 11 at the bottom of the housing 1, and in order to increase the air supply range and the air supply amount, a first air outlet 12 is provided at the bottom of the housing 1, and a second air outlet 13 is provided at the side of the housing 1.
The indoor heat exchanger 2 is arranged in the housing 1, and air sucked into the housing 1 from the air inlet 11 is subjected to heat exchange through the indoor heat exchanger 2 and then is respectively output through the first air outlet 12 and the second air outlet 13.
The centrifugal fan 3 is arranged in the shell 1, an air inlet area is formed at the end part of the centrifugal fan 3, an air outlet area is formed at the side part of the centrifugal fan 3, and the air inlet area and the air inlet 11 are oppositely arranged. Specifically, adopt centrifugal fan 3 as the air drive part in the shell 1, centrifugal fan 3's whole thickness is thinner, can be better satisfy the top-mounted installation in user's house to the restriction of shell 1 height.
The air deflector 4 is arranged in the housing 1 and arranged on one side of the centrifugal fan 3, and the air deflector 4 is used for guiding the airflow output by the centrifugal fan 3 from the air outlet area to the first air outlet 12 and the second air outlet 13.
Specifically, in actual use, the housing 1 is installed on top of a roof in a user's home or integrated in a ceiling. In a normal condition, the air conditioning indoor unit outputs airflow laterally and outwardly through the second air outlet 13 arranged at the side of the casing 1, and meanwhile, the air supply range of the first air outlet 12 arranged at the bottom of the casing 1 can be increased, so as to output airflow longitudinally and downwardly through the first air outlet 12.
Meanwhile, because the shell 1 is provided with the air outlets, the air flow can be output to the greatest extent through different air outlets, so that the air output can be increased more effectively, and the user experience can be improved.
The centrifugal fan 3 employs a backward blowing type, and thus the thickness direction of the centrifugal fan 3 is the same as the thickness direction of the casing 1. And, the air inlet direction of centrifugal fan 3 can satisfy the air inlet requirement that shell 1 bottom configuration air intake 11 to make the inside configuration of shell 1 more compact.
The centrifugal fan 3 adopts a backward air supply mode, so that the airflow output by the centrifugal fan 3 flows smoothly towards the directions of the air outlets after being subjected to heat exchange by the indoor heat exchanger 2. Especially for the second air outlet 13, the air outlet direction of the second air outlet 13 is the same as the air outlet direction of the corresponding air outlet area of the centrifugal fan 3, so as to meet the requirement of air output and output.
In some embodiments of the present application, the number and position of the air outlets may be designed according to the requirements of actual use.
Taking the installation manner of configuring the air duct machine in a home of a conventional user as an example, the second outlet 13 is usually disposed on one side wall of the housing 1, and in order to increase the air outlet area, the first outlets 12 may be disposed at two end portions of the housing 1, and the second outlet 13 is located between the two first outlets 12.
Specifically, in actual use, the air outlet mode of the second air outlet 13 is similar to that of the side air outlet of the conventional duct machine, but the two first air outlets 12 arranged at the bottom of the housing 1 can meet the requirement of multiple air outlets with downward bottoms.
In some embodiments of the present application, the air guiding blades 5 may be disposed in the first air outlet 12 and the second air outlet 13 as needed.
Specifically, for example, the air guide blade 5 is disposed at the first air outlet 12, and the air guide blade 5 can rotate in the first air outlet 12, so as to control the flow direction of the air flow output from the first air outlet 12, thereby more effectively increasing the air supply range. For the rotation driving mode of the air guiding blade 5, reference may be made to the driving mode of the air guiding louver in the air outlet of the conventional air conditioner, which is not described and limited herein.
In some embodiments of the present application, in order to fully utilize the internal space of the casing 1, two centrifugal fans 3 are disposed in the casing 1, the two centrifugal fans 3 are arranged side by side, and the air deflector 4 is located between the two centrifugal fans 3.
Specifically, the length direction of the casing 1 is generally long, and then two centrifugal fans 3 can be arranged in the casing 1 side by side, so that the specification size of a single centrifugal fan 3 is reduced, and the thickness size of the centrifugal fan 3 is effectively controlled.
For the first air outlets 12 arranged at the two end parts of the housing 1, air can be supplied by the centrifugal fans 3 at the corresponding sides; for the second air outlet 13 disposed on the side wall of the housing 1, the air flows output from the two centrifugal fans 3 can be output through the second air outlet 13. And two centrifugal fans 3 are arranged in the shell 1, so that the air supply quantity can be more effectively increased.
In some embodiments of the present application, in the case that two centrifugal fans are configured in the housing 1, correspondingly, two air inlets 11 are provided on the housing 1, and the air inlet area of the centrifugal fan 3 is arranged opposite to the corresponding air inlets 11.
Specifically, in the operation process, the centrifugal fans 3 can be adsorbed by the air inlets 11 correspondingly configured, so that mutual interference between the two centrifugal fans 3 is reduced or avoided, and the requirement of normal air inlet of the centrifugal fans 3 is met.
In an embodiment, in order to optimize the appearance efficiency, a grille 6 may be further disposed at the bottom of the housing 1, the grille 6 covers the air inlet 11 of the housing 1, and the grille 6 can meet the requirement that indoor air smoothly enters the air inlet 11.
In some embodiments of the present application, there are various solutions for the specific structural form of the air deflector 4.
For example: in one embodiment, the air deflector 4 comprises a partition plate 41 and two first arc-shaped plates 42, the partition plate is sandwiched between the two centrifugal fans 3, and a first end of the partition plate extends towards the second air outlet 13; two first arc all connect on the second tip of space bar, two first arc sets up dorsad.
Specifically, the air deflector 4 can separate the two centrifugal fans 3 by the partition plate, and part of the air flow output by the centrifugal fans 3 can be guided to flow towards the second air outlet 13 by the partition plate, so as to meet the requirement of the second air outlet 13 on large air output.
Meanwhile, for two first arc-shaped plates arranged back to back, each first arc-shaped plate will bend towards the centrifugal fan 3 on the corresponding side, so that the first arc-shaped plates are utilized to guide part of the air flow output from the centrifugal fan 3 to blow towards the first air outlet 12.
The first arc-shaped plate extends towards the first air outlet 12 on the corresponding side along the second end of the partition plate. Like this, the air current via first arc follows the direction, and the first air outlet 12 of flow direction that can be more smooth and easy to reduce the loss of amount of wind.
Likewise, in another embodiment, the air deflector 4 comprises two second curved plates 43, which are set back to back; the second arc-shaped plate is bent towards the centrifugal fan 3 on the corresponding side, one end of the second arc-shaped plate extends towards the first air outlet 12 on the corresponding side, and the other end of the second arc-shaped plate extends towards the second air outlet 13.
Specifically, two second arc 43 set up dorsad, and two second arc 43 middle parts can be leaned on together to it is fixed to make things convenient for the installation. For the single-sided centrifugal fan 3, the air flow output from the air outlet area will be guided by the corresponding second arc-shaped plate 43 to be conveyed towards the first air outlet 12 and the second air outlet 13, respectively.
In some embodiments of the present application, the indoor heat exchanger 2 is half-enclosed outside the centrifugal fan 3, and the first air outlet 12 and the second air outlet 13 are located on the air outlet side of the indoor heat exchanger 2.
Specifically, the indoor heat exchanger 2 is partly surrounded in the outside of centrifugal fan 3 to ensure that the air current of output realizes the heat transfer through indoor heat exchanger 2, in order to improve heat exchange efficiency.
The indoor heat exchanger 2 is of a U-shaped structure integrally, an air inlet cavity is formed between the indoor heat exchanger 2 and the shell 1, and the first air outlet 12 and the second air outlet 13 are located on the outer side of the air inlet cavity. The indoor heat exchanger 2 with the U-shaped structure can better cover the first air outlet 12 and the second air outlet which are distributed on the shell 1, and can effectively utilize the side length area of the shell 1 to obtain a larger heat exchange area so as to improve the heat exchange efficiency.
In some embodiments of the present application, as shown in fig. 5 and 6, a heat insulating member 7 is further provided in the casing 1, and is sandwiched between the indoor heat exchanger 2 and the casing 1.
Specifically, since the overall thickness of the casing 1 is relatively thin, in order to reduce the damage of the indoor heat exchanger 2 caused by heat or cold conducted through the top of the casing 1 during the operation, the heat insulation member 7 is added between the casing 1 and the indoor heat exchanger 2, and the heat insulation member 7 can reduce the heat exchange amount between the indoor heat exchanger 2 and the top of the casing 1, thereby improving the energy efficiency.
And for the heat insulation component, the heat insulation component can be matched with the appearance structure of the indoor heat exchanger 2 to play a good heat insulation role.
In some embodiments of the present application, as shown in fig. 7, in order to better satisfy the requirement of smooth wind guiding, a shielding portion 10 is further disposed on one side of the inside of the housing 1, and a concave surface 101 recessed toward the outside is formed at a position where the shielding portion is connected to the wind guiding plate 4. Taking the air deflector 4 having the first arc-shaped plate as an example, when the air flow is guided away by the first arc-shaped plate, the air flow is further guided by the concave surface, and the concave surface is utilized to enable the air flow to flow in the direction of the first air outlet 12 facing upwards in an inclined manner, so that the loss of the air speed can be further reduced by the concave surface, and the air supply efficiency can be improved.
In some embodiments of the present application, as shown in fig. 5, since the centrifugal fan 3 adopts a subsequent centrifugal fan, the centrifugal fan 3 rotates in a counterclockwise direction along the air intake direction of the centrifugal fan 3 in the arrangement of the centrifugal fan 3 in fig. 5. In order to increase the heat exchange area, the indoor heat exchanger 2 is integrally U-shaped, and the heat exchange portions 21 distributed on both sides of the indoor heat exchanger 2 are sandwiched between the centrifugal fan 3 and the first air outlet 12 on the corresponding side. The flow directions of the airflows output by the two centrifugal fans 3 are also different, and the following description is specifically made with reference to fig. 5.
The air flow output by the centrifugal fan 3 on the right side in fig. 5 is guided by the air deflector 4, and then flows toward the first air outlet 12 and then flows toward the second air outlet 13.
The air flow output by the centrifugal fan 3 on the left side in fig. 5 is guided by the air deflector 4, and then flows toward the second air outlet 13 and then flows toward the first air outlet 12. And because the centrifugal fan 3 is far away from the heat exchange part 21 on the corresponding side of the indoor heat exchanger 2, a vortex is easily formed at the corner position on the corresponding side of the indoor heat exchanger 2 to influence the air outlet efficiency.
For this purpose, the left heat exchange portion 21 of the indoor heat exchanger 2 is inclined toward the centrifugal fan 3 on the corresponding side. Like this, left side centrifugal fan 3 and left heat transfer position 21 interval reduce gradually, can make the steady transition of air current to the lower part, improve left side centrifugal fan 3's efficiency, put left heat transfer position 21 to one side simultaneously, can make the air current that flows towards heat transfer position 21 from left centrifugal fan 3 output flow with the direction of the surface of the heat transfer position 21 of basic perpendicular to, and then increase heat transfer position 21's heat transfer ability.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. An indoor unit of an air conditioner for connecting an outdoor unit of an air conditioner, comprising:
the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein the bottom of the shell is provided with the air inlet and the first air outlet, and the side part of the shell is provided with the second air outlet;
an indoor heat exchanger disposed in the housing;
the centrifugal fan is arranged in the shell, an air inlet area is formed at the end part of the centrifugal fan, an air outlet area is formed at the side part of the centrifugal fan, and the air inlet area and the air inlet are arranged oppositely;
the air deflector is arranged in the shell and arranged on one side of the centrifugal fan, and the air deflector is used for guiding airflow output by the centrifugal fan from the air outlet area to the first air outlet and the second air outlet.
2. An indoor unit of an air conditioner according to claim 1, wherein the first outlets are provided at both end portions of the casing, respectively, and the second outlet is located between the two first outlets.
3. An indoor unit of an air conditioner according to claim 2, wherein two centrifugal fans are provided in the casing, the two centrifugal fans are arranged side by side, and the air guide plate is located between the two centrifugal fans.
4. An indoor unit of an air conditioner as claimed in claim 3, wherein the casing is provided with two air inlets, and an air inlet area of the centrifugal fan is arranged opposite to the corresponding air inlet.
5. An indoor unit of an air conditioner according to claim 3, wherein the air guide plate includes a partition plate and two first arc-shaped plates, the partition plate is sandwiched between the two centrifugal fans, and a first end portion of the partition plate extends toward the second air outlet; two first arc all connect on the second tip of space bar, two first arc sets up dorsad.
6. An indoor unit of an air conditioner according to claim 5, wherein the first arc-shaped plate extends along the second end of the partition plate toward the first outlet port of the corresponding side.
7. An indoor unit of an air conditioner according to claim 3, wherein the air guide plate includes two second arc-shaped plates, and the two second arc-shaped plates are arranged oppositely; the second arc-shaped plate faces the centrifugal fan on the corresponding side to be bent, one end of the second arc-shaped plate faces the first air outlet on the corresponding side to extend, and the other end of the second arc-shaped plate faces the second air outlet to extend.
8. An indoor unit of an air conditioner according to any one of claims 1 to 7, wherein the indoor heat exchanger is half-enclosed outside the centrifugal fan, and the first outlet port and the second outlet port are located on an air outlet side of the indoor heat exchanger.
9. An indoor unit of an air conditioner according to claim 8, wherein the indoor heat exchanger is of a U-shaped structure as a whole, an air inlet cavity is formed between the indoor heat exchanger and the casing, and the first air outlet and the second air outlet are located outside the air inlet cavity.
10. An indoor unit of an air conditioner according to claim 8, wherein a heat insulating member is further provided in the casing, and the heat insulating member is sandwiched between the indoor heat exchanger and the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127204.3A CN112212408A (en) | 2020-10-20 | 2020-10-20 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127204.3A CN112212408A (en) | 2020-10-20 | 2020-10-20 | Indoor unit of air conditioner |
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| Publication Number | Publication Date |
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| CN112212408A true CN112212408A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011127204.3A Pending CN112212408A (en) | 2020-10-20 | 2020-10-20 | Indoor unit of air conditioner |
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| CN (1) | CN112212408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029132A1 (en) * | 2021-09-03 | 2023-03-09 | 青岛海信日立空调***有限公司 | Indoor air-conditioning unit |
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Application publication date: 20210112 |