CN110056972A - Wall-hanging indoor unit of air conditioner - Google Patents

Abstract

The invention provides an indoor unit of a wall-mounted air conditioner, which comprises a casing defining a heat exchange air supply cavity, a heat exchanger arranged in the heat exchange air supply cavity and a plurality of air supply components, and the casing is provided with an inlet The air outlet, the plurality of first air supply ports, and the plurality of second air supply ports, wherein the orientations of the plurality of first air supply ports and the plurality of second air supply ports are set to be different; each air supply assembly includes a supply unit provided with an air supply fan. an air guide part and an air guide part communicated with the air supply part; one air guide part corresponds to a first air supply port and a second air supply port, and the air guide part is arranged to communicate with the corresponding first air supply port and/or correspond to the The second air supply ports are connected with each other, so as to guide the heat exchange air flow discharged by the air blower to the corresponding first air supply port and/or the corresponding second air supply port. In this way, one or two groups of two groups of air outlets can be selected for air supply through the air supply assembly, which expands the choice of air supply directions, meets the air supply requirements in cooling or heating modes, and improves the user experience. .

Description

wall mounted air conditioner indoor unit

technical field

The invention relates to the technical field of household appliances, in particular to an indoor unit of a wall-mounted air conditioner.

Background technique

Air conditioners are one of the must-have household appliances. Wall-mounted air conditioner indoor units are a common form of indoor units. They are widely used because of their small footprint.

In the existing indoor unit of a wall-mounted air conditioner, a cross-flow fan is generally arranged in the casing, and the air is supplied through the air supply port in the front lower part. Air deflectors or air deflector blades are generally installed at the air outlet to adjust the air supply direction. However, this indoor unit has the following problems: the adjustment angle of the air supply direction is limited, which limits the air supply range. During cooling, the cold air blows obliquely, and the large temperature difference is easy to cause the user to suffer from air conditioning disease; It is difficult for the hot air to be sent directly downward, the heating effect is poor, and the user is prone to feel hot and cold. Therefore, the existing indoor unit of the wall-mounted air conditioner has poor user experience.

SUMMARY OF THE INVENTION

An object of the present invention is to provide an indoor unit of a wall-mounted air conditioner with good user experience.

A further object of the present invention is to make the adjustment of the air supply direction of the indoor unit of the wall-mounted air conditioner more flexible to meet the requirements of cooling and heating.

In particular, the present invention provides a wall-mounted air conditioner indoor unit, which includes:

The casing defines a heat exchange air supply cavity, and the casing is provided with an air inlet, a plurality of first air outlets and a plurality of second air outlets, wherein the plurality of first air outlets and the plurality of second air outlets are The orientation is set to be different;

A plurality of air supply components are arranged in the heat exchange air supply cavity, each air supply component includes an air supply part and an air guide part communicated with the air supply part, and each air supply part is provided with an air supply fan;

The heat exchanger is arranged on the air inlet flow path between the air supply fan and the air inlet to exchange heat with the ambient air entering from the air inlet to form a heat exchange airflow;

Wherein, one air guide portion corresponds to a first air supply port and a second air supply port, and each air guide portion is configured to communicate with the corresponding first air supply port and/or communicate with the corresponding second air supply port, In order to guide the heat exchange air flow discharged by the air blower to the corresponding first air supply port and/or the corresponding second air supply port.

Optionally, a plurality of air supply assemblies are arranged in the heat exchange air supply cavity at a lateral interval, and the air supply portion and the air guide portion of the same air supply assembly are distributed laterally;

A plurality of first air supply ports are formed in the area of the front panel of the casing corresponding to each air guide portion, and a plurality of second air supply ports are formed in the area of the bottom wall of the case corresponding to each air guide portion.

Optionally, the air guide portion of the same air supply assembly is located on the lateral outer side of the air supply portion.

Optionally, there are multiple groups of air inlets, each group of air inlets is arranged on the front panel or rear wall of the casing at horizontal intervals, and one group of air inlets corresponds to an air supply fan;

There are a plurality of heat exchangers, each heat exchanger is distributed horizontally at intervals, and corresponds to each group of air inlets one-to-one, and each heat exchanger is located at the corresponding group of air inlets and the air supply fan corresponding to the group of air inlets. between the air inlets.

Optionally, each air supply fan is a centrifugal fan, and the rotation axis of each air supply fan is arranged along the front and rear directions of the casing;

Each air supply part further includes a fan volute arranged on the outer periphery of the corresponding air supply fan, and the fan volute communicates with the corresponding air guide part.

Optionally, each air guide includes:

The wind guide volute is communicated with the corresponding fan volute, the wind guide volute is defined with an annular air duct, and the center of the annular air duct forms a front and rear penetrating air duct, and the air duct is opposite to the corresponding first air supply port ; And the bottom wall of each wind guide volute is formed with a bypass port that communicates with the annular air duct, and a bypass port is opposite and connected to a second air supply port;

The air guide is arranged in the air duct and communicated with the annular air duct. Each air guide includes a plurality of jet air rings extending around the front and rear directions, and each jet air ring is coaxially distributed along the front and rear directions. A jet port is formed between two adjacent jet air rings, and the jet port is used to eject the airflow of the annular air duct forward, and drive the air in the induced air duct to send out forward.

Optionally, the rear wall of the casing is respectively provided with an air induction port at the position opposite to each air induction air duct, so that when the jet port ejects the airflow of the corresponding annular air duct forward, the air around the corresponding air induction port is urged. The ambient air flows forward into the air duct and mixes with the heat exchange air blown out of the jet port.

Optionally, the area of the rear wall of the cabinet opposite to each air guide is concave forward, so that there is an air circulation area behind each air introduction opening.

Optionally, each first air supply port is provided with a first air door, and each air induction port is provided with a second air door, and the first air door and the second air door are respectively configured to be controllably opened and closed, so that the jet port is And/or the induced draft duct opens and closes accordingly.

Optionally, the indoor unit of the wall-mounted air conditioner further includes:

The plurality of air deflector groups correspond one-to-one with the plurality of second air supply ports, each air deflector group includes at least one air deflector, and the air deflectors are configured to be controllably rotatable about respective transverse axes to utilize At least one air deflector of each air deflector group opens and closes the corresponding second air supply port to adjust the air outlet direction of the corresponding second air supply port or to stop the air supply from the corresponding second air supply port.

In the indoor unit of the wall-mounted air conditioner of the present invention, a plurality of air supply openings are opened on the casing, and each air supply opening can supply air independently, thereby realizing the partitioned air supply and increasing the air supply range; in addition, the two groups of the indoor unit The air supply direction of the air supply port is different. One or two groups of the two groups of air supply ports can be selected for air supply through the air supply component, which expands the choice of air supply direction and meets the air supply requirements in cooling or heating mode. Improve user experience.

Further, in the indoor unit of the wall-mounted air conditioner of the present invention, by optimizing the positions and structures of the heat exchanger, the air guide part and the air supply part, the internal components of the indoor unit can be made compact in structure, and the interior of the casing of the indoor unit can be fully utilized. On the one hand, the occupied space is reduced, and on the other hand, the wind resistance of the air supply can also be reduced.

Further, in the indoor unit of the wall-mounted air conditioner of the present invention, each first air supply port is arranged on the front panel of the casing to supply air to the front of the indoor unit, and is suitable for large air volume during cooling or heating. Forward air supply; each second air supply port is arranged at the bottom of the casing, which is suitable for the working condition of supplying air to the user's feet during heating. In addition, each first air supply port can be used to supply air by means of a jet port, and the surrounding air is sucked and mixed with the heat exchange air flow with a severe temperature difference in the surrounding environment, so as to ensure that the air flow sent out is soft, forming a hot but not dry, cool but not cold. The comfortable wind makes the human body feel more comfortable, and the air supply volume is increased to speed up the flow of indoor air.

The above and other objects, advantages and features of the present invention will be more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a schematic perspective view of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;

2 is a cross-sectional view of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;

3 is a schematic exploded view of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;

4 is a partial schematic exploded view of an air supply assembly of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;

5 is a front view of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention; and

FIG. 6 is a cross-sectional view taken along the line A-A in FIG. 5 .

Detailed ways

This embodiment provides an indoor unit 100 for a wall-mounted air conditioner. For the convenience of description, “upper”, “lower”, “front”, “rear”, “top”, “bottom” and “horizontal” mentioned in the description ” and other orientations are defined according to the spatial positional relationship of the wall-mounted air conditioner indoor unit 100 under normal working conditions. For example, as shown in FIG. The side of the position (supporting the wall) is the rear. As shown in FIG. 2 , the horizontal direction refers to a direction parallel to the longitudinal direction of the indoor unit 100 . As those skilled in the art should recognize, the length of the casing 110 of the wall-mounted air conditioner indoor unit 100 is significantly greater than its height and the depth distance in the front-rear direction.

As shown in FIGS. 1 to 6 , the indoor unit 100 of the wall-mounted air conditioner in this embodiment may generally include: a casing 110 , an air supply assembly, and a heat exchanger 121 .

The casing 110 defines a heat exchange air supply cavity therein. The side of the casing 110 facing the user is a front panel 111 . The rear of the front panel 111 has a cover 112 . The cover 112 and the front panel 111 cooperate together to define a heat exchange air supply cavity. The casing 112 may be formed by a top wall, a side wall, a rear wall and a bottom wall, and the front panel 111 is arranged in front of the casing 112 so as to close the heat exchange air supply cavity.

The casing 110 is provided with an air inlet 113 , and the casing 110 is also provided with a plurality of first air outlets 114 and a plurality of second air outlets 115 , wherein the orientations of the first air outlets 114 and the second air outlets 115 are set to be different. For example, each of the first air outlets 114 may face the front of the casing 110 , and each of the second air outlets 115 may face downward of the casing 110 . In some embodiments, each first air supply port 114 may be disposed on the front panel 111 , and each second air supply port 115 may be disposed on the bottom wall of the cabinet 110 , that is, on the bottom wall of the casing 112 .

Correspondingly, there are multiple air supply assemblies, which are arranged in the heat exchange air supply cavity, and include an air supply part 210 and an air guide part 310 communicating with the air supply part 210 , and an air supply fan 211 is arranged in the air supply part 210 .

One air guide portion 310 corresponds to one first air supply port 114 and one second air supply port 115 , and each air guide portion 310 is configured to communicate with the corresponding first air supply port 114 and/or with the corresponding second air supply port 114 . The air vents 115 are connected, so that the heat exchange air flow discharged by the air blower 211 is guided to the corresponding first air supply port 114 and/or the corresponding second air supply port 115 through the air guide portion 310 of the air supply assembly to achieve zoned air supply. That is to say, the number of the first air supply assembly, the first air supply port 114 and the second air supply port 115 is the same, and the air guide portion 310 of each first air supply assembly corresponds to a first air supply port 114 and a first air supply port 114 respectively. 2. Air supply port 115.

The heat exchanger 121 is disposed between the air supply part 210 and the air inlet 113 , that is, on the air inlet flow path between the air blower 211 and the air inlet 113 , and is used to exchange heat with the heat exchange airflow. The heat exchanger 121 is a part of the refrigeration system, which can be realized by using a compression refrigeration cycle, which utilizes refrigerant in the compression phase change cycle of the compressor, condenser, evaporator, and throttling device to achieve heat transfer. The refrigeration system can also be provided with a four-way valve to change the flow direction of the refrigerant, so that the heat exchanger 121 can alternately be used as an evaporator or a condenser to realize the function of cooling or heating. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, its working principle and structure will not be repeated here.

The position of the heat exchanger 121 can be determined according to the position of the air inlet 113, and the air inlet 113 can be formed on the front panel 111 of the casing 110 or the rear wall of the casing 110. For example, in the embodiment shown in FIG. 1, the air inlet 113 is formed on the front panel 111 of the casing 110 , and accordingly, the heat exchanger 121 can be attached to the rear side of the front panel 111 . In an alternative embodiment, the air inlet 113 is formed on the rear wall of the casing 110 , that is, the rear wall of the casing 112 . Accordingly, the heat exchanger 121 may be disposed against the rear wall of the casing 112 .

In the indoor unit 100 of this embodiment, the casing 110 is provided with a plurality of air supply ports, and each air supply port can supply air independently, which realizes the partitioned air supply and enlarges the air supply range; in addition, the two groups of the indoor unit 100 The air supply direction of the air supply ports (one group is a plurality of first air supply ports 114, and the other group is a plurality of second air supply ports 115) is different, and one or two groups of the two groups of air supply ports can be selected through the air supply assembly. Air supply expands the choice of air supply direction, meets the air supply requirements in cooling or heating mode, and improves the user experience.

The aforementioned plurality of air supply assemblies may be disposed in the heat exchange air supply cavity at a lateral interval, and the air supply portion 210 and the air guide portion 310 of the same air supply assembly are distributed in the lateral direction. Correspondingly, the aforementioned plurality of first air supply ports 114 may be formed in areas corresponding to the front panel 111 of the casing 110 and each air guide portion 310 , and the aforementioned plurality of second air supply ports 115 are formed on the bottom wall of the casing 110 and the corresponding air guide portions 310 . Areas corresponding to each air guide portion 310 . In this way, the aforementioned plurality of first air supply ports 114 are distributed laterally on the front panel 111 of the casing 110 to increase the coverage of the forward blowing airflow, and the aforementioned plurality of second air supply ports 115 are located on the bottom wall of the casing 110 . The upper horizontal interval is distributed to increase the coverage of the downward blowing airflow.

The air guide portion 310 of the same air supply assembly can be located on the lateral outer side of the air supply portion 210, thus increasing the lateral distance between the two adjacent first air supply ports 114, so that the airflow blowing into the room is more dispersed and the coverage area is larger. Correspondingly, each first air supply port 114 corresponding to each air guide portion 310 is located at a position laterally outward of the front panel 111 , and each second air supply port 115 corresponding to each air guide portion 310 is located at a laterally offset position on the bottom wall of the casing 110 . outside position. As shown in FIG. 3 , the two air supply assemblies are respectively located in the left half and the right half of the heat exchange air supply cavity, the two first air supply ports 114 are located at the positions adjacent to the two lateral sides of the front panel 111 , the two second The air supply ports 115 are located at positions adjacent to the two lateral sides of the bottom wall of the casing 110 .

In some embodiments, there are multiple groups of air inlets 113 and multiple heat exchangers 121 , each group of air inlets 113 is distributed on the front panel 111 of the casing 110 or the rear wall of the casing 110 at a lateral interval, and one group of air inlets 113 corresponds to one blower fan 211 . Each heat exchanger 121 is distributed horizontally at intervals and corresponds to each group of air inlets 113 one-to-one, and each heat exchanger 121 is located between its corresponding group of air inlets 113 and the air blower 211 corresponding to the group of air inlets 113 respectively. the air inlet flow path. That is to say, an air supply component corresponds to a heat exchanger 121 and a set of air inlets 113, thus forming a plurality of mutually independent air supply systems (including the heat exchanger 121, air supply components, etc.) to realize partitioned air supply. .

A partition plate (not shown in the figure) can also be arranged in the heat exchange air supply chamber, and the partition plate can extend forward from the rear wall of the casing 110 to the front panel 111 of the The air supply components are isolated, and the two laterally adjacent heat exchangers 121 are isolated, so as to isolate each air supply system, so that the air intake and air supply of each air supply system are independent of each other. As shown in FIG. 3 , a mounting plate 122 can also be arranged in the heat exchange air supply chamber. One mounting plate 122 corresponds to one heat exchanger 121. On the airflow path, the mounting plate 122 is located downstream of the corresponding heat exchanger 121. The corresponding heat exchanger 121 is fixed and the lateral sides of the corresponding heat exchanger 121 are closed. An opening 1221 is formed on the mounting plate 122 , and the heat exchange airflow after heat exchange with the heat exchanger 121 flows to the corresponding air supply component through the opening 1221 . A water receiving tray 105 is provided below each heat exchanger 121 for receiving the condensed water of the corresponding heat exchanger 121 .

The aforementioned multiple refers to two or more. For example, in the embodiment shown in FIG. 3 , there are two air supply components, and both the first air supply port 114 and the second air supply port 115 are two. Correspondingly, there are two heat exchangers 121 , two sets of air inlets 113 , the air inlets 113 may be of a grid type, and the heat exchangers 121 may be of a plate type.

In this embodiment, each air blower 211 of the indoor unit 100 may choose to use the air blower 211 that takes in the air in the axial direction and discharges the air from the circumferential direction, such as a centrifugal blower. The rotation axis of the blower fan 211 is arranged along the front-rear direction of the casing 110 . In the embodiment shown in FIG. 3 , the air inlet 113 is disposed in the area corresponding to the axial direction of the front panel 111 of the casing 110 and the air blower 211 , and the heat exchanger 121 is sandwiched between the front panel 111 of the casing 110 and the axial direction of the air blower 211 . Between the air intake sides of the air blower 211, the air blower 211 sucks air from the front end in the axial direction. In this way, the axial direction of the air blower 211 is consistent with the air intake direction, which can ensure a smaller air intake resistance, increase the air volume, and reduce noise.

As shown in FIGS. 3 and 4 , the air supply portion 210 includes a fan volute 212 disposed on the outer periphery of the corresponding air blower 211 , and the fan volute 212 communicates with its corresponding air guide portion 310 . The rear end of the air blower 211 is recessed forward to form an accommodating cavity. The high-speed motor 213 extends into the accommodating cavity and is installed on the fan volute 212 through the mounting member 214. When the air blower 211 is driven by the high-speed motor 213 to rotate with the shaft, the Its front end sucks the heat exchange airflow after heat exchange with the heat exchanger 121 into the blower fan 211, and the heat exchange airflow rotates with the blower blower 211 to obtain centrifugal force, is thrown out of the blower blower 211, and enters the fan volute 212. The increased pressure of the gas within the casing 212 is directed to discharge. After the air in the air blower 211 is discharged, a negative pressure is formed. The air is continuously sucked in through the air inlet 113 to exchange heat with the heat exchanger 121, thereby forming a continuous airflow.

The wind guide portion 310 includes a wind guide volute 311 , and the wind guide volute 311 communicates with the corresponding fan volute 212 . As shown in FIG. 4 , the fan volute 212 communicates with the wind guide volute 311 located on the lateral side through the top of the lateral side.

The wind guide volute 311 and the fan volute 212 can be formed into an integral detachable structure. As shown in FIGS. 3 and 4 , the wind guide volute 311 and the fan volute 212 are two-half structures, and the wind guide volute 311 The fan volute 212 includes a first fan casing 212a opened at the front and a second fan casing 311b opened at the rear. The casing 212b, the first air guide casing 311a and the first fan casing 212a are integrally formed, the second air guide casing 311b and the second fan casing 212b are integrally formed, and the first air guide casing is integrally formed. The casing 311a and the first fan casing 212a are adapted and connected with the integrally formed second air guide casing 311b and the second fan casing 212b to form the aforementioned horizontally distributed wind guide volute 311 and the fan volute 212.

In an alternative embodiment, the wind guide volute 311 and the fan volute 212 may be of a split design. In this embodiment, the wind guide volute 311 and the fan volute 212 may also be of two-half structure. The wind guide volute 311 is formed with an air flow inlet on the lateral side of the fan volute 212, the fan volute 212 is formed with an outlet on the lateral side of the wind guide volute 311, and the airflow inlet of the wind guide volute 311 is connected to the fan volute. The discharge ports of 212 are connected and communicated.

An annular air duct is defined in the wind guide volute 311 , and the center of the annular air duct forms an air-inducing air duct 303 penetrating back and forth, and the air-inducing air duct 303 is opposite to the corresponding first air supply port 114 . The bottom wall of each air guide volute 311 is formed with a bypass port 104 that communicates with the annular air channel, and a bypass port 104 is opposite to and connected to a second air supply port 115 . As shown in FIG. 4 , the aforementioned bypass port 104 is defined by the bottom end of the first air guide casing 311 a and the bottom end of the second air guide casing 311 b.

As shown in FIG. 3 and FIG. 6 , the air guide portion 310 further includes an air guide member 312 . The air guide member 312 is disposed in the corresponding air guide air duct 303 and communicates with the annular air duct. The air guide member 312 includes a plurality of surrounding air ducts. The jet air rings 3121 extend in the front-rear direction, and each jet air ring 3121 is coaxially distributed along the front-rear direction, that is to say, each jet air ring 3121 extends around an imaginary axis extending front and rear, and is sequentially distributed along the front-rear direction. A jet port 103 is formed between two adjacent jet air rings 3121 , and the jet port 103 is used to eject the airflow of the corresponding annular air duct forward, and drive the air in the corresponding air duct 303 to send forward.

The inner peripheral wall of the jet air ring 3121 located at the front of the plurality of jet air rings 3121 of the air guide 312 first tapers and then gradually expands and extends from the back to the front. The inner peripheral wall includes a tapered portion and a tapered portion from the back to the front. The tapered portion helps to guide the airflow from the rear more smoothly forward, and the tapered portion can expand the air outlet area of the air guide 312 . The inner peripheral wall of each jet air ring 3121 located behind the most front jet air ring 3121 can extend from back to front in a tapered manner, which can effectively guide the airflow of the air duct 303 to flow forward along the inner surface of the jet air ring 3121 , which is conducive to the mixing of natural air and hot air, improves the uniformity of air supply, and is conducive to the improvement of air supply air volume. For example, the air deflector 312 includes three jet air rings 3121 , the two jet air rings 3121 at the rear extend in a tapered manner from the back to the front, and the jet air rings 3121 at the front taper first and then gradually from the back to the front. expand.

The jet air ring 3121 on the rear side of the air guide 312 is inserted into the rear end of the jet air ring 3121 on the front side, so as to use the gap formed between the two adjacent jet air rings 3121 to define the aforementioned jet port 103, The jet opening 103 forms a continuously expanding Coanda surface by means of the outwardly expanding outer peripheral surface of the front side jet air ring 3121 , and the air flow is accelerated by the jet opening 103 , which can drive the air duct 303 in the center of the air guide 312 ambient air inside. The ambient air is mixed with the heat exchange air flow emitted by the jet port 103, on the one hand, the wind force is increased, which can make the air flow send out farther; The cool and comfortable wind makes users feel more comfortable.

In order to improve the jet velocity of the jet port 103, the width of the jet port 103 can be configured according to the test results, for example, it is set to 1 to 3 mm. After a lot of tests, the width of the jet port 103 can be preferably set to about 2 mm. The port 103 not only ensures the jetting speed of the heat exchange air flow, but also can minimize the wind resistance loss of the heat exchange air flow and reduce the noise.

The wall-mounted air conditioner indoor unit 100 of this embodiment has the structure as described above. The positions and structures of the air supply port, the heat exchanger 121 , the air guide portion 310 and the air supply portion 210 are all optimized. The variety of air supply 100 improves the air supply comfort, and at the same time makes the internal components of the indoor unit 100 compact in structure, reduces the occupied space, and reduces the air supply wind resistance.

As shown in FIG. 1 and FIG. 3 , in order to cooperate with the induced air ducts 303, the rear wall of the casing 110 is provided with an air induced air duct 118 at the position opposite to each of the air induced air ducts 303. When the airflow of the duct is ejected forward, the ambient air around the corresponding air inlet 118 is urged to flow forward into the air duct 303 to be mixed with the heat exchange air blown out from the jet outlet 103, and blow into the room from the first air outlet 114 , which increases the overall air supply distance and air supply volume, and makes the air flow soft, the temperature is suitable, and the user experience is more comfortable.

Wherein, the first air supply port 114 and the air induction port 118 may be in square, perfect circle, oblong, oval or other shapes, and the shapes of the first air supply port 114 and the air induction port 118 may be the same or different.

The area of the rear wall of the cabinet 110 opposite to each air guide 312 is recessed forward, so that the rear of each air introduction opening 118 has an air circulation area 304 . The air duct 303 communicates with the air circulation area 304 , and the heat exchange gas ejected from the jet port 103 can suck ambient air from the air circulation area 304 .

As shown in FIG. 3 , each first air outlet 114 may be provided with a first damper 101 , and each air intake 118 may be provided with a second damper 102 , and the first damper 101 and the second damper 102 are respectively configured to be controlled Open and close, so that the jet opening and/or the air duct 303 are opened and closed accordingly. For example, when both the first damper 101 and the second damper 102 are closed, the jet opening and the draft air duct 303 are both closed. The first damper 101 is opened, the second damper 102 is closed, the jet opening is open, and the air duct 303 is closed, at this time only the heat exchange airflow is sent out, and the ambient air cannot be sucked. Both the first damper 101 and the second damper 102 are opened, the jet port and the air-inducing air duct 303 are both opened, and the ambient air is driven by the heat-exchange airflow, mixed and sent out. In this way, the indoor unit 100 has various air supply modes to provide users with various air supply requirements, so that the users can choose different air supply modes according to their own needs, and the user experience can be improved.

The aforementioned bypass port 104 may be provided with a third damper (not shown), and the third damper is configured to be opened and closed in a controlled manner, so that the second air supply port 115 can be opened or stopped to supply air.

As shown in FIG. 3 , each second air outlet 115 may be provided with an air deflector group 117 , that is to say, the indoor unit 100 includes a plurality of air deflector groups 117 , and each air deflector group 117 is the same as the above-mentioned The plurality of second air supply ports 115 are in one-to-one correspondence. The wind deflector set 117 includes at least one wind deflector 1171 configured to be rotatable about respective lateral axes to open and close the corresponding second wind deflector 1171 using the aforementioned at least one wind deflector 1171 of each wind deflector set 117 The air supply port 115 is used to adjust the air outlet direction of the corresponding second air supply port 115 or to stop the air supply from the corresponding second air supply port 115 .

Each air deflector group 117 may include a plurality of air deflectors 1171 , and the plurality of air deflectors 1171 are distributed along the front and rear directions of the cabinet 110 . As shown in FIG. 3 , each air deflector group 117 includes two air deflectors Board 1171. The second air supply port 115 may be a square. In the embodiment shown in FIG. 3 , the second air supply port 115 is a rectangle, and there are two air guide plate groups 117 , and each air guide plate group 117 includes two front and rear distribution plates. Air deflector 1171.

Since the bypass port 104 is connected to the corresponding second air supply port 115, there is no need to provide a third air door at the bypass port 104. The bypass port 104 and the second air supply port 115 are opened and closed through the aforementioned air guide plate group 117. accomplish.

In the indoor unit 100 of the wall-mounted air conditioner of the present embodiment, a plurality of first air supply ports 114 and a plurality of second air supply ports 115 with different air supply directions are opened on the casing 110 , and each air guide portion 310 selects a plurality of first air supply ports 114 to the first air supply port 115 . The air supply port 114 and/or the plurality of second air supply ports 115 are supplied with air. According to the heating or cooling mode, the air supply requirements of different modes are met by opening and closing the first damper 101 , the second damper 102 , and the air deflector group 117 .

When the indoor unit 100 of the wall-mounted air conditioner performs cooling, the first damper 101 and the second damper 102 are opened, the air guide plate group 117 is closed, and each first air outlet 114 sends air to the outside. Specifically, the airflow enters the heat exchange air supply chamber from the air inlet 113 to exchange heat with the heat exchanger 121 . After being pressurized and accelerated by the air supply fan 211 , it enters the fan volute 212 , and is rectified by the fan volute 212 and sent into the air guide volute 311 . Since the air guide plate group 117 is closed, the heat exchange air flow is sent forward from the jet opening of the air guide member 312 . Under the acceleration of the jet air ring 3121, the air flow causes a strong negative pressure at the jet port 103 due to the wall effect, and the ambient air around it is sucked into the air duct 303 from the air inlet 118, mixed with the heat exchange airflow, and then lifts the air out. The temperature, the air is cool but not cold, the body feels more comfortable, and the air supply volume is increased, and the airflow is blown forward, avoiding the problem of discomfort caused by the cold air blowing directly on the human body.

When the indoor unit 100 of the wall-mounted air conditioner performs heating, different ventilation modes can be selected as required. In the first heating and heat exchange mode, both the first damper 101 and the second damper 102 are closed, the air guide plate group 117 is opened, and air is only supplied from each of the second air supply ports 115 . Specifically, the airflow enters the heat exchange air supply chamber from the air inlet 113 to exchange heat with the heat exchanger 121 . After being pressurized and accelerated by the air supply fan 211 , it enters the fan volute 212 , and is rectified by the fan volute 212 and sent into the air guide volute 311 . Since both the first air door 101 and the second air door 102 are closed, all the air flow enters the air guide volute 311 , flows to the corresponding second air supply port 115 through the bypass port 104 , and is sent out downward through the guide provided at the second air supply port 115 . The wind panel 1171 can adjust the airflow direction to a certain extent. The airflow is sent downward to realize foot-warming air supply, which can quickly heat the user's legs and feet.

In the second heating and heat exchange mode, the first air door 101 is opened, the second air door 102 is closed, the air deflector group 117 is opened, and each first air supply port 114 and each second air supply port 115 supply air at the same time. Specifically, the airflow enters the heat exchange air supply chamber from the air inlet 113, exchanges heat with the heat exchanger 121, enters the fan volute 212 after being pressurized and accelerated by the air supply fan 211, and is rectified and sent into the air guide through the fan volute 212 Volute 311. A part of the air flow is sent forward from the jet port 103 of the air guide 312, and because the second damper 102 is closed, the air flow sent out from each first air supply port 114 is not mixed with the ambient air flow, and the temperature of the air flow sent out is relatively high, which quickly increases the indoor temperature; A part of the air flow flows from the bypass port 104 of the air guide volute 311 to the corresponding second air supply port 115, and is sent downward to heat the indoor bottom to meet the requirement of heating the whole room.

The indoor unit 100 of the wall-mounted air conditioner in this embodiment has a plurality of first air outlets 114 and a plurality of second air outlets 115. The specially designed positions of the first air outlets 114 and the second air outlets 115 make the wall-mounted air conditioner indoors. The appearance of the machine 100 breaks the traditional wall-mounted machine form, and the style is novel and unique. In addition, the indoor unit 100 of this embodiment selects one or two groups of the first air supply port 114 and the second air supply port 115 to supply air through the air guide portion 310, thereby expanding the selection of the air supply direction. The first air supply port 114 It is arranged on the front panel 111 of the casing 110 and is used for supplying air to the front of the indoor unit 100, and is suitable for blowing forward with a large air volume during cooling or heating; the second air supply port 115 is arranged at the bottom of the casing 110. , which is suitable for the condition of supplying air to the user's feet during heating. In addition, the first air supply port 114 can supply air by means of a jet port, and the surrounding ambient air is sucked and mixed with the heat exchange airflow with a severe temperature difference in the surrounding environment, so as to ensure that the air flow sent out is soft, forming a hot but not dry, cool but not cold. The comfortable wind is increased, and the air supply volume is increased to speed up the flow of indoor air.

By now, those skilled in the art will recognize that, although various exemplary embodiments of the present invention have been illustrated and described in detail herein, the present invention may still be implemented in accordance with the present disclosure without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. a kind of wall-hanging indoor unit of air conditioner, comprising:

Casing inside defines heat exchange wind pushing cavity, and the casing offers air inlet, multiple first air outlets and multiple second Air outlet, wherein the direction of the multiple first air outlet and the multiple second air outlet is set as different；

Multiple air-supply assemblies are set in the heat exchange wind pushing cavity, each air-supply assembly include air feed portion and with it is described The air dam of air feed portion connection, is provided with breeze fan in each air feed portion；

Heat exchanger, be set between the breeze fan and the air inlet air intake road, with from the air inlet into The surrounding air entered exchanges heat, to form heat exchange air-flow；

Wherein, an air dam is corresponding with first air outlet and second air outlet, and each institute Air dam is stated to be disposed as and the connection of corresponding first air outlet and/or being connected to corresponding second air outlet, Corresponding first air outlet and/or corresponding described are led to the exchanging air conductance that the breeze fan is discharged Two air outlets.

2. wall-hanging indoor unit of air conditioner according to claim 1, wherein

The multiple air-supply assembly is arranged at a spacing in the heat exchange wind pushing cavity, and the same air-supply assembly is described Air feed portion is transversely distributed with the air dam；

The multiple first air outlet is formed in the front panel of casing region corresponding with each air dam, and institute It states multiple second air outlets and is formed in the bottom wall of casing region corresponding with each air dam.

3. wall-hanging indoor unit of air conditioner according to claim 2, wherein

The air dam of the same air-supply assembly is located at the lateral outer side in the air feed portion.

4. wall-hanging indoor unit of air conditioner according to claim 2, wherein

The air inlet is multiple groups, and each group air inlet is horizontally arranged at interval in the front panel or rear wall of the casing, and one group into Air port is corresponding with the breeze fan；

The heat exchanger be it is multiple, be distributed to each heat exchanger lateral separation, and with each group air inlet correspond, it is each Air inlet of the heat exchanger between corresponding one group of air inlet and the breeze fan corresponding with this group of air inlet On flow path.

5. wall-hanging indoor unit of air conditioner according to claim 2, wherein

Each breeze fan is centrifugal blower, and the rotation axis of each breeze fan is along the front and back of the casing Direction setting；

Each air feed portion further includes the volute of blower for being set to the corresponding breeze fan periphery, the volute of blower with it is right The air dam connection answered.

6. wall-hanging indoor unit of air conditioner according to claim 5, wherein

Each air dam includes:

Wind-guiding spiral case is connected to the corresponding volute of blower, and annular passage, and the annular wind are defined in the wind-guiding spiral case The center in road forms pre-and post perforative air inducing air duct, and the air inducing air duct is opposite with corresponding first air outlet；And it is each The bottom wall of the wind-guiding spiral case is formed with the by-pass port communicated with the annular passage, a by-pass port and an institute It states the second air outlet relatively and connects；

Air guide member is set in the air inducing air duct, and be connected with the annular passage, and each air guide member includes more A jet stream solar or lunar halo extended around front-rear direction, and each jet stream solar or lunar halo is coaxially distributed along the longitudinal direction, it is two neighboring described Jet orifice is formed between jet stream solar or lunar halo, the jet orifice is used to forward spray the air-flow of the annular passage, and described in drive Air in air inducing air duct sends forward.

7. wall-hanging indoor unit of air conditioner according to claim 6, wherein

The rear wall of the casing position opposite with each air inducing air duct offers air-vent respectively, to work as the jet orifice When the air-flow of the corresponding annular passage is sprayed forward, the surrounding air around the corresponding air-vent is promoted to flow forward The dynamic heat exchange air blown out in the air inducing air duct with the jet orifice that enters mixes.

8. wall-hanging indoor unit of air conditioner according to claim 7, wherein

The rear wall of the casing region opposite with each air guide member is recessed forward, so that the rear of each air-vent All have air circulation region.

9. wall-hanging indoor unit of air conditioner according to claim 7, wherein

It is provided at each first air outlet at the first air door and each air-vent and is provided with the second air door, institute It states the first air door and second air door is respectively configured as controllably being opened and closed, so that the jet orifice and/or the air inducing Air duct is accordingly opened and closed.

10. wall-hanging indoor unit of air conditioner according to claim 1, further includes:

Multiple wind-guiding board groups are corresponded with the multiple second air outlet, and each wind-guiding board group includes at least one Wind deflector, the wind deflector is configured to controllably to rotate around respective transverse axis, to utilize each wind-guiding board group At least one described wind deflector is opened and closed corresponding second air outlet, to adjust the outlet air side of corresponding second air outlet To or make corresponding second air outlet out-of-blast.