WO2021000595A1

WO2021000595A1 - Wall-mounted air conditioner indoor unit

Info

Publication number: WO2021000595A1
Application number: PCT/CN2020/078594
Authority: WO
Inventors: 关婷婷; 王永涛; 闫宝升; 张蕾; 尹晓英
Original assignee: 青岛海尔空调器有限总公司; 海尔智家股份有限公司
Priority date: 2019-07-04
Filing date: 2020-03-10
Publication date: 2021-01-07
Also published as: CN112178772B; CN112178772A

Abstract

A wall-mounted air conditioner indoor unit (100) comprises a housing (110), an air supply assembly, and an indoor heat exchanger (101). A top air inlet (111a) is provided on a top wall of the housing (110). A front air outlet (111b) is provided on a front wall (1110). A side air outlet (111d) is provided on a lateral side wall of the housing (110). The front air outlet (111b) is provided in a lower region of the front wall (1110) of the housing (110). The front wall (1110) of the housing (110) is inclined forwards from bottom to top, in this way the inclined front wall (1110) of the indoor unit (100) prevents hot airflow blown out of the front air outlet (111b) from returning upwards, thus improving a heating effect. The air supply assembly comprises an air supply portion and an air guide portion. An air supply fan is provided in the air supply portion. The air supply fan is configured to suck in ambient air from the surrounding environment of the top air inlet (111a), and cause the air to flow towards the air guide portion. The air guide portion is configured to guide airflow blown from the air supply fan to the front air outlet (111b) and/or the side air outlet (111d), and thereby providing more air supply direction options, meeting different air supply requirements in cooling and heating modes, and improving user experience of air supply.

Description

Wall-mounted air conditioner indoor unit

Technical field

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

Background technique

The air conditioner is one of the necessary household appliances. The wall-mounted air conditioner indoor unit is a common form of indoor unit. Because of its small footprint, it is widely used.

The indoor unit of the existing wall-mounted air conditioner is mainly a cross-flow fan with a single air outlet for air supply. There is no airflow intervention structure for the inlet and outlet air. When heating, the upper airflow blown from the air outlet is easily affected by the negative pressure of the upper air inlet. The heat exchange of ambient air directly returns to the indoor unit, which affects the heating effect.

Summary of the invention

An object of the present invention is to prevent the hot air blown from the air outlet when the indoor mechanism of the wall-mounted air conditioner is heated from returning, and to improve the heating effect.

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 and improve the air supply comfort.

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

The casing defines a heat exchange and air supply cavity, the casing is provided with a top air inlet, a front air outlet and at least one side air outlet, and the top air inlet is opened on the top wall of the casing. The front air outlet is opened in the lower area of the front wall of the casing, the side air outlet is opened on the lateral side wall of the casing, and the front wall of the casing is inclined forward from bottom to top;

The air supply assembly is arranged in the heat exchange air supply cavity and includes an air supply part and an air guide part. The air supply part is provided with an air supply fan, and the air supply fan is configured to enter from the periphery of the top air inlet The environment sucks in ambient air and encourages the air to flow to the air guide, the air guide is configured to guide the air flow blown by the blower to the front air outlet and/or the at least one side air outlet;

The indoor heat exchanger is arranged in the heat exchange air supply cavity and located on the air inlet flow path between the top air inlet and the air supply part.

Optionally, the air supply part and the air guide part are distributed along the height direction of the casing;

The air supply fan is a centrifugal fan, and the rotating shaft of the centrifugal fan is arranged in the front and rear direction;

The air supply part includes a fan volute, which is arranged on the outer periphery of the centrifugal fan and communicates with the air guide part.

Optionally, the air guiding part includes:

The air guide housing defines an air guide cavity communicating with the fan volute, and an area on the front side of the air guide housing opposite to the front air outlet is provided with a front communicating with the air guide cavity The air guide housing is also provided with at least one side bypass opening communicating with the air guide cavity, the at least one side bypass opening corresponds to the at least one side air outlet in a one-to-one correspondence and correspondingly butted, The side bypass opening is opened on the lateral side wall of the air guiding shell to supply air to the corresponding side air outlet;

The air guiding member is arranged in the air guiding cavity, and the front end of the air guiding member extends through the front escape opening to the front air outlet. The air guiding member has a through air passage extending forward and backward and penetrating forward and backward, and at least one circling around the front and rear An annular jet opening extending in a direction, the annular jet opening is configured to guide the heat exchange air flow blown by the centrifugal fan to the through ventilation duct and blow the air forward to drive the air flow in the through ventilation duct forward To the front air outlet.

Optionally, an area where the rear wall of the air guiding shell is opposite to the through ventilation duct is provided with a rear escape opening;

The area of the rear wall of the casing opposite to the rear escape opening is provided with a rear air inlet, so that when the annular jet port blows the air forward, the ambient air around the rear air inlet is encouraged to enter the through ventilation duct and The heat exchange airflow introduced into the through ventilation duct from the annular jet port is mixed.

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

The first air deflector is arranged adjacent to the front opening of the through ventilation duct, and is configured to rotate around a vertical rotation axis to open and close the front opening of the through ventilation duct;

The second air deflector is arranged adjacent to the rear opening of the through ventilation duct, and is configured to rotate around another vertical axis to open and close the rear opening of the through ventilation duct;

And, when the first air deflector and the second air deflector are both opened, the first air deflector and the second air deflector are configured to be driven to rotate to an initial position with a partial overlap , And configured to be driven to rotate leftward or rightward synchronously from the initial position to adjust the airflow direction.

Optionally, there are two at least one side air outlet, the two side air outlets are respectively opened on two lateral side walls of the casing, the at least one side bypass opening is two, and two The side bypass openings are respectively opened on two lateral side walls of the air guiding shell;

The indoor unit further includes: two third wind deflector groups corresponding to the two side bypass ports one-to-one, and the third wind deflector group is arranged at the corresponding side bypass ports, and It includes at least one third wind deflector, each of the third wind deflectors is configured to be driven to rotate around a respective rotating shaft extending forward and backward to close the corresponding side air outlet or guide the corresponding side air outlet The air blowing out.

Optionally, the wind guide member includes a rear wind guide ring, a middle wind guide ring, and a front wind guide ring arranged in sequence from back to front;

The rear wind guide ring, the middle wind guide ring, and the front wind guide ring all have a front opening, a rear opening, and an airflow channel that penetrates the front opening and the rear opening front and rear to define the Through the ventilation duct, the front opening of the front air guide ring is butted with the front air outlet;

The front section of the rear wind guide ring is located at the radial inner side of the rear section of the middle wind guide ring and is arranged at intervals, and the front section of the middle wind guide ring is located at the front side guide The radial inner side of the rear section of the wind ring is arranged at intervals, so that the rear side wind guide ring and the middle wind guide ring define the annular jet port on the rear side, and the middle wind guide ring The front side air guide ring and the front side air guide ring define the front side annular jet port.

Optionally, the peripheral wall of the front air guide ring includes a first toroidal curved surface, a second toroidal curved surface, and a third curved surface that are sequentially distributed from back to front;

The first toroidal curved surface is tapered from back to front, the second toroidal curved surface is gradually expanded from back to front, and the third curved surface is shaped such that the projection of its front end edge on a vertical plane parallel to the front and back direction is the front end Edge projection line

The projection of the front edge of the front air outlet on the vertical plane is the front air outlet projection line, and the front edge projection line and the front air outlet projection line are the same straight line.

Optionally, the fan volute and the air guide housing are of an integrated design, the upper section of the fan volute contains the blower, and the lower section of the fan volute is formed by the The upper section extends forward and downward to the wind guide shell;

The rear wall of the upper section extends from top to bottom, the rear wall of the lower section extends downward and forward from the lower end of the rear wall of the upper section, and the rear wall of the wind guide housing is The lower end of the rear wall of the lower section extends downward;

The rear wall of the casing includes an upper section of the rear wall that is attached to the rear wall of the upper section and extends from the lower end of the upper section of the rear wall to the lower side and front and is connected to the lower section. The middle section of the rear wall to which the rear wall of the section is attached and the lower section of the rear wall that extends downward from the lower end of the middle section of the rear wall and is attached to the rear wall of the air guiding shell;

The rear air inlet is opened in the lower section of the rear wall.

Optionally, an air inlet of an air supply part is formed at the front end of the fan volute;

The indoor heat exchanger is vertically arranged in front of the air inlet of the air supply part;

The top air inlet is opened in the front area of the top wall of the casing, and is located above the front side of the indoor heat exchanger.

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

The water receiving pan is arranged below the indoor heat exchanger, and is used to support the indoor heat exchanger and receive the condensed water flowing down from the indoor heat exchanger;

The sealing plate is arranged behind the indoor heat exchanger, the rear wall of which is formed with an opening communicating with the air inlet of the air supply part, the upper end of which abuts against the top wall of the casing, and the lower end of which is The water pan cooperates to seal the lower part of the indoor heat exchanger, so that all the air entering from the top air inlet passes through the indoor heat exchanger to exchange heat.

In the indoor unit of the wall-mounted air conditioner of the present invention, the front air outlet is opened in the lower area of the front wall of the cabinet, and the front wall of the cabinet is inclined forward from bottom to top, so that the inclined front wall of the indoor unit is used to block the front exit The hot air blown from the air outlet flows upwards, so that the hot air blown from the front air outlet fully exchanges heat with the indoor ambient air, and then is sucked into the indoor unit and exchanges heat with the indoor heat exchanger to improve the heating effect.

Further, the indoor unit of the wall-mounted air conditioner of the present invention can select one or two of the front air outlet and the side air outlet to supply air through a blower and an air guide, which expands the flexibility of the selection of the air supply direction. The indoor temperature can be made fast and uniform, meet different air supply requirements in cooling and heating modes, improve the user's air supply experience, and lower production costs.

Furthermore, in the indoor unit of the wall-mounted air conditioner of the present invention, the annular jet port of the wind guide member blows the air flow forward, so that the ambient air at the rear enters the through ventilation duct to mix with the heat exchange air flow, thereby increasing the air supply volume. It makes the air flow sent farther, and can also make the air sent out softer, forming a comfortable wind that is warm but not dry, cool but not cold.

Furthermore, the indoor unit of the wall-mounted air conditioner of the present invention is designed with a special shape and distribution form on the fan volute, the air guide shell, and the rear and front walls of the cabinet, so that the rear and the bottom of the rear air inlet have a relatively high The large air circulation space can ensure the air inlet volume and smoothness of the rear air inlet, so that the natural wind can better enter the through ventilation duct of the air guiding member to mix with the heat exchange air, and achieve a more ideal air induction effect.

Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will better understand the above and other objectives, advantages and features of the present invention.

Description of the drawings

Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary but not restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the attached picture:

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

2 is an exploded schematic diagram of the indoor unit of the wall-mounted air conditioner according to an embodiment of the present invention;

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

4 is a side cross-sectional view of the indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention, in which the first wind deflector and the second wind deflector are in a closed state; and

Fig. 5 is a schematic side sectional view of the indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention, in which the first wind deflector and the second wind deflector rotate to an initial position with a partial overlap.

Detailed ways

This embodiment provides a wall-mounted air conditioner indoor unit 100. For ease of description, the “upper”, “lower”, “front”, “rear”, “top”, “bottom”, and “horizontal” ”And other positions are defined according to the spatial position relationship of the wall-mounted air conditioner indoor unit 100 under normal working conditions. For example, as shown in FIG. 4, the side of the wall-mounted air conditioner indoor unit 100 facing the user is the front, and the one near the wall The side is the back. The lateral direction refers to a direction parallel to the width direction of the indoor unit 100, that is, refers to the left-right direction.

Fig. 1 is a schematic side view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention, and Fig. 2 is an exploded view of the wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention.

The wall-mounted air conditioner indoor unit 100 of this embodiment may generally include: a cabinet 110, an air supply assembly, and an indoor heat exchanger 101.

A heat exchange and air supply cavity is defined in the casing 110. In the embodiment shown in the drawings, the casing 110 may include a casing 111 having a rearward opening and a rear panel 112 disposed at the rearward opening of the casing 111. The casing 111 and the rear panel 112 cooperate to define For the heat exchange air supply cavity, the cover shell 111 may be formed by a top wall, a side wall, a front wall 1110 and a bottom wall. The rear panel 112 closes the rear opening of the cover shell 111 to thereby close the heat exchange air supply cavity.

The casing 110 is provided with a top air inlet 111a, a front air outlet 111b and at least one side air outlet 111d. The top air inlet 111a is opened on the top wall of the casing 110, and the front air outlet 111b is opened on the front wall 1110 of the casing 110. The air outlet 111d is opened on the lateral side wall of the casing 110. In the embodiment shown in the drawings, the top wall of the casing 110 refers to the top wall of the casing 111, the front wall 1110 of the casing 110 refers to the front wall of the casing 111, and the bottom wall of the casing 110 That is, it refers to the bottom wall of the casing 111, and the lateral side wall of the casing refers to the lateral side wall of the casing 111.

In particular, the front air outlet 111b is opened in the lower area of the front wall 1110 of the casing 110, and the front wall 1110 of the casing 110 is inclined forward from bottom to top, so that the inclined front wall 1110 of the indoor unit 100 is used to block the front wall 1110. The hot air blown from the tuyere 111b flows upwards, so that the hot air blown from the front outlet 111b fully exchanges heat with the indoor ambient air, and then is sucked into the indoor unit 100 to exchange heat with the indoor heat exchanger 101 to improve the heating effect.

The air supply assembly is arranged in the heat exchange air supply cavity and includes an air supply part and an air guide part. The air supply part is provided with an air supply fan. The air supply fan is configured to suck in ambient air from the surrounding environment of the top air inlet 111a and promote the air The air guiding part flows, and the air guiding part is configured to send the air flow blown by the air blower to the front air outlet 111b and/or the side air outlet 111d to send air to the indoor environment from the front air outlet 111b and/or the side air outlet 111d. In this way, one or two of the front air outlet 111b and the side air outlet 111d can be selected for air supply through the air guide part, which can expand the choice of air supply direction, meet the different air supply requirements in the cooling and heating mode, and improve the user's air supply Wind experience.

The indoor heat exchanger 101 is arranged in the heat exchange air supply cavity and is located on the air inlet flow path between the top air inlet 111a and the air supply part. The indoor heat exchanger 101 is a part of the refrigeration system. The refrigeration system can be realized by a compression refrigeration cycle. The compression refrigeration cycle uses a refrigerant in the compression phase change cycle of the compressor, condenser, evaporator, and throttling device to realize 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 indoor heat exchanger 101 alternately serves as an evaporator or a condenser to realize a cooling or heating function. 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.

In this embodiment, the type and position of the air supply fan and the positions of the air supply part and the air guide part may have various situations. For example, the air supply fan may be a centrifugal fan, an axial flow fan, a diagonal flow fan, etc. The air supply part The position of the air guide can be determined according to the type of air blower.

Fig. 3 is a schematic diagram of the air supply assembly of the indoor unit 100 of the wall-mounted air conditioner according to an embodiment of the present invention.

In the embodiment shown in the drawings, the air supply part and the air guide part are distributed along the height direction of the casing 110, so that the air supply assembly is arranged vertically as a whole, and the front and rear space occupied by the air supply assembly is reduced, thereby reducing The overall thickness of the wall-mounted air conditioner indoor unit 100. The air supply fan can be a centrifugal fan 130. The rotating shaft of the centrifugal fan 130 is arranged in the front and rear direction. The air supply part also includes a fan volute 120, which is arranged on the outer periphery of the centrifugal fan 130 and communicates with the air guide part to discharge the centrifugal fan 130. The airflow is guided to the wind guide. The impeller of the centrifugal fan 130 is driven to rotate by a high-speed motor 131. A fan guard 132 is provided on the rear side of the fan volute 120, and the high-speed motor 131 is installed on the fan guard 132.

The centrifugal fan 130 can suck the ambient air around the top air inlet 111a from its axial rear end or front end. In the embodiment shown in the drawings, the front end of the fan volute 120 is formed with an air supply inlet 120a, and the centrifugal fan 130 Air is sucked in from its axial front end, the indoor heat exchanger 101 is vertically arranged in front of the air inlet 120a of the air supply part, and the top air inlet 111a can be opened in the front area of the top wall of the casing 110 and located indoors The front side of the heat exchanger 101 is above. In this embodiment, the centrifugal fan 130, the indoor heat exchanger 101, and the top air inlet 111a are arranged in such a manner that an airflow channel is formed between the front wall 1110 of the casing 110 and the indoor heat exchanger 101 to reduce wind resistance and increase airflow The smoothness.

4 is a side cross-sectional view of the indoor unit 100 of the wall-mounted air conditioner according to an embodiment of the present invention, in which the first wind deflector 104 and the second wind deflector 105 are in a closed state.

In some embodiments, the air guiding part includes an air guiding housing 140 and an air guiding member 150. The air guiding housing 140 defines an air guiding cavity communicating with the fan volute 120, and the front side of the air guiding housing 140 and the front The area opposite to the air outlet 111b is provided with a front escape opening 140b communicating with the air guiding cavity. The air guiding member 150 is arranged in the air guiding cavity, and the front end of the air guiding member 150 extends through the front escape opening 140b to extend the front air outlet 111b, and the air guiding member 150 has a through air passage 150b extending forward and backward and penetrating forward and backward and at least one extending around the forward and backward directions The annular jet port 150a, the annular jet port 150a is configured to guide the heat exchange airflow blown by the centrifugal fan 130 to the through ventilation duct 150b and blow the air forward to drive the airflow in the through ventilation duct 150b forward to the front air outlet 111b. The heat exchange airflow discharged by the centrifugal fan 130 is accelerated by the annular jet port 150a, and is rapidly blown forward from the through ventilation duct 150b to the indoor environment, increasing the air supply distance.

In order to cooperate with the through ventilation duct 150b, the rear wall of the air guide housing 140 is provided with a rear escape opening (not shown) in the area opposite to the through ventilation duct 150b, and the rear wall of the casing 110 is provided with a rear entrance in the area opposite to the rear escape opening. When the air opening 112a and the annular jet opening 150a blow the air forward, it can encourage the ambient air around the rear air inlet 112a to enter the through ventilation duct 150b to mix with the heat exchange air flow introduced into the through ventilation duct 150b by the annular jet opening 150a, which increases the air flow. The air volume can also make the air flow sent out softer, forming a comfortable wind that is warm but not dry, cool but not cold.

The air guiding member 150 may include a rear air guiding ring 151, a middle air guiding ring 152, and a front air guiding ring 153, which are arranged sequentially from back to front, the rear air guiding ring 151, the middle air guiding ring 152, and the front air guiding ring. The wind ring 153 has a front opening, a rear opening, and an air flow channel passing through the front opening and the rear opening to define the aforementioned through air passage 150b. The front opening of the front wind guide ring 153 is connected to the front air outlet 111b. The front section of the rear air guide ring 151 is located at the radially inner side of the rear section of the middle air guide ring 152 and is arranged at intervals. The front section of the middle air guide ring 152 is located behind the front air guide ring 153 The radial inner side of the section is arranged at intervals, so that the rear side air guide ring 151 and the middle air guide ring 152 define the rear annular jet port 150a, and the middle air guide ring 152 and the front side air guide ring 153 define The annular jet port 150a on the front side is configured as two annular jet ports 150a distributed forward and backward, so that the airflow blown from the annular jet port 150a on the front side is guided to promote the airflow blown from the rear annular jet port 150a to flow forward, increasing The overall air supply distance and air supply volume.

The inventor creatively discovered that the air guide member 150 with two annular jet ports 150a distributed in sequence in the front and back not only significantly increases the air supply distance, but also greatly improves the air guide member 150 with only one annular jet port 150a. Air volume.

The rear side wind guide ring 151, the middle wind guide ring 152, and the front side wind guide ring 153 of the wind guide member 150 can be constructed in one piece to simplify the manufacturing process of the wind guide member 150 and facilitate the overall assembly of the wind guide member 150.

The peripheral wall of the front air guide ring 153 includes a first toroidal curved surface 153a, a second toroidal curved surface 153b, and a third curved surface 153c that are sequentially distributed from back to front. The first toroidal curved surface 153a is tapered from back to front, and the second toroidal curved surface 153b Expanding from back to front, the tapered section of the front air guide ring 153 (that is, the first annular curved surface 153a) can more effectively guide the air flow forward, which is conducive to the mixing of natural wind and heat exchange air, and improves air delivery Uniformity, while the diverging section of the front air guide ring 153 (that is, the second annular curved surface 153b) effectively guides the air flow forward, it expands the air flow channel of the front air guide ring 153 to increase the air supply range .

The lower end edge of the second annular curved surface 153b extends to the front air outlet 111b, and the third curved surface 153c is shaped such that the projection of the front end edge and the upper end edge on a vertical plane parallel to the front-rear direction is the front end edge projection line 1531, and the upper end edge projection Line (not labeled), the projection of the front edge of the front air outlet 111b on the aforementioned vertical plane is the front air outlet projection line 1111, the front edge projection line 1531 and the front air outlet projection line 1111 are the same straight line, and the upper edge projection line is along the Extend back and forth. In this way, the front end edge of the front air guide ring 153 presents a forward-inclined shape that matches the forward-inclined front wall 1110 of the casing 110, which can ensure that the airflow can flow more smoothly and smoothly through the forward air outlet 111b, and improve the delivery Wind efficiency. In addition, the airflow through the air passage 150b near the lower end edge of the second annular curved surface 153b is guided downward on the front side, and the airflow near the upper end edge of the third curved surface 153c is guided toward the front side. The front side air guide ring 153 of the aforementioned structure of this embodiment can increase the downward blowing angle of the airflow, and further prevent the airflow from the front air outlet 111b from flowing upward.

The rear air guide ring 151 can be tapered to extend from back to front, and the middle air guide ring 152 can be tapered to extend from back to front, so that the air flow on the rear side can flow forward more smoothly and fully exchange heat Air mixing improves the uniformity of air supply.

In the embodiment shown in the drawings, the fan volute 120 and the air guide housing 140 are of integrated design, the upper section 121 of the fan volute 120 houses the centrifugal fan 130, and the lower section 122 of the fan volute 120 is formed by The upper section 121 extends forward and downward to the air guide housing 140, which can prevent airflow from flowing through the fan volute 120 on the path of the air guide housing 140 to a certain extent. The boundary layer effect occurs due to the uneven transition line, which can The turbulence and turbulence of the gas are avoided, so that the airflow can flow more smoothly and smoothly on the wind guide housing 140.

The rear wall 1211 of the upper section 121 extends from top to bottom, the rear wall 1221 of the lower section 122 extends from the lower end of the rear wall 1211 of the upper section 121 to the lower side and front, and the rear wall 141 of the air guide housing 140 extends from the lower part. The lower end of the rear wall 1221 of the section 122 extends downward. The rear wall of the casing 110 includes a rear wall upper section 1121 that is attached to the upper section 1211 and extends up and down. The lower end of the rear wall upper section 1121 extends downward to the front and is connected to the rear wall 1221 of the lower section 122. The middle section of the rear wall 1122 that is attached and the lower section 1123 of the rear wall that extends downward from the lower end of the middle section 1122 of the rear wall and is attached to the rear wall 141 of the air guide housing 140, and the rear air inlet 112a is opened in the rear Below the wall section 1123.

In this embodiment, by designing the fan volute 120, the air guide shell 140, and the rear wall and the front wall 1110 of the casing 110 into the above-mentioned special shape and distribution form, there is greater air circulation behind and below the rear air inlet 112a. The space can ensure the air intake volume and smoothness of the rear air inlet 112a, so that the natural wind can better enter the through ventilation duct 150b of the air guiding member 150 to mix with the heat exchange air, and achieve a more ideal air guiding effect. Moreover, the indoor unit 100 of the wall-mounted air conditioner thus constructed presents a novel style with a wide top and a narrow bottom, breaking the form of the indoor unit 100 of the traditional wall-mounted air conditioner, so that the lateral sides of the indoor unit 100 can be better fitted The corner space of the indoor room is conducive to saving the space occupied by the indoor unit 100 and can better meet the needs of users.

Fig. 5 is a schematic side sectional view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention, in which the first wind deflector 104 and the second wind deflector 105 are rotated to have a partially overlapping initial position.

The indoor unit 100 also includes a first air deflector 104 and a second air deflector 105. The first air deflector 104 can be arranged adjacent to the front opening of the through ventilation duct 150b, and is configured to rotate around a vertical axis to open and close the through ventilation duct. The front opening of 150b makes the air flow from the front air outlet 111b to the indoor environment; the second air deflector 105 is arranged adjacent to the rear opening of the through ventilation duct 150b, and is configured to rotate around another vertical axis to open and close the through ventilation duct 150b The rear opening is convenient for natural wind to enter the through ventilation duct 150b through the rear air inlet 112a to mix with the heat exchange air, so that the air flow from the front air outlet 111b is softer. The indoor unit 100 of this embodiment selects whether to blow air to the indoor environment from the front air outlet 111b through the opening and closing of the first air guide plate 104, and selects whether to blow heat to the indoor environment through the opening and closing of the second air guide plate 105 The airflow is mixed with natural wind, thereby providing users with more air supply experience and meeting the diverse needs of users.

The arrangement position, shape and size of the first air deflector 104 and the second air deflector 105 satisfy: when the first air deflector 104 and the second air deflector 105 are both opened, the first air deflector 104 and the second air deflector 105 The wind plate 105 is configured to be driven to rotate to an initial position with a partial overlap, and is configured to be driven to rotate left or right from the initial position synchronously, so that the first wind deflector 104 and the second wind deflector can be used The plate 105 adjusts the airflow direction of the air passage 150b in the lateral direction (left-right direction) to send the airflow from the front air outlet 111b to the left or right, increase the airflow coverage, and improve the temperature uniformity of the indoor environment.

In the embodiment shown in the drawings, the first wind deflector 104 is arranged in the front wind deflector 153, the second wind deflector 105 is arranged in the rear wind deflector 151, and the first wind deflector 104 and the second wind deflector The two air deflectors 105 are both circular. The first air deflector 104 can be rotated 90° clockwise from the closed position to the initial position, and the second air deflector 105 can be rotated 90° counterclockwise from the closed position to the initial position, which is in the initial position The rear arc section of the first wind deflector 104 overlaps the front arc section of the second wind deflector 105 in the initial position.

The lateral side wall of the air guiding shell 140 is provided with at least one side bypass opening 140a communicating with the air guiding cavity. The at least one side bypass opening 140a corresponds to the aforementioned at least one side air outlet 111d in a one-to-one correspondence and is correspondingly butted. The opening 140a is opened on the lateral side wall of the air guiding shell 140 to send air to the corresponding side air outlet 111d. In the embodiment shown in the drawings, there are two side air outlets 111d, and the two side air outlets 111d are respectively opened on two lateral side walls of the casing 110. Accordingly, there are two side bypass openings 140a. The two side bypass openings 140a are respectively opened on two lateral side walls of the air guiding shell 140.

The indoor unit 100 also includes two third wind deflector groups, corresponding to the two side bypass openings 140a one-to-one. The third wind deflector group is disposed at the corresponding side bypass opening 140a, and includes at least one third wind deflector group. The wind panels 107, each of the third wind guide panels 107 are configured to be driven to rotate around their respective front and rear rotating shafts to close the corresponding side air outlet 111d or guide the air flow blown from the corresponding side air outlet 111d.

The wall-mounted air conditioner indoor unit 100 of this embodiment can select different air supply modes according to needs.

When the indoor unit 100 is in the cooling mode, the first air deflector 104 and the second air deflector 105 are both open, and the third air deflector 107 is closed. The indoor unit 100 sends air into the room through the front air outlet 111b. The airflow enters the heat exchange air supply cavity from the top air inlet 111a, exchanges heat with the indoor heat exchanger 101, is pressurized and accelerated by the centrifugal fan 130, enters the fan volute 120, and enters the air guide housing 140 after being rectified by the fan volute 120 . The heat exchange airflow is blown forward from the annular jet port 150a of the air guiding member 150. Due to the guiding effect of the air guiding ring 151 on the rear side of the air guiding member 150, a sufficient negative pressure is formed in the through air duct 150b to make the rear air inlet A large amount of air in the surrounding environment of 112a enters the through ventilation duct 150b through the rear escape port under the negative pressure, and then mixes with the heat exchange airflow from the annular jet port 150a to increase the temperature of the airflow blown from the front air outlet 111b, which makes the body feel more comfortable. During the cooling process of the indoor unit, the airflow blown from the front air outlet 111b can be guided by the first air guide 104 and the second air guide 105.

When the indoor unit 100 is in the heating mode, the first air deflector 104 and the second air deflector 105 are both closed, the third air deflector 107 is both opened, and the indoor unit 100 sends air into the room from two side air outlets 111d respectively. The airflow enters the heat exchange air supply cavity from the top air inlet 111a, exchanges heat with the indoor heat exchanger 101, is pressurized and accelerated by the centrifugal fan 130, enters the fan volute 120, and enters the air guide housing 140 after being rectified by the fan volute 120 . Since the first air deflector 104 and the second air deflector 105 are both closed, part of the air entering the air deflector housing 140 flows to the two side air outlets 111d through the two side bypass openings 140a, and from the two side air outlets 111d Supply air to the indoor environment. The two third air guide plates 107 on the left and right sides can divert the air flow from the corresponding side air outlet 111d downwards, so that the air flow from the two side air outlets 111d directly reaches the ground, forming a vertical warm foot air supply, and lift Heating effect and user's heating experience.

When the indoor unit 100 is in the cooling/heating mode, other air supply modes can be selected by adjusting the opening and closing of the first air deflector 104, the second air deflector 105, and the third air deflector 107.

In this embodiment, the wall-mounted air conditioner indoor unit 100 may also include a water receiving tray 103 and a sealing plate 102, which are arranged below the indoor heat exchanger 101 for supporting the indoor heat exchanger 101 and receiving it from the indoor heat exchanger 101 Condensate flowing down. The sealing plate 102 can be arranged behind the indoor heat exchanger 101, its rear wall is formed with an opening communicating with the air inlet 120a of the air supply part, its upper end abuts against the top wall of the casing 110, and its lower end is matched with the water receiving pan 103 The underside of the indoor heat exchanger 101 is sealed so that all the air entering from the top air inlet 111a passes through the indoor heat exchanger 101 to exchange heat, that is, to ensure that the air sucked in by the centrifugal fan 130 is all heat exchange air, thereby improving cooling and heating effect. Among them, the indoor heat exchanger 101 may be a plate heat exchanger.

So far, those skilled in the art should realize that although a number of exemplary embodiments of the present invention have been illustrated and described in detail herein, they can still be disclosed according to the present invention without departing from the spirit and scope of the present invention. The content directly determines or deduces many other variations or modifications that conform to the principles of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims

A wall-mounted air conditioner indoor unit, including:

The casing defines a heat exchange and air supply cavity, the casing is provided with a top air inlet, a front air outlet and at least one side air outlet, and the top air inlet is opened on the top wall of the casing. The front air outlet is opened in the lower area of the front wall of the casing, the side air outlet is opened on the lateral side wall of the casing, and the front wall of the casing is inclined forward from bottom to top;

The air supply assembly is arranged in the heat exchange air supply cavity and includes an air supply part and an air guide part. The air supply part is provided with an air supply fan, and the air supply fan is configured to enter from the periphery of the top air inlet The environment sucks in ambient air and encourages the air to flow to the air guide, the air guide is configured to guide the air flow blown by the blower to the front air outlet and/or the at least one side air outlet;

The indoor heat exchanger is arranged in the heat exchange air supply cavity and located on the air inlet flow path between the top air inlet and the air supply part.
The indoor unit according to claim 1, wherein

The air supply part and the air guide part are distributed along the height direction of the casing;

The air supply fan is a centrifugal fan, and the rotating shaft of the centrifugal fan is arranged in the front and rear direction;

The air supply part includes a fan volute, which is arranged on the outer circumference of the centrifugal fan and communicates with the air guide part.
The indoor unit according to claim 2, wherein

The air guide includes:

The air guide housing defines an air guide cavity communicating with the fan volute, and an area on the front side of the air guide housing opposite to the front air outlet is provided with a front communicating with the air guide cavity The air guide housing is also provided with at least one side bypass opening communicating with the air guide cavity, the at least one side bypass opening corresponds to the at least one side air outlet in a one-to-one correspondence and correspondingly butted, The side bypass opening is opened on the lateral side wall of the air guiding shell to supply air to the corresponding side air outlet;

The air guiding member is arranged in the air guiding cavity, and the front end of the air guiding member extends through the front escape opening to the front air outlet. The air guiding member has a through air passage extending forward and backward and penetrating forward and backward, and at least one circling around the front and rear An annular jet opening extending in a direction, the annular jet opening is configured to guide the heat exchange air flow blown by the centrifugal fan to the through ventilation duct and blow the air forward to drive the air flow in the through ventilation duct forward To the front air outlet.
The indoor unit according to claim 3, wherein

An area where the rear wall of the air guiding shell is opposite to the through ventilation duct is provided with a rear escape opening;

The area of the rear wall of the casing opposite to the rear escape opening is provided with a rear air inlet, so that when the annular jet port blows the air forward, the ambient air around the rear air inlet is encouraged to enter the through ventilation duct and The heat exchange airflow introduced into the through ventilation duct from the annular jet port is mixed.
The indoor unit according to claim 4, further comprising:

The first air deflector is arranged adjacent to the front opening of the through ventilation duct, and is configured to rotate around a vertical rotation axis to open and close the front opening of the through ventilation duct;

The second air deflector is arranged adjacent to the rear opening of the through ventilation duct, and is configured to rotate around another vertical axis to open and close the rear opening of the through ventilation duct;

And, when the first air deflector and the second air deflector are both opened, the first air deflector and the second air deflector are configured to be driven to rotate to an initial position with a partial overlap , And configured to be driven to rotate leftward or rightward synchronously from the initial position to adjust the airflow direction.
The indoor unit according to claim 3, wherein

There are two at least one side air outlet, the two side air outlets are respectively opened on two lateral side walls of the cabinet, the at least one side bypass opening is two, and the two side air outlets The openings are respectively opened on two lateral side walls of the air guiding shell;

The indoor unit further includes: two third wind deflector groups corresponding to the two side bypass ports one-to-one, and the third wind deflector group is arranged at the corresponding side bypass ports, and It includes at least one third wind deflector, each of the third wind deflectors is configured to be driven to rotate around a respective rotating shaft extending forward and backward to close the corresponding side air outlet or guide the corresponding side air outlet The air blowing out.
The indoor unit according to claim 3, wherein

The wind guide member includes a rear wind guide ring, a middle wind guide ring and a front wind guide ring arranged in sequence from back to front;

The rear wind guide ring, the middle wind guide ring, and the front wind guide ring all have a front opening, a rear opening, and an airflow channel that penetrates the front opening and the rear opening front and rear to define the Through the ventilation duct, the front opening of the front air guide ring is butted with the front air outlet;

The front section of the rear wind guide ring is located at the radial inner side of the rear section of the middle wind guide ring and is arranged at intervals, and the front section of the middle wind guide ring is located at the front side guide The radial inner side of the rear section of the wind ring is arranged at intervals, so that the rear side wind guide ring and the middle wind guide ring define the annular jet port on the rear side, and the middle wind guide ring The front side air guide ring and the front side air guide ring define the front side annular jet port.
The indoor unit according to claim 7, wherein

The peripheral wall of the front air guide ring includes a first toroidal curved surface, a second toroidal curved surface, and a third curved surface that are sequentially distributed from back to front;

The first toroidal curved surface is tapered from back to front, the second toroidal curved surface is gradually expanded from back to front, and the third curved surface is shaped such that the projection of its front end edge on a vertical plane parallel to the front and back direction is the front end Edge projection line

The projection of the front edge of the front air outlet on the vertical plane is the front air outlet projection line, and the front edge projection line and the front air outlet projection line are the same straight line.
The indoor unit according to claim 4, wherein

The fan volute and the air guide shell are of an integrated design, the upper section of the fan volute accommodates the blower, and the lower section of the fan volute is directed from the upper section Extend from the front and bottom to the air guiding shell;

The rear wall of the upper section extends from top to bottom, the rear wall of the lower section extends downward and forward from the lower end of the rear wall of the upper section, and the rear wall of the wind guide housing is The lower end of the rear wall of the lower section extends downward;

The rear wall of the casing includes an upper section of the rear wall that is attached to the rear wall of the upper section and extends from the lower end of the upper section of the rear wall to the lower side and front and is connected to the lower section. The middle section of the rear wall to which the rear wall of the section is attached and the lower section of the rear wall that extends downward from the lower end of the middle section of the rear wall and is attached to the rear wall of the air guiding shell;

The rear air inlet is opened in the lower section of the rear wall.
The indoor unit according to claim 4, wherein

An air inlet of the air supply part is formed at the front end of the fan volute;

The indoor heat exchanger is vertically arranged in front of the air inlet of the air supply part;

The top air inlet is opened in the front area of the top wall of the casing, and is located above the front side of the indoor heat exchanger.
The indoor unit according to claim 10, further comprising:

The water receiving pan is arranged below the indoor heat exchanger, and is used to support the indoor heat exchanger and receive the condensed water flowing down from the indoor heat exchanger;

The sealing plate is arranged behind the indoor heat exchanger, the rear wall of which is formed with an opening communicating with the air inlet of the air supply part, the upper end of which abuts against the top wall of the casing, and the lower end of which is The water pan cooperates to seal the lower part of the indoor heat exchanger, so that all the air entering from the top air inlet passes through the indoor heat exchanger to exchange heat.