WO2020119047A1

WO2020119047A1 - Vertical air conditioner indoor unit

Info

Publication number: WO2020119047A1
Application number: PCT/CN2019/090982
Authority: WO
Inventors: 张蕾; 王永涛; 王晓刚; 李英舒; 闫宝升
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: 2018-12-13
Filing date: 2019-06-12
Publication date: 2020-06-18
Also published as: CN109724158A

Abstract

A vertical air conditioner indoor unit (100), comprising: a casing (110), which defines a mounting cavity thereinside and is arranged with an air inlet (111) and an air supply port (112) on the sidewall thereof; a heat exchange part (120) disposed in the mounting cavity, extending along the height direction of the casing (110), and separating the mounting cavity into an air inlet region (113) in communication with the air inlet (111) and an air supply region (114) in communication with the air supply port (112); an air inlet fan (130) disposed in the air inlet region (113) and configured to suck external air from the air inlet (111) and supply same to the heat exchange part (120); and an air supply fan (140) disposed in the air supply region (114) and configured to exhaust air subjected to heat exchange in the heat exchange part (120) from the air supply port (112). By additionally providing the air inlet fan (130) facing the air inlet (111) on the side wall, the purpose of effectively improving the air inlet capacity and the air inlet speed of the vertical air conditioner indoor unit (100) merely by slightly changing an existing casing (110) is achieved, thereby meeting the requirements of a user for a large air capacity and quick temperature adjustment.

Description

Vertical air conditioner indoor unit

Technical field

The invention relates to the field of air conditioners, in particular to a vertical air conditioner indoor unit.

Background technique

Vertical air conditioner indoor units are generally suitable for room temperature adjustment in large spaces such as living rooms, and temperature adjustment in large spaces often requires a large amount of air to obtain a rapid temperature adjustment effect.

At present, the existing vertical air conditioner indoor unit generally has only one fan, and the air intake method is to use the fan to rotate to form a negative pressure, and drive the surrounding air into the negative pressure area to achieve the air intake. The above air intake method cannot meet the needs of users due to the limited air volume of a single fan. At the same time, a single fan cannot produce a faster wind speed, which affects the heat exchange efficiency.

Summary of the invention

An object of the present invention is to provide a vertical air conditioner indoor unit that solves the problem of insufficient heat exchange air volume.

A further object of the present invention is to provide a structure in which multi-stage cross-flow fans are installed in series.

In particular, the present invention provides a vertical air conditioner indoor unit, including: a cabinet, which defines an installation cavity, and an air inlet and an air supply opening are opened on the side wall; a heat exchange part is provided in the installation cavity And extending along the height direction of the cabinet, the installation cavity is divided into an air inlet area communicating with the air inlet and an air supply area communicating with the air inlet; the air inlet fan is provided in the air inlet area and is configured to be sucked into the outside from the air inlet The air is supplied to the heat exchange section; and the blower fan is provided in the blower zone and is configured to discharge the heat exchanged by the heat exchange section from the blower port.

Optionally, the vertical air conditioner indoor unit further includes an air frame, the air frame is fixedly connected to the top of the heat exchange part, and a connection part for fixing the air intake fan is extended toward the air intake area.

Optionally, the heat exchange part includes a heat exchange bracket extending along the height direction of the cabinet and a heat exchanger installed inside the heat exchange bracket, the heat exchange bracket is connected to both ends of the heat exchanger; the wind frame is fixed to the heat exchange bracket connection.

Optionally, the wind frame further includes a wind guide extending downward from the connecting portion along the height direction of the cabinet, the wind guide forming a frame for placing the air intake fan; the air intake fan is a cross flow fan, along the height of the cabinet The direction is arranged inside the frame.

Optionally, the wind guide portion further includes a curved panel for forming a volute of the air intake fan, the curved panel configured such that the air intake fan has an air inlet facing the air inlet and an air outlet facing the heat exchange portion.

Optionally, there are multiple air intake fans, which are arranged in sequence along the circumferential direction of the cabinet.

Optionally, the cross section of the heat exchange part on the horizontal plane is U-shaped; there are two air intake fans, and the air outlets of the two air intake fans are respectively directed to different sides of the heat exchange part.

Optionally, the rotation directions of the two intake fans are the same.

Optionally, the blower fan is a cross-flow fan, which is arranged in the blower zone along the height direction of the cabinet; the length of the blower fan is the same as that of the blower fan, or the length of the blower fan is greater than the length of the blower fan.

Optionally, the air inlet direction of the air supply fan is opposite to the air outlet of the air inlet fan.

In the vertical air conditioner indoor unit of the present invention, an air intake fan is installed inside the cabinet, which is used to quickly suck and supply air outside the cabinet to the heat exchange section, thereby increasing the air intake of the air blower. By adding an air inlet fan toward the air inlet of the side wall, the purpose of effectively increasing the air inlet volume and air inlet speed of the vertical air conditioner indoor unit can be effectively achieved only by making small changes on the basis of the existing cabinet, to meet the user’s The demand for rapid air volume adjustment.

Further, the vertical air conditioner indoor unit of the present invention fixes the newly added air intake fan between the heat exchange part and the air inlet by setting an air frame inside the casing, and at the same time forms the air intake fan on the air frame Volute. Not only the reasonable use of the internal space structure of the cabinet, so that the vertical air conditioner indoor unit as a whole is compact in structure, but also makes the newly added air blower and the original air blower form a better match in the upward air flow, improving the overall Consistency of intake air path.

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

BRIEF DESCRIPTION

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

1 is an overall schematic diagram of a vertical air conditioner indoor unit according to an embodiment of the present invention;

2 is an exploded schematic view of a vertical air conditioner indoor unit according to an embodiment of the present invention;

3 is a schematic diagram of the back of a vertical air conditioner indoor unit according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along the cutting line A-A in FIG. 3.

detailed description

This embodiment provides a vertical air conditioner indoor unit 100. FIG. 1 is an overall schematic diagram of a vertical air conditioner indoor unit 100 according to an embodiment of the present invention, and FIG. 2 is a vertical air conditioner indoor unit 100 according to an embodiment of the present invention. Schematic of the explosion. The vertical air conditioner indoor unit 100 includes a cabinet 110, a heat exchange unit 120, an air intake fan 130, and an air supply fan 140.

The cabinet 110 forms an installation space for each component in the vertical air conditioner indoor unit 100, and it may be a cylinder extending upward. An installation cavity is defined in the cabinet 110, and an air inlet 111 and an air outlet 112 are opened on the side wall of the cabinet. The air inlet 111 and the air outlet 112 both extend along the height direction of the cabinet 110 and are relatively disposed on the side wall of the cabinet 110. The heat exchange part 120 is provided in the installation cavity and extends in the height direction of the cabinet 110, and divides the installation cavity into an air inlet area 113 communicating with the air inlet 111 and an air supply area 114 communicating with the air inlet 112. The heat exchange part 120 includes a heat exchange bracket 121 extending in the height direction of the cabinet 110 and a heat exchanger 122 installed inside the heat exchange bracket 121. The heat exchange bracket 121 is connected to both ends of the heat exchanger 122. The cross-sectional shape of the heat exchange part 120 on the horizontal plane may be a circular arc, for example, U-shaped or V-shaped, so that the heat exchange part 120 can receive the inlet air from different directions. The indoor air enters the air inlet area 113 from the air inlet 111, and then flows into the heat exchange unit 120 for heat exchange. After the heat exchange is completed, the air is drawn into the air supply area 114 and finally discharged into the room.

The air inlet fan 130 is provided in the air inlet area 113 and is arranged to suck outside air from the air inlet 111 and supply it to the heat exchange portion 120. By separately setting the air intake fan 130, not only can the air intake volume be significantly increased, but also the intake air can perform work on the intake air through the intake air fan 130, so that the intake air has a stronger disturbance and flow rate, which is beneficial to enhance the air between the air and the heat exchange section 120 Heat exchange efficiency. By setting the air intake fan 130 to directly enter the air from the air intake 111 on the side wall, it can be ensured that minor changes are made to the original model, and the purpose of increasing the air volume can be achieved. The blower fan 140 is provided in the blower zone 114 and is configured to discharge the heat exchanged by the heat exchange section 120 from the blower port 112. The air blower 140 provided in the air supply area 114 also plays a role in improving the heat exchange efficiency of the heat exchange section 120. The blower fan 140 performs the second work on the air exchanged by the heat exchange part 120. Through the cooperation of the blower fan 140 and the intake fan 130, a multi-stage acceleration effect is formed, which further improves the air flow rate and exchanges. The heat exchange efficiency of the heat section 120.

The vertical air conditioner indoor unit 100 further includes an air frame 150, and the air frame 150 is fixedly connected to the top end of the heat exchange portion 120. A connection groove is formed at the top of the heat exchange bracket 121, and the wind frame 150 is formed with a suitable connection structure to match the heat exchange bracket 121, so that the wind frame 150 and the heat exchange bracket 121 are fixedly connected. The air frame 150 extends toward the air inlet area 113 to connect the connection portion 151 for fixing the air inlet fan 130. The connection portion 151 is provided with a connection hole, and the air inlet fan 130 is fixedly connected to the connection portion 151 through the connection hole. The wind frame 150 further includes an air guide portion 152 extending downward from the connection portion 151 in the height direction of the cabinet 110, and the air guide portion 152 is formed with a frame 153 for placing the air intake fan 130. The air inlet fan 130 is a cross flow fan, and is arranged inside the frame 153 along the height direction of the cabinet 110. The air inlet fan 130 is installed in the air inlet area 113 by providing an air frame 150 fixedly connected to the heat exchange bracket 121. On the one hand, the fixing function of the heat exchange bracket 121 is fully utilized, so that the air inlet fan 130 can be more stably connected to the heat exchange part 120 through the air frame 150, rather than directly connected to the cabinet 110, avoiding the air inlet fan 130 The vibration generated after opening causes damage to the cabinet 110. On the other hand, the space inside the casing 110 is also reasonably used, so that the air intake fan 130 can be installed closer to the heat exchange part 120, so that the air with higher wind speed blown from the air intake fan 130 can quickly enter The heat exchange to the heat exchange part 120 improves the heat exchange efficiency.

FIG. 3 is a schematic back view of the vertical air conditioner indoor unit 100 according to an embodiment of the present invention, and FIG. 4 is a schematic cross-sectional view taken along the cutting line A-A in FIG. 3.

The air guide portion 152 further includes a curved panel 154 for forming a volute of the air intake fan 130, and the curved panel 154 is configured such that the air intake fan 130 has an air inlet toward the air inlet 111 and an air outlet toward the heat exchange portion 120. The volute of the air inlet fan 130 is directly formed on the air guide portion 152, which makes the installation structure of the air inlet fan 130 more compact. At the same time, the curved panel 154 is used to direct the air inlet of the air inlet fan 130 toward the air inlet 111 and the air outlet toward the heat exchange portion 120, so that the air inlet and outlet air path of the air inlet fan 130 is more reasonable.

In some optional embodiments, there may be two air intake fans 130, the rotation directions of the two air intake fans 130 are the same, and the air outlets of the two air intake fans 130 respectively face different sides of the heat exchange part 120, so that The air blown to the heat exchange part 120 can cover the heat exchange part 120 more uniformly, improving the overall heat exchange efficiency.

A person skilled in the art can easily think of that there may be multiple air intake fans 130. By increasing the number of air intake fans 130, the overall air intake of the vertical air conditioner indoor unit 100 can be increased. The multiple air intake fans 130 are arranged in sequence along the circumferential direction of the cabinet 110, which can make the space utilization in the installation cavity more reasonable.

The blower fan 140 is a cross-flow fan arranged along the height direction of the cabinet 110, and has a cross-flow wind wheel as a whole from top to bottom. The air inlet direction of the air blower 140 is opposite to the air outlet of the air blower 130, and the length of the air blower 130 and the air blower 140 are the same or the length of the air blower 130 is greater than the length of the air blower 140 to ensure the air intake The air blown by the fan 130 may completely cover the blower fan 140.

In the vertical air conditioner indoor unit 100 of this embodiment, an air intake fan 130 is installed inside the cabinet 110, which is used to quickly suck and supply the air outside the cabinet 110 to the heat exchange section 120, thereby increasing the intake of the air blower 140 Air volume. By adding an air inlet fan 130 facing the side wall air inlet 111, the purpose of effectively increasing the air intake volume and air intake speed of the vertical air conditioner indoor unit 100 can be effectively achieved only by making minor changes on the basis of the existing cabinet 110, To meet the user's demand for rapid air temperature adjustment.

Further, in the vertical air conditioner indoor unit 100 of this embodiment, by providing an air frame 150 inside the casing 110, the newly added air intake fan 130 is fixed between the heat exchange part 120 and the air inlet 111, while A volute of the inlet fan 130 is formed on the frame 150. Not only the rational use of the space structure inside the cabinet 110 makes the vertical air conditioner indoor unit 100 as a whole compact, but also makes the newly added air intake fan 130 and the original air blower 140 form a better match in the direction of the intake air flow , Which improves the consistency of the overall intake air path.

By now, those skilled in the art should realize that although a number of exemplary embodiments of the present invention have been shown 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 derives 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 vertical air conditioner indoor unit, including:

The casing defines an installation cavity therein, and an air inlet and an air supply opening are opened on the side wall;

The heat exchange part is provided in the installation cavity and extends along the height direction of the cabinet, and divides the installation cavity into an air inlet area communicating with the air inlet and an air supply area communicating with the air inlet;

An air intake fan provided in the air intake area and configured to suck external air from the air intake and supply it to the heat exchange section; and

A blower fan is provided in the blower zone, and is configured to discharge the heat exchanged by the heat exchange part from the blower port.
The vertical air conditioner indoor unit according to claim 1, further comprising:

An air frame, the air frame is fixedly connected to the top end of the heat exchange part, and a connection part for fixing the air intake fan is extended toward the air intake area.
The vertical air conditioner indoor unit according to claim 2, wherein:

The heat exchange part includes a heat exchange bracket extending along the height direction of the cabinet and a heat exchanger installed inside the heat exchange bracket, and the heat exchange bracket is connected to both ends of the heat exchanger;

The wind frame is fixedly connected to the heat exchange bracket.
The vertical air conditioner indoor unit according to claim 2, wherein:

The wind frame further includes an air guide part extending downward from the connection part along the height direction of the cabinet, and the air guide part is formed with a frame for placing the air intake fan;

The air inlet fan is a cross-flow fan, which is arranged inside the frame along the height direction of the cabinet.
The vertical air conditioner indoor unit according to claim 4, wherein:

The air guide further includes a curved panel for forming the volute of the air intake fan, the curved panel is configured such that the air intake fan has an air inlet facing the air inlet and toward the heat exchange The outlet of the department.
The vertical air conditioner indoor unit according to claim 5, wherein:

There are a plurality of air intake fans, which are arranged in sequence along the circumferential direction of the cabinet.
The vertical air conditioner indoor unit according to claim 6, wherein:

The cross section of the heat exchange part on the horizontal plane is U-shaped;

There are two air intake fans, and the air outlets of the two air intake fans respectively face different sides of the heat exchange part.
The vertical air conditioner indoor unit according to claim 7, wherein:

The rotation directions of the two air intake fans are the same.
The vertical air conditioner indoor unit according to claim 8, wherein:

The blower fan is a cross-flow blower, which is arranged in the blower area along the height direction of the cabinet;

The length of the air inlet fan is the same as that of the air supply fan, or the length of the air inlet fan is greater than the length of the air supply fan.
The vertical air conditioner indoor unit according to claim 9, wherein:

The air inlet direction of the air blower is opposite to the air outlet of the air blower.