WO2022183747A1

WO2022183747A1 - Air conditioner

Info

Publication number: WO2022183747A1
Application number: PCT/CN2021/126130
Authority: WO
Inventors: 吕科磊; 吕福俊; 刘超
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-03-01
Filing date: 2021-10-25
Publication date: 2022-09-09
Also published as: CN214841172U

Abstract

An air conditioner. The air conditioner comprises an indoor unit (100) and an outdoor unit (200), and further comprises a water storage box (1) and a humidification unit; an indoor unit drainage pipe (2) is connected to the indoor unit (100); an outdoor unit drainage pipe (3) is connected to the outdoor unit (200); the water storage box (1) is separately communicated with the indoor unit drainage pipe (100) and the outdoor unit drainage pipe (200), so that water in the indoor unit drainage pipe (100) and the outdoor unit drainage pipe (200) can flow into the water storage box (1); the humidification unit is connected to the water storage box (1). In the air conditioner, the indoor unit drainage pipe (100) and the outdoor unit drainage pipe (200) are communicated with the water storage box (1), and condense water and defrost water of the indoor unit (100) and the outdoor unit (200) are collected in the water storage box (1) for storage for use by the humidification unit, without needing to frequently add water, greatly facilitating use of the humidification function of the air conditioner by a user, thereby improving user experience.

Description

Air conditioner

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202120445154.7 and the title of "air conditioner" filed on March 01, 2021, which is incorporated herein by reference in its entirety.

technical field

The present application relates to the technical field of air conditioners, and in particular, to an air conditioner.

Background technique

In the living environment, the temperature and humidity of the air have a greater impact on the human body. People usually feel dry when using air conditioners, especially in winter, the user experience is poor. Most of the current air conditioners do not have the humidification function. One of the reasons is that the humidifier needs to add water in a very short period of time during use. User benefited. Therefore, there is an urgent need to provide an air conditioner with a humidifying function that can be easily used by users without frequent water addition.

SUMMARY OF THE INVENTION

The present application provides an air conditioner, which is used to solve the problem that the humidifier of the air conditioner in the prior art needs to add water frequently during use, resulting in poor convenience of use of the humidification function.

The present application provides an air conditioner, including an indoor unit and an outdoor unit, a water storage box and a humidifying unit, the indoor unit is connected with an indoor unit drain pipe, the outdoor unit is connected with an outdoor unit drain pipe, and the water storage The boxes are respectively connected with the indoor unit drain pipe and the outdoor unit drain pipe, and the humidification unit is connected with the water storage box.

The present application provides an air conditioner, the humidification unit includes a wet film and a fan, a part of the wet film is located in the water storage box, and is used for absorbing water in the water storage tank, and another part of the wet film is located in the water storage tank. Located outside the water storage box, the fan is used for supplying air from one side of the wet film to the other side of the wet film.

The application provides an air conditioner, further comprising a UV light sterilizer, and the light beam of the UV light sterilizer is irradiated on the wet film.

The present application provides an air conditioner, further comprising a humidity sensor, which is connected in communication with the fan.

The application provides an air conditioner, wherein the outdoor unit drain pipe and/or the indoor unit drain pipe is connected with a three-way valve, and the water inlet of the three-way valve is connected to the outdoor unit drain pipe or the indoor unit drain pipe The first water outlet of the three-way valve is in communication with the water storage box, and the second water outlet of the three-way valve is in communication with the outside world.

The present application provides an air conditioner, wherein a water level sensor is installed in the water storage box, and the three-way valve is connected in communication with the water level sensor.

The present application provides an air conditioner, wherein a filter screen is provided in the communication pipeline between the outdoor unit drain pipe and the water storage box.

The present application provides an air conditioner, the outdoor unit is provided with a water collecting device for collecting condensation water or frosting water of the outdoor unit, and the installation height of the water collecting device is higher than the installation height of the water storage box.

The application provides an air conditioner, the indoor unit includes a casing, the casing is provided with an air inlet and an air outlet and an air duct connecting the air inlet and the air outlet, and the water storage box is installed in the air conditioner. In the casing, the part of the wet film outside the water storage box is located in the air duct, and the fan is used to drive air to flow into the air duct from the air inlet and flow out from the air outlet.

The present application provides an air conditioner, further comprising an evaporator, wherein the evaporator is installed in the air duct, and the fan is a cross-flow fan.

In the air conditioner provided by the present application, by connecting the indoor unit drain pipe and the outdoor unit drain pipe with the water storage box, the condensed water and the defrosted water of the indoor unit and the outdoor unit are collected into the water storage box for storage for humidification. The unit is used without frequent replenishment of water, which greatly facilitates the use of the humidification function of the air conditioner and improves the user experience.

Description of drawings

In order to illustrate the technical solutions in the present application or the prior art more clearly, the following briefly introduces the accompanying drawings required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are the For some embodiments of the application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the air conditioner provided by the application;

2 is a schematic structural diagram of a humidifying device in an air conditioner provided by the present application;

Reference number:

1. Water storage box; 2. Drain pipe of indoor unit; 3. Drain pipe of outdoor unit;

4. Wet film; 5. UV light sterilizer; 6. Three-way valve;

61, water inlet; 62, first water outlet; 63, second water outlet;

7. Connect the water pipe; 8. Filter; 100. Indoor unit;

200, outdoor unit; 101, casing; 1011, air outlet;

102. Evaporator.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the accompanying drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application. , not all examples. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "first" and "second" are used to clearly describe the numbering of product components and do not represent any substantial difference. "For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The present application provides an air conditioner, and FIG. 1 is a schematic structural diagram of the air conditioner provided by the present application. The air conditioner provided by the embodiment of the present application includes an indoor unit 100, an outdoor unit 200, and a humidification device, and the humidification device includes a water storage box 1 and a humidification unit (not shown in FIG. 1). The indoor unit 100 is connected to the indoor unit drain pipe 2 , and the outdoor unit 200 is connected to the outdoor unit drain pipe 3 . The water storage box 1 is connected with the indoor unit drain pipe 2 and the outdoor unit drain pipe 3 respectively, so that the water in the indoor unit drain pipe 2 and the outdoor unit drain pipe 3 can flow into the water storage box 1, and the humidification unit and the water storage box are connected. 1 is connected. Among them, the water storage box 1 can provide a water source for the humidification unit, and after being processed by the humidification unit, provide humidified air for the environment.

FIG. 2 is a schematic structural diagram of a humidifying device in an air conditioner provided by the present application. In the embodiment of the present application, the humidifying unit includes a wet film 4 and a fan (not shown in FIG. 2 ), and a part of the wet film 4 is located in the water storage unit. The inside of the box 1 is used to absorb the water in the water storage tank, and the other part is located outside the water storage box 1 , and the fan is used to supply air from one side of the wet film 4 to the other side of the wet film 4 . Specifically, the lower part of the wet film 4 is immersed in the water in the water storage box 1, and the upper part extends out of the water storage box 1 and is exposed to the air. The water in the water storage box 1 goes up the wet film 4, and the fan is blowing the part of the wet film 4 outside the water storage box 1, so that the air flow through the wet film 4 is humidified. Among them, the wet film 4 can be selected from a bacteriostatic wet film.

Further, as shown in FIG. 2 , the air conditioner provided by the embodiment of the present application also includes a UV light sterilizer 5, and the light beam of the UV light sterilizer 5 is irradiated on the wet film 4, which further reduces the harm caused by the humidifier to the human body. . Among them, the UV light sterilizer 5 can be installed inside or outside the water storage box 1, and the water in the water storage box 1 is irradiated by UV light to achieve the sterilization effect when the wet film 4 ascends. The light beam of the UV light sterilizer 5 can be irradiated on the part of the wet film 4 located outside the water storage box 1 to sterilize the water on the wet film 4 and the air flowing through the wet film 4 at the same time,

The air conditioner provided by the present application further includes a humidity sensor, which is connected in communication with the fan. Specifically, the humidity sensor and the fan are respectively connected in communication with the controller. The humidity sensor is used to sense the humidity of the indoor environment and transmit the detection result to the controller. The controller can determine whether to strengthen dehumidification according to the current humidity. For example, when the humidity sensor detects that the current humidity is low, the fan is controlled to increase the rotation speed so as to speed up the airflow to bring out the water in the water storage box 1 .

Further, a temperature sensor is also included, and the temperature sensor can be a temperature sensor provided by the indoor unit coil; or a temperature and humidity sensor integrated with the temperature sensor and the humidity sensor is directly used. The controller can perform humidity compensation on the humidity according to the current temperature and humidity, and adjust the fan speed according to the calculation result to adjust the humidity.

The air conditioner provided in the embodiment of the present application further includes a heating rod, and the heating rod is installed in the water storage box 1 to heat the water in the water storage box 1 and provide water vapor for the environment. When it is detected that the humidity of the current environment is low according to the humidity sensor, the heating rod can be turned on to heat the water in the water storage box 1, so as to speed up the escape of moisture from the water storage box 1.

As shown in FIG. 1, in the embodiment of the present application, the outdoor unit drain pipe 3 and/or the indoor unit drain pipe 2 are connected with a three-way valve 6, and the water inlet 61 of the three-way valve 6 is connected to the outdoor unit drain pipe 3 or the indoor unit drain pipe 2 are connected, the first water outlet 62 of the three-way valve 6 is connected to the water storage box 1, and the second water outlet 63 of the three-way valve 6 is connected to the outside world.

Taking the three-way valve 6 provided on the outdoor unit drain pipe 3 as an example, the water inlet 61 of the three-way valve 6 is connected to the water collecting device of the outdoor unit through the outdoor unit drain pipe 3, and the first water outlet 62 of the three-way valve 6 is connected. It communicates with the water storage box 1 through the connecting water pipe 7 . When the water in the water storage box 1 is insufficient, the water inlet 61 and the first water outlet 62 of the three-way valve 6 are connected, and the condensed water and defrost water of the outdoor unit condenser flow through the outdoor unit drain pipe 3 and the three-way valve 6 in turn. And the connecting water pipe 7 enters the water storage box 1 . When the amount of water in the water storage box 1 is sufficient, the water inlet 61 and the second water outlet 63 of the three-way valve 6 are connected, so that the excess condensed water or defrost water of the outdoor unit is discharged from the second water outlet 63 . Wherein, the second water outlet 63 can be communicated to the outside through a pipeline. Similarly, the connection relationship between the indoor unit drain pipe 2, the three-way valve 6, and the water storage box 1 is the same as the connection relationship between the outdoor unit drain pipe 3, the three-way valve 6, and the water storage box 1. Repeat.

Further, a water level sensor is installed in the water storage box 1, and the three-way valve 6 is connected in communication with the water level sensor. Specifically, the three-way valve 6 is a solenoid valve, and the water level sensor and the three-way valve 6 are respectively connected to the controller in communication. Height adjust the spool position of the three-way valve 6. When the water level reaches the set value, the three-way valve 6 is controlled to communicate with the water inlet 61 and the first water outlet 62; when the water level does not reach the set value, the three-way valve 6 is controlled to communicate with the water inlet 61 and the second water outlet 63 .

In the embodiment of the present application, a filter screen 8 is provided in the communication pipeline between the outdoor unit drain pipe 3 and the water storage box 1, which is used to filter impurities in the outdoor frosting water or condensed water, so as to improve the quality of humidification water, reduce or avoid Regular maintenance of the humidifier reduces maintenance costs. Of course, the communication pipeline between the outdoor unit drain pipe 3 and the water storage box 1 includes a three-way valve 6, and the filter screen 8 can also be arranged in the three-way valve 6, as shown in FIG. 1 .

In the embodiment of the present application, the outdoor unit 200 is installed with a water collecting device for collecting the condensed water or frosting water of the outdoor unit 200, wherein the water collecting device may be a water collecting pan installed under the outdoor unit 200, and the water collecting device The water outlet of the pan is connected to the outdoor unit drain pipe. The installation height of the water collecting device is higher than the installation height of the water storage box 1, so that the water in the water collecting device can flow into the water storage box 1 naturally under the action of gravity. Of course, the indoor unit 100 is also installed with a water collecting device for collecting condensed water or frosted water of the indoor unit 100 , and the installation height of the water collecting device is also higher than that of the water storage box 1 .

As shown in FIG. 1 , in the embodiment of the present application, the indoor unit 100 includes a casing 101. The casing 101 is provided with an air inlet and an air outlet 1011 and an air duct connecting the air inlet and the air outlet 1011. The water storage box 1 is installed in the unit. In the shell 101 , the part of the wet film 4 outside the water storage box is located in the air duct, and the fan is used to drive the air to flow into the air duct from the air inlet and flow out from the air outlet 1011 . The water storage box 1 and the wet film 4 may also all be located in the air duct. The air enters the air duct from the air inlet and is humidified by the wet film 4 and then blown out from the air outlet 1011 . Wherein, the wet film 4 can be arranged at any position of the air duct, for example, a position close to the air outlet 1011 or a position close to the air inlet.

Further, the indoor unit 100 further includes an evaporator 102, and the evaporator 102 is installed in the air duct, that is, the air duct is the heat exchange air duct of the air conditioning heat exchange system. The wet film 4 is located in the heat exchange air duct. The fan is a cross-flow fan of the heat exchange system, that is, the humidification device and the air-conditioning heat exchange system share a fan. The water storage box 1 can be installed in the heat exchange air duct or outside the heat exchange air duct, as long as it is ensured that part of the wet film 4 outside the water storage box 1 is located in the heat exchange air duct. The air outlet 1011 is an indoor air outlet corresponding to the air conditioning heat exchange system. During the operation of the air conditioning heat exchange system, part of the air after heat exchange by the evaporator 102 passes through the wet film 4 under the action of the cross-flow fan and is blown out from the air outlet 1011 to achieve the humidification effect. The air conditioner in this embodiment does not need to provide a separate humidifier air outlet on the air conditioner, which simplifies the structure of the casing 101 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present application.

Claims

An air conditioner includes an indoor unit and an outdoor unit, and is characterized in that it further includes a water storage box and a humidifying unit, the indoor unit is connected with an indoor unit drain pipe, the outdoor unit is connected with an outdoor unit drain pipe, and the storage The water box is communicated with the indoor unit drainage pipe and the outdoor unit drainage pipe respectively, and the humidification unit is connected with the water storage box.
The air conditioner according to claim 1, wherein the humidifying unit comprises a wet film and a fan, and a part of the wet film is located in the water storage box for absorbing water in the water storage tank, so Another part of the wet film is located outside the water storage box, and the fan is used to supply air from one side of the wet film to the other side of the wet film.
The air conditioner according to claim 2, further comprising a UV light sterilizer, and the light beam of the UV light sterilizer is irradiated on the wet film.
The air conditioner according to claim 2, further comprising a humidity sensor, wherein the humidity sensor is connected in communication with the fan.
The air conditioner according to claim 1, wherein a three-way valve is connected to the outdoor unit drain pipe and/or the indoor unit drain pipe, and the water inlet of the three-way valve is connected to the outdoor unit drain pipe or The indoor unit drainage pipes are in communication, the first water outlet of the three-way valve is in communication with the water storage box, and the second water outlet of the three-way valve is in communication with the outside world.
The air conditioner according to claim 5, wherein a water level sensor is installed in the water storage box, and the three-way valve is connected in communication with the water level sensor.
The air conditioner according to claim 1, wherein a filter screen is provided in the communication pipeline between the outdoor unit drainage pipe and the water storage box.
The air conditioner according to claim 1, wherein a water collecting device is installed on the outdoor unit for collecting condensed water or frosted water of the outdoor unit, and the installation height of the water collecting device is higher than that of the storage unit. The installation height of the water tank.
The air conditioner according to claim 2, wherein the indoor unit comprises a casing, and the casing is provided with an air inlet and an air outlet and an air duct connecting the air inlet and the air outlet, and the The water storage box is installed in the casing, the part of the wet film outside the water storage box is located in the air duct, and the fan is used to drive the air to flow into the air duct from the air inlet and from the air duct. outflow from the air outlet.
The air conditioner according to claim 9, characterized in that, further comprising an evaporator, wherein the evaporator is installed in the air duct, and the fan is a cross-flow fan.