WO2024000716A1

WO2024000716A1 - Air conditioner and control method therefor

Info

Publication number: WO2024000716A1
Application number: PCT/CN2022/108507
Authority: WO
Inventors: 黄博义; 缪雄伟; 张卫东
Original assignee: 广东美的制冷设备有限公司
Priority date: 2022-06-30
Filing date: 2022-07-28
Publication date: 2024-01-04

Abstract

An air conditioner (1) and a control method therefor. The air conditioner (1) comprises: an air conditioner main body, which comprises a housing (100), an indoor heat exchanger (200) and a first indoor fan (300), wherein the housing (100) is provided with an indoor air duct (140), an indoor air inlet, a fresh air inlet and an air outlet, the indoor air duct (140) is in communication with the indoor air inlet and the air outlet, and the indoor heat exchanger (200) and the first indoor fan (300) are provided in the indoor air duct (140); a fresh air pipe (50), one end of the fresh air pipe (50) being in communication with the fresh air inlet, and the other end of the fresh air pipe (50) being adapted to pass through a wall body so as to be in communication with the outside; and an oxygenation device (60), which is provided in the fresh air pipe (50) to prepare oxygen.

Description

Air conditioner and control method thereof

Cross-references to related applications

This application is filed based on Chinese patent applications with application numbers 202210768490.4 and 202221690654.8, and the filing date is June 30, 2022, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated into this application as a reference.

Technical field

The present application relates to the technical field of air conditioning, and specifically to an air conditioner and a control method thereof.

Background technique

When the air conditioner in the related art is working, the oxygen concentration in the room will decrease with the extension of the use time, which does not take advantage of the user's long-term use.

Application content

The present application aims to solve one of the above-mentioned technical problems in the prior art, at least to a certain extent. To this end, this application proposes an air conditioner, which has the advantages of being able to increase the oxygen content of indoor air, reduce noise transmitted to users, and facilitate user experience.

This application also proposes a control method for an air conditioner.

An air conditioner according to an embodiment of the present application includes: an air conditioner main body including a casing, an indoor heat exchanger and a first indoor fan; the casing has an indoor air duct, an indoor air inlet, a fresh air inlet and an air outlet , the indoor air duct is connected to the indoor air inlet and the air outlet, and the indoor heat exchanger and the first indoor fan are located in the indoor air duct; a new air duct, One end is connected to the fresh air inlet, and the other end of the fresh air duct is suitable for being installed in the wall to communicate with the outdoors; an oxygen increasing device is installed in the fresh air duct to prepare oxygen.

The air conditioner according to the embodiment of the present application has the advantages of being able to increase the oxygen content of indoor air, reduce the noise transmitted to the user, and facilitate the improvement of the user's experience.

In addition, the air conditioner according to the above embodiments of the present application may also have the following additional technical features:

According to some embodiments of the present application, the casing further has a ventilation cavity and an access opening. The ventilation cavity connects one end of the new air duct and the air outlet, and an access cover is provided at the access opening for Open and close said access hatch.

In some embodiments, the inspection opening is provided on a side of the casing facing away from the fresh air duct.

In some embodiments, the ventilation cavity includes a first chamber and a second chamber, the first chamber is connected to the new air duct, and the second chamber is connected to the air outlet; wherein, The first chamber and the second chamber are connected through an air outlet, and a movable valve is provided in the casing for opening and closing the air outlet.

In some examples, the air outlet of the aeration device is connected to the second chamber or the air outlet through a vent pipe, and the valve has an escape hole for avoiding the vent pipe.

In some examples, the air outlet includes an indoor outlet and a fresh air outlet, the indoor air duct is connected to the indoor outlet, the second chamber is connected to the fresh air outlet, and a third chamber is provided in the second chamber. Two indoor fans.

In some specific examples, the first indoor fan is a cross-flow fan, and the second indoor fan is a centrifugal fan.

In some examples, the second chamber is connected to the indoor air duct.

According to some embodiments of the present application, the oxygen increasing device includes a molecular sieve oxygen generating component, an oxygen-rich membrane oxygen generating component, an electrochemical oxygen generating component or a physical adsorption oxygen generating component.

According to some embodiments of the present application, the oxygen increasing device includes: an oxygen generating body; and a driving pump, which is connected with the oxygen generating body and is used to drive air in the fresh air duct into the oxygen generating body.

In some embodiments, the air conditioner further includes: an auxiliary functional component, the auxiliary functional component is connected between the oxygen generating body and the driving pump, the auxiliary functional component includes a dehumidification component and/or a silencer component. .

According to some embodiments of the present application, the air conditioner further includes a dehumidification device, the dehumidification device is communicated with the oxygenation device, the dehumidification device includes: a housing, the housing defines an air passage chamber, the The air passage cavity is provided with a desiccant and a heating element, and the heating element is arranged inside or outside the housing.

A control method for an air conditioner according to another aspect of the present application includes the following steps: detecting the humidity of the desiccant and the opening time of the oxygenation device; and based on the detected humidity of the desiccant and the oxygenation device The opening time controls the starting and stopping of the heating element.

In some examples, when the humidity of the desiccant is greater than the preset humidity value, or the humidity of the desiccant is less than or equal to the preset humidity value and the opening time of the aeration device is greater than the preset time, control The heating element heats; when the humidity of the desiccant is less than or equal to the preset humidity value, and the opening time of the aeration device is less than or equal to the preset time, the heating element is controlled to stop heating.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present application.

Figure 2 is a front view of an air conditioner according to an embodiment of the present application.

Figure 3 is a cross-sectional view taken along line A-A in Figure 2 .

Figure 4 is a cross-sectional view in one direction of the air conditioner according to an embodiment of the present application.

Figure 5 is a cross-sectional view of the air conditioner in another direction according to an embodiment of the present application. In this case, the oxygen increasing device is a molecular sieve oxygen generating assembly.

FIG. 6 is a cross-sectional view of the air conditioner in another direction according to an embodiment of the present application. In this case, the oxygen increasing device is an oxygen-rich membrane oxygen generating assembly.

Figure 7 is an exploded view of a partial structure of an air conditioner according to an embodiment of the present application.

Figure 8 is a schematic structural diagram of a molecular sieve oxygen production assembly according to an embodiment of the present application.

Figure 9 is a schematic structural diagram of a dehumidification device according to an embodiment of the present application, in which the heating element is arranged outside the housing.

Figure 10 is a schematic structural diagram of a dehumidification device according to an embodiment of the present application, in which the heating element is provided in the housing.

Figure 11 is a control flow chart of an air conditioner according to an embodiment of the present application.

Reference signs: air conditioner 1, electric control box 11,

Chassis 100, fresh air outlet 132, indoor air duct 140, ventilation cavity 150, first chamber 151, second chamber 152, access port 160, access cover 161, valve 170,

Indoor heat exchanger 200, first indoor fan 300, second indoor fan 400,

New air duct 50,

Oxygen increasing device 60, air outlet 61, oxygen generating body 62, driving pump 63, ventilation pipe 64,

Molecular sieve oxygen production assembly 600, molecular sieve oxygen tank 610, first vacuum pump 620,

Oxygen-rich membrane oxygen production component 700, oxygen-rich membrane 710, second vacuum pump 720,

Silencer 82,

Dehumidification device 90 , housing 910 , air passage chamber 911 , and heating element 920 .

Detailed ways

The air conditioner 1 according to the embodiment of the present application is described below with reference to FIGS. 1 to 10 .

The air conditioner 1 according to the embodiment of the present application includes an air conditioning main unit, a fresh air duct 50 and an oxygen increasing device 60 .

The main body of the air conditioner includes a casing 100, an indoor heat exchanger 200 and a first indoor fan 300. The casing 100 has an indoor air duct 140, an indoor air inlet and an air outlet. The indoor air duct 140 is connected with the indoor air inlet and air outlet. The heater 200 and the first indoor fan 300 are located in the indoor air duct 140. The first indoor fan 300 can drive the indoor air from the indoor air inlet into the indoor air duct 140, and then be processed by the indoor heat exchanger 200 in the indoor air duct 140. The air outlet flows into the room.

Specifically, the indoor heat exchanger 200 can cool or heat the air in the indoor air duct 140. The air processed by the indoor heat exchanger 200 can carry coldness or heat and be discharged from the air outlet to the room to adjust the temperature. indoor ambient temperature.

The casing 100 also has a fresh air inlet. One end of the fresh air duct 50 is connected to the fresh air inlet. The other end of the fresh air duct 50 is suitable for passing through the wall. The other end of the fresh air duct 50 is connected to the outdoors. An oxygenation device 60 is provided. In the fresh air duct 50, outdoor air can enter the fresh air duct 50 through the other end of the fresh air duct 50, and finally be discharged from the air outlet, thereby providing fresh air indoors, and when the aeration device 60 is working, it can enter the fresh air duct 50 The air can flow through the oxygen increasing device 60, and after producing oxygen, it is finally discharged from the air outlet, thereby providing oxygen to the room.

Among them, the oxygen increasing device 60 can prepare oxygen. When the air in the fresh air duct 50 flows through the oxygen increasing device 60, the oxygen increasing device 60 can generate oxygen, and the generated oxygen can flow into the room, thereby increasing the oxygen content of the indoor air. .

Specifically, the oxygen increasing device 60 may produce noise when generating oxygen. The oxygen increasing device 60 is arranged in the fresh air duct 50 , that is, the oxygen increasing device 60 is placed close to the outdoors, and the oxygen increasing device 60 is located relatively far away from the user. Far away, this setting can reduce the noise transmitted to the user and improve the user experience.

Therefore, the air conditioner 1 according to the embodiment of the present application has the advantages of being able to increase the oxygen content of indoor air, reduce the noise transmitted to the user, and facilitate the improvement of the user's experience.

The air conditioner 1 according to specific embodiments of the present application is described below with reference to the accompanying drawings.

As shown in FIGS. 1 to 10 , the air conditioner 1 according to the embodiment of the present application includes an air conditioner main unit, a fresh air duct 50 and an oxygen increasing device 60 .

In some embodiments of the present application, the casing 100 also has a ventilation cavity 150. The ventilation cavity 150 is connected to one end of the new air duct 50 and the air outlet. Outdoor air can enter the new air duct 50 from the other end of the new air duct 50. When the fresh air duct 50 flows through the oxygen increasing device 60, oxygen can be generated after being processed by the oxygen increasing device 60. The generated oxygen can flow into the ventilation cavity 150 from the fresh air inlet and flow along the ventilation cavity 150 to the air outlet. The air outlet flows into the room to provide oxygen to the room and increase the oxygen content of the indoor air.

At the same time, the air in the external environment can enter the fresh air duct 50 from the other end of the fresh air duct 50 , enter the ventilation cavity 150 from the fresh air inlet, and flow along the ventilation cavity 150 to the air outlet. Flows indoors to introduce fresh air into the room.

In some embodiments of the present application, the casing 100 also has an access port 160 , from which workers can operate the components in the new air duct 50 . For example, when it is necessary to repair the components in the new air duct 50 . When operating the oxygen increasing device 60, there is no need to disassemble the casing 100 or the fresh air duct 50. The oxygen increasing device 60 in the fresh air duct 50 can be operated directly through the inspection port 160, or the oxygen increasing device 60 can be removed from the inspection port 160. The access port 160 is taken out for maintenance or replacement. The inspection port 160 is provided to reduce the steps required to repair the parts in the new air duct 50, so as to facilitate workers to directly repair or replace the parts in the new air duct 50. It is convenient for workers to directly repair or replace the aeration device 60 .

Among them, an access cover 161 is provided at the access port 160 for opening and closing the access port 160. When there is no need to operate the components in the new air duct 50, the access cover 161 can be operated to close the access port 160 to avoid damage in the external environment. Dust or other pollutants will enter the new air duct 50 from the inspection opening 160 to avoid affecting the components in the new air duct 50 . When it is necessary to operate the parts in the new air duct 50 from the inspection port 160, the inspection cover 161 can be operated to open the inspection port 160. At this time, the worker can directly operate the parts in the new air duct 50 from the inspection port 160. The operation is convenient for workers to operate the parts in the new air duct 50.

In some optional embodiments of the present application, the inspection opening 160 is provided on the side of the casing 100 facing away from the fresh air duct 50 . This arrangement facilitates workers to operate the components in the fresh air duct 50 from the inspection opening 160 . .

Specifically, the other end of the fresh air duct 50 passes through the wall and is connected to the outdoors. The inspection port 160 is provided on the side of the casing 100 facing away from the fresh air duct 50. Workers can directly remove the air conditioner 1 from the air conditioner 1 without disassembling it. The parts in the new air duct 50 are operated at the inspection port 160 to facilitate workers to repair or replace the parts in the new air duct 50 .

At the same time, workers can operate the parts in the new air duct 50 through the inspection port 160 from indoors, which avoids the need for workers to work at high altitudes to operate the new air duct 50 from the inspection port 160, which facilitates workers' work. operate.

In some optional embodiments of the present application, the ventilation chamber 150 includes a first chamber 151 and a second chamber 152. The first chamber 151 is connected to the fresh air duct 50, and the second chamber 152 is connected to the air outlet. The oxygen generated by the oxygen device 60 can be discharged into the room from the air outlet to increase the oxygen content in the room.

The air in the fresh air duct 50 can enter the first chamber 151, flow along the first chamber 151 to the second chamber 152, flow along the second chamber 152 to the air outlet, and be discharged from the air outlet to the room. Introduce fresh air indoors.

Among them, the first chamber 151 and the second chamber 152 are connected through the air outlet. The casing 100 is provided with a movable valve 170. The valve 170 can open or close the air outlet to connect the first chamber 151 and the second chamber. The chamber 152 separates the first chamber 151 and the second chamber 152 .

Specifically, in the fresh air mode, the air outlet can be opened through the valve 170 to connect the first chamber 151 and the second chamber 152, so that the air in the fresh air duct 50 flows through the first chamber 151 and the second chamber in sequence. 152, and finally discharged from the air outlet to the room to introduce fresh air into the room. In the oxygen-enriched mode that does not require the introduction of fresh air but requires the introduction of oxygen, the air outlet can be closed through the valve 170 to isolate the first chamber 151 and the second chamber 152, so that the oxygen generated by the oxygen increasing device 60 can be released from the air outlet. Discharge indoors to increase indoor oxygen content.

In one embodiment, the air outlet hole 61 of the aeration device 60 is connected to the second chamber 152 through the vent pipe 64, and the valve 170 has an escape hole. The escape hole is used to avoid the vent pipe 64, so that the vent pipe 64 can be connected smoothly to increase the oxygen content. The air outlet 61 and the second chamber 152 of the oxygen device 60 allow the oxygen in the oxygen increasing device 60 to flow from the air outlet 61 along the ventilation pipe 64 to the second chamber 152, and then flow along the second chamber 152 to the outlet. The air outlet is discharged from the air outlet to the room to increase the oxygen content of the indoor air.

Specifically, the ventilation pipe 64 communicates with the air outlet 61 of the aeration device 60 and the second chamber 152. Outdoor air can enter the new air duct 50 from the other end of the new air duct 50, and part of the air in the new air duct 50 can Entering the oxygen increasing device 60, the oxygen increasing device 60 generates high-concentration oxygen after being processed. The high-concentration oxygen enters the vent pipe 64 from the air outlet 61 of the oxygen increasing device 60, and enters the second chamber 152 along the vent pipe 64. , flows along the second chamber 152 to the air outlet, and is discharged from the air outlet to the room to increase the oxygen content of the indoor air.

In another embodiment, the air outlet 61 and the air outlet of the oxygen increasing device 60 pass through the ventilation pipe 64, and the valve 170 has an escape hole for avoiding the ventilation pipe 64, so that the ventilation pipe 64 can smoothly communicate with the outlet of the oxygen increasing device 60. The air hole 61 and the air outlet allow the oxygen in the oxygen increasing device 60 to flow directly from the air outlet 61 along the ventilation pipe 64 to the air outlet, and then be discharged from the air outlet to the room, so as to bring the oxygen into the room and increase the indoor air circulation. oxygen content.

Specifically, the ventilation pipe 64 is connected with the air outlet 61 and the air outlet of the oxygenation device 60. Outdoor air can enter the new air duct 50 from the other end of the new air duct 50, and part of the air in the new air duct 50 can enter the oxygenation device. In the device 60, high-concentration oxygen is generated after being processed by the oxygen-increasing device 60. The high-concentration oxygen enters the ventilation pipe 64 from the air outlet 61 of the oxygen-increasing device 60, flows along the ventilation pipe 64 to the air outlet, and is discharged from the air outlet. Go indoors to increase the oxygen content of indoor air.

In some embodiments, when the user only needs to introduce oxygen into the room to increase the oxygen content in the room, the valve 170 can be moved to a position to close the air outlet. At this time, the oxygen in the oxygen increasing device 60 can enter the ventilation hole 61 through the air outlet. In the air pipe 64, it flows along the ventilation pipe 64 to the second chamber 152 or directly flows to the air outlet, and flows from the air outlet to the room to increase the oxygen content of the indoor air. The air in the fresh air duct 50 will flow to the first chamber 151. Since the valve 170 closes the air outlet at this time, this part of the air will gather in the first chamber 151.

When it is necessary to introduce oxygen and fresh air into the room, the valve 170 can be moved to the position of opening the air outlet. At this time, the first chamber 151 and the second chamber 152 are connected, and the oxygen in the oxygen increasing device 60 can enter through the air outlet 61 In the ventilation pipe 64, the air flows along the ventilation pipe 64 to the second chamber 152 or directly to the air outlet, and flows from the air outlet to the room to increase the oxygen content of the indoor air.

The air in the fresh air duct 50 will flow into the first chamber 151, flow through the air outlet to the second chamber 152, flow along the second chamber 152 to the air outlet, and flow from the air outlet to the indoor space to Introduce fresh air indoors.

In some optional embodiments of the present application, the air outlet includes an indoor outlet, the indoor air duct 140 is connected with the indoor outlet, and the first indoor fan 300 can drive indoor air from the indoor air inlet into the indoor air duct 140. The air in the duct 140 is processed by the indoor heat exchanger 200 and becomes air carrying cold or heat. It flows along the indoor air duct 140 to the indoor outlet, and flows from the indoor outlet to the room to adjust the indoor environment.

The air outlet also includes a fresh air outlet 132. The second chamber 152 is connected to the fresh air outlet 132. A second indoor fan 400 is provided in the second chamber 152. The first chamber 151 is connected to the fresh air duct 50. When the valve 170 moves to When the air outlet is opened so that the first chamber 151 and the second chamber 152 are connected, the second indoor fan 400 can drive the outdoor air to enter the new air duct 50 from the other end of the new air duct 50 . The internal flow is processed by the oxygen increasing device 60 to generate oxygen. Driven by the second indoor fan 400, the oxygen flows from the fresh air outlet 132 to the room to supplement oxygen into the room.

At the same time, driven by the second indoor fan 400, the air in the fresh air duct 50 can flow into the room from the fresh air outlet 132 to introduce fresh air into the room.

Specifically, in some optional embodiments, the air outlet 61 of the aeration device 60 is connected to the second chamber 152 or the fresh air outlet 132 through the ventilation pipe 64, and the valve 170 can movable open or close the air outlet to block the third air outlet. A chamber 151 and a second chamber 152 or communicate with the first chamber 151 and the second chamber 152 .

When the valve 170 closes the air outlet, the second indoor fan 400 can drive the outdoor air to enter the new air duct 50 from the other end of the new air duct 50 , and a part of the air enters the oxygen increasing device 60 , and is processed by the oxygen increasing device 60 to produce high temperature. The oxygen can flow from the air outlet 61 to the second chamber 152 along the ventilation pipe 64 or directly to the fresh air outlet 132, and then flow from the fresh air outlet 132 to the room to introduce oxygen into the room. The air in the fresh air duct 50 will flow into the first chamber 151 and collect in the first chamber 151 .

When the valve 170 opens the air outlet, the first chamber 151 is connected to the second chamber 152. Driven by the second indoor fan 400, the air collected in the first chamber 151 can flow to the second chamber through the air outlet. The chamber 152 flows from the second chamber 152 to the fresh air outlet 132, and flows from the fresh air outlet 132 to the room to introduce fresh air into the room.

In one embodiment, the first indoor fan 300 is a cross-flow fan. The first indoor fan 300 can drive indoor air from the indoor air inlet into the indoor air duct 140. After the indoor air duct 140 is processed by the indoor heat exchanger 200 It flows along the indoor air duct 140 to the indoor outlet, and flows from the indoor outlet to the room to bring the cold or heat generated by the indoor heat exchanger 200 to the room to adjust the indoor environment.

Among them, the first indoor fan 300 is set as a cross-flow fan to facilitate driving the air in the indoor air duct 140 to flow along a straight line, so that the indoor heat exchanger 200 can fully process the air in the indoor air duct 140 and make the indoor air duct The air within 140°C can carry enough cold or heat to regulate the indoor environment.

The second indoor fan 400 is a centrifugal fan. The centrifugal fan can generate negative pressure in the second chamber 152 so that the air in the fresh air duct 50 flows to the centrifugal fan and flows from the fresh air outlet 132 to the room under the driving of the centrifugal fan. .

Specifically, since the circulation path of the air in the fresh air duct 50, the ventilation cavity 150 and the ventilation duct 64 is relatively complex, the second indoor fan 400 is set as a centrifugal fan so that the air in the fresh air duct 50 can smoothly flow to the fresh air. The outlet 132 is used to introduce oxygen or fresh air into the room.

As shown in Figure 7, in some embodiments of the present application, the air conditioner 1 has an electric control box 11. The electric control box 11 can provide power to the components in the air conditioner 1, such as the first indoor fan 300 and the second indoor fan 300. The indoor fan 400 provides power so that the first indoor fan 300 and the second indoor fan 400 can rotate smoothly.

In some optional embodiments of the present application, the second chamber 152 is connected to the indoor air duct 140, and the fresh air or oxygen-rich air flowing into the second chamber 152 can flow to the indoor air duct 140. In the indoor air duct 140 After being processed by the indoor heat exchanger 200, the cold or heat can be carried, flow along the indoor air duct 140 to the air outlet, and flow from the air outlet to the room, so that this part of the air can be used to adjust the indoor ambient temperature.

Specifically, this arrangement facilitates increasing the air volume flowing to the indoor air duct 140, thereby allowing more air carrying cold or heat to flow from the air outlet to the room to fully regulate the indoor environment.

In an embodiment in which the air outlet 61 of the aeration device 60 and the second chamber 152 are connected through the ventilation pipe 64, the valve 170 can movable open or close the air outlet to isolate the first chamber 151 from the second chamber 152 or The first chamber 151 and the second chamber 152 are connected.

When the valve 170 closes the air outlet, outdoor air can enter the fresh air duct 50 from the other end of the fresh air duct 50 , and part of the air enters the oxygen increasing device 60 , and is processed by the oxygen increasing device 60 to produce high-concentration oxygen. The oxygen flows from the air outlet 61 to the second chamber 152 along the ventilation pipe 64. Since the second chamber 152 is connected with the indoor air duct 140, this part of the air can enter the indoor air duct 140, and is exchanged in the indoor air duct 140 through the indoor air duct 140. After being processed by the heater 200, it carries cold energy or heat and flows from the indoor outlet to the indoor to adjust the indoor environment while introducing oxygen into the indoor.

The air in the fresh air duct 50 will flow into the first chamber 151 and collect in the first chamber 151 . When the valve 170 opens the air outlet, the first chamber 151 and the second chamber 152 are connected, and the air accumulated in the first chamber 151 can flow to the second chamber 152 through the air outlet and enter from the second chamber 152 The indoor air duct 140, after being processed by the indoor heat exchanger 200, carries the cold or heat from the indoor outlet to the indoor, so as to introduce fresh air into the indoor while regulating the indoor environment.

In an embodiment in which the air outlet 61 of the aeration device 60 and the fresh air outlet 132 are connected through the ventilation pipe 64, the valve 170 can movablely open or close the air outlet to isolate the first chamber 151 and the second chamber 152 or to connect the second chamber 151 to the second chamber 152. A chamber 151 and a second chamber 152.

When the valve 170 closes the air outlet, outdoor air can enter the fresh air duct 50 from the other end of the fresh air duct 50 , and part of the air enters the oxygen increasing device 60 , and is processed by the oxygen increasing device 60 to produce high-concentration oxygen. The oxygen flows from the air outlet 61 along the ventilation pipe 64 to the fresh air outlet 132, and flows from the fresh air outlet 132 to the room to increase the oxygen content of the indoor air.

In some embodiments of the present application, the oxygen increasing device 60 includes a molecular sieve oxygen generating component 600, an oxygen-rich membrane oxygen generating component 700, an electrochemical oxygen generating component or a physical adsorption oxygen generating component to prepare oxygen and thereby provide oxygen indoors, Increase the oxygen content of indoor air.

In some embodiments of the present application, the oxygen increasing device 60 includes an oxygen generating body 62 and a driving pump 63. The driving pump 63 is connected with the oxygen generating body 62. The driving pump 63 can drive the air in the fresh air duct 50 to enter the oxygen generating body 62. Inside.

Specifically, the oxygen generating body 62 can be disposed upstream of the driving pump 63. When the driving pump 63 is working, the air from the fresh air duct 50 can flow to the oxygen generating body 62 under the action of the driving pump 63. In the oxygen generating body 62 High-concentration oxygen is generated inside, and the generated high-concentration oxygen flows through the driving pump 63 .

Of course, the oxygen generating body 62 can be arranged downstream of the driving pump 63. When the driving pump 63 is working, the air in the fresh air duct 50 flows through the driving pump 63 and the oxygen generating body 62 in sequence, generating high concentration of oxygen in the oxygen generating body 62. Oxygen, the generated oxygen eventually enters the room to increase the oxygen content of the indoor air.

As shown in FIGS. 5 and 8 , in one embodiment, the oxygen increasing device 60 is a molecular sieve oxygen generating assembly 600 . The molecular sieve oxygen generating assembly 600 includes an oxygen generating body 62 and a driving pump 63 . The driving pump 63 is formed as a first vacuum pump 620 , the oxygen generating body 62 is formed as a molecular sieve oxygen tank 610, and the first vacuum pump 620 can drive the air in the new air duct 50 to flow into the molecular sieve oxygen tank 610 to generate high-concentration oxygen in the molecular sieve oxygen tank 610, and make the high-concentration oxygen Flows into the room and increases the oxygen content of the indoor air.

As shown in Figure 8, in one embodiment, the molecular sieve oxygen generation assembly 600 is provided with two molecular sieve oxygen tanks 610. Both of the two molecular sieve oxygen tanks 610 can generate high concentrations of oxygen, so that the molecular sieve oxygen generation assembly 600 can Produce enough oxygen to provide enough oxygen to the room and increase the oxygen content of the indoor air.

As shown in Figure 6, in one embodiment, the oxygen increasing device 60 is an oxygen-rich membrane oxygen generating assembly 700. The oxygen-rich membrane oxygen generating assembly 700 includes an oxygen generating body 62 and a driving pump 63. The driving pump 63 is formed as a second vacuum pump. 720. The oxygen-generating main body 62 is formed into an oxygen-rich membrane 710. The oxygen-rich membrane oxygen generating component 700 is connected with the ventilation pipe 64. The second vacuum pump 720 can drive the air in the fresh air duct 50 to flow into the oxygen-rich membrane 710. The oxygen-rich membrane 710 The air flowing into the oxygen-rich membrane 710 is screened, and oxygen is selectively allowed to flow through the oxygen-rich membrane 710 into the vent pipe 64 to generate a higher concentration of oxygen, so that the higher concentration of oxygen flows out of the vent pipe 64 along the vent pipe 64 . The air outlet flows to the room to increase the oxygen content of the indoor air.

In some optional embodiments of the present application, the air conditioner 1 also includes auxiliary functional parts, which are connected between the oxygen generation body 62 and the driving pump 63. The auxiliary functional parts include a dehumidification part, and the dehumidification part can clean the fresh air duct. The air in the aeration device 50 is dried, so that the dry air flows into the aeration device 60 to improve the oxygen production efficiency of the aeration device 60 .

At the same time, this arrangement can prevent excessively humid air from flowing in the casing 100 and prevent moisture from affecting the components in the casing 100, thereby extending the service life of the air conditioner 1.

In some optional embodiments of the present application, the auxiliary functional components also include a silencer 82 , which can silence the noise generated by the oxygenation device 60 to reduce the noise in the new air duct 50 to prevent the oxygenation device from The noise generated by 60 is too loud and affects users, so as to improve the user experience.

As shown in Figure 7, in an embodiment in which the aeration device 60 is a molecular sieve oxygen generating assembly 600, a non-rigid connection can be used between the molecular sieve oxygen tank 610 and the silencer 82 to more conveniently adapt to various installation methods. It is convenient to install the molecular sieve oxygen generating assembly 600 at a suitable position in the fresh air duct 50 .

In some embodiments of the present application, the air conditioner 1 further includes a dehumidification device 90 , which is connected with the aeration device 60 . The dehumidification device 90 includes a housing 910 and a heating element 920 . The housing 910 defines an air passage chamber 911 . A desiccant is provided in the air chamber 911, and the desiccant can absorb moisture in the air chamber 911.

In some embodiments, as shown in Figure 10, the heating element 920 is provided in the housing 910. The heating element 920 can heat the housing 910 from within the housing 910, and then transfer the heat to the fresh air duct through the housing 910. 50, to dry the air in the fresh air duct 50, and at the same time, it can provide a relatively dry environment for the oxygen increasing device 60, and improve the oxygen production efficiency of the oxygen increasing device 60.

In addition, the heating element 920 can also dry the desiccant in the housing 910 .

In other embodiments, as shown in Figure 9, the heating element 920 is provided outside the housing 910, and the heating element 920 is placed outside the housing 910 to heat the housing 910 from outside the housing 910, so that the housing 910 can be heated. 910 has a certain amount of heat, so that both the heating element 920 and the housing 910 can dry the air in the fresh air duct 50, and at the same time can provide a relatively dry environment for the oxygen increasing device 60, and improve the oxygen production of the oxygen increasing device 60. efficiency.

The control method of the air conditioner 1 according to the embodiment of the present application will be described below with reference to the accompanying drawings.

Among them, as shown in Figure 11, the control method of the air conditioner includes the following steps:

S1. Detect the humidity of the desiccant and the opening time of the aeration device;

S2. Then control the start and stop of the heating element according to the detected humidity of the desiccant and the opening time of the oxygenation device.

The control method of the air conditioner according to the embodiment of the present application has the advantages of being able to increase the oxygen content of the indoor air, reduce the noise transmitted to the user, and facilitate the improvement of the user experience.

Specifically, when it is detected that the humidity of the desiccant is greater than the preset humidity value, it means that the humidity of the air in the new air duct 50 is relatively large. At this time, the heating element 920 can be controlled to heat, and the heating element 920 can be used to heat the air in the new air duct 50 Heating is performed so that the air flowing out from the fresh air duct 50 is dry air and the air entering the aeration device 60 is dry air.

When it is detected that the humidity of the desiccant is less than or equal to the preset humidity value and the opening time of the oxygen increasing device 60 is greater than the preset time, it indicates that the efficiency of the oxygen increasing device 60 in generating oxygen is low. At this time, the heating element 920 can be controlled to heat, using The heating element 920 heats the air in the fresh air duct 50 to provide a relatively dry working environment for the aeration device 60 and improve the efficiency of the aeration device 60 in generating oxygen.

When it is detected that the humidity of the desiccant is less than or equal to the preset humidity value, and the opening time of the aeration device 60 is less than or equal to the preset time, it means that the humidity of the air in the new air duct 50 is low, and the aeration device 60 can successfully generate Oxygen, at this time, the heating element 920 is controlled to stop heating.

Other structures and operations of the air conditioner 1 and its control method according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis", The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply the referred devices or components. Must have a specific orientation, be constructed and operate in a specific orientation and are therefore not to be construed as limitations of the invention. In addition, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In the description of the present invention, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in direct contact with each other. additional characteristic contacts between.

In the description of the present invention, the terms "above", "above" and "above" a first feature on a second feature include that the first feature is directly above and diagonally above the second feature, or simply means that the first feature is horizontally higher than Second characteristic.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like is intended to be in conjunction with the implementation. An example or example describes a specific feature, structure, material, or characteristic that is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and purposes of the invention. The scope of the invention is defined by the claims and their equivalents.

Claims

An air conditioner, which includes:

The main body of the air conditioner includes a casing, an indoor heat exchanger and a first indoor fan. The casing has an indoor air duct, an indoor air inlet, a fresh air inlet and an air outlet. The indoor air duct is connected to the indoor air inlet. The air inlet and the air outlet are connected, and the indoor heat exchanger and the first indoor fan are located in the indoor air duct;

Fresh air duct, one end of the fresh air duct is connected to the fresh air inlet, and the other end of the fresh air duct is suitable for being installed in the wall to communicate with the outdoors;

Oxygenation device, the oxygenation device is installed in the fresh air duct to prepare oxygen.
The air conditioner according to claim 1, wherein the casing further has a ventilation cavity and an inspection opening, the ventilation cavity connects one end of the fresh air duct and the air outlet, and an inspection opening is provided at the inspection opening. Cover, used to open and close the inspection opening.
The air conditioner according to claim 2, wherein the inspection opening is provided on a side of the casing facing away from the fresh air duct.
The air conditioner according to claim 2 or 3, wherein the ventilation chamber includes a first chamber and a second chamber, the first chamber is connected to the new air duct, and the second chamber is connected to the new air duct. The air outlets are connected;

Wherein, the first chamber and the second chamber are connected through an air outlet, and a movable valve is provided in the casing for opening and closing the air outlet.
The air conditioner according to claim 4, wherein the air outlet of the oxygenating device is connected to the second chamber or the air outlet through a vent pipe, and the valve has a vent for avoiding the vent pipe. hole.
The air conditioner according to claim 4 or 5, wherein the air outlet includes an indoor outlet and a fresh air outlet, the indoor air duct is connected to the indoor outlet, and the second chamber is connected to the fresh air outlet, A second indoor fan is provided in the second chamber.
The air conditioner according to claim 6, wherein the first indoor fan is a cross-flow fan, and the second indoor fan is a centrifugal fan.
The air conditioner according to claim 4, wherein the second chamber is connected with the indoor air duct.
The air conditioner according to any one of claims 1 to 8, wherein the oxygen increasing device includes a molecular sieve oxygen generating component, an oxygen-rich membrane oxygen generating component, an electrochemical oxygen generating component or a physical adsorption oxygen generating component.
The air conditioner according to any one of claims 1 to 9, wherein the oxygen increasing device includes:

Oxygen production body;

A driving pump communicates with the oxygen generating body and is used to drive the air in the fresh air duct to enter the oxygen generating body.
The air conditioner according to claim 10, further comprising:

Auxiliary functional parts, the auxiliary functional parts are connected between the oxygen generating body and the driving pump, and the auxiliary functional parts include a dehumidification part and/or a silencer part.
The air conditioner according to any one of claims 1 to 11, further comprising a dehumidification device connected to the oxygenation device, the dehumidification device including:

A shell, the shell defines an air passage chamber, and a desiccant is provided in the air passage chamber;

A heating element is provided inside or outside the housing.
A control method for an air conditioner according to claim 12, which includes the following steps:

Detect the humidity of the desiccant and the opening time of the aeration device;

Control the starting and stopping of the heating element according to the detected humidity of the desiccant and the opening time of the aeration device.
The control method of an air conditioner according to claim 13, wherein:

When the humidity of the desiccant is greater than the preset humidity value, or the humidity of the desiccant is less than or equal to the preset humidity value and the opening time of the aeration device is greater than the preset time, the heating element is controlled to heat ;

When the humidity of the desiccant is less than or equal to the preset humidity value and the opening time of the aeration device is less than or equal to the preset time, the heating element is controlled to stop heating.