CN115419975A

CN115419975A - Air conditioning device and control method thereof

Info

Publication number: CN115419975A
Application number: CN202211027036.XA
Authority: CN
Inventors: 赵成寅
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-02

Abstract

The invention discloses an air conditioning device and a control method thereof, wherein the device comprises: when the outdoor fresh air inlet of the outdoor part of the second space is opened, the outdoor fresh air introduced through the outdoor fresh air inlet enters the indoor part of the first space after passing through the first heat exchange channel of the heat exchange core; outdoor fresh air is fed into the room through an indoor fresh air supply outlet in the first space indoor part; the second space indoor part is provided with an indoor dirty air inlet; when the indoor dirty air inlet is opened, indoor dirty air led out from the indoor dirty air inlet enters the outdoor part of the first space after passing through the second heat exchange channel of the heat exchange core; indoor dirty air is discharged to the outside through an indoor dirty air exhaust outlet at the outdoor part of the first space. This scheme is through setting up the integral type wind channel to set up the heat transfer core in the wind channel, can avoid new trend passageway and return air passageway to leak, can also carry out energy recuperation, thereby promote the energy-conserving effect of new trend equipment.

Description

Air conditioning device and control method thereof

Technical Field

The invention belongs to the technical field of air conditioners, particularly relates to an air conditioning device and a control method thereof, and particularly relates to a fresh air environment control all-in-one machine and a control method thereof.

Background

Along with the requirement of people on the indoor air quality is gradually improved, in order to meet the requirements of people on working and living in a comfortable and healthy indoor air environment, air treatment equipment capable of introducing fresh air into a room gradually appears in the market.

In the related scheme, the air conditioner only circulates indoor air during cooling or heating, and meanwhile, the doors and windows are closed for energy conservation, so that the indoor air quality is gradually deteriorated. In order to improve the indoor air quality, the air conditioning devices provided by some schemes mainly comprise fresh air ventilator, air purifier, fresh air conditioner and other equipment, but the functions of the equipment are single, and the equipment for processing the indoor air does not have the function of energy recovery, so that the energy-saving effect cannot be achieved. In addition, in the new trend air conditioner that some schemes provided, there is a large amount of leakages in new trend passageway, return air channel, and the new trend quality can reduce, and the heat recovery effect worsens, is unfavorable for the product energy-conservation.

The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.

Disclosure of Invention

The invention aims to provide an air conditioning device and a control method thereof, and aims to solve the problems that a fresh air device is single in function and does not have an energy recovery function, and a fresh air channel and a return air channel of the fresh air device are leaked, so that the energy-saving effect of the fresh air device is poor.

The present invention provides an air conditioning apparatus, including: the heat exchanger comprises a shell, an air duct and a heat exchange core body; the wind channel includes: a first space and a second space; the air duct is arranged inside the shell; the heat exchange core body is arranged inside the air duct and can form the air duct into an air duct outdoor part and an air duct indoor part; the heat exchange core body also divides the space where the air flue is located into two independent sub-air flues, wherein one sub-air flue is used as an air exhaust air flue through air exhaust, and the other sub-air flue is used as a fresh air flue through fresh air; in the air duct, the first space and the second space are arranged in parallel; the duct outdoor section comprising: a first space outdoor portion and a second space outdoor portion; the air duct indoor part comprises: a first interior portion and a second interior portion; the second space outdoor part is provided with an outdoor fresh air inlet; when the outdoor fresh air inlet is opened, outdoor fresh air introduced from the outdoor fresh air inlet enters the first space indoor part after passing through the first heat exchange channel of the heat exchange core; the first space indoor part is provided with an indoor fresh air supply outlet; sending outdoor fresh air into the room through the indoor fresh air supply outlet; the outer part of the second space chamber and the inner part of the first space chamber form a fresh air duct; the indoor part of the second space is provided with an indoor dirty air inlet; when the indoor dirty air inlet is opened, indoor dirty air led out from the indoor dirty air inlet enters the outdoor part of the first space after passing through the second heat exchange channel of the heat exchange core; the first space outdoor part is provided with an indoor dirty air exhaust outlet; discharging indoor dirty air to the outside through the indoor dirty air outlet; the second space chamber inner part and the first space chamber outer part form an exhaust air duct.

In some embodiments, the fresh air duct and the exhaust air duct are integrally disposed within the housing to form an integral air duct.

In some embodiments, further comprising: at least one of the first fan and the second fan; wherein, in the case that the air conditioning device further includes a first fan, the first fan is disposed at the first space outdoor part; in the case that the air conditioning device further includes a second fan, the second fan is disposed in the first space-indoor portion.

In some embodiments, further comprising: at least one of a first air valve and a second air valve; wherein, under the condition that the air conditioning device further comprises a first air valve, the first air valve is arranged at the inner part of the second space chamber and is used for controlling the opening and closing of the indoor dirty air inlet; and under the condition that the air conditioning device further comprises a second air valve, the second air valve is arranged at the outer part of the second space chamber and is used for controlling the opening and closing of the outdoor fresh air inlet.

In some embodiments, further comprising: at least one of the first filter and the second filter; under the condition that the air conditioning device further comprises a first filter screen, the first filter screen is arranged in the first space indoor part and is used for filtering outdoor fresh air sent into the room through the indoor fresh air supply outlet; and under the condition that the air conditioning device further comprises a second filter screen, the second filter screen is arranged at the outdoor part of the second space and used for filtering outdoor fresh air introduced from the outdoor fresh air inlet.

In some embodiments, further comprising: an outer machine and an inner machine; the outer machine includes: the system comprises a compressor, a four-way valve, a throttling device and an outdoor heat exchanger; the internal machine includes: an indoor heat exchanger; the indoor heat exchanger is arranged in the first space indoor part; the exhaust port of the compressor is communicated to a first valve port of the four-way valve; the second valve port of the four-way valve is communicated to the third valve port of the four-way valve after passing through the outdoor heat exchanger, the throttling device and the indoor heat exchanger; and the fourth valve port of the four-way valve is communicated to the air suction port of the compressor.

In some embodiments, where the air conditioning unit further comprises a second fan, the indoor heat exchanger is located between the heat exchange core and the second fan in the first space indoor section.

In accordance with the air conditioner, a further aspect of the present invention provides a control method for an air conditioner, including: acquiring ambient air parameters of the environment where the air conditioning device is located; and controlling the opening and closing of corresponding air channels in the fresh air channel and the exhaust air channel according to the ambient air parameters so as to perform total heat exchange between indoor dirty air and outdoor fresh air in the heat exchange core and recover partial energy through the heat exchange core.

In some embodiments, the ambient air parameters include: indoor temperature, indoor humidity, indoor PM2.5 and indoor carbon dioxide concentration; according to the ambient air parameter, control the opening and closing of fresh air duct and corresponding wind channel in the wind channel of airing exhaust, include: judging whether the indoor PM2.5 is larger than a set PM2.5 value or judging whether the indoor carbon dioxide concentration is larger than a set concentration value; if the indoor PM2.5 is larger than a set PM2.5 value and/or the indoor carbon dioxide concentration is larger than a set concentration value, controlling the fresh air duct to be closed and controlling the exhaust air duct to be opened; under the condition that the air conditioning device further comprises a first air valve, a second air valve, a first fan, a second fan and an external unit, controlling the external unit to be turned off, controlling the first air valve to be opened, controlling the second air valve to be closed, and controlling the first fan and the second fan to be started; and if the indoor PM2.5 is less than or equal to a set PM2.5 value and/or the indoor carbon dioxide concentration is less than or equal to a set concentration value, controlling the opening and closing of the corresponding air channels in the fresh air channel and the exhaust air channel according to at least one of the indoor temperature and the indoor humidity.

In some embodiments, controlling the opening and closing of the corresponding one of the fresh air duct and the exhaust air duct according to at least one of the indoor temperature and the indoor humidity includes: judging whether the indoor temperature is higher than a set temperature and/or judging whether the indoor humidity is higher than a set humidity; if the indoor temperature is higher than the set temperature and/or the indoor humidity is higher than the set humidity, the fresh air duct is controlled to be opened, and the exhaust air duct is controlled to be closed; under the condition that the air conditioning device further comprises a first air valve, a second air valve, a first fan, a second fan and an external unit, controlling the external unit to start and execute a refrigeration mode, controlling the first air valve to close, controlling the second air valve to open, controlling the first fan to close, and controlling the second fan to start; if the indoor temperature is higher than the set temperature and lower than the difference between the set temperature and the set value, the fresh air duct is controlled to be opened, and the exhaust air duct is controlled to be closed; under the condition that the air conditioning device further comprises a first air valve, a second air valve, a first fan, a second fan and an external unit, the external unit is controlled to start and execute a heating mode, the first air valve is controlled to be closed, the second air valve is controlled to be opened, the first fan is controlled to be closed, and the second fan is controlled to start.

Therefore, according to the scheme of the invention, the integrated air channel is arranged, the heat exchange core body is arranged in the integrated air channel, the fresh air channel and the air exhaust channel respectively form two mutually independent spaces in the shell where the air channels are arranged through the heat exchange core body, and indoor dirty air and outdoor fresh air are subjected to total heat exchange in the heat exchange core body 6, so that the integrated air channel is arranged, and the heat exchange core body is arranged in the air channel, so that the leakage of the fresh air channel and the return air channel can be avoided, energy recovery can be carried out, and the energy-saving effect of the fresh air equipment is improved.

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

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an air conditioning apparatus according to the present invention;

FIG. 2 is a schematic view of an assembly structure of an embodiment of the fresh air environment control all-in-one machine, wherein (a) is a front view, (b) is a left view, and (c) is a top view;

FIG. 3 is a schematic perspective view of an embodiment of a fresh air environment control all-in-one machine;

FIG. 4 is a schematic view of an assembly structure of an air duct in the fresh air environment control all-in-one machine, wherein (a) is a front view, (b) is a left view, and (c) is a top view;

FIG. 5 is a schematic perspective view of an embodiment of an air duct in the fresh air environment control all-in-one machine;

FIG. 6 is a schematic flow chart of an embodiment of a control method of the fresh air environment control all-in-one machine;

FIG. 7 is a schematic view of the working principle of the fresh air environment control all-in-one machine in a first operation mode;

fig. 8 is a schematic view of the working principle of the fresh air environment control all-in-one machine in the second operation mode.

FIG. 9 is a flowchart illustrating an embodiment of a control method according to the present invention;

FIG. 10 is a schematic flow chart illustrating an embodiment of controlling the opening and closing of the fresh air duct and the exhaust air duct according to the ambient air parameters in the method of the present invention;

fig. 11 is a schematic flow chart illustrating an embodiment of controlling the opening and closing of the corresponding air ducts in the fresh air duct and the exhaust air duct according to at least one of the indoor temperature and the indoor humidity in the method of the present invention.

The reference numbers in the embodiments of the invention are as follows, in combination with the drawings:

11-a first refrigerant pipe; 12-a second refrigerant pipe; 21-a first filter screen; 22-a second filter; 3, a main board; 41-a first air valve; 42-a second air valve; 51-a first fan; 52-a second fan; 6-a heat exchange core; 71-a compressor; 72-a four-way valve; 73-a throttling device; 81-outdoor heat exchanger; 82-indoor heat exchanger.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to an embodiment of the present invention, there is provided an air conditioning device. Referring to fig. 1, a schematic diagram of an embodiment of the apparatus of the present invention is shown. The air conditioning device may include: shell, wind channel and heat exchange core 6. The wind channel includes: a first space and a second space.

Wherein, the wind channel sets up in the inside of casing. The heat exchange core body 6 is arranged inside the air duct and can form the air duct into an air duct outdoor part and an air duct indoor part; the heat exchange core body (6) also divides the space where the air flue is located into two independent sub-air flues, wherein one sub-air flue is used as an air exhaust flue through air exhaust, and the other sub-air flue is used as a fresh air flue through fresh air. That is, in the air duct, the portion of the heat exchange core 6 near the outdoor side is the outdoor portion of the air duct, and the portion of the heat exchange core 6 near the indoor side is the indoor portion of the air duct.

In the air duct, the first space and the second space are arranged in parallel. The duct outdoor section comprising: a first space outdoor portion and a second space outdoor portion. The air duct indoor portion includes: a first interior portion and a second interior portion.

And the outdoor part of the second space is provided with an outdoor fresh air inlet. Under the condition that the outdoor fresh air inlet is opened, outdoor fresh air introduced from the outdoor fresh air inlet passes through the first heat exchange channel of the heat exchange core body 6 and then enters the first space indoor part. The first space indoor part is provided with an indoor fresh air supply outlet. And sending outdoor fresh air into the room through the indoor fresh air supply outlet. The outer part of the second space chamber and the inner part of the first space chamber form a fresh air duct.

The indoor part of the second space is provided with an indoor dirty air inlet. And under the condition that the indoor dirty air inlet is opened, indoor dirty air led out from the indoor dirty air inlet enters the outdoor part of the first space after passing through the second heat exchange channel of the heat exchange core body 6. The first space outdoor part is provided with an indoor dirty air exhaust outlet. And discharging indoor dirty air to the outdoor through the indoor dirty air exhaust outlet. The second space chamber inner part and the first space chamber outer part form an exhaust air duct.

According to the scheme provided by the invention, the fresh air environment control integrated machine is adopted to forcibly introduce fresh air into the room, and simultaneously, indoor dirty air is forcibly exhausted out of the room, so that the function of introducing fresh air into the room can be realized, the leakage between the fresh air duct and the return air duct can be reduced, the quality of fresh air is improved, the problem of poor quality of indoor air is solved, and the energy conservation is facilitated. Moreover, indoor dirty air and outdoor fresh air are subjected to total heat exchange in the heat exchange core 6, energy is recovered through the heat exchange core 6, partial heat is recovered, and the energy-saving effect can be further achieved.

Fig. 2 is an assembly structure diagram of an embodiment of the fresh air environment control all-in-one machine, wherein (a) is a front view, (b) is a left view, and (c) is a top view. Fig. 3 is a schematic perspective view of an embodiment of a fresh air environment control all-in-one machine. Fig. 4 is a schematic view of an assembly structure of an air duct in the fresh air environment control all-in-one machine, wherein (a) is a front view, (b) is a left view, and (c) is a top view. Fig. 5 is a schematic perspective view of an embodiment of an air duct in the fresh air environment control all-in-one machine. As shown in the examples of fig. 2-5, the air duct is a separate component that is assembled within the housing. The air duct is used as an independent part, the integrally formed air duct is adopted, and compared with fresh air conditioners of some schemes, the air duct is not spliced and assembled by metal plates, so that leakage between the fresh air duct and a dirty air duct is reduced, pollution of dirty air to fresh air is reduced, heat recovery efficiency is improved, and energy consumption of rooms is reduced. In addition, in some schemes, the air duct of the existing fresh air environment control all-in-one machine is formed by splicing and assembling metal plates, and the air duct adopted in the scheme of the invention is an independent part, so that the assembly efficiency of a unit can be improved.

In some embodiments, the air conditioning device further includes: at least one of the first fan 51 and the second fan 52.

Wherein, in case that the air conditioning device further includes a first fan 51, the first fan 51 is disposed at the first space outdoor part. In the case that the air conditioning device further includes a second fan 52, the second fan 52 is disposed in the first space indoor part.

Referring to the examples shown in fig. 7 and 8, positions for installing the heat exchange core 6, the first fan 51 and the second fan 52 are reserved on the air duct. Outdoor fresh air and indoor air exchange heat through the heat exchange core 6. After the heat exchange core body 6 is installed on the air duct, the air duct is divided into two independent spaces, outdoor fresh air is introduced into the room through the outdoor fresh air inlet and the indoor fresh air supply outlet, indoor air is discharged into the room through the indoor dirty air inlet and the outdoor dirty air exhaust outlet, partial heat is recycled through the heat exchange core body 6, and energy conservation is achieved.

In some embodiments, the air conditioning device further includes: at least one of the first and

second dampers

41 and 42.

Wherein, under the condition that the air conditioning device further comprises a first air valve 41, the first air valve 41 is arranged at the inner part of the second space chamber and is used for controlling the opening and closing of the indoor dirty air inlet. Fig. 7 is a schematic view of a working principle of the fresh air environment control all-in-one machine in a first operation mode, and fig. 8 is a schematic view of a working principle of the fresh air environment control all-in-one machine in a second operation mode. Referring to the examples shown in fig. 7 and 8, the indoor dirty air inlet: the indoor air is connected to the room, and the dirty air in the room is discharged to the outside of the room by the first fan 51. First air valve 41: the opening and closing of the dirty air inlet in the control room. Outdoor dirty wind air exit: connected to the outdoor, is an indoor air outlet.

In the case that the air conditioning device further includes a second air valve 42, the second air valve 42 is disposed at an external portion of the second space chamber and is used for controlling the opening and closing of the fresh air inlet. Referring to the examples shown in fig. 7 and 8, the outdoor fresh air inlet: the outdoor is connected and fresh air is introduced. Second air valve 42: the opening and closing of the fresh air inlet are controlled. Indoor fresh air supply outlet: connected to the room to discharge air into the room.

Wherein, indoor dirty air and indoor fresh air heat transfer: the first damper 41 is opened, the second damper 42 is closed, and the first fan 51 and the second fan 52 are started. The heat exchange core body 6 is composed of two independent air channels, and outdoor fresh air and indoor dirty air exchange heat in the heat exchange core body 6.

In some embodiments, the air conditioning device further includes: at least one of the first filter 21 and the second filter 22.

Under the condition that the air conditioning device further comprises a first filter screen 21, the first filter screen 21 is arranged in the first space indoor part and used for filtering outdoor fresh air sent into the room through the indoor fresh air supply opening.

In the case that the air conditioning device further includes a second filter 22, the second filter 22 is disposed at an outdoor portion of the second space, and is configured to filter the outdoor fresh air introduced from the outdoor fresh air inlet.

As shown in fig. 2 to 5, the fresh air environment control all-in-one machine comprises a housing, an air duct, a first refrigerant pipe 11, a second refrigerant pipe 12, a heat exchange core 6, a first fan 51, a second fan 52, a first filter 21, a second filter 22, a first air valve 41, a second air valve 42, and a controller. The main board of the controller controls the first refrigerant pipe 11, the second refrigerant pipe 12, the heat exchange core 6, the first fan 51, the second fan 52, the first filter screen 21, the second filter screen 22, the first air valve 41, and the second air valve 42. The heat exchange core body 6 is one of core components of the fresh air machine and mainly used for energy recovery. Outdoor fresh air and indoor exhaust air pass through the heat exchange core body in a crossed mode, energy exchange is carried out inside the heat exchange core body, the two types of air are separated from each other, and mass exchange is avoided.

With reference to the examples shown in fig. 2 to 5 and fig. 7 to 8, positions for installing the heat exchange core 6, the heat exchanger (such as the indoor heat exchanger 82), the first fan 51, the second fan 52, the first filter 21, the second filter 22, the first air valve 41, and the second air valve 42 are reserved on the air duct. Outdoor fresh air and indoor air exchange heat through the heat exchange core body 6. After the heat exchange core body 6 is installed on the air duct, the air duct is divided into two independent spaces, outdoor fresh air is introduced into the room through the outdoor fresh air inlet and the indoor fresh air supply outlet, and indoor air is discharged into the room through the indoor dirty air inlet and the outdoor dirty air outlet. Make indoor dirty air and outdoor new trend carry out the total heat exchange in heat exchange core 6 is inside, through heat exchange core 6 recovered energy, retrieve partial heat, can reach energy-conserving effect.

In some embodiments, the air conditioning device further includes: an outer unit and an inner unit. The outer machine includes: a compressor 71, a four-way valve 72, a throttling device 73 and an outdoor heat exchanger 81. The internal unit includes: an indoor heat exchanger 82. The indoor heat exchanger 82 is disposed in the first space indoor portion.

An exhaust port of the compressor 71 is connected to a first port of the four-way valve 72. The second port of the four-way valve 72 passes through the outdoor heat exchanger 81, the throttling device 73 and the indoor heat exchanger 82, and then is communicated to the third port of the four-way valve 72. The fourth port of the four-way valve 72 is connected to the suction port of the compressor 71.

The fresh air environment control all-in-one machine provided by the scheme of the invention has the following functions: the method comprises the following steps of cleaning indoor air, introducing outdoor fresh air, discharging indoor dirty air, exchanging heat between the indoor dirty air and the outdoor fresh air, cooling air, heating and dehumidifying. As shown in fig. 7 and 8, the integrated fresh air environment control machine is composed of an external machine and an internal machine. The indoor unit includes an indoor heat exchanger 82, a heat exchange core 6, a first fan 51, and a second fan 52 provided in the air duct. The outdoor unit includes a compressor 71, a four-way valve 72, a throttle device 73, and an outdoor heat exchanger 81. An exhaust port of the compressor 71 is connected to a first port of the four-way valve 72. The second port of the four-way valve 72 is connected to the first port of the indoor heat exchanger 82 via the outdoor heat exchanger 81 and the throttle device 73. A second port of the indoor heat exchanger 82 communicates with the third port of the four-way valve 72. The fourth port of the four-way valve 72 is connected to the suction port of the compressor 71.

In some embodiments, where the air conditioning unit further comprises a second fan 52, the indoor heat exchanger 82 is located between the heat exchange core 6 and the second fan 52 in the first space indoor section.

Referring to the example shown in fig. 7 and 8, the air duct includes: a first space and a second space arranged in parallel. The heat exchange core 6 is transversely arranged in the air duct, divides the first space into a first space indoor part and a first space outdoor part, and divides the second space into a second space indoor part and a second space outdoor part. The first indoor space part is provided therein with a first fan 51, and the first indoor space part is provided therein with a second fan 52. Outdoor new trend is introduced as outdoor new trend air intake to the entry of the outdoor portion of second space, and outdoor new trend obtains clean new trend after indoor heat exchanger 82 and second fan 52 from the indoor portion of first space after heat transfer core 6, sends into indoorly with clean new trend from the indoor portion of first space, and the supply-air outlet of the indoor portion of first space is as indoor new trend supply-air outlet. The inlet of the indoor part of the second space is used as an indoor dirty air inlet to lead out indoor dirty air, the indoor dirty air is exhausted outdoors from the air outlet of the outdoor part of the first space after passing through the heat exchange core body 6, and the air outlet of the outdoor part of the first space is used as an indoor dirty air outlet. In conjunction with the examples shown in fig. 2 and 3, the air may be cooled and dehumidified by the indoor heat exchanger 82. In the example shown in fig. 4 and 5, the heat pump mode is turned on by reversing the direction via the four-way valve 72, and the temperature of the wind is raised via the indoor heat exchanger 82. Under each mode, make indoor dirty air and outdoor new trend carry out the total heat exchange in heat exchange core 6 is inside, through heat exchange core 6 recovery energy, retrieve partial heat, can reach energy-conserving effect.

By adopting the technical scheme of the invention, the integrated air channel is arranged, the heat exchange core body is arranged in the integrated air channel, so that the fresh air channel and the exhaust air channel respectively form two mutually independent spaces in the shell where the air channels are positioned through the heat exchange core body, indoor dirty air and outdoor fresh air are subjected to total heat exchange in the heat exchange core body 6, and therefore, by arranging the integrated air channel and arranging the heat exchange core body in the air channel, the leakage of the fresh air channel and the return air channel can be avoided, energy recovery can also be carried out, and the energy-saving effect of the fresh air equipment is improved.

According to an embodiment of the present invention, there is also provided a control method of an air conditioning device corresponding to the air conditioning device, as shown in fig. 9, which is a schematic flow chart of an embodiment of the method of the present invention. The control method of the air conditioning device may include: step S110 to step S120.

At step S110, ambient air parameters of an environment in which the air conditioning device is located are obtained.

In step S120, according to the ambient air parameter, the opening and closing of the corresponding air duct of the fresh air duct and the exhaust air duct are controlled, so that the indoor dirty air and the outdoor fresh air perform total heat exchange inside the heat exchange core 6, and part of energy is recovered by the heat exchange core 6.

The scheme of the invention provides a control method of the fresh air environment control all-in-one machine, the fresh air environment control all-in-one machine is adopted to forcibly introduce fresh air into the room, simultaneously, dirty air in the room is forcibly discharged out of the room, the function of introducing fresh air into the room can be realized, the leakage between a fresh air duct and a return air duct can be reduced, the quality of the fresh air is improved, the problem of poor quality of the indoor air is solved, and the energy conservation is facilitated. Moreover, indoor dirty air and outdoor fresh air are subjected to total heat exchange in the heat exchange core 6, energy is recovered through the heat exchange core 6, partial heat is recovered, and the energy-saving effect can be further achieved.

In some embodiments, the ambient air parameters include: indoor temperature, indoor humidity, indoor PM2.5, and indoor carbon dioxide concentration.

In step S120, a specific process of opening and closing corresponding air ducts in the fresh air duct and the exhaust air duct is controlled according to the ambient air parameter, which is described in the following exemplary description.

With reference to the flow chart of an embodiment of the method of the present invention shown in fig. 10, which controls the opening and closing of the fresh air duct and the corresponding air duct in the exhaust air duct according to the ambient air parameters, the specific process of controlling the opening and closing of the fresh air duct and the corresponding air duct in the exhaust air duct according to the ambient air parameters in step S120 is further described, which includes: step S210 to step S230.

Step S210, judging whether the indoor PM2.5 is larger than a set PM2.5 value or whether the indoor carbon dioxide concentration is larger than a set concentration value.

And S220, if the indoor PM2.5 is larger than a set PM2.5 value and/or the indoor carbon dioxide concentration is larger than a set concentration value, controlling the fresh air duct to be closed, and controlling the exhaust air duct to be opened. Under the condition that the air conditioning device further comprises a first air valve 41, a second air valve 42, a first fan 51, a second fan 52 and an external unit, the external unit is controlled to be turned off, the first air valve 41 is controlled to be opened, the second air valve 42 is controlled to be closed, and the first fan 51 and the second fan 52 are controlled to be started.

And S230, if the indoor PM2.5 is less than or equal to a set PM2.5 value, and/or the indoor carbon dioxide concentration is less than or equal to a set concentration value, controlling the opening and closing of corresponding air channels in the fresh air channel and the exhaust air channel according to at least one of the indoor temperature and the indoor humidity.

The scheme of the invention also provides a control method of the fresh air environment control all-in-one machine, which can effectively control the indoor air quality. Fig. 6 is a flowchart illustrating an embodiment of a control method of the fresh air environment control all-in-one machine. As shown in fig. 6, the method for controlling an air conditioning device, such as a fresh air environment control all-in-one machine, includes:

step 1, after an air conditioning device such as a fresh air environment control integrated machine is started, equipment such as a sensor starts to collect outdoor temperature, indoor humidity, PM2.5 and carbon dioxide concentration, and then step 2 is executed.

Step 2, firstly, determining the concentrations of PM2.5 and carbon dioxide respectively with corresponding set values, namely: and (4) judging whether the indoor PM2.5 is higher than a set PM2.5 value or whether the indoor carbon dioxide concentration is higher than a set concentration value, and then executing step 3, step 4 or step 5.

And 3, if the indoor PM2.5 is higher than a set PM2.5 value or the indoor carbon dioxide concentration is higher than a set concentration value, opening the first air valve 41, starting the first fan 51 and the second fan 52, discharging indoor air to the outdoor, introducing fresh air from the outdoor, and then executing the step 4.

In some embodiments, in step S230, a specific process of opening and closing the corresponding air duct of the fresh air duct and the exhaust air duct is controlled according to at least one of the indoor temperature and the indoor humidity, which is described in the following exemplary description.

With reference to the flow diagram of an embodiment of the method of the present invention shown in fig. 11, which is used to control the opening and closing of the fresh air duct and the corresponding air duct in the exhaust air duct according to at least one of the indoor temperature and the indoor humidity, the specific process of controlling the opening and closing of the corresponding air duct in the fresh air duct and the corresponding air duct in the exhaust air duct according to at least one of the indoor temperature and the indoor humidity in step S230 is further described, which includes: step S310 to step S330.

Step S310, judging whether the indoor temperature is higher than a set temperature and/or judging whether the indoor humidity is higher than a set humidity.

And S320, if the indoor temperature is higher than the set temperature and/or the indoor humidity is higher than the set humidity, controlling the fresh air duct to be opened and controlling the exhaust air duct to be closed. Under the condition that the air conditioning device further comprises a first air valve 41, a second air valve 42, a first fan 51, a second fan 52 and an external unit, the external unit is controlled to start and execute a cooling mode, the first air valve 41 is controlled to be closed, the second air valve 42 is controlled to be opened, the first fan 51 is controlled to be closed, and the second fan 52 is controlled to start.

And S330, if the indoor temperature is higher than the set temperature and lower than the difference between the set temperature and the set value, controlling the fresh air duct to be opened, and controlling the exhaust air duct to be closed. Under the condition that the air conditioning device further comprises a first air valve 41, a second air valve 42, a first fan 51, a second fan 52 and an outdoor unit, the outdoor unit is controlled to start and execute a heating mode, the first air valve 41 is controlled to be closed, the second air valve 42 is controlled to be opened, the first fan 51 is controlled to be closed, and the second fan 52 is controlled to start.

As shown in fig. 6, the method for controlling an air conditioning device, such as a fresh air environment control all-in-one machine, further includes:

and 4, when the carbon dioxide concentration and the PM2.5 are detected to be less than the set values, starting temperature judgment, namely judging whether the indoor temperature is greater than the set temperature: if yes, step 41 and step 42 are executed. Otherwise, step 43 is executed.

And 41, if the indoor temperature is higher than the set temperature, starting the external unit, executing a refrigeration mode, starting the second fan 52, and opening the second air valve 42.

Step 42, if the indoor temperature is higher than the set temperature, determining whether the indoor temperature is lower than the difference between the set temperature and the set value: if yes, the external unit is started, the heating mode is executed, the second fan 52 is started, and the second air valve 42 is opened. Otherwise, returning to the step 2.

Wherein the set value is 2 degrees. That is, if the indoor temperature is less than the set temperature-2 degrees, the outer unit is activated to perform the heating mode, and simultaneously the second fan 52 is activated, the second air valve 42 is opened, and the first air valve 41 is closed.

And 43, if the indoor temperature is less than or equal to the set temperature, returning to the step 2.

And 5, when the carbon dioxide concentration and the PM2.5 are detected to be less than the set values, starting humidity judgment, namely judging whether the indoor humidity is more than the set humidity: if yes, go to step 41. Otherwise, returning to the step 2. That is, if the indoor temperature is greater than the set temperature or the indoor humidity is greater than the set humidity, the outer unit is activated to perform the cooling mode, while the second fan 52 is activated, the second air valve 42 is opened, and the first air valve 41 is closed.

According to the scheme of the invention, the air duct is used as an independent part, the position for installing the heat exchange core body is reserved on the air duct, and the air duct can be divided into two independent spaces after the heat exchange core body is installed on the air duct, wherein one space is used for introducing fresh air into a room, and the other space is used for exhausting indoor dirty air to the outside. The air exhaust duct is produced into an integrated structure, the installation position for installing the heat exchange core body 6 is reserved on the air exhaust duct, and after the heat exchange core body 6 is installed, the air exhaust duct and the inside of the shell form two mutually independent spaces. The fresh air duct is produced into an integrated structure, the position for installing the heat exchange core body is reserved on the fresh air duct, and after the heat exchange core body is installed, two mutually independent spaces are formed between the fresh air duct and the inside of the shell. Can be used to adjust indoor temperature, humidity, PM2.5, carbon dioxide concentration, has new trend, return air, circulated air, makes indoor dirty air and outdoor new trend carry out the total heat exchange in heat exchange core 6 inside, through heat exchange core 6 recovered energy, retrieves partial heat, can reach energy-conserving effect.

Since the processes and functions implemented by the method of the present embodiment substantially correspond to the embodiments, principles and examples of the air conditioning device, reference may be made to the related descriptions in the embodiments without being repeated herein.

Adopt the technical scheme of this embodiment, through setting up the integral type wind channel, set up the heat transfer core in this integral type wind channel, make new trend wind channel and air exhaust wind channel respectively through two spaces that heat transfer core formed mutual independence in wind channel place casing, make indoor dirty air and outdoor new trend carry out the total heat exchange in heat transfer core 6 is inside, through 6 recovered energy of heat transfer core, retrieve partial heat, can reach energy-conserving effect.

In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.

The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An air conditioning device characterized by comprising: the device comprises a shell, an air duct and a heat exchange core body (6); the wind channel includes: a first space and a second space; wherein, the first and the second end of the pipe are connected with each other,

the air duct is arranged inside the shell; the heat exchange core body (6) is arranged inside the air duct and can form the air duct into an air duct outdoor part and an air duct indoor part; the heat exchange core body (6) also divides the space where the air flue is located into two independent sub-air flues, wherein one sub-air flue is used as an exhaust air flue through exhaust air, and the other sub-air flue is used as a fresh air flue through fresh air;

in the air duct, the first space and the second space are arranged in parallel; the duct outdoor section comprising: a first space outdoor portion and a second space outdoor portion; the air duct indoor portion includes: a first interior-chamber portion and a second interior-chamber portion;

the second space outdoor part is provided with an outdoor fresh air inlet; when the outdoor fresh air inlet is opened, outdoor fresh air introduced from the outdoor fresh air inlet enters the first space indoor part after passing through the first heat exchange channel of the heat exchange core (6); the first space indoor part is provided with an indoor fresh air supply outlet; sending outdoor fresh air into the room through the indoor fresh air supply outlet; the outer part of the second space chamber and the inner part of the first space chamber form a fresh air duct;

the indoor part of the second space is provided with an indoor dirty air inlet; when the indoor dirty air inlet is opened, indoor dirty air led out from the indoor dirty air inlet enters the outdoor part of the first space after passing through the second heat exchange channel of the heat exchange core body (6); the first space outdoor part is provided with an indoor dirty air exhaust outlet; discharging indoor dirty air to the outside through the indoor dirty air outlet; the second space chamber inner part and the first space chamber outer part form an exhaust air duct.

2. The air conditioning device according to claim 1, wherein the fresh air duct and the exhaust air duct are integrally provided in the casing to form an integrated duct.

3. The air conditioning device according to claim 1 or 2, characterized by further comprising: at least one of a first fan (51) and a second fan (52); wherein the content of the first and second substances,

in case that the air conditioning device further includes a first fan (51), the first fan (51) disposed at the first space outdoor part; in the case that the air conditioning device further includes a second fan (52), the second fan (52) is disposed in the first space indoor part.

4. The air conditioning device according to any one of claims 1 to 3, characterized by further comprising: at least one of a first air valve (41) and a second air valve (42); wherein the content of the first and second substances,

in the case that the air conditioning device further comprises a first air valve (41), the first air valve (41) is disposed at the inner part of the second space chamber and is used for controlling the opening and closing of the indoor dirty air inlet;

and under the condition that the air conditioning device further comprises a second air valve (42), the second air valve (42) is arranged at the outer part of the second space chamber and is used for controlling the opening and closing of the outdoor fresh air inlet.

5. The air conditioning device according to any one of claims 1 to 4, characterized by further comprising: at least one of a first filter (21) and a second filter (22); wherein, the first and the second end of the pipe are connected with each other,

under the condition that the air conditioning device further comprises a first filter screen (21), the first filter screen (21) is arranged in the first space indoor part and is used for filtering outdoor fresh air sent into the room through the indoor fresh air supply outlet;

and under the condition that the air conditioning device further comprises a second filter screen (22), the second filter screen (22) is arranged at the outdoor part of the second space and used for filtering outdoor fresh air introduced from the outdoor fresh air inlet.

6. The air conditioning device according to any one of claims 1 to 5, characterized by further comprising: an outer machine and an inner machine; the outer machine includes: a compressor (71), a four-way valve (72), a throttling device (73) and an outdoor heat exchanger (81); the internal unit includes: an indoor heat exchanger (82); the indoor heat exchanger (82) disposed in the first space indoor portion;

an exhaust port of the compressor (71) is communicated to a first valve port of the four-way valve (72); the second valve port of the four-way valve (72) passes through the outdoor heat exchanger (81), the throttling device (73) and the indoor heat exchanger (82) and then is communicated to the third valve port of the four-way valve (72); and a fourth valve port of the four-way valve (72) is communicated to a suction port of the compressor (71).

7. Air conditioning arrangement according to claim 6, characterized in that in case the air conditioning arrangement further comprises a second fan (52), in the first space indoor section the indoor heat exchanger (82) is located between the heat exchanging core (6) and the second fan (52).

8. A control method of an air conditioning device according to any one of claims 1 to 7, characterized by comprising:

acquiring ambient air parameters of the environment where the air conditioning device is located;

and controlling the opening and closing of corresponding air channels in the fresh air channel and the exhaust air channel according to the ambient air parameters so as to perform total heat exchange between indoor dirty air and outdoor fresh air in the heat exchange core (6) and recover partial energy through the heat exchange core (6).

9. The control method of an air conditioning apparatus according to claim 8, wherein the ambient air parameter includes: indoor temperature, indoor humidity, indoor PM2.5 and indoor carbon dioxide concentration;

according to the ambient air parameter, control the opening and closing of fresh air duct and corresponding wind channel in the wind channel of airing exhaust, include:

judging whether the indoor PM2.5 is larger than a set PM2.5 value or whether the indoor carbon dioxide concentration is larger than a set concentration value;

if the indoor PM2.5 is larger than a set PM2.5 value and/or the indoor carbon dioxide concentration is larger than a set concentration value, controlling the fresh air duct to be closed and controlling the exhaust air duct to be opened; under the condition that the air conditioning device further comprises a first air valve (41), a second air valve (42), a first fan (51), a second fan (52) and an external unit, controlling the external unit to be turned off, controlling the first air valve (41) to be opened, controlling the second air valve (42) to be closed, and controlling the first fan (51) and the second fan (52) to be started;

and if the indoor PM2.5 is less than or equal to a set PM2.5 value and/or the indoor carbon dioxide concentration is less than or equal to a set concentration value, controlling the opening and closing of the corresponding air channels in the fresh air channel and the exhaust air channel according to at least one of the indoor temperature and the indoor humidity.

10. The method of controlling an air conditioning apparatus according to claim 9, wherein controlling opening and closing of the respective one of the fresh air duct and the exhaust air duct according to at least one of the indoor temperature and the indoor humidity includes:

judging whether the indoor temperature is higher than a set temperature and/or judging whether the indoor humidity is higher than a set humidity;

if the indoor temperature is higher than the set temperature and/or the indoor humidity is higher than the set humidity, the fresh air duct is controlled to be opened, and the exhaust air duct is controlled to be closed; under the condition that the air conditioning device further comprises a first air valve (41), a second air valve (42), a first fan (51), a second fan (52) and an external unit, controlling the external unit to start and execute a cooling mode, controlling the first air valve (41) to close, controlling the second air valve (42) to open, controlling the first fan (51) to close, and controlling the second fan (52) to start;

if the indoor temperature is higher than the set temperature and lower than the difference between the set temperature and the set value, the fresh air duct is controlled to be opened, and the exhaust air duct is controlled to be closed; under the condition that the air conditioning device further comprises a first air valve (41), a second air valve (42), a first fan (51), a second fan (52) and an outdoor unit, the outdoor unit is controlled to be started and a heating mode is executed, the first air valve (41) is controlled to be closed, the second air valve (42) is controlled to be opened, the first fan (51) is controlled to be closed, and the second fan (52) is controlled to be started.