Fresh air conditioner and control method and control device thereof

Abstract

The application provides a fresh air conditioner and a control method and device thereof. The fresh air conditioner comprises: an indoor unit, comprising an indoor unit body and a fresh air module, the fresh air module is installed on the indoor unit body, and the fresh air module comprises a fresh air channel and a fresh air heat exchanger, the fresh air channel is communicated with the indoor and outdoor and flows through the fresh air heat exchanger; and an outdoor unit, communicated with the fresh air heat exchanger and an indoor heat exchanger in the indoor unit body through refrigerant pipelines respectively, the fresh air heat exchanger is connected in parallel with the indoor heat exchanger, a fresh air valve is arranged at a refrigerant inlet of the fresh air heat exchanger, and an air conditioner valve is arranged at a refrigerant inlet of the indoor heat exchanger. The fresh air module is integrated with the heat exchanger, connected in parallel with the heat exchanger of the air conditioner body, and shares the same outdoor unit, so that the refrigerant can flow through the fresh air heat exchanger and the indoor heat exchanger at the same time, the fresh air temperature is effectively adjusted to be closer to the indoor temperature, and the discomfort caused by the large temperature difference is avoided, and the comfort and stability of the indoor environment are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrical appliances, in particular to a fresh air conditioner and a control method and control device thereof. BACKGROUND

[0002] In related technologies, with people's increasing concern about indoor air quality, fresh air systems have become an indispensable part of modern buildings. However, the traditional fresh air system introduces outdoor air with a large temperature difference from indoor air, especially in extreme weather conditions, which can cause indoor temperature fluctuations and cause discomfort to occupants.

[0003] In existing technical solutions, some air conditioning systems attempt to preheat fresh air by adding an electric heating element at the fresh air inlet or using the heat source of the air conditioning system itself. However, these methods often have problems such as low efficiency, high energy consumption, or complex operation. In addition, due to insufficient heat exchange between fresh air and indoor air, energy waste and unstable indoor temperature control can occur. SUMMARY

[0004] The present application provides a fresh air conditioner and a control method and control device thereof to solve the defects in the prior art and achieve the following technical effects: a heat exchanger is integrated into the fresh air module, which is connected in parallel with the heat exchanger of the air conditioner body, sharing the same outdoor unit, so that the refrigerant can flow through the fresh air heat exchanger and the indoor heat exchanger at the same time, effectively adjusting the fresh air temperature to be closer to the indoor temperature, thereby avoiding discomfort caused by a large temperature difference and improving the comfort and stability of the indoor environment.

[0005] According to the fresh air conditioner of the first aspect of the present application, it comprises:

[0006] An indoor unit comprising an indoor unit body and a fresh air module, the fresh air module being installed on the indoor unit body, and the fresh air module comprising a fresh air channel and a fresh air heat exchanger, the fresh air channel being connected to the indoor and outdoor and flowing through the fresh air heat exchanger;

[0007] An outdoor unit connected to the fresh air heat exchanger and the indoor heat exchanger in the indoor unit body through refrigerant pipes, the fresh air heat exchanger and the indoor heat exchanger being connected in parallel, and a fresh air valve being provided at the refrigerant inlet of the fresh air heat exchanger, and an air conditioner valve being provided at the refrigerant inlet of the indoor heat exchanger.

[0008] According to an embodiment of the present application, the fresh air module comprises a fresh air inlet, a mounting shell and a fresh air outlet connected in sequence, wherein the fresh air inlet, the internal space of the mounting shell and the fresh air outlet together form the fresh air channel, the fresh air heat exchanger is installed in the internal space of the mounting shell, the fresh air inlet forms a fresh air inlet opening connected to the outdoor, and the fresh air outlet forms a fresh air outlet opening connected to the indoor.

[0009] According to one embodiment of the present application, the fresh air module further comprises a vortex fan, which is installed in the internal space of the mounting shell and arranged opposite to the fresh air heat exchanger;

[0010] Preferably, the fresh air module further comprises a filter screen installed in the mounting shell, which is arranged opposite to the fresh air heat exchanger and located on the side of the fresh air heat exchanger away from the vortex fan.

[0011] According to one embodiment of the present application, the fresh air inlet is a fresh air inlet hose, the fresh air outlet is a fresh air outlet base, the fresh air outlet base is installed at the bottom of the indoor unit body, the mounting shell is installed at the side of the indoor unit body, and one end of the fresh air outlet base is formed with a fresh air interface in communication with the internal space of the mounting shell, and the front side of the fresh air outlet base is open to form the fresh air outlet.

[0012] Preferably, the fresh air outlet has the same air outlet direction as the air outlet of the indoor unit body, and the fresh air outlet extends along the length direction of the indoor unit body.

[0013] According to one embodiment of the present application, the control method comprises:

[0014] obtaining the current fresh air working state of the fresh air module and the current outdoor unit working state of the outdoor unit;

[0015] controlling the fresh air air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state;

[0016] In different working modes, the air outlet temperature corresponding to the working mode is obtained, and the opening degree of the air conditioner valve and / or fresh air valve is adjusted according to the air outlet temperature, wherein the air outlet temperature includes the fresh air outlet temperature of the fresh air module and / or the indoor unit outlet temperature of the indoor unit body.

[0017] According to one embodiment of the present application, when the fresh air module is turned on and the outdoor unit is turned off, the fresh air air conditioner enters a separate fresh air mode.

[0018] Then, the step of obtaining the air outlet temperature corresponding to the working mode in different working modes and adjusting the opening degree of the air conditioner valve and / or fresh air valve according to the air outlet temperature specifically comprises:

[0019] In the separate fresh air mode, the fresh air outlet temperature and the ambient temperature of the fresh air air conditioner are obtained.

[0020] According to the fresh air outlet temperature and the environment temperature, the opening degree of the air conditioning valve and / or fresh air valve is controlled.

[0021] According to one embodiment of the present application, the step of controlling the opening degree of the air conditioning valve and / or fresh air valve according to the fresh air outlet temperature and the environment temperature specifically comprises:

[0022] The absolute value of the difference between the fresh air outlet temperature and the environment temperature is calculated and marked as fresh air temperature difference;

[0023] When the fresh air temperature difference is greater than a preset temperature difference, the outdoor unit is controlled to be turned on and the air conditioning valve is controlled to be closed, and the opening degree of the fresh air valve is controlled according to the interval range in which the fresh air temperature difference is located;

[0024] Preferably, the step of controlling the opening degree of the fresh air valve according to the interval range in which the fresh air temperature difference is located specifically comprises:

[0025] When the fresh air temperature difference is located in a first temperature difference interval, the opening degree of the fresh air valve is controlled to be a first fresh air opening degree;

[0026] When the fresh air temperature difference is located in a second temperature difference interval, the opening degree of the fresh air valve is controlled to be a second fresh air opening degree;

[0027] When the fresh air temperature difference is located in a third temperature difference interval, the opening degree of the fresh air valve is controlled to be a third fresh air opening degree;

[0028] When the fresh air temperature difference is located in a fourth temperature difference interval, the opening degree of the fresh air valve is controlled to be a fourth fresh air opening degree;

[0029] Wherein, the arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval and the first temperature difference interval; and the arrangement order of each opening degree from large to small is: the fourth fresh air opening degree, the third fresh air opening degree, the second fresh air opening degree and the first fresh air opening degree.

[0030] According to one embodiment of the present application, when the fresh air module is turned on and the outdoor unit is turned on, the fresh air air conditioner enters a fresh air heat exchange mode;

[0031] Then, the step of obtaining the outlet temperature corresponding to the working mode and controlling the opening degree of the air conditioning valve and / or fresh air valve according to the outlet temperature in different working modes specifically comprises:

[0032] In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit outlet temperature are obtained;

[0033] According to the fresh air outlet temperature and the indoor unit outlet temperature, the opening degree of the air conditioning valve and / or the fresh air valve is controlled.

[0034] According to one embodiment of the present application, the step of controlling the opening degree of the air conditioning valve and / or the fresh air valve according to the fresh air outlet temperature and the indoor unit outlet temperature specifically comprises:

[0035] The absolute value of the difference between the fresh air outlet temperature and the indoor unit outlet temperature is calculated and marked as the indoor unit temperature difference;

[0036] When the indoor unit temperature difference is greater than a preset temperature difference, the fresh air valve and the air conditioning valve are both controlled to be opened, and the opening degree of the fresh air valve and the air conditioning valve is controlled according to the interval range of the indoor unit temperature difference;

[0037] When the indoor unit temperature difference is less than or equal to the preset temperature difference, the fresh air valve is controlled to be closed and the air conditioning valve is controlled to be opened;

[0038] Preferably, the step of controlling the opening degree of the fresh air valve and the air conditioning valve according to the interval range of the indoor unit temperature difference specifically comprises:

[0039] When the indoor unit temperature difference is in a first temperature difference interval, the opening degree of the fresh air valve is controlled to be a first fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a first air conditioning opening degree;

[0040] When the indoor unit temperature difference is in a second temperature difference interval, the opening degree of the fresh air valve is controlled to be a second fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a second air conditioning opening degree;

[0041] When the indoor unit temperature difference is in a third temperature difference interval, the opening degree of the fresh air valve is controlled to be a third fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a third air conditioning opening degree;

[0042] When the indoor unit temperature difference is in a fourth temperature difference interval, the opening degree of the fresh air valve is controlled to be a fourth fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a fourth air conditioning opening degree;

[0043] Wherein, the arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval and the first temperature difference interval; the arrangement order of each opening degree of the fresh air valve from large to small is: the fourth fresh air opening degree, the third fresh air opening degree, the second fresh air opening degree and the first fresh air opening degree; the arrangement order of each opening degree of the air conditioning valve from large to small is: the first air conditioning opening degree, the second air conditioning opening degree, the third air conditioning opening degree and the fourth air conditioning opening degree.

[0044] According to the third aspect of the present application, the control device of the fresh air conditioner based on the first aspect of the present application comprises:

[0045] The acquisition module is configured to acquire a current fresh air working state of the fresh air module and a current outdoor unit working state of the outdoor unit.

[0046] The first control module is configured to control the fresh air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state.

[0047] The second control module is configured to acquire an air outlet temperature corresponding to the working mode in different working modes, and control the opening degree of the air conditioner valve and / or the fresh air valve according to the air outlet temperature, wherein the air outlet temperature comprises a fresh air outlet temperature of the fresh air module and / or an indoor unit outlet temperature of the indoor unit body.

[0048] The present application provides a fresh air conditioner with a preheating function, which is characterized in that a heat exchanger is integrated in the fresh air module and is connected in parallel with the heat exchanger of the air conditioner body, sharing the same outdoor unit. In this way, in both cooling and heating modes, the refrigerant can flow through the fresh air heat exchanger and the indoor heat exchanger at the same time, effectively adjusting the fresh air temperature to be closer to the indoor temperature, thereby avoiding discomfort caused by a large temperature difference and improving the comfort and stability of the indoor environment.

[0049] Further, the present application has at least the following advantages compared with related art.

[0050] (1) Temperature stability: By integrating a heat exchanger in the fresh air module and connecting it in parallel with the heat exchanger of the air conditioner body, and sharing the same outdoor unit, the present application can effectively preheat or precool the air when introducing fresh air, reducing the temperature difference between fresh air and indoor air.

[0051] This avoids the indoor temperature from being too hot or too cold due to the temperature difference of fresh air, providing a more stable indoor temperature environment and enhancing the comfort of living or office space.

[0052] (2) Energy efficiency: By controlling the fresh air heat exchanger and the indoor heat exchanger in parallel, the present application can flexibly adjust the flow direction of the refrigerant according to the indoor demand, reasonably allocate energy, and avoid unnecessary energy waste. The design of sharing the outdoor unit also reduces the redundancy of equipment and improves the overall energy efficiency ratio of the system.

[0053] (3) Air quality management: The introduced fresh air is first preprocessed, such as filtering, temperature adjustment, etc., which helps to improve indoor air quality, reduce the accumulation of pollutants and harmful substances, and create a healthier living or working environment.

[0054] (4) User comfort: The preheating function ensures that the fresh air is close to the indoor temperature before being introduced into the room, avoiding cold air impact and reducing the risk of health problems such as "air conditioning disease". Stable airflow temperature also helps to reduce discomfort caused by sudden temperature changes, improving user experience.

[0055] (5) Easy operation and maintenance: Through integrated design, seamless integration of fresh air module and air conditioner body simplifies installation and maintenance process, reduces operating costs. The control system can intelligently adjust the fresh air valve and air conditioning valve to realize automatic management and reduce the need for manual intervention.

[0056] (6) Flexibility and adaptability: According to different seasons and indoor needs, the invention can flexibly switch the state of fresh air valve and air conditioning valve, providing customized air treatment solutions, enhancing the adaptability and functionality of the system. BRIEF DESCRIPTION OF DRAWINGS

[0057] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0058] Figure 1 is a structural schematic diagram of the fresh air conditioner provided by the present application.

[0059] Figure 2 is a structural schematic diagram of the refrigerant system of the fresh air conditioner provided by the present application.

[0060] Figure 3 is one of the structural schematic diagrams of the fresh air module provided by the present application.

[0061] Figure 4 is the second structural schematic diagram of the fresh air module provided by the present application.

[0062] Figure 5 is the exploded structural schematic diagram of the fresh air module provided by the present application.

[0063] Figure 6 is one of the step schematic diagrams of the control method of the fresh air conditioner provided by the present application.

[0064] Figure 7 is the second step schematic diagram of the control method of the fresh air conditioner provided by the present application.

[0065] Figure 8 is a structural schematic diagram of the control device of the fresh air conditioner provided by the present application.

[0066] Figure 9Fig. 1 is a structural schematic diagram of an electronic device provided by the present application.

[0067] Reference signs:

[0068] 1, inner machine body; 11, indoor heat exchanger; 12, air conditioning valve; 2, fresh air module; 21, fresh air inlet hose; 22, mounting shell; 221, fresh air heat exchanger; 222, vortex fan; 223, filter screen; 23, fresh air outlet base; 231, fresh air interface; 232, fresh air outlet; 24, fresh air valve; 3, outdoor unit; 31, refrigerant pipeline; 110, acquisition module; 120, first control module; 130, second control module. DETAILED DESCRIPTION

[0069] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described below in conjunction with the drawings in the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0070] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0071] A fresh air air conditioner, a control method and a control device thereof are described below with reference to the drawings.

[0072] As shown in Figures 1 to 5 Fig. 1, the fresh air air conditioner according to the first embodiment of the present application comprises an indoor unit and an outdoor unit 3.

[0073] The indoor unit comprises an inner machine body 1 and a fresh air module 2, the fresh air module 2 is mounted on the inner machine body 1, and the fresh air module 2 comprises a fresh air passage and a fresh air heat exchanger 221, the fresh air passage communicates the indoor and outdoor and flows through the fresh air heat exchanger 221.

[0074] The outdoor unit 3 is connected to the fresh air heat exchanger 221 and the indoor heat exchanger 11 in the indoor unit body 1 through the refrigerant pipeline 31. The fresh air heat exchanger 221 and the indoor heat exchanger 11 are connected in parallel. The fresh air valve 24 is arranged at the refrigerant inlet of the fresh air heat exchanger 221, and the air conditioner valve 12 is arranged at the refrigerant inlet of the indoor heat exchanger 11.

[0075] It can be understood that the indoor unit can realize the air cooling and heating function in the room and the fresh air function through the indoor unit body 1 and the fresh air module 2. The fresh air module 2 is installed on the indoor unit body 1 and contains a fresh air channel and a fresh air heat exchanger 221. The fresh air channel connects the outdoor and indoor, and the air enters from the outdoor through the fresh air channel, and then is sent into the indoor after passing through the fresh air heat exchanger 221. The outdoor unit 3 is connected to the fresh air heat exchanger 221 and the indoor heat exchanger 11 in the indoor unit through the refrigerant pipeline 31. This means that the refrigerant can circulate between the outdoor unit 3, the fresh air heat exchanger 221 and the indoor heat exchanger 11 to provide cooling or heating capacity for them.

[0076] The working principle of the fresh air air conditioner according to the embodiment of the present application is as follows: the fresh air heat exchanger 221 and the indoor heat exchanger 11 are connected to the outdoor unit 3 through the refrigerant pipeline 31 to form a parallel circulating loop. This means that when the refrigerant flows from the outdoor unit 3 to the indoor, it will pass through the fresh air heat exchanger 221 and the indoor heat exchanger 11 at the same time, and process the fresh air and the indoor air respectively, so as to realize the cooling and heating of the fresh air and the indoor air respectively. Moreover, since the fresh air valve 24 is arranged at the refrigerant inlet of the fresh air heat exchanger 221, and the air conditioner valve 12 is arranged at the refrigerant inlet of the indoor heat exchanger 11, the two valves can control the refrigerant flow, so as to adjust the processing effect of the fresh air and the indoor air.

[0077] Further, the specific working process of the fresh air air conditioner according to the embodiment of the present application is as follows: when the air conditioner is in the heating / cooling mode, the compressor in the outdoor unit 3 will compress the refrigerant into a high-temperature and high-pressure state. At this time, the opening and closing of the fresh air valve 24 and the air conditioner valve 12 can be controlled according to the user's demand and / or the actual temperature condition. When the opening and closing of the fresh air valve 24 and the air conditioner valve 12 are different, the flow path of the refrigerant is also different, and correspondingly, the functions realized by the fresh air air conditioner are also different.

[0078] Next, the heating mode is taken as an example for description. It should be noted that the working process in the cooling mode is similar to that in the heating mode, and thus will not be described herein.

[0079] For example, in the case that the fresh air module 2 normally delivers fresh air and the outdoor unit 3 normally works, when the fresh air valve 24 and the air conditioning valve 12 are opened at the same time, the system allows the refrigerant to flow through the two heat exchangers at the same time, and then the refrigerant flows into the fresh air heat exchanger 221 and the indoor heat exchanger 11 through the refrigerant pipeline 31 respectively and is condensed to release heat. At this time, the fresh air and the indoor air are heated by the fresh air heat exchanger 221 and the indoor heat exchanger 11 respectively, and then are sent into the room, so as to increase the indoor temperature while supplying fresh air, and the fresh air can be preheated before being introduced into the room, avoiding the influence of outdoor cold air on the indoor temperature. In the above case, the fresh air conditioner can realize the functions of heating indoor air, introducing fresh air, and heating fresh air at the same time.

[0080] For another example, in the case that the fresh air module 2 normally delivers fresh air and the outdoor unit 3 normally works, when the fresh air valve 24 is opened and the air conditioning valve 12 is closed, the refrigerant only flows through the fresh air heat exchanger 221 and is condensed to release heat. At this time, the fresh air is heated by the fresh air heat exchanger 221, and then is sent into the room, so as to preheat the fresh air before being introduced into the room, avoiding the influence of outdoor cold air on the indoor temperature and ensuring the user's experience. In the above case, the fresh air conditioner can realize the functions of introducing fresh air and heating fresh air at the same time.

[0081] For another example, in the case that the fresh air module 2 normally delivers fresh air and the outdoor unit 3 normally works, when the fresh air valve 24 is closed and the air conditioning valve 12 is opened, the refrigerant only flows through the indoor heat exchanger 11 and is condensed to release heat. At this time, the indoor air is heated by the indoor heat exchanger 11, and then is sent into the room to increase the indoor temperature. In the above case, the fresh air conditioner can realize the functions of heating indoor air and introducing fresh air at the same time.

[0082] For another example, in the case that the fresh air module 2 normally delivers fresh air and the outdoor unit 3 stops working, at this time, since the compressor stops working, the fresh air valve 24 and the air conditioning valve 12 do not need to be controlled. At this time, the fresh air conditioner only realizes the function of introducing fresh air through the fresh air mode.

[0083] In the related art, with the increasing concern of people on the indoor air quality, the fresh air system has become an indispensable part of modern buildings. However, the traditional fresh air system introduces outdoor air with a large temperature difference from indoor air, especially in extreme weather conditions, which may cause indoor temperature fluctuations and cause discomfort to the occupants.

[0084] In the existing technical solutions, some air conditioning systems attempt to preheat fresh air by adding an electric heating element at the fresh air inlet or using the heat source of the air conditioning system itself. However, these methods often have problems such as low efficiency, high energy consumption, or complex operation. In addition, due to insufficient heat exchange between fresh air and indoor air, energy waste and unstable indoor temperature control may occur.

[0085] Therefore, in order to solve the technical defects existing in the above-mentioned related art, the present application provides a fresh air conditioner with preheating function, which is characterized in that a heat exchanger is integrated in the fresh air module 2, connected in parallel with the heat exchanger of the air conditioner body, and shares the same outdoor unit. In this way, in both cooling and heating modes, the refrigerant can flow through the fresh air heat exchanger 221 and the indoor heat exchanger 11 at the same time, effectively adjusting the temperature of the fresh air to make it closer to the indoor temperature, thereby avoiding the discomfort caused by the large temperature difference and improving the comfort and stability of the indoor environment.

[0086] Further, the present application has at least the following advantages compared with the related art.

[0087] (1) Temperature stability: By integrating a heat exchanger in the fresh air module 2, connected in parallel with the heat exchanger of the air conditioner body, and sharing the same outdoor unit, the present application can effectively preheat or precool the air when introducing fresh air, reducing the temperature difference between fresh air and indoor air.

[0088] This avoids the indoor temperature fluctuations caused by the temperature difference of fresh air, provides a more stable indoor temperature environment, and enhances the comfort of living or office space.

[0089] (2) Energy efficiency: By controlling the fresh air heat exchanger 221 and the indoor heat exchanger 11 in parallel, the present application can flexibly adjust the flow direction of the refrigerant according to the indoor demand, reasonably allocate energy, and avoid unnecessary energy waste. The design of sharing the outdoor unit also reduces the redundancy of equipment and improves the overall energy efficiency ratio of the system.

[0090] (3) Air quality management: The introduced fresh air is first preprocessed, such as filtering, temperature adjustment, etc., which helps to improve indoor air quality, reduce the accumulation of pollutants and harmful substances, and create a healthier living or working environment.

[0091] (4) User comfort: The preheating function ensures that the fresh air is close to the indoor temperature before being introduced into the room, avoiding the impact of cold air and reducing the risk of "air conditioning disease" and other health problems. Stable airflow temperature also helps to reduce the discomfort caused by sudden temperature changes, improving user experience.

[0092] (5) Easy operation and maintenance: Through integrated design, the seamless integration of the fresh air module 2 and the air conditioner body simplifies the installation and maintenance process, reducing operating costs. The control system can intelligently adjust the fresh air valve 24 and the air conditioner valve 12 to realize automatic management, reducing the need for manual intervention.

[0093] (6) Flexibility and adaptability: According to different seasons and indoor demands, the present application can flexibly switch the state of the fresh air valve 24 and the air conditioner valve 12, providing customized air treatment solutions, enhancing the adaptability and functionality of the system.

[0094] In summary, through its unique design and function, the present application not only solves the temperature difference problem when introducing fresh air, but also improves energy efficiency and indoor air quality, providing users with a more comfortable, healthy and economical living or office environment.

[0095] As shown in Figure 1 According to some embodiments of the present application, the fresh air module 2 includes a fresh air inlet, a mounting shell 22 and a fresh air outlet in sequence, wherein the fresh air inlet, the internal space of the mounting shell 22 and the fresh air outlet together form a fresh air channel, the fresh air heat exchanger 221 is installed in the internal space of the mounting shell 22, the fresh air inlet forms a fresh air inlet opening connected to the outdoor, and the fresh air outlet forms a fresh air outlet opening 232 connected to the indoor.

[0096] In this embodiment, the fresh air module 2 is designed to include three main components: fresh air inlet, mounting shell 22 and fresh air outlet, which together form a fresh air channel. The structure of the fresh air module 2 is designed to effectively guide the external air into the indoor, while preheating or precooling the air through the fresh air heat exchanger 221 to adapt to the indoor temperature conditions and improve the living comfort.

[0097] The fresh air inlet is the first part of the fresh air module 2, and its main function is to form an opening for external air to enter the system. This opening is usually located on the outer wall of the building or other suitable locations to facilitate the introduction of air. For example, the fresh air inlet can be a pipe structure, a shell structure or an opening structure, etc., which is not specially limited in the present application.

[0098] The mounting shell 22 is the main part of the fresh air module 2, which contains the fresh air heat exchanger 221 and other related components. The shell serves to support and protect the internal components, and also defines the path of air flow. Preferably, the mounting shell 22 can be an integrally formed shell structure, for example, made of plastic or metal material through mold integration, with good sealing performance and structural strength. Alternatively, the mounting shell 22 can also be a split assembly shell structure, for example, assembled by multiple parts, which is convenient for maintenance and replacement of internal components.

[0099] The fresh air heat exchanger 221 is the core component of the fresh air module 2, which uses refrigerant or water as medium to adjust the temperature of outdoor air to close to the indoor temperature, reducing the indoor air conditioning load. For example, the fresh air heat exchanger 221 can be a coil heat exchanger, a plate heat exchanger or a cross-flow heat exchanger, etc., which is not specially limited in the present application.

[0100] The fresh air outlet is the last part of the fresh air module 2, responsible for sending the processed air into the room. It is usually connected with the ventilation system inside the building to distribute fresh air to each room. For example, the fresh air outlet can be a duct structure, a shell structure, or an opening structure, etc., which is not particularly limited in the present application.

[0101] As shown in Figure 5 some embodiments of the present application, the fresh air module 2 further comprises a vortex fan 222 installed in the internal space of the mounting shell 22 and arranged opposite to the fresh air heat exchanger 221.

[0102] In this way, the vortex fan 222 is designed to be installed in the internal space of the mounting shell 22 and arranged opposite to the fresh air heat exchanger 221. Its main function is to promote the flow of air in the fresh air channel, improve the efficiency of air passing through the fresh air heat exchanger 221, and ensure that the air is in full contact with the heat exchanger surface to achieve better heat exchange effect. The vortex fan 222 can increase the degree of air turbulence by generating rotating airflow, which helps to quickly transfer heat and also helps to overcome the resistance in the fresh air channel, making the air flow more smooth.

[0103] As shown in Figure 5 preferably, the fresh air module 2 further comprises a filter screen 223 installed in the mounting shell 22, which is arranged opposite to the fresh air heat exchanger 221 and located on the side of the fresh air heat exchanger 221 away from the vortex fan 222.

[0104] It can be understood that the main function of the filter screen 223 is to filter out dust, pollen, bacteria and other particles carried by the air entering the fresh air channel, ensuring that the fresh air entering the room is clean. The filter screen 223 usually adopts a multi-layer structure, which can capture particles of different sizes to improve the filtering efficiency. By placing the filter screen 223 in front of the fresh air heat exchanger 221, it can prevent impurities from depositing on the heat exchanger, avoid affecting the heat exchange efficiency, and reduce the frequency of subsequent maintenance and cleaning.

[0105] As shown in Figures 3 to 5 some specific embodiments of the present application, the fresh air inlet is a fresh air inlet hose 21, and the fresh air outlet is a fresh air outlet base 23 installed at the bottom of the indoor unit body 1. The mounting shell 22 is installed on the side of the indoor unit body 1, and one end of the fresh air outlet base 23 is formed with a fresh air interface 231 communicating with the internal space of the mounting shell 22. The front side of the fresh air outlet base 23 is open to form a fresh air outlet 232.

[0106] In this embodiment, the fresh air inlet hose 21 is a flexible tubular component designed to introduce fresh outdoor air into the air conditioning system. Due to its flexible nature, the fresh air inlet hose 21 can easily adapt to different installation environments and spatial constraints, making it easy to connect and adjust. It is usually installed at a suitable location on the exterior wall or roof of the building to ensure smooth introduction of outdoor air.

[0107] The fresh air outlet base 23 is designed to be installed at the bottom of the air conditioner indoor unit body 1, and its function is to guide the treated fresh air indoors. One end of the fresh air outlet base 23 is connected to the interior space of the installation housing 22 through the fresh air interface 231, so that the fresh air from the fresh air heat exchanger 221 can directly enter the fresh air outlet base 23 through this interface. The front side of the fresh air outlet base 23 is open, forming a fresh air outlet 232, through which fresh air is uniformly released into the indoor environment.

[0108] The installation housing 22 is the main part of the fresh air module 2, which is installed on the side of the air conditioner indoor unit body 1. The housing contains key components such as the fresh air heat exchanger 221, the vortex fan 222, and the filter screen 223, which work together to achieve preheating, precooling, and purification of fresh air. Fresh air enters the installation housing 22 through the fresh air inlet hose 21, is treated, and then enters the fresh air outlet base 23 through the fresh air interface 231, and is finally released from the fresh air outlet 232 to the indoor environment.

[0109] As shown in Figures 3 to 5 Preferably, the fresh air outlet 232 is in the same direction as the air outlet of the indoor unit body 1, and the fresh air outlet 232 extends along the length of the indoor unit body 1.

[0110] In this way, on the one hand, the lengthwise extension of the fresh air outlet 232 ensures uniform distribution of fresh air across the entire room width, avoiding excessive concentration of air in certain areas, thereby improving the overall quality of indoor air. On the other hand, by aligning with the air outlet direction of the air conditioner, fresh air can naturally mix with the air processed by the air conditioner, reducing temperature gradients and making indoor temperatures more balanced, improving the comfort of living or working. In addition, the co-flow of fresh air and air conditioner air is conducive to the circulation of indoor air, helping to quickly update indoor air and reduce dead angles, improving air quality.

[0111] Based on the structure of the fresh air module 2 described in the above embodiments, the specific flow path of fresh air within the fresh air module 2 in the fresh air air conditioner of the present invention is as follows: When the air conditioning system is in operation, fresh outdoor air is introduced into the mounting housing 22 through the fresh air inlet hose 21. Here, the air first passes through the fresh air heat exchanger 221, where it is preheated or precooled according to the set indoor temperature to approach the indoor temperature. Subsequently, the fresh air is purified by the filter 223 to remove dust and impurities. The treated fresh air enters the fresh air outlet base 23 through the fresh air interface 231 and is evenly distributed into the room from the fresh air outlet 232, thereby ensuring the freshness and comfort of the indoor air.

[0112] The above design not only ensures the effective introduction and distribution of fresh air, but also reduces the installation space requirement and improves the overall efficiency and user experience of the system through the integrated component layout.

[0113] The control method and control device for a fresh air conditioner proposed in this invention are described below with reference to the accompanying drawings. Before providing a detailed description of the embodiments of this invention, the overall application scenario is first described. The control method, control device, electronic device, and computer-readable storage medium for a fresh air conditioner according to the embodiments of this invention can be applied locally to the fresh air conditioner, to cloud platforms in the Internet field, or to other types of cloud platforms in the Internet field, or to third-party devices. These third-party devices may include various types such as mobile phones, tablets, laptops, in-vehicle computers, and other smart terminals.

[0114] The following description uses only the control method applicable to fresh air conditioners as an example. It should be understood that the control method of this embodiment can also be applied to cloud platforms and third-party devices.

[0115] like Figure 6 As shown, the control method for a fresh air conditioning system according to a second aspect embodiment of the present invention includes:

[0116] Step S1: Obtain the current fresh air working status of fresh air module 2 and the current outdoor unit working status of outdoor unit 3;

[0117] Step S2: Control the fresh air conditioner to enter different working modes according to the working status of the fresh air unit and the outdoor unit;

[0118] Step S3: Under different working modes, obtain the air outlet temperature corresponding to the working mode, and adjust the opening degree of the air conditioning valve 12 and / or the fresh air valve 24 according to the air outlet temperature. The air outlet temperature includes the fresh air outlet temperature of the fresh air module 2 and / or the indoor unit outlet temperature of the indoor unit body 1.

[0119] The control method of the fresh air conditioner according to the embodiment of the present application has the following specific working process: first, the system collects real-time working state data of the fresh air module 2 and the outdoor unit 3. This includes but is not limited to whether the fresh air module 2 is running and whether the outdoor unit 3 is working in cooling or heating mode. These information reflects the current environmental conditions and system requirements.

[0120] Based on the data collected in step S1, the system determines the current environmental conditions and user requirements, and then selects the appropriate working mode. The selection of working mode may include: fresh air mode and fresh air heat exchange mode.

[0121] For example, in the fresh air mode, the fresh air module 2 runs the fresh air function, and the indoor heat exchanger 11 does not work. When the outdoor temperature is low, the system will select to start the outdoor unit 3 to increase the heat of the fresh air heat exchanger 221, so as to ensure that the fresh air is preheated before entering the room; on the contrary, if the outdoor temperature is high, the system will select to start the outdoor unit 3 to increase the cold of the fresh air heat exchanger 221 to pre-cool the fresh air to prevent the indoor temperature from being too high; in addition, when the temperature is suitable, the system may only start the fresh air module 2 for ventilation, without starting the heating or cooling function of the outdoor unit 3.

[0122] For another example, in the fresh air heat exchange mode, the fresh air module 2 runs the fresh air function, and the outdoor unit 3 and the indoor heat exchanger 11 are both started and work. At this time, the fresh air valve 24 and the air conditioner valve 12 are both opened, and the refrigerant flowing out of the compressor in the outdoor unit 3 will flow through the indoor heat exchanger 11 and the fresh air heat exchanger 221 at the same time to realize cooling or heating of indoor air and fresh air respectively, that is, the fresh air conditioner realizes the functions of introducing fresh air, pre-cooling or pre-heating fresh air and cooling or heating indoor air at the same time.

[0123] Once the working mode is determined, the system will further detect the corresponding fresh air outlet temperature of the fresh air module 2 and / or the indoor unit outlet temperature of the indoor unit body 1. Based on these temperature parameters, the system will intelligently adjust the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 to maintain the ideal indoor temperature.

[0124] In the heating or cooling mode, by adjusting the opening degree of the air conditioner valve 12, the amount of refrigerant flowing into the indoor heat exchanger 11 can be controlled to adjust the indoor unit outlet temperature. By controlling the opening degree of the fresh air valve 24, the refrigerant flow of the fresh air heat exchanger 221 can be adjusted to affect the fresh air outlet temperature, realizing the pre-cooling or pre-heating of fresh air.

[0125] According to some embodiments of the present application, when the fresh air module 2 is on and the outdoor unit 3 is off, the fresh air conditioner enters the separate fresh air mode; then in different working modes, the outflow temperature corresponding to the working mode is obtained, and the step of controlling and adjusting the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 according to the outflow temperature, specifically includes:

[0126] In the separate fresh air mode, the fresh air outflow temperature and the environment temperature where the fresh air conditioner is located are obtained.

[0127] According to the fresh air outflow temperature and the environment temperature, the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 is controlled and adjusted.

[0128] It can be understood that in the separate fresh air mode, the control logic of the fresh air conditioner will focus on adjusting the temperature of the fresh air to ensure indoor air quality and comfort.

[0129] Specifically, in the separate fresh air mode, the system will collect two key temperature data, one is the fresh air outflow temperature: this is the temperature of the fresh air after being processed by the fresh air module 2 before entering the indoor. The second is the environment temperature: refers to the current actual temperature in the room, that is, the environment temperature into which the fresh air will be integrated.

[0130] Based on the above temperature parameters, the system will intelligently adjust the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 to achieve the following purposes: (1) Temperature matching: the system tries to make the fresh air outflow temperature close to the environment temperature, avoiding the indoor temperature fluctuation caused by too large temperature difference, so as to improve the comfort of living or working environment. (2) Energy efficiency: by finely adjusting the valve opening degree, unnecessary energy consumption can be reduced, and the overall energy efficiency of the system can be improved.

[0131] In this way, in this way, the fresh air conditioner can adjust the fresh air temperature by intelligently controlling the opening degree of the fresh air valve 24 and the air conditioner valve 12, to ensure indoor air quality and comfort, while taking into account energy saving.

[0132] In some specific embodiments, according to the fresh air outflow temperature and the environment temperature, the step of controlling and adjusting the opening degree of the air conditioner valve 12 and / or the fresh air valve 24, specifically includes:

[0133] Calculate the absolute value of the difference between the fresh air outflow temperature and the environment temperature and mark it as the fresh air temperature difference;

[0134] In the case where the fresh air temperature difference is greater than the preset temperature difference, the outdoor unit 3 is controlled to be turned on and the air conditioner valve 12 is controlled to be closed, and the opening degree of the fresh air valve 24 is controlled and adjusted according to the interval range where the fresh air temperature difference is located.

[0135] In this embodiment, first, the system calculates the absolute value of the difference between the fresh air outlet temperature and the indoor environment temperature, and marks this difference as the fresh air temperature difference. This step is to evaluate the gap between the fresh air temperature and the required indoor temperature to determine the subsequent control action.

[0136] Next, the system checks whether the fresh air temperature difference exceeds the preset temperature difference threshold. The preset temperature difference is a set standard for determining whether the fresh air temperature needs to be adjusted by the heating or cooling function of the outdoor unit 3 to be closer to the indoor temperature.

[0137] If the fresh air temperature difference is greater than the preset temperature difference, the system controls the outdoor unit 3 to start to adjust the fresh air temperature through its heating or cooling function. At the same time, the air conditioning valve 12 is closed to ensure that the refrigerant only passes through the fresh air heat exchanger 221 and not the indoor heat exchanger 11. The opening of the fresh air valve 24 will be adjusted according to the specific interval of the fresh air temperature difference. For example, if the fresh air temperature is much lower than the indoor temperature, the fresh air valve 24 opening may be reduced to reduce the inflow of cold air; conversely, if the fresh air temperature is higher, the fresh air valve 24 opening may be increased to speed up the adjustment of the indoor temperature.

[0138] In this way, the above steps ensure that the fresh air temperature can be quickly and effectively adjusted to be close to the indoor temperature, thereby improving the comfort of the indoor environment, and at the same time, by intelligently adjusting the opening of the fresh air valve 24, the energy use is optimized to avoid excessive heat exchange, thereby achieving the effect of energy saving.

[0139] Further, the step of controlling and adjusting the opening of the fresh air valve 24 according to the interval range of the fresh air temperature difference specifically includes:

[0140] In the case where the fresh air temperature difference is in the first temperature difference interval, the opening of the fresh air valve 24 is controlled to be the first fresh air opening;

[0141] In the case where the fresh air temperature difference is in the second temperature difference interval, the opening of the fresh air valve 24 is controlled to be the second fresh air opening;

[0142] In the case where the fresh air temperature difference is in the third temperature difference interval, the opening of the fresh air valve 24 is controlled to be the third fresh air opening;

[0143] In the case where the fresh air temperature difference is in the fourth temperature difference interval, the opening of the fresh air valve 24 is controlled to be the fourth fresh air opening.

[0144] Wherein, the arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval and the first temperature difference interval; the arrangement order of each opening from large to small is: the fourth fresh air opening, the third fresh air opening, the second fresh air opening and the first fresh air opening.

[0145] It can be understood that as the fresh air temperature difference increases, the opening of the fresh air valve 24 also needs to increase, so that more refrigerant will enter the fresh air heat exchanger 221 and adjust the temperature of the fresh air, thereby helping the fresh air to quickly reach the indoor ambient temperature when entering the indoor, avoiding the influence of the introduction of fresh air on the indoor ambient temperature, and ensuring the user's experience.

[0146] For example Figure 7 As shown, in the case of fresh air mode operation and the outdoor unit 3 not starting, the system enters the separate fresh air mode, in which mode, if the fresh air temperature difference is less than or equal to 2℃, the outdoor unit 3 remains in the closed state; if the fresh air temperature difference is greater than 2℃, the outdoor unit 3 and the fresh air valve 24 are both opened, and the air conditioning valve 12 is closed, wherein when the fresh air temperature difference is greater than 2℃ and less than or equal to 4℃, the fresh air valve 24 is opened according to the opening of 25%; when the fresh air temperature difference is greater than 4℃ and less than or equal to 6℃, the fresh air valve 24 is opened according to the opening of 50%; when the fresh air temperature difference is greater than 6℃ and less than or equal to 8℃, the fresh air valve 24 is opened according to the opening of 75%; when the fresh air temperature difference is greater than 8℃, the fresh air valve 24 is opened according to the opening of 100%.

[0147] According to some embodiments of the present application, in the case that the fresh air module 2 is opened and the outdoor unit 3 is opened, the fresh air conditioner enters the fresh air heat exchange mode; then in different working modes, the outflow temperature corresponding to the working mode is obtained, and the step of controlling and adjusting the opening of the air conditioning valve 12 and / or the fresh air valve 24 according to the outflow temperature, specifically includes:

[0148] In the fresh air heat exchange mode, the fresh air outflow temperature and the indoor unit outflow temperature are obtained;

[0149] According to the fresh air outflow temperature and the indoor unit outflow temperature, the opening of the air conditioning valve 12 and / or the fresh air valve 24 is controlled and adjusted.

[0150] It can be understood that when the fresh air module 2 and the outdoor unit 3 are opened at the same time, the fresh air conditioner will enter the fresh air heat exchange mode. In this mode, the goal of the system is to work together with the fresh air heat exchanger 221 and the indoor heat exchanger 11 to optimize indoor air quality and maintain a comfortable indoor temperature. The following is an explanation of the specific control steps.

[0151] In the fresh air heat exchange mode, the control system will monitor two key temperature parameters in real time, one is the fresh air outflow temperature: the temperature of the air to be sent into the room after being processed by the fresh air module 2; the other is the indoor unit outflow temperature: the temperature of the air sent out by the indoor unit body 1 after being processed by refrigeration or heating.

[0152] According to the difference between the fresh air outflow temperature and the indoor unit outflow temperature, the system will intelligently adjust the opening of the air conditioning valve 12 and the fresh air valve 24 to ensure that the temperature of the fresh air and the indoor air is close, while maintaining the stability of the indoor temperature.

[0153] For example, when the fresh air outlet temperature is close to the indoor unit outlet temperature, the system will close the fresh air valve 24, as the fresh air and indoor air temperatures are similar and no additional temperature adjustment is needed.

[0154] If the fresh air outlet temperature is significantly lower or higher than the indoor unit outlet temperature, the system may adjust the opening of the fresh air valve 24 to adjust the temperature of the fresh air, while controlling the air conditioning valve 12 to adjust the refrigerant flow of the indoor heat exchanger 11 to stabilize the indoor temperature.

[0155] In this way, through this precise temperature monitoring and valve control strategy, the fresh air conditioner can effectively balance the introduction of fresh air and indoor temperature control in the fresh air heat exchange mode, ensuring that the indoor environment is both fresh and comfortable.

[0156] In some embodiments of the present application, the step of controlling the opening of the air conditioning valve 12 and / or the fresh air valve 24 according to the fresh air outlet temperature and the indoor unit outlet temperature specifically includes:

[0157] Calculating the absolute value of the difference between the fresh air outlet temperature and the indoor unit outlet temperature and marking it as the indoor unit temperature difference;

[0158] In the case where the indoor unit temperature difference is greater than the preset temperature difference, the fresh air valve 24 and the air conditioning valve 12 are both controlled to be open, and the opening of the fresh air valve 24 and the air conditioning valve 12 is controlled according to the interval range in which the indoor unit temperature difference falls.

[0159] In the case where the indoor unit temperature difference is less than or equal to the preset temperature difference, the fresh air valve 24 is controlled to be closed and the air conditioning valve 12 is controlled to be open.

[0160] In this embodiment, first, the system calculates the indoor unit temperature difference, thereby measuring the difference between the fresh air temperature and the indoor air temperature after being processed by the air conditioning system.

[0161] When the indoor unit temperature difference is greater than the preset temperature difference, the system will simultaneously open the fresh air valve 24 and the air conditioning valve 12, allowing the refrigerant to flow through the fresh air heat exchanger 221 and the indoor heat exchanger 11. This is because a larger temperature difference means that the fresh air temperature and the indoor air temperature have a significant difference, and the fresh air needs to be preheated or precooled by the heat exchanger to reduce the fluctuation of the indoor temperature.

[0162] After that, the system will intelligently adjust the opening of the fresh air valve 24 and the air conditioning valve 12 according to different intervals of the indoor unit temperature difference. For example, if the temperature difference is very large, the opening of the fresh air valve 24 may be adjusted to the maximum to speed up the temperature adjustment process; conversely, if the difference is slightly higher than the preset value, the opening adjustment will be more moderate.

[0163] When the indoor temperature difference is less than or equal to the preset temperature difference, the system will close the fresh air valve 24 and only open the air conditioning valve 12. This means that the fresh air temperature is close to the indoor air temperature, and there is no need for additional temperature adjustment through the fresh air heat exchanger 221, and the air conditioning system can work independently to maintain the stability of the indoor temperature.

[0164] In this way, by intelligently adjusting the opening degree of the fresh air valve 24 and the air conditioning valve 12, when the temperature difference between the fresh air and the indoor air is large, the above steps effectively utilize the heat exchanger for temperature adjustment, reducing indoor temperature fluctuations; when the temperature difference is small, the above steps avoid unnecessary fresh air treatment, saving energy, while ensuring the stability of the indoor temperature.

[0165] Further, according to the range of the indoor temperature difference, the step of controlling and adjusting the opening degree of the fresh air valve 24 and the air conditioning valve 12 specifically includes:

[0166] When the indoor temperature difference is in the first temperature difference interval, the opening degree of the fresh air valve 24 is controlled to be the first fresh air opening degree, and the opening degree of the air conditioning valve 12 is controlled to be the first air conditioning opening degree. In this way, when the indoor temperature difference is the smallest, the fresh air temperature is almost the same as the indoor temperature, the opening degree of the fresh air valve 24 is the smallest, i.e. the first fresh air opening degree, and the opening degree of the air conditioning valve 12 is the largest, i.e. the first air conditioning opening degree. At this time, the fresh air intake is the least, and the air conditioning system undertakes most of the temperature adjustment task to maintain the constancy of the indoor temperature.

[0167] When the indoor temperature difference is in the second temperature difference interval, the opening degree of the fresh air valve 24 is controlled to be the second fresh air opening degree, and the opening degree of the air conditioning valve 12 is controlled to be the second air conditioning opening degree.

[0168] When the indoor temperature difference is in the third temperature difference interval, the opening degree of the fresh air valve 24 is controlled to be the third fresh air opening degree, and the opening degree of the air conditioning valve 12 is controlled to be the third air conditioning opening degree.

[0169] When the indoor temperature difference is in the fourth temperature difference interval, the opening degree of the fresh air valve 24 is controlled to be the fourth fresh air opening degree, and the opening degree of the air conditioning valve 12 is controlled to be the fourth air conditioning opening degree. In this way, when the indoor temperature difference is in the largest interval, the opening degree of the fresh air valve 24 is the largest, i.e. the fourth fresh air opening degree, and the opening degree of the air conditioning valve 12 is relatively small, i.e. the fourth air conditioning opening degree. This is because a large temperature difference means that the fresh air temperature and the indoor temperature differ greatly, and a large amount of fresh air needs to be introduced and temperature adjusted through the fresh air heat exchanger 221, while the air conditioning system reduces the refrigerant flow to avoid excessive cooling or heating.

[0170] The arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval and the first temperature difference interval; the arrangement order of each opening degree of the fresh air valve 24 from large to small is: the fourth fresh air opening degree, the third fresh air opening degree, the second fresh air opening degree and the first fresh air opening degree; and the arrangement order of each opening degree of the air conditioning valve 12 from large to small is: the first air conditioning opening degree, the second air conditioning opening degree, the third air conditioning opening degree and the fourth air conditioning opening degree.

[0171] For example Figure 7 As shown in the fresh air mode runs and the outdoor unit 3 is turned on, the system enters the fresh air heat exchange mode, in which mode, if the indoor unit temperature difference value is less than or equal to 2℃, the fresh air valve 24 remains closed state, the air conditioning valve 12 is normally opened; if the indoor unit temperature difference value is greater than 2℃, the air conditioning valve 12 and the fresh air valve 24 are opened, wherein, when the indoor unit temperature difference value is greater than 2℃ and less than or equal to 4℃, the fresh air valve 24 is opened according to the opening degree of 25%, and the air conditioning valve 12 is opened according to the opening degree of 100%; when the fresh air temperature difference value is greater than 4℃ and less than or equal to 6℃, the fresh air valve 24 is opened according to the opening degree of 50%, and the air conditioning valve 12 is opened according to the opening degree of 75%; when the fresh air temperature difference value is greater than 6℃ and less than or equal to 8℃, the fresh air valve 24 is opened according to the opening degree of 75%, and the air conditioning valve 12 is opened according to the opening degree of 50%; when the fresh air temperature difference value is greater than 8℃, the fresh air valve 24 is opened according to the opening degree of 100%, and the air conditioning valve 12 is opened according to the opening degree of 25%.

[0172] As Figure 8 The control device of the fresh air air conditioner according to the third aspect of the present application comprises:

[0173] The acquisition module 110 is configured to acquire the current fresh air working state of the fresh air module 2 and the current outdoor unit working state of the outdoor unit 3.

[0174] The first control module 120 is configured to control the fresh air air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state.

[0175] The second control module 130 is configured to acquire the air outlet temperature corresponding to the working mode in different working modes, and control the opening degree of the air conditioning valve 12 and / or the fresh air valve 24 according to the air outlet temperature, wherein the air outlet temperature comprises the fresh air outlet temperature of the fresh air module 2 and / or the indoor unit outlet temperature of the indoor unit body 1.

[0176] Figure 9 An example of an electronic device is shown in the physical structure diagram, as Figure 9As shown, the electronic device can include a processor 810, a communications interface 820, a memory 830, and a communications bus 840, wherein the processor 810, the communications interface 820, and the memory 830 complete mutual communication through the communications bus 840. The processor 810 can invoke the logic instructions in the memory 830 to execute the control method of the fresh air conditioner, including: obtaining the current fresh air working state of the fresh air module 2 and the current outdoor unit working state of the outdoor unit 3; controlling the fresh air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state; in different working modes, obtaining the air outlet temperature corresponding to the working mode, and controlling the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 according to the air outlet temperature, wherein the air outlet temperature includes the fresh air outlet temperature of the fresh air module 2 and / or the indoor unit outlet temperature of the indoor unit body 1.

[0177] In addition, the logic instructions in the memory 830 described above can be implemented in the form of a software function unit and sold or used as an independent product, which can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, including a plurality of instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0178] On the other hand, the present application also provides a computer program product, the computer program product includes a computer program, the computer program can be stored on a non-transitory computer readable storage medium, and the computer program is executed by the processor, the computer can execute the control method of the fresh air conditioner provided by the above-mentioned method, including: obtaining the current fresh air working state of the fresh air module 2 and the current outdoor unit working state of the outdoor unit 3; controlling the fresh air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state; in different working modes, obtaining the air outlet temperature corresponding to the working mode, and controlling the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 according to the air outlet temperature, wherein the air outlet temperature includes the fresh air outlet temperature of the fresh air module 2 and / or the indoor unit outlet temperature of the indoor unit body 1.

[0179] In yet another aspect, the present application also provides a non-transitory computer readable storage medium having stored thereon a computer program, which, when executed by a processor, implements the control method of the fresh air conditioner provided by each of the above methods, comprising: obtaining a current fresh air working state of the fresh air module 2 and a current outdoor unit working state of the outdoor unit 3; controlling the fresh air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state; in different working modes, obtaining the outlet air temperature corresponding to the working mode, and controlling the opening degree of the air conditioner valve 12 and / or the fresh air valve 24 according to the outlet air temperature, wherein the outlet air temperature includes the fresh air outlet air temperature of the fresh air module 2 and / or the indoor unit outlet air temperature of the indoor unit body 1.

[0180] The device embodiments described above are merely illustrative, wherein the units illustrated as separate components can or can not be physically separated, and the components illustrated as units can or can not be physical units, i.e., can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0181] From the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be realized by means of software and the necessary general hardware platform, and of course can also be realized by hardware. Based on such understanding, the above technical solutions can be embodied in the form of a software product, which can be stored in a computer readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method of each embodiment or some part of the embodiment.

[0182] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fresh air conditioner characterized by comprising: include: An indoor unit includes an indoor unit body and a fresh air module. The fresh air module is installed on the indoor unit body and includes a fresh air duct and a fresh air heat exchanger. The fresh air duct connects the indoor and outdoor areas and flows through the fresh air heat exchanger. The outdoor unit is connected to the fresh air heat exchanger and the indoor heat exchanger inside the indoor unit body via refrigerant pipes. The fresh air heat exchanger and the indoor heat exchanger are connected in parallel. The fresh air heat exchanger is equipped with a fresh air valve at the refrigerant inlet, and the indoor heat exchanger is equipped with an air conditioning valve at the refrigerant inlet. The fresh air module includes a fresh air inlet, a mounting housing, and a fresh air outlet connected in sequence. The fresh air inlet, the internal space of the mounting housing, and the fresh air outlet together constitute the fresh air channel. The fresh air heat exchanger is installed in the internal space of the mounting housing. The fresh air inlet forms a fresh air inlet that connects to the outside, and the fresh air outlet forms a fresh air outlet that connects to the inside. The fresh air conditioner is used to perform a control method, wherein the control method includes: Obtain the current fresh air operating status of the fresh air module and the current outdoor unit operating status; Based on the fresh air working status and the outdoor unit working status, the fresh air air conditioner is controlled to enter different working modes; In different working modes, the air outlet temperature corresponding to that working mode is obtained, and the opening degree of the air conditioning valve and / or fresh air valve is controlled and adjusted according to the air outlet temperature, wherein the air outlet temperature includes the fresh air outlet temperature of the fresh air module and / or the indoor unit outlet temperature of the indoor unit body. Wherein, when the fresh air module is turned on and the outdoor unit is turned on, the fresh air air conditioner enters the fresh air heat exchange mode; then the step of obtaining the outlet air temperature corresponding to the operating mode in different operating modes, and controlling and adjusting the opening degree of the air conditioning valve and / or the fresh air valve according to the outlet air temperature, specifically includes: In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit outlet temperature are obtained; The opening degree of the air conditioning valve and / or fresh air valve is controlled and adjusted according to the fresh air outlet temperature and the indoor unit outlet temperature.

2. The fresh air conditioner according to claim 1, characterized in that, The fresh air module also includes a vortex fan, which is installed inside the mounting housing and positioned opposite to the fresh air heat exchanger.

3. The fresh air conditioner according to claim 2, characterized in that, The fresh air module also includes a filter screen installed inside the mounting housing. The filter screen is disposed opposite to the fresh air heat exchanger and is located on the side of the fresh air heat exchanger away from the vortex fan.

4. The fresh air conditioner according to any one of claims 1 to 3, characterized in that, The fresh air inlet component is a fresh air inlet hose, and the fresh air outlet component is a fresh air outlet base. The fresh air outlet base is installed at the bottom of the indoor unit body, and the mounting housing is installed on the side of the indoor unit body. One end of the fresh air outlet base forms a fresh air interface that communicates with the internal space of the mounting housing, and the front side of the fresh air outlet base is open to form the fresh air outlet.

5. The control method of a fresh air conditioner according to any one of claims 1 to 4, characterized by, include: Obtain the current fresh air operating status of the fresh air module and the current outdoor unit operating status; Based on the fresh air working status and the outdoor unit working status, the fresh air air conditioner is controlled to enter different working modes; In different working modes, an air outlet temperature corresponding to the working mode is obtained, and the opening degree of the air conditioning valve and / or the fresh air valve is adjusted according to the air outlet temperature, wherein the air outlet temperature includes a fresh air outlet temperature of the fresh air module and / or an indoor unit air outlet temperature of the indoor unit body; In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit air outlet temperature are obtained; and the opening degree of the air conditioning valve and / or the fresh air valve is adjusted according to the fresh air outlet temperature and the indoor unit air outlet temperature. In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit air outlet temperature are obtained; and the opening degree of the air conditioning valve and / or the fresh air valve is adjusted according to the fresh air outlet temperature and the indoor unit air outlet temperature. In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit air outlet temperature are obtained; and the opening degree of the air conditioning valve and / or the fresh air valve is adjusted according to the fresh air outlet temperature and the indoor unit air outlet temperature.

6. The control method of the fresh air conditioner according to claim 5, characterized by, In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit air outlet temperature are obtained; and the opening degree of the air conditioning valve and / or the fresh air valve is adjusted according to the fresh air outlet temperature and the indoor unit air outlet temperature. The step of adjusting the opening degree of the air conditioning valve and / or the fresh air valve according to the fresh air outlet temperature and the indoor unit air outlet temperature specifically includes: calculating an absolute value of a difference between the fresh air outlet temperature and the indoor unit air outlet temperature and marking the absolute value as a fresh air temperature difference value; and in a case where the fresh air temperature difference value is greater than a preset temperature difference value, the outdoor unit is controlled to be turned on and the air conditioning valve is controlled to be closed, and the opening degree of the fresh air valve is adjusted according to an interval range in which the fresh air temperature difference value is located.

7. The control method of the fresh air conditioner according to claim 6, characterized by, The step of adjusting the opening degree of the fresh air valve according to the interval range in which the fresh air temperature difference value is located specifically includes: in a case where the fresh air temperature difference value is located in a first temperature difference interval, the opening degree of the fresh air valve is controlled to be a first fresh air opening degree; in a case where the fresh air temperature difference value is located in a second temperature difference interval, the opening degree of the fresh air valve is controlled to be a second fresh air opening degree; 8. The control method of the fresh air conditioner according to claim 7, characterized by, in a case where the fresh air temperature difference value is located in a third temperature difference interval, the opening degree of the fresh air valve is controlled to be a third fresh air opening degree; in a case where the fresh air temperature difference value is located in a fourth temperature difference interval, the opening degree of the fresh air valve is controlled to be a fourth fresh air opening degree; wherein the arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval and the first temperature difference interval; and the arrangement order of each opening degree from large to small is: the fourth fresh air opening degree, the third fresh air opening degree, the second fresh air opening degree and the first fresh air opening degree. The step of adjusting the opening degree of the air conditioning valve and / or the fresh air valve according to the fresh air outlet temperature and the indoor unit air outlet temperature specifically includes: calculating an absolute value of a difference between the fresh air outlet temperature and the indoor unit air outlet temperature and marking the absolute value as an indoor unit temperature difference value; and in a case where the indoor unit temperature difference value is greater than a preset temperature difference value, the outdoor unit is controlled to be turned on and the air conditioning valve is controlled to be closed, and the opening degree of the fresh air valve is adjusted according to an interval range in which the indoor unit temperature difference value is located.

9. The control method of the fresh air conditioner according to claim 5, characterized by, ​ ​ In a case where the indoor unit temperature difference is greater than a preset temperature difference, the fresh air valve and the air conditioning valve are both controlled to be opened, and the opening degree of the fresh air valve and the air conditioning valve is controlled according to the interval range of the indoor unit temperature difference; In a case where the indoor unit temperature difference is less than or equal to the preset temperature difference, the fresh air valve is controlled to be closed and the air conditioning valve is controlled to be opened.

10. The control method of the fresh air conditioner according to claim 9, characterized by, The step of controlling the opening degree of the fresh air valve and the air conditioning valve according to the interval range of the indoor unit temperature difference specifically includes: In a case where the indoor unit temperature difference is in a first temperature difference interval, the opening degree of the fresh air valve is controlled to be a first fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a first air conditioning opening degree; In a case where the indoor unit temperature difference is in a second temperature difference interval, the opening degree of the fresh air valve is controlled to be a second fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a second air conditioning opening degree; In a case where the indoor unit temperature difference is in a third temperature difference interval, the opening degree of the fresh air valve is controlled to be a third fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a third air conditioning opening degree; In a case where the indoor unit temperature difference is in a fourth temperature difference interval, the opening degree of the fresh air valve is controlled to be a fourth fresh air opening degree, and the opening degree of the air conditioning valve is controlled to be a fourth air conditioning opening degree; The arrangement order of each temperature difference interval from large to small is: the fourth temperature difference interval, the third temperature difference interval, the second temperature difference interval, and the first temperature difference interval; the arrangement order of each opening degree of the fresh air valve from large to small is: the fourth fresh air opening degree, the third fresh air opening degree, the second fresh air opening degree, and the first fresh air opening degree; and the arrangement order of each opening degree of the air conditioning valve from large to small is: the first air conditioning opening degree, the second air conditioning opening degree, the third air conditioning opening degree, and the fourth air conditioning opening degree.

11. The control device of the fresh air conditioner according to any one of claims 1 to 4, characterized by, It includes: An acquisition module configured to acquire a current fresh air working state of the fresh air module and a current outdoor unit working state of the outdoor unit; A first control module configured to control the fresh air conditioner to enter different working modes according to the fresh air working state and the outdoor unit working state; A second control module configured to acquire an air outlet temperature corresponding to the working mode in different working modes, and control the opening degree of the air conditioning valve and / or the fresh air valve according to the air outlet temperature, wherein the air outlet temperature includes a fresh air outlet temperature of the fresh air module and / or an indoor unit outlet temperature of the indoor unit body; wherein, in a case where the fresh air module is opened and the outdoor unit is opened, the fresh air conditioner enters a fresh air heat exchange mode; and the step of acquiring the air outlet temperature corresponding to the working mode in different working modes and controlling the opening degree of the air conditioning valve and / or the fresh air valve according to the air outlet temperature specifically includes: In the fresh air heat exchange mode, the fresh air outlet temperature and the indoor unit outlet temperature are acquired; The opening degree of the air conditioning valve and / or the fresh air valve is controlled according to the fresh air outlet temperature and the indoor unit outlet temperature.

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