Whole-house air conditioning device capable of operating in multiple modes

Abstract

The invention discloses a whole-house air conditioning device capable of multi-mode operation, which is formed by assembling and connecting an air conditioner outdoor unit, a composite host, an indoor integrated controller, a plurality of indoor sensors and a plurality of air pipes, the air conditioner outdoor unit and the composite host are both arranged outdoors, and electric control parts and sensing parts of the air conditioner outdoor unit and the composite host are both communicated with the indoor integrated controller through signals; a plurality of air ports for directional and separated circulation of airflow are formed in the top of the composite host, and each air pipe penetrates through the wall to be communicated with the ventilation opening and the indoor space; an exhaust fan, an air supply fan, a fresh air valve, a humidification and dehumidification air valve, a humidification and dehumidification unit, a filter screen unit, a surface air cooler and a total heat exchange core used for energy exchange between exhaust air and fresh air are arranged in the composite host. According to the device, through reasonable air duct layout and air valve opening and closing control, switching control of the device among various modes of refrigeration, heating, humidification, dehumidification, ventilation total heat, one-way air supply and one-way air exhaust is achieved, various indoor air parameters are adjusted, and equipment operation noise is isolated outdoors.

Description

Technical Field

[0001] This invention relates to an indoor air conditioning device, and more particularly to a whole-house air conditioning device capable of multi-mode operation. Background Technology

[0002] In the traditional field of air conditioning, air conditioners are generally used to control and regulate indoor temperature. While air conditioners also have some dehumidification capabilities, they are far from meeting users' requirements for air comfort. In areas with high humidity, a separate dehumidifier is still needed.

[0003] In areas with high ventilation requirements, ventilation systems are generally used to regulate indoor air. If users need to adjust multiple air parameters (temperature, humidity, cleanliness, oxygen content, etc.), multiple systems need to be installed to meet the requirements. Among existing equipment, air conditioners mainly regulate indoor temperature, dehumidifiers and humidifiers regulate indoor humidity, while purification-type heat exchangers regulate indoor cleanliness and oxygen content.

[0004] Currently available air conditioning equipment typically combines multiple single-function devices in series. However, each device operates independently, making operation cumbersome and lacking in coordinated control capabilities. This can easily lead to inconsistent parameter responses and wasted energy. Furthermore, since most of these devices are installed indoors, maintenance requires access to multiple locations within the room, compromising user privacy. Additionally, the combined noise from each device can cause more severe noise pollution. Summary of the Invention

[0005] The purpose of this invention is to provide a whole-house air conditioning device that can operate in multiple modes, solve the problem of multi-functional integration of whole-house air conditioning equipment, and seek to separate the operation and maintenance of the whole unit from the indoor environment, thereby solving the noise problem of indoor equipment.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a whole-house air conditioning device capable of multi-mode operation, comprising an outdoor air conditioning unit, a composite main unit, an indoor centralized controller, several indoor sensors, and several air ducts. The outdoor air conditioning unit and the composite main unit are both located outdoors, and their electrical control and sensing components are signal-connected to the indoor centralized controller. The top of the composite main unit has several air vents for airflow direction and separation. One end of each air duct is connected one-to-one to the air vent of the composite main unit, and the other end passes through the wall to connect to the indoor environment. The composite main unit contains an exhaust fan, a supply fan, a fresh air valve, a dehumidification valve, a dehumidification unit, a filter unit, a surface cooler for transmitting the output of the outdoor air conditioning unit, and a total heat exchange core for energy exchange between the exhaust airflow and the fresh airflow to bring the temperature and humidity closer together. It is controlled to operate in one of the following modes: cooling, heating, humidification, dehumidification, ventilation / total heat, unidirectional supply airflow, or unidirectional exhaust airflow.

[0007] Furthermore, the dehumidification unit is located off-center in one corner of the inner cavity of the composite host, and is connected to or isolated from the main airflow channel of the composite host through a controlled opening and closing dehumidification valve.

[0008] Furthermore, the dehumidification unit is equipped with an internal airflow-driven dehumidification fan, a circulating pump and wet film for humidifying the airflow, and a compressor, condenser and evaporator for deep dehumidification of the airflow.

[0009] Furthermore, the dehumidification unit is equipped with an ultraviolet germicidal lamp that is timed to turn on and irradiates the wet film on the side.

[0010] Furthermore, the composite host is equipped with an auxiliary heater at the bottom of the air supply fan for heating the dehumidified airflow.

[0011] Furthermore, the composite host is equipped with a return air sensor for detecting return airflow parameters between the indoor return air vent and the filter unit, and a fresh air sensor for detecting fresh airflow parameters is provided near the fresh air valve.

[0012] Furthermore, the composite host is provided with an exhaust filter at the first inlet port of the total heat exchange core corresponding to the return airflow, and a fresh air filter at the second inlet port of the total heat exchange core corresponding to the fresh airflow.

[0013] Furthermore, in the cooling mode, the dehumidification valve is closed, the outdoor unit of the air conditioner and the air supply fan are started, the return airflow mixes with the fresh airflow through the indoor return air inlet, the filter unit, and the surface cooler, and is then sent back to the room by the air supply fan from the indoor air supply outlet; In heating mode, the dehumidification valve is closed, the outdoor unit of the air conditioner and the air supply fan are started, the return airflow mixes with the fresh airflow through the indoor return air inlet, filter unit, and surface cooler, and is then sent back to the room by the air supply fan from the indoor air supply outlet; In humidification mode, the dehumidification air valve is opened and the dehumidification fan in the dehumidification unit is started. Part of the airflow entering the main unit before the air supply fan is humidified by the wet film screen that is sprayed with water and then sent out by the dehumidification fan to mix with the main airflow, serving as the air supply material to increase indoor air humidity. In dehumidification mode, the dehumidification damper is closed, and the air supply air is cooled and dehumidified by the outdoor unit of the air conditioner and then reheated by the auxiliary heater at the bottom of the air supply fan. Alternatively, the dehumidification damper is opened and the dehumidification fan in the dehumidification unit is started. Part of the airflow entering the air supply fan in the composite unit passes through the condenser and evaporator and is condensed and dehumidified by the compressor. It is then sent out by the dehumidification fan and mixed with the main airflow to serve as the air supply material for reducing indoor air humidity. In the ventilation and heating mode, the outdoor unit of the air conditioner is turned off, and the supply fan and exhaust fan are started. An exhaust airflow entering the composite host passes through the heat exchange core and is discharged outdoors by the exhaust fan. In the state of the fresh air valve being open, a fresh airflow passes through the heat exchange core and mixes with a return airflow in the composite host, and is sent into the room by the supply fan through the filter unit and the surface cooler. In the one-way air supply mode, the outdoor unit and exhaust fan of the air conditioner are turned off, the air supply fan is started and the fresh air valve is fully open. The return airflow enters the inner cavity of the composite host through the indoor return air inlet, and the fresh airflow enters the inner cavity of the composite host through the total heat exchange core and mixes with the return airflow. Then, it is sent to the room by the air supply fan through the filter unit and the surface cooler. In unidirectional exhaust mode, the outdoor unit of the air conditioner, the supply fan and the fresh air valve are all closed, the exhaust fan is started, and the exhaust air flows through the total heat exchange core and is directly discharged outdoors by the exhaust fan.

[0014] Furthermore, in cooling and heating modes with the fresh air valve and exhaust fan open, the fresh air and exhaust air exchange energy in the total heat exchange core. The exhaust air is discharged outdoors, and the fresh air and return air mix and are sent indoors by the supply fan after passing through the filter unit and surface cooler.

[0015] Furthermore, the indoor sensors are distributed in various rooms or preset locations to collect parameters of indoor air, including temperature, humidity, carbon dioxide, and PM2.5, and then feed them back to and display them on the indoor central controller.

[0016] Compared to existing whole-house air conditioning systems, the advantages of this invention are as follows: 1) Through integrated design and assembly, a single device can be linked with the outdoor unit of the air conditioner for multi-condition operation and adjustment of indoor air quality parameters as needed, including indoor temperature, indoor humidity, indoor cleanliness and oxygen content.

[0017] 2) By rationalizing the layout of the air duct and controlling the opening and closing of the air valve, the device can switch between various modes such as cooling, heating, humidification, dehumidification, ventilation and heating, unidirectional air supply and unidirectional exhaust, and isolate the noise of the equipment operation to the outside. Attached Figure Description

[0018] Figure 1 This is an internal structural schematic diagram of the whole-house air conditioning device of the present invention.

[0019] Figure 2 yes Figure 1 The diagram shows a top view of the whole-house air conditioning system.

[0020] Figure 3 yes Figure 1 The diagram shows the airflow path of the whole-house air conditioning system. Detailed Implementation

[0021] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and master, and thus to make a clearer definition of the scope of protection of the present invention.

[0022] like Figure 1 and Figure 2 As shown, the multi-mode whole-house air conditioning device of this invention comprises an outdoor air conditioning unit 2, a composite main unit 1, an indoor central controller 3, several indoor sensors 4, and several air ducts. As can be seen in the diagram, the partition wall Q represents the indoor space on the right and the outdoor space on the left. Both the outdoor air conditioning unit 2 and the composite main unit 1 are located outdoors, and their electrical control and sensing components are connected to the indoor central controller via a signal bus. The outdoor air conditioning unit 2 is typically mounted on an exterior wall or in a dedicated space; it is a conventional device with well-known functions, so detailed descriptions are omitted. As one of the main innovations of this application, the top of the composite main unit is equipped with several air vents for airflow direction and separation. Specifically, the system includes an outdoor fresh air inlet 54 connected to the outdoor fresh air duct to introduce fresh air into the room; an indoor air supply inlet 52 connected to the indoor air supply duct to evenly distribute the treated air to various areas of the room; an indoor exhaust inlet 62 connected to the indoor exhaust duct to introduce air from areas requiring exhaust; an outdoor exhaust inlet 65 connected to the outdoor exhaust duct, through which indoor exhaust air is discharged to the outside after passing through a total heat exchange core; and an indoor return air inlet 72 connected to the indoor return air duct to introduce recirculated indoor air, treating the indoor air for internal circulation, reducing the entry of outdoor air, lowering the indoor load, and achieving energy-saving effects. Correspondingly, the ductwork includes an indoor air supply duct 51, an indoor exhaust duct 61, and an indoor return air duct 71, with one end of each duct connected one-to-one to the corresponding air outlet of the composite unit, and the other end penetrating the wall to connect to the room. The composite unit 1 is equipped with an exhaust fan 63, an air supply fan 53, a fresh air valve 55, a dehumidification valve 141, a dehumidification unit, a filter unit, a surface cooler 12 that transmits the output of the outdoor air conditioning unit, and a total heat exchange core 8 for energy exchange between the exhaust airflow and the fresh airflow to bring the temperature and humidity closer together. The surface cooler is located in the cavity 11 between the filter unit and the air supply fan, which is the main airflow mixing point in the entire composite unit. The surface cooler is connected to the outdoor air conditioning unit. Depending on the cooling, heating, or dehumidification mode of the outdoor air conditioning unit, it cools, heats, or dehumidifies the airflow in the cavity 11. Based on the design of the dehumidification unit, the total heat exchange core, the surface cooler connected to the outdoor air conditioning unit, and the various air ducts in the composite unit, this device can be controlled to operate in one of the following modes: cooling, heating, humidification, dehumidification, total heat ventilation, unidirectional air supply, or unidirectional exhaust, so as to realize the on-demand adjustment of various air parameters.

[0023] Therefore, this invention focuses on the functional integration of multiple air conditioning devices, assembling the aforementioned composite main unit. It is a single, independent unit separate from the outdoor air conditioning unit, yet the two functions synergistically, and are assembled in the outdoor environment relative to the room. Of the multiple operating modes implemented above, one can inherit the functions of the outdoor air conditioning unit, using air valve control to enable the composite main unit to achieve conventional cooling, heating, and low-load dehumidification with minimal energy consumption. Another mode allows the outdoor air conditioning unit to function as an auxiliary unit or be directly shut down for standby, with the composite main unit controlling the air valves to activate or deactivate internal components to meet various air parameter adjustment needs, thereby satisfying indoor air supply comfort. In the design of the composite main unit, this invention utilizes ductwork to differentiate and interact indoor and outdoor supply, exhaust, and return airflows, and installs hardware devices prone to generating operating noise outdoors, thus achieving a quiet indoor environment. Simultaneously, the airflow path in the composite unit is designed. As shown in the diagram, the upper part mainly realizes the energy exchange between the two airflows, making full use of the energy advantage of the indoor exhaust airflow; the bottom side mainly realizes humidification and deep dehumidification, as well as functional shielding control, which can make up for the deficiencies of the air conditioner outdoor unit in terms of air humidity regulation; the middle part is responsible for airflow diversion, air purification, and receiving the airflow output from the operation of the air conditioner outdoor unit. The equipment adopts dual dehumidification of air conditioning and dehumidification units, and a reheat section is arranged after the cold dehumidification to ensure dry and comfortable air supply in humid and cold weather. The equipment also uses an improved wet film humidification.

[0024] Looking at the details further, the dehumidification unit is located off-center in one corner of the composite unit's internal cavity, and is connected to or isolated from the main airflow channel of the composite unit through a controlled opening and closing dehumidification valve 141. This dehumidification valve is closed when not in humidification or dehumidification mode, so the airflow does not need to pass through the humidification and dehumidification components, reducing internal resistance and achieving energy savings.

[0025] When humidification or dehumidification is required, the unit is activated. Airflow inside the unit passes through this valve to the humidification and dehumidification components, where it is applied as needed. This humidification / dehumidification unit includes an internally driven humidification / dehumidification fan 142, a circulating pump 144 and a wet film 143 for humidifying the airflow, and a compressor 145, condenser 146, and evaporator 147 for deep dehumidification. During humidification, the circulating pump draws water to spray onto the wet film. When dry air flows over the wet film, water molecules absorb heat from the air and evaporate into water vapor, creating high-humidity air. When the dehumidification function of the outdoor unit cannot meet the user's needs, the compressor is activated, and the condenser and evaporator condense and dehumidify the passing airflow, achieving deep dehumidification.

[0026] In addition, an ultraviolet germicidal lamp 15 is installed next to the wet membrane in the dehumidification unit and is turned on at regular intervals to irradiate the wet membrane and reduce the growth of bacteria on the wet membrane.

[0027] The aforementioned fans are named and differentiated only by the airflow they affect, differing only in specifications and models, representing a standard technical selection. The indoor sensors are distributed throughout the rooms or at predetermined locations, such as a first sensor 41 in the master bedroom and a second sensor 42 in the secondary bedroom, or a first sensor 41 in the east corner of the living room and a second sensor 42 in the west corner. These sensors collect indoor air parameters including temperature, humidity, carbon dioxide, and PM2.5, and then feed this data back to and display it on the indoor central controller.

[0028] The aforementioned composite unit has an auxiliary heater 13 at the bottom of the air supply fan 53 for heating the dehumidified airflow. Normally, under dehumidification but not cooling conditions, the air dehumidified by the outdoor unit is relatively cold. Activating the auxiliary heater reheats the air, bringing it to a comfortable temperature. However, under conditions with a smaller heating range, the outdoor unit does not need to be activated; simply activating the auxiliary heater heats the air entering the room, achieving a comfortable temperature.

[0029] The aforementioned filter units are arranged sequentially in accordance with the airflow direction as a pre-filter 161, a medium-efficiency filter 162, and a high-efficiency filter 163. Through the progressively deeper filtration effect, the chance of clogging of the medium-efficiency and high-efficiency filters is reduced, and the air delivered into the room reaches the optimal level of cleanliness.

[0030] The aforementioned composite unit has a return air sensor 187 for detecting return air flow parameters between the indoor return air vent and the filter unit, and a fresh air sensor 185 for detecting fresh air flow parameters near the fresh air valve. Data from both sensors is transmitted back to the indoor central controller, providing the equipment with a main control reference.

[0031] In the total heat exchange core 8 of the composite host, an exhaust filter 81 is provided at the first inlet port corresponding to the return airflow, and a fresh air filter 82 is provided at the second inlet port corresponding to the fresh airflow of the total heat exchange core, so as to achieve initial filtration of the two energy-circulating airflows.

[0032] The aforementioned indoor centralized controller is applicable to various general-purpose controllers with human-machine interaction functions. Its internal microprocessor loads multiple preset operating modes for the device and can also accept user-defined operating modes. These are the basic hardware and software requirements that those skilled in the art are familiar with, therefore detailed descriptions are omitted.

[0033] To further understand the benefits of this innovation, we can examine its multiple operating modes. For example... Figure 3As shown, different colors indicate the airflow paths through the ductwork and the main unit. Line A represents the path of outdoor fresh air being delivered indoors, line A1 represents the path of indoor return air being delivered indoors again, line C represents the path of indoor exhaust air, and line D represents the airflow path for humidity regulation when the dehumidification unit is operating. More specifically, in cooling mode, the dehumidification damper is closed, the outdoor unit and the supply fan are activated, and the return air mixes with the fresh air through the indoor return air inlet, filter unit, and surface cooler, before being delivered back indoors by the supply fan from the indoor supply air inlet.

[0034] In heating mode, the dehumidifying valve is closed, the outdoor unit of the air conditioner and the supply fan are started, the return air flows through the indoor return air inlet, filter unit, and surface cooler to mix with the fresh air flow, and is then sent back into the room by the supply fan from the indoor air outlet.

[0035] Furthermore, in the two modes described above with the fresh air valve and exhaust fan open, the fresh airflow and exhaust airflow exchange energy in the total heat exchange core. The exhaust airflow is discharged outdoors, and the fresh airflow and return airflow are mixed and sent indoors by the supply fan after passing through the filter unit and surface cooler.

[0036] In humidification mode, the dehumidification valve is opened and the dehumidification fan in the dehumidification unit is started. Part of the airflow entering the main unit before the air supply fan is humidified by the wet film screen and sent out by the dehumidification fan to mix with the main airflow, serving as the air supply material to increase indoor air humidity.

[0037] In dehumidification mode, the dehumidification damper is closed, and the air supply air is cooled and dehumidified by the outdoor unit of the air conditioner and then reheated by the auxiliary heater at the bottom of the air supply fan. Alternatively, the dehumidification damper is opened and the dehumidification fan in the dehumidification unit is started. Part of the airflow entering the air supply fan in the composite unit passes through the condenser and evaporator and is condensed and dehumidified by the compressor. It is then sent out by the dehumidification fan and mixed with the main airflow to serve as the air supply material for reducing indoor air humidity.

[0038] In the ventilation and heating mode, the outdoor unit of the air conditioner is turned off, and the supply fan and exhaust fan are started. An exhaust airflow entering the composite unit passes through the heat exchange core and is discharged outdoors by the exhaust fan. Meanwhile, with the fresh air valve open, a fresh airflow passes through the heat exchange core and mixes with a return airflow in the composite unit. The fresh airflow then passes through the filter unit and the cooling coil and is sent indoors by the supply fan.

[0039] In unidirectional air supply mode, the outdoor unit and exhaust fan of the air conditioner are turned off, the supply fan is started and the fresh air valve is fully open. The return airflow enters the inner cavity of the composite unit through the indoor return air inlet, and the fresh airflow enters the inner cavity of the composite unit through the total heat exchange core and mixes with the return airflow. Then, it is sent to the room by the supply fan through the filter unit and the surface cooler.

[0040] In unidirectional exhaust mode, the outdoor unit of the air conditioner, the supply fan, and the fresh air valve are all closed, the exhaust fan is started, and the exhaust air flows through the total heat exchange core and is directly discharged outdoors by the exhaust fan.

[0041] In summary, the above description and detailed implementation of the multi-mode whole-house air conditioning device of the present invention demonstrate that, compared with traditional fresh air units with dehumidification functions, this solution possesses substantial features and advancements. Its technical effects are reflected in the following: 1) Through integrated design and assembly, it achieves linkage control between one device and the outdoor unit of the air conditioner, enabling multi-condition operation and on-demand adjustment of indoor air quality parameters, including indoor temperature, indoor humidity, indoor cleanliness, and oxygen content.

[0042] 2) By rationalizing the layout of the air duct and controlling the opening and closing of the air valve, the device can switch between various modes such as cooling, heating, humidification, dehumidification, ventilation and heating, unidirectional air supply and unidirectional exhaust, and isolate the noise of the equipment operation to the outside.

[0043] In addition to the above embodiments, the present invention may have other implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by the present invention.

Claims

1. A whole house air conditioning device operable in multiple modes, characterized by: The air conditioner outdoor unit, composite main unit, indoor centralized controller, several indoor sensors and several air pipes are connected to form the air conditioner, wherein the air conditioner outdoor unit and the composite main unit are arranged outdoors, and the electric control parts and the sensing parts of the two are signal connected to the indoor centralized controller; the top of the composite main unit is provided with several air outlets for airflow orientation and separate flow; one end of each air pipe is connected to the air outlet of the composite main unit in one-to-one mode, and the other end is connected to the indoor air through the wall; the composite main unit is internally provided with an exhaust fan, a supply fan, a fresh air damper, a dehumidification damper, a dehumidification unit, a filter unit, a cooling coil for transferring the output of the air conditioner outdoor unit, and a total heat exchange core for energy exchange between the exhaust airflow and the fresh airflow to make the temperature and humidity close, and is controlled to operate in one of the modes of refrigeration, heating, humidification, dehumidification, ventilation total heat, one-way supply of air, and one-way exhaust of air.

2. The multi-mode capable whole house air conditioning unit of claim 1, wherein: The dehumidification unit is arranged at one corner of the inner cavity of the composite main unit, and is connected to or isolated from the main airflow passage of the composite main unit through the dehumidification damper which is controlled to open and close.

3. The multi-mode capable whole house air conditioning unit of claim 1 or 2, wherein: The dehumidification unit is provided with a dehumidification fan driven by internal airflow, a circulating pump and a wet membrane for humidifying the airflow, and a compressor, a condenser and an evaporator for deeply dehumidifying the airflow.

4. The multi-mode capable whole house air conditioning unit of claim 3, wherein: The wet membrane is provided with a ultraviolet sterilization lamp which is turned on at a fixed time and irradiates the wet membrane.

5. The multi-mode capable whole house air conditioning unit of claim 1, wherein: The composite main unit is provided with an auxiliary heater at the bottom of the supply fan for heating the airflow after dehumidification.

6. The multi-mode capable whole house air conditioning unit of claim 1, wherein: The composite main unit is provided with a return air sensor for detecting the parameters of the return airflow between the return air outlet and the filter unit, and a fresh air sensor for detecting the parameters of the fresh airflow near the fresh air damper.

7. The multi-mode capable whole house air conditioning unit of claim 1, wherein: The composite main unit is provided with an exhaust filter screen at the first inlet port of the total heat exchange core corresponding to the return airflow, and a fresh air filter screen at the second inlet port of the total heat exchange core corresponding to the fresh airflow.

8. The multi-mode capable whole house air conditioning unit of claim 1, wherein: In the refrigeration mode, the dehumidification damper is closed, the air conditioner outdoor unit and the supply fan are started, the return airflow is mixed with the fresh airflow through the indoor return air outlet, the filter unit and the cooling coil, and is sent back to the indoor through the indoor air outlet by the supply fan; In the heating mode, the dehumidification damper is closed, the air conditioner outdoor unit and the supply fan are started, the return airflow is mixed with the fresh airflow through the indoor return air outlet, the filter unit and the cooling coil, and is sent back to the indoor through the indoor air outlet by the supply fan; In the humidification mode, the dehumidification damper is opened, and the dehumidification fan in the dehumidification unit is started, part of the airflow in the composite main unit before the supply fan is humidified by the wet membrane and is sent out by the dehumidification fan to mix with the main airflow, as the supply material for increasing the indoor air humidity; In the dehumidification mode, the dehumidification damper is closed, the supply airflow is cooled and dehumidified by the air conditioner outdoor unit, and is reheated by the auxiliary heater at the bottom of the supply fan, or the dehumidification damper is opened, and the dehumidification fan in the dehumidification unit is started, part of the airflow in the composite main unit before the supply fan is cooled and dehumidified by the condenser and the evaporator and by the compressor, and is sent out by the dehumidification fan to mix with the main airflow, as the supply material for reducing the indoor air humidity. In the ventilation total heat mode, the air conditioner outdoor unit is closed, the air supply fan and the air exhaust fan are started, one air exhaust flow entering the composite main machine passes through the total heat exchange core and is exhausted to the outside; and in the new air fan opening state, one new air flow passes through the total heat exchange core and mixes with one return air flow in the composite main machine, and is sent to the indoor through the filter screen unit and the surface cooler by the air supply fan; In the one-way air supply mode, the air conditioner outdoor unit and the air exhaust fan are closed, the air supply fan is started and the new air fan is fully opened, the return air flow enters the composite main machine cavity through the indoor return air inlet, the new air flow enters the composite main machine cavity through the total heat exchange core and mixes with the return air flow, and is then sent to the indoor through the filter screen unit and the surface cooler by the air supply fan; In the one-way air exhaust mode, the air conditioner outdoor unit, the air supply fan and the new air fan are closed, the air exhaust fan is started, and the air exhaust flow passes through the total heat exchange core and is directly exhausted to the outside by the air exhaust fan.

9. The multi-mode capable whole house air conditioning unit of claim 8, wherein: In the refrigeration mode and the heating mode in the new air fan and the air exhaust fan opening state, the new air flow and the air exhaust flow exchange energy in the total heat exchange core, the air exhaust flow is exhausted to the outside, the new air flow mixes with the return air flow, and is sent to the indoor through the filter screen unit and the surface cooler by the air supply fan.

10. The multi-mode capable whole house air conditioning unit of claim 8, wherein: The indoor sensors are distributed in each room or each preset position in the indoor, collect parameters including temperature, humidity, carbon dioxide and PM2.5 in the indoor air, and are fed back and presented to the indoor centralized controller.

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