Air conditioner and fresh air control method of air conditioner

Abstract

The application discloses an air conditioner and a fresh air control method thereof. The air conditioner comprises an air conditioner outdoor unit, an air conditioner indoor unit, a fresh air module, a remote controller and a controller. The controller is configured to: when the air conditioner is turned on and the indoor fan is turned off, acquire a first fresh air instruction of a fresh air control button of the remote controller, control the fresh air module to operate at a preset fresh air rotating speed, and control the indoor fan to operate at a first indoor fan rotating speed; acquire a second fresh air instruction of the fresh air control button of the remote controller, control the indoor fan to stop operating, and control the fresh air module to stop operating. Thus, the controller can acquire the instruction sent by the fresh air control button, control the operating state of the fresh air module and the indoor fan, make the page of the remote controller more concise, make the user control the fresh air module through the remote controller more simply, and make the matching of the fresh air module and the indoor fan better, thereby improving the use comfort of the user for the fresh air function.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and in particular to an air conditioner and a method for controlling the fresh air intake of the air conditioner. Background Technology

[0002] The air conditioner is equipped with a fresh air module, which can introduce fresh outdoor air into the room to complete the air exchange between indoors and outdoors, thereby purifying the indoor air, improving indoor air quality, and increasing the oxygen content of the indoor air, ensuring the comfort of indoor users.

[0003] In related technologies, users can control the operation of the fresh air module via remote control. However, turning the fresh air on, changing its speed, and turning it off often requires using different buttons on the remote control. The numerous buttons result in a bulky remote control with an unsophisticated interface, increasing the cumbersome and complex process for users. Furthermore, when the fresh air function is activated in existing air conditioners, the prolonged introduction of outdoor fresh air may affect indoor users, failing to meet their requirements for indoor air freshness and comfort, leading to a lower user experience. Summary of the Invention

[0004] This invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide an air conditioner that can receive instructions sent from the fresh air control button and correspondingly control the operating status of the fresh air module and the indoor fan, making the operation of the air conditioner simpler and more convenient, and improving the user experience.

[0005] The present invention further proposes a method for controlling the fresh air intake of an air conditioner.

[0006] An air conditioner according to an embodiment of the present invention includes: an outdoor unit, the outdoor unit comprising: an outdoor unit casing; an outdoor heat exchanger disposed within the outdoor unit casing; an outdoor fan disposed within the outdoor unit casing, the operation of the outdoor fan drawing airflow from outside the outdoor unit casing into the outdoor unit casing, and forming a heat exchange airflow through the outdoor heat exchanger, the heat exchange airflow being output to the outside of the outdoor unit casing under the drive of the outdoor fan; and an indoor unit, the indoor unit comprising: an indoor unit casing, the indoor unit casing having an air outlet, the air outlet having an air guide plate; an indoor heat exchanger disposed within the indoor unit casing, the indoor heat exchanger forming a refrigerant circulation loop with the outdoor heat exchanger; and an indoor fan disposed within the indoor unit casing, the operation of the indoor fan drawing airflow from outside the outdoor unit casing into the outdoor unit casing. External airflow is introduced into the indoor unit casing and heat-exchanged through the indoor heat exchanger to form a heat-exchanged airflow, which is then output to the outside of the indoor unit casing under the drive of the indoor fan. A fresh air module is used to introduce fresh outdoor air into the room. A remote control is provided with a fresh air control button. A controller is electrically connected to the remote control, the indoor fan, the air guide plate, and the fresh air module. The controller is configured to: when the air conditioner is turned on and the indoor fan is turned off, acquire a first fresh air command from the fresh air control button on the remote control, control the fresh air module to operate at a preset fresh air speed, and control the indoor fan to operate at a first indoor fan speed; acquire a second fresh air command from the fresh air control button on the remote control, control the indoor fan to stop operating, and control the fresh air module to stop operating.

[0007] Therefore, the controller can receive instructions sent by the fresh air control buttons and control the operation status of the fresh air module and indoor fan. This not only makes the remote control interface simpler and makes it easier for users to control the fresh air module, but also improves the compatibility between the fresh air module and the indoor fan, enhancing the user experience when the air conditioner turns on the fresh air function.

[0008] In some examples of the present invention, the controller is configured to: acquire a first fresh air command from the fresh air control button of the remote control, and control the air guide plate to open at the anti-cold air angle.

[0009] In some examples of the present invention, the controller is configured to: acquire a second fresh air command from the fresh air control button of the remote control, and control the air guide plate to close.

[0010] In some examples of the present invention, the controller is configured to: when the fresh air module is running, acquire any instruction related to the main function of "cooling room / heating room / air supply / dehumidification" sent by the remote controller, control the corresponding main function to start running, control the indoor fan and the air guide plate to switch to run according to the requirements of the corresponding main function, and control the speed of the fresh air module to remain unchanged.

[0011] In some examples of the present invention, the controller is configured to: when the main function of the air conditioner is in operation, acquire a third fresh air command from the remote control, control the fresh air module to enter a speed following mode, wherein the speed of the fresh air module is associated with the speed of the indoor fan, and control the fresh air module to operate according to a preset speed mapping relationship.

[0012] In some examples of the present invention, the indoor fan has multiple speed settings, the fresh air module has multiple speed settings, and the preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high.

[0013] According to an embodiment of the present invention, a method for controlling the fresh air intake of an air conditioner includes: turning on the air conditioner; obtaining a first fresh air instruction from the fresh air control button on a remote control, controlling the fresh air module to operate at a preset fresh air speed, controlling the indoor fan to operate at a first indoor fan speed, and controlling the air guide plate to open at an anti-cold air angle; obtaining a second fresh air instruction from the fresh air control button on the remote control, controlling the indoor fan to stop operating, controlling the fresh air module to stop operating, and controlling the air guide plate to close.

[0014] In some examples of the present invention, the fresh air control method of the air conditioner further includes: when the fresh air module is running, acquiring any instruction related to the main function of "cooling room / heating room / air supply / dehumidification" sent by the remote controller, controlling the corresponding main function to start running, controlling the indoor fan and the air guide plate to switch to run according to the requirements of the corresponding main function, and controlling the speed of the fresh air module to remain unchanged.

[0015] In some examples of the present invention, when the main function of the air conditioner is in operation, a third fresh air command from the remote control is obtained, and the fresh air module is controlled to enter the speed following mode. The speed of the fresh air module is associated with the speed of the indoor fan, and the fresh air module is controlled to operate according to a preset speed mapping relationship.

[0016] In some examples of the present invention, the indoor fan has multiple speed settings, the fresh air module has multiple speed settings, and the preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high.

[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of an air conditioner according to an embodiment of the present invention;

[0020] Figure 2 This is a flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention;

[0021] Figure 3 This is a partial flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention;

[0022] Figure 4 This is a partial flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention;

[0023] Figure 5 This is a partial flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention;

[0024] Figure 6 This is a partial flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention;

[0025] Figure 7 This is a partial flowchart of a fresh air control method for an air conditioner according to an embodiment of the present invention. Detailed Implementation

[0026] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0027] The following is for reference. Figures 1-7 An air conditioner according to an embodiment of the present invention is described, wherein the air conditioner may employ an air conditioner fresh air control method.

[0028] Combination Figure 1As shown, the air conditioner according to the present invention mainly includes: an indoor unit, an outdoor unit, a fresh air module, a remote control, and a controller. The outdoor unit may include: an outdoor unit casing, an outdoor heat exchanger, and an outdoor fan, both housed within the outdoor unit casing. The indoor unit may include: an indoor unit casing, an indoor heat exchanger, and an indoor fan, both housed within the indoor unit casing. This design allows the outdoor and indoor units to be protected by both the outdoor and indoor units, preventing damage from external objects and impacts. This improves the structural reliability of the outdoor and indoor units, ensuring normal operation of the air conditioner.

[0029] Furthermore, a refrigerant circulation loop can be formed between the indoor and outdoor heat exchangers. When the air conditioner is working, the operation of the outdoor fan can introduce airflow from outside the outdoor unit casing into the outdoor unit casing, and form a heat exchange airflow through refrigerant heat exchange in the outdoor heat exchanger. Driven by the outdoor fan, the heat exchange airflow is output to the outside of the outdoor unit casing. The refrigerant after heat exchange can flow to the indoor heat exchanger. By setting air inlets and outlets on the indoor unit casing, the operation of the indoor fan can introduce airflow from outside the indoor unit casing into the indoor unit casing through the air inlet, and form a heat exchange airflow through refrigerant heat exchange in the indoor heat exchanger. Driven by the indoor fan, the heat exchange airflow is output to the outside of the indoor unit casing through the air outlet. This allows the air conditioner to deliver air at a suitable temperature to the room, realize the function of the air conditioner in regulating the indoor temperature, ensure the normal operation of the air conditioner, and meet the user's needs.

[0030] Furthermore, an air guide plate is installed on the air outlet, and the angle of the air guide plate is adjustable. By adjusting the angle of the air guide plate, the direction of airflow can be adjusted to meet the user's needs in different scenarios. This can prevent cold air from blowing directly into the indoor user, thereby further improving the working performance of the air conditioner and enhancing the user's comfort.

[0031] Specifically, in this application, the outdoor and indoor units of the air conditioner work together. The outdoor heat exchanger can be an evaporator or a condenser, and the corresponding indoor heat exchanger is a condenser or an evaporator. The air conditioner executes a refrigeration cycle using a compressor, an expansion valve, a condenser, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, supplying refrigerant to the regulated and heat-exchanged air. The compressor compresses the refrigerant gas and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process. The expansion valve expands the high-temperature, high-pressure liquid refrigerant condensed in the condenser into a low-pressure liquid refrigerant. The evaporator evaporates the refrigerant that has expanded in the expansion valve and returns the low-temperature, low-pressure refrigerant gas to the compressor. The evaporator achieves a cooling effect by utilizing the latent heat of refrigerant evaporation to exchange heat with the material being cooled. Throughout the cycle, the air conditioner can regulate the temperature of the indoor space. Furthermore, the outdoor fan of this application can accelerate the airflow velocity through the outdoor heat exchanger, and the indoor fan of this application can accelerate the airflow velocity through the indoor heat exchanger, thereby improving the heat exchange efficiency of the air conditioner and enhancing its performance.

[0032] Furthermore, the remote control is equipped with a fresh air control button. The controller is electrically connected to the remote control, indoor fan, air guide plate, and fresh air module respectively. The controller is configured to: when the air conditioner is turned on and the indoor fan is turned off, obtain the first fresh air command from the fresh air control button on the remote control, control the fresh air module to run at the preset fresh air speed, and control the indoor fan to run at the first indoor fan speed; obtain the second fresh air command from the fresh air control button on the remote control, control the indoor fan to stop running, and control the fresh air module to stop running.

[0033] Specifically, when the air conditioner is turned on and the indoor fan is running, the controller can control the fresh air module to operate. The fresh air module introduces fresh outdoor air into the room, achieving air exchange between indoors and outdoors. This purifies the indoor air, improves indoor air quality, and increases the oxygen content, ensuring the comfort of indoor users. By electrically connecting the controller to the remote control, users can input commands via the fresh air control buttons on the remote. The controller receives these commands and controls the fresh air module to operate at different speeds based on the user's instructions. This allows users to manually control the fresh air module according to their actual needs, expanding the control methods of the air conditioner, further enhancing the user experience, and meeting different user needs in different scenarios.

[0034] Furthermore, the controller can be configured so that when the air conditioner is turned on and the indoor fan is off, the controller can receive the instructions sent by the fresh air control button and control the operation status of the fresh air module and the indoor fan accordingly.

[0035] When the controller receives the first fresh air command from the fresh air control button on the remote control, it can control the fresh air module to operate at the preset fresh air speed and control the indoor fan to operate at the first indoor fan speed. In this way, on the one hand, the fresh air module can introduce outdoor fresh air into the room, and on the other hand, the operation of the indoor fan can deliver the outdoor fresh air blown onto the indoor fan to a farther place in the room. This can improve the air exchange performance of the air conditioner, further ensure the air quality of the indoor environment, and take into account the indoor users' requirements for indoor air freshness and comfort, thereby improving the user experience.

[0036] When the controller receives the second fresh air command from the fresh air control button on the remote control, the controller stops the indoor fan and the fresh air module. This allows the air conditioner's fresh air function to be turned off according to actual needs, stopping the introduction of outdoor fresh air into the room. In other words, the fresh air module and the indoor fan can be turned off simultaneously without requiring the user to perform multiple separate operations. This further simplifies the user's control of the air conditioner, eliminating the need for cumbersome and complicated operations and enhancing the user experience.

[0037] It should be noted that both the first and second fresh air commands can be input via the fresh air control button on the remote control. Users can send the first and second fresh air commands to the controller by repeatedly pressing the fresh air control button on the remote control, thereby controlling different operating states of the fresh air module and indoor fan. This allows the air conditioner to cycle between a state where the fresh air module operates at a preset fresh air speed and the indoor fan operates at the first indoor fan speed, and a state where the indoor fan stops running and the fresh air module stops running. There is no need to set different buttons on the remote control or use different buttons to control the fresh air module. Instead, a single fresh air control button can be used to control different operating levels of the fresh air module. This results in fewer buttons on the remote control, a simpler interface, and a smaller size. This, in turn, optimizes the structural design of the remote control and even the air conditioner, improving the user experience.

[0038] Therefore, by setting a fresh air control button on the remote control and configuring the controller, the controller can receive the instructions sent by the fresh air control button and selectively control the operation status of the fresh air module and the indoor fan. This not only reduces the number of buttons on the remote control and makes the interface simpler, but also makes the remote control smaller, thereby optimizing the structural design of the remote control and even the air conditioner. Furthermore, it improves the compatibility between the fresh air module and the indoor fan. When the air conditioner starts the fresh air function, it can simultaneously meet the indoor users' requirements for indoor air freshness and comfort, thus enhancing the user experience.

[0039] Furthermore, the controller is configured to: receive the first fresh air command from the fresh air control button on the remote control, and control the air guide plate to open at an angle to prevent cold air. Specifically, when the controller receives the first fresh air command from the fresh air control button on the remote control, it controls the fresh air module to operate at a preset fresh air speed, and controls the indoor fan to operate at a first indoor fan speed. Outdoor fresh air can flow into the room through the air outlet. This outdoor fresh air may blow directly onto the indoor users, causing discomfort. By further configuring the controller, after receiving the first fresh air command from the fresh air control button on the remote control, the controller controls the air guide plate to open at an angle to prevent cold air. This ensures that outdoor fresh air can be introduced into the room to achieve air exchange between indoors and outdoors, while keeping the air guide plate in a suitable position to prevent outdoor fresh air from blowing directly onto the indoor users and affecting their lives or rest. This allows users to keep the fresh air module running for extended periods, ensuring continuous fresh indoor air. This further addresses the indoor users' requirements for indoor air quality and comfort, improving their user experience.

[0040] Furthermore, the controller can be configured to: receive a second fresh air command from the fresh air control button on the remote control and control the air guide plate to close. Specifically, when the controller receives the second fresh air command from the remote control's fresh air control button, corresponding to stopping the indoor fan and stopping the fresh air module, dust and other foreign objects in the indoor environment may enter the interior of the air conditioner's indoor unit through the air outlet. This can affect the normal operation of components such as the indoor fan and indoor heat exchanger. By further configuring the controller, after receiving the second fresh air command from the remote control's fresh air control button, the controller can control the air guide plate to close. This allows the air guide plate to close the air outlet, preventing foreign objects from entering the interior of the air conditioner's indoor unit when the air conditioner is not working. This ensures the normal operation of all components inside the air conditioner's indoor unit and improves the structural reliability of the air conditioner.

[0041] The controller can be configured to: when the fresh air module is running, receive commands from the remote control related to any of the main functions (cooling / heating / air supply / dehumidification), control the corresponding main function to start operating, control the indoor fan and air guide to switch to operation according to the requirements of the corresponding main function, and maintain the speed of the fresh air module. Specifically, when the air conditioner is running the fresh air module to introduce outdoor fresh air into the room and improve indoor air quality, the user can also input commands related to any of the main functions (cooling / heating / air supply / dehumidification) via the remote control according to actual needs. The controller can receive the commands and control the corresponding main function to start operating. Specifically, the controller can control the indoor fan and air guide to switch to operation according to the requirements of the corresponding main function, and maintain the speed of the fresh air module. This allows the fresh air module and main functions to operate simultaneously, preventing the operation of the fresh air module from affecting the operation of the main functions. This can meet the diverse usage needs of users in different scenarios, allowing users to satisfy other main function requirements while receiving fresh air, further enhancing the user experience.

[0042] The controller can also be configured to: when the air conditioner's main function is running, acquire a third fresh air command from the remote control, and control the fresh air module to enter a speed-following mode. The speed of the fresh air module is correlated with the speed of the indoor fan, and the fresh air module operates according to a preset speed mapping relationship. Specifically, when the air conditioner's main function is running, the user can input a third fresh air command into the remote control. Through further configuration of the controller, the controller can acquire the third fresh air command and correspondingly control the fresh air module to enter a speed-following mode, thus correlating the speed of the fresh air module with the speed of the indoor fan. This achieves a correlation between the operating states of the fresh air module and the indoor fan, making the operating states of the fresh air module and the indoor fan more matched without affecting the normal operation of the air conditioner's main function. This optimizes the air conditioner's control logic and improves its performance.

[0043] Furthermore, a preset speed mapping relationship can be stored in the controller. When the controller controls the fresh air module to run at a speed associated with the indoor fan speed, the controller can determine the speed of the fresh air module based on the indoor fan speed through the preset speed mapping relationship. This allows the speed of the fresh air module to be associated with the speed of the indoor fan, making the determination of the fresh air module speed simpler and more reliable. As a result, while ensuring the normal introduction of outdoor fresh air and improving indoor air quality, the control logic of the air conditioner for the fresh air module is simpler and more reliable, resulting in better air conditioner performance.

[0044] Furthermore, the indoor fan has multiple speed settings, and the fresh air module has multiple speed settings. The preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high. Specifically, the fresh air module has multiple speed settings. When the fresh air module operates at different speed settings, its efficiency and the amount of outdoor fresh air it introduces vary. Similarly, the indoor fan has multiple speed settings. When the indoor fan operates at different speed settings, the efficiency of the indoor unit varies, its ability to deliver outdoor fresh air varies, and its effect on indoor temperature regulation also varies. By setting a preset speed mapping relationship, the multiple speed settings of the indoor fan correspond one-to-one with the multiple speed settings of the fresh air module from low to high. This allows the controller to find the corresponding fresh air module speed setting based on any indoor fan speed setting, improving the matching between the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module. This makes the setting of the fresh air module's speed settings more reasonable, improves the sensitivity and reliability of the fresh air module's speed switching, and further optimizes the controller's control logic for the fresh air module, making the operation of the fresh air module and the indoor fan more coordinated, thus improving the performance of the air conditioner.

[0045] Combination Figures 2-5 As shown, the fresh air control method for an air conditioner according to an embodiment of the present invention may include the following steps:

[0046] S1. Air conditioner is turned on;

[0047] S2. Obtain the first fresh air command from the fresh air control button on the remote control, control the fresh air module to run at the preset fresh air speed, control the indoor fan to run at the first indoor fan speed, and control the air guide plate to open at the anti-cold air angle;

[0048] S3. Obtain the second fresh air command from the fresh air control button on the remote control, control the indoor fan to stop running, control the fresh air module to stop running, and control the air guide plate to close.

[0049] Specifically, when the air conditioner is turned on and the indoor fan is off, the user can send a command to the controller via the fresh air control button on the remote control. The controller can receive the command from the fresh air control button on the remote control and selectively control the operation of the fresh air module and the indoor fan.

[0050] When a user inputs the first fresh air command via the fresh air control button on the remote control, the controller can receive the command and control the fresh air module to operate at a preset fresh air speed, as well as control the indoor fan to operate at the first indoor fan speed. This allows outdoor fresh air to be introduced into the room and can also be delivered to more distant locations within the room via the indoor fan, thereby improving the air exchange performance of the air conditioner. This also makes the controller's control of the air conditioner's operating status simpler and more reliable, and makes the fresh air control method of the air conditioner simpler and more reliable.

[0051] After the user inputs the first fresh air command via the fresh air control button on the remote control, they can further input a second fresh air command via the same button. The controller can receive the second fresh air command and control the indoor fan and the fresh air module to stop operating. In this way, the user can simultaneously shut down the fresh air module and the indoor fan according to actual needs, stopping the introduction of outdoor fresh air into the room without the need for the user to perform multiple separate operations. This makes the controller's control of the operating status of the fresh air module and the indoor fan simpler and more reliable, and makes the fresh air control method of the air conditioner simpler and more reliable.

[0052] Combination Figure 2 and Figure 6 As shown, the fresh air control method for an air conditioner according to an embodiment of the present invention may further include the following steps: S4, when the fresh air module is running, acquiring the instruction related to any of the main functions "cooling / heating / air supply / dehumidification" sent by the remote control, controlling the corresponding main function to start running, controlling the indoor fan and air guide plate to switch to operation according to the corresponding main function requirements, and controlling the speed of the fresh air module to remain unchanged. Specifically, when the fresh air module of the air conditioner is running, when the user wants to turn on any of the main functions "cooling / heating / air supply / dehumidification" of the air conditioner, they can input the instruction related to the main function through the remote control. The controller can acquire the instruction and control the corresponding main function to start running. Specifically, the controller can control the indoor fan and air guide plate to switch to operation according to the corresponding main function requirements, and control the speed of the fresh air module to remain unchanged, thereby simultaneously satisfying the user's needs for fresh air exchange and any of the "cooling / heating / air supply / dehumidification" requirements, thus improving the fresh air control method of the air conditioner, meeting the user's various usage needs in different scenarios, and enhancing the user experience.

[0053] Combination Figure 2 and Figure 7 According to an embodiment of the present invention, the fresh air control method for an air conditioner may further include the following steps: S5, when the main function of the air conditioner is in operation, a third fresh air command from the remote control is obtained, and the fresh air module is controlled to enter the speed following mode, wherein the speed of the fresh air module is related to the speed of the indoor fan, and the fresh air module is controlled to operate according to a preset speed mapping relationship.

[0054] Specifically, when the air conditioner's main function is running and the user wants to turn on the fresh air module, they can input a third fresh air command via the remote control. The controller can receive the third fresh air command and correspondingly control the fresh air module to enter the speed following mode. The fresh air module will then operate according to a preset speed mapping relationship, which will link the speed of the fresh air module with the speed of the indoor fan. This not only satisfies the user's needs for fresh air exchange and any of the "cooling / heating / air supply / dehumidification" requirements, but also improves the air conditioner's fresh air control method, meets the user's diverse usage needs in different scenarios, and makes the operation of the fresh air module more matched with the operation of the air conditioner's main function, thus improving the air conditioner's performance.

[0055] In this way, the fresh air module and indoor fan can be controlled to work in different operating states of the air conditioner. The main functions of the fresh air module and the indoor unit of the air conditioner can be integrated. This not only allows the fresh air module and the main function to be interconnected, but also allows them to be independent of each other. This optimizes the controller's control logic for the fresh air module and the indoor unit of the air conditioner, and further optimizes the fresh air control method of the air conditioner, making the fresh air control method more flexible and reliable, and able to meet different user needs.

[0056] Furthermore, the indoor fan has multiple speed settings, and the fresh air module also has multiple speed settings. The preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high. With this setting, when the fresh air module is running in accordance with the main function's operating state, the controller can find the corresponding speed setting of the fresh air module based on any indoor fan speed setting through the preset speed mapping relationship. This improves the matching between the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module, making the operation of the fresh air module and the operation of the indoor fan more coordinated. This further optimizes the controller's control logic for the fresh air module, making the fresh air control method of the air conditioner more scientific and reasonable.

[0057] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0058] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0059] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air conditioner, characterized in that, include: The outdoor unit of the air conditioner includes: Outdoor unit casing; An outdoor heat exchanger is installed inside the outdoor unit casing; An outdoor fan is installed inside the outdoor unit casing. The operation of the outdoor fan introduces the airflow outside the outdoor unit casing into the outdoor unit casing, and the airflow is heat-exchanged through the outdoor heat exchanger to form a heat exchange airflow. The heat exchange airflow is output to the outside of the outdoor unit casing under the drive of the outdoor fan. The indoor unit of an air conditioner includes: An indoor unit housing, wherein the indoor unit housing is provided with an air outlet, and the air outlet is provided with an air guide plate; An indoor heat exchanger is installed inside the indoor unit casing, and the indoor heat exchanger and the outdoor heat exchanger form a refrigerant circulation loop; An indoor fan is installed inside the indoor unit casing. The operation of the indoor fan introduces airflow from outside the indoor unit casing into the indoor unit casing, and the airflow is heat-exchanged through the indoor heat exchanger to form a heat exchange airflow. The heat exchange airflow is output to the outside of the indoor unit casing under the drive of the indoor fan. A fresh air module, wherein the fresh air module is used to introduce fresh air from outdoors into the indoor environment; A remote control, wherein the remote control is equipped with fresh air control buttons; The controller is electrically connected to the remote controller, the indoor fan, the air guide plate, and the fresh air module, respectively, and is configured to: When the air conditioner is turned on and the indoor fan is turned off, a first fresh air command is obtained from the fresh air control button on the remote control, and the fresh air module is controlled to run at a preset fresh air speed, and the indoor fan is controlled to run at a first indoor fan speed; a second fresh air command is obtained from the fresh air control button on the remote control, and the indoor fan is controlled to stop running, and the fresh air module is controlled to stop running.

2. The air conditioner according to claim 1, characterized in that, The controller is configured to: The system obtains the first fresh air command from the fresh air control button on the remote control and controls the air guide plate to open at the anti-cold air angle.

3. The air conditioner according to claim 1, characterized in that, The controller is configured to: Obtain the second fresh air command from the fresh air control button on the remote control, and control the air guide plate to close.

4. The air conditioner according to claim 1, characterized in that, The controller is configured to: when the fresh air module is running, acquire any instruction related to the main function "cooling / heating / air supply / dehumidification" sent by the remote controller, control the corresponding main function to start running, control the indoor fan and the air guide plate to switch to run according to the requirements of the corresponding main function, and control the speed of the fresh air module to remain unchanged.

5. The air conditioner according to claim 4, characterized in that, The controller is configured to: when the main function of the air conditioner is in operation, acquire the third fresh air command from the remote control, control the fresh air module to enter the speed following mode, wherein the speed of the fresh air module is associated with the speed of the indoor fan, and control the fresh air module to operate according to a preset speed mapping relationship.

6. The air conditioner according to claim 5, characterized in that, The indoor fan has multiple speed settings, the fresh air module has multiple speed settings, and the preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high.

7. A method for controlling fresh air in an air conditioner, characterized in that, include: The air conditioner is turned on; The system receives the first fresh air command from the fresh air control button on the remote control, controls the fresh air module to run at the preset fresh air speed, controls the indoor fan to run at the first indoor fan speed, and controls the air guide plate to open at the anti-cold air angle. The system obtains a second fresh air command from the fresh air control button on the remote control, controls the indoor fan to stop running, controls the fresh air module to stop running, and controls the air guide plate to close.

8. The fresh air control method for an air conditioner according to claim 7, characterized in that, Also includes: When the fresh air module is running, it receives any instruction related to the main function "cooling / heating / air supply / dehumidification" sent by the remote control, controls the corresponding main function to start running, controls the indoor fan and the air guide plate to switch to operate according to the requirements of the corresponding main function, and controls the speed of the fresh air module to remain unchanged.

9. The fresh air control method for an air conditioner according to claim 7, characterized in that, When the main function of the air conditioner is in operation, a third fresh air command is obtained from the remote control, and the fresh air module is controlled to enter the speed following mode. The speed of the fresh air module is related to the speed of the indoor fan, and the fresh air module is controlled to operate according to a preset speed mapping relationship.

10. The fresh air control method for an air conditioner according to claim 7, characterized in that, The indoor fan has multiple speed settings, the fresh air module has multiple speed settings, and the preset speed mapping relationship is as follows: the multiple speed settings of the indoor fan and the multiple speed settings of the fresh air module correspond one-to-one from low to high.

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