Air conditioner control device, system, method and computer program product

Abstract

The invention is suitable for the technical field of air conditioner control, and provides an air conditioner control device, system and method and a computer program product, and the method comprises the steps that the air dew point temperature of an indoor unit is determined, the fan output capacity of the indoor unit is improved under the condition that the air dew point temperature of the indoor unit meets the preset temperature condition, and in addition, the fan output capacity of the indoor unit is improved. And under the condition that the fan output capacity of the indoor unit meets the preset fan output condition, the opening degree of a water outlet valve of the outdoor unit is adjusted according to the water outlet temperature of the outdoor unit. The temperature of the indoor unit can be increased by improving the fan output capacity of the indoor unit, the indoor unit is prevented from generating condensation water, and under the condition that the fan output capacity of the indoor unit meets the preset fan output condition, the opening degree of the water outlet valve of the outdoor unit is adaptively adjusted according to the water outlet temperature of the outdoor unit, and the condensation prevention effect is improved.

Description

Technical Field

[0001] The present application belongs to the field of air conditioning control technology, and in particular, relates to an air conditioning control device, system, method and computer program product. Background Art

[0002] The air conditioning system consists of an indoor unit and an outdoor unit. During normal operation, the indoor unit may cause the air temperature to be lower and the relative humidity to be higher due to cooling or dehumidification, which may cause condensation on the surface or inside of the indoor unit, affecting the cooling effect.

[0003] At present, the anti-condensation treatment of air-conditioning systems is mainly achieved by adjusting the operating status of the indoor unit or outdoor unit separately after the air-conditioning system has been running for a period of time, for example, increasing the outlet air temperature of the indoor unit, or fixing the operating power of the outdoor unit compressor, etc. However, in a multi-connected air-conditioning system, one outdoor unit often drives multiple indoor units, and the adjusted operating status of the indoor unit or indoor unit is not compatible, which affects the operation of the entire air-conditioning system and leads to poor anti-condensation effect of the entire air-conditioning system. Summary of the invention

[0004] The embodiments of the present application provide an air conditioning control device, system, method and computer program product, which can solve the problem of poor anti-condensation effect of the air conditioning system.

[0005] In a first aspect, an embodiment of the present application provides an air conditioning control device, including an indoor unit controller applied to an indoor unit, and an outdoor unit controller applied to an outdoor unit, wherein the indoor unit controller and the outdoor unit controller are communicatively connected, wherein:

[0006] The indoor unit controller is configured as follows:

[0007] Determine the air dew point temperature of the indoor unit, and when the air dew point temperature of the indoor unit meets a preset temperature condition, increase the fan output capacity of the indoor unit; wherein the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control;

[0008] The outdoor unit controller is configured as follows:

[0009] When the fan output capacity of the indoor unit meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the outlet water temperature of the outdoor unit, wherein the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

[0010] In a second aspect, an embodiment of the present application provides an air conditioning control system, including an outdoor unit and at least one indoor unit, wherein:

[0011] The indoor unit comprises a first acquisition module, and an indoor unit controller as described in the first aspect and connected to the first acquisition module in communication; the first acquisition module is used to acquire indoor environmental data of the indoor unit, and the indoor unit controller is used to adjust the operating state of the indoor unit according to the indoor environmental data acquired by the first acquisition module, wherein the indoor environmental data includes indoor temperature and humidity;

[0012] The outdoor unit comprises a second acquisition module, and an outdoor unit controller as described in the first aspect, which is communicatively connected to the second acquisition module; the second acquisition module is used to acquire outdoor environmental data of the outdoor unit, and the outdoor unit controller is used to adjust the operating state of the outdoor unit according to the outdoor environmental data acquired by the second acquisition module, wherein the outdoor environmental data includes outdoor temperature and humidity;

[0013] Wherein, the indoor unit controller and the outdoor unit controller are communicatively connected.

[0014] In a third aspect, an embodiment of the present application provides an air conditioning control method, which is applied to the air conditioning control system as described in the second aspect, comprising:

[0015] For any of the indoor units, determine the air dew point temperature of the indoor unit, and when the air dew point temperature of the indoor unit meets a preset temperature condition, increase the fan output capacity of the indoor unit, wherein the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control;

[0016] When it is detected that the fan output capacity of at least one of the indoor units meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the outlet water temperature of the outdoor unit, wherein the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

[0017] In a fourth aspect, an embodiment of the present application provides an air conditioning control device, comprising a unit for executing the air conditioning control method in the third aspect.

[0018] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, wherein the computer storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the air conditioning control method described in the third aspect are implemented.

[0019] In a sixth aspect, an embodiment of the present application provides a computer program product. When the computer program product is run on an electronic device, the electronic device executes the air conditioning control method described in the third aspect above.

[0020] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0021] The present application determines the air dew point temperature of the indoor unit through the indoor unit controller. Since the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control, when the air dew point temperature of the indoor unit meets the preset temperature condition, the outlet air temperature of the indoor unit is correspondingly increased by increasing the fan output capacity of the indoor unit, thereby avoiding low air temperature and achieving anti-condensation of the indoor unit. At the same time, since the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control, the outdoor unit controller connected to the indoor unit controller in communication with the indoor unit controller adjusts the outlet water valve opening of the outdoor unit according to the outlet water temperature of the outdoor unit when determining that the fan output capacity of the indoor unit meets the preset fan output condition, thereby adjusting the outlet water valve opening of the outdoor unit in a targeted manner, and the adjusted outlet water valve opening will react to all indoor units connected to the outdoor unit during the subsequent operation of the outdoor unit. Therefore, by communicating with the indoor unit controller and the outdoor unit controller, the operating status of the indoor unit and the operating status of the outdoor unit can be adapted in time, thereby achieving unified anti-condensation control inside and outside and improving the anti-condensation effect of the air-conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 is a schematic diagram of an operation scenario between an air conditioning control device and a control apparatus provided in an embodiment of the present application;

[0024] Figure 2 exemplarily shows a block diagram of a configuration of a control device 100 according to an exemplary embodiment;

[0025] Figure 3 exemplarily shows a block diagram of a configuration of an outdoor unit controller 201 and / or an indoor unit controller 202 according to an exemplary embodiment;

[0026] Figure 4 exemplarily shows a system block diagram in an outdoor unit controller 201 and / or an indoor unit controller 202 according to an exemplary embodiment;

[0027] Figure 5 is a schematic diagram of a heat pipe air conditioning system provided by an embodiment of the present application;

[0028] Figure 6 is a system schematic diagram of a heat pipe air conditioning system in which an outdoor unit and one of the heat pipe indoor units are connected in an embodiment of the present application;

[0029] Figure 7 It is a timing interaction diagram of an outdoor unit controller and an indoor unit controller in an air conditioning control device provided in an embodiment of the present application;

[0030] Figure 8 is a functional architecture diagram of an air conditioning control system provided by an embodiment of the present application;

[0031] Fig. 9 A schematic diagram of a flow chart of an air conditioning control method provided in an embodiment of the present application is shown;

[0032] Fig.10 A schematic structural diagram of an air conditioning control device provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0033] The following embodiments are described in detail, and examples thereof are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following embodiments do not represent all implementations consistent with the present application. They are only examples of systems and methods consistent with some aspects of the present application as detailed in the claims.

[0034] It should be noted that the brief description of terms in this application is only for the convenience of understanding the embodiments described below, and is not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their common and usual meanings.

[0035] The terms "first", "second", "third", etc. in the specification and claims of this application and the above drawings are used to distinguish similar or similar objects or entities, and do not necessarily mean to limit a specific order or sequence, unless otherwise noted. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0036] The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover but not exclude inclusion, for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0037] The term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and / or software code that is capable of performing the functions associated with that element.

[0038] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0039] Figure 1 A schematic diagram showing an operation scenario between an air conditioning control device and a control device provided in some embodiments of the present application is shown. Figure 1 As shown, the air conditioning control device 200 includes an outdoor unit controller 201 and an indoor unit controller 202 that are communicatively connected, and a user can operate the outdoor unit controller 201 and / or the indoor unit controller 202 through a smart device 300 or a control apparatus 100 .

[0040] In some embodiments, the control device 100 may be a remote controller, and the communication between the remote controller and the outdoor unit controller 201 and / or the indoor unit controller 202 includes infrared protocol communication or Bluetooth protocol communication, and other short-distance communication methods, and the outdoor unit controller 201 and / or the indoor unit controller 202 are controlled wirelessly or wired. The user can input user commands through buttons on the remote controller, voice input, control panel input, etc. to control the outdoor unit controller 201 and / or the indoor unit controller 202.

[0041] In some embodiments, a smart device 300 (such as a mobile terminal, a tablet computer, a computer, a laptop computer, etc.) can also be used to control the outdoor unit controller 201 and / or the indoor unit controller 202. For example, the outdoor unit controller 201 and / or the indoor unit controller 202 is controlled using an application running on the smart device.

[0042] In some embodiments, the outdoor unit controller 201 and / or the indoor unit controller 202 may not use the above-mentioned smart device or control apparatus to receive instructions, but may receive user control through buttons, touch or gestures.

[0043] In some embodiments, the outdoor unit controller 201 and / or the indoor unit controller 202 can also be controlled in a manner other than the control device 100 and the smart device 300. For example, the user's voice command control can be directly received through a module for obtaining voice commands configured inside the outdoor unit controller 201 and / or the indoor unit controller 202, or the user's voice command control can be received through a voice control device set outside the outdoor unit controller 201 and / or the indoor unit controller 202.

[0044] In some embodiments, the outdoor unit controller 201 and / or the indoor unit controller 202 also communicate data with the server 400. The outdoor unit controller 201 and / or the indoor unit controller 202 may be allowed to communicate via a local area network (LAN), a wireless local area network (WLAN), and other networks. The server 400 may provide various contents and interactions to the outdoor unit controller 201 and / or the indoor unit controller 202. The server 400 may be one cluster or multiple clusters, and may include one or more types of servers.

[0045] Figure 2 Schematically shows a block diagram of a configuration of the control device 100 according to an exemplary embodiment. Figure 2 As shown, the control device 100 includes a controller 110, a communication interface 130, a user input / output interface 140, a memory, and a power supply. The control device 100 can receive an input operation instruction from a user, and convert the operation instruction into an instruction that can be recognized and responded to by the outdoor unit controller 201 and / or the indoor unit controller 202, and plays the role of an interactive intermediary between the user and the outdoor unit controller 201 and / or the indoor unit controller 202.

[0046] Figure 3 The configuration block diagram of the outdoor unit controller 201 and / or the indoor unit controller 202 according to the exemplary embodiment is exemplarily shown. Figure 3 As shown, the outdoor unit controller 201 or the indoor unit controller 202 includes a display 260 and at least one of a tuner 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, an audio output interface 270, a memory, a power supply, and a user interface.

[0047] In some embodiments, the controller includes a processor, a video processor, an audio processor, a graphics processor, a RAM, a ROM, and a first interface to an nth interface for input / output.

[0048] The display 260 includes a display component for presenting a display image, a backlight component for providing a light source, and a driving component for driving an image display to display video content, image content, and a menu control interface component and a user control UI interface.

[0049] Among them, the display component can be a liquid crystal panel, which is composed of a liquid crystal molecule layer and electrodes that control the arrangement of liquid crystal molecules. The liquid crystal panel displays images by controlling the transmission and blocking of light. The backlight component, that is, the backlight source, is located behind or on the side of the liquid crystal panel to provide light. The backlight component can be an LED light source, a miniLED light source, etc., to provide higher brightness and better color performance.

[0050] The display 260 may also include a regional light control component to achieve local dimming; the regional light control component is used to control each backlight area in the backlight assembly. The regional light control component may be composed of multiple circuits that independently control the backlight areas, and the brightness of each backlight area can be adjusted in real time according to the displayed image content.

[0051] The display 260 may be a liquid crystal display (LCD), an LED display, a 3D display, or the like.

[0052] The communicator 220 is a component for communicating with an external device or server according to various communication protocol types. For example, the communicator may include at least one of a Wifi module, a Bluetooth module, a wired Ethernet module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The outdoor unit controller 201 or the indoor unit controller 202 can establish the transmission and reception of control signals and data signals with the control device 100 or the server 400 through the communicator 220.

[0053] The user interface can be used to receive control signals from the control device 100 (such as an infrared remote controller, etc.).

[0054] The detector 230 is used to collect signals from the external environment or the external interaction. For example, the detector 230 includes a light receiver, a sensor for collecting the intensity of ambient light; or, the detector 230 includes an image collector, such as a camera, which can be used to collect external environment scenes, user attributes or user interaction gestures; or, the detector 230 includes a sound collector, such as a microphone, etc., for receiving external sounds.

[0055] The external device interface 240 may include, but is not limited to, any one or more of the following interfaces: a high-definition multimedia interface (HDMI), an analog or digital high-definition component input interface (component), a composite video input interface (CVBS), a USB input interface (USB), an RGB port, etc. It may also be a composite input / output interface formed by the above multiple interfaces.

[0056] The tuner-demodulator 210 receives broadcast television signals via wired or wireless reception, and demodulates audio and video signals, such as EPG data signals, from a plurality of wireless or wired broadcast television signals.

[0057] In some embodiments, the controller 250 and the tuner-demodulator 210 may be located in different separate devices, that is, the tuner-demodulator 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box.

[0058] The controller 250 controls the operation of the outdoor unit controller or the indoor unit controller and responds to the user's operation through various software control programs stored in the memory. The controller 250 controls the overall operation of the outdoor unit controller 201 or the indoor unit controller 202. For example, in response to receiving a user command for selecting a UI object to be displayed on the display 260, the controller 250 can perform an operation related to the object selected by the user command.

[0059] In some embodiments, the controller includes a central processing unit (CPU), a video processor, an audio processor, a graphics processing unit (GPU), RAM Random Access Memory (RAM), ROM (Read-Only Memory, ROM), a first interface to an nth interface for input / output, a communication bus (Bus), etc.

[0060] The user may input a user command through a graphical user interface (GUI) displayed on the display 260, and the user input interface receives the user input command through the graphical user interface (GUI). Alternatively, the user may input a user command through a specific sound or gesture, and the user input interface recognizes the sound or gesture through a sensor to receive the user input command.

[0061] "User interface" is the medium interface for interaction and information exchange between applications or operating systems and users. It realizes the conversion between the internal form of information and the form acceptable to users. The commonly used form of user interface is the Graphical User Interface (GUI), which refers to the user interface related to computer operation displayed in a graphical way. It can be an interface element such as an icon, window, control, etc. displayed on the display screen of an electronic device, where the control can include icons, buttons, menus, tabs, text boxes, dialog boxes, status bars, navigation bars, widgets, etc.

[0062] Figure 4 Schematically shows a system block diagram of an outdoor unit controller 201 and / or an indoor unit controller 202 according to an exemplary embodiment. Figure 4As shown, in some embodiments, the system is divided into four layers, from top to bottom, namely, the application layer (Applications) layer (referred to as "application layer"), the application framework layer (Application Framework) layer (referred to as "framework layer"), the Android runtime (Android runtime) and system library layer (referred to as "system runtime library layer"), and the kernel layer.

[0063] In some embodiments, at least one application is running in the application layer, and these applications can be window programs, system settings programs, clock programs, etc. provided by the operating system, or applications developed by third-party developers. In specific implementations, the application packages in the application layer are not limited to the above examples.

[0064] The framework layer provides application programming interfaces (APIs) and programming frameworks for applications. The application framework layer includes some predefined functions. The application framework layer is equivalent to a processing center that determines the actions that applications in the application layer take. Through the API interface, applications can access system resources and obtain system services during execution.

[0065] like Figure 4 As shown, in the embodiment of the present application, the application framework layer includes managers, content providers, etc., wherein the manager includes at least one of the following modules: an activity manager (ActivityManager) is used to interact with all activities running in the system; a location manager (Location Manager) is used to provide system services or applications with access to system location services; a package manager (Package Manager) is used to retrieve various information related to the application package currently installed on the device; a notification manager (NotificationManager) is used to control the display and clearing of notification messages; a window manager (Window Manager) is used to manage icons, windows, toolbars, wallpapers, and desktop components on the user interface.

[0066] In some embodiments, the activity manager is used to manage the life cycle of each application and the common navigation back function, such as controlling the exit, opening, and back of the application. The window manager is used to manage all window programs, such as obtaining the display screen size, determining whether there is a status bar, locking the screen, capturing the screen, and controlling the display window changes (for example, reducing the display window, shaking the display, distorting the display, etc.).

[0067] In some embodiments, the system runtime layer provides support for the upper layer, namely the framework layer. When the framework layer is used, the Android operating system will run the C / C++ library contained in the system runtime layer to implement the functions to be implemented by the framework layer.

[0068] In some embodiments, the kernel layer is a layer between hardware and software. Figure 4 As shown, the kernel layer includes at least one of the following drivers: audio driver, display driver, Bluetooth driver, camera driver, WIFI driver, USB driver, HDMI driver, sensor driver (such as fingerprint sensor, temperature sensor, pressure sensor, etc.), and power driver, etc.

[0069] In some related technologies, the air conditioning system can realize various adjustment modes through the circulation of refrigerant in the outdoor unit and indoor unit, such as cooling mode, heating mode, dehumidification mode, etc., and is widely used in daily office, industrial manufacturing and other fields. Figure 5 The heat pipe air conditioning system shown in the figure includes an outdoor unit and at least one heat pipe indoor unit. In the cooling mode, the low-temperature cooling water on the water inlet side of the outdoor unit cools down and condenses the refrigerant into liquid, and transmits it to different heat pipe indoor units through the main pipe 1. Each heat pipe indoor unit completes heat exchange through the liquid refrigerant to reduce the outlet air temperature. In this process, the liquid refrigerant in each heat pipe indoor unit absorbs heat and evaporates to be converted into gaseous refrigerant, and rises to the main pipe 2, and returns to the outdoor unit through the main pipe 2 to complete a cycle. The outlet side of the outdoor unit can discharge the condensed water generated by the cycle.

[0070] During the normal operation of the air conditioning system, the indoor unit may cause the air temperature at the location to be low and / or the relative humidity to be high due to reasons such as refrigeration or dehumidification, thereby causing condensation water to form on the surface or inside of the indoor unit, affecting the refrigeration effect and the life of the air conditioning system, and may even cause damage to the air conditioning system. At present, the anti-condensation control of the air conditioning system mainly puts the indoor unit or outdoor unit into the anti-condensation mode after the air conditioning system has been running for a period of time, and the anti-condensation mode is used to separately adjust the operating state of the indoor unit or outdoor unit to achieve anti-condensation. For example, the above-mentioned anti-condensation mode includes increasing the outlet air temperature of the indoor unit, or fixing the operating power of the outdoor unit compressor, etc.

[0071] However, since the current air conditioning system is mainly a "one-to-many" air conditioning system, one outdoor unit often drives multiple indoor units. Figure 5 When the operating status of a certain indoor unit is adjusted separately, if the operating status of the corresponding outdoor unit is not adjusted, the anti-condensation effect of the indoor unit may be affected; when the operating status of the outdoor unit is adjusted separately, it will react on all indoor units, making it difficult to adapt to the operating status of the indoor unit, which will also affect the anti-condensation effect of the indoor unit.

[0072] Therefore, the above anti-condensation control method adjusts the indoor unit or the outdoor unit in the air-conditioning system in isolation, resulting in poor anti-condensation effect of the air-conditioning system.

[0073] In order to improve the anti-condensation effect of the air-conditioning system, the present application provides an air-conditioning control device, including an indoor unit controller applied to the indoor unit, and an outdoor unit controller applied to the outdoor unit, the indoor unit controller and the outdoor unit controller are communicatively connected, wherein: the indoor unit controller determines the air dew point temperature of the indoor unit, and when it is determined that the air dew point temperature of the indoor unit meets the preset temperature condition, the fan output capacity of the indoor unit is increased; when it is determined that the fan output capacity of the indoor unit meets the preset fan output condition, the outdoor unit controller adjusts the opening of the outdoor unit's water outlet valve according to the outdoor unit's water outlet temperature.

[0074] The air conditioning control device comprises an indoor unit controller applied to an indoor unit and an outdoor unit controller applied to an outdoor unit. The indoor unit controller is communicatively connected with the outdoor unit controller. Figure 6 Shows Figure 5 Schematic diagram of a system in which the outdoor unit is connected to one of the heat pipe indoor units, wherein the outdoor unit mainly includes a cooling heat exchanger, a two-way flow valve, a water inlet temperature sensor, a water outlet temperature sensor, a refrigerant inlet temperature sensor, a refrigerant outlet temperature sensor and an outdoor unit controller; the heat pipe indoor unit mainly includes an evaporator, at least one evaporating fan, an evaporator inlet temperature sensor, an evaporator outlet temperature sensor, at least one outlet air temperature / humidity sensor, at least one return air temperature / humidity sensor and an outdoor unit controller.

[0075] Optionally, the cooling heat exchanger can be a plate heat exchanger, a shell and tube heat exchanger, etc., for realizing heat exchange between cooling water and refrigerant. The outlet valve can be a two-way valve, a ball valve, etc.

[0076] Figure 7 FIG. 1 shows a timing interaction diagram of an outdoor unit controller and an indoor unit controller in an air conditioning control device provided by an embodiment of the present application, such as Figure 7 As shown, the indoor unit controller is configured to perform the following steps:

[0077] A10. Determine the air dew point temperature of the above indoor unit.

[0078] The air dew point temperature refers to the dew point temperature at the location of the indoor unit, which can be obtained by collecting the dew point temperature sensor installed on the indoor unit. Of course, it can also be calculated by collecting environmental data from the temperature and humidity sensors installed on the indoor unit. For example, Figure 6The indoor unit shown can calculate the air dew point temperature on the outlet side through at least one outlet air temperature / humidity sensor, or calculate the air dew point temperature on the return air side through at least one return air temperature / humidity sensor.

[0079] Specifically, the indoor unit controller may obtain the air dew point temperature collected or calculated by the sensor in real time, or may obtain the air dew point temperature at a preset interval.

[0080] A20. Determine whether the air dew point temperature of the indoor unit meets the preset temperature condition.

[0081] The preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control.

[0082] The preset temperature condition may be a determination rule determined according to a preset temperature threshold or a preset temperature threshold range. The preset temperature condition may be used to determine whether the indoor unit performs a primary anti-condensation control mode, and the primary anti-condensation control mode is used to adjust the fan output capacity of the indoor unit. The fan output capacity may be adjusted accordingly by adjusting the fan operating state parameters, and the fan operating state parameters may include at least one of the following: fan speed, fan operating power, fan operating time, etc.

[0083] In some embodiments, the above-mentioned first-level anti-condensation control mode can adjust the fan output capacity of the indoor unit in at least one of the following ways: adjusting the fan speed, adjusting the fan operating time, adjusting the fan operating power, etc.

[0084] Specifically, assuming that the preset temperature condition is a judgment rule determined according to a preset temperature threshold, the preset temperature threshold may be the inlet temperature of the evaporator. When the air dew point temperature of the indoor unit is greater than or equal to the inlet temperature, it can be determined that the preset temperature condition is met, otherwise, it is not met. Of course, in order to avoid the evaporator temperature rising too fast and causing the anti-condensation control to be untimely, the preset temperature threshold may be determined according to the inlet temperature of the evaporator and a preset temperature correction value (which may be determined according to an experiment). For example, the preset temperature threshold may be: the difference between the inlet temperature of the evaporator and the preset temperature correction value (which may be determined according to an experiment). Assuming that the preset temperature condition is a judgment rule determined according to a preset temperature threshold range, when the air dew point temperature falls within the preset temperature threshold range, it can be determined that the preset temperature condition is met, otherwise, it is not met.

[0085] In addition, the preset temperature condition may further include multiple sub-conditions. When the air dew point temperature satisfies multiple sub-conditions at the same time, it can be determined that the preset temperature condition is satisfied, otherwise, it is not satisfied. Optionally, the preset temperature condition may include a first sub-condition and a second sub-condition, wherein the first sub-condition may be a determination rule determined according to a preset temperature threshold or a preset temperature threshold range, and the second sub-condition may be a determination rule determined according to the duration of the air dew point temperature (for example, the duration of the air dew point temperature satisfies the preset duration).

[0086] In some embodiments, when the air dew point temperature of the indoor unit does not meet the preset temperature condition, the process may return to step A10 and perform subsequent steps to continue determining whether the indoor unit needs to perform anti-condensation control.

[0087] It should be noted that in a "one-to-many" air-conditioning system, since there are multiple indoor units, the preset temperature conditions of each indoor unit can be the same or different, thereby improving the flexibility of anti-condensation control of different indoor units in the air-conditioning system.

[0088] In the embodiment of the present application, the determination rules for the indoor unit can be flexibly set through the preset temperature conditions, so that the indoor unit controller can accurately determine whether the indoor unit needs to perform anti-condensation control.

[0089] A30. When the air dew point temperature of the indoor unit meets a preset temperature condition, the fan output capacity of the indoor unit is increased.

[0090] Specifically, when the indoor unit controller determines that the air dew point temperature of the indoor unit meets the preset temperature conditions, it indicates that there is a risk of condensation in the indoor unit and anti-condensation control is required. At this time, the indoor unit controller enters the first-level anti-condensation control mode. The first-level anti-condensation control mode is used to increase the fan output capacity of the indoor unit, thereby increasing the outlet air volume of the indoor unit, thereby increasing the overall temperature of the evaporator in the indoor unit and avoiding the formation of condensation water in the indoor unit (such as fins and air outlets).

[0091] Optionally, the fan output capacity of the indoor unit can be increased by at least one of the following methods: increasing the fan speed, increasing the fan operating power, increasing the fan operating time, etc., so that the overall temperature of the evaporator in the indoor unit is increased to avoid condensation in the indoor unit.

[0092] A40. Determine whether the fan output capacity of the indoor unit meets the preset fan output conditions.

[0093] The preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

[0094] The preset fan output condition may be a determination rule determined according to one or more fan operation state parameters. The preset fan output condition may be used to determine whether the outdoor unit performs a secondary anti-condensation control mode, and the secondary anti-condensation control mode is used to adjust the opening of the water outlet valve of the outdoor unit.

[0095] Specifically, an operating parameter threshold can be set according to the fan operating state parameter, and a corresponding parameter determination rule can be set according to the operating parameter threshold, and a preset fan output condition can be obtained by combining one or more parameter determination rules. For example, the above-mentioned operating parameter threshold can include a preset speed, a preset duration, a preset operating power, etc., and the corresponding parameter determination rule can include: the fan speed reaches the preset speed, the preset duration reaches the preset duration, the fan operating power reaches the preset operating power, etc. When the indoor unit controller determines that the fan operating state parameters of the indoor unit simultaneously meet one or more parameter determination rules in the preset fan output condition, it determines that the fan output capacity of the indoor unit meets the preset fan output condition, otherwise, it does not meet.

[0096] In some embodiments, when the fan output capacity of the indoor unit does not meet the preset fan output condition, the process may return to step A10 and perform subsequent steps to continue determining whether the indoor unit needs to perform anti-condensation control.

[0097] It should also be noted that in a "one-to-many" air-conditioning system, the preset fan output conditions of each indoor unit can be the same or different, thereby improving the flexibility of anti-condensation control of the outdoor unit in the air-conditioning system.

[0098] like Figure 7 As shown, the outdoor unit controller is configured to perform the following steps:

[0099] B10. When the fan output capacity of the indoor unit meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the water outlet temperature of the outdoor unit.

[0100] The outlet valve opening of the outdoor unit can be used to control the cooling water flow rate. The larger the outlet valve opening is, the greater the cooling water flow rate is.

[0101] Specifically, when the outdoor unit controller determines that the fan output capacity of the indoor unit meets the preset fan output conditions, it indicates that the indoor unit still has the risk of condensation and needs the outdoor unit to assist in anti-condensation control. At this time, the outdoor unit controller can enter the secondary anti-condensation control mode, and the secondary anti-condensation control mode can adjust the outlet valve opening of the outdoor unit according to the outlet water temperature of the outdoor unit. The secondary anti-condensation control mode can adjust the outlet valve opening of the outdoor unit in one of the following ways: increase the outlet valve opening, reduce the outlet valve opening, maintain the outlet valve opening unchanged, etc.

[0102] The present application determines the air dew point temperature of the indoor unit through the indoor unit controller. Since the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control, when the air dew point temperature of the indoor unit meets the preset temperature condition, the outlet air temperature of the indoor unit is correspondingly increased by increasing the fan output capacity of the indoor unit, thereby avoiding low air temperature and achieving anti-condensation of the indoor unit. At the same time, since the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control, the outdoor unit controller connected to the indoor unit controller in communication with the indoor unit controller adjusts the outlet water valve opening of the outdoor unit according to the outlet water temperature of the outdoor unit when determining that the fan output capacity of the indoor unit meets the preset fan output condition, thereby adjusting the outlet water valve opening of the outdoor unit in a targeted manner, and the adjusted outlet water valve opening will react to all indoor units connected to the outdoor unit during the subsequent operation of the outdoor unit. Therefore, by communicating with the indoor unit controller and the outdoor unit controller, the operating status of the indoor unit and the operating status of the outdoor unit can be adapted in time, thereby achieving unified anti-condensation control inside and outside and improving the anti-condensation effect of the air-conditioning system.

[0103] In some embodiments, assuming that the indoor unit controller calculates the air dew point temperature through data collected by the temperature and humidity sensor, the indoor unit controller, when determining the air dew point temperature of the indoor unit, includes:

[0104] Obtaining the return air temperature and return air humidity of the indoor unit;

[0105] The air dew point temperature is calculated based on the return air temperature and the return air humidity.

[0106] Specifically, the indoor unit controller can obtain the return air temperature and return air humidity of the indoor unit collected by the return air temperature / humidity sensor in the indoor unit, and then calculate the above return air temperature and return air humidity using a preset dew point temperature calculation formula to obtain the air dew point temperature of the indoor unit.

[0107] Optionally, the above preset dew point temperature calculation formula may be as follows:

[0108] t dew =-35.957-1.8726*ln(p q )+1.1689*[ln(p q )] 2

[0109]

[0110] Among them, t dew is the above air dew point temperature, p q is the water vapor partial pressure, is the saturated water vapor partial pressure, ψ is the return air humidity collected by the return air humidity sensor, Ts is the open wet bulb temperature, Ts=273.15+ts, ts is the return air temperature collected by the return air temperature sensor, C8, C9, C10, C11, C12 and C13 are preset fixed parameters.

[0111] In an optional embodiment, the above preset fixed parameters may be shown in the following table:

[0112] C8 -5800.2206 C9 1.3914993 C10 -0.04860239 C11 4.17648E-05 C12 -1.44521E-08 C13 6.5459673

[0113] In an embodiment of the present application, by collecting the return air temperature and return air humidity of the indoor unit, and then using a preset dew point temperature calculation formula to calculate the air dew point temperature, the air dew point temperature at the location of the indoor unit can be calculated based on the actual environmental data of the indoor unit, thereby improving the accuracy of determining the air dew point temperature.

[0114] In some embodiments, assuming that the first-level anti-condensation control mode adjusts the fan output capacity by adjusting the fan speed, the indoor unit controller increases the fan output capacity of the indoor unit when the air dew point temperature of the indoor unit meets the preset temperature condition, including:

[0115] When a first temperature difference between the inlet temperature of the indoor unit and the air dew point temperature is less than or equal to a preset dew point temperature threshold and lasts for a first preset time, the fan speed of the indoor unit is increased.

[0116] Specifically, the above-mentioned preset dew point temperature threshold can be a preset temperature correction value (which can be determined based on experiments). When the indoor unit controller determines that the first temperature difference between the inlet temperature of the indoor unit and the air dew point temperature is less than or equal to the preset temperature correction value, and the duration reaches the first preset duration, it indicates that there is a risk of condensation in the indoor unit, and the output gear of the fan can be increased, or the fan speed of the above-mentioned indoor unit can be increased by increasing the preset fan output ratio.

[0117] For example, the air dew point temperature at the current location of the indoor unit is calculated by the preset dew point temperature calculation formula. If the inlet temperature of the evaporator is ≤ the air dew point temperature + the preset temperature correction value at this time, and the duration reaches the first preset duration, it is determined that the indoor unit has a condensation risk. The indoor unit controller can automatically increase the fan output ratio by y (for example, y can be 10%), so that the indoor unit fan speed is increased to avoid condensation in the indoor unit.

[0118] It should be noted that in a "one-to-many" air-conditioning system, the increased fan output ratio (for example, y value) and the preset temperature correction value corresponding to each indoor unit can be determined through experiments, and the increased fan output ratio (for example, y value) and the preset temperature correction value corresponding to different indoor units may be the same or different, and are not limited here.

[0119] In the embodiment of the present application, the indoor unit controller can quickly increase the fan output capacity by increasing the fan speed, thereby achieving anti-condensation of the indoor unit.

[0120] In another optional embodiment of the present application, after the fan speed is increased, the indoor unit controller is further configured to perform the following steps:

[0121] When the increased fan speed of the indoor unit does not reach the preset speed, return to the step of obtaining the return air temperature and return air humidity of the indoor unit and subsequent steps until the fan speed of the indoor unit reaches the preset speed.

[0122] The preset speed is less than or equal to the maximum fan speed of the fan in the current indoor unit.

[0123] Specifically, after the indoor unit controller increases the fan speed, it can determine whether the fan speed of the above-mentioned indoor unit reaches the preset speed. When the fan speed does not reach the preset speed, it means that the current indoor unit can still prevent condensation by increasing the fan speed. Therefore, the indoor unit controller can continue to obtain the return air temperature and return air humidity of the indoor unit to obtain a new air dew point temperature, and then determine whether to increase the fan speed according to the new air dew point temperature, and then determine again whether the increased fan speed reaches the preset speed. The above process is repeated continuously until the fan speed of the indoor unit reaches the above-mentioned preset speed.

[0124] In an embodiment of the present application, the indoor unit controller can prevent condensation from occurring in the indoor unit by continuously increasing the fan speed when the fan speed of the indoor unit does not reach a preset speed.

[0125] In some embodiments, when the fan output capacity of the indoor unit meets the preset fan output condition, the indoor unit controller adjusts the opening of the water outlet valve of the outdoor unit according to the outlet water temperature of the outdoor unit, including:

[0126] When the fan speed of the indoor unit reaches a preset speed and the duration reaches a second preset duration, increasing the water outlet temperature setting value of the outdoor unit;

[0127] The opening of the water outlet valve of the outdoor unit is adjusted according to the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit.

[0128] The above-mentioned outlet water temperature setting value is a preset threshold for adjusting the outlet water temperature of the outdoor unit. The outlet water temperature of the outdoor unit can be increased by increasing the above-mentioned outlet water temperature setting value. The outlet water temperature of the outdoor unit can be determined according to the outlet temperature sensor. The higher the outlet water temperature of the indoor unit, the higher the temperature of the coolant for heat exchange therewith, and the lower the anti-condensation risk of the coolant entering the indoor unit, and vice versa.

[0129] Specifically, when the indoor unit controller detects that the fan speed of the indoor unit reaches a preset speed and the duration reaches a second preset duration, the indoor unit controller can send an anti-condensation control instruction to the outdoor unit controller; after receiving the anti-condensation control instruction sent by at least one indoor unit controller, the outdoor unit controller can increase the water outlet temperature setting value of the outdoor unit according to the preset temperature increase threshold, and then adjust the water outlet valve opening of the outdoor unit according to the relationship between the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit. The preset temperature increase threshold can be determined according to experiments.

[0130] Optionally, if the increased outlet water temperature setting value is greater than the current outlet water temperature of the outdoor unit, it means that the current outlet water temperature is low, and the corresponding temperature of the coolant entering the indoor unit is also low, and the risk of condensation prevention is high. At this time, the outlet water valve opening of the outdoor unit can be reduced to reduce the cooling water flow rate and increase the temperature of the coolant entering the indoor unit, thereby reducing the risk of condensation prevention; if the increased outlet water temperature setting value is less than the outlet water temperature of the outdoor unit, it means that the current outlet water temperature is high, and the corresponding coolant temperature is also high, and the risk of condensation prevention is low. At this time, the outlet water valve opening of the outdoor unit can be increased to increase the cooling water flow rate and reduce the temperature of the coolant entering the indoor unit. Of course, if the increased outlet water temperature setting value is equal to the outlet water temperature of the outdoor unit, the outlet water valve opening of the outdoor unit can be maintained unchanged.

[0131] For example, after receiving the anti-condensation control instruction, the outdoor unit controller can set the water outlet temperature setting value (T 设 ) to increase z (i.e., the preset temperature increase threshold, for example, z is 0.5), and then use the increased outlet water temperature setting value (i.e., T 设 +z) and the outlet water temperature of the outdoor unit, and adjust the opening of the outlet valve of the outdoor unit.

[0132] In the embodiment of the present application, since the water outlet temperature of the outdoor unit can reflect the temperature of the coolant entering the indoor unit, when the outdoor unit performs anti-condensation control, the water outlet temperature setting value of the outdoor unit is increased, and the water outlet valve opening of the outdoor unit is adjusted according to the relationship between the increased water outlet temperature setting value and the current water outlet temperature. The temperature of the coolant entering the indoor unit is controlled by adjusting the cooling water flow rate, which can react to all indoor units connected to the outdoor unit, thereby improving the anti-condensation effect of the entire air-conditioning system.

[0133] In some embodiments, in order to more accurately adjust the opening of the water outlet valve, the indoor unit controller adjusts the opening of the water outlet valve of the outdoor unit according to the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit, including:

[0134] Determine a first temperature threshold and a second temperature threshold according to the increased outlet water temperature setting value and a preset water temperature hysteresis threshold, wherein the first temperature threshold is greater than the second temperature threshold;

[0135] When the outlet water temperature of the outdoor unit is greater than or equal to the first temperature threshold, increasing the opening of the outlet water valve of the outdoor unit;

[0136] When the outlet water temperature of the outdoor unit is less than or equal to the second temperature threshold, reducing the opening of the outlet water valve of the outdoor unit;

[0137] When the outlet water temperature of the outdoor unit is greater than the second temperature threshold and less than the first temperature threshold, the opening of the outlet water valve of the outdoor unit is kept unchanged.

[0138] Specifically, since the outlet water temperature of the outdoor unit changes in real time, only using a single outlet water temperature setting value may lead to inaccurate judgment of the relationship between the outlet water temperature setting value and the outlet water temperature of the outdoor unit. Therefore, a first temperature threshold value and a second temperature threshold value less than the first temperature threshold value can be determined according to the increased outlet water temperature setting value and the preset water temperature hysteresis threshold value; then different temperature intervals are determined according to the above-mentioned first temperature threshold value and the second temperature threshold value. When the outlet water temperature of the outdoor unit is in a temperature interval greater than or equal to the first temperature threshold value, the opening of the outlet water valve of the outdoor unit can be increased according to the preset opening value; when the outlet water temperature of the outdoor unit is in a temperature interval less than or equal to the second temperature threshold value, the opening of the outlet water valve of the outdoor unit can be reduced according to the preset opening value; when the outlet water temperature of the outdoor unit is in a temperature interval greater than the second temperature threshold value and less than the first temperature threshold value, the opening of the outlet water valve of the outdoor unit is kept unchanged.

[0139] It should be noted that the preset water temperature hysteresis threshold and the preset opening value can be determined based on experiments. The preset opening value when the outlet valve opening increases can be the same as or different from the preset opening value when the outlet valve opening decreases.

[0140] For example, assuming that the increased outlet water temperature setting value is T ’ 设 The preset water temperature hysteresis threshold is T 回 , the first temperature threshold is T ’ 设 +T 回 , the second temperature threshold is T ’ 设 -T 回 , then when the outlet water temperature ≥T ’ 设 +T 回 When the outlet water temperature is ≤T ’ 设 -T 回 When T ’ 设 +T 回 ≤Water outlet temperature≤T ’ 设 -T 回 Keep the opening of the water outlet valve of the outdoor unit unchanged.

[0141] In another optional embodiment of the present application, since the number of indoor units connected to the outdoor unit may be large, the anti-condensation control of the outdoor unit may need to be adjusted multiple times to satisfy all indoor units. Therefore, after adjusting the opening of the water outlet valve of the outdoor unit according to the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit, the indoor unit controller is further configured to perform the following steps:

[0142] Determining whether the air dew point temperature of the indoor unit meets the preset temperature condition;

[0143] If the air dew point temperature of the indoor unit meets the preset temperature condition, return to the step of increasing the water outlet temperature setting value of the outdoor unit and subsequent steps until the air dew point temperature of the indoor unit does not meet the preset temperature condition.

[0144] Specifically, after adjusting the opening of the water outlet valve of the outdoor unit, the outdoor unit controller can determine whether the air dew point temperature of the indoor unit meets the above-mentioned preset temperature conditions based on the received anti-condensation control instructions. If the anti-condensation control instructions sent by the indoor unit controller are received, it indicates that the air dew point temperature of the indoor unit meets the above-mentioned preset temperature conditions, that is, there is a risk of condensation in the indoor unit. At this time, the outdoor unit controller can continue to increase the water outlet temperature setting value of the outdoor unit, and use the increased water outlet temperature setting value to adjust the opening of the water outlet valve, and repeat the above process until the outdoor unit controller no longer receives the anti-condensation control instructions sent by the indoor unit controller, indicating that the air dew point temperatures of all indoor units meet the above-mentioned preset temperature conditions, that is, there is no risk of condensation in the indoor unit.

[0145] It should be noted that if the outdoor unit controller does not receive the anti-condensation control command sent by the indoor unit controller within a certain period of time, it can exit the secondary anti-condensation control mode. At this time, adjusting the outlet water temperature setting value may cause the air-conditioning system to fluctuate repeatedly, affecting the anti-condensation effect, so the outlet water temperature setting value can be kept unchanged. Optionally, the outdoor unit controller can reset the above outlet water temperature setting value to the initial value when the outdoor unit is restarted, so as to avoid affecting the accuracy of the subsequent outdoor unit controller adjusting the opening of the water outlet valve. For example, when the above outlet water temperature setting value reaches the preset threshold, shutdown protection can be performed, and then the outlet water temperature setting value can be reset to the initial value when the machine is restarted; or, the outlet water temperature setting value can be reset to the initial value when the air-conditioning system is powered off and shut down and then restarted.

[0146] The present application also provides an air-conditioning control system, including the air-conditioning control device described in the above embodiment. The air-conditioning control system provided by the present application is described below. The air-conditioning control system described below and the air-conditioning control device described above can be referenced to each other.

[0147] Reference Figure 8 FIG. 1 is a functional architecture diagram of an air conditioning control system provided by an embodiment of the present application. In this embodiment, the air conditioning control system includes the outdoor unit described above and at least one indoor unit, wherein:

[0148] The indoor unit comprises a first acquisition module and an indoor unit controller connected to the first acquisition module in communication; the first acquisition module is used to acquire indoor environmental data of the indoor unit, and the indoor unit controller is used to adjust the operating state of the indoor unit according to the indoor environmental data acquired by the first acquisition module, wherein the indoor environmental data comprises indoor temperature and humidity;

[0149] The outdoor unit comprises a second acquisition module and an outdoor unit controller in communication with the second acquisition module; the second acquisition module is used to acquire outdoor environmental data of the outdoor unit, and the outdoor unit controller is used to adjust the operating state of the outdoor unit according to the outdoor environmental data acquired by the second acquisition module, wherein the outdoor environmental data comprises outdoor temperature and humidity;

[0150] Wherein, the indoor unit controller and the outdoor unit controller are communicatively connected.

[0151] Specifically, the first acquisition module may include an evaporator inlet temperature sensor, an evaporator outlet temperature sensor, at least one outlet air temperature / humidity sensor, at least one return air temperature / humidity sensor, etc. Optionally, the collected indoor environmental data (e.g., outlet air temperature, return air temperature, etc.) are displayed by a display device of the indoor unit controller. The indoor unit controller may adjust the operating state of the indoor unit according to the indoor environmental data collected by the first acquisition module, including but not limited to: adjusting the on / off of the indoor unit, adjusting the operating mode of the indoor unit, adjusting the indoor unit temperature, adjusting the fan speed, the fan operating power, etc. In addition, the indoor unit controller may also send the indoor environmental data collected by the first acquisition module to the outdoor unit controller.

[0152] The second acquisition module may include an inlet water temperature sensor, an outlet water temperature sensor, a refrigerant inlet temperature sensor, a refrigerant outlet temperature sensor, etc. Optionally, the collected outdoor environmental data (such as outlet water temperature, inlet water temperature, etc.) are displayed by a display device of the outdoor unit controller. The indoor unit controller may adjust the operating state of the indoor unit according to the outdoor environmental data collected by the first acquisition module, including but not limited to: adjusting the opening / closing of the outdoor unit, adjusting the opening of the water outlet valve of the outdoor unit, adjusting the operating power of the compressor, etc. Of course, since the indoor unit controller and the outdoor unit controller are communicatively connected, the user can also send adjustment instructions to the indoor unit controller through the outdoor unit controller, thereby controlling the operating state of the indoor unit and realizing the interaction between the outdoor unit and the indoor unit.

[0153] It should be noted that the anti-condensation control process of the indoor unit controller and the outdoor unit controller can refer to the steps of the above embodiment, which will not be repeated here.

[0154] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0155] Fig. 9 A flow chart of an air conditioning control method provided in an embodiment of the present application is shown, which is applied to the above-mentioned air conditioning control system, and is described in detail as follows:

[0156] S91. For any of the above-mentioned indoor units, determine the air dew point temperature of the above-mentioned indoor unit, and when the air dew point temperature of the above-mentioned indoor unit meets the preset temperature condition, increase the fan output capacity of the above-mentioned indoor unit, wherein the above-mentioned preset temperature dew point condition is used to constrain the air dew point temperature of the above-mentioned indoor unit when the above-mentioned indoor unit needs to perform anti-condensation control.

[0157] S92. When it is detected that the fan output capacity of at least one of the indoor units meets the preset fan output conditions, the water outlet valve opening of the outdoor unit is adjusted according to the outlet water temperature of the outdoor unit, wherein the preset fan output conditions are used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

[0158] In the embodiment of the present application, for any indoor unit in the air conditioning control system, its air dew point temperature can be determined, and when the air dew point temperature of the indoor unit meets the preset temperature condition, the fan output capacity of the indoor unit is increased, thereby preventing the indoor unit from generating condensation water. At the same time, when it is detected that the fan output capacity of at least one indoor unit of the air conditioning control system meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the water outlet temperature of the outdoor unit, thereby improving the anti-condensation effect of the entire air conditioning control system.

[0159] Corresponding to the air conditioning control method described in the above embodiment, Fig.10 A schematic diagram of the structure of an air-conditioning control device provided in an embodiment of the present application is shown. For ease of explanation, only the parts related to the embodiment of the present application are shown.

[0160] Reference Fig.10 The device may include a first air conditioning control device 1010 and a second air conditioning control device 1020. The first air conditioning control device 1010 may be applied to the indoor unit controller, and the second air conditioning control device 1020 may be applied to the outdoor unit controller.

[0161] According to the implemented functions, the first air conditioning control device 1010 may include a dew point temperature determination unit 1011 and a fan output adjustment unit 1012 ; and the second air conditioning control device 1020 may include a valve adjustment unit 1021 .

[0162] Reference Fig.10 , the first air conditioning control device 1010 comprises:

[0163] The dew point temperature determination unit 1011 is used to determine the dew point temperature of the air in the indoor unit;

[0164] The fan output adjustment unit 1012 is used to increase the fan output capacity of the indoor unit when the air dew point temperature of the indoor unit meets the preset temperature conditions; wherein the preset temperature dew point conditions are used to constrain the air dew point temperature of the indoor unit when anti-condensation control is required.

[0165] Reference Fig.10 , the second air conditioning control device 1020 includes:

[0166] The above-mentioned valve adjustment unit 1021 is used to adjust the opening of the water outlet valve of the outdoor unit according to the water outlet temperature of the outdoor unit when the fan output capacity of the indoor unit meets the preset fan output conditions, wherein the above-mentioned preset fan output conditions are used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

[0167] Each unit module of the air-conditioning control device can respectively execute the corresponding steps in the above method embodiment, so each unit module will not be described in detail here. Please refer to the description of the above corresponding steps for details.

[0168] It should be noted that the above-mentioned air conditioning control device is embodied in the form of a functional unit. The term "unit" here can be implemented in the form of software and / or hardware, and is not specifically limited to this.

[0169] For example, a "unit" may be a software program, a hardware circuit, or a combination of the two that implements the above functions. The hardware circuit may include an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a dedicated processor, or a group processor, etc.) and a memory for executing one or more software or firmware programs, a combined logic circuit, and / or other suitable components that support the described functions.

[0170] Therefore, the units of each example described in the embodiments of the present application can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the embodiments of the present application.

[0171] As shown in the drawings of the above embodiments, the outdoor unit controller 201 and / or the indoor unit controller 202 may be used to implement the air conditioning control method described in the above method embodiments.

[0172] The outdoor unit controller 201 and / or the indoor unit controller 202 may include one or more memories on which programs are stored. The programs can be run by the controller 250 to generate instructions so that the controller 250 executes the display control method described in the above method embodiment according to the instructions.

[0173] Optionally, data may be stored in the memory. Optionally, the controller 250 may read data stored in the memory, and the data may be stored in the same storage address as the program, or may be stored in a different storage address than the program.

[0174] The controller 250 and the memory may be provided separately or integrated together; for example, integrated on a system on chip (SOC) of the terminal device.

[0175] The present application also provides a computer program product, which, when executed by the controller 250, implements the display control method of any method embodiment in the present application.

[0176] The computer program product may be stored in a memory, for example, a program, which is finally converted into an executable target file that can be executed by the controller 250 after preprocessing, compiling, assembling and linking.

[0177] The present application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a computer, the display control method of any method embodiment of the present application is implemented. The computer program can be a high-level language program or an executable target program.

[0178] The computer-readable storage medium is, for example, a memory. The memory may be a volatile memory or a nonvolatile memory, or the memory may include both a volatile memory and a nonvolatile memory. Among them, the nonvolatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM).

[0179] In this application, "at least one" means one or more, and "more than one" means two or more. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can be represented by: a, b, c, ab, ac, bc, or abc, where a, b, c can be single or multiple.

[0180] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0181] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0182] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0183] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic; for example, the division of units is only a logical function division, and there may be other division methods in actual implementation; for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0184] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0185] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0186] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. An air conditioning control device, characterized in that: It includes an indoor unit controller applied to an indoor unit, and an outdoor unit controller applied to an outdoor unit, wherein the indoor unit controller and the outdoor unit controller are communicatively connected, wherein: The indoor unit controller is configured as follows: Determine the air dew point temperature of the indoor unit, and when the air dew point temperature of the indoor unit meets a preset temperature condition, increase the fan output capacity of the indoor unit; wherein the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control; The outdoor unit controller is configured as follows: When the fan output capacity of the indoor unit meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the outlet water temperature of the outdoor unit, wherein the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

2. The air conditioning control device according to claim 1, characterized in that: The step of determining the air dew point temperature of the indoor unit comprises: Obtaining the return air temperature and return air humidity of the indoor unit; The air dew point temperature is calculated according to the return air temperature and the return air humidity.

3. The air conditioning control device according to claim 2, characterized in that: When the air dew point temperature of the indoor unit meets a preset temperature condition, increasing the fan output capacity of the indoor unit includes: When a first temperature difference between the inlet temperature of the indoor unit and the air dew point temperature is less than or equal to a preset dew point temperature threshold and lasts for a first preset time, the fan speed of the indoor unit is increased.

4. The air conditioning control device according to claim 3, characterized in that: The indoor unit controller is further configured as: When the increased fan speed of the indoor unit does not reach the preset speed, return to the step of obtaining the return air temperature and return air humidity of the indoor unit and subsequent steps until the fan speed of the indoor unit reaches the preset speed.

5. The air conditioning control device according to any one of claims 1 to 4, characterized in that: When the fan output capacity of the indoor unit meets the preset fan output condition, adjusting the opening of the water outlet valve of the outdoor unit according to the outlet water temperature of the outdoor unit includes: When the fan speed of the indoor unit reaches a preset speed and the duration reaches a second preset duration, increasing the water outlet temperature setting value of the outdoor unit; The opening of the water outlet valve of the outdoor unit is adjusted according to the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit.

6. The air conditioning control device according to claim 5, characterized in that: The step of adjusting the opening of the water outlet valve of the outdoor unit according to the increased water outlet temperature setting value and the water outlet temperature of the outdoor unit comprises: Determine a first temperature threshold and a second temperature threshold according to the increased outlet water temperature setting value and a preset water temperature hysteresis threshold, wherein the first temperature threshold is greater than the second temperature threshold; When the outlet water temperature of the outdoor unit is greater than or equal to the first temperature threshold, increasing the opening of the outlet water valve of the outdoor unit; When the outlet water temperature of the outdoor unit is less than or equal to the second temperature threshold, reducing the opening of the outlet water valve of the outdoor unit; When the outlet water temperature of the outdoor unit is greater than the second temperature threshold and less than the first temperature threshold, the opening of the outlet water valve of the outdoor unit is kept unchanged.

7. The air conditioning control device according to claim 5, characterized in that: The outdoor unit controller is further configured as follows: Determining whether the air dew point temperature of the indoor unit meets the preset temperature condition; If the air dew point temperature of the indoor unit meets the preset temperature condition, return to the step of increasing the water outlet temperature setting value of the outdoor unit and subsequent steps until the air dew point temperature of the indoor unit does not meet the preset temperature condition.

8. An air conditioning control system, characterized in that: It includes an outdoor unit and at least one indoor unit, wherein: The indoor unit comprises a first acquisition module, and an indoor unit controller according to any one of claims 1 to 7, which is communicatively connected to the first acquisition module; the first acquisition module is used to acquire indoor environmental data of the indoor unit, and the indoor unit controller is used to adjust the operating state of the indoor unit according to the indoor environmental data acquired by the first acquisition module, wherein the indoor environmental data includes indoor temperature and humidity; The outdoor unit comprises a second acquisition module, and an outdoor unit controller according to any one of claims 1 to 7, which is communicatively connected to the second acquisition module; the second acquisition module is used to acquire outdoor environmental data of the outdoor unit, and the outdoor unit controller is used to adjust the operating state of the outdoor unit according to the outdoor environmental data acquired by the second acquisition module, wherein the outdoor environmental data includes outdoor temperature and humidity; Wherein, the indoor unit controller and the outdoor unit controller are communicatively connected.

9. An air conditioning control method, characterized in that: The air conditioning control system as claimed in claim 8 comprises: For any of the indoor units, determine the air dew point temperature of the indoor unit, and when the air dew point temperature of the indoor unit meets a preset temperature condition, increase the fan output capacity of the indoor unit, wherein the preset temperature dew point condition is used to constrain the air dew point temperature of the indoor unit when the indoor unit needs to perform anti-condensation control; When it is detected that the fan output capacity of at least one of the indoor units meets the preset fan output condition, the water outlet valve opening of the outdoor unit is adjusted according to the outlet water temperature of the outdoor unit, wherein the preset fan output condition is used to constrain the fan output capacity of the indoor unit when the outdoor unit needs to perform anti-condensation control.

10. A computer program product, characterized in that The method comprises a computer program, which implements the method according to claim 9 when the computer program is executed.

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