Method and apparatus for controlling a bus system, bus system, storage medium

Abstract

The application discloses a method for controlling a bus system, the bus system comprising: a plurality of indoor and outdoor unit systems, each indoor and outdoor unit system comprising an outdoor unit and an indoor unit, the indoor unit comprising a master indoor unit and a slave indoor unit, in each indoor and outdoor unit system, the outdoor unit is connected with the first master indoor unit through a bus, the first master indoor unit is connected with other master indoor units and slave indoor units in series through the bus; a plurality of wire controllers, each wire controller is directly connected with and communicates with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected with and communicates with the slave indoor unit connected with the master indoor unit in series through the bus; in the case of power-on initialization of the indoor unit, determining the indoor unit wire control mode; if the indoor unit wire control mode is one-to-many, controlling the wire controller to directly communicate with the connected master indoor unit, and / or indirectly communicate with the slave indoor unit connected with the connected master indoor unit in series; if the indoor unit wire control mode is one-to-one, controlling the wire controller to directly communicate with the connected master indoor unit.

Description

Technical Field

[0001] This application relates to the field of communication technology, such as a method and apparatus for controlling a bus system, a bus system, and a storage medium. Background Technology

[0002] Currently, when using a wired controller to control an indoor unit of an air conditioner, there are two scenarios: one-to-one control and one-to-many control. The one-to-one control scenario can be used to query information such as parameters, static pressure settings, faults, and room cards, while the one-to-many control scenario can be used to query basic functions such as on / off status, mode, fan speed, and set temperature.

[0003] The disclosed technology indicates that all indoor units connected to the wired controller require a daisy-chain connection, allowing only one-to-one or one-to-many control. During power-on unit search, the wired controller must confirm the presence of each indoor unit.

[0004] In the process of implementing the embodiments of this disclosure, at least the following problems were found in the related art:

[0005] In related technologies, when indoor units connected to wired controllers achieve one-to-many control, a daisy-chain connection is required for communication, which is complex and cannot simultaneously achieve partial one-to-one control or partial one-to-many control.

[0006] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Summary of the Invention

[0007] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0008] This disclosure provides a method and apparatus for controlling a bus system, a bus system, and a storage medium to simplify wiring and simultaneously achieve partial one-to-one and partial one-to-many control.

[0009] In some embodiments, the bus system includes: multiple indoor and outdoor unit systems, each system including one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each controller being directly connected to and communicating with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected to and communicating with slave indoor units connected in series with the master indoor unit directly communicating with the controller via a bus; the method includes: determining the wired control mode of the indoor unit when the indoor unit is powered on and initialized; when the wired control mode of the indoor unit is one-to-many, controlling the wired controller to communicate directly with the connected master indoor unit, and / or indirectly with the slave indoor unit connected in series with the connected master indoor unit; when the wired control mode of the indoor unit is one-to-one, controlling the wired controller to communicate directly with the connected master indoor unit.

[0010] In some embodiments, the bus system includes: multiple indoor and outdoor unit systems, each system including one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each wired controller being directly connected to and communicating with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected to and communicating with slave indoor units connected in series with the master indoor unit directly communicating with the wired controller via a bus; the device includes: a determining module configured to determine the wired control mode of the indoor unit when the indoor unit is powered on and initialized; a one-to-many communication module configured to control the wired controller to communicate directly with the connected master indoor unit and / or indirectly communicate with the slave indoor unit connected in series with the connected master indoor unit when the wired control mode of the indoor unit is one-to-many; and a one-to-one communication module configured to control the wired controller to communicate directly with the connected master indoor unit when the wired control mode of the indoor unit is one-to-one.

[0011] In some embodiments, the apparatus includes a processor and a memory storing program instructions, the processor being configured to execute the methods described above for controlling a bus system when the program instructions are executed.

[0012] In some embodiments, the bus system includes: a bus system body, comprising: multiple indoor and outdoor unit systems, each indoor and outdoor unit system including one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units, in each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each wired controller can be directly connected to and communicate with the master indoor unit of one or more indoor and outdoor unit systems, and indirectly connected to and communicate with slave indoor units connected in series with the master indoor unit that communicates directly with the wired controller via a bus; the aforementioned device for controlling the bus system is installed on the product body.

[0013] In some embodiments, the storage medium stores program instructions that, when executed, perform the methods described above for controlling the bus system.

[0014] The method and apparatus for controlling a bus system, the bus system, and the storage medium provided in the embodiments of this disclosure can achieve the following technical effects:

[0015] The bus system includes multiple wired controllers. Each controller can directly connect and communicate with the main indoor unit of one or more indoor / outdoor unit systems. It can also indirectly connect and communicate with secondary indoor units connected in series with the main indoor unit that communicates directly with the controller via the bus. This allows for one-to-one or one-to-many control of indoor units connected to the controller. Wiring can be arbitrarily combined on the bus without requiring individual wiring between the controller and each indoor unit, simplifying wiring and operation and reducing communication failures. Furthermore, the controller can control one-to-one or one-to-many communication with the indoor unit based on its control method. Only one-to-one or one-to-many settings need to be configured on the indoor unit side; the controller will automatically initiate one-to-one or one-to-many communication during the communication process, eliminating the need for separate settings on the controller side, thus simplifying after-sales service and installation.

[0016] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0017] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0018] Figure 1 This is a schematic diagram of a bus system provided in an embodiment of this disclosure;

[0019] Figure 2 This is a schematic diagram of an internal and external machine system in a bus system provided in an embodiment of this disclosure;

[0020] Figure 3 This is a schematic diagram of a method for controlling a bus system provided in an embodiment of this disclosure;

[0021] Figure 4 This is a schematic diagram of another method for controlling a bus system provided in an embodiment of this disclosure;

[0022] Figure 5 This is a schematic diagram of an apparatus for controlling a bus system provided in an embodiment of this disclosure;

[0023] Figure 6 This is a schematic diagram of another device for controlling a bus system provided in an embodiment of this disclosure. Detailed Implementation

[0024] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0025] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0026] Unless otherwise stated, the term "multiple" means two or more.

[0027] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0028] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0029] The term "correspondence" can refer to an association or binding relationship. The correspondence between A and B means that there is an association or binding relationship between A and B.

[0030] In this embodiment of the disclosure, smart home appliances refer to home appliances formed by introducing microprocessors, sensor technology and network communication technology into home appliances. They have the characteristics of intelligent control, intelligent sensing and intelligent application. The operation of smart home appliances often relies on the application and processing of modern technologies such as the Internet of Things, the Internet and electronic chips. For example, smart home appliances can be connected to electronic devices to enable users to remotely control and manage smart home appliances.

[0031] In the disclosed embodiments, the terminal device refers to an electronic device with wireless connectivity. The terminal device can communicate with the aforementioned smart home appliances via the internet, or directly via Bluetooth, Wi-Fi, or other methods. In some embodiments, the terminal device may be, for example, a mobile device, a computer, or an in-vehicle device built into a hovercraft, or any combination thereof. Mobile devices may include, for example, mobile phones, smart home devices, wearable devices, smart mobile devices, virtual reality devices, or any combination thereof. Wearable devices may include, for example, smartwatches, smart bracelets, pedometers, etc.

[0032] Combination Figure 1 and Figure 2 As shown in the embodiments of this disclosure, a bus system includes: multiple indoor and outdoor unit systems, each system including one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus. Multiple wired controllers are also included, each controller being directly connected and communicating with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected and communicating with slave indoor units connected in series with the master indoor unit directly communicating with the controller via a bus.

[0033] The bus system provided in this embodiment includes multiple wired controllers. Each wired controller can be directly connected to and communicate with the main indoor unit of one or more indoor and outdoor unit systems. It can also be indirectly connected to and communicate with the secondary indoor units that are connected in series with the main indoor unit that communicates directly with the wired controller through the bus. This allows for one-to-one or one-to-many control of indoor units connected to the wired controller. Wiring can be arbitrarily combined on the bus without the need for the wired controller to be wired to each indoor unit, simplifying the wiring method and operation, and reducing the occurrence of communication failures.

[0034] Combination Figure 3 As shown, this disclosure provides a method for controlling a bus system, including:

[0035] S301: When the indoor unit is powered on and initialized, the bus system determines the wired control mode of the indoor unit.

[0036] S302, when the indoor unit is controlled by a single wired controller for multiple units, the bus system controller communicates directly with the connected main indoor unit and / or indirectly with the connected secondary indoor unit connected in series with the main indoor unit.

[0037] In the case of S303, when the indoor unit is controlled by a one-to-one wired controller, the bus system controller directly communicates with the connected main indoor unit.

[0038] The method for controlling a bus system provided in this disclosure includes multiple wired controllers. Each wired controller can be directly connected and communicate with the main indoor unit of one or more indoor / outdoor unit systems. It can also be indirectly connected and communicated with secondary indoor units connected in series with the main indoor unit that communicates directly with the wired controller via the bus. This allows for one-to-one or one-to-many control of indoor units connected to the wired controller. Wiring can be arbitrarily combined on the bus without requiring the wired controller to be wired to each individual indoor unit, simplifying wiring and operation and reducing communication failures. Furthermore, the wired controller can be controlled to communicate with the indoor unit in a one-to-one or one-to-many manner according to the indoor unit's wired control method, enabling simultaneous one-to-one or one-to-many control. Only one-to-one or one-to-many control settings are required at the indoor unit level; the wired controller can be informed of the one-to-one or one-to-many control during communication, eliminating the need for settings at the wired controller level, thus facilitating after-sales service and installation.

[0039] Optionally, the bus system determines the wired control mode of the indoor unit, including: the bus system determines the wired control mode of the indoor unit based on the first DIP address of the indoor unit. In this way, the wired control mode of the indoor unit is first determined based on the first DIP address, and then the wired controller is controlled to communicate with the indoor unit for one-to-one or one-to-many communication based on the wired control mode, enabling simultaneous one-to-one or one-to-many control. Only the first DIP address needs to be set on the indoor unit to configure one-to-one or one-to-many control; during communication, the wired controller can be informed to perform one-to-one or one-to-many control without requiring settings on the wired controller itself, simplifying after-sales service and installation.

[0040] Optionally, the bus system determines the wired control mode of the indoor unit based on the first indoor unit DIP address, including: if the first bit of the first indoor unit DIP address has a first code value, the bus system determines the wired control mode of the indoor unit to be one-to-many. If the first bit of the first indoor unit DIP address has a second code value, the bus system determines the wired control mode of the indoor unit to be one-to-one. The first code value is greater than the second code value. Specifically, the first code value can be 1, and the second code value can be 0. This facilitates better determination of the indoor unit's wired control mode based on the first code value of the first indoor unit DIP address, and then controls the wired controller to communicate with the indoor unit for one-to-one or one-to-many communication based on the wired control mode, simultaneously achieving one-to-one or one-to-many control. Only the first code value of the first DIP address needs to be set at the indoor unit end to configure one-to-one or one-to-many control; during communication, the wired controller can be informed to perform one-to-one or one-to-many control without needing to be set at the wired controller end, simplifying after-sales service and installation.

[0041] Optionally, the bus system controls the wired controller to communicate directly with the connected main indoor unit and / or indirectly with the connected slave indoor units connected in series with the main indoor unit. This includes: when one wired controller connects to two or more indoor / outdoor unit systems, the bus system controls the wired controller to communicate directly with the main indoor unit of each connected indoor / outdoor unit system and / or indirectly with the connected slave indoor units connected in series with the main indoor unit, based on the outdoor unit's DIP switch address and the indoor unit's DIP switch address. When multiple wired controllers connect to one indoor / outdoor unit system, the bus system controls the wired controller to communicate directly with the connected main indoor unit and / or indirectly with the connected slave indoor units connected in series with the main indoor unit. In this way, the indoor unit wired control method is one-to-many, which can be divided into one wired controller connecting to two or more indoor / outdoor unit systems, or multiple wired controllers connecting to one indoor / outdoor unit system. When a single wired controller connects to two or more indoor / outdoor unit systems, it controls the controller to communicate directly with the main indoor unit of each connected system, and / or indirectly with the slave indoor units connected in series with the main indoor unit, based on the outdoor unit's DIP switch address and the indoor unit's DIP switch address, thus achieving one-to-many control. When multiple wired controllers connect to a single indoor / outdoor unit system, the bus system controls the wired controllers to communicate directly with the main indoor unit they are connected to, and / or indirectly with the slave indoor units connected in series with the main indoor unit, also achieving one-to-many control. This facilitates better control of the wired controller's communication with the indoor units for one-to-many communication.

[0042] Optionally, the bus system controls the wired controller to communicate directly with the main indoor unit of each connected indoor / outdoor unit system, and / or indirectly with the slave indoor units connected in series with the main indoor unit, based on the outdoor unit's DIP switch address and the indoor unit's DIP switch address. This includes: the bus system determining one or more controlled indoor / outdoor unit systems based on the outdoor unit's DIP switch address; the bus system determining the communication address of the controlled indoor unit in each controlled indoor / outdoor unit system based on the indoor unit's DIP switch address; and the bus system controlling the wired controller to communicate directly with the controlled main indoor unit in the controlled indoor / outdoor unit system according to the communication address, and / or indirectly with the controlled slave indoor units connected in series with the main indoor unit in the controlled indoor / outdoor unit system. Specifically, the outdoor unit's DIP switch address can be in the range of [1, 32]. In this way, when multiple wired controllers are connected to a set of indoor and outdoor unit systems to achieve one-to-many control, the controlled indoor and outdoor unit systems are first located according to the outdoor unit's DIP switch address, and then the communication address of the controlled indoor unit in each set of controlled indoor and outdoor unit systems is located according to the indoor unit's DIP switch address. Then, the controller communicates directly or indirectly with the controlled indoor units in the one-to-many control system according to the obtained communication address, thereby better realizing one-to-many control.

[0043] Optionally, the bus system determines one or more controlled indoor and outdoor unit systems based on the outdoor unit's DIP switch address. This includes: the bus system identifying one or more indoor and outdoor unit systems containing the outdoor unit corresponding to the outdoor unit's DIP switch address as the controlled indoor and outdoor unit systems. In this way, when multiple wired controllers are connected to a single indoor and outdoor unit system to achieve one-to-many control, it is beneficial to better locate the controlled indoor and outdoor unit systems based on the outdoor unit's DIP switch address. This, in turn, facilitates better location of the communication address of the controlled indoor unit within each controlled indoor and outdoor unit system based on the indoor unit's DIP switch address. Then, direct or indirect communication is established with the controlled indoor units in the one-to-many control system according to the obtained communication address, thereby better achieving one-to-many control.

[0044] Optionally, the bus system determines the communication address of the controlled indoor unit in each controlled indoor / outdoor unit system based on the indoor unit's DIP switch address. This includes the bus system assigning one or more indoor units in each controlled indoor / outdoor unit system corresponding to the indoor unit's DIP switch address as the communication address of that controlled indoor / outdoor unit system. Specifically, the indoor unit's DIP switch address can be in the range of [1, 64]. This allows for better one-to-many control when multiple wired controllers are connected to a single indoor / outdoor unit system. It also facilitates more accurate location of the communication address of the controlled indoor unit in each controlled indoor / outdoor unit system based on the indoor unit's DIP switch address, and then allows for direct or indirect communication with the controlled indoor units in the one-to-many system using the obtained communication address, thus better achieving one-to-many control.

[0045] Combination Figure 1As shown, in a scenario where a wired controller connects two or more indoor and outdoor unit systems to achieve one-to-many control, if the outdoor unit's DIP switch address is 1 and / or 2, then the indoor and outdoor unit systems to which outdoor unit 1-1, indoor unit 1-1-1, and indoor unit 1-1-2 belong, and / or the indoor and outdoor unit systems to which outdoor unit 1-2, indoor unit 1-2-1, and indoor unit 1-2-2 belong, corresponding to outdoor unit DIP switch address 1, are determined as the controlled indoor and outdoor unit systems. The indoor unit 1-1-1's DIP switch address is 1, and the indoor unit 1-1-2's DIP switch address is 2, thus determining the communication address of the indoor unit in the controlled indoor and outdoor unit system. The wired controller communicates directly with the directly connected indoor unit 1-1-1, and indirectly with indoor unit 1-1-2 via a bus, thereby achieving one-to-many control. The indoor unit DIP switch address for indoor unit 1-2-1 is 1, and the indoor unit DIP switch address for indoor unit 1-2-2 is 2. This determines the communication address of the indoor units in the controlled indoor and outdoor unit system. The wired controller communicates directly with the directly connected indoor unit 1-2-1, and indirectly with indoor unit 1-2-2 via a bus, thus achieving one-to-many control.

[0046] Optionally, the bus system controls the wired controller to communicate directly with the connected main indoor unit and / or indirectly with the connected slave indoor unit connected in series with the main indoor unit. This includes: the bus system determining the type of the main and slave indoor units communicating with the main controller and the address of the main controller based on the first indoor unit DIP address of the indoor unit. The bus system then controls the main indoor unit connected to the main controller to communicate directly and / or indirectly with the slave indoor unit connected in series with the main controller based on the second indoor unit DIP address of the indoor unit. In this way, when multiple wired controllers are connected to a single indoor / outdoor unit system to achieve one-to-many control, the system first determines the type of the main and slave indoor units communicating with the main controller based on the first indoor unit DIP address and locates the main controller; then, it locates the main or slave indoor unit communicating directly or indirectly with the main controller based on the second indoor unit DIP address, thus better achieving one-to-many control.

[0047] Optionally, the bus system determines the type of the master / slave indoor unit communicating with the master controller and the address of the master controller based on the first indoor unit DIP switch address of the indoor unit. This includes: the bus system determining the type of the master / slave indoor unit based on the code value of the second bit of the first indoor unit DIP switch address; and the bus system determining the address of the master controller based on the code values ​​of the third and fourth bits of the first indoor unit DIP switch address. In this way, by determining the type of the master / slave indoor unit based on the code value of the second bit of the first indoor unit DIP switch address, and by determining the address of the master controller based on the code values ​​of the third and fourth bits of the first indoor unit DIP switch address to locate the master controller, it is easier to locate the master / slave indoor unit communicating directly or indirectly with the master controller, thereby better realizing one-to-many control.

[0048] Optionally, the bus system determines the master / slave indoor unit category based on the code value of the second bit of the first indoor unit's DIP switch address. This includes: if the code value of the second bit of the first indoor unit's DIP switch address is the first code value, the bus system determines the master / slave indoor unit category as a slave indoor unit. If the code value of the second bit of the first indoor unit's DIP switch address is the second code value, the bus system determines the master / slave indoor unit category as a master indoor unit. The first code value is greater than the second code value. This facilitates better determination of the master / slave indoor unit category based on the code value of the second bit of the first indoor unit's DIP switch address, thereby facilitating better location of the master / slave indoor unit that communicates directly or indirectly with the master controller, and ultimately enabling better one-to-many control.

[0049] Optionally, the bus system determines the address of the master controller's wired controller based on the third and fourth bits of the first indoor unit's DIP switch address, including: when both the third and fourth bits of the first indoor unit's DIP switch address are the second code value, the bus system determines the address of the master controller's wired controller as the address of the first wired controller. When the third bit of the first indoor unit's DIP switch address is the second code value and the fourth bit is the first code value, the bus system determines the address of the master controller's wired controller as the address of the second wired controller. When the third bit of the first indoor unit's DIP switch address is the first code value and the fourth bit is the second code value, the bus system determines the address of the master controller's wired controller as the address of the third wired controller. When both the third and fourth bits of the first indoor unit's DIP switch address are the first code value, the bus system determines the address of the master controller's wired controller as the address of the fourth wired controller. In this way, when multiple wired controllers are connected to a set of indoor and outdoor unit systems to achieve one-to-many control, it is beneficial to locate the master wired controller based on the DIP switch address of the first indoor unit. This facilitates the better location of the master and slave indoor units that communicate directly or indirectly with the master wired controller, thereby better achieving one-to-many control.

[0050] Optionally, the bus system controls the main indoor unit connected to the master controller's wired controller to communicate directly, and / or indirectly, with the slave indoor unit connected in series with the main indoor unit, based on the second indoor unit's DIP switch address. This includes: when the first bit of the second indoor unit's DIP switch address is a first code value, the bus system determines the communication address of the main indoor unit connected to the master controller's wired controller, and / or the communication address of the slave indoor unit connected in series with the main indoor unit, based on the code values ​​of the second, third, fourth, fifth, sixth, seventh, and eighth bits of the second indoor unit's DIP switch address. The bus system controls the wired controller to communicate directly with the main indoor unit connected to the master controller's wired controller, and / or indirectly with the slave indoor unit connected in series with the main indoor unit, according to the communication address. This facilitates better acquisition of the communication addresses of the master and slave indoor units directly or indirectly connected to the master controller's wired controller based on the second indoor unit's DIP switch address, thereby enabling direct or indirect communication with the master and slave indoor units and facilitating better control of the wired controller for one-to-many communication with the indoor units.

[0051] Optionally, the bus system determines the communication address of the master indoor unit connected to the master controller's wired controller, and / or the communication address of the slave indoor unit connected in series with the master indoor unit, based on the code values ​​of the second, third, fourth, fifth, sixth, seventh, and eighth bits of the second indoor unit's DIP switch address. This includes: the bus system querying a code value information database to determine the communication address of the master indoor unit connected to the master controller's wired controller, and / or the communication address of the slave indoor unit connected in series with the master indoor unit, based on the code values ​​of the second, third, fourth, fifth, sixth, seventh, and eighth bits of the second indoor unit's DIP switch address. This facilitates better acquisition of the communication addresses of the master and slave indoor units directly or indirectly connected to the master controller's wired controller based on the code values ​​of the second to eighth bits of the second indoor unit's DIP switch address, thereby enabling direct or indirect communication with the master and slave indoor units and facilitating better control of the wired controller for one-to-many communication with the indoor units.

[0052] Combination Figure 2As shown, when the first bit of the first indoor unit's DIP switch address is 1 and multiple wired controllers are connected to a single indoor / outdoor unit system, if the second bit of the first indoor unit's DIP switch address is 0, the indoor unit is determined to be the master indoor unit; if the second bit of the first indoor unit's DIP switch address is 1, the indoor unit is determined to be the slave indoor unit. If both the third and fourth bits of the first indoor unit's DIP switch address are 0, the address of the master wired controller is determined to be the address of wired controller 2-1. In this case, the master indoor unit is indoor unit 2-1-1 connected to wired controller 2-1, and the slave indoor units are indoor units 2-1-2 to 2-1-16 connected in series with indoor unit 2-1-1 on the bus. If the third bit of the first indoor unit's DIP switch address is 0 and the fourth bit is 1, then the address of the main controller is determined to be the address of controller 2-2. In this case, the main indoor unit is indoor unit 2-1-17 connected to controller 2-2, and the secondary indoor units are indoor units 2-1-18 to 2-1-32 connected in series with indoor unit 2-1-17 on the bus. If the third bit of the first indoor unit's DIP switch address is 1 and the fourth bit is 0, then the address of the main controller is determined to be the address of controller 2-3. In this case, the main indoor unit is indoor unit 2-1-33 connected to controller 2-3, and the secondary indoor units are indoor units 2-1-34 to 2-1-48 connected in series with indoor unit 2-1-33 on the bus. If the third bit of the first indoor unit's DIP switch address is 1 and the fourth bit is 1, then the address of the main controller is determined to be the address of controller 2-4. At this time, the main indoor unit is indoor unit 2-1-49 connected to controller 2-4, and the secondary indoor units are indoor units 2-1-50 to 2-1-64 connected in series with indoor unit 2-1-49 on the bus.

[0053] The DIP switch address of the first indoor unit is arranged in the order of second, first, third, and fourth bits. The DIP switch address of the first indoor unit 2-1-1 is 0100, and the DIP switch address of the first indoor units 2-1-2 to 2-1-16 is 1100. The main indoor unit with the first indoor unit DIP switch address of 0100 is responsible for transmitting control information or communication signals between the wired controller 2-1 and the indoor unit with the first indoor unit DIP switch address of 1100.

[0054] The DIP switch addresses for the second indoor unit are arranged in the following order: first, second, third, fourth, fifth, sixth, seventh, and eighth bits. The DIP switch address for indoor unit 2-1-1 is 10000000, for indoor unit 2-1-2 it's 10000001, for indoor unit 2-1-3 it's 10000010, and so on. The DIP switch address for indoor unit 2-1-64 is 10111111. Based on these DIP switch addresses, the communication addresses of the main indoor unit connected to the main controller and the slave indoor units connected in series with the main indoor unit can be located, thus enabling one-to-many control.

[0055] Combination Figure 4 As shown, this disclosure provides another method for controlling a bus system, including:

[0056] S401, when the indoor unit is powered on and initialized, the bus system determines the wired control mode of the indoor unit based on the first indoor unit DIP switch address of the indoor unit.

[0057] S402, when the indoor unit is controlled by a single wired controller for multiple units, the bus system controller communicates directly with the connected main indoor unit and / or indirectly with the connected secondary indoor unit connected in series with the main indoor unit.

[0058] S403, when the indoor unit is controlled by a one-to-one wired controller, the bus system controller directly communicates with the connected main indoor unit.

[0059] The method for controlling a bus system provided in this disclosure includes multiple wired controllers. Each wired controller can be directly connected and communicate with the main indoor unit of one or more indoor / outdoor unit systems. It can also be indirectly connected and communicated with secondary indoor units connected in series with the main indoor unit that communicates directly with the wired controller via the bus. This allows for one-to-one or one-to-many control of indoor units connected to the wired controller. Wiring can be arbitrarily combined on the bus without requiring the wired controller to be wired to each individual indoor unit, simplifying wiring and operation and reducing communication failures. Furthermore, the wired control mode of the indoor unit is first determined based on its first DIP address. Then, the wired controller is controlled to communicate with the indoor unit for one-to-one or one-to-many control based on the control mode. Only the first DIP address needs to be set on the indoor unit to configure one-to-one or one-to-many control. During communication, the wired controller is informed to perform one-to-one or one-to-many control without needing to be configured on the wired controller itself, simplifying after-sales service and installation.

[0060] Combination Figure 5As shown, this disclosure provides an apparatus 200 for controlling a bus system, including a determining module 501, a one-to-many communication module 502, and a one-to-one communication module 503. The determining module 501 is configured to determine the wired control mode of the indoor unit when the indoor unit is powered on and initialized. The one-to-many communication module 502 is configured to, when the indoor unit's wired control mode is one-to-many, control the wired controller to communicate directly with the connected main indoor unit, and / or indirectly with a slave indoor unit connected in series with the connected main indoor unit. The one-to-one communication module 503 is configured to, when the indoor unit's wired control mode is one-to-one, control the wired controller to communicate directly with the connected main indoor unit.

[0061] The device for controlling a bus system provided in this disclosure includes multiple wired controllers. Each wired controller can be directly connected and communicate with the main indoor unit of one or more indoor / outdoor unit systems. It can also be indirectly connected and communicated with secondary indoor units connected in series with the main indoor unit that communicates directly with the wired controller via the bus. This allows for one-to-one or one-to-many control of indoor units connected to the wired controller. Wiring can be arbitrarily combined on the bus without requiring the wired controller to be wired to each individual indoor unit, simplifying wiring and operation and reducing communication failures. Furthermore, the wired controller can be controlled to communicate with the indoor unit in a one-to-one or one-to-many manner according to the indoor unit's wired control method, enabling simultaneous one-to-one or one-to-many control. Only one-to-one or one-to-many control settings are required at the indoor unit level; the wired controller can be notified of this setting during communication, eliminating the need for settings at the wired controller level, thus facilitating after-sales service and installation.

[0062] Combination Figure 6 As shown, this disclosure provides an apparatus 300 for controlling a bus system, including a processor 600 and a memory 601. Optionally, the apparatus may further include a communication interface 602 and a bus 603. The processor 600, communication interface 602, and memory 601 can communicate with each other via the bus 603. The communication interface 602 can be used for information transmission. The processor 600 can call logical instructions in the memory 601 to execute the method for controlling the bus system described in the above embodiments.

[0063] Furthermore, the logic instructions in the aforementioned memory 601 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium.

[0064] The memory 601, as a computer-readable storage medium, can be used to store software programs and computer-executable programs, such as program instructions / modules corresponding to the methods in the embodiments of this disclosure. The processor 600 executes functional applications and data processing by running the program instructions / modules stored in the memory 601, that is, it implements the method for controlling the bus system in the above embodiments.

[0065] The memory 601 may include a program storage area and a data storage area. The program storage area may store the operating system and applications required for at least one function; the data storage area may store data created based on the use of the terminal device. Furthermore, the memory 601 may include high-speed random access memory and may also include non-volatile memory.

[0066] This disclosure provides a bus system, including a bus system body and the aforementioned device 200 (300) for controlling the bus system. The device 200 (300) for controlling the bus system is mounted on the bus system body. The mounting relationship described herein is not limited to placement within the bus system, but also includes mounting connections with other components of the bus system, including but not limited to physical connections, electrical connections, or signal transmission connections. Those skilled in the art will understand that the device 200 (300) for controlling the bus system can be adapted to feasible bus system bodies to achieve other feasible embodiments.

[0067] This disclosure provides a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling a bus system.

[0068] The aforementioned computer-readable storage medium may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.

[0069] The technical solutions of this disclosure can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes one or more instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in this disclosure. The aforementioned storage medium can be a non-transitory storage medium, including: a USB flash drive, a portable hard drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and other media capable of storing program code; it can also be a transient storage medium.

[0070] The foregoing description and accompanying drawings fully illustrate embodiments of this disclosure to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, procedural, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. Moreover, the terminology used in this application is for describing embodiments only and is not intended to limit the claims. As used in the description of embodiments and claims, the singular forms “a,” “an,” and “the” are intended to equally include the plural forms unless the context clearly indicates otherwise. Similarly, the term “and / or” as used in this application means including one or more of the associated listed items and all possible combinations thereof. Additionally, when used in this application, the term "comprise" and its variations "comprises" and / or "comprising" refer to the presence of stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or groups thereof. Without further limitations, an element defined by the phrase "comprises a..." does not exclude the presence of other identical elements in the process, method, or apparatus that includes said element. In this document, each embodiment may focus on the differences from other embodiments, and similar or identical parts between embodiments can be referred to mutually. For methods, products, etc., disclosed in the embodiments, if they correspond to the method section disclosed in the embodiments, the relevant parts can be referred to the description of the method section.

[0071] Those skilled in the art will recognize that the units and algorithm steps of the various examples 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 implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the embodiments of this disclosure. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0072] The methods and products (including but not limited to devices and equipment) disclosed in the embodiments herein can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For instance, the division of units may be merely a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the shown or discussed units may be through some interfaces, and the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the units may be selected to implement this embodiment according to actual needs. Furthermore, the functional units in the embodiments of this disclosure 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.

[0073] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to embodiments of this disclosure. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing a specified logical function. In some alternative implementations, the functions marked in the blocks may occur in a different order than that shown in the drawings. For example, two consecutive blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. In the descriptions corresponding to the flowcharts and block diagrams in the accompanying drawings, the operations or steps corresponding to different blocks may also occur in a different order than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. Each block in a block diagram and / or flowchart, and combinations of blocks in a block diagram and / or flowchart, can be implemented using a dedicated hardware-based system that performs the specified function or action, or using a combination of dedicated hardware and computer instructions.

Claims

1. A method for controlling a bus system, characterized in that, The bus system includes: multiple indoor and outdoor unit systems, each system comprising one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each controller being directly connected and communicating with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected and communicating with slave indoor units connected in series with the master indoor unit directly communicating with the wired controller via a bus; the method includes: Determine the wired control method of the indoor unit after it is powered on and initialized; When the indoor unit is controlled by a single wired controller for multiple indoor units, the wired controller communicates directly with the connected main indoor unit and / or indirectly with the connected secondary indoor unit connected in series with the main indoor unit. When the indoor unit is controlled by a one-to-one wired controller, the controller communicates directly with the connected main indoor unit. The control wired controller communicates directly with the connected main indoor unit and / or indirectly with the connected main indoor unit via a slave indoor unit connected in series, including: determining the type of the main and slave indoor units communicating with the main control wired controller and the address of the main control wired controller based on the first indoor unit DIP switch address of the indoor unit; and controlling the main indoor unit connected to the main control wired controller to communicate directly and / or indirectly with the slave indoor unit connected in series with the connected main indoor unit via a second indoor unit DIP switch address. The step of determining the type of master and slave indoor units communicating with the master controller and the address of the master controller based on the first indoor unit DIP address of the indoor unit includes: determining the type of master and slave indoor units based on the code value of the second bit of the first indoor unit DIP address of the indoor unit; and determining the address of the master controller based on the code value of the third bit and the code value of the fourth bit of the first indoor unit DIP address of the indoor unit.

2. The method according to claim 1, characterized in that, The determination of the indoor unit's wired control method includes: The wired control method of the indoor unit is determined based on the first indoor unit DIP switch address.

3. The method according to claim 1 or 2, characterized in that, The control wired controller communicates directly with the connected main indoor unit and / or indirectly with a slave indoor unit connected in series with the connected main indoor unit, including: When a wired controller is connected to two or more indoor and outdoor unit systems, it controls the wired controller to communicate directly with the main indoor unit of each connected indoor and outdoor unit system, and / or indirectly with the secondary indoor unit connected in series with the main indoor unit, based on the outdoor unit's DIP switch address and the indoor unit's DIP switch address. In the case of multiple wired controllers connected to a set of indoor and outdoor unit systems, the wired controllers communicate directly with the connected main indoor unit and / or indirectly with the connected secondary indoor units connected in series with the main indoor unit.

4. The method according to claim 3, characterized in that, The control of the wired controller to directly communicate with the main indoor unit of each connected indoor / outdoor unit system, and / or indirectly communicate with the slave indoor units connected in series with the main indoor unit, based on the outdoor unit's DIP switch address and the indoor unit's DIP switch address, includes: One or more controlled indoor and outdoor unit systems are determined based on the outdoor unit's DIP switch address; Based on the indoor unit's DIP switch address, determine the communication address of the controlled indoor unit in each controlled indoor and outdoor unit system. The controller communicates directly with the main indoor unit in the controlled indoor / outdoor unit system according to the communication address, and / or indirectly with the slave indoor unit in the controlled indoor / outdoor unit system that is connected in series with the main indoor unit.

5. A device for controlling a bus system, characterized in that, The bus system includes: multiple indoor and outdoor unit systems, each system comprising one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to a first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each controller being directly connected and communicating with the master indoor unit in one or more indoor and outdoor unit systems, and indirectly connected and communicating with slave indoor units connected in series with the master indoor unit directly communicating with the wired controller via a bus; the device includes: The module is configured to determine the wired control mode of the indoor unit when the indoor unit is powered on and initialized. The one-to-many communication module is configured to, when the indoor unit is controlled by one-to-many wired controller, directly communicate with the connected main indoor unit, and / or indirectly communicate with the connected secondary indoor unit connected in series with the main indoor unit. The one-to-one communication module is configured to enable direct communication between the wired controller and the connected main indoor unit when the indoor unit is controlled in one-to-one wired mode. The control wired controller communicates directly with the connected main indoor unit and / or indirectly with the connected main indoor unit via a slave indoor unit connected in series, including: determining the type of the main and slave indoor units communicating with the main control wired controller and the address of the main control wired controller based on the first indoor unit DIP switch address of the indoor unit; and controlling the main indoor unit connected to the main control wired controller to communicate directly and / or indirectly with the slave indoor unit connected in series with the connected main indoor unit via a second indoor unit DIP switch address. The step of determining the type of master and slave indoor units communicating with the master controller and the address of the master controller based on the first indoor unit DIP address of the indoor unit includes: determining the type of master and slave indoor units based on the code value of the second bit of the first indoor unit DIP address of the indoor unit; and determining the address of the master controller based on the code value of the third bit and the code value of the fourth bit of the first indoor unit DIP address of the indoor unit.

6. An apparatus for controlling a bus system, comprising a processor and a memory storing program instructions, characterized in that, The processor is configured to, when executing the program instructions, perform the method for controlling a bus system as described in any one of claims 1 to 4.

7. A bus system, characterized in that, include: The bus system body includes: multiple indoor and outdoor unit systems, each system including one outdoor unit and multiple indoor units, wherein the multiple indoor units include one or more master indoor units and one or more slave indoor units. In each indoor and outdoor unit system, the outdoor unit is connected to the first master indoor unit via a bus, and the first master indoor unit is connected in series with other master indoor units and slave indoor units via a bus; multiple wired controllers, each of which can be directly connected and communicate with the master indoor unit of one or more indoor and outdoor unit systems, and indirectly connected and communicate with slave indoor units connected in series with the master indoor unit that communicates directly with the wired controller via a bus. The device for controlling the bus system as described in claim 5 or 6 is mounted on the bus system body.

8. A storage medium storing program instructions, characterized in that, When the program instructions are executed, they perform the method for controlling the bus system as described in any one of claims 1 to 4.

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