Communication device, multi-connected air conditioner communication method, air conditioner system and storage medium

Abstract

The present application provides a multi-connected air conditioner communication method, device, storage medium and air conditioner system. The communication device provided by the embodiments of the present application is arranged on the outdoor unit of the air conditioner; the communication device includes an information sending circuit and an information receiving circuit; the information sending circuit includes a communication module, an information sending module and a control chip connected in sequence; the information receiving circuit includes a communication module, an information receiving module and a control chip connected in sequence; the number of the communication modules is at least two, and each communication module is connected to a corresponding indoor unit of the air conditioner. By providing a plurality of communication modules corresponding to the indoor units one by one and separately arranging multiple groups of communication connection lines between the outdoor unit and the indoor units, the wiring chaos between the outdoor unit and the indoor units can be avoided.

Description

Technical Field

[0001] This application relates to the field of communications, and in particular to a communication device, a multi-connected air conditioner communication method, an air conditioner system, and a storage medium. Background Art

[0002] In an existing air conditioner system, one outdoor unit is paired with multiple indoor units, which can also be said to be one-to-many. The outdoor unit serves as the main unit, and the indoor units serve as indoor units. The communication solutions between the indoor and outdoor units include 485 communication, CAN bus, etc. The advantage is that it can communicate with multiple indoor units over a long distance. However, when installing or adjusting the air conditioner system, the wiring between multiple indoor units and the outdoor unit is complex, which is very inconvenient for maintenance or replacement. Summary of the Invention

[0003] This application provides a communication device, a multi-connected air conditioner communication method, an air conditioner system, and a storage medium, aiming to solve the problem of complex wiring between multiple indoor units and the outdoor unit.

[0004] In a first aspect, the method includes:

[0005] A control chip in the communication device generates a control signal and sends the control signal to an information sending module in the communication device;

[0006] The information sending module sends the execution information in the control signal to a target communication module corresponding to the address information in the control signal, where the target communication module is one of the communication modules included in the communication device;

[0007] The target communication module sends the execution information to a target indoor unit connected to the target communication module, and receives a response message fed back by the target indoor unit;

[0008] The target communication module sends the response message to an information receiving module in the communication device;

[0009] The information receiving module sends the response message to the control chip.

[0010] In a feasible manner of this application, before the target communication module sends the execution information to the target indoor unit connected to the target communication module, it further includes:

[0011] The target communication module obtains a first verification code according to the execution parameters in the execution information;

[0012] The target communication module compares the first verification code with a second verification code included in the execution information;

[0013] If the first verification code is the same as the second verification code, the target communication module sends the execution information to the target indoor unit connected to the target communication module.

[0014] In a feasible manner of the present application, after the target communication module sends the execution information to the target indoor unit connected to the target communication module, it further includes:

[0015] The control chip controls all indoor units other than the target indoor unit to enter the sleep mode;

[0016] The control chip outputs the position information of the indoor units in the sleep mode.

[0017] In a feasible manner of the present application, the information sending module sends the execution information in the control signal to the target communication module corresponding to the address information in the control signal, including:

[0018] The information sending module obtains the execution information in the control signal and the address information in the control signal;

[0019] The information sending module determines the target sending pin according to the address information;

[0020] The information sending module sends the execution information to the target communication module connected to the target sending pin.

[0021] In a feasible manner of the present application, the control chip in the communication device generates a control signal, including:

[0022] The control chip in the communication device obtains the preset network execution information and the address information of the sending pins included in the information sending module in the communication device;

[0023] The control chip forms a control signal by combining the network execution information and the address information.

[0024] In a second aspect, the present application provides a communication device, which includes an information sending circuit and an information receiving circuit;

[0025] The information sending circuit includes a communication module, an information sending module, and a control chip connected in sequence;

[0026] The information receiving circuit includes a communication module, an information receiving module, and a control chip connected in sequence;

[0027] The number of the communication modules is at least two, and each communication module is connected to a corresponding indoor unit of the air conditioner.

[0028] In a feasible implementation manner of the present application, the information receiving module includes an NPN-type triode, a communication interface, a base capacitor, an emitter capacitor, a pull-up resistor, a clamping diode, and a current-limiting resistor;

[0029] One end of the communication interface is connected to the communication module, and the other end of the communication interface is connected to the node between the two diodes in the clamping diode;

[0030] One end of the pull-up resistor is connected to an external power supply, and the other end of the pull-up resistor is respectively connected to the node between the two diodes in the clamping diode and the input end of the current-limiting resistor;

[0031] The output end of the current-limiting resistor is respectively connected to the base of the NPN-type triode and the input end of the base capacitor;

[0032] The output end of the base capacitor is grounded and is respectively connected to the emitter of the NPN-type triode and the input end of the emitter capacitor;

[0033] The output end of the emitter capacitor is connected to the control chip;

[0034] The collector of the NPN-type triode is connected to the control chip.

[0035] In a feasible implementation manner of the present application, a relay is further included in the information receiving module, and the relay is respectively connected to the base of the NPN-type triode and the output end of the current-limiting resistor.

[0036] In a third aspect, the present application further provides an air-conditioning system, which includes an indoor unit and an outdoor unit, and the air-conditioning system calls the outdoor unit to execute the steps in any one of the multi-connected air-conditioning communication methods provided by the present application.

[0037] In a fourth aspect, the present application further provides a storage medium, on which a computer program is stored, and the computer program is loaded by a processor to execute the steps in the multi-connected air-conditioning communication method.

[0038] In summary, the communication device provided by the present application is arranged in the outdoor unit of the air conditioner; the communication device includes an information sending circuit and an information receiving circuit; the information sending circuit includes a communication module, an information sending module, and a control chip connected in sequence; the information receiving circuit includes a communication module, an information receiving module, and a control chip connected in sequence; the number of communication modules is at least two, and each communication module is connected to a corresponding indoor unit of the air conditioner. By providing multiple communication modules corresponding to the indoor units one by one and separately arranging multiple groups of communication wires between the outdoor unit and the indoor units, the wiring chaos between the outdoor unit and the indoor units can be avoided. Description of the Drawings

[0039] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0040] Figure 1 It is a schematic diagram of a communication device provided by an embodiment of the present application;

[0041] Figure 2 It is a schematic flowchart of an information sending module provided in an embodiment of the present application;

[0042] Figure 3 It is a schematic flowchart of an information receiving module provided in an embodiment of the present application;

[0043] Figure 4 It is a schematic flowchart of a multi-connected air conditioner communication method provided by an embodiment of the present application;

[0044] Figure 5 It is a schematic flowchart of verifying whether the execution parameter has changed provided in an embodiment of the present application;

[0045] Figure 6 It is a schematic flowchart of obtaining the information position of the indoor unit entering the sleep state provided in an embodiment of the present application;

[0046] Figure 7 It is a schematic flowchart of the information sending module sending execution information to the target communication module provided in an embodiment of the present application;

[0047] Figure 8 It is a schematic flowchart of the control chip generating a control signal provided in an embodiment of the present application;

[0048] Figure 9 It is a schematic diagram of an air conditioner system provided in an embodiment of the present application. Specific Embodiments

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

[0050] In the description of the embodiments of the present application, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "plurality" means two or more, unless otherwise specifically defined.

[0051] The following description is provided to enable any person skilled in the art to implement and use the present application. Details are set forth for purposes of explanation. It should be understood that those of ordinary skill in the art can recognize that the present application can be implemented without these specific details. In other instances, well-known processes will not be elaborated in detail to avoid obscuring the description of the embodiments of the present application with unnecessary details. Therefore, the present application is not intended to be limited to the illustrated embodiments, but is to be accorded the widest scope consistent with the principles and features disclosed in the embodiments of the present application.

[0052] The embodiments of the present application provide a multi-connected air conditioner communication method, device, air conditioner system, and storage medium. Among them, the communication device can be integrated into the air conditioner system, and the air conditioner system can be a server or a terminal device, etc.

[0053] First, the communication device provided by the embodiments of the present application will be introduced. Refer to Figure 1 , assuming that there are 8 communication modules in the communication device, then the communication device includes a control chip 100, an information sending module 101, communication modules 102A - 102H, and an information receiving module 103. The control chip 100 is respectively connected to the information sending module 101 and the information receiving module 103. The information sending module 101 is respectively connected to the communication modules 102A - 102H. The information receiving module 103 is respectively connected to the communication modules 102A - 102H. The communication device can be disposed inside the outdoor unit of the air conditioner to achieve time-sharing communication with multiple indoor units. At this time, the communication modules 102A - 102H in the communication device are respectively connected to the corresponding indoor units 104A - 104H. It should be noted that the number of communication modules is not limited to 8. For example, the number of communication modules can also be 3 or 2.

[0054] It should be noted that the connection between the communication module and the indoor unit includes a ground wire (hereinafter referred to as the N wire), a live wire (hereinafter referred to as the L wire), and an indoor and outdoor communication wire (hereinafter referred to as the S wire). Although Figure 1As shown in [figure], when the outdoor unit sends and receives information with the indoor unit through the communication device, only one line is involved. However, in actual use, if there are many indoor units, the total number of S lines, L lines, and N lines between the communication module and the indoor units will reach dozens. If directly connected to the control chip or directly connected to the information sending module 101 and the information receiving module 103 respectively, the lines are likely to be mixed and difficult to distinguish. Therefore, the communication device in the embodiments of the present application can simplify the wiring, which is beneficial for maintenance and update.

[0055] The communication device provided by the embodiments of the present application sets both the communication module and the circuit between the outdoor unit and the indoor unit in the outdoor unit in a traditional multi-connected air conditioner. Even if the indoor unit needs to be replaced, there is no need to change the circuit of the new indoor unit again. It only needs to connect the new indoor unit to one of the communication modules, which has high compatibility and low cost.

[0056] When the air conditioner starts to work, the control chip 100 first generates a control signal for controlling the indoor unit. The control signal includes execution information for instructing the indoor unit to work and address information for indicating a specific indoor unit. For example, the execution information can be information for instructing the indoor unit to perform an upgrade. When the indoor unit receives the execution information for the upgrade, it can perform corresponding performance upgrades according to the execution information. The address information is used to specify the indoor unit that needs to be upgraded among multiple indoor units or the communication module corresponding to the indoor unit that needs to be upgraded. If only indoor unit C among A, B, and C needs to be upgraded, the address information is used to specify indoor unit C or the communication module corresponding to indoor unit C. For the convenience of explanation, in the following text, it will be explained that the address information specifies the communication module. Combining the execution information and the address information, the communication device can specify a specific indoor unit to perform a specified operation.

[0057] Specifically, the control chip 100 can be a chip such as a CPU (Central Processing Unit), DSP (Digital Signal Processing), or MCU (Microcontroller Unit), and the embodiments of the present application do not limit this.

[0058] After the control chip 100 generates the control signal, it sends the control signal to the information sending module 101. After receiving the control signal, the information sending module 101 sends the execution information to the target communication module corresponding to the target indoor unit according to the address information. For example, if the target indoor unit is 104A, that is, the indoor unit targeted by the address information is 104A, or the communication module targeted by the address information is 102A, the information sending module 101 sends the execution signal to the communication module 102A.

[0059] Reference Figure 2, the information sending module 101 can be Figure 2 the chip module shown in Figure 2 . The chip module contains multiple pins. Among them, pins X0 - pin X7 are respectively connected to communication modules 102A - communication module 102H correspondingly, and are used to send execution information to the corresponding communication module. Pins A, pin B, and pin C are used to receive the address information in the control signal, determine the target communication module specified by the address information, and conduct the target pin connected to the target communication module. Pin X is used to receive the execution information sent by the control chip. The relationship between the information received by pins A, pin B, and pin C and the target pin can be referred to Table 1. In Table 1, if the information received by pins A, pin B, and pin C is 0, it represents receiving a low - level signal, and if it is 1, it represents receiving a high - level signal. For example, when the information received by pins A, pin B, and pin C are 0, 1, 0 respectively, that is, when the address information is 010, pin X2 is conducted, that is, the information sending module 101 sends the execution information to the communication module 102C.

[0060]

[0061] Table 1

[0062] It should be noted that Figure 2 it is only an example diagram of an information sending module 101. There may also be pins such as GND pins for grounding and power supply lines for connecting power supply on the information sending module in Figure 2 .

[0063] Furthermore, the address information received by the information sending module 101 can also be code information. Exemplarily, different hexadecimal codes can be assigned to each communication module in advance, so that the address information matches the hexadecimal code, and the execution information is sent to the matching communication module. Taking Figure 1 as an example, a hexadecimal code 0x0001 can be assigned to the communication module 102A, a hexadecimal code 0x0002 can be assigned to 102B, and so on. When the information sending module 101 detects that the address information in the control signal is 0x0001, it traverses the hexadecimal codes assigned to the communication modules 102A - communication module 102H. When it queries that the hexadecimal code 0x0001 of the communication module 102A matches the address information 0x0001 in the control signal, it determines that the communication module 102A is the target communication module, and sends the execution information to the communication module 102A.

[0064] After the target communication module receives the execution information, the target communication module further sends the execution information to the target indoor unit and receives the response information fed back by the target indoor unit. At this time, the target indoor unit that has not received the execution information remains silent or enters the sleep state to avoid chaos caused by multiple response information being fed back to the communication device.

[0065] Specifically, the response information can be a prompt message returned by the target indoor unit after completing the corresponding operation according to the execution information. For example, when the execution information is information used to instruct the indoor unit to perform an upgrade, the response information can be the prompt message feedback after the target indoor unit has completed the upgrade. After receiving the prompt message, the communication device can control the air conditioner to emit a prompt sound or display prompt text to remind the user that the upgrade has been completed.

[0066] After the target communication module receives the response information, it sends the response information to the information receiving module 103, and then the information receiving module 103 sends the response information to the control chip to complete the communication.

[0067] Reference Figure 3 , the information receiving module 103 can be composed of Figure 3 the circuit in. The information receiving module includes an NPN transistor 201, a communication interface 202, a base capacitor 203, an emitter capacitor 204, a pull-up resistor 205, a clamping diode 206, and a current-limiting resistor 207. The connection relationships of the components in the circuit are described below:

[0068] The 1 port of the communication interface 202 is connected to the communication module, and the 2 port is connected to the node 3 between the two diodes in the clamping diode 206. The 4 port of the pull-up resistor 205 is connected to the external power supply VCC, and the 5 port is connected to the node 3 between the two diodes in the clamping diode 206 and the input end 6 of the current-limiting resistor 207. The output end 7 of the current-limiting resistor 207 is respectively connected to the base B of the NPN transistor 201 and the input end 8 of the base capacitor 203. The output end 9 of the base capacitor 203 is respectively connected to the emitter E of the NPN transistor 201, the ground GND, and the input end 10 of the emitter capacitor 204. The output end 11 of the emitter capacitor 204 is connected to the control chip. The collector C of the NPN transistor 201 is connected to the control chip.

[0069] When the target communication module sends a response message to the information receiving module 103, the response message first reaches the communication interface 202. The clamping diode 206 limits the voltage of the response message to prevent excessive voltage from damaging the components in the information receiving module 103. Since the base B of the NPN-type triode is short-circuited with the communication module when the communication module does not send a response message to the information receiving module 103, the voltage cannot maintain a stable low-level state. Therefore, in order to keep the voltage at the input terminal 6 of the current-limiting resistor 207, that is, the voltage at the base B of the NPN-type triode, at a low level when no response message is sent to the information receiving module 103, a pull-up resistor 205 is introduced. When the base B of the NPN-type triode is at a high level, that is, when the target communication module feeds back a response message to the information receiving module 103, the NPN-type triode conducts, so the response message can be sent to the control chip. When the base B of the NPN-type triode is at a low level, that is, when the communication module does not feed back a response message to the information receiving module 103, the NPN-type triode is cut off, so the information receiving module 103 does not send any information to the control chip 100. <> <>

[0070] It should be noted that <> Figure 3 is only an example diagram of an information receiving module 103. In order to increase the stability of the information receiving module, the <> Figure 3 information receiving module 103 can be improved, such as adding a current-limiting resistor between the collector C of the NPN-type triode and the control chip 100. <> <>

[0071] In some embodiments, a relay can also be set in the information receiving module 103 to increase the stability of the communication device. The relay is respectively connected to the base of the NPN-type triode and the output terminal of the current-limiting resistor. When the clamping diode fails and the current-limiting resistor is set improperly, the current received by the relay is greater than the preset current threshold. At this time, the relay blocks the connection between the NPN-type triode and the current-limiting resistor to prevent excessive current from damaging the NPN-type triode and the control chip. At the same time, when an error occurs in the communication device and multiple communication modules send response messages to the information receiving module 103 simultaneously, resulting in excessive current, the connection between the NPN-type triode and the current-limiting resistor can be blocked, preventing the information receiving module 103 from sending the possible incorrect response message generated when the communication device makes an error to the control chip, thereby increasing the stability. <> <>

[0072] Furthermore, the relay can be replaced by any component that can conduct and block the circuit according to the current magnitude to achieve the same function, and the embodiments of the present application do not limit this. <> <>

[0073] After the control chip receives the response message, it can continue to generate the next set of control signals to complete the next round of communication. It should be noted that the next set of address information in the next set of control signals can indicate any communication module. <> Figure 1For example, if the target communication module pointed to by the previous set of address information is communication module 102A, the target communication module pointed to by the next set of address information can be any communication module among 102A - 102H. Suppose it is set that the target communication module pointed to by each set of address information is the next communication module of the target communication module pointed to by the previous set of address information. That is, when the target communication module pointed to by the previous set of address information is 102A, the target communication module pointed to by the next set of address information is 102B, the next communication module of 102A, and the target communication module pointed to by the next set of address information after that is 102C, the next communication module of 102B. Then, polling and time - division communication of the indoor unit can be achieved.

[0074] In summary, the communication device provided in the embodiment of the present application is arranged in the outdoor unit of the air conditioner; the communication device includes an information sending circuit and an information receiving circuit; the information sending circuit includes a communication module, an information sending module, and a control chip connected in sequence; the information receiving circuit includes a communication module, an information receiving module, and a control chip connected in sequence; the number of communication modules is at least two, and each communication module is connected to a corresponding indoor unit of the air conditioner. By setting multiple communication modules corresponding one - to - one with the indoor units and separately arranging multiple groups of communication connection lines between the outdoor unit and the indoor units, the wiring chaos between the outdoor unit and the indoor units can be avoided.

[0075] The communication device in the embodiment of the present application can be arranged in the outdoor unit of a multi - split air conditioner to achieve the control of multiple indoor units. Next, the multi - split air conditioner communication method provided in the embodiment of the present application will be introduced. The execution subject of the multi - split air conditioner communication method in the embodiment of the present application can be the communication device provided in the embodiment of the present application, or an air - conditioning system. In the following, the air - conditioning system will be taken as the execution subject for example to explain. It should be noted that taking the air - conditioning system as the execution subject for example is only for convenience of understanding and cannot be used as a limitation to the present application.

[0076] Refer to Figure 4 , Figure 4 FIG. is a schematic flowchart of a multi - split air conditioner communication method provided in the embodiment of the present application. It should be noted that although the logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in a different order from here. The multi - split air conditioner communication method includes steps 401 to 405, where:

[0077] 401. The control chip in the communication device generates a control signal and sends the control signal to the information sending module in the communication device.

[0078] 402. The information sending module sends the execution information in the control signal to the target communication module corresponding to the address information in the control signal, where the target communication module is one of the communication modules included in the communication device.

[0079] 403. The target communication module sends the execution information to the target indoor unit connected to the target communication module, and receives the response information fed back by the target indoor unit.

[0080] 404. The target communication module sends the response information to the information receiving module in the communication device.

[0081] 405. The information receiving module sends the response information to the control chip.

[0082] For some communication devices, the communication module can also be used to verify whether the execution information has changed due to transmission errors. Refer to Figure 5 , at this time, before the target communication module sends the execution information to the target indoor unit connected to the target communication module, it further includes:

[0083] 501. The target communication module obtains a first verification code according to the execution parameters in the execution information.

[0084] When the target communication module receives the execution information, it first obtains the execution parameters in the execution information that set the indoor unit operation instruction. For example, when the execution information is used to instruct the indoor unit to perform an update and upgrade operation, the execution parameters may include the target version number and the corresponding replacement code during the upgrade. After obtaining the execution parameters, a preset inversion or addition / subtraction operation can be performed on the hexadecimal code of the execution parameters to obtain the first verification code. For example, the preset operation is an inversion operation, and the hexadecimal code of the execution parameter is 0x0001, then the 0xfffe obtained after inverting 0x0001 is the first verification code.

[0085] Further, the code obtained after performing multiple operations on the execution parameters can also be used as the first verification code. Suppose the hexadecimal code of the execution parameter is 0x0001, 0x0001 can be added to the preset hexadecimal code, such as 0x0001, and then the obtained 0x0002 is inverted to obtain 0xfffd, and 0xfffd is used as the first verification code.

[0086] For each determined execution parameter, there is a uniquely corresponding first verification code, so the first verification code can be used to represent the execution parameter.

[0087] 502. The target communication module compares the first verification code with the second verification code included in the execution information.

[0088] 503. If the first verification code is the same as the second verification code, the target communication module will send the execution information to the target indoor unit connected to the target communication module.

[0089] After the target communication module calculates the first verification code, it first obtains the second verification code carried in the execution information. The second verification code is the verification code obtained by performing the preset operation described in step 501 on the execution parameters when the control chip generates the control signal.

[0090] Suppose that during the transmission process, the execution parameters change due to reasons such as line connection problems or errors in the pre-module. Then, the first verification code calculated by the target communication module and the second verification code calculated by the control chip will be different. Therefore, if the comparison result shows that the first verification code and the second verification code are different, it can be judged that the execution parameters have changed during the sending process and cannot be sent to the target indoor unit for execution. On the contrary, if the comparison result shows that the first verification code and the second verification code are the same, it can be judged that the execution parameters have not changed during the sending process and can be sent to the target indoor unit for execution.

[0091] Further, the steps of obtaining the first verification code and comparing the verification codes can be performed in other modules to determine the specific transmission process in which the execution parameters change. For example, the steps of obtaining the first verification code and comparing the verification codes can be set in the information sending module. If the first verification code and the second verification code are different, it means that the execution parameters have changed during the process of the control chip sending the control signal to the information sending module, and the user or maintenance personnel can specifically detect whether the information sending module and the control chip are faulty.

[0092] Further, the step of calculating the second verification code can also be performed in other modules to determine the specific transmission process in which the execution parameters change. For example, the step of calculating the second verification code can be performed in the information sending module, and the steps of obtaining the first verification code and comparing the verification codes can be performed in the communication module to judge whether the execution parameters have changed during the process of the information sending module sending the execution information to the target communication module.

[0093] In summary, by obtaining the first verification code and comparing the first verification code with the second verification code, it can be judged whether the execution parameters change during the transmission process, avoiding sending incorrect execution parameters to the target indoor unit.

[0094] For some communication devices, the positions of indoor units other than the target indoor unit can also be output, which is convenient for users to judge whether all indoor units except the target indoor unit have entered the sleep mode, avoiding the signals emitted by indoor units that have not entered the sleep mode from affecting the signal transmission in the communication device. Reference Figure 6, at this time, after the target communication module sends the execution information to the target indoor unit connected to the target communication module, it further includes:

[0095] 601. The control chip controls all indoor units other than the target indoor unit to enter the sleep mode.

[0096] The control chip can generate multiple sleep signals for controlling the indoor units to enter the sleep mode while generating the control signal. The sleep signals also include address parameters and execution parameters. The execution parameters are used to control the indoor units to perform the sleep operation, and the address parameters point to all indoor units other than the target indoor unit. After the target communication module sends the execution information to the target indoor unit, there is no signal being transmitted in the information sending circuit. Therefore, at this time, the control chip can send out multiple sleep signals in sequence, enabling the indoor units to enter the sleep state in sequence without causing signal chaos in the information sending circuit.

[0097] Among them, the reason for converting the indoor unit to the sleep mode can refer to the explanation in the above text and will not be elaborated here.

[0098] 602. The control chip outputs the location information of the indoor units in the sleep mode.

[0099] After the control chip sequentially controls all indoor units to enter the sleep mode, it can output the location information corresponding to each address parameter to the screen of the remote controller or to the peripheral device communicatively connected to the air conditioner, so that the user can determine whether all indoor units other than the target indoor unit have entered the sleep state.

[0100] Among them, the location information can be the room information where the indoor unit is located. For example, the corresponding room information can be preset for each indoor unit during installation. For the A indoor unit in Room A, the preset room information can be Room A. When the control chip outputs the location information of the A indoor unit, it can output the text "Room A" to the screen of the remote controller or the screen of the mobile phone associated with the air conditioner via Bluetooth. After seeing it, the user can determine whether the indoor unit in Room A has entered the sleep state.

[0101] Furthermore, the location information of the indoor units that have not entered the sleep state can also be output to determine whether all indoor units other than the target indoor unit have entered the sleep state, which will not be elaborated here.

[0102] For some communication devices, the information sending module includes multiple pins, and the multiple pins are respectively connected to the communication module. Therefore, the target communication module can be determined by finding the target sending pin among the multiple pins. Refer to Figure 7 , at this time, the information sending module sends the execution information in the control signal to the target communication module corresponding to the address information in the control signal, including:

[0103] 701. The information sending module obtains the execution information in the control signal and the address information in the control signal.

[0104] 702. The information sending module determines the target sending pin according to the address information.

[0105] 703. The information sending module sends the execution information to the target communication module connected to the target sending pin.

[0106] Reference Figure 2 And Table 1, assuming the address information is 010, the target sending pin corresponding to this address information is X2. Therefore, the information sending module sends the execution information to the communication module connected to X2.

[0107] For some air conditioners, the execution information can be obtained through the network, which is more conducive to the renewal and replacement of the indoor unit compared to air conditioners that cannot be connected to the network. Reference Figure 8 , at this time, the control chip in the communication device generates a control signal, including:

[0108] 801. The control chip in the communication device obtains the preset networked execution information and the address information of the sending pins included in the information sending module in the communication device.

[0109] 802. The control chip forms a control signal by combining the networked execution information and the address information.

[0110] The control chip can regularly call the networked module set in the outdoor unit to obtain the preset networked execution information in the cloud or server through WIFI. For example, the control chip can obtain the updated data uploaded by the manufacturer in the cloud every 1 month to upgrade the indoor unit in time.

[0111] At the same time, the control chip obtains the address information of one or more sending pins in the information sending module, and combines the address information and the networked execution information to obtain a control signal. Taking Figure 2 and Table 1 as an example, the control chip can obtain the address information of each sending pin from X0 - X7, and then combine the address information of each sending pin with the networked execution information respectively to obtain 8 control signals, and transmit them to 8 corresponding indoor units in a time-sharing manner to complete the upgrade of the indoor units.

[0112] Furthermore, if the address information is pre - allocated code, the pre - allocated code can be uploaded to the cloud or server first during installation. When generating the control signal, call the networked module to obtain the address information and networked execution information in the cloud or server through WIFI, so that the control signal can be generated quickly.

[0113] In addition, to better implement the multi-connected air conditioner communication method in the embodiments of the present application, based on the multi-connected air conditioner communication method, the embodiments of the present application further provide an air conditioner system. Refer to Figure 9 , Figure 9 which shows a schematic structural diagram of the air conditioner system in the embodiments of the present application. Specifically, the air conditioner system provided in the embodiments of the present application includes an indoor unit 901 and an outdoor unit 902, and a communication device described in the embodiments of the present application is provided in the outdoor unit 902. It should be noted that modules other than the communication device may also be provided in the outdoor unit 902, which will not be elaborated here.

[0114] Since a communication device described in the embodiments of the present application is provided in the outdoor unit 902, it can be understood that the outdoor unit 902 also executes the steps of any embodiment in the present application Figures 4 - 8 to complete.

[0115] Exemplarily, the program can be divided into one or more modules / units, and one or more modules / units are stored in the outdoor unit 902 and executed by the outdoor unit 902 to complete the embodiments of the present application. One or more modules / units can be a series of program instruction segments capable of completing specific functions, and these instruction segments are used to describe the execution process of the program in the communication device.

[0116] The air conditioner system may include, but is not limited to, the indoor unit 901 and the outdoor unit 902. Those skilled in the art can understand that the schematic diagram is only an example of the air conditioner system and does not constitute a limitation on the air conditioner system. It may include more or fewer components than shown in the figure, or combine some components, or have different components.

[0117] Components such as pipelines, heat exchange fins, and air deflector plates may be included in the indoor unit and the outdoor unit. Although not described in the embodiments of the present application, it can be understood that if the above components are used to implement the functions implemented in the embodiments of the present application, it is also considered to fall within the protection scope of the embodiments of the present application.

[0118] The control chip in the outdoor unit 902 can be a Central Processing Unit (CPU), or other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate Arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor, etc. The processor is the control center of the air-conditioning system and connects all parts of the entire air-conditioning system using various interfaces and lines.

[0119] The air-conditioning system can also include a memory. The memory can be used to store programs and / or modules. The processor realizes various functions of the communication device by running or executing the programs and / or modules stored in the memory and by calling the data stored in the memory. The memory mainly includes a program storage area and a data storage area. Among them, the program storage area can store an operating system, application programs required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; the data storage area can store data created according to the use of the air-conditioning system (such as audio data, video data, etc.), etc. In addition, the memory can include high-speed random access memory and can also include non-volatile memory, such as internal memory, SmartMedia Card (SMC), Secure Digital (SD) card, Flash Card, at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

[0120] Those skilled in the art can clearly understand that for the convenience and conciseness of description, the specific working processes of the above-described communication device, air-conditioning system, and their corresponding units can refer to the description of the multi-connected air-conditioning communication method in any embodiment, and will not be elaborated herein specifically.

[0121] Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructions or by controlling relevant hardware through instructions. The instructions can be stored in a storage medium and loaded and executed by the processor.

[0122] To this end, an embodiment of the present application provides a storage medium storing multiple instructions that can be loaded by a processor to execute the steps in the multi-connected air conditioner communication method in any embodiment of the present application. For specific operations, reference can be made to the description of the multi-connected air conditioner communication method in any embodiment, which will not be elaborated herein.

[0123] Among them, the storage medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc.

[0124] Since the instructions stored in the storage medium can execute the steps in the multi-connected air conditioner communication method in any embodiment of the present application, the beneficial effects achievable by the multi-connected air conditioner communication method in any embodiment of the present application can be realized. For details, refer to the previous description, which will not be elaborated herein.

[0125] The above has introduced in detail a multi-connected air conditioner communication method, device, storage medium and air conditioner system provided by the embodiments of the present application. Specific examples are used herein to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A communication device, characterized in that: The communication device is arranged on the outdoor unit of the air conditioner; The communication device includes an information sending circuit and an information receiving circuit; The information sending circuit includes a communication module, an information sending module and a control chip connected in sequence; The information receiving circuit includes a communication module, an information receiving module and a control chip connected in sequence; There are at least two communication modules, and each communication module is connected to a corresponding indoor unit of the air conditioner; The information receiving module includes an NPN transistor, a communication interface, a base capacitor, an emitter capacitor, a pull-up resistor, a clamping diode and a current-limiting resistor; One end of the communication interface is connected to the communication module, and the other end of the communication interface is connected to a node between two diodes in the clamping diode; One end of the pull-up resistor is connected to an external power supply, and the other end of the pull-up resistor is respectively connected to a node between two diodes in the clamping diode and an input end of the current limiting resistor; The output end of the current limiting resistor is connected to the base of the NPN transistor and the input end of the base capacitor respectively; The output end of the base capacitor is grounded and respectively connected to the emitter of the NPN transistor and the input end of the emitter capacitor; The output end of the emitter capacitor is connected to the control chip; The collector of the NPN transistor is connected to the control chip; The information receiving module further includes a relay, which is connected to the base of the NPN transistor and the output end of the current-limiting resistor respectively.

2. A multi-connected air conditioner communication method, characterized in that: The multi-connected air conditioner communication method is applied to the communication device according to claim 1, and the method includes: The control chip in the communication device generates a control signal and sends the control signal to the information sending module in the communication device; The information sending module sends the execution information in the control signal to the target communication module corresponding to the address information in the control signal, wherein the target communication module is one of the communication modules included in the communication device; The target communication module sends the execution information to the target indoor unit connected to the target communication module, and receives the response information fed back by the target indoor unit; The target communication module sends the response information to the information receiving module in the communication device; The information receiving module sends the response information to the control chip.

3. The multi-connected air conditioner communication method according to claim 2, characterized in that: Before the target communication module sends the execution information to the target indoor unit connected to the target communication module, the method further includes: The target communication module obtains a first verification code according to the execution parameters in the execution information; The target communication module compares the first verification code with a second verification code included in the execution information; If the first verification code is the same as the second verification code, the target communication module sends the execution information to the target indoor unit connected to the target communication module.

4. The multi-connected air conditioner communication method according to claim 2, characterized in that: After the target communication module sends the execution information to the target indoor unit connected to the target communication module, the method further includes: The control chip controls the other indoor units except the target indoor unit to switch to a sleep mode; The control chip outputs location information of the indoor unit in the sleep mode.

5. The multi-connected air conditioner communication method according to claim 2, characterized in that: The information sending module sends the execution information in the control signal to the target communication module corresponding to the address information in the control signal, including: The information sending module obtains the execution information in the control signal and the address information in the control signal; The information sending module determines a target sending pin according to the address information; The information sending module sends the execution information to the target communication module connected to the target sending pin.

6. The multi-connected air conditioner communication method according to claim 2, characterized in that: The control chip in the communication device generates a control signal, including: The control chip in the communication device obtains preset networking execution information and address information of the sending pin included in the information sending module in the communication device; The control chip combines the networking execution information and the address information into a control signal.

7. An air conditioning system, characterized in that: The air-conditioning system includes an indoor unit and an outdoor unit, and the air-conditioning system calls the outdoor unit to execute the steps in the multi-connected air-conditioning communication method according to any one of claims 2 to 6.

8. A storage medium, characterized in that: A computer program is stored thereon, and the computer program is loaded by a processor to execute the steps in the multi-connected air conditioner communication method according to any one of claims 2 to 6.

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