Air conditioner indoor and outdoor unit communication system, method, and air conditioner

Abstract

An air conditioner indoor and outdoor unit communication system, a method, and an air conditioner, relating to the field of household appliances. The system comprises: an indoor communication module (1) receiving a control signal, and sending a control instruction to an outdoor communication module (3) by means of an isolation module (2); the isolation module (2) transmitting to the outdoor communication module (3) the control instruction sent by the indoor communication module (1), and isolating the indoor communication module (1) and the outdoor communication module (3); the outdoor communication module (3) receiving the control instruction and waking up a switching power supply (4) interface on the basis of the control instruction, so as to control the switching power supply (4) to operate normally or to be in a standby state; and on the basis that the switching power supply (4) operates normally, the switching power supply (4) supplying power to the outdoor communication module (3), and the indoor communication module (1) using a power supply to charge the outdoor communication module (3); or on the basis of controlling the switching power supply (4) to be in a standby state, the outdoor communication module (3) discharging to maintain normal communication. The system overcomes the defect that the communication rate of strong current loop-based communication is low and strong current loop-based communication is unable to be suitable for big data transmission, and efficient weak current communication of indoor and outdoor units is achieved.

Description

Air conditioner indoor and outdoor unit communication system and method, and air conditioner

[0001] Cross-reference to Related Applications

[0002] This application claims priority to the Chinese patent application No. 2024104779916, filed on April 19, 2024, entitled “Air conditioner indoor and outdoor unit communication system and method, and air conditioner”, which is incorporated by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of household appliances, in particular to an air conditioner indoor and outdoor unit communication system and method, and air conditioner. BACKGROUND

[0004] With the high development of science and technology and the continuous improvement of people's living standards, the use of air conditioners has gradually become popular. As a household appliance, air conditioners have become an indispensable part of people's daily life.

[0005] Generally, an air conditioner includes an indoor unit and an outdoor unit, and data interaction communication is achieved between the indoor unit and the outdoor unit through a strong current loop.

[0006] However, the communication rate of the above-mentioned strong current loop communication is slow, which cannot be applied to future big data transmission. Moreover, it is controlled by the Internet of Things, so that data transmission and online upgrading of the indoor and outdoor units are difficult to achieve. SUMMARY

[0007] The present application provides an air conditioner indoor and outdoor unit communication system and method, and air conditioner, to solve the defects of slow communication rate and inability to apply to big data transmission in the prior art, improve the communication rate, and reduce the design cost.

[0008] The present application provides an air conditioner indoor and outdoor unit communication system, which includes an indoor communication module, an isolation module, an outdoor communication module, and a switching power supply. The indoor communication module and the outdoor communication module are connected through the isolation module, and the switching power supply is connected with the outdoor communication module. The indoor communication module receives a control signal and sends a control instruction to the outdoor communication module through the isolation module according to the control signal. The isolation module is used to transmit the control instruction sent by the indoor communication module to the outdoor communication module and isolate the indoor communication module and the outdoor communication module. The outdoor communication module receives the control instruction and wakes up the switching power supply interface according to the control instruction to control the switching power supply to work normally or standby. Based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module using the power supply. Or, based on the standby of the switching power supply, the outdoor communication module discharges to maintain normal communication.

[0009] According to the air conditioner indoor and outdoor machine communication system provided by the application, the isolation module comprises a first online line and a first optical coupler, the first optical coupler comprises a first optical coupler diode and a first optical coupler triode, and the first optical coupler diode and the first optical coupler triode are optoelectronically converted to transmit the control instruction sent by the indoor communication module to the outdoor communication module, a first isolation layer is formed between the first optical coupler diode and the first optical coupler triode to isolate the indoor communication module and the outdoor communication module, wherein the first optical coupler diode is connected to the indoor communication module, the first optical coupler triode is connected to the first online line, and the first online line is connected to the outdoor communication module; or the first online line is connected to the indoor communication module, the first optical coupler diode is connected to the first online line, and the first optical coupler triode is connected to the outdoor communication module.

[0010] According to the air conditioner indoor and outdoor machine communication system provided by the application, the outdoor communication module comprises a first signal receiving end and a control unit, the control instruction sent by the indoor communication module is received through the first signal receiving end, and the control unit is used to wake up the switching power supply interface according to the control instruction to control the switching power supply to normally work or standby; the outdoor communication module further comprises a first capacitor, a first resistor, an isolation unit and a power supply unit, so that the indoor communication module charges the power supply unit by using the power supply in the case that the switching power supply normally works, and the power supply unit discharges the control unit in the case that the switching power supply is in standby, and the indoor communication module and the outdoor communication module are isolated through the isolation unit to prevent the power supply unit from discharging the indoor communication module, wherein the first end of the first resistor is connected to the first signal receiving end and the first end of the first capacitor respectively; the second end of the first resistor is connected to the first online line and the first end of the isolation unit respectively, the first end of the isolation unit is connected to the first online line, and the first online line is connected to the electrode of the first optical coupler triode; or the second end of the first resistor is connected to the electrode of the first optical coupler triode and the first end of the isolation unit respectively, the first end of the isolation unit is connected to the electrode of the first optical coupler triode; the second end of the first capacitor is grounded; the second end of the isolation unit is connected to the first end of the power supply unit and the general chip power supply pin of the control unit respectively; and the second end of the power supply unit is grounded.

[0011] According to the air conditioner indoor and outdoor machine communication system provided by the application, the isolation unit adopts an isolation diode, the first end of the isolation unit is the anode of the isolation diode, and the second end of the isolation unit is the cathode of the isolation diode; and the power supply unit adopts an electrolytic capacitor.

[0012] According to the air conditioner indoor and outdoor machine communication system provided by the application, the indoor communication module comprises a first signal sending end for sending a control instruction, a second resistor, a third resistor, a first triode and a fourth resistor, wherein:

[0013] The first end of the second resistor is connected with the first signal sending end, the second end of the second resistor is connected with the first end of the third resistor and the base of the first triode respectively; the first end of the third resistor is connected with the base of the first triode, the second end of the third resistor is connected with the emitter of the first triode and grounded; the emitter of the first triode is grounded, the collector of the first triode is connected with the cathode of the first optocoupler diode or the collector of the first triode is connected with the cathode of the first optocoupler diode through the first on-line line; the anode of the first optocoupler diode is connected with the first end of the fourth resistor, the second end of the fourth resistor is connected with the general chip power supply pin of the control unit.

[0014] According to the air conditioner indoor and outdoor machine communication system provided in the application, the isolation module further comprises a second on-line line and a second optocoupler, the second optocoupler comprises a second optocoupler diode and a second optocoupler triode, the outdoor communication module, the second optocoupler, the second on-line line and the indoor communication module are sequentially connected, or the outdoor communication module, the second on-line line, the second optocoupler and the indoor communication module are sequentially connected, wherein: the outdoor communication module sends feedback information to the indoor communication module through the second on-line line and the second optocoupler; the feedback information sent by the outdoor communication module is transmitted to the indoor communication module through photoelectric conversion between the second optocoupler diode and the second optocoupler triode, a second isolation layer is formed between the second optocoupler diode and the second optocoupler triode to isolate the outdoor communication module and the indoor communication module; the indoor communication module receives the feedback information.

[0015] According to the air conditioner indoor and outdoor machine communication system provided in the application, the outdoor communication module comprises a second information sending end, a fifth resistor, a sixth resistor, a second triode and a seventh resistor, wherein: the first end of the fifth resistor is connected with the second information sending end, the second end of the fifth resistor is connected with the first end of the sixth resistor and the base of the second triode respectively; the second end of the sixth resistor is connected with the emitter of the second triode and the cathode of the second optocoupler diode respectively, and the second end of the sixth resistor is grounded; the emitter of the second triode is connected with the cathode of the second optocoupler diode and grounded, the collector of the second triode is connected with the first end of the seventh resistor; the second end of the seventh resistor is connected with the anode of the second optocoupler diode or the second end of the seventh resistor is connected with the anode of the second optocoupler diode through the second on-line line.

[0016] According to the air conditioner indoor and outdoor unit communication system provided in the application, the indoor communication module comprises a second information receiving end, an eighth resistor, a ninth resistor and a second capacitor, wherein: the first end of the eighth resistor is connected with the first end of the second information receiving end and the first end of the second capacitor respectively; the second end of the eighth resistor is connected with the first end of the ninth resistor and the second on-line line respectively, the second on-line line is connected with the electrode of the second optical coupling triode, and the first end of the ninth resistor is connected with the second on-line line; or, the second end of the eighth resistor is connected with the first end of the ninth resistor and the electrode of the second optical coupling triode respectively, and the first end of the ninth resistor is connected with the electrode of the second optical coupling triode; the second end of the ninth resistor is connected with the general chip power supply pin of the control unit; the second end of the second capacitor is connected with the emitter of the second optical coupling triode, and the second end of the second capacitor is grounded; and the emitter of the second optical coupling triode is grounded.

[0017] The application further provides an air conditioner indoor and outdoor unit communication method applied to any one of the above air conditioner indoor and outdoor unit communication systems, which comprises the following steps: the indoor communication module receives a control signal and sends a control instruction to the outdoor communication module through the isolation module according to the control signal; the isolation module is used for transmitting the control instruction sent by the indoor communication module to the outdoor communication module and isolating the indoor communication module and the outdoor communication module; the outdoor communication module receives the control instruction and wakes up the switching power supply interface according to the control instruction to control the switching power supply to normally work or standby; based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module by using the power supply; or, based on the standby of the switching power supply, the outdoor communication module discharges to maintain normal communication.

[0018] The application further provides an air conditioner comprising any one of the above air conditioner indoor and outdoor unit communication systems.

[0019] The application further provides an electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the air conditioner indoor and outdoor unit communication method according to any one of the above air conditioner indoor and outdoor unit communication methods.

[0020] The application further provides a non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program is executable on a processor to implement the steps of the air conditioner indoor and outdoor unit communication method according to any one of the above air conditioner indoor and outdoor unit communication methods.

[0021] The air conditioner indoor and outdoor machine communication system, method and air conditioner provided by the application, the indoor communication module generates a control instruction according to a received control signal and transmits the control instruction to the outdoor communication module through an isolation module, so that the outdoor communication module wakes up the switching power supply interface based on the control instruction, thereby making the switching power supply normally work or standby, realizing the weak current communication of the indoor and outdoor machines, improving the communication rate and reducing the design cost; the isolation module is arranged between the indoor communication module and the outdoor communication module, so as to isolate the indoor communication module and the outdoor communication module on the basis of ensuring the signal transmission of the indoor communication module and the outdoor communication module, so as to ensure that the indoor communication module and the outdoor communication module will not be affected by any damage; in the case that the switching power supply normally works, the switching power supply supplies power to the outdoor communication module, so as to ensure that the outdoor communication module can maintain normal communication, and the indoor communication module charges the outdoor communication module by using the switching power supply, so as to maintain the normal communication between the indoor communication module and the outdoor communication module by discharging the indoor communication module in the case that the switching power supply is in standby, thereby solving the problem that the outdoor machine cannot be powered off to reduce the standby power in the weak current communication process. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Fig. 1 is a structural schematic diagram of the air conditioner indoor and outdoor machine communication system provided by the application;

[0024] Fig. 2 is a structural schematic diagram of the air conditioner indoor and outdoor machine communication system provided by the application;

[0025] Fig. 3 is a structural schematic diagram of the air conditioner indoor and outdoor machine communication system provided by the application;

[0026] Fig. 4 is a flow schematic diagram of the air conditioner indoor and outdoor machine communication system method provided by the application; and

[0027] Fig. 5 is a structural schematic diagram of the electronic device provided by the application;

[0028] Fig. 1: 1: indoor communication module; 11: first signal sending end; 12: second resistor; 13: third resistor; 14: first triode; 15: fourth resistor; 16: second information receiving end; 17: eighth resistor; 18: ninth resistor; 19: second capacitor; 2: isolation module; 21: first online line; 22: first optocoupler; 221: first optocoupler diode; 222: first optocoupler triode; 23: second online line; 24: second optocoupler; 241: second optocoupler diode; 242: second optocoupler triode; 3: outdoor communication module; 31: first signal receiving end; 32: control unit; 33: first capacitor; 34: first resistor; 35: isolation unit; 36: power supply unit; 37: second information sending end; 38: fifth resistor; 39: sixth resistor; 3010: second triode; 3011: seventh resistor; 4: switching power supply. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] One air conditioner indoor and outdoor machine communication system in the present application will be described below with reference to Figs. 1 to 2. Referring to Fig. 1, the system comprises an indoor communication module 1, an isolation module 2, an outdoor communication module 3 and a switching power supply 4. The indoor communication module 1 and the outdoor communication module 3 are connected through the isolation module 2, and the switching power supply 4 is connected with the outdoor communication module. Among them,

[0031] The indoor communication module 1 receives a control signal and sends a control instruction to the outdoor communication module 3 through the isolation module 2 according to the control signal;

[0032] The isolation module 2 is used for transmitting the control instruction sent by the indoor communication module 1 to the outdoor communication module 3 and isolating the indoor communication module 1 and the outdoor communication module 3;

[0033] The outdoor communication module 3 receives the control instruction and wakes up the interface of the switching power supply 4 according to the control instruction to control the switching power supply 4 to work normally or standby;

[0034] Based on the normal working of the switching power supply 4, the switching power supply 4 supplies power for the outdoor communication module, and the indoor communication module 1 charges the outdoor communication module 3 by using the power supply; or, based on the standby of the switching power supply 4, the indoor communication module 1 discharges to maintain normal communication.

[0035] It should be noted that the control signal can be a signal sent by the remote control terminal of the air conditioner, such as a standby signal or a start signal, and the control instruction is determined according to the control signal, for example, when the control signal is a standby signal, the control instruction is a standby control instruction, and for another example, when the control signal is a start signal, the control instruction is a start control instruction. In addition, the power supply for charging the outdoor communication module by the indoor communication module can be a switching power supply or other power supply, which is not limited further herein.

[0036] In an optional embodiment, a weak current communication mode, such as RS485 communication, is adopted between the indoor communication module 1 and the outdoor communication module 3.

[0037] In this embodiment, the isolation module 2 includes a first online line 21 and a first optocoupler 22, the first optocoupler 22 includes a first optocoupler diode 221 and a first optocoupler triode 222, and the first optocoupler diode 221 and the first optocoupler triode 222 are optically converted to transmit the control instruction sent by the indoor communication module 1 to the outdoor communication module 3, and a first isolation layer is formed between the first optocoupler diode 221 and the first optocoupler triode 222 to isolate the indoor communication module 1 and the outdoor communication module 3, so as to ensure that the normal use of the remaining part is not affected by the damage of any of the indoor communication module and / or the outdoor communication module.

[0038] Referring to FIG. 2, FIG. 2 takes the first optocoupler triode 222 connected with the outdoor communication module 3 through the first online line 21 as an example, and the first optocoupler diode connected with the indoor communication module through the first online line can be referred to accordingly, which is only an example. Specifically, the first optocoupler diode 221 is connected with the indoor communication module 1, the first optocoupler triode 222 is connected with the first online line 21, and the first online line 21 is connected with the outdoor communication module 3; or, the first online line 21 is connected with the indoor communication module 1, the first optocoupler diode 221 is connected with the first online line 21, and the first optocoupler triode 222 is connected with the outdoor communication module 3.

[0039] Further, the outdoor communication module 3 includes a first signal receiving end 31 and a control unit 32, receives the control instruction sent by the indoor communication module 1 through the first signal receiving end 31, and wakes up the switching power supply interface according to the control instruction through the control unit 32, so as to control the switching power supply to work normally or standby.

[0040] It should be noted that the switching power supply has a self-protection wake-up function, and after protection is generated, the switching power supply stops power supply and is controlled by the control unit. The control unit can adopt a microcontroller unit (MCU), which is not limited further herein.

[0041] Further, the outdoor communication module 3 further comprises a first capacitor 33, a first resistor 34, an isolation unit 35 and a power supply unit 36, so that, in the case that the control switch power supply is in normal working state, the indoor communication module 1 charges the power supply unit 36 by using the power supply, and in the case that the control switch power supply is in standby state, the power supply unit 36 discharges the control unit 32, and the indoor communication module 1 and the outdoor communication module 3 are isolated by the isolation unit 35, so as to prevent the power supply unit 36 from discharging the indoor communication module 1.

[0042] Specifically, the first end of the first resistor 34 is connected with the first signal receiving end 31 and the first end of the first capacitor 33 respectively; the second end of the first resistor 34 is connected with the first online line 21 and the first end of the isolation unit 35 respectively, the first end of the isolation unit 35 is connected with the first online line 21, and the first online line 21 is connected with the electrode of the first optical coupling triode 22; or, the second end of the first resistor is connected with the electrode of the first optical coupling triode and the first end of the isolation unit respectively, and the first end of the isolation unit is connected with the electrode of the first optical coupling triode; the second end of the first capacitor 33 is grounded; the second end of the isolation unit 34 is connected with the first end of the power supply unit 36 and the universal chip power supply (VCC) pin of the control unit 32 respectively; and the second end of the power supply unit 36 is grounded.

[0043] In an optional embodiment, the isolation unit adopts an isolation diode, the first end of the isolation unit is the anode of the isolation diode, and the second end of the isolation unit is the cathode of the isolation diode. It should be noted that, by adopting the isolation diode, it can be ensured that, when the indoor communication module charges the power supply unit by using the power supply, the circuit between the indoor communication module and the outdoor communication module is in a connected state, and when the power supply unit supplies power to the control unit, the circuit between the indoor communication module and the outdoor communication module is in a disconnected state, thereby avoiding that the power supply unit supplies power to the indoor communication module.

[0044] In an optional embodiment, the power supply unit adopts an electrolytic capacitor. It should be noted that, by adopting the electrolytic capacitor, the stability of the equipment operation can be improved, and the electrolytic capacitor has a long service life and large capacity, can adapt to long-time work, will not be easily damaged, can reduce the replacement of devices, and save costs.

[0045] In addition, the indoor communication module 1 comprises a first signal sending end 11 for sending control instructions, a second resistor 12, a third resistor 13, a first triode 14 and a fourth resistor 15, wherein: the first end of the second resistor 12 is connected with the first signal sending end 11, the second end of the second resistor 12 is connected with the first end of the third resistor 13 and the base of the first triode 14 respectively; the first end of the third resistor 13 is connected with the base of the first triode 14, the second end of the third resistor 13 is connected with the emitter of the first triode 14, and the second end of the third resistor 13 is grounded; the emitter of the first triode 14 is grounded, the collector of the first triode 14 is connected with the cathode of the first optocoupler diode 221, or the collector of the first triode is connected with the cathode of the first optocoupler diode through the first online line; the anode of the first optocoupler diode 221 is connected with the first end of the fourth resistor 15, and the second end of the fourth resistor 15 is connected with the universal chip power supply (VCC) pin of the control unit 32.

[0046] In an optional embodiment, referring to FIG. 3, the second optocoupler triode 242 is connected with the indoor communication module 1 through the second online line 23, and the second optocoupler triode is connected with the outdoor communication module through the first online line, which can be referred to accordingly, and here is only an example.

[0047] Specifically, the isolation module 2 further comprises a second online line 23 and a second optocoupler 24, the second optocoupler 24 comprises a second optocoupler diode 241 and a second optocoupler triode 242, the outdoor communication module 3, the second optocoupler 24, the second online line 23 and the indoor communication module 1 are connected in sequence, or the outdoor communication module 3, the second online line 23, the second optocoupler 24 and the indoor communication module 1 are connected in sequence, wherein: the outdoor communication module 3 sends feedback information to the indoor communication module 1 through the second online line 23 and the second optocoupler 24; the feedback information sent by the outdoor communication module 3 is transmitted to the indoor communication module 1 through photoelectric conversion between the second optocoupler diode 241 and the second optocoupler triode 242, a second isolation layer is formed between the second optocoupler diode 241 and the second optocoupler triode 242 to isolate the outdoor communication module 3 and the indoor communication module 1, so as to ensure that the damage of any one of the indoor communication module and / or the outdoor communication module will not affect the normal use of the rest; the indoor communication module 1 receives the feedback information.

[0048] It should be noted that the feedback signal comprises state information of the outdoor communication module after the switch power supply is controlled based on the received control instruction, such as the actual working frequency of the outdoor unit, the refrigeration state, the heating state and the corresponding temperature, so as to adjust the charging of the power supply unit based on the feedback information, which can be set according to the actual charging and discharging capacity of the power supply unit and the power supply demand of the control unit, and will not be limited further here.

[0049] Specifically, the outdoor communication module 3 comprises a second information sending end 37, a fifth resistor 38, a sixth resistor 39, a second triode 3010 and a seventh resistor 3011, wherein: the first end of the fifth resistor 38 is connected with the second information sending end 37, and the second end of the fifth resistor 38 is connected with the first end of the sixth resistor 39 and the base of the second triode 3010 respectively; the second end of the sixth resistor 39 is connected with the emitter of the second triode 3010 and the cathode of the second optocoupler diode 241 respectively, and the second end of the sixth resistor 39 is grounded; the emitter of the second triode 3010 is connected with the cathode of the second optocoupler diode 241, and the emitter of the second triode 3010 is grounded, and the collector of the second triode 3010 is connected with the first end of the seventh resistor 3011; the second end of the seventh resistor 3011 is connected with the anode of the second optocoupler diode 241, or the second end of the seventh resistor 3011 is connected with the anode of the second optocoupler diode 241 through the second connection line 23.

[0050] In addition, the indoor communication module 1 comprises a second information receiving end 16, an eighth resistor 17, a ninth resistor 18 and a second capacitor 19, wherein: the first end of the eighth resistor 17 is connected with the second information receiving end 16 and the first end of the second capacitor 19 respectively; the second end of the eighth resistor 17 is connected with the first end of the ninth resistor 18 and the second connection line 23 respectively, the second connection line 23 is connected with the electrode of the second optocoupler triode 242, and the first end of the ninth resistor 18 is connected with the second connection line 23; or, the second end of the eighth resistor is connected with the first end of the ninth resistor and the electrode of the second optocoupler triode respectively, the first end of the ninth resistor is connected with the electrode of the second optocoupler triode; the second end of the ninth resistor 18 is connected with the general chip power supply (VCC) pin of the control unit 32; the second end of the second capacitor 19 is connected with the emitter of the second optocoupler triode 232, and the second end of the second capacitor 19 is grounded; the emitter of the second optocoupler triode 242 is grounded.

[0051] In summary, the indoor communication module according to the embodiment of the application generates a control instruction according to the received control signal, and transmits the control instruction to the outdoor communication module through the isolation module, so that the outdoor communication module wakes up the switching power supply interface based on the control instruction, thereby making the switching power supply work normally or standby, realizing the weak current communication between the indoor unit and the outdoor unit, improving the communication rate, and reducing the design cost; the isolation module is arranged between the indoor communication module and the outdoor communication module, so as to isolate the indoor communication module and the outdoor communication module on the basis of ensuring the signal transmission between the indoor communication module and the outdoor communication module, thereby ensuring that the indoor communication module and the outdoor communication module will not be affected by any damage; in the case that the switching power supply works normally, the switching power supply supplies power to the outdoor communication module, so as to ensure that the outdoor communication module can maintain normal communication, and the indoor communication module charges the outdoor communication module by using the switching power supply, so as to maintain the normal communication between the indoor communication module and the outdoor communication module by discharging the indoor communication module in the case that the switching power supply is in standby, thereby solving the problem that the outdoor unit cannot be powered off to reduce standby power in the weak current communication process.

[0052] The air conditioner indoor and outdoor unit communication method provided by the application will be described below. The air conditioner indoor and outdoor unit communication method described below can be correspondingly referred to the air conditioner indoor and outdoor unit communication system described above.

[0053] FIG. 4 shows a flowchart of an air conditioner indoor and outdoor unit communication method, which is applied to the air conditioner indoor and outdoor unit communication system described above, and the method comprises the following steps.

[0054] S41, the indoor communication module receives a control signal, and sends a control instruction to the outdoor communication module through the isolation module according to the control signal.

[0055] S42, the isolation module is used to transmit the control instruction sent by the indoor communication module to the outdoor communication module, and isolate the indoor communication module and the outdoor communication module.

[0056] S43, the outdoor communication module receives the control instruction, and wakes up the switching power supply interface according to the control instruction, so as to control the switching power supply to work normally or standby.

[0057] S44, based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module by using the power supply; or, based on the standby of the switching power supply, the outdoor communication module discharges to maintain normal communication.

[0058] In an optional embodiment, the indoor communication module and the outdoor communication module adopt a weak current communication mode, such as RS485 communication.

[0059] In the embodiment, the isolation module comprises a first online line and a first optocoupler, the first optocoupler comprises a first optocoupler diode and a first optocoupler triode, the first optocoupler diode and the first optocoupler triode are optoelectronically converted to transmit the control instruction sent by the indoor communication module to the outdoor communication module, a first isolation layer is formed between the first optocoupler diode and the first optocoupler triode to isolate the indoor communication module and the outdoor communication module, and it is ensured that any damage of the indoor communication module and / or the outdoor communication module does not affect the normal use of the rest.

[0060] Further, the outdoor communication module comprises a first signal receiving end and a control unit, the outdoor communication module receives the control instruction and wakes up the switching power supply interface according to the control instruction to control the switching power supply to normally work or standby, which comprises: receiving the control instruction sent by the indoor communication module through the first signal receiving end; and waking up the switching power supply interface according to the control instruction through the control unit to control the switching power supply to normally work or standby.

[0061] Further, the outdoor communication module further comprises a first capacitor, a first resistor, an isolation unit and a power supply unit, based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module by using the power supply, which comprises: in the case of controlling the switching power supply to normally work, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the power supply unit by using the power supply.

[0062] In addition, based on the standby of the switching power supply, the outdoor communication module discharges to maintain normal communication, which comprises: in the case of controlling the switching power supply to standby, the power supply unit discharges to the control unit to maintain normal communication with the indoor communication module, and the indoor communication module and the outdoor communication module are isolated by the isolation unit to prevent the power supply unit from discharging to the indoor communication module.

[0063] In an optional embodiment, the isolation unit adopts an isolation diode, the first end of the isolation unit is the anode of the isolation diode, and the second end of the isolation unit is the cathode of the isolation diode. It should be noted that by adopting the isolation diode, it can be ensured that when the indoor communication module charges the power supply unit by using the power supply, the circuit between the indoor communication module and the outdoor communication module is in a connected state, and when the power supply unit supplies power to the control unit, the circuit between the indoor communication module and the outdoor communication module is in a disconnected state, thereby avoiding the power supply unit supplying power to the indoor communication module.

[0064] In an optional embodiment, the power supply unit adopts an electrolytic capacitor. It should be noted that by adopting the electrolytic capacitor, the stability of the equipment operation can be improved, and the electrolytic capacitor has long service life and large capacity, can adapt to long time work, will not be easily damaged, can reduce the replacement of devices, and save costs.

[0065] In an alternative embodiment, the isolation module further comprises a second online line and a second optocoupler, the second optocoupler comprising a second optocoupler diode and a second optocoupler triode, and the method further comprises: the outdoor communication module sending feedback information to the indoor communication module through the second online line and the second optocoupler; the feedback information sent by the outdoor communication module is transmitted to the indoor communication module through photoelectric conversion between the second optocoupler diode and the second optocoupler triode, and a second isolation layer is formed between the second optocoupler diode and the second optocoupler triode to isolate the outdoor communication module and the indoor communication module, so as to ensure that any damage to the indoor communication module and / or the outdoor communication module does not affect the normal use of the other; and the indoor communication module receives the feedback information.

[0066] In summary, the indoor communication module according to the embodiments of the present application generates a control instruction according to the received control signal and transmits the control instruction to the outdoor communication module through the isolation module, so that the outdoor communication module wakes up the switching power supply interface based on the control instruction, thereby enabling the switching power supply to work normally or standby, achieving weak current communication between the indoor and outdoor units, improving the communication rate, and reducing the design cost; by arranging the isolation module between the indoor communication module and the outdoor communication module, the indoor communication module and the outdoor communication module are isolated on the basis of ensuring signal transmission between the indoor communication module and the outdoor communication module, so as to ensure that any damage to the indoor communication module and / or the outdoor communication module does not affect the normal use of the other; in the case of normal operation of the switching power supply, the outdoor communication module is powered by the switching power supply to ensure that the outdoor communication module can maintain normal communication, and the indoor communication module charges the outdoor communication module using the switching power supply, so that in the case of standby of the switching power supply, the outdoor communication module internally discharges to maintain normal communication with the indoor communication module, solving the problem that the outdoor unit cannot self-power off to reduce standby power in the weak current communication process.

[0067] The present application also provides an air conditioner comprising the air conditioner indoor and outdoor unit communication system as described above.

[0068] Specifically, the air conditioner comprises the air conditioner indoor and outdoor unit communication system as described above, and can use the isolation module to achieve signal transmission between the indoor communication module and the outdoor communication module and isolate the indoor communication module and the outdoor communication module based on the air conditioner indoor and outdoor unit communication system, thereby avoiding the case that any damage to the indoor communication module or the outdoor communication module affects the normal use of the other; in addition, in the case of normal operation of the switching power supply, the outdoor communication module is powered by the switching power supply to ensure that the outdoor communication module can maintain normal communication, and the indoor communication module charges the outdoor communication module using the power supply, so that in the case of standby of the switching power supply, the outdoor communication module internally discharges to maintain normal communication with the indoor communication module.

[0069] The specific structure and optimization method of the air conditioner display panel power optimization system of the air conditioner can refer to the above-mentioned embodiments, which will not be repeated here.

[0070] Fig. 5 illustrates a schematic diagram of the physical structure of an electronic device, as shown in Fig. 5, which can include a processor 510, a communications interface 520, a memory 530, and a communications bus 540, wherein the processor 510, the communications interface 520, and the memory 530 communicate with each other through the communications bus 540. The processor 510 can invoke the logical instructions in the memory 530 to execute the air conditioner indoor and outdoor communication method, which includes: the indoor communication module receives a control signal and sends a control instruction to the outdoor communication module through the isolation module according to the control signal; the isolation module is used to transmit the control instruction sent by the indoor communication module to the outdoor communication module and isolate the indoor communication module and the outdoor communication module; the outdoor communication module receives the control instruction and wakes up the switching power supply interface according to the control instruction to control the switching power supply to work normally or standby; based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module using the power supply; or, based on the standby of the switching power supply, the outdoor communication module discharges to maintain normal communication.

[0071] In addition, the logical instructions in the memory 530 described above can be implemented in the form of a software function unit and sold or used as an independent product, which can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or part of the technical solutions can be embodied in the form of a software product, which is stored in a storage medium, including a plurality of instructions to make a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in the embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various program code storage media.

[0072] In another aspect, the present application also provides a computer program product, which comprises a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the air conditioner indoor and outdoor unit communication method provided by the above method, the method comprising: an indoor communication module receiving a control signal and sending a control instruction to an outdoor communication module through an isolation module according to the control signal; an isolation module configured to transmit the control instruction sent by the indoor communication module to the outdoor communication module and isolate the indoor communication module and the outdoor communication module; the outdoor communication module receiving the control instruction and waking up a switching power supply interface according to the control instruction to control the switching power supply to work normally or standby; based on the switching power supply working normally, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module using the power supply; or, based on the switching power supply standby, the outdoor communication module discharges to maintain normal communication.

[0073] In yet another aspect, the present application also provides a non-transitory computer readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the air conditioner indoor and outdoor unit communication method provided by the above method, the method comprising: an indoor communication module receiving a control signal and sending a control instruction to an outdoor communication module through an isolation module according to the control signal; an isolation module configured to transmit the control instruction sent by the indoor communication module to the outdoor communication module and isolate the indoor communication module and the outdoor communication module; the outdoor communication module receiving the control instruction and waking up a switching power supply interface according to the control instruction to control the switching power supply to work normally or standby; based on the switching power supply working normally, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module using the power supply; or, based on the switching power supply standby, the outdoor communication module discharges to maintain normal communication.

[0074] The device embodiments described above are merely illustrative, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., they can be located in one place or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the present embodiment scheme according to actual needs. Those skilled in the art can understand and implement it without creative labor.

[0075] Those skilled in the art can clearly understand the implementation of the various embodiments by means of software and necessary general hardware platforms through the description of the above embodiments, and of course, the various embodiments can also be implemented by hardware. Based on such understanding, the above technical solutions, essentially or in other words, the part of the prior art that contributes to the technical solutions can be embodied in the form of a software product. The computer software product can be stored in a computer readable storage medium, such as a ROM / RAM, a magnetic disk, an optical disk, and the like, and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0076] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An air conditioner indoor and outdoor machine communication system, comprising an indoor communication module, an isolation module, an outdoor communication module and a switching power supply, the indoor communication module and the outdoor communication module are connected through the isolation module, the switching power supply is connected with the outdoor communication module, wherein the indoor communication module receives a control signal and sends a control instruction to the outdoor communication module through the isolation module according to the control signal; the isolation module is used for transmitting the control instruction sent by the indoor communication module to the outdoor communication module, and isolating the indoor communication module and the outdoor communication module; the outdoor communication module receives the control instruction and wakes up the switching power supply interface according to the control instruction to control the switching power supply to work normally or standby; based on the normal working of the switching power supply, the switching power supply supplies power to the outdoor communication module, and the indoor communication module charges the outdoor communication module by using the power supply; or, based on the standby of the control switching power supply, the outdoor communication module discharges to maintain normal communication.

2. The air conditioner indoor and outdoor unit communication system of claim 1, wherein, the isolation module comprises a first online line and a first optocoupler, the first optocoupler comprises a first optocoupler diode and a first optocoupler triode, the first optocoupler diode and the first optocoupler triode are optically converted to transmit the control instruction sent by the indoor communication module to the outdoor communication module, a first isolation layer is formed between the first optocoupler diode and the first optocoupler triode to isolate the indoor communication module and the outdoor communication module, wherein: the first optocoupler diode is connected with the indoor communication module, the first optocoupler triode is connected with the first online line, and the first online line is connected with the outdoor communication module; or, the first online line is connected with the indoor communication module, the first optocoupler diode is connected with the first online line, and the first optocoupler triode is connected with the outdoor communication module.

3. The air conditioner indoor and outdoor unit communication system of claim 2, wherein, the outdoor communication module comprises a first signal receiving end and a control unit, the control instruction sent by the indoor communication module is received through the first signal receiving end, and the control unit wakes up the switching power supply interface according to the control instruction to control the control switching power supply to work normally or standby; the outdoor communication module further comprises a first capacitor, a first resistor, an isolation unit and a power supply unit, in the case that the control switching power supply works normally, the indoor communication module charges the power supply unit by using the power supply, and in the case that the control switching power supply is standby, the power supply unit discharges to the control unit, and the indoor communication module and the outdoor communication module are isolated through the isolation unit to prevent the power supply unit from discharging to the indoor communication module, wherein the first end of the first resistor is connected with the first signal receiving end and the first end of the first capacitor respectively. The second end of the first resistor is connected with the first end of the first online line and the isolation unit respectively, the first end of the isolation unit is connected with the first online line, and the first online line is connected with the electrode of the first optocoupler triode; or, the second end of the first resistor is connected with the electrode of the first optocoupler triode and the first end of the isolation unit respectively, and the first end of the isolation unit is connected with the electrode of the first optocoupler triode; The second end of the first capacitor is grounded. The second end of the isolation unit is connected with the first end of the power supply unit and the general chip power supply pin of the control unit respectively. The second end of the power supply unit is grounded.

4. The air conditioner indoor and outdoor unit communication system of claim 3, wherein, The isolation unit adopts an isolation diode, the first end of the isolation unit is the anode of the isolation diode, and the second end of the isolation unit is the cathode of the isolation diode. The power supply unit adopts an electrolytic capacitor.

5. The air conditioner indoor and outdoor unit communication system of claim 3, wherein, The indoor communication module comprises a first signal sending end for sending a control instruction, a second resistor, a third resistor, a first triode and a fourth resistor, wherein the first end of the second resistor is connected with the first signal sending end, and the second end of the second resistor is connected with the first end of the third resistor and the base of the first triode respectively; The first end of the third resistor is connected with the base of the first triode, the second end of the third resistor is connected with the emitter of the first triode, and the second end of the third resistor is grounded; The emitter of the first triode is grounded, and the collector of the first triode is connected with the cathode of the first optocoupler diode or connected with the cathode of the first optocoupler diode through the first online line; The anode of the first optocoupler diode is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the general chip power supply pin of the control unit. 6.The communication system of indoor and outdoor units of an air conditioner according to claim 3, wherein, The isolation module further comprises a second online line and a second optocoupler, the second optocoupler comprises a second optocoupler diode and a second optocoupler triode, and the outdoor communication module, the second optocoupler, the second online line and the indoor communication module are connected in sequence, or the outdoor communication module, the second online line, the second optocoupler and the indoor communication module are connected in sequence, wherein the outdoor communication module sends feedback information to the indoor communication module through the second online line and the second optocoupler; The second optocoupler diode and the second optocoupler triode are optoelectronically converted to transmit the feedback information sent by the outdoor communication module to the indoor communication module, and a second isolation layer is formed between the second optocoupler diode and the second optocoupler triode to isolate the outdoor communication module and the indoor communication module; The indoor communication module receives the feedback information. 7.The communication system of indoor and outdoor units of an air conditioner according to claim 6, wherein, The outdoor communication module comprises a second information sending end, a fifth resistor, a sixth resistor, a second triode and a seventh resistor, wherein the first end of the fifth resistor is connected with the second information sending end, and the second end of the fifth resistor is connected with the first end of the sixth resistor and the base of the second triode respectively; The second end of the sixth resistor is connected with the emitter of the second triode and the cathode of the second optocoupler diode respectively, and the second end of the sixth resistor is grounded. The emitter of the second triode is connected with the cathode of the second optocoupler diode, and the emitter of the second triode is grounded, and the collector of the second triode is connected with the first end of the seventh resistor. The second end of the seventh resistor is connected with the anode of the second optocoupler diode, or the second end of the seventh resistor is connected with the anode of the second optocoupler diode through the second online line. 8.The communication system of indoor and outdoor units of an air conditioner according to claim 6, wherein, The indoor communication module comprises a second information receiving end, an eighth resistor, a ninth resistor and a second capacitor, The first end of the eighth resistor is connected with the second information receiving end and the first end of the second capacitor respectively. The second end of the eighth resistor is connected with the first end of the ninth resistor and the second online line respectively, the second online line is connected with the electrode of the second optocoupler triode, and the first end of the ninth resistor is connected with the second online line; or, the second end of the eighth resistor is connected with the first end of the ninth resistor and the electrode of the second optocoupler triode respectively, and the first end of the ninth resistor is connected with the electrode of the second optocoupler triode. The second end of the ninth resistor is connected with the general chip power supply pin of the control unit. The second end of the second capacitor is connected with the emitter of the second optocoupler triode, and the second end of the second capacitor is grounded. The emitter of the second optocoupler triode is grounded.

9. An air conditioner indoor and outdoor unit communication method, applied to the air conditioner indoor and outdoor unit communication system of any one of claims 1-7, comprising: The indoor communication module receives a control signal, and sends a control instruction to the outdoor communication module through the isolation module according to the control signal; The isolation module is used for transmitting the control instruction sent by the indoor communication module to the outdoor communication module, and isolating the indoor communication module and the outdoor communication module; The outdoor communication module receives the control instruction, and wakes up the switching power supply interface according to the control instruction, to control the switching power supply to work normally or standby; Based on the normal working of the switching power supply, the switching power supply supplies power for the outdoor communication module, and the indoor communication module charges the outdoor communication module by using the power supply; or, based on the standby of the control switching power supply, the outdoor communication module discharges to maintain normal communication.

10. An air conditioner, comprising the air conditioner indoor and outdoor unit communication system of any one of claims 1-8.

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