CN214536732U - Control device, air conditioner controller and air conditioner - Google Patents
Control device, air conditioner controller and air conditioner Download PDFInfo
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- CN214536732U CN214536732U CN202120144776.6U CN202120144776U CN214536732U CN 214536732 U CN214536732 U CN 214536732U CN 202120144776 U CN202120144776 U CN 202120144776U CN 214536732 U CN214536732 U CN 214536732U
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Abstract
The utility model discloses a controlling means, air conditioner controller and air conditioner, controlling means includes: a first control board having a first communication unit including a first transmitting unit and a first receiving unit; a second control board having a power supply circuit and a second communication unit including a second transmitting unit and a second receiving unit; a third control board having a control unit and a third communication unit including a third transmitting unit and a third receiving unit; when the standby mode is in use, the third receiving unit and the first communication unit carry out half-duplex communication, the power supply circuit is disconnected, and the second sending unit does not work; when the power supply unit is started, the power supply circuit is conducted, the second communication unit and the first communication unit perform half-duplex communication, the third communication unit receives a communication information instruction between the first communication unit and the second communication unit and executes corresponding action, and the third sending unit does not work. The utility model discloses can effectively reduce the stand-by power consumption of air conditioner, and simple structure, interference immunity is strong, and the reliability is high, and control is simple.
Description
Technical Field
The utility model belongs to the technical field of the air conditioning technique and specifically relates to a controlling means, air conditioner controller and air conditioner is related to.
Background
At present, the power supply modes for air conditioners, such as inverter air conditioners, mainly include the following two types:
one is a pseudo outdoor power supply mode, namely, a mains supply is directly connected to an indoor unit through a wiring terminal of an outdoor unit through a cable, the indoor unit performs low standby power consumption control, an extra cable between the indoor unit and the outdoor unit is required to be added at the position, the cost is increased, and the complexity of the circuit is increased.
The other method is to monitor the communication signals of the indoor unit and the outdoor unit, switch on the power supply of the outdoor unit when the communication signals are detected, and switch off the power supply of the outdoor unit if the communication signals are not detected. In this method, a communication signal is detected by hardware, and the communication signal is used to further control a main power supply relay of the outdoor unit, so as to control the on/off of the power supply of the outdoor unit. The scheme is characterized in that a hardware circuit is used for detecting communication signals, so that the circuit is complex and is easy to interfere, and the control signal of the on-off control circuit is obtained by detecting the communication signals, so that the reliability and the working stability of the air conditioner are insufficient in the service life of more than ten years.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, an object of the present invention is to provide a control device, which can be applied to an air conditioner, and can effectively reduce the standby power consumption of the air conditioner, and has the advantages of simple structure, low cost, strong anti-interference performance, high reliability and simple control.
Therefore, the second objective of the present invention is to provide an air conditioner controller.
Therefore, a third objective of the present invention is to provide an air conditioner.
In order to achieve the above object, the present invention discloses in a first aspect a control device for an air conditioner, the control device comprising: the first mainboard is provided with a first communication unit, and the first communication unit comprises a first sending unit and a first receiving unit; the second control board is provided with a second communication unit and a power supply circuit for supplying power to the second control board, and the second communication unit comprises a second sending unit and a second receiving unit; the third control board is provided with a third communication unit and a control unit connected with the power supply circuit, the third communication unit comprises a third sending unit and a third receiving unit, the first sending unit, the first receiving unit, the second sending unit, the second receiving unit and the third receiving unit are connected in series, and the third sending unit is connected with the second sending unit in parallel; in a communication state, the third sending unit is connected with the second sending unit in parallel, only one sending unit is in a working state, and the other sending unit is in a turn-off state; when receiving an air conditioner standby instruction, the first communication unit performs half-duplex communication with the third communication unit, and the control unit controls the power supply circuit to be disconnected; when the first communication unit receives an air conditioner starting instruction, the first communication unit carries out half-duplex communication with the third communication unit, the control unit controls the power supply circuit to be conducted, so that the second communication unit is powered on to carry out half-duplex communication with the first communication unit, the third communication unit receives a communication information instruction between the first communication unit and the second communication unit, corresponding action is executed, and the third sending unit is turned off at the same time.
According to the utility model discloses a control device can be applied to the air conditioner, utilizes the first communication unit on the first control panel and the communication of the third communication unit on the third control panel, makes first to establish communication between first control panel and the third control panel, replaces the off-premises station to accomplish the working connection with the indoor set, and breaks the supply circuit of outdoor machine to can effectively reduce the stand-by power consumption of air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device is simple in structure, low in cost, strong in anti-interference performance, high in reliability and simple to control.
In addition, the above control device of the present invention may further include the following additional technical features:
in some examples, wherein the first receiving unit receives the air conditioner standby instruction, the first transmitting unit, the first receiving unit, the third transmitting unit and the third receiving unit form a current loop communication loop.
In some examples, the first receiving unit receives the air conditioner turn-on instruction, and the third sending unit does not work.
In some examples, the control unit is further coupled to a plurality of loads for controlling one or more of the plurality of loads to start or stop.
In some examples, the first control panel is provided to an indoor unit controller of an air conditioner.
In some examples, the second control panel and the third control panel are provided to an outdoor unit controller of an air conditioner.
In order to achieve the above object, a second aspect of the present invention discloses an air conditioner controller, comprising: an indoor unit controller; an outdoor unit controller; and the control device of the above first aspect of the present invention.
According to the utility model discloses an air conditioner controller has controlling means, utilizes the first communication unit on the first control panel and the communication of the third communication unit on the third control panel, makes first establishment communication between first control panel and the third control panel, replaces the off-premises station to accomplish the working connection with the indoor set, and breaks the supply circuit of outdoor machine to can effectively reduce the stand-by power consumption of air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device of the air conditioner controller is simple in structure, low in cost, strong in anti-interference performance, high in reliability and simple to control.
In order to achieve the above object, a third aspect of the present invention discloses an air conditioner, comprising: an indoor unit; an outdoor unit; and the control device of the above first aspect of the present invention or the air conditioner controller of the above second aspect of the present invention.
According to the utility model discloses an air conditioner has controlling means, utilizes the first communication unit on the first control panel and the communication of the third communication unit on the third control panel, makes first to establish communication between first control panel and the third control panel, replaces the off-premises station to accomplish the working connection with the indoor set, and breaks the supply circuit of outdoor machine to can effectively reduce the stand-by power consumption of air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device of the air conditioner has the advantages of simple structure, low cost, strong anti-interference performance, high reliability and simple control.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control device according to another embodiment of the present invention;
fig. 3 is a detailed circuit schematic diagram of a control device according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention.
Reference numerals: 110-a first control board; 120-a second control panel; 130-a third control panel; 111-a first communication unit; 121-a second communication unit; 122-supply circuitry; 131-a third communication unit; 132-a control unit; 1111-a first receiving unit; 1112-a first sending unit; 1211 — a second receiving unit; 1212-a second sending unit; 1311-a third receiving unit; 1312-third transmission unit.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
A control device, an air conditioner controller, and an air conditioner according to embodiments of the present invention will be described below with reference to fig. 1 to 4.
Fig. 1 is a schematic structural diagram of a control device according to an embodiment of the present invention. The control device can be applied to an air conditioner, such as a variable frequency air conditioner, can effectively reduce the standby power consumption of the air conditioner, and has the advantages of simple structure, strong anti-interference performance, high reliability and simple control.
As shown in fig. 1, the control device includes: a first control board 110, a second control board 120, and a third control board 130.
Specifically, the first control board 110 has a first communication unit 111.
In an embodiment, the first control board 110 can be disposed on an indoor unit of an air conditioner, such as an inverter air conditioner, and can be particularly disposed on an indoor unit controller of the indoor unit, and the first control board 110 is used for implementing communication of the indoor unit.
The second control board 120 has a second communication unit 121 and a power supply circuit 122 for supplying power to the second control board 120.
The third control board 130, the third control board 130 has a third communication unit 131 and a control unit 132 connected to the power supply circuit 122.
Specifically, as shown in fig. 1, the first communication unit 111 includes a first sending unit 1112 and a first receiving unit 1111, the second communication unit 121 includes a second sending unit 1212 and a second receiving unit 1211, and the third communication unit 131 includes a third sending unit 1312 and a third receiving unit 1311, wherein the first sending unit 1112, the first receiving unit 1111, the second sending unit 1212, the second receiving unit 1211, and the third receiving unit 1311 are connected in series. More specifically, as shown in fig. 1, a first receiving unit 1111, a first transmitting unit 1112, a second receiving unit 1211, and a second transmitting unit 1212 are connected in series, and a third receiving unit 1311 is connected in series to the series loop. It should be noted that the series order here can be adjusted according to the needs of the actual circuit, but the series nature of the current loop does not change. That is, first transmission section 1112, first reception section 1111, second transmission section 1212, second reception section 1211, and third reception section 1311 are connected in series with each other regardless of the connection method.
The third transmitting unit 1312 is connected in parallel with the second transmitting unit 1212 of the second communicating unit 121.
In the communication state, the third sending units 1312 and the second sending units 1212 are connected in parallel, and only one of the third sending units 1312 and the second sending unit 1212 is in an operating state.
In one embodiment, as shown in fig. 3, on the first control board 110, the circuit module B21 and its auxiliary circuits form a first transmitting unit 1112, and the circuit module B22 and its auxiliary circuits form a first receiving unit 1111. On the second control board 120, the circuit module B11 and its subordinate circuits constitute a second transmitting unit 1212, and the circuit module B12 and its subordinate circuits constitute a second receiving unit 1211. On the third control board 130, the circuit module B32 and its subordinate circuits constitute a third receiving unit 1311, and the circuit module B31 and its subordinate circuits constitute a third transmitting unit 1312.
In an embodiment of the present invention, when the first communication unit 111 receives the air conditioner standby command, it performs half-duplex communication with the third communication unit 131, and the control unit 132 controls the power supply circuit 122 to be disconnected; when the first communication unit 111 receives the air conditioner start-up instruction, the first communication unit 111 performs half-duplex communication with the third communication unit 131, and the control unit 132 controls the power supply circuit 122 to be conducted, so that the second control board 120 and the second communication unit 121 are powered on; the third sending unit 1312 is turned off, and the second sending unit 1212 is turned on, i.e., works, so that the first communication unit 111 and the second communication unit 121 perform half-duplex communication, and the third communication unit 131 receives the communication information command between the first communication unit 111 and the second communication unit 121 and performs a corresponding action.
It is understood that the operation modes of the air conditioner include two modes, i.e., a start-up, a normal operation state, and a standby state. In the specific embodiment, when the air conditioner is turned on and normally operates, the third communication unit 131 is in a receiving state, that is, the third receiving unit 1311 is in an operating state, and meanwhile, the third sending unit 1312 is continuously in a disabled state, that is, is unavailable; the first communication unit 111 and the second communication unit 121 are continuously in a half-duplex communication state.
When the air conditioner is in standby operation, the second communication unit 121 is in an inoperative state, that is, the second receiving unit 1211 and the second sending unit 1212 are not in operation, and the third communication unit 131 and the first communication unit 111 form a complete current loop communication loop, at this time, the third sending unit 1312 of the third communication unit 131 is in an operative state, and the first communication unit 111 and the third communication unit 131 are in a half-duplex communication state continuously.
In an embodiment, the power supply of the control device is located at the indoor unit side, and the power is supplied to the control device through the first receiving unit 1111 of the first communication unit 111.
In an embodiment of the present invention, the first receiving unit 1111 receives an air conditioner standby instruction and an air conditioner on instruction.
Specifically, the first receiving unit 1111 of the first communication unit 111 is disposed on the indoor unit, and after the air conditioner standby instruction and the air conditioner startup instruction are sent by the air conditioner, the air conditioner standby instruction and the air conditioner startup instruction are received by the first communication unit 111, and specifically, the air conditioner standby instruction and the air conditioner startup instruction can be received by the first receiving unit 1111. When the air conditioner is started, sending an air conditioner starting instruction, and receiving the air conditioner starting instruction by the first communication unit 111; when the air conditioner stops operating and enters a standby state, an air conditioner standby instruction is sent out, and the first communication unit 111 receives the air conditioner standby instruction.
In an embodiment of the present invention, the first receiving unit 1111 receives the air conditioner standby command, and the first transmitting unit 1112, the first receiving unit 1111, the third transmitting unit 1312, and the third receiving unit 1311 form a current loop communication loop. In other words, when the first receiving unit 1111 receives the air conditioner standby command, the first communication unit 111 and the third communication unit 131 form a current loop communication loop and are continuously in the half-duplex communication state.
In an embodiment of the present invention, the first receiving unit 1111 receives the air conditioner start instruction, and the third sending unit 1312 does not operate. That is, when the air conditioner is turned on, the third communication unit 131 is in a receiving state, i.e., the third receiving unit 1311 is in an operating state, and the third sending unit 1312 is continuously in a disabled state, i.e., is unavailable.
Specifically, when the first communication unit 111 receives the air conditioner on command, the third communication unit 131 is in a receiving state, that is, the third receiving unit 1311 is in an operating state, and meanwhile, the third sending unit 1312 is continuously in a disabled state, that is, it is unavailable; the first communication unit 111 and the second communication unit 121 are continuously in a half-duplex communication state. When the first communication unit 111 receives the air conditioner standby instruction, the second communication unit 121 is in an inoperative state, that is, the second receiving unit 1211 and the second sending unit 1212 are not in operation, and the third communication unit 131 and the first communication unit 111 form a complete current loop communication loop, at this time, the third sending unit 1312 of the third communication unit 131 is in an operative state, and the first communication unit 111 and the third communication unit 131 are in a half-duplex communication state continuously.
In an embodiment, the second control panel 120 and the third control panel 130 may be disposed on an outdoor unit of an air conditioner, such as an inverter air conditioner, and may be disposed on an outdoor unit controller of the outdoor unit, and the second control panel 120 and the third control panel 130 are used for implementing communication and power supply of the outdoor unit.
When receiving the air conditioner standby command, the first communication unit 111 performs half-duplex communication with the third communication unit 131, and the control unit 132 controls the power supply circuit 122 to be turned off, that is, the power supply circuit 122 does not supply power to the second control board 120, and at this time, the outdoor unit is not operated when the power supply is turned off.
When receiving the air conditioner start-up command, the first communication unit 111 performs half-duplex communication with the third communication unit 131, the control unit 132 controls the power supply circuit 122 to be turned on, and the power supply circuit 122 supplies power to the second control board 120 and the second communication unit 121, so that the second control board 120 and the second communication unit 121 are powered on; at this time, the outdoor unit is powered on, the third sending unit 1312 is turned off, the second sending unit 1212 is turned on, the second communication unit 121 and the first communication unit 111 perform half-duplex communication, and the third communication unit 131 receives the communication information command between the first communication unit 111 and the second communication unit 121 and performs corresponding operations.
Specifically, when the air conditioner is turned on and normally operates, the third communication unit 131 is in a receiving state and the sending function thereof is in a disabled state; meanwhile, the first communication unit 111 and the second communication unit 121 are continuously in the half-duplex communication state.
When the air conditioner is in standby operation, the second communication unit 121 is in an inoperative state, the third communication unit 131 and the first communication unit 111 form a complete current loop communication loop, the sending function of the third communication unit 131 is in an available state, and the first communication unit 111 and the third communication unit 131 are continuously in a half-duplex communication state.
In a specific embodiment, the control device is adopted by the air conditioner, when the air conditioner adopts outdoor power supply, the power supply of the outdoor unit controller is cut off, the control device is used for cutting off the power supply of the outdoor unit controller at the standby time, meanwhile, the information exchange is kept with the indoor unit controller, after a starting command of the indoor unit controller is received, the power supply of the outdoor unit controller is switched on so as to supply power to the outdoor unit, meanwhile, in order to ensure the smooth exchange of the information of the outdoor unit and the indoor unit, the communication content of the outdoor unit and the communication content of the indoor unit are monitored timely, and the command sent to the control device is received and executed, so that the control device is specifically realized as a current loop control device with monitoring.
Therefore, the control device of the embodiment of the present invention can be applied to an air conditioner, and the first communication unit 111 on the first control board 110 and the third communication unit 131 on the third control board 130 are used for communication, so that a communication connection is firstly established between the first control board 110 and the third control board 130, the communication connection with an indoor unit is completed instead of an outdoor unit, and a power supply circuit of the outdoor unit is disconnected, thereby effectively reducing the standby power consumption of the air conditioner; when the outdoor unit needs to start working, the control unit 132 of the third control panel 130 controls the power supply circuit 122 of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the on-off control of the power supply is maintained, and meanwhile, the timely interaction of control instructions between the indoor unit and the outdoor unit can be ensured according to the requirements of user control instructions, thereby ensuring the actual operation control of the whole air conditioner; meanwhile, the control device is simple in structure, low in cost, strong in anti-interference performance, high in reliability and simple to control.
In one embodiment of the present invention, as shown in fig. 2, the control unit 132 is further connected to a plurality of loads for controlling one or more of the plurality of loads to start or stop.
Specifically, as shown in fig. 2, the plurality of loads include, for example, a load 1, a load 2, a load n, specifically, loads such as an outdoor fresh air exchange fan of an air conditioner, and the control unit 132 is connected to the plurality of loads, and during an operation process of the air conditioner, the control unit 132 may control a part or all of the plurality of loads, for example, control a power supply of the load to be turned on or off, and further control the load to be started or stopped, so that functions of the control unit 132 are expanded, an additional controller is not added to control the load, the cost is reduced, and an internal structural space of the air conditioner is optimized.
In the specific embodiment, as shown in fig. 2, the load 1 is taken as an outdoor fresh air exchange fan for example. The control unit 132 can control the on-off of the power supply of the outdoor fresh air exchange fan, and further control the starting or stopping of the outdoor fresh air exchange fan. When a user needs to use the fresh air function without refrigeration and heating requirements, the control unit 132 can directly control the outdoor fresh air exchange fan to start and operate, so that the outdoor fresh air exchange function is realized. The control process of other loads is similar to that of the above, and in order to reduce redundancy, detailed description is omitted here.
In an embodiment, a small control board, i.e., a third control board 130, is added to the control device, and is in communication with the first control board 110 and the second control board 120, so as to control the on/off of the main power supply loop of the outdoor unit in the outdoor power supply mode. At the standby time, the third control panel 130 performs current loop communication with the indoor unit and cuts off the power supply for the outdoor unit, and at the working time, gives the current loop communication authority to the second control panel 120 of the outdoor unit, only retains the function of monitoring communication information, and performs corresponding operation according to the monitored communication information command.
The workflow of the control device can be summarized as follows: when the air conditioner is in a standby state, the first communication unit 111 receives an air conditioner standby instruction, at this time, the third communication unit 131 establishes a communication link with the first communication unit 111 to realize a half-duplex communication state, and simultaneously, the control unit 132 of the third control board 130 disconnects the power supply circuit 122 of the second control board 120, at this time, the second control board 120 located on the outdoor unit is powered off and does not work. When the air conditioner is turned on, the first communication unit 111 of the first control board 110 receives an air conditioner turn-on command, and at this time, the third sending unit 1312 is turned off, and the control unit 132 switches on the power supply circuit 122 of the second control board 120, so that the second control board 120 is powered on and starts to operate. The first communication unit 111 and the second communication unit 121 establish communication, and only the third receiving unit 1311 of the third communication unit 131 can receive the information command in the current loop control device, and execute the relevant action according to the information command. Therefore, the standby power consumption of the air conditioner can be effectively reduced, the communication content of the indoor unit and the outdoor unit can be monitored timely, the information exchange between the outdoor unit and the indoor unit is smooth, and the information instruction sent to the control device is received and executed, so that the on-off control of the power supply is maintained, and meanwhile, the timely interaction of the control instructions between the indoor unit and the outdoor unit of the air conditioner can be ensured according to the requirements of user control instructions.
In a specific embodiment, the control device firstly establishes a communication link between the third control panel 130 and the first control panel 110, and replaces the outdoor unit to complete the working link with the indoor unit, and disconnects the power supply circuit of the outdoor unit, thereby achieving the purpose of reducing the standby power consumption of the outdoor unit; when the outdoor unit needs to start working, the third control panel 130 controls the power supply of the power supply source of the outdoor unit to recover through a communication instruction and switches to a communication monitoring state, so that the actual operation control of the whole air conditioner is not influenced, and the outdoor unit has the advantages of high reliability and simplicity in control.
In summary, according to the embodiment of the present invention, the control device can be applied to an air conditioner, and the first communication unit on the first control board and the third communication unit on the third control board are used for communicating with each other, so that a communication connection is first established between the first control board and the third control board, the outdoor unit is replaced to complete a working connection with the indoor unit, and the power supply circuit of the outdoor unit is disconnected, thereby effectively reducing the standby power consumption of the air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device is simple in structure, low in cost, strong in anti-interference performance, high in reliability and simple to control.
The utility model discloses a further embodiment has still provided an air conditioner controller, and this air conditioner controller includes: a controlling means for controlling indoor set controller of machine, be used for controlling outdoor unit controller of air condensing units and the utility model discloses the above-mentioned arbitrary one embodiment describes.
In an embodiment, the first control panel of the control device may be disposed on the indoor unit controller, and the second control panel and the third control panel of the control device may be disposed on the outdoor unit controller.
It should be noted that, when the air conditioner controller performs communication control between the indoor unit and the outdoor unit, the specific implementation manner of the air conditioner controller is similar to the specific implementation manner of the control device described in any of the above embodiments of the present invention, and please refer to the description of the control device part specifically, and in order to reduce redundancy, it is not repeated here.
According to the embodiment of the utility model, the air conditioner controller is provided with a control device, the first communication unit on the first control panel and the third communication unit on the third control panel are utilized for communication, so that the first control panel and the third control panel are firstly communicated, the outdoor unit is replaced to complete the working connection with the indoor unit, and the power supply circuit of the outdoor unit is disconnected, thereby effectively reducing the standby power consumption of the air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device of the air conditioner controller is simple in structure, low in cost, strong in anti-interference performance, high in reliability and simple to control.
In addition, other configurations and functions of the air conditioner controller according to the above embodiments of the present invention are known to those skilled in the art, and are not described in detail to reduce redundancy.
The utility model discloses a further embodiment has still provided an air conditioner, this air conditioner include indoor set, off-premises station and the utility model discloses the control device that any above-mentioned embodiment described or the utility model discloses the air conditioner controller that any above-mentioned embodiment described.
In a specific embodiment, the air conditioner is, for example, an inverter air conditioner.
The air conditioner controller may include an indoor unit controller and an outdoor unit controller. The indoor unit controller is arranged on the indoor unit and used for controlling the indoor unit. The outdoor unit controller is arranged on the outdoor unit and used for controlling the outdoor unit.
The control device comprises a first control panel, a second control panel and a third control panel, wherein the first control panel can be arranged on the indoor unit controller and used for controlling the indoor unit; the second control panel and the third control panel may be disposed on the outdoor unit controller for outdoor unit.
It should be noted that, when the air conditioner performs communication control between the indoor unit and the outdoor unit, the specific implementation manner of the air conditioner is similar to the specific implementation manner of the control device described in any of the above embodiments of the present invention, and please refer to the description of the control device part specifically, and in order to reduce redundancy, it is not described here again.
According to the embodiment of the utility model, the air conditioner is provided with the control device, the first communication unit on the first control panel and the third communication unit on the third control panel are utilized for communication, so that the first control panel and the third control panel are firstly communicated with each other, the outdoor unit is replaced to complete the working connection with the indoor unit, and the power supply circuit of the outdoor unit is disconnected, thereby effectively reducing the standby power consumption of the air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control device of the air conditioner has the advantages of simple structure, low cost, strong anti-interference performance, high reliability and simple control.
In addition, other configurations and functions of the air conditioner according to the above embodiments of the present invention are known to those skilled in the art, and are not described in detail to reduce redundancy.
The embodiment of the utility model also provides a control method of air conditioner. The air conditioner is, for example, the air conditioner described in any of the above embodiments of the present invention, that is, the air conditioner includes the control device described in any of the above embodiments of the present invention or the air conditioner controller described in any of the above embodiments of the present invention.
In a specific embodiment, the air conditioner is, for example, an inverter air conditioner.
Fig. 4 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention. As shown in fig. 4, the control method of the air conditioner includes the following steps:
step S1: the first communication unit of the first control board receives the air conditioner standby instruction and performs half-duplex communication with the third communication unit on the third control board, and the control unit of the third control board controls the power supply circuit of the second communication unit of the second control board to be disconnected.
Step S2: the first communication unit receives the air conditioner starting instruction and performs half-duplex communication with the third communication unit, and the control unit controls the power supply circuit to be conducted so as to enable the second control panel and the second communication unit to be powered on.
Step S3: and turning off the third sending unit of the third communication unit, and simultaneously turning on the second sending unit of the second communication unit, so that the first communication unit and the second communication unit carry out half-duplex communication, and the third communication unit receives a communication information instruction between the first communication unit and the second communication unit and executes corresponding action.
In a specific embodiment, the first control board may be disposed on an indoor unit of an air conditioner, such as a variable frequency air conditioner, and may be specifically disposed on an indoor unit controller of the indoor unit, where the first control board is used to implement communication of the indoor unit. The second control panel and the third control panel may be disposed on an outdoor unit of an air conditioner, such as a variable frequency air conditioner, and may be specifically disposed on an outdoor unit controller of the outdoor unit, and the second control panel and the third control panel are used for implementing communication and power supply of the outdoor unit.
When receiving the air conditioner standby instruction, the first communication unit performs half-duplex communication with the third communication unit, and the control unit controls the power supply circuit to be disconnected, namely the power supply circuit does not supply power to the second control panel, and at the moment, the outdoor unit does not work when being powered off.
When the first communication unit receives an air conditioner starting instruction, the first communication unit carries out half-duplex communication with the third communication unit, the control unit controls the conduction of the power supply circuit, and the power supply circuit supplies power to the second control panel and the second communication unit so that the second control panel and the second communication unit are powered on; at the moment, the outdoor unit is powered on, the third sending unit is turned off, the second sending unit is turned on, the second communication unit and the first communication unit perform half-duplex communication, and the third communication unit receives a communication information instruction between the first communication unit and the second communication unit and executes corresponding action.
Specifically, when the air conditioner is started and works normally, the third communication unit is in a receiving state and the sending function of the third communication unit is in a forbidden state; meanwhile, the first communication unit and the second communication unit are continuously in a half-duplex communication state.
When the air conditioner works in a standby mode, the second communication unit is in an inoperative state, the third communication unit and the first communication unit form a complete current loop communication loop, the sending function of the third communication unit is in an available state, and the first communication unit and the third communication unit are continuously in a half-duplex communication state.
In an embodiment of the present invention, the control method of the air conditioner further includes: the control unit of the third control panel controls one or more of the plurality of loads to be started or stopped. Wherein a plurality of loads are connected to the control unit.
Specifically, the plurality of loads can be loads such as an outdoor fresh air exchange fan of the air conditioner, the control unit is connected with the plurality of loads, and in the operation process of the air conditioner, the control unit can control part or all of the plurality of loads, such as the connection or disconnection of a power supply of the loads, so as to control the start or stop of the loads, thereby expanding the functions of the control unit, avoiding the addition of an additional controller to control the loads, reducing the cost and optimizing the internal structural space of the air conditioner.
In the specific embodiment, one of the loads is taken as an outdoor fresh air exchange fan for example. The power supply on-off of the outdoor fresh air exchange fan can be controlled by the control unit, and then the outdoor fresh air exchange fan is controlled to start or stop. When a user needs to use the fresh air function without refrigeration and heating requirements, the outdoor fresh air exchange fan can be directly controlled to start and operate through the control unit, and the outdoor fresh air exchange function is realized. The control process of other loads is similar to that of the above, and in order to reduce redundancy, detailed description is omitted here.
In a specific embodiment, the work flow of the control method of the air conditioner can be summarized as follows: when the air conditioner is in standby, the first communication unit receives an air conditioner standby instruction, the third communication unit receives the air conditioner standby instruction, at the moment, a half-duplex communication state is achieved, meanwhile, the control unit of the third control board cuts off a power supply circuit of the second control board, and at the moment, the second control board on the outdoor unit is powered off and does not work. When the air conditioner is started, the first communication unit of the first control panel receives an air conditioner starting instruction, at the moment, the sending function of the third communication unit is closed, and meanwhile, the control unit is connected with the power supply circuit of the second control panel, so that the second control panel is electrified to start working. The first communication unit and the second communication unit establish communication, and the third communication unit can only receive the information instruction in the current loop control device and execute the related action according to the information instruction. Therefore, the standby power consumption of the air conditioner can be effectively reduced, the communication content of the indoor unit and the outdoor unit can be timely monitored, the information exchange between the outdoor unit and the indoor unit is smooth, and the information instruction in the communication process is received and executed, so that the on-off control of the power supply is kept, and meanwhile, the timely interaction of the control instruction between the indoor unit and the outdoor unit of the air conditioner can be guaranteed according to the requirement of the control instruction of a user.
It should be noted that, when the control method of the air conditioner is used to implement communication control between the indoor unit and the outdoor unit of the air conditioner, the specific implementation manner is similar to that of the control device described in any of the above embodiments of the present invention, and please refer to the description of the control device part specifically, which is not repeated herein for reducing redundancy.
According to the embodiment of the utility model, the control method of the air conditioner utilizes the first communication unit on the first control panel and the third communication unit on the third control panel to communicate, so that the first control panel and the third control panel firstly establish communication, replace the outdoor unit to complete the working connection with the indoor unit, and disconnect the power supply circuit of the outdoor unit, thereby effectively reducing the standby power consumption of the air conditioner; when the outdoor unit needs to start working, the control unit of the third control panel controls a power supply circuit of the outdoor unit to supply power to the outdoor unit through an air conditioner starting instruction, and the outdoor unit is switched to a communication monitoring state to ensure that outdoor and indoor information are smoothly exchanged, so that the timely interaction of control instructions between indoor and outdoor units of the air conditioner can be ensured according to the requirements of user control instructions while the on-off control of a power supply is kept, and the actual operation control of the whole air conditioner is ensured; meanwhile, the control method of the air conditioner is low in implementation cost, strong in anti-interference performance, high in reliability and simple in control.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A control device applied to an air conditioner is characterized by comprising:
a first control board having a first communication unit including a first transmitting unit and a first receiving unit;
the second control board is provided with a second communication unit and a power supply circuit for supplying power to the second control board, and the second communication unit comprises a second sending unit and a second receiving unit;
the third control board is provided with a third communication unit and a control unit connected with the power supply circuit, the third communication unit comprises a third sending unit and a third receiving unit, the first sending unit, the first receiving unit, the second sending unit, the second receiving unit and the third receiving unit are connected in series, and the third sending unit is connected with the second sending unit in parallel;
in a communication state, the third sending unit is connected with the second sending unit in parallel, only one sending unit is in a working state, and the other sending unit is in a turn-off state;
when receiving an air conditioner standby instruction, the first communication unit performs half-duplex communication with the third communication unit, and the control unit controls the power supply circuit to be disconnected;
when the first communication unit receives an air conditioner starting instruction, the first communication unit carries out half-duplex communication with the third communication unit, the control unit controls the power supply circuit to be conducted, so that the second communication unit is powered on to carry out half-duplex communication with the first communication unit, the third communication unit receives a communication information instruction between the first communication unit and the second communication unit, corresponding action is executed, and the third sending unit is turned off at the same time.
2. The control device according to claim 1, wherein the first receiving unit receives the air conditioner standby instruction, and the first transmitting unit, the first receiving unit, the third transmitting unit, and the third receiving unit form a current loop communication loop.
3. The control device according to claim 1, wherein the first receiving unit receives the air conditioner turn-on instruction, and the third transmitting unit does not operate.
4. The control device of claim 1, wherein the control unit is further coupled to a plurality of loads for controlling one or more of the plurality of loads to start or stop.
5. The control device according to claim 1, wherein the first control panel is provided in an indoor unit controller of an air conditioner.
6. The control device of claim 1, wherein the second control panel and the third control panel are provided in an outdoor unit controller of an air conditioner.
7. An air conditioner controller, comprising:
an indoor unit controller;
an outdoor unit controller; and
a control device as claimed in any one of claims 1 to 6.
8. An air conditioner, comprising:
an indoor unit;
an outdoor unit; and
the control device according to any one of claims 1 to 6 or the air conditioner controller according to claim 7.
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| CN202120144776.6U CN214536732U (en) | 2021-01-19 | 2021-01-19 | Control device, air conditioner controller and air conditioner |
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| CN202120144776.6U CN214536732U (en) | 2021-01-19 | 2021-01-19 | Control device, air conditioner controller and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833520A (en) * | 2021-01-19 | 2021-05-25 | 海信（广东）空调有限公司 | Control device, air conditioner controller, air conditioner and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833520A (en) * | 2021-01-19 | 2021-05-25 | 海信（广东）空调有限公司 | Control device, air conditioner controller, air conditioner and control method thereof |
| CN112833520B (en) * | 2021-01-19 | 2022-02-22 | 海信（广东）空调有限公司 | Control device, air conditioner controller, air conditioner and control method thereof |
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