CN102331070B - Infrared control system at tail end of central air conditioner and infrared control method thereof - Google Patents
Infrared control system at tail end of central air conditioner and infrared control method thereof Download PDFInfo
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- CN102331070B CN102331070B CN 201110217677 CN201110217677A CN102331070B CN 102331070 B CN102331070 B CN 102331070B CN 201110217677 CN201110217677 CN 201110217677 CN 201110217677 A CN201110217677 A CN 201110217677A CN 102331070 B CN102331070 B CN 102331070B
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Abstract
The invention discloses an infrared control system at a tail end of a central air conditioner and an infrared control method thereof. The system comprises a remote controller and an air conditioner tail-end controller which are in signal connection, wherein the remote controller is in signal connection with an infrared receiving unit of the air conditioner tail-end controller through an infrared emission head, and the air conditioner tail-end controller processes and analyzes signals by a MCU (Microprogrammed Control Unit) and outputs a control instruction. The method comprises an air conditioner tail-end controller learning period and an air conditioner tail-end controller control period, wherein users needs to undergo the air conditioner tail-end controller learning period at first when entering the air conditioner tail-end controller control period for the first time. In the control system, the remote controller is adopted to control the central air conditioner tail-end controller, the operation is flexible and simple, so that users can use the remote controller conveniently, and particularly for some special cases (such as sleeping at night, dark light and the like) or some special users (such as the old, the disabled and the like), the flexibility and convenience in use can be greatly improved.
Description
Technical field
The present invention relates to the air conditioning terminal control technology, particularly a kind of infrared control system and method for tail end of central air conditioner.
Background technology
The at present temperature controller control of tail end of central air conditioner normal operation tradition mechanical type or electronic type, its control method are to adopt at the air conditioning terminal controller start and stop, wind speed and design temperature point etc. are set manually.Because the air conditioning terminal controller generally is fixed on the body of wall, therefore can't move in use, and when special operating position (such as when sleep) or special use crowd (such as old man, disabled person etc.) use, the quite inconvenience that just seems of the use of the central air-conditioning of this form and control mode.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the infrared control system of a kind of flexible operation, tail end of central air conditioner easy to use is provided.
Another object of the present invention is to provide a kind of infrared control method of the tail end of central air conditioner of realizing by said system.
Technical scheme of the present invention is: a kind of infrared control system of tail end of central air conditioner, comprise remote controller and air conditioning terminal controller that signal connects, be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, unit and infrared receiver in the air conditioning terminal controller, remote controller is provided with infrared emission head; Infrared receiver is connected with the infrared emission head signal, the MCU controller respectively with communication interface unit, reset unit, memory, unit is connected with infrared receiver, the output of power subsystem respectively with communication interface unit, the MCU controller, reset unit is connected with memory, the output of unit also is connected with LCDs, the MCU controller also is connected with temperature sensor, relay and button, output connecting fan and the motor-driven valve of relay, power subsystem also respectively with LCDs, temperature sensor, relay is connected with button.
Comprise infrared receiving module, signal conversion module, the first data cache module, the second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the described MCU controller; Wherein, infrared receiving module, signal conversion module, the first data cache module, data comparison module, data memory module connect successively, also be provided with the second data cache module between signal conversion module and the data comparison module, the data call module also is set between the first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module, the control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively, the input of temperature comparison module is provided with temperature collect module, keyboard input module is connected with function key module with the control instruction module and is connected, the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, LCD MODULE is by the external LCDs of unit, the external blower fan of blower fan driver module, the external motor-driven valve of motor-driven valve driver module, temperature collect module external temperature sensor, the external reset unit of control instruction module, button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used for gathering the received level signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
The first data cache module and the second data cache module are respectively applied to the rear corresponding data of data signal of temporary signal conversion module conversion;
Data comparison module is used for the data of contrast the first data cache module and the second data cache module;
Data memory module is used for storing the rear data of determining storage of data comparison module contrast, and data are flowed to the memory preservation;
The data call module is used for from the memory calling data and flows to data comparison module;
The comparing result that the control instruction module is used for the receive data comparison module sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for to unit output display signal;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used for receiving the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used for receiving the real time temperature that temperature sensor collects;
Keyboard input module is used for receiving the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is in learning phase for reception air conditioning terminal controller;
Time block is used for the signals collecting interval of infrared receiving module, the temperature acquisition interval of temperature collect module and the key-press input time of keyboard input module are calculated.
Also be provided with the humidity collection module in the described MCU controller, time block, humidity collection module, signal conversion module are connected with LCD MODULE and are connected, and the input of humidity collection module also is circumscribed with humidity sensor.
Described memory is E
2PROM, MCU controller are the AVmega8 single-chip microcomputer.
Described remote controller is TV remote controller, also can be the special-purpose IR remote controller identical with the TV remote controller principle
Can realize a kind of infrared control method of tail end of central air conditioner according to said system, comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage, the user entered the air conditioning terminal controller before the control stage for the first time, needed advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) at selected 5 buttons of remote controller, is made as respectively remote controller on ﹠ off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, the controller switches key is identical with the function of remote controller on ﹠ off switch, the first function of controller intensification key is identical with remote controller intensification key, the second function of controller intensification key is that sequence number increases, the first function of controller cooling key is identical with remote controller cooling key, the second function of controller cooling key is that sequence number reduces, the first function of controller wind speed shift key is identical with remote controller wind speed shift key, the second function of controller wind speed shift key is for returning, the first function of director mode shift key is identical with remote controller pattern shift key, and the second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as respectively the second function; The sequence number of remote controller on ﹠ off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0 ~ 4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, set first sequence number and be 0 remote controller on ﹠ off switch, adjustment control intensification key or controller cooling key, until liquid crystal display screen display sequence number 0, this process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement, deliver to function key module, then deliver to the LCDs demonstration through LCD MODULE and unit successively;
Press for the first time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the first infrared signal, infrared receiver flows to the MCU controller after receiving the first infrared signal, flow to signal conversion module after infrared receiving module receives the first infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the first infrared signal by the level signal pattern, and it is temporary that first data that then will obtain are delivered to the first data cache module;
Press for the second time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the second infrared signal, infrared receiver flows to the MCU controller after receiving the second infrared signal, flow to signal conversion module after infrared receiving module receives the second infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the second infrared signal by the level signal pattern, and it is temporary that second data that then will obtain are delivered to the second data cache module;
The first data cache module and the second data cache module are delivered to data comparison module with the first data and the second data respectively, whether consistent data comparison module carry out contrast to the first data and the second data, the control instruction module receives the comparing result from data comparison module simultaneously, by LCD MODULE and unit comparing result is shown on the LCDs; If comparing result is consistent, then the user presses the director mode shift key at the air conditioning terminal controller, data comparison module is delivered to memory with comparing result by data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on ﹠ off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need re-start the operation of step (3);
(4) action of repeating step (3), until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, there is the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) press the arbitrary button that sets in 5 buttons at remote controller, remote controller sends control signal by infrared emission head, delivers to the MCU controller behind the infrared receiver reception control signal in the air conditioning terminal controller;
(b) behind the infrared receiver reception control signal in the MCU controller, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module;
(c) the data call module is transferred respectively the setting data of 5 buttons of remote controller in control data in the first data cache module and the memory, then deliver to data comparison module and compare analysis, if in control data and 5 setting datas is consistent, then select consistent setting data, and selected setting data delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal, by LCD MODULE and unit final control signal is shown on the LCDs, simultaneously, control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve by relay.
In the above-mentioned control method, in the described air-conditioner terminal controller learning phase, when setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key entered the second function, its method of operating was long controller intensification key and the controller cooling key pressed; When time block detects time 〉=5 that controller intensification key and controller cooling key is pressed simultaneously second, by keyboard input module key information is transported to the control instruction module, by control instruction module start-up performance key module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key enter the second function.
Described remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, are respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
Described air conditioning terminal controller is in the control stage, when the user presses the remote controller on ﹠ off switch at remote controller, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs by LCD MODULE, closes respectively blower fan and motor-driven valve by relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs by LCD MODULE, opens blower fan or motor-driven valve by relay output module simultaneously;
When the user when remote controller is pressed remote controller intensification key or remote controller cooling key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, after obtaining corresponding setting data, to control data and deliver to the control instruction module as design temperature, send and be shown in design temperature on the LCDs by LCD MODULE, simultaneously design temperature is delivered to temperature comparison module, temperature collect module receives the real time temperature that temperature sensor collects in real time, the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature, open and close by the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user when remote controller is pressed remote controller wind speed shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade, the control instruction module is sent final control signal, analysis result is sent and is shown on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously, temperature collect module receives in real time the real time temperature that temperature sensor collects and delivers to temperature comparison module, temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtain temperature difference, the control instruction module is by the action of relay output module control relay, thereby regulate the wind speed of blower fan, make the blower fan wind speed be positioned at the top grade that adapts with temperature difference, middle-grade or low-grade;
When the user when controller is pressed remote controller pattern shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, by the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is air vent mode, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, start blower fan, close respectively simultaneously the corresponding motor-driven valve of cold wind and warm braw.
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described design temperature is for by pressing remote controller intensification key or remote controller cooling key set temperature at remote controller;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described temperature commonly used is 26 ℃;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described real time temperature is the indoor temperature that the temperature sensor Real-time Collection arrives;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, the corresponding relation of described temperature difference and blower fan wind speed is respectively: during temperature difference 〉=3 ℃, the blower fan wind speed is adjusted to top grade, in the time of 1 ℃≤temperature difference＜3 ℃, the blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
When above-mentioned control system is used, behind the selected remote controller, by air conditioning terminal controller learning phase selected 5 buttons on the remote controller are set first, can control the air conditioning terminal controller by the remote controller of having set afterwards, also can operate by the button that the air conditioning terminal controller is provided with.When resetting when needs replacing remote controller or to remote controller key, reenter air conditioning terminal controller learning phase and get final product.
The present invention has following beneficial effect with respect to prior art:
(1) this control system adopts infrared control, and the realization remote controller is controlled the tail end of central air conditioner controller, and its method of operating is similar to split-type air conditioner, and for being unfamiliar with the user of central air-conditioning, it is simple to operate, and is easy to use.
(2) this control system adopts remote controller that the tail end of central air conditioner controller is controlled, its flexible operation is simple, can be user-friendly to, to some special case (such as sleep at night, concealed light etc.) or special user (such as old man, disabled person etc.), can improve significantly flexibility and the convenience of its use.
(3) this control system and method have been unified control information, can simplify communication interface for the air-conditioning Centralized Monitoring system that adopts end-equipment connected network communication mode, make the communication interface of tail end of central air conditioner, split-type air conditioner and other air-conditioning types obtain unification, for solid foundation has been established in large-scale reducing energy consumption.
(4) this control system is to improve at traditional tail end of central air conditioner controller, control method and infrared control method that its using method is compatible traditional, can adopt conventional method at the enterprising line operate of air conditioning terminal controller, also can carry out infrared control by remote controller, its occupation mode is changeable, can use flexibly.
Description of drawings
Fig. 1 is the principle schematic of air-conditioning terminal controller in this control system.
Fig. 2 is the principle schematic of MCU controller inside.
Fig. 3 is the external structure schematic diagram of remote controller in this control system.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
The infrared control system of a kind of tail end of central air conditioner of present embodiment, comprise remote controller and air conditioning terminal controller that signal connects, as shown in Figure 1, be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, unit and infrared receiver in the air conditioning terminal controller, as shown in Figure 3, remote controller is provided with infrared emission head 6; Infrared receiver is connected with the infrared emission head signal, the MCU controller respectively with communication interface unit, reset unit, memory, unit is connected with infrared receiver, the output of power subsystem respectively with communication interface unit, the MCU controller, reset unit is connected with memory, the output of unit also is connected with LCDs, the MCU controller also is connected with temperature sensor, relay and button, output connecting fan and the motor-driven valve of relay, power subsystem also respectively with LCDs, temperature sensor, relay is connected with button.
As shown in Figure 2, comprise infrared receiving module, signal conversion module, the first data cache module, the second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the MCU controller; Wherein, infrared receiving module, signal conversion module, the first data cache module, data comparison module, data memory module connect successively, also be provided with the second data cache module between signal conversion module and the data comparison module, the data call module also is set between the first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module, the control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively, the input of temperature comparison module is provided with temperature collect module, keyboard input module is connected with function key module with the control instruction module and is connected, the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, LCD MODULE is by the external LCDs of unit, the external blower fan of blower fan driver module, the external motor-driven valve of motor-driven valve driver module, temperature collect module external temperature sensor, the external reset unit of control instruction module, button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used for gathering the received level signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
The first data cache module and the second data cache module are respectively applied to the rear corresponding data of data signal of temporary signal conversion module conversion;
Data comparison module is used for the data of contrast the first data cache module and the second data cache module;
Data memory module is used for storing the rear data of determining storage of data comparison module contrast, and data are flowed to the memory preservation;
The data call module is used for from the memory calling data and flows to data comparison module;
The comparing result that the control instruction module is used for the receive data comparison module sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for to unit output display signal;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used for receiving the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used for receiving the real time temperature that temperature sensor collects;
Keyboard input module is used for receiving the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is in learning phase for reception air conditioning terminal controller;
Time block is used for the signals collecting interval of infrared receiving module, the temperature acquisition interval of temperature collect module and the key-press input time of keyboard input module are calculated.
Also be provided with the humidity collection module in the MCU controller, time block, humidity collection module, signal conversion module are connected with LCD MODULE and are connected, and the input of humidity collection module also is circumscribed with humidity sensor.
Memory is E
2PROM, MCU controller are the AVRmega8 single-chip microcomputer.
Remote controller is TV remote controller, also can be the special-purpose IR remote controller identical with the TV remote controller principle
Can realize a kind of infrared control method of tail end of central air conditioner according to said system, comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage, the user entered the air conditioning terminal controller before the control stage for the first time, needed advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) at selected 5 buttons of remote controller, as shown in Figure 3, is made as respectively remote controller on ﹠ off switch 1, remote controller intensification key 2, remote controller cooling key 3, remote controller wind speed shift key 4 and remote controller pattern shift key 5; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, the controller switches key is identical with the function of remote controller on ﹠ off switch, the first function of controller intensification key is identical with remote controller intensification key, the second function of controller intensification key is that sequence number increases, the first function of controller cooling key is identical with remote controller cooling key, the second function of controller cooling key is that sequence number reduces, the first function of controller wind speed shift key is identical with remote controller wind speed shift key, the second function of controller wind speed shift key is for returning, the first function of director mode shift key is identical with remote controller pattern shift key, and the second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as respectively the second function; The sequence number of remote controller on ﹠ off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0 ~ 4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, set first sequence number and be 0 remote controller on ﹠ off switch, adjustment control intensification key or controller cooling key, until liquid crystal display screen display sequence number 0, this process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement, deliver to function key module, then deliver to the LCDs demonstration through LCD MODULE and unit successively;
Press for the first time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the first infrared signal, infrared receiver flows to the MCU controller after receiving the first infrared signal, flow to signal conversion module after infrared receiving module receives the first infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the first infrared signal by the level signal pattern, and it is temporary that first data that then will obtain are delivered to the first data cache module;
Press for the second time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the second infrared signal, infrared receiver flows to the MCU controller after receiving the second infrared signal, flow to signal conversion module after infrared receiving module receives the second infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the second infrared signal by the level signal pattern, and it is temporary that second data that then will obtain are delivered to the second data cache module;
The first data cache module and the second data cache module are delivered to data comparison module with the first data and the second data respectively, whether consistent data comparison module carry out contrast to the first data and the second data, the control instruction module receives the comparing result from data comparison module simultaneously, by LCD MODULE and unit comparing result is shown on the LCDs; If comparing result is consistent, then the user presses the director mode shift key at the air conditioning terminal controller, data comparison module is delivered to memory with comparing result by data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on ﹠ off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need re-start the operation of step (3);
(4) action of repeating step (3), until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, there is the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) press the arbitrary button that sets in 5 buttons at remote controller, remote controller sends control signal by infrared emission head, delivers to the MCU controller behind the infrared receiver reception control signal in the air conditioning terminal controller;
(b) behind the infrared receiver reception control signal in the MCU controller, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module;
(c) the data call module is transferred respectively the setting data of 5 buttons of remote controller in control data in the first data cache module and the memory, then deliver to data comparison module and compare analysis, if in control data and 5 setting datas is consistent, then select consistent setting data, and selected setting data delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal, by LCD MODULE and unit final control signal is shown on the LCDs, simultaneously, control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve by relay.
In the above-mentioned control method, in the air-conditioner terminal controller learning phase, when setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key entered the second function, its method of operating was long controller intensification key and the controller cooling key pressed; When time block detects time 〉=5 that controller intensification key and controller cooling key is pressed simultaneously second, by keyboard input module key information is transported to the control instruction module, by control instruction module start-up performance key module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key enter the second function.
Remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, are respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
The air conditioning terminal controller is in the control stage, when the user presses the remote controller on ﹠ off switch at remote controller, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs by LCD MODULE, closes respectively blower fan and motor-driven valve by relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs by LCD MODULE, opens blower fan or motor-driven valve by relay output module simultaneously;
When the user when remote controller is pressed remote controller intensification key or remote controller cooling key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, after obtaining corresponding setting data, to control data and deliver to the control instruction module as design temperature, send and be shown in design temperature on the LCDs by LCD MODULE, simultaneously design temperature is delivered to temperature comparison module, temperature collect module receives the real time temperature that temperature sensor collects in real time, the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature, open and close by the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user when remote controller is pressed remote controller wind speed shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade, the control instruction module is sent final control signal, analysis result is sent and is shown on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously, temperature collect module receives in real time the real time temperature that temperature sensor collects and delivers to temperature comparison module, temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtain temperature difference, the control instruction module is by the action of relay output module control relay, thereby regulate the wind speed of blower fan, make the blower fan wind speed be positioned at the top grade that adapts with temperature difference, middle-grade or low-grade;
When the user when controller is pressed remote controller pattern shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, by the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is air vent mode, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, start blower fan, close respectively simultaneously the corresponding motor-driven valve of cold wind and warm braw.
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described design temperature is for by pressing remote controller intensification key or remote controller cooling key set temperature at remote controller;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described temperature commonly used is 26 ℃;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described real time temperature is the indoor temperature that the temperature sensor Real-time Collection arrives;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, the corresponding relation of described temperature difference and blower fan wind speed is respectively: during temperature difference 〉=3 ℃, the blower fan wind speed is adjusted to top grade, in the time of 1 ℃≤temperature difference＜3 ℃, the blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
When above-mentioned control system is used, behind the selected remote controller, by air conditioning terminal controller learning phase selected 5 buttons on the remote controller are set first, can control the air conditioning terminal controller by the remote controller of having set afterwards, also can operate by the button that the air conditioning terminal controller is provided with.When resetting when needs replacing remote controller or to remote controller key, reenter air conditioning terminal controller learning phase and get final product.
As mentioned above, just can realize preferably the present invention, above-described embodiment is preferred embodiment of the present invention only, is not to limit practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (9)
1. the infrared control system of tail end of central air conditioner, it is characterized in that, comprise remote controller and air conditioning terminal controller that signal connects, be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, unit and infrared receiver in the air conditioning terminal controller, remote controller is provided with infrared emission head; Infrared receiver is connected with the infrared emission head signal, the MCU controller respectively with communication interface unit, reset unit, memory, unit is connected with infrared receiver, the output of power subsystem respectively with communication interface unit, the MCU controller, reset unit is connected with memory, the output of unit also is connected with LCDs, the MCU controller also is connected with temperature sensor, relay and button, output connecting fan and the motor-driven valve of relay, power subsystem also respectively with LCDs, temperature sensor, relay is connected with button;
Comprise infrared receiving module, signal conversion module, the first data cache module, the second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the described MCU controller; Wherein, infrared receiving module, signal conversion module, the first data cache module, data comparison module, data memory module connect successively, also be provided with the second data cache module between signal conversion module and the data comparison module, the data call module also is set between the first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module, the control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively, the input of temperature comparison module is provided with temperature collect module, keyboard input module is connected with function key module with the control instruction module and is connected, the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, LCD MODULE is by the external LCDs of unit, temperature collect module external temperature sensor, the external reset unit of control instruction module, button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used for gathering the received level signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
The first data cache module and the second data cache module are respectively applied to the rear corresponding data of data signal of temporary signal conversion module conversion;
Data comparison module is used for the data of contrast the first data cache module and the second data cache module;
Data memory module is used for storing the rear data of determining storage of data comparison module contrast, and data are flowed to the memory preservation;
The data call module is used for from the memory calling data and flows to data comparison module;
The comparing result that the control instruction module is used for the receive data comparison module sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for to unit output display signal;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used for receiving the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used for receiving the real time temperature that temperature sensor collects;
Keyboard input module is used for receiving the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is in learning phase for reception air conditioning terminal controller;
Time block is used for the signals collecting interval of infrared receiving module, the temperature acquisition interval of temperature collect module and the key-press input time of keyboard input module are calculated.
2. the infrared control system of described tail end of central air conditioner according to claim 1, it is characterized in that, also be provided with the humidity collection module in the described MCU controller, time block, humidity collection module, signal conversion module are connected with LCD MODULE and are connected, and the input of humidity collection module also is circumscribed with humidity sensor.
3. the infrared control system of described tail end of central air conditioner according to claim 1 is characterized in that described memory is E
2PROM, MCU controller are the AVRmega8 single-chip microcomputer.
4. the infrared control system of described tail end of central air conditioner according to claim 1 is characterized in that described remote controller is TV remote controller.
5. each described system realizes a kind of infrared control method of tail end of central air conditioner according to claim 1 ~ 4, it is characterized in that, comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage, the user entered the air conditioning terminal controller before the control stage for the first time, needed advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) at selected 5 buttons of remote controller, is made as respectively remote controller on ﹠ off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, the controller switches key is identical with the function of remote controller on ﹠ off switch, the first function of controller intensification key is identical with remote controller intensification key, the second function of controller intensification key is that sequence number increases, the first function of controller cooling key is identical with remote controller cooling key, the second function of controller cooling key is that sequence number reduces, the first function of controller wind speed shift key is identical with remote controller wind speed shift key, the second function of controller wind speed shift key is for returning, the first function of director mode shift key is identical with remote controller pattern shift key, and the second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as respectively the second function; The sequence number of remote controller on ﹠ off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0 ~ 4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, set first sequence number and be 0 remote controller on ﹠ off switch, adjustment control intensification key or controller cooling key, until liquid crystal display screen display sequence number 0, this process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement, deliver to function key module, then deliver to the LCDs demonstration through LCD MODULE and unit successively;
Press for the first time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the first infrared signal, infrared receiver flows to the MCU controller after receiving the first infrared signal, flow to signal conversion module after infrared receiving module receives the first infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the first infrared signal by the level signal pattern, and it is temporary that first data that then will obtain are delivered to the first data cache module;
Press for the second time the remote controller on ﹠ off switch on the remote controller, infrared emission head on the remote controller sends to infrared receiver on the air conditioning terminal controller with the second infrared signal, infrared receiver flows to the MCU controller after receiving the second infrared signal, flow to signal conversion module after infrared receiving module receives the second infrared signal in the MCU controller, signal conversion module is converted to digital signal pattern to the second infrared signal by the level signal pattern, and it is temporary that second data that then will obtain are delivered to the second data cache module;
The first data cache module and the second data cache module are delivered to data comparison module with the first data and the second data respectively, whether consistent data comparison module carry out contrast to the first data and the second data, the control instruction module receives the comparing result from data comparison module simultaneously, by LCD MODULE and unit comparing result is shown on the LCDs; If comparing result is consistent, then the user presses the director mode shift key at the air conditioning terminal controller, data comparison module is delivered to memory with comparing result by data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on ﹠ off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need re-start the operation of step (3);
(4) action of repeating step (3), until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, there is the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) press the arbitrary button that sets in 5 buttons at remote controller, remote controller sends control signal by infrared emission head, delivers to the MCU controller behind the infrared receiver reception control signal in the air conditioning terminal controller;
(b) behind the infrared receiver reception control signal in the MCU controller, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module;
(c) the data call module is transferred respectively the setting data of 5 buttons of remote controller in control data in the first data cache module and the memory, then deliver to data comparison module and compare analysis, if in control data and 5 setting datas is consistent, then select consistent setting data, and selected setting data delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal, by LCD MODULE and unit final control signal is shown on the LCDs, simultaneously, control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve by relay.
6. the infrared control method of described tail end of central air conditioner according to claim 5, it is characterized in that, in the described air-conditioner terminal controller learning phase, when setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key entered the second function, its method of operating was long controller intensification key and the controller cooling key pressed; When time block detects time 〉=5 that controller intensification key and controller cooling key is pressed simultaneously second, by keyboard input module key information is transported to the control instruction module, by control instruction module start-up performance key module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key enter the second function.
7. the infrared control method of described tail end of central air conditioner according to claim 5 is characterized in that described remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, is respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
8. the infrared control method of described tail end of central air conditioner according to claim 7, it is characterized in that, described air conditioning terminal controller is in the control stage, when the user presses the remote controller on ﹠ off switch at remote controller, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs by LCD MODULE, closes respectively blower fan and motor-driven valve by relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs by LCD MODULE, opens blower fan or motor-driven valve by relay output module simultaneously;
When the user when remote controller is pressed remote controller intensification key or remote controller cooling key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, after obtaining corresponding setting data, to control data and deliver to the control instruction module as design temperature, send and be shown in design temperature on the LCDs by LCD MODULE, simultaneously design temperature is delivered to temperature comparison module, temperature collect module receives the real time temperature that temperature sensor collects in real time, the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature, open and close by the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user when remote controller is pressed remote controller wind speed shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade, the control instruction module is sent final control signal, analysis result is sent and is shown on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously, temperature collect module receives in real time the real time temperature that temperature sensor collects and delivers to temperature comparison module, temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtain temperature difference, the control instruction module is by the action of relay output module control relay, thereby regulate the wind speed of blower fan, make the blower fan wind speed be positioned at the top grade that adapts with temperature difference, middle-grade or low-grade;
When the user when controller is pressed remote controller pattern shift key, the control procedure of MCU controller is: behind the infrared receiver reception control signal, by signal conversion module control signal is converted to digital signal pattern by the level signal pattern, and the control data that will obtain are temporary in the first data cache module; The data call module is transferred respectively control data in the first data cache module and 5 setting datas in the memory, then deliver to data comparison module and compare analysis, obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, by the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is air vent mode, the control instruction module is sent final control signal, send and be shown in analysis result on the LCDs by LCD MODULE, simultaneously by the action of relay output module control relay, start blower fan, close respectively simultaneously the corresponding motor-driven valve of cold wind and warm braw.
9. the infrared control method of described tail end of central air conditioner according to claim 8, it is characterized in that, when the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described design temperature is by press the set temperature of remote controller intensification key or remote controller cooling key at remote controller;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described temperature commonly used is 26 ℃;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, described real time temperature is the indoor temperature that the temperature sensor Real-time Collection arrives;
When the user when remote controller is pressed remote controller wind speed shift key, in the control procedure of MCU controller, the corresponding relation of described temperature difference and blower fan wind speed is respectively: during temperature difference 〉=3 ℃, the blower fan wind speed is adjusted to top grade, in the time of 1 ℃≤temperature difference＜3 ℃, the blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
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| CN103235535A (en) * | 2013-04-03 | 2013-08-07 | 西北农林科技大学 | Intelligent switch based on infrared body temperature measurement technology |
| CN104238593A (en) * | 2014-09-17 | 2014-12-24 | 张静 | Novel efficient temperature controller |
| CN105042772A (en) * | 2015-07-10 | 2015-11-11 | 常州市南飞机械有限公司 | Air conditioner adjusting system and method adopting sensor monitoring |
| CN114211928B (en) * | 2021-11-10 | 2024-06-21 | 深圳市易优电气有限公司 | Parking air conditioner self-adaptive remote controller method, controller, device and storage medium |
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