CN106288193B - Based on more air-conditioning single wire control methods - Google Patents
Based on more air-conditioning single wire control methods Download PDFInfo
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- CN106288193B CN106288193B CN201610678471.7A CN201610678471A CN106288193B CN 106288193 B CN106288193 B CN 106288193B CN 201610678471 A CN201610678471 A CN 201610678471A CN 106288193 B CN106288193 B CN 106288193B
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Abstract
The present invention is based on more air-conditioning single wire control methods, including to an air-conditioner controller operating steps, this includes to any air-conditioner controller operating steps, and master control equipment sends guidance code to monobus, and the air-conditioner controller for receiving guidance code enters first state；Master control equipment sends inquiry code, after receiving inquiry code, enter the second state when being currently first state, master control equipment is to air-conditioner controller sending device number, if there is an air-conditioner controller to be in the second state, and when the device number received is identical with the device number of itself, the current status information of device number and equipment is transmitted to master control equipment, when the information that master control equipment receives is in correct range, facility information is updated.Next step communication is carried out when only the communication state at the air-conditioner controller, the code synchronism received, and the data and air-conditioning received itself match, avoids the occurrence of malfunction.The waste to microcontroller resource is avoided simultaneously, improves the safety and reliability of applicability, communication.
Description
Technical field
The present invention relates to air conditioner controlling technology fields, in particular to a kind of to be based on more air-conditioning single wire control methods.
Background technique
Air-conditioning has been essential electric appliance in people's life, realizes and adjusts to ambient air temperature.In business or industry and commerce
It will use one-to-many air-conditioning in place, i.e., all air-conditioning switch states controlled by a master control borad, obtain operation of air conditioner shape
State, convenient for being managed collectively to multiple air-conditioner controllers.One-to-many air-conditioner host and slave usually use RS232 or
The communications protocol of RS485.But there are shortcomings below using the above communications protocol: two communication buses being needed to be led to
News cause the waste of microcontroller input I/O port to cause not communicating when wherein single line goes wrong.RS232 simultaneously
Or RS485 is transmitted using Uart serial mode, it is more difficult for some single-chip microcontrollers without hardware Uart function to accomplish.RS232
Or RS485 baud rate is fixed, when air-conditioning is not verified when transmitting data, when may cause error in data.
Summary of the invention
Present invention mainly solves the technical issues of one of be to provide it is a kind of based on more air-conditioning single wire control methods, should be based on more
Air-conditioning single wire control method can mention to avoid the waste for both having influenced applicability and microcontroller resource that it is used when bilinear con- trol
The safety and reliability of height communication.
To solve the above-mentioned problems, the present invention also provides another kinds to be based on more air-conditioning single wire control methods, should be based on mostly empty
Single wire control method is adjusted, multiple air-conditioner controllers are controlled by master control equipment, including master control equipment is to any one sky
Controller operating steps are adjusted, which includes to any one air-conditioner controller operating steps, single total under idle state
Line is high level, and master control equipment sends guidance code to monobus, all air-conditioner controllers for receiving low level guidance code into
Enter first state, which refers to air-conditioner controller in an idle state, receives the guidance code of master control equipment sending
The state entered afterwards；
Master control equipment, which encodes to send to air-conditioner controller with the first, manipulates specified air-conditioner controller inquiry code, air-conditioning control
After device processed receives inquiry code, the second state is entered when air-conditioner controller is currently first state, master control equipment is with the second coding
Air-conditioner controller number is sent to air-conditioner controller, if there is an air-conditioner controller to be in the second state, and the equipment that air-conditioning receives
Number identical with the device number of itself, air-conditioner controller passes the current status information of the device number of itself and equipment with the second coding
To master control equipment, when master control equipment receives the information of air-conditioner controller and information is in correct range within a preset time,
Master control equipment updates air-conditioner controller information, wherein the second state refers to that air-conditioner controller in first state, receives
Master control equipment issues the state entered after inquiry code with the first coding.
It further says, further includes that operating steps are carried out to an air-conditioner controller, which includes,
Under idle state, bus is high level, sends guidance code from master control equipment to monobus, all to receive guidance
The air-conditioner controller of code enters first state；Master control equipment sends the manipulation of one air-conditioner controller of manipulation with the first coding
Code；
After air-conditioner controller receives manipulation code, third shape is entered when air-conditioner controller current state is in first state
State, the third state refer to that air-conditioner controller in first state, is received master control equipment and issued with the first coding to certain
The state entered after the manipulation code of one air-conditioner controller；
Master control equipment encodes device number to the transmission air-conditioning of air-conditioner controller with second, when having at an air-conditioner controller
In the third state, and the device number received is identical as the device number of itself, and air-conditioner controller is by the device number of itself, with second
Response is encoded to master control equipment, air-conditioner controller enters the 4th state, and the 4th state refers to air-conditioner controller in the
Three condition receives master control equipment with the second coding and issues device number, if the device number and air-conditioner controller that issue are set
Standby number enters state when identical.
In correct range, master control equipment transmission is encoded the information that master control equipment receives within the set time with third
Data are sent to air-conditioner controller, when there is an air-conditioner controller be in the 4th state, and receiving the information that third encodes is just
Really, after air-conditioner controller updates the data received, the device number of itself and equipment current state are transmitted to master with third coding
Control equipment.
It further says, further includes that operating steps are carried out to all air-conditioner controllers, which includes:
Under idle state, bus is high level, and master control equipment sends guidance code；
Master control equipment encodes to air-conditioner controller with first and sends the manipulation code manipulated to all air-conditionings；
Master control equipment encodes to air-conditioner controller with second and sends the device number manipulated to all air-conditionings；
Master control equipment is encoded to air-conditioner controller with third and sends information.
It further says, it includes opening that the master control equipment, which sends and sends data to air-conditioner controller with third coding mode,
Off status, mode, wind speed, set temperature and check code.
It further says, the guidance code is 20ms low level.
Further say, it is described first coding 0 and 1 representation method data 0 with 0.5ms high level+0.5ms low level=
1ms indicates that data 1 are indicated with high level 0.5ms+ low level 1.5ms=2ms.
It further says, 0 and 1 representation method data 0 1ms high level+1ms low level=2ms of second coding
It indicates, data 1 are indicated with high level 1ms+ low level 3ms=4ms.
Further say, the 0 and 1 representation method data 0 use 1.5ms high level+1.5ms low level that the third encodes=
3ms indicates that data 1 are indicated with high level 1.5ms+ low level 4.5ms=6ms.
The present invention is based on more air-conditioning single wire control methods, including master control equipment to manipulate and walk to any one air-conditioner controller
Suddenly, which includes that under idle state, monobus is high level to any one air-conditioner controller operating steps, main
It controls equipment and sends guidance code to monobus, all air-conditioner controllers for receiving low level guidance code enter first state, should
First state refers to air-conditioner controller in an idle state, receives the state entered after the guidance code of master control equipment sending；
Master control equipment, which encodes to send to air-conditioner controller with the first, manipulates specified air-conditioner controller inquiry code, and air-conditioner controller receives
After inquiry code, the second state is entered when air-conditioner controller is currently first state, master control equipment is encoded with second to air-conditioning control
Device processed sends air-conditioner controller number, if there is an air-conditioner controller to be in the second state, and the device number that receives of air-conditioning and itself
Device number it is identical, air-conditioner controller by the current status information of the device number of itself and equipment with second coding be transmitted to main control
Equipment, when master control equipment receives the information of air-conditioner controller and information is in correct range within a preset time, master control is set up
It is standby to update air-conditioner controller information, wherein the second state refers to that air-conditioner controller in first state, receives master control and sets up
It is standby that the state entered after inquiry code is issued with the first coding.The only communication state locating for the air-conditioner controller, the volume received
Code is synchronous, and carries out next step communication when the data and air-conditioning received itself matching, avoid the occurrence of malfunction.It keeps away simultaneously
Exempt from the waste to microcontroller resource, improves the safety and reliability of applicability, communication.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, and the attached drawing in describing is of the invention one
A little embodiments to those skilled in the art without creative efforts, can also be according to these
Attached drawing obtains other accompanying drawings.
Fig. 1 is based on more air-conditioning single wire control communication system embodiment functional block diagrams.
Fig. 2 is based on more air-conditioning single wire control embodiment of the method flow diagrams.
Below with reference to embodiment, and referring to attached drawing, the realization, the function and the advantages of the object of the present invention are made furtherly
It is bright.
Specific embodiment
In order to keep the purposes, technical schemes and advantages to be invented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of based on more air-conditioning single wire control communication system embodiments.
More air-conditioning single wire control methods should be based on, multiple air-conditioner controllers were controlled by master control equipment, comprising:
Step S10, status inquiry step of the master control equipment to an air-conditioner controller；
Step S11, master control equipment is to any one air-conditioner controller operating steps.
Specifically, the step S10, master control equipment include to any one air-conditioner controller query steps, it is idle
Under state, monobus is high level, and master control equipment sends guidance code, all skies for receiving low level guidance code to monobus
Controller is adjusted to enter first state, which refers to air-conditioner controller in an idle state, receives master control equipment hair
The state entered after guidance code out；
Master control equipment, which encodes to send to air-conditioner controller with the first, manipulates specified air-conditioner controller inquiry code, air-conditioning control
After device processed receives inquiry code, the second state is entered when air-conditioner controller is currently first state, master control equipment is with the second coding
Air-conditioner controller number is sent to air-conditioner controller, if there is an air-conditioner controller to be in the second state, and the equipment that air-conditioning receives
Number identical with the device number of itself, air-conditioner controller passes the current status information of the device number of itself and equipment with the second coding
To master control equipment, when master control equipment receives the information of air-conditioner controller and information is in correct range within a preset time,
Master control equipment updates air-conditioner controller information, wherein the second state refers to that air-conditioner controller in first state, receives
Master control equipment issues the state entered after inquiry code with the first coding.
Step S11 carries out operating steps to an air-conditioner controller, which includes:
Under idle state, bus is high level, sends guidance code from master control equipment to monobus, all to receive guidance
The air-conditioner controller of code enters first state；Master control equipment sends the manipulation of one air-conditioner controller of manipulation with the first coding
Code；
After air-conditioner controller receives manipulation code, third shape is entered when air-conditioner controller current state is in first state
State, the third state refer to that air-conditioner controller in first state, is received master control equipment and issued with the first coding to certain
The state entered after the manipulation code of one air-conditioner controller；
Master control equipment encodes device number to the transmission air-conditioning of air-conditioner controller with second, when having at an air-conditioner controller
In the third state, and the device number received is identical as the device number of itself, and air-conditioner controller is by the device number of itself, with second
Response is encoded to master control equipment, air-conditioner controller enters the 4th state, and the 4th state refers to air-conditioner controller in the
Three condition receives master control equipment with the second coding and issues device number, if the device number and air-conditioner controller that issue are set
Standby number enters state when identical.
In correct range, master control equipment transmission is encoded the information that master control equipment receives within the set time with third
Data are sent to air-conditioner controller, when there is an air-conditioner controller be in the 4th state, and receiving the information that third encodes is just
Really, after air-conditioner controller updates the data received, the device number of itself and equipment current state are transmitted to master with third coding
Control equipment.
In the above-described embodiments, the master control equipment, which is sent, sends data to air-conditioner controller with third coding mode
Including switch state, mode, wind speed, set temperature and check code.The guidance code is 20ms low level.First coding
0 and 1 representation method data 0 indicate with 0.5ms high level+0.5ms low level=1ms, the low electricity of high level 0.5ms+ of data 1
Flat 1.5ms=2ms is indicated.0 and 1 representation method data 0 1ms high level+1ms low level=2ms table of second coding
Show, data 1 are indicated with high level 1ms+ low level 3ms=4ms.0 and 1 representation method data 0 of the third coding are used
1.5ms high level+1.5ms low level=3ms indicates that data 1 are indicated with high level 1.5ms+ low level 4.5ms=6ms.
As only working as communication state locating for an air-conditioner controller, the code synchronism received, and the data received
Next step communication is carried out when with air-conditioning itself matching, avoids the occurrence of malfunction.It avoids providing microcontroller when bilinear con- trol simultaneously
The waste in source improves the safety and reliability of applicability, communication.
In the above-described embodiments, it is described based on more air-conditioning single wire control methods further include that all air-conditioner controllers are grasped
Step is controlled, which includes:
Under idle state, bus is high level, and master control equipment sends guidance code；
Master control equipment encodes to air-conditioner controller with first and sends the manipulation code manipulated to all air-conditionings；
Master control equipment encodes to air-conditioner controller with second and sends the device number manipulated to all air-conditionings；
Master control equipment is encoded to air-conditioner controller with third and sends information.
Described pair of all air-conditioner controllers carry out operating steps, set up to air-conditioner controller progress operating steps and master control
It is standby there is no an association in timing to the status inquiry step of an air-conditioner controller, i.e., any one step all disobey be against it is another
The implementation of step.
In order to be best understood from technical solution of the present invention, the principle of the present invention, method are described below by example.Lower example institute
Principle, the method, apparatus of narration can be generalized to different parameter and use-case.All possible parameter and use-case are in this hair
Within the scope of bright.
Communication of the main equipment to air-conditioning has following three kinds of situations:
1. main equipment is to a certain device status inquiries step
Under 1.1 idle states, bus is high level；Master control equipment sends the low level guidance code of 20ms.
1.2 all equipment for receiving guidance code enter ready for receiving first state；
After 1.3 20ms, main equipment transmission sends downwards byte Byte [0]=0x01 inquiry code in a manner of A code.
After 1.4 air-conditioner controllers receive Byte [0]=0x01 inquiry code, if current state is in first state, that
Enter the second state；
After 1.5 20ms, main equipment sends the device number Byte [1] of the downward target air-conditioning in a manner of B code；
If 1.6 certain air-conditioner controller are in state 2, and the device number Byte [1] that receives of air-conditioning and the equipment of itself
Number
It is identical, the air-conditioning switch that the device number of itself and equipment is current, mode, wind speed, set temperature, current temperature
Degree, check code are transmitted to main equipment in a manner of B code.
If the message that 1.7 main equipments receive in 2S, in correct range, main equipment updates air-conditioner controller information,
Communication terminates；If the time is more than 2S, or the data received are incorrect, repeat more than step；If continuous 3 mistakes
It loses, it is believed that equipment is out of order then, stops to the equipment query.
2. pair a certain equipment carries out operating steps:
Under 2.1 idle states, bus is high level；Master control equipment sends the low level guidance code of 20ms.
2.2 all equipment for receiving guidance code enter ready for receiving first state；
After 2.3 20ms, main equipment transmission sends downwards byte Byte [0]=0x02 override code in a manner of A code.
After 2.4 air-conditioner controllers receive Byte [0]=0x02 inquiry code, if current state is in first state,
Into the third state；
After 2.5 20ms, main equipment sends the device number Byte [1] of the downward target air-conditioning in a manner of B code；
If 2.6 certain air-conditioning are in state 2, and the device number Byte [1] that receives of air-conditioning and the device number phase of itself
Together, air-conditioning is by the device number of itself, and response enters the 4th state to main equipment, air-conditioner controller in a manner of B code;
If the message that 2.7 main equipments receive in 2S enters step 2.8 in correct range；If the time is more than 2S, or
The data that person receives are incorrect, 2.1 steps repeated, if continuous 3 failures, it is believed that equipment is out of order then, stops grasping the equipment
Control.
2.8 main equipments, which are sent, sends 5 byte datas to air-conditioner controller in a manner of C code: including 4 bytes: switch shape
State, mode, wind speed, set temperature and a byte check code.
If 2.9 certain air-conditioning are in K4, and the data for receiving C code mode are, after air-conditioner controller has updated data,
By the current switch state of the device number of itself and equipment, mode, wind speed, set temperature, Current Temperatures and check code with C
Code mode is transmitted to main equipment.
If the message that 2.10 main equipments receive in 2S, in correct range, main equipment sets air-conditioning success, communication knot
Beam；If the time is more than 2S, or the data received are incorrect, 2.8 steps repeated, if continuous 3 failures, it is believed that equipment is out of order
Then, stop manipulating the equipment.
3. pair all air-conditioner controllers carry out operating steps:
Under 3.1 idle states, bus is high level；The main low level guidance code of transmission 20ms of master control equipment.
After 3.2 20ms, main equipment transmission sends downwards byte Byte [0]=0xff to having time in a manner of A code
The manipulation code of tune.
After 3.3 20ms, main equipment transmission sends downwards 5 byte datas in a manner of C code: including 4 bytes: switch shape
State, mode, wind speed, set temperature and a byte check code.
Described the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features, and these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. being based on more air-conditioning single wire control methods, multiple air-conditioner controllers are controlled by master control equipment, including, master control is set up
It is standby that any one air-conditioner controller query steps, the master control equipment includes to any one air-conditioner controller query steps,
Under idle state, monobus is high level, and master control equipment sends guidance code to monobus, all to receive low level guidance code
Air-conditioner controller enter first state, which refers to air-conditioner controller in an idle state, receives master control and sets up
The state entered after the guidance code that preparation goes out；
Master control equipment, which encodes to send to air-conditioner controller with the first, manipulates specified air-conditioner controller inquiry code, air-conditioner controller
After receiving inquiry code, the second state is entered when air-conditioner controller is currently first state, master control equipment is encoded with second to sky
Adjust controller to send air-conditioner controller number, if there is an air-conditioner controller be in the second state, and the device number that receives of air-conditioning with
The device number of itself is identical, and the current status information of the device number of itself and equipment is transmitted to master with the second coding by air-conditioner controller
Equipment is controlled, when master control equipment receives the information of air-conditioner controller and information is in correct range, master control within a preset time
Control equipment updates air-conditioner controller information, wherein the second state refers to that air-conditioner controller in first state, receives master control
Control equipment issues the state entered after inquiry code with the first coding；It further include that operating steps, the step are carried out to an air-conditioner controller
Suddenly include:
Under idle state, bus is high level, sends guidance code, all guidance codes that receive from master control equipment to monobus
Air-conditioner controller enters first state；Master control equipment sends the manipulation code of one air-conditioner controller of manipulation with the first coding；
After air-conditioner controller receives manipulation code, the third state is entered when air-conditioner controller current state is in first state,
The third state refers to that air-conditioner controller in first state, is received master control equipment and issued with the first coding to a certain sky
Adjust the state entered after the manipulation code of controller；
Master control equipment encodes device number to the transmission air-conditioning of air-conditioner controller with second, when there is an air-conditioner controller to be in the
Three condition, and the device number received is identical as the device number of itself, air-conditioner controller is by the device number of itself, with the second coding
To master control equipment, air-conditioner controller enters the 4th state for response, and the 4th state refers to air-conditioner controller in third shape
State receives master control equipment with the second coding and issues device number, if the device number of the device number and air-conditioner controller that issue
Enter state when identical；The information that the master control equipment receives within the set time is in correct range, master control equipment hair
It send to encode with third to air-conditioner controller and sends data, when there is an air-conditioner controller be in the 4th state, and receive third and compile
The information of code be it is correct, after air-conditioner controller updates the data received, by the device number of itself and equipment current state with the
Three codings are transmitted to master control equipment.
2. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that further include to all air-conditioning controls
Device processed carries out operating steps, which includes:
Under idle state, bus is high level, and master control equipment sends guidance code；
Master control equipment encodes to air-conditioner controller with first and sends the manipulation code manipulated to all air-conditionings；
Master control equipment encodes to air-conditioner controller with second and sends the device number manipulated to all air-conditionings；
Master control equipment is encoded to air-conditioner controller with third and sends information.
3. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that the master control equipment is sent
Sending data to air-conditioner controller with third coding mode includes switch state, mode, wind speed, set temperature and check code.
4. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that the guidance code is that 20ms is low
Level.
5. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that the 0 and 1 of first coding
Representation method data 0 indicate with 0.5ms high level+0.5ms low level=1ms, the high level 0.5ms+ low level of data 1
1.5ms=2ms is indicated.
6. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that the 0 and 1 of second coding
Representation method data 0 indicate with 1ms high level+1ms low level=2ms, the high level 1ms+ low level 3ms=4ms of data 1
It indicates.
7. according to claim 1 be based on more air-conditioning single wire control methods, which is characterized in that the 0 and 1 of the third coding
Representation method data 0 indicate with 1.5ms high level+1.5ms low level=3ms, the high level 1.5ms+ low level of data 1
4.5ms=6ms is indicated.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110608502A (en) * | 2019-09-10 | 2019-12-24 | 青岛海尔空调电子有限公司 | Air conditioner communication method based on single-wire half-duplex communication and air conditioner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495363A (en) * | 2018-12-13 | 2019-03-19 | 上海申矽凌微电子科技有限公司 | A kind of single bus data transmission chip and method |
| CN112503717B (en) * | 2020-11-02 | 2022-04-08 | 珠海格力电器股份有限公司 | Control method and device of universal air conditioner controller and universal air conditioner controller |
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