CN102299837A - Frequency conversion air-conditioner temperature data communication method - Google Patents
Frequency conversion air-conditioner temperature data communication method Download PDFInfo
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- CN102299837A CN102299837A CN2011102051517A CN201110205151A CN102299837A CN 102299837 A CN102299837 A CN 102299837A CN 2011102051517 A CN2011102051517 A CN 2011102051517A CN 201110205151 A CN201110205151 A CN 201110205151A CN 102299837 A CN102299837 A CN 102299837A
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Abstract
The invention relates to a frequency conversion air-conditioner temperature data communication method. Communication data of an indoor unit and an outdoor unit of a frequency conversion air-conditioner comprise an indoor environment temperature value with accuracy of a tenths digit and a setting temperature value with accuracy of a tenths digit. Integer part binary system values and decimal part binary system values of the indoor environment temperature value and the setting temperature value are stored in different bytes of the communication data respectively. According to the frequency conversion air-conditioner temperature data communication method, temperature values with decimal parts in communication between the indoor unit and the outdoor unit are transmitted and controlled in a simple and convenient way, and temperature control by the air-conditioner is more accurate without increasing production cost and design cost of the air-conditioner.
Description
Technical field
The present invention relates to the means of communication of convertible frequency air-conditioner temperature data.
Background technology
In application number is 200910312265.4 application text, disclose a kind of temperature control precision regulating method of convertible frequency air-conditioner, disclose wherein that " with the temperature interval is that to be converted to the temperature interval be temperature～AD sampled value relation table of 0.1 ℃ for temperature～resistance relation table of 1 ℃; Indoor temperature set point and current indoor temperature value are transferred to off-premises station MCU ".But to wherein indoor set and off-premises station in communication, the existing common more complicated of method that temperature value with fractional part is transmitted, increase the operation time of air-conditioning MCU like this, and the performance of air-conditioning MCU has also been had relatively high expectations, increased the production cost of air-conditioning.
Summary of the invention
At above-mentioned situation, the invention provides a kind of means of communication of convertible frequency air-conditioner temperature data, can in the communicating by letter of indoor apparatus of air conditioner and off-premises station, transmit and control temperature value easily with fractional part, make that the right temperature control of air-conditioning is more accurate.
The means of communication of convertible frequency air-conditioner temperature data of the present invention, comprise that in the communication data of the indoor set of convertible frequency air-conditioner and off-premises station precision is that the indoor environment temperature value and the precision of tenths is the set temperature value of tenths, the integer part binary value of described indoor environment temperature value and set temperature value is stored in respectively in the different bytes of described communication data with the fractional part binary value.In the communicating by letter of indoor set and off-premises station, data mode are frame by frame transmitted, each frame data has comprised some bytes (BYTE), with the integer part of indoor environment temperature value and set temperature value be with the purpose that fractional part is stored in respectively in the different bytes of communication data, the data of air-conditioning single-chip microcomputer computing are all stored with binary mode, when binary number is converted to decimal number, can directly be converted to integer, and binary number will be converted to decimal fraction, just need to carry out complicated floating-point operation, this has exceeded the ability of general single-chip microcomputer, easy for computing, integer part and fractional part difference separate, stored with temperature make it be integer form, can improve the arithmetic speed of single-chip microcomputer, reduce performance requirement single-chip microcomputer.
Because the common numerical value of the integer part of temperature value is bigger, for enough memory spaces are arranged, and can conveniently control respectively, the integer part binary value of interior ambient temperature value and set temperature value can be stored in respectively in the different bytes indoor environment temperature value and set temperature value.
Further, because a byte (BYTE) is made of 8 (bit), therefore the integer part binary value with indoor environment temperature value and set temperature value is stored in respectively in different bytes 8 memory spaces separately, and such binary value of storing can be applicable to all temperature ranges of existing air-conditioning substantially.
In order to improve the utilance of Frame, the fractional part binary value of indoor environment temperature value and set temperature value is stored in the identical bytes.
Further, the fractional part binary value of indoor environment temperature value and set temperature value is stored in respectively in different continuous 4 memory spaces of identical bytes.Because fractional part is to be accurate to tenths, also be 0～9, the maximum denotable decimal number of 4 binary number is 15, enough store the fractional value of tenths, therefore can respectively the fractional part binary value of indoor environment temperature value and set temperature value be stored respectively by 8 an of byte.
The means of communication of convertible frequency air-conditioner temperature data of the present invention, can be by mode in communicating by letter, the temperature value with fractional part be transmitted and controls simply and easily to indoor apparatus of air conditioner and off-premises station, in production cost that does not increase air-conditioning and design cost, make that the right temperature control of air-conditioning is more accurate.
Below in conjunction with the embodiment of embodiment, foregoing of the present invention is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Embodiment
The means of communication of convertible frequency air-conditioner temperature data of the present invention, comprise that in the communication data of the indoor set of convertible frequency air-conditioner and off-premises station precision is that the indoor environment temperature value and the precision of tenths is the set temperature value of tenths, the integer part binary value of described indoor environment temperature value and set temperature value is stored in respectively in the different bytes of described communication data with the fractional part binary value.Because a byte (BYTE) is made of 8 (bit), therefore the integer part binary value with indoor environment temperature value and set temperature value is stored in respectively in different bytes 8 memory spaces separately, and such binary value of storing can be applicable to all temperature ranges of existing air-conditioning substantially.The fractional part binary value of indoor environment temperature value and set temperature value is stored in respectively in different continuous 4 memory spaces of identical bytes.Because fractional part is to be accurate to tenths, also be 0～9, the maximum denotable decimal number of 4 binary number is 15, enough store the fractional value of tenths, therefore can respectively the fractional part binary value of indoor environment temperature value and set temperature value be stored respectively by 8 an of byte.
In the communicating by letter of indoor set and off-premises station, data mode are frame by frame transmitted, each frame data has comprised some bytes (BYTE), with the integer part of indoor environment temperature value and set temperature value be with the purpose that fractional part is stored in respectively in the different bytes of communication data, the data of air-conditioning single-chip microcomputer computing are all stored with binary mode, when binary number is converted to decimal number, can directly be converted to integer, and binary number will be converted to decimal fraction, just need to carry out complicated floating-point operation, this has exceeded the ability of general single-chip microcomputer, easy for computing, integer part and fractional part difference separate, stored with temperature make it be integer form, can improve the arithmetic speed of single-chip microcomputer, reduce performance requirement single-chip microcomputer.
For example, the indoor environment temperature value is 29.3 ℃, and the set temperature value of air-conditioning is 26.5 ℃.In the communicating by letter of indoor set and off-premises station, 29.3 ℃ of indoor environment temperature values are divided into integer part 29 and fractional part 3, integer part 29 is deposited among 8 (bit) of byte 1 (BYTE1), value is 00011101 (binary 29); Deposit fractional part 3 in byte 2 (BYTE2) 0～3, the value of BYTE2.3～BYTE2.0 is 0011 (binary 3).26.5 ℃ of air-conditioning set temperature value are divided into integer part 26 and fractional part 5, integer part 26 are deposited among 8 of byte 3 (BYTE3), value is 00011010 (binary 26); Deposit fractional part 5 in byte 2 (BYTE2) 4～7, the value of BYTE2.7～BYTE2.4 is 0101 (binary 5).
Claims (5)
1. the means of communication of convertible frequency air-conditioner temperature data, it is characterized by and comprise that in the communication data of the indoor set of convertible frequency air-conditioner and off-premises station precision is that the indoor environment temperature value and the precision of tenths is the set temperature value of tenths, the integer part binary value of described indoor environment temperature value and set temperature value is stored in respectively in the different bytes of described communication data with the fractional part binary value.
2. the means of communication of convertible frequency air-conditioner temperature data as claimed in claim 1, the integer part binary value that it is characterized by described indoor environment temperature value and set temperature value is stored in respectively in the different bytes.
3. the means of communication of convertible frequency air-conditioner temperature data as claimed in claim 2, the integer part binary value that it is characterized by described indoor environment temperature value and set temperature value is stored in respectively in different bytes 8 memory spaces separately.
4. as the means of communication of the described convertible frequency air-conditioner temperature data of one of claim 1 to 3, the fractional part binary value that it is characterized by described indoor environment temperature value and set temperature value is stored in the identical bytes.
5. the means of communication of convertible frequency air-conditioner temperature data as claimed in claim 4, the fractional part binary value that it is characterized by described indoor environment temperature value and set temperature value is stored in respectively in different continuous 4 memory spaces of identical bytes.
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| CN2011102051517A CN102299837A (en) | 2011-07-21 | 2011-07-21 | Frequency conversion air-conditioner temperature data communication method |
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| CN2011102051517A CN102299837A (en) | 2011-07-21 | 2011-07-21 | Frequency conversion air-conditioner temperature data communication method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728988A (en) * | 2013-12-18 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and communication method, device and equipment of inside and outside machines of air conditioner |
| CN111479286A (en) * | 2020-02-26 | 2020-07-31 | 国网河南省电力公司电力科学研究院 | Data processing method for reducing communication flow of edge computing system |
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| US20080062162A1 (en) * | 2006-09-08 | 2008-03-13 | Norio Mamba | Display device |
| CN101206056A (en) * | 2006-12-22 | 2008-06-25 | Lg电子株式会社 | Air conditioner |
| CN101749830A (en) * | 2009-12-25 | 2010-06-23 | 四川长虹空调有限公司 | Temperature control precision regulating method of variable frequency air conditioner |
| CN101943922A (en) * | 2010-09-03 | 2011-01-12 | 北京时代民芯科技有限公司 | System and method for intelligently and automatically correcting temperature line of temperature control electric blanket |
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| CN1971689A (en) * | 2005-10-11 | 2007-05-30 | 乐金电子（南京）等离子有限公司 | Plasma display apparatus |
| US20080062162A1 (en) * | 2006-09-08 | 2008-03-13 | Norio Mamba | Display device |
| CN101206056A (en) * | 2006-12-22 | 2008-06-25 | Lg电子株式会社 | Air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104728988A (en) * | 2013-12-18 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and communication method, device and equipment of inside and outside machines of air conditioner |
| CN104728988B (en) * | 2013-12-18 | 2017-08-01 | 珠海格力电器股份有限公司 | Air conditioner and air-conditioning internal-external machine communication means, device, equipment |
| CN111479286A (en) * | 2020-02-26 | 2020-07-31 | 国网河南省电力公司电力科学研究院 | Data processing method for reducing communication flow of edge computing system |
| CN111479286B (en) * | 2020-02-26 | 2023-04-14 | 国网河南省电力公司电力科学研究院 | Data processing method for reducing communication flow of edge computing system |
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Application publication date: 20111228 |