CN104949279A - Method for synchronously displaying Fahrenheit temperature and air conditioning system - Google Patents
Method for synchronously displaying Fahrenheit temperature and air conditioning system Download PDFInfo
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- CN104949279A CN104949279A CN201510362856.8A CN201510362856A CN104949279A CN 104949279 A CN104949279 A CN 104949279A CN 201510362856 A CN201510362856 A CN 201510362856A CN 104949279 A CN104949279 A CN 104949279A
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- temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/59—Remote control for presetting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/66—Sleep mode
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a method for synchronously displaying Fahrenheit temperature. The method comprises the following steps that all display parts receive a centigrade temperature value transmitted by a communication bus; Fahrenheit temperature values corresponding to the received centigrade temperature value are displayed according to the states of a transformation flag bit set in the communication protocol of the communication bus; if the state of the transformation flag bit in the communication protocol is zero, the smaller Fahrenheit temperature value corresponding to the centigrade temperature value is displayed; if the state of the transformation flag bit in the communication protocol is one, the larger Fahrenheit temperature value corresponding to the centigrade temperature value is displayed. The invention further provides an air conditioning system. According to the method for synchronously displaying the Fahrenheit temperature and the air conditioning system, the problem that display is unsynchronized caused by the phenomenon that the same centigrade temperature integral value corresponds to two Fahrenheit temperature integral values is solved; meanwhile, bytes needed by the transformation flag bit which is additionally set in the communication protocol are less, and therefore the expansion of the communication protocol can be conveniently achieved.
Description
Technical field
The present invention relates to air-conditioner technical field, particularly relate to a kind of Fahrenheit temperature and show synchronous method and air-conditioning system.
Background technology
The line control machine of general air-conditioning can be Celsius or Fahrenheit according to the display mode of the difference of sales territory set temperature voluntarily.Part air-conditioning has possessed two line control machine function, and namely two line control machines can control units, and two line control machine displays are synchronous.Undertaken synchronous by communications protocol between two line control machines, generally temperature value is all use centigrade integer value to transmit.And when Celsius temperature being converted to Fahrenheit temperature according to transfer algorithm, there will be the integer-valued phenomenon of corresponding two the Fahrenheit temperature temperature of same centigrade integer value, and line control machine is celsius temperature scales by the data that communications protocol sends out, another one line control machine None-identified goes out show which numerical value in two Fahrenheit temperature integer values, and then two line control machine display can be caused asynchronous.
For the problems referred to above, can be avoided by the mode increasing Fahrenheit temperature Value Data or increase temperature value fraction data in communications protocol, but need like this to increase more byte data, not good for expansion the communications protocol that some are ripe.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of Fahrenheit temperature to show synchronous method and air-conditioning system, make Celsius temperature between each display unit show synchronous with Fahrenheit temperature.
For achieving the above object, the present invention adopts following technical scheme:
Fahrenheit temperature shows a synchronous method, comprises the steps:
Each display unit receives the celsius temperature scale that communication bus transmits;
The state of the transition flag position arranged in the communications protocol according to described communication bus shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives, if the state of transition flag position is 0 in described communications protocol, then show the less Fahrenheit temperature value that described celsius temperature scale is corresponding; If the state of transition flag position is 1 in described communications protocol, then show the larger Fahrenheit temperature value that described celsius temperature scale is corresponding.
Wherein in an embodiment, also comprise the steps:
Control system judges whether the saltus step of temperature value affects Consumer's Experience, and if so, then each display unit shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives according to the state of described transition flag position; If not, then the described Celsius temperature received is shown as Fahrenheit temperature value according to the one-to-one relationship preset by each display unit.
Wherein in an embodiment, the basis for estimation that the saltus step of described temperature value affects Consumer's Experience is: if described temperature value is the temperature value that user can regulate, then the saltus step of described temperature value can affect Consumer's Experience; If described temperature value is the environment temperature detected, then the saltus step of described temperature value can not affect Consumer's Experience.
Wherein in an embodiment, described control system judges the saltus step of temperature value also comprises the steps: before whether affecting the step of Consumer's Experience
Control system judges whether display Fahrenheit temperature value, if so, then continues to judge whether the saltus step of temperature value affects Consumer's Experience; If not, then the celsius temperature scale that receives of each display unit simultaneous display.
The invention still further relates to a kind of air-conditioning system, comprise indoor set, off-premises station, the first line control machine, the second line control machine and control system;
Described control system comprises microcontroller and communication bus, described microcontroller, described indoor set, described off-premises station, described first line control machine and the equal communication of described second line control machine are connected to described communication bus, are provided with transition flag position in the communications protocol of described communication bus;
Described microprocessor comprises the first judge module, described first judge module is applicable to the state judging described transition flag position, control each display unit and show Fahrenheit temperature value corresponding to the celsius temperature scale that receives according to the state of the transition flag position arranged in the communications protocol of described communication bus, if the state of transition flag position is 0 in described communications protocol, then show the less Fahrenheit temperature value that described celsius temperature scale is corresponding; If the state of transition flag position is 1 in described communications protocol, then show the larger Fahrenheit temperature value that described celsius temperature scale is corresponding.
Wherein in an embodiment, described microcontroller also comprises the second judge module, described second judge module is applicable to judge whether the saltus step of temperature value affects Consumer's Experience, if so, then each display unit shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives according to the state of described transition flag position; If not, then the described Celsius temperature received is shown as Fahrenheit temperature value according to the one-to-one relationship preset by each display unit.
Wherein in an embodiment, described microcontroller also comprises the 3rd judge module, and described 3rd judge module is applicable to judge whether display Fahrenheit temperature value, and if so, then described second judge module judges whether the saltus step of temperature value affects Consumer's Experience; If not, then the celsius temperature scale that receives of each display unit simultaneous display.
Wherein in an embodiment, described indoor set comprises lamp plate, and described lamp plate is connected to described communication bus.
Wherein in an embodiment, described communication bus is RS485 bus or RS232 bus.
Wherein in an embodiment, described indoor set and described off-premises station are provided with checkout gear, and described checkout gear is connected to described communication bus.
The invention has the beneficial effects as follows:
Fahrenheit temperature of the present invention shows synchronous method and air-conditioning system, by arranging transition flag position in the communications protocol of communication bus, when the state of transition flag position is 0, the less Fahrenheit temperature value that display celsius temperature scale is corresponding, when the state of transition flag position is 1, the larger Fahrenheit temperature value that display celsius temperature scale is corresponding, thus the nonsynchronous problem of display that the integer-valued phenomenon solving corresponding two Fahrenheit temperature of same centigrade integer value causes.Meanwhile, the byte of setting up transition flag position needs in communications protocol is less, is convenient to the expansion realizing communications protocol.
Accompanying drawing explanation
Fig. 1 is the flow chart that Fahrenheit temperature of the present invention shows synchronous method one embodiment;
Fig. 2 is the system block diagram of air-conditioning system one embodiment of the present invention.
Detailed description of the invention
In order to make technical scheme of the present invention clearly, below in conjunction with accompanying drawing, synchronous method is shown to Fahrenheit temperature of the present invention and air-conditioner is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain that the present invention is not intended to limit the present invention.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
See Fig. 1 and Fig. 2, as shown in Figure 1, Fahrenheit temperature of the present invention shows synchronous method and comprises the steps:
Each display unit receives the celsius temperature scale that communication bus transmits; Generally, the temperature value between all parts of air-conditioning system is all transmitted by celsius temperature scale, and this celsius temperature scale can be ambient temperature value, the operating temperature value etc. of all parts in air-conditioning system that air-conditioning system detects.This celsius temperature scale can also be user set by line control machine or remote controller etc. cryogenic temperature, heat temperature etc.Should be understood that, any parts with Presentation Function all can receive the celsius temperature scale that communication bus transmits, and the celsius temperature scale received is shown, when needs display Fahrenheit temperature, these have the parts simultaneous display Fahrenheit temperature value of Presentation Function.In the present embodiment, each display unit can be the lamp plate 110 etc. of First Line control 300, second line control machine 400 and indoor set 100, and wherein, the first line control machine 300 and the second line control machine 400 also have the additional functions such as keypress function.
The state of the transition flag position arranged in the communications protocol according to communication bus 600 shows Fahrenheit temperature value corresponding to the celsius temperature scale that receives, if the state of transition flag position is 0 in communications protocol, then show the less Fahrenheit temperature value that celsius temperature scale is corresponding; If the state of transition flag position is 1 in communications protocol, then show the larger Fahrenheit temperature value that celsius temperature scale is corresponding.In the present embodiment, be provided with transition flag position in communications protocol, such as, the data format of the communications protocol of communication bus 600 is:
| 1 start bit | 1 transition flag position | 6/7/8 bit data position | 1 bit parity check position | 1 position of rest |
Now, control system can judge according to the state of transition flag position (0/1/#) which the Fahrenheit temperature value that display celsius temperature scale is corresponding, synchronous to make Fahrenheit temperature value show, and is easy to the expansion realizing communications protocol.Wherein, when the state of transition flag position is shown as #, illustrates and now do not need display Fahrenheit temperature value, between all parts, only need simultaneous display celsius temperature scale.
In the scope of design temperature 16 DEG C to 30 DEG C, all there is the integer-valued situation of corresponding two Fahrenheit temperature of centigrade integer value in most temperature value, therefore, the larger Fahrenheit temperature value that celsius temperature scale is corresponding refers to numerical value larger in the integer value of two Fahrenheit temperature, the less Fahrenheit temperature value that celsius temperature scale is corresponding refers to numerical value less in the integer value of two Fahrenheit temperature, i.e. larger the and less comparative result be applicable between sign two numerical value herein.Such as, Fahrenheit temperature 81 ℉ by converting (reduction formula be DEG C=(℉-32)/1.8) after the celsius temperature scale that obtains be 27.2 DEG C, Fahrenheit temperature 82 ℉ is 27.7 DEG C by the Celsius temperature obtained after conversion, because the data transmitted in communications protocol are integer, the temperature value that therefore fractional part is transmitted after being left in the basket is 27 DEG C.And which of two Fahrenheit temperature values the present invention can should show by the condition adjudgement of the transition flag position arranged in communications protocol, thus the nonsynchronous problem of display that the integer value solving corresponding two Fahrenheit temperature of same centigrade integer value causes.
Such as, the celsius temperature scale that communication bus 600 transmits is 27 DEG C, and when the state of transition flag position is 0, the less Fahrenheit temperature value that each display unit display celsius temperature scale is corresponding, namely shows 81 ℉.When the state of transition flag position is 1, the larger Fahrenheit temperature value that each display unit display celsius temperature scale is corresponding, namely shows 82 ℉.Like this, can ensure that the Temperature displaying between two line control machines or between line control machine and the lamp plate of indoor set is synchronous.
As further improvement, also comprise the steps:
Control system judges whether the saltus step of temperature value affects Consumer's Experience, and if so, then each display unit shows Fahrenheit temperature value corresponding to the celsius temperature scale that receives according to the state of transition flag position.If not, then the Celsius temperature received is shown as Fahrenheit temperature value according to the one-to-one relationship preset by each display unit, namely when the lamp plate 110 of two line control machines and indoor set 100 receives celsius temperature scale, one (show larger Fahrenheit temperature value or show less Fahrenheit temperature value) in two Fahrenheit temperature values that fixing this celsius temperature scale of display is corresponding, display can be realized synchronous.
Such as, the celsius temperature scale that communication bus 600 transmits is 27 DEG C, when the saltus step of temperature value does not affect Consumer's Experience, and the one-to-one relationship preset is show less Fahrenheit temperature value, then after celsius temperature scale 27 DEG C is converted into Fahrenheit temperature value, unification is shown as 81 ℉.If the one-to-one relationship now preset is the Fahrenheit temperature value that display is larger, then after celsius temperature scale 27 DEG C is converted into Fahrenheit temperature value, unification is shown as 82 ℉.It should be understood that temperature value herein can be celsius temperature scale or Fahrenheit temperature value, namely when not affecting Consumer's Experience, celsius temperature scale and Fahrenheit temperature value all should be continually varying.
Wherein, the basis for estimation that the saltus step of temperature value affects Consumer's Experience is: if during parameter that temperature value is temperature value etc. that user can be regulated by line control machine etc. can be set, then the saltus step of temperature value can affect Consumer's Experience; Because temperature value is that user can carry out by line control machine or remote controller etc. the parameter that regulates, therefore, design temperature must be continuous print, otherwise can affect Consumer's Experience.If temperature value is the environment temperature etc. that can be directly detected by checkout gear etc., user is not needed to carry out the temperature value setting or regulate, because the saltus step between environment temperature can not have an impact to the experience of user, then the saltus step of temperature value can not affect Consumer's Experience.
More preferably, control system judges the saltus step of temperature value also comprises the steps: before whether affecting the step of Consumer's Experience
After the product starts such as air-conditioner run, control system judges whether to show Fahrenheit temperature, if, then continue to judge whether the saltus step of temperature value affects Consumer's Experience, and then judge to adopt which kind of mode to show the integer value of Fahrenheit temperature corresponding to centigrade integer value, thus it is synchronous to realize between all parts between celsius temperature scale with Fahrenheit temperature value.If not, then the celsius temperature scale that receives of each display unit simultaneous display, the temperature value between all parts of now air-conditioning system can realize synchronous by celsius temperature scale.Now, the transition flag position in communications protocol is in cut-off state, is not namely shown as 0, is not also shown as 1.When the saltus step of temperature value does not affect Consumer's Experience, the celsius temperature scale that the first line control machine simultaneous display receives, now transition flag position is in cut-off state, and such as, transition flag position is shown as #.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
As shown in Figure 2, present invention also offers a kind of air-conditioning system, comprise indoor set 100, off-premises station 200, first line control machine 300, second line control machine 400 and control system.
Control system comprises microcontroller 500 and communication bus 600, and preferably, this communication bus 600 is RS485 bus or RS232 bus, and such as, communication bus 600 can adopt 485 hubs to realize.Microcontroller 500 is preferably single-chip microcomputer, DSP (Digital Signal Process, digital signal processor), FPGA (Field-Programmable Gate Array, field programmable gate array) or the microcontroller such as PLC (Programmable Logic Controller, programmable logic controller (PLC)) controller.Wherein, microcontroller 500, indoor set 100, off-premises station 200, first line control machine 300 and the second line control machine 400 all communication are connected to communication bus 600, and namely all parts of air-conditioning system is linked together by communication bus 600, share a communication network.
Transition flag position is provided with in the communications protocol of communication bus 600, microprocessor 500 in the present embodiment comprises the first judge module, the second judge module and the 3rd judge module, and the 3rd judge module, the second judge module and the first judge module are electrically connected successively.Wherein the first judge module is applicable to the state judging transition flag position, control each display unit and show Fahrenheit temperature value corresponding to the celsius temperature scale that receives according to the state of the transition flag position arranged in the communications protocol of communication bus 600, if the state of transition flag position is 0 in communications protocol, then show the less Fahrenheit temperature value that celsius temperature scale is corresponding; If the state of transition flag position is 1 in communications protocol, then show the larger Fahrenheit temperature value that celsius temperature scale is corresponding.In the present embodiment, the first line control machine 300 is applicable to show celsius temperature scale; Second line control machine 400 is applicable to Fahrenheit temperature value corresponding to the celsius temperature scale of the simultaneous display celsius temperature scale consistent with the first line control machine 300 or simultaneous display first line control machine 300.
Second judge module is applicable to judge whether the saltus step of temperature value affects Consumer's Experience, if, namely the second judge module judges that the saltus step of temperature value affects Consumer's Experience, then the first line control machine 300 shows the celsius temperature scale received, the Fahrenheit temperature value that the second line control machine 400 is corresponding according to the state synchronized display celsius temperature scale of transition flag position.If not, namely the second judge module judges that the saltus step of temperature value does not affect Consumer's Experience, then the first line control machine 300 shows the celsius temperature scale received, and the second line control machine 400 is according to Fahrenheit temperature value corresponding to one-to-one relationship simultaneous display celsius temperature scale preset.
3rd judge module is applicable to judge whether display Fahrenheit temperature value, if, namely when control system (the 3rd judge module of microcontroller 500) judges to need display Fahrenheit temperature, then the second judge module judges whether the saltus step of temperature value affects Consumer's Experience.If not, namely when the 3rd judge module of microcontroller judges not need display Fahrenheit temperature, the celsius temperature scale that the display unit simultaneous displays such as the first line control machine 300 and the second line control machine 400 receive.
More preferably, indoor set 100 comprises lamp plate 110, and lamp plate 110 is connected to communication bus 600, and lamp plate 110 is applicable to the parameters such as displays temperature, humidity or wind speed.When control system judges to need display Fahrenheit temperature value, the lamp plate 110 that control system controls indoor set 100 receives the celsius temperature scale Fahrenheit temperature value corresponding with this celsius temperature scale simultaneously, makes the display between the lamp plate 110 of indoor set 100 with two line control machines and between two line control machines synchronous.
Indoor set 100 and off-premises station 200 are provided with checkout gear (not shown), and checkout gear is connected to communication bus 600, and checkout gear is applicable to the parameters such as the wind speed of testing environment temperature, ambient humidity or air-conditioning.More preferably, this checkout gear comprises temperature sensor or temperature-sensitive bag, humidity sensor etc.
Celsius temperature of the present invention and Fahrenheit temperature show synchronous method and air-conditioning system, by arranging transition flag position in the communications protocol of communication bus, when the state of transition flag position is 0, the less Fahrenheit temperature value that display celsius temperature scale is corresponding, when the state of transition flag position is 1, the larger Fahrenheit temperature value that display celsius temperature scale is corresponding, thus the nonsynchronous problem of display that the integer-valued phenomenon solving corresponding two Fahrenheit temperature of same centigrade integer value causes.Meanwhile, the byte of setting up transition flag position needs in communications protocol is less, is convenient to the expansion realizing communications protocol.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. Fahrenheit temperature shows a synchronous method, it is characterized in that, comprises the steps:
Each display unit receives the celsius temperature scale that communication bus transmits;
The state of the transition flag position arranged in the communications protocol according to described communication bus shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives, if the state of transition flag position is 0 in described communications protocol, then show the less Fahrenheit temperature value that described celsius temperature scale is corresponding; If the state of transition flag position is 1 in described communications protocol, then show the larger Fahrenheit temperature value that described celsius temperature scale is corresponding.
2. Fahrenheit temperature according to claim 1 shows synchronous method, it is characterized in that, also comprises the steps:
Control system judges whether the saltus step of temperature value affects Consumer's Experience, and if so, then each display unit shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives according to the state of described transition flag position; If not, then the described Celsius temperature received is shown as Fahrenheit temperature value according to the one-to-one relationship preset by each display unit.
3. Fahrenheit temperature according to claim 2 shows synchronous method, it is characterized in that, the basis for estimation that the saltus step of described temperature value affects Consumer's Experience is: if described temperature value is the temperature value that user can regulate, then the saltus step of described temperature value can affect Consumer's Experience; If described temperature value is the environment temperature detected, then the saltus step of described temperature value can not affect Consumer's Experience.
4. Fahrenheit temperature according to claim 2 shows synchronous method, it is characterized in that, described control system judges the saltus step of temperature value also comprises the steps: before whether affecting the step of Consumer's Experience
Control system judges whether display Fahrenheit temperature value, if so, then continues to judge whether the saltus step of temperature value affects Consumer's Experience; If not, then the celsius temperature scale that receives of each display unit simultaneous display.
5. an air-conditioning system, is characterized in that, comprises indoor set (100), off-premises station (200), the first line control machine (300), the second line control machine (400) and control system;
Described control system comprises microcontroller (500) and communication bus (600), described microcontroller (500), described indoor set (100), described off-premises station (200), described first line control machine (300) and described second line control machine (400) all communication are connected to described communication bus (600), are provided with transition flag position in the communications protocol of described communication bus (600);
Described microprocessor (500) comprises the first judge module, described first judge module is applicable to the state judging described transition flag position, control each display unit and show Fahrenheit temperature value corresponding to the celsius temperature scale that receives according to the state of the transition flag position arranged in the communications protocol of described communication bus (600), if the state of transition flag position is 0 in described communications protocol, then show the less Fahrenheit temperature value that described celsius temperature scale is corresponding; If the state of transition flag position is 1 in described communications protocol, then show the larger Fahrenheit temperature value that described celsius temperature scale is corresponding.
6. air-conditioning system according to claim 5, it is characterized in that, described microcontroller (500) also comprises the second judge module, described second judge module is applicable to judge whether the saltus step of temperature value affects Consumer's Experience, if so, then each display unit shows Fahrenheit temperature value corresponding to the described celsius temperature scale that receives according to the state of described transition flag position; If not, then the described Celsius temperature received is shown as Fahrenheit temperature value according to the one-to-one relationship preset by each display unit.
7. air-conditioning system according to claim 5, it is characterized in that, described microcontroller (500) also comprises the 3rd judge module, described 3rd judge module is applicable to judge whether display Fahrenheit temperature value, if so, then described second judge module judges whether the saltus step of temperature value affects Consumer's Experience; If not, then the celsius temperature scale that receives of each display unit simultaneous display.
8. the air-conditioning system according to any one of claim 5-7, is characterized in that, described indoor set (100) comprises lamp plate (110), and described lamp plate (110) is connected to described communication bus (600).
9. the air-conditioning system according to any one of claim 5-7, is characterized in that, described communication bus is RS485 bus or RS232 bus.
10. the air-conditioning system according to any one of claim 5-7, it is characterized in that, described indoor set (100) and described off-premises station (200) are provided with checkout gear, and described checkout gear is connected to described communication bus (600).
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| CN106383803A (en) * | 2016-08-31 | 2017-02-08 | 珠海格力电器股份有限公司 | Temperature processing method and device |
| CN112413822A (en) * | 2020-11-26 | 2021-02-26 | 四川虹美智能科技有限公司 | Low-temperature anti-freezing protection method and air conditioning equipment |
| CN112665138A (en) * | 2021-01-19 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Central air-conditioning system and control method thereof |
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| CN201448966U (en) * | 2009-04-22 | 2010-05-05 | 珠海格力电器股份有限公司 | Air conditioning multi-couple machine wire control controller |
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| CN106383803A (en) * | 2016-08-31 | 2017-02-08 | 珠海格力电器股份有限公司 | Temperature processing method and device |
| CN106383803B (en) * | 2016-08-31 | 2019-11-05 | 珠海格力电器股份有限公司 | Temperature treatment method and device |
| CN112413822A (en) * | 2020-11-26 | 2021-02-26 | 四川虹美智能科技有限公司 | Low-temperature anti-freezing protection method and air conditioning equipment |
| CN112665138A (en) * | 2021-01-19 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Central air-conditioning system and control method thereof |
| WO2022156057A1 (en) * | 2021-01-19 | 2022-07-28 | 青岛海信日立空调系统有限公司 | Central air conditioning system and control method therefor |
| CN112665138B (en) * | 2021-01-19 | 2022-08-23 | 青岛海信日立空调系统有限公司 | Central air-conditioning system and control method thereof |
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