CN106352636B - Air-conditioner control method, controller and air conditioner - Google Patents
Air-conditioner control method, controller and air conditioner Download PDFInfo
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- CN106352636B CN106352636B CN201610931680.8A CN201610931680A CN106352636B CN 106352636 B CN106352636 B CN 106352636B CN 201610931680 A CN201610931680 A CN 201610931680A CN 106352636 B CN106352636 B CN 106352636B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air-conditioner control method, controller and air conditioners, the air-conditioner control method, it include: the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser, and it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine outdoor environment temperature T；Air conditioner is controlled according to the outdoor environment temperature T.Air-conditioner control method provided by the invention can obtain accurate outdoor temperature, and then accurately controlling for air conditioner may be implemented.
Description
Technical field
The present embodiments relate to air-conditioning technical fields, and in particular to a kind of air-conditioner control method, controller and air-conditioning
Device.
Background technique
Frequency conversion Split type air conditioner increasingly pursues the diversification and intelligence of its function at present.Temperature sensor is air conditioner
It is capable of the premise and guarantee of intelligent operation.Temperature sensor (sensing chamber's outer ring of the current outer machine of all household inverter air conditioners
Border temperature) it is all to have and only 1, it is temperature detection fuzzy control.
For example, when using the temperature sensor being arranged on condenser to obtain outdoor environment temperature, if running into heavy snow
When covering condenser or very high outdoor environment temperature, because the temperature that hot and cold radiation will cause temperature sensor detection is not quasi- enough
Really.For another example, when the temperature sensor for detecting outdoor environment breaks down, the normal operation of air conditioner will be directly affected.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of air-conditioner control method, controller and air conditioner, this hair
The air-conditioner control method of bright offer can obtain accurate outdoor temperature, and then the accurate control of air conditioner may be implemented
System.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of air-conditioner control methods, comprising:
According to the first outdoor temperature T1 that the first temperature sensor being mounted on condenser obtains, and it is mounted on outdoor
The second outdoor temperature T2 that second temperature sensor on the inside of air conditioner metal plate obtains, it is common to determine outdoor environment temperature T；
Air conditioner is controlled according to the outdoor environment temperature T.
Further, the basis is mounted on the first outdoor temperature T1 of the acquisition of the first temperature sensor on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine outdoor
Environment temperature T, comprising:
In cooling mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the first control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q1 >=Q2.
Further, before determining outdoor environment temperature T according to the first control strategy, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is a generation different in the two
Often, it is determined that outdoor environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
Further, the method also includes:
If both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q10 is true, if so, then determine outdoor environment temperature
It spends T=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to first control strategy；Wherein, Q10 >=4 DEG C.
Further, the method also includes:
If being both abnormal, the first indication signal is sent to indicate air conditioner with the first preset frequency to air conditioner
Operation sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
Further, the basis is mounted on the first outdoor temperature T1 of the acquisition of the first temperature sensor on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine outdoor
Environment temperature T, comprising:
In a heating mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the second control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q4 >=Q3.
Further, before determining outdoor environment temperature T according to the second control strategy, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is a generation different in the two
Often, it is determined that outdoor environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
Further, the method also includes:
If both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q20 is true, if so, then determine outdoor environment temperature
It spends T=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to second control strategy；Wherein, Q20 >=4 DEG C.
Further, the method also includes:
If being both abnormal, the second indication signal is sent to indicate air conditioner with the second preset frequency to air conditioner
Operation sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
Second aspect, the present invention also provides a kind of controllers, comprising: determining module and control module；
The determining module, the first outdoor temperature for being obtained according to the first temperature sensor being mounted on condenser
T1, and it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine
Outdoor environment temperature T；
The control module, for being controlled according to the outdoor environment temperature T air conditioner.
Further, the determining module, is specifically used for:
In cooling mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the first control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q1 >=Q2.
Further, the controller further include: detection module；
The detection module, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module, for the detection module detect in the two have one be abnormal when, really
Determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
Further, the determining module is also used to sentence when the detection module detects both no exceptions
Whether Duan ∣ T1-T2 ∣ > Q10 is true, when Bing ∣ T1-T2 ∣ > Q10 is set up, determines outdoor environment temperature T=(T1+T2)/2；Or
When Zhe ∣ T1-T2 ∣ > Q10 is invalid, outdoor environment temperature T is determined according to first control strategy；Wherein, Q10 >=4 DEG C.
Further, the determining module is also used to when the detection module is detected and is both abnormal, to sky
It adjusts device to send the first indication signal run with the first preset frequency to indicate air conditioner or to air conditioner transmission failure alarm signal
To indicate that air conditioner is out of service.
Further, the determining module, is specifically used for:
In a heating mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the second control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q4 >=Q3.
Further, the controller further include: detection module；
The detection module, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module, for the detection module detect in the two have one be abnormal when, really
Determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
Further, the determining module is also used to sentence when the detection module detects both no exceptions
Whether Duan ∣ T1-T2 ∣ > Q20 is true, when Bing ∣ T1-T2 ∣ > Q20 is set up, determines outdoor environment temperature T=(T1+T2)/2；Or
When Zhe ∣ T1-T2 ∣ > Q20 is invalid, outdoor environment temperature T is determined according to second control strategy；Wherein, Q20 >=4 DEG C.
Further, the determining module is also used to when the detection module is detected and is both abnormal, to sky
It adjusts device to send the second indication signal run with the second preset frequency to indicate air conditioner or to air conditioner transmission failure alarm signal
To indicate that air conditioner is out of service.
The third aspect, the present invention also provides a kind of air conditioners, including controller as described above.
As shown from the above technical solution, air-conditioner control method provided by the invention, according to be mounted on condenser
The the first outdoor temperature T1 and the second temperature sensor being mounted on the inside of outdoor air-conditioner metal plate that one temperature sensor obtains
The the second outdoor temperature T2 obtained, it is common to determine outdoor environment temperature T, then according to determining outdoor environment temperature T to air-conditioning
Device is accurately controlled.The scheme of outdoor temperature is obtained only with a temperature sensor compared with the prior art, the present invention adopts
Outdoor environment temperature is determined jointly with two temperature sensors being separately positioned on the inside of condenser and outdoor air-conditioner metal plate
Technical solution can more cope with some uncertain factors or special status (the case where such as single temperature sensor detection misalignment), in turn
Accurate outdoor temperature can be obtained, to realize accurately controlling for air conditioner.It is also possible to realize band event
Barrier is run, such as can still guarantee the reliability service of air conditioner when wherein a temperature sensor breaks down.
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, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flow chart for the air-conditioner control method that first embodiment of the invention provides；
Fig. 2 is the operation principle schematic diagram of outer machine microprocessor；
Fig. 3 is a kind of flow diagram for the air-conditioner control method that second embodiment of the invention provides；
Fig. 4 is another flow diagram for the air-conditioner control method that second embodiment of the invention provides；
Fig. 5 is a kind of flow diagram for the air-conditioner control method that third embodiment of the invention provides；
Fig. 6 is another flow diagram for the air-conditioner control method that third embodiment of the invention provides；
Fig. 7 is a kind of structural schematic diagram for the controller that four embodiment of the invention provides；
Fig. 8 is another structural schematic diagram for the controller that four embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
For the problems of the prior art, the present invention provides a kind of air-conditioner control method, controller and air-conditioning, the present invention
The air-conditioner control method of offer can obtain accurate outdoor temperature, to realize accurately controlling for air conditioner.Below
Explanation will be explained in detail to the present invention by the first to the 5th embodiment.
Fig. 1 shows the flow chart of the air-conditioner control method of first embodiment of the invention offer, referring to Fig. 1, this hair
The air-conditioner control method that bright one embodiment provides includes the following steps:
Step 101: the first the outdoor temperature T1, Yi Jian obtained according to the first temperature sensor being mounted on condenser
The second outdoor temperature T2 that second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine outdoor environment temperature
Spend T.
Step 102: air conditioner being controlled according to the outdoor environment temperature T.
In above-mentioned steps 101, the first outdoor temperature T1 and second outdoor temperature can be periodically obtained
T2 determines outdoor environment temperature T according to the T1 and T2 jointly.For example, can be automatic with every preset time period (such as 3 seconds)
The second outdoor temperature that the first outdoor temperature T1 and second temperature sensor for reading the acquisition of the first temperature sensor are obtained
Then T2 determines outdoor environment temperature T according to the first outdoor temperature T1 and the second outdoor temperature T2 jointly.The present embodiment is according to institute
It states T1 and the T2 and determines that outdoor environment temperature T has the advantage that for example, when external environment is to the first temperature sensor jointly
, can be using the second outdoor temperature T2 as outdoor environment temperature T when the first outdoor temperature T1 obtained is unfavorable, or work as
When the second outdoor temperature T2 that external environment obtains second temperature sensor is unfavorable, the first outdoor temperature T1 can be used
As outdoor environment temperature T.Or in no special situation, the first outdoor temperature T1 and the second outdoor temperature can be used
The mean value of T2 is as outdoor environment temperature, to guarantee the accuracy of outdoor environment temperature acquisition.Or when the first temperature sensing
When device or second temperature sensor break down, the temperature obtained using the sensor not broken down is as outdoor environment temperature
T。
In a kind of optional embodiment, the first temperature sensor can by being stuck on condenser fin, second
Temperature sensor can be by being stuck on the inside of outdoor air-conditioner metal plate.
In a kind of optional embodiment, the executing subject of above-mentioned steps 101 can be outer machine microprocessor.I.e. outer machine is micro-
Processor can read automatically the temperature of the first outdoor temperature T1 and second of the first temperature sensor acquisition with every preset time period
The second outdoor temperature T2 that sensor obtains is spent, room is then determined according to the first outdoor temperature T1 and the second outdoor temperature T2 jointly
External environment temperature T.Certainly, the executing subject of above-mentioned steps 101 is not limited to the outer machine microprocessor, can also be air conditioner
Other interior controls or processing unit.
External machine microprocessor is simply introduced below.Referring to fig. 2, the effect of outer machine microprocessor is to receive, handle
And transmit signal and issue instruction, when outer machine microprocessor receive air-conditioning remote control sending operational mode, set temperature,
After many temperature signals such as the outdoor environment temperature that indoor environment temperature and outer machine microprocessor itself obtain, by logic meter
Calculation obtains control instruction, then control instruction is sent to the execution unit of outdoor air-conditioner, including compressor, outdoor fan and
Electric expansion valve, while control instruction is sent to by indoor and outdoor communication line by indoor fan, control the operating of indoor fan.
Since the control section belongs to the prior art, therefore and will not be described here in detail.
It should be noted that air-conditioner control method provided in an embodiment of the present invention, is particularly suitable for frequency conversion domestic air conditioning.
As seen from the above description, air-conditioner control method provided in an embodiment of the present invention, according to being mounted on condenser
The the first outdoor temperature T1 and the second temperature sensing being mounted on the inside of outdoor air-conditioner metal plate that first temperature sensor obtains
The second outdoor temperature T2 that device obtains, it is common to determine outdoor environment temperature T, then according to determining outdoor environment temperature T to sky
Device is adjusted to be accurately controlled.The scheme of outdoor temperature, the present invention are obtained only with a temperature sensor compared with the prior art
Outdoor environment temperature is determined jointly using two temperature sensors being separately positioned on the inside of condenser and outdoor air-conditioner metal plate
Technical solution can more cope with some uncertain factors or special status (the case where such as single temperature sensor detection misalignment), into
And accurate outdoor temperature can be obtained, to realize accurately controlling for air conditioner.In addition, the embodiment of the present invention can be with
Realization operates with failure, such as can still guarantee the reliable fortune of air conditioner when wherein a temperature sensor breaks down
Row.
In second embodiment of the invention, a kind of specific implementation side of above-mentioned steps 101 in cooling mode is given
Formula.
In the present embodiment, above-mentioned steps 101 specifically include:
In cooling mode, referring to Fig. 3, the first outdoor obtained according to the first temperature sensor being mounted on condenser
Temperature T1, and it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to
Following first control strategies determine outdoor environment temperature T:
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；Wherein, Q1 >=Q2.
For example, Q2=30 DEG C, Q1=38 DEG C.
When 30 DEG C of (T1+T2)/2 <, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；The purpose is to:
Under middle low temperature environment, in order to strengthen level of refrigeration, outdoor environment temperature detection cannot be relatively low, enough cold to bring to user
Amount.Generally under this temperature environment, it is mounted on the first outdoor temperature T1 phase of the first temperature sensor acquisition on condenser
It is higher for the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains for being mounted on,
It is thus determined that outdoor environment temperature T=T1 or T=max { T1, T2 }.
When 30 DEG C≤(T1+T2)/2≤38 DEG C when, determine outdoor environment temperature T=(T1+T2)/2；The purpose is to: at this
Under kind temperature environment, the numerical bias of the first temperature sensor and second temperature sensor detection is not severe and do not need spy yet
Not Qiang Hua refrigerating environment, therefore in order to be conducive to the Precision measurement of outdoor environment under refrigeration mode, take the first outdoor temperature T1 and
Final value of the average value of second outdoor temperature T2 as outdoor environment temperature T.
When 38 DEG C of (T1+T2)/2 >, outdoor environment temperature T=T2 is determined；The purpose is to: under this hot environment,
Prevent condenser heat radiation the first outdoor temperature of bring T1 from detecting higher situation.
In order to guarantee the accuracy of the outdoor environment temperature T finally determined, further, true according to the first control strategy
Before determining outdoor environment temperature T, referring to fig. 4, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is a generation different in the two
Often, it is determined that outdoor environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
For example, when short circuit or open circuit occur for the first temperature sensor, it will be outside the second Room of second temperature sensor acquisition
Temperature T2 is as outdoor environment temperature T, i.e. T=T2.Conversely, when short circuit or open circuit occur for second temperature sensor, by first
The first outdoor temperature T1 that temperature sensor obtains is as outdoor environment temperature T, i.e. T=T1.Air conditioner can be made to realize in this way
It operates with failure.
Further, if being both abnormal, the first indication signal is sent to air conditioner to indicate air conditioner with the
The operation of one preset frequency sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
Further, if both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q10 is true, if so, then determine
Outdoor environment temperature T=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to first control strategy；Wherein, Q10 >=
4℃。
It is understood that in a kind of optional embodiment, if the first temperature sensor and second temperature sensor
Equal no exceptions then directly can determine outdoor environment temperature T according to first control strategy；Embodiment party given above
Formula is why before determining outdoor environment temperature T according to first control strategy, then whether judges Yi Xia ∣ T1-T2 ∣ > Q10
It sets up, is that T1 and T2 causes air conditioner to outdoor environment temperature T due to there is very big deviation by other signal interferences in order to prevent
Erroneous judgement, in turn result in air conditioner realize error control.For this problem, the embodiment of the present invention is determining the first temperature sensing
After device and the equal no exceptions of second temperature sensor, before executing above-mentioned first control strategy, first Pan Duan ∣ T1-T2 ∣ >
Whether Q10 is true, if so, illustrate that there are relatively large deviations for the two, furthermore should determine outdoor environment temperature in conjunction with the average value of the two
Degree, such as T=(T1+T2)/2；Otherwise both illustrate that deviation is little, at this time can the first control strategy according to Fig.3, determine
Outdoor environment temperature T；Wherein, it is implicitly present in relatively large deviation before in order to illustrate T1 and T2, it is preferable that judgment threshold Q10 >=4
℃。
In third embodiment of the invention, a kind of specific implementation side of above-mentioned steps 101 in a heating mode is given
Formula.
In the present embodiment, above-mentioned steps 101 specifically include:
In a heating mode, referring to Fig. 5, the first outdoor obtained according to the first temperature sensor being mounted on condenser
Temperature T1, and it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to
Following second control strategies determine outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；Wherein, Q4 >=Q3.
For example, Q3=-3 DEG C, Q4=7 DEG C.
As (T1+T2)/2 < -3 DEG C, outdoor environment temperature T=T2 is determined；The purpose is to: it is special in cold outdoor environment
In the case where not being the snowy covering of condenser, be mounted on the first outdoor temperature that the first temperature sensor on condenser obtains and
True environment temperature difference is larger, and then influences air conditioner and accurately control.In this case, outdoor environment temperature T is determined
For the temperature T2 of second temperature sensor detection.
When -3 DEG C≤(T1+T2)/2≤7 DEG C when, determine outdoor environment temperature T=(T1+T2)/2；The purpose is to: this
Under temperature environment, the numerical bias of the first temperature sensor and second temperature sensor detection is not severe, and does not also need spy
Environment Qiang Hua not heated, therefore in order to be conducive to the Precision measurement of outdoor environment under refrigeration mode, take the first outdoor temperature T1 and
Final value of the average value of second outdoor temperature T2 as outdoor environment temperature T.
When 7 DEG C of (T1+T2)/2 >, outdoor environment temperature T=min { T1, T2 } is determined；The purpose is to: in this temperature
Under environment, in order to strengthen heating environment, heating level is improved, outdoor environment temperature T takes in T1 and T2 lesser one.
In order to guarantee the accuracy of the outdoor environment temperature T finally determined, further, true according to the second control strategy
Before determining outdoor environment temperature T, referring to Fig. 6, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is a generation different in the two
Often, it is determined that outdoor environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
For example, when short circuit or open circuit occur for the first temperature sensor, it will be outside the second Room of second temperature sensor acquisition
Temperature T2 is as outdoor environment temperature T, i.e. T=T2.Conversely, when short circuit or open circuit occur for second temperature sensor, by first
The first outdoor temperature T1 that temperature sensor obtains is as outdoor environment temperature T, i.e. T=T1.Air conditioner can be made to realize in this way
It operates with failure.
Further, if being both abnormal, the second indication signal is sent to air conditioner to indicate air conditioner with the
The operation of two preset frequencies sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
Further, if both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q20 is true, if so, then determine
Outdoor environment temperature T=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to second control strategy；Wherein, Q20 >=
4℃。
As it can be seen that in the present embodiment, T1 and T2 causes sky due to there is very big deviation by other signal interferences in order to prevent
Erroneous judgement of the device to outdoor environment temperature T is adjusted, the embodiment of the present invention is before executing above-mentioned second control strategy, first Pan Duan ∣ T1-T2
Whether ∣ > Q20 is true, if so, illustrate that there are relatively large deviations for the two, furthermore should determine outdoor environment in conjunction with the average value of the two
Temperature, such as T=(T1+T2)/2；Otherwise the second control strategy determines outdoor environment temperature T according to figure 5；Wherein, in order to
Illustrate to be implicitly present in relatively large deviation before T1 and T2, it is preferable that judgment threshold Q20 >=4 DEG C.
Based on same inventive concept, four embodiment of the invention provides a kind of controller, referring to Fig. 7, the control
Device comprises determining that module 71 and control module 72；
The determining module 71, the first outdoor temp for being obtained according to the first temperature sensor being mounted on condenser
T1 is spent, and is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common true
Determine outdoor environment temperature T；
The control module 72, for being controlled according to the outdoor environment temperature T air conditioner.
In a kind of optional embodiment, the determining module 71 is specifically used for:
In cooling mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the first control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q1 >=Q2.
In a kind of optional embodiment, referring to Fig. 8, the controller further include: detection module 73；
The detection module 73, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module 71, for detecting in the two there is one to be abnormal in the detection module 73
When, determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
Both in a kind of optional embodiment, the determining module 71, be also used to detect in the detection module 73
When equal no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q10 is true, when Bing ∣ T1-T2 ∣ > Q10 is set up, determines outdoor environment temperature
It spends T=(T1+T2)/2；Or ∣ T1-T2 ∣ > Q10 it is invalid when, outdoor environment temperature is determined according to first control strategy
Spend T；Wherein, Q10 >=4 DEG C.
In a kind of optional embodiment, the determining module 71 is also used to detect both in the detection module
When being abnormal, the first indication signal is sent to air conditioner and run with the first preset frequency with to indicate air conditioner or to air conditioner hair
Failure alarm signal is sent to indicate that air conditioner is out of service.
In a kind of optional embodiment, the determining module 71 is specifically used for:
In a heating mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the second control
Strategy determines outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q4 >=Q3.
In a kind of optional embodiment, the controller further include: detection module 73；
The detection module 73, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module 71, for the detection module detect in the two have one be abnormal when,
Determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
In a kind of optional embodiment, the determining module 71 is also used to detect both in the detection module
When no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q20 is true, when Bing ∣ T1-T2 ∣ > Q20 is set up, determines outdoor environment temperature
T=(T1+T2)/2；Or ∣ T1-T2 ∣ > Q20 it is invalid when, outdoor environment temperature is determined according to second control strategy
T；Wherein, Q20 >=4 DEG C.
In a kind of optional embodiment, the determining module 71 is also used to detect both in the detection module
When being abnormal, the second indication signal is sent to air conditioner and run with the second preset frequency with to indicate air conditioner or to air conditioner hair
Failure alarm signal is sent to indicate that air conditioner is out of service.
The controller as described in the present embodiment can be used for executing control method described in the various embodiments described above, principle
It is similar with technical effect, therefore details are not described herein again.
Based on same inventive concept, fifth embodiment of the invention provides a kind of air conditioner, which includes such as
Controller described in above example.The air conditioner can solve same technology and ask due to including above-mentioned controller
Topic, and obtain identical technical effect.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, 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 (17)
1. a kind of air-conditioner control method characterized by comprising
According to the first outdoor temperature T1 that the first temperature sensor being mounted on condenser obtains, and it is mounted on outdoor air conditioner
The second outdoor temperature T2 that second temperature sensor on the inside of device metal plate obtains, it is common to determine outdoor environment temperature T；
Air conditioner is controlled according to the outdoor environment temperature T；
Wherein, the basis is mounted on the first outdoor temperature T1 of the acquisition of the first temperature sensor on condenser, and installation
The second outdoor temperature T2 that second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, determines outdoor environment temperature jointly
T, comprising:
In cooling mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser, and
It is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the first control strategy
Determine outdoor environment temperature T:
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q1 >=Q2.
2. the method according to claim 1, wherein determining outdoor environment temperature T according to the first control strategy
Before, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is one to be abnormal in the two,
Determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
If both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q10 is true, if so, then determine outdoor environment temperature T
=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to first control strategy；Wherein, Q10 >=4 DEG C.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
If being both abnormal, the first indication signal is sent to indicate that air conditioner is run with the first preset frequency to air conditioner
Or failure alarm signal is sent to indicate that air conditioner is out of service to air conditioner.
5. method according to any one of claims 1 to 4, which is characterized in that the basis is mounted on condenser
The first outdoor temperature T1 that one temperature sensor obtains, and it is mounted on the second temperature sensor on the inside of outdoor air-conditioner metal plate
The the second outdoor temperature T2 obtained, it is common to determine outdoor environment temperature T, comprising:
In a heating mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser, and
It is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the second control strategy
Determine outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q4 >=Q3.
6. according to the method described in claim 5, it is characterized in that, determining outdoor environment temperature T according to the second control strategy
Before, the method also includes:
It detects the first temperature sensor and whether second temperature sensor is abnormal, if there is one to be abnormal in the two,
Determine the temperature that the temperature sensor that outdoor environment temperature T is no exceptions obtains.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
If both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q20 is true, if so, then determine outdoor environment temperature T
=(T1+T2)/2；Otherwise outdoor environment temperature T is determined according to second control strategy；Wherein, Q20 >=4 DEG C.
8. the method according to the description of claim 7 is characterized in that the method also includes:
If being both abnormal, the second indication signal is sent to indicate that air conditioner is run with the second preset frequency to air conditioner
Or failure alarm signal is sent to indicate that air conditioner is out of service to air conditioner.
9. a kind of controller characterized by comprising determining module and control module, in which:
The determining module, the first outdoor temperature T1 for being obtained according to the first temperature sensor being mounted on condenser,
And it is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, it is common to determine outdoor
Environment temperature T；
The control module, for being controlled according to the outdoor environment temperature T air conditioner；
Wherein, the determining module, is specifically used for:
In cooling mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser, and
It is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the first control strategy
Determine outdoor environment temperature T:
As (T1+T2)/2 > Q1, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 < Q2, outdoor environment temperature T=T1 or T=max { T1, T2 } are determined；
As Q2≤(T1+T2)/2≤Q1, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q1 >=Q2.
10. controller according to claim 9, which is characterized in that further include: detection module；
The detection module, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module, for the detection module detect in the two have one be abnormal when, determine room
External environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
11. controller according to claim 10, which is characterized in that the determining module is also used in the detection mould
When block detects both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q10 is true, when Bing ∣ T1-T2 ∣ > Q10 is set up, really
Determine outdoor environment temperature T=(T1+T2)/2；Or ∣ T1-T2 ∣ > Q10 it is invalid when, it is true according to first control strategy
Determine outdoor environment temperature T；Wherein, Q10 >=4 DEG C.
12. controller according to claim 11, which is characterized in that the determining module is also used in the detection mould
Block detects when being both abnormal, and sends the first indication signal to air conditioner to indicate that air conditioner is transported with the first preset frequency
Row sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
13. according to the described in any item controllers of claim 9~12, which is characterized in that the determining module is specifically used for:
In a heating mode, the first outdoor temperature T1 obtained according to the first temperature sensor being mounted on condenser, and
It is mounted on the second outdoor temperature T2 that the second temperature sensor on the inside of outdoor air-conditioner metal plate obtains, according to the second control strategy
Determine outdoor environment temperature T:
As (T1+T2)/2 < Q3, outdoor environment temperature T=T2 is determined；
As (T1+T2)/2 > Q4, outdoor environment temperature T=min { T1, T2 } is determined；
As Q3≤(T1+T2)/2≤Q4, outdoor environment temperature T=(T1+T2)/2 is determined；
Wherein, Q4 >=Q3.
14. controller according to claim 13, which is characterized in that further include: detection module；
The detection module, for detecting whether the first temperature sensor and second temperature sensor are abnormal；
Correspondingly, the determining module, for the detection module detect in the two have one be abnormal when, determine room
External environment temperature T is the temperature that the temperature sensor of no exceptions obtains.
15. controller according to claim 14, which is characterized in that the determining module is also used in the detection mould
When block detects both no exceptions, whether Pan Duan ∣ T1-T2 ∣ > Q20 is true, when Bing ∣ T1-T2 ∣ > Q20 is set up, really
Determine outdoor environment temperature T=(T1+T2)/2；Or ∣ T1-T2 ∣ > Q20 it is invalid when, it is true according to second control strategy
Determine outdoor environment temperature T；Wherein, Q20 >=4 DEG C.
16. controller according to claim 15, which is characterized in that the determining module is also used in the detection mould
Block detects when being both abnormal, and sends the second indication signal to air conditioner to indicate that air conditioner is transported with the second preset frequency
Row sends failure alarm signal to air conditioner to indicate that air conditioner is out of service.
17. a kind of air conditioner, which is characterized in that including the described in any item controllers of such as claim 9~16.
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| CN201610931680.8A CN106352636B (en) | 2016-10-31 | 2016-10-31 | Air-conditioner control method, controller and air conditioner |
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| CN107143974B (en) * | 2017-05-05 | 2020-10-20 | 青岛海尔空调电子有限公司 | Control device and method for outdoor fan of air conditioner |
| CN107192135B (en) * | 2017-06-16 | 2020-02-28 | 广东美的暖通设备有限公司 | Heat pump water heater and fault detection method and device of water tank temperature sensor thereof |
| CN107560097A (en) * | 2017-10-12 | 2018-01-09 | 广东美的暖通设备有限公司 | The module temperature sensor detection method and device of air-conditioning equipment |
| CN108006890B (en) * | 2017-11-03 | 2020-10-09 | 特灵空调系统(中国)有限公司 | Air conditioner heat dissipation control method, air conditioner heat dissipation control device and air conditioner |
| CN108981076B (en) * | 2018-07-02 | 2020-03-27 | 珠海格力电器股份有限公司 | Unit control method and system and air conditioner |
| WO2024000962A1 (en) * | 2022-06-30 | 2024-01-04 | 广东美的制冷设备有限公司 | Control method for air conditioner, controller, air conditioner, and storage medium |
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