CN110173852A - The control method for frequency and air conditioner of air conditioner - Google Patents
The control method for frequency and air conditioner of air conditioner Download PDFInfo
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- CN110173852A CN110173852A CN201910454447.9A CN201910454447A CN110173852A CN 110173852 A CN110173852 A CN 110173852A CN 201910454447 A CN201910454447 A CN 201910454447A CN 110173852 A CN110173852 A CN 110173852A
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- air conditioner
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Classifications
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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
- F24F11/64—Electronic processing using pre-stored data
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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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The present invention provides a kind of control method for frequency of air conditioner, comprising: according to the operating status of air conditioner, the corresponding temperature restraint constant of the operating status and air outlet temperature, the working frequency for controlling the air conditioner executes corresponding modification model.The present invention is by increasing temperature restraint constant and air outlet temperature, the working frequency that air conditioner can accurately be controlled executes corresponding modification model, when so that air conditioner being in refrigeration or heating mode, while guaranteeing fast cooling or heating, running comfort can also be improved, to improve the experience sense of user.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to the control method for frequency and air conditioner of a kind of air conditioner.
Background technique
The technological trend of convertible frequency air-conditioner is comfort and health at present, and most of control is mainly with set temperature and environment
The temperature difference of temperature carries out the control of frequency, achievees the effect that fast cooling, but the refrigeration leaving air temp of practical air-conditioning often exists
10 DEG C hereinafter, even lower than 7 DEG C, heating leaving air temp can be at 35 DEG C hereinafter, even lower than 32 DEG C, long-play comfort
Difference, and it is easy to cause air conditioner disease.It can be seen that, it is desirable to provide a kind of control method for frequency is to solve the above problems.
Summary of the invention
Problems solved by the invention is how in air conditioner to be in refrigeration or when heating mode, guarantee fast cooling or
While person is heated up, comfort is improved, to improve the experience sense of user.
To solve the above problems, the present invention provides a kind of control method for frequency of air conditioner, comprising: according to the fortune of air conditioner
The corresponding temperature restraint constant of row state, the operating status and air outlet temperature, control the working frequency of the air conditioner
Execute corresponding modification model.Increase temperature restraint constant and air outlet temperature, can accurately control the work of air conditioner
Frequency executes corresponding modification model, so that air conditioner, which is in when freezing perhaps heating mode, is guaranteeing fast cooling or liter
While warm, moreover it is possible to running comfort is improved, to improve the experience sense of user.
Further, according to the operating status of air conditioner, the corresponding temperature restraint constant of the operating status and outlet air
Mouth temperature, the working frequency for controlling the air conditioner execute corresponding modification model, comprising: judge the operation shape of the air conditioner
State；After the runing time of the compressor of the air conditioner reaches first time D1, determine the temperature restraint constant with it is described
The temperature difference of air outlet temperature；According to the temperature difference, the working frequency for controlling the air conditioner executes corresponding modification model.
Further, the operating status includes heating state and refrigerating state, and the temperature restraint constant includes heating
Leaving air temp constrains constant TLConstant TR is constrained with refrigeration leaving air temp, the temperature difference includes the first temperature difference and second temperature
Difference, after the runing time of the compressor of the air conditioner reaches first time D1, determine the temperature restraint constant with it is described
The temperature difference of air outlet temperature, comprising: when the operating status is refrigerating state, determine that the refrigeration leaving air temp constraint is normal
The number TR and air outlet temperature TBThe first temperature difference Δ T1=TL-TB；When the operating status is heating state, determine
The heating leaving air temp constraint constant TR and air outlet temperature TBSecond temperature difference Δ T2=TB-TR.Present invention introduces
Refrigeration, heating leaving air temp constrain constant, by judging that leaving air temp and leaving air temp constrain the difference of constant, carry out outer machine pressure
The Correction and Control of contracting machine running frequency prevents air conditioner outlet air supercooling or overheat in refrigeration or heating, improves user
Experience sense, reduce the probability of air conditioner disease.
Further, according to the temperature difference, the working frequency for controlling the air conditioner executes corresponding modification model, packet
Include: as the first temperature difference Δ T1 < predetermined temperature value T, the working frequency for controlling the air conditioner executes the first modification model；
As Δ T1 >=T, the working frequency for controlling the air conditioner executes the second modification model；As second temperature difference Δ T2 < T, control
The working frequency for making the air conditioner executes third modification model；As Δ T2 >=T, the working frequency for controlling the air conditioner is held
The 4th modification model of row.According to the first temperature difference, the size relation of second temperature difference and T, the working frequency for controlling air conditioner is held
The corresponding modification model of row, realizes the control of different situations difference modification model, more rapidly can cosily run.
Further, the working frequency for controlling the air conditioner executes the first modification model, comprising: determines indoor environment temperature
Spend TAWith preset temperature TSThird temperature difference Δ T3=TA-TS；According to maximum upper limit frequency corresponding to Δ T3, outdoor temperature
FCH and refrigeration minimum operation limit frequency FL, determines refrigeration target operating frequency FLC:
Further, the working frequency for controlling the air conditioner executes the second modification model, comprising:
Determine indoor environment temperature TAWith preset temperature TSThird temperature difference Δ T3=TA-TS；
According to maximum upper limit frequency FCH corresponding to Δ T3, frequency reducing COEFFICIENT K 1, outdoor temperature and refrigeration minimum operation limit
Frequency FL processed determines refrigeration target operating frequency FLC':
Wherein, frequency reducing COEFFICIENT K 1 meets formula K1=TB/2TL；Air conditioner is with FLC' it is that present operating frequency is run, up to
TB≥TM.In refrigeration, frequency reducing COEFFICIENT K 1 is increased, K1 deviates TLMore, frequency reducing amplitude is bigger, is finally made by frequency adjusting
TBGreater than TL, ensure that refrigerating efficiency.
Further, after working frequency the second modification model of execution for controlling the air conditioner, air-conditioning is further comprised the steps of:
Device reaches the 4th time D4 with the runing time that FLC ' is present operating frequency, and the working frequency for controlling the air conditioner executes phase
The modification model answered.In this way, being just avoided that quick frequency reducing bring fluctuations in indoor temperature is excessive, comfort is influenced.
Further, the working frequency for controlling the air conditioner executes third modification model, comprising: determines preset temperature TS
With the 4th temperature difference Δ T4=T of indoor environment temperature TAS-TA；According to maximum upper limit frequency corresponding to Δ T4, outdoor temperature
FCH and heating minimum operation limit frequency FH, determines heating target operating frequency FHC:
Further, the working frequency for controlling the air conditioner executes the 4th modification model, comprising: determines preset temperature TS
With the 4th temperature difference Δ T4=T of indoor environment temperature TAS-TA；According to corresponding to Δ T4, raising frequency COEFFICIENT K 2, outdoor temperature most
Big upper limiting frequency FCH and heating minimum operation limit frequency FH, determines heating target operating frequency FHC':
Wherein, K2=TR/2TB；Air conditioner is with FHC' it is that present operating frequency is run, until TB≥TN.In heating, increase
Raising frequency COEFFICIENT K 2, K2 deviate TRMore, raising frequency amplitude is bigger, and being adjusted by frequency finally makes TBGreater than TR, ensure that heating effect
Rate.
Further, after working frequency the 4th modification model of execution for controlling the air conditioner, air-conditioning is further comprised the steps of:
Device reaches the 5th time D5 with the runing time that FHC ' is present operating frequency, and the working frequency for controlling the air conditioner executes phase
The modification model answered.In this way, being just avoided that quick raising frequency bring fluctuations in indoor temperature is excessive, comfort is influenced.
A kind of air conditioner, comprising: memory, for storing executable instruction；Processor, for according in the memory
Executable instruction, execute the control method for frequency of air conditioner as the aforementioned.
Possessed advantage is identical compared with the existing technology with the control method for frequency of above-mentioned air conditioner for the air conditioner,
This is repeated no more.
Detailed description of the invention
Fig. 1 is the sub-step schematic diagram of the step S of the control method for frequency of the air conditioner of the embodiment of the present invention；
Fig. 2 is the sub-step schematic diagram of S2 in Fig. 1；
Fig. 3 is the sub-step schematic diagram of S3 in Fig. 1.
Specific embodiment
Convertible frequency air-conditioner long-time running comfort in refrigeration and heating is poor at present, and is easy to cause air conditioner disease, in view of
This, the present invention provides a kind of control method for frequency of air conditioner by increasing temperature restraint constant and air outlet temperature, energy
Enough working frequencies for accurately controlling air conditioner execute corresponding modification model, so that air conditioner is in refrigeration or heating mode
When, while guaranteeing fast cooling or heating, moreover it is possible to running comfort is improved, to improve the experience sense of user.
The embodiment of the invention provides a kind of control method for frequency of air conditioner, including step S: according to the operation of air conditioner
The corresponding temperature restraint constant of state, the operating status and air outlet temperature, the working frequency for controlling the air conditioner are held
The corresponding modification model of row.It can be seen that increasing temperature restraint constant and air outlet temperature, air conditioner can be accurately controlled
Working frequency execute corresponding modification model, when so that air conditioner being in refrigeration or heating mode, guaranteeing fast cooling
Or while heating, moreover it is possible to running comfort is improved, to improve the experience sense of user.
Fig. 1 is the sub-step schematic diagram of the step S of the control method for frequency of the air conditioner of the embodiment of the present invention, such as Fig. 1 institute
Show, step S may include following sub-step:
S1, the operating status for judging the air conditioner；
S2, the air conditioner compressor start runing time be first time D1 when, determine that the temperature restraint is normal
Several temperature differences with the air outlet temperature；
S3, according to the temperature difference, the working frequency for controlling the air conditioner executes corresponding modification model.
In view of compressor operation a period of time can be only achieved stable state, at this point, the temperature of air outlet temperature is compared with subject to
Really, the temperature difference of temperature restraint constant and the air outlet temperature also more precisely, therefore the value range of D1 can for [30min,
40min]。
First time D1 has been run in air conditioner, after stable state, has passed through temperature restraint constant and the outlet air
The temperature difference of mouthful temperature, the working frequency of control amendment air conditioner, so as to maintain user more acceptable for leaving air temp
In range, the experience sense of user is improved.
The operating status includes heating state and refrigerating state, and the temperature restraint constant includes heating leaving air temp about
Beam constant TLConstant T is constrained with refrigeration leaving air tempR, the temperature difference includes that the first temperature difference and second temperature are poor.Fig. 2 is Fig. 1
The sub-step schematic diagram of middle S2, as shown in Fig. 2, step S2 may include:
S21, when the operating status is refrigerating state, determine that the refrigeration leaving air temp constrains constant TRWith it is described go out
Draught temperature TBThe first temperature difference Δ T1=TL-TB；
S22, when the operating status is heating state, determine that the heating leaving air temp constrains constant TRWith it is described go out
Draught temperature TBSecond temperature difference Δ T2=TB-TR。
Present invention introduces refrigeration, heating leaving air temps to constrain constant, by judging that it is normal that leaving air temp and leaving air temp constrain
The difference of amount carries out the Correction and Control of outer machine compressor operating frequency, and air conditioner outlet air in refrigeration or heating is prevented to be subcooled
Or overheat, the experience sense of user is improved, the probability of air conditioner disease is reduced.
Wherein, TLWith TRValue, it is contemplated that impression of the user to temperature of outlet air of air conditioner, prevent influence user body
Test sense, TLValue range can be 9 DEG C≤TL≤10℃；The value range of the TR can be 32 DEG C≤TL≤34℃。
Fig. 3 is the sub-step schematic diagram of S3 in Fig. 1, as shown in figure 3, step S3 may include step:
S31, as the first temperature difference Δ T1 < predetermined temperature value T, control the air conditioner working frequency execute first
Modification model；
S32, as Δ T1 >=T, control the air conditioner working frequency execute the second modification model；
S33, as second temperature difference Δ T2 < T, control the air conditioner working frequency execute third modification model；
S34, as Δ T2 >=T, control the air conditioner working frequency execute the 4th modification model.
According to the first temperature difference, the size relation of second temperature difference and predetermined temperature value T, the working frequency of air conditioner is controlled
Corresponding modification model is executed, the control of different situations difference modification model is realized, more rapidly can cosily be run.Its
In, the value range of T can be [0~1 DEG C].
In refrigeration, in order to guarantee refrigerating efficiency, frequency reducing COEFFICIENT K 1 can also be increased, K1 deviates TLIt is more, frequency reducing amplitude
Bigger, being adjusted by frequency finally makes TBGreater than TL, step S31 may include:
S311, indoor environment temperature T is determinedAWith preset temperature TSThird temperature difference Δ T3=TA-TS；
S312, the maximum upper limit frequency FCH according to corresponding to Δ T3, outdoor temperature and refrigeration minimum operation limit frequency
FL determines refrigeration target operating frequency FLC:
Wherein, it is contemplated that when Δ T3 is in (- 2, -1] when, according to the length of the continuous operating time of air-conditioning, target of freezing
Running frequency FLCThere is different value standards, therefore, one second time D2 of setting is for carrying out FLCValue standard division,
For example, the value range of D2 can be 50min~60min.
Step S32 may include:
S321, indoor environment temperature T is determinedAWith preset temperature TSThird temperature difference Δ T3=TA-TS；
S322, the maximum upper limit frequency FCH according to corresponding to Δ T3, frequency reducing COEFFICIENT K 1, outdoor temperature and refrigeration are minimum
Run-limiting frequency FL determines refrigeration target operating frequency FLC':
Wherein, frequency reducing COEFFICIENT K 1 meets formula K1=TB/2TL；
It is similar with step S312, it is contemplated that when Δ T3 be in (- 2, -1] when, according to the length of the continuous operating time of air-conditioning
Short, freeze target operating frequency FLC' there is different value standards, therefore, one third time D3 of setting is for carrying out FLC' take
The division of value standard, for example, the value range of D3 can be 50min~60min.
S323, air conditioner are with FLC' it is that present operating frequency is run, until TB≥TM。
Further, TMRange be 12 DEG C≤TM≤ 14 DEG C, thereby ensure that refrigeration demand and running comfort.
Can also include S234 after S323: air conditioner reaches the with the runing time that FLC ' is present operating frequency
Four time D4, the working frequency for controlling the air conditioner execute corresponding modification model.In this way, being just avoided that quick frequency reducing is brought
Fluctuations in indoor temperature it is excessive, influence comfort.Wherein the value interval of D4 can be [3min, 5min], enable in this way
Air conditioner is that working frequency maintains operation certain time with FLC ', reaches stable state, after this, then the work to air conditioner
Frequency is modified, and prevents the sudden change of air conditioner its running frequency in also non-stable operation, ensure that air conditioner just
Often operation.
Step S33 may include:
S331, preset temperature T is determinedSWith indoor environment temperature TAThe 4th temperature difference Δ T4=TS-TA；
S332, the maximum upper limit frequency FCH according to corresponding to Δ T4, outdoor temperature and heating minimum operation limit frequency
FH determines heating target operating frequency FHC:
In heating, in order to guarantee heating efficiency, raising frequency COEFFICIENT K 2 can also be increased, K2 deviates TRIt is more, raising frequency amplitude
Bigger, being adjusted by frequency finally makes TBGreater than TR, step S34 may include:
S341, preset temperature T is determinedSWith indoor environment temperature TAThe 4th temperature difference Δ T4=TS-TA；
S342, the maximum upper limit frequency FCH according to corresponding to Δ T4, raising frequency COEFFICIENT K 2, outdoor temperature and heating are minimum
Run-limiting frequency FH determines heating target operating frequency FHC':
Wherein, K2=TR/2TB；
S343, air conditioner are with FHC' it is that present operating frequency is run, until TB≥TN。
Further, TNRange be 36 DEG C≤TN≤38℃。TNSelection ensure that refrigeration demand and running comfort.
After step S343, when can also include the operation of step S344, air conditioner with FHC ' for present operating frequency
Between reach the 5th time D5, the working frequency for controlling the air conditioner executes corresponding modification model.In this way, being just avoided that quickly
Raising frequency bring fluctuations in indoor temperature is excessive, influences comfort.Wherein, the value interval of D5 can be [3min, 5min].
The embodiment of the invention also provides a kind of air conditioners, comprising: memory, for storing executable instruction；Processor,
For executing the control method for frequency of air conditioner above-mentioned according to the executable instruction in the memory.Due to the air-conditioning
Possessed advantage is identical compared with the existing technology with the control method for frequency of above-mentioned air conditioner for device, and details are not described herein.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (11)
1. a kind of control method for frequency of air conditioner characterized by comprising
According to the operating status of air conditioner, the corresponding temperature restraint constant of the operating status and air outlet temperature, institute is controlled
The working frequency for stating air conditioner executes corresponding modification model.
2. the control method for frequency of air conditioner according to claim 1, which is characterized in that according to the operation shape of air conditioner
The corresponding temperature restraint constant of state, the operating status and air outlet temperature, the working frequency for controlling the air conditioner execute
Corresponding modification model, comprising:
Judge the operating status of the air conditioner；
After the runing time of the compressor of the air conditioner reaches first time D1, determine the temperature restraint constant with it is described
The temperature difference of air outlet temperature；
According to the temperature difference, the working frequency for controlling the air conditioner executes corresponding modification model.
3. the control method for frequency of air conditioner according to claim 2, which is characterized in that the operating status includes heating
State and refrigerating state, the temperature restraint constant include that heating leaving air temp constrains constant TLIt is normal with refrigeration leaving air temp constraint
Number TR, the temperature difference includes that the first temperature difference and second temperature are poor,
After the runing time of the compressor of the air conditioner reaches first time D1, determine the temperature restraint constant with it is described
The temperature difference of air outlet temperature, comprising:
When the operating status is refrigerating state, the refrigeration leaving air temp constraint constant T is determinedRWith the air outlet temperature
TBThe first temperature difference Δ T1=TL-TB；
When the operating status is heating state, the heating leaving air temp constraint constant T is determinedRWith the air outlet temperature
TBSecond temperature difference Δ T2=TB-TR。
4. the control method for frequency of air conditioner according to claim 3, which is characterized in that according to the temperature difference, control
The working frequency of the air conditioner executes corresponding modification model, comprising:
As the first temperature difference Δ T1 < predetermined temperature value T, the working frequency for controlling the air conditioner executes the first modification model；
As Δ T1 >=T, the working frequency for controlling the air conditioner executes the second modification model；
As second temperature difference Δ T2 < T, the working frequency for controlling the air conditioner executes third modification model；
As Δ T2 >=T, the working frequency for controlling the air conditioner executes the 4th modification model.
5. the control method for frequency of air conditioner according to claim 1, which is characterized in that control the work of the air conditioner
Frequency executes the first modification model, comprising:
Determine indoor environment temperature TAWith preset temperature TSThird temperature difference Δ T3=TA-TS；
According to maximum upper limit frequency FCH corresponding to Δ T3, outdoor temperature and refrigeration minimum operation limit frequency FL, system is determined
Cold target operating frequency FLC:
6. the control method for frequency of air conditioner according to claim 1, which is characterized in that control the work of the air conditioner
Frequency executes the second modification model, comprising:
Determine indoor environment temperature TAWith preset temperature TSThird temperature difference Δ T3=TA-TS；
According to maximum upper limit frequency FCH corresponding to Δ T3, frequency reducing COEFFICIENT K 1, outdoor temperature and refrigeration minimum operation limitation frequency
Rate FL determines refrigeration target operating frequency FLC':
Wherein, frequency reducing COEFFICIENT K 1 meets formula K1=TB/2TL；
Air conditioner is with FLC' it is that present operating frequency is run, until TB≥TM。
7. the control method for frequency of air conditioner according to claim 6, which is characterized in that control the work of the air conditioner
After frequency executes the second modification model, air conditioner is further comprised the steps of: with FLC' reach for the runing time of present operating frequency
4th time D4, the working frequency for controlling the air conditioner execute corresponding modification model.
8. the control method for frequency of air conditioner according to claim 1, which is characterized in that control the work of the air conditioner
Frequency executes third modification model, comprising:
Determine preset temperature TSWith the 4th temperature difference Δ T4=T of indoor environment temperature TAS-TA；According to Δ T4, outdoor temperature institute
Corresponding maximum upper limit frequency FCH and heating minimum operation limit frequency FH, determines heating target operating frequency FHC:
9. the control method for frequency of air conditioner according to claim 1, which is characterized in that control the work of the air conditioner
Frequency executes the 4th modification model, comprising:
Determine preset temperature TSWith indoor environment temperature TAThe 4th temperature difference Δ T4=TS-TA；According to Δ T4, raising frequency COEFFICIENT K 2,
Maximum upper limit frequency FCH corresponding to outdoor temperature and heating minimum operation limit frequency FH determines heating object run frequency
Rate FHC':
Wherein, K2=TR/2TB；
Air conditioner is with FHC' it is that present operating frequency is run, until TB≥TN。
10. the control method for frequency of air conditioner according to claim 9, which is characterized in that control the work of the air conditioner
After working frequency executes the 4th modification model, air conditioner is further comprised the steps of: with FHC' reached for the runing time of present operating frequency
To the 5th time D5, the working frequency for controlling the air conditioner executes corresponding modification model.
11. a kind of air conditioner characterized by comprising
Memory, for storing executable instruction；
Processor, for executing the sky as described in any in claims 1 to 10 according to the executable instruction in the memory
Adjust the control method for frequency of device.
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| CN113531861A (en) * | 2021-07-22 | 2021-10-22 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
| CN114811836A (en) * | 2022-05-31 | 2022-07-29 | 北京小米移动软件有限公司 | Control method and control device for air conditioning equipment and air conditioning equipment |
| CN114811836B (en) * | 2022-05-31 | 2024-05-14 | 北京小米移动软件有限公司 | Control method and control device of air conditioning equipment and air conditioning equipment |
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