CN106642581A - Air conditioner control method and system - Google Patents
Air conditioner control method and system Download PDFInfo
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- CN106642581A CN106642581A CN201611223834.4A CN201611223834A CN106642581A CN 106642581 A CN106642581 A CN 106642581A CN 201611223834 A CN201611223834 A CN 201611223834A CN 106642581 A CN106642581 A CN 106642581A
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- air
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- conditioner
- temperature
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001704 evaporation Methods 0.000 claims abstract description 164
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000013507 mapping Methods 0.000 claims description 24
- 230000000052 comparative effect Effects 0.000 claims description 14
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 abstract description 14
- 239000003507 refrigerant Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
Abstract
The invention discloses an air conditioner control method. An air conditioner comprises an indoor unit and an outdoor unit. The method includes the steps that when it is detected that a detection instruction for detecting the evaporation temperature of the indoor unit, a first evaporation temperature of the indoor unit is detected, and a second evaporation temperature of the indoor unit is detected after a first preset time; evaporation temperature difference between the first evaporation temperature and the second evaporation temperature is calculated; according to the evaporation temperature difference, the target operation frequency of the outdoor unit is determined; the air conditioner is controlled to operate according to the target operation frequency. The invention further discloses an air conditioner control system. When a throttling device of the air conditioner is a capillary tube, the target operation frequency of the outdoor unit is controlled according to the evaporation temperature difference of the indoor unit, refrigerant air flow sound appearing during starting of the air conditioner is effectively lowered, noise generated during operation of the air conditioner is lowered, and comfort is improved when a user uses the air conditioner.
Description
Technical field
The present invention relates to air-conditioner technical field, more particularly to a kind of air-conditioner control method and system.
Background technology
In air-conditioner, throttling arrangement is generally provided between heat exchanger and outdoor heat exchanger indoors, throttling arrangement is pressed
Can be divided into electric expansion valve throttling, capillary tube and short-tube restrictor according to control mode.
At present, compressor of the air-conditioner in initial start stage, off-premises station can rise altofrequency fortune according to target operating frequency
OK.After target operating frequency is reached, air-conditioner just can carry out corresponding frequency modulation control according to the delivery temperature of compressor.Such as
It is too high that fruit target operating frequency is arranged, and air-conditioner coolant stream has certain resistance, and coolant stream enters the amount meeting of vaporizer
It is unable to catch up with the inspiration capacity of compressor, is easily caused in indoor heat exchanger and produces cavity, and then produce coolant air-flow sound, affects user
Use；If it is too low that target operating frequency is arranged, the heat transfer rate that can cause air-conditioner slows down, and then affects user's
Comfort level is required, therefore the control in air-conditioner open stage is clearly present deficiency.
In the prior art, the first fortune when air-conditioner starts, it may be determined that the target operating frequency of compressor and current
Line frequency, according to predeterminated frequency and the corresponding relation of electric expansion valve, determines the corresponding opening value of the first running frequency, by electronics
The aperture of expansion valve is adjusted to the opening value for determining.This mode can avoid excessive in compressor start initial stage expansion valve events
Phenomenon, and the coolant air-flow sound of initial start stage is reduced, but this mode is primarily directed to be throttled using electric expansion valve
Air-conditioner, and for blood capillary throttling air-conditioner do not work.
The content of the invention
Present invention is primarily targeted at providing a kind of air-conditioner control method and system, it is intended to which it is easy in air-conditioner to solve
Produce the technical problem of coolant air-flow sound.
For achieving the above object, the present invention provides a kind of air-conditioner control method, and the air-conditioner includes indoor set and room
Outer machine, the air-conditioner control method includes step：
When the detection instruction for detecting the indoor set evaporating temperature is detected, the first evaporation temperature of the indoor set is detected
Degree, and the second evaporating temperature of the indoor set is being detected after the first Preset Time；
Calculate evaporating temperature between first evaporating temperature and second evaporating temperature poor；
The target operating frequency of the off-premises station is determined according to evaporating temperature difference；
The air-conditioner operation is controlled according to the target operating frequency.
Preferably, it is described when the detection instruction for detecting the indoor set evaporating temperature is detected, detect the indoor set
The first evaporating temperature, and before the step of the second evaporating temperature of the indoor set is detected after the first Preset Time,
Also include：
The run time of the air-conditioner is obtained, determines the run time whether less than the second Preset Time；
If the run time is less than second Preset Time, it is determined that the air-conditioner is in startup stage；
It is described to include the step of determine the target operating frequency of the off-premises station according to evaporating temperature difference：
It is poor according to the evaporating temperature, determine corresponding first running frequency by default mapping relations, and will be described
First running frequency as the off-premises station target operating frequency, wherein, the target operating frequency with it is described evaporation temperature
Spend the increase of difference and increase.
Preferably, the run time for obtaining the air-conditioner, determines whether the run time is default less than second
After the step of time, also include：
If the run time is more than or equal to second Preset Time, it is determined that the air-conditioner is in stablizes rank
Section；
It is described to include the step of determine the target operating frequency of the off-premises station according to evaporating temperature difference：
It is poor according to the evaporating temperature, determine the first running frequency of the off-premises station by default mapping relations；
Obtain indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
Calculate the first temperature difference of the indoor temperature and the outdoor temperature, and the running temperature and the interior
The second temperature of temperature is poor；
Second running frequency of the off-premises station is determined according to first temperature difference, and it is poor according to the second temperature
Determine the 3rd running frequency of the off-premises station；
The target operating frequency is determined according to first running frequency, the second running frequency and the 3rd running frequency.
Preferably, it is described that the mesh is determined according to first running frequency, the second running frequency and the 3rd running frequency
The step of mark running frequency, includes：
Comparison first running frequency, the size between the second running frequency and the 3rd running frequency, obtain comparing knot
Really；
Determined in first running frequency, the second running frequency and the 3rd running frequency most according to the comparative result
Big value, using the maximum as the target operating frequency.
Preferably, it is described that the mesh is determined according to first running frequency, the second running frequency and the 3rd running frequency
After the step of mark running frequency, also include：
Obtain the current operation frequency of the air-conditioner；
The difference between the current operation frequency and the target operating frequency is calculated, according to the difference determines
The adjustment speed of target operating frequency；
It is described the step of air-conditioner runs is controlled according to the target operating frequency to include：
The air-conditioner operation according to the target operating frequency and the adjustment rate controlled.
Additionally, for achieving the above object, the present invention also provides a kind of air conditioner control system, and the air-conditioner includes interior
Machine and off-premises station, the air conditioner control system includes：
Detection module, for when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the interior
First evaporating temperature of machine, and the second evaporating temperature of the indoor set is being detected after the first Preset Time；
Computing module, it is poor for calculating evaporating temperature between first evaporating temperature and second evaporating temperature；
Determining module, for determining the target operating frequency of the off-premises station according to evaporating temperature difference；
Control module, for controlling the air-conditioner operation according to the target operating frequency.
Preferably, the air conditioner control system also includes：
Acquisition module, for obtaining the run time of the air-conditioner；
Whether the determining module is additionally operable to determine the run time less than the second Preset Time；If the run time
Less than second Preset Time, it is determined that the air-conditioner is in startup stage；It is poor according to the evaporating temperature, by default
Mapping relations determine corresponding first running frequency, and using first running frequency as the off-premises station object run
Frequency, wherein, the target operating frequency increases with the increase of evaporating temperature difference.
Preferably, if the determining module is additionally operable to the run time more than or equal to second Preset Time,
Then determine that the air-conditioner is in the stabilization sub stage；
The determining module includes：
Determining unit, for poor according to the evaporating temperature, by default mapping relations the of the off-premises station is determined
One running frequency；
Acquiring unit, for obtaining indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
Computing unit, for calculating the first temperature difference of the indoor temperature and the outdoor temperature, and the operation
The second temperature of temperature and the indoor temperature is poor；
The determining unit is additionally operable to determine the second running frequency of the off-premises station according to first temperature difference, and
3rd running frequency of the off-premises station is determined according to second temperature difference；According to first running frequency, the second operation
Frequency and the 3rd running frequency determine the target operating frequency.
Preferably, the determining unit also includes：
Comparing subunit, for relatively more described first running frequency, between the second running frequency and the 3rd running frequency
Size, obtains comparative result；
Determination subelement, for determining first running frequency, the second running frequency and according to the comparative result
Maximum in three running frequencies, using the maximum as the target operating frequency.
Preferably, the acquisition module is additionally operable to obtain the current operation frequency of the air-conditioner；
The computing module is additionally operable to calculate the difference between the current operation frequency and the target operating frequency；
The determining module is additionally operable to determine the adjustment speed of the target operating frequency according to the difference；
The control module is additionally operable to the air-conditioner fortune according to the target operating frequency and the adjustment rate controlled
OK.
The present invention is by when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the indoor set
First evaporating temperature, and the second evaporating temperature of the indoor set is being detected after the first Preset Time, calculate described first
Evaporating temperature is poor between evaporating temperature and second evaporating temperature, and according to the evaporating temperature difference mesh of the off-premises station is determined
Mark running frequency, according to the target operating frequency air-conditioner operation is controlled.Realize when the throttling arrangement of air-conditioner is
During capillary tube, according to the target operating frequency of the evaporating temperature difference control off-premises station of indoor set, significantly reduce in air-conditioner
The coolant air-flow sound occurred during startup, reduce air-conditioner run when noise, improve user use air-conditioner when it is comfortable
Property.
Description of the drawings
Fig. 1 is the schematic flow sheet of air-conditioner control method first embodiment of the present invention；
Fig. 2 is the schematic flow sheet of air-conditioner control method second embodiment of the present invention；
Fig. 3 is the schematic flow sheet of air-conditioner control method 3rd embodiment of the present invention；
Fig. 4 is the high-level schematic functional block diagram of air conditioner control system first embodiment of the present invention；
Fig. 5 is the high-level schematic functional block diagram of air conditioner control system second embodiment of the present invention；
Fig. 6 is a kind of high-level schematic functional block diagram of determining module in the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The present invention provides a kind of air-conditioner control method.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet of air-conditioner control method first embodiment of the present invention.
In the present embodiment, the air-conditioner control method includes：
Step S10, when detecting the detection that detects the indoor set evaporating temperature and instructing, detects the of the indoor set
One evaporating temperature, and the second evaporating temperature of the indoor set is being detected after the first Preset Time；
In the present embodiment, air-conditioner includes indoor set and off-premises station, and the indoor set includes vaporizer, blower fan, described
The control assembly of air-conditioner, the housing of the air-conditioner and evaporating temperature detection components etc.；The off-premises station include compressor,
Heat exchanger, throttle capillary tube and indoor and outdoor temperature detection components etc..It is understood that the temperature sensing assembly can be temperature
Degree sensor.
After the air-conditioner receives starting-up signal, the indoor set and off-premises station start, i.e., described air-conditioner starts.
After the air-conditioner starts, and when detecting the detection instruction for detecting the indoor set evaporating temperature, the control of the air-conditioner
Component processed detects the evaporating temperature of the indoor set by the evaporating temperature detection components, and is designated as the first evaporating temperature.
After the first Preset Time, the evaporating temperature of the indoor set is detected again, be designated as the second evaporating temperature.Need explanation
It is that first Preset Time can be arranged according to specific needs, in the present embodiment, may be configured as 10 seconds, or 15 seconds etc..
Step S20, calculates evaporating temperature between first evaporating temperature and second evaporating temperature poor；
Step S30, according to the evaporating temperature difference target operating frequency of the off-premises station is determined；
Step S40, according to the target operating frequency air-conditioner operation is controlled.
When first evaporating temperature and second evaporating temperature is obtained, first evaporating temperature and described is calculated
Evaporating temperature between second evaporating temperature is poor, and determines the object run frequency of the off-premises station according to evaporating temperature difference
Rate.When it is determined that after the target operating frequency, according to the target operating frequency air-conditioner operation is controlled, that is, controlling described
Air-conditioner runs under the target operating frequency.It should be noted that the target operating frequency of the off-premises station is the room
The target operating frequency of compressor in outer machine.Different evaporating temperature differences correspond to different target operating frequencies, the target
Maximum frequency of operation of the running frequency less than or equal to the compressor.
Such as when evaporating temperature difference Δ Ta is less than 1 DEG C, the target operating frequency that correspond to is low frequency band frequency, such as
15Hz (hertz)；When evaporating temperature difference Δ Ta is more than or equal to 1 DEG C, during less than 2 DEG C, the target operating frequency that correspond to
For intermediate frequency band frequency, such as 30Hz；When evaporating temperature difference Δ Ta is more than or equal to 2 DEG C, the object run frequency that correspond to
Rate is high-band frequency, such as 45Hz.It should be noted that the target operating frequency is with the increase of evaporating temperature difference
Increase.
The present embodiment is by when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the indoor set
The first evaporating temperature, and detecting the second evaporating temperature of the indoor set after the first Preset Time, calculate described the
Evaporating temperature is poor between one evaporating temperature and second evaporating temperature, and according to the evaporating temperature difference off-premises station is determined
Target operating frequency, according to the target operating frequency air-conditioner operation is controlled.Realize the throttling arrangement when air-conditioner
For capillary tube when, according to the target operating frequency of the evaporating temperature of indoor set difference control off-premises station, significantly reduce in air-conditioning
The coolant air-flow sound that device occurs when starting, reduces noise when air-conditioner runs, and improves relaxing when user uses air-conditioner
Adaptive.
The present invention further proposes air-conditioner control method second embodiment.
The air-conditioner control method second embodiment is with the difference of the air-conditioner control method first embodiment,
With reference to Fig. 2, the air-conditioner control method also includes：
Step S50, obtains the run time of the air-conditioner, when determining whether the run time is default less than second
Between；
Step S60, if the run time is less than second Preset Time, it is determined that the air-conditioner is in startup rank
Section；
After the air-conditioner starts, the run time of the air-conditioner is obtained.Specifically, can be by the air-conditioner
Timer, or the component for possessing clocking capability in the air-conditioner obtains the run time of the air-conditioner.When obtaining
After stating the run time of air-conditioner, determine the run time whether less than the second Preset Time.If the run time is less than
Second Preset Time, it is determined that the air-conditioner is in startup stage.It should be noted that second Preset Time can
Arranged according to the size of the air-conditioner system, such as be may be configured as 3 minutes, 4 minutes, or 5 minutes etc..
Step S30 includes：
Step S31, it is poor according to the evaporating temperature, determine corresponding first running frequency by default mapping relations,
And using first running frequency as the off-premises station target operating frequency, wherein, the target operating frequency is with institute
State the increase of evaporating temperature difference and increase.
It is poor according to the evaporating temperature when it is determined that the air-conditioner is in startup stage, by default mapping relations
Determine corresponding first running frequency, and using first running frequency as the off-premises station target operating frequency.Wherein,
The target operating frequency increases with the increase of evaporating temperature difference.The mapping relations be the evaporating temperature difference and
Corresponding relation between the target operating frequency, after it is determined that the evaporating temperature is poor, according to the mapping relations, you can
It is determined that corresponding target operating frequency poor with the evaporating temperature.
In the present embodiment, the target operating frequency is relevant with the maximum frequency of operation of the compressor.Such as when described
When the maximum frequency of operation of compressor is Fmax, the evaporating temperature is poor and mapping relations of between the target operating frequency can
It is set to：When evaporating temperature difference Δ Ta is less than 1 DEG C, the target operating frequency is 0.5Fmax；When the evaporation temperature
Degree difference Δ Ta is that, more than or equal to 1 DEG C, during less than 2 DEG C, the target operating frequency is 0.6Fmax；When the evaporating temperature
Difference Δ Ta is that, more than or equal to 2 DEG C, during less than 3 DEG C, the target operating frequency is 0.7Fmax, and the rest may be inferred, until described
Target operating frequency is equal to the maximum frequency of operation.It should be noted that the evaporating temperature illustrated in the present embodiment
Mapping relations between the poor and target operating frequency are intended merely to help and understand the present embodiment, in other embodiments, institute
State that evaporating temperature is poor and mapping relations of between the target operating frequency may be configured as other corresponding relations.
The present embodiment is by the way that in air-conditioner startup stage, the evaporating temperature calculated in air conditioner room unit is poor, according to described
Evaporating temperature difference draws the change of cold medium flux, is adjusted the running frequency of compressor in air-conditioner outdoor unit, to realize sky
The smooth starting of device is adjusted, the coolant air-flow sound of air-conditioner startup stage is reduced, to reduce the noise of air-conditioner startup stage.
The present invention further proposes air-conditioner control method 3rd embodiment.
The air-conditioner control method 3rd embodiment is with the difference of the air-conditioner control method second embodiment,
With reference to Fig. 3, the air-conditioner control method also includes：
Step S70, if the run time is more than or equal to second Preset Time, it is determined that at the air-conditioner
In the stabilization sub stage；
When the run time of air-conditioner is more than or equal to second Preset Time, determine the air-conditioner in steady
Determine the stage.
Step S30 includes：
Step S32, it is poor according to the evaporating temperature, determine the first operation of the off-premises station by default mapping relations
Frequency；
Step S33, obtains indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
It is poor according to the evaporating temperature when the air-conditioner is in the stabilization sub stage, determined by default mapping relations
First running frequency of the off-premises station.Air-conditioner place ring is obtained by the indoor and outdoor temperature detection components in off-premises station
The indoor temperature and outdoor temperature in border, and obtain the current running temperature of the air-conditioner.Specifically, the indoor and outdoor temperature inspection
Surveying component can be and the indoor temperature, and the corresponding temperature sensor of the outdoor temperature, and the running temperature is and institute
State the design temperature in the corresponding remote control of air-conditioner.
Step S34, calculates the first temperature difference of the indoor temperature and the outdoor temperature, and the running temperature and
The second temperature of the indoor temperature is poor；
Step S35, according to first temperature difference the second running frequency of the off-premises station is determined, and according to described
Two temperature differences determine the 3rd running frequency of the off-premises station；
Step S36, according to first running frequency, the second running frequency and the 3rd running frequency the target fortune is determined
Line frequency.
After the outdoor temperature, indoor temperature and running temperature is obtained, the indoor temperature and the outdoor temp are calculated
Temperature difference between degree, is designated as the first temperature difference；And the temperature difference between the running temperature and the indoor temperature is calculated, remember
It is poor for second temperature.It is true according to first temperature difference when first temperature difference and the second temperature after the recovery is calculated
Second running frequency of the fixed off-premises station, and the 3rd operation frequency of the off-premises station is determined according to second temperature difference
Rate.After first running frequency, the second running frequency and three running frequencies is obtained, according to first running frequency,
Second running frequency and the 3rd running frequency determine the target operating frequency.
It should be noted that first temperature difference is in different scopes, the second different running frequencies are correspond to, together
Reason, the second temperature difference correspond to the 3rd different running frequencies in different scopes.Second running frequency and institute
State the corresponding relation between the corresponding relation between the first temperature difference, and the 3rd running frequency and second temperature difference
Arrange as the case may be.
Further, step S36 includes：
Step a, comparison first running frequency, the size between the second running frequency and the 3rd running frequency, obtains
Comparative result；
Step b, according to the comparative result first running frequency, the second running frequency and the 3rd running frequency are determined
In maximum, using the maximum as the target operating frequency.
Further, it is relatively more described after first running frequency, the second running frequency and three running frequencies is obtained
Size between first running frequency, the second running frequency and the 3rd running frequency, obtains comparative result, and according to the comparison
As a result determine the maximum in first running frequency, the second running frequency and the 3rd running frequency, the maximum is made
For the target operating frequency of the off-premises station.
Further, after step S36, also include：
Step c, obtains the current operation frequency of the air-conditioner；
Step d, calculates the difference between the current operation frequency and the target operating frequency, true according to the difference
The adjustment speed of the fixed target operating frequency.
Step S40 includes：
Step e, the air-conditioner operation according to the target operating frequency and the adjustment rate controlled.
Further, the current operation frequency of the air-conditioner is obtained, the current operation frequency and the target is calculated
Difference between running frequency, according to the difference adjustment speed of the target operating frequency is determined.When it is determined that the target
After the adjustment speed of running frequency, the air-conditioner operation according to the target operating frequency and the adjustment rate controlled, i.e.,
The air-conditioner is controlled under the adjustment speed, is run according to the target operating frequency.
In the present embodiment, there is corresponding relation between the difference and the adjustment frequency, the adjustment frequency with
The increase of the difference and increase.Such as when the difference is less than 10Hz, corresponding adjustment speed is 0.5Hz/S；When described
Difference is more than or equal to 10Hz, and during less than 30Hz, corresponding adjustment frequency is 1Hz/S；When the difference is more than or equal to
During 30Hz, corresponding adjustment frequency is 2Hz/S.
The present embodiment is made by the selection maximum in the first running frequency, the second running frequency and the 3rd running frequency
For the target operating frequency of compressor, the effect of quick heat exchange has been reached.Further, according to target operating frequency and air-conditioner
Difference between current operation frequency determines the adjustment speed of target operating frequency, and when difference is bigger, adjustment speed is bigger, with
Realization is precisely controlled the running temperature of air-conditioner, and reaching makes the less effect of fluctuations in indoor temperature of air-conditioner place environment.
The present invention further provides a kind of air conditioner control system.
With reference to Fig. 4, Fig. 4 is the high-level schematic functional block diagram of air conditioner control system first embodiment of the present invention.
It is emphasized that it will be apparent to those skilled in the art that module map shown in Fig. 4 is only a preferred embodiment
Exemplary plot, the module of air conditioner control system of the those skilled in the art shown in Fig. 4 can easily carry out new module
Supplement；The title of each module is self-defined title, is only used for aiding in each program function for understanding the air conditioner control system
Module, is not used in restriction technical scheme, and the core of technical solution of the present invention is that the module of each self-defined title is wanted
The function of reaching.
In the present embodiment, the air conditioner control system includes：
Detection module 10, for when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the room
First evaporating temperature of interior machine, and the second evaporating temperature of the indoor set is being detected after the first Preset Time；
In the present embodiment, air-conditioner includes indoor set and off-premises station, and the indoor set includes vaporizer, blower fan, described
The control assembly of air-conditioner, the housing of the air-conditioner and evaporating temperature detection components etc.；The off-premises station include compressor,
Heat exchanger, throttle capillary tube and indoor and outdoor temperature detection components etc..It is understood that the temperature sensing assembly can be temperature
Degree sensor.
After the air-conditioner receives starting-up signal, the indoor set and off-premises station start, i.e., described air-conditioner starts.
After the air-conditioner starts, and when detecting the detection instruction for detecting the indoor set evaporating temperature, the control of detection module 10
Component processed detects the evaporating temperature of the indoor set by the evaporating temperature detection components, and is designated as the first evaporating temperature.
After the first Preset Time, the detection module 10 detects again the evaporating temperature of the indoor set, is designated as the second evaporation temperature
Degree.It should be noted that first Preset Time can be arranged according to specific needs, in the present embodiment, 10 are may be configured as
Second, or 15 seconds etc..
Computing module 20, it is poor for calculating evaporating temperature between first evaporating temperature and second evaporating temperature；
Determining module 30, for determining the target operating frequency of the off-premises station according to evaporating temperature difference；
Control module 40, for controlling the air-conditioner operation according to the target operating frequency.
When first evaporating temperature and second evaporating temperature is obtained, computing module 20 calculates first evaporation
Evaporating temperature between temperature and second evaporating temperature is poor, and determining module 30 determines the room according to evaporating temperature difference
The target operating frequency of outer machine.After the determining module 30 determines the target operating frequency, control module 40 is according to described
Target operating frequency controls the air-conditioner operation, that is, control the air-conditioner and run under the target operating frequency.Need
Illustrate, the target operating frequency of the off-premises station is the target operating frequency of compressor in the off-premises station.Different steamings
Send out temperature difference and correspond to different target operating frequencies, maximum of the target operating frequency less than or equal to the compressor
Running frequency.
Such as when evaporating temperature difference Δ Ta is less than 1 DEG C, the target operating frequency that correspond to is low frequency band frequency, such as
15Hz (hertz)；When evaporating temperature difference Δ Ta is more than or equal to 1 DEG C, during less than 2 DEG C, the target operating frequency that correspond to
For intermediate frequency band frequency, such as 30Hz；When evaporating temperature difference Δ Ta is more than or equal to 2 DEG C, the object run frequency that correspond to
Rate is high-band frequency, such as 45Hz.It should be noted that the target operating frequency is with the increase of evaporating temperature difference
Increase.
The present embodiment is by when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the indoor set
The first evaporating temperature, and detecting the second evaporating temperature of the indoor set after the first Preset Time, calculate described the
Evaporating temperature is poor between one evaporating temperature and second evaporating temperature, and according to the evaporating temperature difference off-premises station is determined
Target operating frequency, according to the target operating frequency air-conditioner operation is controlled.Realize the throttling arrangement when air-conditioner
For capillary tube when, according to the target operating frequency of the evaporating temperature of indoor set difference control off-premises station, significantly reduce in air-conditioning
The coolant air-flow sound that device occurs when starting, reduces noise when air-conditioner runs, and improves relaxing when user uses air-conditioner
Adaptive.
The present invention further provides air conditioner control system second embodiment.
The air conditioner control system second embodiment is with the difference of the air conditioner control system first embodiment,
With reference to Fig. 5, the air conditioner control system also includes：
Acquisition module 50, for obtaining the run time of the air-conditioner；
Whether the determining module 30 is additionally operable to determine the run time less than the second Preset Time；If during the operation
Between be less than second Preset Time, it is determined that the air-conditioner be in startup stage；
After the air-conditioner starts, acquisition module 50 obtains the run time of the air-conditioner.Specifically, the acquisition
Module 50 can pass through the timer in the air-conditioner, or the component for possessing clocking capability in the air-conditioner obtains the sky
Adjust the run time of device.After the run time of the air-conditioner is obtained, the determining module 30 determines that the run time is
It is no to be less than the second Preset Time.If the run time is less than second Preset Time, the determining module 30 then determines institute
Air-conditioner is stated in startup stage.It should be noted that second Preset Time can be according to the size of the air-conditioner system
And arrange, such as may be configured as 3 minutes, 4 minutes, or 5 minutes etc..
It is poor according to the evaporating temperature that the determining module 30 is additionally operable to, and by default mapping relations corresponding is determined
One running frequency, and using first running frequency as the off-premises station target operating frequency, wherein, the object run
Frequency increases with the increase of evaporating temperature difference.
When it is determined that the air-conditioner is in startup stage, the determining module 30 is poor according to the evaporating temperature, passes through
Default mapping relations determine corresponding first running frequency, and using first running frequency as the off-premises station target
Running frequency.Wherein, the target operating frequency increases with the increase of evaporating temperature difference.The mapping relations are institute
The corresponding relation between the poor and described target operating frequency of evaporating temperature is stated, after it is determined that the evaporating temperature is poor, according to institute
State mapping relations, you can it is determined that corresponding target operating frequency poor with the evaporating temperature.
In the present embodiment, the target operating frequency is relevant with the maximum frequency of operation of the compressor.Such as when described
When the maximum frequency of operation of compressor is Fmax, the evaporating temperature is poor and mapping relations of between the target operating frequency can
It is set to：When evaporating temperature difference Δ Ta is less than 1 DEG C, the target operating frequency is 0.5Fmax；When the evaporation temperature
Degree difference Δ Ta is that, more than or equal to 1 DEG C, during less than 2 DEG C, the target operating frequency is 0.6Fmax；When the evaporating temperature
Difference Δ Ta is that, more than or equal to 2 DEG C, during less than 3 DEG C, the target operating frequency is 0.7Fmax, and the rest may be inferred, until described
Target operating frequency is equal to the maximum frequency of operation.It should be noted that the evaporating temperature illustrated in the present embodiment
Mapping relations between the poor and target operating frequency are intended merely to help and understand the present embodiment, in other embodiments, institute
State that evaporating temperature is poor and mapping relations of between the target operating frequency may be configured as other corresponding relations.
The present embodiment is by the way that in air-conditioner startup stage, the evaporating temperature calculated in air conditioner room unit is poor, according to described
Evaporating temperature difference draws the change of cold medium flux, is adjusted the running frequency of compressor in air-conditioner outdoor unit, to realize sky
The smooth starting of device is adjusted, the coolant air-flow sound of air-conditioner startup stage is reduced, to reduce the noise of air-conditioner startup stage.
The present invention further provides air conditioner control system 3rd embodiment.
The air conditioner control system 3rd embodiment is with the difference of the air conditioner control system second embodiment,
If the determining module 30 is additionally operable to the run time more than or equal to second Preset Time, it is determined that the air-conditioning
Device is in the stabilization sub stage；
When the run time of air-conditioner is more than or equal to second Preset Time, the determining module 30 determines institute
Air-conditioner is stated in the stabilization sub stage.
With reference to Fig. 6, the determining module 30 includes：
Determining unit 31, for poor according to the evaporating temperature, by default mapping relations the off-premises station is determined
First running frequency；
Acquiring unit 32, for obtaining indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
When the air-conditioner is in the stabilization sub stage, determining unit 31 is poor according to the evaporating temperature, is reflected by default
The relation of penetrating determines the first running frequency of the off-premises station.Acquiring unit 32 is by the indoor and outdoor temperature detection components in off-premises station
The indoor temperature and outdoor temperature of air-conditioner place environment are obtained, and obtains the current running temperature of the air-conditioner.Tool
Body ground, the indoor and outdoor temperature detection components can be and the indoor temperature, and the corresponding temperature sensing of the outdoor temperature
Device, the running temperature is the design temperature in remote control corresponding with the air-conditioner.
Computing unit 33, for calculating the first temperature difference of the indoor temperature and the outdoor temperature, and the fortune
The second temperature of trip temperature and the indoor temperature is poor；
The determining unit 31 is additionally operable to determine the second running frequency of the off-premises station according to first temperature difference, with
And the 3rd running frequency of the off-premises station is determined according to second temperature difference；According to first running frequency, the second fortune
Line frequency and the 3rd running frequency determine the target operating frequency.
After the outdoor temperature, indoor temperature and running temperature is obtained, computing unit 33 calculate the indoor temperature and
Temperature difference between the outdoor temperature, is designated as the first temperature difference；And calculate between the running temperature and the indoor temperature
Temperature difference, be designated as second temperature poor.When being calculated first temperature difference and the second temperature after the recovery, the determination list
Unit 31 determines the second running frequency of the off-premises station according to first temperature difference, and is determined according to second temperature difference
3rd running frequency of the off-premises station.After first running frequency, the second running frequency and three running frequencies is obtained,
The determining unit 31 determines the object run according to first running frequency, the second running frequency and the 3rd running frequency
Frequency.
It should be noted that first temperature difference is in different scopes, the second different running frequencies are correspond to, together
Reason, the second temperature difference correspond to the 3rd different running frequencies in different scopes.Second running frequency and institute
State the corresponding relation between the corresponding relation between the first temperature difference, and the 3rd running frequency and second temperature difference
Arrange as the case may be.
Further, the determining unit 31 also includes：
Comparing subunit, for relatively more described first running frequency, between the second running frequency and the 3rd running frequency
Size, obtains comparative result；
Determination subelement, for determining first running frequency, the second running frequency and according to the comparative result
Maximum in three running frequencies, using the maximum as the target operating frequency.
Further, after first running frequency, the second running frequency and three running frequencies is obtained, the sub- list of comparison
Unit's first running frequency, the size between the second running frequency and the 3rd running frequency, obtain comparative result, it is determined that
Subelement determines the maximum in first running frequency, the second running frequency and the 3rd running frequency according to the comparative result
Value, using the maximum as the off-premises station target operating frequency.
Further, the acquisition module 50 is additionally operable to obtain the current operation frequency of the air-conditioner；
The computing module 20 is additionally operable to calculate the difference between the current operation frequency and the target operating frequency；
The determining module 30 is additionally operable to determine the adjustment speed of the target operating frequency according to the difference；
The control module 40 is additionally operable to the air-conditioner according to the target operating frequency and the adjustment rate controlled
Operation.
Further, the acquisition module 50 obtains the current operation frequency of the air-conditioner, and the computing module 20 is counted
The difference between the current operation frequency and the target operating frequency is calculated, the determining module 30 determines according to the difference
The adjustment speed of the target operating frequency.When it is determined that the target operating frequency adjustment speed after, the control module 40
Air-conditioner operation, that is, control the air-conditioner in the tune according to the target operating frequency and the adjustment rate controlled
Under whole speed, run according to the target operating frequency.
In the present embodiment, there is corresponding relation between the difference and the adjustment frequency, the adjustment frequency with
The increase of the difference and increase.Such as when the difference is less than 10Hz, corresponding adjustment speed is 0.5Hz/S；When described
Difference is more than or equal to 10Hz, and during less than 30Hz, corresponding adjustment frequency is 1Hz/S；When the difference is more than or equal to
During 30Hz, corresponding adjustment frequency is 2Hz/S.
The present embodiment is made by the selection maximum in the first running frequency, the second running frequency and the 3rd running frequency
For the target operating frequency of compressor, the effect of quick heat exchange has been reached.Further, according to target operating frequency and air-conditioner
Difference between current operation frequency determines the adjustment speed of target operating frequency, and when difference is bigger, adjustment speed is bigger, with
Realization is precisely controlled the running temperature of air-conditioner, and reaching makes the less effect of fluctuations in indoor temperature of air-conditioner place environment.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or system including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer takes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of air-conditioner control method, the air-conditioner includes indoor set and off-premises station, it is characterised in that the air-conditioner control
Method processed includes step：
When the detection instruction for detecting the indoor set evaporating temperature is detected, the first evaporating temperature of the indoor set is detected,
And the second evaporating temperature of the indoor set is being detected after the first Preset Time；
Calculate evaporating temperature between first evaporating temperature and second evaporating temperature poor；
The target operating frequency of the off-premises station is determined according to evaporating temperature difference；
The air-conditioner operation is controlled according to the target operating frequency.
2. air-conditioner control method as claimed in claim 1, it is characterised in that described to steam when detecting the detection indoor set
When the detection for sending out temperature is instructed, the first evaporating temperature of the indoor set is detected, and institute is being detected after the first Preset Time
Before the step of stating the second evaporating temperature of indoor set, also include：
The run time of the air-conditioner is obtained, determines the run time whether less than the second Preset Time；
If the run time is less than second Preset Time, it is determined that the air-conditioner is in startup stage；
It is described to include the step of determine the target operating frequency of the off-premises station according to evaporating temperature difference：
It is poor according to the evaporating temperature, determine corresponding first running frequency by default mapping relations, and by described first
Running frequency as the off-premises station target operating frequency, wherein, the target operating frequency is poor with the evaporating temperature
Increase and increase.
3. air-conditioner control method as claimed in claim 2, it is characterised in that during the operation of the acquisition air-conditioner
Between, after determining the step of whether run time is less than the second Preset Time, also include：
If the run time is more than or equal to second Preset Time, it is determined that the air-conditioner is in the stabilization sub stage；
It is described to include the step of determine the target operating frequency of the off-premises station according to evaporating temperature difference：
It is poor according to the evaporating temperature, determine the first running frequency of the off-premises station by default mapping relations；
Obtain indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
Calculate the first temperature difference of the indoor temperature and the outdoor temperature, and the running temperature and the indoor temperature
Second temperature it is poor；
Second running frequency of the off-premises station is determined according to first temperature difference, and is determined according to second temperature difference
3rd running frequency of the off-premises station；
The target operating frequency is determined according to first running frequency, the second running frequency and the 3rd running frequency.
4. air-conditioner control method as claimed in claim 3, it is characterised in that it is described according to first running frequency,
Two running frequencies and the 3rd running frequency include the step of determining the target operating frequency：
Comparison first running frequency, the size between the second running frequency and the 3rd running frequency, obtain comparative result；
Maximum in first running frequency, the second running frequency and the 3rd running frequency is determined according to the comparative result
Value, using the maximum as the target operating frequency.
5. the air-conditioner control method as described in claim 3 or 4, it is characterised in that it is described according to first running frequency,
After the step of second running frequency and the 3rd running frequency determine the target operating frequency, also include：
Obtain the current operation frequency of the air-conditioner；
The difference between the current operation frequency and the target operating frequency is calculated, the target is determined according to the difference
The adjustment speed of running frequency；
It is described the step of air-conditioner runs is controlled according to the target operating frequency to include：
The air-conditioner operation according to the target operating frequency and the adjustment rate controlled.
6. a kind of air conditioner control system, the air-conditioner includes indoor set and off-premises station, it is characterised in that the air-conditioner control
System processed includes：
Detection module, for when the detection for detecting indoor set evaporating temperature instruction is detected, detecting the indoor set
First evaporating temperature, and the second evaporating temperature of the indoor set is being detected after the first Preset Time；
Computing module, it is poor for calculating evaporating temperature between first evaporating temperature and second evaporating temperature；
Determining module, for determining the target operating frequency of the off-premises station according to evaporating temperature difference；
Control module, for controlling the air-conditioner operation according to the target operating frequency.
7. air conditioner control system as claimed in claim 6, it is characterised in that the air conditioner control system also includes：
Acquisition module, for obtaining the run time of the air-conditioner；
Whether the determining module is additionally operable to determine the run time less than the second Preset Time；If the run time is less than
Second Preset Time, it is determined that the air-conditioner is in startup stage；It is poor according to the evaporating temperature, reflected by default
The relation of penetrating determines corresponding first running frequency, and using first running frequency as the off-premises station object run frequency
Rate, wherein, the target operating frequency increases with the increase of evaporating temperature difference.
8. air conditioner control system as claimed in claim 7, it is characterised in that if the determining module is additionally operable to the operation
Time is more than or equal to second Preset Time, it is determined that the air-conditioner is in the stabilization sub stage；
The determining module includes：
Determining unit, for poor according to the evaporating temperature, by default mapping relations the first fortune of the off-premises station is determined
Line frequency；
Acquiring unit, for obtaining indoor temperature, outdoor temperature and the running temperature of air-conditioner place environment；
Computing unit, for calculating the first temperature difference of the indoor temperature and the outdoor temperature, and the running temperature
It is poor with the second temperature of the indoor temperature；
The determining unit is additionally operable to determine the second running frequency of the off-premises station according to first temperature difference, and according to
The second temperature difference determines the 3rd running frequency of the off-premises station；According to first running frequency, the second running frequency
Determine the target operating frequency with the 3rd running frequency.
9. air conditioner control system as claimed in claim 8, it is characterised in that the determining unit also includes：
Comparing subunit, for relatively more described first running frequency, the size between the second running frequency and the 3rd running frequency,
Obtain comparative result；
Determination subelement, for determining first running frequency, the second running frequency and the 3rd fortune according to the comparative result
Maximum in line frequency, using the maximum as the target operating frequency.
10. air conditioner control system as claimed in claim 8 or 9, it is characterised in that the acquisition module is additionally operable to obtain institute
State the current operation frequency of air-conditioner；
The computing module is additionally operable to calculate the difference between the current operation frequency and the target operating frequency；
The determining module is additionally operable to determine the adjustment speed of the target operating frequency according to the difference；
The control module is additionally operable to the air-conditioner operation according to the target operating frequency and the adjustment rate controlled.
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