CN104776556B - Constant temperature dehumidification controlling method for air conditioner and device - Google Patents
Constant temperature dehumidification controlling method for air conditioner and device Download PDFInfo
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- CN104776556B CN104776556B CN201510120040.4A CN201510120040A CN104776556B CN 104776556 B CN104776556 B CN 104776556B CN 201510120040 A CN201510120040 A CN 201510120040A CN 104776556 B CN104776556 B CN 104776556B
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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
-
- 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
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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
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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
-
- 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
- F24F2110/12—Temperature of the outside air
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Abstract
The invention discloses a kind of constant temperature dehumidification controlling method for air conditioner, including:When air-conditioner enters dehumidification mode, air-conditioner refrigerating operaton is controlled, indoor fan operates in default initial wind speed, and indoors after ambient temperature-stable, records initial indoor environment temperature;Outdoor environment temperature is detected, the temperature difference of outdoor environment temperature and initial indoor environment temperature is obtained;According to the temperature difference of outdoor environment temperature and initial indoor environment temperature, the original frequency of compressor operating is determined;Current indoor environment temperature is detected every the first preset time, and obtains the change of indoor environment temperature;According to the change of indoor environment temperature, the operational factor of air-conditioner is adjusted.The invention also discloses a kind of air-conditioner constant temperature dehumidification control device, the present invention realizes the constant temperature dehumidification of air-conditioner, and improves moisture removal;Meanwhile, reduce the cost of air-conditioner.
Description
Technical field
The present invention relates to air-conditioner field, more particularly to a kind of constant temperature dehumidification controlling method for air conditioner and device.
Background technology
Air-conditioner, can by general dehumanization method when indoor/outdoor temperature-difference is larger in refrigerated dehumidification running
To realize refrigeration and dehumidification function;But when indoor/outdoor temperature-difference is smaller, indoor ring will be caused by general dehumanization method
The rapid decrease of border temperature, influence user uses the comfortableness of air-conditioning.
At present, the general constant temperature dehumidification method of air-conditioner is to increase dehumidification valve by the indoor heat exchanger in air-conditioner.
During constant temperature dehumidification, dehumidification valve is closed, and the throttling arrangement of air-conditioner is opened, and dehumidification valve plays throttling action, indoor heat exchanger one
Part is as evaporator during dehumidifying, and another part is connected with outdoor heat exchanger, now by the air-flow of indoor heat exchanger in room
In interior air channel a part be heated, another part be cooled, heated air-flow be cooled air-flow after mixing from sky
The indoor air outlet blowout of device is adjusted, so as to realize constant temperature dehumidification.The dehumanization method is due to needing heat exchanger increase indoors one
Dehumidification valve, indoor heat exchanger stream is also more complicated, and cost increase is more.
The content of the invention
It is a primary object of the present invention to provide a kind of constant temperature dehumidification controlling method for air conditioner and device, it is intended to ensure constant temperature
Dehumidifying, and the cost of reduction air-conditioner constant temperature dehumidification.
To achieve the above object, the invention provides a kind of constant temperature dehumidification controlling method for air conditioner, comprise the following steps:
When air-conditioner enters dehumidification mode, air-conditioner refrigerating operaton is controlled, indoor fan operates in default initial wind
Speed, and indoors after ambient temperature-stable, record initial indoor environment temperature;
Outdoor environment temperature is detected, the temperature difference of outdoor environment temperature and initial indoor environment temperature is obtained;
According to the temperature difference of the outdoor environment temperature and initial indoor environment temperature, the initial frequency of compressor operating is determined
Rate;
Current indoor environment temperature is detected every the first preset time, and obtains the change of indoor environment temperature;
According to the change of indoor environment temperature, the operational factor of air-conditioner is adjusted.
Preferably, described when air-conditioner enters dehumidification mode, control air-conditioner refrigerating operaton includes:
When air-conditioner enters dehumidification mode, indoor environment temperature is detected;
Judge whether detected indoor environment temperature is more than or equal to indoor target temperature;
When the indoor environment temperature detected is more than or equal to indoor target temperature, then air-conditioner refrigerating operaton is controlled;
When the indoor environment temperature detected is less than indoor target temperature, control air conditioner heat-production is run, and is being examined
When the indoor environment temperature of survey and the temperature difference of indoor target temperature are more than or equal to the first preset temperature, continue heating operation second
After preset time, air-conditioner refrigerating operaton is controlled.
Preferably, the change according to indoor environment temperature, the operational factor of regulation air-conditioner includes:
S1, it is less than or equal to the when the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection
During two preset temperatures, the indoor heat exchanger coils temperature of detection;
S2, when the indoor heat exchanger coil temperature be less than or equal to interior corresponding with the current indoor environment temperature
Heat exchanger coils temperature threshold, the wind speed of frequency and the indoor fan operation of the compressor operating remains unchanged;
S3, when the indoor heat exchanger coil temperature be more than indoor heat exchanger disk corresponding with current indoor environment temperature
Pipe temperature threshold, predeterminated frequency value is increased by the current operation frequency of the compressor, obtains new running frequency, and determine with
The wind speed of the corresponding indoor fan operation of the new running frequency;After the 3rd preset time, indoor heat exchanger disk is detected
Pipe temperature, and it is transferred to step S2 or S3.
Preferably, the change according to indoor environment temperature, the operational factor of regulation air-conditioner includes:
When the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature
When spending, the frequency of the compressor operating remains unchanged, the preset wind speed of current wind velocity lift that the indoor fan is run.
Preferably, the change according to indoor environment temperature, the operational factor of regulation air-conditioner includes:
When the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature
When spending, the current operation frequency of the compressor is increased into predeterminated frequency value, new running frequency is obtained, and determine and described new
The operation of running frequency corresponding indoor fan wind speed.
In addition, to achieve the above object, present invention also offers a kind of air-conditioner constant temperature dehumidification control device, including:
Initial temperature acquisition module, for when air-conditioner enters dehumidification mode, controlling air-conditioner refrigerating operaton, indoor wind
Machine operates in default initial wind speed, and indoors after ambient temperature-stable, records initial indoor environment temperature;
Detection module, for detecting outdoor environment temperature, obtains the temperature of outdoor environment temperature and initial indoor environment temperature
Difference;
Original frequency determining module, for the temperature difference according to the outdoor environment temperature and initial indoor environment temperature, really
Determine the original frequency of compressor operating;
Temperature difference acquisition module, for detecting current indoor environment temperature every the first preset time, and obtains indoor environment
The change of temperature;
Adjustment module, for the change according to indoor environment temperature, adjusts the operational factor of air-conditioner.
Preferably, the initial temperature acquisition module includes:
Indoor temperature detection unit, for when air-conditioner enters dehumidification mode, detecting indoor environment temperature;
Judging unit, for judging whether detected indoor environment temperature is more than or equal to indoor target temperature;
Control unit, for working as, detected indoor environment temperature is more than or equal to indoor target temperature, controls air-conditioner
Refrigerating operaton;
When the indoor environment temperature detected is less than indoor target temperature, control air conditioner heat-production is run, and is being examined
When the indoor environment temperature of survey and the temperature difference of indoor target temperature are more than or equal to the first preset temperature, continue heating operation second
After preset time, air-conditioner refrigerating operaton is controlled.
Preferably, the adjustment module includes:
Coil temperature detection unit, for when the current indoor environment temperature and the indoor environment temperature of last detection
Temperature difference when being less than or equal to the second preset temperature, the indoor heat exchanger coils temperature of detection;
Regulation unit, for being less than or equal to and current indoor environment temperature when the indoor heat exchanger coil temperature
Corresponding indoor heat exchanger coil temperature threshold value, the wind speed of frequency and the indoor fan operation of the compressor operating is maintained not
Become;
When the indoor heat exchanger coil temperature is more than the corresponding indoor heat exchanger coil temperature of current indoor environment temperature
Threshold value, predeterminated frequency value is increased by the current operation frequency of the compressor, obtains new running frequency, and determine and described new
The operation of running frequency corresponding indoor fan wind speed;Indoor heat exchanger coils temperature is detected after the 3rd preset time.
Preferably, the adjustment module includes:
Regulation unit, for when the current indoor environment temperature and the temperature of the indoor environment temperature of last detection
When difference is more than the second preset temperature, the frequency of the compressor operating remains unchanged, the current wind that the indoor fan is run
The preset wind speed of speed lifting.
Preferably, the adjustment module includes:
Regulation unit, for when the current indoor environment temperature and the temperature of the indoor environment temperature of last detection
When difference is more than the second preset temperature, the current operation frequency of the compressor is increased into predeterminated frequency value, new operation is obtained frequently
Rate, and determine the wind speed of indoor fan operation corresponding with the new running frequency.
The embodiment of the present invention determines that compressor is transported by detecting the temperature difference of initial indoor environment temperature and outdoor environment temperature
Capable original frequency;And current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are combined, obtain indoor
The change of environment temperature, and indoor heat exchanger coil temperature indoor heat exchanger coil temperature corresponding with current indoor environment temperature
Relation between threshold value, adjusts the operational factor such as the frequency of the compressor operating of air-conditioner and the wind speed of indoor fan, and control is empty
Adjust the operation of device.It is achieved thereby that air-conditioner indoor environment constant temperature or temperature drop in dehumidification process is very slow, but also
Improve moisture removal;In addition, air-conditioner need not increase the parts such as dehumidification valve, the dehumidifying cost of air-conditioner is reduced.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the embodiment of constant temperature dehumidification controlling method for air conditioner one of the present invention;
Fig. 2 be constant temperature dehumidification controlling method for air conditioner of the present invention in, air-conditioner enter dehumidification mode when, control air-conditioner
Run the refinement schematic flow sheet of refrigeration;
During Fig. 3 is constant temperature dehumidification controlling method for air conditioner of the present invention, according to the change of indoor environment temperature, regulation air-conditioner
Operational factor first refinement schematic flow sheet;
During Fig. 4 is constant temperature dehumidification controlling method for air conditioner of the present invention, according to the change of indoor environment temperature, regulation air-conditioner
Operational factor second refinement schematic flow sheet;
Fig. 5 is the high-level schematic functional block diagram of the embodiment of air-conditioner constant temperature dehumidification control device one of the present invention;
Fig. 6 is the high-level schematic functional block diagram of initial temperature acquisition module in air-conditioner constant temperature dehumidification control device of the present invention;
Fig. 7 is the high-level schematic functional block diagram of adjustment module in air-conditioner constant temperature dehumidification control device of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The essential core thought of the present invention is, by obtaining the temperature difference of outdoor environment temperature and initial indoor environment temperature,
That is indoor and outdoor payload, what root indoor and outdoor payload determined indoor environment removes humidity load, and controls compressor in air-conditioner
The original frequency of operation;During air-conditioner is run, current indoor environment temperature is detected every certain period of time, and obtain
The temperature difference of proper preceding indoor environment temperature and the indoor environment temperature of last detection, that is, obtain the change of indoor environment temperature;
Adjust the frequency of compressor operating and the wind speed of indoor fan.It is achieved thereby that air-conditioner is improved in the purpose of constant temperature dehumidification
User uses the comfortableness of air conditioner dehumidification process, but also improves moisture removal;In addition, it is not necessary that increase dehumidification valve etc. zero
Part, reduces the dehumidifying cost of air-conditioner.
As shown in figure 1, showing a kind of constant temperature dehumidification controlling method for air conditioner first embodiment of the invention.The embodiment
Constant temperature dehumidification controlling method for air conditioner comprises the following steps:
Step S10, air-conditioner enter dehumidification mode when, control air-conditioner refrigerating operaton, indoor fan operates in default
Initial wind speed, and indoors after ambient temperature-stable, record initial indoor environment temperature;
Step S20, detection outdoor environment temperature, obtain the temperature difference of outdoor environment temperature and initial indoor environment temperature;
Step S30, the temperature difference according to the outdoor environment temperature and initial indoor environment temperature, determine compressor operating
Original frequency;
Step S40, every the first preset time current indoor environment temperature is detected, and obtain the change of indoor environment temperature
Change;
Step S50, the change according to indoor environment temperature, adjust the operational factor of air-conditioner.
In the present embodiment, air-conditioner electrifying startup during into dehumidification mode, controls air-conditioner refrigerating operaton, indoor fan
Default initial wind speed is operated in, the default initial wind speed is the wind speed given tacit consent to when air-conditioner starts, and this is default initial
Wind speed is to ensure wind speed when air-conditioner enters maximum moisture removal;Certain initial wind speed can also be according to indoor environment humidity
Difference and set effective dehumidifying wind speed;The wind speed of fan operation can be adjusted by the gear on air-conditioner,
The wind speed of fan operation can be controlled by other means.Meanwhile, passed by the indoor temperature being installed on air conditioner room unit
Sensor detects indoor environment temperature during refrigerating operaton in real time, and indoors after ambient temperature-stable, wakes up master control in air-conditioner
Register module on device records initial indoor environment temperature T0;Sensed by the outdoor temperature being installed on air-conditioner outdoor unit
Device detection outdoor environment temperature T4, by the outdoor environment temperature T collected4With initial indoor environment temperature T0It is compared, obtains
Outdoor environment temperature T4With initial indoor environment temperature T0Temperature difference T, i.e. indoor and outdoor payload;According to outdoor environment temperature
T4With initial indoor environment temperature T0Temperature difference T, determine the original frequency F of the compressor operating of air-conditioner0, and control compression
Machine operates in original frequency F0.In the present embodiment, temperature difference T and original frequency F will be pre-set0Mapping relations, such as table 1
It is shown:
The temperature difference T of table 1. and compressor operating original frequency F0Between corresponding relation
Δ T=T4-T0(℃) | ≥8 | 7 | 6 | 5 | 4 | ≤3 |
F0(Hz) | 55 | 50 | 45 | 40 | 35 | 30 |
From upper table 1, when temperature difference T >=8 DEG C, the original frequency F of compressor operating0It is constant maintaining 55Hz;
When temperature difference T≤3 DEG C, the original frequency F of compressor operating0Maintain 30Hz constant;When temperature difference T is by 4 DEG C to 7 DEG C every
When being incremented by for 1 DEG C, the original frequency F of compressor operating0Also correspondingly it is incremented by from 35Hz to 50Hz at interval of 5Hz.For example,
The initial indoor environment temperature T detected0For 24 DEG C, the outdoor environment temperature T detected4For 30 DEG C, then outdoor environment temperature is obtained
Spend T4With initial indoor environment temperature T0Temperature difference T be 6 DEG C so that need control dehumidify when compressor operating original frequency
F0For 45Hz.It is understood that each value in above-mentioned table 1 can be set as the case may be and flexibly, this hair is not limited
It is bright.
In air-conditioner dehumidifying running, in order to ensure Environmental Incubator indoors or temperature drop it is very slow, it is necessary to
Change to indoor environment temperature is monitored, i.e., every the first preset time obtain indoor temperature transmitter detected it is current
Indoor environment temperature, and the current indoor environment temperature of acquisition and the indoor environment temperature of last time detection are compared, obtain
To current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection, that is, obtain the change of indoor environment temperature.
It should be noted that first preset time can be default setting, can also flexibly it be set according to the need for actual conditions
Put;For example, being set to 2 minutes, 5 minutes or 10 minutes etc..Then according to the change of indoor environment temperature, to being pressed in air-conditioner
The operational factor such as the frequency of contracting machine operation and the wind speed of indoor fan is adjusted, and air-conditioner is operated in the shape that effectively dehumidifies
State, further improves moisture removal, realizes rapid moisture removal.
The embodiment of the present invention controls the indoor fan of air-conditioner to operate in the default initial wind speed effectively dehumidified first, leads to
Cross indoor temperature transmitter and outdoor temperature sensor and detect initial indoor environment temperature and outdoor environment temperature respectively, obtain room
The temperature difference of external environment temperature and initial indoor environment temperature, it is true according to the temperature difference of outdoor environment temperature and initial indoor environment temperature
That determines indoor environment removes humidity load, and determines the original frequency of compressor operating.Then it is current every the detection of the first preset time
Indoor environment temperature, obtains current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection, it is determined that indoor ring
The change of border temperature, and combine indoor heat exchanger coil temperature indoor heat exchanger coil pipe temperature corresponding with current indoor environment temperature
The relation spent between threshold value, controls the frequency of compressor operating and the wind speed of indoor fan operation.So as to ensure to remove in air-conditioner
Indoor environment constant temperature or temperature drop are very slow during wet, but also can lift moisture removal, shorten the dehumidifying time;Cause
This, can improve the comfortableness that user uses air conditioner dehumidification process;In addition, it is not necessary that the parts such as increase dehumidification valve, are reduced
The dehumidifying cost of air-conditioner.
Further, as shown in Fig. 2 being based in above-described embodiment, the constant temperature dehumidification controlling method for air conditioner of the embodiment,
Above-mentioned steps S10 comprises the following steps:
Step S11, air-conditioner enter dehumidification mode when, detect indoor environment temperature;
Whether the detected indoor environment temperature of step S12, judgement is more than or equal to indoor target temperature;
Step S13, when the indoor environment temperature detected be more than or equal to indoor target temperature, then control air-conditioner refrigeration
Operation;
Step S14, when the indoor environment temperature detected be less than indoor target temperature, control air conditioner heat-production operation, and
And when the indoor environment temperature and the temperature difference of indoor target temperature detected is more than or equal to the first preset temperature, persistently heat
Run after the second preset time, control air-conditioner refrigerating operaton.
When air-conditioner enters dehumidification mode, examined first by the indoor temperature transmitter being installed on air conditioner room unit
Indoor environment temperature is surveyed, and is compared with indoor target temperature.The indoor target temperature be user using air-conditioner when set
Indoor target temperature, the indoor target temperature can be set by remote control, can also be pressed by default on air-conditioner
Key, it is configured by methods such as touch-screen or virtual keys, and is shown by the display screen on air-conditioner.Then sentence
Whether disconnected indoor environment temperature is more than or equal to indoor target temperature;When indoor environment temperature is more than or equal to indoor objects temperature
Degree, then control air-conditioner refrigerating operaton.When indoor environment temperature is less than indoor target temperature, air conditioner heat-production operation is first controlled,
After indoor environment temperature is raised and exceedes indoor target temperature, then control air-conditioner refrigerating operaton;In order that air-conditioner except
During wet during refrigerating operaton, indoor environment temperature can reach the indoor target temperature of user's setting, and the present embodiment will be set
When the indoor environment temperature and the temperature difference of indoor target temperature detected during heating operation is more than or equal to the first preset temperature, hold
The continuous preset time of heating operation second, then controls air-conditioner refrigerating operaton again.It should be noted that first preset temperature can
Think 1 DEG C, 2 DEG C, 3 DEG C etc., can be according to flexibly being set the need for actual conditions, it is also an option that default setting;For example,
Indoor environment temperature T2With indoor target temperature TSTemperature difference T2-TSAt >=1 DEG C, continue after the preset time of heating operation second, control
Air-conditioner refrigerating operaton processed.Second preset time be in order that air-conditioner operation the temperature to be reached can keep stably,
For example, may be configured as 5 minutes, also can flexibly it be set.When controlling air-conditioner refrigerating operaton, indoor fan operates in default
Initial wind speed, realizes constant temperature and rapid moisture removal.
Further, as shown in figure 3, being based in above-described embodiment, the constant temperature dehumidification controlling method for air conditioner of the embodiment,
Above-mentioned steps S50 comprises the following steps:
Step S51, judge the current indoor environment temperature and the indoor environment temperature of last detection the temperature difference whether
Less than or equal to the second preset temperature;
Step S52, be less than with the temperature difference of the indoor environment temperature of last detection when the current indoor environment temperature or
During equal to the second preset temperature, the indoor heat exchanger coils temperature of detection;
Step S53, judge the indoor heat exchanger coil temperature whether be less than or equal to and the current indoor environment temperature
Spend corresponding indoor heat exchanger coil temperature threshold value;
Step S54, when the indoor heat exchanger coil temperature be less than or equal to it is corresponding with the current indoor environment temperature
Indoor heat exchanger coil temperature threshold value, the compressor operating frequency and indoor fan operation wind speed remain unchanged;
Step S55, changed more than interior corresponding with current indoor environment temperature when the indoor heat exchanger coil temperature
Hot device coil temperature threshold value, predeterminated frequency value is increased by the current operation frequency of the compressor, obtains new running frequency, and
It is determined that the wind speed of indoor fan operation corresponding with the new running frequency;After the 3rd preset time, detection interior is changed
Hot device coil temperature, and it is transferred to step S53.
After current indoor environment temperature is detected by indoor temperature transmitter, with the interior of the last detection recorded
Environment temperature compares, that is, judges whether the current indoor environment temperature and the temperature difference of the indoor environment temperature of last time detection are small
In or equal to the second preset temperature, if current indoor environment temperature be less than with the temperature difference of the indoor environment temperature of last detection or
During equal to the second preset temperature, indoor heat exchanger coils temperature is detected by the temperature sensor being installed in indoor heat exchanger coil pipe
Degree.Second preset temperature may be configured as a value, such as 0 DEG C;It can also be provided that the value range of a permission, for example [-
0.5 DEG C ,+0.5 DEG C], it is configured according to actual needs, it is ensured that indoor environment temperature can slowly become in dehumidification process
Change.
In the present embodiment, the mapping for pre-setting current indoor environment temperature and indoor heat exchanger coil temperature threshold value is closed
System, as shown in table 2:
The mapping relations of the current indoor environment temperature of table 2. and indoor heat exchanger coil temperature threshold value
T1(℃) | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 |
TL(℃) | 18.48 | 17.56 | 16.63 | 15.71 | 14.8 | 13.88 | 12.96 | 12.05 | 11.13 | 10.22 | 9.31 | 8.4 | 7.5 | 6.59 |
From upper table 2, with current indoor environment temperature T1Increase, corresponding indoor heat exchanger coil temperature threshold value
TLAlso increase.For example, obtained current indoor environment temperature T1For 25 DEG C when, indoor environment temperature T before deserving1Corresponding interior
Heat exchanger coils temperature threshold TLFor 13.88 DEG C.It is understood that indoor heat exchanger coil temperature threshold value TLCan be according to reality
Need to be configured, it is not further herein to be limited.
Indoor heat exchanger coil temperature indoor heat exchanger coil temperature threshold value corresponding with current indoor environment temperature is entered
Row compares, when indoor heat exchanger coil temperature is less than or equal to indoor heat exchanger coil pipe temperature corresponding with current indoor environment temperature
Threshold value is spent, then the frequency of compressor operating and the wind speed of indoor fan operation remain unchanged.Run after preset time, this is preset
Time can be 5 minutes, also can flexibly set, not do further limitation herein;Continuation detection current indoor environment temperature, and with
The last time indoor environment temperature of detection compares, and circulation performs above-mentioned steps.When indoor heat exchanger coil temperature be more than with it is current
The corresponding indoor heat exchanger coil temperature threshold value of indoor environment temperature, then increase predeterminated frequency by the current operation frequency of compressor
Value, obtains new running frequency;For example, the predeterminated frequency value is 2Hz, according to the new running frequency F obtained after increase1=F10
+ 2Hz, wherein F10By the compressor current operation frequency F of above-mentioned determination air-conditioner10.It is understood that increase is default
Frequency values can be configured according to actual needs, not further herein to be limited.
In order to effectively increase moisture removal, condensation is prevented again, the present embodiment is also by the running frequency of preset compressor and room
The mapping relations of the wind speed of inner blower, as shown in table 3:
The mapping relations of the running frequency of the compressor of table 3. and the wind speed of indoor fan
Frequency (Hz) | <40 | 40~50 | 50~55 | 55~60 | 60~65 | 65~70 | 70~75 | 75~80 | 80~90 | 90~110 |
Wind speed | 1% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | >=90% |
From upper table 3, when the frequency of compressor operating<During 40Hz, the wind speed of indoor fan operation remains 1%;When
When the frequency of compressor operating is 90~110Hz, wind speed >=90% of indoor fan operation;It is 40 in the frequency of compressor operating
In the range of~50Hz, the wind speed of indoor fan operation is 10%;It is interior in the range of 80~90Hz in the frequency of compressor operating
The wind speed of fan operation is 80%;When the frequency of compressor operating is in the range of 50~80Hz, as frequency separation is at interval of 5Hz
Be incremented by, the wind speed of correspondence indoor fan operation is incremented by from 20%~70% at interval of 10%.For example, the current fortune of compressor
Line frequency is 56Hz, and increase predeterminated frequency value is 2Hz, then new running frequency is obtained for 58Hz, accordingly 55~60Hz's
In interval range, it is therefore desirable to which the wind speed that indoor fan is run is adjusted into 30%.Each value in upper table 3 can be according to specific
Situation and flexibly set, limit the present invention.It is determined that after new running frequency, then can according to upper table 3, it is determined that with new operation
The wind speed of the corresponding indoor fan operation of frequency.
In order that air-conditioner is monitored to indoor heat exchanger coil temperature again after reaching stable operation, it is pre- by the 3rd
If after the time, for example, the 3rd preset time is set to 5 minutes, or is flexibly set to other times, not doing herein further
Limitation;The indoor heat exchanger coils temperature of detection, by indoor heat exchanger coil temperature interior corresponding with current indoor environment temperature
Heat exchanger coils temperature threshold is compared, and is transferred to step S54 or S55 circulation execution according to comparative result.
Further, above-mentioned steps S50 is further comprising the steps of:
Step S56, it is more than the when the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection
During two preset temperatures, the frequency of the compressor operating remains unchanged, and the current wind velocity lift that the indoor fan is run is pre-
Put wind speed.
After current indoor environment temperature is detected by indoor temperature transmitter, with the interior of the last detection recorded
Environment temperature compares, if current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature
Degree, second preset temperature may be configured as a value, such as 0 DEG C;It can also be provided that the value range of a permission, for example [-
0.5 DEG C ,+0.5 DEG C], it is configured according to actual needs, it is ensured that indoor environment temperature can slowly become in dehumidification process
Change.Then now the frequency of compressor operating remains unchanged, the preset wind speed of current wind velocity lift that indoor fan is run.For example,
The preset wind speed of lifting is set to 10%, and the current wind speed of indoor fan operation is wind in 1%, then the wind speed rear chamber that gets a promotion
The new wind speed of machine operation is 11%, and controls indoor fan to be run according to the new wind speed;The preset wind speed can also basis
It is actually needed and is configured.After the wind speed for determining indoor fan operation, after operation preset time, the preset time can be 5
Minute is set to other times, continues to detect current indoor environment temperature, and the indoor environment temperature ratio detected with the last time
Compared with circulation performs above-mentioned steps.
Another embodiment, as shown in figure 4, above-mentioned steps S50 is further comprising the steps of:
Step S57, it is more than the when the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection
During two preset temperatures, then the current operation frequency of compressor is increased into predeterminated frequency value, obtains new running frequency, and determine with
The wind speed of the corresponding indoor fan operation of the new running frequency.
After current indoor environment temperature is detected by indoor temperature transmitter, if current indoor environment temperature and last time
The temperature difference of the indoor environment temperature of detection is more than the second preset temperature, and second preset temperature may be configured as a value, such as 0
℃;It can also be provided that the value range of a permission, such as [- 0.5 DEG C ,+0.5 DEG C] is configured according to actual needs, can be with
Ensure that indoor environment temperature can be slowly varying in dehumidification process.The current operation frequency of compressor is then increased into predeterminated frequency
Value, obtains new running frequency, and determine the wind speed of indoor fan operation corresponding with the new running frequency.For example, should
Predeterminated frequency value is 2Hz, according to the new running frequency F obtained after increase1=F10+ 2Hz, wherein F10By above-mentioned determination air-conditioning
The current operation frequency F of the compressor of device10, it is to be understood that the predeterminated frequency value of increase can be set according to actual needs
Put, it is not further herein to be limited.Then the wind speed of indoor fan operation corresponding with new running frequency is determined again;Compression
Mapping relations between the frequency of machine operation and the wind speed of indoor fan operation are as shown in table 3.
Accordingly, as shown in figure 5, proposing a kind of air-conditioner constant temperature dehumidification control device first embodiment of the invention.The reality
Applying the air-conditioner constant temperature dehumidification control device of example includes:
Initial temperature acquisition module 100, for when air-conditioner enters dehumidification mode, controlling air-conditioner refrigerating operaton, room
Inner blower operates in default initial wind speed, and indoors after ambient temperature-stable, records initial indoor environment temperature;
Detection module 200, for detecting outdoor environment temperature, obtains outdoor environment temperature and initial indoor environment temperature
The temperature difference;
Original frequency determining module 300, for the temperature difference according to the outdoor environment temperature and initial indoor environment temperature,
Determine the original frequency of compressor operating;
Temperature difference acquisition module 400, for detecting current indoor environment temperature every the first preset time, and obtains indoor ring
The change of border temperature;
Adjustment module 500, for the change according to indoor environment temperature, adjusts the operational factor of air-conditioner.
In the present embodiment, air-conditioner electrifying startup during into dehumidification mode, controls air-conditioner refrigerating operaton, indoor fan
Default initial wind speed is operated in, the default initial wind speed is the wind speed given tacit consent to when air-conditioner starts, and this is default initial
Wind speed is to ensure wind speed when air-conditioner enters maximum moisture removal;Certain initial wind speed can also be according to indoor environment humidity
Difference and set effective dehumidifying wind speed;The wind speed of fan operation can be adjusted by the gear on air-conditioner,
The wind speed of fan operation can be controlled by other means.Meanwhile, passed by the indoor temperature being installed on air conditioner room unit
Sensor detects indoor environment temperature during refrigerating operaton in real time, and indoors after ambient temperature-stable, wakes up master control in air-conditioner
Register module on device records initial indoor environment temperature T0;Sensed by the outdoor temperature being installed on air-conditioner outdoor unit
Device detection outdoor environment temperature T4, by the outdoor environment temperature T collected4With initial indoor environment temperature T0It is compared, obtains
Outdoor environment temperature T4With initial indoor environment temperature T0Temperature difference T, i.e. indoor and outdoor payload;According to outdoor environment temperature
T4With initial indoor environment temperature T0Temperature difference T, determine the original frequency F of the compressor operating of air-conditioner0, and control compression
Machine operates in original frequency F0.In the present embodiment, temperature difference T and original frequency F will be pre-set0Mapping relations, such as table 1
It is shown:
The temperature difference T of table 1. and compressor operating original frequency F0Between corresponding relation
Δ T=T4-T0(℃) | ≥8 | 7 | 6 | 5 | 4 | ≤3 |
F0(Hz) | 55 | 50 | 45 | 40 | 35 | 30 |
From upper table 1, when temperature difference T >=8 DEG C, the original frequency F of compressor operating0It is constant maintaining 55Hz;
When temperature difference T≤3 DEG C, the original frequency F of compressor operating0Maintain 30Hz constant;When temperature difference T is by 4 DEG C to 7 DEG C every
When being incremented by for 1 DEG C, the original frequency F of compressor operating0Also correspondingly it is incremented by from 35Hz to 50Hz at interval of 5Hz.For example,
The initial indoor environment temperature T detected0For 24 DEG C, the outdoor environment temperature T detected4For 30 DEG C, then outdoor environment temperature is obtained
Spend T4With initial indoor environment temperature T0Temperature difference T be 6 DEG C so that need control dehumidify when compressor operating original frequency
F0For 45Hz.It is understood that each value in above-mentioned table 1 can be set as the case may be and flexibly, this hair is not limited
It is bright.
In air-conditioner dehumidifying running, in order to ensure Environmental Incubator indoors or temperature drop it is very slow, it is necessary to
Change to indoor environment temperature is monitored, i.e., every the first preset time obtain indoor temperature transmitter detected it is current
Indoor environment temperature, and the current indoor environment temperature of acquisition and the indoor environment temperature of last time detection are compared, obtain
To current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection, that is, obtain the change of indoor environment temperature.
It should be noted that first preset time can be default setting, can also flexibly it be set according to the need for actual conditions
Put;For example, being set to 2 minutes, 5 minutes or 10 minutes etc..Then according to the change of indoor environment temperature, to being pressed in air-conditioner
The operational factor such as the frequency of contracting machine operation and the wind speed of indoor fan is adjusted, and air-conditioner is operated in the shape that effectively dehumidifies
State, further improves moisture removal, realizes rapid moisture removal.
The embodiment of the present invention controls the indoor fan of air-conditioner to operate in the default initial wind speed effectively dehumidified first, leads to
Cross indoor temperature transmitter and outdoor temperature sensor and detect initial indoor environment temperature and outdoor environment temperature respectively, obtain room
The temperature difference of external environment temperature and initial indoor environment temperature, it is true according to the temperature difference of outdoor environment temperature and initial indoor environment temperature
That determines indoor environment removes humidity load, and determines the original frequency of compressor operating.Then it is current every the detection of the first preset time
Indoor environment temperature, obtains current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection, it is determined that indoor ring
The change of border temperature, and combine indoor heat exchanger coil temperature indoor heat exchanger coil pipe temperature corresponding with current indoor environment temperature
The relation spent between threshold value, controls the frequency of compressor operating and the wind speed of indoor fan operation.So as to ensure to remove in air-conditioner
Indoor environment constant temperature or temperature drop are very slow during wet, but also can lift moisture removal, shorten the dehumidifying time;Cause
This, can improve the comfortableness that user uses air conditioner dehumidification process;In addition, it is not necessary that the parts such as increase dehumidification valve, are reduced
The dehumidifying cost of air-conditioner.
Further, as shown in fig. 6, initial temperature acquisition module 100 is wrapped in above-mentioned air-conditioner constant temperature dehumidification control device
Include:
Indoor temperature detection unit 110, for when air-conditioner enters dehumidification mode, detecting indoor environment temperature;
Judging unit 120, for judging whether detected indoor environment temperature is more than or equal to indoor target temperature;;
Control unit 130, for working as, detected indoor environment temperature is more than or equal to indoor target temperature, controls air-conditioning
Device refrigerating operaton;
When the indoor environment temperature detected is less than indoor target temperature, control air conditioner heat-production is run, and is being examined
When the indoor environment temperature of survey and the temperature difference of indoor target temperature are more than or equal to the first preset temperature, continue heating operation second
After preset time, air-conditioner refrigerating operaton is controlled.
When air-conditioner enters dehumidification mode, examined first by the indoor temperature transmitter being installed on air conditioner room unit
Indoor environment temperature is surveyed, and is compared with indoor target temperature.The indoor target temperature be user using air-conditioner when set
Indoor target temperature, the indoor target temperature can be set by remote control, can also be pressed by default on air-conditioner
Key, it is configured by methods such as touch-screen or virtual keys, and is shown by the display screen on air-conditioner.Then sentence
Whether disconnected indoor environment temperature is more than or equal to indoor target temperature;When indoor environment temperature is more than or equal to indoor objects temperature
Degree, then control air-conditioner refrigerating operaton;When indoor environment temperature is less than indoor target temperature, air conditioner heat-production operation is first controlled,
After indoor environment temperature is raised and exceedes indoor target temperature, then control air-conditioner refrigerating operaton;In order that air-conditioner except
During wet during refrigerating operaton, indoor environment temperature can reach the indoor target temperature of user's setting, and the present embodiment will be set
When the indoor environment temperature and the temperature difference of indoor target temperature detected during heating operation is more than or equal to the first preset temperature, hold
The continuous preset time of heating operation second, then controls air-conditioner refrigerating operaton again.It should be noted that first preset temperature can
Think 1 DEG C, 2 DEG C, 3 DEG C etc., can be according to flexibly being set the need for actual conditions, it is also an option that default setting;For example,
Indoor environment temperature T2With indoor target temperature TSTemperature difference T2-TSAt >=1 DEG C, continue after the preset time of heating operation second, control
Air-conditioner refrigerating operaton processed.Second preset time be in order that air-conditioner operation the temperature to be reached can keep stably,
For example, may be configured as 5 minutes, also can flexibly it be set.When controlling air-conditioner refrigerating operaton, indoor fan operates in default
Initial wind speed, realizes constant temperature and rapid moisture removal.
Further, as shown in fig. 7, adjustment module 500 includes in above-mentioned air-conditioner constant temperature dehumidification control device:
Coil temperature detection unit 510, for when the current indoor environment temperature and the indoor environment of last detection
When the temperature difference of temperature is less than or equal to the second preset temperature, the indoor heat exchanger coils temperature of detection;
Regulation unit 520, for being less than or equal to and current indoor environment when the indoor heat exchanger coil temperature
The corresponding indoor heat exchanger coil temperature threshold value of temperature, the wind speed of frequency and the indoor fan operation of the compressor operating is maintained
It is constant;
When the indoor heat exchanger coil temperature is more than the corresponding indoor heat exchanger coil temperature of current indoor environment temperature
Threshold value, predeterminated frequency value is increased by the current operation frequency of the compressor, obtains new running frequency, and determine and described new
The operation of running frequency corresponding indoor fan wind speed;Indoor heat exchanger coils temperature is detected after the 3rd preset time.
After current indoor environment temperature is detected by indoor temperature transmitter, with the interior of the last detection recorded
Environment temperature compares, that is, judges whether the current indoor environment temperature and the temperature difference of the indoor environment temperature of last time detection are small
In or equal to the second preset temperature, if current indoor environment temperature be less than with the temperature difference of the indoor environment temperature of last detection or
During equal to the second preset temperature, indoor heat exchanger coils temperature is detected by the temperature sensor being installed in indoor heat exchanger coil pipe
Degree.Second preset temperature may be configured as a value, such as 0 DEG C;It can also be provided that the value range of a permission, for example [-
0.5 DEG C ,+0.5 DEG C], it is configured according to actual needs, it is ensured that indoor environment temperature can slowly become in dehumidification process
Change.
In the present embodiment, the mapping for pre-setting current indoor environment temperature and indoor heat exchanger coil temperature threshold value is closed
System, as shown in table 2:
The mapping relations of the current indoor environment temperature of table 2. and indoor heat exchanger coil temperature threshold value
T1(℃) | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 |
TL(℃) | 18.48 | 17.56 | 16.63 | 15.71 | 14.8 | 13.88 | 12.96 | 12.05 | 11.13 | 10.22 | 9.31 | 8.4 | 7.5 | 6.59 |
From upper table 2, with current indoor environment temperature T1Increase, corresponding indoor heat exchanger coil temperature threshold value
TLAlso increase.For example, obtained current indoor environment temperature T1For 25 DEG C when, indoor environment temperature T before deserving1Corresponding interior
Heat exchanger coils temperature threshold TLFor 13.88 DEG C.It is understood that indoor heat exchanger coil temperature threshold value TLCan be according to reality
Need to be configured, it is not further herein to be limited.
Indoor heat exchanger coil temperature indoor heat exchanger coil temperature threshold value corresponding with current indoor environment temperature is entered
Row compares, when indoor heat exchanger coil temperature is less than or equal to indoor heat exchanger coil pipe temperature corresponding with current indoor environment temperature
Threshold value is spent, then the frequency of compressor operating and the wind speed of indoor fan operation remain unchanged.Run after preset time, this is preset
Time can be 5 minutes, also can flexibly set, not do further limitation herein;Continuation detection current indoor environment temperature, and with
The last time indoor environment temperature of detection compares, and circulation performs above-mentioned steps.When indoor heat exchanger coil temperature be more than with it is current
The corresponding indoor heat exchanger coil temperature threshold value of indoor environment temperature, then increase predeterminated frequency by the current operation frequency of compressor
Value, obtains new running frequency;For example, the predeterminated frequency value is 2Hz, according to the new running frequency F obtained after increase1=F10
+ 2Hz, wherein F10By the compressor current operation frequency F of above-mentioned determination air-conditioner10.It is understood that increase is default
Frequency values can be configured according to actual needs, not further herein to be limited.
In order to effectively increase moisture removal, condensation is prevented again, the present embodiment is also by the running frequency of preset compressor and room
The mapping relations of the wind speed of inner blower, as shown in table 3:
The mapping relations of the running frequency of the compressor of table 3. and the wind speed of indoor fan
Frequency (Hz) | <40 | 40~50 | 50~55 | 55~60 | 60~65 | 65~70 | 70~75 | 75~80 | 80~90 | 90~110 |
Wind speed | 1% | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | >=90% |
From upper table 3, when the frequency of compressor operating<During 40Hz, the wind speed of indoor fan operation remains 1%;When
When the frequency of compressor operating is 90~110Hz, wind speed >=90% of indoor fan operation;It is 40 in the frequency of compressor operating
In the range of~50Hz, the wind speed of indoor fan operation is 10%;It is interior in the range of 80~90Hz in the frequency of compressor operating
The wind speed of fan operation is 80%;When the frequency of compressor operating is in the range of 50~80Hz, as frequency separation is at interval of 5Hz
Be incremented by, the wind speed of correspondence indoor fan operation is incremented by from 20%~70% at interval of 10%.For example, the current fortune of compressor
Line frequency is 56Hz, and increase predeterminated frequency value is 2Hz, then new running frequency is obtained for 58Hz, accordingly 55~60Hz's
In interval range, it is therefore desirable to which the wind speed that indoor fan is run is adjusted into 30%.Each value in upper table 3 can be according to specific
Situation and flexibly set, limit the present invention.It is determined that after new running frequency, then can according to upper table 3, it is determined that with new operation
The wind speed of the corresponding indoor fan operation of frequency.
In order that air-conditioner is monitored to indoor heat exchanger coil temperature again after reaching stable operation, it is pre- by the 3rd
If after the time, for example, the 3rd preset time is set to 5 minutes, or is flexibly set to other times, not doing herein further
Limitation;The indoor heat exchanger coils temperature of detection, by indoor heat exchanger coil temperature interior corresponding with current indoor environment temperature
Heat exchanger coils temperature threshold is compared, and is transferred to step S54 or S55 circulation execution according to comparative result.
Adjustment module 500 also includes:
Regulation unit 520, for when the current indoor environment temperature and the indoor environment temperature of last detection
The temperature difference be more than the second preset temperature when, the frequency of the compressor operating remains unchanged, by the indoor fan run work as
The preceding preset wind speed of wind velocity lift.
After current indoor environment temperature is detected by indoor temperature transmitter, with the interior of the last detection recorded
Environment temperature compares, if current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature
Degree, second preset temperature may be configured as a value, such as 0 DEG C;It can also be provided that the value range of a permission, for example [-
0.5 DEG C ,+0.5 DEG C], it is configured according to actual needs, it is ensured that indoor environment temperature can slowly become in dehumidification process
Change.Then now the frequency of compressor operating remains unchanged, the preset wind speed of current wind velocity lift that indoor fan is run.For example,
The preset wind speed of lifting is set to 10%, and the current wind speed of indoor fan operation is wind in 1%, then the wind speed rear chamber that gets a promotion
The new wind speed of machine operation is 11%, and controls indoor fan to be run according to the new wind speed;The preset wind speed can also basis
It is actually needed and is configured.After the wind speed for determining indoor fan operation, after operation preset time, the preset time can be 5
Minute is set to other times, continues to detect current indoor environment temperature, and the indoor environment temperature ratio detected with the last time
Compared with circulation performs above-mentioned steps.
Another embodiment, above-mentioned adjustment module 500 includes:
Regulation unit 520, for when the current indoor environment temperature and the indoor environment temperature of last detection
Temperature difference when being more than the second preset temperature, the current operation frequency of the compressor is increased into predeterminated frequency value, new fortune is obtained
Line frequency, and determine the wind speed of indoor fan operation corresponding with the new running frequency.
After current indoor environment temperature is detected by indoor temperature transmitter, if current indoor environment temperature and last time
The temperature difference of the indoor environment temperature of detection is more than the second preset temperature, and second preset temperature may be configured as a value, such as 0
℃;It can also be provided that the value range of a permission, such as [- 0.5 DEG C ,+0.5 DEG C] is configured according to actual needs, can be with
Ensure that indoor environment temperature can be slowly varying in dehumidification process.The current operation frequency of compressor is then increased into predeterminated frequency
Value, obtains new running frequency, and determine the wind speed of indoor fan operation corresponding with the new running frequency.For example, should
Predeterminated frequency value is 2Hz, according to the new running frequency F obtained after increase1=F10+ 2Hz, wherein F10By above-mentioned determination air-conditioning
The current operation frequency F of the compressor of device10, it is to be understood that the predeterminated frequency value of increase can be set according to actual needs
Put, it is not further herein to be limited.Then the wind speed of indoor fan operation corresponding with new running frequency is determined again;Compression
Mapping relations between the frequency of machine operation and the wind speed of indoor fan operation are as shown in table 3.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification 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 (8)
1. a kind of constant temperature dehumidification controlling method for air conditioner, it is characterised in that the constant temperature dehumidification controlling method for air conditioner include with
Lower step:
When air-conditioner enters dehumidification mode, air-conditioner refrigerating operaton is controlled, indoor fan operates in default initial wind speed, and
Indoors after ambient temperature-stable, initial indoor environment temperature is recorded;
Outdoor environment temperature is detected, the temperature difference of outdoor environment temperature and initial indoor environment temperature is obtained;
According to the temperature difference of the outdoor environment temperature and initial indoor environment temperature, the original frequency of compressor operating is determined;
Current indoor environment temperature is detected every the first preset time, and obtains the change of indoor environment temperature;
According to the change of indoor environment temperature, the operational factor of air-conditioner is adjusted;
Wherein, the change according to indoor environment temperature, the operational factor of regulation air-conditioner includes:
S1, when the temperature difference of the current indoor environment temperature and the indoor environment temperature of last detection, to be less than or equal to second pre-
When putting temperature, the indoor heat exchanger coils temperature of detection;
S2, when the indoor heat exchanger coil temperature be less than or equal to indoor heat exchange corresponding with the current indoor environment temperature
Device coil temperature threshold value, the wind speed of frequency and the indoor fan operation of the compressor operating remains unchanged;
S3, when the indoor heat exchanger coil temperature be more than indoor heat exchanger coil pipe temperature corresponding with current indoor environment temperature
Spend threshold value, the current operation frequency of the compressor increased into predeterminated frequency value, obtain new running frequency, and determine with it is described
The wind speed of the corresponding indoor fan operation of new running frequency;After the 3rd preset time, the indoor heat exchanger coils temperature of detection
Degree, and it is transferred to step S2 or S3.
2. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that described to enter dehumidifying in air-conditioner
During pattern, control air-conditioner refrigerating operaton includes:
When air-conditioner enters dehumidification mode, indoor environment temperature is detected;
Judge whether detected indoor environment temperature is more than or equal to indoor target temperature;
When the indoor environment temperature detected is more than or equal to indoor target temperature, then air-conditioner refrigerating operaton is controlled;
When the indoor environment temperature that is detected is less than indoor target temperature, control air conditioner heat-production operation, and detected
When the temperature difference of indoor environment temperature and indoor target temperature is more than or equal to the first preset temperature, continues heating operation second and preset
After time, air-conditioner refrigerating operaton is controlled.
3. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that described according to indoor environment temperature
Change, regulation air-conditioner operational factor include:
When the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature,
The frequency of the compressor operating remains unchanged, the preset wind speed of current wind velocity lift that the indoor fan is run.
4. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that described according to indoor environment temperature
Change, regulation air-conditioner operational factor include:
When the current indoor environment temperature and the temperature difference of the indoor environment temperature of last detection are more than the second preset temperature,
The current operation frequency of the compressor is increased into predeterminated frequency value, new running frequency is obtained, and determine and the new fortune
The wind speed of the corresponding indoor fan operation of line frequency.
5. a kind of air-conditioner constant temperature dehumidification control device, it is characterised in that the air-conditioner constant temperature dehumidification control device includes:
Initial temperature acquisition module, for when air-conditioner enters dehumidification mode, controlling air-conditioner refrigerating operaton, indoor fan fortune
Row indoors after ambient temperature-stable, records initial indoor environment temperature in default initial wind speed;
Detection module, for detecting outdoor environment temperature, obtains the temperature difference of outdoor environment temperature and initial indoor environment temperature;
Original frequency determining module, for the temperature difference according to the outdoor environment temperature and initial indoor environment temperature, it is determined that pressure
The original frequency of contracting machine operation;
Temperature difference acquisition module, for detecting current indoor environment temperature every the first preset time, and obtains indoor environment temperature
Change;
Adjustment module, for the change according to indoor environment temperature, adjusts the operational factor of air-conditioner;
The adjustment module includes:
Coil temperature detection unit, for when the current indoor environment temperature and the temperature of the indoor environment temperature of last detection
When difference is less than or equal to the second preset temperature, the indoor heat exchanger coils temperature of detection;
Regulation unit, for when the indoor heat exchanger coil temperature is less than or equal to corresponding with current indoor environment temperature
Indoor heat exchanger coil temperature threshold value, the compressor operating frequency and indoor fan operation wind speed remain unchanged;
When the indoor heat exchanger coil temperature be more than the corresponding indoor heat exchanger coil temperature threshold value of current indoor environment temperature,
The current operation frequency of the compressor is increased into predeterminated frequency value, new running frequency is obtained, and determine and the new fortune
The wind speed of the corresponding indoor fan operation of line frequency;Indoor heat exchanger coils temperature is detected after the 3rd preset time.
6. air-conditioner constant temperature dehumidification control device as claimed in claim 5, it is characterised in that the initial temperature acquisition module
Including:
Indoor temperature detection unit, for when air-conditioner enters dehumidification mode, detecting indoor environment temperature;
Judging unit, for judging whether detected indoor environment temperature is more than or equal to indoor target temperature;
Control unit, for working as, detected indoor environment temperature is more than or equal to indoor target temperature, control air-conditioner refrigeration
Operation;
When the indoor environment temperature that is detected is less than indoor target temperature, control air conditioner heat-production operation, and detected
When the temperature difference of indoor environment temperature and indoor target temperature is more than or equal to the first preset temperature, continues heating operation second and preset
After time, air-conditioner refrigerating operaton is controlled.
7. air-conditioner constant temperature dehumidification control device as claimed in claim 5, it is characterised in that the adjustment module includes:
Regulation unit, for when the temperature difference of the current indoor environment temperature and the indoor environment temperature of last detection it is big
When the second preset temperature, the frequency of the compressor operating is remained unchanged, and the current wind speed that the indoor fan is run is carried
Rise preset wind speed.
8. air-conditioner constant temperature dehumidification control device as claimed in claim 5, it is characterised in that the adjustment module includes:
Regulation unit, for when the temperature difference of the current indoor environment temperature and the indoor environment temperature of last detection it is big
When the second preset temperature, the current operation frequency of the compressor is increased into predeterminated frequency value, new running frequency is obtained, and
It is determined that the wind speed of indoor fan operation corresponding with the new running frequency.
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