CN104748318B - Constant temperature dehumidification controlling method for air conditioner and device, air conditioner - Google Patents
Constant temperature dehumidification controlling method for air conditioner and device, air conditioner Download PDFInfo
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- CN104748318B CN104748318B CN201510167060.7A CN201510167060A CN104748318B CN 104748318 B CN104748318 B CN 104748318B CN 201510167060 A CN201510167060 A CN 201510167060A CN 104748318 B CN104748318 B CN 104748318B
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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
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The 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, starts indoor fan, detects indoor environment temperature；When the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, indoor/outdoor temperature-difference is obtained；According to the indoor/outdoor temperature-difference, the original frequency of compressor operating is determined, and the wind speed of indoor fan operation is reduced to default wind speed；Obtain current indoor environment temperature and the temperature difference of target temperature；The adjusting condition met according to the temperature difference of current indoor environment temperature and target temperature, adjust the operational factor of air conditioner.The invention also discloses a kind of air conditioner constant temperature dehumidification control device and air conditioner.The present invention realizes in the dehumidification process of air conditioner indoor environment constant temperature or temperature declines very slow, improves the comfortableness that user uses air conditioner.In addition, air conditioner need not increase the parts such as dehumidification valve, the cost of air conditioner is reduced.
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, air conditioner.
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 the comfortableness that user uses 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
Evaporator when part is as dehumidifying, another part connects 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 is 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, air conditioner, it is intended to
Reduce the cost of 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：
S1, when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, start indoor fan, sensing chamber's inner ring
Border temperature；
S2, when the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, obtain indoor and outdoor temperature
Difference；
S3, according to the indoor/outdoor temperature-difference, determine the original frequency of compressor operating, and the wind speed that indoor fan is run
It is reduced to default wind speed；
S4, obtain current indoor environment temperature and the temperature difference of target temperature；
S5, the adjusting condition met according to the temperature difference of the current indoor environment temperature and target temperature, adjust air-conditioning
The operational factor of device.
Preferably, the step S5 includes：
When the current indoor environment temperature and the temperature difference of target temperature are located at the first preset temperature difference section, detection is indoor
Heat exchanger coils temperature；
Judge whether detected indoor heat exchanger coil temperature is more than dew-point temperature corresponding to current indoor environment temperature；
If the indoor heat exchanger coil temperature detected is more than dew-point temperature corresponding to current indoor environment temperature, by described in
The frequency that compressor is currently run increases the first predeterminated frequency value, after the second preset time, is transferred to step S4；
If the indoor heat exchanger coil temperature detected is less than or equal to dew-point temperature corresponding to current indoor environment temperature,
The frequency of the compressor operating remains unchanged, and after the 3rd preset time, is transferred to step S4.
Preferably, the step S5 includes：
When the temperature difference of the current indoor environment temperature and target temperature is located at the second preset temperature difference section, will described in
The frequency that compressor is currently run increases the second predeterminated frequency value, after the 4th preset time, is transferred to step S4.
Preferably, the step S5 includes：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 3rd preset temperature difference section, will described in
The frequency that compressor is currently run reduces the 3rd predeterminated frequency value, after the 5th preset time, is transferred to step S4.
Preferably, the step S5 includes：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 4th preset temperature difference section, stopping institute
The operation of compressor is stated, after the 6th preset time, is transferred to step S4.
Preferably, the step S5 includes：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 5th preset temperature difference section, control is empty
Device refrigerating operaton is adjusted, starts indoor fan, detects indoor environment temperature, and be transferred to step S2.
In addition, to achieve the above object, present invention also offers a kind of air conditioner constant temperature dehumidification control device, including：
Detection module, for when air conditioner enters dehumidification mode, controlling air conditioner refrigerating operaton, start indoor fan,
Detect indoor environment temperature；
Indoor/outdoor temperature-difference acquisition module, the temperature difference for working as detected indoor environment temperature and target temperature are less than preset
During temperature, indoor/outdoor temperature-difference is obtained；
Determining module, for according to the indoor/outdoor temperature-difference, determining the original frequency of compressor operating, and by indoor fan
The wind speed of operation is reduced to default wind speed；
Acquisition module, for obtaining the temperature difference of current indoor environment temperature and target temperature；
Adjustment module, for the adjustment bar met according to the temperature difference of the current indoor environment temperature and target temperature
Part, adjust the operational factor of air conditioner.
Preferably, the adjustment module includes the first adjustment unit, and first adjustment unit includes：
Detection sub-unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at the first preset temperature
Poor section, detect indoor heat exchanger coils temperature；
Whether judgment sub-unit, the indoor heat exchanger coil temperature for judging detected are more than current indoor environment temperature
Corresponding dew-point temperature；
Regulator unit, if being more than for the indoor heat exchanger coil temperature detected corresponding to current indoor environment temperature
Dew-point temperature, the frequency that the compressor is currently run increase the first predeterminated frequency value；
If the indoor heat exchanger coil temperature detected is less than or equal to dew-point temperature corresponding to current indoor environment temperature,
The frequency of the compressor operating remains unchanged.
Preferably, the adjustment module includes：
Second adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at preset the
Two temperature difference sections, the frequency that the compressor is currently run increase the second predeterminated frequency value.
Preferably, the adjustment module includes：
3rd adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at preset the
Three temperature difference sections, the frequency that the compressor is currently run reduce the 3rd predeterminated frequency value.
Preferably, the adjustment module includes：
4th adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at preset the
Four temperature difference sections, stop the operation of the compressor.
Preferably, the 5th adjustment unit, for being located at when the temperature difference of the current indoor environment temperature and target temperature
The 5th preset temperature difference section, air conditioner refrigerating operaton is controlled, start indoor fan, detect indoor environment temperature.
In addition, to achieve the above object, present invention also offers a kind of air conditioner, the air conditioner is provided with indoor temperature
Sensor and outdoor temperature sensor, the indoor temperature transmitter are used to gather indoor environment temperature, outdoor temperature biography
Sensor is used to gather outdoor environment temperature, and the air conditioner also includes the control device of the air conditioner constant temperature dehumidification of said structure,
The control device is used to combine indoor environment temperature and target temperature, outdoor environment temperature, adjusts the operational factor of air conditioner, and
Air conditioner is controlled to be run according to the operational factor.
When air conditioner enters dehumidification mode, environment temperature and the temperature difference of target temperature are less than the embodiment of the present invention indoors
During preset temperature, indoor/outdoor temperature-difference is obtained, and determines according to indoor/outdoor temperature-difference the original frequency of compressor operating, while by interior
The wind speed of fan operation is reduced to default wind speed.Then acquisition current indoor environment temperature and the temperature difference of target temperature, and according to
The adjusting condition that current indoor environment temperature and the temperature difference of target temperature are met, adjust the operational factor of air conditioner.So as to real
It is very slow to have showed air conditioner indoor environment constant temperature or temperature decline in dehumidification process, while has improved moisture removal.It is in addition, empty
Adjust device to increase the parts such as dehumidification valve, reduce the dehumidifying cost of air conditioner.
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 is in constant temperature dehumidification controlling method for air conditioner of the present invention, according to the current indoor environment temperature and target temperature
The adjusting condition that the temperature difference of degree is met, adjust the refinement schematic flow sheet of the operational factor of air conditioner；
Fig. 3 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. 4 is the high-level schematic functional block diagram of adjustment module in air conditioner constant temperature dehumidification control device of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the first adjustment module in air conditioner constant temperature dehumidification control device of the present invention；
Fig. 6 is a kind of embodiment of air conditioner one for realizing constant temperature dehumidification control 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 that air conditioner is in desiccant cooling running, when indoor environment temperature and mesh
The temperature difference of mark temperature is when being less than preset temperature, obtains the original frequency of determination compressor operating after indoor/outdoor temperature-difference, while by room
The wind speed of inner blower operation is reduced to default wind speed.Then obtain current indoor environment temperature and the temperature difference of target temperature is met
Adjusting condition, adjust the operational factor of air conditioner.It is achieved thereby that purpose of the air conditioner in constant temperature dehumidification, improving user makes
With the comfortableness of air conditioner dehumidification process, while improve moisture removal.In addition, it is not necessary that the parts such as increase dehumidification valve, are reduced
The dehumidifying cost of air conditioner.
As shown in figure 1, show a kind of constant temperature dehumidification controlling method for air conditioner first embodiment of the present invention.The embodiment
Constant temperature dehumidification controlling method for air conditioner comprises the following steps：
Step S10, when air conditioner enters dehumidification mode, air conditioner refrigerating operaton is controlled, starts indoor fan, sensing chamber
Interior environment temperature；
Step S20, when the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, obtain indoor
The outer temperature difference；
Step S30, according to the indoor/outdoor temperature-difference, the original frequency of compressor operating is determined, and indoor fan is run
Wind speed be reduced to default wind speed；
Step S40, current indoor environment temperature and the temperature difference of target temperature are obtained；
Step S50, the adjusting condition met according to the temperature difference of the current indoor environment temperature and target temperature, regulation
The operational factor of air conditioner.
Air conditioner electrifying startup, during into dehumidification mode, air conditioner refrigerating operaton is controlled, starts indoor fan.Work as user
The wind speed of indoor fan operation is configured, indoor fan operates in set wind speed and effectively dehumidified；If user
The wind speed of indoor fan operation is not provided with, indoor fan will operate in the wind speed of acquiescence, with the increase of refrigerating capacity, the acquiescence
Wind speed also increase therewith, conversely, refrigerating capacity is smaller, the wind speed of indoor fan acquiescence operation is also smaller, ensure that air conditioner energy
Enough enter maximum moisture removal.Meanwhile the indoor temperature transmitter by being installed on air conditioner room unit detects refrigeration fortune in real time
Indoor environment temperature during row, and when the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, lead to
Cross the outdoor temperature sensor detection outdoor environment temperature T being installed on air-conditioner outdoor unit4, the outdoor environment temperature that will collect
Spend T4With indoor environment temperature T1It is compared, obtains outdoor environment temperature T4With indoor environment temperature T1Indoor/outdoor temperature-difference Δ
T, i.e. indoor and outdoor payload.
It should be noted that target temperature is the temperature set by user, the target temperature is less than outdoor environment temperature, if
Target temperature set by user is greater than or equal to outdoor environment temperature, and air conditioner can be automatically by target temperature TSIt is reduced to outdoor
Environment temperature T4, 2 DEG C of outdoor environment temperature, i.e. T can be less thanS≤T4- 2 DEG C, the amplitude of cooling can be carried out according to actual conditions
Set, do not do further limitation herein.For example, when outdoor environment temperature is 20 DEG C, and the target temperature set is 26 DEG C, it is empty
Adjust device then by near 18 DEG C of target temperature.The preset temperature may be configured as a value, such as 1 DEG C；It can also be provided that one is permitted
Perhaps value range, such as [- 2 DEG C ,+2 DEG C], are configured according to actual conditions.
According to indoor/outdoor temperature-difference Δ T, the original frequency F of the compressor operating of air conditioner is determined0, control compressor operating to exist
Original frequency F0, while the wind speed that indoor fan is run is reduced to default wind speed, the default wind speed enters for air conditioner
The wind speed of maximum moisture removal, for example, the wind speed that indoor fan is run is reduced to 1%.In the present embodiment, indoor and outdoor will be pre-set
Temperature difference T and original frequency F0Mapping relations, as shown in table 1：
The indoor/outdoor temperature-difference Δ T of table 1. and compressor operating original frequency F0Between corresponding relation
| Δ T=T4-T1(℃) | ≥8 | 7 | 6 | 5 | 4 | ≤3 |
| F0(Hz) | 45 | 45 | 45 | 45 | 35 | 25 |
From upper table 1, when indoor/outdoor temperature-difference Δ T >=8 DEG C, the original frequency F of compressor operating0Maintaining 45Hz
It is constant；When indoor/outdoor temperature-difference Δ T≤3 DEG C, the original frequency F of compressor operating0It is constant to maintain 25Hz；Work as indoor/outdoor temperature-difference
When Δ T is 5 DEG C, 6 DEG C, 7 DEG C, the original frequency F of compressor operating0All it is 45Hz.For example, the indoor environment temperature T detected1
For 24 DEG C, the outdoor environment temperature T that is detected simultaneously by with this4For 30 DEG C, then indoor/outdoor temperature-difference Δ T is obtained as 6 DEG C, so as to need
The original frequency F of compressor operating during control dehumidifying0For 45Hz.It is understood that each value in above-mentioned table 1 can be according to tool
Body situation and flexibly set, limit the present invention.
In air conditioner desiccant cooling running, in order to ensure that Environmental Incubator indoors or temperature decline are very slow,
Need the change to indoor environment temperature to be monitored, i.e., obtain the current indoor environment that indoor temperature transmitter is detected in real time
Temperature, and by the current indoor environment temperature of acquisition compared with target temperature, obtain current indoor environment temperature and target
The temperature difference of temperature, the adjusting condition then met according to the temperature difference of current indoor environment temperature and target temperature, to air conditioner
The operational factor such as the frequency of middle compressor operating and the wind speed of indoor fan is adjusted, and air conditioner is carried out constant temperature and fast
Speed dehumidifying.
The embodiment of the present invention starts indoor fan and operates in maximum moisture removal in air conditioner runs refrigerated dehumidification process
Wind speed, detect indoor environment temperature, when the temperature difference of indoor environment temperature and target temperature is less than preset temperature, sensing chamber's outer shroud
Indoor/outdoor temperature-difference is obtained after the temperature of border, the original frequency of compressor operating, and wind in regulation room are determined further according to indoor/outdoor temperature-difference
The wind speed of machine operation.Then, the adjustment bar met according to the current indoor environment temperature and the temperature difference of target temperature that detect
Part, adjust the operational factor such as the frequency of the compressor operating of air conditioner and the wind speed of indoor fan operation.So as to ensure in air-conditioning
Indoor environment constant temperature or temperature decline very slow in device dehumidification process, but also can lift moisture removal, shorten the dehumidifying time,
It is thus possible to improve user uses the comfortableness of 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.
In order that obtain the mistake for the operational factor that air conditioner is adjusted according to current indoor environment temperature and the temperature difference of target temperature
Cheng Zhong, indoor environment temperature is slowly varying, the comfortableness that user uses air conditioner dehumidification process is improved, in advance by current indoor ring
Border temperature and the temperature difference of target temperature are divided into multiple temperature difference sections, and are located at according to the temperature difference in different temperature difference sections, to sky
The parameter of device is adjusted to carry out different regulations.For example, the temperature difference of current indoor environment temperature and target temperature is divided into T11＞ Ts+
2 DEG C, Ts+1 DEG C of ＜ T11≤ Ts+2 DEG C, Ts-1 DEG C of ＜ T11≤ Ts+1 DEG C, Ts-2 DEG C of ＜ T11≤ Ts-1 DEG C, T11≤ Ts-2 DEG C of grade five
Individual temperature difference section, wherein, T11For current indoor environment temperature, Ts is target temperature.It is understood that the division in temperature difference section
Scope can be set as the case may be and flexibly, not limit the present invention.
Further, as shown in Fig. 2 being based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment,
Above-mentioned steps S50 may include following steps：
Step S51, when the current indoor environment temperature and the temperature difference of target temperature are located at the first preset temperature difference section,
Detect indoor heat exchanger coils temperature；
Step S52, judge whether detected indoor heat exchanger coil temperature is more than corresponding to current indoor environment temperature
Dew-point temperature；
If indoor heat exchanger coil temperature step S53, detected is more than dew point temperature corresponding to current indoor environment temperature
Degree, the frequency that the compressor is currently run increase the first predeterminated frequency value, after the second preset time, are transferred to step
S40；
If indoor heat exchanger coil temperature step S54, detected is less than or equal to corresponding to current indoor environment temperature
Dew-point temperature, the frequency of the compressor operating remain unchanged, and after the 3rd preset time, are transferred to step S40.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the first preset temperature difference section, if so, then being passed by the temperature being installed in indoor heat exchanger coil pipe
Sensor detects indoor heat exchanger coils temperature.It should be noted that the first preset temperature difference section can be Ts-1 DEG C of ＜ T11
≤ Ts+1 DEG C, it also can flexibly be set as the case may be, not limit the present invention.Then the indoor heat exchanger that will be detected
Coil temperature is compared with dew-point temperature corresponding to current indoor environment temperature.
In the present embodiment, the mapping relations of current indoor environment temperature and dew-point temperature will be pre-set, as shown in table 2：
The mapping relations of the current indoor environment temperature of table 2. and dew-point temperature
| T11(℃) | 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 T11Increase, corresponding indoor heat exchanger coil temperature threshold value
TLAlso increase.For example, as the current indoor environment temperature T obtained11For 25 DEG C when, indoor environment temperature T before deserving11Corresponding room
Interior heat exchanger coils temperature threshold TLFor 13.88 DEG C.It is understood that dew-point temperature T corresponding to current indoor environment temperatureL
It can as the case may be and flexibly set, not limit the present invention.
If the indoor heat exchanger coil temperature detected is more than dew-point temperature corresponding to current indoor environment temperature, will compress
The frequency that machine is currently run increases the first predeterminated frequency value.For example, first predeterminated frequency value is 2Hz, according to being obtained after increase
New running frequency be F1=F10+ 2Hz, wherein F10The frequency F currently run for compressor10.It is understood that this
One predeterminated frequency value can be set as the case may be and flexibly, not further herein to be limited.Compressor is according to new operation
After frequency runs the second preset time, the compressor operating of air conditioner is reached stable, continue to obtain current indoor environment temperature
With the temperature difference of target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation performs above-mentioned steps.Need
Bright, second preset time can be 5 minutes, or other times, can flexibly be set according to being actually needed.
If the indoor heat exchanger coil temperature detected is less than or equal to dew-point temperature corresponding to current indoor environment temperature,
Then the frequency of compressor operating remains unchanged, and after the 3rd preset time of operation, air conditioner is maintained stable operation, continue to obtain
The temperature difference of current indoor environment temperature and target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation are held
Row above-mentioned steps.It should be noted that the 3rd preset time can be 5 minutes, or other times, can be according to actual need
Want and flexibly set.
In the present embodiment, when the temperature difference of current indoor environment temperature and target temperature is located at the first preset temperature difference section,
According to the comparative result of indoor heat exchanger coil temperature dew-point temperature corresponding with current indoor environment temperature, regulation compressor fortune
Capable frequency, ensure that indoor heat exchanger coil temperature is less than dew-point temperature, ensure condensation, indoor environment temperature is remained constant
Largely dehumidified simultaneously.
Further, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps
S50 may include：
When the temperature difference of the current indoor environment temperature and target temperature is located at the second preset temperature difference section, will described in
The frequency that compressor is currently run increases the second predeterminated frequency value, after the 4th preset time, is transferred to step S40.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the second preset temperature difference section, if so, then now the refrigerating capacity of air conditioner is smaller, it is necessary to increase compression
The frequency of machine operation, to increase refrigerating capacity, in order to maintain room temperature constant, is effectively dehumidified, therefore compressor is current
The frequency of operation increases the second predeterminated frequency value.It is new according to what is obtained after increase for example, second predeterminated frequency value is 5Hz
Running frequency is F1=F10+ 5Hz, wherein F10The frequency F currently run for compressor10.It is understood that this is second default
Frequency values can be set as the case may be and flexibly, not further herein to be limited.Compressor is transported according to new running frequency
After the preset time of row the 4th, the compressor operating of air conditioner is reached stable, continue to obtain current indoor environment temperature and target
The temperature difference of temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation perform above-mentioned steps.Need what is illustrated
It is that the second preset temperature difference section can be Ts+1 DEG C of ＜ T11≤ Ts+2 DEG C, also can flexibly it be set as the case may be,
Do not limit the present invention.
Further, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps
S50 may include：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 3rd preset temperature difference section, will described in
The frequency that compressor is currently run reduces the 3rd predeterminated frequency value, after the 5th preset time, is transferred to step S40.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 3rd preset temperature difference section, if so, then now the refrigerating capacity of air conditioner is larger, it is necessary to reduce compression
The frequency of machine operation, to reduce refrigerating capacity, the constant of indoor environment temperature is maintained while rapid moisture removal is carried out, therefore will pressure
The frequency that contracting machine is currently run reduces the 3rd predeterminated frequency value.For example, the 3rd predeterminated frequency value is 5Hz, obtained according to after reduction
The new running frequency arrived is F1=F10- 5Hz, wherein F10The frequency F currently run for compressor10.It is understood that should
3rd predeterminated frequency value can be set as the case may be and flexibly, not further herein to be limited.Compressor is according to new fortune
After line frequency runs the 5th preset time, the compressor operating of air conditioner is up to stabilization, now continues to obtain current indoor ring
The temperature difference of border temperature and target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation perform above-mentioned steps.
It should be noted that the 3rd preset temperature difference section can be Ts-2 DEG C of ＜ T11≤ Ts-1 DEG C, it can also enter as the case may be
Row is flexibly set, and does not limit the present invention.
Further, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps
S50 may include：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 4th preset temperature difference section, stopping institute
The operation of compressor is stated, after the 6th preset time, is transferred to step S4.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 4th preset temperature difference section, if so, then now current indoor environment temperature and the temperature of target temperature
Difference is larger, and the refrigerating capacity of air conditioner is very big, causes indoor environment temperature rapid decrease, therefore stops the operation of compressor, makes
Indoor environment temperature has gone up.After compressor the 6th preset time out of service, continue to obtain current indoor environment temperature
With the temperature difference of target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation performs above-mentioned steps.Need
Bright, the 4th preset temperature difference section can be T11DEG C≤Ts-2 DEG C, also can flexibly it be set as the case may be, and
Do not limit the present invention.
Further, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps
S50 may include：
When the temperature difference of the current indoor environment temperature and target temperature is located at the 5th preset temperature difference section, control is empty
Device refrigerating operaton is adjusted, starts indoor fan, detects indoor environment temperature, and be transferred to step S20.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 5th preset temperature difference section, if so, then now current indoor environment temperature and the temperature of target temperature
Difference is larger, it is necessary to control the maintenance refrigerating operaton of air conditioner, indoor environment is less than target temperature, therefore control air conditioner to freeze
Operation, start indoor fan, detect indoor environment temperature in real time, and obtain the temperature difference with target temperature, circulation performs above-mentioned step
Suddenly.It should be noted that the 5th preset temperature difference section can be T11>Ts+2 DEG C, it can also carry out as the case may be flexibly
Set, do not limit the present invention.
Accordingly, as shown in figure 3, proposing a kind of embodiment of air conditioner constant temperature dehumidification control device one of the present invention.The implementation
The air conditioner constant temperature dehumidification control device of example includes：
Detection module 100, for when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, wind in priming chamber
Machine, detect indoor environment temperature；
Indoor/outdoor temperature-difference acquisition module 200, the temperature difference for working as detected indoor environment temperature and target temperature are less than
During preset temperature, indoor/outdoor temperature-difference is obtained；
Determining module 300, for according to the indoor/outdoor temperature-difference, determining the original frequency of compressor operating, and by interior
The wind speed of fan operation is reduced to default wind speed；
Acquisition module 400, for obtaining the temperature difference of current indoor environment temperature and target temperature；
Adjustment module 500, for the regulation met according to the temperature difference of the current indoor environment temperature and target temperature
Condition, adjust the operational factor of air conditioner.
Air conditioner electrifying startup, during into dehumidification mode, air conditioner refrigerating operaton is controlled, starts indoor fan.Work as user
The wind speed of indoor fan operation is configured, indoor fan operates in set wind speed and effectively dehumidified；If user
The wind speed of indoor fan operation is not provided with, indoor fan will operate in the wind speed of acquiescence, with the increase of refrigerating capacity, the acquiescence
Wind speed also increase therewith, conversely, refrigerating capacity is smaller, the wind speed of indoor fan acquiescence operation is also smaller, ensure that air conditioner energy
Enough enter maximum moisture removal.Meanwhile the indoor temperature transmitter by being installed on air conditioner room unit detects refrigeration fortune in real time
Indoor environment temperature during row, and when the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, lead to
Cross the outdoor temperature sensor detection outdoor environment temperature T being installed on air-conditioner outdoor unit4, the outdoor environment temperature that will collect
Spend T4With indoor environment temperature T1It is compared, obtains outdoor environment temperature T4With indoor environment temperature T1Indoor/outdoor temperature-difference Δ
T, i.e. indoor and outdoor payload.
It should be noted that target temperature is the temperature set by user, the target temperature is less than outdoor environment temperature, if
Target temperature set by user is greater than or equal to outdoor environment temperature, and air conditioner can be automatically by target temperature TSIt is reduced to outdoor
Environment temperature T4, 2 DEG C of outdoor environment temperature, i.e. T can be less thanS≤T4- 2 DEG C, the amplitude of cooling can be carried out according to actual conditions
Set, do not do further limitation herein.For example, when outdoor environment temperature is 20 DEG C, and the target temperature set is 26 DEG C, it is empty
Adjust device then by near 18 DEG C of target temperature.The preset temperature may be configured as a value, such as 1 DEG C；It can also be provided that one is permitted
Perhaps value range, such as [- 2 DEG C ,+2 DEG C], are configured according to actual conditions.
According to indoor/outdoor temperature-difference Δ T, the original frequency F of the compressor operating of air conditioner is determined0, control compressor operating to exist
Original frequency F0, while the wind speed that indoor fan is run is reduced to default wind speed, the default wind speed enters for air conditioner
The wind speed of maximum moisture removal, for example, the wind speed that indoor fan is run is reduced to 1%.In the present embodiment, indoor and outdoor will be pre-set
Temperature difference T and original frequency F0Mapping relations, as shown in table 1：
The indoor/outdoor temperature-difference Δ T of table 1. and compressor operating original frequency F0Between corresponding relation
| Δ T=T4-T1(℃) | ≥8 | 7 | 6 | 5 | 4 | ≤3 |
| F0(Hz) | 45 | 45 | 45 | 45 | 35 | 25 |
From upper table 1, when indoor/outdoor temperature-difference Δ T >=8 DEG C, the original frequency F of compressor operating0Maintaining 45Hz
It is constant；When indoor/outdoor temperature-difference Δ T≤3 DEG C, the original frequency F of compressor operating0It is constant to maintain 25Hz；Work as indoor/outdoor temperature-difference
When Δ T is 5 DEG C, 6 DEG C, 7 DEG C, the original frequency F of compressor operating0All it is 45Hz.For example, the indoor environment temperature T detected1
For 24 DEG C, the outdoor environment temperature T that is detected simultaneously by with this4For 30 DEG C, then indoor/outdoor temperature-difference Δ T is obtained as 6 DEG C, so as to need
The original frequency F of compressor operating during control dehumidifying0For 45Hz.It is understood that each value in above-mentioned table 1 can be according to tool
Body situation and flexibly set, limit the present invention.
In air conditioner desiccant cooling running, in order to ensure that Environmental Incubator indoors or temperature decline are very slow,
Need the change to indoor environment temperature to be monitored, i.e., obtain the current indoor environment that indoor temperature transmitter is detected in real time
Temperature, and by the current indoor environment temperature of acquisition compared with target temperature, obtain current indoor environment temperature and target
The temperature difference of temperature, the adjusting condition then met according to the temperature difference of current indoor environment temperature and target temperature, to air conditioner
The operational factor such as the frequency of middle compressor operating and the wind speed of indoor fan is adjusted, and air conditioner is carried out constant temperature and fast
Speed dehumidifying.
The embodiment of the present invention starts indoor fan and operates in maximum moisture removal in air conditioner runs refrigerated dehumidification process
Wind speed, detect indoor environment temperature, when the temperature difference of indoor environment temperature and target temperature is less than preset temperature, sensing chamber's outer shroud
Indoor/outdoor temperature-difference is obtained after the temperature of border, the original frequency of compressor operating, and wind in regulation room are determined further according to indoor/outdoor temperature-difference
The wind speed of machine operation.Then, the adjustment bar met according to the current indoor environment temperature and the temperature difference of target temperature that detect
Part, adjust the operational factor such as the frequency of the compressor operating of air conditioner and the wind speed of indoor fan operation.So as to ensure in air-conditioning
Indoor environment constant temperature or temperature decline very slow in device dehumidification process, but also can lift moisture removal, shorten the dehumidifying time,
It is thus possible to improve user uses the comfortableness of 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, in order that obtaining the operation that air conditioner is adjusted according to current indoor environment temperature and the temperature difference of target temperature
During parameter, indoor environment temperature is slowly varying, improves the comfortableness that user uses air conditioner dehumidification process, in advance ought
The temperature difference of preceding indoor environment temperature and target temperature is divided into multiple temperature difference sections, and is located at different temperature difference sections according to the temperature difference
In, different regulations is carried out to the parameter of air conditioner.As shown in figure 4, in above-mentioned air conditioner constant temperature dehumidification control device, mould is adjusted
Block 500 includes the first adjustment unit 510, the second adjustment unit 520, the 3rd adjustment unit 530, the 4th adjustment unit 540 and the
Five adjustment units 550.
For example, the temperature difference of current indoor environment temperature and target temperature is divided into T11＞ Ts+2 DEG C, Ts+1 DEG C of ＜ T11≤
Ts+2 DEG C, Ts-1 DEG C of ＜ T11≤ Ts+1 DEG C, Ts-2 DEG C of ＜ T11≤ Ts-1 DEG C, T11Five temperature difference sections of≤Ts-2 DEG C of grade, wherein,
T11For current indoor environment temperature, Ts is target temperature.It is understood that the division scope in temperature difference section can be according to specific feelings
Condition and flexibly set, limit the present invention.
Further, as shown in figure 5, above-mentioned first adjustment unit 510 includes：
Detection sub-unit 511, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at preset the
One temperature difference section, detect indoor heat exchanger coils temperature；
Whether judgment sub-unit 512, the indoor heat exchanger coil temperature for judging detected are more than current indoor environment
Dew-point temperature corresponding to temperature；
Regulator unit 513, if being more than current indoor environment temperature pair for the indoor heat exchanger coil temperature detected
The dew-point temperature answered, the frequency that the compressor is currently run increase the first predeterminated frequency value；
If the indoor heat exchanger coil temperature detected is less than or equal to dew-point temperature corresponding to current indoor environment temperature,
The frequency of the compressor operating remains unchanged.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the first preset temperature difference section, if so, then being passed by the temperature being installed in indoor heat exchanger coil pipe
Sensor detects indoor heat exchanger coils temperature.It should be noted that the first preset temperature difference section can be Ts-1 DEG C of ＜ T11
≤ Ts+1 DEG C, it also can flexibly be set as the case may be, not limit the present invention.Then the indoor heat exchanger that will be detected
Coil temperature is compared with dew-point temperature corresponding to current indoor environment temperature.
In the present embodiment, the mapping relations of current indoor environment temperature and dew-point temperature will be pre-set, as shown in table 2：
The mapping relations of the current indoor environment temperature of table 2. and dew-point temperature
| T11(℃) | 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 T11Increase, corresponding indoor heat exchanger coil temperature threshold value
TLAlso increase.For example, as the current indoor environment temperature T obtained11For 25 DEG C when, indoor environment temperature T before deserving11Corresponding room
Interior heat exchanger coils temperature threshold TLFor 13.88 DEG C.It is understood that dew-point temperature T corresponding to current indoor environment temperatureL
It can as the case may be and flexibly set, not limit the present invention.
If the indoor heat exchanger coil temperature detected is more than dew-point temperature corresponding to current indoor environment temperature, will compress
The frequency that machine is currently run increases the first predeterminated frequency value.For example, first predeterminated frequency value is 2Hz, according to being obtained after increase
New running frequency be F1=F10+ 2Hz, wherein F10The frequency F currently run for compressor10.It is understood that this
One predeterminated frequency value can be set as the case may be and flexibly, not further herein to be limited.Compressor is according to new operation
After frequency runs the second preset time, the compressor operating of air conditioner is reached stable, continue to obtain current indoor environment temperature
With the temperature difference of target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation performs above-mentioned steps.Need
Bright, second preset time can be 5 minutes, or other times, can flexibly be set according to being actually needed.
If the indoor heat exchanger coil temperature detected is less than or equal to dew-point temperature corresponding to current indoor environment temperature,
Then the frequency of compressor operating remains unchanged, and after the 3rd preset time of operation, air conditioner is maintained stable operation, continue to obtain
The temperature difference of current indoor environment temperature and target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation are held
Row above-mentioned steps.It should be noted that the 3rd preset time can be 5 minutes, or other times, can be according to actual need
Want and flexibly set.
In the present embodiment, when the temperature difference of current indoor environment temperature and target temperature is located at the first preset temperature difference section,
According to the comparative result of the dew-point temperature of indoor heat exchanger coil temperature fan coil corresponding with current indoor environment temperature, adjust
The frequency of compressor operating is saved, ensures that indoor heat exchanger coil temperature is less than dew-point temperature, ensures condensation, make indoor environment temperature
Largely dehumidified while remaining constant.
Further, the second adjustment unit 520 is specifically used for, when the current indoor environment temperature and target temperature
The temperature difference is located at the second preset temperature difference section, and the frequency that the compressor is currently run increases the second predeterminated frequency value.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the second preset temperature difference section, if so, then now the refrigerating capacity of air conditioner is smaller, it is necessary to increase compression
The frequency of machine operation, to increase refrigerating capacity, in order to maintain room temperature constant, and is effectively dehumidified, therefore compressor is worked as
The frequency of preceding operation increases the second predeterminated frequency value.For example, second predeterminated frequency value is 5Hz, it is new according to what is obtained after increase
Running frequency be F1=F10+ 5Hz, wherein F10The frequency F currently run for compressor10.It is understood that this is second pre-
It is not further herein to be limited if frequency values can be set as the case may be and flexibly.Compressor is according to new running frequency
After running the 4th preset time, the compressor operating of air conditioner is reached stable, continue to obtain current indoor environment temperature and mesh
The temperature difference of temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference are marked, circulation performs above-mentioned steps.Need what is illustrated
It is that the second preset temperature difference section can be Ts+1 DEG C of ＜ T11≤ Ts+2 DEG C, also can flexibly it be set as the case may be,
Do not limit the present invention.
Further, the 3rd adjustment unit 530 is specifically used for, when the current indoor environment temperature and target temperature
The temperature difference is located at the 3rd preset temperature difference section, and the frequency that the compressor is currently run reduces the 3rd predeterminated frequency value.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 3rd preset temperature difference section, if so, then now the refrigerating capacity of air conditioner is larger, it is necessary to reduce compression
The frequency of machine operation, to reduce refrigerating capacity, the constant of indoor environment temperature is maintained while rapid moisture removal is carried out, therefore will pressure
The frequency that contracting machine is currently run reduces the 3rd predeterminated frequency value.For example, the 3rd predeterminated frequency value is 5Hz, obtained according to after reduction
The new running frequency arrived is F1=F10- 5Hz, wherein F10The frequency F currently run for compressor10.It is understood that should
3rd predeterminated frequency value can be set as the case may be and flexibly, not further herein to be limited.Compressor is according to new fortune
After line frequency runs the 5th preset time, the compressor operating of air conditioner is reached stable, continue to obtain current indoor environment temperature
The temperature difference of degree and target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation perform above-mentioned steps.Need
Illustrate, the 3rd preset temperature difference section can be Ts-2 DEG C of ＜ T11≤ Ts-1 DEG C, spirit can be also carried out as the case may be
It is living to set, do not limit the present invention.
Further, the 4th adjustment unit 540 is specifically used for, when the current indoor environment temperature and target temperature
The temperature difference is located at the 4th preset temperature difference section, stops the operation of the compressor.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 4th preset temperature difference section, if so, then now current indoor environment temperature and the temperature of target temperature
Difference is larger, and the refrigerating capacity of air conditioner is very big, causes indoor environment temperature rapid decrease, therefore stops the operation of compressor, makes
Indoor environment temperature has gone up.After compressor the 6th preset time out of service, continue to obtain current indoor environment temperature
With the temperature difference of target temperature, and the operational factor of the big minor adjustment air conditioner according to the temperature difference, circulation performs above-mentioned steps.Need
Bright, the 4th preset temperature difference section can be T11≤ Ts-2 DEG C, also can flexibly it be set as the case may be, not
Limit the present invention.
Further, the 5th adjustment unit 550 is specifically used for, when the current indoor environment temperature and target temperature
The temperature difference is located at the 5th preset temperature difference section, controls air conditioner refrigerating operaton, starts indoor fan, detects indoor environment temperature.
After the temperature difference of current indoor environment temperature and target temperature is obtained, current indoor environment temperature and target temperature are judged
Whether the temperature difference of degree is located at the 5th preset temperature difference section, if so, then now current indoor environment temperature and the temperature of target temperature
Difference is larger, it is necessary to control the maintenance refrigerating operaton of air conditioner, indoor environment is less than target temperature, therefore control air conditioner to freeze
Operation, start indoor fan, detect indoor environment temperature in real time, and obtain the temperature difference with target temperature, circulation performs above-mentioned step
Suddenly.It should be noted that the 5th preset temperature difference section can be T11>Ts+2 DEG C, it can also carry out as the case may be flexibly
Set, do not limit the present invention.
Accordingly, as shown in fig. 6, showing a kind of embodiment of air conditioner one for realizing constant temperature dehumidification control of the present invention.The sky
Adjust device to may include indoor set 1 and outdoor unit 2, indoor heat exchanger and indoor fan can be provided with the indoor set 1；Can in outdoor unit 2
Provided with compressor assembly, four-way valve, outdoor heat exchanger and throttle part etc., wherein compressor assembly, four-way valve, interior is changed
Connected between hot device, outdoor heat exchanger, throttle part by pipeline, form refrigerating/heating circulation loop.Set on the indoor set 1
There is temperature sensor 101, for gathering indoor environment temperature T1；Outdoor unit 2 is provided with temperature sensor 102, for gathering room
External environment temperature T2.In addition, the air conditioner also includes a control device 3, the control device 3 is used to obtain indoor environment temperature T1
With outdoor environment temperature T2, and user setting target temperature Ts, then according to the temperature of indoor environment temperature and target temperature
Difference, indoor/outdoor temperature-difference, adjust the operational factor of air conditioner, and control air conditioner to be run according to the operational factor, reach constant temperature and remove
Wet purpose.Further, coil temperature sensor can be also provided with above-mentioned indoor heat exchanger, for detecting indoor heat exchanger disk
Pipe temperature, and the indoor heat exchanger coil temperature is combined, adjust the operational factor of air conditioner.The concrete structure of the control device and
Operation principle can refer to described in preceding embodiment.
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
The 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 (13)
- A kind of 1. 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：S1, when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, start indoor fan, detect indoor environment temperature Degree；S2, when the indoor environment temperature and the temperature difference of target temperature detected is less than preset temperature, obtain indoor/outdoor temperature-difference；S3, according to the indoor/outdoor temperature-difference, determine the original frequency of compressor operating, and the wind speed that indoor fan is run is reduced to Default wind speed；Default wind speed is the wind speed that air conditioner enters maximum moisture removal；S4, obtain current indoor environment temperature and the temperature difference of target temperature；S5, the adjusting condition met according to the temperature difference of the current indoor environment temperature and target temperature, adjust air conditioner Operational factor.
- 2. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S5 includes：When the current indoor environment temperature and the temperature difference of target temperature are located at the first preset temperature difference section, indoor heat exchange is detected Device coil temperature；Judge whether detected indoor heat exchanger coil temperature is more than coil pipe dew-point temperature corresponding to current indoor environment temperature；If the indoor heat exchanger coil temperature detected is more than coil pipe dew-point temperature corresponding to current indoor environment temperature, by described in The frequency that compressor is currently run increases the first predeterminated frequency value, after the second preset time, is transferred to step S4；If the indoor heat exchanger coil temperature detected is less than or equal to coil pipe dew-point temperature corresponding to current indoor environment temperature, The frequency of the compressor operating remains unchanged, and after the 3rd preset time, is transferred to step S4.
- 3. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S5 includes：When the temperature difference of the current indoor environment temperature and target temperature is located at the second preset temperature difference section, by the compression The frequency that machine is currently run increases the second predeterminated frequency value, after the 4th preset time, is transferred to step S4.
- 4. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S5 includes：When the temperature difference of the current indoor environment temperature and target temperature is located at the 3rd preset temperature difference section, by the compression The frequency that machine is currently run reduces the 3rd predeterminated frequency value, after the 5th preset time, is transferred to step S4.
- 5. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S5 includes：When the temperature difference of the current indoor environment temperature and target temperature is located at the 4th preset temperature difference section, stop the pressure The operation of contracting machine, after the 6th preset time, it is transferred to step S4.
- 6. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S5 includes：When the temperature difference of the current indoor environment temperature and target temperature is located at the 5th preset temperature difference section, control air conditioner Refrigerating operaton, start indoor fan, detect indoor environment temperature, and be transferred to step S2.
- 7. a kind of air conditioner constant temperature dehumidification control device, it is characterised in that the air conditioner constant temperature dehumidification control device includes：Detection module, for when air conditioner enters dehumidification mode, controlling air conditioner refrigerating operaton, start indoor fan, detection Indoor environment temperature；Indoor/outdoor temperature-difference acquisition module, the temperature difference for working as detected indoor environment temperature and target temperature are less than preset temperature When, obtain indoor/outdoor temperature-difference；Determining module, for according to the indoor/outdoor temperature-difference, determining the original frequency of compressor operating, and indoor fan is run Wind speed be reduced to default wind speed；Default wind speed is the wind speed that air conditioner enters maximum moisture removal；Acquisition module, for obtaining the temperature difference of current indoor environment temperature and target temperature；Adjustment module, for the adjusting condition met according to the temperature difference of the current indoor environment temperature and target temperature, adjust Save the operational factor of air conditioner.
- 8. air conditioner constant temperature dehumidification control device as claimed in claim 7, it is characterised in that the adjustment module includes first Adjustment unit, first adjustment unit include：Detection sub-unit, it is located at the first preset temperature difference area for the temperature difference when the current indoor environment temperature and target temperature Between, detect indoor heat exchanger coils temperature；Judgment sub-unit, for judging it is corresponding whether detected indoor heat exchanger coil temperature is more than current indoor environment temperature Coil pipe dew-point temperature；Regulator unit, if being more than coil pipe corresponding to current indoor environment temperature for the indoor heat exchanger coil temperature detected Dew-point temperature, the frequency that the compressor is currently run increase the first predeterminated frequency value；If the indoor heat exchanger coil temperature detected is less than or equal to coil pipe dew-point temperature corresponding to current indoor environment temperature, The frequency of the compressor operating remains unchanged.
- 9. air conditioner constant temperature dehumidification control device as claimed in claim 7, it is characterised in that the adjustment module includes：Second adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at the second preset temperature Poor section, the frequency that the compressor is currently run increase the second predeterminated frequency value.
- 10. air conditioner constant temperature dehumidification control device as claimed in claim 7, it is characterised in that the adjustment module includes：3rd adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at the 3rd preset temperature Poor section, the frequency that the compressor is currently run reduce the 3rd predeterminated frequency value.
- 11. air conditioner constant temperature dehumidification control device as claimed in claim 7, it is characterised in that the adjustment module includes：4th adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at the 4th preset temperature Poor section, stop the operation of the compressor.
- 12. air conditioner constant temperature dehumidification control device as claimed in claim 7, it is characterised in that the adjustment module includes：5th adjustment unit, for when the temperature difference of the current indoor environment temperature and target temperature is positioned at the 5th preset temperature Poor section, air conditioner refrigerating operaton is controlled, start indoor fan, detect indoor environment temperature.
- A kind of 13. air conditioner, it is characterised in that the air conditioner is provided with indoor temperature transmitter and outdoor temperature sensor, The indoor temperature transmitter is used to gather indoor environment temperature, the outdoor temperature sensor for gathering outdoor environment temperature Degree, the air conditioner also include the control device of the air conditioner constant temperature dehumidification as described in claim any one of 7-12, control dress Put for reference to indoor environment temperature, target temperature, outdoor environment temperature, adjusting the operational factor of air conditioner, and control air-conditioning Device is run according to the operational factor.
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| CN103375876A (en) * | 2012-04-25 | 2013-10-30 | 珠海格力电器股份有限公司 | Air conditioner, control method and device for air conditioner and dehumidification control method for air conditioner |
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| CN104406251A (en) * | 2014-11-13 | 2015-03-11 | 广东美的制冷设备有限公司 | Dehumidification method for air conditioner and air conditioner |
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| CN103032933A (en) * | 2011-09-30 | 2013-04-10 | 珠海格力电器股份有限公司 | Relative humidity control method and relative humidity controller for inverter air conditioners |
| CN103375876A (en) * | 2012-04-25 | 2013-10-30 | 珠海格力电器股份有限公司 | Air conditioner, control method and device for air conditioner and dehumidification control method for air conditioner |
| CN104236008A (en) * | 2013-06-21 | 2014-12-24 | 海尔集团公司 | Air conditioner and automatic control method for operational mode thereof |
| CN104374037A (en) * | 2013-08-14 | 2015-02-25 | 珠海格力电器股份有限公司 | Variable frequency air conditioner and control method and device thereof |
| CN104406251A (en) * | 2014-11-13 | 2015-03-11 | 广东美的制冷设备有限公司 | Dehumidification method for air conditioner and air conditioner |
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