CN104776555B - Constant temperature dehumidification controlling method for air conditioner and device - Google Patents

Constant temperature dehumidification controlling method for air conditioner and device Download PDF

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Publication number
CN104776555B
CN104776555B CN201510120030.0A CN201510120030A CN104776555B CN 104776555 B CN104776555 B CN 104776555B CN 201510120030 A CN201510120030 A CN 201510120030A CN 104776555 B CN104776555 B CN 104776555B
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temperature
temperature difference
air conditioner
interval
indoor
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CN104776555A (en
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席战利
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature

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, and detect indoor environment temperature and outdoor environment temperature;Obtain the temperature difference △ Tf of indoor environment temperature and outdoor environment temperature, and indoor environment temperature and design temperature temperature difference △ Tc;According to the temperature difference △ Tf and temperature difference △ Tc, the current frequency of compressor operating is determined;According to the temperature difference △ Tf and temperature difference △ Tc, the current wind speed of indoor fan operation is determined;According to identified current frequency and current wind speed, control air conditioner operation.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

Constant temperature dehumidification controlling method for air conditioner and device
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 is in refrigerated dehumidification running, when indoor/outdoor temperature-difference is larger, can just be realized by commonly dehumidifying Refrigeration and dehumidification function;But when indoor/outdoor temperature-difference is smaller, the quick of room temperature will be caused by common dehumanization method Decline, 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:
S1, when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, and detect indoor environment temperature and outdoor Environment temperature;
S2, the temperature difference T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment temperature and indoor mesh Mark the temperature difference T of temperatureC
S3, according to the temperature difference TfAnd the temperature difference TC, determine the current frequency of compressor operating;
S4, according to the temperature difference TfAnd the temperature difference TC, determine the current wind speed of indoor fan operation;
S5, according to identified current frequency and current wind speed, control air conditioner operation.
Preferably, in the step S1 when air conditioner enters dehumidification mode, control air conditioner operation refrigeration 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 preset temperature, continue heating operation first and preset After time, air conditioner refrigerating operaton is controlled.
Preferably, the step S3 includes:
By the temperature difference TfMatched with default first temperature difference interval, determine the temperature difference TfThe temperature difference at place It is interval;
By the temperature difference TCMatched with default second temperature difference interval, determine the Δ TCThe temperature difference at place is interval;
, will be with according to first temperature difference is interval, the interval mapping relations with compressor operating frequency of second temperature difference The temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding frequency of the temperature difference at place is defined as compressor operating Current frequency.
Preferably, the step S4 includes:
By the temperature difference TfMatched with default first temperature difference interval, determine the temperature difference TfThe temperature difference at place It is interval;
By the temperature difference TCMatched with default second temperature difference interval, determine the Δ TCThe temperature difference at place is interval;
, will be with institute according to first temperature difference is interval, the interval mapping relations with indoor fan wind speed of second temperature difference State temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding wind speed of the temperature difference at place is defined as indoor fan operation Current wind speed.
Preferably, it is described according to identified current frequency and current wind speed, also include after control air conditioner operation:
After S6, the preset time of air conditioner continuous service second, detection indoor environment temperature and outdoor environment temperature, and return 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, and detect indoor environment Temperature and outdoor environment temperature;
Acquisition module, the temperature difference T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment temperature The temperature difference T of degree and design temperatureC
Frequency determining module, for according to the temperature difference TfAnd the temperature difference TC, determine the current frequency of compressor operating Rate;
Wind speed determining module, for according to the temperature difference Tf and temperature difference Tc, determining working as indoor fan operation Preceding wind speed;
Control module, for according to identified current frequency and current wind speed, control air conditioner operation.
Preferably, the detection module includes:
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, then 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 preset temperature, continue heating operation first and preset After time, air conditioner refrigerating operaton is controlled.
Preferably, the frequency determining module includes:
Temperature difference TfInterval determination unit, for by the temperature difference TfMatched with default first temperature difference interval, really The fixed temperature difference TfThe temperature difference at place is interval;
Temperature difference TCInterval determination unit, for by the temperature difference TCMatched with default second temperature difference interval, really The fixed Δ TCThe temperature difference at place is interval;
Frequency determinative elements, for according to first temperature difference is interval, second temperature difference it is interval with compressor operating frequency The mapping relations of rate, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding frequency of the temperature difference at place is true It is set to the current frequency of compressor operating.
Preferably, the wind speed determining module includes:
Temperature difference TfInterval determination unit, for by the temperature difference TfMatched with default first temperature difference interval, really The fixed temperature difference TfThe temperature difference at place is interval;
Temperature difference TCInterval determination unit, for by the temperature difference TCMatched with default second temperature difference interval, really The fixed Δ TCThe temperature difference at place is interval;
Wind speed determining unit, for according to first temperature difference is interval, second temperature difference it is interval with indoor fan wind speed Mapping relations, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding wind speed of the temperature difference at place is determined The current wind speed run for indoor fan.
Preferably, the air conditioner constant temperature dehumidification control device also includes:
Loop detection module, after the preset time of air conditioner continuous service second, detection indoor environment temperature and outdoor Environment temperature, and obtain the temperature difference of indoor environment temperature and outdoor environment temperature, and indoor environment temperature and indoor objects temperature The temperature difference of degree.
The embodiment of the present invention obtains indoor environment temperature and outdoor by detecting indoor environment temperature and outdoor environment temperature The temperature difference T of environment temperaturef, and indoor environment temperature and the temperature difference T of indoor target temperatureC;According to the temperature difference TfAnd institute State temperature difference TC, the current frequency of compressor operating is determined, and determine the current wind speed of indoor fan operation;Dynamic control air-conditioning The frequency of compressor operating and the wind speed of indoor fan operation in device dehumidification process, it is achieved thereby that air conditioner is in dehumidification process Indoor environment constant temperature or temperature drop are very slow, but also improve moisture removal;In addition, it is not necessary that increase dehumidification valve etc. zero Part, reduces the dehumidifying cost of air conditioner.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of constant temperature dehumidification controlling method for air conditioner first embodiment 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 The refinement schematic flow sheet of refrigerating operaton;
The refinement schematic flow sheet that Fig. 3 is step S3 in constant temperature dehumidification controlling method for air conditioner first embodiment of the present invention;
The refinement schematic flow sheet that Fig. 4 is step S4 in constant temperature dehumidification controlling method for air conditioner first embodiment of the present invention;
Fig. 5 is the schematic flow sheet of constant temperature dehumidification controlling method for air conditioner second embodiment of the present invention;
Fig. 6 is the high-level schematic functional block diagram of air conditioner constant temperature dehumidification control device first embodiment of the present invention;
Fig. 7 is the functional module signal of detection module in air conditioner constant temperature dehumidification control device first embodiment of the present invention Figure;
Fig. 8 is that the functional module of frequency determining module in air conditioner constant temperature dehumidification control device first embodiment of the present invention is shown It is intended to;
Fig. 9 is that the functional module of wind speed determining module in air conditioner constant temperature dehumidification control device first embodiment of the present invention is shown It is intended to;
Figure 10 is the high-level schematic functional block diagram of air conditioner constant temperature dehumidification control device second embodiment 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 present invention essential core thought be, air conditioner in refrigerated dehumidification running, by indoor environment temperature with The temperature difference of outdoor environment temperature, and indoor environment temperature and indoor target temperature the temperature difference, determine the current of compressor operating Frequency, and determine the current wind speed of indoor fan operation;Control the frequency of compressor operating and interior in air conditioner dehumidification process The wind speed of fan operation, therefore rapid moisture removal can be realized, while making indoor environment constant temperature in dehumidification process or very slow Cooling, improves the comfortableness that user uses air conditioner dehumidification process;In addition, it is not necessary that the parts of increase air conditioner, Ke Yiman The cost of foot reduction air conditioner dehumidifying.
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, when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, and detect indoor environment temperature And outdoor environment temperature;
Step S20, the temperature difference T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment temperature and room The temperature difference T of interior target temperatureC
Step S30, according to the temperature difference TfAnd the temperature difference TC, determine the current frequency of compressor operating;
Step S40, according to the temperature difference TfAnd the temperature difference TC, determine the current wind speed of indoor fan operation;
Step S50, according to identified current frequency and current wind speed, control air conditioner operation.
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, after indoor environment temperature is stable, wakes up the register module note in air conditioner on main controller Record the indoor environment temperature;And outdoor environment temperature is detected by the outdoor temperature sensor being installed on air-conditioner outdoor unit; Obtained indoor environment temperature and outdoor environment temperature are compared, the temperature of indoor environment temperature and outdoor environment temperature is obtained Poor Δ Tf;Meanwhile, indoor environment temperature is compared with indoor target temperature, indoor environment temperature and indoor target temperature is obtained Difference DELTA TC;According to temperature difference Tf, temperature difference TCThe compressor operating that mapping relations between the frequency of compressor operating are obtained Current frequency, and control compressor operating frequency in this prior;And according to temperature difference Tf, temperature difference TCRun with indoor fan Wind speed between mapping relations obtain the current wind speed of indoor fan operation, and control indoor fan to operate in the current wind Speed, control air conditioner operation.
The embodiment of the present invention is by air conditioner when refrigerated dehumidification is run, and indoor temperature transmitter detects indoor environment temperature Degree, outdoor temperature sensor detection outdoor environment temperature, obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturef, with And indoor environment temperature and the temperature difference T of indoor target temperatureC, and according to temperature difference TfAnd temperature difference TC, control air conditioner dehumidifying During compressor operating frequency and the wind speed of indoor set, so as to realize increasing moisture removal, carry out rapid moisture removal, simultaneously Make indoor environment constant temperature or very slow cooling in dehumidification process, do not result in room temperature dramatic decrease, improve user Use the comfortableness of air conditioner dehumidification process;In addition, it is not necessary that increase hardware cost, meets the cost for reducing air conditioner dehumidifying.
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 is further comprising the steps of:
Step S11, air conditioner enter dehumidification mode when, detect indoor environment temperature;
Step S12, judge the indoor environment temperature whether be 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 preset temperature, continue heating operation After first 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, default on air conditioner can also be pressed 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 the preset temperature can be 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 first, control is empty Adjust device refrigerating operaton.First preset time be in order that air conditioner operation the temperature to be reached can keep stably, for example, It may be configured as 5 minutes, also can flexibly be set.When controlling air conditioner refrigerating operaton, indoor fan operates in default initial Wind speed, realizes constant temperature and rapid moisture removal.
Further, in order to pass through temperature difference Tf, temperature difference TCThe frequency of compressor operating can be rationally controlled, respectively will Temperature difference TfWith temperature difference TCFour temperature difference intervals are divided into, and mapping relations are formed with the frequency of compressor operating.Such as Fig. 3 institutes Show, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps S30 comprises the following steps:
Step S31, by the temperature difference TfMatched with default first temperature difference interval, determine the temperature difference TfInstitute The temperature difference it is interval;
Step S32, by the temperature difference TCMatched with default second temperature difference interval, determine the Δ TCPlace The temperature difference is interval;
Step S33, according to first temperature difference is interval, the interval mapping with compressor operating frequency of second temperature difference is closed System, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding frequency of the temperature difference at place is defined as compressor The current frequency of operation.
By detecting indoor environment temperature T1With outdoor environment temperature T4, obtain indoor environment temperature T1With outdoor environment temperature Spend T4Temperature difference Tf=T4-T1Afterwards, by temperature difference TfMatched with default first temperature difference interval, determine the temperature difference Tf The temperature difference at place is interval;Obtain indoor environment temperature T1With indoor target temperature TSTemperature difference TC=T1-TS, by temperature difference TCWith Default second temperature difference interval is matched, and determines Δ TCThe temperature difference at place is interval.It should be noted that first temperature difference is interval For by temperature difference TfIt is divided into Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf6 DEG C of <, 6 DEG C≤Δ TfFour of 8 DEG C of < The temperature difference is interval;Second temperature difference interval is by temperature difference TCIt is divided into Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤Δ TC< 6 ℃、ΔTC>=6 DEG C of four temperature difference intervals.Reflected according to first temperature difference interval, second temperature difference interval with compressor operating frequency Relation is penetrated, will be with temperature difference TfThe temperature difference at place is interval, Δ TCThe interval corresponding frequency of the temperature difference at place is defined as compressor operating Current frequency.
In the present embodiment, temperature difference Tf, temperature difference TCMapping relations between the current frequency F of compressor operating, such as Shown in table 1:
The temperature difference T of table 1.f, temperature difference TCWith the current frequency F of compressor operating mapping relations
From upper table 1, each temperature difference TfInterval and temperature difference TCInterval Corresponding matching has a frequency F, in temperature difference TfFour intervals in any one, the temperature difference T being corresponding in turn toCInterval Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤ ΔTC6 DEG C of <, Δ TCIn >=6 DEG C of four intervals, the current frequency F of compressor operating is accordingly incremented by successively;In temperature difference TCFour In any one in individual interval, the temperature difference T being corresponding in turn tofInterval Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf< 6 ℃、6℃≤ΔTfIn < 8 DEG C of four intervals, the current frequency F of compressor operating is accordingly incremented by successively.It is understood that on Stating the interval division in table 1 and each value can be set as the case may be and flexibly, not limit the present invention.
According to temperature difference Tf, temperature difference TCThe compressor operating that mapping relations between the frequency of compressor operating are obtained Current frequency F, control air conditioner compressor operating the current frequency.For example, the indoor target temperature that user is set For 24 DEG C, the indoor environment temperature that indoor temperature transmitter is detected is 26 DEG C, the outdoor ring that outdoor temperature sensor is detected Border temperature is 30 DEG C, then obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturefFor 4 DEG C, with interval 4 DEG C≤Δ Tf< 6 DEG C of matchings;The temperature difference T of indoor environment temperature and indoor target temperatureCFor 2 DEG C, with interval 2 DEG C≤Δ TC4 DEG C of matchings of <;It is logical Table 1 is crossed to understand, it is necessary to which the current frequency F for controlling compressor operating is 60Hz.Each value in upper table 1 can be according to specific circumstances And flexibly set, do not limit the present invention.Determine temperature difference Tf, temperature difference TCAfterwards, then compressor operating can be determined according to upper table 1 Current frequency.
Further, in order to pass through temperature difference Tf, temperature difference TCThe wind speed that can rationally control indoor fan to run, respectively By temperature difference TfWith temperature difference TCIt is divided into four temperature difference intervals, and the wind speed formation mapping relations run with indoor fan.As schemed Shown in 4, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, above-mentioned steps S40 includes following step Suddenly:
Step S41, by the temperature difference TfMatched with default first temperature difference interval, determine the temperature difference TfInstitute The temperature difference it is interval;
Step S42, by the temperature difference TCMatched with default second temperature difference interval, determine the Δ TCPlace The temperature difference is interval;
Step S43, according to first temperature difference is interval, the interval mapping with indoor fan wind speed of second temperature difference is closed System, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding wind speed of the temperature difference at place is defined as indoor wind The current wind speed of machine operation.
By detecting indoor environment temperature T1With outdoor environment temperature T4, obtain indoor environment temperature T1With outdoor environment temperature Spend T4Temperature difference Tf=T4-T1Afterwards, by temperature difference TfMatched with default first temperature difference interval, determine the temperature difference Tf The temperature difference at place is interval;Obtain indoor environment temperature T1With indoor target temperature TSTemperature difference TC=T1-TS, by temperature difference TCWith Default second temperature difference interval is matched, and determines Δ TCThe temperature difference at place is interval.It should be noted that first temperature difference is interval For by temperature difference TfIt is divided into Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf6 DEG C of <, 6 DEG C≤Δ TfFour of 8 DEG C of < The temperature difference is interval;Second temperature difference interval is by temperature difference TCIt is divided into Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤Δ TC< 6 ℃、ΔTC>=6 DEG C of four temperature difference intervals.Reflected according to first temperature difference interval, second temperature difference interval with compressor operating frequency Relation is penetrated, will be with temperature difference TfThe temperature difference at place is interval, Δ TCThe interval corresponding wind speed of the temperature difference at place is defined as indoor fan fortune Capable current wind speed.
In the present embodiment, temperature difference Tf, temperature difference TCMapping relations between the current wind speed V run with indoor fan As shown in table 2:
The temperature difference T of table 2f, temperature difference TCThe current wind speed V run with indoor fan mapping relations
From upper table 2, each temperature difference TfInterval and temperature difference TCMidpoint crossing matching has a wind speed V, in interval Δ TCIn 2 DEG C of <, the current wind speed V of indoor fan operation is not by temperature difference TfInfluence, and maintain 1% wind speed it is constant;In interval ΔTfIn 2 DEG C of <, the current wind speed V of indoor fan operation is not by temperature difference TCInfluence, and maintain 1% wind speed it is constant.Can be with Understand, the interval division and each value in above-mentioned table 2 can be set as the case may be and flexibly, not limit the present invention.
According to temperature difference Tf, temperature difference TCMapping relations between the wind speed run with indoor fan obtain indoor fan fortune Capable current wind speed V, the indoor fan of control air conditioner runs wind speed in this prior.For example, the indoor objects temperature that user is set Spend for 24 DEG C, the indoor environment temperature that indoor temperature transmitter is detected is 26 DEG C, the outdoor that outdoor temperature sensor is detected Environment temperature is 30 DEG C, then obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturefFor 4 DEG C, with interval 4 DEG C≤Δ Tf 6 DEG C of matchings of <;The temperature difference T of indoor environment temperature and indoor target temperatureCFor 2 DEG C, with interval 2 DEG C≤Δ TC4 DEG C of matchings of <; Understood by table 2, it is necessary to which the current wind speed V for controlling indoor fan to run is 10%.Each value in upper table 2 can be according to specific Situation and flexibly set, limit the present invention.Determine temperature difference Tf, temperature difference TCAfterwards, then can be according to upper table 2, it is determined that indoor wind The current wind speed of machine operation.
Further, the invention also provides a kind of constant temperature dehumidification controlling method for air conditioner second embodiment.Such as Fig. 5 institutes Show, based on above-described embodiment, in the constant temperature dehumidification controlling method for air conditioner of the embodiment, also include after above-mentioned steps S50:
After step S60, the preset time of air conditioner continuous service second, detection indoor environment temperature and outdoor environment temperature, And return to step S20.
According to the current wind speed for current frequency and the indoor fan operation for determining compressor operating, control air conditioner operation; In order that air conditioner stable operation it is determined that compressor operating current frequency and indoor fan operation current wind speed, meanwhile, The frequency of the compressor operating of control air conditioner and the wind speed of indoor fan operation are monitored and adjusted in real time;Air conditioner needs to continue Run after the second preset time, then indoor environment temperature is detected by indoor temperature transmitter, and pass through outdoor temperature sensor Outdoor environment temperature is detected, the temperature difference T of indoor environment temperature and outdoor environment temperature is obtainedf, and indoor environment temperature with The temperature difference T of indoor target temperatureCCirculation performs above-mentioned steps S20 to step S60.Second preset time is preferably 2 minutes, It can also flexibly set according to actual needs, not do further limitation herein.
Accordingly, as shown in fig. 6, 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:
Detection module 100, for when air conditioner enters dehumidification mode, controlling air conditioner refrigerating operaton, and detect interior Environment temperature and outdoor environment temperature;
Acquisition module 200, the temperature difference T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment The temperature difference T of temperature and design temperatureC
Frequency determining module 300, for according to the temperature difference TfAnd the temperature difference TC, determine working as compressor operating Preceding frequency;
Wind speed determining module 400, for according to the temperature difference Tf and temperature difference Tc, determining indoor fan operation Current wind speed;
Control module 500, for according to identified current frequency and current wind speed, control air conditioner operation.
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, after indoor environment temperature is stable, wakes up the register module note in air conditioner on main controller Record the indoor environment temperature;And outdoor environment temperature is detected by the outdoor temperature sensor being installed on air-conditioner outdoor unit; Obtained indoor environment temperature and outdoor environment temperature are compared, the temperature of indoor environment temperature and outdoor environment temperature is obtained Poor Δ Tf;Meanwhile, indoor environment temperature is compared with indoor target temperature, indoor environment temperature and indoor target temperature is obtained Difference DELTA TC;And according to temperature difference Tf, temperature difference TCThe compressor fortune that mapping relations between the frequency of compressor operating are obtained Capable current frequency, and control compressor operating frequency in this prior;And according to temperature difference Tf, temperature difference TCTransported with indoor fan Mapping relations between capable wind speed obtain the current wind speed of indoor fan operation, and control indoor fan to operate in the current wind Speed, control air conditioner operation.
The embodiment of the present invention is by air conditioner when refrigerated dehumidification is run, and indoor temperature transmitter detects indoor environment temperature Degree, outdoor temperature sensor detection outdoor environment temperature, obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturef, with And indoor environment temperature and the temperature difference T of indoor target temperatureC, and according to temperature difference TfAnd temperature difference TC, control air conditioner dehumidifying During compressor operating frequency and the wind speed of indoor set, so as to realize increasing moisture removal, carry out rapid moisture removal, simultaneously Make indoor environment constant temperature or very slow cooling in dehumidification process, do not result in room temperature dramatic decrease, improve user Use the comfortableness of air conditioner dehumidification process;In addition, it is not necessary that increase hardware cost, meets the cost for reducing air conditioner dehumidifying.
Further, as shown in fig. 7, detection module 100 includes in above-mentioned air conditioner constant temperature dehumidification control device:
Detection unit 110, for when air conditioner enters dehumidification mode, detecting indoor environment temperature;
Judging unit 120, for judging whether the 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, then controls empty Adjust 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 preset temperature, continue heating operation first and preset After 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, default on air conditioner can also be pressed 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 the preset temperature can be 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 first, control is empty Adjust device refrigerating operaton.First preset time be in order that air conditioner operation the temperature to be reached can keep stably, for example, It may be configured as 5 minutes, also can flexibly be set.When controlling air conditioner refrigerating operaton, indoor fan operates in default initial Wind speed, realizes constant temperature and rapid moisture removal.
Further, in order to pass through temperature difference Tf, temperature difference TCThe frequency of compressor operating can be rationally controlled, respectively will Temperature difference TfWith temperature difference TCFour temperature difference intervals are divided into, and mapping relations are formed with the frequency of compressor operating.Such as Fig. 8 institutes Show, frequency determining module 300 includes in above-mentioned air conditioner constant temperature dehumidification control device:
Temperature difference TfInterval determination unit 310, for by the temperature difference TfWith the progress of default first temperature difference interval Match somebody with somebody, determine the temperature difference TfThe temperature difference at place is interval;
Temperature difference TCInterval determination unit 320, for by the temperature difference TCWith the progress of default second temperature difference interval Match somebody with somebody, determine the Δ TCThe temperature difference at place is interval;
Frequency determinative elements 330, for according to first temperature difference is interval, second temperature difference is interval and compressor operating The mapping relations of frequency, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding frequency of the temperature difference at place It is defined as the current frequency of compressor operating.
By detecting indoor environment temperature T1With outdoor environment temperature T4, obtain indoor environment temperature T1With outdoor environment temperature Spend T4Temperature difference Tf=T4-T1Afterwards, by temperature difference TfMatched with default first temperature difference interval, determine the temperature difference Tf The temperature difference at place is interval;Obtain indoor environment temperature T1With indoor target temperature TSTemperature difference TC=T1-TS, by temperature difference TCWith Default second temperature difference interval is matched, and determines Δ TCThe temperature difference at place is interval.It should be noted that first temperature difference is interval For by temperature difference TfIt is divided into Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf6 DEG C of <, 6 DEG C≤Δ TfFour of 8 DEG C of < The temperature difference is interval;Second temperature difference interval is by temperature difference TCIt is divided into Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤Δ TC< 6 ℃、ΔTC>=6 DEG C of four temperature difference intervals.Reflected according to first temperature difference interval, second temperature difference interval with compressor operating frequency Relation is penetrated, will be with temperature difference TfThe temperature difference at place is interval, Δ TCThe interval corresponding frequency of the temperature difference at place is defined as compressor operating Current frequency.
In the present embodiment, temperature difference Tf, temperature difference TCMapping relations between the current frequency F of compressor operating, such as Shown in table 1:
The temperature difference T of table 1.f, temperature difference TCWith the current frequency F of compressor operating mapping relations
From upper table 1, each temperature difference TfInterval and temperature difference TCMidpoint crossing is to that should have a frequency F, in temperature difference TfFour intervals in any one, the temperature difference T being corresponding in turn toCInterval Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤ ΔTC6 DEG C of <, Δ TCIn >=6 DEG C of four intervals, the current frequency F of compressor operating is accordingly incremented by successively;In temperature difference TCFour In any one in individual interval, the temperature difference T being corresponding in turn tofInterval Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf< 6 ℃、6℃≤ΔTfIn < 8 DEG C of four intervals, the current frequency F of compressor operating is accordingly incremented by successively.It is understood that on Stating the interval division in table 1 and each value can be set as the case may be and flexibly, not limit the present invention.
According to temperature difference Tf, temperature difference TCThe compressor operating that mapping relations between the frequency of compressor operating are obtained Current frequency F, control air conditioner compressor operating the current frequency.For example, the indoor target temperature that user is set For 24 DEG C, the indoor environment temperature that indoor temperature transmitter is detected is 26 DEG C, the outdoor ring that outdoor temperature sensor is detected Border temperature is 30 DEG C, then obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturefFor 4 DEG C, with interval 4 DEG C≤Δ Tf< 6 DEG C of matchings;The temperature difference T of indoor environment temperature and indoor target temperatureCFor 2 DEG C, with interval 2 DEG C≤Δ TC4 DEG C of matchings of <;It is logical Table 1 is crossed to understand, it is necessary to which the current frequency F for controlling compressor operating is 60Hz.Each value in upper table 1 can be according to specific circumstances And flexibly set, do not limit the present invention.Determine temperature difference Tf, temperature difference TCAfterwards, then compressor operating can be determined according to upper table 1 Current frequency.
Further, in order to pass through temperature difference Tf, temperature difference TCThe wind speed that can rationally control indoor fan to run, respectively By temperature difference TfWith temperature difference TCIt is divided into four temperature difference intervals, and the wind speed formation mapping relations run with indoor fan.As schemed Shown in 9, wind speed determining module 400 includes in above-mentioned air conditioner constant temperature dehumidification control device:
Temperature difference TfInterval determination unit 410, for by the temperature difference TfWith the progress of default first temperature difference interval Match somebody with somebody, determine the temperature difference TfThe temperature difference at place is interval;
Temperature difference TCInterval determination unit 420, for by the temperature difference TCWith the progress of default second temperature difference interval Match somebody with somebody, determine the Δ TCThe temperature difference at place is interval;
Wind speed determining unit 430, for according to first temperature difference is interval, second temperature difference it is interval with indoor fan wind The mapping relations of speed, will be with the temperature difference TfThe temperature difference at place is interval, the Δ TCThe interval corresponding wind speed of the temperature difference at place is true It is set to the current wind speed of indoor fan operation.
By detecting indoor environment temperature T1With outdoor environment temperature T4, obtain indoor environment temperature T1With outdoor environment temperature Spend T4Temperature difference Tf=T4-T1Afterwards, by temperature difference TfMatched with default first temperature difference interval, determine the temperature difference Tf The temperature difference at place is interval;Obtain indoor environment temperature T1With indoor target temperature TSTemperature difference TC=T1-TS, by temperature difference TCWith Default second temperature difference interval is matched, and determines Δ TCThe temperature difference at place is interval.It should be noted that first temperature difference is interval For by temperature difference TfIt is divided into Δ Tf2 DEG C of <, 2 DEG C≤Δ Tf4 DEG C of <, 4 DEG C≤Δ Tf6 DEG C of <, 6 DEG C≤Δ TfFour of 8 DEG C of < The temperature difference is interval;Second temperature difference interval is by temperature difference TCIt is divided into Δ TC2 DEG C of <, 2 DEG C≤Δ TC4 DEG C of <, 4 DEG C≤Δ TC< 6 ℃、ΔTC>=6 DEG C of four temperature difference intervals.Reflected according to first temperature difference interval, second temperature difference interval with compressor operating frequency Relation is penetrated, will be with temperature difference TfThe temperature difference at place is interval, Δ TCThe interval corresponding wind speed of the temperature difference at place is defined as indoor fan fortune Capable current wind speed.
In the present embodiment, temperature difference Tf, temperature difference TCMapping relations between the current wind speed V run with indoor fan As shown in table 2:
The temperature difference T of table 2f, temperature difference TCThe current wind speed V run with indoor fan mapping relations
From upper table 2, each temperature difference TfInterval and temperature difference TCInterval Corresponding matching has a wind speed V, in interval Δ TCIn 2 DEG C of <, the current wind speed V of indoor fan operation is not by temperature difference TfInfluence, and maintain 1% wind speed it is constant;In interval ΔTfIn 2 DEG C of <, the current wind speed V of indoor fan operation is not by temperature difference TCInfluence, and maintain 1% wind speed it is constant.Can be with Understand, the interval division and each value in above-mentioned table 2 can be set as the case may be and flexibly, not limit the present invention.
According to temperature difference Tf, temperature difference TCMapping relations between the wind speed run with indoor fan obtain indoor fan fortune Capable current wind speed V, the indoor fan of control air conditioner runs wind speed in this prior.For example, the indoor objects temperature that user is set Spend for 24 DEG C, the indoor environment temperature that indoor temperature transmitter is detected is 26 DEG C, the outdoor that outdoor temperature sensor is detected Environment temperature is 30 DEG C, then obtains the temperature difference T of indoor environment temperature and outdoor environment temperaturefFor 4 DEG C, with interval 4 DEG C≤Δ Tf 6 DEG C of matchings of <;The temperature difference T of indoor environment temperature and indoor target temperatureCFor 2 DEG C, with interval 2 DEG C≤Δ TC4 DEG C of matchings of <; Understood by table 2, it is necessary to which the current wind speed V for controlling indoor fan to run is 10%.Each value in upper table 2 can be according to specific Situation and flexibly set, limit the present invention.Determine temperature difference Tf, temperature difference TCAfterwards, then can be according to upper table 2, it is determined that indoor wind The current wind speed of machine operation.
Further, as shown in Figure 10, a kind of air conditioner constant temperature dehumidification control device second embodiment of the invention is proposed.Base In above-described embodiment, the air conditioner constant temperature dehumidification control device of the embodiment also includes:
Loop detection module 600, after the preset time of air conditioner continuous service second, detection indoor environment temperature and room External environment temperature, and obtain the temperature difference of indoor environment temperature and outdoor environment temperature, and indoor environment temperature and indoor objects The temperature difference of temperature.
According to the current wind speed for current frequency and the indoor fan operation for determining compressor operating, control air conditioner operation; In order that air conditioner stable operation it is determined that compressor operating current frequency and indoor fan operation current wind speed, meanwhile, The frequency of the compressor operating of control air conditioner and the wind speed of indoor fan operation are monitored and adjusted in real time;Air conditioner needs to continue Run after the second preset time, then indoor environment temperature is detected by indoor temperature transmitter, and pass through outdoor temperature sensor Outdoor environment temperature is detected, the temperature difference T of indoor environment temperature and outdoor environment temperature is obtainedf, and indoor environment temperature with The temperature difference T of indoor target temperatureCCirculation performs above-mentioned steps S20 to step S60.Second preset time is preferably 2 minutes, It can also flexibly set according to actual needs, not do further limitation herein.
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 (10)

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:
S1, when air conditioner enters dehumidification mode, control air conditioner refrigerating operaton, and detect indoor environment temperature and outdoor environment Temperature;
S2, the temperature difference △ T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment temperature and indoor target temperature Temperature difference △ TC
S3, according to the temperature difference △ TfAnd the temperature difference △ TC, determine the current frequency of compressor operating;
S4, according to the temperature difference △ TfAnd the temperature difference △ TC, determine the current wind speed of indoor fan operation;
S5, according to identified current frequency and current wind speed, control air conditioner operation.
2. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that in air conditioner in the step S1 During into dehumidification mode, control air conditioner operation refrigeration 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 preset temperature, continue the preset time of heating operation first Afterwards, 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 the step S3 includes:
By the temperature difference △ TfMatched with default first temperature difference interval, determine the temperature difference △ TfThe temperature difference at place is interval;
By the temperature difference △ TCMatched with default second temperature difference interval, determine the △ TCThe temperature difference at place is interval;
According to first temperature difference is interval, the interval mapping relations with compressor operating frequency of second temperature difference, will with it is described Temperature difference △ TfThe temperature difference at place is interval, the △ TCThe interval corresponding frequency of the temperature difference at place is defined as the current of compressor operating Frequency.
4. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that the step S4 includes:
By the temperature difference △ TfMatched with default first temperature difference interval, determine the temperature difference △ TfThe temperature difference at place is interval;
By the temperature difference △ TCMatched with default second temperature difference interval, determine the △ TCThe temperature difference at place is interval;
, will be with the temperature according to first temperature difference is interval, the interval mapping relations with indoor fan wind speed of second temperature difference Poor △ TfThe temperature difference at place is interval, the △ TCThe interval corresponding wind speed of the temperature difference at place is defined as the current of indoor fan operation Wind speed.
5. constant temperature dehumidification controlling method for air conditioner as claimed in claim 1, it is characterised in that described according to identified current Frequency and current wind speed, also include after control air conditioner operation:
After S6, the preset time of air conditioner continuous service second, detection indoor environment temperature and outdoor environment temperature, and return to step S2。
6. 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, and detect indoor environment temperature And outdoor environment temperature;
Acquisition module, the temperature difference △ T for obtaining indoor environment temperature and outdoor environment temperaturef, and indoor environment temperature is with setting The temperature difference △ T of constant temperature degreeC
Frequency determining module, for according to the temperature difference △ TfAnd the temperature difference △ TC, determine the current frequency of compressor operating;
Wind speed determining module, for according to the temperature difference △ Tf and temperature difference △ Tc, determining the current wind of indoor fan operation Speed;
Control module, for according to identified current frequency and current wind speed, control air conditioner operation.
7. air conditioner constant temperature dehumidification control device as claimed in claim 6, it is characterised in that the detection module includes:
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, then controls air conditioner system Cold 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 preset temperature, continue the preset time of heating operation first Afterwards, air conditioner refrigerating operaton is controlled.
8. air conditioner constant temperature dehumidification control device as claimed in claim 6, it is characterised in that the frequency determining module bag Include:
Temperature difference △ TfInterval determination unit, for by the temperature difference △ TfMatched with default first temperature difference interval, determine institute State temperature difference △ TfThe temperature difference at place is interval;
Temperature difference △ TCInterval determination unit, for by the temperature difference △ TCMatched with default second temperature difference interval, determine institute State △ TCThe temperature difference at place is interval;
Frequency determinative elements, for according to first temperature difference is interval, second temperature difference it is interval with compressor operating frequency Mapping relations, will be with the temperature difference △ TfThe temperature difference at place is interval, the △ TCThe interval corresponding frequency of the temperature difference at place is defined as The current frequency of compressor operating.
9. air conditioner constant temperature dehumidification control device as claimed in claim 6, it is characterised in that the wind speed determining module bag Include:
Temperature difference △ TfInterval determination unit, for by the temperature difference △ TfMatched with default first temperature difference interval, determine institute State temperature difference △ TfThe temperature difference at place is interval;
Temperature difference △ TCInterval determination unit, for by the temperature difference △ TCMatched with default second temperature difference interval, determine institute State △ TCThe temperature difference at place is interval;
Wind speed determining unit, for according to first temperature difference is interval, interval the reflecting with indoor fan wind speed of second temperature difference Relation is penetrated, will be with the temperature difference △ TfThe temperature difference at place is interval, the △ TCThe interval corresponding wind speed of the temperature difference at place is defined as room The current wind speed of inner blower operation.
10. air conditioner constant temperature dehumidification control device as claimed in claim 6, it is characterised in that the air conditioner constant temperature dehumidification Control device also includes:
Loop detection module, after the preset time of air conditioner continuous service second, detection indoor environment temperature and outdoor environment Temperature, and obtain the temperature difference of indoor environment temperature and outdoor environment temperature, and indoor environment temperature and indoor target temperature The temperature difference.
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Denomination of invention: Constant temperature dehumidification control method and device of air conditioner

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