CN104406251B - Air conditioner dehumanization method and air conditioner - Google Patents

Air conditioner dehumanization method and air conditioner Download PDF

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Publication number
CN104406251B
CN104406251B CN201410649689.0A CN201410649689A CN104406251B CN 104406251 B CN104406251 B CN 104406251B CN 201410649689 A CN201410649689 A CN 201410649689A CN 104406251 B CN104406251 B CN 104406251B
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temperature
air conditioner
temperature difference
indoor environment
indoor
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CN104406251A (en
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廖清高
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention discloses a kind of air conditioner dehumanization method, including：When detecting dehumidifying instruction, the indoor heat exchanger pipe temperature T2 of indoor environment temperature T1 and air conditioner is obtained；Obtain instantaneous dew-point temperature Td corresponding with the indoor environment T1；Calculate indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T1, and instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；According to the temperature difference △ T1And temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △ T1In default temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold.The invention also discloses a kind of air conditioner.The present invention not only realizes effectively control room temperature, and also achieve effective dehumidifying in dehumidification process.

Description

Air conditioner dehumanization method and air conditioner
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air conditioner dehumanization method and air conditioner.
Background technology
Air conditioner has become the essential of people's household, when especially outdoor temperature is higher or lower, passes through air conditioner Interior can be made to be maintained at comfortable temperature.In existing air conditioner, although dehumidification function is all a kind of basic function, In dehumidification process, or being exactly that temperature is uncontrollable when dehumidifying, room temperature is too low after so causing dehumidifying a period of time.Or Person, the control system of air conditioner is exactly made extremely complex, to realize constant temperature dehumidification.But its cost is also very high, but also Refrigerating/heating performance may be sacrificed.
Therefore, a kind of dehumanization method of air conditioner is needed badly, temperature-controllable when can not only realize dehumidifying, but also do not influence The original refrigerating/heating performance of air conditioner.
The content of the invention
It is a primary object of the present invention to provide a kind of air conditioner and its dehumanization method, it is intended to realize effectively dehumidifying.
In order to achieve the above object, the invention provides a kind of air conditioner dehumanization method, comprise the following steps：
When detecting dehumidifying instruction, the indoor heat exchanger pipe temperature T2 of indoor environment temperature T1 and air conditioner is obtained；
Obtain instantaneous dew-point temperature Td corresponding with the indoor environment T1；
Calculate indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T1, and instantaneous dew point temperature Spend Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；
According to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △ T1Positioned at pre- If temperature range in, and temperature difference △ T2More than or equal to default first temperature difference threshold.
Preferably, it is described according to the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △ T2It is more than or equal to Default temperature difference threshold includes：
By the temperature difference △ T2Compared with the first temperature difference threshold；
As the temperature difference △ T2During less than first temperature difference threshold, increase the delivery temperature of the compressor of the air conditioner And/or blower fan wind speed is reduced, until the temperature difference is more than or equal to first temperature difference threshold, or the compression of the air conditioner The delivery temperature increase preset temperature threshold value of machine, and the blower fan wind speed are reduced to the minimum wind speed of air conditioner setting.
Preferably, the span of the increment of the delivery temperature of the compressor of each air conditioner is [1 DEG C, 10 DEG C]；Every time The span of the decrement of the blower fan wind speed of air conditioner is [1%, 20%].
Preferably, it is described according to the temperature difference △ T1, the operation of air conditioner is controlled, makes the temperature difference △ T1Positioned at default Include in temperature range：
As the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；
As the temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；
As-Y≤temperature difference △ T1During≤+ Y, keep the compressor frequency of air conditioner constant or allow the compressor of air conditioner Frequency is floated within a preset range；
Wherein, described [- Y ,+Y] is default temperature range.
Preferably, the acquisition instantaneous dew-point temperature Td corresponding with the indoor environment temperature T1 includes：
According to the indoor environment temperature T1, according to default computation rule, calculate and obtain and the indoor environment temperature Instantaneous dew-point temperature Td corresponding to T1；Or
According to the indoor environment temperature T1, default dew-point hygrometer is inquired about, is obtained and the indoor environment temperature T1 Corresponding instantaneous dew-point temperature Td.
In addition, to achieve the above object, present invention also offers a kind of air conditioner, the air conditioner fills including Dehumidification controlling Put, wherein the dehumidification control device includes：
First temperature acquisition module, when being instructed for detecting dehumidifying, obtain the room of indoor environment temperature T1 and air conditioner Interior Tube Sheet of Heat Exchanger temperature T2；
Second temperature acquisition module, for obtaining instantaneous dew-point temperature Td corresponding with the indoor environment T1；
Differential thermal calculation module, for calculating indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T1, and instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；
Control module, for according to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, is made described Temperature difference △ T1In default temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold.
Preferably, the control module includes：
Dehumidification controlling unit, for by the temperature difference △ T2Compared with the first temperature difference threshold；As the temperature difference △ T2It is small When first temperature difference threshold, increase the delivery temperature of the compressor of the air conditioner and/or reduce blower fan wind speed, Zhi Daosuo State temperature difference △ T2It is default more than or equal to first temperature difference threshold, or the delivery temperature increase of the compressor of the air conditioner Temperature threshold, and the blower fan wind speed are reduced to the minimum wind speed of air conditioner setting.
Preferably, in the Dehumidification controlling unit, the value model of the increment of the delivery temperature of the compressor of each air conditioner Enclose for [1 DEG C, 10 DEG C]；The span of the decrement of the blower fan wind speed of each air conditioner is [1%, 20%].
Preferably, the control module includes：
Temperature control unit, it is used for：As the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；When described Temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；As-Y≤temperature difference △ T1During≤+ Y, the compressor of air conditioner is kept Frequency is constant or allows the compressor frequency of air conditioner to float within a preset range；Wherein, described [- Y ,+Y] is default temperature Poor scope.
Preferably, the second temperature acquisition module is used for：According to the indoor environment temperature T1, according to default calculating Rule, calculate and obtain instantaneous dew-point temperature Td corresponding with the indoor environment temperature T1；Or
According to the indoor environment temperature T1, default dew-point hygrometer is inquired about, is obtained and the indoor environment temperature T1 Corresponding instantaneous dew-point temperature Td.
The temperature difference △ T for the indoor target temperature Ts that the present invention is set by obtaining indoor environment temperature T1 with user1, and Instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2, then according to temperature difference △ T1And temperature difference △ T2, control air-conditioning Device is run, and not only realizes effectively control room temperature, and also achieve effective dehumidifying in dehumidification process.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of air conditioner dehumanization method of the present invention；
Fig. 2 is according to temperature difference △ T in air conditioner dehumanization method of the present invention2, the operation of air conditioner is controlled, makes the temperature difference △ T2More than or equal to the refinement schematic flow sheet of default temperature difference threshold；
Fig. 3 is according to the temperature difference △ T in air conditioner dehumanization method of the present invention1, the operation of air conditioner is controlled, makes the temperature Poor △ T1Refinement schematic flow sheet in default temperature range；
Fig. 4 is the structural representation of the embodiment of air conditioner one of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the dehumidification control device of air conditioner of the present invention；
Fig. 6 is the refinement high-level schematic functional block diagram of control module in Fig. 5.
In order that technical scheme is clearer, clear, it is described in further detail below in conjunction with accompanying drawing.
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 core concept be：When needing to be dehumidified, indoor environment temperature T1, indoor heat exchanger Guan Wen are obtained T2, instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, then according to T1, T2, Td and Ts, automatically adjust air conditioner Operational factor, not only realize effectively control room temperature, and also achieve effective dehumidifying in dehumidification process.
As shown in figure 1, show a kind of air conditioner dehumanization method first embodiment of the present invention.Air conditioner in the embodiment Dehumanization method may include following steps：
When step S110, detecting dehumidifying instruction, the indoor heat exchanger Guan Wen of indoor environment temperature T1 and air conditioner is obtained T2；
In the present embodiment, temperature sensor is respectively provided with the return air inlet of machine and on indoor heat exchanger coil pipe indoors, with right Indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 should be detected.When detecting dehumidifying instruction, then the TEMP can be obtained Indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 detected by device.
Step S120, instantaneous dew-point temperature Td corresponding with the indoor environment T1 is obtained；
Instantaneous dew-point temperature Td corresponding with indoor environment temperature T1 is obtained, concretely：In one example, in air conditioner Pre-set corresponding dew-point temperature and calculate rule, then obtain the parameter required for dew-point temperature calculating rule, for example, it is indoor Environment temperature, finally further according to acquired parameter, rule is calculated according to dew-point temperature, calculates and obtains and indoor environment temperature T1 Corresponding instantaneous dew-point temperature Td.In another example, can prestore a dew-point hygrometer in air conditioner, dew-point temperature token The mapping relations between indoor environment temperature and dew-point temperature have been recorded, therefore when obtaining indoor environment temperature T1, further according to this The dew-point hygrometer to prestore, table look-up and obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1.
Step S130, indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T are calculated1, and Instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；
Step S140, according to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △T1In default temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold.
After obtaining indoor environment temperature T1, indoor heat exchanger pipe temperature T2 and instantaneous dew-point temperature Td, then △ T are calculated1= T1-Ts, and calculate △ T2=Td-T2.Wherein, Ts is user's indoor target temperature set when controlling air-conditioning.Then, Two temperature difference are obtained according to the calculating, control the operation of air conditioner, to control the indoor environment temperature T1 of air conditioner to level off to use Indoor target temperature Ts set by family, and control the temperature difference △ T of air conditioner2More than or equal to default first temperature difference threshold Value.
The temperature difference △ for the indoor target temperature Ts that the embodiment of the present invention is set by obtaining indoor environment temperature T1 with user T1, and instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2, then according to temperature difference △ T1And temperature difference △ T2, Air conditioner operation is controlled, not only realizes effectively control room temperature, and also achieve effective dehumidifying in dehumidification process.
Further, as shown in Fig. 2 according to the temperature difference △ T in above-mentioned steps S1402, the operation of air conditioner is controlled, is made The temperature difference △ T2It may include more than or equal to default first temperature difference threshold：
Step S141, by the temperature difference △ T2Compared with the first temperature difference threshold；
Step S142, as the temperature difference △ T2During less than first temperature difference threshold, increase the compressor of the air conditioner Delivery temperature and/or reduce blower fan wind speed, until the temperature difference △ T2More than or equal to first temperature difference threshold, Huo Zhesuo The delivery temperature increase preset temperature threshold value of the compressor of air conditioner is stated, and the blower fan wind speed is reduced to air conditioner setting Minimum wind speed.
In the present embodiment, first temperature difference threshold is a numerical value pre-setting in air conditioner, first temperature difference threshold Span be：0 DEG C of ＜ a≤10 DEG C, wherein a are the first temperature difference threshold.As temperature difference △ T2During ＜ a, then need to carry out it Dehumidifying.Specially：Increase the delivery temperature of the compressor of the air conditioner and/or reduce blower fan wind speed, and each air conditioner The increment △ T of the delivery temperature of compressorPSpan be：1℃≤△TP≤ 10 DEG C, the blower fan wind speed of each air conditioner The span for being reduced X is 1%≤X≤20%.Circulate successively, until the temperature difference △ T2More than or equal to first temperature difference Threshold value, or the delivery temperature increase preset temperature threshold value of the compressor of the air conditioner, and the blower fan wind speed are reduced to The minimum wind speed of air conditioner setting.In the present embodiment, the preset temperature threshold value is 10 DEG C.To avoid the delivery temperature one of compressor Straight increase, ensure that the trouble free service of compressor.
Further, as shown in figure 3, according to the temperature difference △ T in above-mentioned steps S1401, the operation of air conditioner is controlled, is made The temperature difference △ T1It may include in default temperature range：
Step S143, by the temperature difference △ T1Compared with+Y and-Y；
Step S144, as the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；
Step S145, as the temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；
Step S146, as-Y≤temperature difference △ T1During≤+ Y, keep the compressor frequency of air conditioner constant or allow air-conditioning The compressor frequency of device floats within a preset range；Wherein, described [- Y ,+Y] is default temperature range.
In the present embodiment, the Y is the numerical value that air conditioner is pre-set, and the span of the Y can be 0≤Y≤1 DEG C. Exemplified by Y=0.5 DEG C, as △ T1At ＜ -0.5 DEG C, represent that current indoor environment temperature T1 is less than the indoor objects of user's setting Temperature Ts, then control air conditioner to improve indoor environment temperature, that is, reduce the compressor frequency of air conditioner.As the temperature difference △ T1＞ When+0.5, represent that current indoor environment temperature T1 is higher than the indoor target temperature Ts of user's setting, then control air conditioner to reduce room Interior environment temperature, that is, increase the compressor frequency of air conditioner.As -0.5≤temperature difference △ T1When≤+ 0.5, current indoor environment is represented Temperature T1 tends to the indoor target temperature Ts of user's setting substantially, belongs to the temperature difference zone of reasonableness of air conditioner control, now then protects Hold air conditioner compressor frequency it is constant or allow air conditioner compressor frequency float within a preset range.
The Dehumidification controlling process of the dehumanization method of above-mentioned air conditioner is specifically described below by way of an example.It is empty in the example Adjust device to operate under a certain refrigerating environment, and open dehumidification function.Y is the 0.5, pressure of each air conditioner in above-mentioned dehumanization method The increment △ T of the delivery temperature of contracting machinePFor 2 DEG C.Cycle period is 3 minutes during Dehumidification controlling.
Example one
When air conditioner runs dehumidifying under a certain environment.When just starting, indoor environment temperature T1 and indoor heat exchanger are detected Pipe temperature T2, then obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, and calculating temperature difference △ T1=T1-TS, And △ T2=Td-T2.Due to △ T1＞+0.5, therefore control air conditioner to carry out cool-down dehumidification, air conditioner will be according to common refrigeration Situation controls compressor operating frequency, makes indoor environment temperature T1 progressively convergence indoor target temperature TS, meanwhile, in this process In, if △ T2>=a, then air conditioner is except controlling compressor operating frequency to make indoor environment temperature T1 progressively convergence indoor objects temperature Spend outside TS, no longer do additional act；If during △ T2 ＜ a, 2 DEG C of (i.e. Tp1=Tp of control air conditioner lifting compressor exhaust temperature + 2), while blower fan wind speed reduces X%.1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2 was detected every 3 minutes, successively Circular flow above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2≥ A, that is, realize and effectively dehumidified in temperature-fall period.
After air conditioner dehumidifying a period of time, if -0.5≤△ T1When≤+ 0.5, air conditioner is transferred to constant temperature dehumidification automatically, that is, presses Contracting machine running frequency keeps constant, only controls air conditioner so that △ T2>=a, so as to realize constant temperature dehumidification；In the process, if △ T2 >=a, then air conditioner keep former running status；If during △ T2 ＜ a, 2 DEG C of compressor exhaust temperature of control air conditioner lifting is (i.e. Tp1=Tp+2), meanwhile, blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger Guan Wen T2, circular flow above-mentioned steps successively, until Tp improves 10 DEG C, blower fan wind speed is reduced to the minimum wind of air conditioner setting, or Person △ T2>=a, that is, realize constant temperature and effectively dehumidifying.
Example two
When air conditioner runs dehumidifying under a certain environment, when just starting, indoor environment temperature T1 and indoor heat exchanger are detected Pipe temperature T2, then obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, and calculating temperature difference △ T1=T1-TS, And △ T2=Td-T2.Due to △ T1＞+0.5, therefore control air conditioner to carry out cool-down dehumidification, air conditioner will be according to common refrigeration Situation controls compressor operating frequency, makes indoor environment temperature T1 progressively convergence indoor target temperature TS, meanwhile, in this process In, such as △ T2 >=a, then air conditioner is except controlling compressor operating frequency to make indoor environment temperature T1 progressively convergence indoor objects temperature Spend outside TS, no longer do additional act；If during △ T2 ＜ a, 2 DEG C of (i.e. Tp1=Tp of control air conditioner lifting compressor exhaust temperature + 2) or blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, circulates successively Run above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2>=a, i.e., Realize and effectively dehumidified in temperature-fall period.
After air conditioner dehumidifying a period of time, if -0.5≤△ T1≤+0.5, air conditioner is transferred to constant temperature dehumidification automatically, that is, compresses Machine running frequency keeps constant, only controls air conditioner so that △ T2△ >=a, so as to realize constant temperature dehumidification；In the process, if △ T2 >=a, then air conditioner keep former running status；If during △ T2 ＜ a, 2 DEG C of compressor exhaust temperature of control air conditioner lifting is (i.e. Tp1=Tp+2) or blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, according to Secondary circular flow above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2 >=a, that is, realize constant temperature and effectively dehumidifying.
Example three
When air conditioner runs dehumidifying under a certain environment, when just starting, indoor environment temperature T1 and indoor heat exchanger are detected Pipe temperature T2, then obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, and calculating temperature difference △ T1=T1-TS, And △ T2=Td-T2.Due to △ T1＞+0.5, therefore control air conditioner to carry out cool-down dehumidification, air conditioner will be according to common refrigeration Situation controls compressor operating frequency, makes indoor environment temperature T1 progressively convergence indoor target temperature TS, meanwhile, in this process In, if △ T2 >=a, air conditioner makes indoor environment temperature T1 progressively convergence indoor objects temperature except control compressor operating frequency Spend outside TS, no longer do additional act；If during △ T2 ＜ a, 2 DEG C of (i.e. Tp1=Tp of control air conditioner lifting compressor exhaust temperature + 2), meanwhile, blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, successively Circular flow above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2≥ A, that is, realize and effectively dehumidified in temperature-fall period.
After air conditioner dehumidifying a period of time, such as △ T1During ＜ -0.5, air conditioner is transferred to heating dehumidifying automatically, i.e. compressor is transported Line frequency reduces 1Hz, the 1 indoor environment temperature T1 of detection in every 3 minutes, until meeting -0.5≤△ T automatically1After≤+ 0.5, control Air conditioner processed is transferred to constant temperature dehumidification operation；In the process, if △ T2 >=a, air conditioner is in addition to compressor operating frequency is controlled No longer do other actions；If during △ T2 ＜ a, control air conditioner lifting compressor exhaust temperature 2 DEG C (i.e. Tp1=Tp+2), together When, blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, successively circulating Row above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2>=a, i.e., it is real Show in temperature-rise period and effectively dehumidified.
Example four
When air conditioner runs dehumidifying under a certain environment, when just starting, indoor environment temperature T1 and indoor heat exchanger are detected Pipe temperature T2, then obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, and calculating temperature difference △ T1=T1-TS, And △ T2=Td-T2.Due to △ T1＞+0.5, therefore control air conditioner to carry out cool-down dehumidification, air conditioner will be according to common refrigeration Situation controls compressor operating frequency, makes indoor environment temperature T1 progressively convergence indoor target temperature TS, meanwhile, in this process In, such as △ T2 >=a, then air conditioner is except controlling compressor operating frequency to make indoor environment temperature T1 progressively convergence indoor objects temperature Spend outside TS, no longer do additional act；If during △ T2 ＜ a, 2 DEG C of (i.e. Tp1=Tp of control air conditioner lifting compressor exhaust temperature + 2) or blower fan wind speed reduces X%, every 3 minutes detection 1 indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, circulates successively Run above-mentioned steps, until Tp improve 10 DEG C, blower fan wind speed be reduced to the minimum wind of air conditioner setting, or △ T2>=a, i.e., Realize and effectively dehumidified in temperature-fall period.
After air conditioner dehumidifying a period of time, if -0.5≤△ T1≤+0.5, air conditioner is transferred to constant temperature dehumidification automatically, if continuously In 10 minutes, T1 is in rising trend, then compressor operating frequency rises 1Hz automatically, if conversely, in continuous 10 minutes, under T1 is in Drop trend, then compressor operating frequency decline 1Hz automatically, the indoor environment temperature T1 of detection in every 10 minutes；In above procedure In, if △ T2 >=a, air conditioner keeps former running status constant in addition to FREQUENCY CONTROL；If during △ T2 ＜ a, air-conditioning is controlled Device lifting compressor exhaust temperature 2 DEG C (i.e. Tp1=Tp+2) or blower fan wind speed reduce X%, 1 indoor environment of detection in every 3 minutes Temperature T1 and indoor heat exchanger pipe temperature T2, circular flow above-mentioned steps successively, until Tp improves 10 DEG C, blower fan wind speed is reduced to The minimum wind of air conditioner setting, or △ T2>=a, that is, realize constant temperature and effectively dehumidifying.
Accordingly, as shown in figure 4, showing that a kind of air conditioner one for realizing indoor temperature Self Adaptive Control of the present invention is implemented Example.The air conditioner includes compressor assembly 1, four-way valve 2, indoor heat exchanger 3, outdoor heat exchanger 4 and orifice union 5, wherein Compressor assembly 1 may include compressor 1a and fluid reservoir 1b, four-way valve 2 include four ports (port 2a, port 2b, port 2c, Port 2d).Connected between compressor assembly, four-way valve 2, indoor heat exchanger 3, outdoor heat exchanger 4, orifice union 5 by pipeline, Form refrigerating/heating circulation loop.A temperature sensor 31 is provided with the return air inlet of the indoor set, for gathering indoor environment temperature Spend T1；Indoor heat exchanger coil pipe is provided with temperature sensor 32, for gathering indoor heat exchanger pipe temperature T2.In addition, the air conditioner Also include a control device 6, the control device 6 is used to obtain indoor environment temperature T1 and indoor heat exchanger pipe temperature T2, and obtains Instantaneous dew-point temperature Td corresponding with indoor environment temperature T1, then according to above-mentioned control method, according to indoor environment temperature T1, Indoor heat exchanger pipe temperature T2, instantaneous dew-point temperature Td corresponding with indoor environment temperature T1 and user's setting temperature Ts, it is defeated Go out Dehumidification controlling parameter, to be controlled to air conditioner, not only realize and room temperature is effectively controlled in dehumidification process, but also Realize effective dehumidifying.
As shown in figure 5, show the dehumidification control device first embodiment of air conditioner of the present invention.The dehumidifying control of the embodiment Device 6 processed includes：
First temperature acquisition module 610, during for detecting dehumidifying instruction, obtain indoor environment temperature T1 and air conditioner Indoor heat exchanger pipe temperature T2；
Second temperature acquisition module 620, for obtaining instantaneous dew-point temperature Td corresponding with the indoor environment T1；
Differential thermal calculation module 630, for calculating indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature Poor △ T1, and instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；
Control module 640, for according to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, makes institute State temperature difference △ T1In default temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold.
When detecting dehumidifying instruction, the first temperature acquisition module 610 obtains the interior detected by the temperature sensor 31 The environment temperature T1 and indoor heat exchanger pipe temperature T2 detected by temperature sensor 32.Then second temperature acquisition module 620 obtains Take instantaneous dew-point temperature Td corresponding with indoor environment temperature T1.Specific acquisition modes include：It is pre- in air conditioner in one example First set corresponding dew-point temperature to calculate rule, then obtain the parameter required for dew-point temperature calculating rule, such as indoor ring Border temperature, finally further according to acquired parameter, rule is calculated according to dew-point temperature, calculates and obtains and T1 pairs of indoor environment temperature The instantaneous dew-point temperature Td answered.In another example, can prestore a dew-point hygrometer in air conditioner, dew-point hygrometer record Mapping relations between indoor environment temperature and dew-point temperature, therefore when obtaining indoor environment temperature T1, it is pre- further according to this The dew-point hygrometer deposited, table look-up and obtain instantaneous dew-point temperature Td corresponding with indoor environment temperature T1.
Above-mentioned differential thermal calculation module 630 obtains indoor environment temperature T1, indoor heat exchanger pipe temperature T2 and instantaneous dew point temperature After spending Td, then △ T are calculated1=T1-Ts, and calculate △ T2=Td-T2.Wherein, Ts is that user is set when controlling air-conditioning Indoor target temperature.Then, control module 640 obtains two temperature difference according to the calculating, the operation of air conditioner is controlled, to control sky The indoor target temperature Ts for adjusting the indoor environment temperature T1 of device to level off to set by user, and control the temperature difference △ T of air conditioner2 More than or equal to default first temperature difference threshold.
The temperature difference △ for the indoor target temperature Ts that the embodiment of the present invention is set by obtaining indoor environment temperature T1 with user T1, and instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2, then according to temperature difference △ T1And temperature difference △ T2, Air conditioner operation is controlled, not only realizes effectively control room temperature, and also achieve effective dehumidifying in dehumidification process.
Further, as shown in fig. 6, above-mentioned control module 640 includes：
Dehumidification controlling unit 641, for by the temperature difference △ T2Compared with the first temperature difference threshold；As the temperature difference △ T2During less than first temperature difference threshold, increase the delivery temperature of the compressor of the air conditioner and/or reduce blower fan wind speed, directly To the temperature difference △ T2More than or equal to the delivery temperature increase of first temperature difference threshold, or the compressor of the air conditioner Preset temperature threshold value, and the blower fan wind speed are reduced to the minimum wind speed of air conditioner setting.
In the present embodiment, first temperature difference threshold is a numerical value pre-setting in air conditioner, first temperature difference threshold Span be：0 DEG C of ＜ a≤10 DEG C, wherein a are the first temperature difference threshold.As temperature difference △ T2During ＜ a, then need to carry out it Dehumidifying.Specially：Increase the delivery temperature of the compressor of the air conditioner and/or reduce blower fan wind speed, and each air conditioner The increment △ T of the delivery temperature of compressorPSpan be：1℃≤△TP≤ 10 DEG C, the blower fan wind speed of each air conditioner The span for being reduced X is 1%≤X≤20%.Circulate successively, until the temperature difference △ T2More than or equal to first temperature difference Threshold value, or the delivery temperature increase preset temperature threshold value of the compressor of the air conditioner, and the blower fan wind speed are reduced to The minimum wind speed of air conditioner setting.In the present embodiment, the preset temperature threshold value is 10 DEG C.To avoid the delivery temperature one of compressor Straight increase, ensure that the trouble free service of compressor.
Further, above-mentioned control module 640 also includes：
Temperature control unit 642, for as the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；Work as institute State temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；As-Y≤temperature difference △ T1During≤+ Y, the compression of air conditioner is kept Unit frequency is constant or allows the compressor frequency of air conditioner to float within a preset range；Wherein, described [- Y ,+Y] is default Temperature range.
In the present embodiment, the Y is the numerical value that air conditioner is pre-set, and the span of the Y can be 0≤Y≤1 DEG C. Exemplified by Y=0.5 DEG C, as △ T1At ＜ -0.5 DEG C, represent that current indoor environment temperature T1 is less than the indoor objects of user's setting Temperature Ts, then control air conditioner to improve indoor environment temperature, that is, reduce the compressor frequency of air conditioner.As the temperature difference △ T1＞ When+0.5, represent that current indoor environment temperature T1 is higher than the indoor target temperature Ts of user's setting, then control air conditioner to reduce room Interior environment temperature, that is, increase the compressor frequency of air conditioner.As -0.5≤temperature difference △ T1When≤+ 0.5, current indoor environment is represented Temperature T1 tends to the indoor target temperature Ts of user's setting substantially, belongs to the temperature difference zone of reasonableness of air conditioner control, now then protects Hold air conditioner compressor frequency it is constant or allow air conditioner compressor frequency float within a preset range.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization Equivalent structure or the flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (8)

1. a kind of air conditioner dehumanization method, it is characterised in that the air conditioner dehumanization method comprises the following steps：
When detecting dehumidifying instruction, the indoor heat exchanger pipe temperature T2 of indoor environment temperature T1 and air conditioner is obtained；
Obtain instantaneous dew-point temperature Td corresponding with the indoor environment T1；
Calculate indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T1, and instantaneous dew-point temperature Td With indoor heat exchanger pipe temperature T2 temperature difference △ T2；
According to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △ T1Positioned at default In temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold；
It is described according to the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △ T2More than or equal to the default first temperature Poor threshold value includes：
By the temperature difference △ T2Compared with the first temperature difference threshold；
As the temperature difference △ T2During less than first temperature difference threshold, increase the compressor of the air conditioner delivery temperature and/or Blower fan wind speed is reduced, until the temperature difference is more than or equal to first temperature difference threshold, or the compressor of the air conditioner Delivery temperature increases preset temperature threshold value, and the blower fan wind speed is reduced to the minimum wind speed of air conditioner setting.
2. air conditioner dehumanization method as claimed in claim 1, it is characterised in that the delivery temperature of the compressor of each air conditioner The span of increment be [1 DEG C, 10 DEG C]；The span of the decrement of the blower fan wind speed of each air conditioner for [1%, 20%].
3. air conditioner dehumanization method as claimed in claim 1, it is characterised in that described according to the temperature difference △ T1, control air-conditioning The operation of device, make the temperature difference △ T1Include in default temperature range：
As the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；
As the temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；
As-Y≤temperature difference △ T1During≤+ Y, keep the compressor frequency of air conditioner constant or allow the compressor frequency of air conditioner Float within a preset range；
Wherein, described [- Y ,+Y] is default temperature range.
4. the air conditioner dehumanization method as described in claim any one of 1-3, it is characterised in that the acquisition and the indoor ring Instantaneous dew-point temperature Td includes corresponding to the temperature T1 of border：
According to the indoor environment temperature T1, according to default computation rule, calculate and obtain and T1 pairs of the indoor environment temperature The instantaneous dew-point temperature Td answered；Or
According to the indoor environment temperature T1, default dew-point hygrometer is inquired about, is obtained corresponding with the indoor environment temperature T1 Instantaneous dew-point temperature Td.
5. a kind of air conditioner, it is characterised in that the air conditioner includes dehumidification control device, wherein the dehumidification control device bag Include：
First temperature acquisition module, when being instructed for detecting dehumidifying, the interior for obtaining indoor environment temperature T1 and air conditioner is changed Hot device pipe temperature T2；
Second temperature acquisition module, for obtaining instantaneous dew-point temperature Td corresponding with the indoor environment T1；
Differential thermal calculation module, for calculating indoor environment temperature T1 and the indoor target temperature Ts of user's setting temperature difference △ T1, with And instantaneous dew-point temperature Td and indoor heat exchanger pipe temperature T2 temperature difference △ T2；
Control module, for according to the temperature difference △ T1And the temperature difference △ T2, the operation of air conditioner is controlled, makes the temperature difference △T1In default temperature range, and the temperature difference △ T2More than or equal to default first temperature difference threshold；
Dehumidification controlling unit, for by the temperature difference △ T2Compared with the first temperature difference threshold；As the temperature difference △ T2Less than institute When stating the first temperature difference threshold, increase the delivery temperature of the compressor of the air conditioner and/or reduce blower fan wind speed, until the temperature Poor △ T2More than or equal to the delivery temperature increase preset temperature of first temperature difference threshold, or the compressor of the air conditioner Threshold value, and the blower fan wind speed are reduced to the minimum wind speed of air conditioner setting.
6. air conditioner as claimed in claim 5, it is characterised in that in the Dehumidification controlling unit, the compression of each air conditioner The span of the increment of the delivery temperature of machine is [1 DEG C, 10 DEG C]；The span of the decrement of the blower fan wind speed of each air conditioner For [1%, 20%].
7. air conditioner as claimed in claim 5, it is characterised in that the control module includes：
Temperature control unit, it is used for：As the temperature difference △ T1During ＜-Y, the compressor frequency of air conditioner is reduced；As the temperature difference △ T1During ＞+Y, increase the compressor frequency of air conditioner；As-Y≤temperature difference △ T1During≤+ Y, the compressor frequency of air conditioner is kept not Become or allow the compressor frequency of air conditioner to float within a preset range；Wherein, described [- Y ,+Y] is default temperature difference model Enclose.
8. the air conditioner as described in claim any one of 5-7, it is characterised in that the second temperature acquisition module is used for：Root According to the indoor environment temperature T1, according to default computation rule, calculate and obtain wink corresponding with the indoor environment temperature T1 When dew-point temperature Td；Or
According to the indoor environment temperature T1, default dew-point hygrometer is inquired about, is obtained corresponding with the indoor environment temperature T1 Instantaneous dew-point temperature Td.
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