CN106839352B - A kind of air-conditioner control system and its control method - Google Patents

A kind of air-conditioner control system and its control method Download PDF

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Publication number
CN106839352B
CN106839352B CN201710055201.5A CN201710055201A CN106839352B CN 106839352 B CN106839352 B CN 106839352B CN 201710055201 A CN201710055201 A CN 201710055201A CN 106839352 B CN106839352 B CN 106839352B
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China
Prior art keywords
ring
air
mode
setting
conditioning
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CN201710055201.5A
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Chinese (zh)
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CN106839352A (en
Inventor
袁前
高玉平
王明剑
陈伟
杨杰
黄松斌
钟振棠
陈国强
倪小花
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珠海格力电器股份有限公司
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Publication of CN106839352A publication Critical patent/CN106839352A/en
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    • 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
    • F24F11/89Arrangement or mounting of control or safety devices
    • 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 present invention provides a kind of air-conditioner control system and its control method, the air-conditioning includes exporting the relatively low low output operational mode of energy and the higher high output operational mode of output energy, the air-conditioning can mutually switch between two operational mode, and the control system includes: detection unit, for detecting indoor environment temperature TInner ring;Judging unit, for calculating △ T=| TInner ring‑TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor the indoor set temperature of air-conditioning, T1For setting value, desirable any positive number;Control unit, for selecting low output operational mode or high output operational mode to run air-conditioning according to the judging result of judging unit.Enable room temperature close to T through the inventionSettingIt is slowly varying when range, the case where preventing that room temperature from declining or the rate of climb is too fast beyond set temperature, avoid high frequent startup-shutdown, the comfort level that also effectively prevents indoor environment temperature fluctuation, improve indoor environment.

Description

A kind of air-conditioner control system and its control method
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air-conditioner control system and its control method.
Background technique
Easily there is indoor environment indoors in the case where carrying capacity of environment smaller (refrigeration) in conventional air source heat pump system at present The case where temperature reaches set temperature and then leads to compressor shutdown, under this state, indoor environment temperature can be because of compressor shutdown And gradually go up, after reaching certain condition, compressor is again started up operation refrigeration;In this case, compressor can frequently be held It shuts down, therefore indoor environment temperature can also generate fluctuation, not only will affect the service life of compressor, also will affect relaxing for user Appropriateness.
In the case where air source heat pump system in the prior art indoors carrying capacity of environment smaller (especially freezing) The technical problems such as high frequent startup-shutdown, indoor environment temperature generation fluctuation are easy to appear, therefore researching and designing of the present invention goes out A kind of air-conditioner control system and its control method.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming air-conditioning system in the prior art carrying capacity of environment indoors Haves the defects that high frequent startup-shutdown in lesser situation, to provide a kind of air-conditioner control system and its control method.
The present invention provides a kind of air-conditioner control system, wherein the air-conditioning includes exporting the relatively low low output fortune of energy Row mode and the higher high output operational mode of output energy, the air-conditioning can mutually switch between two operational mode, and The control system includes:
Detection unit, for detecting indoor environment temperature TInner ring
Judging unit, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor air-conditioning Indoor set temperature, T1For setting value, desirable any positive number;
Control unit, for selecting low output operational mode or high output operational mode according to the judging result of judging unit Run air-conditioning.
Preferably, as △ T≤T1, low output operational mode operation air-conditioning is selected at this time;
As △ T ﹥ T1, the high output operational mode of selection at this time runs air-conditioning.
Preferably, the low output operational mode includes air outlet pore type, windscreen reduces at least one gear, compressor is run At least one of frequency reduction regulative mode;
The high output operational mode includes guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, At least one of compressor operating frequency raising regulative mode.
Preferably, after control unit selects low output operational mode,
The judging unit is also used to judge whether △ T=0 DEG C true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min It sets up,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection.
Preferably, if △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min is set up simultaneously, then maintains air-conditioning single in control Stable operation under the operational mode of member selection;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, then detection unit is used again In detection indoor environment temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether at It is vertical.
Preferably, after control unit selects high output operational mode, then detection unit is reused for sensing chamber's inner ring Border temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.
Preferably, the detection unit is also used in detection indoor environment temperature TInner ringBefore, for detecting whether air-conditioning sets Determine specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
Preferably, the specific run mode includes at least one of following modes: air-out mode sets mode, windscreen Setting mode, compressor operating frequency set mode.
The present invention also provides a kind of control methods of air-conditioner control system above-mentioned comprising:
Detecting step, for detecting indoor environment temperature TInner ring
Judgment step, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor air-conditioning Indoor set temperature, T1For temperature error acceptable value, desirable any positive number;
Rate-determining steps, for selecting low output operational mode or high output operational mode according to the judging result of judgment step Run air-conditioning.
Preferably, as △ T≤T1, low output operational mode operation air-conditioning is selected at this time;
As △ T ﹥ T1, the high output operational mode of selection at this time runs air-conditioning.
Preferably, the low output operational mode includes air outlet pore type, windscreen reduces at least one gear, compressor is run At least one of frequency reduction regulative mode;
The high output operational mode includes guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, At least one of compressor operating frequency raising regulative mode.
Preferably, after rate-determining steps select low output operational mode,
The judgment step is also used to judge whether △ T=0 DEG C true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min It sets up,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection.
Preferably, if △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min is set up simultaneously, then air-conditioning is maintained to walk in control Suddenly stable operation under the operational mode selected;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, then detecting step is used again In detection indoor environment temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether at It is vertical.
Preferably, after rate-determining steps select high output operational mode, then detecting step is reused for sensing chamber's inner ring Border temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.
Preferably, the detecting step is also used in detection indoor environment temperature TInner ringBefore, for detecting whether air-conditioning sets Determine specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
Preferably, the specific run mode includes at least one of following modes: air-out mode sets mode, windscreen Setting mode, compressor operating frequency set mode.
A kind of air-conditioner control system provided by the invention and its control method have the following beneficial effects:
1. air-conditioner control system and its control method of the invention, by detecting indoor environment temperature TInner ring, calculate △ T=| TInner ring-TSetting| and judge △ T≤T1It is whether true, it can judge in indoor environment temperature and air conditioning chamber between set temperature Gap size, if reach and sufficiently close to TSettingDegree, if TInner ringT is sufficiently closed toSetting, controlled at this time by control unit empty The low output operational mode of allocation and transportation row, so that the operation energy of air-conditioning is reduced, so that operation of air conditioner is slow, power decline, indoor system Cold or heating horsepower reduces, and enables indoor environment temperature close to TSettingSet temperature, Jin Erfang are slowly reached when range Stopped temperature decline or the rate of climb it is too fast and beyond set temperature, to needing the case where shutting down compressor, be effectively prevented from The movement and situation of high frequent startup-shutdown also effectively prevents indoor environment temperature fluctuation, improves indoor environment Comfort level;
2. air-conditioner control system and its control method of the invention, kept off by air outlet pore type, windscreen reduction at least one, Any one or more of compressor operating frequency reduction combination is used as low output operational mode, and can pass through reduces air outlet face The mode of product, and/or reduction wind speed, and/or reduction compressor rotary speed exports to reduce the energy of air-conditioning, to reduce indoor ring The pace of change of border temperature reaches it slowly near set temperature value, avoids high frequent startup-shutdown and Indoor Temperature The case where being fluctuated about degree;
3. air-conditioner control system and its control method of the invention, by control unit select low output operational mode it Afterwards, the judging unit is also used to judge whether △ T=0 DEG C true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true, It can judge TInner ringWhether (indoor environment temperature) has arrived at TSetting(indoor set temperature) and whether there is also the temperature being not zero Change rate is spent, can effectively and accurately judge whether indoor environment temperature can accurately reach and stablize in setting temperature in this way Degree, provides judging means for the final control purpose of air-conditioner control system and method for the invention;
4. air-conditioner control system and its control method of the invention, by judging △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t= 0 DEG C/min sets up simultaneously, can accurately obtain indoor environment temperature, then maintains to continue to run in this mode, to guarantee room temperature Stablize in set temperature;When in above-mentioned condition it is any it is invalid, illustrate TInner ringDo not reach T alsoSettingTInner ringReach TSetting But it cannot stablize there are still rate of temperature change (i.e. temperature changing speed is not zero) in TSetting;It in this way can be to the room temperature of air-conditioning Stability contorting provides effective control means;
5. air-conditioner control system and its control method of the invention, by detection TInner ringAlso detect whether that setting is special before Determine operational mode, and preferentially run if setting specific run mode specific run mode, run if not setting it is of the invention Ambient-temp-stable operational mode can prevent ambient-temp-stable Pattern perturbation of the invention to the specific run mode of normal air-conditioning, So that air-conditioning is based on specific run mode, supplemented by ambient-temp-stable mode, to realize the adjusting to air-conditioning accurate temperature controller.
Detailed description of the invention
Fig. 1 is the principle assumption diagram of air-conditioner control system and control method of the invention;
Fig. 2 is the principle assumption diagram of the air-conditioner control system of the invention based on micropore air-out mode and control method;
Fig. 3 is the principle assumption diagram of the air-conditioner control system of the invention based on windscreen regulative mode and control method;
Fig. 4 is the principle of the air-conditioner control system of the invention based on compressor operating frequency regulative mode and control method Structure chart.
Specific embodiment
Embodiment 1
As shown in Figs 1-4, the present invention provides a kind of air-conditioning (present invention is preferably air source heat pump) control system, the sky It stealthily substitutes and includes the relatively low low output operational mode of output energy and the higher high output operational mode of output energy, the air-conditioning Can mutually it switch between two operational mode, and the control system includes:
Detection unit, for detecting indoor environment temperature TInner ring
Judging unit, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor air-conditioning Indoor set temperature, T1For setting value, desirable any positive number;
Control unit, for selecting low output operational mode or high output operational mode according to the judging result of judging unit Run air-conditioning.
By detecting indoor environment temperature TInner ring, calculate △ T=| TInner ring-TSetting| and judge △ T≤T1Whether true (T1Energy It enough represents and TSettingClose degree, can be set as needed, such as T1=5 DEG C, once then TInner ringEnter [TSetting- T1, TSetting+T1] in range when, illustrate TInner ringT is sufficiently closed toSetting, need to carry out temperature control adjusting at this time, otherwise TInner ringIt will surpass T outSetting, make indoor temperature fluctuation, high frequent start and stop), can judge in indoor environment temperature and air conditioning chamber set temperature it Between gap size, if reach and sufficiently close to TSettingDegree, if TInner ringT is sufficiently closed toSetting, pass through control unit control at this time The low output operational mode of operation of air conditioner processed, to reduce the operation energy of air-conditioning so that operation of air conditioner slowly, power decline, room Interior refrigeration or heating horsepower reduce, and enable indoor environment temperature close to TSettingSet temperature is slowly reached when range, into And prevent temperature decline or the rate of climb it is too fast and beyond set temperature, to needing the case where shutting down compressor, effectively The movement and situation for avoiding high frequent startup-shutdown also effectively prevent indoor environment temperature fluctuation, improve indoor ring The comfort level in border.
Preferably, as △ T≤T1When, illustrate TInner ringWith TSettingIt is spaced closely together, in setting range T1Inside sufficiently closed in TSetting, low output operational mode operation air-conditioning is selected at this time;
As △ T ﹥ T1When, illustrate TInner ringWith TSettingRelatively far apart, in setting range T1Inside level off to T not yetSetting, select at this time Height output operational mode runs air-conditioning.
This is the preferred judgment step and rate-determining steps of judging unit and control unit of the invention, as △ T≤T1When, it says Bright TInner ringWith TSettingIt is spaced closely together, in setting range T1It has inside sufficiently closed in TSetting, low output operational mode is selected to run at this time Air-conditioning can prevent room temperature down or up very fast at this time and exceed TSetting;As △ T ﹥ T1When, illustrate TInner ringWith TSettingRelatively far apart, In setting range T1Inside level off to T not yetSetting, selection at this time is high to export operational mode operation air-conditioning, does not need to prevent room at this time Temperature is down or up comparatively fast, will not exceed TSetting
Embodiment 2
Preferably, the low output operational mode includes air outlet pore type, windscreen reduces at least one gear, compressor is run At least one of frequency reduction regulative mode;Micropore air outlet of the invention is that the diameter of finger-hole or axial length range exist Hole in 0.5~50mm, the size of each micropore can be it is equal, can also be unequal;Micro-pore shape can be round, ellipse Circle, polygon, irregular shape hole, or the combination of the above shape, similarly hereinafter.
The high output operational mode includes guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, At least one of compressor operating frequency raising regulative mode.
Any one or more of at least one gear, compressor operating frequency reduction are reduced by air outlet pore type, windscreen Combination is used as low output operational mode, can be turned by reducing outlet air open area, and/or reducing wind speed, and/or reduce compressor The mode of speed exports to reduce the energy of air-conditioning, to reduce the pace of change of indoor environment temperature, reaches it slowly and sets The case where determining near temperature value, high frequent startup-shutdown and room temperature avoided to fluctuate up and down;
By the way that guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, compressor operating frequency increases Any one or more of combination as high output operational mode, can by improve outlet air open area, and/or improve wind speed, And/or the mode of compressor rotary speed is improved to increase the energy output of air-conditioning, thus increase the pace of change of indoor environment temperature, Reach it rapidly near set temperature value, to meet user's fast-refrigerating or the quick comfort level that heats.
Embodiment 3
Preferably, after control unit selects low output operational mode,
The judging unit be also used to judge △ T=0 DEG C (supplement: △ T=| TInner ring-TSetting| theoretically and need to detect Real-time TInner ring) whether true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection.
By the way that after control unit selects low output operational mode, the judging unit is also used to judge that △ T=0 DEG C is No establishment and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true, can judge TInner ringWhether (indoor environment temperature) has arrived Up to TSetting(indoor set temperature) and whether there is also the rate of temperature change being not zero, and can effectively and accurately judge in this way Whether indoor environment temperature can accurately reach and stablize in set temperature, most for air-conditioner control system and method for the invention Control purpose provides judging means eventually.
Preferably, if △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min is set up simultaneously, illustrates TInner ringStablize in TSetting's Temperature then maintains air-conditioning stable operation under the operational mode that control unit selects;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, illustrates TInner ringIt does not arrive also Up to TSettingTInner ringReach TSettingBut it cannot stablize there are still rate of temperature change (i.e. temperature changing speed is not zero) in TSetting, Then detection unit is reused for detection indoor environment temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring-TSetting|, and sentence Disconnected △ T≤T1It is whether true.The ambient-temp-stable of air-conditioning can be controlled in this way and effective control means are provided.
Embodiment 4
Preferably, after control unit selects high output operational mode, then detection unit is reused for sensing chamber's inner ring Border temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.Work as control unit After the high output operational mode of selection, illustrate TInner ringWith TSettingBetween differ larger, then need further to cool down or heating could be into One step is close to TSetting, therefore return it to detection TInner ringThe step of, T is detected againInner ring, recalculate △ T and rejudge △ T whether≤T1, so that control system and control method of the invention circularly continuous service.
Embodiment 5
Preferably, the detection unit is also used in detection indoor environment temperature TInner ringBefore, for detecting whether air-conditioning sets Determine specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
By in detection TInner ringSetting specific run mode is also detected whether before, and excellent if setting specific run mode It first runs specific run mode, run ambient-temp-stable operational mode of the invention if not setting, room of the invention can be prevented Warm stable mode interferes with the specific run mode of normal air-conditioning, so that air-conditioning is based on specific run mode, ambient-temp-stable Supplemented by mode, to realize the adjusting to air-conditioning accurate temperature controller.
It is further preferred that the specific run mode includes at least one of following modes: air-out mode sets mould Formula, windscreen setting mode, compressor operating frequency set mode.This is the preferred several of the specific run mode of air-conditioning of the invention Kind operational mode: air-out mode setting mode (may include micropore outlet air, wind deflector outlet air, wind-guiding grate outlet air, be adjusted Wind area), windscreen sets mode (may include the gear of one grade of lower limit, no maximum, be adjusted wind velocity), compressor operation frequency Rate sets mode (speed for adjusting compressor operation rate).
It is further preferred that judgment step judges air-conditioning:
Whether air-out mode is set, if so, by the air-out mode operation of setting, if it is not, then steady by room temperature of the invention Mould-fixed is adjusted;
Whether set windscreen, if so, by setting windscreen operation, if it is not, then by ambient-temp-stable mode of the invention into Row is adjusted;
Whether the running frequency of compressor is set, if so, by the compressor operating frequency operation of setting, if it is not, then pressing Ambient-temp-stable mode of the invention is adjusted.
Embodiment 6
The present invention also provides a kind of control methods of air-conditioner control system as the aforementioned, wherein the air-conditioning includes output The relatively low low output operational mode of energy and the higher high output operational mode of output energy, the air-conditioning can be in two fortune Mutually switch between row mode, and the control method includes:
Detecting step, for detecting indoor environment temperature TInner ring
Judgment step, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor air-conditioning Indoor set temperature, T1For setting value, desirable any positive number;
Rate-determining steps, for selecting low output operational mode or high output operational mode according to the judging result of judgment step Run air-conditioning.
By detecting indoor environment temperature TInner ring, calculate △ T=| TInner ring-TSetting| and judge △ T≤T1Whether true (T1Energy It enough represents and TSettingClose degree, can be set as needed, such as T1=5 DEG C, once then TInner ringEnter [TSetting- T1, TSetting+T1] in range when, illustrate TInner ringT is sufficiently closed toSetting, need to carry out temperature control adjusting at this time, otherwise TInner ringIt will surpass T outSetting, make indoor temperature fluctuation, high frequent start and stop), can judge in indoor environment temperature and air conditioning chamber set temperature it Between gap size, if reach and sufficiently close to TSettingDegree, if TInner ringT is sufficiently closed toSetting, pass through control unit control at this time The low output operational mode of operation of air conditioner processed, to reduce the operation energy of air-conditioning so that operation of air conditioner slowly, power decline, room Interior refrigeration or heating horsepower reduce, so that indoor environment temperature is close to TSettingSet temperature can be slowly reached when range, into And prevent temperature decline or the rate of climb it is too fast and beyond set temperature, to needing the case where shutting down compressor, effectively The movement and situation for avoiding high frequent startup-shutdown also effectively prevent indoor environment temperature fluctuation, improve indoor ring The comfort level in border.
Preferably, as △ T≤T1, illustrate TInner ringWith TSettingIt is spaced closely together, in setting range T1Inside sufficiently closed in TSetting, low output operational mode operation air-conditioning is selected at this time;
As △ T ﹥ T1, illustrate TInner ringWith TSettingRelatively far apart, in setting range T1Inside level off to T not yetSetting, select at this time Select high output operational mode operation air-conditioning.
This is preferred judgment step and rate-determining steps of the invention, as △ T≤T1When, illustrate TInner ringWith TSettingIt is spaced closely together, In setting range T1It has inside sufficiently closed in TSetting, low output operational mode operation air-conditioning is selected at this time, can prevent room at this time Temperature is down or up very fast and exceeds TSetting;As △ T ﹥ T1When, illustrate TInner ringWith TSettingRelatively far apart, in setting range T1Inside not yet Level off to TSetting, the high output operational mode of selection at this time runs air-conditioning, do not need to prevent at this time room temperature it is down or up it is very fast, Without departing from TSetting
Embodiment 7
Preferably, the low output operational mode includes air outlet pore type, windscreen reduces at least one gear, compressor is run At least one of frequency reduction regulative mode;
The high output operational mode includes guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, At least one of compressor operating frequency raising regulative mode.
Any one or more of at least one gear, compressor operating frequency reduction are reduced by air outlet pore type, windscreen Combination is used as low output operational mode, can be turned by reducing outlet air open area, and/or reducing wind speed, and/or reduce compressor The mode of speed exports to reduce the energy of air-conditioning, to reduce the pace of change of indoor environment temperature, reaches it slowly and sets The case where determining near temperature value, high frequent startup-shutdown and room temperature avoided to fluctuate up and down;
By the way that guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, compressor operating frequency increases Any one or more of combination as high output operational mode, can by improve outlet air open area, and/or improve wind speed, And/or the mode of compressor rotary speed is improved to increase the energy output of air-conditioning, thus increase the pace of change of indoor environment temperature, Reach it rapidly near set temperature value, to meet user's fast-refrigerating or the quick comfort level that heats.
Embodiment 8
Preferably, after rate-determining steps select low output operational mode,
The judgment step be also used to judge whether △ T=0 DEG C true (supplement: △ T=| TInner ring-TSetting| theoretically and Need to detect real-time TInner ring) and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection.
By the way that after rate-determining steps select low output operational mode, the judgment step is also used to judge that △ T=0 DEG C is No establishment and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true, can judge TInner ringWhether (indoor environment temperature) has arrived Up to TSetting(indoor set temperature) and whether there is also the rate of temperature change being not zero, and can effectively and accurately judge in this way Whether indoor environment temperature can accurately reach and stablize in set temperature, most for air-conditioner control system and method for the invention Control purpose provides judging means eventually.
Preferably, if △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min is set up simultaneously, illustrates TInner ringStablize in TSetting's Temperature then maintains air-conditioning stable operation under the operational mode that rate-determining steps select;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, illustrates TInner ringIt does not arrive also Up to TSettingTInner ringReach TSettingBut it cannot stablize there are still percentage speed variation (percentage speed variation is not zero) in TSetting, then examine It surveys step and is reused for detection indoor environment temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.The ambient-temp-stable of air-conditioning can be controlled in this way and effective control means are provided.
Embodiment 9
Preferably, after rate-determining steps select high output operational mode, then detecting step is reused for sensing chamber's inner ring Border temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.Work as rate-determining steps After the high output operational mode of selection, illustrate TInner ringWith TSettingBetween differ larger, then need further to cool down or heating could be into One step is close to TSetting, therefore return it to detection TInner ringThe step of, T is detected againInner ring, recalculate △ T and rejudge △ T whether≤T1, so that control system and control method of the invention circularly continuous service.
Embodiment 10
Preferably, the detecting step is also used in detection indoor environment temperature TInner ringBefore, for detecting whether air-conditioning sets Determine specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
By in detection TInner ringSetting specific run mode is also detected whether before, and excellent if setting specific run mode It first runs specific run mode, run ambient-temp-stable operational mode of the invention if not setting, room of the invention can be prevented Warm stable mode interferes with the specific run mode of normal air-conditioning, so that air-conditioning is based on specific run mode, ambient-temp-stable Supplemented by mode, to realize the adjusting to air-conditioning accurate temperature controller.
It is further preferred that the specific run mode includes at least one of following modes: air-out mode sets mould Formula, windscreen setting mode, compressor operating frequency set mode.This is the preferred several of the specific run mode of air-conditioning of the invention Kind operational mode: air-out mode setting mode (may include micropore outlet air, wind deflector outlet air, wind-guiding grate outlet air, be adjusted Wind area), windscreen sets mode (may include the gear of one grade of lower limit, no maximum, be adjusted wind velocity), compressor operation frequency Rate sets mode (speed for adjusting compressor operation rate).
It is further preferred that judgment step judges air-conditioning:
Whether air-out mode is set, if so, by the air-out mode operation of setting, if it is not, then steady by room temperature of the invention Mould-fixed is adjusted;
Whether set windscreen, if so, by setting windscreen operation, if it is not, then by ambient-temp-stable mode of the invention into Row is adjusted;
Whether the running frequency of compressor is set, if so, by the compressor operating frequency operation of setting, if it is not, then pressing Ambient-temp-stable mode of the invention is adjusted.
The present invention uses intelligent temperature control system under micropore air-out mode, when indoor unit detect indoor environment temperature it is close or When reaching set temperature, air-out mode automatically switches to micropore outlet air by grid outlet air, so that air quantity reduces, refrigerating capacity reduces, Temperature drop rate is reduced, the refrigerating capacity output of indoor unit reaches balance with indoor environment load, so that indoor environment temperature be kept to reach It maintains to stablize after to set temperature, reduces fluctuations in indoor temperature, improve user's comforts of use, while compression can also be reduced Machine on-off frequency extends air-conditioning service life.
Air conditioner indoor unit exhaust apparatus of the invention has wind-guiding plate type (or wind-guiding grate formula) and pore type both of which, It can achieve the purpose that accurate temperature controller, preferred embodiment is specifically controlled by adjusting air-out mode, rotation speed of fan, compressor frequency etc. Mode processed is as follows:
A) air-conditioning is switched on;
B) whether detection user sets air-out mode, if so, entering step c, otherwise enters step d;
C) it is run by air-out mode mode set by user;
D) whether detection user sets windscreen, if so, entering step e, otherwise enters step f;
E) it is run by windscreen set by user;
F) whether detection user sets compressor operating frequency, if so, entering step g, otherwise enters step h;
G) it is run by frequency set by user;
H) indoor environment temperature T inner ring is detected, △ T=is calculated | T inner ring-T setting |;
I) judge whether △ T≤T1 (T1 can use any positive number) is very, if so, entering step k, otherwise to enter step j;
J) 1. air-out mode is converted to wind-guiding plate type (or wind-guiding grate formula);
2. windscreen increases one grade;
3. compressor operating frequency increases;
Return step i later;
K) 1. air-out mode is converted to pore type;
2. windscreen reduces by one grade;
3. compressor operating frequency reduces;
L is entered step later;
L) judge △ T=0 DEG C, and whether (T inner ring 1-T inner ring 2)/△ t=0 DEG C/min is true, if so, m is entered step, Otherwise i is entered step;
Maintain above-mentioned air-out mode, windscreen, frequency stabilization operation.
When user sends instruction (such as changing air-conditioning setting by remote controler, cell phone application control mode) to air-conditioning, into Enter step b, d, f.
"≤" in above description replaces with " < ", within the scope of also belonging to this patent.
Above-mentioned steps b, d, f can connect execution, in parallel can also execute;In above-mentioned steps j, k, movement 1., 2., 3. can be simultaneously Connection executes, and can also connect execution.
First alternate embodiment of preferred embodiment: precise temperature control system and method based on micropore outlet air control are shown in figure 2;
Second alternate embodiment of preferred embodiment: the precise temperature control system and method for control are adjusted based on wind speed, sees figure 3;
Second alternate embodiment of preferred embodiment: the precise temperature control system and method for control are adjusted based on frequency, sees figure 4;
Three kinds of schemes of above-mentioned first, second, and third alternate embodiment can be used alone, and can also be used with combination of two.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this The protection scope of invention.

Claims (14)

1. a kind of air-conditioner control system, it is characterised in that: the air-conditioning includes exporting the relatively low low output operation mould of energy Formula and the higher high output operational mode of output energy, the air-conditioning can mutually switch between two operational mode, and described Control system includes:
Detection unit, for detecting indoor environment temperature TInner ring
Judging unit, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor the interior of air-conditioning Set temperature, T1For setting value, desirable any positive number;
Control unit, for selecting low output operational mode or high output operational mode operation according to the judging result of judging unit Air-conditioning;
After control unit selects low output operational mode,
The judging unit is also used to judge whether △ T=0 DEG C true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min is set up simultaneously, then the institute for maintaining air-conditioning to select in control unit State stable operation under operational mode;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, then detection unit is reused for examining Survey indoor environment temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.
2. control system according to claim 1, it is characterised in that: as △ T≤T1, select low output operation mould at this time Formula runs air-conditioning;
As △ T ﹥ T1, the high output operational mode of selection at this time runs air-conditioning.
3. control system described in one of -2 according to claim 1, it is characterised in that: the low output operational mode includes outlet air Mouth pore type, windscreen reduce at least one of at least one gear, compressor operating frequency reduction regulative mode;
The high output operational mode includes that guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, compression At least one of machine running frequency raising regulative mode.
4. control system described in one of -2 according to claim 1, it is characterised in that: select high output operation mould in control unit After formula, then detection unit is reused for detection indoor environment temperature TInner ring;Judging unit is reused for calculating △ T=| TInner ring- TSetting|, and judge △ T≤T1It is whether true.
5. control system described in one of -2 according to claim 1, it is characterised in that: the detection unit is also used in sensing chamber Interior environment temperature TInner ringBefore, for detecting whether air-conditioning sets specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
6. control system according to claim 5, it is characterised in that: the specific run mode includes in following modes At least one: air-out mode sets mode, windscreen setting mode, compressor operating frequency and sets mode.
7. a kind of control method of the air-conditioner control system as described in one of claim 1-6, it is characterised in that: include:
Detecting step, for detecting indoor environment temperature TInner ring
Judgment step, for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1Whether establishment, wherein TSettingFor the interior of air-conditioning Set temperature, T1For setting value, desirable any positive number;
Rate-determining steps, for selecting low output operational mode or high output operational mode operation according to the judging result of judgment step Air-conditioning.
8. control method according to claim 7, it is characterised in that: as △ T≤T1, select low output operation mould at this time Formula runs air-conditioning;
As △ T ﹥ T1, the high output operational mode of selection at this time runs air-conditioning.
9. the control method according to one of claim 7-8, it is characterised in that: the low output operational mode includes outlet air Mouth pore type, windscreen reduce at least one of at least one gear, compressor operating frequency reduction regulative mode;
The high output operational mode includes that guide vanes at air outlet formula or wind-guiding grate formula, windscreen increase at least one gear, compression At least one of machine running frequency raising regulative mode.
10. the control method according to one of claim 7-8, it is characterised in that: select low output operation in rate-determining steps After mode,
The judgment step is also used to judge whether △ T=0 DEG C true and (TInner ring 1-TInner ring 2Whether)/△ t=0 DEG C/min is true,
Wherein: TInner ring 1For the inner ring temperature of t moment detection, TInner ring 2For the inner ring temperature of t+ △ t moment detection.
11. control method according to claim 10, it is characterised in that: if △ T=0 DEG C and (TInner ring 1-TInner ring 2)/△ t=0 DEG C/min sets up simultaneously, then maintain air-conditioning stable operation under the operational mode that rate-determining steps select;
If △ T=0 DEG C and (TInner ring 1-TInner ring 2Any of)/△ t=0 DEG C/min is invalid, then detecting step is reused for examining Survey indoor environment temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring-TSetting|, and judge △ T≤T1It is whether true.
12. the control method according to one of claim 7-8, it is characterised in that: select high output operation in rate-determining steps After mode, then detecting step is reused for detection indoor environment temperature TInner ring;Judgment step is reused for calculating △ T=| TInner ring- TSetting|, and judge △ T≤T1It is whether true.
13. the control method according to one of claim 7-8, it is characterised in that: the detecting step is also used to detecting Indoor environment temperature TInner ringBefore, for detecting whether air-conditioning sets specific run mode:
If setting specific run mode, by the specific run mode operation air-conditioning;
If not setting specific run mode, indoor environment temperature T is continued to testInner ring
14. control method according to claim 13, it is characterised in that: the specific run mode includes in following modes At least one: air-out mode set mode, windscreen setting mode, compressor operating frequency set mode.
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