CN105135612A - Variable frequency air conditioner control method - Google Patents
Variable frequency air conditioner control method Download PDFInfo
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- CN105135612A CN105135612A CN201510545688.6A CN201510545688A CN105135612A CN 105135612 A CN105135612 A CN 105135612A CN 201510545688 A CN201510545688 A CN 201510545688A CN 105135612 A CN105135612 A CN 105135612A
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Abstract
The invention discloses a variable frequency air conditioner control method which comprises the following steps: an air conditioner is powered on to run a refrigeration mode; when the air conditioner is in room temperature PID control, a current indoor temperature detected by an indoor temperature sensor is obtained and is used as a first indoor temperature, the difference between the first indoor temperature and a set compensation temperature is used as a second indoor temperature, the temperature difference between the second indoor temperature and a current indoor target temperature is calculated to obtain an indoor temperature difference, and room-temperature PID calculation is conducted according to the indoor temperature difference to obtain a first target frequency; and the second indoor temperature is compared with a set comfortable temperature, and room-temperature PID control or dual PID control is determined to be executed according to the comparison result. Through the application of the variable frequency air conditioner control method, when the problem of uncomfortable cooling, which is caused by the fact that cold air is blown out from a traditional variable frequency air conditioner, is solved, indoor temperature adjusting comfort as well as properties of lower consumption and energy conservation of the air conditioner is taken into account.
Description
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to a kind of control method for frequency conversion air conditioner.
Background technology
Hot summer, a lot of people be unable to do without air-conditioning the whole day and night.But it is a lot of to the harm of human body to blow air-conditioning for a long time, easy air conditioner disease.
Although existing convertible frequency air-conditioner can control compressor operating frequency, it controls, according to the indoor objects temperature being only indoor temperature and setting, can not change air conditioning exhausting temperature.And for reaching fast-refrigerating, existing air-conditioned leaving air temp will far below design temperature, air conditioning exhausting temperature is low, and the wind of blowout is cold wind.Cold wind blows on the person, feels very uncomfortable, and flu of easily catching a cold.Blast-cold air-blowing flu of catching a cold all is afraid of more by a lot of family, takes air-ventilating garments daytime and blows air-conditioning, opens air-conditioning at night, while be covered with thick cotton-wadded quilt, think and this prevents air conditioner disease when sleep.But cold air can enter human body from respiratory tract, the time of blowing has been grown and has still had that mouth and nose are dry, the cold symptoms such as to have sore throat, and fundamentally can not solve the uncomfortable problem of refrigeration.
On the other hand, to indoor temperature regulate comfortableness and energy saving be evaluate two important indicators of household air-conditioner quality at present.If indoor temperature to be adjusted to the overlong time of design temperature, user cannot place oneself in the midst of the environment with suitable design temperature fast, causes the comfortableness of user's using air-condition device to decline.Because the power consumption of current air-conditioner in various household electrical appliance tops the list, air-conditioner energy consumption is high, and electrical network power consumption is serious, especially in summer, often causes serious severe power shortage due to the use of air-conditioner.
Thus, the temperature how improving air-conditioner regulates comfortableness and reduces the power consumption of air-conditioner, is the focus and emphasis of air-conditioner industry research always.
Summary of the invention
The object of this invention is to provide a kind of control method for frequency conversion air conditioner, while solution existing convertible frequency air-conditioner blowing cold air and causing freezes uncomfortable problem, take into account the low-power consumption energy saving of thermoregulator comfortableness and air-conditioner in air conditioner chamber.
For achieving the above object, the present invention adopts following technical proposals to be achieved:
A kind of control method for frequency conversion air conditioner, described convertible frequency air-conditioner is wall-hanging air conditioner, and described method comprises:
Air-conditioning start running refrigerating pattern, when air-conditioner enters room temperature PID control, obtain the current indoor temperature that indoor temperature transmitter detects, as the first indoor temperature, using the difference of described first indoor temperature and setting compensation temperature as the second indoor temperature, calculate the temperature difference between described second indoor temperature and current indoor target temperature, obtain the indoor temperature difference, carry out room temperature PID computing according to the described indoor temperature difference, obtain first object frequency;
The comfort temperature of described second indoor temperature and setting is made comparisons;
If described second indoor temperature is not less than described comfort temperature, performs following room temperature PID and control:
Compressor according to described first object FREQUENCY CONTROL;
If described second indoor temperature is less than described comfort temperature, performs following dual PID and control:
Detect the coil temperature of A/C evaporator, the temperature difference between the coil pipe target temperature calculating described coil temperature and setting, obtains the coil pipe temperature difference, carries out coiling warm PID arithmetic, obtain the second target frequency according to the described coil pipe temperature difference; Described compressor is controlled according to the smaller value in described first object frequency and described second target frequency.
Control method for frequency conversion air conditioner as above, described setting compensation temperature prestores and call, corresponding with described current indoor target temperature and described current outdoor temperature compensation temperature.
Control method for frequency conversion air conditioner as above,
Described setting compensation temperature is by following method call:
Described current indoor target temperature and the indoor objects temperature range prestored are made comparisons, judges the indoor objects temperature range belonging to described current indoor target temperature; Described current outdoor temperature and the outdoor temperature scope prestored are made comparisons, judges the outdoor temperature scope belonging to described current outdoor temperature; According to searching in that prestore, corresponding with indoor objects temperature range and outdoor temperature scope multiple compensation temperatures with the indoor objects temperature range belonging to described current indoor target temperature and the corresponding compensation temperature of the outdoor temperature scope belonging to described current outdoor temperature as described setting compensation temperature, and call.
Control method for frequency conversion air conditioner as above, when performing described dual PID and controlling, the described indoor temperature of real-time detection, calculate described second indoor temperature, and described second indoor temperature and described comfort temperature are made comparisons, when described second indoor temperature is not less than described comfort temperature, exits described dual PID and control, perform described room temperature PID and control.
Control method for frequency conversion air conditioner as above, when performing described dual PID and controlling, the described indoor temperature of real-time detection, calculate described second indoor temperature, and described second indoor temperature and described comfort temperature are made comparisons, when described second indoor temperature is not less than described comfort temperature and the difference of described second indoor temperature and described comfort temperature is greater than the difference of setting, exits described dual PID and control, perform described room temperature PID and control.
Control method for frequency conversion air conditioner as above, when performing described dual PID and controlling, obtain the current operation frequency of described compressor, using the original frequency of described current operation frequency as described dish temperature PID arithmetic, and carry out described dish temperature PID arithmetic according to the described coil pipe temperature difference.
Control method for frequency conversion air conditioner as above, in air conditioner refrigerating running, if the wind speed that user sets detected, then the blower fan controlling air-conditioning runs according to the wind speed of described setting; Otherwise, control described blower fan and run according to highest wind velocity.
Compared with prior art, advantage of the present invention and good effect are:
Adopt method of the present invention, before air-conditioner enters room temperature PID control, the current indoor temperature that indoor temperature transmitter detects is not compensated, control compressor operating according to normal control mode, indoor temperature is reduced fast, ensures the comfortableness that indoor temperature regulates; When air-conditioner enters room temperature PID control, by setting comfort temperature, according to the size of indoor temperature and comfort temperature, select to adopt room temperature PID to control or adopt the dish temperature PID based on evaporator coil temperature to control, when room temperature height in time, fast room is lowered the temperature, refrigeration object can be reached, coil temperature can be stabilized in coil pipe target temperature again, make air conditioning exhausting temperature pleasant, reach cool and not cold comfortable cooling effect.And, room temperature PID is controlled, setting compensation temperature is utilized to compensate current indoor temperature, the benchmark indoor temperature that temperature after compensating controls as room temperature PID, reduce benchmark indoor temperature, make benchmark indoor temperature correspond to the actual temperature in user's main activities space closer to indoor, compressor operating frequency can be reduced, reduce energy consumption of compressor, realize energy saving.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the flow chart of a control method for frequency conversion air conditioner of the present invention embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
The temperature how improving transducer air conditioning regulates comfortableness and reduces the power consumption of air-conditioner, is the focus and emphasis of air-conditioner industry research always.Prior art is in raising transducer air conditioning comfortableness and reduce in power consumption, be mostly the control algolithm concentrating on air-conditioner process on, such as, adopt pid algorithm, FUZZY ALGORITHMS FOR CONTROL etc.No matter be which kind of control algolithm, when using current indoor temperature as parameter, be all the indoor temperature that detects of the indoor temperature transmitter directly arranged on air-conditioning as current indoor temperature, and then using indoor temperature as with reference to parameter, perform different control.But prior art all ignores a kind of phenomenon, that is: for wall-hanging air conditioner, in room, installation site is relatively high, is generally all arranged on the position on distance about 2 meters, ground.Indoor temperature transmitter air-conditioning being used for detect indoor temperature is generally positioned on air-conditioner air inlet or evaporimeter, and thus, the air themperature that indoor temperature transmitter detects is the temperature of the air of about the 2 meters At The Heights in distance ground.And in room, user's main activities Spatial General 6 R is the area of space from ground to distance about 1.35 meters, ground.According to the theory of molecular motion, cold air moves downward.So, when air-conditioner running refrigerating pattern, because cold air sinks, the temperature of upper air is also than the temperature drift of lower air.Thus the temperature drift that indoor temperature transmitter detects is in the temperature in user's main activities space.The present invention is based on this phenomenon, this angle of temperature itself is set out indoor, proposes a kind of air-conditioner control technology scheme taking into account the low-power consumption energy saving of thermoregulator comfortableness and air-conditioner in air conditioner chamber.
Refer to Fig. 1, this figure is depicted as the flow chart of a control method for frequency conversion air conditioner of the present invention embodiment.
As shown in Figure 1, this embodiment realizes control method for frequency conversion air conditioner, to realize the detailed process of wall-hanging refrigerating of convertible frequency air conditioner control method specifically as follows:
Step 101: air-conditioning is started shooting, controls compressor operating.
Air-conditioning start after, by set according to user or acquiescence operational mode and operational factor, according to predetermined control program control compressor operating.
Step 102: judge whether air-conditioner enters room temperature PID and control.If so, step 104 is performed; If not, step 103 is performed.
In airconditioning control process, by according to whether entering room temperature PID to the control of compressor control to perform different control, specifically, whether room temperature PID is entered to compressor and controls to be the necessary condition determining whether to compensate indoor temperature.
Wherein, room temperature PID to control to refer to according to the temperature difference of current indoor temperature and indoor objects temperature as control objectives, performs a kind of control procedure that PID controls.And, after air-conditioning start, and non-immediate enters room temperature PID control, generally just enter PID after the certain value that has a narrow range of temperature between current indoor temperature and indoor objects temperature to control, therefore, can judge whether air-conditioner enters room temperature PID and control according to whether the temperature difference between current indoor temperature and indoor objects temperature is little to certain value.In addition, other can also to be adopted in prior art to judge, and whether air-conditioner enters the method that room temperature PID controls and judges.
Step 103: if step 102 judges that air-conditioner does not also enter room temperature PID and controls, conveniently control method controls compressor.
Also namely, control if air-conditioning does not also enter room temperature PID, then do not perform the process that indoor temperature compensates, but conveniently control method controls compressor.Wherein, conventional control methods refers to the control method of existing transducer air conditioning.Such as, the control method of existing air-conditioner is: the temperature difference between indoor temperature and indoor objects temperature is greater than when setting the temperature difference, controls compressor high frequency and runs, until the temperature difference of indoor temperature and indoor objects temperature is not more than the setting temperature difference.So, when compressor operating time does not also reach setting running time, if compressor wants high frequency to run in conventional control methods, then maintenance high frequency running status, make indoor temperature can approach indoor objects temperature fast, rapidly for user provides an indoor environment be comparatively suitable for.
Conveniently control method controls in compressor operating process, still constantly performs and judges whether air-conditioning enters the process of room temperature PID control.
Step 104: if step 102 judges that air-conditioning enters room temperature PID and controls, will compensate indoor temperature, then, utilizes the indoor temperature after compensating to calculate the compressor frequency of room temperature PID control.
Specifically, when judging that air-conditioning enters room temperature PID control, obtaining the current indoor temperature that indoor temperature transmitter detects, as the first indoor temperature, calculating the difference of the first indoor temperature and setting compensation temperature, as the second indoor temperature.
Wherein, setting compensation temperature is the temperature value prestoring, can call at any time, is also obtained by special experiment condition and the test of special test means and be written to the numerical value in accumulator for air conditioner before air-conditioning dispatches from the factory, by air-conditioning research staff.When reaching setting running time when the compressor is operating, meet condition indoor temperature being compensated to control, then obtain current indoor temperature detected by indoor temperature transmitter, using this current indoor temperature as the first indoor temperature.Then, obtain setting compensation temperature, calculate the difference of the first indoor temperature and setting compensation temperature, using this difference as the second indoor temperature.Then, step 105 is performed.
Step 105: the temperature difference calculating the second indoor temperature and indoor objects temperature, obtains the indoor temperature difference, carries out room temperature PID computing according to the indoor temperature difference, obtains compressor first object frequency.
Wherein, carry out room temperature PID computing according to the indoor temperature difference, obtain and can adopt prior art to realize to the concrete grammar of the target frequency that compressor controls.But unlike the prior art, the indoor temperature calculating the indoor temperature difference is not the temperature that indoor temperature transmitter detects, but the second indoor temperature obtained after temperature-compensating has been carried out to the temperature detected.
Step 106: whether the second indoor temperature that determining step 104 obtains is less than comfort temperature.If so, the dual PID performing step 108 and subsequent step controls; Otherwise the room temperature PID performing step 107 controls.
This step 106 can be carried out with step 104 and step 105 simultaneously, is divided into that to describe sequentially be only control procedure in order to clearly state this embodiment at this.After step 104 obtains the second indoor temperature, the comfort temperature of the second indoor temperature and setting is made comparisons, and judge whether the second indoor temperature is less than comfort temperature.Wherein, comfort temperature can be a default setting temperature of air-conditioning when dispatching from the factory, and also can be selected voluntarily by user and arrange design temperature.If by user's sets itself, air-conditioning can provide a reference temperature value, for reference.Such as, advise this comfort temperature to be set as 27 DEG C.
Step 107: if the second indoor temperature is not less than comfort temperature, performs room temperature PID and controls, according to first object FREQUENCY CONTROL compressor.
If step 106 judges that the second indoor temperature is not less than comfort temperature, show that now indoor temperature is higher, then perform room temperature PID and control, according to first object FREQUENCY CONTROL compressor, make indoor temperature fast cooling to indoor objects temperature.
Step 108: if the second indoor temperature is less than comfort temperature, performs dual PID and controls.
If step 106 judges that indoor temperature is less than comfort temperature, cause body sense uncomfortable for avoiding the too fast decline of temperature, perform dual PID to control, so that adjustment compressor operating frequency in time, make evaporator coil temperature can be stabilized to coil pipe target temperature, to adjust air conditioning exhausting temperature, reach cool and not cold comfortable air-out effect.The process that concrete dual PID controls is see the description of step 109 and step 110 below.
Step 109: the coil temperature detecting evaporimeter, carries out coiling warm PID arithmetic according to the coil pipe temperature difference, obtains the second target frequency.
The detection of the coil temperature of evaporimeter detects by set temperature sensor on evaporator coil.After detecting coil temperature, calculate the temperature difference between coil temperature and the coil pipe target temperature of setting, using this temperature difference as the coil pipe temperature difference.Wherein, coil pipe target temperature can be a default setting temperature of convertible frequency air-conditioner when dispatching from the factory, and can certainly be selected voluntarily by user and arrange design temperature.If by user's sets itself, because user is not very clear and definite for the concept of coil temperature and the performance indications of representative thereof, preferably provide a reference temperature value by convertible frequency air-conditioner, for reference selected.Such as, advise this coil pipe target temperature to be set as 14 DEG C.Then, carry out coiling warm PID arithmetic according to the coil pipe temperature difference, obtain the target frequency that compressor is controlled, and this target frequency is defined as the second target frequency.Coil warm PID arithmetic and obtain the method that can obtain compressor target frequency to the method for the target frequency that compressor controls with reference to room temperature PID computing of the prior art.Wherein, the original frequency coiling warm PID arithmetic can be the original frequency of a setting.Preferably, the original frequency coiling warm PID arithmetic is step: 106 judge that indoor temperature is less than comfort temperature, performs the current operation frequency of compressor when dual PID controls.And this current operation frequency is at least a running frequency after compressor operating a period of time (as 3min).
Step 110: the smaller value in the second target frequency that the first object frequency calculated according to step 105 and step 109 calculate controls compressor.
When indoor temperature is less than comfort temperature, warm PID arithmetic is coiled in coil pipe target temperature execution according to coil temperature and setting, and according to room temperature PID computing export first object frequency and coil warm PID arithmetic export the second target frequency in smaller value control compressor operating, while refrigeration cool-down, adjust coil temperature, coil temperature can be approached to coil pipe target temperature.
As previously indicated, when air-conditioner running refrigerating pattern, the temperature that indoor temperature transmitter detects is higher than the temperature in user's main activities space.If the temperature still detected according to indoor temperature transmitter participates in PID arithmetic as indoor temperature, indoor temperature difference during PID arithmetic is bigger than normal, the compressor target frequency calculated is higher, controls compressor and runs according to higher target frequency, cause air-conditioner energy consumption bigger than normal.And adopt the method for this embodiment, first the indoor temperature of detection is deducted a compensation temperature, obtain the second indoor temperature being less than the current indoor temperature of detection, and this second indoor temperature reflects the temperature in user's main activities space more realistically.When the second indoor temperature utilizing this less than normal participates in PID arithmetic, can obtain less compressor target frequency, the target frequency utilizing this less controls compressor operating, reduces energy consumption.And, because this second indoor temperature reflects the temperature in user's main activities space more realistically, thus, the indoor temperature after regulating also can be made more close to indoor design temperature, and there will not be the problem of overshoot, while satisfied temperature regulates comfortableness, reduce air-conditioner energy consumption.Meanwhile, by arranging comfort temperature, the second indoor temperature and comfort temperature being made comparisons, when indoor temperature is higher, adopts room temperature PID to control compressor operating, make indoor temperature fast cooling and approach indoor objects temperature.When indoor temperature is less than comfort temperature, adopt room temperature PID to control to control with the dual PID that controls of the warm PID of dish: just to enter coil warm PID control time, coil warm PID to control to play a major role, while cooling, preferentially make coil temperature rise to approach coil pipe target temperature; And when coil temperature is close to coil pipe target temperature, room temperature PID plays a major role, make indoor temperature be stabilized in indoor objects temperature, avoid causing because of room temperature overshoot air-conditioning to shut down the generation of phenomenon.Thus, in whole refrigeration control process, the basis approaching indoor objects temperature making indoor temperature making coil temperature approach coil pipe design temperature, both having met room temperature and having regulated, having realized again the comfortableness of air conditioning exhausting, reach cool and not cold refrigeration.
It should be noted that, in the process performing dual PID control, still constantly compare the size of the second indoor temperature and comfort temperature.Once indoor temperature is not less than comfort temperature, then exits dual PID control procedure, be transferred to room temperature PID control procedure.
And, in whole control procedure, not compressor runs the compensation just performing indoor temperature at the beginning, but first keep compressor conveniently control strategy operation, ensure that indoor temperature can conveniently control mode, rapidly near indoor objects temperature, the speed of indoor temperature comfort conditioning can not be affected.
As preferred embodiment, when indoor temperature is not less than comfort temperature and the difference of indoor temperature and comfort temperature is greater than the difference of setting, then exit dual PID control procedure, be transferred to room temperature PID control procedure.By the difference that choose reasonable sets, such as, be set as 1 DEG C, can guarantee that coil temperature is not less than coil pipe target temperature, ensure out cool and not cold comfortableness.
And, run in control procedure, if the non-wind speed setting of user at the air conditioner refrigerating of this embodiment, then control air-conditioning draught fan to run according to highest wind velocity, because under same refrigerating capacity, the leaving air temp of high wind speed is higher than the leaving air temp of low wind speed, guarantees that leaving air temp can not be too low further.And if the wind speed that user sets detected, then control blower fan according to setting wind speed run.
In the above-described embodiments, performing how many temperature-compensatings to indoor temperature, is concern the key factor that air-conditioner controls comfortableness and energy saving.Also namely, selecting of setting compensation temperature is key factor wherein.
As preferred embodiment, the setting compensation temperature prestore in air-conditioning, called at any time is a compensation temperature corresponding with indoor objects temperature and outdoor temperature.Determine setting compensation temperature based on indoor objects temperature and outdoor temperature, can realize the Reasonable Regulation And Control of function of temperature compensation control in degree of compensation based on operation of air conditioner load, reach the equilibrium of Thermal comfort adjustment and low energy consumption energy saving.
And what prestore in air-conditioning is indoor objects temperature range, outdoor temperature scope and the multiple compensation temperatures corresponding with indoor objects temperature range and outdoor temperature scope.When performing function of temperature compensation control in operation of air conditioner process, setting compensation temperature is called by following process:
Current indoor target temperature and the indoor objects temperature range prestored are made comparisons, judges the indoor objects temperature range belonging to current indoor target temperature; Current outdoor temperature and the outdoor temperature scope prestored are made comparisons, judges the outdoor temperature scope belonging to current outdoor temperature; According to searching in that prestore, corresponding with indoor objects temperature range and outdoor temperature scope multiple compensation temperatures with the indoor objects temperature range belonging to current indoor target temperature and the corresponding compensation temperature of the outdoor temperature scope belonging to current outdoor temperature as setting compensation temperature, and call.
The above-mentioned mode with temperature range is determined and is called setting compensation temperature, and data processing amount is little, and control procedure is simple, is more conducive to carrying out controlling in time, effectively to air-conditioner, improves the speed that Thermal comfort regulates, and reduces operation energy consumption.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (7)
1. a control method for frequency conversion air conditioner, described convertible frequency air-conditioner is wall-hanging air conditioner, it is characterized in that, described method comprises:
Air-conditioning start running refrigerating pattern, when air-conditioner enters room temperature PID control, obtain the current indoor temperature that indoor temperature transmitter detects, as the first indoor temperature, using the difference of described first indoor temperature and setting compensation temperature as the second indoor temperature, calculate the temperature difference between described second indoor temperature and current indoor target temperature, obtain the indoor temperature difference, carry out room temperature PID computing according to the described indoor temperature difference, obtain first object frequency;
The comfort temperature of described second indoor temperature and setting is made comparisons;
If described second indoor temperature is not less than described comfort temperature, performs following room temperature PID and control:
Compressor according to described first object FREQUENCY CONTROL;
If described second indoor temperature is less than described comfort temperature, performs following dual PID and control:
Detect the coil temperature of A/C evaporator, the temperature difference between the coil pipe target temperature calculating described coil temperature and setting, obtains the coil pipe temperature difference, carries out coiling warm PID arithmetic, obtain the second target frequency according to the described coil pipe temperature difference; Described compressor is controlled according to the smaller value in described first object frequency and described second target frequency.
2. control method for frequency conversion air conditioner according to claim 1, is characterized in that, described setting compensation temperature prestores and call, corresponding with described current indoor target temperature and described current outdoor temperature compensation temperature.
3. control method for frequency conversion air conditioner according to claim 2, is characterized in that,
Described setting compensation temperature is by following method call:
Described current indoor target temperature and the indoor objects temperature range prestored are made comparisons, judges the indoor objects temperature range belonging to described current indoor target temperature; Described current outdoor temperature and the outdoor temperature scope prestored are made comparisons, judges the outdoor temperature scope belonging to described current outdoor temperature; According to searching in that prestore, corresponding with indoor objects temperature range and outdoor temperature scope multiple compensation temperatures with the indoor objects temperature range belonging to described current indoor target temperature and the corresponding compensation temperature of the outdoor temperature scope belonging to described current outdoor temperature as described setting compensation temperature, and call.
4. control method for frequency conversion air conditioner according to any one of claim 1 to 3, it is characterized in that, when performing described dual PID and controlling, the described indoor temperature of real-time detection, calculate described second indoor temperature, and described second indoor temperature and described comfort temperature are made comparisons, when described second indoor temperature is not less than described comfort temperature, exit described dual PID to control, perform described room temperature PID and control.
5. control method for frequency conversion air conditioner according to claim 4, it is characterized in that, when performing described dual PID and controlling, the described indoor temperature of real-time detection, calculate described second indoor temperature, and described second indoor temperature and described comfort temperature are made comparisons, when described second indoor temperature is not less than described comfort temperature and the difference of described second indoor temperature and described comfort temperature is greater than the difference of setting, exit described dual PID to control, perform described room temperature PID and control.
6. control method for frequency conversion air conditioner according to claim 1, it is characterized in that, when performing described dual PID and controlling, obtain the current operation frequency of described compressor, using the original frequency of described current operation frequency as described dish temperature PID arithmetic, and carry out described dish temperature PID arithmetic according to the described coil pipe temperature difference.
7. control method for frequency conversion air conditioner according to claim 1, is characterized in that, in air conditioner refrigerating running, if the wind speed that user sets detected, then the blower fan controlling air-conditioning runs according to the wind speed of described setting; Otherwise, control described blower fan and run according to highest wind velocity.
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| CN105485853A (en) * | 2015-12-29 | 2016-04-13 | 珠海格力电器股份有限公司 | Setting method and device of operation frequency of air conditioner compressor |
| CN105485853B (en) * | 2015-12-29 | 2018-11-09 | 珠海格力电器股份有限公司 | The setting method and device of compressor of air conditioner running frequency |
| CN106052013A (en) * | 2016-05-25 | 2016-10-26 | 青岛海尔空调器有限总公司 | Air conditioner refrigeration control method and device based on distance |
| CN106052013B (en) * | 2016-05-25 | 2017-11-28 | 青岛海尔空调器有限总公司 | The method and device of air conditioner refrigerating control is realized based on distance |
| CN106642551A (en) * | 2016-12-01 | 2017-05-10 | 青岛海尔空调器有限总公司 | Control method of variable-frequency air conditioner |
| CN106705357A (en) * | 2016-12-01 | 2017-05-24 | 青岛海尔空调器有限总公司 | Variable-frequency air conditioner control method |
| CN106671737A (en) * | 2016-12-20 | 2017-05-17 | 南京协众汽车空调集团有限公司 | Electric vehicle variable-frequency air conditioning compressor frequency control method and control system based on hybrid control strategy |
| CN106671737B (en) * | 2016-12-20 | 2019-04-23 | 南京协众汽车空调集团有限公司 | Electric vehicle frequency converting air-conditioner compressor control method for frequency and control system based on hybrid control strategy |
| CN108444053A (en) * | 2017-02-14 | 2018-08-24 | 阿里巴巴集团控股有限公司 | The control system of air-conditioning and the control method of running state of air conditioner |
| CN108444053B (en) * | 2017-02-14 | 2021-05-18 | 阿里巴巴集团控股有限公司 | Control system of air conditioner and control method of air conditioner running state |
| CN113251598A (en) * | 2021-04-20 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air conditioner constant temperature control method and device and air conditioner |
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Application publication date: 20151209 |