CN108518806A - Progress control method, device, compressor, air conditioner and readable storage medium storing program for executing - Google Patents

Progress control method, device, compressor, air conditioner and readable storage medium storing program for executing Download PDF

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Publication number
CN108518806A
CN108518806A CN201810486212.3A CN201810486212A CN108518806A CN 108518806 A CN108518806 A CN 108518806A CN 201810486212 A CN201810486212 A CN 201810486212A CN 108518806 A CN108518806 A CN 108518806A
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China
Prior art keywords
frequency
compressor
default
delivery temperature
temperature
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CN201810486212.3A
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Chinese (zh)
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CN108518806B (en
Inventor
丛凯峰
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Classifications

    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/01—Timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Abstract

The present invention provides a kind of progress control method, device, compressor, air conditioner and readable storage medium storing program for executing, wherein progress control method includes：The delivery temperature of compressor is detected according to prefixed time interval；When detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, history delivery temperature and default weight calculation frequency reducing value；The running frequency of compressor is adjusted according to frequency reducing value.Technical solution through the invention reduces the frequency conversion adjustment number and machine stop times of compressor, reduces fluctuation and the operating pressure of indoor leaving air temp, extend the service life of compressor, improve the stability and reliability of air conditioner operation.

Description

Progress control method, device, compressor, air conditioner and readable storage medium storing program for executing
Technical field
The present invention relates to air conditioner technical fields, in particular to a kind of progress control method, a kind of operation control dress It sets, a kind of compressor, a kind of air conditioner and a kind of computer readable storage medium.
Background technology
For air conditioner during heavy-duty service, the delivery temperature of compressor may be excessively high, this may be decreased compressor Service life and hardware reliability.
In the related technology, include for the delivery temperature protection scheme of compressor：
(1) delivery temperature for determining frequency type reaches preset temperature threshold, then directly shuts down；
(2) there are preset correspondences between the delivery temperature and running frequency of frequency conversion type, i.e., according to the row of detection Temperature degree and preset correspondence adjust the running frequency of compressor in real time.
But there are many technological deficiencies for the delivery temperature protection scheme of above-mentioned compressor：
(1) protection responds not in time, and then compressor assembly is caused continually to shut down and start, this may lead to compressor Hardware is worn, and is shortened the working life；
(2) if running frequency excessively continually changes, Air conditioner refrigerating capacity is caused to change greatly, and then leads to interior The fluctuation of machine leaving air temp is larger, this may influence whether the comfort level experience of user.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of progress control methods.
It is another object of the present invention to provide a kind of operating control devices.
It is another object of the present invention to provide a kind of compressors.
It is another object of the present invention to provide a kind of air conditioners.
It is another object of the present invention to provide a kind of computer readable storage mediums.
To achieve the goals above, embodiment according to the first aspect of the invention, it is proposed that a kind of progress control method, Including：The delivery temperature of compressor is detected according to prefixed time interval；When detecting that delivery temperature belongs to frequency reducing temperature range, According to delivery temperature, history delivery temperature and default weight calculation frequency reducing value；The running frequency of compressor is adjusted according to frequency reducing value.
In the technical scheme, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, going through History delivery temperature and default weight calculation frequency reducing value, since the variation that history delivery temperature reflects the delivery temperature of compressor becomes Gesture, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting number of running frequency, And then the abrasion of compressor can be reduced, extend its service life, meanwhile, the fluctuation of the leaving air temp of indoor unit can be also reduced, Promote the comfort level experience of user.
In the above-mentioned technical solutions, it is preferable that before the delivery temperature for detecting compressor according to prefixed time interval, also wrap It includes：It is ascending to preset first exhaust temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value successively；Determine Temperature range between one delivery temperature threshold value and second exhaust temperature threshold is limited frequency temperature range；Determine second exhaust temperature Temperature range between threshold value and third delivery temperature threshold value is frequency reducing temperature range；Determine be more than third delivery temperature threshold value it Between temperature range be stoppage protection temperature range.
In the technical scheme, pass through frequency temperature range of limiting in advance, frequency reducing temperature range and stoppage protection temperature range, root Different Preservation tactics are respectively adopted to adjust running frequency in temperature range belonging to delivery temperature according to compressor, on the one hand, Can be so that compressor meet the needs of refrigerating capacity, another aspect can reduce frequent starting and the shutdown of compressor, specifically, In limit frequency temperature range, it is only necessary to which the running frequency for limiting compressor is not more than maximum frequency of operation, namely according to system Cold adjusts the frequency of compressor, to meet the temperature control demand of user, in frequency reducing temperature range, needs to combine history exhaust temperature Degree and default weight calculate frequency reducing value, and then the frequency modulation number for reducing compressor needs to control in stoppage protection temperature range Compressor shutdown processed, when the delivery temperature of machine to be compressed decreases below first exhaust temperature threshold, reset itself, to reduce The phenomenon that returning liquid occurs.
Wherein, first exhaust temperature threshold value range is 80 DEG C ± 5 DEG C, and second exhaust temperature threshold value range is 85 DEG C ± 5 DEG C, third delivery temperature threshold value value range is 105 DEG C ± 5 DEG C.
In the above-mentioned technical solutions, it is preferable that when detecting that delivery temperature belongs to frequency reducing temperature range, according to exhaust temperature Degree, history delivery temperature and default weight calculation frequency reducing value, specifically include：Detecting that delivery temperature belongs to frequency reducing temperature range When, determine default calculation formula corresponding with frequency reducing temperature range；Parsing determines the first history exhaust in history delivery temperature Thermograph and the second history delivery temperature record；Parsing determines the first default weight, the second default weight in default weight Weight is preset with third；Delivery temperature, the first history delivery temperature record, the second history delivery temperature record, first are preset Weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total；By weighted sum meter The result of calculation is determined as frequency reducing value, wherein default calculation formula includes：A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+ Kd× (T (K) -2 × T (K-1)+T (K-2)), A (K+1) characterize frequency reducing value, KpCharacterize the first default weight, KiCharacterization second is default Weight, KdIt characterizes third and presets weight, T (K) characterizes delivery temperature, and T (K-1) characterizes the first history delivery temperature record, T (K- 2) the second history delivery temperature of characterization record, the number of K characterization acquisition delivery temperatures, and K is the integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
In the technical scheme, by remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total, Essence is a kind of pid control algorithm, and the adjustment of the frequency in frequency reducing temperature range is reduced by iterating to calculate frequency reducing value A (K+1) Number.
Wherein, in order to avoid the running frequency of compressor adjustment amplitude is too big, setting frequency reducing value is less than or equal to 10Hz.
In the above-mentioned technical solutions, it is preferable that further include：When detecting that delivery temperature belongs to limit frequency temperature range, really Fixed maximum frequency of operation corresponding with preset temperature section；In limit frequency temperature range, control the running frequency of compressor according to Default raising frequency value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation.
In the technical scheme, by limit frequency temperature range, controlling the running frequency of compressor according to default raising frequency Value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation, namely in the exhaust temperature for ensureing compressor When degree is not higher than second exhaust temperature threshold, the running frequency of compressor is improved, to maximize offer refrigerating capacity, and then is maximized Meet the temperature control demand of user.
In the above-mentioned technical solutions, it is preferable that further include：Detecting that delivery temperature belongs to stoppage protection temperature range When, compressor shutdown is controlled, and adjust and preset weight.
In the technical scheme, by when detecting that delivery temperature belongs to stoppage protection temperature range, controlling compressor It shuts down, and adjusts and preset weight, on the one hand, in order to protect the hardware reliability of compressor, compressor shutdown is controlled in time, it is another Aspect may lead to compressor fault since delivery temperature is higher than third delivery temperature threshold value, therefore, the calculating side of frequency reducing value Method demand re-optimization, and by adjusting default weight come avoid as possible compressor delivery temperature be more than third delivery temperature Threshold value.
In the above-mentioned technical solutions, it is preferable that further include：Count the accumulation operation duration and/or recording compressed of compressor The frequency reducing number of machine, and/or calculate the heating rate of delivery temperature；Detecting that it is default tired that accumulation operation duration is greater than or equal to Plot operation duration, and/or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting heating rate When more than or equal to default heating rate, adjusts and preset weight.
In the technical scheme, by detecting accumulation operation duration be greater than or equal to preset cumulative operation duration, and/ Or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting that it is default that heating rate is greater than or equal to It when heating rate, adjusts and presets weight, the adjusting number of the running frequency of compressor can be effectively reduced, reduce heating speed Rate further promotes the stability and reliability of compressor.
In the above-mentioned technical solutions, it is preferable that the running frequency that compressor is adjusted according to frequency reducing value specifically includes：Compare Magnitude relationship between frequency reducing value and default frequency reducing value；When determining that frequency reducing value is greater than or equal to default frequency reducing value, control compression The running frequency of machine subtracts default frequency reducing value；When determining that frequency reducing value is less than default frequency reducing value, the running frequency of compressor is controlled Subtract frequency reducing value.
In the technical scheme, it by comparing the magnitude relationship between frequency reducing value and default frequency reducing value, and is closed according to size System is adjusted running frequency, can avoid the frequency reducing amplitude of compressor excessive as possible, and the hardware to reduce compressor is worn, Further reduce the failure rate of compressor.
Embodiment according to the second aspect of the invention, it is proposed that a kind of operating control device, including：Detection unit is used In the delivery temperature for detecting compressor according to prefixed time interval；Computing unit, for detecting that delivery temperature belongs to frequency reducing When temperature range, according to delivery temperature, history delivery temperature and default weight calculation frequency reducing value；Control unit, for according to drop The running frequency of frequency value adjustment compressor.
In the technical scheme, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, going through History delivery temperature and default weight calculation frequency reducing value, since the variation that history delivery temperature reflects the delivery temperature of compressor becomes Gesture, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting number of running frequency, And then the abrasion of compressor can be reduced, extend its service life, meanwhile, the fluctuation of the leaving air temp of indoor unit can be also reduced, Promote the comfort level experience of user.
In the above-mentioned technical solutions, it is preferable that further include：Default unit presets first exhaust successively for ascending Temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value；Determination unit, for determining first exhaust temperature threshold Temperature range between second exhaust temperature threshold is limited frequency temperature range；Determination unit is additionally operable to：Determine second row temperature The temperature range spent between threshold value and third delivery temperature threshold value is frequency reducing temperature range；Determination unit is additionally operable to：Determination is more than Temperature range between third delivery temperature threshold value is stoppage protection temperature range.
In the technical scheme, pass through frequency temperature range of limiting in advance, frequency reducing temperature range and stoppage protection temperature range, root Different Preservation tactics are respectively adopted to adjust running frequency in temperature range belonging to delivery temperature according to compressor, on the one hand, Can be so that compressor meet the needs of refrigerating capacity, another aspect can reduce frequent starting and the shutdown of compressor, specifically, In limit frequency temperature range, it is only necessary to which the running frequency for limiting compressor is not more than maximum frequency of operation, namely according to system Cold adjusts the frequency of compressor, to meet the temperature control demand of user, in frequency reducing temperature range, needs to combine history exhaust temperature Degree and default weight calculate frequency reducing value, and then the frequency modulation number for reducing compressor needs to control in stoppage protection temperature range Compressor shutdown processed, when the delivery temperature of machine to be compressed decreases below first exhaust temperature threshold, reset itself, to reduce The phenomenon that returning liquid occurs.
Wherein, first exhaust temperature threshold value range is 80 DEG C ± 5 DEG C, and second exhaust temperature threshold value range is 85 DEG C ± 5 DEG C, third delivery temperature threshold value value range is 105 DEG C ± 5 DEG C.
In the above-mentioned technical solutions, it is preferable that computing unit includes：Corresponding subelement, for detecting delivery temperature When belonging to frequency reducing temperature range, default calculation formula corresponding with frequency reducing temperature range is determined；First parsing subunit, for solving Analysis determines the first history delivery temperature record and the second history delivery temperature record in history delivery temperature；Second parsing is single Member determines that the first default weight, the second default weight and third in default weight preset weight for parsing；Addition is single Member is used for delivery temperature, the first history delivery temperature record, the second history delivery temperature record, the first default weight, second Default weight and third preset the default calculation formula of weight substitution and are weighted read group total；Subtraction subunit, for that will weight The result of read group total is determined as frequency reducing value, wherein default calculation formula includes：
A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+Kd× (T (K) -2 × T (K-1)+T (K-2)), A (K+1) Characterize frequency reducing value, KpCharacterize the first default weight, KiCharacterize the second default weight, KdIt characterizes third and presets weight, T (K) characterization rows Temperature degree, T (K-1) characterize the first history delivery temperature record, and T (K-2) characterizes the second history delivery temperature record, and K characterizations are adopted Collect the number of delivery temperature, and K is the positive integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
In the technical scheme, by remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total, Essence is a kind of pid control algorithm, and the adjustment of the frequency in frequency reducing temperature range is reduced by iterating to calculate frequency reducing value A (K+1) Number.
Wherein, in order to avoid the running frequency of compressor adjustment amplitude is too big, setting frequency reducing value is less than or equal to 10Hz.
In the above-mentioned technical solutions, it is preferable that determination unit is additionally operable to：Frequency humidity province is limited detecting that delivery temperature belongs to Between when, determine corresponding with preset temperature section maximum frequency of operation；Control unit is additionally operable to：In limit frequency temperature range, control The running frequency of compressor processed increases according to default raising frequency value, and the running frequency for controlling compressor is less than or equal to maximum run Frequency.
In the technical scheme, by limit frequency temperature range, controlling the running frequency of compressor according to default raising frequency Value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation, namely in the exhaust temperature for ensureing compressor When degree is not higher than second exhaust temperature threshold, the running frequency of compressor is improved, to maximize offer refrigerating capacity, and then is maximized Meet the temperature control demand of user.
In the above-mentioned technical solutions, it is preferable that control unit is additionally operable to：Detecting that delivery temperature belongs to stoppage protection temperature When spending section, compressor shutdown is controlled, and adjust and preset weight.
In the technical scheme, by when detecting that delivery temperature belongs to stoppage protection temperature range, controlling compressor It shuts down, and adjusts and preset weight, on the one hand, in order to protect the hardware reliability of compressor, compressor shutdown is controlled in time, it is another Aspect may lead to compressor fault since delivery temperature is higher than third delivery temperature threshold value, therefore, the calculating side of frequency reducing value Method demand re-optimization, and by adjusting default weight come avoid as possible compressor delivery temperature be more than third delivery temperature Threshold value.
In the above-mentioned technical solutions, it is preferable that further include：Statistic unit, the accumulation operation duration for counting compressor, Recording unit, is used for the frequency reducing number of recording compressed machine, and computing unit is additionally operable to：Calculate the heating rate of delivery temperature；Control Unit is additionally operable to：Accumulation operation duration is being detected more than or equal to preset cumulative operation duration, and/or is detecting frequency reducing time Number is greater than or equal to default frequency reducing number, and/or when detecting that heating rate is greater than or equal to default heating rate, and adjustment is pre- If weight.
In the technical scheme, by detecting accumulation operation duration be greater than or equal to preset cumulative operation duration, and/ Or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting that it is default that heating rate is greater than or equal to It when heating rate, adjusts and presets weight, the adjusting number of the running frequency of compressor can be effectively reduced, reduce heating speed Rate further promotes the stability and reliability of compressor.
In the above-mentioned technical solutions, it is preferable that control unit further includes：Comparing subunit, for compare frequency reducing value with it is pre- If the magnitude relationship between frequency reducing value；Control unit is additionally operable to：When determining that frequency reducing value is greater than or equal to default frequency reducing value, control The running frequency of compressor subtracts default frequency reducing value；Control unit is additionally operable to：When determining that frequency reducing value is less than default frequency reducing value, control The running frequency of compressor processed subtracts frequency reducing value.
In the technical scheme, it by comparing the magnitude relationship between frequency reducing value and default frequency reducing value, and is closed according to size System is adjusted running frequency, can avoid the frequency reducing amplitude of compressor excessive as possible, and the hardware to reduce compressor is worn, Further reduce the failure rate of compressor.
Embodiment according to the third aspect of the invention we, it is proposed that a kind of compressor, including：Such as any of the above-described technical side The operating control device that case limits.
Embodiment according to the fourth aspect of the invention, it is proposed that a kind of air conditioner, including：Such as any of the above-described technical side The compressor that case limits.
Embodiment according to the fifth aspect of the invention, it is proposed that a kind of computer readable storage medium is stored thereon with Computer program, computer program are performed the progress control method realized such as any of the above-described technical solution.
In the technical scheme, advantages of the present invention will provide in following description section, will partly be retouched from following Become apparent in stating, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the schematic flow diagram of progress control method according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of progress control method according to another embodiment of the invention；
Fig. 3 shows the schematic flow diagram of progress control method according to another embodiment of the invention；
Fig. 4 shows the schematic flow diagram of progress control method according to another embodiment of the invention；
Fig. 5 shows the schematic block diagram of operating control device according to an embodiment of the invention；
Fig. 6 shows the schematic block diagram of compressor according to an embodiment of the invention；
Fig. 7 shows the schematic block diagram of air conditioner according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
Embodiment one：
Fig. 1 shows the schematic flow diagram of progress control method according to an embodiment of the invention.
As shown in Figure 1, progress control method according to an embodiment of the invention, including：Step S102, according to preset time The delivery temperature of interval detection compressor；Step S104, when detecting that delivery temperature belongs to frequency reducing temperature range, according to exhaust Temperature, history delivery temperature and default weight calculation frequency reducing value；Step S106 adjusts the operation frequency of compressor according to frequency reducing value Rate.
In the technical scheme, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, going through History delivery temperature and default weight calculation frequency reducing value, since the variation that history delivery temperature reflects the delivery temperature of compressor becomes Gesture, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting number of running frequency, And then the abrasion of compressor can be reduced, extend its service life, meanwhile, the fluctuation of the leaving air temp of indoor unit can be also reduced, Promote the comfort level experience of user.
In the above-mentioned technical solutions, it is preferable that before the delivery temperature for detecting compressor according to prefixed time interval, also wrap It includes：It is ascending to preset first exhaust temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value successively；Determine Temperature range between one delivery temperature threshold value and second exhaust temperature threshold is limited frequency temperature range；Determine second exhaust temperature Temperature range between threshold value and third delivery temperature threshold value is frequency reducing temperature range；Determine be more than third delivery temperature threshold value it Between temperature range be stoppage protection temperature range.
In the technical scheme, pass through frequency temperature range of limiting in advance, frequency reducing temperature range and stoppage protection temperature range, root Different Preservation tactics are respectively adopted to adjust running frequency in temperature range belonging to delivery temperature according to compressor, on the one hand, Can be so that compressor meet the needs of refrigerating capacity, another aspect can reduce frequent starting and the shutdown of compressor, specifically, In limit frequency temperature range, it is only necessary to which the running frequency for limiting compressor is not more than maximum frequency of operation, namely according to system Cold adjusts the frequency of compressor, to meet the temperature control demand of user, in frequency reducing temperature range, needs to combine history exhaust temperature Degree and default weight calculate frequency reducing value, and then the frequency modulation number for reducing compressor needs to control in stoppage protection temperature range Compressor shutdown processed, when the delivery temperature of machine to be compressed decreases below first exhaust temperature threshold, reset itself, to reduce The phenomenon that returning liquid occurs.
Wherein, first exhaust temperature threshold value range is 80 DEG C ± 5 DEG C, and second exhaust temperature threshold value range is 85 DEG C ± 5 DEG C, third delivery temperature threshold value value range is 105 DEG C ± 5 DEG C.
In the above-mentioned technical solutions, it is preferable that when detecting that delivery temperature belongs to frequency reducing temperature range, according to exhaust temperature Degree, history delivery temperature and default weight calculation frequency reducing value, specifically include：Detecting that delivery temperature belongs to frequency reducing temperature range When, determine default calculation formula corresponding with frequency reducing temperature range；Parsing determines the first history exhaust in history delivery temperature Thermograph and the second history delivery temperature record；Parsing determines the first default weight, the second default weight in default weight Weight is preset with third；Delivery temperature, the first history delivery temperature record, the second history delivery temperature record, first are preset Weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total；By weighted sum meter The result of calculation is determined as frequency reducing value, wherein default calculation formula includes：A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+ Kd× (T (K) -2 × T (K-1)+T (K-2)), A (K+1) characterize frequency reducing value, KpCharacterize the first default weight, KiCharacterization second is default Weight, KdIt characterizes third and presets weight, T (K) characterizes delivery temperature, and T (K-1) characterizes the first history delivery temperature record, T (K- 2) the second history delivery temperature of characterization record, the number of K characterization acquisition delivery temperatures, and K is the integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
In the technical scheme, by remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total, Essence is a kind of pid control algorithm, and the adjustment of the frequency in frequency reducing temperature range is reduced by iterating to calculate frequency reducing value A (K+1) Number.
Wherein, in order to avoid the running frequency of compressor adjustment amplitude is too big, setting frequency reducing value is less than or equal to 10Hz.
In the above-mentioned technical solutions, it is preferable that further include：When detecting that delivery temperature belongs to limit frequency temperature range, really Fixed maximum frequency of operation corresponding with preset temperature section；In limit frequency temperature range, control the running frequency of compressor according to Default raising frequency value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation.
In the technical scheme, by limit frequency temperature range, controlling the running frequency of compressor according to default raising frequency Value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation, namely in the exhaust temperature for ensureing compressor When degree is not higher than second exhaust temperature threshold, the running frequency of compressor is improved, to maximize offer refrigerating capacity, and then is maximized Meet the temperature control demand of user.
In the above-mentioned technical solutions, it is preferable that further include：Detecting that delivery temperature belongs to stoppage protection temperature range When, compressor shutdown is controlled, and adjust and preset weight.
In the technical scheme, by when detecting that delivery temperature belongs to stoppage protection temperature range, controlling compressor It shuts down, and adjusts and preset weight, on the one hand, in order to protect the hardware reliability of compressor, compressor shutdown is controlled in time, it is another Aspect may lead to compressor fault since delivery temperature is higher than third delivery temperature threshold value, therefore, the calculating side of frequency reducing value Method demand re-optimization, and by adjusting default weight come avoid as possible compressor delivery temperature be more than third delivery temperature Threshold value.
In the above-mentioned technical solutions, it is preferable that further include：Count the accumulation operation duration and/or recording compressed of compressor The frequency reducing number of machine, and/or calculate the heating rate of delivery temperature；Detecting that it is default tired that accumulation operation duration is greater than or equal to Plot operation duration, and/or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting heating rate When more than or equal to default heating rate, adjusts and preset weight.
In the technical scheme, by detecting accumulation operation duration be greater than or equal to preset cumulative operation duration, and/ Or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting that it is default that heating rate is greater than or equal to It when heating rate, adjusts and presets weight, the adjusting number of the running frequency of compressor can be effectively reduced, reduce heating speed Rate further promotes the stability and reliability of compressor.
In the above-mentioned technical solutions, it is preferable that the running frequency that compressor is adjusted according to frequency reducing value specifically includes：Compare Magnitude relationship between frequency reducing value and default frequency reducing value；When determining that frequency reducing value is greater than or equal to default frequency reducing value, control compression The running frequency of machine subtracts default frequency reducing value；When determining that frequency reducing value is less than default frequency reducing value, the running frequency of compressor is controlled Subtract frequency reducing value.
In the technical scheme, it by comparing the magnitude relationship between frequency reducing value and default frequency reducing value, and is closed according to size System is adjusted running frequency, can avoid the frequency reducing amplitude of compressor excessive as possible, and the hardware to reduce compressor is worn, Further reduce the failure rate of compressor.
Embodiment two：
Fig. 2 shows the schematic flow diagrams of progress control method according to another embodiment of the invention.
As shown in Fig. 2, progress control method according to another embodiment of the invention, including：Step S202, according to pre- If the delivery temperature T (K) of interval detection compressor；Step S204 judges whether T (K) >=Tc is true, if so, executing Step S208, if it is not, thening follow the steps S206；Step S206 need to adjust running frequency according to energy；Step S208 judges T (K) Whether >=Tb is true, if so, S212 is thened follow the steps, if it is not, thening follow the steps S214；Step S210 determines maximum operation frequency Rate；Step S212 judges whether T (K) >=Ta is true, if so, S214 is thened follow the steps, if it is not, thening follow the steps S216；Step S214, compressor shutdown protection；Step S216, the running frequency F (K) of recording compressed machine；Step S218, according to default calculating public affairs Formula determines frequency reducing value A (K+1), and running frequency F (K+1)=F (K)-A (K+1) of compressor is adjusted according to frequency reducing value.
Wherein, Tc is first exhaust temperature threshold, and Tb is second exhaust temperature threshold, and Ta is third delivery temperature threshold value.
Embodiment three：
Fig. 3 shows the schematic flow diagram of progress control method according to another embodiment of the invention.
As shown in figure 3, progress control method according to another embodiment of the invention, including：Step S302, detects Tb≤T (K)≤Ta is calculated and is determined frequency reducing value；Step S302, when detecting T (K) >=Ta, judge F (K) >=Fmin whether at It is vertical, if so, S306 is thened follow the steps, if it is not, then terminating；Step S306, control compressor shutdown protection, and update default power Weight.
Wherein, Fmin is preset minimum running frequency.
Example IV：
Fig. 4 shows the schematic flow diagram of progress control method according to another embodiment of the invention.
As shown in figure 4, progress control method according to another embodiment of the invention, including：Step S402, detects Tc≤T (K)≤Tb, determines maximum frequency of operation；Step S404, control compressor frequency increases, and is less than maximum frequency of operation； Step S406, it is whether true according to prefixed time interval detection Ta >=T (K) >=Tb, if so, S408 is thened follow the steps, if it is not, then Execute step S404；Step S408, the running frequency for controlling compressor reduce according to the frequency reducing value of calculating.
Embodiment five：
Fig. 5 shows the schematic block diagram of operating control device according to an embodiment of the invention.
As shown in figure 5, operating control device 500 according to an embodiment of the invention, including：Detection unit 502 is used In the delivery temperature for detecting compressor according to prefixed time interval；Computing unit 504, for detecting that delivery temperature belongs to drop When frequency temperature range, according to delivery temperature, history delivery temperature and default weight calculation frequency reducing value；Control unit 506 is used for root The running frequency of compressor is adjusted according to frequency reducing value.
In the technical scheme, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, going through History delivery temperature and default weight calculation frequency reducing value, since the variation that history delivery temperature reflects the delivery temperature of compressor becomes Gesture, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting number of running frequency, And then the abrasion of compressor can be reduced, extend its service life, meanwhile, the fluctuation of the leaving air temp of indoor unit can be also reduced, Promote the comfort level experience of user.
In the above-mentioned technical solutions, it is preferable that further include：Default unit 508 presets first row successively for ascending Gas temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value；Determination unit 510, for determining first row temperature Temperature range between degree threshold value and second exhaust temperature threshold is limited frequency temperature range；Determination unit 510 is additionally operable to：Determine Temperature range between two delivery temperature threshold values and third delivery temperature threshold value is frequency reducing temperature range；Determination unit 510 is also used In：Determine that the temperature range between being more than third delivery temperature threshold value is stoppage protection temperature range.
In the technical scheme, pass through frequency temperature range of limiting in advance, frequency reducing temperature range and stoppage protection temperature range, root Different Preservation tactics are respectively adopted to adjust running frequency in temperature range belonging to delivery temperature according to compressor, on the one hand, Can be so that compressor meet the needs of refrigerating capacity, another aspect can reduce frequent starting and the shutdown of compressor, specifically, In limit frequency temperature range, it is only necessary to which the running frequency for limiting compressor is not more than maximum frequency of operation, namely according to system Cold adjusts the frequency of compressor, to meet the temperature control demand of user, in frequency reducing temperature range, needs to combine history exhaust temperature Degree and default weight calculate frequency reducing value, and then the frequency modulation number for reducing compressor needs to control in stoppage protection temperature range Compressor shutdown processed, when the delivery temperature of machine to be compressed decreases below first exhaust temperature threshold, reset itself, to reduce The phenomenon that returning liquid occurs.
Wherein, first exhaust temperature threshold value range is 80 DEG C ± 5 DEG C, and second exhaust temperature threshold value range is 85 DEG C ± 5 DEG C, third delivery temperature threshold value value range is 105 DEG C ± 5 DEG C.
In the above-mentioned technical solutions, it is preferable that computing unit 504 includes：Corresponding subelement 5042, in the row of detecting When temperature degree belongs to frequency reducing temperature range, default calculation formula corresponding with frequency reducing temperature range is determined；First parsing subunit 5044, for parsing the record of the first history delivery temperature in determining history delivery temperature and the second history delivery temperature record； Second parsing subunit 5046, it is pre- for parsing the first default weight determined in default weight, the second default weight and third If weight；Addition subelement 5048, for remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total；Subtract Subunit 50410, the result for calculating weighted sum are determined as frequency reducing value, wherein default calculation formula includes：A(K+ 1)=Kp×(T(K)-T(K-1))+Ki×T(K)+Kd× (T (K) -2 × T (K-1)+T (K-2)), A (K+1) characterize frequency reducing value, Kp Characterize the first default weight, KiCharacterize the second default weight, KdIt characterizes third and presets weight, T (K) characterizes delivery temperature, T (K-1) The first history delivery temperature record is characterized, T (K-2) characterizes the second history delivery temperature record, time of K characterization acquisition delivery temperatures Number, and K is the positive integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
In the technical scheme, by remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total, Essence is a kind of pid control algorithm, and the adjustment of the frequency in frequency reducing temperature range is reduced by iterating to calculate frequency reducing value A (K+1) Number.
Wherein, in order to avoid the running frequency of compressor adjustment amplitude is too big, setting frequency reducing value is less than or equal to 10Hz.
In the above-mentioned technical solutions, it is preferable that determination unit 510 is additionally operable to：Detecting that it is warm that delivery temperature belongs to limit frequency When spending section, maximum frequency of operation corresponding with preset temperature section is determined；Control unit 506 is additionally operable to：In limit frequency humidity province In, the running frequency for controlling compressor increases according to default raising frequency value, and the running frequency for controlling compressor is less than or equal to Maximum frequency of operation.
In the technical scheme, by limit frequency temperature range, controlling the running frequency of compressor according to default raising frequency Value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation, namely in the exhaust temperature for ensureing compressor When degree is not higher than second exhaust temperature threshold, the running frequency of compressor is improved, to maximize offer refrigerating capacity, and then is maximized Meet the temperature control demand of user.
In the above-mentioned technical solutions, it is preferable that control unit 506 is additionally operable to：It is protected detecting that delivery temperature belongs to shut down When protecting temperature range, compressor shutdown is controlled, and adjust and preset weight.
In the technical scheme, by when detecting that delivery temperature belongs to stoppage protection temperature range, controlling compressor It shuts down, and adjusts and preset weight, on the one hand, in order to protect the hardware reliability of compressor, compressor shutdown is controlled in time, it is another Aspect may lead to compressor fault since delivery temperature is higher than third delivery temperature threshold value, therefore, the calculating side of frequency reducing value Method demand re-optimization, and by adjusting default weight come avoid as possible compressor delivery temperature be more than third delivery temperature Threshold value.
In the above-mentioned technical solutions, it is preferable that further include：Statistic unit 512, when the accumulation for counting compressor is run Long, recording unit 514 is used for the frequency reducing number of recording compressed machine, and computing unit 504 is additionally operable to：Calculate the heating of delivery temperature Rate；Control unit 506 is additionally operable to：Accumulation operation duration is being detected more than or equal to preset cumulative operation duration, and/or It detects that frequency reducing number is greater than or equal to default frequency reducing number, and/or heating is preset detecting that heating rate is greater than or equal to When rate, adjusts and preset weight.
In the technical scheme, by detecting accumulation operation duration be greater than or equal to preset cumulative operation duration, and/ Or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting that it is default that heating rate is greater than or equal to It when heating rate, adjusts and presets weight, the adjusting number of the running frequency of compressor can be effectively reduced, reduce heating speed Rate further promotes the stability and reliability of compressor.
In the above-mentioned technical solutions, it is preferable that control unit 506 further includes：Comparing subunit 5062, for comparing frequency reducing Magnitude relationship between value and default frequency reducing value；Control unit 506 is additionally operable to：Frequency reducing is preset determining that frequency reducing value is greater than or equal to When value, the running frequency for controlling compressor subtracts default frequency reducing value；Control unit 506 is additionally operable to：Determining that it is pre- that frequency reducing value is less than If when frequency reducing value, the running frequency for controlling compressor subtracts frequency reducing value.
In the technical scheme, it by comparing the magnitude relationship between frequency reducing value and default frequency reducing value, and is closed according to size System is adjusted running frequency, can avoid the frequency reducing amplitude of compressor excessive as possible, and the hardware to reduce compressor is worn, Further reduce the failure rate of compressor.
Embodiment six：
Fig. 6 shows the schematic block diagram of compressor according to an embodiment of the invention.
As shown in fig. 6, compressor 600 according to an embodiment of the invention, including：Such as any of the above-described technical solution The operating control device 500 of restriction.
Embodiment seven：
Fig. 7 shows the schematic block diagram of air conditioner according to an embodiment of the invention.
As shown in fig. 7, air conditioner 700 according to an embodiment of the invention, including：As any of the above-described technical solution limits Compressor 600.
It is worth it is emphasized that as shown in Figures 5 to 7, above-mentioned operating control device 500 can be CPU, MCU, monolithic The logical operations device such as machine and embedded device, detection unit 502 can be temperature sensor and mercury thermo detector, above-mentioned calculating Unit 504 can be the chip for being integrated with the logical calculateds device such as adder, subtracter, multiplier, divider and integrator, control Unit 506 processed can be the power driving circuit of compressor, wherein comparing subunit 5062 can be comparator, preset unit 508 can be memory, and determination unit 510 can be inversion control module, and statistic unit 512 and recording unit 514 can be The memory modules such as memory, caching, flash memory and hard disk.
Embodiment eight：
A kind of computer readable storage medium proposed according to an embodiment of the invention, is stored thereon with computer program, Computer program is performed realization：The delivery temperature of compressor is detected according to prefixed time interval；Detecting delivery temperature When belonging to frequency reducing temperature range, according to delivery temperature, history delivery temperature and default weight calculation frequency reducing value；According to frequency reducing value tune The running frequency of whole compressor.
In the technical scheme, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to delivery temperature, going through History delivery temperature and default weight calculation frequency reducing value, since the variation that history delivery temperature reflects the delivery temperature of compressor becomes Gesture, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting number of running frequency, And then the abrasion of compressor can be reduced, extend its service life, meanwhile, the fluctuation of the leaving air temp of indoor unit can be also reduced, Promote the comfort level experience of user.
In the above-mentioned technical solutions, it is preferable that before the delivery temperature for detecting compressor according to prefixed time interval, also wrap It includes：It is ascending to preset first exhaust temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value successively；Determine Temperature range between one delivery temperature threshold value and second exhaust temperature threshold is limited frequency temperature range；Determine second exhaust temperature Temperature range between threshold value and third delivery temperature threshold value is frequency reducing temperature range；Determine be more than third delivery temperature threshold value it Between temperature range be stoppage protection temperature range.
In the technical scheme, pass through frequency temperature range of limiting in advance, frequency reducing temperature range and stoppage protection temperature range, root Different Preservation tactics are respectively adopted to adjust running frequency in temperature range belonging to delivery temperature according to compressor, on the one hand, Can be so that compressor meet the needs of refrigerating capacity, another aspect can reduce frequent starting and the shutdown of compressor, specifically, In limit frequency temperature range, it is only necessary to which the running frequency for limiting compressor is not more than maximum frequency of operation, namely according to system Cold adjusts the frequency of compressor, to meet the temperature control demand of user, in frequency reducing temperature range, needs to combine history exhaust temperature Degree and default weight calculate frequency reducing value, and then the frequency modulation number for reducing compressor needs to control in stoppage protection temperature range Compressor shutdown processed, when the delivery temperature of machine to be compressed decreases below first exhaust temperature threshold, reset itself, to reduce The phenomenon that returning liquid occurs.
Wherein, first exhaust temperature threshold value range is 80 DEG C ± 5 DEG C, and second exhaust temperature threshold value range is 85 DEG C ± 5 DEG C, third delivery temperature threshold value value range is 105 DEG C ± 5 DEG C.
In the above-mentioned technical solutions, it is preferable that when detecting that delivery temperature belongs to frequency reducing temperature range, according to exhaust temperature Degree, history delivery temperature and default weight calculation frequency reducing value, specifically include：Detecting that delivery temperature belongs to frequency reducing temperature range When, determine default calculation formula corresponding with frequency reducing temperature range；Parsing determines the first history exhaust in history delivery temperature Thermograph and the second history delivery temperature record；Parsing determines the first default weight, the second default weight in default weight Weight is preset with third；Delivery temperature, the first history delivery temperature record, the second history delivery temperature record, first are preset Weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total；By weighted sum meter The result of calculation is determined as frequency reducing value, wherein default calculation formula includes：A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+ Kd× (T (K) -2 × T (K-1)+T (K-2)), A (K+1) characterize frequency reducing value, KpCharacterize the first default weight, KiCharacterization second is default Weight, KdIt characterizes third and presets weight, T (K) characterizes delivery temperature, and T (K-1) characterizes the first history delivery temperature record, T (K- 2) the second history delivery temperature of characterization record, the number of K characterization acquisition delivery temperatures, and K is the integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
In the technical scheme, by remembering delivery temperature, the first history delivery temperature record, the second history delivery temperature Record, the first default weight, the second default weight and third preset the default calculation formula of weight substitution and are weighted read group total, Essence is a kind of pid control algorithm, and the adjustment of the frequency in frequency reducing temperature range is reduced by iterating to calculate frequency reducing value A (K+1) Number.
Wherein, in order to avoid the running frequency of compressor adjustment amplitude is too big, setting frequency reducing value is less than or equal to 10Hz.
In the above-mentioned technical solutions, it is preferable that further include：When detecting that delivery temperature belongs to limit frequency temperature range, really Fixed maximum frequency of operation corresponding with preset temperature section；In limit frequency temperature range, control the running frequency of compressor according to Default raising frequency value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation.
In the technical scheme, by limit frequency temperature range, controlling the running frequency of compressor according to default raising frequency Value increases, and the running frequency for controlling compressor is less than or equal to maximum frequency of operation, namely in the exhaust temperature for ensureing compressor When degree is not higher than second exhaust temperature threshold, the running frequency of compressor is improved, to maximize offer refrigerating capacity, and then is maximized Meet the temperature control demand of user.
In the above-mentioned technical solutions, it is preferable that further include：Detecting that delivery temperature belongs to stoppage protection temperature range When, compressor shutdown is controlled, and adjust and preset weight.
In the technical scheme, by when detecting that delivery temperature belongs to stoppage protection temperature range, controlling compressor It shuts down, and adjusts and preset weight, on the one hand, in order to protect the hardware reliability of compressor, compressor shutdown is controlled in time, it is another Aspect may lead to compressor fault since delivery temperature is higher than third delivery temperature threshold value, therefore, the calculating side of frequency reducing value Method demand re-optimization, and by adjusting default weight come avoid as possible compressor delivery temperature be more than third delivery temperature Threshold value.
In the above-mentioned technical solutions, it is preferable that further include：Count the accumulation operation duration and/or recording compressed of compressor The frequency reducing number of machine, and/or calculate the heating rate of delivery temperature；Detecting that it is default tired that accumulation operation duration is greater than or equal to Plot operation duration, and/or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting heating rate When more than or equal to default heating rate, adjusts and preset weight.
In the technical scheme, by detecting accumulation operation duration be greater than or equal to preset cumulative operation duration, and/ Or frequency reducing number is preset detecting that frequency reducing number is greater than or equal to, and/or detecting that it is default that heating rate is greater than or equal to It when heating rate, adjusts and presets weight, the adjusting number of the running frequency of compressor can be effectively reduced, reduce heating speed Rate further promotes the stability and reliability of compressor.
In the above-mentioned technical solutions, it is preferable that the running frequency that compressor is adjusted according to frequency reducing value specifically includes：Compare Magnitude relationship between frequency reducing value and default frequency reducing value；When determining that frequency reducing value is greater than or equal to default frequency reducing value, control compression The running frequency of machine subtracts default frequency reducing value；When determining that frequency reducing value is less than default frequency reducing value, the running frequency of compressor is controlled Subtract frequency reducing value.
In the technical scheme, it by comparing the magnitude relationship between frequency reducing value and default frequency reducing value, and is closed according to size System is adjusted running frequency, can avoid the frequency reducing amplitude of compressor excessive as possible, and the hardware to reduce compressor is worn, Further reduce the failure rate of compressor.
Technical scheme of the present invention is described in detail above in association with attached drawing, it is contemplated that how further the relevant technologies propose Ground promotes the technical issues of reliability of compressor operating, the present invention propose a kind of progress control method, device, compressor, Air conditioner and computer readable storage medium, by when detecting that delivery temperature belongs to frequency reducing temperature range, according to exhaust temperature Degree, history delivery temperature and default weight calculation frequency reducing value, since history delivery temperature reflects the delivery temperature of compressor Variation tendency, also, weight is preset to improve the accuracy of frequency reducing value by substitution, it is mainly used for reducing the adjusting of running frequency Number, and then the abrasion of compressor can be reduced, extend its service life, meanwhile, it can also reduce the leaving air temp of indoor unit Fluctuation promotes the comfort level experience of user.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (17)

1. a kind of progress control method, which is characterized in that including：
The delivery temperature of compressor is detected according to prefixed time interval；
When detecting that the delivery temperature belongs to frequency reducing temperature range, according to the delivery temperature, history delivery temperature and pre- If weight calculation frequency reducing value；
The running frequency of the compressor is adjusted according to the frequency reducing value.
2. progress control method according to claim 1, which is characterized in that detecting compressor according to prefixed time interval Delivery temperature before, further include：
It is ascending to preset first exhaust temperature threshold, second exhaust temperature threshold and third delivery temperature threshold value successively；
Determine that the temperature range between the first exhaust temperature threshold and the second exhaust temperature threshold is limited frequency humidity province Between；
Determine that the temperature range between the second exhaust temperature threshold and the third delivery temperature threshold value is the frequency reducing temperature Spend section；
Determine that the temperature range between being more than the third delivery temperature threshold value is stoppage protection temperature range.
3. progress control method according to claim 1, which is characterized in that described to detect that the delivery temperature belongs to When frequency reducing temperature range, according to the delivery temperature, history delivery temperature and default weight calculation frequency reducing value, specifically include：
When detecting that the delivery temperature belongs to the frequency reducing temperature range, determination is corresponding pre- with the frequency reducing temperature range If calculation formula；
Parsing determines the first history delivery temperature record and the second history delivery temperature record in the history delivery temperature；
Parsing determines that the first default weight, the second default weight and third in the default weight preset weight；
By the delivery temperature, the first history delivery temperature record, the second history delivery temperature record, described first Default weight, the second default weight and the third preset the weight substitution default calculation formula and are weighted summation meter It calculates；
The result that the weighted sum calculates is determined as the frequency reducing value,
Wherein, the default calculation formula includes：
A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+Kd×(T(K)-2 × T (K-1)+T (K-2)),
The A (K+1) characterizes the frequency reducing value, the KpCharacterize the described first default weight, the KiIt is default to characterize described second Weight, the KdIt characterizes the third and presets weight, the T (K) characterizes the delivery temperature, T (K-1) characterization described the One history delivery temperature records, and the T (K-2) characterizes the second history delivery temperature record, and the K characterizations acquire the row The number of temperature degree, and the K is the integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
4. progress control method according to claim 2, which is characterized in that further include：
When detecting that the delivery temperature belongs to the limit frequency temperature range, determination is corresponding most with the preset temperature section Big running frequency；
In the limit frequency temperature range, the running frequency for controlling the compressor increases according to default raising frequency value, and controls institute The running frequency for stating compressor is less than or equal to the maximum frequency of operation.
5. progress control method according to claim 2, which is characterized in that further include：
When detecting that the delivery temperature belongs to the stoppage protection temperature range, the compressor shutdown is controlled, and adjust The default weight.
6. progress control method according to any one of claim 1 to 5, which is characterized in that further include：
The accumulation operation duration of the compressor is counted, and/or records the frequency reducing number of the compressor, and/or described in calculating The heating rate of delivery temperature；
The accumulation operation duration is being detected more than or equal to preset cumulative operation duration, and/or is detecting the frequency reducing Number is greater than or equal to default frequency reducing number, and/or when detecting that the heating rate is greater than or equal to default heating rate, Adjust the default weight.
7. progress control method according to any one of claim 1 to 5, which is characterized in that described according to the frequency reducing Value adjusts the running frequency of the compressor, specifically includes：
Compare the magnitude relationship between the frequency reducing value and default frequency reducing value；
When determining that the frequency reducing value is greater than or equal to the default frequency reducing value, the running frequency for controlling the compressor subtracts institute State default frequency reducing value；
When determining that the frequency reducing value is less than the default frequency reducing value, the running frequency for controlling the compressor subtracts the frequency reducing Value.
8. a kind of operating control device, which is characterized in that including：
Detection unit, the delivery temperature for detecting compressor according to prefixed time interval；
Computing unit, for when detecting that the delivery temperature belongs to frequency reducing temperature range, according to the delivery temperature, history Delivery temperature and default weight calculation frequency reducing value；
Control unit, the running frequency for adjusting the compressor according to the frequency reducing value.
9. operating control device according to claim 8, which is characterized in that further include：
Default unit presets first exhaust temperature threshold, second exhaust temperature threshold and third exhaust successively for ascending Temperature threshold；
Determination unit, for determining the temperature range between the first exhaust temperature threshold and the second exhaust temperature threshold Be limited frequency temperature range；
The determination unit is additionally operable to：Determine the temperature between the second exhaust temperature threshold and the third delivery temperature threshold value Degree section is the frequency reducing temperature range；
The determination unit is additionally operable to：Determine that the temperature range between being more than the third delivery temperature threshold value is stoppage protection temperature Spend section.
10. operating control device according to claim 8, which is characterized in that the computing unit includes：
Corresponding subelement, for when detecting that the delivery temperature belongs to the frequency reducing temperature range, determining and the frequency reducing The corresponding default calculation formula of temperature range；
First parsing subunit, for parsing the first history delivery temperature record and second determined in the history delivery temperature History delivery temperature records；
Second parsing subunit, for parsing the first default weight determined in the default weight, the second default weight and the Three default weights；
Addition subelement, for the delivery temperature, the first history delivery temperature record, second history to be vented temperature Record, the first default weight, the second default weight and the third is spent to preset weight and substitute into the default calculating public affairs Formula is weighted read group total；
Subtraction subunit, the result for calculating the weighted sum are determined as the frequency reducing value,
Wherein, the default calculation formula includes：
A (K+1)=Kp×(T(K)-T(K-1))+Ki×T(K)+Kd× (T (K) -2 × T (K-1)+T (K-2)),
The A (K+1) characterizes the frequency reducing value, the KpCharacterize the described first default weight, the KiIt is default to characterize described second Weight, the KdIt characterizes the third and presets weight, the T (K) characterizes the delivery temperature, T (K-1) characterization described the One history delivery temperature records, and the T (K-2) characterizes the second history delivery temperature record, and the K characterizations acquire the row The number of temperature degree, and the K is the integer more than or equal to zero, and T (K)=T (- 1)=T (- 2) is set up.
11. operating control device according to claim 9, which is characterized in that
The determination unit is additionally operable to：When detecting that the delivery temperature belongs to the limit frequency temperature range, determine with it is described The corresponding maximum frequency of operation in preset temperature section；
Described control unit is additionally operable to：In the limit frequency temperature range, the running frequency of the compressor is controlled according to default Raising frequency value increases, and the running frequency for controlling the compressor is less than or equal to the maximum frequency of operation.
12. operating control device according to claim 9, which is characterized in that
Described control unit is additionally operable to：When detecting that the delivery temperature belongs to the stoppage protection temperature range, institute is controlled Compressor shutdown is stated, and adjusts the default weight.
13. the operating control device according to any one of claim 8 to 12, which is characterized in that further include：
Statistic unit, the accumulation operation duration for counting the compressor,
Recording unit, the frequency reducing number for recording the compressor,
The computing unit is additionally operable to：Calculate the heating rate of the delivery temperature；
Described control unit is additionally operable to：The accumulation operation duration is being detected more than or equal to preset cumulative operation duration, and/ Or detecting that the frequency reducing number is greater than or equal to default frequency reducing number, and/or detect the heating rate be more than or When equal to default heating rate, the default weight is adjusted.
14. the operating control device according to any one of claim 8 to 12, which is characterized in that described control unit is also Including：
Comparing subunit, for the magnitude relationship between the frequency reducing value and default frequency reducing value；
Described control unit is additionally operable to：When determining that the frequency reducing value is greater than or equal to the default frequency reducing value, the pressure is controlled The running frequency of contracting machine subtracts the default frequency reducing value；
Described control unit is additionally operable to：When determining that the frequency reducing value is less than the default frequency reducing value, the compressor is controlled Running frequency subtracts the frequency reducing value.
15. a kind of compressor, which is characterized in that including：
Operating control device as described in any one of claim 8 to 14.
16. a kind of transducer air conditioning, which is characterized in that including：
Compressor as claimed in claim 15.
17. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program It is performed the progress control method realized as described in any one of the claims 1 to 7.
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CN115235097A (en) * 2022-08-08 2022-10-25 宁波奥克斯电气股份有限公司 Control method of air conditioner and air conditioner
WO2023015970A1 (en) * 2021-08-13 2023-02-16 青岛海尔空调器有限总公司 Method and apparatus for controlling frequency stability of air conditioner compressor, and electronic device
WO2023098051A1 (en) * 2021-11-30 2023-06-08 青岛海尔空调器有限总公司 Air conditioner control method and control apparatus, and air conditioner

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CN109539498A (en) * 2018-09-29 2019-03-29 青岛海尔空调电子有限公司 A kind of compressor of air conditioner control method and system
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CN111397128A (en) * 2020-03-27 2020-07-10 广东美的制冷设备有限公司 High-temperature sterilization method, frequency control method and air conditioner
CN111380185A (en) * 2020-03-27 2020-07-07 广东美的制冷设备有限公司 Compressor exhaust temperature frequency limiting control method, air conditioner and readable storage medium
CN111380179A (en) * 2020-03-27 2020-07-07 广东美的制冷设备有限公司 Air conditioner high-temperature disinfection frequency-limiting protection method, air conditioner, storage medium and device
CN114061105A (en) * 2020-03-27 2022-02-18 广东美的制冷设备有限公司 Air conditioner high-temperature disinfection frequency-limiting protection method, air conditioner, storage medium and device
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