CN108518805A - Progress control method, device, air conditioner and computer readable storage medium - Google Patents

Progress control method, device, air conditioner and computer readable storage medium Download PDF

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Publication number
CN108518805A
CN108518805A CN201810440983.9A CN201810440983A CN108518805A CN 108518805 A CN108518805 A CN 108518805A CN 201810440983 A CN201810440983 A CN 201810440983A CN 108518805 A CN108518805 A CN 108518805A
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China
Prior art keywords
threshold value
predetermined threshold
bus current
value
difference
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Granted
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CN201810440983.9A
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Chinese (zh)
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CN108518805B (en
Inventor
雷华翘
杨俊�
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201810440983.9A priority Critical patent/CN108518805B/en
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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
    • F24F11/62—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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

Abstract

The present invention provides a kind of progress control method, device, air conditioner and computer readable storage mediums, wherein progress control method, including：Detect run on refrigeration mode or dehumidification mode when, according to predetermined period detection air-conditioning system access bus current value；Judge the magnitude relationship between bus current value and predetermined threshold value；Determined whether to prevent freeze protection mode operation according to magnitude relationship.Technical solution through the invention; it is controlled whether to prevent freeze protection mode operation according to the bus current value of air-conditioning system access; improve the accuracy that air-conditioning system enters anti-freeze protection; reduce the generation for not entering or entering by mistake through anti-freeze protection phenomenon; and then reduce indoor unit and the generations of abnormal phenomenon such as drip, improve the operational reliability of air-conditioning system.

Description

Progress control method, device, air conditioner and computer readable storage medium
Technical field
The present invention relates to air conditioner controlling technology fields, are controlled in particular to a kind of progress control method, a kind of operation Device, a kind of air conditioner and a kind of computer readable storage medium.
Background technology
Since the use habit of user differs, use environment is different, air conditioner is in addition to ensureing basic refrigeration and heating work( Can, it is also necessary to promote operational reliability in extreme circumstances, for example, when outdoor environment temperature is relatively low, user it is also possible that Freezed with air conditioner or dehumidified, at this time, it is necessary to carried out anti-freeze protection to promote the operational reliability of air conditioner, subtract Few indoor unit such as drips at the abnormal phenomenon.
In the related technology, single control is typically carried out based on indoor unit coil temperature, there are following technological deficiencies：
(1) it needs to take into account the use habit of user when indoor unit coil temperature is set, range is smaller, and accuracy is poor.
(2) temperature sensor location is improper, refrigerant lacks, indoor set heat exchanger blocks etc. when causing bias current, is easy to cause The indoor unit coil temperature deviation that temperature sensor detects is larger, and accuracy is poor, easily occur do not enter anti-freeze protection or Person enters by mistake through phenomena such as anti-freeze protection, and user experience is poor.
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 yet a further object of the present invention to provide a kind of air conditioners.
A further object of the present invention is to provide a kind of computer readable storage medium.
To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of progress control method, packet It includes：Detect run on refrigeration mode or dehumidification mode when, according to predetermined period detection air-conditioning system access bus current Value；Judge the magnitude relationship between bus current value and predetermined threshold value；Determined whether to prevent freeze protection mould according to magnitude relationship Formula is run.
In the technical scheme, by detect run on refrigeration mode or dehumidification mode when, examined according to predetermined period The bus current value for surveying air-conditioning system access, judges the magnitude relationship between bus current value and predetermined threshold value, is closed according to size System determines whether, to prevent freeze protection mode operation, to be controlled whether with anti-freeze according to the bus current value of air-conditioning system access Protected mode is run, and is improved the accuracy that air-conditioning system enters anti-freeze protection, is reduced and do not enter or enter by mistake through anti-freeze The generation of phenomenon is protected, and then reduces indoor unit and the generations of abnormal phenomenon such as drips, improves the reliable for operation of air-conditioning system Property so that air-conditioning system can be adapted for extreme environment, can automatically adjust in extreme circumstances, promote operational reliability.
It should be noted that predetermined period can be 1min-10min.
In the above-mentioned technical solutions, it is preferable that bus current value includes the first bus current value and the second bus current value, Predetermined threshold value includes the first predetermined threshold value, judges the magnitude relationship between bus current value and predetermined threshold value, including：It calculates current Cycle detection to the first bus current value and the second bus current value for arriving of the adjacent upper cycle detection of current period between The first difference；Judge whether the first difference is more than the first predetermined threshold value.
In the technical scheme, adjacent upper one week of the first bus current value and current period that are detected with current period The first difference between the second bus current value that phase detects be used as whether to prevent freeze protection mode operation judgement item Part, namely the bus current value by detecting change be turned to whether to prevent freeze protection mode operation Rule of judgment, be Whether to prevent freeze protection mode operation data foundation is provided, and accuracy is higher, is conducive to promote air-conditioning system and enters The accuracy of anti-freeze protection reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, and then is conducive to promote air-conditioning System operation reliability.
In any of the above-described technical solution, it is preferable that predetermined threshold value includes the second predetermined threshold value, judges bus current value Magnitude relationship between predetermined threshold value, including：Detection indoor environment temperature and outdoor environment temperature in real time, determine bus current Estimated value；Calculate the second difference between bus current estimated value and bus current value；Judge whether the second difference is more than second Predetermined threshold value.
In the technical scheme, by detecting indoor environment temperature and outdoor environment temperature in real time, determine that bus current is estimated Whether calculation value is used as with the second difference between bus current estimated value and bus current value to prevent freeze protection mode operation Rule of judgment, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to be promoted Air-conditioning system enters the accuracy of anti-freeze protection, reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, Jin Eryou Conducive to promotion air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that predetermined threshold value includes third predetermined threshold value, judges bus current value Magnitude relationship between predetermined threshold value further includes：It calculates calculated second difference of current period and current period is adjacent Third difference between the second difference that a upper computation of Period goes out；Judge whether third difference is more than third predetermined threshold value.
In the technical scheme, by with calculated second difference of current period and current period an adjacent upper period Third difference between calculated second difference be used as whether to prevent freeze protection mode operation Rule of judgment, Ye Jitong Whether the change for the second difference crossed between detection bus current estimated value and bus current value is turned to prevent freeze protection pattern The Rule of judgment of operation, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to The accuracy that air-conditioning system enters anti-freeze protection is promoted, the generation for not entering or entering by mistake through anti-freeze protection phenomenon is reduced, into And be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that air-conditioning system runs on refrigeration mode, detects indoor environment in real time Temperature and outdoor environment temperature determine bus current estimated value, including：Detection indoor environment temperature and outdoor environment temperature in real time Degree, determines refrigerating capacity；According to refrigerating capacity and default refrigeration efficiency ratio, the first operation power is determined；According to the first operation power And load voltage value, determine bus current estimated value.
In the technical scheme, when air-conditioning system runs on refrigeration mode, according to real-time detection indoor environment temperature and room External environment temperature determines refrigerating capacity, then according to refrigerating capacity and default refrigeration efficiency ratio, determines the first operation power, according to First operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, Be conducive to the accuracy for being lifted into the operation of anti-freeze protected mode, reduce the generation for not entering or entering by mistake through phenomenon, in turn Be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that air-conditioning system runs on dehumidification mode, detects indoor environment in real time Temperature and outdoor environment temperature determine bus current estimated value, including：Detection indoor environment temperature and outdoor environment temperature in real time Degree, determines moisture removal；According to moisture removal and default dehumidifying efficiency ratio, the second operation power is determined；According to the second operation power And load voltage value, determine bus current estimated value.
In the technical scheme, when air-conditioning system runs on dehumidification mode, by detecting indoor environment temperature and room in real time External environment temperature determines moisture removal, then according to moisture removal and default dehumidifying efficiency ratio, determines the second operation power, according to Second operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, Be conducive to the accuracy for being lifted into the operation of anti-freeze protected mode, reduce the generation for not entering or entering by mistake through phenomenon, in turn Be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that determine whether to transport to prevent freeze protection pattern according to magnitude relationship Row, including：When the first difference is more than the first predetermined threshold value and/or the second difference more than the second predetermined threshold value and/or third difference When more than third predetermined threshold value, determine to prevent freeze protection mode operation；Control compressor shutdown, outdoor fan it is out of service with And indoor fan is run with preset rotation speed.
In the technical scheme, by being more than the first predetermined threshold value and/or the second difference in advance more than second when the first difference If threshold value and/or third difference are more than third predetermined threshold value, determine to prevent freeze protection mode operation, anti-freeze protected mode The entrance of operation is more accurate, reduces the generation for not entering or entering by mistake through anti-freeze protected mode operation phenomenon, passes through control Compressor shutdown, outdoor fan are out of service and indoor fan is run with preset rotation speed, can be carried out to air-conditioning system antifreeze Knot protection, while air-conditioning system is effectively run, the generation for the abnormal phenomenon such as reduction indoor unit drips.
In any of the above-described technical solution, it is preferable that further include：Determine the current operation wind shelves of indoor fan；According to Current operation wind shelves, determine the first predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value.
In the technical scheme, by determining the current operation wind shelves of indoor fan, according to wind shelves are currently run, the is determined One predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value, improve the first predetermined threshold value, the second predetermined threshold value And the accuracy of third predetermined threshold value, the accuracy of anti-freeze protected mode entrance is further improved, air-conditioning system is improved The operational reliability of system.
It should be noted that the current operation wind shelves of indoor fan are higher, refrigerating capacity or moisture removal can more shed as early as possible, First predetermined threshold value, the second predetermined threshold value and third predetermined threshold value opposite can set smaller, generally 0.1A-1A, a side Face reduces indoor unit and freezes the generation for not entering anti-freeze protected mode phenomenon but, and on the other hand, reduction enters by mistake through anti-freeze guarantor The generation of mode operation phenomenon is protected, the influence to user experience is reduced.
In any of the above-described technical solution, it is preferable that judging the size pass between bus current value and predetermined threshold value Before system, further include：When detecting into refrigeration mode or dehumidification mode, indoor unit coil temperature is detected in real time；Work as detection When being less than preset temperature threshold to indoor unit coil temperature, determines and be in easy freezing operating mode.
In the technical scheme, advanced by before judging the magnitude relationship between bus current value and predetermined threshold value The magnitude relationship of row indoor unit coil temperature and preset temperature threshold judges to determine in easy freezing operating mode, further improve The accuracy that anti-freeze protected mode enters reduces the generation for entering by mistake through anti-freeze protected mode operation phenomenon, further carries The operational reliability of air-conditioning system is risen.
It should be noted that air-conditioning system access bus current is not added than in the prior art for the setting of preset temperature threshold Setting in the control of value detection wants high.
The technical solution of the second aspect of the present invention proposes a kind of operating control device, including：Detection unit is used for It detects when running on refrigeration mode or dehumidification mode, according to the bus current value of predetermined period detection air-conditioning system access；Sentence Disconnected unit, for judging the magnitude relationship between bus current value and predetermined threshold value；Determination unit, for true according to magnitude relationship Whether determine to prevent freeze protection mode operation.
In the technical scheme, by detect run on refrigeration mode or dehumidification mode when, examined according to predetermined period The bus current value for surveying air-conditioning system access, judges the magnitude relationship between bus current value and predetermined threshold value, is closed according to size System determines whether, to prevent freeze protection mode operation, to be controlled whether with anti-freeze according to the bus current value of air-conditioning system access Protected mode is run, and is improved the accuracy that air-conditioning system enters anti-freeze protection, is reduced and do not enter or enter by mistake through anti-freeze The generation of phenomenon is protected, and then reduces indoor unit and the generations of abnormal phenomenon such as drips, improves the reliable for operation of air-conditioning system Property so that air-conditioning system can be adapted for extreme environment, can automatically adjust in extreme circumstances, promote operational reliability.
It should be noted that predetermined period can be 1min-10min.
In the above-mentioned technical solutions, it is preferable that bus current value includes the first bus current value and the second bus current value, Predetermined threshold value includes the first predetermined threshold value, and operating control device further includes：First computing unit, for calculating current period detection To the second bus current value for arriving of the adjacent upper cycle detection of the first bus current value and current period between it is first poor Value；Judging unit is additionally operable to：Judge whether the first difference is more than the first predetermined threshold value.
In the technical scheme, adjacent upper one week of the first bus current value and current period that are detected with current period The first difference between the second bus current value that phase detects be used as whether to prevent freeze protection mode operation judgement item Part, namely the bus current value by detecting change be turned to whether to prevent freeze protection mode operation Rule of judgment, be Whether to prevent freeze protection mode operation data foundation is provided, and accuracy is higher, is conducive to promote air-conditioning system and enters The accuracy of anti-freeze protection reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, and then is conducive to promote air-conditioning System operation reliability.
In any of the above-described technical solution, it is preferable that predetermined threshold value includes the second predetermined threshold value, and determination unit is also used In：Detection indoor environment temperature and outdoor environment temperature in real time, determine bus current estimated value；Operating control device further includes： Second computing unit, for calculating the second difference between bus current estimated value and bus current value；Judging unit is additionally operable to： Judge whether the second difference is more than the second predetermined threshold value.
In the technical scheme, by detecting indoor environment temperature and outdoor environment temperature in real time, determine that bus current is estimated Whether calculation value is used as with the second difference between bus current estimated value and bus current value to prevent freeze protection mode operation Rule of judgment, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to be promoted Air-conditioning system enters the accuracy of anti-freeze protection, reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, Jin Eryou Conducive to promotion air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that predetermined threshold value includes third predetermined threshold value, and the second computing unit is also For：It calculates between the second difference that calculated second difference of current period and the adjacent upper computation of Period of current period go out Third difference；Judging unit is additionally operable to：Judge whether third difference is more than third predetermined threshold value.
In the technical scheme, by with calculated second difference of current period and current period an adjacent upper period Third difference between calculated second difference be used as whether to prevent freeze protection mode operation Rule of judgment, Ye Jitong Whether the change for the second difference crossed between detection bus current estimated value and bus current value is turned to prevent freeze protection pattern The Rule of judgment of operation, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to The accuracy that air-conditioning system enters anti-freeze protection is promoted, the generation for not entering or entering by mistake through anti-freeze protection phenomenon is reduced, into And be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that air-conditioning system runs on refrigeration mode, and determination unit is additionally operable to： Detection indoor environment temperature and outdoor environment temperature in real time, determine refrigerating capacity；Determination unit is additionally operable to：According to refrigerating capacity and preset Refrigeration efficiency ratio determines the first operation power；Determination unit is additionally operable to：According to the first operation power and load voltage value, really Determine bus current estimated value.
In the technical scheme, when air-conditioning system runs on refrigeration mode, according to real-time detection indoor environment temperature and room External environment temperature determines refrigerating capacity, then according to refrigerating capacity and default refrigeration efficiency ratio, determines the first operation power, according to First operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, Be conducive to the accuracy for being lifted into the operation of anti-freeze protected mode, reduce the generation for not entering or entering by mistake through phenomenon, in turn Be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that air-conditioning system runs on dehumidification mode, and determination unit is additionally operable to： Detection indoor environment temperature and outdoor environment temperature in real time, determine moisture removal；Determination unit is additionally operable to：According to moisture removal and preset Dehumidify efficiency ratio, determines the second operation power；Determination unit is additionally operable to：According to the second operation power and load voltage value, really Determine bus current estimated value.
In the technical scheme, when air-conditioning system runs on dehumidification mode, by detecting indoor environment temperature and room in real time External environment temperature determines moisture removal, then according to moisture removal and default dehumidifying efficiency ratio, determines the second operation power, according to Second operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, Be conducive to the accuracy for being lifted into the operation of anti-freeze protected mode, reduce the generation for not entering or entering by mistake through phenomenon, in turn Be conducive to promote air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that determination unit is additionally operable to：When the first difference is more than the first default threshold When value and/or the second difference are more than the second predetermined threshold value and/or third difference more than third predetermined threshold value, determination is protected with anti-freeze Protect mode operation；Operating control device further includes：Control unit, for control compressor shutdown, outdoor fan it is out of service with And indoor fan is run with preset rotation speed.
In the technical scheme, by being more than the first predetermined threshold value and/or the second difference in advance more than second when the first difference If threshold value and/or third difference are more than third predetermined threshold value, determine to prevent freeze protection mode operation, anti-freeze protected mode The entrance of operation is more accurate, reduces the generation for not entering or entering by mistake through anti-freeze protected mode operation phenomenon, passes through control Compressor shutdown, outdoor fan are out of service and indoor fan is run with preset rotation speed, can be carried out to air-conditioning system antifreeze Knot protection, while air-conditioning system is effectively run, the generation for the abnormal phenomenon such as reduction indoor unit drips.
In any of the above-described technical solution, it is preferable that determination unit is additionally operable to：Determine the current operation wind of indoor fan Shelves；Determination unit is additionally operable to：According to current operation wind shelves, the first predetermined threshold value and/or the second predetermined threshold value and/or third are determined Predetermined threshold value.
In the technical scheme, by determining the current operation wind shelves of indoor fan, according to wind shelves are currently run, the is determined One predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value, improve the first predetermined threshold value, the second predetermined threshold value And the accuracy of third predetermined threshold value, the accuracy of anti-freeze protected mode entrance is further improved, air-conditioning system is improved The operational reliability of system.
It should be noted that the current operation wind shelves of indoor fan are higher, refrigerating capacity or moisture removal can more shed as early as possible, First predetermined threshold value, the second predetermined threshold value and third predetermined threshold value opposite can set smaller, generally 0.1A-1A, a side Face reduces indoor unit and freezes the generation for not entering anti-freeze protected mode phenomenon but, and on the other hand, reduction enters by mistake through anti-freeze guarantor The generation of mode operation phenomenon is protected, the influence to user experience is reduced.
In any of the above-described technical solution, it is preferable that detection unit is additionally operable to：It is detecting into refrigeration mode or is removing When wet model, indoor unit coil temperature is detected in real time；Determination unit is additionally operable to：It is preset when detecting that indoor unit coil temperature is less than When temperature threshold, determines and be in easy freezing operating mode.
In the technical scheme, advanced by before judging the magnitude relationship between bus current value and predetermined threshold value The magnitude relationship of row indoor unit coil temperature and preset temperature threshold judges to determine in easy freezing operating mode, further improve The accuracy that anti-freeze protected mode enters reduces the generation for entering by mistake through anti-freeze protected mode operation phenomenon, further carries The operational reliability of air-conditioning system is risen.
It should be noted that air-conditioning system access bus current is not added than in the prior art for the setting of preset temperature threshold Setting in the control of value detection wants high.
The technical solution of the third aspect of the present invention proposes a kind of air conditioner, and air conditioner includes processor, and processor is used Times that the technical solution such as above-mentioned the first aspect of the present invention proposes is realized when executing the computer program stored in memory The step of one progress control method；And/or include any proposed such as the technical solution of above-mentioned the second aspect of the present invention The operating control device of item.
In the technical scheme, air conditioner includes processor, and processor is for executing the computer journey stored in memory When sequence realize as above-mentioned the first aspect of the present invention technical solution propose any one progress control method the step of and/or Include the operating control device of any one proposed such as the technical solution of the second aspect of the present invention, therefore there is aforementioned present invention First aspect technical solution propose any one progress control method and/or aforementioned present invention second aspect technology Whole advantageous effects of the operating control device for any one that scheme proposes, details are not described herein.
The technical solution of the fourth aspect of the present invention proposes a kind of computer readable storage medium, is stored thereon with calculating Machine program realizes the fortune for any one that the technical solution of the first aspect of the present invention proposes when computer program is executed by processor The step of row control method.
In the technical scheme, computer readable storage medium, is stored thereon with computer program, and computer program is located Reason device realizes the step of progress control method for any one that the technical solution of the first aspect of the present invention proposes when executing, therefore Whole advantageous effects of the progress control method for any one that the technical solution of first aspect with aforementioned present invention proposes, This is repeated no more.
By above technical scheme, controlled whether to prevent freeze protection mould according to the bus current value of air-conditioning system access Formula is run, and improves the accuracy that air-conditioning system enters anti-freeze protection, is reduced and is not entered or enter by mistake through anti-freeze protection now The generation of elephant, and then reduce indoor unit and the generations of abnormal phenomenon such as drip, improve the operational reliability of air-conditioning system.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description Obviously, 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 block diagrams of operating control device according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of air conditioner according to an embodiment of the invention；
Fig. 4 shows the schematic flow diagram of progress control method according to another 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 1
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：
S102, detect run on refrigeration mode or dehumidification mode when, according to predetermined period detection air-conditioning system access Bus current value；
S104 judges the magnitude relationship between bus current value and predetermined threshold value；
S106 determines whether according to magnitude relationship to prevent freeze protection mode operation.
In this embodiment, by detect run on refrigeration mode or dehumidification mode when, detected according to predetermined period The bus current value of air-conditioning system access, judges the magnitude relationship between bus current value and predetermined threshold value, according to magnitude relationship Determine whether, to prevent freeze protection mode operation, to control whether to protect with anti-freeze according to the bus current value of air-conditioning system access Mode operation is protected, the accuracy that air-conditioning system enters anti-freeze protection is improved, reduces and does not enter or enter by mistake through anti-freeze guarantor The generation of phenomenon is protected, and then reduces indoor unit and the generations of abnormal phenomenon such as drips, improves the operational reliability of air-conditioning system, It so that air-conditioning system can be adapted for extreme environment, can automatically adjust in extreme circumstances, promote operational reliability.
It should be noted that predetermined period can be 1min-10min.
In the above embodiment, it is preferable that bus current value includes the first bus current value and the second bus current value, in advance If threshold value includes the first predetermined threshold value, the magnitude relationship between bus current value and predetermined threshold value is judged, including：Calculate current week Between the second bus current value that phase the first bus current value detected and the adjacent upper cycle detection of current period are arrived First difference；Judge whether the first difference is more than the first predetermined threshold value.
In this embodiment, the first bus current value and current period that are detected with current period an adjacent upper period The first difference between the second bus current value detected be used as whether to prevent freeze protection mode operation Rule of judgment, Namely the change of the bus current value by detecting be turned to whether to prevent freeze protection mode operation Rule of judgment, for whether Provide data foundation to prevent freeze protection mode operation, and accuracy is higher, be conducive to promoted air-conditioning system enter it is antifreeze The accuracy of protection is tied, the generation for not entering or entering by mistake through anti-freeze protection phenomenon is reduced, and then is conducive to promote air-conditioning system Operational reliability.
In any of the above-described embodiment, it is preferable that predetermined threshold value include the second predetermined threshold value, judge bus current value and Magnitude relationship between predetermined threshold value, including：Detection indoor environment temperature and outdoor environment temperature in real time, determine that bus current is estimated Calculation value；Calculate the second difference between bus current estimated value and bus current value；It is pre- to judge whether the second difference is more than second If threshold value.
In this embodiment, by detecting indoor environment temperature and outdoor environment temperature in real time, determine that bus current is estimated Whether value, be used as with the second difference between bus current estimated value and bus current value to prevent freeze protection mode operation Rule of judgment, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to be promoted empty Adjusting system enters the accuracy of anti-freeze protection, reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, and then advantageous In promotion air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that predetermined threshold value includes third predetermined threshold value, judge bus current value and Magnitude relationship between predetermined threshold value further includes：Calculate calculated second difference of current period and adjacent upper of current period Third difference between the second difference that one computation of Period goes out；Judge whether third difference is more than third predetermined threshold value.
In this embodiment, by terms of calculated second difference of current period and current period an adjacent upper period Third difference between the second difference calculated be used as whether to prevent freeze protection mode operation Rule of judgment, namely pass through Whether the change of the second difference between detection bus current estimated value and bus current value is turned to transport to prevent freeze protection pattern Capable Rule of judgment, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to carry Lift-off adjusting system enters the accuracy of anti-freeze protection, reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, in turn Be conducive to promote air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that air-conditioning system runs on refrigeration mode, detects indoor environment temperature in real time Degree and outdoor environment temperature, determine bus current estimated value, including：Detection indoor environment temperature and outdoor environment temperature in real time, Determine refrigerating capacity；According to refrigerating capacity and default refrigeration efficiency ratio, the first operation power is determined；According to the first operation power and volume Constant voltage value determines bus current estimated value.
In this embodiment, when air-conditioning system runs on refrigeration mode, according to real-time detection indoor environment temperature and outdoor Environment temperature determines refrigerating capacity, then according to refrigerating capacity and default refrigeration efficiency ratio, determines the first operation power, according to One operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, has Conducive to the accuracy of anti-freeze protected mode operation is lifted into, the generation for not entering or entering by mistake through phenomenon, Jin Eryou are reduced Conducive to promotion air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that air-conditioning system runs on dehumidification mode, detects indoor environment temperature in real time Degree and outdoor environment temperature, determine bus current estimated value, including：Detection indoor environment temperature and outdoor environment temperature in real time, Determine moisture removal；According to moisture removal and default dehumidifying efficiency ratio, the second operation power is determined；According to the second operation power and volume Constant voltage value determines bus current estimated value.
In this embodiment, when air-conditioning system runs on dehumidification mode, by detecting indoor environment temperature and outdoor in real time Environment temperature determines moisture removal, then according to moisture removal and default dehumidifying efficiency ratio, determines the second operation power, according to the Two operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, has Conducive to the accuracy of anti-freeze protected mode operation is lifted into, the generation for not entering or entering by mistake through phenomenon, Jin Eryou are reduced Conducive to promotion air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that determined whether to prevent freeze protection mode operation according to magnitude relationship, Including：It is more than more than the second predetermined threshold value and/or third difference when the first difference is more than the first predetermined threshold value and/or the second difference When third predetermined threshold value, determine to prevent freeze protection mode operation；Control that compressor shutdown, outdoor fan be out of service and room Inner blower is run with preset rotation speed.
In this embodiment, by being preset more than second when the first difference is more than the first predetermined threshold value and/or the second difference When threshold value and/or third difference are more than third predetermined threshold value, determine to prevent freeze protection mode operation, anti-freeze protected mode fortune Capable entrance is more accurate, reduces the generation for not entering or entering by mistake through anti-freeze protected mode operation phenomenon, is pressed by controlling Contracting machine is shut down, outdoor fan is out of service and indoor fan is run with preset rotation speed, can carry out anti-freeze to air-conditioning system Protection, while air-conditioning system is effectively run, the generation for the abnormal phenomenon such as reduction indoor unit drips.
In any of the above-described embodiment, it is preferable that further include：Determine the current operation wind shelves of indoor fan；According to working as Preceding operation wind shelves, determine the first predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value.
In this embodiment, by determining the current operation wind shelves of indoor fan, according to current operation wind shelves, first is determined Predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value, improve the first predetermined threshold value, the second predetermined threshold value with And the accuracy of third predetermined threshold value, the accuracy of anti-freeze protected mode entrance is further improved, air-conditioning system is improved Operational reliability.
It should be noted that the current operation wind shelves of indoor fan are higher, refrigerating capacity or moisture removal can more shed as early as possible, First predetermined threshold value, the second predetermined threshold value and third predetermined threshold value opposite can set smaller, generally 0.1A-1A, a side Face reduces indoor unit and freezes the generation for not entering anti-freeze protected mode phenomenon but, and on the other hand, reduction enters by mistake through anti-freeze guarantor The generation of mode operation phenomenon is protected, the influence to user experience is reduced.
In any of the above-described embodiment, it is preferable that judging the magnitude relationship between bus current value and predetermined threshold value Before, further include：When detecting into refrigeration mode or dehumidification mode, indoor unit coil temperature is detected in real time；When detecting When indoor unit coil temperature is less than preset temperature threshold, determines and be in easy freezing operating mode.
In this embodiment, by before judging the magnitude relationship between bus current value and predetermined threshold value, first carrying out The magnitude relationship of indoor unit coil temperature and preset temperature threshold judges to determine in easy freezing operating mode, further improve anti- The accuracy that freeze protection pattern enters reduces the generation for entering by mistake through anti-freeze protected mode operation phenomenon, is further promoted The operational reliability of air-conditioning system.
It should be noted that air-conditioning system access bus current is not added than in the prior art for the setting of preset temperature threshold Setting in the control of value detection wants high.
Embodiment 2
Fig. 2 shows the schematic block diagrams of operating control device 200 according to an embodiment of the invention.
As shown in Fig. 2, operating control device 200 according to an embodiment of the invention, including：Detection unit 202 is used for It detects when running on refrigeration mode or dehumidification mode, according to the bus current value of predetermined period detection air-conditioning system access；Sentence Disconnected unit 204, for judging the magnitude relationship between bus current value and predetermined threshold value；Determination unit 206, for according to size Relationship determines whether to prevent freeze protection mode operation.
In this embodiment, by detect run on refrigeration mode or dehumidification mode when, detected according to predetermined period The bus current value of air-conditioning system access, judges the magnitude relationship between bus current value and predetermined threshold value, according to magnitude relationship Determine whether, to prevent freeze protection mode operation, to control whether to protect with anti-freeze according to the bus current value of air-conditioning system access Mode operation is protected, the accuracy that air-conditioning system enters anti-freeze protection is improved, reduces and does not enter or enter by mistake through anti-freeze guarantor The generation of phenomenon is protected, and then reduces indoor unit and the generations of abnormal phenomenon such as drips, improves the operational reliability of air-conditioning system, It so that air-conditioning system can be adapted for extreme environment, can automatically adjust in extreme circumstances, promote operational reliability.
It should be noted that predetermined period can be 1min-10min.
In the above embodiment, it is preferable that bus current value includes the first bus current value and the second bus current value, in advance If threshold value includes the first predetermined threshold value, operating control device 200 further includes：First computing unit 208, for calculating current period Between the second bus current value that the first bus current value detected and the adjacent upper cycle detection of current period are arrived One difference；Judging unit 204 is additionally operable to：Judge whether the first difference is more than the first predetermined threshold value.
In this embodiment, the first bus current value and current period that are detected with current period an adjacent upper period The first difference between the second bus current value detected be used as whether to prevent freeze protection mode operation Rule of judgment, Namely the change of the bus current value by detecting be turned to whether to prevent freeze protection mode operation Rule of judgment, for whether Provide data foundation to prevent freeze protection mode operation, and accuracy is higher, be conducive to promoted air-conditioning system enter it is antifreeze The accuracy of protection is tied, the generation for not entering or entering by mistake through anti-freeze protection phenomenon is reduced, and then is conducive to promote air-conditioning system Operational reliability.
In any of the above-described embodiment, it is preferable that predetermined threshold value includes the second predetermined threshold value, and determination unit 206 is also used In：Detection indoor environment temperature and outdoor environment temperature in real time, determine bus current estimated value；Operating control device 200 also wraps It includes：Second computing unit 210, for calculating the second difference between bus current estimated value and bus current value；Judging unit 204 are additionally operable to：Judge whether the second difference is more than the second predetermined threshold value.
In this embodiment, by detecting indoor environment temperature and outdoor environment temperature in real time, determine that bus current is estimated Whether value, be used as with the second difference between bus current estimated value and bus current value to prevent freeze protection mode operation Rule of judgment, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to be promoted empty Adjusting system enters the accuracy of anti-freeze protection, reduces the generation for not entering or entering by mistake through anti-freeze protection phenomenon, and then advantageous In promotion air-conditioning system operational reliability.
In any of the above-described technical solution, it is preferable that predetermined threshold value includes third predetermined threshold value, the second computing unit 210 are additionally operable to：It is poor to calculate calculated second difference of current period and the adjacent upper computation of Period of current period go out second Third difference between value；Judging unit 204 is additionally operable to：Judge whether third difference is more than third predetermined threshold value.
In the technical scheme, by with calculated second difference of current period and current period an adjacent upper period Third difference between calculated second difference be used as whether to prevent freeze protection mode operation Rule of judgment, Ye Jitong Whether the change for the second difference crossed between detection bus current estimated value and bus current value is turned to prevent freeze protection pattern The Rule of judgment of operation, whether to provide data foundation to prevent freeze protection mode operation, and accuracy is higher, is conducive to The accuracy that air-conditioning system enters anti-freeze protection is promoted, the generation for not entering or entering by mistake through anti-freeze protection phenomenon is reduced, into And be conducive to promote air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that air-conditioning system runs on refrigeration mode, and determination unit 206 is additionally operable to： Detection indoor environment temperature and outdoor environment temperature in real time, determine refrigerating capacity；Determination unit 206 is additionally operable to：According to refrigerating capacity and Default refrigeration efficiency ratio, determines the first operation power；Determination unit 206 is additionally operable to：According to the first operation power and specified electricity Pressure value determines bus current estimated value.
In this embodiment, when air-conditioning system runs on refrigeration mode, according to real-time detection indoor environment temperature and outdoor Environment temperature determines refrigerating capacity, then according to refrigerating capacity and default refrigeration efficiency ratio, determines the first operation power, according to One operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, has Conducive to the accuracy of anti-freeze protected mode operation is lifted into, the generation for not entering or entering by mistake through phenomenon, Jin Eryou are reduced Conducive to promotion air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that air-conditioning system runs on dehumidification mode, and determination unit 206 is additionally operable to： Detection indoor environment temperature and outdoor environment temperature in real time, determine moisture removal；Determination unit 206 is additionally operable to：According to moisture removal and Default dehumidifying efficiency ratio, determines the second operation power；Determination unit 206 is additionally operable to：According to the second operation power and specified electricity Pressure value determines bus current estimated value.
In this embodiment, when air-conditioning system runs on dehumidification mode, by detecting indoor environment temperature and outdoor in real time Environment temperature determines moisture removal, then according to moisture removal and default dehumidifying efficiency ratio, determines the second operation power, according to the Two operation power and load voltage value, determine bus current estimated value, and bus current estimated value is more accurate, and fitting is practical, has Conducive to the accuracy of anti-freeze protected mode operation is lifted into, the generation for not entering or entering by mistake through phenomenon, Jin Eryou are reduced Conducive to promotion air-conditioning system operational reliability.
In any of the above-described embodiment, it is preferable that determination unit 206 is additionally operable to：It is preset when the first difference is more than first When threshold value and/or the second difference are more than the second predetermined threshold value and/or third difference more than third predetermined threshold value, determine with anti-freeze Protected mode is run；Operating control device 200 further includes：Control unit 212, for controlling compressor shutdown, outdoor fan stops Only operation and indoor fan are run with preset rotation speed.
In this embodiment, by being preset more than second when the first difference is more than the first predetermined threshold value and/or the second difference When threshold value and/or third difference are more than third predetermined threshold value, determine to prevent freeze protection mode operation, anti-freeze protected mode fortune Capable entrance is more accurate, reduces the generation for not entering or entering by mistake through anti-freeze protected mode operation phenomenon, is pressed by controlling Contracting machine is shut down, outdoor fan is out of service and indoor fan is run with preset rotation speed, can carry out anti-freeze to air-conditioning system Protection, while air-conditioning system is effectively run, the generation for the abnormal phenomenon such as reduction indoor unit drips.
In any of the above-described embodiment, it is preferable that determination unit 206 is additionally operable to：Determine the current operation of indoor fan Wind shelves；Determination unit 206 is additionally operable to：According to current operation wind shelves, determine the first predetermined threshold value and/or the second predetermined threshold value and/ Or third predetermined threshold value.
In this embodiment, by determining the current operation wind shelves of indoor fan, according to current operation wind shelves, first is determined Predetermined threshold value and/or the second predetermined threshold value and/or third predetermined threshold value, improve the first predetermined threshold value, the second predetermined threshold value with And the accuracy of third predetermined threshold value, the accuracy of anti-freeze protected mode entrance is further improved, air-conditioning system is improved Operational reliability.
It should be noted that the current operation wind shelves of indoor fan are higher, refrigerating capacity or moisture removal can more shed as early as possible, First predetermined threshold value, the second predetermined threshold value and third predetermined threshold value opposite can set smaller, generally 0.1A-1A, a side Face reduces indoor unit and freezes the generation for not entering anti-freeze protected mode phenomenon but, and on the other hand, reduction enters by mistake through anti-freeze guarantor The generation of mode operation phenomenon is protected, the influence to user experience is reduced.
In any of the above-described embodiment, it is preferable that detection unit 202 is additionally operable to：Detecting into refrigeration mode or When dehumidification mode, indoor unit coil temperature is detected in real time；Determination unit 206 is additionally operable to：When detecting that indoor unit coil temperature is small When preset temperature threshold, determines and be in easy freezing operating mode.
In this embodiment, by before judging the magnitude relationship between bus current value and predetermined threshold value, first carrying out The magnitude relationship of indoor unit coil temperature and preset temperature threshold judges to determine in easy freezing operating mode, further improve anti- The accuracy that freeze protection pattern enters reduces the generation for entering by mistake through anti-freeze protected mode operation phenomenon, is further promoted The operational reliability of air-conditioning system.
It should be noted that air-conditioning system access bus current is not added than in the prior art for the setting of preset temperature threshold Setting in the control of value detection wants high.
Embodiment 3
Fig. 3 shows the schematic block diagram of air conditioner 300 according to an embodiment of the invention.
As shown in figure 3, air conditioner 300, includes the operating control device of any one of embodiments of the invention described above proposition 200。
In this embodiment, air conditioner 300 includes the operation control dress for any one that embodiments of the invention described above propose 200, therefore whole advantageous effects of the operating control device 200 of any one with embodiments of the invention described above proposition are set, Details are not described herein.
Embodiment 4
Computer readable storage medium according to an embodiment of the invention is stored thereon with computer program, computer journey The step of progress control method for any one that embodiments of the invention described above propose is realized when sequence is executed by processor.
In this embodiment, computer readable storage medium, is stored thereon with computer program, and computer program is handled The step of progress control method for any one that embodiments of the invention described above propose is realized when device executes, therefore there is above-mentioned Whole advantageous effects of the progress control method for any one that the embodiment of invention proposes, details are not described herein.
Embodiment 5
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：
S402, air-conditioning system run on refrigeration mode or dehumidification mode；
S404, after air-conditioning system runs preset time t 0, according to predetermined period detection indoor environment temperature, outdoor environment temperature The bus current value I that degree, indoor unit coil temperature T, air-conditioning system access；
S406 is calculated according to indoor environment temperature, outdoor environment temperature and is determined bus current estimated value I0, current period Bus current estimated value and bus current value between difference DELTA I (namely second difference) and adjacent predetermined period Δ I Variation delta It (namely third difference)；
S408 judges T<TsetNamely judge whether indoor unit coil temperature is less than preset temperature threshold；
If the judgement to S408 is yes, S410 is executed, judges Δ I>ΔIset1, namely judge whether the second difference is big In the second predetermined threshold value；
If the judgement to S408 is no, S404 is executed；
If the judgement to S410 is yes, S412 is executed, judges Δ It>ΔIset2, namely whether judge third difference More than third predetermined threshold value；
If the judgement to S410 is no, S404 is executed；
If the judgement to S412 is yes, S414 is executed, to prevent freeze protection mode operation；
If the judgement to S412 is no, S404 is executed.
Be described in detail technical scheme of the present invention above in association with attached drawing, the present invention propose a kind of progress control method, A kind of operating control device, a kind of air conditioner and a kind of computer readable storage medium, pass through the mother accessed according to air-conditioning system Line current value enters the accuracy that anti-freeze is protected to control whether to improve air-conditioning system to prevent freeze protection mode operation, Reduce the generation for not entering or entering by mistake through anti-freeze protection phenomenon, and then reduces indoor unit and the hairs of abnormal phenomenon such as drip It is raw, improve the operational reliability of air-conditioning system.
Step in the method for the present invention can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in apparatus of the present invention can be combined, divided, and deleted according to actual needs.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One- Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory (Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can Any other computer-readable medium for carrying or storing data.
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 (20)

1. a kind of progress control method, which is characterized in that including：
Detect run on refrigeration mode or dehumidification mode when, according to predetermined period detection air-conditioning system access bus current Value；
Judge the magnitude relationship between the bus current value and predetermined threshold value；
Determined whether to prevent freeze protection mode operation according to the magnitude relationship.
2. progress control method according to claim 1, which is characterized in that the bus current value includes the first busbar electricity Flow valuve and the second bus current value, the predetermined threshold value include the first predetermined threshold value, described to judge the bus current value and pre- If the magnitude relationship between threshold value, including：
It calculates the first bus current value for detecting of current period and the adjacent upper cycle detection of the current period is arrived the The first difference between two bus current values；
Judge whether first difference is more than first predetermined threshold value.
3. progress control method according to claim 1, which is characterized in that the predetermined threshold value includes the second default threshold Value, the magnitude relationship judged between the bus current value and predetermined threshold value, including：
Detection indoor environment temperature and outdoor environment temperature in real time, determine bus current estimated value；
Calculate the second difference between the bus current estimated value and the bus current value；
Judge whether second difference is more than second predetermined threshold value.
4. progress control method according to claim 3, which is characterized in that the predetermined threshold value includes that third presets threshold Value, the magnitude relationship judged between the bus current value and predetermined threshold value further include：
Calculate calculated second difference of current period and the adjacent upper computation of Period of the current period go out it is described Third difference between second difference；
Judge whether the third difference is more than the third predetermined threshold value.
5. progress control method according to claim 3, which is characterized in that the air-conditioning system runs on the refrigeration mould Formula, the real-time detection indoor environment temperature and outdoor environment temperature, determine bus current estimated value, including：
The indoor environment temperature and the outdoor environment temperature are detected in real time, determine refrigerating capacity；
According to the refrigerating capacity and default refrigeration efficiency ratio, the first operation power is determined；
Power and load voltage value are run according to described first, determines the bus current estimated value.
6. progress control method according to claim 3, which is characterized in that the air-conditioning system runs on the dehumidifying mould Formula, the real-time detection indoor environment temperature and outdoor environment temperature, determine bus current estimated value, including：
The indoor environment temperature and the outdoor environment temperature are detected in real time, determine moisture removal；
According to the moisture removal and default dehumidifying efficiency ratio, the second operation power is determined；
Power and load voltage value are run according to described second, determines the bus current estimated value.
7. the progress control method according to any one of claim 2 to 6, which is characterized in that described according to the size Relationship determines whether to prevent freeze protection mode operation, including：
When first difference is more than first predetermined threshold value and/or second difference more than second predetermined threshold value And/or the third difference be more than the third predetermined threshold value when, determine to prevent freeze protection mode operation；
Control compressor shutdown, outdoor fan is out of service and indoor fan is run with preset rotation speed.
8. the progress control method according to any one of claim 2 to 6, which is characterized in that further include：
Determine the current operation wind shelves of indoor fan；
According to the current operation wind shelves, first predetermined threshold value and/or second predetermined threshold value and/or described are determined Three predetermined threshold values.
9. progress control method according to any one of claim 1 to 6, which is characterized in that judge the mother described Before magnitude relationship between line current value and predetermined threshold value, further include：
When detecting into the refrigeration mode or the dehumidification mode, indoor unit coil temperature is detected in real time；
When detecting that the indoor unit coil temperature is less than preset temperature threshold, determines and be in easy freezing operating mode.
10. a kind of operating control device, which is characterized in that including：
Detection unit, for detect run on refrigeration mode or dehumidification mode when, according to predetermined period detect air-conditioning system The bus current value of access；
Judging unit, for judging the magnitude relationship between the bus current value and predetermined threshold value；
Determination unit, for being determined whether to prevent freeze protection mode operation according to the magnitude relationship.
11. operating control device according to claim 10, which is characterized in that the bus current value includes the first busbar Current value and the second bus current value, the predetermined threshold value include the first predetermined threshold value, and the operating control device further includes：
First computing unit is adjacent for calculating the first bus current value that current period detects and the current period The first difference between the second bus current value that one cycle detection is arrived；
The judging unit is additionally operable to：Judge whether first difference is more than first predetermined threshold value.
12. operating control device according to claim 10, which is characterized in that the predetermined threshold value includes the second default threshold Value,
The determination unit is additionally operable to：Detection indoor environment temperature and outdoor environment temperature in real time, determine bus current estimated value；
The operating control device further includes：
Second computing unit, for calculating the second difference between the bus current estimated value and the bus current value；
The judging unit is additionally operable to：Judge whether second difference is more than second predetermined threshold value.
13. operating control device according to claim 12, which is characterized in that the predetermined threshold value includes that third presets threshold Value,
Second computing unit is additionally operable to：It calculates calculated second difference of current period and the current period is adjacent Second difference that goes out of a upper computation of Period between third difference；
The judging unit is additionally operable to：Judge whether the third difference is more than the third predetermined threshold value.
14. operating control device according to claim 12, which is characterized in that the air-conditioning system runs on the refrigeration Pattern,
The determination unit is additionally operable to：The indoor environment temperature and the outdoor environment temperature are detected in real time, determine refrigerating capacity；
The determination unit is additionally operable to：According to the refrigerating capacity and default refrigeration efficiency ratio, the first operation power is determined；
The determination unit is additionally operable to：Power and load voltage value are run according to described first, determines the bus current estimation Value.
15. operating control device according to claim 12, which is characterized in that the air-conditioning system runs on the dehumidifying Pattern,
The determination unit is additionally operable to：The indoor environment temperature and the outdoor environment temperature are detected in real time, determine moisture removal；
The determination unit is additionally operable to：According to the moisture removal and default dehumidifying efficiency ratio, the second operation power is determined；
The determination unit is additionally operable to：Power and load voltage value are run according to described second, determines the bus current estimation Value.
16. the operating control device according to any one of claim 11 to 15, which is characterized in that
The determination unit is additionally operable to：When first difference is big more than first predetermined threshold value and/or second difference When second predetermined threshold value and/or the third difference are more than the third predetermined threshold value, determine to prevent freeze protection mould Formula is run；
The operating control device further includes：
Control unit, for controlling, compressor shutdown, outdoor fan are out of service and indoor fan is run with preset rotation speed.
17. the operating control device according to any one of claim 11 to 15, which is characterized in that
The determination unit is additionally operable to：Determine the current operation wind shelves of indoor fan；
The determination unit is additionally operable to：According to the current operation wind shelves, first predetermined threshold value and/or described second are determined Predetermined threshold value and/or the third predetermined threshold value.
18. the operating control device according to any one of claim 10 to 15, which is characterized in that
The detection unit is additionally operable to：When detecting into the refrigeration mode or the dehumidification mode, detection is indoor in real time Machine coil temperature；
The determination unit is additionally operable to：When detecting that the indoor unit coil temperature is less than preset temperature threshold, determination is in Easy freezing operating mode.
19. a kind of air conditioner, the air conditioner includes memory, processor and is stored on the memory and can be at the place The computer program run on reason device, which is characterized in that
The processor realizes operation controlling party as claimed in any one of claims 1-9 wherein when executing the computer program The step of method；
And/or include operating control device as described in any one of claim 10 to 18.
20. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of progress control method as claimed in any one of claims 1-9 wherein is realized when being executed by processor.
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