CN108344115A - Control method, air-cooled unit and the storage medium of air-cooled unit - Google Patents

Control method, air-cooled unit and the storage medium of air-cooled unit Download PDF

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Publication number
CN108344115A
CN108344115A CN201810126304.0A CN201810126304A CN108344115A CN 108344115 A CN108344115 A CN 108344115A CN 201810126304 A CN201810126304 A CN 201810126304A CN 108344115 A CN108344115 A CN 108344115A
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China
Prior art keywords
pressure
air
rotating speed
inspiration
expulsion
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Granted
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CN201810126304.0A
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Chinese (zh)
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CN108344115B (en
Inventor
陈乾
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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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Priority to CN201810126304.0A priority Critical patent/CN108344115B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F2140/10—Pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The present invention discloses a kind of control method of air-cooled unit, by after the first preset duration of compressor start, the pressure at expulsion and pressure of inspiration(Pi) of air-cooled unit are detected at interval of the second preset duration, judge whether the pressure at expulsion detected and pressure of inspiration(Pi) are in corresponding presetting range, when the pressure at expulsion and pressure of inspiration(Pi) are in except corresponding presetting range, adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, the pressure at expulsion and pressure of inspiration(Pi) are limited in corresponding presetting range, ensure air-cooled unit normal operation in compressor operating pressure limit.Invention additionally discloses a kind of air-cooled unit and storage mediums.The invention avoids compressor longtime runnings except normal operation pressure limit to the damage of compressor, improves the service life of compressor, improves the operational reliability of compressor and air-cooled unit.

Description

Control method, air-cooled unit and the storage medium of air-cooled unit
Technical field
The present invention relates to a kind of air conditioner technical field more particularly to control method of air conditioner, air-cooled unit and storages Medium.
Background technology
Precision air conditioner needs daily non-stop run in 24 hours, and the core of air-conditioning is compressor, ensures that precision air conditioner is long-term The necessary condition of uninterrupted operation is to ensure that compressor is run in normal range of operation.
Compressor can be attached to corresponding compressor specifications in manufacture comprising compressor normal operation pressure limit Figure, to ensure that compressor is run in normal operation pressure limit.But when air conditioner is run, similar high pressure is only gived The simple pressure limit such as alarm and low pressure alarming, compressor may be run except normal operation pressure limit, in compressor Longtime running will seriously affect service life and the operational reliability of compressor when except normal operation pressure limit.
Invention content
The main purpose of the present invention is to provide a kind of control methods of air-cooled unit, it is intended to extend compressor service life, Improve its operational reliability.
To achieve the above object, the control method of air-cooled unit proposed by the present invention, includes the following steps：
After the first preset duration of compressor start, the pressure at expulsion P of air-cooled unit is detected at interval of the second preset durationk With pressure of inspiration(Pi) Po；
Judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding presetting range is in；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion Pk With the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range；
Wherein, the second preset duration described in the first preset duration ＞.
Further, described to judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether the step of corresponding presetting range is in Suddenly, including：
Judge the pressure at expulsion P according to preset compressor operating pressure limit figurekWith pressure of inspiration(Pi) PoWhether in pair The presetting range answered.
Further, described that the pressure at expulsion P is judged according to preset compressor operating pressure limit figurekAnd pressure of inspiration(Pi) Power PoThe step of whether being in corresponding presetting range, including：
With the pressure of inspiration(Pi) P of air-cooled unitoFor x-axis, with the pressure at expulsion P of air-cooled unitkPlane coordinate system is built for y-axis；
First function area corresponding with preset compressor operating pressure limit figure is indicated in the plane coordinate system Domain；
The pressure at expulsion P that will be detectedkWith pressure of inspiration(Pi) PoThe pressure coordinates point of the plane coordinate system is converted to, is judged Whether the pressure coordinates point falls into the first function region.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding presetting range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhen corresponding pressure coordinates point is located at except first function region, inspection Whether the indoor fan rotating speed and/or outdoor fan rotating speed for surveying air-cooled unit rise to highest or are down to speed limit threshold value；
If so, triggering alarm and controlling compressor shutdown, or execute the pressure at expulsion P of detection air-cooled unitkWith Pressure of inspiration(Pi) PoThe step of；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion Pk With the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding presetting range, including：
Work as Pk＞ PkmaxWhen, whether the outdoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the outdoor fan rotating speed is then risen to highest, by the pressure at expulsion PkIt is limited in corresponding preset Range；
If so, in Pk＞ PkmaxWhen continuing third preset duration, triggering exhaust alarm for high voltage prompts and controls compressor to stop Machine, or in Pk＞ PkmaxWhen not continuing third preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the third preset duration ＜.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
Work as Pk＜ PkminWhen, whether the outdoor fan rotating speed for detecting air-cooled unit is down to 0；
If it is not, the outdoor fan rotating speed is then down to 0, by the pressure at expulsion PkIt is limited in corresponding preset model It encloses；
If so, in Pk＜ PkminWhen continuing four preset durations, triggering exhaust low pressure alarming prompts and controls compressor to stop Machine, or in Pk＜ PkminWhen not continuing four preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 4th preset duration ＜.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
Work as Po＜ PominWhen, whether the indoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the indoor fan rotating speed is then risen to highest, by the pressure of inspiration(Pi) PoIt is limited in corresponding preset Range；
If so, in Po＜ PominWhen continuing five preset durations, triggering air-breathing low pressure alarming prompts and controls compressor to stop Machine, or in Po＜ PominWhen not continuing five preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
Work as Po＞ PomaxWhen, whether the indoor fan rotating speed for detecting air-cooled unit is down to speed limit threshold value；
If it is not, the indoor fan rotating speed is then down to speed limit threshold value, by the pressure of inspiration(Pi) PoIt is limited in corresponding Presetting range；
If so, in Po＞ PomaxWhen continuing six preset durations, triggering air-breathing alarm for high voltage prompts and controls compressor to stop Machine, or in Po＞ PomaxWhen not continuing six preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When second function region, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed rises to highest；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter rising to highest, by outdoor fan rotating speed with pre- If rotating speed △ RoutHighest is risen to, the pressure coordinates point is limited in corresponding first function region；
If so, when the pressure coordinates point is in seven preset duration of second function regional sustained, triggering compression Than excessively high alarm and compressor shutdown is controlled, or does not continue the 7th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 7th preset duration ＜.
Further, when the outdoor fan rotating speed for detecting air-cooled unit rises to highest, the throttling of air-cooled unit is detected Whether the aperture of element reaches suction superheat limit value；
If it is not, then adjust the aperture of the restricting element to suction superheat limit value with default aperture △ B, it will be described Pressure coordinates point is limited in corresponding first function region；
If so, the duration according to the pressure coordinates point in second function region, triggers the excessively high alarm of compression ratio Compressor shutdown is prompted and controlled, or executes the pressure at expulsion P of detection air-cooled unitkWith pressure of inspiration(Pi) PoThe step of.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When third function area, whether the outdoor fan rotating speed for detecting air-cooled unit successively rises to highest, indoor fan rotating speed drop To speed limit threshold value；
If it is not, then by outdoor fan rotating speed with preset rotation speed △ RoutAfter rising to maximum (top) speed, by the indoor fan rotating speed With preset rotation speed △ RinIt is down to anti-freeze limit value, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the third function area continues eight preset durations, triggering compression Compressor shutdown is prompted and controlled than abnormal alarm, or does not continue the 8th in the third function area in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 8th preset duration ＜.
Further, described if it is not, then adjust the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, will The pressure at expulsion PkWith the pressure of inspiration(Pi) PoThe step of being limited in corresponding first presetting range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When four function areas, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed is down to speed limit threshold value；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter being down to anti-freeze limit value, outdoor fan is turned Speed is with preset rotation speed △ RoutRotating speed is minimized, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the 4th function area continues nine preset durations, triggering compression Than too low alarm and compressor shutdown is controlled, or does not continue the 9th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 9th preset duration ＜.
Further, as the pressure at expulsion P of air-cooled unitkWith pressure of inspiration(Pi) PoWhen in corresponding presetting range, wind is controlled Cold group maintains current indoor and outdoor rotation speed of fan and/or restricting element aperture.
Present invention further propose that a kind of air-cooled unit, which includes memory, processor and is stored in described Memory and the control program that can be run on the processor are realized as above when the control program is executed by the processor The step of control method of the air-cooled unit.
The present invention also proposes a kind of storage medium, and the storage medium storing control program, the control program is handled The step of device realizes the control method of air-cooled unit as described above when executing.
The control method of the air-cooled unit of the embodiment of the present invention, by after the first preset duration of compressor start, every The pressure at expulsion and pressure of inspiration(Pi) of air-cooled unit are detected every the second preset duration, judges the pressure at expulsion detected and pressure of inspiration(Pi) Whether it is in corresponding presetting range, when the pressure at expulsion and pressure of inspiration(Pi) are in except corresponding presetting range, adjusted The indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, correspondence is limited in by the pressure at expulsion and pressure of inspiration(Pi) Presetting range, ensure air-cooled unit normal operation in compressor operating pressure limit.The control method passes through preset pressure When the pressure at expulsion and pressure of inspiration(Pi) of contracting machine operating pressure areal map judgement air-cooled unit are in except corresponding presetting range, adjust Indoor fan rotating speed and/or outdoor fan rotating speed are saved, pressure at expulsion and pressure of inspiration(Pi) are limited in corresponding presetting range, is ensured Compressor operating avoids compressor longtime running right except normal operation pressure limit in normal operation pressure limit The damage of compressor improves the service life of compressor, improves the operational reliability of compressor and air-cooled unit.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the hardware architecture diagram of one embodiment of air-cooled unit of the present invention；
Fig. 2 is the flow diagram of one embodiment of control method of the air-cooled unit of the present invention；
Fig. 3 is the flow diagram of mono- embodiments of step S20 in Fig. 2；
Fig. 4 is the schematic diagram of one embodiment of compressor operating pressure limit figure of the present invention；
Fig. 5 is the flow diagram of mono- embodiments of step S21 in Fig. 3；
Fig. 6 is the flow diagram of mono- embodiments of step S30 in Fig. 2.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, Fig. 1 is the hardware architecture diagram of one embodiment of air-cooled unit of the present invention.
As shown in Figure 1, air-cooled unit 100 may include：Processor 1001, such as CPU, network interface 1004, Yong Hujie Mouth 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is logical for realizing the connection between these components Letter.User interface 1003 may include display unit (Display), input unit such as interactive interface, air-cooled in the present invention Unit 100 can interact during running software with user terminal, and parameter setting or debugging are being carried out to air-cooled unit 100 When, tester or designer can be using the inputs of the progress data information of user interface 1003, and optional user interface 1003 is also It may include standard wireline interface and wireless interface.Network interface 1004 may include optionally the wireline interface, wireless of standard Interface (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory, can also be stable memory (non- Volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor 1001 Storage device.
Optionally, air-cooled unit 100 can also include camera, RF (Radio Frequency, radio frequency) circuit, sensing Device, voicefrequency circuit, WiFi module etc..Wherein, sensor such as optical sensor, motion sensor, air quality sensor with And other sensors.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor The brightness of display unit can be adjusted according to the light and shade of ambient light, proximity sensor can come into air-cooled unit detecting people When 100, display unit and/or backlight are opened.As environment measuring element, air quality sensor can be temperature sensor, Humidity sensor, carbon dioxide sensor and PM2.5 sensors, the air quality sensor in the present embodiment are preferably warm and humid Sensor is spent, to detect the indoor and outdoor humiture of air-cooled unit local environment in real time；Certainly, the air-cooled unit 100 may be used also The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor are configured, details are not described herein.This implementation Example is in order to accurately detect the pressure at expulsion P of air-cooled unitkWith pressure of inspiration(Pi) Po, it is respectively provided in the exhaust outlet and air entry of compressor There is pressure sensor.
It will be understood by those skilled in the art that hardware configuration shown in Fig. 1 does not constitute the limit to air-cooled unit 100 It is fixed, may include either combining certain components or different components arrangement than illustrating more or fewer components.
The primary solutions of the embodiment of the present invention are：By after the first preset duration of compressor start, at interval of Two preset durations detect the pressure at expulsion and pressure of inspiration(Pi) of air-cooled unit, judge whether are the pressure at expulsion detected and pressure of inspiration(Pi) In corresponding presetting range, when the pressure at expulsion and pressure of inspiration(Pi) are in except corresponding presetting range, adjust air-cooled The indoor fan rotating speed and/or outdoor fan rotating speed of unit, the pressure at expulsion and pressure of inspiration(Pi) are limited in corresponding pre- Range is set, ensures air-cooled unit normal operation in compressor operating pressure limit.The control method passes through preset compressor When the pressure at expulsion and pressure of inspiration(Pi) of operating pressure areal map judgement air-cooled unit are in except corresponding presetting range, regulation room Pressure at expulsion and pressure of inspiration(Pi) are limited in corresponding presetting range, ensure that pressure by inner blower rotating speed and/or outdoor fan rotating speed Contracting machine operates in normal operation pressure limit, avoids compressor longtime running except normal operation pressure limit to compression The damage of machine improves the service life of compressor, improves the operational reliability of compressor and air-cooled unit.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage media Believe module and control program.
In air-cooled unit 100 shown in Fig. 1, air-cooled unit 100 is equipped with pressure sensor to detect pressure at expulsion PkWith Pressure of inspiration(Pi) Po, network interface 1004 is mainly used for connecting background server or big data high in the clouds, with background server or big number According to high in the clouds into row data communication, to obtain compressor normal operation pressure limit figure；User interface 1003 is mainly used for connection visitor Family end (user terminal), with client into row data communication；And processor 1001 can call the control journey that memory 1005 stores Sequence, and execute following operation：
After the first preset duration of compressor start, the pressure at expulsion P of air-cooled unit is detected at interval of the second preset durationk With pressure of inspiration(Pi) Po；
Judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding presetting range is in；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion Pk With the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range；
Wherein, the second preset duration described in the first preset duration ＞.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
Judge the pressure at expulsion P according to preset compressor operating pressure limit figurekWith pressure of inspiration(Pi) PoWhether in pair The presetting range answered.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
With the pressure of inspiration(Pi) P of air-cooled unitoFor x-axis, with the pressure at expulsion P of air-cooled unitkPlane coordinate system is built for y-axis；
First function area corresponding with preset compressor operating pressure limit figure is indicated in the plane coordinate system Domain；
The pressure at expulsion P that will be detectedkWith pressure of inspiration(Pi) PoThe pressure coordinates point of the plane coordinate system is converted to, is judged Whether the pressure coordinates point falls into the first function region.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhen corresponding pressure coordinates point is located at except first function region, inspection Whether the indoor fan rotating speed and/or outdoor fan rotating speed for surveying air-cooled unit rise to highest or are down to speed limit threshold value；
If so, triggering alarm and controlling compressor shutdown, or execute the pressure at expulsion P of detection air-cooled unitkWith Pressure of inspiration(Pi) PoThe step of；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion Pk With the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
Work as Pk＞ PkmaxWhen, whether the outdoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the outdoor fan rotating speed is then risen to highest, by the pressure at expulsion PkIt is limited in corresponding preset Range；
If so, in Pk＞ PkmaxWhen continuing third preset duration, triggering exhaust alarm for high voltage prompts and controls compressor to stop Machine, or in Pk＞ PkmaxWhen not continuing third preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the third preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
Work as Pk＜ PkminWhen, whether the outdoor fan rotating speed for detecting air-cooled unit is down to 0；
If it is not, the outdoor fan rotating speed is then down to 0, by the pressure at expulsion PkIt is limited in corresponding preset model It encloses；
If so, in Pk＜ PkminWhen continuing four preset durations, triggering exhaust low pressure alarming prompts and controls compressor to stop Machine, or in Pk＜ PkminWhen not continuing four preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 4th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
Work as Po＜ PominWhen, whether the indoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the indoor fan rotating speed is then risen to highest, by the pressure of inspiration(Pi) PoIt is limited in corresponding preset Range；
If so, in Po＜ PominWhen continuing five preset durations, triggering air-breathing low pressure alarming prompts and controls compressor to stop Machine, or in Po＜ PominWhen not continuing five preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
Work as Po＞ PomaxWhen, whether the indoor fan rotating speed for detecting air-cooled unit is down to speed limit threshold value；
If it is not, the indoor fan rotating speed is then down to speed limit threshold value, by the pressure of inspiration(Pi) PoIt is limited in corresponding Presetting range；
If so, in Po＞ PomaxWhen continuing six preset durations, triggering air-breathing alarm for high voltage prompts and controls compressor to stop Machine, or in Po＞ PomaxWhen not continuing six preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When second function region, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed rises to highest；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter rising to highest, by outdoor fan rotating speed with pre- If rotating speed △ RoutHighest is risen to, the pressure coordinates point is limited in corresponding first function region；
If so, when the pressure coordinates point is in seven preset duration of second function regional sustained, triggering compression Than excessively high alarm and compressor shutdown is controlled, or does not continue the 7th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 7th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
When the outdoor fan rotating speed for detecting air-cooled unit rises to highest, the aperture of the restricting element of air-cooled unit is detected Whether suction superheat limit value is reached；
If it is not, then adjust the aperture of the restricting element to suction superheat limit value with default aperture △ B, it will be described Pressure coordinates point is limited in corresponding first function region；
If so, the duration according to the pressure coordinates point in second function region, triggers the excessively high alarm of compression ratio Compressor shutdown is prompted and controlled, or executes the pressure at expulsion P of detection air-cooled unitkWith pressure of inspiration(Pi) PoThe step of.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When third function area, whether the outdoor fan rotating speed for detecting air-cooled unit successively rises to highest, indoor fan rotating speed drop To speed limit threshold value；
If it is not, then by outdoor fan rotating speed with preset rotation speed △ RoutAfter rising to maximum (top) speed, by the indoor fan rotating speed With preset rotation speed △ RinIt is down to anti-freeze limit value, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the third function area continues eight preset durations, triggering compression Compressor shutdown is prompted and controlled than abnormal alarm, or does not continue the 8th in the third function area in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 8th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When four function areas, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed is down to speed limit threshold value；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter being down to anti-freeze limit value, outdoor fan is turned Speed is with preset rotation speed △ RoutRotating speed is minimized, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the 4th function area continues nine preset durations, triggering compression Than too low alarm and compressor shutdown is controlled, or does not continue the 9th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 9th preset duration ＜.
Further, processor 1001 may call upon the control program stored in memory 1005 and execute following operation：
As the pressure at expulsion P of air-cooled unitkWith pressure of inspiration(Pi) PoWhen in corresponding presetting range, control air-cooled unit dimension Hold current indoor and outdoor rotation speed of fan and/or restricting element aperture.
Further, it is the flow diagram of one embodiment of control method of the air-cooled unit of the present invention with reference to Fig. 2, Fig. 2.
In the present embodiment, the control method of the air-cooled unit, includes the following steps：
S10：After the first preset duration of compressor start, the exhaust pressure of air-cooled unit is detected at interval of the second preset duration Power PkWith pressure of inspiration(Pi) Po；
In the present embodiment, the control method of the air-cooled unit is mainly used for controlling compressor operating in normal operation pressure In range, avoids compressor longtime running from damaging compressor except normally-pressured neighbor, seriously affect compressor and Air cooler The service life of group and operational reliability.For this purpose, the present invention Air cooler startup after, using be set to exhaust outlet of compressor with condensation The pressure at expulsion P of first pressure sensor detection air-cooled unit between devicek, using being set to compressor air suction mouth and evaporator Between second pressure sensor detection air-cooled unit pressure of inspiration(Pi) Po.After compressor start runs the first preset duration, Into preset control logic, such as carries out first time pressure at expulsion and pressure of inspiration(Pi) judges, first preset duration is 4min ~6min, preferably 5min.According to preset control logic, after carrying out first time pressure judgement, at interval of second it is default when The pressure at expulsion P of long detection air-cooled unitkWith pressure of inspiration(Pi) Po, compressor operating pressure limit is adjusted in real time with realizing, Second preset duration is 1min~3min, preferably 2min.
S20：Judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding presetting range is in；
In preset control logic, the pressure at expulsion P of air-cooled unit is obtained at interval of the second preset durationkAnd pressure of inspiration(Pi) Power PoAfterwards, judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding presetting range is in.The presetting range needs first Meet：Minimum pressure at expulsion Pkmin≤ pressure at expulsion Pk≤ maximum pressure at expulsion Pkmax, minimal inspiratory pressure Pomin≤ pressure of inspiration(Pi) Power Pk≤ maximum inspiratory pressure Pomax；Secondly, pressure at expulsion is excessively high, pressure of inspiration(Pi) is too low in order to further exclude, pressure at expulsion mistake Height, pressure of inspiration(Pi) are excessively high, and air-cooled unit caused by pressure at expulsion is too low, pressure of inspiration(Pi) is excessively high runs on normal operation pressure limit Except when caused by the service life of compressor and running stability influence, advanced optimize pressure at expulsion PkWith pressure of inspiration(Pi) PoIt is right The presetting range answered, such as with further reference to Fig. 3, Fig. 3 provide it is a kind of by diagram in the way of to pressure at expulsion PkWith pressure of inspiration(Pi) Po Corresponding presetting range is judged：Such as,
S21：Judge the pressure at expulsion P according to preset compressor operating pressure limit figurekWith pressure of inspiration(Pi) PoWhether locate In corresponding presetting range.
It is the schematic diagram of one embodiment of compressor operating pressure limit figure of the present invention with further reference to Fig. 4, Fig. 4.Fig. 4 is only A kind of corresponding compressor of model, when using the compressor of other models, Fig. 4 also accordingly replaces with the corresponding compressor Operating pressure areal map.As shown in figure 4, carrying out the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding preset model is in It encloses when being judged, it is main according to the pressure at expulsion P detectedkWith pressure of inspiration(Pi) PoWhether corresponding pressure coordinates point is in Fig. 4 institutes Show in the region 1 in compressor operating pressure limit figure, if so, the pressure at expulsion P of judgement air-cooled unitkWith pressure of inspiration(Pi) Po In corresponding presetting range, if it is not, then judging the pressure at expulsion P of air-cooled unitkWith pressure of inspiration(Pi) PoIn corresponding preset model Except enclosing.
If it is not, thening follow the steps S30；
S30：The indoor fan rotating speed and/or outdoor fan rotating speed for adjusting air-cooled unit, by the pressure at expulsion PkWith The pressure of inspiration(Pi) PoIt is limited in corresponding presetting range；
As the pressure at expulsion P of judgement air-cooled unitkWith pressure of inspiration(Pi) PoWhen except corresponding presetting range, to avoid Compressor longtime running influences caused by causing service life and running stability compressor except normal operation pressure limit, needs It will be to the pressure at expulsion P of compressorkWith pressure of inspiration(Pi) PoIt is adjusted.Due to pressure at expulsion PkWith pressure of inspiration(Pi) PoMain basis The running frequency of indoor and outdoor rotation speed of fan, the aperture of restricting element and compressor is related, thus can be by adjusting air-cooled unit Indoor fan rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith pressure of inspiration(Pi) PoIt is limited in corresponding preset model It encloses, ensures that compressor operating in normal operation pressure limit, ensures service life and the running stability of compressor.
If so, thening follow the steps S40；
S40：Control air-cooled unit maintains current indoor and outdoor rotation speed of fan and/or restricting element aperture.
Wherein, the second preset duration described in the first preset duration ＞.
As the pressure at expulsion P of judgement air-cooled unitkWith pressure of inspiration(Pi) PoWhen in corresponding presetting range, Air cooler is judged Group normal operation, then can be controlled in current second preset duration air-cooled unit maintain current indoor and outdoor rotation speed of fan and/ Or restricting element aperture.
The control method of the air-cooled unit of the embodiment of the present invention, by after the first preset duration of compressor start, every The pressure at expulsion and pressure of inspiration(Pi) of air-cooled unit are detected every the second preset duration, judges the pressure at expulsion detected and pressure of inspiration(Pi) Whether it is in corresponding presetting range, when the pressure at expulsion and pressure of inspiration(Pi) are in except corresponding presetting range, adjusted The indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit, correspondence is limited in by the pressure at expulsion and pressure of inspiration(Pi) Presetting range, ensure air-cooled unit normal operation in compressor operating pressure limit.The control method passes through preset pressure When the pressure at expulsion and pressure of inspiration(Pi) of contracting machine operating pressure areal map judgement air-cooled unit are in except corresponding presetting range, adjust Indoor fan rotating speed and/or outdoor fan rotating speed are saved, pressure at expulsion and pressure of inspiration(Pi) are limited in corresponding presetting range, is ensured Compressor operating avoids compressor longtime running right except normal operation pressure limit in normal operation pressure limit The damage of compressor improves the service life of compressor, improves the operational reliability of compressor and air-cooled unit.
Further, reference Fig. 5, the control method of the air-cooled unit based on above-described embodiment, step S21, including：
S211：With the pressure of inspiration(Pi) P of air-cooled unitoFor x-axis, with the pressure at expulsion P of air-cooled unitkPlane is built for y-axis to sit Mark system；
In the present embodiment, in order to further using the operating pressure areal map of compressor to the pressure at expulsion of air-cooled unit PkWith pressure of inspiration(Pi) PoWhether judged in corresponding presetting range, the operating pressure areal map of compressor is sat with plane The mode of mark system is converted to function area.Specially with the pressure of inspiration(Pi) P of air-cooled unitoFor x-axis, with the exhaust pressure of air-cooled unit Power PkPlane coordinate system is built for y-axis, it will be in the normal operation pressure correspondence mappings to the plane coordinate system of compressor.
S212：The first letter corresponding with preset compressor operating pressure limit figure is indicated in the plane coordinate system Number region；
When in by the plane coordinate system of the normal operation pressure correspondence mappings of the compressor to structure, y=f is utilized (x) function, by the normal operation pressure spot (P of compressoro, Pk) plane coordinate system is shown in based on y=f (x) function In, in addition, utilizing minimum pressure at expulsion Pkmin≤ pressure at expulsion Pk≤ maximum pressure at expulsion Pkmax, minimal inspiratory pressure Pomin≤ Pressure of inspiration(Pi) Pk≤ maximum inspiratory pressure Pomax, y is limited in [Pkmin, Pkmax], x is limited in [Pomin, Pomax], then Air cooler The pressure at expulsion P of groupkWith pressure of inspiration(Pi) PoCorresponding presetting range can be with y=f1(x), y=f2(x), y=f3(x) and Pkmin≤y≤Pkmax、Pomin≤x≤PomaxMark, wherein y=f1(x), y=f2(x), y=f3(x) it is that matching compressor is normal The fixed function of operating pressure range, then the first function region 1 in Fig. 4 can be with y≤f1(x)、y≤f2(x)、y≥f3 (x)、Pkmin≤y≤Pkmax、Pomin≤x≤PomaxMark.
S213：The pressure at expulsion P that will be detectedkWith pressure of inspiration(Pi) PoThe pressure coordinates point of the plane coordinate system is converted to, Judge whether the pressure coordinates point falls into the first function region.
When compressor normal operation pressure limit figure is shown in Fig. 4 with function area, so that it may with according to detection every time The pressure at expulsion P of the air-cooled unit arrivedkWith pressure of inspiration(Pi) PoWhether corresponding coordinate points judge compressor in first function region Whether normal operation pressure limit is operated in.
Further, reference Fig. 6, the control method of the air-cooled unit based on above-described embodiment, step S30, including：
S31：As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except first function region When, it detects the indoor fan rotating speed of air-cooled unit and/or whether outdoor fan rotating speed rises to highest or be down to speed limit threshold value；
In the present embodiment, when carrying out pressure judgement at interval of the second preset duration, if the pressure at expulsion PkWith Pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except first function region, as being located at compressor operating pressure limit in Fig. 4 When second function region 2 in figure, whether the indoor fan rotating speed and outdoor fan rotating speed that detect air-cooled unit rise to highest.When When positioned at third function area 3, whether the outdoor fan rotating speed that detects air-cooled unit rises to highest, whether indoor fan rotating speed drops To anti-freeze limit value.When positioned at four function areas 4, whether the indoor fan rotating speed for detecting air-cooled unit is down to anti-freeze limit Whether value, outdoor fan rotating speed minimize.
If so, thening follow the steps S32；
S32：Triggering alarm simultaneously controls compressor shutdown, or executes the pressure at expulsion P of detection air-cooled unitkAnd air-breathing Pressure PoThe step of；
When the indoor fan rotating speed of air-cooled unit and/or outdoor fan rotating speed rise to highest or are down to speed limit threshold value, root According to current exhaust pressure PkWith pressure of inspiration(Pi) PoDuration trigger alarm, or at interval of the second preset duration to air-cooled The pressure at expulsion P of unitkWith pressure of inspiration(Pi) PoJudged.Such as current exhaust pressure PkWith pressure of inspiration(Pi) PoKeep current state After reaching corresponding preset duration, the alarm of pressure at expulsion exception, pressure of inspiration(Pi) exception or compression ratio exception is triggered, and is controlled Compressor shutdown processed, to ensure service life and the running stability of compressor.Current exhaust pressure PkWith pressure of inspiration(Pi) PoKeep current After state is not up to corresponding preset duration, pressure judgement is carried out again after the second preset duration, repeatedly, until compression Machine is shut down.
If it is not, thening follow the steps S33；
S33：The indoor fan rotating speed and/or outdoor fan rotating speed for adjusting air-cooled unit, by the pressure at expulsion PkWith The pressure of inspiration(Pi) PoIt is limited in corresponding presetting range.
The indoor fan rotating speed of air-cooled unit do not rise to highest or be down to speed limit threshold value, air-cooled unit outdoor fan turn Speed does not rise to highest or is down to the indoor fan rotating speed of speed limit threshold value or air-cooled unit and outdoor fan rotating speed does not rise to highest Or when not dropping to speed limit threshold value, the indoor fan rotating speed of air-cooled unit and/or outdoor wind are adjusted according to corresponding control logic Machine rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is limited in first function region 1.
With reference to embodiment one：
Work as Pk＞ PkmaxWhen, whether the outdoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the outdoor fan rotating speed is then risen to highest, by the pressure at expulsion PkIt is limited in corresponding preset Range；
If so, in Pk＞ PkmaxWhen continuing third preset duration, triggering exhaust alarm for high voltage prompts and controls compressor to stop Machine, or in Pk＞ PkmaxWhen not continuing third preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the third preset duration ＜.
In the present embodiment, work as Pk＞ PkmaxWhen, judgement current exhaust pressure is excessively high, may be caused by outdoor temperature is excessively high, It may also be caused by outdoor fan failure, thus whether the outdoor fan rotating speed that can detect air-cooled unit is maximum speed.When When current outdoor rotation speed of fan does not rise to maximum speed, the outdoor fan rotating speed is risen into highest, with by improving condenser Condensation rate reduce pressure at expulsion, by the pressure at expulsion PkIt is limited in corresponding presetting range.When current outdoor wind turbine turns When speed rises to highest, further judge whether the duration of current exhaust pressure is less than third preset duration；If it is not, then triggering Exhaust alarm for high voltage prompts and controls compressor shutdown, to avoid compressor longtime running except normal operation pressure limit, Improve service life and the running stability of compressor；If so, carrying out pressure value judgement again after being spaced the second preset duration.Institute It is 30 seconds~90 seconds, preferably 60 seconds to state third preset duration.
With reference to embodiment two：
Work as Pk＜ PkminWhen, whether the outdoor fan rotating speed for detecting air-cooled unit is down to 0；
If it is not, the outdoor fan rotating speed is then down to 0, by the pressure at expulsion PkIt is limited in corresponding preset model It encloses；
If so, in Pk＜ PkminWhen continuing four preset durations, triggering exhaust low pressure alarming prompts and controls compressor to stop Machine, or in Pk＜ PkminWhen not continuing four preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 4th preset duration ＜.
In the present embodiment, work as Pk＜ PkminWhen, judgement current exhaust pressure is too low, may be caused by outdoor temperature is too low, It may also be caused by outdoor fan failure, thus whether the outdoor fan rotating speed that can detect air-cooled unit is 0.Work as current outdoor When rotation speed of fan is more than 0, the outdoor fan rotating speed is down to 0, to improve exhaust pressure by the condensation rate for reducing condenser Power, by the pressure at expulsion PkIt is limited in corresponding presetting range.When current outdoor rotation speed of fan is down to 0, further judge Whether the duration of current exhaust pressure is less than the 4th preset duration；It prompts and controls if it is not, then triggering exhaust low pressure alarming Compressor shutdown improves service life and the operation of compressor to avoid compressor longtime running except normal operation pressure limit Stationarity；If so, carrying out pressure value judgement again after being spaced the second preset duration.4th preset duration be 30 seconds~ 90 seconds, preferably 60 seconds.
With reference to embodiment three：
Work as Po＜ PominWhen, whether the indoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the indoor fan rotating speed is then risen to highest, by the pressure of inspiration(Pi) PoIt is limited in corresponding preset Range；
If so, in Po＜ PominWhen continuing five preset durations, triggering air-breathing low pressure alarming prompts and controls compressor to stop Machine, or in Po＜ PominWhen not continuing five preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
In the present embodiment, work as Po＜ PominWhen, judge that current pressure of inspiration(Pi) is too low, may be caused by indoor temperature is too low, It may also be caused by indoor fan failure, thus whether the indoor fan rotating speed that can detect air-cooled unit reaches highest.When working as When preceding outdoor fan rotating speed is not up to highest, the outdoor fan rotating speed is risen into highest, to pass through the evaporation for improving evaporator Speed improves pressure of inspiration(Pi), by the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range.When current outdoor rotation speed of fan reaches When highest, further judge whether the duration of current pressure of inspiration(Pi) is less than the 5th preset duration；If it is not, it is low then to trigger air-breathing Pressure alarm simultaneously controls compressor shutdown, to avoid compressor longtime running except normal operation pressure limit, improves pressure The service life of contracting machine and running stability；If so, carrying out pressure value judgement again after being spaced the second preset duration.Described 5th Preset duration is 30 seconds~90 seconds, preferably 60 seconds.
With reference to example IV：
Work as Po＞ PomaxWhen, whether the indoor fan rotating speed for detecting air-cooled unit is down to speed limit threshold value；
If it is not, the indoor fan rotating speed is then down to speed limit threshold value, by the pressure of inspiration(Pi) PoIt is limited in corresponding Presetting range；
If so, in Po＞ PomaxWhen continuing six preset durations, triggering air-breathing alarm for high voltage prompts and controls compressor to stop Machine, or in Po＞ PomaxWhen not continuing six preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) Po's Step；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
In the present embodiment, work as Po＞ PomaxWhen, judge that current pressure of inspiration(Pi) is excessively high, may be caused by indoor temperature is excessively high, The indoor fan rotating speed that may also be caused by indoor fan failure, thus air-cooled unit can be detected whether reach minimum speed or Into limit raising frequency.When current outdoor rotation speed of fan is not up to minimum speed, by the indoor fan rotating speed minimize or into Enter to limit raising frequency, to reduce pressure of inspiration(Pi) by the evaporation rate for reducing evaporator, by the pressure of inspiration(Pi) PoIt is limited in corresponding Presetting range.When current outdoor rotation speed of fan minimizes or air-cooled unit enters limit raising frequency, current air-breathing is further judged Whether the duration of pressure is less than the 6th preset duration；It prompts and controls compressor to stop if it is not, then triggering air-breathing alarm for high voltage Machine improves service life and the running stability of compressor to avoid compressor longtime running except normal operation pressure limit；If It is then to carry out pressure value judgement again after being spaced the second preset duration.6th preset duration is 30 seconds~90 seconds, preferably 60 seconds.
With reference to embodiment five：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When second function region, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed rises to highest；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter rising to highest, by outdoor fan rotating speed with pre- If rotating speed △ RoutHighest is risen to, the pressure coordinates point is limited in corresponding first function region；
If so, when the pressure coordinates point is in seven preset duration of second function regional sustained, triggering compression Than excessively high alarm and compressor shutdown is controlled, or does not continue the 7th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 7th preset duration ＜.
In the present embodiment, with further reference to Fig. 4, as the pressure at expulsion P detectedkWith pressure of inspiration(Pi) PoCorresponding pressure Coordinate points (Pk, Po) when being located at second function region 2, namely pressure at expulsion P at this timekWith pressure of inspiration(Pi) PoCorresponding function y= F (x) meets：Y ＞ f1(x)、Pkmin≤y≤Pkmax、Pomin≤x≤Pomax.At this point, judgement pressure at expulsion is excessively high, pressure of inspiration(Pi) mistake It is low, it may be caused due to indoor and outdoor fan trouble, it is also possible to cause since indoor temperature is too low, but due to the master of air-cooled unit Syllabus be manufacture low temperature environment indoors, thus can detect air-cooled unit indoor fan rotating speed rise to highest when, into Whether one step detection outdoor fan rotating speed rises to highest.When indoor fan rotating speed does not rise to highest, by preset rotation speed △ RinIt rises It to highest, and is spaced the second preset duration and carries out pressure detecting and judgement again, adjust rotating speed with 4%~7%, preferably 5%；When When indoor fan rotating speed rises to highest, whether detection outdoor fan rotating speed rises to highest, when outdoor fan rotating speed does not rise to highest When, with preset rotation speed △ RoutHighest is risen to, and is spaced the second preset duration and carries out pressure detecting and judgement again, adjusts rotating speed With 4%~7%, preferably 5%, the pressure coordinates point is limited in corresponding first function region.
When outdoor fan rotating speed has risen to highest, further current exhaust pressure P is judgedkWith pressure of inspiration(Pi) PoIt is corresponding Pressure coordinates point whether continue the 7th preset duration in the second function region, if it is not, then triggering the excessively high alarm of compression ratio Compressor shutdown is prompted and controlled, to avoid compressor longtime running except normal operation pressure limit, improves compressor Service life and running stability；If so, carrying out pressure value judgement again after being spaced the second preset duration.It is described 7th it is default when A length of 2min~5min, preferably 3min.
With further reference to embodiment five, when the outdoor fan rotating speed for detecting air-cooled unit rises to highest, detection is air-cooled Whether the aperture of the restricting element of unit reaches suction superheat limit value；
If it is not, then adjust the aperture of the restricting element to suction superheat limit value with default aperture △ B, it will be described Pressure coordinates point is limited in corresponding first function region；
If so, the duration according to the pressure coordinates point in second function region, triggers the excessively high alarm of compression ratio Compressor shutdown is prompted and controlled, or executes the pressure at expulsion P of detection air-cooled unitkWith pressure of inspiration(Pi) PoThe step of.
In the present embodiment, when air-cooled unit is installed with the restricting elements such as electric expansion valve, electronics can also be utilized swollen The aperture of swollen valve realizes the pressure at expulsion P of air-cooled unitkWith pressure of inspiration(Pi) PoIt adjusts, but must rotation speed of fan and outdoor indoors When rotation speed of fan rises to maximum speed, whether the aperture for detecting the restricting element of air-cooled unit is opened to suction superheat limit value. When the aperture of electric expansion valve is not up to suction superheat limit value, with default aperture △ B to by the aperture of electric expansion valve to Suction superheat limit value is adjusted, and step number is adjusted by taking 8P as an example, by pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point It is limited in corresponding first function region；When the aperture of electric expansion valve reaches suction superheat limit value, as described above into one Step judges current exhaust pressure PkWith pressure of inspiration(Pi) PoWhether corresponding pressure coordinates point continues the 7th in the second function region Preset duration exists if it is not, then triggering the excessively high alarm of compression ratio and controlling compressor shutdown to avoid compressor longtime running Except normal operation pressure limit, service life and the running stability of compressor are improved；If so, after being spaced the second preset duration Pressure value judgement is carried out again.7th preset duration is 2min~5min, preferably 3min.
With reference to embodiment six：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When third function area, whether the outdoor fan rotating speed for detecting air-cooled unit successively rises to highest, indoor fan rotating speed drop To speed limit threshold value；
If it is not, then by outdoor fan rotating speed with preset rotation speed △ RoutAfter rising to maximum (top) speed, by the indoor fan rotating speed With preset rotation speed △ RinIt is down to anti-freeze limit value, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the third function area continues eight preset durations, triggering compression Compressor shutdown is prompted and controlled than abnormal alarm, or does not continue the 8th in the third function area in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 8th preset duration ＜.
In the present embodiment, with further reference to Fig. 4, as the pressure at expulsion P detectedkWith pressure of inspiration(Pi) PoCorresponding pressure Coordinate points (Pk, Po) when being located at third function area 3, namely pressure at expulsion P at this timekWith pressure of inspiration(Pi) PoCorresponding function y= F (x) meets：Y ＞ f2(x)、Pkmin≤y≤Pkmax、Pomin≤x≤Pomax.At this point, judgement pressure at expulsion is excessively high, pressure of inspiration(Pi) mistake Height may be caused due to indoor and outdoor fan trouble, it is also possible to causes since indoor temperature is excessively high, but due to the master of air-cooled unit Syllabus be manufacture low temperature environment indoors, thus can detect air-cooled unit outdoor fan rotating speed rise to highest when, into Whether one step detection indoor fan rotating speed is down to anti-freeze limit value.When outdoor fan rotating speed does not rise to highest, by preset rotation speed △RoutHighest is risen to, and is spaced the second preset duration and carries out pressure detecting and judgement again, adjusting rotating speed is excellent with 4%~7% Select 5%；When outdoor fan rotating speed rises to highest, whether detection indoor fan rotating speed is down to anti-freeze limit value, works as indoor fan When rotating speed does not drop to anti-freeze limit value, with preset rotation speed △ RinBe down to anti-freeze limit value, and be spaced the second preset duration again into Row pressure detecting and judgement, adjust rotating speed with 4%~7%, preferably 5%, and the pressure coordinates point is limited in corresponding the One function area.
When indoor fan rotating speed is reduced to anti-freeze limit value, further current exhaust pressure P is judgedkWith pressure of inspiration(Pi) Po Whether corresponding pressure coordinates point continues the 8th preset duration in the third function area, if it is not, then triggering compression ratio exception Alarm simultaneously controls compressor shutdown, to avoid compressor longtime running except normal operation pressure limit, improves compression The service life of machine and running stability；If so, carrying out pressure value judgement again after being spaced the second preset duration.Described 8th is pre- If when a length of 2min~5min, preferably 3min.The anti-freeze limit value is the minimum air-breathing atmospheric pressure value pair when being applicable in different refrigerants The indoor fan rotating speed answered, such as when using R410A refrigerants, when pressure of inspiration(Pi) is less than 0.7MPa, indoor fan rotating speed cannot It is further continued for lowering.
With reference to embodiment seven：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at except the first function region When four function areas, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed is down to speed limit threshold value；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter being down to anti-freeze limit value, outdoor fan is turned Speed is with preset rotation speed △ RoutRotating speed is minimized, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the 4th function area continues nine preset durations, triggering compression Than too low alarm and compressor shutdown is controlled, or does not continue the 9th in the second function region in the pressure coordinates point When preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 9th preset duration ＜.
In the present embodiment, with further reference to Fig. 4, as the pressure at expulsion P detectedkWith pressure of inspiration(Pi) PoCorresponding pressure Coordinate points (Pk, Po) when being located at four function areas 4, namely pressure at expulsion P at this timekWith pressure of inspiration(Pi) PoCorresponding function y= F (x) meets：Y ＜ f3(x)、Pkmin≤y≤Pkmax、Pomin≤x≤Pomax.At this point, judgement pressure at expulsion is too low, pressure of inspiration(Pi) mistake Height may be caused due to indoor and outdoor fan trouble, it is also possible to causes since indoor temperature is excessively high, but due to the master of air-cooled unit Syllabus is to manufacture low temperature environment indoors, thus can be down to anti-freeze limit value in the indoor fan rotating speed of detection air-cooled unit When, further detect whether outdoor fan rotating speed minimizes.When indoor fan rotating speed does not drop to anti-freeze limit value, by default Rotating speed △ RinIt is down to anti-freeze limit value, and is spaced the second preset duration and carries out pressure detecting and judgement again, adjusts rotating speed with 4% ~7%, preferably 5%；When indoor fan rotating speed is down to anti-freeze limit value, whether detection outdoor fan rotating speed minimizes, when When outdoor fan rotating speed does not drop to minimum, with preset rotation speed △ RoutIt minimizes, and is spaced the second preset duration and is pressed again Power detects and judges, adjusts rotating speed with 4%~7%, preferably 5%, the pressure coordinates point is limited in corresponding first letter Number region.
When outdoor fan rotating speed is reduced to minimum, further current exhaust pressure P is judgedkWith pressure of inspiration(Pi) PoIt is corresponding Whether pressure coordinates point continues the 9th preset duration in the 4th function area, is carried if it is not, then triggering the too low alarm of compression ratio Show and control compressor shutdown, to avoid compressor longtime running except normal operation pressure limit, improves the longevity of compressor Life and running stability；If so, carrying out pressure value judgement again after being spaced the second preset duration.9th preset duration For 2min~5min, preferably 3min.
In addition, the embodiment of the present invention also proposes a kind of storage medium, and the storage medium storing control program, the control The step of control method of air-cooled unit as described above is realized when program is executed by processor.
Wherein, control program be performed realized method can refer to air-cooled unit of the present invention control method it is each Embodiment, details are not described herein again.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that process, method, article or system including a series of elements include not only those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone, Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (15)

1. a kind of control method of air-cooled unit, which is characterized in that the control method of the air-cooled unit includes the following steps：
After the first preset duration of compressor start, the pressure at expulsion P of air-cooled unit is detected at interval of the second preset durationkAnd suction Atmospheric pressure Po；
Judge the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhether corresponding presetting range is in；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion PkAnd institute State pressure of inspiration(Pi) PoIt is limited in corresponding presetting range；
Wherein, the second preset duration described in the first preset duration ＞.
2. control method according to claim 1, which is characterized in that described to judge the pressure at expulsion PkAnd pressure of inspiration(Pi) PoThe step of whether being in corresponding presetting range, including：
Judge the pressure at expulsion P according to preset compressor operating pressure limit figurekWith pressure of inspiration(Pi) PoWhether in corresponding Presetting range.
3. control method according to claim 2, which is characterized in that described according to preset compressor operating pressure limit Figure judges the pressure at expulsion PkWith pressure of inspiration(Pi) PoThe step of whether being in corresponding presetting range, including：
With the pressure of inspiration(Pi) P of air-cooled unitoFor x-axis, with the pressure at expulsion P of air-cooled unitkPlane coordinate system is built for y-axis；
First function region corresponding with preset compressor operating pressure limit figure is indicated in the plane coordinate system；
The pressure at expulsion P that will be detectedkWith pressure of inspiration(Pi) PoThe pressure coordinates point of the plane coordinate system is converted to, described in judgement Whether pressure coordinates point falls into the first function region.
4. control method according to claim 3, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range The step of, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoWhen corresponding pressure coordinates point is located at except first function region, wind is detected Whether the indoor fan rotating speed and/or outdoor fan rotating speed of cold group rise to highest or are down to speed limit threshold value；
If so, triggering alarm and controlling compressor shutdown, or execute the pressure at expulsion P of detection air-cooled unitkAnd pressure of inspiration(Pi) Power PoThe step of；
If it is not, the indoor fan rotating speed and/or outdoor fan rotating speed of air-cooled unit are then adjusted, by the pressure at expulsion PkAnd institute State pressure of inspiration(Pi) PoIt is limited in corresponding presetting range.
5. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range The step of, including：
Work as Pk＞ PkmaxWhen, whether the outdoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the outdoor fan rotating speed is then risen to highest, by the pressure at expulsion PkIt is limited in corresponding presetting range；
If so, in Pk＞ PkmaxWhen continuing third preset duration, triggering exhaust alarm for high voltage prompts and controls compressor shutdown, Or in Pk＞ PkmaxWhen not continuing third preset duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoStep Suddenly；
Wherein, the first preset duration described in the second preset duration ＜ described in the third preset duration ＜.
6. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
Work as Pk＜ PkminWhen, whether the outdoor fan rotating speed for detecting air-cooled unit is down to 0；
If it is not, the outdoor fan rotating speed is then down to 0, by the pressure at expulsion PkIt is limited in corresponding presetting range；
If so, in Pk＜ PkminWhen continuing four preset durations, triggering exhaust low pressure alarming prompts and controls compressor shutdown, Or in Pk＜ PkminWhen not continuing four preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoStep Suddenly；
Wherein, the first preset duration described in the second preset duration ＜ described in the 4th preset duration ＜.
7. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
Work as Po＜ PominWhen, whether the indoor fan rotating speed for detecting air-cooled unit rises to highest；
If it is not, the indoor fan rotating speed is then risen to highest, by the pressure of inspiration(Pi) PoIt is limited in corresponding presetting range；
If so, in Po＜ PominWhen continuing five preset durations, triggering air-breathing low pressure alarming prompts and controls compressor shutdown, Or in Po＜ PominWhen not continuing five preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoStep Suddenly；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
8. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
Work as Po＞ PomaxWhen, whether the indoor fan rotating speed for detecting air-cooled unit is down to speed limit threshold value；
If it is not, the indoor fan rotating speed is then down to speed limit threshold value, by the pressure of inspiration(Pi) PoIt is limited in corresponding preset model It encloses；
If so, in Po＞ PomaxWhen continuing six preset durations, triggering air-breathing alarm for high voltage prompts and controls compressor shutdown, Or in Po＞ PomaxWhen not continuing six preset durations, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoStep Suddenly；
Wherein, the first preset duration described in the second preset duration ＜ described in the 5th preset duration ＜.
9. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at second except the first function region When function area, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed rises to highest；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter rising to highest, outdoor fan rotating speed is turned with default Fast △ RoutHighest is risen to, the pressure coordinates point is limited in corresponding first function region；
If so, when the pressure coordinates point is in seven preset duration of second function regional sustained, compression ratio mistake is triggered High alarm simultaneously controls compressor shutdown, or does not continue the 7th in the second function region in the pressure coordinates point and preset When duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 7th preset duration ＜.
10. control method according to claim 9, which is characterized in that in the outdoor fan rotating speed for detecting air-cooled unit When rising to highest, whether the aperture for detecting the restricting element of air-cooled unit reaches suction superheat limit value；
If it is not, then the aperture of the restricting element is adjusted with default aperture △ B to suction superheat limit value, by the pressure Coordinate points are limited in corresponding first function region；
If so, the duration according to the pressure coordinates point in second function region, triggers the excessively high alarm of compression ratio And compressor shutdown is controlled, or execute the pressure at expulsion P of detection air-cooled unitkWith pressure of inspiration(Pi) PoThe step of.
11. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at the third except the first function region When function area, whether the outdoor fan rotating speed of detection air-cooled unit rises to highest successively, the indoor fan rotating speed is down to limit Fast threshold value；
If it is not, then by outdoor fan rotating speed with preset rotation speed △ RoutAfter rising to maximum (top) speed, by the indoor fan rotating speed with pre- If rotating speed △ RinIt is down to anti-freeze limit value, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the third function area continues eight preset durations, triggering compression ratio is different Normal alarm simultaneously controls compressor shutdown, or does not continue the 8th in the third function area in the pressure coordinates point and preset When duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 8th preset duration ＜.
12. control method according to claim 4, which is characterized in that described if it is not, then adjusting the indoor wind of air-cooled unit Machine rotating speed and/or outdoor fan rotating speed, by the pressure at expulsion PkWith the pressure of inspiration(Pi) PoIt is preset to be limited in corresponding first The step of range, including：
As the pressure at expulsion PkWith pressure of inspiration(Pi) PoCorresponding pressure coordinates point is located at the 4th except the first function region When function area, detects the indoor fan rotating speed of air-cooled unit successively and whether outdoor fan rotating speed is down to speed limit threshold value；
If it is not, then by the indoor fan rotating speed with preset rotation speed △ RinAfter being down to anti-freeze limit value, by outdoor fan rotating speed with Preset rotation speed △ RoutRotating speed is minimized, the pressure coordinates point is limited in corresponding first function region；
If so, in the pressure coordinates point when the 4th function area continues nine preset durations, compression ratio mistake is triggered Low alarm simultaneously controls compressor shutdown, or does not continue the 9th in the second function region in the pressure coordinates point and preset When duration, the pressure at expulsion P of detection air-cooled unit is executedkWith pressure of inspiration(Pi) PoThe step of；
Wherein, the first preset duration described in the second preset duration ＜ described in the 9th preset duration ＜.
13. control method according to claim 1, which is characterized in that as the pressure at expulsion P of air-cooled unitkAnd pressure of inspiration(Pi) PoWhen in corresponding presetting range, control air-cooled unit maintains current indoor and outdoor rotation speed of fan and/or restricting element aperture.
14. a kind of air-cooled unit, which is characterized in that the air-cooled unit includes memory, processor and is stored in the memory And the control program that can be run on the processor, such as claim is realized when the control program is executed by the processor The step of control method of 1 to 13 any one of them air-cooled unit.
15. a kind of storage medium, which is characterized in that the storage medium storing control program, the control program is by processor The step of control method such as claim 1 to 13 any one of them air-cooled unit is realized when execution.
CN201810126304.0A 2018-02-07 2018-02-07 Control method of air cooling unit, air cooling unit and storage medium Active CN108344115B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110006140A (en) * 2019-03-04 2019-07-12 青岛海尔空调电子有限公司 Control method and air-cooled magnetic suspension unit for air-cooled magnetic suspension unit
CN110017590A (en) * 2019-04-08 2019-07-16 珠海格力电器股份有限公司 Low-pressure control method and device for cold and hot water unit, heat pump system and storage medium
CN110285601A (en) * 2019-06-13 2019-09-27 科希曼电器有限公司 For cascade type heat pump pressure monitor system
CN110410944A (en) * 2019-07-23 2019-11-05 宁波奥克斯电气股份有限公司 A kind of compress control method of air conditioner, control device and air conditioner
CN110500699A (en) * 2019-08-19 2019-11-26 珠海格力电器股份有限公司 Air conditioner shutdown protection method and device, air conditioner controller, air conditioner and storage medium
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CN112594885A (en) * 2019-04-19 2021-04-02 青岛海尔空调器有限总公司 Air conditioner and control method thereof
CN114294807A (en) * 2022-01-11 2022-04-08 珠海格力电器股份有限公司 Air conditioning unit, storage medium and control method of air conditioning unit
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1253238A (en) * 1998-11-04 2000-05-17 Lg电子株式会社 Installation and method for controlling linear compressor
CN1607361A (en) * 2003-10-16 2005-04-20 Lg电子株式会社 Method for controlling air conditioner
CN104697106A (en) * 2013-12-09 2015-06-10 珠海格力电器股份有限公司 Pressure control method of air conditioning system
WO2015132843A1 (en) * 2014-03-03 2015-09-11 日立アプライアンス株式会社 Air conditioner
JP2016061552A (en) * 2014-09-22 2016-04-25 三菱電機株式会社 Air conditioner
CN107062564A (en) * 2017-06-13 2017-08-18 广东美的暖通设备有限公司 Control method, air conditioner and the storage medium of air conditioner
CN107062563A (en) * 2017-06-06 2017-08-18 青岛海尔空调电子有限公司 The control method and air-conditioning of air-conditioning air-cooled unit
CN107131614A (en) * 2017-06-06 2017-09-05 青岛海尔空调电子有限公司 The control method and air-conditioning of air-conditioning air-cooled unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1253238A (en) * 1998-11-04 2000-05-17 Lg电子株式会社 Installation and method for controlling linear compressor
CN1607361A (en) * 2003-10-16 2005-04-20 Lg电子株式会社 Method for controlling air conditioner
CN104697106A (en) * 2013-12-09 2015-06-10 珠海格力电器股份有限公司 Pressure control method of air conditioning system
WO2015132843A1 (en) * 2014-03-03 2015-09-11 日立アプライアンス株式会社 Air conditioner
JP2016061552A (en) * 2014-09-22 2016-04-25 三菱電機株式会社 Air conditioner
CN107062563A (en) * 2017-06-06 2017-08-18 青岛海尔空调电子有限公司 The control method and air-conditioning of air-conditioning air-cooled unit
CN107131614A (en) * 2017-06-06 2017-09-05 青岛海尔空调电子有限公司 The control method and air-conditioning of air-conditioning air-cooled unit
CN107062564A (en) * 2017-06-13 2017-08-18 广东美的暖通设备有限公司 Control method, air conditioner and the storage medium of air conditioner

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110006140A (en) * 2019-03-04 2019-07-12 青岛海尔空调电子有限公司 Control method and air-cooled magnetic suspension unit for air-cooled magnetic suspension unit
CN111750481A (en) * 2019-03-27 2020-10-09 日立江森自控空调有限公司 Air conditioner control method and air conditioner system
CN110017590B (en) * 2019-04-08 2020-02-28 珠海格力电器股份有限公司 Low-pressure control method and device for cold and hot water unit, heat pump system and storage medium
CN110017590A (en) * 2019-04-08 2019-07-16 珠海格力电器股份有限公司 Low-pressure control method and device for cold and hot water unit, heat pump system and storage medium
CN112594885B (en) * 2019-04-19 2022-09-06 青岛海尔空调器有限总公司 Air conditioner and control method thereof
CN112594885A (en) * 2019-04-19 2021-04-02 青岛海尔空调器有限总公司 Air conditioner and control method thereof
CN110285601A (en) * 2019-06-13 2019-09-27 科希曼电器有限公司 For cascade type heat pump pressure monitor system
CN110410944A (en) * 2019-07-23 2019-11-05 宁波奥克斯电气股份有限公司 A kind of compress control method of air conditioner, control device and air conditioner
CN110410944B (en) * 2019-07-23 2021-08-20 宁波奥克斯电气股份有限公司 Pressure control method and device of air conditioner and air conditioner
CN110500699B (en) * 2019-08-19 2021-01-05 珠海格力电器股份有限公司 Air conditioner shutdown protection method and device, air conditioner controller, air conditioner and storage medium
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