CN115597216A - Air conditioner refrigeration control method and device and air conditioner - Google Patents
Air conditioner refrigeration control method and device and air conditioner Download PDFInfo
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- CN115597216A CN115597216A CN202211179537.XA CN202211179537A CN115597216A CN 115597216 A CN115597216 A CN 115597216A CN 202211179537 A CN202211179537 A CN 202211179537A CN 115597216 A CN115597216 A CN 115597216A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004378 air conditioning Methods 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 22
- 230000001276 controlling effect Effects 0.000 description 20
- 238000001816 cooling Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
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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
- F24F11/70—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
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- 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
Abstract
The invention provides an air conditioner refrigeration control method, an air conditioner refrigeration control device and an air conditioner. The control method comprises the following steps: when the air conditioner operates in a refrigerating mode, the outdoor environment temperature value T is obtained Outer ring And a compressor running time t; according to outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition; if yes, according to outdoor environment temperature value T Outer ring Determining the running frequency F of the compressor; judging whether the air conditioner meets the rotating speed regulation condition of the outdoor fan or not according to the running frequency F of the compressor; if yes, adjusting the rotating speed of the outdoor fan. The invention can solve the technical problem of poor refrigeration effect of the air conditioner during high-temperature refrigeration.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner refrigeration control method, an air conditioner refrigeration control device and an air conditioner.
Background
With the improvement of living standard and the continuous development of economy, people pursue high-quality life more and more, the purchase quantity of air conditioners is gradually improved, and besides the basic refrigerating and heating functions of the air conditioners, the comfort of the air conditioners is more and more concerned, such as high-temperature refrigerating capacity.
In a high-temperature refrigeration mode, in order to ensure the refrigeration efficiency of an air conditioner, the operating frequency of a compressor is generally set to be higher, and the heat exchange efficiency of an air conditioner is poor due to the influence of installation conditions (for example, a protective shutter is arranged on an outer cover of the air conditioner) on the heat exchange efficiency of an outer machine of the air conditioner; meanwhile, the situation of high-temperature protection shutdown is very easy to occur due to too high running frequency of the compressor, but if the running frequency of the compressor is too low, the refrigeration efficiency of the air conditioner is limited, and the user experience is finally influenced.
Disclosure of Invention
The invention can solve the technical problem of poor refrigeration effect of the air conditioner during high-temperature refrigeration.
In order to solve the above problem, an embodiment of the present invention provides an air conditioner refrigeration control method, where the control method includes: when the air conditioner operates in a refrigerating mode, the outdoor environment temperature value T is obtained Outer ring And a compressor run time t; according to outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition; if yes, according to outdoor environment temperature value T Outer ring Determining the running frequency F of the compressor; judging whether the air conditioner meets the rotating speed adjusting condition of the outdoor fan or not according to the running frequency F of the compressor; if so, adjusting the rotating speed of the outdoor fan.
Compared with the prior artCompared with the prior art, the technical scheme has the following technical effects: by comparing outdoor ambient temperature value T Outer ring The running time t of the compressor is detected, and whether the air conditioner runs in a high-temperature state or not can be judged; and then through adjusting compressor operating frequency F and outdoor fan rotational speed, improve the heat exchange efficiency of off-premises station under the high temperature refrigeration mode, also guaranteed the refrigeration efficiency of air conditioner simultaneously, further promotion user experience.
Further, in an embodiment of the present invention, the determining whether the air conditioner satisfies the high temperature cooling condition includes: temperature value T of outdoor environment Outer ring Not less than a first preset temperature value T 1 And the running time t of the compressor is more than or equal to the preset time t 0 Meanwhile, the air conditioner meets the high-temperature refrigeration condition.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: by comparing outdoor ambient temperature value T Outer ring And the running time T and the first preset temperature value T of the compressor 1 And a preset time t 0 The comparison of the sizes of the air conditioner and the air conditioner can judge that the air conditioner meets the requirement of high-temperature refrigeration, and further the purpose of adjusting the running frequency F of the compressor is achieved.
Further, in one embodiment of the present invention, the outdoor ambient temperature value T Outer ring The compressor operating frequency F is determined by a temperature frequency curve in a linear relationship with the compressor operating frequency F.
Compared with the prior art, the technical scheme has the following technical effects: after the temperature frequency curve is set, the running frequency F of the compressor can be accurately adjusted, meanwhile, the purpose of quickly reducing the frequency is achieved according to the temperature frequency curve, and the problem of fault locking caused by multiple protection shutdown can be further solved.
Further, in one embodiment of the present invention, the determining the compressor operation frequency F by the temperature frequency curve includes: at a first preset temperature value T 1 Temperature T less than or equal to outdoor environment temperature value Outer ring Not more than second preset temperature value T 2 While controlling the compressor to operate at a first operating frequency F 1 Running; and/or at a second preset temperature value T 2 < outdoor ambient temperature value T Outer ring Not more than third preset temperature value T 3 While controlling the compressor to operate at a second operating frequency F 2 Running; and/or at a third preset temperature value T 3 < outdoor ambient temperature value T Outer ring Not more than fourth preset temperature value T 4 At a third operating frequency F 3 Running; and/or at a fourth preset temperature value T 4 < outdoor ambient temperature value T Outer ring At the lowest operating frequency F min Running; wherein the first operating frequency F 1 A second operating frequency F 2 A third operating frequency F 3 And a fourth operating frequency F 4 Satisfies the following conditions: f 1 ＞F 2 ＞F 3 ＞F 4 。
Compared with the prior art, the technical scheme has the following technical effects: after the air conditioner meets the high-temperature refrigeration condition, the temperature value T of the outdoor environment can be used Outer ring Determines the magnitude of the compressor operating frequency F; and at outdoor ambient temperature value T Outer ring Is realized according to a temperature frequency curve in the process of determining the operating frequency F of the compressor, and the outdoor environment temperature value T Outer ring The frequency of the compressor is in a linear relation with the running frequency F of the compressor; under the conditions that the temperature of the outer ring is high but the heat exchange condition is not good, after the operating frequency F of the compressor is adjusted according to the temperature frequency curve, the condition that the pressure, the temperature or the current of the air conditioning system are too high is avoided, and the protection of the air conditioning system is realized.
Further, in an embodiment of the present invention, the determining whether the outdoor fan speed adjustment condition is satisfied according to the compressor operating frequency F includes: at a first operating frequency F of the compressor 1 When the air conditioner is in operation, the air conditioner does not meet the rotating speed regulation condition of the outdoor fan, and the outdoor fan is controlled to rotate at the current rotating speed n at the moment 0 Continuing to operate; and/or at a second operating frequency F of the compressor 2 A third operating frequency F 3 And a minimum operating frequency F min When the air conditioner is operated, the air conditioner meets the rotating speed adjusting condition of the outdoor fan, and meanwhile, the rotating speed of the outdoor fan is adjusted.
Compared with the prior art, the technical scheme has the following technical effects: when the air conditioner compressor is in the first operating frequency F 1 When the air conditioner runs, the running state of the current air conditioner is normal, the refrigerating effect of the air conditioner in the current running state is better, and therefore the rotating speed of the outdoor fan can not be adjusted; conversely, if the air conditioner is operating at the second operating frequency F 2 A third operating frequency F 3 And a minimum operating frequency F min When the air conditioner runs, the running frequency F of the compressor is relatively low, the refrigerating effect of the air conditioner is not good enough, and the rotating speed of the outdoor fan needs to be adjusted at the moment in order to guarantee the refrigerating effect of the air conditioner.
Further, in an embodiment of the present invention, the adjusting the rotation speed of the outdoor fan includes: at a second operating frequency F of the compressor 2 When the outdoor fan runs, the outdoor fan is controlled to rotate at a first speed n 1 Running; and/or at a third operating frequency F of the compressor 3 When the outdoor fan runs, the outdoor fan is controlled to rotate at a second rotating speed n 2 Operating and/or, at the lowest operating frequency F of the compressor min When the outdoor fan runs, the outdoor fan is controlled to rotate at a third rotating speed n 3 Running; wherein the current rotation speed n 0 First speed of rotation n 1 A second rotation speed n 2 And a third rotational speed n 3 Satisfies the following conditions: n is 0 ＜n 1 ＜n 2 ≤n 3 。
Compared with the prior art, the technical scheme has the following technical effects: the air conditioner is adjusted by the mode of combining the reduction of the running frequency F of the compressor and the improvement of the rotating speed of the outdoor fan, so that the phenomenon that the air conditioner is frequently protected and shut down when the running frequency of the compressor is high is avoided, and meanwhile, the normal refrigeration efficiency of the air conditioner is ensured.
Further, in one embodiment of the present invention, the temperature frequency curve comprises: a first temperature frequency curve, a second temperature frequency curve, and a third temperature frequency; the control method further comprises the following steps: when the air conditioner normally operates for refrigeration, the compressor operation frequency F operates according to a first temperature frequency curve; and/or when the compressor running frequency runs according to the first temperature frequency curve and the air conditioner protection is triggered, controlling the compressor running frequency F to be reduced, and simultaneously, controlling the compressor running frequency F to run according to the second temperature frequency curve; and/or when the compressor operation frequency F operates according to the second temperature frequency curve and the air conditioner protection is triggered, controlling the compressor operation frequency F to be reduced, and simultaneously, operating the compressor operation frequency F according to the third temperature frequency curve.
Compared with the prior art, the technical scheme has the following technical effects: in the temperature frequency curve, the outdoor ambient temperature value T Outer ring A constant, same outdoor ambient temperature value T Outer ring Then, the corresponding compressor operating frequencies F under the first temperature frequency curve, the second temperature frequency curve and the third temperature frequency operating curve are sequentially reduced; when the air conditioner is controlled to move from the first temperature frequency curve to the second temperature frequency curve and from the second temperature frequency curve to the third temperature frequency curve, the operation frequency F of the compressor is adjusted to be reduced; by adjusting the operation frequency of the compressor among the three temperature frequencies, the purpose of accurately controlling the operation frequency F of the compressor is achieved, and the refrigeration efficiency of the air conditioner is further improved.
Further, in an embodiment of the present invention, the compressor operation frequency F is operated according to a first temperature frequency curve, and the number of times of triggering the air conditioner protection reaches a first preset number of times N 1 When the temperature is higher than the first temperature, controlling the running frequency F of the compressor to run according to a second temperature frequency curve; the compressor operates according to the first temperature frequency curve at the operating frequency F, and the number of times of triggering the air conditioner protection reaches a second preset number of times N 2 And controlling the compressor to operate according to the third temperature frequency curve.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: when the operation frequency F of the air conditioner compressor is in the first temperature frequency curve, the operation frequency F of the air conditioner compressor operates according to the first temperature frequency curve, and the number of times of triggering the air conditioner protection reaches a first preset number of times N 1 When the temperature is higher than the first temperature frequency curve, controlling the running frequency F of the compressor to run according to the second temperature frequency curve; the operation frequency F of the compressor is operated according to the first temperature frequency curve, and the number of times of triggering the air conditioner protection reaches a second preset number of times N 2 Time, controlAnd the compressor operating frequency F is operated according to the third temperature frequency curve.
Further, an embodiment of the present invention further provides an air conditioner control device, where the control device includes: an acquisition module for acquiring outdoor environment temperature value T when the air conditioner operates in refrigeration Outer ring And a compressor run time t; a judging module for judging the outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition; judging whether the rotating speed regulation condition of the outdoor fan is met or not according to the running frequency F of the compressor; a determining module for determining the temperature T according to outdoor environment when the air conditioner satisfies high temperature refrigeration condition Outer ring Determining the running frequency F of the compressor; and the adjusting module is used for adjusting the rotating speed of the outdoor fan when the air conditioner meets the rotating speed adjusting condition of the outdoor fan.
Compared with the prior art, the technical scheme has the following technical effects: when the air conditioner control device executes the air conditioner refrigeration control method in the above embodiment, all technical features and all beneficial effects of the control method in the above embodiment are provided, and details are not repeated here.
Further, an embodiment of the present invention further provides an air conditioner, where the air conditioner includes a computer readable storage medium storing a computer program and a processor, and when the computer program is read by the processor, the air conditioner refrigeration control method in the foregoing embodiment is implemented.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: after the air conditioner is provided with the air conditioner refrigeration control method in the foregoing embodiment or the control method in the foregoing embodiment is implemented, the air conditioner has all technical features and all beneficial effects of the energy saving system and the control method in the foregoing embodiment, which are not described in detail herein. .
In summary, after the technical scheme of the invention is adopted, the following technical effects can be achieved:
i) By comparing outdoor ambient temperature value T Outer ring The running time t of the compressor is detected, so that whether the air conditioner runs in a high-temperature state or not can be judged; intoThe running frequency F of the compressor and the rotating speed of the outdoor fan are adjusted, so that the heat exchange efficiency of the outdoor unit in a high-temperature refrigeration mode is improved, the refrigeration efficiency of the air conditioner is ensured, and the user experience is further improved;
ii) after the air conditioner meets the high-temperature refrigeration condition, the air conditioner can further pass through the outdoor environment temperature value T Outer ring Determines the magnitude of the compressor operating frequency F; and at outdoor ambient temperature value T Outer ring Is realized according to a temperature frequency curve, and the outdoor environment temperature value T Outer ring The frequency of the compressor is in a linear relation with the running frequency F of the compressor; under the conditions that the temperature of the outer ring is high but the heat exchange condition is poor, the operating frequency F of the compressor is adjusted according to the temperature frequency curve, the conditions that the pressure, the temperature or the current of the air conditioning system are overhigh are avoided, and the protection of the air conditioning system is realized;
iii) When the air conditioner compressor is in the first operating frequency F 1 When the air conditioner runs, the running state of the current air conditioner is normal, the refrigerating effect of the air conditioner in the current running state is better, and therefore the rotating speed of the outdoor fan can not be adjusted; conversely, if the air conditioner is operating at the second operating frequency F 2 A third operating frequency F 3 And a minimum operating frequency F min When the air conditioner runs, the running frequency F of the compressor is relatively low, which indicates that the refrigeration effect of the air conditioner is not good enough, and the rotating speed of the outdoor fan needs to be adjusted at the moment to ensure the refrigeration effect of the air conditioner;
iv) in the temperature frequency curve, the outdoor ambient temperature value T Outer ring A constant, same outdoor ambient temperature value T Outer ring Then, the corresponding compressor operating frequencies F under the first temperature frequency curve, the second temperature frequency curve and the third temperature frequency operating curve are sequentially reduced; when the air conditioner is controlled from the first temperature frequency curve to the second temperature frequency curve and from the second temperature frequency curve to the third temperature frequency curve, the running frequency F of the compressor is adjusted to be reduced; the purpose of accurately controlling the running frequency F of the compressor is realized by adjusting the running frequency of the compressor among the three temperature frequencies, and furtherThe refrigeration efficiency of the air conditioner is improved.
Description of the drawings:
fig. 1 is a schematic diagram of an air conditioner refrigeration control method according to a first embodiment of the present invention.
Fig. 2 is a flow chart of the air conditioner refrigeration control method according to the present invention.
FIG. 3 is the outdoor ambient temperature T Outer ring Temperature frequency degree curve with compressor operating frequency F.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1 to 3, a first embodiment of the present invention provides an air conditioner cooling control method, in which an outdoor ambient temperature value T is obtained during an air conditioner cooling operation in an embodiment of the present invention Outer ring And the running environment of the air conditioner can be judged according to the running time t of the compressor, and then the running frequency F of the compressor and the rotating speed of the outdoor fan are regulated, so that the aim of improving the refrigeration efficiency of the air conditioner is finally fulfilled.
Specifically, the control method comprises the following steps:
s10: when the air conditioner operates in a refrigerating mode, the outdoor environment temperature value T is obtained Outer ring And a compressor running time t;
s20: according to outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition;
s30: if yes, according to outdoor environment temperature value T Outer ring Determining the running frequency F of the compressor;
s40: judging whether the rotating speed regulation condition of the outdoor fan is met or not according to the running frequency F of the compressor;
s50: if so, adjusting the rotating speed of the outdoor fan.
Preferably, in S10 and S20, the outdoor environment temperature value T is adjusted Outer ring And detection of compressor running time t, and can judge air conditionerWhether to operate at a high temperature; if the air conditioner does not operate in a high-temperature environment, the air conditioner does not need to be adjusted, and if the air conditioner operates in a high-temperature environment, the air conditioner needs to be adjusted.
In addition, the cooling operation of the air conditioner in S10 means that: after the air conditioner operates for a period of time in a refrigerating mode, the compressor stops operating and is restarted again; while obtaining outdoor ambient temperature value T in S10 Outer ring And the compressor run time t means: the magnitude of the external ambient temperature and the length of the compressor operating time after the air conditioner is restarted.
Further, S20 includes:
s21: temperature value T of outdoor environment Outer ring Not less than a first preset temperature value T 1 And when the running time t of the compressor is more than or equal to the preset time t0, the air conditioner meets the high-temperature refrigeration condition.
Specifically, in S21, the outdoor environment temperature value T is obtained Outer ring And the magnitude of the running time T of the compressor and a first preset temperature value T 1 And a preset time t 0 The size of the air conditioner can be judged to meet the requirement of high-temperature refrigeration; wherein, the first preset temperature value T 1 Satisfies the following conditions: t is 1 ∈[42.5℃，43.5℃]Wherein, T 1 The temperature can be 42.5 ℃, 43 ℃ and 43.5 ℃; wherein, T 1 The temperature can be 42 ℃, 43 ℃ and 44 ℃; preset time t 0 Satisfies the following conditions: t is t 0 ∈[5min，10min]Wherein t0 can be selected from 5min, 6min, 7min, 8min, 9min and 10min: for example, the first preset temperature value T 1 Selecting the temperature of 43 ℃ and presetting the time t 0 Selecting for 8min; when outdoor environment temperature value T Outer ring And the running time t and the preset time t of the compressor 0 Satisfies the following conditions: t is Outer ring And when the temperature is more than or equal to 43 ℃ and t is more than or equal to 8min, the air conditioner meets the high-temperature refrigeration condition, and the normal refrigeration efficiency of the indoor unit of the air conditioner can be ensured by adjusting the air conditioner at the moment.
Preferably, in S30, after the air conditioner satisfies the high temperature cooling condition, the outdoor ambient temperature value T can be passed Outer ring Is determined to be greater than the compressor operating frequency FSmall; and at outdoor ambient temperature value T Outer ring Is realized according to a temperature frequency curve (as shown in fig. 3), and the outdoor ambient temperature value T in fig. 3 Outer ring In a linear relationship with the compressor operating frequency F, specifically, S30 includes:
s311: at a first preset temperature value T 1 Temperature T less than or equal to outdoor environment temperature value Outer ring Not more than second preset temperature value T 2 While controlling the compressor to operate at a first operating frequency F 1 Running;
s312: at a second preset temperature value T 2 < outdoor ambient temperature value T Outer ring Not more than third preset temperature value T 3 While controlling the compressor to operate at the second operating frequency F 2 Running;
s313: at a third preset temperature value T 3 < outdoor ambient temperature value T Outer ring Not more than fourth preset temperature value T 4 At a third operating frequency F 3 Running;
s314: at a fourth preset temperature value T 4 < outdoor ambient temperature value T Outer ring At the lowest operating frequency F min Running;
wherein, in S31-S34, the first preset temperature value T 1 Satisfies the following conditions: t is 1 ∈[42.5℃，43.5℃]Wherein, T 1 The temperature can be 42.5 ℃, 43 ℃ and 43.5 ℃; a second preset temperature value T 2 Satisfies the following conditions: t is 2 ∈[43.5℃，44.5℃]Wherein, T 2 The temperature can be 43.5 ℃, 44 ℃ and 44.5 ℃; a third preset temperature value T 3 Satisfies the following conditions: t is 3 ∈[44.5℃，45.5℃]Wherein, T 3 The temperature can be selected from 44.5 ℃, 45 ℃ and 45.5 ℃; fourth preset temperature value T 4 Satisfies the following conditions: t is 4 ∈[45.5℃，46.5℃]Wherein, T 4 The temperature can be selected from 45.5 ℃, 46 ℃ and 46.5 ℃; and a first preset temperature value T 1 A second preset temperature value T 2 A third preset temperature value T 3 And a fourth preset temperature value T 4 Satisfies the following conditions: t is a unit of 1 ＜T 2 ＜T 3 ＜T 4 。
Further, in S30, when the compressor operation frequency F is determined by the temperature frequency curve, the temperature frequency curve includes: a first temperature frequency curve 10, a second temperature frequency curve 20 and a third temperature frequency 30.
In FIG. 3, F is max For maximum frequency of compressor operation, F min Minimum frequency during compressor operation, wherein during normal compressor operation, the compressor operation frequency F is between the maximum frequency F max With a minimum frequency F min To (c) to (d); in S311: at a first preset temperature value T 1 Temperature T less than or equal to outdoor environment temperature value Outer ring Not more than a second preset temperature value T 2 While controlling the compressor to operate at a first operating frequency F 1 Operation, at this time due to outdoor ambient temperature value T Outer ring Between a first preset temperature value T 1 And a second preset temperature value T 2 At a first operating frequency F of the compressor 1 At a first operating frequency F 1 Corresponding curve A 1 (ii) a In S312: at a second preset temperature value T 2 < outdoor ambient temperature value T Outer ring Not more than third preset temperature value T 3 While controlling the compressor to operate at a second operating frequency F 2 Operation, at this time due to outdoor ambient temperature value T Outer ring Between a second preset temperature value T 2 And a third preset temperature value T 3 At a second operating frequency F of the compressor 2 At the second operating frequency F 2 Corresponding curve B 1 (ii) a In S313: at a third preset temperature value T 3 < outdoor ambient temperature value T Outer ring Not more than fourth preset temperature value T 4 While controlling the compressor to operate at a third operating frequency F 3 Operation, at this time due to outdoor ambient temperature value T Outer ring Between a third preset temperature value T 3 And a fourth preset temperature value T 4 At a third operating frequency F of the compressor 3 At the third operating frequency F 3 Corresponding curve C 1 And D; in S314: at a fourth preset temperature value T 4 < outdoor ambient temperature value T Outer ring And controlling the compressor to operate at the lowest operation frequency Fmin, wherein the temperature value T is caused by the outdoor environment temperature Outer ring Greater than a fourth predetermined temperatureValue T 4 At the lowest operating frequency F of the compressor min 。
It should be noted that, when the air conditioner performs normal operation and cooling in steps S311 to S314, the operation frequency F of the compressor is adjusted, that is, steps 311 to S314 are adjusted according to the first temperature frequency operation curve in S31; correspondingly, the adjustment manner of the compressor operation frequency F of the second temperature frequency curve 20 in S32 and the third temperature frequency curve 30 in S33 is the same as that of the first temperature frequency operation curve in S31; wherein, in the second temperature frequency curve 20, when the compressor operation frequency F is adjusted, the first preset temperature value T is set 1 And a second preset temperature value T 2 In the interval, the compressor operating frequency F corresponds to the curve A 2 (ii) a At a second preset temperature value T 2 And a third preset temperature value T 3 In the interval, the compressor operating frequency F corresponds to the curve B 2 (ii) a At a third preset temperature value T 3 And a fourth preset temperature value T 4 In the interval, the compressor operating frequency F corresponds to the curve C 2 And D.
Further, in the third temperature frequency curve 30, when the compressor operation frequency F is adjusted, the temperature is adjusted at the first preset temperature value T 1 And a second preset temperature value T 2 In the interval, the compressor operating frequency F corresponds to the curve A 3 (ii) a At a second preset temperature value T 2 And a third preset temperature value T 3 In the interval, the compressor operating frequency F corresponds to the curve B 3 (ii) a At a third preset temperature value T 3 And a fourth preset temperature value T 4 In the interval, the compressor operating frequency F corresponds to the curve C 3 And D.
Preferably, the compressor operation frequency F can be adjusted within the first temperature frequency curve 10, the second temperature frequency curve 20 and the third temperature frequency curve 30, or the compressor operation frequency F can be adjusted between the first temperature frequency curve 10, the second temperature frequency curve 20 and the third temperature frequency curve 30, and the specific step S30 further includes:
s31: when the air conditioner normally operates for refrigeration, the compressor operation frequency F operates according to a first temperature frequency curve 10;
s32: when the compressor running frequency runs according to the first temperature frequency 10 curve and air conditioner protection is triggered, controlling the compressor running frequency F to be reduced, and simultaneously, running the compressor running frequency F according to the second temperature frequency curve 20;
s33: when the compressor operating frequency F operates according to the second temperature frequency curve 20 and the air conditioner protection is triggered, the compressor operating frequency F is controlled to be reduced, and at the same time, the compressor operating frequency F operates according to the third temperature frequency curve 30.
Wherein, when the outdoor environment temperature value T Outer ring At a certain time, the same outdoor ambient temperature value T Outer ring Next, the corresponding compressor operating frequencies F under the first temperature frequency curve 10, the second temperature frequency curve 20, and the third temperature frequency operating curve 30 are sequentially decreased; namely, when the air conditioner is controlled from the first temperature frequency curve to the second temperature frequency curve and from the second temperature frequency curve to the third temperature frequency curve, the operation frequency F of the compressor is adjusted to be reduced.
Preferably, when the operating frequency F of the air conditioner compressor is in the first temperature frequency curve 10, the operating frequency F of the compressor operates according to the first temperature frequency curve, and the number of times of triggering the air conditioner protection reaches a first preset number of times N 1 When the temperature is higher than the first temperature, controlling the running frequency F of the compressor to run according to a second temperature frequency curve; the operation frequency F of the compressor is operated according to the first temperature frequency curve, and the number of times of triggering the air conditioner protection reaches a second preset number of times N 2 And controlling the compressor operating frequency F to operate according to the third temperature frequency curve.
For example, if the air conditioner compressor is operating at the first temperature frequency curve 10, and the air conditioner is operating at the curve A 1 If the number of continuous triggering of the air conditioner protection reaches a first preset number N 1 At this time (N1 may take 2 times), the operating frequency F of the adjustable compressor is switched from the first temperature-frequency curve 10 to the second temperature-frequency curve 20, and the operating frequency F of the adjustable compressor is adjusted from A 1 Is reduced to A 2 (ii) a The further air conditioner operating frequency is in curve A 2 If the number of continuous triggering of the air conditioner protection reaches a first preset number N 1 At this time, the compressor operation frequency F can be adjustedSwitching from the second temperature frequency curve 20 to the third temperature frequency curve 30, and adjusting the compressor operation frequency F from A 2 Is reduced to A 3 (ii) a Wherein the first preset number of times N 1 The number of times may be selected to be 2, but other numbers may be selected, and is not limited herein.
Further, if the air conditioner compressor is operated at the first temperature frequency curve 10, and the air conditioner is operated at the curve B 1 If the number of continuous triggering of the air conditioner protection reaches a second preset number N 2 At this time, the operating frequency F of the compressor is adjusted from the first temperature frequency curve 10 to the second temperature frequency curve 20, and the operating frequency F of the compressor is adjusted from B 1 Is reduced to B 2 (ii) a The further air conditioner operating frequency is in curve B 2 If the continuous triggering of the air conditioner protection reaches the second preset number N 2 At this time, the adjustable compressor operating frequency F is converted from the second temperature frequency curve 20 to the third temperature frequency curve 30, and the adjustable compressor operating frequency F is adjusted from B 2 Down to B 3 (ii) a Wherein the second preset number of times N 2 The number of times may be selected as 3, but other numbers may be selected, and is not limited herein.
Further, if the air conditioner compressor is operated at the first temperature frequency curve 10, and the air conditioner is operated at the curve C 1 If the number of times of continuously triggering the air conditioner protection reaches a third preset number of times N 3 At this time, the operating frequency F of the adjustable compressor is converted from the first temperature frequency curve 10 to the second temperature frequency curve 20, and the operating frequency F of the adjustable compressor is adjusted from C 1 Down to C 2 (ii) a The further air conditioner operating frequency is in curve B 2 If the continuous triggering of the air conditioner protection reaches a third preset number N 3 At this time, the adjustable compressor operating frequency F is converted from the second temperature frequency curve 20 to the third temperature frequency curve 30, and the adjustable compressor operating frequency F is adjusted from C 2 Down to C 3 (ii) a Wherein the third preset number of times N 3 The number of times can be selected 4 times, but other numbers can be selected, and the number is not limited herein.
Further, when the operation frequency F of the air conditioner compressor operates according to the curve D, if the air conditioner protection still continuously occurs and the number of times of continuously triggering the air conditioner protection reaches a fourth preset number N4, it indicates that the air conditioner may have a system fault, and at this time, the air conditioner compressor may be stopped and send a warning to a user; the fourth preset number N4 may be selected from 6, and certainly, other numbers may also be selected, which is not limited herein.
Wherein, the continuous occurrence protection in the embodiment of the present invention refers to: self-recoverable protection such as exhaust temperature protection, outer disc high temperature protection, module temperature protection and current protection can be continuously realized; meanwhile, if the air conditioner has protection which cannot be automatically recovered, the air conditioner needs to be controlled to stop at the moment so as to avoid the condition of damaging the air conditioner.
Preferably, in S40, the control method further includes:
s41: at a first operating frequency F of the compressor 1 When the air conditioner is in operation, the air conditioner does not meet the rotating speed regulation condition of the outdoor fan, and the outdoor fan is controlled to rotate at the current rotating speed n at the moment 0 Continuing to operate;
s42: at a second operating frequency F of the compressor 2 A third operating frequency F 3 And a minimum operating frequency F min When the air conditioner operates, the air conditioner meets the rotating speed adjusting condition of the outdoor fan, and meanwhile, the rotating speed of the outdoor fan is adjusted.
Preferably, in S41-S42, when the air conditioner compressor is at the first operation frequency F 1 When the air conditioner runs, the running state of the current air conditioner is normal, the refrigerating effect of the air conditioner in the current running state is better, and therefore the rotating speed of the outdoor fan can not be adjusted; conversely, if the air conditioner is operating at the second operating frequency F 2 A third operating frequency F 3 And a minimum operating frequency F min When the air conditioner runs, the running frequency F of the compressor is relatively low, the refrigerating effect of the air conditioner is not good enough, and the rotating speed of the outdoor fan needs to be adjusted at the moment in order to guarantee the refrigerating effect of the air conditioner.
Specifically, when the rotational speed of the outdoor fan is adjusted, S50 includes:
s51: at a second operating frequency F of the compressor 2 When in operation, the control roomThe fan rotates at a first speed n 1 Running;
s52: at a third operating frequency F of the compressor 3 When the outdoor fan runs, the outdoor fan is controlled to rotate at a second rotating speed n 2 Operation of
S53: when the compressor operates at the lowest operation frequency Fmin, controlling the outdoor fan to rotate at a third rotating speed n 3 Running;
wherein the current rotation speed n 0 First speed n 1 A second rotation speed n 2 And a third rotational speed n 3 Satisfies the following conditions: n is 0 ＜n 1 ＜n 2 ≤n 3 。
Preferably, in S51, when the compressor is at the second operating frequency F 2 When the outdoor fan is adjusted during operation, the current rotating speed n of the outdoor fan is 0 On the basis of (a), increasing the rotational speed to a first rotational speed n 1 Wherein the current rotational speed n 0 At a first speed n 1 Satisfies the following conditions: n is a radical of an alkyl radical 1 -n 0 ＝Δn 1 (ii) a Wherein, Δ n 1 ∈[20r/s，50r/s](ii) a And, in S52, when the compressor is at the third operating frequency F 3 When the outdoor fan is adjusted during operation, the current rotating speed n of the outdoor fan is 0 On the basis of the above-mentioned operation, the rotating speed is increased to a second rotating speed n 2 Wherein the current rotational speed n 0 And a second rotational speed n 2 Satisfies the following conditions: n is 2 -n 0 ＝Δn 2 (ii) a Wherein, Δ n 2 ∈[60r/s，100r/s](ii) a In S53, when the compressor is operated at the lowest frequency F min When the outdoor fan is adjusted during operation, the current rotating speed n of the outdoor fan is 0 On the basis of (a), increasing the rotation speed to a third rotation speed n 3 Wherein the current rotational speed n 0 And a third rotation speed n 3 Satisfies the following conditions: n is a radical of an alkyl radical 3 -n 0 ＝Δn 3 (ii) a Wherein, Δ n 3 ∈[60r/s，100r/s](ii) a In addition, when the rotation speed of the outdoor fan is adjusted, the adjusted first rotation speed n is set 1 A second rotation speed n 2 And a third rotational speed n 3 Must not exceed the maximum allowable speed of the outdoor fan.
[ second embodiment ] A
In a second embodiment of the present invention, there is provided an air conditioning control apparatus for executing the air conditioning refrigeration control method in the above-described embodiments, and the control apparatus includes:
an acquisition module for acquiring outdoor environment temperature value T when the air conditioner operates in refrigeration Outer ring And a compressor running time t;
a judging module for judging the outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition; judging whether the rotating speed regulation condition of the outdoor fan is met or not according to the running frequency F of the compressor;
a determining module for determining the temperature T according to outdoor environment when the air conditioner satisfies high temperature refrigeration condition Outer ring Determining the running frequency F of the compressor;
and the adjusting module is used for adjusting the rotating speed of the outdoor fan when the air conditioner meets the rotating speed adjusting condition of the outdoor fan.
Preferably, when the air conditioner control device is used for executing the air conditioner refrigeration control method in the foregoing embodiment, all technical features and all beneficial effects of the control method in the foregoing embodiment are provided, and details are not repeated here.
[ third embodiment ]
In a third embodiment of the present invention, an air conditioner is provided with a processor, a memory, and a program or instructions stored on the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the air conditioning refrigeration control method as in the above-mentioned embodiments.
Preferably, when the air conditioner implements the air conditioner refrigeration control method in the above embodiment, the air conditioner has all technical features and all beneficial effects of the air conditioner refrigeration control method in the above embodiment, and details are not repeated here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An air conditioner refrigeration control method is characterized by comprising the following steps:
when the air conditioner operates in a refrigerating mode, the outdoor environment temperature value T is obtained Outer ring And a compressor run time t;
according to the outdoor environment temperature value T Outer ring The running time t of the compressor is used for judging whether the air conditioner meets the high-temperature refrigeration condition;
if yes, according to the outdoor environment temperature value T Outer ring Determining the running frequency F of the compressor;
judging whether the air conditioner meets the rotating speed adjusting condition of an outdoor fan or not according to the running frequency F of the compressor;
and if so, adjusting the rotating speed of the outdoor fan.
2. The air conditioner refrigeration control method as claimed in claim 1, wherein the judging whether the air conditioner satisfies a high temperature refrigeration condition includes:
at the outdoor ambient temperature value T Outer ring Not less than a first preset temperature value T 1 And the running time t of the compressor is more than or equal to the preset time t 0 And meanwhile, the air conditioner meets the high-temperature refrigeration condition.
3. The air conditioner refrigeration control method as claimed in claim 1, wherein the outdoor environment temperature value T is Outer ring In a linear relationship with the compressor operating frequency F, which is determined by the temperature frequency curve.
4. The air conditioner refrigeration control method as claimed in claim 3, wherein the determination of the compressor operation frequency F by the temperature frequency curve includes:
at the first preset temperature value T 1 < the outdoor ambient temperature value T Outer ring Not more than second preset temperature value T 2 While controlling the compressor to operate at a first operating frequency F 1 Running;
and/or at said second preset temperature value T 2 < the outdoor ambient temperature value T Outer ring Not more than third preset temperature value T 3 While controlling the compressor to operate at a second operating frequency F 2 Running;
and/or at said third preset temperature value T 3 < the outdoor ambient temperature value T Outer ring Not more than fourth preset temperature value T 4 While controlling the compressor to operate at a third operating frequency F 3 Running;
and/or, at said fourth preset temperature value T 4 < the outdoor ambient temperature value T Outer ring While controlling the compressor to operate at the lowest operating frequency F min Running;
wherein the first operating frequency F 1 Said second operating frequency F 2 Said third operating frequency F 3 And the fourth operating frequency F 4 Satisfies the following conditions: f 1 ＞F 2 ＞F 3 ＞F 4 。
5. The air conditioner refrigeration control method as claimed in claim 4, wherein the judging whether the outdoor fan speed regulation condition is satisfied according to the compressor operation frequency F includes:
at said first operating frequency F of said compressor 1 When the air conditioner runs, the air conditioner does not meet the rotating speed adjusting condition of the outdoor fan, and the outdoor fan is controlled to rotate at the current rotating speed n 0 Continuing to operate;
and/or at said second operating frequency F of said compressor 2 Said third operating frequency F 3 And the lowest operating frequency F min When the air conditioner runs, the air conditioner meets the rotating speed adjusting condition of the outdoor fan, and meanwhile, the rotating speed of the outdoor fan is adjusted.
6. The air conditioner refrigeration control method as claimed in claim 5, wherein said adjusting the outdoor fan speed comprises:
at said second operating frequency F of said compressor 2 When the outdoor fan runs, the outdoor fan is controlled to rotate at a first speed n 1 Running;
and/or at said third operating frequency F of said compressor 3 When the outdoor fan runs, the outdoor fan is controlled to rotate at a second rotating speed n 2 Operation of the device
And/or at said lowest operating frequency F of said compressor min When the outdoor fan runs, the outdoor fan is controlled to rotate at a third rotating speed n 3 Running;
wherein the current rotation speed n 0 The first rotational speed n 1 The second rotation speed n 2 And the third rotation speed n 3 Satisfies the following conditions: n is 0 ＜n 1 ＜n 2 ≤n 3 。
7. The air conditioner refrigeration control method according to claim 3, wherein the temperature frequency curve includes: a first temperature frequency curve, a second temperature frequency curve, and a third temperature frequency; the control method further comprises the following steps:
when the air conditioner normally operates and refrigerates, the compressor operating frequency F operates according to the first temperature frequency curve;
and/or when the compressor running frequency runs according to the first temperature frequency curve and air conditioner protection is triggered, controlling the compressor running frequency F to be reduced, and simultaneously, controlling the compressor running frequency F to run according to the second temperature frequency curve;
and/or when the compressor running frequency F runs according to the second temperature frequency curve and air conditioner protection is triggered, controlling the compressor running frequency F to be reduced, and simultaneously, controlling the compressor running frequency F to run according to the third temperature frequency curve.
8. The air conditioner refrigeration control method according to claim 7, wherein the compressor operation frequency F is controlled to operate according to the second temperature frequency curve when the compressor operation frequency F operates according to the first temperature frequency curve and the number of times of triggering air conditioner protection reaches a preset number of times; and when the compressor running frequency F runs according to the second temperature frequency curve and the number of times of triggering air conditioner protection reaches a preset number, controlling the compressor running frequency F to run according to the third temperature frequency curve.
9. An air conditioning control device, characterized by comprising:
the acquisition module is used for acquiring an outdoor environment temperature value T outer ring and compressor running time T when the air conditioner runs in a refrigerating mode;
the judging module is used for judging whether the air conditioner meets the high-temperature refrigeration condition or not according to the outdoor environment temperature value T outer ring and the compressor running time T; judging whether the rotating speed regulation condition of the outdoor fan is met or not according to the running frequency F of the compressor;
the determining module is used for determining the running frequency F of the compressor according to the outdoor environment temperature value T outer ring when the air conditioner meets the high-temperature refrigeration condition;
and the adjusting module is used for adjusting the rotating speed of the outdoor fan when the air conditioner meets the rotating speed adjusting condition of the outdoor fan.
10. An air conditioner, characterized in that the air conditioner comprises a computer-readable storage medium storing a computer program and a processor, and the computer program, when read by the processor, implements the air-conditioning refrigeration control method according to any one of claims 1 to 9.
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