CN107514734B - Air-conditioning strength refrigeration control method - Google Patents
Air-conditioning strength refrigeration control method Download PDFInfo
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- CN107514734B CN107514734B CN201710565419.5A CN201710565419A CN107514734B CN 107514734 B CN107514734 B CN 107514734B CN 201710565419 A CN201710565419 A CN 201710565419A CN 107514734 B CN107514734 B CN 107514734B
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning strength refrigeration control methods, comprising: after step 1, starting of air conditioner, when the outdoor environment temperature Twh detected is greater than setting reference temperature value Tq, starts strength refrigeration mode；Under step 2, strength refrigeration mode, indoor environment temperature Tnh is detected, and calculate indoor/outdoor temperature-difference △ T=Twh-Tnh；Step 3, according to formula f=- a* △ T2+ b* △ T+c calculates the working frequency f of frequency-changeable compressor in air-conditioning；Step 4, dynamic control frequency-changeable compressor are run at the working frequency f that step 3 calculates；Wherein, as one: Tq < Twh≤Tq+10 of the condition that meets, a=- 0.06, b=0.5 ~ 0.6, c=80 ~ 85；As two: Twh > Tq+10 of the condition that meets, a=- 0.07, b=2 ~ 2.5, c=50 ~ 55.Realize that air-conditioning fast cooling and can improve user experience, meanwhile, reduce energy consumption.
Description
Technical field
The present invention relates to refrigeration equipment more particularly to a kind of air-conditioning strength refrigeration control methods.
Background technique
Currently, air-conditioning is the common household electrical appliance in people's daily life, air-conditioning generally has refrigeration and heating mode,
When ambient temperature is higher, indoor temperature is reduced using air conditioner refrigerating.200810026874.9 disclosure of China Patent No.
A kind of control method for quick refrigeration/heat-production of air conditioner, wherein mainly using detection indoor temperature value, add to control blower
Fast Wind Volume operating.But find in actual use, quick for room temperature changes also by external environment temperature
The height of the influence of degree, ambient temperature directly affects the speed of indoor temperature change generated in case, and above-mentioned patented technology can not basis
Different environment temperature control air-conditionings are run in the state of optimal, are only to increase wind speed and compression horsepower, on the one hand will consumption
A large amount of electric energy, another aspect air-conditioning usage comfort are had a greatly reduced quality, and cause user experience poor.How to design one kind can
Fast cooling is the technical problems to be solved by the invention with the air conditioning control method for improving user experience.
Summary of the invention
The present invention provides a kind of air-conditioning strength refrigeration control method, realize that air-conditioning fast cooling and can improve user's body
The property tested, meanwhile, reduce energy consumption.
To reach above-mentioned technical purpose, the present invention is implemented with the following technical solutions:
A kind of air-conditioning strength refrigeration control method, comprising:
After step 1, starting of air conditioner, when the outdoor environment temperature Twh detected is greater than setting reference temperature value Tq, starting
Strength refrigeration mode；
Under step 2, strength refrigeration mode, indoor environment temperature Tnh is detected, and calculate indoor/outdoor temperature-difference △ T=Twh-Tnh；
Step 3, according to formula f=- a* △ T2+ b* △ T+c calculates the working frequency f of frequency-changeable compressor in air-conditioning；
Step 4, dynamic control frequency-changeable compressor are run at the working frequency f that step 3 calculates；
Wherein, as one: Tq < Twh≤Tq+10 of the condition that meets, a=- 0.06, b=0.5 ~ 0.6, c=80 ~ 85；
As two: Twh > Tq+10 of the condition that meets, a=- 0.07, b=2 ~ 2.5, c=50 ~ 55.
Further, the step 2 further include: under strength refrigeration mode, in frequency-changeable compressor startup stage, increase air-conditioning
The aperture of middle electric expansion valve.
Further, the aperture for increasing electric expansion valve in air-conditioning, specifically: electric expansion valve initial baseline aperture
For d；Judgement meets condition one, target return-air degree of superheat range 0 ~ -1, return-air degree of superheat Tgr=suction temperature Thq- evaporator plate
Tube temperature degree Tpg, as Tgr >=2 or Tgr≤- 3, then the every 10s adjustment of electric expansion valve is primary, each valve opening -10；As 0 <
2 or -1 < -3 < Tgr Tgr <, then the every 30s adjustment of electric expansion valve is primary, and each valve opening -5, outdoor fan revolving speed is in model
It encloses in 750 ~ 800；Judgement meets condition two, target return-air degree of superheat range -1 ~ -2, as Tgr >=1 or Tgr≤- 3, then electronics
The every 10s adjustment of expansion valve is primary, each valve opening -10；When 2 or -2 < -3 < Tgr -1 < Tgr <, then electric expansion valve is every
30s adjustment is primary, and each valve opening -5, outdoor fan revolving speed is in range 800 ~ 850.
Further, the step 1 further include: after starting of air conditioner, the indoor fan of air conditioner indoor unit stops operating, and
After the evaporator temperature of air conditioner indoor unit is lower than setting evaporating temperature value, indoor fan starts turning again.
Further, further includes: step 5, when indoor environment temperature Tnh lower than setting cryogenic temperature value after, strength freeze
Mode terminates, and air-conditioning is run according to normal refrigeration mode.
Further, air-conditioning is configured with remote controler, and remote controler is provided with the strength for starting air-conditioning strength refrigeration mode
Refrigerating button；The method also includes:
Step 6, under air-conditioning normal refrigeration mode, when user artificially touches the strength refrigerating button on remote controler, air-conditioning
It is run according to strength refrigeration mode.
Compared with prior art, the advantages and positive effects of the present invention are: by detecting outdoor environment temperature in booting
Height, judge outdoor environment temperature be higher than reference temperature value after, then automatically starting strength refrigeration mode, at this point, judging again
Indoor and outdoor surroundings temperature gap reasonably controls the running frequency of frequency-changeable compressor, the frequency of frequency-changeable compressor using the difference
Rate calculating joined indoor and outdoor temperature difference, can more efficiently can also realize interior closer to the actual perceived of user
Fast cooling refrigeration, compared with the prior art in be only to increase for wind speed and compressor horsepower, the operation frequency of frequency-changeable compressor
The temperature difference of rate combination indoor and outdoor carries out, and can obtain preferable Energy Efficiency Ratio under the premise of utmostly meeting express delivery cooling,
To reduce energy consumption；Also, user is enabled to be unlikely to the temperature difference change while feeling fast cooling again during fast cooling
Change too fast and body-sensing effect is caused to be deteriorated, realizes that air-conditioning fast cooling and can improve user experience.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of air-conditioning strength refrigeration control method embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment air-conditioning strength refrigeration control method, comprising:
After step 1, starting of air conditioner, when the outdoor environment temperature Twh detected is greater than setting reference temperature value Tq, starting
Strength refrigeration mode.Specifically, during starting of air conditioner, if detecting that ambient temperature is higher more than setting reference temperature
It is automatic to start forced refrigeration mode when value Tq, to realize indoor environment temperature rapid decrease, it is preferred that due to starting of air conditioner rank
Section, refrigerating capacity is weaker, and the wind or hot wind blown out from air conditioner indoor unit, even, the temperature of the wind of air-conditioning blowout compare Indoor Temperature
Degree also height, at this point, step 1 further include: after starting of air conditioner, the indoor fan of air conditioner indoor unit stops operating, air-conditioner outdoor unit
Outdoor fan operates normally, and after the evaporator temperature of air conditioner indoor unit is lower than setting evaporating temperature value, indoor fan is opened again
Begin to rotate, in this way, user experience can be caused to reduce to avoid the heated wind effect of startup stage user.
Under step 2, strength refrigeration mode, indoor environment temperature Tnh is detected, and calculate indoor/outdoor temperature-difference △ T=Twh-Tnh.
Specifically, by the size for calculating indoor/outdoor temperature-difference △ T, for calculating the running frequency of frequency-changeable compressor in step 3.It is preferred that
, step 2 further include: under strength refrigeration mode, electric expansion valve is opened in frequency-changeable compressor startup stage, increase air-conditioning
Degree, specifically, electric expansion valve initial baseline aperture is d；Judgement meets condition one, and target return-air degree of superheat range 0 ~ -1 is returned
Gas degree of superheat Tgr=suction temperature Thq- evaporator coil temperature Tpg, as Tgr >=2 or Tgr≤- 3, then electric expansion valve is every
10s adjustment is primary, each valve opening -10；When 2 or -1 < -3 < Tgr 0 < Tgr <, then the every 30s adjustment one of electric expansion valve
Secondary, each valve opening -5, outdoor fan revolving speed is in range 750 ~ 800；Judgement meets condition two, target return-air degree of superheat model
- 1 ~ -2 are enclosed, as Tgr >=1 or Tgr≤- 3, then the every 10s adjustment of electric expansion valve is primary, each valve opening -10；As -1 < Tgr
2 or -2 < -3 < Tgr <, then the every 30s adjustment of electric expansion valve is primary, and each valve opening -5, outdoor fan revolving speed is in range
In 800 ~ 850；By way of controlling electronic expansion valve opening above, the cold medium flux that can flow into evaporator is bigger than normal,
Refrigerant cannot all be evaporated to gas in evaporator, and the refrigerant come out from evaporator is there are also the part of liquid, and refrigerant is from room
During interior machine flow back into outdoor unit, for liquid refrigerants also in evaporation endothermic, suction temperature will be lower than evaporating temperature, do so
Purpose just allow for compressor oil and the intersolubility of liquid refrigerants is good, so liquid refrigerants is more, increase compressor oil
Mobility, just have more compressor oils as the flowing of refrigerant is brought back compressor.Conventional inverter compressor is opening
After dynamic in first 5 minutes, in fact, convertible frequency air-conditioner is to be in the state not fully opened, and the running frequency of frequency-changeable compressor is very
Extremely can be lower than the frequency (frequency is frequency of supply 50 or 60Hz) of fixed frequency air conditioner compressor operation, common convertible frequency air-conditioner starts it
After need to run oil return frequency, in order to prevent starting when frequency conversion compressor frequency rise it is too fast causes refrigeration oil reflux not
Smooth problem, this causes the refrigeration effect of just booting operation phase to be had a greatly reduced quality, by optimizing frequency-changeable compressor in initial start stage
Starting mode, increase aperture of the expansion valve within the frequency-changeable compressor starting time, during the aperture for increasing electric expansion valve,
Ensure that the suction temperature of frequency-changeable compressor is lower than setting return-air value, and the refrigerant for making A/C evaporator return to frequency-changeable compressor begins
There is liquid eventually, ensure that frequency-changeable compressor refrigeration oil liquid level, by the above measure, saves at least 5 minutes starting time, mention
The effect of high forced refrigeration.
Step 3, according to formula f=- a* △ T2+ b* △ T+c calculates the working frequency f of frequency-changeable compressor in air-conditioning.Specifically
, as one: Tq < Twh≤Tq+10 of the condition that meets, a=- 0.06, b=0.5 ~ 0.6, c=80 ~ 85；
As two: Twh > Tq+10 of the condition that meets, a=- 0.07, b=2 ~ 2.5, c=50 ~ 55.Specifically, frequency-changeable compressor is transported
The metering of line frequency has increased indoor and outdoor temperature difference, in this way, on the one hand may insure frequency-changeable compressor with optimal work
Frequency operation carries out effective forced refrigeration, on the other hand can also cause under physical comfort to avoid user because cooling is too fast
Drop can optimize user's body-sensing closer to the actual perceived of user, improve user experience, meanwhile, it can obtain and more preferably can
Effect ratio.
Step 4, dynamic control frequency-changeable compressor are run at the working frequency f that step 3 calculates.Specifically, frequency conversion pressure
Contracting machine can carry out dynamic control operation according to the working frequency f that step 3 calculates in real time, will directly become compared to routine techniques
Frequency compressor is compared with running at full capacity, on the one hand can be lowered energy consumption and be improved Energy Efficiency Ratio, on the other hand can met quickly
More preferably user experience is obtained under the premise of refrigeration.
Step 5, when indoor environment temperature Tnh lower than setting cryogenic temperature value after, strength refrigeration mode terminates, air-conditioning according to
Normal refrigeration mode operation.
Further, air-conditioning is configured with remote controler, and remote controler is provided with the strength for starting air-conditioning strength refrigeration mode
Refrigerating button；The method also includes: step 6, under air-conditioning normal refrigeration mode, when user artificially touch it is strong on remote controler
Power refrigerating button, air-conditioning are run according to strength refrigeration mode.
Compared with prior art, the advantages and positive effects of the present invention are: by detecting outdoor environment temperature in booting
Height, judge outdoor environment temperature be higher than reference temperature value after, then automatically starting strength refrigeration mode, at this point, judging again
Indoor and outdoor surroundings temperature gap reasonably controls the running frequency of frequency-changeable compressor, the frequency of frequency-changeable compressor using the difference
Rate calculating joined indoor and outdoor temperature difference, can more efficiently can also realize interior closer to the actual perceived of user
Fast cooling refrigeration, compared with the prior art in be only to increase for wind speed and compressor horsepower, the operation frequency of frequency-changeable compressor
The temperature difference of rate combination indoor and outdoor carries out, and can obtain preferable Energy Efficiency Ratio under the premise of utmostly meeting express delivery cooling,
To reduce energy consumption；Also, user is enabled to be unlikely to the temperature difference change while feeling fast cooling again during fast cooling
Change too fast and body-sensing effect is caused to be deteriorated, realizes that air-conditioning fast cooling and can improve user experience.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, the spirit for the present invention embodiment technical solution that it does not separate the essence of the corresponding technical solution and
Range.
Claims (4)
1. a kind of air-conditioning strength refrigeration control method characterized by comprising
After step 1, starting of air conditioner, when the outdoor environment temperature Twh detected is greater than setting reference temperature value Tq, starting strength
Refrigeration mode；
Under step 2, strength refrigeration mode, indoor environment temperature Tnh is detected, and calculate indoor/outdoor temperature-difference △ T=Twh-Tnh；
Step 3, the working frequency f that frequency-changeable compressor in air-conditioning is calculated according to formula f=- a* △ T 2+b* △ T+c；
Step 4, dynamic control frequency-changeable compressor are run at the working frequency f that step 3 calculates；
Wherein, as one: Tq < Twh≤Tq+10 of the condition that meets, a=- 0.06, b=0.5 ~ 0.6, c=80 ~ 85；
As two: Twh > Tq+10 of the condition that meets, a=- 0.07, b=2 ~ 2.5, c=50 ~ 55;Wherein, the step 2 further include: strong
Under power refrigeration mode, in frequency-changeable compressor startup stage, increase the aperture of electric expansion valve in air-conditioning；
The aperture of electric expansion valve in the increase air-conditioning, specifically: electric expansion valve initial baseline aperture is d；
Judgement meets condition one, target return-air degree of superheat range 0 ~ -1, return-air degree of superheat Tgr=suction temperature Thq- evaporator plate
Tube temperature degree Tpg, as Tgr >=2 or Tgr≤- 3, then the every 10s adjustment of electric expansion valve is primary, each valve opening -10；As 0 <
2 or -1 < -3 < Tgr Tgr <, then the every 30s adjustment of electric expansion valve is primary, and each valve opening -5, outdoor fan revolving speed is in model
It encloses in 750 ~ 800；
Judgement meets condition two, and target return-air degree of superheat range -1 ~ -2, as Tgr >=1 or Tgr≤- 3, then electric expansion valve is every
10s adjustment is primary, each valve opening -10；When 2 or -2 < -3 < Tgr -1 < Tgr <, then the every 30s adjustment one of electric expansion valve
Secondary, each valve opening -5, outdoor fan revolving speed is in range 800 ~ 850.
2. air-conditioning strength refrigeration control method according to claim 1, which is characterized in that the step 1 further include: air-conditioning
After starting, the indoor fan of air conditioner indoor unit stops operating, and in the evaporator temperature of air conditioner indoor unit lower than setting evaporation temperature
After angle value, indoor fan starts turning again.
3. air-conditioning strength refrigeration control method according to claim 1, which is characterized in that further include:
Step 5, when indoor environment temperature Tnh lower than setting cryogenic temperature value after, strength refrigeration mode terminates, and air-conditioning is according to common
Refrigeration mode operation.
4. air-conditioning strength refrigeration control method according to claim 1, which is characterized in that air-conditioning is configured with remote controler, distant
Control device is provided with the strength refrigerating button for starting air-conditioning strength refrigeration mode；The method also includes:
Step 6, under air-conditioning normal refrigeration mode, when user artificially touches the strength refrigerating button on remote controler, air-conditioning according to
The operation of strength refrigeration mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710565419.5A CN107514734B (en) | 2017-07-12 | 2017-07-12 | Air-conditioning strength refrigeration control method |
| PCT/CN2018/090711 WO2019011094A1 (en) | 2017-07-12 | 2018-06-11 | Forced refrigeration control method for air conditioner |
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| CN201710565419.5A CN107514734B (en) | 2017-07-12 | 2017-07-12 | Air-conditioning strength refrigeration control method |
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| CN108397878A (en) * | 2018-03-31 | 2018-08-14 | 青岛海尔空调器有限总公司 | The control method of air-conditioning under heating mode |
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| CN108758995A (en) * | 2018-03-31 | 2018-11-06 | 青岛海尔空调器有限总公司 | The control method of air-conditioning under refrigeration mode |
| CN108444069A (en) * | 2018-03-31 | 2018-08-24 | 青岛海尔空调器有限总公司 | The control method of air-conditioning under refrigeration mode |
| CN108548303A (en) * | 2018-03-31 | 2018-09-18 | 青岛海尔空调器有限总公司 | The control method of air-conditioning under refrigeration mode |
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| CN109210699B (en) * | 2018-09-10 | 2020-11-27 | 青岛海尔空调器有限总公司 | Control method for anti-freezing protection of air conditioner |
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| CN103062866A (en) * | 2013-01-04 | 2013-04-24 | 广东美的制冷设备有限公司 | Energy saving control method, energy saving control system and air conditioner |
| CN105091217A (en) * | 2015-07-31 | 2015-11-25 | 青岛海尔空调器有限总公司 | Intelligent control method for air conditioner |
| CN105091218A (en) * | 2015-07-31 | 2015-11-25 | 青岛海尔空调器有限总公司 | Intelligent sleeping control method of air conditioner |
| CN106403191A (en) * | 2016-09-30 | 2017-02-15 | 广东美的制冷设备有限公司 | Control method for air conditioner |
| CN106594961A (en) * | 2016-11-02 | 2017-04-26 | 珠海格力电器股份有限公司 | Condensation prevention control method of air conditioner and air conditioner |
Also Published As
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| CN107514734A (en) | 2017-12-26 |
| WO2019011094A1 (en) | 2019-01-17 |
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