CN103983082B - A kind of intelligent quick-frozen control method of refrigerator - Google Patents
A kind of intelligent quick-frozen control method of refrigerator Download PDFInfo
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- CN103983082B CN103983082B CN201410238891.4A CN201410238891A CN103983082B CN 103983082 B CN103983082 B CN 103983082B CN 201410238891 A CN201410238891 A CN 201410238891A CN 103983082 B CN103983082 B CN 103983082B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 230000008014 freezing Effects 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 4
- 235000013305 food Nutrition 0.000 abstract description 17
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The invention discloses a kind of intelligent quick-frozen control method of refrigerator, when freezer compartment of refrigerator puts into a large amount of FF, need when the short time is freezing by fresh food temperature, control frequency-changeable compressor rotating speed or running time, control invariable frequency compressor running time.When sensor temperature is higher than the higher limit automatically entering quick-frozen function of setting, automatic decision refrigerator should enter quick-frozen state; For temperature sensor sets the desired value that is terminated quick-frozen function automatically, run when entering quick-frozen state and after maintaining this desired value certain hour, automatically exit quick-frozen state, compressor recovers normal and runs.The intelligent quick-frozen control method of a kind of refrigerator of the present invention, have controlled ice making case enter quick-frozen state and according to the duty of the temperature in refrigerator and quick-frozen time adjustment refrigerator, quick-frozen can be realized and energy-conservationly take into account the advantages such as object, be suitable for for the refrigeration plant such as refrigerator, refrigerator-freezer.
Description
Technical field
The present invention relates to a kind of intelligent quick-frozen control method of refrigerator.
Background technology
Generally, if put into food and the article of large calorimetric in the freezer compartment of refrigerator short time, then freezing indoor temperature can significantly rise, not only have impact on the temperature of original food and article, also can cause refrigerator long-play, so a lot of electric control refrigerators are in the market for this situation, all devise the separate procedure with " quick-frozen " function, allow user feel the care of hommization.
But current " quick-frozen " function all enters (manual key is adjusted to " quick-frozen " state) by manual operation, and " quick-frozen " function is provided with set time restriction.So there are two kinds of unreasonable states, that is: within the set time, relatively less fresh food is caused waste of energy by the temperature of freezing is too low, or more fresh food the set time arrive exit " quick-frozen " function time, be not also down to desirable temperature.And because learning actual temperature in case, user also cannot judge whether that " quick-frozen " function realizes completely.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, providing a kind of intelligent quick-frozen control method of refrigerator, to make refrigerator can fast by food freezing, economize energy.
The present invention be technical solution problem by the following technical solutions.
An intelligent quick-frozen control method for refrigerator, is characterized in, comprises the steps:
Step 1: under conventional freezing state, temperature sensor detects the real time temperature T of freezer compartment of refrigerator, calculates the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 2: when △ T is higher than the variations in temperature threshold value △ T1 preset, is just determined with FF and puts into refrigerating chamber;
Step 3: start compressor by the control system of refrigerator, compressor height rotating speed is run, enters quick-frozen state;
Step 4: after refrigerator enters quick-frozen state, is detected the real time temperature T of freezer compartment of refrigerator by temperature sensor, calculate the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 5: when △ T is lower than the variations in temperature threshold value △ T2 preset, judge that quick-frozen completes; Or when △ T is greater than preset time t 1 lower than the time t0 of variations in temperature threshold value △ T3 preset, judge that quick-frozen completes; Or refrigerator enter quick-frozen state duration, tc was greater than preset time t 2 time, judge quick-frozen complete;
Step 6: when judging that quick-frozen completes, terminates quick-frozen work, and the control system of refrigerator stops compressor, returns to conventional refrigerant state.
The design feature of the intelligent quick-frozen control method of a kind of refrigerator of the present invention is also:
Described Δ T1 is 0.5 to 5 DEG C.
Described Δ T2 is 3 to 20 DEG C.
Described Δ T3 is 3 to 10 DEG C.
Described t1 is 1 to 10 hour
Described t2 is 20 to 50 hours.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The intelligent quick-frozen control method of a kind of refrigerator of the present invention, when freezer compartment of refrigerator puts into a large amount of FF, need when the short time is freezing by fresh food temperature, utilize the temperature of temperature sensor perception, control frequency-changeable compressor rotating speed or running time, control invariable frequency compressor running time, reach more humane Based Intelligent Control.For temperature sensor sets the value that enters quick-frozen function automatically, when sensor experience temperature be increased beyond this value time, automatic decision refrigerator should enter quick-frozen state, now frequency-changeable compressor rotating speed improves rotating speed in the ratio exceeding limit value or extends running time, and invariable frequency compressor then extends running time; For temperature sensor sets the desired value that is terminated quick-frozen function automatically, run when entering quick-frozen state and after maintaining this desired value certain hour, automatically exit quick-frozen state, compressor recovers normal and runs.So, refrigerator can be made to avoid occurring the problem of quick-frozen deficiency of time or quick-frozen overlong time, realize quick-frozen and the energy-conservation object taken into account.
The intelligent quick-frozen control method of a kind of refrigerator of the present invention, have controlled ice making case enter quick-frozen state and according to the temperature in refrigerator and the quick-frozen time adjustment refrigerator duty, the advantage such as quick-frozen and the energy-conservation object taken into account can be realized, be suitable for for the refrigeration plant such as refrigerator, refrigerator-freezer.
Accompanying drawing explanation
Fig. 1 is under " quick-frozen " of the present invention programme-control, before and after a large amount of FF put into by refrigerating chamber, the operation conditions of frequency conversion refrigerator, and ice confectionery, FF temperature variations.
Label in Fig. 1: the 1 fresh food temperature curve of cyclical fluctuations, indoor original food temperature curve of cyclical fluctuations between 2,3 quick-frozen start times, 4 moment reaching target temperature, 5 quick-frozen target temperatures, 6 quick-frozen finish time fresh food temperatures, 7 quick-frozen finish times, 8 maintain the target temperature time.
Below by way of detailed description of the invention, and the invention will be further described by reference to the accompanying drawings.
Detailed description of the invention
See Fig. 1, a kind of intelligent quick-frozen control method of refrigerator, comprises the steps:
Step 1: under conventional freezing state, temperature sensor detects the real time temperature T of freezer compartment of refrigerator, calculates the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 2: when △ T is higher than the variations in temperature threshold value △ T1 preset, is just determined with FF and puts into refrigerating chamber;
Step 3: start compressor by the control system of refrigerator, compressor height rotating speed is run, enters quick-frozen state;
Step 4: after refrigerator enters quick-frozen state, is detected the real time temperature T of freezer compartment of refrigerator by temperature sensor, calculate the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 5: when △ T is lower than the variations in temperature threshold value △ T2 preset, judge that quick-frozen completes; Or when △ T is greater than preset time t 1 lower than the time t0 of variations in temperature threshold value △ T3 preset, judge that quick-frozen completes; Or refrigerator enter quick-frozen state duration, tc was greater than preset time t 2 time, judge quick-frozen complete;
Step 6: when judging that quick-frozen completes, terminates quick-frozen work, and the control system of refrigerator stops compressor, returns to conventional refrigerant state.
Described Δ T1 is 0.5 to 5 DEG C.
Described Δ T2 is 3 to 20 DEG C.
Described Δ T3 is 3 to 10 DEG C.
Described t1 is 1 to 10 hour
Described t2 is 20 to 50 hours.
The intelligent quick-frozen control method of a kind of refrigerator of the present invention, set temperature acquisition system and control system in refrigerator.When perceiving refrigerating chamber and having FF to put into, automatically carry out quick-frozen, and when judging that quick-frozen completes, automatically exit quick-frozen function, enter normal mode of operation.
When experiencing freezer temperature higher than normal control temperature Δ T1, judge have FF to put into refrigerating chamber; Or, inputted by user and have food to put into the information of refrigerating chamber.
When perceiving refrigerating chamber and having FF to put into, reduce refrigerating chamber control temperature Δ T2, or refrigerating chamber cooling time is extended, until freezer temperature is lower than the time overtime t1 of normal control temperature Δ T3, judge that quick-frozen completes.
Refrigerator compressor used is frequency-changeable compressor, when perceiving refrigerating chamber and having FF to put into, frequency-changeable compressor is run up.The quick-frozen time, more than t2, judges that quick-frozen completes.
During concrete enforcement, in frequency conversion electrical control refrigerator control program, setting: refrigerating chamber starting point temperature is Tk, and break point is Tg, Ta is a constant.
After putting into FF, refrigerating chamber sensor detects that temperature T is higher than Tk, and during Δ T1=T-Tk >=Ta, automatically break point is lowered Δ T2, and to Toff, frequency-changeable compressor height rotating speed runs simultaneously.When compressor operating a period of time, temperature reaches Toff, and when maintaining a period of time t1, judge to exit quick-frozen state, frequency-changeable compressor startup-shutdown point recovers Tk and Tg afterwards, and rotating speed recovers the operation of normal refrigerant sequence simultaneously.
Determining in frequency electric control refrigerator control program, suppose that refrigerating chamber starting point temperature is Tk, break point is Tg; Ta is a constant; after putting into FF, refrigerating chamber sensor detects that temperature T is higher than Tk, and during Δ T=T-Tk >=Ta, automatically break point is lowered Δ T2; to Toff; when compressor operating a period of time, temperature reaches Toff, and when maintaining a period of time t1; judge to exit quick-frozen state, the startup-shutdown point of compressor recovers Tk and Tg.
With reference to shown in accompanying drawing 1, label 1-8 wherein represents following parameter or curve respectively: the 1 fresh food temperature curve of cyclical fluctuations, indoor original food temperature curve of cyclical fluctuations between 2,3 quick-frozen start times, 4 moment reaching target temperature, 5 quick-frozen target temperatures, 6 quick-frozen finish time fresh food temperatures, 7 quick-frozen finish times, 8 maintain the target temperature time.
In Fig. 1, after refrigerator put into by certain quantity of fresh food, meet fast freezing conditions by indoor temperature between temperature sensor perception, control system sends instruction and starts to enter quick-frozen pattern, and frequency-changeable compressor height rotating speed runs, and power raises.1 constantly declines, until when being down to 5, quick-frozen terminates, and now, fresh food temperature reaches 5, and frequency-changeable compressor is shut down.Now 6 equal 5, after maintaining a period of time 8, arrive 7 by 6.Frequency-changeable compressor rotating speed reduces, and recovers normal procedure and runs.3 to 7, according to the number of FF amount, control its length by temperature sensor, ensure that the temperature in 7 moment has reached 5, and maintain certain hour 8.Like this, the thermic load quantity no matter put into, quick-frozen pattern can start with the most suitable time and terminate, and when not causing waste of energy, can all drop to required temperature and maintain certain hour 8 by all food in guard box again.
Present market requires more and more higher to the energy-conservation of refrigerator and hommization, " quick-frozen " function that the present invention is directed to frequency conversion refrigerator and fixed refrigerator has frequently carried out the optimization of control law, no longer be confined to the rotating speed of raising frequency-changeable compressor blindly, eliminate fixing " quick-frozen " time.Entering " quick-frozen " function except manually setting up, also can be controlled by temperature sensor, automatically enter " quick-frozen " function, and the post-set time of " quick-frozen " also being controlled by control system and temperature acquisition system.
Embodiment recited above is only be described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention; the various modification that this area ordinary person makes technical scheme of the present invention and improvement; all should drop into protection scope of the present invention, the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (5)
1. an intelligent quick-frozen control method for refrigerator, is characterized in that, comprise the steps:
Step 1: under conventional freezing state, temperature sensor detects the real time temperature T of freezer compartment of refrigerator, calculates the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 2: when △ T is higher than the variations in temperature threshold value △ T1 preset, is just determined with FF and puts into refrigerating chamber;
Step 3: start compressor by the control system of refrigerator, compressor height rotating speed is run, enters quick-frozen state;
Step 4: after refrigerator enters quick-frozen state, is detected the real time temperature T of freezer compartment of refrigerator by temperature sensor, calculate the difference △ T between real time temperature T and default normal control temperature T0, △ T=T-T0;
Step 5: when △ T is lower than the variations in temperature threshold value △ T2 preset, judge that quick-frozen completes; Or when △ T is greater than preset time t 1 lower than the time t0 of variations in temperature threshold value △ T3 preset, judge that quick-frozen completes; Or refrigerator enter quick-frozen state duration, tc was greater than preset time t 2 time, judge quick-frozen complete; Described Δ T3 is 3 to 10 DEG C;
Step 6: when judging that quick-frozen completes, terminates quick-frozen work, and the control system of refrigerator stops compressor, returns to conventional refrigerant state.
2. the intelligent quick-frozen control method of a kind of refrigerator according to claim 1, is characterized in that, described Δ T1 is 0.5 to 5 DEG C.
3. the intelligent quick-frozen control method of a kind of refrigerator according to claim 1 and 2, is characterized in that, described Δ T2 is 3 to 20 DEG C.
4. the intelligent quick-frozen control method of a kind of refrigerator according to claim 1 and 2, is characterized in that, described t1 is 1 to 10 hour.
5. the intelligent quick-frozen control method of a kind of refrigerator according to claim 1, is characterized in that, described t2 is 20 to 50 hours.
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| CN201410238891.4A CN103983082B (en) | 2014-05-30 | 2014-05-30 | A kind of intelligent quick-frozen control method of refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104315797B (en) * | 2014-10-24 | 2016-10-05 | 合肥华凌股份有限公司 | Refrigerator temperature-controlled process and device |
| CN106030224B (en) * | 2014-12-24 | 2018-01-02 | 松下电器产业株式会社 | Simple inversion control type freezer and freezer inversion control unit and use its frequency-changeable compressor |
| CN107490241B (en) * | 2017-08-15 | 2020-06-09 | 南京创维家用电器有限公司 | Control method of variable frequency refrigerator, storage medium and refrigerator |
| CN109883135B (en) * | 2019-03-21 | 2021-04-27 | 合肥华凌股份有限公司 | Quick-freezing control method, refrigerator, quick-freezing control device and storage medium |
| CN110068188A (en) * | 2019-05-15 | 2019-07-30 | 北京市农林科学院 | Mobile differential pressure precooling and refrigeration all-in-one disguise standby and its application method |
| CN110864487A (en) * | 2019-10-24 | 2020-03-06 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device and refrigerating and freezing device |
| CN113175783A (en) * | 2021-05-05 | 2021-07-27 | 广东奥马冰箱有限公司 | Control method for automatically identifying quick-freezing requirement |
| CN113175784A (en) * | 2021-05-05 | 2021-07-27 | 广东奥马冰箱有限公司 | Refrigeration appliance capable of automatically identifying quick-freezing requirements |
| CN113503673A (en) * | 2021-07-16 | 2021-10-15 | 珠海格力电器股份有限公司 | Control method of refrigeration storage equipment and refrigeration storage equipment |
| CN113865250A (en) * | 2021-08-20 | 2021-12-31 | 广东奥马冰箱有限公司 | Intelligent quick-freezing method for refrigerator and refrigerator |
| CN114485032A (en) * | 2022-01-14 | 2022-05-13 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN114941927A (en) * | 2022-06-21 | 2022-08-26 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
| CN115307378B (en) * | 2022-07-29 | 2024-01-09 | 澳柯玛股份有限公司 | Refrigerator control method capable of being set by user in user-defined mode |
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| CN1297793C (en) * | 2004-02-16 | 2007-01-31 | 海信（北京）电器有限公司 | Automatic qick-freeze refrigerator and its control method |
| CN103335488B (en) * | 2013-07-16 | 2015-08-26 | 合肥美的电冰箱有限公司 | For quick-frozen control method and the electronic refrigerator of electronic refrigerator |
| CN104061752A (en) * | 2014-04-25 | 2014-09-24 | 合肥华凌股份有限公司 | Control system of refrigerator and refrigerator |
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