CN103398539A - Refrigerator temperature controlling method utilizing approach parameters - Google Patents
Refrigerator temperature controlling method utilizing approach parameters Download PDFInfo
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- CN103398539A CN103398539A CN2013102999773A CN201310299977A CN103398539A CN 103398539 A CN103398539 A CN 103398539A CN 2013102999773 A CN2013102999773 A CN 2013102999773A CN 201310299977 A CN201310299977 A CN 201310299977A CN 103398539 A CN103398539 A CN 103398539A
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Abstract
The invention relates to a refrigerator temperature controlling method utilizing approach parameters. The refrigerator temperature controlling method includes: S1, setting a temperature T via a human-computer interaction interface; S2, acquiring a current temperature T1 of a refrigerating chamber; S3, comparing the acquired temperature T1 with the set temperature T logically, if T1 is not higher than T, stopping a refrigerating state and a refrigerating fan, and if T1 is higher than T, performing the S4; S4, calculating a parameter R describing an approach degree, if R is not smaller than 0.8 and smaller than 1, stopping the refrigerating state and operation of the refrigerating fan, if R is not smaller than 0.6 and smaller than 0.8, adjusting a rotating speed of a compressor to 60% of the maximum rotating speed of the compressor and stabilizing the rotating speed of the refrigerating fan, if R is not smaller than 0.4 and smaller than 0.6, adjusting the rotating speed of the compressor to 80% of the maximum rotating speed of the compressor and stabilizing the rotating speed of the refrigerating fan, and if the R is not smaller than 0 and smaller than 0.4, adjusting the rotating speed of the compressor to 100% of the maximum rotating speed of the compressor and stabilizing the rotating speed of the refrigerating fan.
Description
Technical field
The present invention relates to a kind of refrigerator temperature control method of utilizing approaching parameter, the inventive method also can be applicable to refrigerator-freezer, wine cabinet, ice machine, refrigerating box.
Background technology
Along with growth in the living standard, refrigerator has become the necessity of life at home, and people are also more and more higher to the requirement that temperature is accurately controlled in each chamber of refrigerator.Refrigerator temperature is in the past controlled and all is based on deterministic control strategy, is namely by picking up directly relatively realizing of temperature and design temperature.
Existing refrigerator temperature is controlled, and as Chinese patent, application number is 201210413861.3, and name is called control method and the refrigerator of refrigerator, comprises the steps: to gather the current environmental temperature of the residing environment of refrigerator; Second temperature range at the environment temperature place whether the first temperature range that judges described current environmental temperature place gathers with the last time is that same temperature is interval; , if the described temperature difference is less than or equal to described predetermined temperature, keep the mode of operation of described refrigerator constant; If it is mode of operation corresponding to the first temperature range that the described temperature difference, greater than described predetermined temperature, changes the mode of operation of described refrigerator, wherein, in different mode of operations, the starting point temperature of refrigeration for refrigerator is different with the break point temperature.The present invention avoids changing when the not stall of the ring temperature startup-shutdown point temperature of refrigerator during ceaselessly two temperature range critical points left and right fluctuations, thus realize to the temperature of refrigerator accurately, stable control.This patent is mainly according to environment temperature, and takes different control strategies.
And for example application number is 03126145.0, and name is called the control method of refrigerator temperature, and it carries out according to the following steps: A. is divided into startup-shutdown temperature range more than three or three with the refrigerating chamber duty, and each startup-shutdown temperature range is corresponding to a work gear; B., to the sampling of refrigeration indoor environment temperature, send this probe temperature to the refrigerator main control chip; C. the refrigerator main control chip is by reading probe temperature, and the startup-shutdown temperature corresponding according to the gear of actual set carried out break-make control to current compressor and magnetic valve.Whether freeze owing to directly with certain temperature spot of refrigerating chamber box house, controlling refrigerating chamber, can reflect more accurately the actual temperature of refrigerating chamber box house,, namely to the Actual Control Effect of Strong of refrigerator, make the food of storage have longer memory time.Whether in addition, control refrigerating chamber with certain temperature spot of refrigerating chamber box house and freeze, near the range of temperature little (0 ℃-10 ℃) sensor, be conducive to the selection of sensor.This patent is divided into three intervals with compartment temperature, and adopts different countermeasures.
Application number is 200310118305.4 for another example, name is called the temperature-controlled process of refrigerator, control method comprises: first step, the detected temperatures of refrigerating chamber and refrigerating chamber upper limit design temperature and refrigerating chamber lower limit set temperature are compared, and make compressor and circulating fan start/close, make the detected temperatures arrival refrigerating chamber upper limit design temperature of refrigerating chamber and the scope between the lower limit set temperature; Second step, after first step, the detected temperatures of refrigerating chamber and refrigerating chamber upper limit design temperature and refrigerating chamber lower limit set temperature are compared, and make damper and circulating fan start/close, make the detected temperatures arrival refrigerating chamber upper limit design temperature of refrigerating chamber and the scope between the lower limit set temperature; And third step,, if compressor and circulating fan starting in first step, damper is airtight in second step, make cold air drainage at least one space in a plurality of refrigerating spaces of refrigerating chamber.This patent is mainly the bound of relatively picking up temperature and design temperature.
What above-mentioned refrigerator control system adopted is mainly deterministic control method, (for example namely judge a certain index, temperature, humidity, time etc.) whether reach setting value, or index of correlation is divided between different cog regions, then start next step workflow (for example, switch compressor, blower fan, defrost etc.).Although and the difference that deterministic determination methods can Direct function description be picked up temperature and design temperature, can not describe out the approaching degree of picking up temperature and design temperature (as, pick up temperature and design temperature to differ 1
oC, 3
oC, 5
oThe concrete difference such as C).And in the refrigerator refrigeration system temperature is controlled, according to the approaching degree of picking up temperature and design temperature, adopt corresponding strategy, and can improve compartment temperature accurately to control, accomplish self-adaptive temperature control, play the purpose that promotes the refrigeration for refrigerator ability, reduces simultaneously energy consumption.
Summary of the invention
Technical problem to be solved by this invention is, a kind of refrigerator temperature control method of utilizing approaching parameter is provided, it is convenient to, and temperature control program is realized and the satisfied requirement of accurately controlling temperature, and can carry out to the product of varying environment temperature or climate type adaptive temperature and control.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of refrigerator temperature control method of utilizing approaching parameter, and it comprises the following steps:
S1: by human-computer interaction interface design temperature T;
S2: pick up refrigerating chamber Current Temperatures T1;
S3: to picking up temperature T 1, with design temperature T, carry out logic relatively:
If T1≤T adopts control strategy A: stop refrigerating state, and stop refrigerating fan;
If T1〉T, proceed to S4;
S4: calculate the parameters R of describing approaching degree:
If control strategy B is adopted in 0.8≤R＜1: stop simultaneously refrigerating state and the operation of refrigeration fan;
If control strategy C is adopted in 0.6≤R＜0.8: adjusting compressor rotary speed is 60% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan;
If control strategy D is adopted in 0.4≤R＜0.6: adjusting compressor rotary speed is 80% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan;
If control strategy E is adopted in 0≤R＜0.4: adjusting compressor rotary speed is 100% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan.
Design temperature T is 5
oC
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by to picking up the temperature computation proximity function, be used for describing the approaching degree of picking up temperature and design temperature, take different countermeasures, can improve compartment temperature accurately controls, accomplish self-adaptive temperature control, play and promote the refrigeration for refrigerator ability, reduce simultaneously the purpose of energy consumption, and can carry out to the product of varying environment temperature or climate type adaptive temperature and control.
Description of drawings
Fig. 1 is the theory diagram that the present invention utilizes the refrigerator temperature control system of approaching parameter;
Fig. 2 is the proximity function curve map that picks up temperature T 1 and design temperature T;
Fig. 3 is the refrigerator temperature control method flow chart that the present invention utilizes approaching parameter.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Pin of the present invention is only controlled for refrigerator separate room room temperature and the temperature sensor number is that the operating mode of 1 realizes, with this as an example.Utilize the design philosophy of this patent, can be used in the operating mode of refrigerator multi-chamber, many temperature sensors., according to picking up temperature T 1 and design temperature T, can calculate the proximity function of T1 and T, R=exp (abs (T1-T)/T).Fig. 2 has shown that working as the refrigerating chamber design temperature is 5
oThe curve of proximity function R during C, as can be seen from Figure 2, T1 is more near T, and R more more departs from T close to 1, T, and R more trends towards 0.Therefore, proximity function R can well describe the approaching degree of picking up temperature T 1 and design temperature T, and uses this as the foundation of taking different control strategies.
Numerical value according to the parameters R of describing approaching degree, can be divided into different intervals,, as 0.8≤R＜1,0.6≤R＜0.8,0.4≤R＜0.6,0≤R＜0.4, can set different control strategies.For the example of chamber, separate room, single temperature sensor, specifically control flow is as shown in Figure 3:
S1: by human-computer interaction interface design temperature T;
S2: pick up refrigerating chamber Current Temperatures T1;
S3: to picking up temperature T 1, with design temperature T, carry out logic relatively:
If T1≤T, adopt control strategy A(to stop refrigerating state, and stop refrigerating fan);
If T1〉T, proceed to S4;
S4: calculate the parameters R of describing approaching degree:
, if 0.8≤R＜1, adopt between control strategy B(local area and to embody that to pick up temperature T 1 good with the approaching degree of design temperature T,, therefore adopt the control strategy identical with A, namely stop simultaneously refrigerating state and move with the refrigeration fan);
If 0.6≤R＜0.8, adopt control strategy C(for departure degree, adjusting compressor rotary speed is 60% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan);
If 0.4≤R＜0.6, adopt control strategy D(for departure degree, adjusting compressor rotary speed is 80% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan);
If 0≤R＜0.4, adopt this kind of control strategy E(operating mode to be judged as to pick up temperature and design temperature to depart from larger, adjusting compressor rotary speed is 100% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan).
Through the circulation of a plurality of flow processs, cold compartment of refrigerator picks up temperature T 1 temperature and can approach to design temperature T gradually, and can keep good accuracy and stability at the design temperature annex.
In this example, owing to having introduced approaching parameter, can describe cold compartment of refrigerator and pick up temperature and control approaching degree with design temperature, therefore, this patent also can be used for reference the parameter that calculates and be applied in deterministic control mode.
Judgement parameters R in the present invention, described the approaching degree of picking up temperature and design temperature, and is as identical with design temperature in 1 representative, and 0 representative, at a distance of infinity (perfect condition), more more shows with design temperature close with design temperature near 1.Can, for R sets different intervals,, according to the approaching degree with design temperature, can take different control strategies; The describing method of the approaching degree of relevant parameter of the present invention, can be used in the operating mode of multi-chamber, many temperature sensors.
Obviously, the above embodiment of the present invention is only for example of the present invention clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (2)
1. a refrigerator temperature control method of utilizing approaching parameter, is characterized in that, comprises the following steps:
S1: by human-computer interaction interface design temperature T;
S2: pick up refrigerating chamber Current Temperatures T1;
S3: to picking up temperature T 1, with design temperature T, carry out logic relatively:
If T1≤T adopts control strategy A: stop refrigerating state, and stop refrigerating fan;
If T1〉T, proceed to S4;
S4: calculate the parameters R of describing approaching degree:
If control strategy B is adopted in 0.8≤R＜1: stop simultaneously refrigerating state and the operation of refrigeration fan;
If control strategy C is adopted in 0.6≤R＜0.8: adjusting compressor rotary speed is 60% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan;
If control strategy D is adopted in 0.4≤R＜0.6: adjusting compressor rotary speed is 80% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan;
If control strategy E is adopted in 0≤R＜0.4: adjusting compressor rotary speed is 100% of maximum compression machine rotating speed, and continuous service refrigeration rotation speed of the fan.
2. the refrigerator temperature control method of utilizing approaching parameter according to claim 1, is characterized in that, design temperature T is 5
oC。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015006973A1 (en) * | 2013-07-19 | 2015-01-22 | 海信容声(广东)冰箱有限公司 | Refrigerator temperature control method using approach parameter |
| CN104913571A (en) * | 2015-06-25 | 2015-09-16 | 合肥美的电冰箱有限公司 | Variable frequency refrigerator and control method thereof |
| CN109682161A (en) * | 2018-11-29 | 2019-04-26 | 佛山市百益德电器科技有限公司 | A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system |
| CN113418350A (en) * | 2021-06-25 | 2021-09-21 | 长虹美菱股份有限公司 | Refrigeration temperature regulation control system and control method thereof |
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2013
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015006973A1 (en) * | 2013-07-19 | 2015-01-22 | 海信容声(广东)冰箱有限公司 | Refrigerator temperature control method using approach parameter |
| CN104913571A (en) * | 2015-06-25 | 2015-09-16 | 合肥美的电冰箱有限公司 | Variable frequency refrigerator and control method thereof |
| CN104913571B (en) * | 2015-06-25 | 2017-09-19 | 合肥美的电冰箱有限公司 | The control method of frequency conversion refrigerator and frequency conversion refrigerator |
| CN109682161A (en) * | 2018-11-29 | 2019-04-26 | 佛山市百益德电器科技有限公司 | A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system |
| CN113418350A (en) * | 2021-06-25 | 2021-09-21 | 长虹美菱股份有限公司 | Refrigeration temperature regulation control system and control method thereof |
| CN113418350B (en) * | 2021-06-25 | 2022-06-07 | 长虹美菱股份有限公司 | Refrigeration temperature regulation control system and control method thereof |
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| CN103398539B (en) | 2015-07-29 |
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