CN115468363B - Refrigerator, defrosting control method and storage medium - Google Patents

Refrigerator, defrosting control method and storage medium Download PDF

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Publication number
CN115468363B
CN115468363B CN202211167985.8A CN202211167985A CN115468363B CN 115468363 B CN115468363 B CN 115468363B CN 202211167985 A CN202211167985 A CN 202211167985A CN 115468363 B CN115468363 B CN 115468363B
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China
Prior art keywords
defrosting
frosting
compartments
compressor
maximum
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CN202211167985.8A
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CN115468363A (en
Inventor
张玉昊
李琦
辛海亚
陈艳君
柳诗语
王飞
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Gree Electric Appliances Inc of Zhuhai
Hefei Kinghome Electrical Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Hefei Kinghome Electrical Co Ltd
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Priority to CN202211167985.8A priority Critical patent/CN115468363B/en
Publication of CN115468363A publication Critical patent/CN115468363A/en
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    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/004—Control mechanisms
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • 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
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention discloses a refrigerator, a defrosting control method and a storage medium. The defrosting control method comprises the following steps: step 1, when the current defrosting interval time is smaller than the maximum defrosting interval time, acquiring the current frosting quantity and a corresponding threshold coefficient; step 2, determining the dynamic frosting quantity according to the use conditions of all compartments after the previous defrosting is finished; step 3, judging whether the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold value coefficient is larger than or equal to the maximum frosting quantity; if yes, defrosting treatment is carried out; if not, returning to the step 1 to continue to execute defrosting judgment when the next preset time interval arrives. Compared with the prior art, the invention can more accurately determine the frosting quantity, thereby realizing accurate frosting.

Description

Refrigerator, defrosting control method and storage medium
Technical Field
The invention relates to the technical field of defrosting, in particular to a defrosting control method for a refrigerator.
Background
Defrosting is the necessary conventional operation of refrigeration equipment such as a refrigerator, a freezer, a refrigeration container and the like, and three modes exist in the common defrosting control method of the air-cooled refrigerator at the present stage. The three modes of defrosting are respectively as follows: the whole machine is subjected to timing defrosting, timing defrosting and variable defrosting.
The timing defrosting of the whole machine and the timing defrosting of the compressor cannot match with the actual defrosting requirement due to fixed defrosting intervals. Thus, manufacturers are dedicated to study various optimization approaches for variable defrosting.
Taking a refrigerator as an example, the current variable defrosting technology mainly evaluates the frosting quantity of the evaporator by checking parameters such as the accumulated running time of the compressor, the opening and closing times of the refrigerator, the opening time, the running time of the fan, the temperature change of a sensor on the evaporator and the temperature change of a room temperature, and further adjusts the next defrosting interval time.
However, in the actual use process of the user, the use environment of the user, the quantity and the types of stored articles are very different, so that the frosting rate can be greatly changed, and the accuracy of evaluating the frosting quantity by the current commonly used frosting control method is further affected.
The prior variable defrosting technology also has the condition that a user opens the door to store articles, and the temperature of the compartment does not reach the requirement to enter defrosting.
Therefore, how to provide a method for controlling defrosting more accurately is a technical problem to be solved by the industry.
Disclosure of Invention
In order to solve the technical problem that the variable defrosting technology in the prior art is inaccurate in controlling defrosting, the invention provides a refrigerator, a defrosting control method and a storage medium.
The defrosting control method provided by the invention comprises the following steps:
step 1, when the current defrosting interval time is smaller than the maximum defrosting interval time, acquiring the current frosting quantity and a corresponding threshold coefficient;
step 2, determining the dynamic frosting quantity according to the use conditions of all compartments after the previous defrosting is finished;
step 3, judging whether the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold value coefficient is larger than or equal to the maximum frosting quantity; if yes, defrosting treatment is carried out; if not, returning to the step 1 to continue to execute defrosting judgment when the next preset time interval arrives.
Further, the threshold coefficient is obtained by:
calculating the percentage of the current frosting quantity to occupy the maximum frosting quantity;
and determining the threshold coefficient according to the percentage interval in which the percentage falls and the value of the threshold coefficient corresponding to the percentage interval.
Further, after the step 2 is performed and before the step 3 is performed, the method further includes: determining the minimum cycle checking time and/or the maximum cycle checking time for all compartments to recover to a preset state according to the use condition of all compartments after the previous defrosting is finished;
in the step 3, according to the relation between the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold coefficient and the maximum frosting quantity, selecting the minimum cycle checking time or the maximum cycle checking time to check whether all compartments are restored to the corresponding preset state, and simultaneously, controlling the compressor according to the requirements of compartment restoration in combination with the state of the compressor;
and when the defrosting process is required to be performed in the step 3, performing the defrosting process after all compartments are restored to the corresponding preset states.
Further, in the step 3, when the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is greater than or equal to the maximum frosting amount, and the compressor is in the refrigeration mode, checking whether all compartments are restored to the corresponding preset state every interval by using the minimum cycle checking time, and executing the defrosting process after all compartments are restored to the corresponding preset state.
Further, in the step 3, when the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is greater than or equal to the maximum frosting amount, and the compressor is stopped, judging whether all compartments are restored to the corresponding preset state, if not, controlling the compressor to operate in the refrigeration mode, checking whether all compartments are restored to the corresponding preset state every interval by using the minimum cycle checking time, and when all compartments are restored to the corresponding preset state, controlling the compressor to stop and performing defrosting treatment.
Further, in the step 3, when the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is smaller than the maximum frosting amount, and the compressor is stopped, judging whether all compartments are restored to the corresponding preset state, if not, controlling the compressor to operate in the refrigeration mode, checking whether all compartments are restored to the corresponding preset state every time of maximum cycle checking time, and when all compartments are restored to the corresponding preset state, controlling the compressor to stop.
Further, in the step 3, when the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is smaller than the maximum frosting amount and the compressor is in the refrigeration mode, the minimum cycle checking time is checked every interval, and whether all compartments are restored to the corresponding preset states is checked.
Further, the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is more than or equal to the maximum frosting quantity, and the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is less than the maximum frosting quantity.
Further, the running refrigeration mode of the compressor and the shutdown of the compressor are recorded through different values of the second flag bit.
Further, when the service condition of the refrigeration equipment and/or the operation condition of the refrigeration equipment corresponding to the compartment reach the preset condition, triggering the first execution of the step 1.
The refrigerator provided by the invention comprises a controller, wherein the controller adopts the defrosting control method disclosed by the technical scheme to perform defrosting control on the refrigerator.
The computer readable storage medium is used for storing a computer program, and the computer program executes the defrosting control method according to the technical scheme when running.
The invention detects the current frosting quantity and calculates the dynamic frosting quantity according to the use condition of the user, thereby having more accurate estimation on the frosting quantity of refrigeration equipment such as a refrigerator, a freezer and the like and improving the control accuracy of frosting. Meanwhile, the invention also adopts different time intervals to detect that the compartments are restored to the corresponding preset states under different conditions, thereby not only achieving the effect of energy conservation, but also realizing timely defrosting and avoiding the influence of defrosting on the use of users.
Drawings
The invention is described in detail below with reference to examples and figures, wherein:
FIG. 1 is a main flow chart of an embodiment of the present invention.
Fig. 2 is a detailed flow chart of another embodiment of the present invention.
Fig. 3 is a detailed flow chart of yet another embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Thus, reference throughout this specification to one feature will be used in order to describe one embodiment of the invention, not to imply that each embodiment of the invention must be in the proper motion. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.
As shown in fig. 1, the defrosting control method proposed by the present invention may generally include the following three main steps in one embodiment.
Step 1, when the current defrosting interval time is smaller than the maximum defrosting interval time, acquiring the current frosting quantity and a corresponding threshold coefficient;
step 2, determining the dynamic frosting quantity according to the use conditions of all compartments after the previous defrosting is finished;
step 3, judging whether the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold value coefficient is larger than or equal to the maximum frosting quantity; if yes, defrosting treatment is carried out; if not, returning to the step 1 to continue to execute defrosting judgment when the next preset time interval arrives.
Through the three main steps, the refrigeration equipment such as a refrigerator, a freezer, a refrigeration container and the like can finish dynamic judgment of defrosting conditions according to the existing frosting quantity and the dynamic frosting quantity, so that more accurate defrosting is realized. The above compartments refer to storage spaces for storing refrigerated or frozen objects corresponding to different refrigeration devices.
The specific value of the threshold coefficient Sn can be obtained through calculation of historical data by adopting a corresponding algorithm, and can also be obtained according to empirical data. In one embodiment, the threshold coefficient may be obtained by the following steps.
Firstly, calculating the percentage of the current frosting quantity to the maximum frosting quantity;
and determining the threshold coefficient according to the percentage interval in which the percentage falls and the value of the threshold coefficient corresponding to the percentage interval.
For example, in the specific embodiment, the current frosting quantity is denoted as Hn, the maximum frosting quantity is denoted as Hmax, the threshold coefficient is denoted as Sn, and the following scheme may be adopted for determining the threshold coefficient Sn according to the percentage of the current frosting quantity Hn occupying the maximum frosting quantity Hmax.
When the existing frosting quantity Hn is less than or equal to 15% of Hmax, namely Hn/Hmax is less than or equal to 15%, sn is 2;
when the existing frosting quantity Hn is more than 15% of Hmax and less than or equal to 50% of Hmax, namely 15% < Hn/Hmax less than or equal to 50%, sn is 1.5;
when the existing frosting quantity Hn is greater than 50% of Hmax and less than or equal to 85% of Hmax, namely 50% < Hn/Hmax less than or equal to 85%, sn is 1.2;
when the existing frosting quantity Hn is more than 85% of Hmax, namely Hn/Hmax is more than 85%, sn is 1.0.
The specific value of Sn is obtained by counting a large amount of raw data aiming at a refrigerator with a specific model, and the specific value of Sn is not limited to the specific value.
In one embodiment, the defrosting process is not performed directly, but performed again when all compartments are restored to the corresponding preset state, so that the defrosting control process does not affect the use of the user, and the user is ensured to normally use the refrigeration equipment such as the refrigerator.
In one embodiment, after the step 2 is performed and before the step 3 is performed, the method further includes: and determining the minimum cycle checking time tmin and/or the maximum cycle checking time tmax for all the compartments to be restored to the preset state according to the use condition of all the compartments after the previous defrosting is finished. These two times are used to check whether all compartments have returned to the corresponding preset state.
When the step 3 is executed, according to the relation between the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient and the maximum frosting quantity, the minimum cycle checking time or the maximum cycle checking time is selected to check whether all compartments are restored to the corresponding preset state, and meanwhile, the state of the compressor is combined, and the compressor is controlled according to the requirements of compartment restoration.
And (3) when the defrosting process is required to be performed in the step (3), performing the defrosting process after all compartments are restored to the corresponding preset states.
When the defrosting process is not needed to be executed in the step 3, and the next preset time interval arrives, returning to the step 1 to continue to execute the defrosting judgment, adopting corresponding cycle checking time to check whether all compartments are restored to corresponding preset states in the process of waiting for the arrival of the preset time interval, and starting to restart judging whether the current defrosting interval time is smaller than the maximum defrosting interval time even if the preset time interval arrives, so that the process of restoring the compartments is not influenced, and the use of a user is not influenced.
Based on the relationship between the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient and the maximum frosting amount and the state of the compressor, there are the following four cases.
When the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is larger than or equal to the maximum frosting quantity, and the compressor is in a refrigerating mode, checking whether all compartments are restored to the corresponding preset state or not once every interval by minimum cycle checking time, and executing defrosting treatment after all compartments are restored to the corresponding preset state.
When the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is larger than or equal to the maximum frosting quantity, stopping the compressor, judging whether all compartments are restored to the corresponding preset state, if not, controlling the compressor to operate in a refrigerating mode, checking whether all compartments are restored to the corresponding preset state every interval by using the minimum cycle checking time, and controlling the compressor to stop and perform defrosting treatment when all compartments are restored to the corresponding preset state.
When the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is smaller than the maximum frosting quantity, stopping the compressor, judging whether all compartments are restored to the corresponding preset state, if not, controlling the compressor to operate in a refrigeration mode, checking whether all compartments are restored to the corresponding preset state every time the maximum cycle checking time is needed, and controlling the compressor to stop when all compartments are restored to the corresponding preset state.
When the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is smaller than the maximum frosting quantity and the compressor is in a refrigerating mode, checking whether all compartments are restored to the corresponding preset states or not once every interval of minimum cycle checking time.
The above-mentioned process is judged through the state of joining the compressor for refrigeration plant such as refrigerator can in time control the compressor, makes the operation of compressor can satisfy user's user demand, also can in time shut down simultaneously, realizes energy-conserving effect.
In one embodiment, all the above steps are not determined in real time, which may cause a large control load, and the present invention triggers the first execution of step 1 only when the usage of the refrigeration apparatus (such as a refrigerator) and/or the operation of the refrigeration apparatus reach a preset condition. For example, the use condition of the refrigerator may include at least one of the number of times the user opens the door to access the article, the duration of a single opening the door, and the like. And the operation condition of the refrigerator may include at least one of a cumulative operation time of the refrigerator, a single operation time of the refrigerator, and the like.
Fig. 2 is a specific embodiment of the present invention in which the refrigerating apparatus is used by the user only once since the previous defrosting is finished, for example, the user has stored/fetched the article once, and the minimum cycle check time and the maximum cycle check time occurring in the above-described process may take the same value ti.
When the defrosting judgment flow is started to execute the step 1, judging whether the defrosting interval time T is smaller than the maximum defrosting interval Tmax or not, if so, indicating that defrosting is needed, and directly controlling the compressor to stop at the moment to defrost. If the defrosting interval time is smaller than the maximum defrosting interval, the current frosting quantity is obtained, and the current frosting quantity is judged to occupy the percentage of the maximum frosting quantity, so that the threshold value coefficient Sn is obtained.
And judging whether the sum of the current frosting quantity and the dynamic frosting quantity is larger than or equal to the maximum frosting quantity by dividing the sum by a threshold coefficient, if so, judging whether all compartments of the refrigeration equipment are restored to the corresponding preset state or not at intervals ti, and if so, stopping the compressor and starting defrosting. At this time, defrosting is realized as soon as possible, and the use of users is not affected.
If the sum of the current frosting quantity and the dynamic frosting quantity is smaller than the maximum frosting quantity, the situation that defrosting is not needed is indicated, at the moment, whether all compartments of the refrigeration equipment are restored to the corresponding preset state is judged at each interval time ti, and if all the compartments are restored to the corresponding preset state, the compressor is stopped, so that energy conservation and environmental protection are realized.
Fig. 3 is another embodiment of the present invention in which there are multiple uses of the refrigeration appliance by the user since the end of the previous defrost. In order to better explain the flow and to facilitate programming realization, when describing, the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold coefficient is larger than or equal to the maximum frosting quantity, and the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold coefficient is smaller than the maximum frosting quantity. targ1=0 means that the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by the threshold value coefficient is smaller than the maximum frosting quantity, and the frosting condition is not satisfied; targ1=1 indicates that the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is greater than or equal to the maximum frosting amount, and the frosting condition is satisfied. And recording the running refrigeration mode of the compressor and the shutdown of the compressor through different values of the second flag bit tag 2. targ2=1 represents a compressor operation refrigeration mode; targ2=0 indicates that the compressor is off.
When the defrosting judgment flow is started, and the step 1 is started, judging whether the defrosting interval time T is smaller than the maximum defrosting interval Tmax, if so, indicating that the tag needs to be set to 0, controlling the compressor to stop, and entering the defrosting program. If the value is smaller than the preset value, acquiring values of tag1 and tag2, determining the service condition of refrigeration equipment (such as a refrigerator) after the previous defrosting is finished, and determining a minimum cycle check time and a maximum cycle check time according to the currently determined use condition.
Judging whether the tag2 is 1, namely whether the compressor is in a running refrigeration mode, if the tag2 is not 1, stopping the compressor, judging whether the tag1 is 1, if the tag1 is 1, indicating that a defrosting condition is achieved, at the moment, the tag2 is set to be 1, controlling the compressor to run the refrigeration mode, judging whether each compartment is restored to a corresponding preset state or not according to the minimum cycle checking time, for example, judging whether each compartment is restored to a corresponding target temperature, controlling the compressor to stop immediately once the compartment is restored, and performing defrosting (the defrosting can be performed in an electric heating mode).
If tag2 is not 1, the compressor is stopped, tag1 is judged to be 0, namely, the defrosting condition is not achieved at present, at the moment, whether each compartment is restored to the corresponding preset state is judged, if so, the compressor is stopped continuously, T < Tmax is judged again for the next preset interval time, if not, tag2 is set to be 1, the compressor is controlled to run in a refrigerating mode, whether each compartment is restored to the corresponding preset state is judged every interval maximum cycle checking time, and when each compartment is restored to the preset state, the compressor can be controlled to stop, and tag 2=0.
If tag2 is equal to 1, that is, the compressor operates in the refrigeration mode, it is determined whether tag1 is 1, if tag1 is 1, it is indicated that a defrosting condition is achieved, it is determined whether each compartment is restored to a corresponding preset state every minimum cycle check time, for example, it may be determined whether each compartment is restored to a corresponding target temperature, the compressor may be immediately controlled to stop once restored, tag 2=0, and defrosting is performed (defrosting may be performed by adopting an electric heating mode).
If tag2 is equal to 1, that is, the compressor runs in the refrigeration mode, it is judged that tag1 is not 1 at this time, and the condition of defrosting is not achieved, whether each compartment is restored to a corresponding preset state is judged every maximum cycle checking time, and when each compartment is restored to the preset state, the compressor can be controlled to stop, and tag 2=0.
In the above process, the present invention can directly sense the current frosting quantity Hn through the ceramic sensor provided on the evaporator. And the dynamic frosting quantity can be related to the use condition of the user according to a large amount of experimental data.
The invention also provides a refrigerator, which comprises a controller, wherein the controller adopts the defrosting control method described in the technical scheme to perform defrosting control on the refrigerator.
The invention protects a computer readable storage medium for storing a computer program which when run performs the defrosting control method described in the above technical scheme.
According to the defrosting control method provided by the invention, when the use condition of a user is only once, namely the single-task defrosting control method, a ceramic sensor arranged on an evaporator is used for directly measuring the frosting quantity and the corresponding threshold value coefficient Sn on the evaporator; according to the use condition of a user and/or the state operation (running condition) of the refrigeration equipment, determining the corresponding dynamic frosting quantity Hs and time ti according to the preset state; whether the defrosting condition is met or not is judged by judging whether Hn+Hs/Sn is larger than or equal to Hmax, time ti is given, and whether the corresponding preset state of the compartment is restored or not is detected every interval time ti, so that the influence of defrosting on the use of a user is reduced, and the accurate defrosting is completed.
When the use condition of a user is multiple, namely, the multitask defrosting control method is adopted, a tag1 whether to reach defrosting conditions and a tag2 whether to enter a refrigeration mode are added on the basis of the multitask control method; the determination of the minimum cycle checking time tmin and the maximum cycle checking time tmax is completed through the combination of tag1 and tag2 judgment conditions; based on the values of different tags 1 and tag2, corresponding checking time is selected, whether each compartment reaches the temperature required by the compartment is judged, whether the compartment reaches the required temperature is further determined, or whether the compartment is continued to be subjected to defrosting is determined, so that the influence of defrosting on the use of a user and the requirement of accurate defrosting under the asynchronous multitasking condition are reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (11)

1. A defrosting control method, characterized by comprising:
step 1, when the current defrosting interval time is smaller than the maximum defrosting interval time, acquiring the current frosting quantity and a corresponding threshold coefficient;
step 2, determining the dynamic frosting quantity according to the use conditions of all compartments after the previous defrosting is finished;
step 3, judging whether the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold value coefficient is larger than or equal to the maximum frosting quantity; if yes, defrosting treatment is carried out; if not, returning to the step 1 to continue defrosting judgment when the next preset time interval arrives;
after the step 2 is executed and before the step 3 is executed, the method further comprises: determining the minimum cycle checking time and/or the maximum cycle checking time for all compartments to recover to a preset state according to the use condition of all compartments after the previous defrosting is finished;
in the step 3, according to the relation between the value obtained by dividing the sum of the current frosting quantity and the dynamic frosting quantity by a threshold coefficient and the maximum frosting quantity, selecting the minimum cycle checking time or the maximum cycle checking time to check whether all compartments are restored to the corresponding preset state, and simultaneously, controlling the compressor according to the requirements of compartment restoration in combination with the state of the compressor;
and when the defrosting process is required to be performed in the step 3, performing the defrosting process after all compartments are restored to the corresponding preset states.
2. The defrosting control method as claimed in claim 1, wherein the threshold coefficient is obtained by:
calculating the percentage of the current frosting quantity to occupy the maximum frosting quantity;
and determining the threshold coefficient according to the percentage interval in which the percentage falls and the value of the threshold coefficient corresponding to the percentage interval.
3. The defrosting control method as claimed in claim 1, wherein in the step 3, when a value obtained by dividing a sum of the current frosting quantity and the dynamic frosting quantity by a threshold coefficient is equal to or greater than a maximum frosting quantity and the compressor is operating in the cooling mode, a minimum cycle check time is checked every interval to check whether all compartments are restored to the corresponding preset state, and defrosting is performed after all compartments are restored to the corresponding preset state.
4. The defrosting control method of claim 1, wherein in the step 3, when a value obtained by dividing a sum of the current frosting amount and the dynamic frosting amount by a threshold coefficient is greater than or equal to a maximum frosting amount, and the compressor is stopped, judging whether all compartments are restored to a corresponding preset state, if not, controlling the compressor to operate in a refrigeration mode, and checking whether all compartments are restored to the corresponding preset state every interval by a minimum cycle checking time, and when all compartments are restored to the corresponding preset state, controlling the compressor to stop and performing defrosting treatment.
5. The defrosting control method of claim 1, wherein in the step 3, when the value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is smaller than the maximum frosting amount, and the compressor is stopped, judging whether all compartments are restored to the corresponding preset state, if not, controlling the compressor to operate in the refrigeration mode, and checking whether all compartments are restored to the corresponding preset state every time a maximum cycle check time is needed, and when all compartments are restored to the corresponding preset state, controlling the compressor to stop.
6. The defrosting control method as claimed in claim 1, wherein in the step 3, when a value obtained by dividing a sum of the current frosting quantity and the dynamic frosting quantity by a threshold coefficient is smaller than a maximum frosting quantity and the compressor is operating in the cooling mode, it is checked whether all compartments are restored to the corresponding preset state every interval of a minimum cycle check time.
7. The defrosting control method of any one of claims 4 to 6, wherein a value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by a threshold coefficient is greater than or equal to a maximum frosting amount, and a value obtained by dividing the sum of the current frosting amount and the dynamic frosting amount by the threshold coefficient is less than the maximum frosting amount, by different values of the first flag bit.
8. The defrosting control method of any one of claims 4 to 6, wherein the compressor operation cooling mode and the compressor shutdown are recorded by different values of the second flag bit.
9. The defrosting control method of claim 1, wherein the first execution of step 1 is triggered when the usage of the refrigeration equipment corresponding to the compartment and/or the operation of the refrigeration equipment reaches a preset condition.
10. A refrigerator comprising a controller, wherein the controller performs defrosting control of the refrigerator using the defrosting control method according to any one of claims 1 to 9.
11. A computer-readable storage medium storing a computer program, characterized in that the computer program, when run, performs the defrosting control method according to any one of claims 1 to 9.
CN202211167985.8A 2022-09-23 2022-09-23 Refrigerator, defrosting control method and storage medium Active CN115468363B (en)

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CN202211167985.8A CN115468363B (en) 2022-09-23 2022-09-23 Refrigerator, defrosting control method and storage medium

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CN115468363B true CN115468363B (en) 2023-08-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148769A (en) * 1997-11-17 1999-06-02 Hitachi Ltd Defrosting controller for refrigerator
JP2001215077A (en) * 2000-02-02 2001-08-10 Hitachi Ltd Defrost controller, method for controlling and refrigerator
CN108106298A (en) * 2017-11-24 2018-06-01 青岛海尔股份有限公司 Refrigerator, the defrosting control device of refrigerator and method
CN112556291A (en) * 2020-12-29 2021-03-26 珠海格力电器股份有限公司 Defrosting control method of air-cooled refrigerator and air-cooled refrigerator
CN114791191A (en) * 2022-04-25 2022-07-26 珠海格力电器股份有限公司 Refrigerator, defrosting control method and device thereof, and computer-readable storage medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148769A (en) * 1997-11-17 1999-06-02 Hitachi Ltd Defrosting controller for refrigerator
JP2001215077A (en) * 2000-02-02 2001-08-10 Hitachi Ltd Defrost controller, method for controlling and refrigerator
CN108106298A (en) * 2017-11-24 2018-06-01 青岛海尔股份有限公司 Refrigerator, the defrosting control device of refrigerator and method
CN112556291A (en) * 2020-12-29 2021-03-26 珠海格力电器股份有限公司 Defrosting control method of air-cooled refrigerator and air-cooled refrigerator
CN114791191A (en) * 2022-04-25 2022-07-26 珠海格力电器股份有限公司 Refrigerator, defrosting control method and device thereof, and computer-readable storage medium

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