CN108151424B - Defrosting control method and device, refrigerator and computer readable storage medium - Google Patents

Abstract

The invention provides a defrosting control method, a defrosting control device, a refrigerator and a computer readable storage medium, wherein the defrosting control method is suitable for the refrigerator and comprises the following steps: when the opening and closing of the door of the refrigerator are determined, replacing the original first preset defrosting period with a second preset defrosting period, wherein the second preset defrosting period is smaller than the first preset defrosting period; counting the accumulated working time of the refrigerator after the last defrosting operation; and when the accumulated working time is greater than or equal to the second preset defrosting period, executing defrosting operation, and replacing the original first preset defrosting period with the initial preset defrosting period. According to the technical scheme, the defrosting cycle is dynamically adjusted according to the door opening and closing condition in the actual using process of the refrigerator, so that the phenomenon that the using performance of the refrigerator is damaged due to the fact that defrosting operation is not executed due to too much frosting amount is reduced, and the phenomenon that energy is wasted due to the fact that defrosting operation is executed due to too little frosting amount is reduced.

Description

Defrosting control method and device, refrigerator and computer readable storage medium

Technical Field

The invention relates to the technical field of household appliance control, in particular to a defrosting control method, a defrosting control device, a refrigerator and a computer readable storage medium.

Background

In the related art, generally, the starting condition for executing the defrosting operation is that the accumulated door opening time reaches a certain time or the accumulated door opening and closing times reaches a certain value, or the defrosting period is shortened according to the last time of the defrosting operation, and the following technical defects exist:

(1) the starting condition for executing the defrosting operation is that the accumulated door opening time reaches a certain time or the accumulated door opening and closing times reaches a certain numerical value, and the accuracy of changing defrosting is poor without being combined with the accumulated working time of the refrigerator.

(2) The defrosting cycle is shortened according to the time length of the last defrosting operation, the number of times of opening and closing the door in the shortened defrosting cycle is easy to occur, and when the frosting amount is less, the defrosting operation is executed, so that resources are wasted.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, an object of the present invention is to provide a defrosting control method.

Another object of the present invention is to provide a defrosting control apparatus.

It is still another object of the present invention to provide a refrigerator.

It is yet another object of the present invention to provide a computer-readable storage medium.

In order to achieve the above object, a first aspect of the present invention provides a defrosting control method for a refrigerator, including: when the opening and closing of the door of the refrigerator are determined, replacing the original first preset defrosting period with a second preset defrosting period, wherein the second preset defrosting period is smaller than the first preset defrosting period; counting the accumulated working time of the refrigerator after the last defrosting operation; when the accumulated working time is longer than or equal to a second preset defrosting period, executing defrosting operation, and replacing the original first preset defrosting period with the initial preset defrosting period, wherein the initial preset defrosting period is not less than the first preset defrosting period.

In the technical scheme, when the opening and closing of the refrigerator are determined, the second preset defrosting period replaces the original first preset defrosting period, the second preset defrosting period is smaller than the first preset defrosting period, the door opening and closing condition in the actual use process of the refrigerator is used for dynamically reducing the defrosting period, the accuracy of the defrosting period is improved, the accumulated working time of the refrigerator after the last defrosting operation is counted to provide a data basis for the execution of the defrosting operation, the defrosting operation is executed when the accumulated working time is greater than or equal to the second preset defrosting period, and the original first preset defrosting period is replaced by the initial preset defrosting period, so that the dynamic adjustment of the defrosting period according to the actual use condition of the refrigerator is realized, on one hand, the occurrence of the phenomenon that the service performance of the refrigerator is damaged due to the fact that the defrosting operation is not executed because of excessive frosting amount is reduced, on the other hand, the energy waste phenomenon caused by the defrosting operation executed due to the over-low frosting amount is reduced.

It should be noted that the initial preset defrosting period is the maximum preset defrosting period that is recovered after the defrosting operation is performed.

In the above technical solution, preferably, the second preset defrosting period is obtained by subtracting a preset duration from the first preset defrosting period.

In the technical scheme, the second preset defrosting period is used for subtracting the preset time length from the first preset defrosting period, and a basis is provided for determining the second preset defrosting period, so that when the opening and closing of the refrigerator are determined, the preset defrosting period is sequentially shortened by the preset time length, and the defrosting operation can be further matched with the actual use condition of a user.

In any one of the above technical solutions, preferably, the preset duration ranges from 15S to 25S.

In the technical scheme, the value range of the preset time is 15S-25S, which is determined according to a large amount of investigation of the time for opening and closing the door of the refrigerator, the accuracy and the feasibility are high, and a large amount of experiments show that the defrosting period is more accurate when the general preset time is 20S.

In any one of the above technical solutions, preferably, the method further includes: detecting an external environment temperature of the refrigerator; and determining the preset time according to the external environment temperature, wherein the higher the external environment temperature is, the larger the preset time is.

According to the technical scheme, the accuracy of determining the preset time length is further improved by detecting the external environment temperature of the refrigerator and determining the preset time length according to the external environment temperature, wherein the fact that the external environment temperature is higher, the door opening and closing time is longer and the corresponding preset time length is longer is obtained according to a large amount of investigation of the time for opening and closing the door of the refrigerator.

Specifically, the investigation results of 150 families show that when the external environment temperature is 26-36 ℃, the freezing chamber is used for 45 times/averagely for 9 times, the average door opening and closing time is 21s, the refrigerating chamber is used for 79 times/averagely for 28 times, and the average door opening and closing time is 24 s; when the external environment temperature is 18-26 ℃, the freezing chamber is used for 22 times/5 times on average, the average door opening time is 20s, the refrigerating chamber is used for 81 times/23 times on average, and the average door opening time is 15 s; when the external environment temperature is 5 ℃ to 18 ℃, the freezing chamber is frozen 13 times/2 times on average, the average door opening time is 19s, the refrigerating chamber is frozen 75 times/12 times on average, and the average door opening time is 15s, so that the preset time period can be set to 24s corresponding to the external environment temperature of 26 ℃ to 36 ℃, the preset time period can be set to 20s corresponding to the external environment temperature of 18 ℃ to 26 ℃, the preset time period can be set to 19s corresponding to the external environment temperature of 5 ℃ to 18 ℃, or the preset time period can be set to the total average door opening time of 20s regardless of the external environment temperature.

It should be noted that the preset time length may also be set to different values for the opening and closing of the doors of different compartments.

In any one of the above technical solutions, preferably, the method further includes: acquiring a door opening and closing signal of the refrigerator in real time; detecting the temperature of the refrigerator room according to a preset period; and determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and/or the compartment temperature of the refrigerator.

In the technical scheme, the door opening and closing signals of the refrigerator are acquired in real time, so that the door opening and closing of the refrigerator can be determined, the temperature of the refrigerator compartment is detected according to the preset period, the door opening and closing of the refrigerator can be determined by judging the change of the temperature of the compartment, any one of the two modes can be adopted when the door opening and closing of the refrigerator is determined, the two modes can also be combined, and the accuracy of the determination of the door opening and closing of the refrigerator can be improved.

It should be noted that the preset period may be set to 30s-60s, and the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

It should be further noted that the door opening and closing of the refrigerator can be determined when the door opening and closing signal of the refrigerator is acquired, the door opening and closing of the refrigerator can also be determined when the room temperature rises, and the door opening and closing of the refrigerator can also be determined when the door opening and closing signal of the refrigerator is acquired and the room temperature rises.

In any one of the above technical solutions, preferably, determining whether the refrigerator opens or closes the door according to a door opening/closing signal of the refrigerator and a compartment temperature of the refrigerator includes: when a door opening and closing signal of the refrigerator is acquired, judging whether the compressor is in a running state or not; if the compressor is judged to be in the running state, determining the opening and closing of the refrigerator when the detected first compartment temperature is greater than the adjacent last detected second compartment temperature; and if the compressor is not in the running state, determining the opening and closing of the door of the refrigerator when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first chamber temperature and the second chamber temperature, and the second difference value is the difference between the last detected third chamber temperature adjacent to the second chamber temperature and the second chamber temperature.

According to the technical scheme, when the door opening and closing signal of the refrigerator is acquired, whether the compressor is in the running state is judged, and then whether the refrigerator is opened and closed is determined according to the detected room temperature according to whether the compressor is in the running state, so that the effective door opening and closing of the refrigerator is further improved, namely the determination of the door opening and closing of the refrigerator which is easy to froste is easily influenced.

It should be noted that the preset difference threshold may be 0.1-1 ℃.

In any one of the above technical solutions, preferably, preset defrosting period data arranged in sequence according to the size order is stored in advance, and the second preset defrosting period is data that is adjacent to the first preset defrosting period and is smaller than the first preset defrosting period in the preset defrosting period data.

In the technical scheme, the preset defrosting cycle data which are sequentially sorted according to the size sequence are stored in advance, and data basis is provided for the change adjustment of the preset defrosting cycle, wherein the preset defrosting cycle data can be an equal difference sequence which is sequentially reduced or a variation sequence which is sequentially reduced, namely, the difference between two adjacent data is different, the longer the refrigerator is accumulated, the easier the defrosting is, and the difference between two adjacent data is generally sequentially increased, so that the defrosting operation can be more suitable for the actual use condition of a user.

The technical scheme of the second aspect of the invention provides a defrosting control device, which is suitable for a refrigerator and comprises the following components: the replacing unit is used for replacing the original first preset defrosting period with a second preset defrosting period when the opening and closing of the door of the refrigerator are determined, wherein the second preset defrosting period is smaller than the first preset defrosting period; the counting unit is used for counting the accumulated working time of the refrigerator after the last defrosting operation; and the execution unit is used for executing defrosting operation when the accumulated working time is greater than or equal to a second preset defrosting period, and replacing the original first preset defrosting period with the initial preset defrosting period, wherein the initial preset defrosting period is not less than the first preset defrosting period.

In the technical scheme, when the opening and closing of the refrigerator are determined, the second preset defrosting period replaces the original first preset defrosting period, the second preset defrosting period is smaller than the first preset defrosting period, the door opening and closing condition in the actual use process of the refrigerator is used for dynamically reducing the defrosting period, the accuracy of the defrosting period is improved, the accumulated working time of the refrigerator after the last defrosting operation is counted to provide a data basis for the execution of the defrosting operation, the defrosting operation is executed when the accumulated working time is greater than or equal to the second preset defrosting period, and the original first preset defrosting period is replaced by the initial preset defrosting period, so that the dynamic adjustment of the defrosting period according to the actual use condition of the refrigerator is realized, on one hand, the occurrence of the phenomenon that the service performance of the refrigerator is damaged due to the fact that the defrosting operation is not executed because of excessive frosting amount is reduced, on the other hand, the energy waste phenomenon caused by the defrosting operation executed due to the over-low frosting amount is reduced.

It should be noted that the initial preset defrosting period is the maximum preset defrosting period that is recovered after the defrosting operation is performed.

In the above technical solution, preferably, the second preset defrosting period is obtained by subtracting a preset duration from the first preset defrosting period.

In the technical scheme, the second preset defrosting period is used for subtracting the preset time length from the first preset defrosting period, and a basis is provided for determining the second preset defrosting period, so that when the opening and closing of the refrigerator are determined, the preset defrosting period is sequentially shortened by the preset time length, and the defrosting operation can be further matched with the actual use condition of a user.

In any one of the above technical solutions, preferably, the preset duration ranges from 15S to 25S.

In the technical scheme, the value range of the preset time is 15S-25S, which is determined according to a large amount of investigation of the time for opening and closing the door of the refrigerator, the accuracy and the feasibility are high, and a large amount of experiments show that the defrosting period is more accurate when the general preset time is 20S.

In any one of the above technical solutions, preferably, the method further includes: a first detection unit for detecting an external ambient temperature of the refrigerator; the first determining unit is used for determining a preset time length according to the external environment temperature, wherein the higher the external environment temperature is, the longer the preset time length is.

According to the technical scheme, the accuracy of determining the preset time length is further improved by detecting the external environment temperature of the refrigerator and determining the preset time length according to the external environment temperature, wherein the fact that the external environment temperature is higher, the door opening and closing time is longer and the corresponding preset time length is longer is obtained according to a large amount of investigation of the time for opening and closing the door of the refrigerator.

Specifically, the investigation results of 150 families show that when the external environment temperature is 26-36 ℃, the freezing chamber is used for 45 times/averagely for 9 times, the average door opening and closing time is 21s, the refrigerating chamber is used for 79 times/averagely for 28 times, and the average door opening and closing time is 24 s; when the external environment temperature is 18-26 ℃, the freezing chamber is used for 22 times/5 times on average, the average door opening time is 20s, the refrigerating chamber is used for 81 times/23 times on average, and the average door opening time is 15 s; when the external environment temperature is 5 ℃ to 18 ℃, the freezing chamber is frozen 13 times/2 times on average, the average door opening time is 19s, the refrigerating chamber is frozen 75 times/12 times on average, and the average door opening time is 15s, so that the preset time period can be set to 24s corresponding to the external environment temperature of 26 ℃ to 36 ℃, the preset time period can be set to 20s corresponding to the external environment temperature of 18 ℃ to 26 ℃, the preset time period can be set to 19s corresponding to the external environment temperature of 5 ℃ to 18 ℃, or the preset time period can be set to the total average door opening time of 20s regardless of the external environment temperature.

It should be noted that the preset time length may also be set to different values for the opening and closing of the doors of different compartments.

In any one of the above technical solutions, preferably, the method further includes: the acquisition unit is used for acquiring a door opening and closing signal of the refrigerator in real time; the second detection unit is used for detecting the temperature of the refrigerator compartment according to a preset period; and the second determining unit is used for determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and/or the temperature of the compartment of the refrigerator.

In the technical scheme, the door opening and closing signals of the refrigerator are acquired in real time, so that the door opening and closing of the refrigerator can be determined, the temperature of the refrigerator compartment is detected according to the preset period, the door opening and closing of the refrigerator can be determined by judging the change of the temperature of the compartment, any one of the two modes can be adopted when the door opening and closing of the refrigerator is determined, the two modes can also be combined, and the accuracy of the determination of the door opening and closing of the refrigerator can be improved.

It should be noted that the preset period may be set to 30s-60s, and the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

It should be further noted that the door opening and closing of the refrigerator can be determined when the door opening and closing signal of the refrigerator is acquired, the door opening and closing of the refrigerator can also be determined when the room temperature rises, and the door opening and closing of the refrigerator can also be determined when the door opening and closing signal of the refrigerator is acquired and the room temperature rises.

In any one of the above technical solutions, preferably, the method further includes: the judging unit is used for judging whether the compressor is in a running state or not when a door opening and closing signal of the refrigerator is acquired; the second determination unit is further configured to: if the compressor is judged to be in the running state, determining the opening and closing of the refrigerator when the detected first compartment temperature is greater than the adjacent last detected second compartment temperature; the second determination unit is further configured to: and if the compressor is not in the running state, determining the opening and closing of the door of the refrigerator when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first chamber temperature and the second chamber temperature, and the second difference value is the difference between the last detected third chamber temperature adjacent to the second chamber temperature and the second chamber temperature.

According to the technical scheme, when the door opening and closing signal of the refrigerator is acquired, whether the compressor is in the running state is judged, and then whether the refrigerator is opened and closed is determined according to the detected room temperature according to whether the compressor is in the running state, so that the effective door opening and closing of the refrigerator is further improved, namely the determination of the door opening and closing of the refrigerator which is easy to froste is easily influenced.

It should be noted that the preset difference threshold may be 0.1-1 ℃.

In any one of the above technical solutions, preferably, the method further includes: the storage unit is used for pre-storing preset defrosting period data which are sequentially arranged according to the size sequence, and the second preset defrosting period is data which are adjacent to the first preset defrosting period in the preset defrosting period data and are smaller than the first preset defrosting period.

In the technical scheme, the preset defrosting cycle data which are sequentially sorted according to the size sequence are stored in advance, and data basis is provided for the change adjustment of the preset defrosting cycle, wherein the preset defrosting cycle data can be an equal difference sequence which is sequentially reduced or a variation sequence which is sequentially reduced, namely, the difference between two adjacent data is different, the longer the refrigerator is accumulated, the easier the defrosting is, and the difference between two adjacent data is generally sequentially increased, so that the defrosting operation can be more suitable for the actual use condition of a user.

A third aspect of the present invention provides a refrigerator, including any one of the defrosting control devices set forth in the second aspect of the present invention, wherein the first temperature sensor is disposed on an outer surface of the refrigerator, and is connected to the defrosting control device, and is used for detecting an external environment temperature of the refrigerator in cooperation with the defrosting control device; and the second temperature sensor is arranged in the chamber of the refrigerator, is connected with the defrosting control device and is used for detecting the temperature of the chamber of the refrigerator in cooperation with the defrosting control device.

In this technical solution, the refrigerator includes any one of the defrosting control devices provided in the technical solution of the second aspect of the present invention, so that the refrigerator has all the beneficial effects of any one of the defrosting control devices provided in the technical solution of the second aspect of the present invention, which are not described herein again, the first temperature sensor disposed on the outer surface of the refrigerator and connected to the defrosting control device can detect the external environment temperature of the refrigerator, and the second temperature sensor disposed in the compartment of the refrigerator and connected to the defrosting control device can detect the compartment temperature of the refrigerator, so as to provide a data basis for defrosting control, and further improve the execution accuracy of defrosting operation.

It should be noted that the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

An aspect of the fourth aspect of the present invention proposes a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the steps of the defrosting control method of any one of the aspects presented in the first aspect of the present invention.

In this technical solution, a computer readable storage medium stores thereon a computer program, and when the computer program is executed by a processor, the steps of the defrosting control method according to any one of the technical solutions of the first aspect of the present invention are implemented, so that all the beneficial effects of the defrosting control method according to any one of the technical solutions of the first aspect of the present invention are achieved, and are not described herein again.

Through the technical scheme, when the opening and closing of the refrigerator are determined, the preset defrosting period is reduced, and the defrosting period is dynamically adjusted according to the opening and closing conditions in the actual use process of the refrigerator, so that on one hand, the phenomenon that the service performance of the refrigerator is damaged due to the fact that defrosting operation is not executed due to too much frosting amount is reduced, and on the other hand, the phenomenon that energy is wasted due to the fact that defrosting operation is executed due to too little frosting amount is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows a schematic flow diagram of a defrost control method according to one embodiment of the present invention;

FIG. 2 illustrates a schematic block diagram of a defrosting control apparatus according to an embodiment of the present invention;

fig. 3 illustrates a schematic block diagram of a refrigerator according to an embodiment of the present invention;

fig. 4 shows a schematic flowchart of a defrosting control method according to another embodiment of the present invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Example 1

Fig. 1 shows a schematic flow diagram of a defrosting control method according to an embodiment of the present invention.

As shown in fig. 1, a defrosting control method according to an embodiment of the present invention is applicable to a refrigerator, including:

s102, when the opening and closing of the door of the refrigerator are determined, replacing an original first preset defrosting period with a second preset defrosting period, wherein the second preset defrosting period is smaller than the first preset defrosting period;

s104, counting the accumulated working time of the refrigerator after the last defrosting operation;

and S106, when the accumulated working time is greater than or equal to the second preset defrosting period, executing defrosting operation, and replacing the original first preset defrosting period with the initial preset defrosting period.

In the embodiment, when the door of the refrigerator is determined to be opened and closed, the second preset defrosting period replaces the original first preset defrosting period, the second preset defrosting period is smaller than the first preset defrosting period, the door opening and closing condition in the actual use process of the refrigerator is used for dynamically reducing the defrosting period, the accuracy of the defrosting period is improved, the accumulated working time of the refrigerator after the last defrosting operation is counted to provide a data basis for the execution of the defrosting operation, when the accumulated working time is greater than or equal to the second preset defrosting period, the defrosting operation is executed, the original first preset defrosting period is replaced by the initial preset defrosting period, the defrosting period is dynamically adjusted according to the actual use condition of the refrigerator, on one hand, the phenomenon that the service performance of the refrigerator is damaged due to the fact that the defrosting operation is not executed due to excessive frosting amount is reduced, on the other hand, the energy waste phenomenon caused by the defrosting operation executed due to the over-low frosting amount is reduced.

And the initial preset defrosting period is not less than the first preset defrosting period.

It should be noted that the initial preset defrosting period is the maximum preset defrosting period that is recovered after the defrosting operation is performed.

In the above embodiment, preferably, the second preset defrosting period is the first preset defrosting period minus a preset time length.

In this embodiment, the second preset defrosting period is obtained by subtracting the preset duration from the first preset defrosting period, and a basis is provided for determining the second preset defrosting period, so that when the opening and closing of the door of the refrigerator are determined, the preset defrosting periods are sequentially reduced by the preset duration, and further the defrosting operation can be matched with the actual use condition of a user.

In any one of the above embodiments, preferably, the preset duration ranges from 15S to 25S.

In the embodiment, the value range of the preset time is 15S-25S, which is determined according to a large amount of investigation of the time for opening and closing the door of the refrigerator, so that the accuracy and the feasibility are high, and a large amount of experiments show that the defrosting period is more accurate when the general preset time is 20S.

In any one of the above embodiments, preferably, the method further includes: detecting an external environment temperature of the refrigerator; and determining the preset time according to the external environment temperature, wherein the higher the external environment temperature is, the larger the preset time is.

In the embodiment, the accuracy of determining the preset time length is further improved by detecting the external environment temperature of the refrigerator and determining the preset time length according to the external environment temperature, wherein the higher the external environment temperature is, the longer the door opening and closing time is, and therefore the larger the preset time length is correspondingly obtained according to a great amount of investigation of the door opening and closing time of the refrigerator.

Specifically, the investigation results of 150 families show that when the external environment temperature is 26-36 ℃, the freezing chamber is used for 45 times/averagely for 9 times, the average door opening and closing time is 21s, the refrigerating chamber is used for 79 times/averagely for 28 times, and the average door opening and closing time is 24 s; when the external environment temperature is 18-26 ℃, the freezing chamber is used for 22 times/5 times on average, the average door opening time is 20s, the refrigerating chamber is used for 81 times/23 times on average, and the average door opening time is 15 s; when the external environment temperature is 5 ℃ to 18 ℃, the freezing chamber is frozen 13 times/2 times on average, the average door opening time is 19s, the refrigerating chamber is frozen 75 times/12 times on average, and the average door opening time is 15s, so that the preset time period can be set to 24s corresponding to the external environment temperature of 26 ℃ to 36 ℃, the preset time period can be set to 20s corresponding to the external environment temperature of 18 ℃ to 26 ℃, the preset time period can be set to 19s corresponding to the external environment temperature of 5 ℃ to 18 ℃, or the preset time period can be set to the total average door opening time of 20s regardless of the external environment temperature.

It should be noted that the preset time length may also be set to different values for the opening and closing of the doors of different compartments.

In any one of the above embodiments, preferably, the method further includes: acquiring a door opening and closing signal of the refrigerator in real time; detecting the temperature of the refrigerator room according to a preset period; and determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and/or the compartment temperature of the refrigerator. .

In the embodiment, the door opening and closing signals of the refrigerator are acquired in real time, so that the door opening and closing of the refrigerator can be determined, the compartment temperature of the refrigerator is detected according to the preset period, the door opening and closing of the refrigerator can be determined by judging the change of the compartment temperature, any one of the two modes can be adopted when the door opening and closing of the refrigerator is determined, and the two modes can be combined, so that the accuracy of the determination of the door opening and closing of the refrigerator can be improved.

It should be noted that the preset period may be set to 30s-60s, and the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

It should be further noted that the door opening and closing of the refrigerator can be determined when the door opening and closing signal of the refrigerator is acquired, the door opening and closing of the refrigerator can also be determined when the room temperature rises, and the door opening and closing of the refrigerator can also be determined when the door opening and closing signal of the refrigerator is acquired and the room temperature rises.

In any one of the above embodiments, preferably, determining whether the refrigerator opens or closes the door according to a door opening/closing signal of the refrigerator and a compartment temperature of the refrigerator includes: when a door opening and closing signal of the refrigerator is acquired, judging whether the compressor is in a running state or not; if the compressor is judged to be in the running state, determining the opening and closing of the refrigerator when the detected first compartment temperature is greater than the adjacent last detected second compartment temperature; and if the compressor is not in the running state, determining the opening and closing of the door of the refrigerator when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first chamber temperature and the second chamber temperature, and the second difference value is the difference between the last detected third chamber temperature adjacent to the second chamber temperature and the second chamber temperature.

In the embodiment, when the door opening and closing signal of the refrigerator is acquired, whether the compressor is in the running state is judged, and then whether the refrigerator is opened and closed is determined according to the detected room temperature according to whether the compressor is in the running state, so that the determination of effective opening and closing of the refrigerator, namely the opening and closing of the refrigerator which is easy to frost is further improved.

It should be noted that the preset difference threshold may be 0.1-1 ℃.

In any one of the above embodiments, preferably, preset defrosting period data arranged in order of magnitude is stored in advance, and the second preset defrosting period is data that is adjacent to the first preset defrosting period and is smaller than the first preset defrosting period in the preset defrosting period data.

In this embodiment, the preset defrosting cycle data sequentially sorted according to the size order is stored in advance, so that a data basis is provided for the change adjustment of the preset defrosting cycle, wherein the preset defrosting cycle data may be an equal difference sequence which is sequentially reduced or a variation sequence which is sequentially reduced, that is, the difference between two adjacent data is different, the longer the refrigerator is accumulated, the easier the defrosting is, and the difference between two adjacent data is generally increased sequentially, so that the defrosting operation can better fit the actual use condition of a user.

Example 2

Fig. 2 illustrates a schematic block diagram of a defrosting control apparatus 200 according to an embodiment of the present invention.

As shown in fig. 2, a defrosting control apparatus 200 according to an embodiment of the present invention, which is applied to a refrigerator, includes: the replacing unit 202 is used for replacing an original first preset defrosting period with a second preset defrosting period when the opening and closing of the door of the refrigerator are determined, wherein the second preset defrosting period is smaller than the first preset defrosting period; the counting unit 204 is used for counting the accumulated working time of the refrigerator after the last defrosting operation; the execution unit 206 is configured to execute a defrosting operation when the accumulated working time is greater than or equal to a second preset defrosting period, and replace an original first preset defrosting period with an initial preset defrosting period, where the initial preset defrosting period is not less than the first preset defrosting period.

In the embodiment, when the door of the refrigerator is determined to be opened and closed, the second preset defrosting period replaces the original first preset defrosting period, the second preset defrosting period is smaller than the first preset defrosting period, the door opening and closing condition in the actual use process of the refrigerator is used for dynamically reducing the defrosting period, the accuracy of the defrosting period is improved, the accumulated working time of the refrigerator after the last defrosting operation is counted to provide a data basis for the execution of the defrosting operation, when the accumulated working time is greater than or equal to the second preset defrosting period, the defrosting operation is executed, the original first preset defrosting period is replaced by the initial preset defrosting period, the defrosting period is dynamically adjusted according to the actual use condition of the refrigerator, on one hand, the phenomenon that the service performance of the refrigerator is damaged due to the fact that the defrosting operation is not executed due to excessive frosting amount is reduced, on the other hand, the energy waste phenomenon caused by the defrosting operation executed due to the over-low frosting amount is reduced.

It should be noted that the initial preset defrosting period is the maximum preset defrosting period that is recovered after the defrosting operation is performed.

In the above embodiment, preferably, the second preset defrosting period is the first preset defrosting period minus a preset time length.

In this embodiment, the second preset defrosting period is obtained by subtracting the preset duration from the first preset defrosting period, and a basis is provided for determining the second preset defrosting period, so that when the opening and closing of the door of the refrigerator are determined, the preset defrosting periods are sequentially reduced by the preset duration, and further the defrosting operation can be matched with the actual use condition of a user.

In any one of the above embodiments, preferably, the preset duration ranges from 15S to 25S.

In the embodiment, the value range of the preset time is 15S-25S, which is determined according to a large amount of investigation of the time for opening and closing the door of the refrigerator, so that the accuracy and the feasibility are high, and a large amount of experiments show that the defrosting period is more accurate when the general preset time is 20S.

In any one of the above embodiments, preferably, the method further includes: a first detection unit 208 for detecting an external ambient temperature of the refrigerator; the first determining unit 210 is configured to determine a preset time period according to an external environment temperature, where the preset time period is longer as the external environment temperature is higher.

In the embodiment, the accuracy of determining the preset time length is further improved by detecting the external environment temperature of the refrigerator and determining the preset time length according to the external environment temperature, wherein the higher the external environment temperature is, the longer the door opening and closing time is, and therefore the larger the preset time length is correspondingly obtained according to a great amount of investigation of the door opening and closing time of the refrigerator.

Specifically, the investigation results of 150 families show that when the external environment temperature is 26-36 ℃, the freezing chamber is used for 45 times/averagely for 9 times, the average door opening and closing time is 21s, the refrigerating chamber is used for 79 times/averagely for 28 times, and the average door opening and closing time is 24 s; when the external environment temperature is 18-26 ℃, the freezing chamber is used for 22 times/5 times on average, the average door opening time is 20s, the refrigerating chamber is used for 81 times/23 times on average, and the average door opening time is 15 s; when the external environment temperature is 5 ℃ to 18 ℃, the freezing chamber is frozen 13 times/2 times on average, the average door opening time is 19s, the refrigerating chamber is frozen 75 times/12 times on average, and the average door opening time is 15s, so that the preset time period can be set to 24s corresponding to the external environment temperature of 26 ℃ to 36 ℃, the preset time period can be set to 20s corresponding to the external environment temperature of 18 ℃ to 26 ℃, the preset time period can be set to 19s corresponding to the external environment temperature of 5 ℃ to 18 ℃, or the preset time period can be set to the total average door opening time of 20s regardless of the external environment temperature.

It should be noted that the preset time length may also be set to different values for the opening and closing of the doors of different compartments.

In any one of the above embodiments, preferably, the method further includes: an obtaining unit 212, configured to obtain a door opening and closing signal of the refrigerator in real time; a second detecting unit 214 for detecting a compartment temperature of the refrigerator according to a preset period; and a second determining unit 216 for determining whether the refrigerator opens or closes the door according to the door opening and closing signal of the refrigerator and/or the compartment temperature of the refrigerator. In the embodiment, the door opening and closing signals of the refrigerator are acquired in real time, so that the door opening and closing of the refrigerator can be determined, the compartment temperature of the refrigerator is detected according to the preset period, the door opening and closing of the refrigerator can be determined by judging the change of the compartment temperature, any one of the two modes can be adopted when the door opening and closing of the refrigerator is determined, and the two modes can be combined, so that the accuracy of the determination of the door opening and closing of the refrigerator can be improved.

It should be noted that the preset period may be set to 30s-60s, and the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

It should be further noted that the door opening and closing of the refrigerator can be determined when the door opening and closing signal of the refrigerator is acquired, the door opening and closing of the refrigerator can also be determined when the room temperature rises, and the door opening and closing of the refrigerator can also be determined when the door opening and closing signal of the refrigerator is acquired and the room temperature rises.

In any one of the above embodiments, preferably, the method further includes: a determining unit 218, configured to determine whether the compressor is in an operating state when a door opening and closing signal of the refrigerator is acquired; the second determination unit 216 is further configured to: if the compressor is judged to be in the running state, determining the opening and closing of the refrigerator when the detected first compartment temperature is greater than the adjacent last detected second compartment temperature; the second determination unit 216 is further configured to: and if the compressor is not in the running state, determining the opening and closing of the door of the refrigerator when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first chamber temperature and the second chamber temperature, and the second difference value is the difference between the last detected third chamber temperature adjacent to the second chamber temperature and the second chamber temperature.

In the embodiment, when the door opening and closing signal of the refrigerator is acquired, whether the compressor is in the running state is judged, and then whether the refrigerator is opened and closed is determined according to the detected room temperature according to whether the compressor is in the running state, so that the determination of effective opening and closing of the refrigerator, namely the opening and closing of the refrigerator which is easy to frost is further improved.

It should be noted that the preset difference threshold may be 0.1-1 ℃.

In any one of the above embodiments, preferably, the method further includes: the storage unit 220 is configured to pre-store preset defrosting period data sequentially arranged according to a size order, where the second preset defrosting period is data that is adjacent to the first preset defrosting period and is smaller than the first preset defrosting period in the preset defrosting period data.

In this embodiment, the preset defrosting cycle data sequentially sorted according to the size order is stored in advance, so that a data basis is provided for the change adjustment of the preset defrosting cycle, wherein the preset defrosting cycle data may be an equal difference sequence which is sequentially reduced or a variation sequence which is sequentially reduced, that is, the difference between two adjacent data is different, the longer the refrigerator is accumulated, the easier the defrosting is, and the difference between two adjacent data is generally increased sequentially, so that the defrosting operation can better fit the actual use condition of a user.

Example 3

Fig. 3 shows a schematic block diagram of a refrigerator 300 according to one embodiment of the present invention.

As shown in fig. 3, a refrigerator 300 according to an embodiment of the present invention includes the defrosting control apparatus 200 according to any one of the embodiments of the present invention set forth above; the first temperature sensor 302 is arranged on the outer surface of the refrigerator 300, and the first temperature sensor 302 is connected with the defrosting control device 200 and is used for detecting the external environment temperature of the refrigerator 300 in cooperation with the defrosting control device 200; and the second temperature sensor 304 is disposed in the compartment of the refrigerator 300, and the second temperature sensor 304 is connected to the defrosting control device 200 and is used for detecting the compartment temperature of the refrigerator 300 in cooperation with the defrosting control device 200.

In this embodiment, the refrigerator 300 includes the defrosting control device 200 according to any one of the embodiments of the present invention, so that the refrigerator has all the advantages of the defrosting control device 200 according to any one of the embodiments of the present invention, which are not described herein again, the first temperature sensor 302 disposed on the outer surface of the refrigerator 300 and connected to the defrosting control device 200 can detect the external environment temperature of the refrigerator 300, and the second temperature sensor 304 disposed in the compartment of the refrigerator 300 and connected to the defrosting control device 200 can detect the compartment temperature of the refrigerator 300, so as to provide a data basis for defrosting control, and further improve the execution accuracy of defrosting operation.

It should be noted that the compartments include, but are not limited to, a refrigerating compartment and a freezing compartment.

Example 4

The computer-readable storage medium according to an embodiment of the present invention has stored thereon a computer program that, when executed by a processor, implements the steps of the defrosting control method of any one of the embodiments of the present invention set forth above.

In this embodiment, a computer readable storage medium stores thereon a computer program, and the computer program is executed by a processor to implement the steps of the defrosting control method according to any one of the above-mentioned embodiments of the present invention, so that the method has all the advantages of the defrosting control method according to any one of the above-mentioned embodiments of the present invention, and is not described herein again.

Example 5

Fig. 4 shows a schematic flowchart of a defrosting control method according to another embodiment of the present invention.

As shown in fig. 4, a defrosting control method according to another embodiment of the present invention includes:

s402, acquiring a door opening and closing signal of the refrigerator in real time;

s404, stopping running of the fan;

s406, judging whether the compressor is in a running state or not;

if the determination at S406 is yes, S408 is executed to determine whether the temperature of the refrigerating compartment is increased;

if the judgment in the step S408 is yes, executing a step S410, calculating the door opening and closing times, and determining that the door is opened and closed;

s412, reducing the original preset defrosting period by 20S to serve as a new preset defrosting period;

if the determination at S408 is no, then S414 is executed to determine whether the temperature of the freezing compartment is increased;

if the determination at S414 is yes, S410 is executed, and if the determination at S414 is no, S402 is executed;

if the determination at S406 is no, S416 is executed to determine whether the temperature rise range of the refrigerating compartment is rapidly changed;

if the determination at S416 is yes, S410 is executed, and if the determination at S416 is no, S418 is executed, whether the temperature increase range of the freezing chamber is rapidly changed or not is executed;

if the determination at S418 is yes, S410 is executed, and if the determination at S418 is no, S402 is executed.

The technical scheme of the invention is described in detail in the above with reference to the accompanying drawings, and the invention provides a defrosting control method, a defrosting control device, a refrigerator and a computer readable storage medium, wherein when the opening and closing of the door of the refrigerator are determined, the preset defrosting period is reduced, and the defrosting period is dynamically adjusted according to the door opening and closing condition in the actual use process of the refrigerator, so that on one hand, the phenomenon that the service performance of the refrigerator is damaged due to the fact that defrosting operation is not executed because of excessive frosting amount is reduced, and on the other hand, the phenomenon that energy is wasted due to the fact that defrosting operation is executed because of insufficient frosting amount is reduced.

The steps in the method of the invention can be sequentially adjusted, combined and deleted according to actual needs.

The units in the device of the invention can be merged, divided and deleted according to actual needs.

It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by instructions associated with a program, which may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc-Read-Only Memory (CD-ROM), or other Memory, magnetic disk, magnetic tape, or magnetic tape, Or any other medium which can be used to carry or store data and which can be read by a computer.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A defrosting control method is suitable for a refrigerator and is characterized by comprising the following steps:

when the opening and closing of the door of the refrigerator are determined, replacing an original first preset defrosting period with a second preset defrosting period, wherein the second preset defrosting period is smaller than the first preset defrosting period;

counting the accumulated working time of the refrigerator after the last defrosting operation;

when the accumulated working time is greater than or equal to the second preset defrosting period, executing defrosting operation, and replacing the original first preset defrosting period with an initial preset defrosting period, wherein the initial preset defrosting period is not less than the first preset defrosting period;

acquiring a door opening and closing signal of the refrigerator in real time;

detecting the compartment temperature of the refrigerator according to a preset period;

determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and/or the compartment temperature of the refrigerator;

the determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and the compartment temperature of the refrigerator comprises the following steps:

when a door opening and closing signal of the refrigerator is acquired, judging whether a compressor is in a running state or not;

if the compressor is judged to be in the running state, determining the refrigerator door to be opened and closed when the detected first compartment temperature is greater than the adjacent second compartment temperature detected last time;

and if the compressor is judged not to be in the running state, determining the opening and closing of the refrigerator door when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first compartment temperature and the second compartment temperature, and the second difference value is the difference between a last detected third compartment temperature adjacent to the second compartment temperature and the second compartment temperature.

2. The defrosting control method according to claim 1,

the second preset defrosting period is the first preset defrosting period minus a preset time length.

3. The defrosting control method according to claim 2,

the value range of the preset duration is 15S-25S.

4. The defrosting control method according to claim 2, further comprising:

detecting an external ambient temperature of the refrigerator;

determining the preset time period according to the external environment temperature,

wherein the higher the external environment temperature, the larger the preset time period.

5. The defrosting control method according to claim 1, further comprising:

pre-storing preset defrosting period data which are sequentially arranged according to the size sequence,

the second preset defrosting period is data which is adjacent to the first preset defrosting period in the preset defrosting period data and is smaller than the first preset defrosting period.

6. A defrosting control device suitable for a refrigerator, comprising:

the replacing unit is used for replacing an original first preset defrosting period with a second preset defrosting period when the opening and closing of the door of the refrigerator are determined, wherein the second preset defrosting period is smaller than the first preset defrosting period;

the counting unit is used for counting the accumulated working time of the refrigerator after the last defrosting operation;

the execution unit is used for executing defrosting operation when the accumulated working time is greater than or equal to the second preset defrosting period, and replacing the original first preset defrosting period with an initial preset defrosting period, wherein the initial preset defrosting period is not less than the first preset defrosting period;

the acquisition unit is used for acquiring a door opening and closing signal of the refrigerator in real time;

a second detection unit for detecting a compartment temperature of the refrigerator according to a preset period;

the second determining unit is used for determining whether the refrigerator is opened or closed according to the door opening and closing signal of the refrigerator and/or the compartment temperature of the refrigerator;

the judging unit is used for judging whether the compressor is in a running state or not when the door opening and closing signal of the refrigerator is acquired;

the second determination unit is further configured to: if the compressor is judged to be in the running state, determining the refrigerator door to be opened and closed when the detected first compartment temperature is greater than the adjacent second compartment temperature detected last time;

the second determination unit is further configured to: and if the compressor is judged not to be in the running state, determining the opening and closing of the refrigerator door when the difference value between a first difference value and a second difference value is larger than a preset difference value threshold value, wherein the first difference value is the difference between the first compartment temperature and the second compartment temperature, and the second difference value is the difference between a last detected third compartment temperature adjacent to the second compartment temperature and the second compartment temperature.

7. The defrosting control apparatus of claim 6,

the second preset defrosting period is the first preset defrosting period minus a preset time length.

8. The defrosting control apparatus of claim 7,

the value range of the preset duration is 15S-25S.

9. The defrosting control apparatus of claim 7 further comprising:

a first detection unit for detecting an external ambient temperature of the refrigerator;

a first determining unit for determining the preset time period according to the external environment temperature,

wherein the higher the external environment temperature, the larger the preset time period.

10. The defrosting control apparatus of claim 6 further comprising:

a storage unit for pre-storing preset defrosting cycle data arranged in sequence according to the size order,

the second preset defrosting period is data which is adjacent to the first preset defrosting period in the preset defrosting period data and is smaller than the first preset defrosting period.

11. A refrigerator, characterized by comprising:

the defrosting control apparatus according to any one of claims 6 to 10;

the first temperature sensor is arranged on the outer surface of the refrigerator, is connected with the defrosting control device and is used for detecting the external environment temperature of the refrigerator in a matching way with the defrosting control device;

and the second temperature sensor is arranged in the compartment of the refrigerator, connected with the defrosting control device and used for being matched with the defrosting control device to detect the compartment temperature of the refrigerator.

12. A computer-readable storage medium having stored thereon a computer program, characterized in that,

the computer program when executed by a processor implements the steps of the defrost control method of any one of claims 1-5.

Images