CN101957116B - Method for controlling defrosting of refrigerator - Google Patents
Method for controlling defrosting of refrigerator Download PDFInfo
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- CN101957116B CN101957116B CN200910160624.9A CN200910160624A CN101957116B CN 101957116 B CN101957116 B CN 101957116B CN 200910160624 A CN200910160624 A CN 200910160624A CN 101957116 B CN101957116 B CN 101957116B
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Abstract
The invention provides a method for controlling the defrosting of a refrigerator. The method comprises the following steps of: (A) detecting the environmental moisture and the environmental temperature of a refrigerator; (B) counting the opening frequency and the opening time of the refrigerator to obtain a cumulative opening frequency and a cumulative opening time; and (C) detecting the cumulative opening frequency and the cumulative opening time according to a specified time interval and defrosting the refrigerator when either the cumulative opening frequency or the cumulative opening time is larger than a preset specified value and the environmental moisture and the environmental temperature which are detected are under the specified conditions. Accordingly, a start defrosting point can be accurately confirmed according to practical environmental conditions, the operation conditions to the refrigerator, and the like so as to defrost in time to a certain degree and effectively reduce the power consumption.
Description
Technical field
The present invention relates to defrosting field, relate in particular to a kind of defrosting control method of refrigerator.
Background technology
With regard to traditional, by air cooling way, undertaken with regard to freezing device, as wind cooling refrigerator, all generally to defrost according to cycle regular time, in order to guarantee that the frosting thickness of refrigerator under severe condition does not affect refrigeration, conventionally defrosting cycle is set shortlyer, like this, for regular service conditions, the number of times of defrosting is too frequent.Because the power of defrosting heater strip is larger, and can cause the temperature recovery in refrigerator body, so can cause the power consumption quantitative change of refrigerator under regular service conditions large.
To this, in the urgent need to a kind of method that can suitably defrost according to concrete environmental aspect.
In prior art, as disclosed a kind of defrosting control method of refrigerator in Chinese invention patent ZL02100536.2, particularly, the method refers to: the refrigerator doors open hour in freezing running are carried out to timing, point at the appointed time, when door open hour of institute's timing are in special time, carries out the defrosting phase run shortening, when door open hour of institute's timing are when special time is above, carry out nature defrosting.
But the method is just controlled the length of defrosting time by the condition cumulative frequency that opens the door, and do not consider effectively to defrost other extraneous factors such as temperature, humidity of refrigerator outside.In addition, no matter be carry out the defrosting phase run shortening or carry out nature defrosting, be all to defrost according to the fixing cycle, therefore, also there is the problem that energy consumption is larger.
Summary of the invention
In view of above-mentioned deficiency, the object of the present invention is to provide a kind of defrosting control method that can effectively reduce the refrigerator of energy consumption.
For reaching described object, the invention provides a kind of defrosting control method of refrigerator, comprise the following steps: steps A: the ambient humidity and the environment temperature that detect refrigerator; Step B: the time of opening the door to the door opening times of refrigerator and refrigerator counts, tries to achieve open the door cumulative frequency and the accumulated time of opening the door; Step C: the time interval according to the rules, detection open the door cumulative frequency and the accumulated time of opening the door, more than any value of the cumulative frequency that opens the door, the accumulated time of opening the door reaches default setting, and the ambient humidity detecting and environment temperature are in rated condition time, and refrigerator is defrosted.
By adopting the method, can to the parameters such as operational circumstances of refrigerator, determine exactly the starting point that starts defrosting according to the environmental aspect of the reality such as humidity, temperature and the cumulative frequency that opens the door, the accumulated time of opening the door etc.Therefore, compare with the method for just controlling the length of defrosting time by the cumulative frequency that opens the door with fixing defrosting control method of cycle of the prior art, more corresponding actual conditions defrost in time, and can effectively reduce the power consumption of refrigerator.
As optimal technical scheme, in memory, store the default setting of many groups, each setting is corresponding to different running time of the section of refrigerator, between step B and step C, be provided with steps A 1 and A2, described steps A 1 is: to carrying out timing the running time of refrigerator, try to achieve refrigerator Cumulative Elapsed Time; Described steps A 2 is: according to refrigerator Cumulative Elapsed Time, from memory, read corresponding setting.
By adopting said method, the default settings of the many groups of storage in memory, make each setting corresponding to different running time of the section of refrigerator, and according to refrigerator Cumulative Elapsed Time, from memory, read corresponding setting.Thus, can determine exactly the time point that starts defrosting according to each the corresponding setting of different running time of section from refrigerator, thereby can not only immediately defrost, can effectively reduce to a certain extent the power consumption of refrigerator again.
As optimal technical scheme, in memory, store the default setting of many groups, each setting is corresponding to different running time of the section and ambient humidity, environment temperature of refrigerator, described steps A 2 is: according to refrigerator Cumulative Elapsed Time and ambient humidity, environment temperature, from memory, read corresponding setting.
By adopting said method, in memory, store the default settings of many groups, each setting is corresponding to different running time of the section and ambient humidity, environment temperature of refrigerator, and according to refrigerator Cumulative Elapsed Time, from memory, reads corresponding setting.Thus, can be according to different running time of the section and ambient humidity, each corresponding setting of environment temperature from refrigerator, determine more accurately the time point that starts defrosting, thereby not only more can immediately defrost, can effectively reduce to a certain extent the power consumption of refrigerator again.
As optimal technical scheme, after described step C, be provided with step D and step e, described step D is: according to refrigerator Cumulative Elapsed Time, judge whether refrigerator reaches pressure defrosting constantly, described step e is: reaching pressure defrosting during the moment, refrigerator is implemented to force to defrost.
By adopting said method, at refrigerator, moved long period of time, but open the door cumulative frequency and the accumulated time of opening the door all do not reach in the situation of default setting yet, can force defrosting, thereby more avoid occurring the refrigerator operation long time and the problem that always immediately do not defrost.
As optimal technical scheme, after described step C, be provided with step F, described step F is: refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing.
Thus, by after meeting defrosting condition and defrosting, refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing, can successfully enter defrost cycle next time.
As optimal technical scheme, after described step e, be provided with step F, described step F is: refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing.
Thus, by forcing, after defrosting, refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing, can successfully enter defrost cycle next time.
As optimal technical scheme, in variant running time of refrigerator section, in first time period, detect open the door cumulative frequency and the accumulated time of opening the door interval greater than the time interval that equals to detect in later each time period open the door cumulative frequency and the accumulated time of opening the door.
Thus, by increase the frequency of defrosting after refrigerator operation certain hour, can be more immediately, effectively defrost.
Adopt the method, can determine exactly the starting point that starts defrosting according to actual environmental aspect with to the operational circumstances of refrigerator etc., thereby, can defrost in time to a certain extent and can effectively reduce power consumption.
Accompanying drawing explanation
Fig. 1 means the block diagram of defroster control device concrete structure.
Fig. 2 is the schematic diagram of the defrosting control method of refrigerator of the present invention.
Fig. 3 is the schematic diagram of the defrosting control method of refrigerator of the present invention.
Description of reference numerals
10: controller, 11: temperature sensor, 12: humidity sensor, 13: refrigerator timer running time, 14: the time timer that opens the door, 15: door opening times counter, 16: memory, 17: Defrost heater, 18: power supply.
The specific embodiment
Below, by reference to the accompanying drawings the specific embodiment of the present invention is elaborated.
In refrigerator, be provided with defrosting control device.Defrosting control device defrosts to refrigerator for controlling energising and the power-off of Defrost heater.The control method that defrosting control device utilizes is defrosting control method of the present invention.That is, according to the frequency that opens the door of refrigerator external environment condition (temperature, humidity) and refrigerator, judge that with the time of opening the door frosting degree is to determine the best start time point of defrosting, its concrete steps are being elaborated below.
Fig. 1 means the block diagram of the concrete structure of defroster control device.As shown in the drawing, defroster control device comprises: controller 10; The temperature sensor 11 that the temperature of refrigerator external environment condition is detected; The humidity sensor 12 that the humidity of refrigerator external environment condition is detected; Refrigerator timer running time 13 that the time that refrigerator is moved is carried out timing; Carried out to the time timer 14 that opens the door of timing the refrigerator open time; Refrigerator open number of times is carried out to the door opening times counter 15 of accumulative total; Memory 16, its storage inside has and environment (temperature, humidity), the time period respectively corresponding, for judging the setting of open the door cumulative frequency and the accumulated time size of opening the door; The Defrost heater 17 that refrigerator is defrosted; Refrigerator is provided to the power supply 18 of alternating current.Refrigerator timer running time 13, the time timer 14 that opens the door, door opening times counter 15 are controlled by controller 10, can complete zero clearing and reclocking, counting under the control of controller 10.
Below, the operation of the control device that defrosts shown in Fig. 1 is described.
Controller 10, and according to the frosting degree of detected parameter judgement refrigerator, defrosts to refrigerator by detecting the running time of 13 pairs of refrigerators of refrigerator timer running time when needed according to the program of setting.
First, when refrigerator operation starts, refrigerator timer running time 13 after zero clearing to carrying out timing the running time of refrigerator, meanwhile, the temperature and humidity of temperature sensor 11 and 12 pairs of refrigerator external environment conditions of humidity sensor detects, and open the door time timer 14 and door opening times counter 15 carry out timing and counting to the time of opening the door of refrigerator and door opening times after zero clearing.
If refrigerator Cumulative Elapsed Time is point (integral point constantly) at the appointed time, controller 10 is according to detected value T, the a% of temperature sensor 11 and humidity sensor 12, if temperature is T1≤T≤T2, humidity is a%, carries out Defrost mode 1.This Defrost mode 1 refers to: from memory 16, read and this temperature, humidity, the setting that time period is corresponding, whether be more than or equal to this setting one of in time of opening the door now of judgement and door opening times, if "No", is continued refrigerator Cumulative Elapsed Time, door opening times, the time of opening the door to accumulate (not defrosting) by refrigerator timer running time 13, the time timer 14 that opens the door, door opening times counter 15; If "Yes", at next integral point, to Defrost heater, 17 energisings defrost constantly, then, respectively by the value zero clearing of refrigerator timer running time 13, open the door time timer 14 and door opening times counter 15, enter thus the controlled circulation that next time defrosts.
If refrigerator Cumulative Elapsed Time is point (integral point constantly) at the appointed time, controller 10 is according to detected value T, the a% of temperature sensor 11 and humidity sensor 12, as long as temperature T > T2 carries out Defrost mode 2.This Defrost mode 2 refers to: from memory 16, read the setting corresponding with this temperature, time period, whether be greater than this setting one of in time of opening the door now of judgement and door opening times, if "No", is continued refrigerator Cumulative Elapsed Time, door opening times, the time of opening the door to accumulate (not defrosting) by refrigerator timer running time 13, the time timer 14 that opens the door, door opening times counter 15; If "Yes", at this integral point, to Defrost heater, 17 energisings defrost constantly, then, respectively by the value zero clearing of refrigerator timer running time 13, open the door time timer 14 and door opening times counter 15, enter thus the controlled circulation that next time defrosts.
If refrigerator Cumulative Elapsed Time is point (at interval of the integral point of Hx hour constantly) at the appointed time, controller 10 is according to the detected value T of temperature sensor 11 and humidity sensor 12, a%, as long as described temperature T < T1, carry out Defrost mode 3: from memory 16, read and this temperature, time period, corresponding setting (was 0 in present embodiment, 0), whether be more than or equal to this setting one of in time of opening the door now of judgement and door opening times, therefore judged result is always "Yes", at this integral point, to Defrost heater, 17 energisings defrost constantly, then respectively by refrigerator timer running time 13, the open the door value zero clearing of time timer 14 and door opening times counter 15, enter thus the controlled circulation that next time defrosts.
If refrigerator Cumulative Elapsed Time is point (at interval of the integral point of Hy hour constantly) at the appointed time, controller 10 is according to the detected value T of temperature sensor 11 and humidity sensor 12, a%, if described temperature T is T1≤T≤T2, humidity is greater than under the environment of a%, carry out Defrost mode 4: from memory 16, read and this temperature, time period, corresponding setting (was 0 in present embodiment, 0), whether be more than or equal to this setting one of in time of opening the door now of judgement and door opening times, therefore judged result is always "Yes", at this integral point, to Defrost heater, 17 energisings defrost constantly, then respectively by refrigerator timer running time 13, the open the door value zero clearing of time timer 14 and door opening times counter 15, enter thus the controlled circulation that next time defrosts.
According to the detected value T of temperature sensor 11 and humidity sensor 12, the difference of a%, carry out different Defrost modes, with specific embodiment, described Defrost mode 1～4 is described below.
In present embodiment, at satisfied temperature T, be T1≤T≤T2, humidity is under the environmental condition of a%, by refrigerator be divided into running time 5 time periods: 0≤T < 7 (hour), 7≤T < 14 (hour), 14≤T < 49 (hour), 49≤T < 73 (hour), 73≤T < 90 (hour), since second time period, set respectively open the door cumulative frequency and the accumulated time of opening the door of each time period, it is respectively: (90 times, 15 minutes), (50 times, 8 minutes), (30 times, 5 minutes), (15 times, 3 minutes).These data and corresponding relation are stored in respectively in memory 16.Refrigerator timer running time 13 each integral point after timing to 6 hour constantly sends corresponding timing instruction to controller 10.Controller 10 moves each integral point moment after 6 hours, before 73 hours according to timing instruction at refrigerator, according to open the door frequency and the time judgement frosting degree of opening the door of refrigerator external environment condition (temperature, humidity) and refrigerator, when needs defrost, Defrost heater 17 is switched on, refrigerator is defrosted.That is,, when open the door cumulative frequency and the accumulated time of opening the door surpass the numerical value of the corresponding time period of storing in memory 16, refrigerator is implemented to defrosting.Exceeding above-mentioned scope, during refrigerator operation unexecuted defrosting in 90 hours, 10 pairs of refrigerators of controller implement to force defrosting.The integral point of refrigerator timer running time 13 after timing to 7 hour sends the timing instruction of 7 hours constantly time to controller 10.
As shown in Figure 2, at satisfied temperature, be 20 ℃≤T≤35 ℃, humidity is under the environmental condition below 65%, step following (Defrost mode 1) is controlled in the defrosting in described refrigerator.
When the Cumulative Elapsed Time of refrigerator is 7h, detect open the door cumulative frequency and the accumulated time (cold sotrage door or door of refrigerator are opened separately or both open simultaneously) of opening the door of refrigerator doors.If open the door, cumulative frequency is that 90 above or accumulated times of opening the door are more than 15min, starts immediately defrosting, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is between 7h～14h time, (that is, the time interval is 1 hour to integral point.Also identical therewith below) detect open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 90 above or accumulated times of opening the door are more than 15min, and the next integral point at this integral point starts defrosting constantly, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is 14h, detect open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 50 above or accumulated times of opening the door are more than 8min, starts immediately defrosting, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is between 14h～49h time, integral point detects open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 50 above or accumulated times of opening the door are more than 8min, and the next integral point at this integral point starts defrosting constantly, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is 49h, detect open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 30 above or accumulated times of opening the door are more than 5min, starts immediately defrosting, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is between 49h～73h time, integral point detects open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 30 above or accumulated times of opening the door are more than 5min, and the next integral point at this integral point starts defrosting constantly, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is 73h, detect open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 15 above or accumulated times of opening the door are more than 3min, defrosting immediately, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enter the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is between 73h～90h time, integral point detects open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 15 above or accumulated times of opening the door are more than 3min, and the next integral point at this integral point starts defrosting constantly, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is 90h, refrigerator is forced defrosting, then enters defrost cycle next time.
Under above-mentioned environment, be to detect first when the accumulation operation 7h of refrigerator, but the present invention is not limited to this, also can put and detect first at any time, when as refrigerator, accumulation operates to 5h, during 2.5h, during 10.55h etc.The length of each of refrigerator time Cumulative Elapsed Time also can artificially be set according to actual conditions.
In addition, the setting of open the door cumulative frequency and the accumulated time of opening the door in each stage is also not limited to above-mentioned value, can be set as other values in conjunction with actual conditions.In addition, also can, in conjunction with actual conditions, the corresponding cumulative frequency that opens the door of each time point in every one-phase be set as to mutually different value with the accumulated time of opening the door.
In addition, when in each time period, meet regulation described in open the door cumulative frequency or described in while opening the door accumulated time, also also the nonessential next integral point at this integral point starts defrosting constantly, can after waiting for any a period of time, defrost, and also can defrost immediately.
In present embodiment, under the environment of 35 ℃ of environment temperature T >, by refrigerator be running time 7≤T < 14 (hour) time, set open the door cumulative frequency and the accumulated time of opening the door for (10 times, 2 minutes).This corresponding relation is stored in memory 16.Refrigerator timer running time 13 each integral point after timing to 6 hour constantly sends corresponding timing instruction to controller 10.Controller 10 moves each integral point moment after 6 hours, before 14 hours according to timing instruction at refrigerator, according to open the door frequency and the time judgement frosting degree of opening the door of refrigerator external environment condition (temperature, humidity) and refrigerator, when needs defrost, Defrost heater 17 is switched on, refrigerator is defrosted.That is,, when open the door cumulative frequency and the accumulated time of opening the door surpass the numerical value of the corresponding time period of storing in memory 16, refrigerator is implemented to defrosting.Exceeding above-mentioned scope, during refrigerator operation unexecuted defrosting in 14 hours, 10 pairs of refrigerators of controller implement to force defrosting.The integral point of refrigerator timer running time 13 after timing to 7 hour sends the timing instruction of 7 hours constantly time to controller 10.
As shown in Figure 3, under the environmental condition of 35 ℃ of satisfied temperature T >, in described refrigerator, can control as follows (Defrost mode 2).
When refrigerator accumulation operation 7h, detect open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 10 above or accumulated times of opening the door are more than 2min, defrosting immediately, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enter the controlled circulation that next time defrosts; If do not meet, do not continue the door opening times of refrigerator doors and the time of opening the door to accumulate.
When the Cumulative Elapsed Time of refrigerator is between 7h～14h time, integral point detects open the door cumulative frequency and the accumulated time of opening the door of refrigerator doors.If open the door, cumulative frequency is that 10 above or accumulated times of opening the door are more than 2min, at this integral point, constantly enters immediately defrosting, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts; If do not meet, when being 14h, forces the Cumulative Elapsed Time of refrigerator defrosting;
Under this environment, be to detect first when refrigerator accumulation operation 7h, but the present invention is not limited to this, also can put and detect first at any time.In addition, open the door cumulative frequency and the setting of accumulated time of opening the door is also not limited to above-mentioned value.In addition, when between refrigerator operation 7h～14h, meet regulation described in open the door cumulative frequency or described in while opening the door accumulated time, also also nonessentially at described integral point, constantly start defrosting, defrost after also can waiting for any a period of time.
In addition meeting under following two kinds of environmental conditions: 20 ℃ of temperature T <; Temperature T is 20 ℃≤RT≤35 ℃, humidity is greater than 65%, refrigerator Cumulative Elapsed Time carried out one-time detection every 7 hours, whether be more than or equal to setting one of in time of opening the door now of judgement and door opening times, if meet, at this integral point, to Defrost heater, 17 energisings defrost constantly, then, respectively by the value zero clearing of refrigerator timer running time 13, open the door time timer 14 and door opening times counter 15, enter thus the controlled circulation that next time defrosts (Defrost mode 3,4).In the present embodiment, the setting of open the door time and door opening times is 0, and therefore, the every operation of refrigerator can defrost for 7 hours, and by refrigerator Cumulative Elapsed Time, door opening times and the time zero clearing of opening the door, enters the controlled circulation that next time defrosts.Certainly, be also not limited to 7 hours, refrigerator can defrost after any a period of time of every operation.
Each numerical value in the present invention can be set arbitrarily as requested, is not limited to above-mentioned giving an example.
In addition, defrosting control method of the present invention is not limited to refrigerator, also can be used for defrosting as fridge-freezers such as refrigerators.
Claims (7)
1. a defrosting control method for refrigerator, comprises the following steps:
Steps A: the ambient humidity and the environment temperature that detect refrigerator;
Step B: the time of opening the door to the door opening times of refrigerator and refrigerator counts, tries to achieve open the door cumulative frequency and the accumulated time of opening the door;
Step C: the time interval according to the rules, detect open the door cumulative frequency and the accumulated time of opening the door,
It is characterized in that,
Step B also comprises:
To carrying out timing the running time of refrigerator, try to achieve refrigerator Cumulative Elapsed Time;
According to refrigerator Cumulative Elapsed Time, from memory, read the cumulative frequency that opens the door of corresponding refrigerator Cumulative Elapsed Time, the setting of the accumulated time of opening the door; Wherein, described setting is default many groups, and different settings is corresponding to the different Cumulative Elapsed Time section of refrigerator;
Step C also comprises: more than any value of the cumulative frequency that opens the door, the accumulated time of opening the door reaches default setting, and the ambient humidity detecting and environment temperature are in rated condition time, and refrigerator is defrosted.
2. the defrosting control method of refrigerator as claimed in claim 1, is characterized in that,
Described Cumulative Elapsed Time section comprises: 0≤T < 7 hours, 7≤T < 14 hours, 14≤T < 49 hours, 49≤T < 73 hours, 73≤T < 90 hours;
Corresponding above-mentioned Cumulative Elapsed Time section, since second time period, described in open the door cumulative frequency and the accumulated time of opening the door setting be respectively: 90 times, 15 minutes; 50 times, 8 minutes; 30 times, 5 minutes; 15 times, 3 minutes.
3. the defrosting control method of refrigerator as claimed in claim 1, is characterized in that, described different setting is corresponding to the different Cumulative Elapsed Time sections of refrigerator outer also corresponding ambient humidity and environment temperature,
Described according to refrigerator Cumulative Elapsed Time, when memory reads described setting, be according to refrigerator Cumulative Elapsed Time, also according to ambient humidity, environment temperature, from memory, read corresponding setting.
4. the defrosting control method of the refrigerator as described in any one in claim 1～3, is characterized in that, is provided with step D and step e after described step C,
Described step D is: according to refrigerator Cumulative Elapsed Time, judge whether refrigerator reaches pressure defrosting constantly,
Described step e is: reaching pressure defrosting during the moment, refrigerator is implemented to force to defrost.
5. the defrosting control method of the refrigerator as described in any one in claim 1～3, is characterized in that, after described step C, is provided with step F,
Described step F is: refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing.
6. the defrosting control method of refrigerator as claimed in claim 4, is characterized in that, after described step e, is provided with step F,
Described step F is: refrigerator Cumulative Elapsed Time, the cumulative frequency that opens the door, the accumulated time of opening the door are carried out to zero clearing.
7. the defrosting control method of the refrigerator as described in any one in claim 1～3, it is characterized in that, in variant running time of refrigerator section, in first time period, detect open the door cumulative frequency and the accumulated time of opening the door interval greater than the time interval that equals to detect in later each time period open the door cumulative frequency and the accumulated time of opening the door.
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| CN200910160624.9A CN101957116B (en) | 2009-07-17 | 2009-07-17 | Method for controlling defrosting of refrigerator |
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| CN200910160624.9A CN101957116B (en) | 2009-07-17 | 2009-07-17 | Method for controlling defrosting of refrigerator |
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| CN101957116B true CN101957116B (en) | 2014-03-26 |
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| CN109798727B (en) * | 2019-03-21 | 2021-05-28 | 合肥华凌股份有限公司 | Refrigeration equipment, storage box and defrosting method thereof |
| CN111256430B (en) * | 2020-02-26 | 2021-01-15 | 珠海格力电器股份有限公司 | Temperature monitoring method, temperature monitoring device, computer equipment and medium |
| CN113915919B (en) * | 2021-03-31 | 2023-03-21 | 海信冰箱有限公司 | Refrigerator and refrigerator defrosting control method |
| CN115435538B (en) * | 2022-09-16 | 2023-09-12 | 海信冰箱有限公司 | Refrigerator and defrosting control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11311473A (en) * | 1998-04-28 | 1999-11-09 | Toshiba Corp | Method for controlling refrigerator |
| DE10221903A1 (en) * | 2002-05-16 | 2003-12-04 | Bsh Bosch Siemens Hausgeraete | Freezer with defrost indicator |
| KR100446776B1 (en) * | 2002-07-24 | 2004-09-01 | 엘지전자 주식회사 | Cool air discharge apparatus of refrigerator with frost control tool |
| KR20060016738A (en) * | 2003-06-23 | 2006-02-22 | 에어 오퍼레이션 테크놀로지스 가부시키가이샤 | Cooling device |
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