CN103629890A - Air cooling refrigerator defrosting control method - Google Patents
Air cooling refrigerator defrosting control method Download PDFInfo
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- CN103629890A CN103629890A CN201210299851.1A CN201210299851A CN103629890A CN 103629890 A CN103629890 A CN 103629890A CN 201210299851 A CN201210299851 A CN 201210299851A CN 103629890 A CN103629890 A CN 103629890A
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Abstract
The invention discloses an air cooling refrigerator defrosting control method. The air cooling refrigerator defrosting control method comprises a conventional control method and an auxiliary control method. The auxiliary control method includes the steps that firstly, whether a door of a refrigerating chamber is closed or not is judged, if the door is not closed, a refrigerating chamber temperature monitoring program is initialized, and if the door is closed, whether a refrigerator begins to refrigerate the refrigerating chamber or not is judged; secondly, if the refrigerator does not begin to refrigerate the refrigerating chamber, the refrigerating chamber temperature monitoring program is not started, and if the refrigerator begins to refrigerate the refrigerating chamber, the refrigerating chamber temperature monitoring program is started, and whether temperature rises or not is judged; thirdly, if the temperature does not rise, a refrigerating chamber air duct defrosting program is not started, and if the temperature rises, whether the temperature continues to rise for more than two minutes or not is judged; fourthly, if the temperature rises for less than two minutes, the refrigerating chamber air duct defrosting program is not started, and if the temperature continues to rise for more than two minutes, the refrigerating chamber air duct defrosting program is started; fifthly, after the refrigerating chamber air duct defrosting program is finished, the refrigerating chamber temperature monitoring program is initialized, and monitoring is conducted again. According to the scheme, the temperature of the refrigerating chamber is monitored, and the air cooling refrigerator defrosting control method is mainly used for avoiding severe frosting of an air duct of the refrigerating chamber.
Description
Technical field
The present invention relates to refrigerator field, is a kind of wind cooling refrigerator defrosting control method specifically.
Background technology
Wind cooling refrigerator provides cold wind by evaporimeter and air channel for refrigerator compartment, because moisture is contained in evaporimeter inside, so easily produce frost at the lower evaporimeter of temperature and top layer, refrigerating chamber air channel, and evaporimeter is positioned at refrigerating chamber, so when its frosting is serious, will directly have influence on refrigeration in refrigerating chamber; And for refrigerating chamber air channel, it realizes cold wind flash-pot to the circulation of refrigerating chamber, when air channel is stopped up in its inner frosting, can have influence on refrigerating chamber refrigeration; So wind cooling refrigerator need to regularly defrost to evaporimeter and refrigerating chamber air channel.
At present, the technology that wind cooling refrigerator is defrosted mainly comprises following several, 1. time defrosting, and it detects compressor operating time, when compressor operating time reached after time rating, opens defrosting program, and evaporimeter is defrosted; 2. comprehensively defrosting, it considers that refrigerator open can exert an influence to internal temperature of refrigerator, thereby the time of opening the door as parameter, simultaneously, according to condenser running time, whole synthesis is considered, refrigerator is defrosted; 3. detected temperatures defrosting, it is mainly in conjunction with condenser working situation, and the variations in temperature in refrigerator chamber is controlled.With regard to aforesaid way, in prior art, all there is certain defect in the technical scheme of giving, just wherein relatively preferably scheme describes, specifically, Chinese patent literature, the application for a patent for invention of publication number CN101382375, disclose a kind of defrosting control method of frost-free refrigerator, it comprises that two modules judge whether refrigerator needs defrost; Module 1 adds up to open the door time t2 by real-time calculating this defrost periods inner compressor t1 running time and refrigerating chamber, and calculate and judge whether to need defrost by formula (t1+144*t2 >=108000), when t1 is greater than certain numerical value or while meeting above-mentioned formula, enter defrost program, module 2 judges whether to need defrost by detecting refrigerating chamber sensor temperature, if temperature of refrigerating chamber being detected can not normally control, continue to rise, getting rid of is the impact of other factors, enters defrost program.The problem that this application for a patent for invention exists is: 1. it does not point out that pattern 2 is the evaporimeters to refrigerator, or refrigerating chamber air channel carries out defrosting control, and the control step of this two places defrost is distinguishing; 2. when pattern 2 is when evaporimeter is carried out to defrosting control, because evaporimeter is arranged on refrigerating chamber inside, during evaporimeter frosting impact refrigeration, can first have influence on refrigerating chamber, and temperature of refrigerating chamber is arranged on above zero, be often difficult for being affected, or impact comparatively lags behind, so temperature of refrigerating chamber is detected, is difficult to know whether evaporimeter is subject to frost impact; 3. when pattern 2 is when defrosting control is carried out in refrigerating chamber air channel, cannot whether need defrost to assist control to evaporimeter again, still have defect.
Summary of the invention
The invention provides a kind of wind cooling refrigerator defrosting control method, it,, by controlling refrigerator inside environment temperature, assists control to wind cooling refrigerator defrosting program, has effectively improved the refrigeration of refrigerator.
In order to solve the problems of the technologies described above, technical scheme provided by the invention is, a wind cooling refrigerator defrosting control method, it comprises conventional control method, this routine control method is to detect the temperature of evaporimeter, when the temperature of evaporimeter reaches setting value, start defrost timing routine, timing arrives, and starts defrosting program, also comprise following auxiliary control method
The first step, judges whether refrigerating-chamber door closes, if do not closed, temperature of refrigerating chamber monitoring programme initializes, if closed, judges whether refrigerator starts to refrigerating chamber refrigeration, and carries out second step;
Second step, if do not start refrigeration, does not start temperature of refrigerating chamber monitoring programme, if start refrigeration, starts temperature of refrigerating chamber monitoring programme, and judges whether temperature rises, and carry out the 3rd step;
The 3rd step, if temperature does not rise, does not start refrigerating chamber air channel defrosting program; If temperature rises, judge whether to continue to rise more than 2 minutes, and carry out the 4th step;
The 4th step, if temperature does not continue to rise more than 2 minutes, does not start refrigerating chamber air channel defrosting program, if temperature continues to rise more than 2 minutes, starts refrigerating chamber air channel defrosting program, and carries out the 5th step;
The 5th step, after the defrosting EP (end of program) of refrigerating chamber air channel, temperature of refrigerating chamber monitoring programme initializes, and re-starts monitoring;
Compared to the prior art, this programme is that temperature of refrigerating chamber is monitored, mainly to avoid the serious frosting in refrigerating chamber air channel, and judge by the logic that refrigerating-chamber door body is opened and closed, avoid refrigerating-chamber door to open and close the impact on temp. in refrigerating chamber, not temperature of refrigerating chamber one gos up simultaneously, just defrosted in refrigerating chamber air channel at once, but needing refrigerating chamber environment temperature to continue within a certain period of time to go up, the possibility of so further reduction erroneous judgement, has optimized refrigerating chamber air channel defrosting effect.
Also comprise following auxiliary control method,
The first step, judges whether refrigerating chamber door closes, if do not closed, does not start freezer temperature monitoring programme, if refrigerating chamber door is closed, judges whether freezer temperature reaches below-13 ℃, and carries out second step;
Second step, if do not reached below-13 ℃, does not start freezer temperature monitoring programme, if reached below-13 ℃, starts freezer temperature monitoring programme, and judges whether freezer temperature gos up, and carries out the 3rd step;
The 3rd step, if do not gone up, does not start evaporator defrost program, if gone up, judges whether to continue to go up to more than-12 ℃, and carries out the 4th step;
The 4th step, if do not continue to go up to more than-12 ℃, does not start evaporator defrost program, if continue to go up to more than-12 ℃, starts evaporator defrost program, and carries out the 5th step;
The 5th step, after defrosting program completes, re-starts monitoring;
This programme is that freezer temperature is monitored, mainly to avoid the serious frosting of evaporimeter, because evaporimeter is positioned at refrigerating chamber, it directly freezes to refrigerating chamber, if evaporimeter frosting is serious, the temperature meeting rebound significantly of refrigerating chamber, by freezer environment temperature is monitored, can effectively realize the auxiliary control to evaporimeter defrost, because put into food in refrigerating chamber, can produce considerable influence to freezer temperature, its temperature meeting rebound significantly, so when freezer environment temperature is monitored, by monitoring several temperature segment values, realize the auxiliary control to evaporimeter defrost.
In described freezer evaporator Defrost method, when temperature reaches-16～-14 ℃, start freezer temperature monitoring programme;
This programme is set as-16～-14 ℃ by the segment value that starts freezer temperature monitoring programme, fully takes into account refrigerating chamber normal conditions, and temperature should be below-18 ℃, if just start above monitoring programme at-14 ℃, have little significance, and easily erroneous judgement.
In the Defrost method of described refrigerating chamber air channel, when temperature continued rising in the time of 3～5 minutes, start refrigerating chamber defrosting program;
When this programme is set as 3～5 minutes by the lasting rise time of the temperature in the defrosting of refrigerating chamber air channel, the time of considering is too short, and False Rate is higher, and the time is longer, can affect again refrigerating chamber refrigeration, so be controlled in the above-mentioned time period, is more rational.
In described freezer evaporator Defrost method, when temperature recovery is to-11～-10 ℃ time, start evaporator defrost program;
This programme is considered under the normal refrigeration of freezer temperature, because pick and place food etc., its range of temperature is larger, so started the temperature recovery point control of evaporator defrost program more than-11 ℃, can effectively reduce erroneous judgement probability, certainly, if rise temperature spot is controlled too high, can have influence on refrigerating chamber refrigeration, had better not be higher than-10 ℃.
Accompanying drawing explanation
Fig. 1 is refrigerating chamber air channel assisting defrosting control flow chart.
Fig. 2 is freezing indoor evaporator assisting defrosting control flow chart.
The specific embodiment
Embodiment mono-:
Described in the present embodiment, wind cooling refrigerator defrosting control method comprises conventional control method and auxiliary control method, wherein, conventional control method is current some general control methods, at this, briefly enumerate wherein a kind of conventional control method, such as: detect the temperature of evaporimeter, when the temperature of evaporimeter reaches setting value, start defrost timing routine, timing arrives, and starts defrosting program.Auxiliary control method is to coordinate conventional control method further to improve defrost function, has solved some technical problems that exist in conventional control method.This auxiliary control method is specifically: as shown in Figure 1, first, judge whether refrigerating-chamber door closes, because refrigerating-chamber door open or close on temp. in refrigerating chamber to affect key element different, when opening, ambient temperature can impact temp. in refrigerating chamber, this is that auxiliary control method can not normally carry out, only have when refrigerating-chamber door is closed, the rise that just can guarantee temp. in refrigerating chamber is due to due to the impact in refrigerating chamber air channel, so its decision logic is: if do not closed, temperature of refrigerating chamber monitoring programme initializes, if closed, judge whether refrigerator starts to freeze to refrigerating chamber, after definite refrigerating-chamber door body is closed, need to judge whether refrigerator starts to freeze to refrigerating chamber, because if refrigerator does not freeze to refrigerating chamber, temperature of refrigerating chamber also may go up, in fact, the not serious frosting in refrigerating chamber air channel, its decision logic is: if do not start refrigeration, do not start temperature of refrigerating chamber monitoring programme, if start refrigeration, start temperature of refrigerating chamber monitoring programme, and judge whether temperature rises, when definite refrigerator freezes to refrigerating chamber, next need to judge whether temperature of refrigerating chamber rises, only have temperature to rise and just have the serious frosting in the refrigerating chamber of being air channel, its decision logic is: if temperature does not rise, do not start refrigerating chamber air channel defrosting program, if temperature rises, judge whether to continue to rise 2 minutes, it is likely also that refrigeration system operation itself does not freely cause the rise of transience that temperature rises, so need to judge whether temperature can continue to rise, this can be selected is often 2 minutes, and it is difficult for oversize, impact refrigeration, also difficult too short, erroneous judgement probability increases, if temperature does not continue to rise 2 minutes, do not start refrigerating chamber air channel defrosting program, if temperature continues to rise 2 minutes, start refrigerating chamber air channel defrosting program, after the defrosting EP (end of program) of refrigerating chamber air channel, temperature of refrigerating chamber monitoring programme initializes, and re-starts monitoring, if in defrosting program is carried out, open refrigerating-chamber door, defrosting program is proceeded, until complete defrosting, reinitializes and monitors.
As improvement, auxiliary control method also comprises freezer evaporator defrosting control, similar with refrigerating chamber, first it judge whether refrigerating chamber door closes, if do not closed, do not start freezer temperature monitoring programme, if refrigerating chamber door is closed, judge whether freezer temperature reaches-13 ℃, because generally, the temperature of refrigerating chamber will reach below-18 ℃, so its temperature can cause amplitude of variation larger because of access food, if do not reach-13 ℃, do not start freezer temperature monitoring programme, if reach-13 ℃, start freezer temperature monitoring programme, and judge whether freezer temperature gos up, if do not gone up, do not start evaporator defrost program, if gone up, judge whether to continue to go up to-10 ℃, if continued, do not go up to-10 ℃, do not start evaporator defrost program, if continue to go up to-10 ℃, start evaporator defrost program, after defrosting program completes, re-start monitoring.
Embodiment bis-:
The present embodiment is compared with embodiment mono-, and its difference is, in the Defrost method of refrigerating chamber air channel, temperature continues to rise 3 minutes; In freezer evaporator Defrost method, if refrigerating chamber door is closed, whether freezer temperature reaches-16 ℃, if do not reach-16 ℃, do not start freezer temperature monitoring programme, if reach-16 ℃, start freezer temperature monitoring programme, and judge whether freezer temperature gos up, if do not gone up, do not start evaporator defrost program, if gone up, judge whether to continue to go up to-12 ℃, if continued, do not go up to-12 ℃, do not start evaporator defrost program, if continue to go up to-12 ℃, start evaporator defrost program.
Embodiment tri-:
The present embodiment is compared with embodiment mono-, two, and its difference is, in the Defrost method of refrigerating chamber air channel, temperature continues to rise 5 minutes; In freezer evaporator Defrost method, if refrigerating chamber door is closed, whether freezer temperature reaches-14 ℃, if do not reach-14 ℃, do not start freezer temperature monitoring programme, if reach-14 ℃, start freezer temperature monitoring programme, and judge whether freezer temperature gos up, if do not gone up, do not start evaporator defrost program, if gone up, judge whether to continue to go up to-11 ℃, if continued, do not go up to-11 ℃, do not start evaporator defrost program, if continue to go up to-11 ℃, start evaporator defrost program.
Set temperature sensor respectively in above-mentioned refrigerating chamber, refrigerating chamber, monitors temperature, defroster is set on refrigerating chamber air channel and evaporimeter, and they are controlled by refrigerator control module all, realize said method.
Claims (5)
1. a wind cooling refrigerator defrosting control method, it comprises conventional control method, this routine control method is to detect the temperature of evaporimeter, when the temperature of evaporimeter reaches setting value, start defrost timing routine, timing arrives, and starts defrosting program, it is characterized in that: also comprise following auxiliary control method
The first step, judges whether refrigerating-chamber door closes, if do not closed, temperature of refrigerating chamber monitoring programme initializes, if closed, judges whether refrigerator starts to refrigerating chamber refrigeration, and carries out second step;
Second step, if do not start refrigeration, does not start temperature of refrigerating chamber monitoring programme, if start refrigeration, starts temperature of refrigerating chamber monitoring programme, and judges whether temperature rises, and carry out the 3rd step;
The 3rd step, if temperature does not rise, does not start refrigerating chamber air channel defrosting program; If temperature rises, judge whether to continue to rise more than 2 minutes, and carry out the 4th step;
The 4th step, if temperature does not continue to rise more than 2 minutes, does not start refrigerating chamber air channel defrosting program, if temperature continues to rise more than 2 minutes, starts refrigerating chamber air channel defrosting program, and carries out the 5th step;
The 5th step, after the defrosting EP (end of program) of refrigerating chamber air channel, temperature of refrigerating chamber monitoring programme initializes, and re-starts monitoring.
2. wind cooling refrigerator defrosting control method according to claim 1, it is characterized in that: also comprise following auxiliary control method, the first step, judge whether refrigerating chamber door closes, if do not closed, do not start freezer temperature monitoring programme, if refrigerating chamber door is closed, judge whether freezer temperature reaches below-13 ℃, and carry out second step;
Second step, if do not reached below-13 ℃, does not start freezer temperature monitoring programme, if reached below-13 ℃, starts freezer temperature monitoring programme, and judges whether freezer temperature gos up, and carries out the 3rd step;
The 3rd step, if do not gone up, does not start evaporator defrost program, if gone up, judges whether to continue to go up to more than-12 ℃, and carries out the 4th step;
The 4th step, if do not continue to go up to more than-12 ℃, does not start evaporator defrost program, if continue to go up to more than-12 ℃, starts evaporator defrost program, and carries out the 5th step;
The 5th step, after defrosting program completes, re-starts monitoring.
3. wind cooling refrigerator defrosting control method according to claim 2, is characterized in that: in described freezer evaporator Defrost method, when temperature reaches-16～-14 ℃, start freezer temperature monitoring programme.
4. according to wind cooling refrigerator defrosting control method described in claim 1 or 2, it is characterized in that: in the Defrost method of described refrigerating chamber air channel, when temperature continued rising in the time of 3～5 minutes, start refrigerating chamber defrosting program.
5. according to wind cooling refrigerator defrosting control method described in claim 2 or 3, it is characterized in that: in described freezer evaporator Defrost method, when temperature recovery is to-11～-10 ℃ time, start evaporator defrost program.
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| CN201210299851.1A CN103629890B (en) | 2012-08-22 | 2012-08-22 | Wind cooling refrigerator defrosting control method |
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| CN201210299851.1A CN103629890B (en) | 2012-08-22 | 2012-08-22 | Wind cooling refrigerator defrosting control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106382785A (en) * | 2016-08-31 | 2017-02-08 | 成都鲜生活冷链物流有限公司 | Defrosting method for cold chain transport vehicle |
| CN106813447A (en) * | 2015-11-27 | 2017-06-09 | 松下电器研究开发(苏州)有限公司 | Refrigerator |
| CN106931714A (en) * | 2015-12-30 | 2017-07-07 | 青岛海尔智能技术研发有限公司 | Refrigeration plant and its control method |
| CN107421234A (en) * | 2017-07-20 | 2017-12-01 | 南京创维家用电器有限公司 | A kind of control method, intelligent refrigerator and the storage device of refrigerator overload |
| CN111365930A (en) * | 2020-03-23 | 2020-07-03 | 海信（山东）冰箱有限公司 | Refrigerator and defrosting method thereof |
| CN111503994A (en) * | 2020-05-11 | 2020-08-07 | 合肥美的电冰箱有限公司 | Control method of air-cooled refrigerator and air-cooled refrigerator |
| CN111536749A (en) * | 2020-04-24 | 2020-08-14 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN112254408A (en) * | 2020-11-02 | 2021-01-22 | 中山市越海电器有限公司 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
| CN113375404A (en) * | 2021-06-24 | 2021-09-10 | 合肥美菱物联科技有限公司 | Refrigerator defrosting control method |
| CN113865111A (en) * | 2021-10-27 | 2021-12-31 | 华帝股份有限公司 | Control method for pressurization function of gas water heater |
| CN115325771A (en) * | 2022-09-13 | 2022-11-11 | 长虹美菱股份有限公司 | Self-adjusting control system and control method for refrigerating temperature of refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112254408A (en) * | 2020-11-02 | 2021-01-22 | 中山市越海电器有限公司 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
| CN113375404A (en) * | 2021-06-24 | 2021-09-10 | 合肥美菱物联科技有限公司 | Refrigerator defrosting control method |
| CN113375404B (en) * | 2021-06-24 | 2022-05-10 | 合肥美菱物联科技有限公司 | Refrigerator defrosting control method |
| CN113865111A (en) * | 2021-10-27 | 2021-12-31 | 华帝股份有限公司 | Control method for pressurization function of gas water heater |
| CN115325771A (en) * | 2022-09-13 | 2022-11-11 | 长虹美菱股份有限公司 | Self-adjusting control system and control method for refrigerating temperature of refrigerator |
| CN115325771B (en) * | 2022-09-13 | 2024-06-18 | 长虹美菱股份有限公司 | Self-regulating control system and control method for refrigerating temperature of refrigerator |
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Address after: 266736, No. 8, Hisense Avenue, South Village, Pingdu City, Shandong, Qingdao Patentee after: Hisense (Shandong) refrigerator Co., Ltd. Address before: 266061 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: Hisense (Shandong) refrigerator Co., Ltd. |
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