CN103388955B - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN103388955B CN103388955B CN201310308932.8A CN201310308932A CN103388955B CN 103388955 B CN103388955 B CN 103388955B CN 201310308932 A CN201310308932 A CN 201310308932A CN 103388955 B CN103388955 B CN 103388955B
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Abstract
The invention discloses a kind of refrigerator and control method thereof, described method comprises: start quick-frozen pattern; Detect the environment temperature outside refrigerator, compare environment temperature and ring temperature preset value, and environmentally the comparative result of temperature and ring temperature preset value controls quick-frozen module and freezes to the refrigerating chamber of described refrigerator; Exit quick-frozen pattern.According to the control method of the refrigerator of the embodiment of the present invention, when refrigerator is placed in quick-frozen pattern, quick-frozen module can not run always, but according to the temperature of external environment, quick-frozen module is run with different states, because the continuous cooling of quick-frozen module causes the temperature of temperature-changing chamber too low when avoiding ambient temperature too low, improve the serviceability of refrigerator, avoid freezing for the food in temperature-changing chamber, make refrigerator more intelligent, be user-friendly to.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, particularly a kind of refrigerator control method and adopt this control method to carry out the refrigerator controlled.
Background technology
Current refrigerator quick-frozen control law method is that compressor is not shut down, and the freezing n hour of request always, as 48h.Use this control method, if during refrigerator quick-frozen, cryogenic temperature is asked always, now freezing temperature can be very low, as-35 DEG C, if and now user's temperature-changing chamber temperature sets 5 DEG C, cryogenic temperature can have influence on alternating temperature temperature, if cryogenic temperature is too low, can low for the temperature band of alternating temperature, as-2 DEG C, now can freezing for the food of temperature-changing chamber, particularly during low ring temperature.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, one object of the present invention is the control method of the refrigerator proposing a kind of good stability.
Another object of the present invention is to propose to adopt this control method to carry out the refrigerator controlled.
According to the control method of the refrigerator of the embodiment of the present invention, described method comprises: start quick-frozen pattern; Detect the environment temperature outside refrigerator, compare environment temperature and ring temperature preset value, and environmentally the comparative result of temperature and ring temperature preset value controls quick-frozen module and freezes to the refrigerating chamber of described refrigerator; Exit quick-frozen pattern.
According to the control method of the refrigerator of the embodiment of the present invention, the operation of quick-frozen module is controlled according to different environment temperatures, thus, when refrigerator is placed in quick-frozen pattern, quick-frozen module can not run always, but according to the temperature of external environment, quick-frozen module is run with different states, because the continuous cooling of quick-frozen module causes the temperature of temperature-changing chamber too low when avoiding ambient temperature too low, improve the serviceability of refrigerator, avoid freezing for the food in temperature-changing chamber, make refrigerator more intelligent, be user-friendly to.
In addition, the control method of refrigerator according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, if environment temperature is less than ring temperature preset value, then controls quick-frozen module and make the temperature of refrigerating chamber in preset temperature range.Thus, control the operation of quick-frozen module, avoid the temperature of refrigerating chamber too low, make the temperature of refrigerating chamber in preset range, the quick-frozen that can reduce refrigerating chamber, on the impact of temperature-changing chamber temperature, avoids the temperature of temperature-changing chamber to be down to too low, thus is convenient to the fresh-keeping of food in temperature-changing chamber.
According to one embodiment of present invention, described method also comprises the temperature detecting described refrigerating chamber, and compare freezer temperature and freezer temperature preset value, if described freezer temperature is greater than described freezer temperature preset value, run quick-frozen module, if described freezer temperature is not more than described freezer temperature preset value, do not run quick-frozen module.Thus, the temperature of refrigerating chamber can be controlled, in predetermined temperature range, make refrigerator more intelligent.
According to one embodiment of present invention, described method also comprises the temperature detecting described refrigerating chamber, and more described freezer temperature and refrigerating chamber preset temperature range, if described freezer temperature is greater than the maximum of described refrigerating chamber preset temperature range, then running quick-frozen module makes freezer temperature be not more than refrigerating chamber preset temperature range minimum of a value, if described freezer temperature is less than the minimum of a value of described refrigerating chamber preset temperature range, then do not run quick-frozen module.Thus, effectively make the temperature of refrigerating chamber in preset range, and reduce the running time of quick-frozen module, reduce the operating cost of refrigerator, energy-conserving and environment-protective.
According to one embodiment of present invention, if described environment temperature is not less than ring temperature preset value, then run quick-frozen module continuously.Thus, when environment temperature is higher, the impact of quick-frozen on temperature-changing chamber of refrigerating chamber is less, can run quick-frozen module continuously so that the temperature of refrigerating chamber is down to predetermined value fast, improve the performance of refrigerator.
According to the refrigerator of the embodiment of the present invention, comprising: quick-frozen module, ring temperature sensor and controller.Specifically, described ring temperature sensor is for detecting the environment temperature outside described refrigerator; Described controller is connected with described ring temperature sensor and quick-frozen module respectively, and the temperature that described controller detects according to described ring temperature sensor controls described quick-frozen module.
According to the refrigerator of the embodiment of the present invention, the environment temperature detected by ring temperature sensor is controlled quick-frozen module and runs, thus, when refrigerator is placed in quick-frozen pattern, quick-frozen module can not run always, but according to the temperature of external environment, quick-frozen module is run with different states, because the continuous cooling of quick-frozen module causes the temperature of temperature-changing chamber too low when avoiding ambient temperature too low, improve the practicality of refrigerator, avoid, by freezing for the food in temperature-changing chamber, being user-friendly to.
According to one embodiment of present invention, have refrigerating chamber and temperature-changing chamber in described refrigerator, adopt thermal-insulation baffle plate spaced apart between described refrigerating chamber and described temperature-changing chamber, described quick-frozen module is used for freezing to described refrigerating chamber.Thus, by thermal-insulation baffle plate by refrigerating chamber and temperature-changing chamber spaced apart, reduce the temperature of refrigerating chamber to the impact of temperature-changing chamber temperature, effectively serve the effect of insulation, the cold in refrigerator not only can be avoided to reveal, the temperature of temperature-changing chamber can also be avoided too low, be convenient to the food fresh keeping in temperature-changing chamber, improve the practicality of refrigerator.
According to one embodiment of present invention, also comprise the freezer temperature sensor for detecting freezer temperature, described freezer temperature sensor is connected with described controller, and the temperature that described controller detects according to described ring temperature sensor and described freezer temperature sensor controls described quick-frozen module.Thus, when environment temperature is lower, the temperature of refrigerating chamber can be detected, the temperature of refrigerating chamber is controlled in predetermined scope, avoid the too low temperature affecting temperature-changing chamber of freezer temperature, improve the usability of refrigerator, and make refrigerator of the present invention more intelligent, the convenient control to refrigerator.
According to one embodiment of present invention, described ring temperature sensor is be located at the thermistor on the outer surface of described refrigerator.Thus, make the volume of ring temperature sensor little, easy for installation, improve the efficiency of assembling of refrigerator, and avoid ring temperature sensor to take the space of refrigerator, improve space availability ratio, in addition, also make the good looking appearance of refrigerator, improve the aesthetic property of refrigerator.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the refrigerator of one embodiment of the present of invention.
Fig. 2 is the flow chart of the control method of the refrigerator of one embodiment of the present of invention.
Fig. 3 is the flow chart of the environment temperature of the refrigerator of one embodiment of the present of invention control method when being less than temperature preset value.
Fig. 4 is the flow chart of the environment temperature of the refrigerator of another embodiment of the present invention control method when being less than temperature preset value.
Reference numeral: refrigerator 100, quick-frozen module 110, ring temperature sensor 120, controller 130, freezer temperature sensor 140.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Current refrigerator quick-frozen control law method is that compressor is not shut down, and the freezing n hour of request always, as 48h.Use this control method, if during refrigerator quick-frozen, cryogenic temperature is asked always, now freezing temperature can be very low, as-35 DEG C, if and now user's temperature-changing chamber temperature sets 5 DEG C, cryogenic temperature can have influence on temperature-changing chamber temperature, if cryogenic temperature is too low, can low for the temperature band of temperature-changing chamber, as-2 DEG C, now can freezing for the food of temperature-changing chamber, particularly during low ring temperature.For this reason, the present invention proposes a kind of novel refrigerator and control method thereof.
Describe the refrigerator of the embodiment of the present invention with reference to the accompanying drawings in detail.
As shown in Figure 1, according to the refrigerator 100 of the embodiment of the present invention, comprising: quick-frozen module 110, ring temperature sensor 120 and controller 130.
Specifically, ring temperature sensor 120 is for detecting the environment temperature outside refrigerator 100.Controller 130 is connected with ring temperature sensor 120 and quick-frozen module 110 respectively, and the temperature that controller 130 detects according to ring temperature sensor 120 controls quick-frozen module 110.When the environment temperature that ring temperature sensor 120 detects is too low, controller 130 controls quick-frozen module 110 and avoids the too low temperature affecting temperature-changing chamber of freezer temperature.
According to the refrigerator of the embodiment of the present invention, the environment temperature detected by ring temperature sensor 120 is controlled quick-frozen module 110 and runs, thus, when refrigerator is placed in quick-frozen pattern, quick-frozen module 110 can not run always, but according to the temperature of external environment, quick-frozen module 110 is run with different states, because the continuous cooling of quick-frozen module 110 causes the temperature of temperature-changing chamber too low when avoiding ambient temperature too low, improve the practicality of refrigerator, avoid, by freezing for the food in temperature-changing chamber, being user-friendly to.
In addition, refrigerator of the present invention also has miscellaneous part, can not be described in detail known this area in prior art.
Further, in some embodiments of the invention, have refrigerating chamber (not shown) and temperature-changing chamber (not shown) in refrigerator 100, adopt thermal-insulation baffle plate (not shown) spaced apart between refrigerating chamber and temperature-changing chamber, quick-frozen module 110 is for freezing to refrigerating chamber.Thus, by thermal-insulation baffle plate by refrigerating chamber and temperature-changing chamber spaced apart, reduce the temperature of refrigerating chamber to the impact of temperature-changing chamber temperature, effectively serve the effect of insulation, the cold in refrigerator not only can be avoided to reveal, the temperature of temperature-changing chamber can also be avoided too low, be convenient to the food fresh keeping in temperature-changing chamber, improve the practicality of refrigerator.
Advantageously, this refrigerator 100 also comprises the freezer temperature sensor 140 for detecting freezer temperature, freezer temperature sensor 140 is connected with controller 130, and the temperature that controller 130 detects according to ring temperature sensor 120 and freezer temperature sensor 140 controls quick-frozen module 110.Thus, when environment temperature is lower, the temperature of refrigerating chamber can be detected, the temperature of refrigerating chamber is controlled in predetermined scope, avoid the too low temperature affecting temperature-changing chamber of freezer temperature, improve the usability of refrigerator, and make refrigerator 100 of the present invention more intelligent, the convenient control to refrigerator.
Further, ring temperature sensor 120 is for being located at the thermistor on the outer surface of refrigerator 100.Thus, make the volume of ring temperature sensor 120 little, easy for installation, improve the efficiency of assembling of refrigerator, and avoid ring temperature sensor 120 to take the space of refrigerator, improve space availability ratio, in addition, also make the good looking appearance of refrigerator, improve the aesthetic property of refrigerator.
Describe the control method of the refrigerator of the embodiment of the present invention with reference to the accompanying drawings in detail.
As shown in Figures 2 to 4, according to the control method of the refrigerator of the embodiment of the present invention, described method comprises: when needs refrigerator carries out quick-frozen, starts quick-frozen pattern.Detect the environment temperature outside refrigerator, relatively environment temperature and ring temperature preset value, and environmentally the comparative result of temperature and ring temperature preset value controls quick-frozen module and freezes to the refrigerating chamber of described refrigerator, when environment temperature is higher, the temperature impact of quick-frozen on temperature-changing chamber is less, then adopt first kind of way to control the operation of quick-frozen module, when environment temperature is lower, the temperature impact of quick-frozen on temperature-changing chamber is higher, then adopt mode in second to control the operation of quick-frozen quick-frozen module.When reaching the condition exiting quick-frozen pattern, exit quick-frozen pattern.
According to the control method of the refrigerator of the embodiment of the present invention, the operation of quick-frozen module is controlled according to different environment temperatures, thus, when refrigerator is placed in quick-frozen pattern, quick-frozen module can not run always, but according to the temperature of external environment, quick-frozen module is run with different states, because the continuous cooling of quick-frozen module causes the temperature of temperature-changing chamber too low when avoiding ambient temperature too low, improve the serviceability of refrigerator, avoid freezing for the food in temperature-changing chamber, make refrigerator more intelligent, be user-friendly to.
Further, due to ring temperature lower time, the quick-frozen of the refrigerating chamber temperature impact on temperature-changing chamber is comparatively large, and therefore, as shown in Figure 2, if environment temperature is less than ring temperature preset value, then control quick-frozen module makes the temperature of refrigerating chamber in preset temperature range.Thus, control the operation of quick-frozen module, avoid the temperature of refrigerating chamber too low, make the temperature of refrigerating chamber in preset range, the quick-frozen that can reduce refrigerating chamber, on the impact of temperature-changing chamber temperature, avoids the temperature of temperature-changing chamber to be down to too low, thus is convenient to the fresh-keeping of food in temperature-changing chamber.
Advantageously, as shown in Figure 3, in examples more of the present invention, the method also comprises the temperature detecting refrigerating chamber, and compare freezer temperature and freezer temperature preset value, if freezer temperature is greater than freezer temperature preset value, run quick-frozen module, if freezer temperature is not more than freezer temperature preset value, do not run quick-frozen module.Thus, the temperature of refrigerating chamber can be controlled, in predetermined temperature range, make refrigerator more intelligent.
In addition, as shown in Figure 4, in other examples of the present invention, the method also comprises the temperature detecting refrigerating chamber, and compare freezer temperature and refrigerating chamber preset temperature range, if freezer temperature is greater than the maximum of refrigerating chamber preset temperature range, then runs quick-frozen module and make freezer temperature be not more than refrigerating chamber preset temperature range minimum of a value, if freezer temperature is less than the minimum of a value of refrigerating chamber preset temperature range, then do not run quick-frozen module.Thus, effectively make the temperature of refrigerating chamber in preset range, and reduce the running time of quick-frozen module, reduce the operating cost of refrigerator, energy-conserving and environment-protective.
Certainly, above-mentioned control method when being less than ring temperature preset value to environment temperature is only specific embodiments more of the present invention, in prior art, other sections all can be used for the present invention for the control method controlling freezer temperature, and this is understandable for those of ordinary skill in the art.
Further, as shown in Figure 2, in some embodiments of the invention, if environment temperature is not less than ring temperature preset value, then quick-frozen module is run continuously.Thus, when environment temperature is higher, the impact of quick-frozen on temperature-changing chamber of refrigerating chamber is less, can run quick-frozen module continuously so that the temperature of refrigerating chamber is down to predetermined value fast, improve the performance of refrigerator.
Fig. 2 shows the flow chart of the control method of the refrigerator of one embodiment of the present of invention, wherein, and T
ringfor the environment temperature that ring temperature sensor records, T
ring' be ring temperature preset value.As shown in Figure 2, when needs refrigerator enters quick-frozen pattern, start quick-frozen pattern, and testing environment temperature T
ring, compare the environment temperature T detecting and reach
ringwith ring temperature preset value T
ring'.If T
ringbe less than T
ring', then control freezer temperature in predetermined temperature range; If T
ringbe not less than T
ring', then run quick-frozen module continuously.When reaching the condition exiting quick-frozen module, exit quick-frozen module.
The environment temperature that Fig. 3 shows the refrigerator of one embodiment of the present of invention is less than the flow chart of ring temperature preset value period control method, and as shown in Figure 3, T1 is the temperature of refrigerating chamber, and T2 is freezer temperature preset value.Specifically, if the temperature T1 of refrigerating chamber is greater than freezer temperature preset value, then runs quick-frozen module, if freezer temperature T1 is less than freezer temperature preset value T2, then do not run quick-frozen module; Continue to detect freezer temperature, and repeat above-mentioned control procedure.Meanwhile, in quick-frozen mode operation process, need the temperature of duplicate detection refrigerating chamber, and whether run according to temperature control quick-frozen module.
The environment temperature that Fig. 4 shows the refrigerator of another embodiment of the present invention is less than the flow chart of default ring temperature preset value period control method, as shown in Figure 4, the temperature that T1 ' is refrigerating chamber, T2 ' is the minimum of a value of freezer temperature preset range, and T3 ' is the maximum of freezer temperature preset value.Specifically, comprise the steps:
If T1 ' < is T2 ', then do not run quick-frozen module, and continue the temperature detecting refrigerating chamber;
If T1 ' >=T2 ', then compare T1 ' and T3 ', if T1 '≤T3 ', then do not change the ruuning situation of quick-frozen assembly and continue to detect freezer temperature, if T1 ' > is T3 ', then running quick-frozen module;
Continue to detect temperature of refrigerating chamber T1 ', if T1 ' < is T2 ', quick-frozen module out of service, if T1 ' is more than or equal to T2 ', continues to run quick-frozen module.
In addition, in quick-frozen mode operation process, need the temperature of duplicate detection refrigerating chamber, and whether run according to temperature control quick-frozen module.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (6)
1. a control method for refrigerator, is characterized in that, the method comprises:
Start quick-frozen pattern;
Detect the environment temperature outside refrigerator, relatively environment temperature and ring temperature preset value, and environmentally the comparative result of temperature and ring temperature preset value controls quick-frozen module and freezes to the refrigerating chamber of described refrigerator, if environment temperature is less than ring temperature preset value, then controlling quick-frozen module makes the temperature of refrigerating chamber in preset temperature range, if described environment temperature is not less than ring temperature preset value, then run quick-frozen module continuously;
Exit quick-frozen pattern;
Described method is also included in the temperature detecting described refrigerating chamber when environment temperature is less than ring temperature preset value, and compare freezer temperature and freezer temperature preset value, if described freezer temperature is greater than described freezer temperature preset value, run quick-frozen module, if described freezer temperature is not more than described freezer temperature preset value, do not run quick-frozen module.
2. the control method of refrigerator according to claim 1, it is characterized in that, described method is also included in the temperature detecting described refrigerating chamber when environment temperature is less than ring temperature preset value, and more described freezer temperature and refrigerating chamber preset temperature range, if described freezer temperature is greater than the maximum of described refrigerating chamber preset temperature range, then running quick-frozen module makes freezer temperature be not more than refrigerating chamber preset temperature range minimum of a value, if described freezer temperature is less than the minimum of a value of described refrigerating chamber preset temperature range, then do not run quick-frozen module.
3. a refrigerator, is characterized in that, comprising:
Quick-frozen module;
For detecting the ring temperature sensor of the environment temperature outside described refrigerator;
Controller, described controller is connected with described ring temperature sensor and quick-frozen module respectively, the temperature that described controller detects according to described ring temperature sensor controls described quick-frozen module, if environment temperature is less than ring temperature preset value, then controlling quick-frozen module makes the temperature of refrigerating chamber in preset temperature range, if described environment temperature is not less than ring temperature preset value, then run quick-frozen module continuously, the temperature of described refrigerating chamber is detected when environment temperature is less than ring temperature preset value, and compare freezer temperature and freezer temperature preset value, if described freezer temperature is greater than described freezer temperature preset value, run quick-frozen module, if described freezer temperature is not more than described freezer temperature preset value, do not run quick-frozen module.
4. refrigerator according to claim 3, is characterized in that, has refrigerating chamber and temperature-changing chamber in described refrigerator, adopts thermal-insulation baffle plate spaced apart between described refrigerating chamber and described temperature-changing chamber, and described quick-frozen module is used for freezing to described refrigerating chamber.
5. refrigerator according to claim 3, it is characterized in that, also comprise the freezer temperature sensor for detecting freezer temperature, described freezer temperature sensor is connected with described controller, and the temperature that described controller detects according to described ring temperature sensor and described freezer temperature sensor controls described quick-frozen module.
6. the refrigerator according to any one of claim 3-5, is characterized in that, described ring temperature sensor is be located at the thermistor on the outer surface of described refrigerator.
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| CN201310308932.8A CN103388955B (en) | 2013-07-22 | 2013-07-22 | Refrigerator and control method thereof |
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| CN108106322A (en) * | 2017-11-21 | 2018-06-01 | 广州美的华凌冰箱有限公司 | Progress control method, device, refrigerator and computer readable storage medium |
| CN110873492A (en) * | 2018-08-30 | 2020-03-10 | 青岛海尔特种电冰柜有限公司 | Refrigeration equipment and control method thereof |
| CN109883132A (en) * | 2019-01-28 | 2019-06-14 | 珠海格力电器股份有限公司 | A kind of controlling method for refrigerator, device, storage medium and refrigerator |
| CN113945038A (en) * | 2020-07-15 | 2022-01-18 | 海信（山东）冰箱有限公司 | Temperature adjusting method and device for refrigerator compartment, computer readable medium and refrigerator |
| CN114061253B (en) * | 2020-08-04 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Control method of single-system refrigerator |
| CN112665303A (en) * | 2020-12-28 | 2021-04-16 | Tcl家用电器（合肥）有限公司 | Refrigerator control method and device, refrigerator and computer readable storage medium |
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| CN203454598U (en) * | 2013-07-22 | 2014-02-26 | 合肥美的电冰箱有限公司 | Refrigerator |
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| JP2002062009A (en) * | 2000-08-11 | 2002-02-28 | Fujitsu General Ltd | Electric refrigerator |
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| US5524447A (en) * | 1993-08-09 | 1996-06-11 | Samsung Electronics Co., Ltd. | Temperature control method of refrigerator |
| KR100208364B1 (en) * | 1997-07-16 | 1999-07-15 | 윤종용 | Refrigerator and its control method |
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