CN100552340C - The defroster of refrigerator and control method thereof - Google Patents
The defroster of refrigerator and control method thereof Download PDFInfo
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- CN100552340C CN100552340C CNB2005100141369A CN200510014136A CN100552340C CN 100552340 C CN100552340 C CN 100552340C CN B2005100141369 A CNB2005100141369 A CN B2005100141369A CN 200510014136 A CN200510014136 A CN 200510014136A CN 100552340 C CN100552340 C CN 100552340C
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Abstract
The invention discloses a kind of defroster and control method thereof of refrigerator.Refrigerator defroster of the present invention comprises: be installed in the evaporimeter in the cool-air feed portion that is positioned at refrigerating chamber wall one side; The auxiliary evaporator of when evaporator defrost, working; Be installed in the cool-air feed portion, the fan of the cold air in the above-mentioned refrigerating chamber that is used to circulate.According to the present invention, energy stable maintenance refrigerating chamber temperature inside when the defrosting running of refrigerator, and can reduce power consumption.
Description
Technical field
The present invention relates to a kind of refrigerator, particularly relate to a kind of defroster and control method thereof of refrigerator.
Background technology
In general, refrigerator generally by about 3 ℃～4 ℃ of temperature, the refrigerating chamber that is used for chilled food and temperature below 0 ℃, the refrigerating chamber that is used for frozen food constitutes.
Below the principle of above-mentioned refrigerator is carried out simple declaration.
Refrigerant in the refrigerator refrigerant pipe by compressor boil down to high-temperature high-pressure state after, be transported to condenser along the refrigerant pipe.Afterwards, move to expansion valve along the refrigerant pipe after above-mentioned refrigerant is liquefied in condenser, behind expansion valve, changing the low-temp low-pressure state into then.In addition, to the heat of refrigerant around the transient absorption of gasification that evaporimeter moves, the refrigerator body temperature inside is descended along the refrigerant pipe, thus can be in preserve foods under the low-temperature condition.
But, refrigerator after long-time running, can occur on the evaporimeter in the refrigerating chamber freezing, phenomenon such as frosting (below be commonly referred to as ' frosting ').If the function of self just can not be normally carried out in frosting on above-mentioned evaporimeter, evaporimeter, the power consumption of refrigerator can increase.Therefore, can operate as normal in order to make evaporimeter, will remove the frost on the above-mentioned evaporimeter.For common refrigerator in the past, in order to remove above-mentioned frost, evaporimeter need decommission a period of time, and the starting heater adjacent with evaporimeter.
Below in conjunction with Fig. 1 the defroster of refrigerator in the past is elaborated.
Refrigerator in the past is made of refrigerating chamber 1 and refrigerating chamber 2, is formed with the 1a of cool-air feed portion that cold air is provided to above-mentioned refrigerating chamber 1 in a side of the internal face of refrigerating chamber.The evaporimeter 3 that can produce cold air is installed in the 1a of cool-air feed portion, the fan 5 of above-mentioned cold air and the heater 4 that is used to remove the frost on the evaporimeter are used to circulate.Above-mentioned refrigerator periodically carries out defrosting running from the frost on the evaporimeter to refrigerating chamber that the normal operation of cold air is provided and removes repeatedly.
Above-mentioned evaporimeter 3 provides cold air to refrigerating chamber 1 when refrigerator runs well.In addition, fan 5 is positioned at a side of cool-air feed portion, and the cold air that evaporimeter 3 is generated circulates to refrigerating chamber.That is, fan 5 makes cold air carry out forced convertion, and the food of refrigerating chamber is maintained low-temperature condition.But evaporimeter 3 and fan 5 are not worked when refrigerator carries out defrost operation, only are positioned at heater 4 runnings of evaporimeter bottom this moment.
In the refrigerator in the past, though all there are differences between every kind of refrigerator, all be to carry out defrost operation generally, and judge whether to finish defrosting by defrosting detecting sensor (not shown) with about 10 hours cycle.Refrigerator in the past, after defrosting finished, the refrigerating chamber temperature inside can rise to more than 0 ℃ sometimes.
Above-mentioned refrigerating chamber is the space of stored under refrigeration food, and holds concurrently to storing the pickle keeping chamber of pickles.Above-mentioned refrigerating chamber separates formation with refrigerating chamber, and disposes independent refrigerating chamber evaporimeter (7) and fan (8) sometimes in order to provide cold air to refrigerating chamber inside.
But above-mentioned refrigerator defroster in the past has following several shortcoming:
The first, in order to remove the frost on the evaporimeter, and stop the running of evaporimeter, and the starting heater, so can make the refrigerating chamber temperature inside rise, make frozen food to melt;
The second, after finishing, defrosting needs refrigerating chamber is cooled off again, so that the temperature in the refrigerating chamber drops to defrosting temperature before, so the freezing efficiency of refrigerator is descended;
The 3rd, during white on removing evaporimeter, do not use other internal heat resource, but only use heater, so the shortcoming that exists power consumption to increase.
Summary of the invention
Solve above-mentioned shortcoming of the prior art, the object of the present invention is to provide a kind of refrigerator when running defrosting can the stable maintenance refrigerating chamber the refrigerator defroster and the control method thereof of internal temperature.
Another object of the present invention is to, provide a kind of can the safekeeping frozen food and can improve the refrigerator defroster and the control method thereof of refrigerator refrigeration efficient in refrigerator when running defrosting.
Another purpose of the present invention is, a kind of refrigerator defroster and control method thereof that can reduce power consumption when refrigerator defrosting running is provided.
In order to achieve the above object, the technical scheme of the defroster of refrigerator of the present invention is as follows:
A kind of defroster of refrigerator, described refrigerator comprise the evaporimeter of the cool-air feed portion that is installed in internal face one side that is arranged in refrigerating chamber; Be installed in the auxiliary evaporator of in the cool-air feed portion, when carrying out evaporator defrost, working and be installed in the above-mentioned cool-air feed portion, be used for the fan of circulating frozen chamber cold air, described defroster comprises the air throttle of regulating refrigerating chamber circulating cold air path when evaporimeter defrosted, described air throttle comprises when evaporimeter defrosted, close evaporimeter and connect the 1st air throttle of stream and the 2nd air throttle that open auxiliary evaporator is connected stream, described defroster also comprises the air introducing device of introducing refrigerating chamber air in described cool-air feed portion.
Above-mentioned air introducing device comprises that connecting the 3rd of cool-air feed portion and refrigerating chamber is connected stream and controls the 3rd air throttle whether the refrigerating chamber air is supplied with.
The control method of above-mentioned refrigerator defroster, comprise: air throttle control stage and control that the evaporimeter that the evaporimeter of control refrigerating chamber and auxiliary evaporator operate is controlled the circulating path of stage, the control cold air that evaporimeter produced provide the heater of the heater of heat to control the stage to evaporimeter, and described control method also comprises to the air of the cool-air feed portion introducing refrigerating chamber air of refrigerating chamber introduces the stage.
In addition, the above-mentioned air introducing stage comprises: temperature and the temperature comparison phase of refrigeration indoor air temperature and the control stage of the 3rd air throttle of control refrigerating chamber air inflow of comparing refrigerating chamber cool-air feed portion.
The technical scheme of the defroster of another kind of refrigerator of the present invention is as follows:
A kind of defroster of refrigerator, described refrigerator comprise the cool-air feed portion that is arranged on the inner side of refrigerating chamber wall; Be arranged on the fan in the cool-air feed portion; Be arranged on the evaporimeter in the cool-air feed portion; Be installed in the fan that the refrigerating chamber in the refrigerating chamber is used with evaporimeter and circulation cold air, described defroster comprises: when evaporimeter was defrosted, the refrigerating chamber between blocking-up refrigerating chamber and the cool-air feed portion connected the stream occluding device of stream; Be used for the air introducing adjusting device whether air that air with refrigerating chamber is drawn into the fan of cool-air feed portion and control refrigerating chamber sucks.
The defroster of above-mentioned refrigerator also is included in the heater that the evaporimeter in cool-air feed portion when evaporimeter defrosted provides heat.
Above-mentioned air is introduced adjusting device and is preferably included: connect supply whether the 3rd air throttle that the 3rd of cool-air feed portion and refrigerating chamber is connected stream and control refrigerating chamber air.In addition, above-mentioned stream occluding device preferably includes: the refrigerating chamber between blocking-up cool-air feed portion and the refrigerating chamber inside connects the air throttle of stream and the air throttle control device of controlling above-mentioned air throttle.
The control method of aforesaid refrigerator defroster of the present invention comprises: stream blocking-up stage that the cool-air feed portion of blocking-up refrigerating chamber wall one side and the refrigerating chamber between the refrigerating chamber inside connect stream and the air introducing stage of introducing the refrigerating chamber air to the cool-air feed portion of refrigerating chamber.The control method of the defroster of above-mentioned refrigerator preferably also comprises the heater control stage that the subtend evaporimeter provides the heater of heat to control.
In more detail, above-mentioned air introducing stage comprises: relatively the stage of cool-air feed portion's temperature and temperature of refrigerating chamber, control suck air and supply to control stage of fan of cool-air feed portion and control flows into supply whether the 3rd air throttle of the air in the cool-air feed portion from refrigerating chamber control stage from refrigerating chamber.
Refrigerator defroster of the present invention has following several effect:
The first, when carrying out the defrost operation of refrigerator, use auxiliary evaporator, can stable maintenance refrigerating chamber temperature inside so have.
The second, when carrying out the defrost operation of refrigerator, be used to regulate the air throttle and the refrigerating chamber air of circulating cold air, so when defrosting, can not influence the freezing of food, improved the freezing efficiency of refrigerator.
The 3rd, when carrying out the defrost operation of refrigerator, use heater and refrigerating chamber air together, perhaps only utilize the refrigerating chamber air, can reduce power consumption.
Description of drawings
Fig. 1 is the longitudinal profile schematic diagram of refrigerator defroster in the past.
Fig. 2 is the longitudinal sectional drawing of first embodiment of refrigerator defroster of the present invention.
Fig. 3 is the flow chart of the control method of refrigerator defroster in the first embodiment of the present invention.
Fig. 4 is the longitudinal sectional drawing of second embodiment of refrigerator defroster of the present invention.
Fig. 5 is the flow chart of the control method of refrigerator defroster in the second embodiment of the present invention.
Wherein:
10: refrigerating chamber 13: cool-air feed portion
20: refrigerating chamber 31: evaporimeter
33: auxiliary evaporator 40: heater
50: 61: the 1 air throttles of fan
Air throttle 71 in 63: the 2: evaporimeter connects stream
73: auxiliary evaporator connects 81: the 3 air throttles of stream
Connected stream 91 in 83: the 3: air throttle
93: air throttle control device 95: refrigerating chamber connects stream
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
Figure 2 shows that first kind of embodiment of refrigerator defroster of the present invention.
As shown in Figure 2, refrigerator of the present invention comprises the refrigerating chamber 10 of stored frozen food and the refrigerating chamber 20 of stored under refrigeration food.In addition, preferably be provided for storing the pickle keeping chamber 21 of pickles and the storeroom 23 of chilled food for 20 li separately at refrigerating chamber.
Side at the internal face of above-mentioned refrigerating chamber 10 is formed with the cool-air feed portion 13 that cold air is provided to refrigerating chamber.In addition, in above-mentioned cool-air feed portion 13, be provided with the evaporimeter 31 that is used to generate cold air, the fan 50 of cold air that is used to circulate, the auxiliary evaporator 33 of working during at evaporator defrost and the heater 40 of needs during at evaporator defrost.But the present invention does not use heater, but adopts the mode that operates the cooling system circulating path in the other direction, makes evaporimeter play the effect of condenser, thereby removes the frost on the evaporimeter.Also can remove frost on the evaporimeter with warm water.
Above-mentioned evaporimeter 31 is installed in the cool-air feed portion 13 of wall one side that is arranged in refrigerating chamber, and evaporimeter 31 is not worked during evaporator defrost.In addition, be formed with the evaporimeter that refrigerant is flowed on the position of evaporimeter 31 and connect stream 71 installing, and at the two ends that evaporimeter connects stream 71 the 1st air throttle 61 is installed, the supply of regulating above-mentioned cold air whether.That is, during white on removing evaporimeter, the 1st air throttle 61 is closed the connection stream 71 of evaporimeter, opens the connection stream 71 of evaporimeter after defrosting finishes.And only the heater 40 that uses when evaporator defrost is and evaporimeter 31 adjacent installations.In more detail, heater 40 preferably is installed in the bottom of evaporimeter.
Above-mentioned auxiliary evaporator 33 is installed in the cool-air feed portion 13, and only work when evaporimeter 31 defrostings.As hereinbefore, the auxiliary evaporator that is formed with cold air flow on the position that auxiliary evaporator 33 is installed connects stream 73, and the two ends that connect stream at auxiliary evaporator are equipped with the 2nd air throttle 63, and whether the supply of control cold air.That is, during white on removing evaporimeter 31, the 2nd air throttle 63 is opened the connection stream 73 of auxiliary evaporator, and closes the connection stream 73 of auxiliary evaporator after defrosting finishes.
Said fans 50 plays the effect that cold air is provided to refrigerating chamber, and not only running when evaporimeter 31 runnings, also turns round when auxiliary evaporator 33 runnings.And said fans 50 is installed in a side of cool-air feed portion 13, but preferably between auxiliary evaporator 33 and evaporimeter 31.
Above-mentioned refrigerating chamber 20 forms in a side of refrigerator body, and is made of the storeroom 23 of chilled food and the pickle keeping chamber 21 of keeping pickles.But above-mentioned refrigerating chamber also can not be equipped with independent pickle keeping chamber.And, with described in the prior art identical, the fan 85 of the refrigerating chamber air that is used to circulate be installed in the above-mentioned refrigerating chamber and the evaporimeter 87 of cold air is provided to refrigerating chamber inside.
But the present invention for to the evaporator defrost in the refrigerating chamber, can make the higher relatively air of temperature in the refrigerating chamber unlike the prior art.In more detail, during for white on removing evaporimeter 31, introduce the air of refrigerating chambers to cool-air feed portion 13, at the inner air introducing device 80 of installing of the wall of above-mentioned refrigerating chamber.
Above-mentioned air introducing device 80 comprises: connect above-mentioned cool-air feed portion 13 and be connected stream 83 with the 3rd of refrigerating chamber 20, open and close the above-mentioned the 3rd and connect stream and control the 3rd air throttle 81 whether the refrigerating chamber air flows into.Certainly, in order to regulate air introducing device 80, at cool- air feed portion 13 and 20 li mounting temperature sensors of refrigerating chamber (not shown).In addition, also can be installed in above-mentioned the 3rd air throttle 81 in the refrigerating chamber, and the above-mentioned the 3rd connect stream 83 and directly do not connect refrigerating chamber and refrigerating chamber, connect stream 83 but can constitute the above-mentioned the 3rd with independent tube connector.In addition, the present invention is not only limited to the foregoing description, also is applicable on the defroster of all refrigerators such as double-open type refrigerator and hidden door formula refrigerator.
Specify the control method of above-mentioned refrigerator defroster of the present invention below in conjunction with Fig. 3.
For the frost that generates on the evaporimeter of removing refrigerator, when refrigerator begins defrost operation, at first control the evaporimeter and the auxiliary evaporator (S10) of refrigerating chamber.In more detail, stop the running of the evaporimeter of refrigerating chamber cool-air feed portion one side, start the auxiliary evaporator of refrigerating chamber cool-air feed portion opposite side.That is, the evaporimeter that utilizes the 1st air throttle to cut out in the above-mentioned cool-air feed portion connects stream 71 (S31), utilizes the connection stream 73 (S32) of the open auxiliary evaporator of the 2nd air throttle.Then, under not the situation of the air of refrigerating chamber, start the heater of evaporimeter bottom, provide heat (S70) to evaporimeter as the thermal source of heating fumigators.As a result, evaporimeter only utilizes heater to heat in the space of sealing.
And, during white on removing above-mentioned evaporimeter,, directly do not drive heater in stage (S30) back through the above-mentioned air throttle of control if use the air of refrigerating chamber, but the air (S50) of introducing refrigerating chamber earlier.This be because: in the defrosting running incipient stage, the temperature of refrigerating chamber is than the cool-air feed portion temperature height of refrigerating chamber.
Then, in order to introduce the air of refrigerating chamber, be through the comparison phase (S51) of cool-air feed portion temperature and temperature of refrigerating chamber.This be because: before heater work, even the temperature of refrigerating chamber air is higher relatively, but after after a while, in the time of heater work, the temperature of cool-air feed portion can rise, that is to say that after after a while, the temperature of the air in the refrigerating chamber will be suitable with the temperature in the cool-air feed portion.
Through above-mentioned comparison to temperature, if the temperature of cool-air feed portion is used the 3rd air throttle than the temperature height of refrigerating chamber, the 3rd between closing cool air supply unit and the refrigerating chamber connects stream (S53).This be because: if the temperature of refrigerating chamber is low than the temperature of cool-air feed portion, just can not heat above-mentioned evaporimeter, but cool off evaporimeter.On the contrary, if the temperature of cool-air feed portion is low than the temperature of refrigerating chamber, then use the 3rd air throttle, the open above-mentioned the 3rd connects stream.
Then, behind the air of introducing refrigerating chamber, start heater (S70), and whether finish (S90) by defrosting detecting sensor perception defrosting.If defrosting is finished, the normal operation of refrigerator is then carried out in the running that then stops to defrost again.But,, then come back to the refrigerating chamber air and introduce the stage (S50) if defrosting is not finished.
Another embodiment below in conjunction with accompanying drawing 4 explanations refrigerator defroster of the present invention.
The defroster of above-mentioned refrigerator comprises: the fan 50 that the air in the refrigerating chamber is sucked cool-air feed portion 13; Control is introduced air whether air to cool-air feed portion 13 and is introduced adjusting device 80; Block the stream occluding device 90 of the refrigerating chamber connection stream 95 between above-mentioned cool-air feed portion and the refrigerating chamber inside.
Said fans 50 is installed in the cool-air feed portion 13 of the inner side of refrigerating chamber wall.And said fans 50 plays the effect of the indoor cold air of circulating frozen when refrigerator runs well, and still different with aforesaid first embodiment is when the defrosting running, to play the effect that sucks the refrigerating chamber air.
Above-mentioned air is introduced adjusting device 80 and is caught up with that to state first embodiment identical, comprising: connect the 3rd of cool-air feed portion and refrigerating chamber and is connected stream 83 and controls the 3rd air throttle 81 whether above-mentioned refrigerating chamber air is introduced.Above-mentioned the 3rd air throttle 81 is installed in refrigerating chamber or the refrigerating chamber, and the above-mentioned the 3rd connect stream 83 and can directly connect refrigerating chamber and refrigerating chamber, connects stream 83 but also can form the above-mentioned the 3rd with independent tube connector.
Above-mentioned stream occluding device 90 connects the air throttle 91 of stream 95 by the refrigerating chamber between blocking-up refrigerating chamber and the cool-air feed portion and the air throttle control device 93 of the above-mentioned air throttle of control constitutes.Above-mentioned air throttle control device 93 is connected with the control part (not shown) of refrigerator, opens the connection stream 95 of refrigerating chamber when the refrigerator operate as normal, blocks the connection stream 95 of refrigerating chamber when the defrosting running fully.
The evaporimeter 31 of present embodiment is different with the first above-mentioned embodiment, an evaporimeter only is set in cool-air feed portion 13, and evaporimeter 31 is not worked during carrying out evaporator defrost.And above-mentioned evaporimeter 31 preferably uses plate shaped evaporimeter.But, in the present embodiment, when being defrosted, evaporimeter 31 do not use heater, the air of the refrigerating chamber that just circulates, and running at this moment also can defrost.Certainly, also can heater 40 be installed, follow the air of refrigerating chamber to provide heat to evaporimeter together in the bottom of above-mentioned evaporimeter.
It is identical to catch up with first embodiment that states, the fan 85 that provides the refrigerating chamber of cold air to use with evaporimeter 87 and circulation cold air to refrigerating chamber in 20 li installations of refrigerating chamber of refrigerator.Owing in the first embodiment of the present invention, it is had been described in detail, so no longer repeat specification here.
Below in conjunction with Fig. 5 the control method of above-mentioned refrigerator defroster is elaborated.
When refrigerator carries out defrost operation, at first use the stream occluding device, the refrigerating chamber between blocking-up refrigerating chamber and the cool-air feed portion connects stream (S300).Then, introduce the air (S500) of refrigerating chamber to cool-air feed portion.The temperature (S510) in the more above-mentioned refrigerating chamber of serviceability temperature sensor and the cool-air feed portion always when introducing the refrigerating chamber air.And, according to the temperature comparative result of above-mentioned refrigerating chamber and cool-air feed portion, the fan that sucks the refrigerating chamber air is controlled with switching the 3rd the 3rd air throttle that is connected stream.In more detail, if the temperature of refrigerating chamber than the temperature height of cool-air feed portion, starts the fan (S530) of cool-air feed portion, and open the 3rd air throttle, the air (S550) of refrigerating chamber is introduced in continuation.On the contrary, if the temperature of the temperature of refrigerating chamber and cool-air feed portion reaches thermal balance and has identical temperature, then stop the running (S530) of said fans, and close the 3rd air throttle, interrupt the introducing (S550) of refrigerating chamber air.
Afterwards, use the defrosting detecting sensor to measure the defrosting running and whether finish (S900),, then finish the defrosting running, run well if defrosting is finished.On the contrary,, then use heater, remove frost residual on the evaporimeter (S700) if defrosting is not finished.Therefore, above-mentioned heater is caught up with the first embodiment difference of stating, running after the introducing of refrigerating chamber air finishes.As a result, in the present embodiment, do not use heater can remove the frost that generates on the evaporimeter yet.
The present invention is not limited to the foregoing description, and those of ordinary skill in the art can have various embodiments not breaking away from the scope of the inventive concept, and these embodiment also belong in the scope of the invention.
Claims (11)
1. the defroster of a refrigerator, described refrigerator comprises the evaporimeter of the cool-air feed portion that is installed in internal face one side that is arranged in refrigerating chamber; Be installed in the cool-air feed portion, the auxiliary evaporator of when carrying out evaporator defrost, working and being installed in the above-mentioned cool-air feed portion, the fan that is used for circulating frozen chamber cold air, described defroster comprises the air throttle of regulating refrigerating chamber circulating cold air path when evaporimeter defrosted, described air throttle comprises when evaporimeter defrosted, close evaporimeter and connect the 1st air throttle of stream and the 2nd air throttle that open auxiliary evaporator is connected stream, it is characterized in that: described defroster also comprises the air introducing device of introducing refrigerating chamber air in described cool-air feed portion.
2. the defroster of refrigerator according to claim 1 is characterized in that: described air introducing device comprises that connecting the 3rd of cool-air feed portion and refrigerating chamber is connected stream and controls the 3rd air throttle whether the refrigerating chamber air is supplied with.
3. the control method of a refrigerator defroster, comprise: in the heater control stage of the air throttle control stage of the evaporimeter control stage of control evaporimeter of refrigerating chamber and auxiliary evaporator running, the circulating path of the control cold air that evaporimeter produced and control provide heater from heat to evaporimeter, it is characterized in that: the cool-air feed portion to refrigerating chamber of also comprising introduces the air of refrigerating chamber air and introduces the stage.
4. the control method of refrigerator defroster according to claim 3, it is characterized in that the described air introducing stage comprises: temperature and the temperature comparison phase of refrigeration indoor air temperature and the control stage of the 3rd air throttle of control refrigerating chamber air inflow of comparing refrigerating chamber cool-air feed portion.
5. the defroster of a refrigerator, described refrigerator comprise the cool-air feed portion that is arranged on the inner side of refrigerating chamber wall; Be arranged on the fan in the cool-air feed portion; Be arranged on the evaporimeter in the cool-air feed portion; Be installed in the fan that the refrigerating chamber in the refrigerating chamber is used with evaporimeter and circulation cold air, it is characterized in that described defroster comprises: when evaporimeter was defrosted, the refrigerating chamber between blocking-up refrigerating chamber and the cool-air feed portion connected the stream occluding device of stream; Be used for the air introducing adjusting device whether air that air with refrigerating chamber is drawn into the fan of cool-air feed portion and control refrigerating chamber sucks.
6. the defroster of refrigerator according to claim 5 is characterized in that, also is included in the heater that the evaporimeter in cool-air feed portion when evaporimeter defrosted provides heat.
7. according to the defroster of claim 5 or 6 described refrigerators, it is characterized in that described air is introduced adjusting device and comprised: the 3rd supply whether the 3rd air throttle that is connected stream and regulates above-mentioned refrigerating chamber air that connects cool-air feed portion and refrigerating chamber.
8. according to the defroster of claim 5 or 6 described refrigerators, it is characterized in that described stream occluding device comprises: the blocking-up refrigerating chamber connects the air throttle of stream and the air throttle control device of control air throttle.
9. the control method of a refrigerator defroster, it is characterized in that, comprising: stream blocking-up stage that the cool-air feed portion of blocking-up refrigerating chamber wall one side and the refrigerating chamber between the refrigerating chamber inside connect stream and the air introducing stage of introducing the refrigerating chamber air to the cool-air feed portion of refrigerating chamber.
10. the control method of refrigerator defroster according to claim 9 is characterized in that, also comprises the heater control stage that the subtend evaporimeter provides the heater of heat to control.
11. the control method according to claim 9 or 10 described refrigerator defrosters is characterized in that, the described air introducing stage comprises: the comparison phase that compares cool-air feed portion's temperature and temperature of refrigerating chamber; Control sucks stage of fan of refrigerating chamber air and control flow into the 3rd the air throttle whether air in the cool-air feed portion supply with from refrigerating chamber the control stage to cool-air feed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100141369A CN100552340C (en) | 2005-06-29 | 2005-06-29 | The defroster of refrigerator and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100141369A CN100552340C (en) | 2005-06-29 | 2005-06-29 | The defroster of refrigerator and control method thereof |
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| CN1888761A CN1888761A (en) | 2007-01-03 |
| CN100552340C true CN100552340C (en) | 2009-10-21 |
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| CN108278829A (en) * | 2018-02-07 | 2018-07-13 | 青岛海尔股份有限公司 | A kind of refrigerator |
| CN108413687A (en) * | 2018-02-07 | 2018-08-17 | 青岛海尔股份有限公司 | A kind of refrigerator |
| CN108362067A (en) * | 2018-02-07 | 2018-08-03 | 青岛海尔股份有限公司 | A kind of refrigerator |
| CN113915898B (en) * | 2021-05-27 | 2023-04-25 | 海信冰箱有限公司 | Refrigerator and control method thereof |
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Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
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Effective date of registration: 20091225 Address after: Yingbin Road, Taizhou Economic Development Zone, No. 2 Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20140629 |
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| EXPY | Termination of patent right or utility model |