CN101398246A - Refrigerator - Google Patents

Abstract

A refrigerator according to the invention can settle the problem of overgreat temperature increase of refrigerating chamber and simultaneously execute the defrosting of cooler used by the refrigerating chamber. Commonly the refrigerating chamber activates a fan used by the refrigerating chamber for executing the defrosting of cooler used by the refrigerating chamber in a freezing mode. Furthermore, the switching from the freezing mode to a cold preserving mode is executed independently from the detection result of cooler temperature sensor used by the refrigerating chamber. At a state that a special condition is satisfied, the fan used by the refrigerating chamber is activated in the freezing mode and the defrosting of cooler used by the refrigerating chamber is executed (step A202, A203). Furthermore when the detection result of the cooler temperature sensor used by refrigerating chamber is above a first preset temperature (YES in step A205), the switching (step A208-A210) from the freezing mode to the cold preserving mode is executed.

Description

Refrigerator

Technical field

The present invention relates to have carried out the refrigerator of the relevant improvement that refrigerating chamber is defrosted with cooler.

Background technology

In the past, in refrigerator, possess refrigerating chamber and refrigerating chamber, and has the refrigerating chamber cooler that provides for the cooling of refrigerating chamber, the refrigerating chamber cooler that provides for the cooling of refrigerating chamber, with the refrigerating chamber cooler Defrost heater of refrigerating chamber with the cooler heating, the air contact that makes refrigerating chamber refrigerating chamber with cooler on and the refrigerating chamber fan of circulation, with the refrigerating chamber chiller temperature sensor of detection refrigerating chamber with the temperature of cooler, also possess and have by above-mentioned refrigerating chamber with the frozen mode of cooler refrigerating chamber cooling, and by refrigerating chamber with the refrigeration pattern of cooler with the refrigerating chamber cooling, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of refrigerating chamber usefulness cooler by refrigerating chamber with the cooler Defrost heater, refrigerating chamber is moved with fan carry out the controlling organization (for example with reference to patent documentation 1) of above-mentioned refrigerating chamber with the defrosting of cooler.

[patent documentation 1] TOHKEMY 2000-88439 communique

In said structure, particularly, when the cooling running (frozen mode) of the refrigerating chamber that carries out with cooler by refrigerating chamber, refrigerating chamber is moved with fan carry out the defrosting of refrigerating chamber with cooler.So, rising by the temperature of refrigerating chamber with cooler, refrigerating chamber also rises with the detected temperatures of chiller temperature sensor, after it has reached the defrosting end temp, stops with fan by making refrigeration, and refrigerating chamber finishes with the defrosting of cooler.

Then, finish frozen mode, transfer to the cooling running (refrigeration pattern) of the refrigerating chamber that carries out with cooler by refrigerating chamber, if the refrigeration pattern finishes, then transfer to frozen mode, and refrigerating chamber is moved with fan, carry out the defrosting of refrigerating chamber with cooler.

Repeat this action, in a word, refrigerating chamber is moved with fan carry out the defrosting of refrigerating chamber, and carry out the end of this defrosting based on refrigerating chamber with the testing result of chiller temperature sensor with cooler.

But, under the situation of this structure, refrigerating chamber exists with ... the detected temperatures of refrigerating chamber with the chiller temperature sensor with the end of the defrosting of cooler, even the temperature of refrigerating chamber rises, as long as refrigerating chamber does not detect the temperature (defrosting end temp) of allowing that defrosting finishes with the chiller temperature sensor, just continue the defrosting of refrigerating chamber with cooler, do not transfer to the refrigeration pattern, so have in the temperature problem that rise too high, that so-called excessive temperature raises of refrigerating chamber with the time point refrigerating chamber of the defrosting end of cooler.

To this, do not carry out the end of refrigerating chamber if do not exist with ... refrigerating chamber with the detected temperatures of chiller temperature sensor with the defrosting of cooler, even then refrigerating chamber does not detect the defrosting end temp with the chiller temperature sensor, also can finish refrigerating chamber and transfer to the refrigeration pattern with the defrosting of cooler, so can solve the too much problem of temperature rising of refrigerating chamber.But in the case, refrigerating chamber does not rise to the temperature (defrosting end temp) of regulation with the temperature of cooler, does not carry out the defrosting of refrigerating chamber with cooler reliably.As a result, even transfer to the refrigeration pattern, owing to residual frost is arranged in cooler at refrigerating chamber, so can not carry out the cooling of refrigerating chamber expeditiously, bring the decline of cooling performance, and consumption electric power is increased, so present uneconomic problem that becomes in order to compensate it.

Summary of the invention

The present invention In view of the foregoing makes, therefore, its objective is provide a kind of when the temperature that solves refrigerating chamber rises too much problem, can carry out the refrigerator of refrigerating chamber with the reliable defrosting of cooler.

In order to achieve the above object, in refrigerator of the present invention, the 1st, it is characterized in that possessing refrigerating chamber and refrigerating chamber, and possess: the refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates; Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; And controlling organization, carry out whole control; Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer (invention of technical scheme 1) of above-mentioned frozen mode to above-mentioned refrigeration pattern.

In refrigerator of the present invention, the 2nd, it is characterized in that possessing refrigerating chamber and refrigerating chamber, and possess: the refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; And controlling organization, carry out whole control; Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is being moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater and carry out of the defrosting (invention of technical scheme 2) of above-mentioned refrigerating chamber with cooler.

In refrigerator of the present invention, the 3rd, it is characterized in that possessing refrigerating chamber and refrigerating chamber, and possess: the refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; And controlling organization, carry out whole control; Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater and carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer (invention of technical scheme 3) of above-mentioned frozen mode to above-mentioned refrigeration pattern.

In refrigerator of the present invention, the 4th, it is characterized in that possessing refrigerating chamber and refrigerating chamber, and possess: the refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates; Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; And controlling organization, carry out whole control; Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, at box outside temperature is under the situation of low temperature, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer (invention of technical scheme 22) of above-mentioned frozen mode to above-mentioned refrigeration pattern.

In refrigerator of the present invention, the 5th, it is characterized in that possessing refrigerating chamber and refrigerating chamber, and possess: the refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates; Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler; Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; And controlling organization, carry out whole control; Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, at box outside temperature is under the situation of low temperature, above-mentioned refrigerating chamber is moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater to carry out the defrosting (invention of technical scheme 23) of above-mentioned refrigerating chamber with cooler.

The invention effect:

According to above-mentioned the 1st means (invention of technical scheme 1), normally in frozen mode, carry out the situation of refrigerating chamber with the action of fan with the defrosting of cooler by refrigerating chamber, not existing with ... refrigerating chamber carries out with the testing result of chiller temperature sensor from the transfer of frozen mode to the refrigeration pattern, so even refrigerating chamber does not detect the defrosting end temp with the chiller temperature sensor, also can finish refrigerating chamber and transfer to the refrigeration pattern with the defrosting of cooler, can solve the too much problem of temperature rising of refrigerating chamber.

In the case, do not rise to the temperature (defrosting end temp) of regulation with the temperature of cooler for refrigerating chamber, worry not carry out reliably the defrosting of refrigerating chamber with cooler, satisfying under the situation of specified conditions, refrigerating chamber is moved with fan carry out the defrosting of refrigerating chamber with cooler, and working as refrigerating chamber is that the 1st set point of temperature is carried out from the control of frozen mode to the refrigeration mode shifts when above with the testing result of chiller temperature sensor, so can carry out the reliable defrosting of refrigerating chamber with cooler, the result, can be not refrigerating chamber with cooler on residual frost and carry out the cooling of refrigerating chamber expeditiously, can not cause the decline of cooling performance, and can save power consumption.

According to the 2nd means (invention of technical scheme 2), satisfying under the situation of specified conditions, refrigerating chamber is moved with the cooler Defrost heater with fan and refrigerating chamber carry out the defrosting of refrigerating chamber with cooler, so can carry out the more reliable defrosting of refrigerating chamber with cooler, the result, more can be not refrigerating chamber with cooler on residual frost and carry out the cooling of refrigerating chamber expeditiously, the decline of cooling performance can be more not can caused, and the further saving of electric power can be realized consuming.

According to the 3rd means (invention of technical scheme 3), refrigerating chamber in the frozen mode under the situation that satisfies specified conditions with the action of cooler Defrost heater with the action and the refrigerating chamber of fan by refrigerating chamber can access the action effect same with the 1st means with the defrosting of cooler.

According to the 4th means (invention of technical scheme 22), carrying out refrigerating chamber is that box outside temperature is the situation of low temperature with the condition in reliable when defrosting of cooler, can access the action effect same with the 1st means in addition.

According to the 5th means (invention of technical scheme 23), carrying out refrigerating chamber is that box outside temperature is the situation of low temperature with the condition in more reliable when defrosting of cooler, can access the action effect same with the 2nd means in addition.

Description of drawings

Fig. 1 is one of flow chart of expression the 1st embodiment of the present invention.

Fig. 2 is two of a flow chart.

Fig. 3 is three of a flow chart.

Fig. 4 is the flow chart of each one of representing with the variations in temperature of each one.

Fig. 5 is the vertical profile side view of refrigerator main body.

Fig. 6 is the structure chart of freeze cycle.

Fig. 7 is the block diagram of electrical structure.

Fig. 8 is the figure corresponding to Fig. 1 of expression the 2nd embodiment of the present invention.

Fig. 9 is the figure corresponding to Fig. 2.

Figure 10 is the figure corresponding to Fig. 3.

Figure 11 is the figure corresponding to Fig. 4.

Figure 12 is the figure corresponding to Fig. 1 of expression the 3rd embodiment of the present invention.

Figure 13 is the figure corresponding to Fig. 2.

Figure 14 is the figure corresponding to Fig. 3.

Figure 15 is the figure corresponding to Fig. 4.

Figure 16 is the figure corresponding to Fig. 1 of expression the 4th embodiment of the present invention.

Figure 17 is the figure corresponding to Fig. 4.

Figure 18 is the figure corresponding to Fig. 1 of expression the 5th embodiment of the present invention.

Figure 19 is the figure corresponding to Fig. 2.

Figure 20 is the figure corresponding to Fig. 3.

Figure 21 is the figure corresponding to Figure 18 of expression the 6th embodiment of the present invention.

The specific embodiment

Below, referring to figs. 1 through Fig. 7 the 1st embodiment of the present invention (the 1st embodiment) is described.

At first, Fig. 5 represents the overall structure of refrigerator, with the inside of main body cabinet 1 with 3 central partition wall 2,3,4 up and down from upward be divided into refrigerating chamber 5 successively, specification is switched chamber 6, vegetable compartment 7 and refrigerating chamber 8.

In refrigerating chamber 5, be provided with multistage shelf 9, and below them, be provided with container 10, in specification switching chamber 6, be provided with container 11.In addition, have container 12,13 in vegetable compartment 7, in refrigerating chamber 8, have container 14,15 on also.

Switching chamber 6 portion in the vegetable compartment 7 from specification, be provided with two cooler chambers 18,19 by former and later two next doors 16,17, be equipped with refrigerating chamber therein in the cooler chamber 18 of front side with cooler 20 and refrigerating chamber fan 21, in the cooler chamber 19 of rear side, be equipped with refrigerating chamber cooler 22 and refrigerating chamber fan 23.

Refrigerating chamber with cooler 20 for refrigerated compartment 5 specification during with the refrigeration specification switch chamber 6 and vegetable compartment 7 provides, the specification switching chamber 6 when refrigerating chamber makes refrigerating chamber 5 and refrigerates specification with fan 21 and the air of vegetable compartment 7 contact refrigerating chamber with cooler 20 on and shown in arrow among Fig. 5, circulate like that.

On the other hand, the refrigerating chamber cooling that the specification during with freezing specification is switched chamber 6 for refrigerating chamber 8 with cooler 22 provides, the air of the specification switching chamber 6 when refrigerating chamber makes refrigerating chamber 8 with freezing specification with fan 23 contact refrigerating chamber with cooler 22 on and shown in arrow among Fig. 5, circulate like that.

In addition, in the air circulation path of refrigerating chamber 5, intake section at refrigerating chamber 5, be equipped with the refrigerator temperature sensor 24 of the temperature that detects refrigerating chamber 5, in the air circulation path of refrigerating chamber 8, at the intake section of refrigerating chamber 8, be equipped with the freezer temperature sensor 25 of the temperature that detects refrigerating chamber 8.

Use in the cooler 20 at refrigerating chamber, set up the refrigerating chamber cooler Defrost heater 26 that for example constitutes that is heated by the heater of being with aluminium foil, with in the cooler 22, set up the refrigerating chamber cooler Defrost heater 27 that for example constitutes that is heated at refrigerating chamber by pipe heater.In addition, use on the cooler 20, set up the refrigerating chamber chiller temperature sensor 28 that detects its temperature, with on the cooler 22, set up the refrigerating chamber chiller temperature sensor 29 that detects its temperature at refrigerating chamber at refrigerating chamber.

And then, below refrigerating chamber usefulness cooler 20, be equipped with the draining guiding gutter 30 of the white Xie Shui that acceptance falls with cooler 20 from refrigerating chamber, in addition, below refrigerating chamber usefulness cooler 22, be equipped with the draining guiding gutter 31 of the white Xie Shui that acceptance falls with cooler 22 from refrigerating chamber, below each of these draining guiding gutters 30,31, be equipped with draining guiding gutter heater 32,33 they heating.

In addition, set scupper hose 35,36 from draining guiding gutter 30,31 respectively to the Machine Room 34 of the back of the body bottom that is formed on main body cabinet 1.In Machine Room 34, be equipped with evaporating dish 38 with compressor 37, above-mentioned scupper hose 35,36 will be directed on this evaporating dish 38 by the white Xie Shui that draining guiding gutter 30,31 is accepted respectively.

In addition, on main body cabinet 1, pivotal mounting has switches the door 39,40,41,42 that the peristome of the front separately of chamber 6, vegetable compartment 7 and refrigerating chamber 8 opens and closes with refrigerating chamber 5, specification, opens and closes therein on the door 39 of peristome of refrigerating chamber 5, is provided with multistage pocket 43 in the inboard.

Expression is based on the freeze cycle 44 of above-mentioned compressor 37 in Fig. 6, in this freeze cycle 44, connecting valve, particularly carrying out the inlet portion 46a of the three-way valve 46 that the stream of cold-producing medium switches via condensed device 45 from the 37a of the portion that spues of compressor 37.And, with a 46b of export department of three-way valve 46 successively via as the 1st capillary 47 of freezing flow controller, refrigerating chamber with cooler 22 and accumulator 48, with the 46c of another export department of three-way valve 46 successively via as refrigeration with the 2nd capillary 49 of flow controller and refrigerating chamber with cooler 20, all be connected on the 37b of suction portion of compressor 37.In addition, be equipped with the part of condensed device 45 below the bottom of above-mentioned evaporating dish 38, the heat of the part by this condensed device 45 makes the white Xie Shui evaporation that directs into as described above on the evaporating dish 38.

In Fig. 7, expression is as the control device 50 of the controlling organization of the molar behavior of the above-mentioned refrigerator of control.This control device 50 for example is made of microcomputer, from the various operation signals of the operation inputting part that constitutes by various console switch 51 inputs with not shown guidance panel, and from above-mentioned refrigerator temperature sensor 24, freezer temperature sensor 25, refrigerating chamber with chiller temperature sensor 28 and refrigerating chamber with chiller temperature sensor 29 input temp detection signals respectively.

And, control device 50 is imported based on these and is reached the control program of storing in advance, controls above-mentioned refrigerating chamber fan 21, refrigerating chamber fan 23, refrigerating chamber cooler Defrost heater 26, refrigerating chamber cooler Defrost heater 27, refrigerating chamber cooler draining guiding gutter heater 32, refrigerating chamber cooler draining guiding gutter heater 33, compressor 37, three-way valve 46 via drive circuit 52.

The effect of said structure then, is described.

Fig. 1 to Fig. 3 represents the control content of control device 50.Wherein, at first, as shown in Figure 1, if " F cooling " (steps A 1) then carried out in the action of beginning control device 50.Should " F cooling " be running, the frozen mode that cool off the specification switching chamber 6 during to refrigerating chamber 8 and freezing specification, particularly, under the state of drive compression machine 37, make a peristome 46b open (46c of another export department is closed) of three-way valve 46, and refrigerating chamber is carried out with fan 23 actions.

Thus, in freeze cycle 44, repetition compressed by compressor 37 and by the condensing cold-producing medium of condensed device 45 by the 1st capillary 47, be evaporated at refrigerating chamber, get back to circulation in the compressor 37 through accumulator 48 with cooler 22, thus, refrigerating chamber is with cooler 22 low temperatureization.In addition, at this moment, the air that specification when refrigerating chamber makes refrigerating chamber 8 with freezing specification with fan 23 is switched chamber 6 contact refrigerating chamber with cooler 22 on and circulate, so the specification switching chamber 6 when refrigerating chamber 8 and freezing specification is cooled.

In addition, carry out " action of R fan " (steps A 2) this moment." R fan " is refrigerating chamber with fan 21, by its action, circulates on cooler 20 while the air of specification switching chamber 6 when making refrigerating chamber 5 and refrigeration specification and vegetable compartment 7 contacts at refrigerating chamber.

Then, whether the cumulative time of carrying out F cooling becomes above judgement (steps A 3) of stipulated time.The stipulated time of this moment is to carry out the cumulative time of refrigerating chamber with the defrosting of cooler 22, for example is 10 hours.

In above-mentioned steps A3,, then carry out " R evaporator temperature " and whether become the above judgement (steps A 4) of set point of temperature if be judged as less than (NO) more than the stipulated time." R evaporator temperature " is the temperature of being used cooler 20 by refrigerating chamber with chiller temperature sensor 28 detected refrigerating chambers, " set point of temperature " is to allow the temperature (defrosting end temp) of refrigerating chamber with the end of the defrosting of cooler 20, for example is 3 ℃ in the case.

In above-mentioned steps A4, become set point of temperature above (YES: refrigerating chamber has reached the defrosting end temp with the temperature of cooler 20) if judge " R evaporator temperature ", then then make " R fan " (refrigerating chamber with fan 21) stop (steps A 5).Thus, refrigerating chamber 5 and the specification of refrigeration during specification are switched chamber 6 and vegetable compartment 7 air, contact in the circulation of refrigerating chamber and stops with 20 whiles of cooler.

Then, carry out " R temperature " whether become set point of temperature above or " F temperature " whether become set point of temperature following or " F cool time " whether become above judgement (steps A 6) of stipulated time." R temperature " is the temperature by refrigerator temperature sensor 24 detected refrigerating chambers 5, is the temperature that the cooling of refrigerating chamber 5 requires about its set point of temperature, for example is 3 ℃.In addition, " F temperature " is the temperature by freezer temperature sensor 25 detected refrigerating chambers 8, is the cooling end temp of refrigerating chamber 8 about its set point of temperature, for example is-22 ℃.And then " F cool time " is the time of implementation of above-mentioned frozen mode, about its stipulated time be the time that will transfer to " R cooling " described later, for example be 60 minutes.

In above-mentioned steps A6, not (NO) if be judged as, repeating step A6 then, any (YES) if the judgment is Yes then finishes " F cooling " (steps A 7).In the case, the end of " F cooling " is that refrigerating chamber is stopped with fan 23.

Then, carry out " R cooling " (steps A 8)." R cooling " is the running that the specification during with refrigerating chamber 5 and refrigeration specification is switched chamber 6 and vegetable compartment 7 coolings, promptly refrigerate pattern, particularly, under the state of drive compression machine 37, make the 46c of another export department open (46b of export department is closed) of three-way valve 46, and refrigerating chamber is carried out with fan 21 actions.

Thus, in freeze cycle 44, repeat to be compressed by compressor 37 and by the condensing cold-producing medium of condensed device 45 by the 2nd capillary 49, be evaporated the circulation of getting back in the compressor 37 in cooler 20 at refrigerating chamber, thus, refrigerating chamber usefulness cooler 20 low temperatureization.In addition, this moment refrigerating chamber with fan 21 make air that refrigerating chamber 5 and the specification of refrigeration during specification are switched chamber 6 and vegetable compartment 7 contact refrigerating chamber with cooler 20 on and circulate, so specification switching chamber 6 and the vegetable compartment 7 of refrigerating chamber 5 when refrigerating specification is cooled.

Then, carry out " R temperature " whether become set point of temperature following or " F temperature " whether become set point of temperature above or " R cool time " whether become above judgement (steps A 9) of stipulated time.In the case, for the temperature that the cooling of permission refrigerating chamber 5 finishes, for example be 1 ℃ about the set point of temperature of " R temperature ".In addition, be the temperature that should begin the cooling of refrigerating chamber 8 about the set point of temperature of " F temperature ", for example be-18 ℃.And then, about stipulated time of " R cool time " be the time that finish the cooling of refrigerating chamber 5, for example be 40 minutes.

In above-mentioned steps A9, not (NO) if be judged as, repeating step A9 then, any (YES) if the judgment is Yes then finishes " R cooling " (steps A 10), gets back to steps A 1.

In " action of R fan " of the next steps A 2 of the steps A 1 after returning, air that refrigerating chamber 5 and the specification of refrigeration during specification switch chamber 6 and vegetable compartment 7 is circulated on cooler 20 while contacting at refrigerating chamber, carry out the defrosting of refrigerating chamber usefulness cooler 20 thus.In addition, this moment, the specification when refrigerating chamber 5 and refrigeration specification was switched in chamber 6 and the vegetable compartment 7, supplied with the air that has suitable moisture by refrigerating chamber with the defrosting of cooler 20, so increased suitable moistening.

After, by repeating above-mentioned steps A1～A10, in frozen mode, make refrigerating chamber carry out the defrosting that refrigerating chamber is used cooler 20 with fan 21 actions.

To this, in steps A 4, be not the above (NO of set point of temperature if be judged as " R evaporator temperature ", refrigerating chamber does not reach the defrosting end temp with the temperature of cooler 20), judge then whether " R temperature " becomes more than the set point of temperature or whether " F cool time " becomes more than the stipulated time (steps A 11).In the case, be the temperature of the cooling of requirement refrigerating chamber 5 about the set point of temperature of " R temperature ", for example be 3 ℃, about the stipulated time of " F cool time ", be the time of the cooling (R cooling) that transfer to refrigerating chamber 5, for example be 60 minutes.

In above-mentioned steps A11, any (YES) if the judgment is Yes then carries out refrigerating chamber and do not reach the counting (particular count) (steps A 12) of situation of defrosting end temp with cooler 20, advances to steps A 7, promptly finishes the F cooling and shifts to the R cooling.Therefore, in the case, do not exist with ... refrigerating chamber and carry out with the testing result of chiller temperature sensor 28 from the transfer of frozen mode to the refrigeration pattern.

In above-mentioned steps A11, not (NO) if be judged as, then get back to steps A 3.

Then, in steps A 3,, then transfer to " defrosting mode " if be judged as the stipulated time above (YES).

In " defrosting mode ", as shown in Figure 2, carry out precooling (steps A 101) at first.This precooling be make the temperature of refrigerating chamber 8 than common cryogenic temperature lower (for example-24 ℃) so that the temperature of refrigerating chamber 8 can not rise to more than the common cryogenic temperature (for example-22 ℃) when following the refrigerating chamber carried out with the defrosting of cooler 22, by than usually more at high speed drive compression machine 37 carry out.

Then, finish precooling (steps A 102), then, carry out the judgement (steps A 103) more than N time (for example 3 times) that whether the number of times counted is regulation in above-mentioned steps A102.In this steps A 103, not above (NO) N time if be judged as, then make F evaporimeter heater open (steps A 104).The unlatching of this F evaporimeter heater is to make refrigerating chamber with 27 actions (heating) of cooler Defrost heater, carries out the defrosting (refrigerating chamber cooler defrosting mode) of refrigerating chamber with cooler 22 thus.

Then, judge (steps A 105) to whether becoming more than the set point of temperature with the temperature (F evaporator temperature) of cooler 22 with chiller temperature sensor 29 detected refrigerating chambers by refrigerating chamber, be not set point of temperature above (NO) if be judged as, repeating step A105 then, if be judged as set point of temperature above (YES), then make F evaporimeter heater close (stopping the action of refrigerating chamber) (steps A 106), get back to the above-mentioned steps A1 after the beginning shown in Figure 1 with cooler Defrost heater 27.

On the other hand, in above-mentioned steps A103, N time above (YES) if the judgment is Yes, the then then unlatching (steps A 107) of F evaporimeter heater makes R evaporimeter heater open (steps A 108).The unlatching of R evaporimeter heater is to make refrigerating chamber with 26 actions (heating) of cooler Defrost heater, carries out the defrosting (refrigerating chamber cooler defrosting mode) of refrigerating chamber with cooler 20 thus.

Then, through with the same steps A 109 of steps A 105, the steps A 110 same with steps A 106, transfer to " AD HOC ".

" AD HOC " empties (steps A 201) with the initial number of times of counting as shown in Figure 3 in steps A 12, then, and through the steps A 202～208 same with above-mentioned steps A1～A7.That is, Yi Bian carry out frozen mode, Yi Bian make refrigerating chamber carry out the defrosting that refrigerating chamber is used cooler 20 with fan 21 actions.In addition, continue the action of refrigerating chamber this moment, therefore, carry out the defrosting of refrigerating chamber usefulness cooler 20 with the action of cooler Defrost heater 26 with the action and the refrigerating chamber of fan 21 powerfully by refrigerating chamber with cooler Defrost heater 26.

Then, make the action of R evaporimeter heater (refrigerating chamber with cooler Defrost heater 26) stop (steps A 209), and transfer to " R cooling " (specification during with refrigerating chamber 5 and refrigeration specification is switched the running of chamber 6 and vegetable compartment 7 coolings) (steps A 210).In the case, in steps A 207, to judge that " R evaporator temperature " becomes set point of temperature above (YES: refrigerating chamber has reached the defrosting end temp with the temperature of cooler 20) is condition, therefore, in the case from frozen mode (F cooling) to the transfer of refrigeration pattern (R cooling) be refrigerating chamber with the testing result of chiller temperature sensor 28 become the 1st set point of temperature, promptly the end temp that defrosts is carried out when above.

Then, steps A 211, A212 through same with above-mentioned steps A9, A10 get back to steps A 201.

In addition, in steps A 205, do not become set point of temperature above (NO) if be judged as " R evaporator temperature ", then get back to steps A 204, in this steps A 204, become the stipulated time above (YES) if judge the cumulative time of F cooling, then transfer to " defrosting mode " shown in Figure 2 of front.

Fig. 4 is with in the above action of the flowcharting of the variation of temperature of each one and each one, based on the particular count of N time in the common running (3 times), to defrosting mode, then to the action of AD HOC transfer.

Like this, in this structure, normally in frozen mode, carry out the defrosting (steps A 1, A2) of refrigerating chamber with the action of fan 21, do not exist with ... refrigerating chamber and carry out from the transfer (steps A 11, A12, A7, A8) of frozen mode to the refrigeration pattern with the testing result of chiller temperature sensor 28 with cooler 20 by refrigerating chamber.Thus,, also can finish refrigerating chamber and transfer to the refrigeration pattern, can solve the too much problem of temperature rising of refrigerating chamber with the defrosting of cooler 20 even refrigerating chamber does not detect the defrosting end temp with chiller temperature sensor 28.

In the case, do not rise to the temperature (defrosting end temp) of regulation with the temperature of cooler 20 for refrigerating chamber, worry not carry out reliably the defrosting of refrigerating chamber with cooler 20, satisfying (YES in steps A 103) under the situation of specified conditions, in frozen mode, make refrigerating chamber carry out the defrosting (steps A 202 that refrigerating chamber is used cooler 20 with AD HOC with fan 21 actions, A203), then refrigerating chamber with the testing result of chiller temperature sensor 28 be the 1st set point of temperature (defrosting end temp) when above (YES in the steps A 205) execution from the transfer (steps A 208～A210) of frozen mode to the pattern of refrigeration, so can carry out the reliable defrosting of refrigerating chamber with cooler 20, the result, can be not refrigerating chamber with cooler 20 in residual frost and carry out the cooling of refrigerating chamber 5 expeditiously, the decline that can not bring cooling performance can be made, and power consumption can be saved.

In addition, under the situation of this structure, under satisfying the situation of specified conditions (YES in the steps A 103), in frozen mode, make refrigerating chamber carry out the defrosting that refrigerating chamber is used cooler 20 with 26 actions of cooler Defrost heater with AD HOC with fan 21 and refrigerating chamber, so can carry out the more reliable defrosting of refrigerating chamber with cooler 20, the result, can refrigerating chamber with cooler 20 in not residual more frost and carry out the cooling of refrigerating chamber 5 expeditiously, can make reduction that more can not bring cooling performance and the further saving that can realize consuming electric power.

And, under the situation of this structure, above-mentioned specified conditions are made as in frozen mode refrigerating chamber can become more than the 1st set point of temperature (defrosting end temp) (NO in the steps A 4) with the testing result of chiller temperature sensor 28.Thus, actual detection temperature according to refrigerating chamber during with the defrosting of chiller temperature sensor 28, can carry out refrigerating chamber in the AD HOC with the defrosting of cooler 20 or from the transfer of frozen mode, so only under the condition of actual needs, can access above-mentioned effect to the refrigeration pattern.

In addition, in the case, specified conditions are made as the situation (YES in the steps A 103) that regulation detects number of times that detects, thus, also comprise and irregularly carry out particular count (イ レ ギ ユ ラ-), in fact only under the condition that more needs, can access above-mentioned effect.

And then, in the case, specified conditions are made as detecting stipulated number to the refrigerating chamber of next time with the cooler defrosting mode with the cooler defrosting mode from the refrigerating chamber of last time, thus, only under the condition of necessity, can access above-mentioned effect in the reality.

In addition, satisfying under the situation of specified conditions, carrying out refrigerating chamber in the frozen mode with the action (steps A 108) of cooler Defrost heater 26 with the cooler defrosting mode by the refrigerating chamber that satisfies behind the specified conditions.Thus, can carry out the defrosting of refrigerating chamber at reasonable time with cooler 20.In the case, also can not carry out refrigerating chamber like this and carry out the action of refrigerating chamber with the action of cooler Defrost heater 26 like this, perhaps also can carry out this both action like this with fan 21.

In addition, satisfying under the situation of specified conditions, finishing to stop refrigerating chamber in the frozen mode with the action (steps A 209) of cooler Defrost heater 26, thus, can carry out the defrosting of refrigerating chamber with suitable length with cooler 20 by frozen mode.In the case, also can not carry out refrigerating chamber like this and carry out the action of refrigerating chamber with the action of cooler Defrost heater 26 like this, perhaps also can carry out this both action like this with fan 21.

In addition, satisfying under the situation of specified conditions, make refrigerating chamber proceed to the frozen mode (steps A 209) of refrigerating chamber after, thus, can carry out further defrosting reliably with cooler 20 refrigerating chamber with the cooler defrosting mode with the action of cooler Defrost heater 26.In the case, also can not carry out refrigerating chamber like this and carry out the action of refrigerating chamber with the action of cooler Defrost heater 26 like this, perhaps also can carry out this both action like this with fan 21.

In addition, the refrigerating chamber in this frozen mode both can proceed to the binding hours that for example waited in 30 minutes with the action of cooler Defrost heater 26, and in addition, the refrigerating chamber that is not limited to next time is used till the cooler defrosting mode, also can cross over a plurality of circulations and carry out.

To this, Fig. 8 to Figure 21 is the figure of expression the 2nd to the 6th embodiment of the present invention (the 2nd to the 6th embodiment), and respectively the part identical with the 1st embodiment is given identical label and omitted explanation, only different parts is described.

[the 2nd embodiment]

At Fig. 8 to the 2nd embodiment shown in Figure 11, with respect to the 1st embodiment, changed specified conditions, refrigerating chamber with the action of cooler Defrost heater 26 regularly, stop timing.

Particularly, at first, as shown in Figure 8, when " action of R fan " after " F cooling " carried out in execution simultaneously, with " F cooling " (frozen mode) and " R cooling " (refrigeration pattern) respectively 1 time be implemented as 1 circulation, count its number of times (step B1).

And, as shown in Figure 9, in defrosting mode, in steps A 103, if being judged as in steps A 12 number of times of counting is not more than N time (NO) of regulation, then carry out the cycle-index in step B1, counted and whether be the judgement (step B101) more than the N ' inferior (for example 20 times) that stipulates, in this step B101, not N ' inferior above (NO) if be judged as, then advance to steps A 104.

To this, in step B101, if be judged as N ' inferior more than, then advance to steps A 107.In addition, in the case, after steps A 107, advance to steps A 109 without above-mentioned steps A108.

Then, when as shown in figure 10, in " AD HOC ", carrying out " F cooling ", carry out the counting of energising (action) time of R evaporimeter heater (refrigerating chamber cooler Defrost heater 26) simultaneously, and carry out the F accumulative total of cool time (step B201).Then, with " action of R fan ", make R evaporimeter heater action (step B202).

Then, in steps A 205, do not become set point of temperature above (NO) if judge " R evaporator temperature ", repeating step A205 then, if be judged as establishment (YES), then after process steps A 206, whether the time that the F that carries out adding up in step B201 cools off becomes the judgement (step B203) more than the stipulated time (for example 1 hour).

Then, in step B203, if be judged as establishment (YES), then make the action of R evaporimeter heater stop (step B204), then, carry out " R temperature " and whether become the above judgement (step B205) of set point of temperature, if be judged as establishment (YES), then get back to normal mode shown in Figure 8, just steps A 7 wherein.

To this, if in step B203, be judged as be false (NO), then advance to steps A 207, in this steps A 207, be (YES) if be judged as all, then advance to steps A 208.On the other hand, in steps A 207, not (NO) if be judged as, then carry out F and whether become above judgement (step B206) of stipulated time (for example 30 minutes) cool time.

In above-mentioned steps B206, if be judged as be false (NO), then get back to steps A 207, if be judged as establishment (YES), then make the action of R evaporimeter heater stop (step B207), then, advance to the step B208 same with steps A 207, in this step B208, any (YES) then advances to steps A 210 if the judgment is Yes.

Fig. 1 of Figure 11 and front similarly represents above action, and the action of R evaporimeter heater regularly and to stop timing different with Fig. 1.

Like this, in the present embodiment, with specified conditions be made as with frozen mode and refrigeration pattern each 1 time be implemented as 1 circulation, and repeat the 1st regulation period (for example 20 times) above (step B1, B101).Along with the circulation of frozen mode with the refrigeration pattern repeated repeatedly, refrigerating chamber becomes many gradually with the frosting degree of cooler 20, so want with refrigerating chamber irrelevant and by regularly bad with the defrost cooling that suppresses continuation of cooler 20 to refrigerating chamber with the temperature of cooler 20.In the case, carry out the action of refrigerating chamber after with the defrosting of cooler 22 carrying out refrigerating chamber with cooler Defrost heater 26, but be not limited to this, also can similarly carry out the action of refrigerating chamber in the defrosting of cooler 22 with the 1st embodiment with cooler Defrost heater 26 at refrigerating chamber.

In addition, satisfying under the situation of specified conditions, satisfying refrigerating chamber behind the specified conditions and finish the back with the cooler defrosting mode and carry out refrigerating chamber in the frozen mode with the action (step B202) of the action of fan 21 and refrigerating chamber with cooler Defrost heater 26.Thus, can carry out the defrosting of refrigerating chamber with suitable timing with cooler 22.In the case, also can not carry out like this refrigerating chamber with the action of cooler Defrost heater 26 and refrigerating chamber with both of the action of fan 21, and only carry out its any like this.

In addition, under the situation that has satisfied specified conditions, by frozen mode is turned round the stipulated time with on stop the action (step B206, B207) of refrigerating chamber with cooler Defrost heater 26.Thus, can carry out the defrosting of refrigerating chamber with suitable length with cooler 20.In the case, also can not carry out the action of refrigerating chamber like this, and carry out the action of refrigerating chamber like this, perhaps also can carry out these both like this with fan 21 with cooler Defrost heater 26.

In addition, satisfy under the situation of specified conditions, above-mentioned refrigerating chamber carries out the counting of refrigerating chamber with the conduction time of cooler Defrost heater 26 with the action and the refrigerating chamber of cooler Defrost heater 26 with the action of fan 21 in step B201, so also can judge thus, also can be like this in the 1st embodiment.

And then, satisfied under the situation of specified conditions, refrigerating chamber also can be carried out in the circulation of the 1st time circulation of above-mentioned frozen mode and refrigeration pattern and which time with the action of cooler Defrost heater 26, but the cumulative time that proceeds to here in the frozen mode becomes above (step B203 of the 3rd stipulated time (for example 1 hour), B204), it becomes more than the stipulated time with the cumulative time that the action of cooler Defrost heater 26 proceeds to them with the action of fan 21 or refrigerating chamber by carry out refrigerating chamber simultaneously in frozen mode, thus, can carry out the defrosting of refrigerating chamber with suitable length with cooler 20.Therefore, in the case, in the circulation after this, also can not carry out the action of refrigerating chamber with cooler Defrost heater 26.And then, also can be like this in the 1st embodiment.In addition, steps A 12 also can be omitted.

[the 3rd embodiment]

At Figure 12 to the 3rd embodiment shown in Figure 15, also with respect to the 1st embodiment changed specified conditions, refrigerating chamber with the action of cooler Defrost heater 26 regularly, stop timing.

Particularly, at first as shown in figure 12, when " action of R fan " after " F cooling " carried out in execution, begin the counting (step C1) of the temperature rise time of R evaporimeter (refrigerating chamber with cooler 20) simultaneously.

And, in steps A 4, if judge by refrigerating chamber to become set point of temperature (defrosting end temp) above (YES), then stop the R fan, and stop the counting (step C2) of the temperature rise time of R evaporimeter with chiller temperature sensor 28 detected " R evaporator temperature ".Then, proceeding to so far, whether the temperature rise time of the R evaporimeter of counting is above judgement (step C3) of stipulated time (for example 30 minutes), in this step C3, if the judgment is Yes more than the stipulated time (YES), the temperature rise time of then counting the R evaporimeter is an above situation (particular count) (step C4) of stipulated time, advances to steps A 6.In addition, in the case, in step C3, not more than the stipulated time, then directly advance to steps A 6 if be judged as.

In defrosting mode shown in Figure 13, in the case, not only judge in steps A 12 number of times of counting, also carry out the judgement (step C103) more than the N ' ' inferior (for example 3 times) that whether number of times counted is regulation in above-mentioned steps C4.In this steps A 103, be judged as be not N ' ' inferior more than under the situation of (NO), carry out the action of F evaporator defrost heater, the judgement of F evaporator temperature, and the action (A104～106) that stops F evaporator defrost heater, get back to the steps A 1 of normal mode shown in Figure 12, being judged as is under the situation of (YES) more than N time, carry out the action of F evaporator defrost heater and R evaporator defrost heater, the judgement of F evaporator temperature, and the action (A107～110) that stops F evaporator defrost heater, advance to specific pattern, this and the 1st embodiment are same.Therefore, inferior if the temperature rise time of R evaporimeter is that above situation of stipulated time has been counted N ' ' in the case, then make the action of R evaporator defrost heater.

In AD HOC shown in Figure 14, when carrying out " F cooling ", counting will " F cooling " (frozen mode) and " R cooling " (refrigeration pattern) simultaneously respectively execution of 1 time as its number of times (step C201) of 1 circulation time.Then, with " action of R fan ", the temperature rise time (step C202) of counting R evaporimeter (refrigerating chamber cooler 20).

Then, in steps A 205, do not become set point of temperature above (NO) if judge " R evaporator temperature ", repeating step A205 then, be judged as establishment (YES), and, carry out the judgement (step C203) more than the N ' ' ' inferior (for example twice) that whether number of times counted is regulation in step C201 through behind steps A 206～A209.In this step C203, be judged as be not N ' ' ' inferior more than after the situation of (NO), through A210～A212, make R evaporimeter heater open (step C204), and get back to steps A 201.

To this, in step C203, be judged as be N ' ' ' inferior more than under the situation of (YES), get back to normal mode shown in Figure 12, steps A wherein 8 thereafter.

Fig. 1 of Figure 15 and front similarly represents above action, the content of the particular count in the common running, based on the action of the R evaporimeter heater of the cycle count in the AD HOC regularly with stop regularly different with Fig. 1.

Like this, according to present embodiment, specified conditions are made as in frozen mode to refrigerating chamber is become more than the 1st set point of temperature (defrosting end temp) with the testing result of chiller temperature sensor 28 needed for the 1st stipulated time more than (for example 30 minutes) (step C3, C103).This be because, if the expensive time during the temperature of cooler 20 of using the refrigerating chamber in defrosting rises, can judge that then refrigerating chamber is more with the frosting degree of cooler 20, by under this condition, carrying out particular count, in fact only under the condition that more needs, can carry out the pressure defrosting of refrigerating chamber with cooler 20.In the case, the refrigerating chamber that also can count in the frozen mode becomes the above time of the 1st set point of temperature (defrosting end temp) with the testing result of chiller temperature sensor 28.

In addition, also only determine in the frozen mode after the refrigerating chamber that is through with is with the defrosting of cooler 22 whether needed for the 1st stipulated time till refrigerating chamber becomes more than the 1st set point of temperature with the testing result of chiller temperature sensor 28 more than.This is because if after refrigerating chamber recovers with the defrosting of cooler 22, the best condition that defrosted with cooler 20 of refrigerating chamber then is so if this moment, refrigerating chamber was slow with the temperature rising of cooler 20, the frosting degree that then can judge rightly is more.

In addition, in this case, under the situation that has satisfied specified conditions, establish frozen mode and refrigeration pattern each 1 time be implemented as 1 circulation, refrigerating chamber in the continuation frozen mode repeats more than the 2nd regulation period (step C203) up to it with the action of cooler Defrost heater 26.Thus, can carry out the defrosting of refrigerating chamber with suitable length with cooler 20.In the case, can not be performed such the action of refrigerating chamber, and carry out the action of refrigerating chamber like this, perhaps carry out this both action like this with fan 21 with cooler Defrost heater 26.In addition, steps A 11 also can be omitted.

[the 4th embodiment]

In Figure 16 and the 4th embodiment shown in Figure 17, also with respect to the 1st embodiment changed specified conditions, refrigerating chamber with the action of cooler Defrost heater 26 regularly, stop regularly.

Particularly, at first, as shown in figure 16, after the execution " F cooling " (steps A 1), whether the number of times that carries out particular count is the judgement (step D1) of the N ' ' ' ' inferior (for example 3 times) of regulation.At this moment, if be judged as the N ' ' ' ' inferior (NO) that is not regulation, then passing through steps A 2 (action of R fan) advances to steps A 4, but Gui Ding N ' ' ' ' inferior (YES) if the judgment is Yes, then make the action of R fan, and after making R evaporimeter heater action (step D2), carry out empty (the step D3) of the counts in step D1, judged, advance to steps A 4.

In steps A 4, be set point of temperature (defrosting end temp) above (YES) if judge " R evaporator temperature ", then make R fan and R evaporimeter heater stop (step D4) after, pass through steps A 6, advance to steps A 7.

On the other hand, in steps A 4, if be judged as " R evaporator temperature " for set point of temperature " the defrosting end temp) above (NO); then advance to steps A 11; in this steps A 11, any (YES) if the judgment is Yes, then steps A 12 (particular count: refrigerating chamber does not reach the counting of the end temp that defrosts with cooler 20); after making R evaporimeter heater stop (step D5), advance to steps A 7.

Fig. 1 of Figure 17 and front similarly represents above action, based on the action of the R evaporimeter heater of the particular count in the common running regularly and to stop timing different with Fig. 1.

Like this, in the present embodiment, satisfying under the situation of specified conditions, carrying out refrigerating chamber in the frozen mode with the action (step D2) of cooler Defrost heater 26 to satisfy frozen mode behind the specified conditions.Thus, can promptly carry out the action of refrigerating chamber, so it is bad promptly to eliminate the cooling of the refrigerating chamber 5 that causes with the frosting of cooler 20 because of refrigerating chamber with cooler Defrost heater 26.In addition, in the case, also can not carry out refrigerating chamber like this and carry out the action of refrigerating chamber with the action of cooler Defrost heater 26 like this, perhaps also can carry out this both action like this with fan 21.

In addition, under the situation that has satisfied specified conditions, it is above and the refrigerating chamber in the frozen mode is stopped (step D4) with the action of cooler Defrost heater 26 to become the 1st set point of temperature (defrosting end temp) by refrigerating chamber with the testing result of chiller temperature sensor 28.Thus, can carry out the defrosting of refrigerating chamber with suitable length with cooler 20.In the case, also can not carry out the action of refrigerating chamber like this, and carry out the action of refrigerating chamber like this, perhaps also can carry out this both action like this with fan 21 with cooler Defrost heater 26.

[the 5th embodiment]

At Figure 18 to the 5th embodiment shown in Figure 20, also with respect to the 1st embodiment changed specified conditions, refrigerating chamber with the action of cooler Defrost heater 26 regularly, stop timing.

Particularly, at first as shown in figure 18, after beginning, carry out " F cooling " (steps A 1) before, carry out box outside temperature and whether be the judgement (step e 1) more than the set point of temperature.In the case, box outside temperature is the outer temperature of refrigerator, is the temperature that the room of refrigerator is set, and detects this temperature by the box outside temperature sensor that is provided with for the temperature that detects the outside from aforementioned body cabinet 1, is input in the control device 50.The set point of temperature of this box outside temperature for example is 10 ℃ in the case.

In above-mentioned steps E1, set point of temperature above (YES) is then advanced to steps A 1～A12 if the judgment is Yes, if but be judged as and be not set point of temperature above (NO is less than 10 ℃ low temperature), then advance to AD HOC.

AD HOC under this situation as shown in Figure 20, beginning after " F cooling " (steps A 202), carry out " action of R fan " (steps A 203) before, make R evaporimeter heater (refrigerating chamber usefulness cooler Defrost heater 26) move (step e 201).

That is, in the case, when box outside temperature is low temperature, in frozen mode, make refrigerating chamber with fan 21 action and make refrigerating chamber, carry out and carry out the control of refrigerating chamber with the defrosting of cooler 20 with 26 actions of cooler Defrost heater.

Except AD HOC, same with the 1st embodiment (Fig. 3), therefore, make frozen mode (F cooling: refrigerating chamber is moved with fan 21, carry out defrosting (the R fan action: step 203) of refrigerating chamber with cooler 20, and, work as refrigerating chamber with the testing result of chiller temperature sensor 28 be the 1st set point of temperature when above (YES in the steps A 205) carry out the control of shifting to refrigeration pattern (R cooling, steps A 210) from frozen mode.

In addition, in the steps A 3 of the steps A 204 of this AD HOC and above-mentioned normal mode, in the defrosting mode under advancing to the situation that the cumulative time that is judged as F cooling becomes (YES) more than the stipulated time respectively, as shown in figure 19, in steps A 103, when judge in steps A 12 counting, do not reach refrigerating chamber and be not more than N time when (NO) of regulation with the number of times of cooler 20 defrosting end temps, E1 is same with above-mentioned steps, and whether carry out box outside temperature is the above judgement (step e 101) of set point of temperature.Set point of temperature in the case also for example is 10 ℃.

In above-mentioned steps E101, if judging box outside temperature is set point of temperature above (YES), then pass through steps A 104, A105, A106 successively, then, as the recovery pattern, (step e 102) carried out the stipulated time in the F cooling, then (step e 103) carried out the stipulated time in the R cooling, begin F cooling (step e 104) again.

Then, the counting (step e 105) of the temperature rise time of beginning R evaporimeter then, carries out " R evaporator temperature " and whether becomes the above judgement (step e 106) of set point of temperature.In this step e 106, become the above (YES of set point of temperature if be judged as, refrigerating chamber has reached the defrosting end temp with the temperature of cooler 20), " R fan " (refrigerating chamber with fan 21) stopped, and the counting of temperature rise time of R evaporimeter is stopped (step e 107).

Then, finish " F cooling " (step e 108), then, carry out " R cooling " (step e 109), whether the temperature rise time of carrying out the R evaporimeter counted again in above-mentioned steps E105～E107 is the judgement (step e 110) more than the stipulated time (for example 30 minutes).Then, in this step e 110, if the judgment is Yes the stipulated time above (YES), then advance to above-mentioned AD HOC, be not the stipulated time above (NO), then advance to the step e 1 of above-mentioned normal mode if be judged as.

To this, in above-mentioned steps E101, not set point of temperature above (NO is the low temperature less than 10 ℃) if be judged as box outside temperature, then pass through steps A 107, A108.That is, in the case, then make F evaporimeter heater action and make the action of R evaporimeter heater.

Then, process and above-mentioned steps A105, A106, same steps A 109, A110, the E111～E116 of E102～E107 make the action of R evaporimeter heater stop (step e 117) then, advance to step e 108.

Like this, in the present embodiment, be that the situation (YES in the step e 1) of low temperature is as specified conditions with box outside temperature.At box outside temperature is under the situation of low temperature, because the temperature difference of box outside temperature and refrigerating chamber 5 temperature is less, so the frequency of refrigerating chamber 5 coolings is tailed off.Therefore, if with each execution of 1 time of frozen mode and refrigeration pattern as 1 circulation, judgement has residual frost on the R evaporimeter when 3 circulations continue counting R evaporator temperatures and become situation more than the set point of temperature (for example 3 ℃), if rest on (because box outside temperature is a low temperature) 0～2 time till then Xun Huan execution reaches the stipulated time to the cumulative time that F cools off, even then on the R evaporimeter, there is residual frost also to be judged as no residual frost.Usually, the frosting degree of the more little R evaporimeter of cooling frequency of refrigerating chamber is many more, but under the situation of unusual and more ground frosting because of certain, above-mentioned such when judging, it can not be melted.

To this, in the present embodiment, the situation that with the box outside temperature is low temperature is specified conditions, in the case, with AD HOC and the 1st embodiment refrigerating chamber is moved with fan 21, carry out the defrosting (steps A 202 of refrigerating chamber with cooler 20, A203), then, is that the 1st set point of temperature (defrosting end temp) is when above (YES in the steps A 205) at refrigerating chamber with the testing result of chiller temperature sensor 28, execution is from the transfer (steps A 208～A210) of frozen mode to the refrigeration pattern, so can carry out the reliable defrosting of refrigerating chamber with cooler 20, the result, can be not refrigerating chamber with cooler 20 in residual frost and carry out the cooling of refrigerating chamber 5 expeditiously, make the decline that can not bring cooling performance, and can save power consumption.

In addition, in the present embodiment, at box outside temperature is under the situation of low temperature, with AD HOC refrigerating chamber is moved with cooler Defrost heater 26 with fan 21 and refrigerating chamber, carry out the defrosting (A201, step e 201, A203) of refrigerating chamber with cooler 20, so can carry out the more reliable defrosting of refrigerating chamber with cooler 20, the result, can be further not refrigerating chamber with cooler 20 on residual frost and carry out the cooling of refrigerating chamber 5 expeditiously, the decline that can more not can bring cooling performance, and can further reduce power consumption.

[the 6th embodiment]

In the 6th embodiment shown in Figure 21, in the structure of above-mentioned the 5th embodiment, have the temperature of refrigerating chamber set mechanism of the temperature of setting refrigerating chamber 5, setting the temperature that changes judgement refrigerating chamber 5 according to this is the threshold value of low temperature.

Particularly, before above-mentioned steps E1, carry out the temperature of refrigerating chamber 5 being set whether (setting of R room temperature) is the judgement (step F 1) of proper temperature based on the temperature of refrigerating chamber set mechanism.If being judged as in this step F 1 is suitable temperature (YES), this set point of temperature (threshold value) in the time of then will carrying out box outside temperature and whether be the judgement more than the set point of temperature in step e 1 is set at typical temperature (for example above-mentioned 10 ℃) (step F 2), then, advance to step e 1.

Therefore, in the case, in step e 1, as mentioned above, when box outside temperature for example is to advance to normal mode shown in Figure 180 more than 10 ℃ when (YES), through above-mentioned steps A1～A12, when on the other hand, for example in step e 1, being judged as box outside temperature and not being more than 10 ℃ (NO is the low temperature less than 10 ℃), advance to AD HOC shown in Figure 20, through above-mentioned steps A201～A212 (comprising step e 201).

To this, if in step F 1, be judged as the temperature (NO) that is not suitable, then carry out setting (setting of R room temperature) whether than the judgement (step F 3) of above-mentioned proper temperature low (weak) based on the temperature of the refrigerating chamber 5 of temperature of refrigerating chamber set mechanism, in this step F 3, " weak " (YES) if the judgment is Yes, in the time of then will in step e 1, carrying out box outside temperature and whether be the judgement more than the set point of temperature, this set point of temperature (threshold value) is set at that (+α) temperature (for example 12 ℃) (step F 4) advances to step e 1 then than typical temperature height.

Therefore, in the case, in step e 1, judging that box outside temperature for example is to advance to normal mode when (YES) more than 12 ℃, through above-mentioned steps A1～A12, on the other hand, in step e 1, judging that box outside temperature for example is not to advance to AD HOC when (NO is the low temperature less than 10 ℃) more than 10 ℃, through above-mentioned steps A201～A212 (comprising step e 201).

On the other hand, in step F 3, not " weak " (NO) if be judged as, then be judged as is " by force ", in the time of will in step e 1, carrying out box outside temperature and whether be the judgement more than the set point of temperature, this set point of temperature (threshold value) is set at that low (temperature α) (for example 8 ℃) (step F 5) advances to step e 1 then than typical temperature.

Therefore, in this case, in step e 1, judging that box outside temperature for example is to advance to normal mode when (YES) more than 8 ℃, through above-mentioned steps A1～A12, on the other hand, in step e 1, when judging that box outside temperature for example is not to advance to AD HOC when (NO is the low temperature less than 10 ℃) more than 8 ℃, through above-mentioned steps A201～A212 (comprising step e 201).

These controls are based on following reason.Promptly, even when box outside temperature is equally low, also set the frequency difference that makes refrigerated compartment 5 by the temperature of refrigerating chamber, being made as height with temperature with refrigerating chamber compared when (by force), frequency with refrigerating chamber 5 coolings when being made as low (weak) tails off, and makes a mistake easily in the residual frost of R evaporimeter is judged.

Therefore, as mentioned above, the low judgement of the box outside temperature when making temperature with refrigerating chamber be made as low (weak) becomes and carries out (being judged as low temperature than common high temperature in the stage at box outside temperature) easily, makes the defrosting of the R evaporimeter under the AD HOC become and carries out easily.Like this, in the case, also make it possible to not refrigerating chamber with cooler 20 on residual frost and carry out the cooling of refrigerating chamber 5 expeditiously, can not can bring the decline of cooling performance, and can save power consumption

In addition, when box outside temperature is low temperature, if refrigerating chamber is moved with cooler Defrost heater 26, then prevent the effect of the temperature anomaly decline of refrigerating chamber 5 in addition, this moment is if having the structure of the heater of the temperature that guarantees vegetable compartment 7, then by making this heater action, also have the effect of the temperature anomaly decline that can further prevent refrigerating chamber 5.

In addition, as specified conditions, higher and be the situation more than the running rate of regulation at the running rate of specified time limit of the compressor 37 of freeze cycle 44, or this compressor 37 is to Duo than the cumulative time of the running of setting the high rotary speed rotation of rotary speed and to be above situation of stipulated time (the 1st stipulated time), and the running cumulative time of refrigeration pattern, it is more and under the above situation of stipulated time (the 2nd stipulated time) perhaps to refrigerate total running cumulative time of pattern and frozen mode, it is bigger also to be speculated as cooling load respectively, refrigerating chamber is more with the frosting degree of cooler 20, even so under these circumstances, also can carry out control as described above.

In addition, specified conditions also can not be above-mentioned any but make up a plurality of conditions.

And then the action of the action of R fan, R evaporimeter heater also can not be continuous but interrupted, in addition, also can make to apply voltage change and carry out.In addition, if it is in the action of R fan that the door 39 of refrigerating chamber 5 is open, then the action of R fan is stopped, and stop or the action of R evaporimeter heater stops to be also contained in the action of the action of R fan and R evaporimeter heater corresponding to action opening, the R fan of such door for the loss that prevents cold air.

In addition, under the bigger situation of the caloric value of R evaporimeter heater, if make the action of R fan, then also can consider the hot harmful effect of refrigerating chamber 5, so satisfying under the situation of specified conditions, also can make the R evaporimeter heater in the frozen mode in moving, refrigerating chamber be stopped with fan.

And, satisfying under the situation of specified conditions, also worry to accept refrigerating chamber freezing with the draining guiding gutter 31 of the draining of cooler 22, so in the case, draining guiding gutter heater 33 by will adding heat drain guiding gutter 31 can not produce freezing of draining guiding gutter 31 with than (for example 50%) usually high (for example 100%) current on time or than high usually voltage energising.In addition, the energising of this draining guiding gutter heater 33 control also can synchronously be carried out with the energising of R evaporimeter heater, perhaps also can adopt the energising of the R evaporimeter heater of the 1st to the 3rd embodiment to control, carry out independently with R evaporimeter heater.

And then, in freeze cycle 44, also can not the valve of the such switching stream of three-way valve 46, but switch the valve of flow with three-way valve 46 illustrative valves.

In addition, the present invention is not limited in embodiment above-mentioned and shown in the drawings, can suitably change in the scope that does not break away from purport and implements.

Claims (24)

1, a kind of refrigerator is characterized in that,

Possess refrigerating chamber and refrigerating chamber, and possess:

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates;

Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; With

Controlling organization carries out whole control;

Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern.

2, a kind of refrigerator is characterized in that,

Possess refrigerating chamber and refrigerating chamber, and possess:

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; With

Controlling organization carries out whole control;

Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is being moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater and carry out of the defrosting of above-mentioned refrigerating chamber with cooler.

3, a kind of refrigerator is characterized in that,

Possess refrigerating chamber and refrigerating chamber, and possess:

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; With

Controlling organization carries out whole control;

Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, satisfying under the situation of specified conditions, above-mentioned refrigerating chamber is moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater and carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern.

4, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions are that refrigerating chamber does not become more than the 1st set point of temperature with the testing result of chiller temperature sensor in above-mentioned frozen mode.

5, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions be in above-mentioned frozen mode, before refrigerating chamber becomes more than the 1st set point of temperature with the testing result of chiller temperature sensor, needed for the 1st stipulated time more than.

6, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions are that each 1 time the execution with the refrigeration pattern of above-mentioned frozen mode is repeated it more than the 1st regulation period as 1 circulation.

7, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions be comprise above-mentioned refrigerating chamber with cooler and refrigerating chamber with the valve of the stream of cooler and their cold-producing medium of changing flow direction or flow and the running rate of specified time limit that constitutes the compressor of freeze cycle is more than the regulation running rate.

8, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions are to comprise that above-mentioned refrigerating chamber constitutes freeze cycle with the valve of the stream of cooler and their cold-producing medium of changing flow direction or flow with cooler and refrigerating chamber compressor is being more than the 1st stipulated time than the running cumulative time of setting the high rotary speed rotation of rotary speed.

9, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions are that the running cumulative time of above-mentioned refrigeration pattern or the total running cumulative time of refrigeration pattern and frozen mode are more than the 2nd stipulated time.

10, as each described refrigerator in the claim 1～3, it is characterized in that,

Above-mentioned specified conditions are that box outside temperature is a low temperature below the setting when above-mentioned frozen mode begins.

11, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, carrying out the action that the refrigerating chamber in the frozen mode is used the cooler Defrost heater with the action or the refrigerating chamber of fan to have satisfied the frozen mode behind the specified conditions.

12, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, carrying out the action that the refrigerating chamber in the frozen mode is used the cooler Defrost heater with the action or the refrigerating chamber of fan with the cooler defrosting mode to have satisfied the refrigerating chamber behind the specified conditions.

13, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, satisfying the refrigerating chamber of carrying out after the refrigerating chamber behind the specified conditions uses the cooler defrosting mode to finish in the frozen mode action of fan or the action that refrigerating chamber is used the cooler Defrost heater.

14, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, by refrigerating chamber with the testing result of chiller temperature sensor become the 1st set point of temperature with on stop refrigerating chamber in the frozen mode with the action of the action of fan or refrigerating chamber with the cooler Defrost heater.

15, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, the end by above-mentioned frozen mode stops refrigerating chamber in the frozen mode with the action with the cooler Defrost heater of the action of fan or refrigerating chamber.

16, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, by the above-mentioned frozen mode running stipulated time with on stop refrigerating chamber in the frozen mode with the action of the action of fan or refrigerating chamber with the cooler Defrost heater.

17, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, with each execution of 1 time of frozen mode and refrigeration pattern as 1 circulation, continue the action that the refrigerating chamber in the frozen mode is used the cooler Defrost heater with the action or the refrigerating chamber of fan, up to it having been repeated more than the 2nd regulation period.

18, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, continue refrigerating chamber in the frozen mode with the action of the action of fan or refrigerating chamber, become more than the 3rd stipulated time with action cumulative time of fan or refrigerating chamber the action cumulative time with the cooler Defrost heater up to above-mentioned refrigerating chamber with the cooler Defrost heater.

19, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, continuing the action that the refrigerating chamber in the frozen mode is used the cooler Defrost heater with the action or the refrigerating chamber of fan, the frozen mode after refrigerating chamber is with the cooler defrosting mode.

20, as each described refrigerator in the claim 1～3, it is characterized in that,

Satisfying under the situation of specified conditions, refrigerating chamber is being moved with the cooler Defrost heater, and refrigerating chamber is stopped with fan.

21, as each described refrigerator in the claim 1～3, it is characterized in that,

Possess the draining guiding gutter of the draining of accepting refrigerating chamber usefulness cooler and the draining guiding gutter heater that this draining guiding gutter is heated, satisfying under the situation of specified conditions, draining guiding gutter heater is switched on than high usually current on time or than common high voltage.

22, a kind of refrigerator is characterized in that,

Possess refrigerating chamber and refrigerating chamber, and possess:

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates;

Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; With

Controlling organization carries out whole control;

Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and not existing with ... above-mentioned refrigerating chamber carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern with the testing result of chiller temperature sensor, at box outside temperature is under the situation of low temperature, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, and, is the 1st set point of temperature when above at above-mentioned refrigerating chamber with the testing result of chiller temperature sensor, carries out from the transfer of above-mentioned frozen mode to above-mentioned refrigeration pattern.

23, a kind of refrigerator is characterized in that,

Possess refrigerating chamber and refrigerating chamber, and possess:

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

The refrigerating chamber cooler is used to cool off above-mentioned refrigerating chamber;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

The refrigerating chamber fan makes the air of above-mentioned refrigerating chamber contact with cooler with above-mentioned refrigerating chamber and circulates;

Refrigerating chamber cooler Defrost heater is used to heat above-mentioned refrigerating chamber cooler;

Refrigerating chamber chiller temperature sensor is used to detect the temperature of above-mentioned refrigerating chamber with cooler; With

Controlling organization carries out whole control;

Above-mentioned controlling organization has the frozen mode that cools off above-mentioned refrigerating chamber by above-mentioned refrigerating chamber with cooler, cool off the refrigeration pattern of above-mentioned refrigerating chamber with cooler by above-mentioned refrigerating chamber, with the refrigerating chamber cooler defrosting mode that carries out the defrosting of above-mentioned refrigerating chamber usefulness cooler by above-mentioned refrigerating chamber with the cooler Defrost heater, usually, above-mentioned refrigerating chamber is moved with fan carry out of the defrosting of above-mentioned refrigerating chamber with cooler, at box outside temperature is under the situation of low temperature, above-mentioned refrigerating chamber is moved with fan and above-mentioned refrigerating chamber is moved with the cooler Defrost heater to carry out the defrosting of above-mentioned refrigerating chamber with cooler.

24, as claim 22 or 23 described refrigerators, it is characterized in that,

Have the temperature of refrigerating chamber set mechanism of setting temperature of refrigerating chamber, setting the temperature that changes the judgement refrigerating chamber according to this is the threshold value of low temperature.

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