CN109855356A - Evaporimeter frosting degree judgment method in refrigerator and refrigerator - Google Patents

Evaporimeter frosting degree judgment method in refrigerator and refrigerator Download PDF

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Publication number
CN109855356A
CN109855356A CN201910009030.1A CN201910009030A CN109855356A CN 109855356 A CN109855356 A CN 109855356A CN 201910009030 A CN201910009030 A CN 201910009030A CN 109855356 A CN109855356 A CN 109855356A
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temperature
evaporator
time period
preset time
refrigerator
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CN201910009030.1A
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CN109855356B (en
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窦立建
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Qingdao Haier Co Ltd
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Qingdao Haier Co Ltd
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Abstract

The present invention provides evaporimeter frosting degree judgment methods in a kind of refrigerator, comprising: obtains the environment temperature of the refrigerator region;The temperature of the evaporator is obtained, and calculates the changing value of the temperature of the evaporator in the first preset time period;The environment temperature, first preset time period, the frosting degree of the corresponding evaporator of the changing value are determined according to preset mapping relations, wherein the mapping relations provide the frosting degree of environment temperature numberical range, the first preset time period interval range, the corresponding evaporator of changing value numberical range.The frosting degree in time, quickly and accurately determining evaporator may be implemented in evaporimeter frosting degree judgment method in refrigerator of the invention, and then controls refrigerator defrost.

Description

Evaporimeter frosting degree judgment method in refrigerator and refrigerator
Technical field
The present invention relates to refrigerating technical fields, sentence more particularly to evaporimeter frosting degree in a kind of refrigerator and refrigerator Disconnected method.
Background technique
Refrigerator constantly can have Water vapor condensation to frost in process of refrigerastion on evaporator, and attachment is on an evaporator.If no Take measures its accumulation of leaving, and frost will entirely wrap up evaporator, and evaporation endothermic efficiency will when refrigerant again passes through It has a greatly reduced quality, so having to be equipped with the progress defrost of defrost heater strip.Power consumption of the defrost heater strip as heating device, when work Amount is big, therefore accurately controls the electric quantity consumption that its working condition advantageously reduces refrigerator.Current control method had according to the time Logic judges frosting degree, there are judging result inaccuracy, the problem of cannot obtaining frosting degree in real time.
Summary of the invention
It is an object of the present invention to provide a kind of judgement of evaporimeter frosting degree in the refrigerator that result precision is high Method.
A further object of the present invention is to evaporimeter frosting in refrigerator is judged according to the temperature change of evaporator Degree.
Particularly, the present invention provides evaporimeter frosting degree judgment methods in a kind of refrigerator, comprising:
Obtain the environment temperature of refrigerator region;
The temperature of evaporator is obtained, and calculates the changing value of the temperature of evaporator in the first preset time period;
Environment temperature, the first preset time period, changing value corresponding evaporator are determined according to preset mapping relations Frosting degree, wherein mapping relations regulation has environment temperature numberical range, the first preset time period interval range, changing value numerical value The frosting degree of the corresponding evaporator of range.
Optionally, the temperature of evaporator is obtained, and calculates the changing value of the temperature of evaporator in the first preset time period Step further comprises:
Determine that evaporator is origin temp in the temperature of the starting point of the first preset time period;
Determine that evaporator is outlet temperature in the temperature of the terminal point of the first preset time period;
Difference based on origin temp and outlet temperature, obtains changing value.
Optionally, the verification step of origin temp further comprises:
Evaporator is obtained in the temperature of the start time of the first preset time period, is the first temperature;
Obtain multiple temperature of the evaporator before start time or in the second preset time period after start time Degree is second temperature;
The average value for calculating the first temperature and multiple second temperatures, obtains origin temp.
Optionally, the second preset time period was less than 1 second.
Optionally, the verification step of outlet temperature further comprises:
Evaporator is obtained in the temperature of the end of time of the first preset time period, is third temperature;
Obtain multiple temperature of the evaporator before end of time or in the third preset time period after end of time Degree is the 4th temperature;
The average value for calculating third temperature and multiple 4th temperature, obtains outlet temperature.
Optionally, third preset time period was less than 1 second.
Optionally, in the second preset time period, every 100ms obtains the temperature of flush distillation device, obtains multiple second temperature Degree;
In third preset time period, every 100ms obtains the temperature of flush distillation device, obtains multiple 4th temperature.
Optionally, the verification step of changing value further comprises:
The temperature for detecting the evaporator of first time point, obtains outlet temperature;
Chose for the second time point, as the starting point of the first preset time period, wherein the second time point was when being located at first Between put before time point;
The temperature for extracting the second time point being stored in the controller of refrigerator, obtains origin temp;
The difference of zequin temperature and outlet temperature, obtains changing value.
Optionally, after the step of calculating the changing value of the temperature of evaporator in the first preset time period, further includes:
Judge whether changing value is less than default change threshold;
If so, control refrigerator starts defrost;
If it is not, determining environment temperature, the first preset time period, the corresponding evaporation of changing value according to preset mapping relations The frosting degree of device.
The invention also discloses a kind of refrigerators, comprising:
Cabinet, it is interior that there are one or more storage rooms;
Compression refrigerating system, for providing cooling capacity, including evaporator into storage room;
Environmental detection set, for detecting the environment temperature of refrigerator region;
Defrosting sensor is set at evaporator, for detecting the temperature of evaporator;And
Controller is stored with control program with memory and processor in memory, when control program is by processor When execution, for realizing evaporimeter frosting degree judgment method in refrigerator above-mentioned.
Evaporimeter frosting degree judgment method proposes the environment temperature by obtaining refrigerator region in refrigerator of the invention The temperature of degree and acquisition evaporator and the changing value for calculating the temperature of evaporator in the first preset time period, have ring according still further to regulation Border temperature value range, the frosting degree of the first preset time period interval range, the corresponding evaporator of changing value numberical range Mapping relations determine the frosting degree of evaporator, therefore the frosting journey in time, quickly and accurately determining evaporator may be implemented Degree, and then refrigerator defrost is controlled.
Further, in refrigerator of the invention evaporimeter frosting degree judgment method by obtaining the first temperature and multiple the Two temperature calculate the average value of the first temperature and multiple second temperatures, obtain origin temp, and accuracy is high;By obtaining third Temperature and multiple 4th temperature calculate the average value of third temperature and multiple 4th temperature, obtain outlet temperature, and accuracy is high.
Further, first preset time period of evaporimeter frosting degree judgment method is that refrigerator reaches in refrigerator of the invention Period after to starting point, the second preset time period and third preset time period more met frosting rule, together less than 1 second When keep detection time controllable.
Further, evaporimeter frosting degree judgment method first determines whether after obtaining changing value in refrigerator of the invention Whether changing value is less than setting value, if then controlling refrigerator immediately begins to defrost, this is allowed under some serious frosting situations, Reduction judges the time.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of refrigerator according to an embodiment of the invention.
Fig. 2 is the flow diagram of the judgment method of evaporimeter frosting degree in refrigerator shown in FIG. 1.
Fig. 3 is the process signal of the judgment method of evaporimeter frosting degree in refrigerator according to an embodiment of the invention Figure.
Fig. 4 is the correspondence diagram of the time and temperature when refrigerator is under a certain environment temperature.
Fig. 5 is the process signal of the changing value of the temperature of evaporator in acquisition refrigerator according to an embodiment of the invention Figure.
Specific embodiment
Fig. 1 is the schematic diagram of refrigerator 100 according to an embodiment of the invention.The refrigerator 100 of the embodiment of the present invention is general Property may include cabinet 110, compression refrigerating system, environmental detection set 170, defrosting sensor 141, controller 180 and air-supply wind Road.
There are one or more storage rooms in cabinet 110.Storage room is for storing food.As shown in fig. 1, cabinet Middle and upper part in 110 is provided with rotary type door body 120, closes a refrigerator room, the temperature-control range of refrigerator room is generally -5 DEG C to 7 DEG C.The first pull article-storage device 131 and the second pull article-storage device 132 are disposed with below refrigerator room, point The first freezing compartment and the second freezing compartment are not constituted.The temperature-control range of freezing compartment is generally at -18 DEG C to -22 DEG C.In addition, storage Object compartment may also include alternating temperature compartment etc..Environmental detection set 170 is used to detect the environment temperature of 100 region of refrigerator, can To be the temperature sensor in the door body for be arranged in refrigerator 100.
Compression refrigerating system is for providing cooling capacity into storage room comprising compressor 160, condenser, throttling set, And evaporator 140.Compression refrigerating system makes 140 released cold quantity of evaporator by refrigerant compression cycle, its working principle is that: Power of the compressor 160 as refrigeration cycle, is ceaselessly rotated by motor run, and low-temperature low-pressure refrigerant is steam compressed To high-temperature high-pressure state.Condenser is a heat-exchange apparatus, using the cooling refrigerant of environment, by the height from compressor 160 The heat of warm high-pressure refrigeration steam is taken away, and the refrigerant liquid that high-temperature high-pressure refrigerant steam is cooling, is condensed into high normal pressure and temperature is made. The refrigerant liquid of high normal pressure and temperature obtains low-temperature low-pressure refrigerant by throttling set, is re-fed into heat absorption in evaporator 140 and steams Hair.Evaporator 140 is used as another heat-exchange apparatus, and the low-temperature low-pressure refrigerant liquid after throttling evaporates in it to be become steaming Gas absorbs ambient heat, declines ambient temperature, achieve the purpose that refrigeration.In general, evaporator 140 is arranged in freezer In the supply air duct of the cabinet 110 of the back of room, breeze fan 150 is additionally provided in supply air duct.
Defrosting sensor 141 is set at evaporator 140, for detecting the temperature of evaporator 140.
Controller 180 has memory 181 and processor 182, is stored with control program in memory 181, when control journey When sequence is executed by processor 182, for realizing 140 frosting degree judgement side of evaporator in the refrigerator 100 of the embodiment of the present invention Method.Fig. 2 is the flow diagram of the judgment method of 140 frosting degree of evaporator in refrigerator 100 shown in FIG. 1.The present invention is implemented 140 frosting degree judgment method of evaporator in the refrigerator 100 of example, comprising:
S202: the environment temperature of 100 region of refrigerator is obtained;
S204: the temperature of evaporator 140 is obtained, and calculates the variation of the temperature of evaporator 140 in the first preset time period Value;
S206: environment temperature, the first preset time period, the corresponding evaporation of changing value are determined according to preset mapping relations The frosting degree of device 140, wherein mapping relations regulation has environment temperature numberical range, the first preset time period interval range, becomes The frosting degree of the corresponding evaporator 140 of change value numberical range.
The changing value of the temperature of evaporator 140 can be rising with entire first preset time period in first preset time period It puts with the temperature of terminal and changing value is calculated, starting point and the end being also possible in some section with the first preset time period The temperature of point is calculated changing value.In view of the execution ease for operation of judgment method, preferably with entire first preset time The temperature of the beginning and end of section is calculated changing value.In one embodiment, evaporation in the first preset time period is obtained The step of changing value of the temperature of device 140, further comprises: determining evaporator 140 in the temperature of the starting point of the first preset time period Degree is origin temp;Determine that evaporator 140 is outlet temperature in the temperature of the terminal point of the first preset time period;Based on starting point The difference of temperature and outlet temperature, obtains changing value.
In order to guarantee the validity and accuracy of origin temp and outlet temperature, in a preferred embodiment, starting point The determination step of temperature further comprises: obtaining evaporator 140 in the temperature of the start time of the first preset time period, is first Temperature;Obtain multiple temperature of the evaporator 140 before start time or in the second preset time period after start time Degree is second temperature;The average value for calculating the first temperature and multiple second temperatures, obtains origin temp.
Similarly, the determination step of outlet temperature further comprises: obtaining evaporator 140 at the end of the first preset time period The temperature of point moment is third temperature;It is pre- to obtain third of the evaporator 140 before end of time or after end of time It is the 4th temperature if multiple temperature in the period;The average value for calculating third temperature and multiple 4th temperature, obtains terminal temperature Degree.
To the terminal of the first preset time period, that is, at the time of wanting the frosting degree for knowing evaporator 140.And it is pre- to first If the determination of the starting point of period can be using two ways.
A kind of mode is the temperature of every 100ms acquisition flush distillation device 140 since starting point, is not obtained intermittently.When When the frosting degree for the evaporator 140 for needing sometime to put, any time o'clock before the optional time point is pre- as first If the starting point of period.
Another way is to limit the starting point of several fixations, and the detection number of defrosting sensor 141 is reduced with this.Than The starting point of the refrigerator 100 when the evaporator 140 at a temperature of varying environment is kept frostless such as be can be to the time of Burnout Duan Junfen is not divided into several segments, using these waypoints as different starting points.For example, under a certain environment temperature, refrigerator 100 booting point moment is 40min, and shutdown point moment is 80min, then is divided into four sections, section point be respectively 40min, 50min,60min,70min,80min.At each section of point, step is determined with reference to origin temp above-mentioned to confirm this section of point The origin temp at place.The frosting journey of evaporator 140 when wanting to know 55min (i.e. the end of time of the first preset time period) When spending, the first preset time period can also be determined using 40min as starting point with this, gone forward side by side using 50min as starting point And determine the first preset time period interval range belonging to first preset time period.It is preferred that with the nearest section point before terminal As starting point, temperature value in this way in every evaporator 140 that can only retain newest section of point after two section points, and Give up the temperature value of the evaporator 140 of section point earlier, to discharge the occupied memory space of data.
In view of the frosting of refrigerator 100 is to occur to be chosen to be ice after its starting point, therefore by the first preset time period Case 100 reaches the period after starting point.
To the second preset time period and third preset time period, the consideration that takes up space is stored from data accuracy and data, Preferably, the second preset time period was less than 1 second.It is highly preferred that every 100ms obtains flush distillation in the second preset time period The temperature of device 140 obtains multiple first temperature.Preferably, also, third preset time period was less than 1 second.It is highly preferred that In three preset time periods, every 100ms obtains the temperature of flush distillation device 140, obtains multiple third temperature.As for second it is default when Between section be located at start time before or start time after, can set according to actual needs, if using above-mentioned First way determines starting point, then it is contemplated that being arranged the second preset time period before start time.
In some embodiments, the default variation threshold of the temperature of the evaporator 140 at a temperature of varying environment can also be set Value, immediately begins to defrost to enable to control refrigerator 100 when frosting is serious.In the changing value for the temperature for obtaining evaporator 140 Afterwards, first determine whether changing value is less than default change threshold;If so, control refrigerator 100 immediately begins to defrost;If it is not, pressing again The frosting journey of the corresponding evaporator 140 of environment temperature, the first preset time period, changing value is determined according to preset mapping relations Degree.
Fig. 3 is the process of the judgment method of 140 frosting degree of evaporator in refrigerator 100 according to an embodiment of the invention Schematic diagram.In the refrigerator 100 140 frosting degree of evaporator judgment method the following steps are included:
S302: evaporator 140 is obtained in the temperature of the start time of the first preset time period, is the first temperature;
S304: evaporator 140 is obtained before start time or in the second preset time period after start time Multiple temperature, be second temperature;
S306: the average value of the first temperature and multiple second temperatures is calculated, origin temp is obtained.
S312: evaporator 140 is obtained in the temperature of the end of time of the first preset time period, is third temperature;
S314: evaporator 140 is obtained before end of time or in the third preset time period after end of time Multiple temperature, be the 4th temperature;
S316: the average value of third temperature and multiple 4th temperature is calculated, outlet temperature is obtained.
S320: the difference based on origin temp and outlet temperature obtains changing value.
S322: judge whether changing value is less than default change threshold.
S324: when the judging result of step S322 be it is no, determine changing value numberical range belonging to changing value;Determine first First preset time period interval range belonging to preset time period;And determine environment temperature numerical value model belonging to environment temperature It encloses.
S326: the frosting degree of evaporator 140 is determined according to preset mapping relations.
S328: judge whether frosting degree is serious.
S330: when the judging result of step S328 be it is no, refrigerator 100 is failure to actuate.
S332: when the judging result of step S322 or step S328 be it is yes, control refrigerator 100 immediately begin to defrost.
The above action step is the summary to the specific implementation of the judgment method of the embodiment of the present invention, it is to be understood that In fact, being identified first when the frosting degree of the evaporator 140 in the refrigerator 100 that user goes for current point in time Be the first preset time period end of time.
Fig. 5 is the process of the changing value of the temperature of evaporator 140 in acquisition refrigerator 100 according to an embodiment of the invention Schematic diagram, the verification step of the changing value of the temperature of evaporator 140 includes: in refrigerator 100
S502: the temperature of the evaporator 140 of first time point is detected, outlet temperature is obtained;
S504: choosing for the second time point, as the starting point of the first preset time period, wherein the second time point was to be located at the Time point before one time point;
S506: the temperature at the second time point being stored in the controller 180 of refrigerator 100 is extracted, origin temp is obtained;
S508: the difference of zequin temperature and outlet temperature obtains changing value.
To step S326 and step S328, it is also possible to directly provide out frosting degree not in preset mapping relations Ad eundem, for example, frostless, level-one frosting, second level frosting, three-level frosting ....And controller 180 is arranged in step S326 is determined when the frosting degree of evaporator 140 is three-level and the above frosting while being controlled refrigerator 100 and immediately begin to defrost work Make.Same way, it is also possible to which every level-one frosting is subdivided into the grade more segmented, such as level-one frosting is divided into complete level-one knot White, incomplete level-one frosting etc..
Hereinafter, showing an example of the preset mapping relations of the refrigerator 100 of the embodiment of the present invention in a tabular form.
1 mapping relations of table
In table, TnRepresent environment temperature numberical range;XnwRepresent changing value numberical range;t'om—tonIt is default to represent first Time interval range, wherein t 'omRepresent the terminal time numberical range of the first preset time period, tonRepresent the first preset time The starting time numberical range of section.
Fig. 4 is the correspondence diagram of the time and temperature when refrigerator 100 is under a certain environment temperature, abscissa tnRepresent time, ordinate T 'nRepresent the temperature of evaporator 140.It is appreciated that Fig. 4 is only a schematic diagram, do not mark The actual temperature and time change situation of the evaporator 140 of clear ice case 100.
Belong to T with current environmental temperature2For, determine that refrigerator 100 runs to t 'o1When frosting degree, according to following step It is rapid:
T ' is detected using defrosting sensor 141o1The temperature of evaporator 140 when (First terminal point), obtains T '3
Select to1(the first starting point) is the starting point of the first preset time period, determines the first preset time period, and determine this First preset time interval range belonging to one preset time period, such as belong to t 'o1—to1
Obtain the t being stored in controller 180o1When evaporator 140 temperature, obtain T '1
Calculate T '1With T '3Difference, obtain changing value, and determine changing value numberical range belonging to the changing value, such as Belong to X22
Referring to table 1, according to T2、X22、t’o1—to1Determine that the frosting degree of current evaporator 140 is frostless.
For another example belonging to T with current environmental temperature1For, determine that refrigerator 100 runs to t 'o2When frosting degree, according to Following steps:
T ' is detected using defrosting sensor 141o2The temperature of evaporator 140 when (the second terminal), obtains T '4
Select to2(the second starting point) is the starting point of the first preset time period, determines the first preset time period, and determine this First preset time interval range belonging to one preset time period, such as belong to t 'o2—to2
Obtain the t being stored in controller 180o2When evaporator 140 temperature, obtain T '2
Calculate T '2With T '4Difference, obtain changing value, and determine changing value numberical range belonging to the changing value, such as Belong to X12
Referring to table 1, according to T1、X12、t’o2—to2The frosting degree for determining current evaporator 140 is level-one frosting.
It is appreciated that First terminal point is also possible to form the first preset time period with the second starting point, the second terminal can also be with It is to form the first preset time period with the first starting point.
140 frosting degree judgment method of evaporator is proposed by obtaining 100 region of refrigerator in refrigerator 100 of the invention Environment temperature and obtain evaporator 140 temperature and calculate the first preset time period in evaporator 140 temperature changing value, There are environment temperature numberical range, the first preset time period interval range, the corresponding evaporation of changing value numberical range according still further to regulation The mapping relations of the frosting degree of device 140 determine the frosting degree of evaporator 140, therefore may be implemented timely, quick, accurate Ground determines the frosting degree of evaporator 140, and then controls 100 defrost of refrigerator.
Further, in refrigerator 100 of the invention 140 frosting degree judgment method of evaporator by obtain the first temperature and Multiple second temperatures calculate the average value of the first temperature and multiple second temperatures, obtain origin temp, and accuracy is high;By obtaining Third temperature and multiple 4th temperature are taken, the average value of third temperature and multiple 4th temperature is calculated, obtains outlet temperature, accurately Degree is high.
Further, 140 frosting degree judgment method of evaporator is first after obtaining changing value in refrigerator 100 of the invention First judge whether changing value is less than setting value, if then controlling refrigerator 100 immediately begins to defrost, this allows for some serious knots Under white situation, reduction judges the time.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims (10)

1. evaporimeter frosting degree judgment method in a kind of refrigerator, comprising:
Obtain the environment temperature of the refrigerator region;
The temperature of the evaporator is obtained, and calculates the changing value of the temperature of the evaporator in the first preset time period;
Determine that the environment temperature, first preset time period, the changing value are corresponding according to preset mapping relations The frosting degree of the evaporator, wherein mapping relations regulation has environment temperature numberical range, the first preset time period area Between range, the frosting degree of the corresponding evaporator of changing value numberical range.
2. evaporimeter frosting degree judgment method in refrigerator according to claim 1, wherein obtain the temperature of the evaporator Degree, and the step of calculating the changing value of the temperature of the evaporator in the first preset time period further comprises:
Determine that the evaporator is origin temp in the temperature of the starting point of first preset time period;
Determine that the evaporator is outlet temperature in the temperature of the terminal point of first preset time period;
Difference based on the origin temp and the outlet temperature, obtains the changing value.
3. evaporimeter frosting degree judgment method in refrigerator according to claim 2, wherein the confirmation of the origin temp Step further comprises:
The evaporator is obtained in the temperature of the start time of first preset time period, is the first temperature;
The evaporator is obtained before the start time or in the second preset time period after the start time Multiple temperature, be second temperature;
The average value for calculating first temperature and multiple second temperatures, obtains the origin temp.
4. evaporimeter frosting degree judgment method in refrigerator according to claim 3, wherein
Second preset time period was less than 1 second.
5. evaporimeter frosting degree judgment method in refrigerator according to claim 3, wherein the confirmation of the outlet temperature Step further comprises:
The evaporator is obtained in the temperature of the end of time of first preset time period, is third temperature;
The evaporator is obtained before the end of time or in the third preset time period after the end of time Multiple temperature, be the 4th temperature;
The average value for calculating the third temperature and multiple 4th temperature, obtains the outlet temperature.
6. evaporimeter frosting degree judgment method in refrigerator according to claim 5, wherein
The third preset time period was less than 1 second.
7. according to the method described in claim 6, wherein,
In second preset time period, every 100ms obtains the temperature of the primary evaporator, obtains multiple second temperature Degree;
In the third preset time period, every 100ms obtains the temperature of the primary evaporator, obtains multiple 4th temperature Degree.
8. evaporimeter frosting degree judgment method in refrigerator according to claim 5, wherein the confirmation of the changing value walks Suddenly further comprise:
The temperature for detecting the evaporator of first time point, obtains the outlet temperature;
Chose for the second time point, as the starting point of first preset time period, wherein second time point is to be located at institute State the time point before first time point;
The temperature for extracting second time point being stored in the controller of the refrigerator, obtains the origin temp;
The difference for calculating the origin temp and the outlet temperature obtains the changing value.
9. evaporimeter frosting degree judgment method in refrigerator according to claim 8, wherein calculate the first preset time period After the step of changing value of the temperature of the interior evaporator, further includes:
Judge whether the changing value is less than default change threshold;
If so, controlling the refrigerator starts defrost;
If it is not, determining the environment temperature, first preset time period, the changing value pair according to preset mapping relations The frosting degree for the evaporator answered.
10. a kind of refrigerator characterized by comprising
Cabinet, it is interior that there are one or more storage rooms;
Compression refrigerating system, for providing cooling capacity, including evaporator into the storage room;
Environmental detection set, for detecting the environment temperature of the refrigerator region;
Defrosting sensor is set at the evaporator, for detecting the temperature of the evaporator;And
Controller is stored with control program with memory and processor in the memory, when the control program is by institute When stating processor execution, for realizing evaporimeter frosting degree judgment method according to claim 1-9 any refrigerators.
CN201910009030.1A 2019-01-04 2019-01-04 Refrigerator and method for judging frosting degree of evaporator in refrigerator Active CN109855356B (en)

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CN113237684A (en) * 2021-05-20 2021-08-10 长虹美菱股份有限公司 Test method for evaluating frosting degree of freezing chamber of refrigerator
CN113834281A (en) * 2021-09-24 2021-12-24 珠海格力电器股份有限公司 Defrosting control method and device and refrigerator

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