CN107341520A - Determination methods, server and the computer-readable recording medium of breakdown of refrigerator - Google Patents
Determination methods, server and the computer-readable recording medium of breakdown of refrigerator Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000015556 catabolic process Effects 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 86
- 238000012706 support-vector machine Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims description 32
- 238000010257 thawing Methods 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 14
- 230000008014 freezing Effects 0.000 claims description 13
- 238000007710 freezing Methods 0.000 claims description 13
- 238000012549 training Methods 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
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Abstract
The invention discloses a kind of determination methods of breakdown of refrigerator, refrigerator includes storeroom, evaporator, the first temperature sensor and second temperature sensor.Determination methods include：Obtain multiple first temperature values and the difference of multiple second temperature values and preset temperature value；Multiple first temperature values and multiple differences are handled using support vector machine classifier to judge whether the ratio that leakage of refrigerant failure occurs in refrigerator is more than the first preset ratio；When being more than the first preset ratio with the ratio for occurring leakage of refrigerant failure in refrigerator, judge that leakage of refrigerant failure occurs in refrigerator.In addition, the invention also discloses a kind of server and a kind of computer-readable recording medium.Determination methods, server and the computer-readable recording medium of the present invention judges whether refrigerator leakage of refrigerant failure occurs using support vector machine classifier, so as to help Maintenance Engineer to understand failure cause in advance, spare part is brought all, effectively improves on-site maintenance rate of Maintenance Engineer.
Description
Technical field
The present invention relates to household electrical appliance, more particularly to a kind of determination methods of breakdown of refrigerator, server and computer-readable
Storage medium.
Background technology
Conventional refrigerator has been faced with the bottleneck of development at present, and product technology shortage of standard, Market Consumer cognition degree are low
With the development that conventional refrigerator is govern the problems such as product price is high, experience is poor, and the ever-increasing new demand of user forces refrigerator
Industry makes the transition to intelligent direction.Very big inconvenience will be brought to daily life when household electrical appliance break down,
Along with the fast development of household electric appliances, electric appliances service industry also achieves larger progress, but still suffers from Maintenance Engineer
Failure cause can not be known in advance, can not bring all spare part situation.Leakage of refrigerant is refrigerator most common failure, and repairing such failure needs
Want specific purpose tool such as spare part welding gun, vavuum pump etc., if failure cause can not be known in advance, generally require it is secondary visit, reduce
Once visit successfully maintenance rate.
Although current intelligent refrigerator quantity steeply rises, refrigerator intelligent artifact only possesses the failure code of fixed species
Upload function, it is impossible to which carrying out fault diagnosis makes Maintenance Engineer's more clear failure reason, and completion, which is once visited, successfully repairs.At present
Application of the fault diagnosis on household electrical appliances only possesses persistent fault code, is only limited to sensor fault, it is simple that door opens time-out etc.
Failure, there is presently no the online test method for breakdown of refrigeration system especially leakage of refrigerant, it means that refrigerator exists
The fault detect of line leakage of refrigerant is very valuable and necessary.
The content of the invention
Embodiments of the present invention provide a kind of determination methods of breakdown of refrigerator, server and computer-readable storage medium
Matter.
A kind of determination methods of breakdown of refrigerator of embodiments of the present invention, the refrigerator include storeroom and evaporator,
The refrigerator includes being used to detect the first temperature sensor of the first temperature value of the evaporator and for detecting the storage
The second temperature sensor of the second temperature value of room, the determination methods include：
Obtain multiple first temperature values and corresponding multiple second temperature values；
Calculate the difference of each the second temperature value and preset temperature value；
Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that leakage of refrigerant failure occurs in the refrigerator is more than the first preset ratio；With
When the ratio that leakage of refrigerant failure occurs in the refrigerator is more than first preset ratio, the refrigerator is judged
There is leakage of refrigerant failure.
In some embodiments, the determination methods include：
Using the support vector machine classifier handle multiple first temperature values and corresponding multiple differences with
Judge that the refrigerator belongs to the ratios of normal conditions and whether is more than the second preset ratio；With
When the ratio that the refrigerator belongs to normal conditions is more than second preset ratio, judge that the refrigerator belongs to just
Reason shape.
In some embodiments, the determination methods include：
Using the support vector machine classifier handle multiple first temperature values and corresponding multiple differences with
Judge whether the ratio that other failures occurs in the refrigerator is more than the 3rd preset ratio；With
When the ratio that other failures occurs in the refrigerator is more than three preset ratio, judge that it occurs in the refrigerator
His failure.
In some embodiments, it is described to obtain the multiple first temperature value and corresponding multiple second temperature
Angle value includes：
Multiple time points in preset duration obtain and cache multiple first temperature values and it is multiple it is described second temperature
Angle value.
In some embodiments, the determination methods include：
Acquisition has been marked as the refrigerator and multiple first temperature values corresponding to leakage of refrigerant failure and more occurs
The individual difference；
According to have been marked as the refrigerator there is leakage of refrigerant failure corresponding to multiple first temperature values and more
The individual difference trains the support vector machine classifier.
In some embodiments, the refrigerator includes being used for the communication module with server communication, and the acquisition is
Multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure occur labeled as the refrigerator includes：
Transmitted using the communication module between the refrigerator and the server and have been marked as the refrigerator appearance
Multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure.
In some embodiments, the determination methods include：
The conclusion that the refrigerator to leakage of refrigerant failure occurs pushes to default terminal.
In some embodiments, the storeroom includes refrigerating chamber, temperature-changing chamber and refrigerating chamber, and the evaporator includes cold
Freeze defrosting evaporator and refrigeration defrosting evaporator, first temperature value includes the first evaporator of the freezing defrosting evaporator
Second evaporator temperature values of temperature value and the refrigeration defrosting evaporator, the second temperature value include the of the refrigerating chamber
3rd room temperature angle value of one room temperature angle value, the second Room temperature value of the temperature-changing chamber and the refrigerating chamber.
A kind of server of embodiments of the present invention, it is described for judging whether refrigerator leakage of refrigerant failure occurs
Refrigerator includes storeroom and evaporator, and the first temperature that the refrigerator includes being used to detect the first temperature value of the evaporator passes
The second temperature sensor of sensor and the second temperature value for detecting the storeroom, the server include：
First acquisition module, first acquisition module are used to obtain multiple first temperature values and corresponding multiple institutes
State second temperature value；
Computing module, the computing module are used for the difference for calculating each the second temperature value and preset temperature value；
First processing module, the first processing module are used to utilize support vector machine classifier processing multiple described first
Temperature value and corresponding multiple differences are to judge whether the ratio that leakage of refrigerant failure occurs in the refrigerator is more than first
Preset ratio；With
First judge module, the ratio that first judge module is used to occur in the refrigerator leakage of refrigerant failure are big
When first preset ratio, judge that leakage of refrigerant failure occurs in the refrigerator.
In some embodiments, the server includes：
Second processing module, the Second processing module are used for multiple described using support vector machine classifier processing
Whether to be more than second pre- to judge to belong to the ratios of normal conditions by the refrigerator for first temperature value and corresponding multiple differences
If ratio；With
Second judge module, second judge module are used to belong to the ratio of normal conditions more than described in the refrigerator
During the second preset ratio, judge that the refrigerator belongs to normal conditions.
In some embodiments, the server includes：
3rd processing module, the 3rd processing module are used for multiple described using support vector machine classifier processing
Whether to be more than the 3rd pre- to judge the ratios of other failures occur by the refrigerator for first temperature value and corresponding multiple differences
If ratio；With
3rd judge module, the ratio that the 3rd judge module is used to other failures occur in the refrigerator are more than described
During three preset ratios, judge that other failures occurs in the refrigerator.
In some embodiments, multiple time points that first acquisition module is used in preset duration obtain and delayed
Deposit multiple first temperature values and multiple second temperature values.
In some embodiments, the server includes：
Second acquisition module, second acquisition module have been marked as the refrigerator for acquisition and leakage of refrigerant occur
Multiple first temperature values and multiple differences corresponding to failure；
Training module, the training module have been marked as the refrigerator for basis and leakage of refrigerant failure occur correspondingly
Multiple first temperature values and multiple differences train the support vector machine classifier.
In some embodiments, the refrigerator includes being used for communication module with the server communication, and described second
Acquisition module is used to transmit between the refrigerator and the server using the communication module to have been marked as the refrigerator
There is multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure.
In some embodiments, the server includes：
Pushing module, the pushing module be used for by the refrigerator occur leakage of refrigerant failure conclusion push to it is default
Terminal.
In some embodiments, the storeroom includes refrigerating chamber, temperature-changing chamber and refrigerating chamber, and the evaporator includes cold
Freeze defrosting evaporator and refrigeration defrosting evaporator, first temperature value includes the first evaporator of the freezing defrosting evaporator
Second evaporator temperature values of temperature value and the refrigeration defrosting evaporator, the second temperature value include the of the refrigerating chamber
3rd room temperature angle value of one room temperature angle value, the second Room temperature value of the temperature-changing chamber and the refrigerating chamber.
A kind of server of embodiments of the present invention, including：
One or more processors；
Memory；And
One or more programs, wherein one or more of programs are stored in the memory, and it is configured
By one or more of computing devices, described program is used for the instruction for performing the determination methods.
A kind of computer-readable recording medium of embodiments of the present invention, including the computer being used in combination with server
Program, the computer program can be executed by processor to complete the determination methods.
Determination methods, server and the computer-readable recording medium of embodiment of the present invention utilize support vector cassification
Device judges whether refrigerator leakage of refrigerant failure occurs, so as to help Maintenance Engineer to understand failure cause in advance, brings all
Spare part, effectively improve on-site maintenance rate of Maintenance Engineer.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Fig. 2 is the refrigerator of embodiment of the present invention and the connection diagram of server；
Fig. 3 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Fig. 4 is the module diagram of the server of embodiment of the present invention；
Fig. 5 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Fig. 6 is another module diagram of the server of embodiment of the present invention；
Fig. 7 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Fig. 8 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Fig. 9 is another module diagram of the server of embodiment of the present invention；
Figure 10 is that the refrigerator of embodiment of the present invention belongs to the first temperature value of normal conditions and the change schematic diagram of difference；
Figure 11 is the first temperature value and the change signal of difference of the appearance leakage of refrigerant failure of embodiment of the present invention
Figure；
Figure 12 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Figure 13 is the refrigerator of embodiment of the present invention and another connection diagram of server；
Figure 14 is another schematic flow sheet of the determination methods of the breakdown of refrigerator of embodiment of the present invention；
Figure 15 is another module diagram of the server of embodiment of the present invention；
Figure 16 is another module diagram of the server of embodiment of the present invention；
Figure 17 is the server of embodiment of the present invention and the connection diagram of computer-readable recording medium.
Main element symbol description：
Refrigerator 100, storeroom 110, evaporator 120, the first temperature sensor 130, second temperature sensor 140, communication
Module 150, server 200, the first acquisition module 212, computing module 214, first processing module 216, the first judge module
218th, Second processing module 222, the second judge module 224, the 3rd processing module 226, the 3rd judge module 228, second obtain
Module 232, training module 234, pushing module 236, processor 240, memory 260, computer-readable recording medium 300.
Embodiment
Embodiments of the present invention are described below in detail, the embodiment of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the present invention, and it is not intended that to limit of the invention
System.
Also referring to Fig. 1 and Fig. 2, the determination methods of embodiment of the present invention can be used for judging whether refrigerator 100 goes out
Existing leakage of refrigerant failure.Refrigerator 100 includes storeroom 110 and evaporator 120, and refrigerator 100 includes being used to detect evaporator 120
The first temperature value the first temperature sensor 130 and for detect storeroom 110 second temperature value second temperature sensing
Device 140.Determination methods include：
Step S212：Obtain multiple first temperature values and corresponding multiple second temperature values；
Step S214：Calculate the difference of each second temperature value and preset temperature value；
Step S216：Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio；With
Step S218：When the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio, refrigerator is judged
100 there is leakage of refrigerant failure.
Referring to Fig. 2, the server 200 of embodiment of the present invention can be used for judging whether refrigerator 100 is made
Cryogen reveals failure.Refrigerator 100 includes storeroom 110 and evaporator 120, and refrigerator 100 includes being used for detecting the of evaporator 120
First temperature sensor 130 of one temperature value and the second temperature sensor of the second temperature value for detecting storeroom 110
140.Server 200 includes the first acquisition module 212, computing module 214, the judge module of first processing module 216 and first
218.First acquisition module 212 is used to obtain multiple first temperature values and corresponding multiple second temperature values.Computing module 214 is used
In the difference for calculating each second temperature value and preset temperature value.First processing module 216 is used to utilize support vector cassification
Device handle multiple first temperature values and corresponding multiple differences with judge refrigerator 100 occur leakage of refrigerant failure ratio whether
More than the first preset ratio.The ratio that first judge module 218 is used to leakage of refrigerant failure occur in refrigerator 100 is more than first
During preset ratio, judge that leakage of refrigerant failure occurs in refrigerator 100.
In other words, the determination methods of embodiment of the present invention can be realized by the server 200 of embodiment of the present invention,
Wherein, step S212 can be realized that step S214 can be realized by computing module 214, step S216 by the first acquisition module 212
It can be realized by first processing module 216, step S218 can be realized by the first judge module 218.
In some embodiments, the determination methods of embodiment of the present invention can also be by the refrigerator of invention embodiment
100 realize, for example, step S212, S214, S216 and S218 can be by data processing equipment (such as processors of refrigerator 100
Deng) realize.
The determination methods and server 200 of embodiment of the present invention judge that refrigerator 100 is using support vector machine classifier
It is no leakage of refrigerant failure occur, so as to help Maintenance Engineer to understand failure cause in advance, spare part is brought all, is effectively improved
On-site maintenance rate of Maintenance Engineer.
In some embodiments, storeroom 110 includes refrigerating chamber, temperature-changing chamber and refrigerating chamber, and evaporator 120 includes freezing
Defrosting evaporator and refrigeration defrosting evaporator, the first temperature value include freezing the first evaporator temperature values of defrosting evaporator and cold
Hide the second evaporator temperature values of defrosting evaporator, the first room temperature angle value of second temperature value including refrigerating chamber, the of temperature-changing chamber
3rd room temperature angle value of two room temperature angle value and refrigerating chamber.Refrigerating chamber, temperature-changing chamber and refrigerating chamber refer respectively to the different storage of temperature
Room 110, freezing defrosting evaporator and refrigeration defrosting evaporator can be that different storerooms 110 provide low temperature.Need what is illustrated
It is that refrigerator 100 includes at least one storeroom 110 and at least one evaporator 120, according to the manufacturer of refrigerator 100 and model
Difference, refrigerator 100 can include refrigerating chamber, temperature-changing chamber and refrigerating chamber in it is at least one, i.e., refrigerator 100 include refrigerating chamber or
Person's refrigerator 100 include temperature-changing chamber or refrigerator 100 include refrigerating chamber or refrigerator 100 include refrigerating chamber and temperature-changing chamber or
Refrigerator 100 includes refrigerating chamber and refrigerating chamber or refrigerator 100 includes temperature-changing chamber and refrigerating chamber or refrigerator 100 and includes freezing
Room, temperature-changing chamber and refrigerating chamber.In addition, the quantity for refrigerating chamber, temperature-changing chamber and the refrigerating chamber that refrigerator 100 includes can also be multiple,
It is not specifically limited herein.
In some embodiments, multiple storerooms 110 can share an evaporator 120, i.e., an evaporator 120 is more
Individual storeroom 110 provides low temperature.Wherein, an evaporator 120 by conductive structure (such as blower fan) by the low temperature of evaporator 120
Multiple storerooms 110 are delivered separately to, so that multiple storerooms 110 may be at different temperature.For example, in storeroom
110 include refrigerating chamber, temperature-changing chamber and refrigerating chamber, cold when evaporator 120 includes freezing defrosting evaporator and refrigeration defrosting evaporator
Low temperature can be provided for refrigerating chamber by freezing defrosting evaporator, and refrigeration defrosting evaporator can be respectively that temperature-changing chamber and refrigerating chamber offer are low
Temperature.In embodiments of the present invention, storeroom 110 includes refrigerating chamber, temperature-changing chamber and refrigerating chamber, and evaporator 120 includes freezingization
White evaporator and refrigeration defrosting evaporator.The quantity of first temperature sensor 130 is two, two the first temperature sensors 130
It is respectively used to the first evaporator temperature values of detection freezing defrosting evaporator and the second evaporator temperature of refrigeration defrosting evaporator
Value.The quantity of second temperature sensor 140 is three, and three second temperature sensors 140 can be respectively used to detect refrigerating chamber
3rd room temperature angle value of the first room temperature angle value, the second Room temperature value of temperature-changing chamber and refrigerating chamber.
In some embodiments, the first temperature sensor 130 can be arranged on evaporator 120 and be steamed for detection
The temperature value of device 120 is sent out as the first temperature value, second temperature sensor 140 can be arranged in storeroom 110 for
The temperature value of storeroom 110 is detected as second temperature value, wherein, storeroom 110, can be with order to ensure larger memory space
Slotted in storeroom 110, and second temperature sensor 140 is arranged in groove.
It is appreciated that preset temperature value can refer to the storeroom 110 that user sets or is stored in advance in refrigerator 100
Internal temperature values, refrigerator 100 by caused by evaporator 120 low temperature control storeroom 110 internal temperature values be intended to it is pre-
If temperature value.In some embodiments, the internal temperature values of storeroom 100 are regulatable that being set by user to obtain
Obtain preset temperature value；In other embodiments, the internal temperature values of storeroom 100 are predeterminable in refrigerator 100 and/or services
In device 200.
In some embodiments, SVMs (SVM) grader is a kind of sorting algorithm.Support vector machine classifier
It can be preset in server 200 or be trained by a large amount of related datas and be obtained.
In some embodiments, it is leakage of refrigerant failure that the first preset ratio, which is used to erroneous judgement be reduced or avoided,.Need
It is noted that the first preset ratio is bigger, erroneous judgement probability is smaller, but can influence the efficiency judged, that is, is difficult to be sentenced
Disconnected conclusion；First preset ratio is smaller, and the efficiency of judgement is higher, but the probability of erroneous judgement is bigger.In one embodiment,
First preset ratio is 90%.
Referring to Fig. 3, in some embodiments, determination methods include：
Step S222：Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that refrigerator 100 belongs to normal conditions is more than the second preset ratio；With
Step S224：When the ratio that refrigerator 100 belongs to normal conditions is more than the second preset ratio, judge that refrigerator 100 belongs to
In normal conditions.
Referring to Fig. 4, in some embodiments, server 200 includes the judge module of Second processing module 222 and second
224.Second processing module 222 is used to handle multiple first temperature values and corresponding multiple differences using support vector machine classifier
Whether it is more than the second preset ratio to judge that refrigerator 100 belongs to the ratios of normal conditions.Second judge module 224 is used in refrigerator
When 100 ratios for belonging to normal conditions are more than the second preset ratio, judge that refrigerator 100 belongs to normal conditions.
In other words, step S222 can be realized by Second processing module 222, and step S224 can be by the second judge module
224 realize.
So, it can be determined that whether refrigerator 100 belongs to normal conditions.
Specifically, refrigerator 100 belongs to normal conditions and refers to that refrigerator 100 being capable of normal work.Second preset ratio is used to subtract
Less or erroneous judgement refrigerator 100 is avoided to belong to normal conditions.It should be noted that the second preset ratio is bigger, erroneous judgement probability is got over
It is small, but the efficiency judged can be influenceed, that is, it is difficult to the conclusion judged；Second preset ratio is smaller, and the efficiency of judgement is higher,
But the probability of erroneous judgement is bigger.In one embodiment, the second preset ratio is 90%.In addition, the first preset ratio and
Two preset ratios can be not specifically limited herein with identical or different.
Referring to Fig. 5, in some embodiments, determination methods include：
Step S226：Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that other failures occurs in refrigerator 100 is more than the 3rd preset ratio；With
Step S228：When the ratio that other failures occurs in refrigerator 100 is more than three preset ratios, judge that refrigerator 100 goes out
Other existing failures.
Referring to Fig. 6, in some embodiments, server 200 includes the 3rd processing module 226 and the 3rd judge module
228.3rd processing module 226 is used to handle multiple first temperature values and corresponding multiple differences using support vector machine classifier
To judge whether the ratio that other failures occurs in refrigerator 100 is more than the 3rd preset ratio.3rd judge module 228 is used in refrigerator
When 100 ratios for other failures occur are more than three preset ratios, judge that other failures occurs in refrigerator 100.
In other words, step S226 can be realized by the 3rd processing module 226, and step S228 can be by the 3rd judge module
228 realize.
So, it can be determined that whether refrigerator 100 other failures occurs.
Specifically, refrigerator 100 occur other failures refer to refrigerator 100 occur in addition to leakage of refrigerant failure other therefore
Barrier, other failures include freezing fan trouble, alternating temperature damper faults, electromagnetic valve failure etc..3rd preset ratio is used to reduce
Or it is other failures to avoid erroneous judgement.It should be noted that the 3rd preset ratio is bigger, erroneous judgement probability is smaller, but can shadow
The efficiency judged is rung, that is, is difficult to the conclusion judged；3rd preset ratio is smaller, and the efficiency of judgement is higher, but erroneous judgement
Probability it is bigger.In one embodiment, the 3rd preset ratio is 90%.In addition, the first preset ratio, the second preset ratio and
3rd preset ratio can be not specifically limited herein with identical or different.
In some embodiments, determination methods can determine whether that refrigerator 100 belongs to normal conditions, leakage of refrigerant failure occurs
Still there are other failures.
In one embodiment, support vector machine classifier includes three graders, is that refrigerator 100 belongs to positive reason respectively
Shape belongs to normal conditions and the grader A2 of other failures occurs with there is the grader A1 of leakage of refrigerant failure, refrigerator 100,
There is leakage of refrigerant failure and the grader A3 of other failures occur, every group of temperature Value Data (including the first temperature value and difference
Value) it is required for handling by three support vector machine classifiers, judge which kind of feelings belonged to by three support vector machine classifiers
Shape, then the final classification of number is most in three kinds of situations situation as data is taken, finally count and judge the ratio of final classification
Whether example is more than preset ratio, so as to obtain the situation of refrigerator 100.Such as one group of data after grader A1 by being judged as occurring
Leakage of refrigerant failure, by being judged as normal conditions after grader A2, by being judged as that refrigerant occur lets out after grader A3
Reveal failure, due to there is the situation of leakage of refrigerant failure for twice, normal conditions are once other failures do not occur, because
The final classification of this this group of data is leakage of refrigerant failure occur.It should be noted that in some embodiments, due to number
According to error or there is erroneous judgement, one group of data is respectively gone out by being likely to occur three kinds of situations after three support vector machine classifiers
The problem of existing one time, can be by giving up this group of data or being reclassified using SVMs or give up all data (the
One temperature value and difference) and solve this problem the methods of reacquire.
The ratio for occurring leakage of refrigerant failure in refrigerator 100 is less than or equal to the first preset ratio, and refrigerator 100 belongs to normal
The ratio of situation is less than or equal to the second preset ratio, and the ratio that other failures occurs in refrigerator 100 is less than or equal to the 3rd default ratio
During example, the first temperature value and difference and the determination methods for re-executing embodiment of the present invention are reacquired.
Referring to Fig. 7, in some embodiments, step S212 includes：
Step S2122：Multiple time points in preset duration obtain and cache multiple first temperature values and multiple second
Temperature value.
Referring to Fig. 2, in some embodiments, the first acquisition module 212 is used for multiple in preset duration
Time point obtains and caches multiple first temperature values and multiple second temperature values.
In other words, step S2122 can be realized by the first acquisition module 212.
In this way, server 200 can obtain multiple first temperature values and multiple second temperature values.
It is appreciated that refrigerator 100 can gather multiple first temperature values and multiple second temperature values by temperature sensor,
And multiple first temperature values, multiple second temperature values and preset temperature value are uploaded to server 200.Refrigerator 100 can pass through
Multiple time points gather multiple first temperature values and multiple second temperature values respectively, and each time point gathers first temperature value
With a second temperature value, multiple first temperature values and multiple second temperature values are uploaded to clothes again after then caching preset duration
Business device 200；Or refrigerator 100 gathers multiple first temperature values and multiple second temperature values and real-time respectively by multiple time points
Server 200 is uploaded to, server 200 is buffered in the temperature Value Data that refrigerator 100 uploads in preset duration, multiple so as to obtain
First temperature value and multiple second temperature values.In one embodiment, preset duration is 6 hours, and time point is in preset duration
Inside at regular intervals (such as one minute, ten minutes or 30 minutes) corresponding to time point.
Referring to Fig. 8, in some embodiments, determination methods include：
Step S232：Acquisition has been marked as refrigerator 100 and multiple first temperature values corresponding to leakage of refrigerant failure occurs
With multiple differences；
Step S234：According to have been marked as refrigerator 100 there is leakage of refrigerant failure corresponding to multiple first temperature values
With multiple difference Training Support Vector Machines graders.
Referring to Fig. 9, in some embodiments, server 200 includes the second acquisition module 232 and training module 234.
Second acquisition module 232 has been marked as refrigerator 100 for acquisition and multiple first temperature corresponding to leakage of refrigerant failure occurs
Value and multiple differences.Training module 234 be used for according to have been marked as refrigerator 100 occur it is multiple corresponding to leakage of refrigerant failure
First temperature value and multiple difference Training Support Vector Machines graders.
In other words, step S232 can be realized that step S234 can be by training module 234 by the second acquisition module 232
Realize.
In this way, it can train and obtain support vector machine classifier.
In one embodiment, storeroom 110 includes refrigerating chamber, temperature-changing chamber and refrigerating chamber, and evaporator 120 includes freezingization
White evaporator and refrigeration defrosting evaporator, the first temperature value include the first evaporator temperature values T of freezing defrosting evaporatorfdWith it is cold
Hide the second evaporator temperature values T of defrosting evaporatorrd, difference includes the first room temperature angle value T of refrigerating chamberfWith presetting for refrigerating chamber
Temperature value Tfs, temperature-changing chamber second Room temperature value TcWith the preset temperature value T of temperature-changing chambercs, refrigerating chamber the 3rd room temperature angle value Tr
With the preset temperature value T of refrigerating chamberrs.Support vector machine classifier includes three graders, is that refrigerator 100 belongs to positive reason respectively
Shape belongs to normal conditions and the grader A2 of other failures occurs with there is the grader A1 of leakage of refrigerant failure, refrigerator 100,
There is leakage of refrigerant failure and the grader A3 of other failures occur.It can obtain and have been marked as leakage of refrigerant event occur
Barrier, normal conditions, there is multiple first temperature values of other failures and multiple differences, let out using having been marked as refrigerant occur
Dew failure and multiple first temperature values of normal conditions and multiple differences trains and obtain grader A1 method and following (train simultaneously
It is similar with grader A3 to obtain grader A2).
Input parameter vector x=[Tr-Trs, Tc-Tcs, Tf-Tfs, Tfd, Trd], then it is changed into given training set T={ (x1, y1),
(x2, y2) ..., (xN, yN), (xi∈ X=R5, yi∈ Y={+1, -1 }, i=1, wherein 2 ... N, yi=+1 represents normal conditions；
yi=-1 represents refrigerant leakage failure.) under to the classification problem of input parameter.Solution procedure is as follows：
Choose appropriate kernel function K (x, z) and (gaussian kernel function is chosen in embodiment of the present invention：K (x, z)=exp (- | | x-
z||2/2σ2)) and appropriate parameter C, construct and solve optimization problem
0≤α≤C, i=1,2..., N
Optimal solution α is tried to achieve using sequential minimal optimization (SMO)*=(α1 *,α2 *,...,αN *).
Select a*A positive component 0<αj *<C, calculate
Construction decision function is classified to input parameter x：
So as to unlabelled data are marked using decision function to obtain the working condition of refrigerator 100.Example
Such as, computing is carried out to the first temperature value and difference of input using decision function, (corresponding refrigerator 100 belongs to just so as to obtain+1
Reason shape) and -1 (corresponding refrigerator 100 leakage of refrigerant failure occur) numerical value.
Also referring to Figure 10 and Figure 11, in some embodiments, refrigerator 100 belongs to normal conditions and refrigerant occurs
The first temperature value and the numerical value of difference of leakage failure and change are different, can be distinguished using support vector machine classifier
Refrigerator 100 belongs to normal conditions and the difference of leakage of refrigerant failure occurs, so as to be carried out to the first temperature value and difference
Classification, and then determine the working condition of refrigerator.
Also referring to Figure 12 and Figure 13, refrigerator 100 includes being used for the communication module 150 to communicate with server 200.Step
S232 includes：
Step S2322：Transmitted using communication module 150 between refrigerator 100 and server 200 and have been marked as refrigerator
100 there is multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure.
Referring to Figure 13, in some embodiments, refrigerator 100 includes being used for the communication to communicate with server 200
Module 150.Second acquisition module 232 is used to transmit between refrigerator 100 and server 200 using communication module 150 to have marked
It is designated as refrigerator 100 and multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure occurs.
In other words, step S2322 can be realized by the second acquisition module 232.
In this way, server 200 can obtain and have been marked as refrigerator 100 and occur multiple corresponding to leakage of refrigerant failure
One temperature value and multiple differences.
Specifically, it is determined that after the working condition (normal conditions, leakage of refrigerant failure or other failures) of refrigerator 100,
Refrigerator 100 can utilize temperature sensor to gather multiple first temperature values and multiple second temperature values, and pass through communication module 150
Multiple first temperature values and multiple second temperature values are transferred to server 200, server 200 is according to the refrigerator 100 of determination
The first temperature value and second temperature value can be marked for working condition, so as to which server 200 can be had been marked as
There is multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure in refrigerator 100.In addition, multiple servers 200 it
Between can also carry out having been marked as refrigerator 100 multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure occur
Mutual transmission, be not specifically limited herein.
In some embodiments, the determination methods of embodiment of the present invention are real by the refrigerator 100 of embodiment of the present invention
Now, refrigerator 100 can be obtained from server 200 by communication module 150 has been marked as refrigerator 100 and leakage of refrigerant occurs
Multiple first temperature values and multiple differences corresponding to failure, so as to which refrigerator 100 can be made using refrigerator 100 is had been marked as
Multiple first temperature values and multiple differences are trained to support vector machine classifier corresponding to cryogen leakage failure.
Figure 14 is referred to, in some embodiments, determination methods include：
Step S236：The conclusion that refrigerator 100 to leakage of refrigerant failure occurs pushes to default terminal.
Figure 15 is referred to, in some embodiments, server 200 includes pushing module 236.Pushing module 236 is used for
The conclusion that refrigerator 100 to leakage of refrigerant failure occurs pushes to default terminal.
In other words, step S236 can be realized by pushing module 236.
In this way, default terminal can be pushed in time when leakage of refrigerant failure occurs in refrigerator 100.
Specifically, default terminal can include maintenance relevant departments or the server of company, maintenance personal mobile terminal,
It is at least one in the mobile terminal and the grade of refrigerator 100 of user.Default terminal can send prompting after receiving conclusion, preset eventually
End can be including at least one in display panel, electroacoustic component (such as loudspeaker) and vibrating elements, i.e., default terminal includes display
Panel, either default terminal, which includes electroacoustic component or default terminal, includes vibrating elements, or default terminal includes display surface
Plate and electroacoustic component, either default terminal includes display panel and vibrating elements or default terminal includes electroacoustic component and shaken
Dynamic element, or default terminal include display panel, electroacoustic component and vibrating elements.Default terminal can by image, word,
The modes such as voice, vibrations send prompting, are not specifically limited herein.Server 200 can be for the computer as server,
Mobile terminal can be mobile phone, tablet personal computer etc..
Figure 16 is referred to, the server 200 of embodiment of the present invention includes one or more controllers 240, memory 260
And one or more programs.Wherein one or more programs are stored in memory 260, and are configured by one or more
Individual controller 240 performs, and program is used for the instruction for performing the determination methods of any of the above-described embodiment of the present invention.
For one of example, program can be used for the instruction for performing following determination methods：
Step S212：Obtain multiple first temperature values and corresponding multiple second temperature values；
Step S214：Calculate the difference of each second temperature value and preset temperature value；
Step S216：Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio；With
Step S218：When the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio, refrigerator is judged
100 there is leakage of refrigerant failure.
Figure 17, the computer-readable recording medium 300 of embodiment of the present invention are referred to, including is combined with server 200
The computer program used, computer program can be performed by processor 240 to complete sentencing for any of the above-described embodiment of the invention
Disconnected method.
For one of example, computer program can be performed by processor 240 to complete following determination methods：
Step S212：Obtain multiple first temperature values and corresponding multiple second temperature values；
Step S214：Calculate the difference of each second temperature value and preset temperature value；
Step S216：Multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier to judge
Whether the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio；With
Step S218：When the ratio that leakage of refrigerant failure occurs in refrigerator 100 is more than the first preset ratio, refrigerator is judged
100 there is leakage of refrigerant failure.
It is pointed out that computer-readable recording medium 300 can be the storage medium being built in server 200,
It can also be plugged on server 200 storage medium with can plugging.
In the description of embodiments of the present invention, term " first ", " second " are only used for describing purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
One or more feature can be expressed or be implicitly included to the feature of " second ".In embodiments of the present invention
In description, " multiple " are meant that two or more, unless otherwise specifically defined.
, it is necessary to illustrate in the description of embodiments of the present invention, unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also lead to
Cross intermediary to be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.For ability
For the those of ordinary skill in domain, it can understand that above-mentioned term in embodiments of the present invention specific contains as the case may be
Justice.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means the tool with reference to the embodiment or example description
Body characteristicses, structure, material or feature are contained at least one embodiment or example of the present invention.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processing module or other can be from instruction
The system of execution system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any can include, store, communicating, propagating or
Transmission program uses for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or more wiring
Electrical connection section (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of embodiments of the present invention can be with hardware, software, firmware or combinations thereof come real
It is existing.In the above-described embodiment, multiple steps or method can use storage in memory and by suitable instruction execution system
The software or firmware of execution is realized.If for example, being realized with hardware, with another embodiment, ability can be used
Any one of following technology known to domain or their combination are realized：With for realizing logic function to data-signal
The discrete logic of logic gates, there is the application specific integrated circuit of suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing module, also may be used
To be that unit is individually physically present, can also two or more units be integrated in a module.It is above-mentioned integrated
Module can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module
If realized in the form of software function module and as independent production marketing or in use, a calculating can also be stored in
In machine read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (18)
1. a kind of determination methods of breakdown of refrigerator, it is characterised in that the refrigerator includes storeroom and evaporator, the refrigerator bag
Include the first temperature sensor of the first temperature value for detecting the evaporator and the second temperature for detecting the storeroom
The second temperature sensor of angle value, the determination methods include：
Obtain multiple first temperature values and corresponding multiple second temperature values；
Calculate the difference of each the second temperature value and preset temperature value；
It is described to judge that multiple first temperature values and corresponding multiple differences are handled using support vector machine classifier
Whether the ratio that leakage of refrigerant failure occurs in refrigerator is more than the first preset ratio；With
When the ratio that leakage of refrigerant failure occurs in the refrigerator is more than first preset ratio, judge that the refrigerator occurs
Leakage of refrigerant failure.
2. determination methods as claimed in claim 1, it is characterised in that the determination methods include：
Multiple first temperature values and corresponding multiple differences are handled using the support vector machine classifier to judge
Whether the ratio that the refrigerator belongs to normal conditions is more than the second preset ratio；With
When the ratio that the refrigerator belongs to normal conditions is more than second preset ratio, judge that the refrigerator belongs to positive reason
Shape.
3. determination methods as claimed in claim 1 or 2, it is characterised in that the determination methods include：
Multiple first temperature values and corresponding multiple differences are handled using the support vector machine classifier to judge
Whether the ratio that other failures occurs in the refrigerator is more than the 3rd preset ratio；With
When the ratio that other failures occurs in the refrigerator is more than three preset ratio, judge that other events occurs in the refrigerator
Barrier.
4. determination methods as claimed in claim 1, it is characterised in that the multiple first temperature value and right of obtaining
The multiple second temperature values answered include：
Multiple time points in preset duration obtain and cache multiple first temperature values and multiple second temperature values.
5. determination methods as claimed in claim 1, it is characterised in that the determination methods include：
Acquisition has been marked as the refrigerator and multiple first temperature values and multiple institutes corresponding to leakage of refrigerant failure occurs
State difference；
According to have been marked as the refrigerator there is leakage of refrigerant failure corresponding to multiple first temperature values and multiple institutes
State difference and train the support vector machine classifier.
6. determination methods as claimed in claim 5, it is characterised in that the refrigerator includes being used for the communication with server communication
Module, the acquisition have been marked as the refrigerator and multiple first temperature values corresponding to leakage of refrigerant failure and more occur
The individual difference includes：
Transmitted using the communication module between the refrigerator and the server and have been marked as the refrigerator and freeze
Multiple first temperature values and multiple differences corresponding to agent leakage failure.
7. determination methods as claimed in claim 1, it is characterised in that the determination methods include：
The conclusion that the refrigerator to leakage of refrigerant failure occurs pushes to default terminal.
8. determination methods as claimed in claim 1, it is characterised in that the storeroom includes refrigerating chamber, temperature-changing chamber and refrigeration
Room, the evaporator include freezing defrosting evaporator and refrigeration defrosting evaporator, and first temperature value includes the freezingization
Second evaporator temperature values of the first evaporator temperature values of white evaporator and the refrigeration defrosting evaporator, the second temperature
Value includes the first room temperature angle value, the second Room temperature value of the temperature-changing chamber and the 3rd room temperature of the refrigerating chamber of the refrigerating chamber
Angle value.
9. a kind of server, for judging whether refrigerator leakage of refrigerant failure occurs, it is characterised in that the refrigerator includes storage
Room and evaporator are hidden, the refrigerator includes being used to detect the first temperature sensor of the first temperature value of the evaporator and is used for
The second temperature sensor of the second temperature value of the storeroom is detected, the server includes：
First acquisition module, first acquisition module are used to obtain multiple first temperature values and corresponding multiple described the
Two temperature values；
Computing module, the computing module are used for the difference for calculating each the second temperature value and preset temperature value；
First processing module, the first processing module are used to handle multiple first temperature using support vector machine classifier
Whether to be more than first default to judge the ratio of leakage of refrigerant failure occur by the refrigerator for value and corresponding multiple differences
Ratio；With
First judge module, the ratio that first judge module is used to occur leakage of refrigerant failure in the refrigerator are more than institute
When stating the first preset ratio, judge that leakage of refrigerant failure occurs in the refrigerator.
10. server as claimed in claim 9, it is characterised in that the server includes：
Second processing module, the Second processing module are used to utilize support vector machine classifier processing multiple described first
Whether temperature value and corresponding multiple differences are more than the second default ratio to judge that the refrigerator belongs to the ratios of normal conditions
Example；With
Second judge module, the ratio that second judge module is used to belong in the refrigerator normal conditions are more than described second
During preset ratio, judge that the refrigerator belongs to normal conditions.
11. the server as described in claim 9 or 10, it is characterised in that the server includes：
3rd processing module, the 3rd processing module are used to utilize support vector machine classifier processing multiple described first
Temperature value and corresponding multiple differences are to judge whether the ratio that other failures occurs in the refrigerator is more than the 3rd default ratio
Example；With
3rd judge module, the ratio that the 3rd judge module is used to other failures occur in the refrigerator are more than the described 3rd
During preset ratio, judge that other failures occurs in the refrigerator.
12. server as claimed in claim 9, it is characterised in that first acquisition module is used in preset duration
Multiple time points obtain and cache multiple first temperature values and multiple second temperature values.
13. server as claimed in claim 9, it is characterised in that the server includes：
Second acquisition module, second acquisition module have been marked as the refrigerator for acquisition and leakage of refrigerant failure occur
Corresponding multiple first temperature values and multiple differences；
Training module, the training module be used for according to have been marked as the refrigerator occur it is more corresponding to leakage of refrigerant failure
Individual first temperature value and multiple differences train the support vector machine classifier.
14. server as claimed in claim 13, it is characterised in that the refrigerator includes being used for and the server communication
Communication module, second acquisition module are used to transmit between the refrigerator and the server using the communication module
It is marked as the refrigerator and multiple first temperature values and multiple differences corresponding to leakage of refrigerant failure occurs.
15. server as claimed in claim 9, it is characterised in that the server includes：
Pushing module, the pushing module, which is used to push to the conclusion that leakage of refrigerant failure occurs in the refrigerator, to be preset eventually
End.
16. server as claimed in claim 9, it is characterised in that the storeroom includes refrigerating chamber, temperature-changing chamber and refrigeration
Room, the evaporator include freezing defrosting evaporator and refrigeration defrosting evaporator, and first temperature value includes the freezingization
Second evaporator temperature values of the first evaporator temperature values of white evaporator and the refrigeration defrosting evaporator, the second temperature
Value includes the first room temperature angle value, the second Room temperature value of the temperature-changing chamber and the 3rd room temperature of the refrigerating chamber of the refrigerating chamber
Angle value.
A kind of 17. server, it is characterised in that including：
One or more processors；
Memory；And
One or more programs, wherein one or more of programs are stored in the memory, and it is configured by institute
One or more processors execution is stated, described program is used for the finger that perform claim requires the determination methods described in 1-8 any one
Order.
18. a kind of computer-readable recording medium, it is characterised in that including the computer program being used in combination with server, institute
Stating computer program can be executed by processor to complete the determination methods described in claim 1-8 any one.
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| CN201710557717.XA CN107341520B (en) | 2017-07-10 | 2017-07-10 | Judgment method, server and the computer readable storage medium of breakdown of refrigerator |
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| CN201710557717.XA CN107341520B (en) | 2017-07-10 | 2017-07-10 | Judgment method, server and the computer readable storage medium of breakdown of refrigerator |
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| CN113531981A (en) * | 2021-07-20 | 2021-10-22 | 四川虹美智能科技有限公司 | Refrigerator refrigeration abnormity detection method and device based on big data |
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| CN107341520B (en) | 2019-10-01 |
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