CN106766649B - For detecting the method for whether being put into temperature anomaly article in refrigerator - Google Patents
For detecting the method for whether being put into temperature anomaly article in refrigerator Download PDFInfo
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- CN106766649B CN106766649B CN201611047449.9A CN201611047449A CN106766649B CN 106766649 B CN106766649 B CN 106766649B CN 201611047449 A CN201611047449 A CN 201611047449A CN 106766649 B CN106766649 B CN 106766649B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/06—Sensors detecting the presence of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/121—Sensors measuring the inside temperature of particular compartments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of for detecting the method for whether being put into temperature anomaly article in refrigerator, wherein refrigerator includes: the internal multiple infrared sensors for being divided into the cabinet of multiple storage spaces, the door body of cabinet front being arranged in and is sensed respectively to the temperature of multiple storage spaces, and this method comprises: controlling multiple infrared sensor collecting temperature values after door body unlatching；Judge in multiple storage spaces with the presence or absence of the abnormal storage space that may be put into temperature anomaly article；If judgement has abnormal storage space, abnormal storage space is obtained in the first temperature change value that may be put into before and after temperature anomaly article and its second temperature changing value as caused by progress heat exchange between external environment and its before and after it may be put into temperature anomaly article；And judge whether be put into temperature anomaly article in abnormal storage space according to the first temperature change value and second temperature changing value.The present invention can relatively accurately judge whether be put into Superheat Food in a certain storage space.
Description
Technical field
The present invention relates to refrigerating equipment, more particularly to one kind for detecting whether be put into temperature anomaly object in refrigerator
The method of product.
Background technique
Conventional refrigerator usually senses the temperature around its position using the temperature sensor being arranged in inside storage room
Degree, using the temperature as the foundation of refrigeration control.When carrying out refrigerator control using this control mode, in temperature sensor measurement
Temperature be higher than preset value when, refrigerator starting refrigeration.However, storage room put object partition be divided into it is multiple relatively independent
In the case where storage space, if the higher hot food of temperature is put into a certain storage space of refrigerator by user, on the one hand, hot food
Be put into the temperature that will affect storage space where it, so that the various bacteriums being originally present in refrigerator inside food can be made to obtain
To breed faster, it is unfavorable for the healthy and safe preservation of food；On the other hand, if integrally carried out to storage room indiscriminate
Refrigeration, it will cause waste of energy, at the same will lead to be put into hot food storage space cooling it is slow.
In addition, storage space temperature change can be caused by being put into the higher hot food of temperature, and is not put into refrigerator open
The storage space of hot food also due between external environment and storage room heat exchange caused by free convection cause temperature to become
Change, but distinguish above-mentioned two situations without method of discrimination appropriate always in the prior art, leads to refrigerator in the prior art
Refrigeration control it is not accurate enough.Do not increase refrigerator hardware cost too much, above-mentioned two can relatively accurately be distinguished by providing one kind
The method of discrimination of kind situation is that refrigerator art thirsts for always solution but always unsolved technical problem.
Summary of the invention
In view of the above problems, the present invention is proposed to overcome the above problem or at least to be partially solved the above problem.
A further object of the present invention is to provide in a kind of detection refrigerator whether be put into the side of temperature anomaly article
Whether method is put into Superheat Food to detect refrigerator during enabling.
Another further object of the present invention is to the accuracys of the refrigeration control of refrigerator to be improved.
Particularly, the present invention provides a kind of for detecting the method for whether being put into temperature anomaly article in refrigerator, wherein
Refrigerator includes: that inside is divided into the cabinet of multiple storage spaces, the door body of cabinet front is arranged in and respectively to multiple storings
Multiple infrared sensors that the temperature in space is sensed, and this method comprises:
After door body unlatching, multiple infrared sensor collecting temperature values are controlled；
Judge in multiple storage spaces with the presence or absence of the abnormal storage space that may be put into temperature anomaly article；
If judgement has abnormal storage space, abnormal storage space is obtained before and after it may be put into temperature anomaly article
First temperature change value and its before and after it may be put into temperature anomaly article due between external environment and its carry out heat exchange lead
The second temperature changing value of cause；And
Judge whether be put into temperature anomaly in abnormal storage space according to the first temperature change value and second temperature changing value
Article.
Optionally, wherein judging in multiple storage spaces with the presence or absence of abnormal storage space, comprising:
During door body is opened, if there is the adjacent temperature acquired twice in any infrared sensor in multiple infrared sensors
The absolute value of the difference of angle value is greater than the case where the first preset value, then judges there is abnormal storage space in multiple storage spaces, and
Each absolute value of the difference for the adjacent temperature value acquired twice occur is greater than the corresponding storing of infrared sensor of the first preset value
Space is abnormal storage space；
During door body is opened, if the absolute value of the difference of the adjacent temperature value acquired twice of each infrared sensor is respectively less than
Equal to the first preset value, then judge that there is no abnormal storage spaces in multiple storage spaces.
Optionally, wherein the step of obtaining the first temperature change value includes:
The corresponding infrared sensor of recording exceptional storage space is absolute the difference for the adjacent temperature value acquired twice occur
Value is greater than before the first preset value E the first temperature value acquired recently, as abnormal storage space may to be put into temperature different
Temperature value before normal article, wherein E >=2；
When the corresponding infrared sensor of abnormal storage space is in the absolute value of the difference for the adjacent temperature value acquired twice occur
Greater than after the first preset value, occur continuous N time acquisition temperature value be all satisfied the adjacent temperature value acquired twice difference it is exhausted
When to value less than the second preset value, the corresponding infrared sensor of recording exceptional storage space is any primary in continuous N time acquisition
The second temperature value of acquisition, as temperature value of the abnormal storage space after it may be put into temperature anomaly article, wherein M >=3 and
Second preset value is less than or equal to the first preset value；
The difference of second temperature value and the first temperature value is calculated, and as the first temperature change value.
Optionally, the corresponding infrared sensor of recording exceptional storage space in continuous N time acquisition for the first time or last
The temperature value of secondary acquisition, as temperature value of the abnormal storage space before it may be put into temperature anomaly article.
Optionally, wherein the step of obtaining second temperature changing value includes:
It determines in remaining infrared sensor and occurs adjacent acquiring twice in abnormal storage space corresponding infrared sensor
It is exhausted to the difference for the continuous N time adjacent temperature value acquired twice occur from when the absolute value of the difference of temperature value is greater than the first preset value
When to value less than the second preset value, the absolute value of the difference for not occurring the adjacent temperature value acquired twice is being greater than the first preset value just
Normal infrared sensor；And
Normal infrared sensor is recorded in corresponding infrared sensor acquisition the first temperature value and second of abnormal storage space
The the first normal temperature value and the second normal temperature value acquired when temperature value calculates the second normal temperature value and the first normal temperature
The difference of value, and as second temperature changing value.
Optionally, when the quantity of the normal infrared sensor of determination is more than two, second temperature changing value is equal to all
The average value of the difference of the second normal temperature value and the first normal temperature value of normal infrared sensor acquisition.
Optionally, wherein judging whether put in abnormal storage space according to the first temperature change value and second temperature changing value
The step of entering temperature anomaly article include:
Judge whether the first temperature change value and the difference of second temperature changing value are greater than third preset value,
If so, judging to be put into temperature anomaly article in abnormal storage space；
If it is not, then judging not being put into temperature anomaly article in abnormal storage space；
Wherein third preset value is more than or equal to the first preset value.
Optionally, wherein the quantity of infrared sensor is three or more.
Optionally, wherein controlling multiple infrared sensor collecting temperature values is carried out after door body opens a preset time
's.
Optionally, this method further include:
If judging to be put into temperature anomaly article in abnormal storage space, issues vision and/or audible signal reminds user；
And/or
If judgement there is no abnormal storage space, judges that multiple storage spaces are not put into temperature during door body is opened
Exception items.
The present invention for the method for whether being put into temperature anomaly article in refrigerator to be detected, first judge be in multiple storage spaces
No presence may be put into the abnormal storage space of temperature anomaly article, and further may be put into temperature by abnormal storage space
Spend exception items before and after the first temperature change value and its before and after it may be put into temperature anomaly article due to external environment and its
Between carry out heat exchange caused by second temperature changing value, judge temperature anomaly article whether is put into abnormal storage space.This
The principle for judging whether to be put into temperature anomaly article in abnormal storage space of invention is put into during mainly being opened using refrigerator doors
Hot food and indoor and outdoor heat exchange cause the temperature change of storage space and merely since refrigerator doors are opened inside and outside phase storage space
Temperature natural trend caused by heat exchange is made comparisons, to judge whether be put into Superheat Food in a certain storage space.
Currently, not yet in the presence of the method for whether being put into temperature anomaly article in detection refrigerator in current refrigerator.For common
For user, it may not yet recognize that Superheat Food (such as temperature is greater than the food on 40 DEG C) is put into refrigerator to make refrigerator
At which kind of adverse effect, may also not take notice of whether the food temperature being put into refrigerator is excessively high sometimes.For these problems, originally
The method of invention can relatively accurately judge Superheat Food whether is put into a certain storage space, and can judge in storage space
User is issued when being put into Superheat Food and is reminded, in order to which user is put again after the temperature of temperature anomaly article tends to be normal
Enter refrigerator storage.It avoids or reduces and refrigerator and its interior storing is caused to a certain extent due to being put into overheat article in refrigerator
Adverse effect.
Further, the present invention can relatively accurately distinguish storage space temperature during enabling it is raised the reason is that because
The higher food of temperature is put into or merely due to heat exchange caused by free convection between external environment and storage space, to have
Carry out relatively reasonable refrigeration control appropriate in light of the circumstances conducive to refrigerator.
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 according to an embodiment of the invention for the method for whether being put into temperature anomaly article in refrigerator to be detected
Schematic diagram；
Fig. 3 is in judgement refrigerator according to an embodiment of the invention with the presence or absence of the signal of the method for abnormal storage space
Figure；
Fig. 4 is the schematic diagram of the method according to an embodiment of the invention for obtaining the first temperature change value；
Fig. 5 is the schematic diagram of the method according to an embodiment of the invention for obtaining second temperature changing value；
Fig. 6 is the side according to an embodiment of the invention for judging whether to be put into temperature anomaly article in abnormal storage space
The schematic diagram of method；
Fig. 7 is according to an embodiment of the invention for the detailed stream for whether being put into temperature anomaly article in refrigerator to be detected
Cheng Tu.
Specific embodiment
Fig. 1 is the schematic diagram of refrigerator according to an embodiment of the invention.Referring to Fig. 1, the refrigerator is generally
It may include: cabinet 110 and multiple infrared sensors 130.Cabinet 110 can be by roof, bottom wall, rear wall and left and right two side walls
It surrounds, door body (not shown) is set in front of cabinet 110, door body can be connected on side wall using pivot structure.Cabinet 110
Inside defines storage room (such as refrigerating chamber).Storage room can be separated into multiple storage spaces 140.Such as using putting object
Storage room is divided into multiple storage spaces 140 by frame component 120.One of preferred structure are as follows: rack component 120 includes
Storage room, is divided into multiple storage spaces 140 by least one horizontally disposed partition along the vertical direction.In Fig. 1, put
Rack component 120 includes first partition, second partition, third partition, and the first storage space, the are wherein formed above first partition
Formation third storage space between the second storage space, second partition and third partition is formed between one partition and second partition.
In other embodiments of the invention, the quantity of partition quantity and storage space 140 in rack component 120 can be with
It is configured in advance according to the volume of refrigerator and requirement.
Multiple infrared sensors 130, are set to inside storage room, are respectively used to measure the temperature of each storage space 140
Degree.Each infrared sensor 130 is corresponding with a storage space 140, to detect the temperature in the storage space 140.It is infrared
The quantity of sensor 130 is set according to the quantity of storage space 140, and each storage space 140 can be set one infrared
Sensor 130.
In order to improve infrared sensor 130 to the temperature sensing precision of 140 interior items of storage space, meet to storing sky
Between 140 requirements freezed, inventor has carried out a large amount of test to the installation site of infrared sensor 130, and obtains red
The preferred installation site of outer sensor 130 and its preferred configuration mode.Storage space 140 where it of infrared sensor 130
Height be higher than 140 whole height of storage space half at (more preferably range be higher than or be located at storage space 140 it is whole
2/3rds of body height), the infrared receiver center line of infrared sensor 130 is set as relative to angular range straight up
70 degree to 150 degree (more preferably range is 76 degree to 140 degree)；And the level of the infrared receiver center line of infrared sensor 130
The angular range of projection and side wall where it is set as 30 degree to 60 degree (more preferably range is 30 degree to 45 degree).
Infrared sensor 130 does not emit infrared ray, but passively receive in institute's sensing range the infrared ray of article transmitting and
Background infrared ray, the region of variation and temperature of article temperature, are converted to corresponding electric signal directly in perception storage space 140.
In the refrigerator of the embodiment of the present invention, the adjacent measurement result twice of each infrared sensor 130 can be carried out
It calculates, to obtain the temperature rise situation of each storage space 140, and then some is judged according to the temperature rise situation of storage space 140
Whether storage space 140 is put into temperature anomaly article.It will be understood by those skilled in the art that temperature anomaly article herein is
The article of temperature excessively high (such as temperature is more than or equal to 40 DEG C).
In some embodiments of the invention, 3 or more storage spaces 140 are arranged in refrigerator, correspondingly, refrigerator setting 3
A above infrared sensor 130.Due to being at most put into temperature anomaly article in two storage spaces 140 of refrigerator simultaneously,
In this way, still have other storage spaces 140 even if two storage spaces 140 place temperature anomaly article simultaneously not while placing temperature
Spend exception items.
Fig. 2 is according to an embodiment of the invention for the method for whether being put into temperature anomaly article in refrigerator to be detected
Schematic diagram.This is for detecting that the method for whether being put into temperature anomaly article in refrigerator generally may include:
Step S102 controls multiple 130 collecting temperature values of infrared sensor after door body unlatching.
Step S104, the adjacent temperature value acquired twice, judgement during door body is opened according to each infrared sensor 130
With the presence or absence of the abnormal storage space that may be put into temperature anomaly article in multiple storage spaces 140.
Step S106, if judgement has abnormal storage space, temperature anomaly may be put by obtaining abnormal storage space
The first temperature change value before and after article and its before and after it may be put into temperature anomaly article due between external environment and its into
Second temperature changing value caused by row heat exchange.
Step S108 judges whether be put into abnormal storage space according to the first temperature change value and second temperature changing value
Temperature anomaly article.
In step s 102, using the open and-shut mode of the door opening detection device detection door body of refrigerator.Door opening detection device
It can use the various ways such as fan-shaped switch, magnet-sensitive switch, Hall switch to be detected, when door body is closed completely or is opened
Different electric signals is generated, respectively to indicate the state of door body.Multiple infrared biographies can be controlled after door body opens a preset time
130 collecting temperature value of sensor.The preset time may be, for example, 2 to 3 seconds.Make infrared sensor 130 compared to just having opened just in door body
Collecting temperature value, one preset time of delay can be to avoid the temperature value hairs for causing infrared sensor 130 to acquire due to flow perturbation
Raw mutation.
Infrared sensor 130 can carry out one acquisition at interval of 0.1ms (numerical value can be adjusted flexibly).It is multiple infrared
Sensor 130 can be acquired simultaneously.
Step S104 judges empty with the presence or absence of the abnormal storing that may be put into temperature anomaly article in multiple storage spaces 140
Between process include it is a variety of, one of preferred mode can be found in step S1041 shown in Fig. 3 to step S1043.
Step S1041 judges whether have any infrared sensor 130 the adjacent temperature acquired twice occur during enabling
The absolute value of the difference of value is greater than the case where the first preset value；If so, thening follow the steps S1042；If it is not, thening follow the steps S1043.
Step S1042 judges there is abnormal storage space in multiple storage spaces 140, and each occurs adjacent adopting twice
The corresponding storage space 140 of infrared sensor 130 that the absolute value of the difference of the temperature value of collection is greater than the first preset value is exception
Storage space.
Step S1043 judges that there is no abnormal storage spaces in multiple storage spaces 140.
That is, the process of step S104 preferably includes: during door body is opened, if aforesaid plurality of infrared sensor
The absolute value of the difference that the adjacent temperature value acquired twice occurs in any infrared sensor 130 in 130 is greater than the first preset value
Situation (temperature value that i.e. any infrared sensor 130 acquires mutates), then judge exist in aforesaid plurality of storage space 140
Abnormal storage space, and each absolute value of the difference for the adjacent temperature value acquired twice occur is greater than the infrared biography of the first preset value
The corresponding storage space 140 of sensor 130 is abnormal storage space；During door body is opened, if 130 phase of each infrared sensor
The absolute value of the difference for the temperature value that neighbour acquires twice, which is respectively less than, is equal to the first preset value, then judges aforesaid plurality of storage space 140
In there is no abnormal storage spaces.
In step S1041, the size of the first preset value can be obtained according to experiment.For specific refrigerator, storing
Due to being carried out caused by heat exchange between external environment and its, infrared sensor 130 is adjacent examines twice during enabling in space 140
The difference (difference can be denoted as the first difference) of the temperature value of survey can be obtained by carrying out a large amount of tests to the refrigerator.This field
What technical staff was realized that, storage space 140 during enabling due to be put into temperature anomaly article and external environment with
(it is poor that the difference can be denoted as second to its difference for carrying out the adjacent temperature value detected twice of infrared sensor 130 caused by heat exchange
Value) above-mentioned first difference should be greater than.For example, it is 25 DEG C that some storage space 140 of refrigerator is put into temperature during enabling
The size of the difference of the adjacent temperature value detected twice of infrared sensor 130, can be used as the reference value of the first preset value when article.
First preset value for example may be configured as 0.6 DEG C or 0.7 DEG C etc..
In an alternative embodiment, a kind of optional process of step S104 are as follows: adopt multiple infrared sensors 130 same
The temperature of collection number identical acquisition moment acquisition in other words is compared, and temperature is apparently higher than the red of other infrared sensors 130
The corresponding storage space 140 of outer sensor 130 is abnormal storage space.In other alternate embodiments, step S104's
A kind of optional process are as follows: be manually entered in multiple storage spaces 140 by user with the presence or absence of abnormal storage space and which storage
Object space 140 is abnormal storage space.
In some embodiments, in step S104, if judgement there is no abnormal storage space, judges to open in door body
Period, aforesaid plurality of storage space 140 was not put into temperature anomaly article.That is, during enabling, if all infrared
The case where absolute value of the difference that sensor 130 does not occur the adjacent temperature value acquired twice is greater than the first preset value, then judge
There is no abnormal storage spaces, and further judge that aforesaid plurality of storage space 140 is not put into temperature during door body is opened
Exception items.
In step s 106, the process of the first temperature change value of acquisition includes a variety of, and one of preferred mode can join
See step S1061 shown in Fig. 4 to step S1064.
Are there is the adjacent temperature acquired twice in step S1061, the corresponding infrared sensor 130 of recording exceptional storage space
The absolute value of the difference of value is greater than before the first preset value E the first temperature value acquired recently, as abnormal storage space can
Temperature value before temperature anomaly article can be put into, wherein E >=2.E may be, for example, 2,3,4,5 etc..
Step S1062 judges that the adjacent temperature acquired twice is occurring in the corresponding infrared sensor 130 of abnormal storage space
The absolute value of the difference of value be greater than the first preset value after, temperature value that continuous N time acquisition whether occur is all satisfied and adjacent adopts twice
The case where absolute value of the difference of the temperature value of collection is less than the second preset value, if so, thening follow the steps S1063.
Step S1063, the corresponding infrared sensor 130 of recording exceptional storage space are any primary in continuous N time acquisition
The second temperature value of acquisition, as temperature value of the abnormal storage space after it may be put into temperature anomaly article.
Step S1064 calculates the difference of second temperature value and the first temperature value, and as the first temperature change value.
In step S1063, M >=3 and the second preset value are less than or equal to the first preset value.M may be, for example, 3,4,5,6 etc..
The size of second preset value can be obtained according to experiment.For refrigerator, temperature anomaly article is put into a certain storage space 140
Afterwards, the temperature in the exception storage space can first be heated up with rate quickly, be tended towards stability later.When in the exception storage space
Temperature tend towards stability after, the temperature value of corresponding infrared sensor 130 any one acquisition in continuous N time acquisition is full
The absolute value of the difference of the adjacent temperature value acquired twice of foot is less than the second preset value.At this point, any primary in continuous N time acquisition
The temperature value of acquisition can be used as the temperature of the exception storage space after it may be put into temperature anomaly article.Second preset value example
It such as may be configured as 0.5 DEG C or 0.4 DEG C.
In a preferred embodiment, second temperature value is the corresponding infrared sensor 130 of abnormal storage space in continuous N time
The temperature value acquired for the first time or for the last time in acquisition.Therefore, in step S1063, recording exceptional storage space is corresponding
Infrared sensor 130 in continuous N time acquisition for the first time or the temperature value of last time acquisition, as abnormal storage space can
Temperature value after temperature anomaly article can be put into.
In the embodiment show in figure 4, the corresponding infrared sensor 130 of recording exceptional storage space is adjacent twice in appearance
The absolute value of the difference of the temperature value of acquisition is greater than the first temperature value of E acquisition recently before mutation value, empty as abnormal storing
Between temperature value before it may be put into temperature anomaly article；The corresponding infrared sensor of recording exceptional storage space 130 is in continuous N
The second temperature value of any one acquisition in secondary acquisition, as temperature of the abnormal storage space after it may be put into temperature anomaly article
Angle value.Assuming that the corresponding infrared sensor 130 of exception storage space is acquired in the collected temperature value of its n-th and the N-1 times
The absolute value of the difference of the temperature value arrived is greater than mutation value, then it collects the first temperature value at the N-E times, wherein N > E, and E >=
2；Assuming that the corresponding infrared sensor 130 of abnormal storage space collects second temperature value in its Q times collection point, wherein Q > N.
The exception storage space is interpreted as the corresponding infrared biography of abnormal storage space during it may be put into before and after temperature anomaly article
Sensor 130 starts in the first temperature value of acquisition until during acquisition second temperature value terminates, and as each infrared sensor 130 exists
During the N-E times collection point and the Q times collection point.
In step s 106, the process of acquisition second temperature changing value includes a variety of, and one of preferred mode can join
See step S1065 shown in Fig. 5 to step S1067.
Step S1065 determines in remaining infrared sensor 130 to go out in the corresponding infrared sensor 130 of abnormal storage space
To occurring, continuous N time is adjacent to be acquired twice from when the absolute value of the difference of the existing adjacent temperature value acquired twice is greater than the first preset value
Temperature value absolute value of the difference less than the second preset value when, the absolute value of the difference for not occurring the adjacent temperature value acquired twice is big
Normal infrared sensor in the first preset value the case where.That is, temperature anomaly object may be put into abnormal storage space
During the front and back of product, determine whether the temperature collection of other corresponding infrared sensors 130 of storage space 140 mutates, not
The infrared sensor 130 of mutation is denoted as normal infrared sensor.
In a preferred embodiment, the number of infrared sensor 130 is more than or equal to 3, in this way, empty even if there are two storings
Between 140 be put into temperature anomaly article simultaneously the temperature value of corresponding two infrared sensors 130 acquisition caused to mutate, then
During abnormal storage space may be put into before and after temperature anomaly article, can also there be the infrared sensor not mutated
130。
Step S1066 records normal infrared sensor and (occurs in the corresponding infrared sensor 130 of abnormal storage space
To occurring, continuous N is time adjacent to be acquired twice from when the absolute value of the difference of the adjacent temperature value acquired twice is greater than the first preset value
When the absolute value of the difference of temperature value is less than the second preset value, the absolute value of the difference for not occurring the adjacent temperature value acquired twice is greater than
The infrared sensor 130 of the case where first preset value) in abnormal storage space first temperature of the corresponding acquisition of infrared sensor 130
The the first normal temperature value and the second normal temperature value acquired when value and second temperature value.
Step S1067 calculates the difference of the second normal temperature value and the first normal temperature value, and changes as second temperature
Value.
In above-mentioned steps S1065 into step S1067, when the quantity of the normal infrared sensor of determination is one, second
Temperature change value is equal to the difference of the second end temperature value and the first normal temperature value of each normal infrared sensor acquisition.When true
When the quantity of fixed normal infrared sensor is more than two, second temperature changing value can be equal to any one normal infrared sensor and adopt
Second normal temperature value of collection and the difference of the first normal temperature value, the second of preferably equal to all normal infrared sensor acquisitions is just
The average value of the difference of room temperature angle value and the first normal temperature value.In step S1065 into step S1067, by other storage spaces
140 before and after abnormal storage space may be put into temperature anomaly article as between external environment and its carry out heat exchange caused by
Temperature rise is approximately abnormal storage space during this period as carrying out temperature rise caused by heat exchange between external environment and its.
In an alternative embodiment, specific refrigerator can also be obtained by experiment in varying environment temperature and different refrigerator insides
The temperature variation curve measured in the case where temperature, after refrigerator open to infrared sensor 130 before shutdown, and then determine abnormal
Storage space is before and after it may be put into temperature anomaly article as carrying out temperature rise caused by heat exchange between external environment and its.
Step S108 judges whether be put into abnormal storage space according to the first temperature change value and second temperature changing value
The process of temperature anomaly article include it is a variety of, one of preferred mode can be found in step S1081 shown in Fig. 6 to step
S1083。
Step S1081, judges whether the first temperature change value and the difference of second temperature changing value are greater than third preset value,
If so, thening follow the steps S1082；If it is not, thening follow the steps S1083.
Step S1082 judges to be put into temperature anomaly article in abnormal storage space.
Step S1083 judges not being put into temperature anomaly article in abnormal storage space.
In step S1081, third preset value can be more than or equal to the first preset value.The size of third preset value is recognized with refrigerator
The minimum temperature of fixed temperature anomaly article is related.For example, if refrigerator thinks temperature, the article higher than 40 DEG C is that temperature is different
Normal article can then be put into 40 DEG C of article in a certain storage space 140, the size of third preset value is determined by testing.
After step S1082, capable of emitting vision and/or audible signal remind user that it is in corresponding storage space 140
The article temperature being put into is abnormal.Such as specific music or the tinkle of bells or voice can be issued by pronunciation device built-in in refrigerator
Prompt, and/or the display device by being arranged on refrigerator door issue text and remind, and/or by lighting or flashing indicator light
Etc. modes remind user.
After step S1082 or step S1083, multiple infrared sensors 130 can continue collecting temperature value, re-execute
Step S104 to step S108.
In addition, in some embodiments, if during abnormal storage space may be put into before and after temperature anomaly article,
The temperature collection of other corresponding infrared sensors 130 of a certain storage space 140 also mutates, then can store up judging the exception
It whether is put into temperature anomaly article in object space and then judges the corresponding storing of infrared sensor 130 of another mutation
Whether space 140 is put into temperature anomaly article.Judge the corresponding storage space 140 of infrared sensor 130 of another mutation
The method for whether being put into temperature anomaly article can be found in step S106 to step S108.
Fig. 7 is according to an embodiment of the invention for the detailed stream for whether being put into temperature anomaly article in refrigerator to be detected
Cheng Tu.Wherein the quantity of infrared sensor 130 is three, is respectively used to the temperature of three storage spaces 140 of acquisition.
Step S201, judges whether door body opens, if so, executing step S202.
Step S202, after delay N seconds, 3 130 collecting temperature value IR (1) of infrared sensor.N can be 2~3 seconds.
Step S204,3 infrared sensors 130 continue collecting temperature value IR (2).
Step S206,3 infrared sensors 130 continue collecting temperature value IR (n).
Step S208 judges the temperature value of the temperature value IR (n) that any infrared sensor 130 currently acquires and last time acquisition
Whether the absolute value of the difference of IR (n-1) is greater than the first preset value A；If so, regarding as the temperature value of the infrared sensor 130 acquisition
It is mutated, executes step S210；If it is not, the temperature value for regarding as the acquisition of three infrared sensors 130 does not mutate,
Execute step S209.In the present invention, if assert, the temperature value of some infrared sensor 130 acquisition is mutated, and is meaned
The corresponding storage space 140 of infrared sensor 130 be likely to be put into temperature anomaly article, lead to the storage space 140
Temperature be mutated.
Step S209 judges whether door body is in the open state, if so, return step S206, continues to make three infrared biographies
130 collecting temperature value of sensor, and repeat to judge the temperature value IR (n) and last time acquisition that any infrared sensor 130 currently acquires
The absolute value of the difference of temperature value IR (n-1) whether be greater than the first preset value A；If it is not, executing step S211.
Step S211 judges that each storage space 140 is not put into temperature anomaly article.
Step S210 records temperature value IR (n-2) and the acquisition of 3 infrared sensors 130 the n-th -2 times (i.e. E=2) acquisition
Moment t0.The infrared sensor 130 that the temperature value of acquisition mutates is identified as in step S208, and to be designated as first infrared
Sensor, other two infrared sensors 130 are designated as the second infrared sensor and third infrared sensor, then record 3 is red
Outer sensor 130 when temperature value that the first infrared sensor acquires mutates before the temperature value IR (n-2) that acquires twice.It can
The first infrared sensor, the second infrared sensor, the infrared biography of third are respectively indicated with IR1 (n-2), IR2 (n-2), IR3 (n-2)
The temperature value of sensor the n-th -2 times acquisitions.
Step S212,3 infrared sensors 130 continue collecting temperature value IR (n+1).
Step S214 judges that the absolute value of the difference for occurring collection value IR (n) and collection value IR (n-1) in step S208 is big
The infrared sensor 130 (i.e. the first infrared sensor) in the first preset value A the case where the temperature value acquired later whether
The temperature value for continuous N time acquisition occur is all satisfied adjacent absolute value of the difference twice less than the second preset value B, if so, executing step
Rapid S216.
Step S216, the collection value IR (m) of first time that records 3 infrared sensors 130 in continuous N time acquisition and even
T1 at the time of acquisition for the last time in continuous M acquisition；The first infrared sensing can be respectively indicated with IR1 (m), IR2 (m), IR3 (m)
The temperature value that device, the second infrared sensor, third infrared sensor acquire for the first time in aforementioned continuous N time acquisition.
Step S218, judge other two infrared sensors 130 whether do not occur during t0~t1 it is adjacent twice
The absolute value of the difference of collection value is greater than the first preset value A, that is, judges that the second infrared sensor and third infrared sensor exist
Whether the temperature value acquired during t0~t1 does not mutate.If so, regarding as the second infrared sensor and third is infrared
The temperature value that sensor acquires during t0~t1 does not mutate, executes step S220；If it is not, it is infrared to regard as second
There is the temperature value acquired during t0~t1 to mutate in sensor and third infrared sensor, executes step S219.
Those skilled in the art will appreciate that, in the present invention, default is primary only possible while being put into two storage spaces 140
Temperature anomaly article, that is, before the temperature in the storage space 140 that one is put into temperature anomaly article tends to be steady, only may be used
Energy yet another storage space 140 is put into temperature anomaly article, this means that at least one in three infrared sensors 130
The temperature value that infrared sensor 130 acquires during t0~t1 does not mutate.
Step S219, it is assumed that the infrared sensor 130 that the temperature value acquired during t0~t1 does not mutate is second
Infrared sensor.Judge whether IR1 (m)-IR1 (n-2)-(IR2 (m)-IR2 (n-2)) is greater than third preset value C, if so, holding
Row step S222；If it is not, thening follow the steps S224.In step S219, the abnormal storing of the first infrared sensor acquisition is utilized
Temperature of the space when tending towards stability after may being put into temperature anomaly article with before it may be put into temperature anomaly article
The difference of temperature, (i.e. abnormal storage space is before it may be put into temperature anomaly article during this period with the second infrared sensor
May extremely be put into during tending towards stability after temperature anomaly article) temperature rise of the storage space 140 of acquisition is compared, if two
The difference of person is greater than third preset value, thens follow the steps S222, assert in abnormal storage space and is put into temperature anomaly article；If
The difference of the two is less than or equal to third preset value, thens follow the steps S224, and it is different not to be put into temperature in the abnormal storage space of identification
Normal article.
Whether step S220 judges IR1 (m)-IR1 (n-2)-(IR2 (m)-IR2 (n-2)+IR3 (m)-IR3 (n-2))/2
Greater than third preset value C, if so, thening follow the steps S222；If it is not, thening follow the steps S224.It is red second in step S220
In the case that the temperature value that outer sensor and third infrared sensor acquire during t0~t1 does not mutate, first is utilized
Temperature of the abnormal storage space when tending towards stability after may being put into temperature anomaly article of infrared sensor acquisition with can
It can be put into the difference of the temperature before temperature anomaly article, during this period with the second infrared sensor and third infrared sensor
(i.e. abnormal storage space tends towards stability the phase after may being extremely put into temperature anomaly article before it may be put into temperature anomaly article
Between) average temperature rising that acquires other two storage space 140 compares, if the difference of the two is greater than third preset value, execute
Step S222 assert in abnormal storage space and is put into temperature anomaly article；If the difference of the two is less than or equal to third preset value,
S224 is thened follow the steps, assert in abnormal storage space and is not put into temperature anomaly article.
Step S222, there is collection value IR (n) in judgement and the absolute value of the difference of collection value IR (n-1) is greater than the first preset value
The corresponding storage space 140 of infrared sensor 130 (i.e. the first infrared sensor) of A is put into temperature anomaly article.
Step S224, there is collection value IR (n) in judgement and the absolute value of the difference of collection value IR (n-1) is greater than the first preset value
The corresponding storage space 140 of infrared sensor 130 (i.e. the first infrared sensor) of A is not put into temperature anomaly article.
After step S222 and step S224, it can return to and execute step S201.
In some embodiments, after step S222, capable of emitting prompting, such as light the corresponding exception storage space
Indicator light, to remind user to be put into temperature anomaly article in the storage space 140.
In further embodiments, the judging result of step S220 can be sent to the master control borad of refrigerator, participate in refrigerator system
The control of cooling system.For example, then making refrigeration system when judging result is to be put into temperature anomaly article in a certain storage space 140
More cooling capacity are provided to the storage space 140, so that its temperature is reduced to default storage temperature as early as possible.Utilize the present embodiment
The method that temperature anomaly article whether is put into detection refrigerator, can timely and effectively carry out refrigeration control, avoid high temp objects
Influence to storage space 140 around, improves the hoarding effect of cold compartment of refrigerator, reduces the nutrition loss of food, avoids simultaneously
Waste of energy caused by freezing to entire storage room indistinction.
In addition, in some embodiments, it is prominent to judge that the temperature value of third infrared sensor acquisition occurs in step S218
After change, can further judge whether be put into temperature anomaly article in the corresponding storage space 140 of third infrared sensor.Specific stream
Journey can refer to step S210 to step S222 or step S224.
Specifically, the times of collection n of third infrared sensor mutation can be recorded after step S2183, Yi Jisan
A infrared sensor is in n3Temperature value IR1 (the n of -2 acquisitions3-2)、IR2(n3-2)、IR3(n3- 2) and acquisition moment t30, and
The temperature value that continuous N time acquisition occurs in third infrared sensor is all satisfied adjacent absolute value of the difference twice less than the second preset value
When B, the collection value IR (m for first time that records 3 infrared sensors 130 in continuous N time acquisition3) and continuous N time acquisition in
T at the time of last time acquires31；IR1 (m can be used3)、IR2(m3)、IR3(m3) respectively indicate the first infrared sensor, second red
The temperature value that outer sensor, third infrared sensor acquire for the first time in continuous N time acquisition.Later, judge other two it is red
Outer sensor 130 is in t30~t3The absolute value of the difference for whether not occurring adjacent collection value twice during 1 is greater than first and presets
Value A, using the abnormal storage space of third infrared sensor acquisition when tending towards stability after may being put into temperature anomaly article
Temperature and temperature before it may be put into temperature anomaly article difference (IR1 (m3)-IR1(n3- 2)), with do not mutate
The temperature rise of storage space 140 that acquires during this period of infrared sensor 130 be compared, if the difference of the two is greater than third
Preset value is then assert and is put into temperature anomaly article in abnormal storage space；If the difference of the two is less than or equal to third preset value,
Then assert and is not put into temperature anomaly article in abnormal storage space.
In an illustrative specific embodiment, the quantity of infrared sensor 130 is 3, the respectively first infrared biography
Sensor, the second infrared sensor, third infrared sensor acquire the temperature of three storage spaces 140, three storage spaces respectively
140 temperature is set as 5 DEG C.Enabling above-mentioned first preset value is 0.6 DEG C, and the second preset value is 0.4 DEG C, and third preset value is
0.8 DEG C, E=2, M=4.
After enabling, 3 infrared sensors 130 start collecting temperature value after the 2nd second.Wherein, the first infrared sensor the 1st time
The temperature value that the temperature value of acquisition is 5.1 DEG C, the temperature values of the 2nd acquisition are 5.2 DEG C, the 3rd time acquisitions is 5.4 DEG C, the 4th is adopted
The temperature value that the temperature value of collection is 5.6 DEG C, the temperature value of the 5th acquisition is 5.9 DEG C, the 6th time acquisitions is 6.2 DEG C, the 7th time and acquires
Temperature value be 6.9 DEG C, the temperature values that the temperature values of the 8th acquisition are 7.6 DEG C, the 9th time acquisitions are 8.2 DEG C, the 10th acquisition
Temperature value be 8.8 DEG C, the temperature value that the temperature values of the 11st acquisition are 9.3 DEG C, the 12nd time acquisitions is 9.6 DEG C, the 13rd time and adopts
The temperature values that the temperature value of collection is 9.9 DEG C, the temperature values of the 14th acquisition are 10.2 DEG C, the 15th time acquisitions are 10.4 DEG C ....
The temperature value of second infrared sensor the 1st time acquisition is that the temperature value of 5.2 DEG C, the 2nd time acquisitions is 5.3 DEG C, the 3rd time
The temperature value of acquisition is 5.5 DEG C, the temperature value of the 4th acquisition is 5.7 DEG C, the temperature value of the 5th acquisition is 5.9 DEG C, the 6th time and adopts
The temperature value of collection is that the temperature values that 6.2 DEG C, the 7th time temperature values acquired are 6.4 DEG C, the 8th time acquisitions are 6.6 DEG C, the 9th acquisition
Temperature value be 6.8 DEG C, the temperature value that the temperature values of the 10th acquisition are 7.1 DEG C, the 11st time acquisitions is 7.3 DEG C, the 12nd time and adopts
The temperature value of collection is that the temperature value that the temperature value of 7.6 DEG C, the 13rd time acquisitions is 7.9 DEG C, the 14th time acquisitions is 8.2 DEG C, the 15th time
The temperature value of acquisition be 8.4 DEG C ....
The temperature value of third infrared sensor the 1st time acquisition is that the temperature value of 5.1 DEG C, the 2nd time acquisitions is 5.3 DEG C, the 3rd time
The temperature value of acquisition is 5.4 DEG C, the temperature value of the 4th acquisition is 5.6 DEG C, the temperature value of the 5th acquisition is 5.9 DEG C, the 6th time and adopts
The temperature value of collection is that the temperature values that 6.1 DEG C, the 7th time temperature values acquired are 6.4 DEG C, the 8th time acquisitions are 6.6 DEG C, the 9th acquisition
Temperature value be 6.9 DEG C, the temperature value that the temperature values of the 10th acquisition are 7.1 DEG C, the 11st time acquisitions is 7.4 DEG C, the 12nd time and adopts
The temperature value of collection is that the temperature value that the temperature value of 7.7 DEG C, the 13rd time acquisitions is 7.9 DEG C, the 14th time acquisitions is 8.1 DEG C, the 15th time
The temperature value of acquisition be 8.3 DEG C ....
According to above-mentioned collection result, it is known that the first infrared sensor the adjacent temperature acquired twice occurs in the 7th acquisition
The case where absolute value of the difference of angle value is greater than the first preset value (i.e. | 6.9 DEG C -6.2 DEG C | > 0.6 DEG C, H=7), the first infrared sensing
The corresponding storage space 140 of device is abnormal storage space, it is possible to can be put into the storage space 140 of temperature anomaly article.Note
The temperature value of the 5th (7-2 times) acquisition of record is as the first temperature value.First infrared sensor meets phase since the 12nd acquisition
The case where absolute value of the difference for the temperature value that neighbour acquires twice is less than the second preset value (temperature value of the 12nd acquisition and the 11st time
The absolute value of the difference of the temperature value of acquisition is less than 0.4 DEG C, i.e., | and 9.6 DEG C -9.3 DEG C | < 0.4 DEG C), and meet to the 15th acquisition and connect
The case where absolute value of the difference of continuous 4 adjacent temperature values acquired twice is less than the second preset value, then record the first infrared biography
The temperature value of sensor acquisition for the first time (i.e. the 12nd time acquisition) in continuous 4 times acquisitions is as second temperature value.Correspondingly, first
Temperature change value=- 5.9 DEG C=3.7 DEG C of the-the first temperature value=9.6 DEG C of second temperature value.
Second infrared sensor and third infrared sensor do not occur phase during the 7th acquisition is acquired to the 15th time
The absolute value of the difference for the temperature value that neighbour acquires twice is greater than the case where the first preset value.That is, at infrared sensor the 7th time
To during the 15th acquisition, the corresponding storage space of the second infrared sensor and the corresponding storing of third infrared sensor are empty for acquisition
It is interior not to be put into temperature anomaly article.
The second infrared sensor and third infrared sensor are recorded in the 5th and the 12nd temperature value acquired, is made respectively
For the first normal temperature value and the second normal temperature value of the second infrared sensor and third infrared sensor.
Correspondingly, second temperature changing value=((7.6 DEG C -5.9 DEG C)+(7.7 DEG C -5.9 DEG C))/2=1.75 DEG C.First temperature
- 1.75 DEG C of difference=3.7 DEG C=1.95 DEG C of changing value and second temperature changing value are spent, are greater than 0.8 DEG C of third preset value, therefore
Judge to be put into temperature anomaly article in abnormal storage space.
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. it is a kind of for detecting the method for whether being put into temperature anomaly article in refrigerator, wherein the refrigerator includes: internal division
For multiple storage spaces cabinet, the door body of the cabinet front is set and respectively to the temperature of the multiple storage space
Multiple infrared sensors that degree is sensed, and the described method includes:
After door body unlatching, the multiple infrared sensor collecting temperature value is controlled；
Judge in the multiple storage space with the presence or absence of the abnormal storage space that may be put into temperature anomaly article；
If there are the abnormal storage spaces for judgement, the abnormal storage space is obtained before it may be put into temperature anomaly article
Rear the first temperature change value and its before and after it may be put into temperature anomaly article due to carrying out hot friendship between external environment and its
Second temperature changing value caused by changing；And
Judge whether be put into the abnormal storage space according to first temperature change value and the second temperature changing value
Temperature anomaly article.
2. according to the method described in claim 1, wherein judging in the multiple storage space with the presence or absence of the abnormal storing
Space, comprising:
During the door body is opened, if adjacent acquiring twice occurs in any infrared sensor in the multiple infrared sensor
Temperature value absolute value of the difference be greater than the first preset value the case where, then judge that there are the exceptions in the multiple storage space
Storage space, and each absolute value of the difference for the adjacent temperature value acquired twice occur is greater than the infrared biography of first preset value
The corresponding storage space of sensor is the abnormal storage space；
During the door body is opened, if the absolute value of the difference of the adjacent temperature value acquired twice of each infrared sensor is equal
Less than or equal to first preset value, then judge that there is no the abnormal storage spaces in the multiple storage space.
3. according to the method described in claim 2, the step of wherein obtaining first temperature change value includes:
The corresponding infrared sensor of the abnormal storage space is recorded in the absolute of the difference for the adjacent temperature value acquired twice occur
Value is greater than the first temperature value of E acquisition recently before first preset value, may put as the abnormal storage space
Temperature value before entering temperature anomaly article, wherein E >=2；
When the corresponding infrared sensor of the exception storage space is in the absolute value of the difference for the adjacent temperature value acquired twice occur
Greater than after first preset value, temperature value that continuous N time acquisition occur be all satisfied the difference of the adjacent temperature value acquired twice
Absolute value less than the second preset value when, record the corresponding infrared sensor of the abnormal storage space and adopted in the continuous N time
The second temperature value for concentrating any one acquisition, as temperature of the abnormal storage space after it may be put into temperature anomaly article
Angle value, wherein M >=3 and second preset value are less than or equal to first preset value；
The difference of the second temperature value Yu first temperature value is calculated, and as first temperature change value.
4. according to the method described in claim 3, wherein
The corresponding infrared sensor of the abnormal storage space is recorded to adopt for the first time or for the last time in the continuous N time acquisition
The second temperature value of collection, as temperature value of the abnormal storage space after it may be put into temperature anomaly article.
5. according to the method described in claim 3, the step of wherein obtaining the second temperature changing value includes:
It determines in remaining infrared sensor and occurs adjacent acquiring twice in the abnormal storage space corresponding infrared sensor
To the adjacent temperature value acquired twice of the appearance continuous N time from when the absolute value of the difference of temperature value is greater than first preset value
Absolute value of the difference be less than second preset value when, do not occur the adjacent temperature value acquired twice absolute value of the difference be greater than institute
State the normal infrared sensor of the first preset value；And
Record the normal infrared sensor the corresponding infrared sensor of the abnormal storage space acquire the first temperature value and
The the first normal temperature value and the second normal temperature value acquired when second temperature value, calculate the second normal temperature value with it is described
The difference of first normal temperature value, and as the second temperature changing value.
6. according to the method described in claim 5, wherein
When it is more than two for determining the quantity of the normal infrared sensor, the second temperature changing value is equal to all described
The average value of the difference of the second normal temperature value and the first normal temperature value of normal infrared sensor acquisition.
7. according to the method described in claim 2, wherein according to first temperature change value and the second temperature changing value
Judge that the step of whether being put into temperature anomaly article in the abnormal storage space includes:
Judge whether first temperature change value and the difference of the second temperature changing value are greater than third preset value,
If so, judging to be put into temperature anomaly article in the abnormal storage space；
If it is not, then judging not being put into temperature anomaly article in the abnormal storage space；
Wherein the third preset value is more than or equal to first preset value.
8. according to the method described in claim 1, wherein the quantity of the infrared sensor is three or more.
9. according to the method described in claim 1, wherein controlling the multiple infrared sensor collecting temperature value is in the door
It is carried out after body one preset time of unlatching.
10. according to the method described in claim 1, further include:
If judging to be put into temperature anomaly article in the abnormal storage space, issues vision and/or audible signal reminds user；
And/or
If judgement there is no the abnormal storage space, judges that the multiple storage space is not during the door body is opened
It is put into temperature anomaly article.
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| CN201611047449.9A CN106766649B (en) | 2016-11-23 | 2016-11-23 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
| PCT/CN2017/112386 WO2018095334A1 (en) | 2016-11-23 | 2017-11-22 | Method for detecting whether item of abnormal temperature has been placed in refrigerator |
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| CN201611047449.9A CN106766649B (en) | 2016-11-23 | 2016-11-23 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
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| CN106766649B (en) * | 2016-11-23 | 2019-05-31 | 青岛海尔股份有限公司 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
| CN107853541A (en) * | 2017-11-01 | 2018-03-30 | 合肥华凌股份有限公司 | Weight predictor method, defreezing method, device, refrigeration plant and storage medium |
| CN113465263B (en) * | 2020-03-31 | 2022-10-25 | 青岛海尔电冰箱有限公司 | Refrigerating and freezing device and control method thereof |
| CN114543415B (en) * | 2020-11-27 | 2023-09-29 | 青岛海尔电冰箱有限公司 | Control method of refrigerator |
| CN116643951B (en) * | 2023-07-24 | 2023-10-10 | 青岛冠成软件有限公司 | Cold chain logistics transportation big data monitoring and collecting method |
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| JPH11257828A (en) * | 1998-03-11 | 1999-09-24 | Sanyo Electric Co Ltd | Conserver fitted with partial quick temperature-regulating mechanism |
| JP2005328859A (en) * | 2004-05-18 | 2005-12-02 | Sanyo Electric Co Ltd | Temperature management device of cold/hot storage food delivery vehicle |
| JP2014070870A (en) * | 2012-10-02 | 2014-04-21 | Hoshizaki Electric Co Ltd | Refrigerator |
| CN102878773B (en) * | 2012-10-24 | 2014-12-17 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104329863B (en) * | 2014-09-25 | 2017-01-11 | 青岛海尔股份有限公司 | Refrigerator and control method of refrigerator |
| CN104296490B (en) * | 2014-10-09 | 2017-01-11 | 合肥美的电冰箱有限公司 | Refrigerator and control method and system thereof |
| CN105698479A (en) * | 2014-11-27 | 2016-06-22 | 青岛海尔股份有限公司 | Temperature anomaly prompt device and method applied to refrigerator |
| WO2016139241A1 (en) * | 2015-03-04 | 2016-09-09 | Arcelik Anonim Sirketi | A cooling device comprising a thermoelectric module |
| CN104990326B (en) * | 2015-06-26 | 2018-02-02 | 青岛海尔股份有限公司 | Refrigerator and the thermometry based on infrared sensor |
| CN106766649B (en) * | 2016-11-23 | 2019-05-31 | 青岛海尔股份有限公司 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
| CN106766648B (en) * | 2016-11-23 | 2019-02-15 | 青岛海尔股份有限公司 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
| CN106766647B (en) * | 2016-11-23 | 2019-12-06 | 青岛海尔股份有限公司 | Method for detecting whether temperature abnormal article is put in refrigerator |
| CN106766650B (en) * | 2016-11-23 | 2019-05-31 | 青岛海尔股份有限公司 | For detecting the method for whether being put into temperature anomaly article in refrigerator |
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