CN106123470B - The method for detecting the indoor food freshness of refrigerator storing - Google Patents
The method for detecting the indoor food freshness of refrigerator storing Download PDFInfo
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- CN106123470B CN106123470B CN201610443122.7A CN201610443122A CN106123470B CN 106123470 B CN106123470 B CN 106123470B CN 201610443122 A CN201610443122 A CN 201610443122A CN 106123470 B CN106123470 B CN 106123470B
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Classifications
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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
-
- 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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
-
- 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
- F25D2700/02—Sensors detecting door opening
Abstract
The present invention provides a kind of methods of the detection indoor food freshness of refrigerator storing.Wherein, method includes：The odour intensity of the indoor smell of storing of detection refrigerator at predetermined intervals, odour intensity is characterizing influence degree of the indoor smell of storing to smell；Calculate the change rate of odour intensity；Judge whether change rate is greater than or equal to the first preset value；When change rate is greater than or equal to the first preset value, the signal of the output instruction indoor food spoilage of storing.It can be according to characterizing the freshness that the indoor smell of storing judges the change rate of the odour intensity of the influence degree of smell food, user can be made accurately and timely to obtain the freshness of the indoor food of refrigerator storing, the corrupt information of food can be obtained in time, so as to clear up in time refrigerator, the freshness situation of food in refrigerator can be effectively monitored.
Description
Technical field
The present invention relates to refrigerator storing technical fields, more particularly to a kind of indoor food freshness of detection refrigerator storing
Method.
Background technology
Refrigerator, which is to maintain a kind of refrigeration equipment of constant low temperature and one kind, makes food or other foods keep constant low temperature
The product for civilian use of cold conditions, with the development of society, people increasingly be unable to do without refrigerator.However, sometimes user opens refrigerator just
One peculiar smell can be smelt, smells and turns one's stomach.The main reason for generating these peculiar smell may have the following：1) due to refrigeration
The room Partial Food resting period is long or part of the food residue can give off a peculiar smell, this smell can be attached to the liner or rack of refrigerator
And in compartmentalized box for holding assorted fruits and candies；2) some food are mixed puts, and especially some food for being also easy to produce peculiar smell are not packed, and are easy in storage a period of time
After generate peculiar smell；3) refrigerator has some food and is attached on liner in use, if refrigerator deactivate but without clearly wipe or
Door body is not opened, the time, which has been grown, just will produce peculiar smell；4) due to food degenerates in refrigerator and user can not know, when use
This peculiar smell can seal in storage food, cause taint of odour phenomenon.How to detect and judges that there are putrid foods to remove in time in refrigerator
Putrid food or putrid food residue are refrigerator field technical problems urgently to be resolved hurrily.
Invention content
The invention aims to provide a kind of method of the detection indoor food freshness of refrigerator storing, user can be made
The freshness for accurately and timely obtaining the indoor food of refrigerator storing, the corrupt information of food can be obtained in time, from
And refrigerator can be cleared up etc..
Particularly, the present invention provides a kind of methods of the detection indoor food freshness of refrigerator storing comprising：
At predetermined intervals detection refrigerator the indoor smell of storing odour intensity, the odour intensity to
Characterize influence degree of the indoor smell of the storing to smell；
Calculate the change rate of the odour intensity；
Judge whether the change rate is greater than or equal to the first preset value；
When the change rate is greater than or equal to first preset value, output indicates the indoor food spoilage of storing
Signal.
Optionally, the method further includes：Detect the close event of the door body of the refrigerator；
After the door body closes the first preset time, the continuous at least smell of the indoor smell of storing described in secondary detection
Intensity；
Judge whether the difference of odour intensity described in any two is less than or equal to the second preset value, if so, into institute
State the odour intensity of the indoor smell of storing of detection refrigerator at predetermined intervals；If it is not, then in the second preset time
Afterwards, the odour intensity of the indoor smell of storing described in the continuous at least secondary detection is returned.
Optionally, the method further includes：Detect the unlatching event of the door body；After detecting that the door body is opened,
Return to the close event of the door body of the detection refrigerator.
Optionally, the method further includes：It sends and is indicated described in the indoor food spoilage of storing to terminal device
Signal.
Optionally, the method further includes：It is closed when the change rate is less than first preset value, and in the door body
After closing third preset time, judge whether the odour intensity is greater than or equal to default odor threshold, if so, into described defeated
Go out the signal for indicating the indoor food spoilage of the storing.
Optionally, first preset time is 8min to 12min；The time interval is 1.5min to 3min；It is described
Second preset time is 2.5min to 3.5min；The third preset time is 25min to 35min.
Optionally, the odour intensity of the indoor smell of the storing is detected by following steps：
Detect the concentration for the gas that the storing is indoor a variety of or multiclass has an impact user's smell, and detection institute
State the indoor temperature of storing；
Odour intensity initial value is determined according to described a variety of or multiclass gas concentration；
Determine Temperature affection factor corresponding with the temperature；
The product for calculating the odour intensity initial value and the Temperature affection factor, obtains the odour intensity.
Optionally, Temperature affection factor corresponding with the temperature is determined by following steps：
Determine the preset temperature section residing for the temperature, each preset temperature section is correspondingly arranged on temperature influence
Coefficient.
Optionally, the odour intensity initial value is determined by following steps：It determines each or is being detected per class gas
Gases affect value under concentration, to obtain multiple gases affect values；It is calculated according to each or the default weight coefficient per class gas
The weighted sum of the multiple gases affect value, the weighted sum are the odour intensity initial value；Or
Detect that the storing is indoor a variety of or the concentration of multiclass gas obtains multiple concentration values；And it is true by following steps
The fixed odour intensity initial value：Adding for the multiple concentration value is calculated according to the default weight coefficient of gas described in each or every class
Quan He, the weighted sum are the odour intensity initial value.
Optionally, each or every gases affect value of the class gas under the concentration detected are determined by following steps：
Concentration from each or per class gas, which is preset with gases affect value in corresponding table, searches the gases affect value；Or
Judge whether the concentration of the gas or such gas is less than the first the default density；If so, the gases affect
Value is equal to zero；If it is not, then judging whether the concentration of the gas or such gas is less than the second the default density；If so, described
Gases affect value is equal to the gas or the concentration of such gas；If it is not, then the gases affect value is equal to described second in advance
If concentration value；And second the default density is more than first the default density.
Optionally, the multiclass gas include alkanes gas, olefines gas, methyl mercaptan class gas, vinyl gas,
At least two classes in acids gas and amine gas.
The method of the detection indoor food freshness of refrigerator storing of the present invention, characterizing between the storing because according to
Indoor smell judges the change rate of the odour intensity of the influence degree of smell the freshness of food, and user can be made accurate
The freshness for really obtaining the indoor food of refrigerator storing in time, the corrupt information of food can be obtained in time, to
Refrigerator can be cleared up in time, can effectively monitor the freshness situation of food in refrigerator.
Further, because the method for the detection indoor food freshness of refrigerator storing can integrate indoor more of storing
Kind of gas with foreign flavor obtains an intuitive numerical value, i.e., characterizing gas of the indoor smell of the storing to the influence degree of smell
Taste intensity initial value, and odour intensity initial value is modified according to temperature, odour intensity is obtained, reduces temperature as much as possible to gas
The influence of taste, therefore the indoor food spoilage situation of storing can be directly judged according to the change rate of odour intensity, to basis
Odour intensity can correctly handle the indoor food that addles of storing in time.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component 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 of the method for the detection indoor food freshness of refrigerator storing according to an embodiment of the invention
Flow chart；
Fig. 2 is the schematic of the method for the detection indoor food freshness of refrigerator storing according to an embodiment of the invention
Flow chart；
Fig. 3 is the storage that the refrigerator is detected in the method for detected shown in Fig. 1 or Fig. 2 the indoor food freshness of refrigerator storing
The schematic flow chart of the odour intensity of the indoor smell of object.
Specific implementation mode
Fig. 1 is the method for the detection indoor food freshness of refrigerator storing of refrigerator according to an embodiment of the invention
Schematic flow chart.As shown in Figure 1, an embodiment of the present invention provides a kind of detection indoor food freshness of refrigerator storing
Method, refrigerator is interior to have storing compartment.The storing compartment is preferably refrigerating chamber, and temperature-control range is generally at -5 DEG C to 7 DEG C.Certainly
The storing compartment is alternatively the freezing chamber or temperature-changing chamber of refrigerator.The method of the detection indoor food freshness of refrigerator storing may include
Following steps：
S100：The odour intensity of the indoor smell of storing of detection refrigerator, odour intensity are used at predetermined intervals
To characterize influence degree of the indoor smell of storing to smell.Time interval is 1.5min to 3min, preferably 2min.
S200：Calculate the change rate of odour intensity.
S300：Judge whether change rate is greater than or equal to the first preset value.
S400：When change rate is greater than or equal to the first preset value, illustrating that storing is indoor may have food to degenerate, then defeated
Go out to indicate the signal of the indoor food spoilage of storing.
Inventor, which creatively proposes, intuitively reacts storing compartment smell using odour intensity to smell influence degree,
And the freshness of food is judged using the change rate of odour intensity, between user can be made accurately and timely to obtain refrigerator storing
The freshness of indoor food, the corrupt information of food can be obtained in time, so as to clear up in time refrigerator
Deng.
Further, in some embodiments of the invention, as shown in Fig. 2, the detection indoor food of refrigerator storing is fresh
The method of degree may also include：
Detect the close event of the door body of refrigerator.
After door body closes the first preset time, the continuous at least odour intensity of the indoor smell of secondary detection storing, with
Judge whether the indoor smell of storing is stablized.First preset time is 8min to 12min, preferably 10min.It is excellent to detect frequency
It is selected as 2s/ times, preferably continuous detection is three times.
Judge whether the difference of any two odour intensity is less than or equal to the second preset value, if so, showing that refrigerator stores up
The indoor smell of object is stablized relatively, enters air in refrigerator between extraneous or shutdown and is newly put into influence of the food to smell
Degree weakens, then enters the odour intensity of the indoor smell of storing of detection refrigerator at predetermined intervals.Continuously at least
When detecting twice, for the first time detection obtain odour intensity can be used as at predetermined intervals detection refrigerator storing it is indoor
First numerical value of the odour intensity of smell.Or by the geometric average of at least two numerical value continuously detected at least twice
It is worth first numerical value as the odour intensity of the indoor smell of storing of detection refrigerator at predetermined intervals.
If it is not, then after the second preset time, the odour intensity of the continuous at least indoor smell of secondary detection storing is returned.
Second preset time is 2.5min to 3.5min, preferably 3min.
Further, in the method, further include：Detect the unlatching event of door body；After detecting that door body is opened, return
Detect the close event of the door body of refrigerator.After refrigerator doors unlatching, since outside air enters, while user may be put into or take
Go out food, it is therefore desirable to re-start detection.
In order to issue the user with prompting in time, this method further includes sending to indicate that storing is indoor to terminal device
The signal of food spoilage.By the wireless transmitter module of refrigerator prompt can be sent out to terminal device.Terminal device can be mobile phone, put down
Plate computer etc..In some alternate embodiments, also can the alarms such as acousto-optic singly or simultaneously be sent out by the alarm system of refrigerator
Signal.
In some embodiments of the invention, as shown in Fig. 2, detecting the method for the indoor food freshness of refrigerator storing also
Including：When change rate is less than the first preset value, and after door body closes third preset time, judge whether odour intensity is more than
Or equal to default odor threshold, if so, entering the signal of the output instruction indoor food spoilage of storing.Third preset time is
25min to 35min, preferably 30min.After refrigerator door is closed 30 minutes, odour intensity still exists always in refrigerator
When rising and reaching certain value, can remind has bad food either odorous big food in user's refrigerator, to remind
User is handled as early as possible.
In some embodiments of the invention, as shown in figure 3, the indoor food of detection refrigerator storing in the embodiment is new
In the method for freshness, the odour intensity of the indoor smell of storing of refrigerator can be detected by following steps.Specifically, refrigerator is detected
The odour intensity of the indoor smell of storing may include following steps：
S110：The concentration of the detection gas that storing is indoor a variety of or multiclass has an impact user's smell, and detection
The indoor temperature of storing.
S120：Odour intensity initial value is determined according to a variety of or multiclass gas concentration.
S130：Determine Temperature affection factor corresponding with temperature.
S140：The product for calculating odour intensity initial value and Temperature affection factor, obtains odour intensity.
The indoor a variety of gas with foreign flavor of the creatively comprehensive storing of inventor obtain an intuitive numerical value, i.e. smell is strong
Initial value is spent, and odour intensity initial value is modified according to temperature, obtains odour intensity, reduces temperature as much as possible to smell
It influences, the indoor food spoilage degree of storing and peculiar smell can be directly judged according to the change rate and/or size of odour intensity
Situation.
In some embodiments of the invention, multiclass gas includes alkanes gas, olefines gas, methyl mercaptan class gas
At least two classes in body, vinyl gas, acids gas and amine gas.The gas that the indoor food materials of storing itself evaporate
Body ingredient is mainly sulfide, such as methyl mercaptan class gas, vinyl gas, acids gas and amine gas.Preferably, multiclass
Gas need to include methyl mercaptan class gas, vinyl gas, acids gas and amine gas etc..Further, inventor has found, ice
Case itself can also volatilize some gases being had an impact to user's smell, such as alkanes gas and olefines gas, therefore
Multiclass gas also needs to include alkanes gas and olefines gas etc., completely to embody influence of the indoor smell of storing to smell
Degree, or perhaps the complete degree for embodying peculiar smell in refrigerator, prevent the gas that refrigerator itself distributes to article (especially food)
Taint of odour influence.
In some embodiments of the invention, Temperature affection factor corresponding with temperature can be determined by following steps：Really
Preset temperature section residing for constant temperature degree, each preset temperature section are correspondingly arranged on Temperature affection factor.For example, when default temperature
When degree section is -5 DEG C~7 DEG C, Temperature affection factor is 0.8 to 1.2, preferably 1. when preset temperature section is less than -5 DEG C
When, Temperature affection factor is 0.4 to 0.6, preferably 0.5.When preset temperature section is more than 7 DEG C, Temperature affection factor is
1.8 to 2.2, preferably 2.It in some alternative embodiments of the invention, also can be according to relationship between the temperature and smell of setting
Formula temperature influences coefficient.It, also can be from temperature and Temperature affection factor in other alternate embodiments of the present invention
Temperature affection factor is searched in default corresponding table.
In some embodiments of the invention, odour intensity initial value can be determined by following steps：Determine each or per class
Gases affect value of the gas under the concentration detected, to obtain multiple gases affect values.Due to each or per class gas not
Influence under same concentration to smell is different, inventors herein proposes gases affect value, to determine under various concentration, gas is to smelling
The influence degree of feel.
The weighted sum of multiple gases affect values is calculated according to each or per the default weight coefficient of class gas, weighted sum is gas
Taste intensity initial value.In a variety of or multiclass gas, due to each or per class gas phase for a variety of or multiclass gas, to smelling
The influence of feel is different, inventors herein proposes use with each or per the corresponding weight coefficient of class gas, come determine each or it is every
Class gas is to the influence degree of human body smell, so as to synthetically, accurately and very practicably obtain characterizing between storing
Odour intensity initial value of the indoor climate to the influence degree of smell.Each or the weight coefficient per class gas can pass through largely in fact
It tests searching rule to obtain, can also be obtained by other means certainly, if weight coefficient can be empirical value.
Specifically, in some embodiments, it can determine that each or every class gas are dense what is detected by following steps
Gases affect value under degree：Concentration from each or per class gas, which is preset with gases affect value in corresponding table, searches gases affect
Value.In other embodiments, each can be determined by following steps or per gas of the class gas under the concentration detected
Influence value：Determine the preset concentration section residing for each or the often concentration of class gas；It is corresponding default according to preset concentration section
Gases affect value is calculated in calculation formula.
Particularly, in other preferred embodiment, each can be determined by following steps or is being examined per class gas
Gases affect value under the concentration measured：Judge whether the concentration of the gas or such gas is less than the first the default density；If
It is that then gases affect value is equal to zero；If it is not, then judging whether the concentration of the gas or such gas is less than the second preset concentration
Value；If so, gases affect value is equal to the gas or the concentration of such gas；If it is not, then gases affect value is default equal to second
Concentration value.Second the default density is more than the first the default density.In this embodiment, for a kind of gas, due to
The concentration of the gas is smaller, and the influence to smell can be ignored；Or due to the concentration of the gas it is bigger in the case of,
Influence to smell will not generate the influence of bigger with becoming larger again for concentration, and setting in this way can further optimize to obtain
Odour intensity initial value.In this embodiment, for gas with various or inhomogeneity gas, respective first preset concentration
Value and the second the default density are separately provided.
In some embodiments of the invention, such as it is indoor in the storing of a refrigerator, according to the dense of alkanes gas
It can be A to spend determining gases affect value, and default weight coefficient can be X1；The gases affect determined according to the concentration of olefines gas
Value can be B, and default weight coefficient can be X2；The gases affect value determined according to the concentration of methyl mercaptan class gas can be the default power of C
Weight coefficient can be X3；The gases affect value determined according to the concentration of vinyl gas can be D, and default weight coefficient can be X4；According to
The gases affect value that the concentration of acids gas determines can be E, and default weight coefficient can be X5；It is determined according to the concentration of amine gas
Gases affect value can be F, default weight coefficient can be X6.The then odour intensity initial value Q of the storing compartment of the refrigeratorJustIt can
For：QJust=X1A+X2B+X3C+X4D+X5E+X6F.Further, the temperature detected can be 3 DEG C, then Temperature affection factor can be
1, then the odour intensity Q=Q of the storing compartment of the refrigeratorJust。
In some embodiments of the invention, the default weight coefficient of alkanes gas can be 0.045 to 0.055, preferably
It is 0.05；And for alkanes gas, the first the default density is 10 to 15, may be, for example, 10, the second the default density
It can be 45 to 50, may be, for example, 50.The default weight coefficient of olefines gas can be 0.045 to 0.055, preferably 0.05；And
For olefines gas, the first the default density is 15 to 20, may be, for example, 15, the second the default density can be 40 to
45, it may be, for example, 45.The default weight coefficient of methyl mercaptan class gas can be 0.18 to 0.22, preferably 0.2；And for methyl mercaptan
For class gas, the first the default density is 15 to 20, may be, for example, 15, the second the default density can be 40 to 45, such as can
It is 45.The default weight coefficient of vinyl gas can be 0.18 to 0.22, preferably 0.2；And for vinyl gas, the
One the default density is 15 to 20, may be, for example, 15, the second the default density can be 40 to 45, may be, for example, 45.Acids gas
Default weight coefficient can be 0.23 to 0.27, preferably 0.25；And for acids gas, the first the default density is 5
To 10,5 are may be, for example, the second the default density can be 15 to 20, may be, for example, 20.The default weight coefficient of amine gas can be
0.33 to 0.37, preferably 0.35；And for amine gas, the first the default density is 0 to 5, may be, for example, 1, second
The default density can be 15 to 18, may be, for example, 18.
Such as：When the food materials stored in refrigerator are pork, the gas main component of pork volatilization is with amine and acids
Based on, so multiclass gas may include alkanes gas, olefines gas, amine gas and acids gas.During storage
The a certain moment, the gases affect value determined according to detection to concentration value can distinguish 10,10,10 and 14, and weight coefficient can divide
It Wei 0.05,0.05,0.35 and 0.25.Then odour intensity initial value QJustCan be：QJust=0.05*10+0.05*10+0.35*10+
0.25*14=8.0.The indoor temperature of the storing that detects is -5 DEG C, then Q=1QJust=8.0.In prefixed time interval 2min
Afterwards, 10,10,13 and 18 can be distinguished according to the gases affect value of detection determined to concentration value, then odour intensity initial value QJustCan be：
QJust=0.05*10+0.05*10+0.35*13+0.25*18=10.05, at this point, the indoor temperature of the storing detected is -5
DEG C, then Q=1QJust=10.05；Then show that the indoor peculiar smell intensity enhancing of the storing, the indoor smell of the storing become
The change rate of difference, odour intensity can be 2.05/2=1.025, be more than the first preset value 1, show that pork degenerates, then exportable
The information of pork corruption.
In other embodiments of the present invention, detection can be obtained more when storing is indoor a variety of or the concentration of multiclass gas
A concentration value；And odour intensity initial value can be determined by following steps：Default weight coefficient meter according to each or per class gas
The weighted sum of multiple concentration values is calculated, weighted sum is odour intensity initial value.Do not consider same gas different in this embodiment
It is easy to control to the influence of smell under concentration.
In some embodiments of the invention, the indoor smell of storing of refrigerator is detected using odour intensity detection device
Odour intensity.Odour intensity detection device may include that concentration detection module, temperature detecting module, odour intensity initial value determine mould
Block, Temperature affection factor determining module, computing module and output module.
Concentration detection module can be configured to detect the gas that storing is indoor a variety of or multiclass has an impact user's smell
Concentration.Concentration detection module can have there are one detection probe, and be configured with indoor a variety of of its interior substance and storing
Or multiclass gas reacts and generates electric signal, a variety of or multiclass gas concentration is calculated.Setting can make storing in this way
Indoor smell is simple on the structure for the detection device that smell influences, small, is not take up too big storing compartment space.
Temperature detecting module can be configured to detect the indoor temperature of storing.
Odour intensity initial value determining module can be configured to determine odour intensity initial value according to a variety of or multiclass gas concentration,
Odour intensity initial value is characterizing the indoor smell of storing to smell influence degree.
Temperature affection factor determining module can be configured to determine Temperature affection factor corresponding with temperature；With
Computing module can be configured to calculate the product of odour intensity initial value and Temperature affection factor, obtain odour intensity.
Output module can be configured to export odour intensity.Output module can be electrically connected with the controller of refrigerator, will be obtained
Odour intensity be fed directly to refrigerator controller.
In some embodiments of the invention, odour intensity initial value determining module may include gases affect value determination sub-module
With the first computational submodule.Gases affect value determination sub-module can be configured to determine the gas according to each or per the concentration of class gas
The gases affect value of body or such gas under the concentration, to obtain multiple gases affect values.First computational submodule is configurable
At：The weighted sum of multiple gases affect values is calculated according to each or per the default weight coefficient of class gas, weighted sum is that smell is strong
Spend initial value.
Further, in some embodiments, gases affect value determination sub-module can be searching module, be configured to from every
The concentration and gases affect value of kind or every class gas, which are preset, searches gases affect value in corresponding table.In other implementations of the present invention
In example, gases affect value determination sub-module includes concentration ranges determining module and gas influence value computing module, and concentration ranges are true
Cover half block is configured to determine the preset concentration section residing for each or the often concentration of class gas.Gases affect value computing module configures
At according to the corresponding default calculation formula in preset concentration section, gases affect value is calculated.Default calculation formula is gas shadow
Ring the relational expression between value and gas concentration.Particularly, gases affect value determination sub-module includes sentencing in yet other embodiments,
Disconnected module, be configured to judge each or the concentration per class gas and corresponding first the default density, the second the default density it
Between magnitude relationship, to determine gases affect value.
In other embodiments of the present invention, odour intensity initial value determining module can be the second computational submodule.Concentration
Multiple concentration values can be obtained in detection module.Second computational submodule can be configured to the default weight system according to each or per class gas
Number calculates the weighted sum of multiple concentration values, and weighted sum is odour intensity initial value.
Odour intensity detection device may be disposed at that storing is indoor, as storing compartment roof on.Further, air-cooled
In refrigerator, in order to make the more accurate of Concentration Testing, odour intensity detection device is set on the side wall of storing compartment or return air
Mouthful at or close on return air inlet setting.In direct cooling refrigerator, odour intensity detection device is set on the side wall of storing compartment.It is storing up
On the side wall of object compartment or at return air inlet or return air inlet nearby detects the gas that a variety of or multiclass has an impact user's smell
Concentration, test position selection is reasonable, testing result can be made accurate, temperature intensity is sensitiveer when changing.
In some alternative embodiments of the invention, it is direct that concentration detection apparatus, temperature-detecting device can be used directly
It is electrically connected with the controller of refrigerator.Using concentration detection apparatus detection, storing is indoor a variety of or multiclass generates shadow to user's smell
The concentration of loud gas, be set on the side wall of storing compartment, at return air inlet or close on return air inlet setting.Temperature-detecting device is used
In the indoor temperature of detection storing.
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 derive 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 other all these variations or modifications.
Claims (9)
1. a kind of method of the detection indoor food freshness of refrigerator storing, including：
The odour intensity of the indoor smell of storing of detection refrigerator at predetermined intervals, the odour intensity is characterizing
Influence degree of the indoor smell of the storing to smell；
Calculate the change rate of the odour intensity；
Judge whether the change rate is greater than or equal to the first preset value；
When the change rate is greater than or equal to first preset value, output indicates the letter of the indoor food spoilage of storing
Number；And
It is described detection the indoor food freshness of refrigerator storing method further include：
Detect the close event of the door body of the refrigerator；
After the door body closes the first preset time, continuously the smell of at least indoor smell of storing described in secondary detection is strong
Degree；
Judge whether the difference of odour intensity described in any two is less than or equal to the second preset value, if so, being pressed described in
According to the odour intensity of the indoor smell of storing of scheduled interval detection refrigerator；If it is not, then being returned after the second preset time
Return the odour intensity of the indoor smell of storing described in the continuous at least secondary detection.
2. according to the method described in claim 1, further including：
Detect the unlatching event of the door body；
After detecting that the door body is opened, the close event of the door body of the detection refrigerator is returned.
3. according to the method described in claim 1, further including：
The signal for indicating the indoor food spoilage of storing is sent to terminal device.
4. according to the method described in claim 1, further including：
When the change rate is less than first preset value, and after the door body closes third preset time, described in judgement
Whether odour intensity is greater than or equal to default odor threshold, if so, indicating the indoor food of storing into the output
The signal to addle.
5. according to the method described in claim 4, wherein
First preset time is 8min to 12min；
The time interval is 1.5min to 3min；
Second preset time is 2.5min to 3.5min；
The third preset time is 25min to 35min.
6. according to the method described in claim 1, wherein, the smell that the indoor smell of the storing is detected by following steps is strong
Degree：
Detect the concentration for the gas that the storing is indoor a variety of or multiclass has an impact user's smell, and the detection storage
The indoor temperature of object；
Odour intensity initial value is determined according to described a variety of or multiclass gas concentration；
Determine Temperature affection factor corresponding with the temperature；
The product for calculating the odour intensity initial value and the Temperature affection factor, obtains the odour intensity.
7. according to the method described in claim 6, wherein, determining that temperature corresponding with the temperature influences system by following steps
Number：
Determine the preset temperature section residing for the temperature, each preset temperature section, which is correspondingly arranged on temperature, influences system
Number.
8. according to the method described in claim 7, wherein,
The odour intensity initial value is determined by following steps：Determine each or per gas of the class gas under the concentration detected
Influence value, to obtain multiple gases affect values；The multiple gas is calculated according to each or the default weight coefficient per class gas
The weighted sum of influence value, the weighted sum are the odour intensity initial value；Or
Detect that the storing is indoor a variety of or the concentration of multiclass gas obtains multiple concentration values；And determine institute by following steps
State odour intensity initial value：The weighting of the multiple concentration value is calculated according to the default weight coefficient of gas described in each or every class
It is the odour intensity initial value with, the weighted sum.
9. according to the method described in claim 8, wherein, determining that each or every class gas are dense what is detected by following steps
Gases affect value under degree：
Concentration from each or per class gas, which is preset with gases affect value in corresponding table, searches the gases affect value；Or
Judge whether the concentration of the gas or such gas is less than the first the default density；If so, described gases affect value etc.
In zero；If it is not, then judging whether the concentration of the gas or such gas is less than the second the default density；If so, the gas
Influence value is equal to the gas or the concentration of such gas；If it is not, then the gases affect value is default equal to described second dense
Angle value；And second the default density is more than first the default density.
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| CN106766662B (en) * | 2017-01-19 | 2019-12-27 | Tcl家用电器（合肥）有限公司 | Method and system for monitoring and managing food materials in refrigerator |
| CN108645984B (en) * | 2018-05-23 | 2021-01-08 | 浙江农林大学 | System and method for dynamically detecting quality of food materials in refrigerator |
| CN108775767B (en) * | 2018-07-24 | 2024-01-09 | 中铁第四勘察设计院集团有限公司 | Gas monitoring and cleaning system and method for refrigeration house |
| CN111964325A (en) * | 2019-05-20 | 2020-11-20 | 博西华电器（江苏）有限公司 | Refrigerator odor removal control method and system, refrigerator and computer storage medium |
| CN110671883B (en) * | 2019-09-16 | 2020-12-15 | 珠海格力电器股份有限公司 | Control method and system for automatically determining food material fresh-keeping time limit of refrigerator and refrigerator |
| CN110671881A (en) * | 2019-09-16 | 2020-01-10 | 珠海格力电器股份有限公司 | Refrigerator fresh-keeping control method and system |
| CN113491479B (en) * | 2020-03-20 | 2022-06-28 | 俞海燕 | Cleaning device with smell detects |
| CN113639518A (en) * | 2020-05-11 | 2021-11-12 | 青岛海尔智能技术研发有限公司 | Method, system, server and readable storage medium for supervising food materials in refrigerator |
| CN112413991A (en) * | 2020-12-04 | 2021-02-26 | 武汉碗上好科技有限公司 | Refrigerator food storage temperature control method and refrigerator |
| CN112413992B (en) * | 2020-12-04 | 2022-05-17 | 浙江华美冷链科技有限公司 | Food unfreezing control method and refrigerator using same |
| CN114831491A (en) * | 2021-01-31 | 2022-08-02 | 云米互联科技(广东)有限公司 | Method for obtaining food preservation curve and cooking appliance |
| US11965691B2 (en) * | 2022-01-06 | 2024-04-23 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with smart drawers |
| CN114739109B (en) * | 2022-04-27 | 2023-05-23 | 长虹美菱股份有限公司 | Fresh-keeping refrigerator control method |
| CN114992970B (en) * | 2022-04-29 | 2023-09-19 | 青岛海尔科技有限公司 | Method and device for sending cleaning instruction, storage medium and electronic device |
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Effective date of registration: 20190415 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Patentee after: Qingdao Haier Special Refrigerator Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Patentee before: Qingdao Hair Co., Ltd. |