CN109975488A - A kind of olfactory signal modification method, storage medium and the refrigerator of smell sensor - Google Patents
A kind of olfactory signal modification method, storage medium and the refrigerator of smell sensor Download PDFInfo
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- CN109975488A CN109975488A CN201910267893.9A CN201910267893A CN109975488A CN 109975488 A CN109975488 A CN 109975488A CN 201910267893 A CN201910267893 A CN 201910267893A CN 109975488 A CN109975488 A CN 109975488A
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- humidity
- temperature
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- olfactory signal
- refrigerator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
Abstract
The invention discloses olfactory signal modification method, storage medium and the refrigerators of a kind of smell sensor, wherein, the method includes the steps: temperature and humidity and olfactory signal in refrigerator are obtained by temperature sensor, humidity sensor and smell sensor in real time, and temperature change value and humidity changing value in the unit of account time；If the temperature change value in the refrigerator unit time is greater than preset first temperature change threshold value and is less than second temperature change threshold, and/or the humidity changing value in the refrigerator unit time greater than the first humidity change threshold and less than the second humidity change threshold, then the olfactory signal obtained to smell sensor compensates processing and exports.The present invention is analyzed and processed olfactory signal, temperature, humidity, disturbing factor can be eliminated, influence factor is compensated, the olfactory signal for exporting smell sensor avoids error signal caused by by the interference such as epidemic disaster fluctuation and user's enabling, provides more accurate olfactory signal for user.
Description
Technical field
The present invention relates to the olfactory signal modification method of sensor detection field more particularly to a kind of smell sensor, deposit
Storage media and refrigerator.
Background technique
Food quality monitors an emerging technology as refrigerator field, either still promotes user in intelligent product
It is all very promising in experience.The prior art generallys use smell sensor and is monitored to the food quality in refrigerator.
Temperature and humidity in refrigerator can be fluctuated with the start-stop of compressor and the start-stop of blower, and user open refrigerator doors or
Cataclysm can occur for temperature humidity when picking and placing food；And current smell sensor, it is rapid compared with vulnerable to temperature and humidity fluctuation and temperature and humidity
The influence of change leads to the output of error signal.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of olfactory signals of smell sensor to repair
Correction method, storage medium and refrigerator, it is intended to solve shadow of the existing smell sensor vulnerable to temperature and humidity fluctuation and temperature and humidity cataclysm
The problem of ringing, error signal caused to export.
A kind of olfactory signal modification method of smell sensor, wherein comprising steps of
Obtain the temperature and humidity and smell in refrigerator in real time by temperature sensor, humidity sensor and smell sensor
Signal, and temperature change value and humidity changing value in the unit of account time；
If the temperature change value in the refrigerator unit time is greater than preset first temperature change threshold value and is less than second temperature
Change threshold and/or the humidity changing value in the refrigerator unit time are greater than the first humidity change threshold and become less than the second humidity
Change threshold value, then the olfactory signal obtained to smell sensor compensates processing and exports.
The olfactory signal modification method of the smell sensor, wherein if the temperature change in the refrigerator unit time
Value is greater than second temperature change threshold and/or the humidity changing value in the refrigerator unit time is greater than the second humidity and changes threshold
Value then carries out shielding processing to the olfactory signal that smell sensor obtains.
The olfactory signal modification method of the smell sensor, wherein if the temperature change in the refrigerator unit time
Value is greater than preset first temperature change threshold value and is less than second temperature change threshold and/or the humidity in the refrigerator unit time
Changing value is greater than the first humidity change threshold and less than the second humidity change threshold, then the olfactory signal obtained to smell sensor
It carries out being averaged processing and export.
The olfactory signal modification method of the smell sensor, wherein it is described by temperature sensor, humidity sensor with
And smell sensor obtains temperature and humidity and olfactory signal in refrigerator, and the temperature change in the unit of account time in real time
Before the step of value and humidity changing value further include:
It is constant to control humidity in refrigerator, temperature change obtains in the olfactory signal unit time of smell sensor detection with temperature
The size of variation；
Temperature-resistant in refrigerator, humidity variation is controlled, the olfactory signal unit time for obtaining smell sensor detection is interior with humidity
The size of variation.
The smell modification method of the smell sensor, wherein the olfactory signal obtained to smell sensor carries out
The step of shielding processing includes:
Determined according to the transformation period of temperature and/or humidity the olfactory signal progress shielding processing that smell sensor is obtained when
Between.
The olfactory signal modification method of the smell sensor, wherein the first temperature change threshold value be 0.1 DEG C/
Min, the second temperature change threshold are 0.5 DEG C/min.
The olfactory signal modification method of the smell sensor, wherein the first humidity change threshold is 1%RH/min,
The second humidity change threshold is 10% RH/min.
A kind of storage medium, wherein be stored with a plurality of instruction, described instruction is suitable for being loaded by processor and executing the present invention
The step of olfactory signal modification method of smell sensor.
A kind of refrigerator, wherein including temperature sensor, humidity sensor, smell sensor and processor, the temperature
Sensor, humidity sensor and smell sensor are electrically connected with the processor, and the processor is adapted for carrying out each instruction；
And storage equipment, it is suitable for storing a plurality of instruction, described instruction is suitable for being loaded by processor and executing smell sensor of the present invention
Olfactory signal modification method the step of.
The utility model has the advantages that the present invention provides a kind of olfactory signal modification method of smell sensor, by temperature sensor, wet
Degree sensor and smell sensor obtain temperature and humidity and olfactory signal in refrigerator in real time, and in the unit of account time
Temperature change value and humidity changing value；If the temperature change value in the refrigerator unit time is greater than preset first temperature
Change threshold and it is less than second temperature change threshold and/or humidity changing value in the refrigerator unit time is greater than the change of the first humidity
Change threshold value and less than the second humidity change threshold, then the olfactory signal obtained to smell sensor compensates processing and exports.
The present invention is analyzed and processed olfactory signal, temperature, humidity, can eliminate disturbing factor, compensates influence factor, makes odor sensing
The olfactory signal of device output, which is avoided, is interfered caused error signal by epidemic disaster fluctuation and user's enabling etc., is provided for user
More accurate olfactory signal.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the olfactory signal modification method preferred embodiment of smell sensor of the present invention.
Fig. 2 is that the temperature during non-enabling in refrigerator changes over time schematic diagram.
Fig. 3 is the relation schematic diagram of olfactory signal and humidity variation.
Fig. 4 is the structural schematic diagram of refrigerator of the present invention.
Specific embodiment
The present invention provides olfactory signal modification method, storage medium and the refrigerator of a kind of smell sensor, to make the present invention
Purpose, technical solution and effect it is clearer, clear, the present invention is described in more detail below.It should be appreciated that this place
The specific embodiment of description is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is a kind of olfactory signal modification method preferred embodiment of smell sensor provided by the invention
Flow chart, wherein comprising steps of
S10, obtained in real time by temperature sensor, humidity sensor and smell sensor temperature and humidity in refrigerator and
Olfactory signal, and temperature change value and humidity changing value in the unit of account time；
If S20, the temperature change value in the refrigerator unit time are greater than preset first temperature change threshold value and less than second
Temperature change threshold value and/or humidity changing value in the refrigerator unit time are greater than the first humidity change threshold and wet less than second
Change threshold is spent, then the olfactory signal obtained to smell sensor compensates processing and exports.
The present invention can eliminate disturbing factor by being analyzed and processed to olfactory signal, temperature, humidity, compensation influence because
Element, the olfactory signal for exporting smell sensor avoid mistake letter caused by by the interference such as epidemic disaster fluctuation and user's enabling
Number, more accurate olfactory signal can be provided for user, to provide more accurate food quality prompting function.
In some embodiments, when the temperature change value in the refrigerator unit time is greater than preset first temperature change threshold
It is worth and is less than second temperature change threshold and/or the humidity changing value in the refrigerator unit time is greater than the first humidity change threshold
And when less than the second humidity change threshold, then the temperature data or humidity data that temperature or humidity sensor monitors do not occur suddenly
Become, determine temperature or humidity because of temperature, moisture fluctuation caused by freezer compressor start-stop and blower start-stop, and then caused smell
The fluctuation of signal can carry out real-time compensation to olfactory signal at this time, to provide the user with more accurate olfactory signal.
In the present embodiment, the second temperature change threshold is greater than the first temperature change threshold value, the second humidity variation
Threshold value is greater than the first humidity change threshold.Preferably, the first temperature change threshold value is 0.1 DEG C/min, the second temperature
Change threshold is 0.5 DEG C/min；The first humidity change threshold is 1%RH/min, and the second humidity change threshold is 10%
RH/min.Preferably, the unit time is 1min.
In a kind of specific embodiment, if the olfactory signal of smell sensor detection is with temperature data or humidity
The raising of data and reduce, then increase is compensated to olfactory signal according to reduction degree；If the smell sensor detection
Olfactory signal is increased with the decline of temperature data or humidity data, then is carried out at reduction according to elevated-levels to olfactory signal
Reason.
In other embodiments, if the temperature change value in the refrigerator unit time is greater than preset first temperature
Change threshold and it is less than second temperature change threshold and/or humidity changing value in the refrigerator unit time is greater than the change of the first humidity
Change threshold value and less than the second humidity change threshold, then the olfactory signal obtained to smell sensor be averaged processing and defeated
Out.
Specifically, if the fluctuation for the olfactory signal that the smell sensor obtains is due to freezer compressor start-stop and wind
Temperature caused by machine start-stop, caused by moisture fluctuation, then the smell sensor can be according to ice the temperature inside the box, the periodicity of humidity
Variation, the predetermined amount of time for dynamically choosing each period is monitored, using the average value of monitoring as the gas of this cycle monitoring
Taste signal.
In some embodiments, if the temperature change value in the refrigerator unit time, which is greater than second temperature, changes threshold
Humidity changing value in value and/or the refrigerator unit time is greater than the second humidity change threshold, obtains to smell sensor
Olfactory signal carries out shielding processing.
Specifically, because refrigerator open or user pick and place temperature and humidity cataclysm caused by the disturbing factors such as food or temperature and humidity is held
When continuing in high value, the accuracy of smell sensor signal is impacted, it can be by dividing temperature or humidity signal
Analysis, so judge whether smell sensor signal is shielded and shielded how long, eliminating the disturbing factors such as open the door causes
Signal erroneous judgement so that smell sensor output signal is more acurrate, it is made to be more suitable for refrigerator.
In some embodiments, described to be obtained in real time by temperature sensor, humidity sensor and smell sensor
Temperature and humidity and olfactory signal in refrigerator, and the step of the temperature change value and humidity changing value in the unit of account time
Before rapid further include:
It is constant to control humidity in refrigerator, temperature change obtains in the olfactory signal unit time of smell sensor detection with temperature
The size of variation；
Temperature-resistant in refrigerator, humidity variation is controlled, the olfactory signal unit time for obtaining smell sensor detection is interior with humidity
The size of variation.
Specifically, as shown in Fig. 2, by taking temperature as an example, during the non-enabling of refrigerator unit time (such as 1min) interior refrigerator
Temperature change is no more than a certain range (such as 0.3 DEG C), if the temperature change unit time (such as 1min) caused by opening the door is more than a certain
Range (such as 0.3 DEG C) is then considered as this time enabling and causes influence to sensor；Then to the gas of certain subsequent a period of time (such as 5min)
Taste signal is shielded.
By taking humidity as an example, as shown in figure 3, the variation of olfactory signal and relative humidity that smell sensor obtains is in significant phase
It closes, be divided into four Duan Bianhua: 1) relative humidity is begun to ramp up from minimum (such as 35%RH) to intermediate value (such as 55%RH), smell sensor
The olfactory signal of acquisition declines (such as dropping to 92 from 99)；2) relative humidity rises to peak (such as from intermediate value (such as 55%RH)
When 75%RH), the olfactory signal that smell sensor obtains is in compared with steady section (such as 92 or so)；3) relative humidity from peak (such as
It 75%RH) begins to decline to median (such as 55%RH), the olfactory signal that smell sensor obtains rises (such as rising to 99 from 92)；
4) when relative humidity continues to drop to minimum (such as 35%RH) from median (such as 55%RH), the smell that smell sensor obtains is believed
Number in compared with steady section (such as 99 or so).Variation relation based on above-mentioned olfactory signal and relative humidity, the compensation of the present embodiment
Method are as follows: 1) monitors sensor signal with moisture fluctuation variation size, as this be 7；2) refrigerator relative humidity variations are monitored
Range, as this is 40%RH；3) (such as this is 20% to the half respective sensor amplitude of variation signal of relative humidity variations amplitude
The variation of RH corresponding 7)；4) in relative humidity (being set as x) rising front half section, (to 55%RH), then sensor signal is such as 35%RH
Current demand signal adds humidity thermal compensation signal (x-45) * 7/20；5) relative humidity rise second half section (such as 55%RH to 75%RH), then
Sensor signal is that current demand signal increases thermal compensation signal 3.5；6) relative humidity decline front half section (such as 75%RH to 55%RH), then
Sensor signal is that current demand signal adds humidity thermal compensation signal (x-65) * 7/20；7) second half section (55%RH of relative humidity decline
To 35%RH), sensor signal is that current demand signal subtracts thermal compensation signal 3.5.
In the present invention, when temperature or humidity changes, olfactory signal is in associated change.Refrigerator is because of normal pressure
The fluctuating range of temperature caused by contracting machine start-stop and blower start-stop and humidity is smaller, therefore olfactory signal amplitude of variation is also smaller,
Operation can be compensated by data processing；Refrigerator is because temperature or humidity caused by enabling or for the first time reasons such as energization changes width
Degree is then larger, and often humidity is more than 100%RH, can not compensate processing, just carry out shielding processing at this time.
Further, the present invention also provides a kind of storage mediums, wherein be stored with a plurality of instruction, described instruction be suitable for by
The step of processor loads and executes the olfactory signal modification method of smell sensor of the present invention.
Further, the present invention also provides a kind of refrigerators, wherein as shown in figure 4, existing including refrigerator body 10, setting
Display 20 outside refrigerator body 10, storage equipment 80 and refrigerating chamber 40, is set the processor 30 being arranged in refrigerator body 10
The smell sensor 50 and temperature sensor 60 and humidity sensor 70, the smell sensor 50 set in refrigerating chamber 40 are used
Olfactory signal in monitoring refrigerating chamber 40, the temperature sensor 60 and humidity sensor 70 are respectively used to monitoring refrigerating chamber 40
Interior temperature or humidity；Olfactory signal, the temperature or humidity signal monitored is sent to the processor 30；The processor 30
It is shown for combining temperature-humidity signal to carry out analytical judgment processing to olfactory signal, and according to judging that processing result output is corresponding
Signal is to display 20；The smell sensor 50, temperature sensor 60 and humidity sensor 70, display 20 with it is described
Processor 30 is electrically connected.Further, the processor 30 is adapted for carrying out each instruction；The storage equipment 80 is suitable for storing more
Item instruction, described instruction are suitable for being loaded by processor 30 and being executed the step of the olfactory signal modification method of smell sensor of the present invention
Suddenly.
Specifically, the processor 30 can be a central processing unit in some embodiments, microprocessor or other
Data processing chip, for running the program code stored in the storage equipment 80 or processing data.
The storage equipment 80 can be the internal storage unit of described device in some embodiments, such as the device
Hard disk or memory.The storage equipment 80 is also possible to the external memory of described device, such as institute in further embodiments
State the plug-in type hard disk being equipped on device, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card) etc..
Further, the storage equipment 80 can also both include the internal storage unit of described device or deposit including outside
Storage device.The storage equipment 80 is for storing the application software and Various types of data for being installed on described device.The storage equipment
80 can be also used for temporarily storing the data that has exported or will export.
In conclusion the present invention provides a kind of olfactory signal modification method of smell sensor, by temperature sensor, wet
Degree sensor and smell sensor obtain temperature and humidity and olfactory signal in refrigerator in real time, and in the unit of account time
Temperature change value and humidity changing value；If the temperature change value in the refrigerator unit time is greater than preset first temperature
Change threshold and it is less than second temperature change threshold and/or humidity changing value in the refrigerator unit time is greater than the change of the first humidity
Change threshold value and less than the second humidity change threshold, then the olfactory signal obtained to smell sensor compensates processing and exports.
The present invention is analyzed and processed olfactory signal, temperature, humidity, can eliminate disturbing factor, compensates influence factor, makes odor sensing
The olfactory signal of device output, which is avoided, is interfered caused error signal by epidemic disaster fluctuation and user's enabling etc., is provided for user
More accurate olfactory signal.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (9)
1. a kind of olfactory signal modification method of smell sensor, which is characterized in that comprising steps of
Obtain the temperature and humidity and smell in refrigerator in real time by temperature sensor, humidity sensor and smell sensor
Signal, and temperature change value and humidity changing value in the unit of account time；
If the temperature change value in the refrigerator unit time is greater than preset first temperature change threshold value and is less than second temperature
Change threshold and/or the humidity changing value in the refrigerator unit time are greater than the first humidity change threshold and become less than the second humidity
Change threshold value, then the olfactory signal obtained to smell sensor compensates processing and exports.
2. the olfactory signal modification method of smell sensor according to claim 1, which is characterized in that if the refrigerator unit
Humidity changing value of the temperature change value greater than second temperature change threshold and/or in the refrigerator unit time in time is big
In the second humidity change threshold, then shielding processing is carried out to the olfactory signal that smell sensor obtains.
3. the olfactory signal modification method of smell sensor according to claim 1, which is characterized in that if the refrigerator unit
Temperature change value in time is greater than preset first temperature change threshold value and is less than second temperature change threshold and/or refrigerator
Humidity changing value in unit time is greater than the first humidity change threshold and less than the second humidity change threshold, then to odor sensing
The olfactory signal that device obtains is carried out being averaged processing and be exported.
4. the olfactory signal modification method of smell sensor according to claim 1, which is characterized in that described to be passed by temperature
Sensor, humidity sensor and smell sensor obtain temperature and humidity and olfactory signal in refrigerator in real time, and calculate list
Temperature change value in the time of position and the step of humidity changing value before further include:
It is constant to control humidity in refrigerator, temperature change obtains in the olfactory signal unit time of smell sensor detection with temperature
The size of variation；
Temperature-resistant in refrigerator, humidity variation is controlled, the olfactory signal unit time for obtaining smell sensor detection is interior with humidity
The size of variation.
5. the smell modification method of smell sensor according to claim 2, which is characterized in that described to be obtained to smell sensor
The olfactory signal that takes carries out the step of shielding processing and includes:
Determined according to the transformation period of temperature and/or humidity the olfactory signal progress shielding processing that smell sensor is obtained when
Between.
6. the olfactory signal modification method of smell sensor according to claim 1, which is characterized in that first temperature becomes
Change threshold value is 0.1 DEG C/min, and the second temperature change threshold is 0.5 DEG C/min.
7. the olfactory signal modification method of smell sensor according to claim 1, which is characterized in that first humidity becomes
Change threshold value is 1%RH/min, and the second humidity change threshold is 10% RH/min.
8. a kind of storage medium, which is characterized in that be stored with a plurality of instruction, described instruction is suitable for by processor load and right of execution
Benefit requires the step of olfactory signal modification method of any smell sensor of 1-7.
9. a kind of refrigerator, which is characterized in that described including temperature sensor, humidity sensor, smell sensor and processor
Temperature sensor, humidity sensor and smell sensor are electrically connected with the processor, and the processor is adapted for carrying out respectively
Instruction；And storage equipment, it is suitable for storing a plurality of instruction, described instruction is suitable for being loaded by processor and being executed smell of the present invention and passes
The step of olfactory signal modification method of sensor.
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| CN201910267893.9A CN109975488A (en) | 2019-04-03 | 2019-04-03 | A kind of olfactory signal modification method, storage medium and the refrigerator of smell sensor |
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| CN201910267893.9A CN109975488A (en) | 2019-04-03 | 2019-04-03 | A kind of olfactory signal modification method, storage medium and the refrigerator of smell sensor |
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| CN110940773A (en) * | 2019-11-22 | 2020-03-31 | 苏州慧闻纳米科技有限公司 | Processing method for response and recovery curve of odor in refrigerator |
| CN111156777A (en) * | 2020-01-07 | 2020-05-15 | 青岛海尔电冰箱有限公司 | Smell information correction method, storage medium and refrigerator |
| CN112815601A (en) * | 2019-11-15 | 2021-05-18 | 青岛海尔电冰箱有限公司 | Refrigerator smell parameter compensation method and refrigerator |
| WO2021199893A1 (en) * | 2020-04-02 | 2021-10-07 | Ｉ－Ｐｅｘ株式会社 | Odor detection system, odor detection method, and program |
| CN113654297A (en) * | 2021-08-19 | 2021-11-16 | 珠海格力电器股份有限公司 | Refrigerator deodorizer control method and device and refrigerator |
| CN113960945A (en) * | 2021-10-26 | 2022-01-21 | 珠海格力电器股份有限公司 | Dish washer remove flavor detection circuitry and dish washer |
| CN113959148A (en) * | 2021-11-29 | 2022-01-21 | 四川虹美智能科技有限公司 | Method and system for detecting cold air leakage of intelligent refrigeration equipment |
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| CN112815601A (en) * | 2019-11-15 | 2021-05-18 | 青岛海尔电冰箱有限公司 | Refrigerator smell parameter compensation method and refrigerator |
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| CN113959148A (en) * | 2021-11-29 | 2022-01-21 | 四川虹美智能科技有限公司 | Method and system for detecting cold air leakage of intelligent refrigeration equipment |
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