CN107421210A - The method of refrigerator detection human body proximity and the refrigerator using this method - Google Patents
The method of refrigerator detection human body proximity and the refrigerator using this method Download PDFInfo
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- CN107421210A CN107421210A CN201710624113.2A CN201710624113A CN107421210A CN 107421210 A CN107421210 A CN 107421210A CN 201710624113 A CN201710624113 A CN 201710624113A CN 107421210 A CN107421210 A CN 107421210A
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- refrigerator
- detection data
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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
-
- 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
- F25D29/005—Mounting of control 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
- F25D2600/00—Control issues
- F25D2600/02—Timing
-
- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D2700/04—Sensors detecting the presence of a person
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention provides a kind of method of refrigerator detection human body proximity and the refrigerator using this method, the refrigerator to have control module and infrared sensor array.Methods described includes controlling the infrared sensor array to be detected to obtain first group of detection data to refrigerator front region, as background data；Control the infrared sensor array to carry out second of detection after set first duration T1 and obtain second group of detection data, second group of detection data is subtracted into background data obtains one group of difference, and accumulative summation obtains S1；When S1 is more than the first given threshold SN1, control the infrared sensor array to carry out third time detection after set second duration T2 and obtain the 3rd group of detection data, 3rd group of detection data are subtracted into second group of detection data and obtain another group of difference, accumulative summation obtains S2；When S2 is more than the second given threshold SN2, human body proximity refrigerator is judged.Whether the above method can accurately detect human body proximity refrigerator, reduce erroneous judgement.
Description
Technical field
The present invention relates to household electrical appliances automatic control technology field, more particularly to a kind of refrigerator to detect the method for human body proximity and adopt
With the refrigerator of this method.
Background technology
With the continuous progress of society, intellectuality, hommization of the user to traditional home appliance propose higher demand.In the industry
A kind of refrigerator for being capable of automatic detection human body proximity is released, the refrigerator performs corresponding dynamic when detecting human body proximity
Make, such as open or adjust brightness of display screen, bring more preferable usage experience to user, moreover it is possible to save the energy and extend display screen
Deng the service life of corresponding component.It is the important channel for realizing human body proximity detection using infrared sensor, however, existing skill
Art scheme mostly detects someone by infrared sensor in its detection zone to be occurred, and is just judged human body proximity and is sent corresponding
Signal.The above method often produces erroneous judgement, causes energy waste and user misreads.
Chinese patent CN102878775 A disclose a kind of control method of refrigerator, by infrared launcher according to PWM
Signal launches infrared signal with predetermined period, and whether receives reflected signal by judging infrared receiving device and receive
The number of the reflected signal whether be more than pre-determined number, whether control refrigerator enters predetermined operating mode.But when user exists
When movable for a long time in the detection zone of above-mentioned refrigerator, erroneous judgement also occurs；And when user is close from different directions, detection misses
Difference is also larger.
In consideration of it, it is necessary to provide a kind of method of new refrigerator detection human body proximity and the refrigerator using this method.
The content of the invention
, can it is an object of the invention to provide a kind of method of refrigerator detection human body proximity and the refrigerator using this method
Whether is accurate detection human body proximity refrigerator, and then determines whether to perform corresponding subsequent action, reduces erroneous judgement.
For achieving the above object, the invention provides a kind of method of refrigerator detection human body proximity, the refrigerator tool
There is control module and to detect the infrared sensor array of the refrigerator front region, methods described includes：
Refrigerator opens operation, and the infrared sensor array is detected to obtain first group of detection data to refrigerator front region,
As background data；
Control the infrared sensor array to carry out second of detection after set first duration T1 and obtain second group of detection data,
Second group of detection data is subtracted into background data and obtains one group of difference, and accumulative summation obtains S1, contrasts the setting thresholds of S1 and first
Value SN1；
If S1 ＞ SN1, control the infrared sensor array to carry out third time detection after set second duration T2 and obtain the 3rd
Group detection data, the 3rd group of detection data are subtracted into second group of detection data and obtain another group of difference, and accumulative summation obtains S2,
Contrast S2 and the second given threshold SN2；
If S2 ＞ SN2, judge someone close to refrigerator.
As a further improvement on the present invention, methods described also includes contrast S1 and the first given threshold SN1, if S1≤
SN1, judge nobody close to refrigerator；
Detection data are removed, and control the infrared sensor array to be detected to obtain first group to refrigerator front region again
Data are detected, as background data.
As a further improvement on the present invention, methods described also includes contrast S1 and the first given threshold SN1, if S1≤
SN1, judge nobody close to refrigerator；
As S1 >=0, second group of detection data is removed, retains first group of detection data as background data, then control described red
Outer sensor array is detected to obtain second group of detection data after set first duration T1 to refrigerator front region；
As S1 ＜ 0, first group of detection data is removed, and second group of detection data is replaced with into background data, then is controlled described
Infrared sensor array is detected to obtain second group of new detection data after set first duration T1 to refrigerator front region.
As a further improvement on the present invention, methods described also includes contrast S2 and the second given threshold SN2, if S2≤
SN2, judge nobody close to refrigerator；
Detection data are removed, and control the infrared sensor array to be detected to obtain first group to refrigerator front region again
Data are detected, as background data.
As a further improvement on the present invention, methods described also includes contrast S2 and the second given threshold SN2, if S2≤
SN2, judge nobody close to refrigerator；
The 3rd group of detection data are subtracted into background data and obtain another group of difference, and accumulative summation obtain S3, contrast S3 with
First given threshold SN1；
If S3≤SN1, detection data are removed, and control the infrared sensor array to be detected again to refrigerator front region
First group of detection data is obtained, as background data；
If S3 ＞ SN1, the infrared sensor array is controlled to be detected after set second duration T2 to refrigerator front region
Obtain the 3rd group of new detection data.
As a further improvement on the present invention, as S3 ＞ SN1, second group of detection data is removed, and by the 3rd group of detection
Data replace with second group of detection data, then control the infrared sensor array after set second duration T2 in front of refrigerator
Detected to obtain the 3rd group of new detection data in region.
As a further improvement on the present invention, after removing detection data, by set 3rd duration T3, then control described red
Outer sensor array is detected to obtain first group of detection data to refrigerator front region again, as background data.
The present invention also provides a kind of refrigerator, has casing and door body, and the casing OR gate body senses provided with infrared array
Device；The refrigerator uses the method for above-mentioned detection human body proximity whether to detect human body proximity.
The beneficial effects of the invention are as follows：Method using refrigerator of the present invention detection human body proximity and the ice using this method
Whether case, the infrared sensor array can accurately detect human body proximity refrigerator, and then determine whether that execution is corresponding follow-up
Action, reduce erroneous judgement probability.
Brief description of the drawings
Fig. 1 is the main flow schematic diagram of the method for refrigerator detection human body proximity of the present invention；
Fig. 2 is the overall structure diagram of refrigerator of the present invention.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But the embodiment is not intended to limit
The present invention, structure that one of ordinary skill in the art is made according to the embodiment, method or conversion functionally are wrapped
Containing within the scope of the present invention.
Refer to the main flow schematic diagram for the method that Fig. 1 is present invention detection human body proximity；With reference to shown in Fig. 2, this hair
It is bright also provide it is a kind of human body proximity whether refrigerator 100 is detected using the above method, the refrigerator 100 has casing 1, door body 2
And it is arranged in door body 2 and to detect the infrared sensor array 3 of the front region of refrigerator 100 and the control refrigerator
The control module of 100 operations.Wherein, when the detection of infrared sensor array 3 is completed, a group pattern temperature value is accordingly obtained.
Methods described includes：
Refrigerator 100 opens operation, controls the infrared sensor array 3 to be detected to obtain first to the front region of refrigerator 100
Group detection data data1, as background data；
Control the infrared sensor array 3 to carry out second of detection after set first duration T1 and obtain second group of detection data
Data2, second group of detection data data2 is subtracted into background data and obtains one group of difference, and accumulative summation obtains S1, contrast S1 with
First given threshold SN1；
If S1≤SN1, judge that nobody, close to refrigerator, removes detection data, and control the infrared sensor array 3 again to ice
The front region of case 100 is detected to obtain first group of detection data data1, as background data；
If S1 ＞ SN1, control the infrared sensor array 3 to carry out third time detection after set second duration T2 and obtain the 3rd
Group detection data data3, subtracts second group of detection data data2 by the 3rd group of detection data data3 and obtains another group of difference, and
Accumulative summation obtains S2, contrasts S2 and the second given threshold SN2；
If S2≤SN2, judge that nobody, close to refrigerator, removes detection data, and control the infrared sensor array 3 again to ice
The front region of case 100 is detected to obtain first group of detection data data1, as background data；
If S2 ＞ SN2, judge someone close to refrigerator.The first given threshold SN1 and the second given threshold SN2 is that experience is normal
Number, usually, SN2 is set greater than SN1.
Methods described is also included after removing detection data, by set 3rd duration T3, then controls the infrared array to pass
Sensor 3 is detected to obtain first group of detection data data1 to the front region of refrigerator 100 again, as background data.Thereby,
The infrared sensor array 3 can be reduced and detect the frequency, and avoid duplicate data interaction and processing.
In other embodiments of the present invention, as S1≤SN1, determine whether as follows：
As S1 >=0, second group of detection data data2 is removed, retains first group of detection data data1 as background data, then
The infrared sensor array 3 is controlled to be detected to obtain second group to the front region of refrigerator 100 after set first duration T1
Detect data data2；
As S1 ＜ 0, first group of detection data data1 is removed, and second group of detection data data2 is replaced with into background data,
Control again the infrared sensor array 3 front region of refrigerator 100 is detected to obtain after set first duration T1 it is new
Second group of detection data data2.
As S2≤SN2, methods described also includes：
The 3rd group of detection data data3 is subtracted into background data and obtains another group of difference, and accumulative summation obtains S3, contrasts
S3 and the first given threshold SN1；
If S3≤SN1, detection data are removed, and control the infrared sensor array 3 to be carried out again to the front region of refrigerator 100
Detection obtains first group of detection data data1, described infrared after set 4th duration T4 as background data preferably
Sensor array 3 re-starts above-mentioned detection again, and herein, the set 4th duration T4 is set and set 3rd duration T3 phases
Deng；
If S3 ＞ SN1, the infrared sensor array 3 is controlled to be carried out after set second duration T2 to the front region of refrigerator 100
Detection obtains the 3rd group of new detection data data3.
Especially, as S3 ＞ SN1, second group of detection data data2 is removed, and the 3rd group of detection data data3 is replaced
Second group of detection data data2 is changed to, then controls the infrared sensor array 3 after set second duration T2 to refrigerator 100
Front region is detected to obtain the 3rd group of new detection data data3.
In summary, the method for human body proximity and the refrigerator 100 using this method are detected using refrigerator of the present invention, according to institute
State infrared sensor array 3 testing result successively judged twice whether can accurately detect human body proximity refrigerator 100,
And then determine whether to perform corresponding subsequent action, effectively reduce erroneous judgement probability.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included in the scope of the protection.
Claims (8)
1. a kind of method of refrigerator detection human body proximity, the refrigerator have control module and to detect the refrigerator front region
Infrared sensor array, be characterised by, methods described includes：
Refrigerator opens operation, and the infrared sensor array is detected to obtain first group of detection data to refrigerator front region,
As background data；
Control the infrared sensor array to carry out second of detection after set first duration T1 and obtain second group of detection data,
Second group of detection data is subtracted into background data and obtains one group of difference, and accumulative summation obtains S1, contrasts the setting thresholds of S1 and first
Value SN1；
If S1 ＞ SN1, control the infrared sensor array to carry out third time detection after set second duration T2 and obtain the 3rd
Group detection data, the 3rd group of detection data are subtracted into second group of detection data and obtain another group of difference, and accumulative summation obtains S2,
Contrast S2 and the second given threshold SN2；
If S2 ＞ SN2, judge someone close to refrigerator.
2. according to the method for claim 1, it is characterised in that：Methods described also includes contrast S1 and the first given threshold
SN1, if S1≤SN1, judge nobody close to refrigerator；
Detection data are removed, and control the infrared sensor array to be detected to obtain first group to refrigerator front region again
Data are detected, as background data.
3. according to the method for claim 1, it is characterised in that：Methods described also includes contrast S1 and the first given threshold
SN1, if S1≤SN1, judge nobody close to refrigerator；
As S1 >=0, second group of detection data is removed, retains first group of detection data as background data, then control described red
Outer sensor array is detected to obtain second group of detection data after set first duration T1 to refrigerator front region；
As S1 ＜ 0, first group of detection data is removed, and second group of detection data is replaced with into background data, then is controlled described
Infrared sensor array is detected to obtain second group of new detection data after set first duration T1 to refrigerator front region.
4. according to the method for claim 1, it is characterised in that：Methods described also includes contrast S2 and the second given threshold
SN2, if S2≤SN2, judge nobody close to refrigerator；
Detection data are removed, and control the infrared sensor array to be detected to obtain first group to refrigerator front region again
Data are detected, as background data.
5. according to the method for claim 1, it is characterised in that：Methods described also includes contrast S2 and the second given threshold
SN2, if S2≤SN2, judge nobody close to refrigerator；
The 3rd group of detection data are subtracted into background data and obtain another group of difference, and accumulative summation obtain S3, contrast S3 with
First given threshold SN1；
If S3≤SN1, detection data are removed, and control the infrared sensor array to be detected again to refrigerator front region
First group of detection data is obtained, as background data；
If S3 ＞ SN1, the infrared sensor array is controlled to be detected after set second duration T2 to refrigerator front region
Obtain the 3rd group of new detection data.
6. according to the method for claim 5, it is characterised in that：As S3 ＞ SN1, second group of detection data is removed, and will
3rd group of detection data replace with second group of detection data, then control the infrared sensor array after set second duration T2
Refrigerator front region is detected to obtain the 3rd group of new detection data.
7. according to the method described in claim 2,4 or 5, it is characterised in that：After removing detection data, by set 3rd duration
T3, then control the infrared sensor array to be detected to obtain first group of detection data to refrigerator front region again, as
Background data.
8. a kind of refrigerator, has casing and door body, the casing OR gate body is provided with infrared sensor array, it is characterised in that：
The refrigerator uses the method as described in any one of claim 1 to 7 to detect human body proximity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486056.9A CN114198977B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approach of refrigerator and refrigerator adopting method |
| CN201710624113.2A CN107421210B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approaching by refrigerator and refrigerator adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624113.2A CN107421210B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approaching by refrigerator and refrigerator adopting same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111486056.9A Division CN114198977B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approach of refrigerator and refrigerator adopting method |
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| CN107421210A true CN107421210A (en) | 2017-12-01 |
| CN107421210B CN107421210B (en) | 2022-01-04 |
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| CN202111486056.9A Active CN114198977B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approach of refrigerator and refrigerator adopting method |
| CN201710624113.2A Active CN107421210B (en) | 2017-07-27 | 2017-07-27 | Method for detecting human body approaching by refrigerator and refrigerator adopting same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108363053A (en) * | 2017-12-28 | 2018-08-03 | 生迪智慧科技有限公司 | The monitoring method and device of object movement |
| CN110568515A (en) * | 2019-08-26 | 2019-12-13 | 深圳市枫芒科技有限公司 | Human body existence detection method and device based on infrared array and storage medium |
| CN112444096A (en) * | 2019-08-28 | 2021-03-05 | 博西华电器（江苏）有限公司 | Refrigerator and control method thereof |
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| CN102878775A (en) * | 2012-10-25 | 2013-01-16 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigerator control method |
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| CN108363053A (en) * | 2017-12-28 | 2018-08-03 | 生迪智慧科技有限公司 | The monitoring method and device of object movement |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114198977A (en) | 2022-03-18 |
| CN107421210B (en) | 2022-01-04 |
| CN114198977B (en) | 2023-05-16 |
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