CN108981277B - Method and apparatus for modifying beverage shelf life for a refrigerator - Google Patents
Method and apparatus for modifying beverage shelf life for a refrigerator Download PDFInfo
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- CN108981277B CN108981277B CN201810698950.4A CN201810698950A CN108981277B CN 108981277 B CN108981277 B CN 108981277B CN 201810698950 A CN201810698950 A CN 201810698950A CN 108981277 B CN108981277 B CN 108981277B
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- 235000013361 beverage Nutrition 0.000 title claims abstract description 208
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013528 artificial neural network Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 15
- 238000013135 deep learning Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 14
- 238000012549 training Methods 0.000 claims description 14
- 238000012986 modification Methods 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 13
- 238000013527 convolutional neural network Methods 0.000 description 3
- 230000000306 recurrent effect Effects 0.000 description 3
- 230000035622 drinking Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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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
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- Combustion & Propulsion (AREA)
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a method and a device for modifying the shelf life of beverages for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end surface are arranged on the front end surface of a refrigerator body of the refrigerator, and the method comprises the following steps: when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; modifying the shelf life of the beverage upon determining, from the video stream, that a user took the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room. Therefore, when a user puts part of the drunk beverage back to the refrigerating chamber, the shelf life of the beverage can be adjusted in time.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a method and a device for modifying the shelf life of a beverage for a refrigerator.
Background
The refrigerator is an electric appliance frequently used in daily life, various beverages and the like are usually stored in a refrigerating chamber of the refrigerator, and it can be understood that the various beverages have fixed quality guarantee periods, and the quality guarantee periods of the various beverages can be stored in the refrigerator in order to prevent a user from drinking overdue beverages, so that the user can be reminded in time when a certain beverage is about to exceed the quality guarantee period; in practice, the user often takes the beverage out of the refrigerating chamber and drinks it directly, and sometimes the user puts the beverage back into the refrigerating chamber without drinking the beverage, and it can be understood that the shelf life of the beverage is greatly shortened, and therefore, the user needs to be reminded in time.
Therefore, it is an urgent problem to design a refrigerator that can modify the shelf life of the beverage in time after the beverage is drunk.
Disclosure of Invention
The invention aims to provide a refrigerator which can modify the shelf life of a beverage in time after the beverage is drunk.
In order to achieve one of the above objects, an embodiment of the present invention provides a method for modifying the shelf life of a beverage for a refrigerator, the refrigerator having a front surface provided with a camera capable of photographing a user and a distance sensor capable of sensing the distance between the user and the front surface, comprising the steps of: when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; modifying the shelf life of the beverage upon determining, from the video stream, that a user took the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room.
As a further improvement of an embodiment of the present invention, said determining that the user takes the beverage from the cold room in accordance with the video stream comprises: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user takes away the beverage when the beverage is far away from the front end face according to the beverage track information.
As a further improvement of an embodiment of the present invention, said determining that the user drinks the beverage according to the video stream includes: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information.
As a further improvement of an embodiment of the present invention, said determining that the user puts the beverage back into the cold room according to the video stream comprises: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber.
As a further improvement of an embodiment of the present invention, said modifying the shelf life of said beverage comprises: the modifying a shelf life of the beverage, the shelf life being less than or equal to two days.
The embodiment of the invention provides a device for modifying the quality guarantee period of a beverage for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body of the refrigerator, and the device comprises the following modules: the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing; a shelf-life modification module for modifying the shelf life of the beverage upon determining, from the video stream, that a user removed the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room.
As a further improvement of an embodiment of the present invention, the shelf life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user takes away the beverage when the beverage is far away from the front end face according to the beverage track information.
As a further improvement of an embodiment of the present invention, the shelf life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information.
As a further improvement of an embodiment of the present invention, the shelf life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber.
As a further improvement of an embodiment of the present invention, the shelf life modification module is further configured to: the modifying a shelf life of the beverage, the shelf life being less than or equal to two days.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a method for modifying the quality guarantee period of a beverage for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body of the refrigerator, and the method comprises the following steps: when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; modifying the shelf life of the beverage upon determining, from the video stream, that a user took the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room. Therefore, when a user puts part of the drunk beverage back to the refrigerating chamber, the shelf life of the beverage can be adjusted in time.
Drawings
Fig. 1 is a flow chart illustrating a method for modifying the shelf life of a beverage for a refrigerator according to an embodiment of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
In the refrigerator, in order to timely remind a user whether each beverage will exceed the shelf life, the shelf life of each beverage needs to be processed, that is, a storage item corresponding to each beverage is stored in the refrigerator, and information such as the shelf life of the beverage, the time of storing the beverage in the refrigerator and the like is stored in the storage item.
The embodiment of the invention provides a method for modifying the quality guarantee period of a beverage for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body of the refrigerator; when the refrigerator is used, a user stands in front of the refrigerator and faces the door body of the refrigerator, the door body is opened, then the user can take out or store beverages from the refrigerating chamber, and at the moment, the side, facing the user, of the refrigerator body is the front end face of the refrigerator body. Here, the distance sensor may be: infrared distance measuring sensors or human body proximity sensors, etc.
As shown in fig. 1, the method comprises the steps of:
step 101: when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user;
here, the distance sensor may transmit the detected distance between the human body and the front end surface to the processor module in real time, so that the processor module may determine whether the distance is less than or equal to the first preset value.
Here, a sensor for detecting the state of the door body can be arranged on the door body, and when the sensor detects that the door body is changed from being closed to being opened, a state instruction for representing that the door body is changed from being closed to being opened is sent to the processor module, so that the processor module can determine that the door body is changed from being closed to being opened; the sensor can also send the state of the door body (such as the angle value between the door body and the front end face of the refrigerator) to the processor module in real time, so that the processor module can determine that the door body is opened from closing according to the state of the door body.
It will be appreciated that in practice, the user will typically stand on the front side of the door body, and therefore the camera will be able to capture a video stream containing the user.
Here, in order to obtain a clearer video stream, the camera shutter speed may be 1ms, which is equivalent to 1000FPS (Frames Per Second).
Step 102: modifying the shelf life of the beverage upon determining, from the video stream, that a user took the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room. Here, the type of beverage is first identified from the video stream (e.g., the beverage bottle exterior packaging and the shape of the beverage bottle are generally fixed for different beverages, so that the type of beverage can be determined by the beverage bottle exterior packaging and shape), and then the position of the beverage is tracked, and when the beverage is determined to be farther and farther away from the front end face, it can be determined that the user is taking the beverage; and it is determined that the beverage is closer to the front end surface and finally becomes zero, it can be determined that the user puts the beverage back into the refrigerating chamber.
In step 102, it is determined whether the beverage is further from the front surface or closer to the front surface by processing the video stream using a specific algorithm, matching the beverage type from the video stream, and tracking the beverage feed trajectory.
Here, the modifying the shelf life of the beverage may be: deleting the storage item of the beverage when it is determined that the user takes the beverage from the refrigerating chamber; and when it is determined to drink the beverage and to put the beverage back to the refrigerating chamber, adding a storage item of the beverage in the refrigerator, in which a shelf life of the beverage having been drunk is stored.
Preferably, said determining that the user takes the beverage from the cold room in accordance with the video stream comprises: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user takes away the beverage when the beverage is far away from the front end face according to the beverage track information. Wherein, the neural network can be: convolutional neural networks, recursive neural networks, or recurrent neural networks, etc.
Here, for each beverage, a neural network may be trained using a plurality of pictures of the beverage to obtain a beverage model, and then the beverage model may be used to identify the picture, so that the type of the beverage in the picture may be identified, and further the trajectory information of the beverage may be obtained, and the distance between the beverage and the front end surface may be determined.
Preferably, the determining that the user drinks the beverage according to the video stream includes: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information. Wherein, the neural network can be: convolutional neural networks, recursive neural networks, or recurrent neural networks, etc.
Preferably, said determining that the user puts the beverage back into the cold room according to the video stream comprises: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber. Wherein, the neural network can be: convolutional neural networks, recursive neural networks, or recurrent neural networks, etc.
Preferably, said modifying the shelf-life of said beverage comprises: the modifying a shelf life of the beverage, the shelf life being less than or equal to two days. In practice, if a bottle of beverage is not opened by the user and has been drunk, the beverage usually has a long shelf life, but if it is opened by the user and has been drunk once, the shelf life of the beverage becomes short, even in a refrigerator, the time is short, usually one to two days, and therefore, the shelf life can be set to less than two days.
The embodiment of the invention provides a device for modifying the quality guarantee period of a beverage for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body of the refrigerator, and the device comprises the following modules:
the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing;
a shelf-life modification module for modifying the shelf life of the beverage upon determining, from the video stream, that a user removed the beverage from the cold room, drunk the beverage, and placed the beverage back into the cold room.
Preferably, the shelf-life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user takes away the beverage when the beverage is far away from the front end face according to the beverage track information.
Preferably, the shelf-life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information.
Preferably, the shelf-life modification module is further configured to: processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training; and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber.
Preferably, the shelf-life modification module is further configured to: the modifying a shelf life of the beverage, the shelf life being less than or equal to two days.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (2)
1. A method for modifying the shelf life of beverages for a refrigerator, the front end face of the refrigerator body is provided with a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face, and the method is characterized by comprising the following steps:
when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user;
modifying the shelf life of the beverage when it is determined that the user takes the beverage from the cold room, drinks the beverage, and places the beverage back in the cold room according to the video stream, the shelf life being less than or equal to two days;
said step "when it is determined that the user takes a beverage from the cold room, drinks said beverage and puts it back in the cold room in dependence on said video stream" comprises:
processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training;
determining that the beverage is far away from the front end face according to the beverage track information, and determining that the user takes away the beverage;
determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information;
and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber.
2. The utility model provides a device of revising beverage shelf life for refrigerator, the preceding terminal surface of refrigerator box is provided with can shoot user's camera and can perceive user and the distance sensor of preceding terminal surface distance which characterized in that, includes following module:
the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a first preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing;
a shelf life modification module for modifying the shelf life of the beverage when it is determined that the user takes the beverage from the cold room, drinks the beverage, and puts the beverage back into the cold room according to the video stream, the shelf life being less than or equal to two days;
the shelf-life modification module is further to:
processing each frame of picture in the video stream by filtering a static object, identifying each frame of picture according to a beverage model, and tracking to obtain beverage track information, wherein the beverage model is a neural network obtained by deep learning algorithm training;
determining that the beverage is far away from the front end face according to the beverage track information, and determining that the user takes away the beverage;
determining that the user drinks the beverage when the distance between the beverage and the mouth of the user is determined to be smaller than or equal to a second preset value according to the beverage track information;
and determining that the distance between the beverage and the front end surface is changed from zero to zero according to the beverage track information, and determining that the user puts the beverage back to the refrigerating chamber.
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| CN201810698950.4A CN108981277B (en) | 2018-06-29 | 2018-06-29 | Method and apparatus for modifying beverage shelf life for a refrigerator |
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| CN108981277B true CN108981277B (en) | 2021-07-23 |
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| CN113551478B (en) * | 2021-07-30 | 2023-04-07 | 珠海格力电器股份有限公司 | Method and device for updating residual shelf life of food and refrigerator |
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| CB02 | Change of applicant information |
Address after: 266101 Haier Road, Laoshan District, Qingdao, Qingdao, Shandong Province, No. 1 Applicant after: Haier Smart Home Co., Ltd. Applicant after: QINGDAO HAIER SPECIAL REFRIGERATOR Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: Qingdao Haier Joint Stock Co.,Ltd. Applicant before: QINGDAO HAIER SPECIAL REFRIGERATOR Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |