CN106093123B - Method and device for detecting influence of smell in storage room of refrigerator on smell sense and refrigerator - Google Patents
Method and device for detecting influence of smell in storage room of refrigerator on smell sense and refrigerator Download PDFInfo
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- CN106093123B CN106093123B CN201610444672.0A CN201610444672A CN106093123B CN 106093123 B CN106093123 B CN 106093123B CN 201610444672 A CN201610444672 A CN 201610444672A CN 106093123 B CN106093123 B CN 106093123B
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Abstract
The invention provides a method and a device for detecting influence of smell in a storage room of a refrigerator on smell, and the refrigerator. The detection method comprises the following steps: detecting the concentration of a plurality of or a plurality of gases in the storage chamber, which influence the smell of a user, to obtain a plurality of concentration values; and calculating the weighted sum of the plurality of concentration values according to the preset weight coefficient of each type or each type of gas to obtain the odor intensity for representing the influence degree of the indoor odor of the storage room on the smell. The method and the device for detecting the influence of the indoor smell of the storage room of the refrigerator and the refrigerator can synthesize various peculiar smell gases in the storage room to obtain an intuitive numerical value, namely the smell intensity for representing the influence degree of the indoor smell of the storage room on the smell, and can directly judge the peculiar smell condition in the storage room and the influence degree of the smell in the storage room on the smell of a human body according to the intensity of the smell.
Description
Technical Field
The invention relates to the technical field of refrigerator storage, in particular to a method and a device for detecting influence of smell in a storage room of a refrigerator on smell and the refrigerator.
Background
The refrigerator is a refrigeration device which keeps constant low temperature, and is a civil product which keeps constant low temperature and cold state of food or other articles, and people can not leave the refrigerator more and more along with the development of the society. However, sometimes a user opens the refrigerator and smells a bad smell, which is unpleasant. The main causes of these off-flavors may be the following: 1) because part of food in the refrigerating chamber is stored for a long time or part of food residues can generate peculiar smell, the smell can be attached to an inner container or a rack of the refrigerator and a fruit box; 2) some foods are mixed, particularly some foods which are easy to generate peculiar smell are not packaged, and the peculiar smell is easy to generate after being stored for a period of time; 3) some food is attached to the inner container in the using process of the refrigerator, and if the refrigerator is not used but is not cleaned or the door body is not opened, peculiar smell can be generated after a long time; 4) the food in the refrigerator is deteriorated and the user can not know the food, so that the peculiar smell can be mixed into the stored food during use, and the smell mixing phenomenon is caused. Moreover, at present, the odor sensor on the market generally can only identify and detect one gas, can not well reflect the peculiar smell condition in the refrigerator, has short service life, can not be well applied to the refrigerator, and is difficult to identify all odors by one sensor because the gas components in the refrigerator are generally complex.
Disclosure of Invention
The first aspect of the invention aims to provide a method for detecting the influence of smell in a storage room of a refrigerator on smell, so that the peculiar smell in the storage room can be better reflected to a user, and the user can judge the conditions of articles in the storage room more intuitively and accurately.
The invention aims to provide a device for detecting influence of smell in a storage room of a refrigerator on smell.
The third aspect of the invention aims to provide a refrigerator with the detection device.
In particular, according to a first aspect of the invention, the invention provides a method for detecting the influence of smell in a storage chamber of a refrigerator on the sense of smell, which comprises the following steps:
detecting the concentration of a plurality of or a plurality of gases affecting the smell of a user in a storage chamber of the refrigerator to obtain a plurality of concentration values;
and calculating the weighted sum of the concentration values according to the preset weight coefficient of each gas or each type of gas to obtain the odor intensity for representing the influence degree of the odor in the storage room on the smell.
Optionally, the plurality of types of gases includes at least two of alkane gases, alkene gases, methyl mercaptan gases, ethylene gases, acid gases, and amine gases.
Optionally, the predetermined weight coefficient of the alkane gas is 0.045 to 0.055;
the olefin gas has a preset weight coefficient of 0.045 to 0.055;
the weight coefficient of the methyl mercaptan gas is 0.18 to 0.22;
the preset weight coefficient of the ethylene gas is 0.18 to 0.22;
the preset weight coefficient of the acid gas is 0.23 to 0.27;
the preset weight coefficient of the amine gas is 0.33 to 0.37.
Optionally, detecting the concentrations of the plurality of or more types of gases by using a concentration detection module;
the concentration detection module is arranged in the storage chamber and is configured to utilize substances in the concentration detection module to react with the multiple or multiple types of gases in the storage chamber to generate electric signals so as to calculate the concentration of the multiple or multiple types of gases.
Optionally, the concentration detection module is arranged on the side wall of the storage compartment or at the air return opening or close to the air return opening.
According to a second aspect of the invention, the invention provides a device for detecting the influence of smell in a storage compartment of a refrigerator on the sense of smell, comprising:
the concentration detection module is configured to detect the concentrations of various gases affecting the smell of a user in a storage room of the refrigerator so as to obtain a plurality of concentration values;
a computing module configured to: calculating the weighted sum of the concentration values according to the preset weight coefficient of each gas or each type of gas to obtain the odor intensity for representing the influence degree of the odor in the storage room on the smell; and
an output module configured to output the odor intensity.
Optionally, the concentration detection module has a detection probe and is configured to generate an electrical signal by using the substance therein to react with the plurality of types of gases in the storage chamber, so as to calculate the concentration of the plurality of types of gases.
According to a third aspect of the present invention, there is provided a refrigerator comprising:
the refrigerator comprises a refrigerator body, a storage compartment and a storage box, wherein the refrigerator body is internally limited with the storage compartment;
any one of the above detection devices is disposed in the storage compartment and configured to obtain an odor intensity of the storage compartment, where the odor intensity is used to represent a degree of influence of the odor in the storage compartment on the sense of smell.
Optionally, an air return opening is formed in the chamber wall of the storage chamber;
the detection device is arranged at the air return opening or close to the air return opening.
According to the method and the device for detecting the influence of the odor in the storage room of the refrigerator on the smell sense and the refrigerator, because various odor gases in the storage room are synthesized to obtain an intuitive numerical value, namely the odor intensity for representing the influence degree of the odor in the storage room on the smell sense, the odor condition in the storage room and the influence degree of the odor in the storage room on the smell sense of a human body can be directly judged according to the odor intensity. That is to say, according to the method and the device for detecting the influence of the smell in the storage room of the refrigerator and the refrigerator, the smell intensity parameter can be comprehensively calculated and defined according to the condition of the food materials stored in the storage room, the types and the amounts of the gas volatilized by the food materials and the influence of various gas components on the smell sensation of the people, and the stronger the smell intensity is, the more obvious the smell condition in the refrigerator is, so that the peculiar smell condition in the refrigerator can be tested.
Furthermore, in the method and the device for detecting the influence of the smell in the storage room of the refrigerator and the refrigerator, the concentration of various gases influencing the smell of a user is detected on the side wall of the storage room or at the air return opening or near the air return opening, the detection position is reasonably selected, the sensitivity is high, and the detection result is accurate.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic flow chart of a method for detecting the influence of smell on smell in a storage compartment of a refrigerator according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of a device for detecting the influence of smell on smell in a storage compartment of a refrigerator according to one embodiment of the present invention;
fig. 3 is a schematic structural view of a refrigerator according to one embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic flow chart of a method for detecting the influence of smell on smell in a storage room of a refrigerator according to one embodiment of the invention. As shown in FIG. 1, the embodiment of the invention provides a method for detecting influence of smell in a storage room of a refrigerator on smell, which can also be called a method for acquiring influence degree of the smell in the storage room of the refrigerator on the smell. Specifically, the detection method comprises the following steps:
s100: the concentration of a plurality of gases or a plurality of gases influencing the smell of a user in a storage chamber of the refrigerator is detected to obtain a plurality of concentration values.
S200: and calculating the weighted sum of the plurality of concentration values according to the preset weight coefficient of each type or each type of gas to obtain the odor intensity for representing the influence degree of the indoor odor of the storage room on the smell.
In the case of a plurality of or a plurality of types of gases, since each or each type of gas has different influence on the sense of smell with respect to the plurality of or the plurality of types of gases, the inventor proposes to determine the degree of influence of each or each type of gas on the sense of smell of a human body by using a weight coefficient corresponding to each or each type of gas, thereby comprehensively, accurately, and practically obtaining the intensity of smell for representing the degree of influence of smell in a storage room on the sense of smell. The weight coefficient of each gas or each type of gas can be obtained by searching for a rule through a large number of experiments, and can also be obtained by other methods, for example, the weight coefficient can be an empirical value.
The inventor of the invention creatively provides the advantages that the influence degree of the smell in the storage room on the smell is intuitively reflected by using the smell intensity (which is used for representing the influence degree of the smell in the storage room on the smell), the peculiar smell degree in the storage room is also intuitively and accurately reflected, and the acquisition method of the smell intensity is creatively provided, so that the refrigerator can better reflect the peculiar smell condition in the storage room to a user, and the user can more intuitively and accurately judge the condition of articles in the storage room, and the like.
Specifically, the inventor creatively utilizes the concentration of multiple or multiple types of gases in the storage room, which affect the smell of the user, and comprehensively calculates a parameter, namely the smell intensity, according to the preset influence degree parameter of each or every type of gases on the smell of the human body, wherein the parameter is used for representing the influence degree of the smell in the storage room on the smell. That is to say, the inventor of this application creatively synthesizes the indoor multiple peculiar smell gas of storing room and obtains an intuitive parameter, namely is used for representing the smell intensity of the indoor smell of storing room to the influence degree of sense of smell, can directly judge the indoor peculiar smell condition of storing room according to the size of smell intensity to and the influence degree of the indoor smell of this storing room to human sense of smell. Generally, the higher the intensity of the odor, the higher the degree of influence of the odor in the storage compartment on the sense of smell of the human body, and the more serious the odor in the storage compartment, and also the more serious the rotten degree of the articles in the refrigerator, at least to some extent.
In some embodiments of the invention, the plurality of types of gases include at least two of alkane gases, alkene gases, methyl mercaptan gases, ethylene gases, acid gases, and amine gases. The gas component volatilized from the food material in the storage chamber is mainly sulfide, such as methyl mercaptan gas, ethylene gas, acid gas, amine gas and the like. Preferably, the plurality of types of gases include methyl mercaptan type gas, ethylene type gas, acid type gas, amine type gas, and the like. Further, the inventor finds that the refrigerator itself may also emit some gases that affect the smell sense of the user, such as alkane gases and olefin gases, and therefore, many types of gases also need to include alkane gases and olefin gases, so as to completely reflect the degree of the smell sense in the storage room, or completely reflect the degree of the peculiar smell in the refrigerator, and prevent the smell emitted from the refrigerator itself from affecting the articles (especially foods).
Specifically, for example, in a storage compartment of a refrigerator, the concentration of the alkane gas may be A, and the predetermined weight coefficient may be X1(ii) a The concentration of the olefin gas may be B, and the predetermined weight coefficient may be X2(ii) a The concentration of the methanethiol gas can be C, and the predetermined weight coefficient can be X3(ii) a The concentration of the ethylene gas may be D, and the predetermined weight coefficient may be X4(ii) a The acid gas concentration may be E, and the predetermined weight coefficient may be X5(ii) a The concentration of the amine gas can be F, and the predetermined weight coefficient can be X6. The odor intensity Q of the storage compartment of the refrigerator may be: q ═ X1A+X2B+X3C+X4D+X5E+X6F。
In some embodiments of the present invention, the predetermined weight factor of the alkane gas may be 0.045 to 0.055, preferably 0.05; the predetermined weight coefficient of the olefin-based gas may be 0.045 to 0.055, preferably 0.05; the predetermined weight coefficient of the methanethiol gas may be 0.18 to 0.22, preferably 0.2; the preset weight coefficient of the ethylene gas may be 0.18 to 0.22, preferably 0.2; the predetermined weight coefficient of the acid gas may be 0.23 to 0.27, preferably 0.25; the predetermined weight coefficient of the amine-based gas may be 0.33 to 0.37, preferably 0.35.
For example: when the food material stored in the refrigerator is pork, the main components of gas volatilized from the pork are amines and acids, so that various types of gas can comprise alkane gas, olefin gas, amine gas and acid gas. At some point during storage, the detected concentration values may be 10, 20, and 20, respectively, and the weighting coefficients may be 0.05, 0.35, and 0.25, respectively. The odor intensity Q may be: q0.05 × 10+0.35 × 20+0.25 × 20 ═ 13. At another point in the storage process, the detected concentration values may be 10, 22 and 23, respectively, and the odor intensity Q may be: and Q is 0.05, 10, 0.35, 22, 0.25, 23 or 14.45, which indicates that the odor intensity in the storage chamber is enhanced, the odor in the storage chamber is deteriorated, pork on the surface is possibly deteriorated, and the like, and a user directly obtains corresponding information by knowing the change of the odor intensity. Namely, the smell intensity can intuitively, accurately and quickly reflect the influence degree of the smell in the storage room on the smell.
In some embodiments of the invention, the concentration of one or more types of gases may be detected using a concentration detection module. The concentration detection module is arranged in the storage chamber and is configured to utilize substances in the concentration detection module to react with various gases in the storage chamber to generate electric signals so as to calculate the concentration of various gases. The concentration detection module can be arranged in the storage chamber, such as on the top wall of the storage chamber. Further, in the air-cooled refrigerator, in order to make concentration detection more accurate, the concentration detection module is arranged on the side wall of the storage compartment or at the air return opening or close to the air return opening. In the direct-cooling refrigerator, a concentration detection module is arranged on the side wall of a storage compartment. The concentration of the gas which influences the smell of the user is detected in multiple types or in the vicinity of the air return inlet or the air return inlet on the side wall of the storage chamber, the detection position is reasonable to select, the detection result is accurate, and the smell intensity is more sensitive when being changed.
In some embodiments of the present invention, odor in the storage compartment of the refrigerator can be removed by odor intensity. The peculiar smell in the storage room of the refrigerator can be removed by the following method: detecting the odor intensity of the odor in the storage room of the refrigerator; judging whether the odor intensity is greater than a first preset odor threshold value or not; when the odor intensity is larger than or equal to a first preset odor threshold value, the odor removing device of the refrigerator is started to remove the odor in the storage room. Judging whether the odor intensity is less than or equal to a second preset odor threshold value or not; and when the odor intensity is less than or equal to a second preset odor threshold value, closing the odor removing device.
In some embodiments of the present invention, the freshness of food in the storage compartment of the refrigerator can be detected by the intensity of the odor. Specifically, the freshness of food in the storage compartment of the refrigerator can be detected by the following method: detecting the odor intensity of the odor in the storage room of the refrigerator according to a preset time interval; calculating the change rate of the odor intensity; judging whether the change rate is greater than or equal to a first preset value or not; when the change rate is larger than or equal to a first preset value, a signal indicating that the food in the storage room is rotten is output.
Fig. 2 is a schematic configuration diagram of a device 10 for detecting influence of smell on smell in a storage room of a refrigerator according to one embodiment of the present invention. As shown in fig. 2, the embodiment of the present invention further provides a device 10 for detecting the influence of the smell in the storage compartment of the refrigerator on the sense of smell, and the device 10 may also be referred to as a smell intensity acquiring device. The detection device 10 may include a concentration detection module 20, a calculation module 30, and an output module 40.
The concentration detection module 20 may be configured to detect concentrations of a plurality of or more types of gases affecting the smell of the user in the storage compartment of the refrigerator to obtain a plurality of concentration values.
The calculation module 30 may be configured to: and calculating the weighted sum of the plurality of concentration values according to the preset weight coefficient of each type or each type of gas to obtain the odor intensity for representing the influence degree of the odor in the storage room on the smell.
The output module 40 may be configured to output the intensity of the scent.
Further, the detecting device 10 may further include a display module, and the output module 40 is connected to the display module to enable the display module to display the odor intensity. In some alternative embodiments, the output module 40 may be directly electrically connected to other devices of the refrigerator, such as a controller, to directly feed back the acquired odor intensity to the refrigerator controller, so that the refrigerator can be controlled and operated according to the odor intensity detected by the detection device 10.
In some embodiments of the present invention, the concentration detecting module 20 may have a detecting probe 21 and is configured to generate an electrical signal by using the substance therein to react with the plurality of types of gases in the storage chamber to calculate the concentration of the plurality of types of gases. The detection device 10 which can make smell in the storage room influence the smell sense is simple in structure, small in size and not occupying too large storage room space.
Fig. 3 is a schematic structural view of a refrigerator according to one embodiment of the present invention. As shown in fig. 3, an embodiment of the present invention further provides a refrigerator, which may include a refrigerator body 60, a door body 70, a refrigeration system, and the detection device 10 in any of the above embodiments. The cabinet 60 defines a storage compartment therein, and the door 70 is configured to open or close the storage compartment. The refrigerating system can be a traditional compression refrigerating system or a semiconductor refrigerating system so as to provide cold energy for the storage chamber. The detection device 10 is disposed in the storage chamber and configured to obtain an odor intensity of the storage chamber, where the odor intensity is used to represent an influence degree of the odor in the storage chamber on the sense of smell. Preferably, the storage compartment is a refrigerated compartment 61, typically having a temperature control range of-5 ℃ to 7 ℃. In some other embodiments, the storage compartment may also be a freezer compartment 62, or a warming compartment 63.
In some embodiments of the present invention, the refrigerator may be an air-cooled refrigerator, and the compartment wall of the storage compartment is provided with an air return opening. The detection device 10 is arranged on the side wall of the storage room, at the air return opening or close to the air return opening. In other embodiments of the present invention, the refrigerator may be a direct-cooling refrigerator, and the detection device 10 is disposed on the top wall or the side wall of the storage compartment.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (7)
1. A method for detecting influence of smell in a storage room of a refrigerator on smell comprises the following steps:
detecting the concentration of a plurality of or a plurality of gases affecting the smell of a user in a storage chamber of the refrigerator to obtain a plurality of concentration values;
calculating the weighted sum of the concentration values according to the preset weight coefficient of each gas or each type of gas to obtain the odor intensity for representing the influence degree of the odor in the storage room on the smell;
the gases include alkane gases, alkene gases, acid gases and amine gases.
2. The detection method according to claim 1, wherein
Detecting the concentration of the multiple or multiple types of gases by using a concentration detection module;
the concentration detection module is arranged in the storage chamber and is configured to utilize substances in the concentration detection module to react with the multiple or multiple types of gases in the storage chamber to generate electric signals so as to calculate the concentration of the multiple or multiple types of gases.
3. The method of claim 2, wherein
The concentration detection module is arranged on the side wall of the storage chamber or at the air return opening or close to the air return opening.
4. A detection device for detecting influence of smell in a storage room of a refrigerator on smell comprises:
the concentration detection module is configured to detect the concentrations of various gases affecting the smell of a user in a storage room of the refrigerator so as to obtain a plurality of concentration values; and
a computing module configured to: and calculating the weighted sum of the concentration values according to the preset weight coefficient of each gas or each type of gas to obtain the odor intensity for representing the influence degree of the odor in the storage room on the smell.
5. The detection device of claim 4, wherein
The concentration detection module is provided with a detection probe and is configured to utilize substances in the detection probe to react with the multiple or multiple types of gases in the storage chamber to generate electric signals so as to calculate the concentration of the multiple or multiple types of gases.
6. A refrigerator, comprising:
the refrigerator comprises a refrigerator body, a storage compartment and a storage box, wherein the refrigerator body is internally limited with the storage compartment;
the detection device of claim 4 or 5, disposed in the storage chamber, configured to obtain an odor intensity of the storage chamber, wherein the odor intensity is used to represent a degree of influence of the odor in the storage chamber on the sense of smell.
7. The refrigerator of claim 6, wherein
An air return opening is formed in the chamber wall of the storage chamber;
the detection device is arranged at the air return opening or close to the air return opening.
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