CN107560301B - Refrigerator control method and device and refrigerator - Google Patents
Refrigerator control method and device and refrigerator Download PDFInfo
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- CN107560301B CN107560301B CN201710748806.2A CN201710748806A CN107560301B CN 107560301 B CN107560301 B CN 107560301B CN 201710748806 A CN201710748806 A CN 201710748806A CN 107560301 B CN107560301 B CN 107560301B
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Abstract
The invention provides a control method and a control device of a refrigerator and the refrigerator. The control method of the refrigerator comprises the following steps: acquiring the external environment temperature and humidity of the refrigerator in real time; judging a temperature interval where the external environment temperature is located and a humidity interval where the external environment humidity is located; acquiring the duty ratio of the power-on voltage of the heating device corresponding to the temperature interval and the humidity interval according to the temperature interval and the humidity interval; and adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage. By the control method, the duty ratio of the electrified voltage of the heating device is automatically adjusted, the influence of water vapor formed on a lens due to large temperature difference when a camera in a refrigerator takes a picture in motion can be effectively avoided, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator control method, a refrigerator control device and a refrigerator.
Background
With the rapid development of smart homes and internet technologies, the traditional household appliance industry is realizing the intelligent revolution. The refrigerator not only has the function of keeping food fresh, but also has the core function of intellectualization of the refrigerator, and the refrigerator can provide more intelligent services for family members through food management.
However, because the temperature in the refrigerating chamber of the refrigerator is low, the humidity is high, and the temperature of the external environment is high, when a user opens and closes the door, the surface of the camera lens generates serious fog or frosting instantly due to the huge temperature difference between the inside of the refrigerator and the external environment, so that the camera imaging is blurred, food in the refrigerator cannot be clearly seen, and the application of the image recognition technology is seriously influenced.
At present, in the related art, aiming at the problem of fogging and frosting on the surface of a camera lens in a refrigerator, the main control logic is to reserve a period of time for heating a heating device before photographing, and the related art is only suitable for photographing by a static camera, and aiming at photographing by a motion camera, the fogging problem caused by cold and hot alternation is difficult to solve because insufficient time is used for heating.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an aspect of the present invention is to provide a control method of a refrigerator.
Another aspect of the present invention is to provide a control apparatus of a refrigerator.
Another aspect of the present invention is to provide a refrigerator.
In view of the above, the present invention provides a method for controlling a refrigerator, the refrigerator including a camera and a heating device, the heating device being disposed on the camera and used for adjusting a surface temperature of the camera, the method comprising: acquiring the external environment temperature and humidity of the refrigerator in real time; judging a temperature interval where the external environment temperature is located and a humidity interval where the external environment humidity is located; acquiring the duty ratio of the power-on voltage of the heating device corresponding to the temperature interval and the humidity interval according to the temperature interval and the humidity interval; and adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage.
According to the control method of the refrigerator, the temperature and the humidity of the external environment of the refrigerator are obtained in real time, the temperature interval and the humidity interval of the external environment are judged, the duty ratio value of the power-on voltage of the heating device (such as a heating wire) corresponding to the temperature interval and the humidity interval is obtained, and the duty ratio of the power-on voltage of the heating device is adjusted in real time, so that the surface temperature of a camera in the refrigerator is automatically adjusted, the surface temperature of the camera and the external temperature of the refrigerator are always kept approximately balanced, when the refrigerator door is opened for shooting, the influence of water vapor or frost formed on the surface of a lens due to huge temperature difference when the camera shoots in motion is effectively avoided, meanwhile, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced.
In addition, according to the control method of the refrigerator of the present invention, the following additional technical features may be further provided:
in the above technical solution, preferably, the control method further includes: and setting the duty ratio of the electrifying voltage of the heating device corresponding to different temperature intervals and humidity intervals.
In this technical scheme, through setting up the duty ratio value with the heating device circular telegram voltage that the temperature interval and the humidity interval of difference are corresponding, after the temperature interval and the humidity interval of monitoring the humiture of environment and confirming current environment, can directly acquire the duty ratio value of the heating device circular telegram voltage that has set up in advance, and need not further judgement and calculation, alright real-time automatically regulated refrigerator in-box machine surface temperature, the software is realized simply to make the circular telegram duty ratio adjustment to heating device more accurate. For example, the external environment temperature Th of the refrigerator is monitored to be 10 ℃ and the relative humidity RH is 60%, and analysis shows that the current external environment temperature and the current external environment temperature are respectively close to the cold storage temperature and the humidity in the refrigerator, so that the duty ratio of the power-on voltage of the heating device can be set to be a lower value, on one hand, the real-time adjustment of the surface temperature of the camera lens can be realized, the surface temperature of the lens is basically consistent with the external environment temperature, the problem of fog when the camera is moved is avoided, on the other hand, the heating device does not need to work at full power all the time, the power consumption is reduced, the purposes of energy conservation and environmental protection are achieved, the service life of the heating device is prolonged, and the reliability is.
In any of the above technical solutions, preferably, the temperature interval includes: a first temperature interval, the value range of Th is less than or equal to 10 ℃; the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃; a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃; and in the fourth temperature interval, the value range is Th more than 35 ℃.
In this embodiment, it should be understood by those skilled in the art that the temperature intervals include, but are not limited to, a first temperature interval, a second temperature interval, a third temperature interval and a fourth temperature interval, and are preferably divided into the above four temperature intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above technical solutions, preferably, the humidity interval includes: a first humidity interval with RH less than or equal to 55%; a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%; a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%; a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%; and in the fifth humidity interval, the value range is RH > 85%.
In this embodiment, it should be understood by those skilled in the art that the humidity interval includes, but is not limited to, a first humidity interval, a second humidity interval, a third humidity interval, a fourth humidity interval, and a fifth humidity interval, and is preferably divided into the above five humidity intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above technical solutions, preferably, a value range of a duty ratio of the energization voltage of the heating device is: 0 to 95%.
In this technical solution, the value range of the duty ratio of the energization voltage of the heating device includes but is not limited to: 0 to 95%. For example, when the external environment temperature of the refrigerator is high (e.g. 36 ℃) and the external environment humidity is also high (e.g. 87%), the duty ratio of the power-on voltage of the heating device can be set to 100% to achieve the purpose of automatically adjusting the surface temperature of the camera lens in real time and achieving quick adjustment.
The invention also provides a control device of a refrigerator, the refrigerator comprises a camera and a heating device, the heating device is arranged on the camera and is used for adjusting the surface temperature of the camera, the control device comprises: the first acquisition unit is used for acquiring the external environment temperature and humidity of the refrigerator in real time; the judging unit is used for judging a temperature interval where the external environment temperature is located and a humidity interval where the external environment humidity is located; the second acquisition unit is used for acquiring the duty ratio values of the electrifying voltage of the heating device corresponding to the temperature interval and the humidity interval according to the temperature interval and the humidity interval; and the control unit is used for adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage.
According to the control device of the refrigerator, the temperature and the humidity of the external environment of the refrigerator are acquired in real time, the temperature interval and the humidity interval of the external environment are judged, the duty ratio of the power-on voltage of the heating device (such as a heating wire) corresponding to the temperature interval and the humidity interval is acquired, and the duty ratio of the power-on voltage of the heating device is adjusted in real time, so that the surface temperature of a camera in the refrigerator is automatically adjusted, the surface temperature of the camera and the external temperature of the refrigerator are always kept approximately balanced, when the refrigerator door is opened for shooting, the influence of water vapor or frost formed on the surface of a lens due to huge temperature difference when the camera shoots in motion is effectively avoided, meanwhile, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced.
In the above technical solution, preferably, the control device further includes: and the setting unit is used for setting the duty ratio of the electrifying voltage of the heating device corresponding to different temperature intervals and humidity intervals.
In this technical scheme, through setting up the duty ratio value with the heating device circular telegram voltage that the temperature interval and the humidity interval of difference are corresponding, after the temperature interval and the humidity interval of monitoring the humiture of environment and confirming current environment, can directly acquire the duty ratio value of the heating device circular telegram voltage that has set up in advance, and need not further judgement and calculation, alright real-time automatically regulated refrigerator in-box machine surface temperature, the software is realized simply to make the circular telegram duty ratio adjustment to heating device more accurate. For example, the external environment temperature Th of the refrigerator is monitored to be 10 ℃ and the relative humidity RH is 60%, and analysis shows that the current external environment temperature and the current external environment temperature are respectively close to the cold storage temperature and the humidity in the refrigerator, so that the duty ratio of the power-on voltage of the heating device can be set to be a lower value, on one hand, the real-time adjustment of the surface temperature of the camera lens can be realized, the surface temperature of the lens is basically consistent with the external environment temperature, the problem of fog when the camera is moved is avoided, on the other hand, the heating device does not need to work at full power all the time, the power consumption is reduced, the purposes of energy conservation and environmental protection are achieved, the service life of the heating device is prolonged, and the reliability is.
In any of the above technical solutions, preferably, the temperature interval includes: a first temperature interval, the value range of Th is less than or equal to 10 ℃; the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃; a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃; and in the fourth temperature interval, the value range is Th more than 35 ℃.
In this embodiment, it should be understood by those skilled in the art that the temperature intervals include, but are not limited to, a first temperature interval, a second temperature interval, a third temperature interval and a fourth temperature interval, and are preferably divided into the above four temperature intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above technical solutions, preferably, the humidity interval includes: a first humidity interval with RH less than or equal to 55%; a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%; a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%; a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%; and in the fifth humidity interval, the value range is RH > 85%.
In this embodiment, it should be understood by those skilled in the art that the humidity interval includes, but is not limited to, a first humidity interval, a second humidity interval, a third humidity interval, a fourth humidity interval, and a fifth humidity interval, and is preferably divided into the above five humidity intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above technical solutions, preferably, a value range of a duty ratio of the energization voltage of the heating device is: 0 to 95%.
In this technical solution, the value range of the duty ratio of the energization voltage of the heating device includes but is not limited to: 0 to 95%. For example, when the external environment temperature of the refrigerator is high (e.g. 36 ℃) and the external environment humidity is also high (e.g. 87%), the duty ratio of the power-on voltage of the heating device can be set to 100% to achieve the purpose of automatically adjusting the surface temperature of the camera lens in real time and achieving quick adjustment.
The invention also provides a refrigerator, which comprises a camera and a heating device, wherein the heating device is arranged on the camera and used for adjusting the surface temperature of the camera, and the refrigerator also comprises: the control device for the refrigerator in any technical scheme is as follows.
According to the refrigerator of the present invention, the control device of the refrigerator according to any one of the above technical solutions is adopted, so that the technical effects of the control device of the refrigerator are all achieved, and the details are not repeated herein.
In the above technical solution, preferably, the heating device is a heating wire.
In the technical scheme, the heating device comprises but is not limited to a heating wire, preferably, the heating wire is adopted and is matched with a camera or a camera in the refrigerator, so that the low cost, the low power consumption and the small occupied space are realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 illustrates a flowchart of a control method of a refrigerator according to an embodiment of the present invention;
fig. 2 illustrates a flowchart of a control method of a refrigerator according to another embodiment of the present invention;
fig. 3 illustrates a schematic block diagram of a control apparatus of a refrigerator according to an embodiment of the present invention;
fig. 4 illustrates a schematic block diagram of a control apparatus of a refrigerator according to another embodiment of the present invention;
fig. 5 illustrates a schematic block diagram of a refrigerator according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method of a refrigerator according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1, a flow chart of a control method of a refrigerator according to an embodiment of the present invention is schematically illustrated. The refrigerator comprises a camera and a heating device, wherein the heating device is arranged on the camera and used for adjusting the surface temperature of the camera, and the control method comprises the following steps:
104, judging a temperature interval where the external environment temperature is located and a humidity interval where the external environment humidity is located;
and 108, adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage.
The method for controlling the refrigerator provided by the invention comprises the steps of obtaining the temperature and the humidity of the external environment of the refrigerator in real time, judging the temperature interval and the humidity interval of the external environment, obtaining the duty ratio value of the electrifying voltage of the heating device corresponding to the temperature interval and the humidity interval, and adjusting the duty ratio of the electrifying voltage of the heating device (such as a heating wire) in real time, so that the surface temperature of a camera in the refrigerator is automatically adjusted, the surface temperature of the camera and the external temperature of the refrigerator are always kept approximately balanced, when the refrigerator door is opened for shooting, the influence of water vapor or frost formed on the surface of a lens caused by huge temperature difference when the camera shoots in motion is effectively avoided, meanwhile, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced.
As shown in fig. 2, a flow chart of a control method of a refrigerator according to another embodiment of the present invention is schematically illustrated. The refrigerator comprises a camera and a heating device, wherein the heating device is arranged on the camera and used for adjusting the surface temperature of the camera, and the control method comprises the following steps:
and step 208, adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage.
In this embodiment, through setting up the duty ratio value with the heating device circular telegram voltage that the temperature interval and the humidity interval of difference correspond, after the temperature interval and the humidity interval of monitoring the humiture of environment and confirming current environment, can directly acquire the duty ratio value of heating device circular telegram voltage who sets up in advance, and need not further judgement and calculation, alright real-time automatically regulated refrigerator incasement machine surface temperature, the software is realized simply to make the circular telegram duty ratio adjustment to heating device more accurate. For example, the external environment temperature Th of the refrigerator is monitored to be 10 ℃ and the relative humidity RH is 60%, and analysis shows that the current external environment temperature and the current external environment temperature are respectively close to the cold storage temperature and the humidity in the refrigerator, so that the duty ratio of the power-on voltage of the heating device can be set to be a lower value, on one hand, the real-time adjustment of the surface temperature of the camera lens can be realized, the surface temperature of the lens is basically consistent with the external environment temperature, the problem of fog when the camera is moved is avoided, on the other hand, the heating device does not need to work at full power all the time, the power consumption is reduced, the purposes of energy conservation and environmental protection are achieved, the service life of the heating device is prolonged, and the reliability is.
In any of the above embodiments, preferably, the temperature interval includes: a first temperature interval, the value range of Th is less than or equal to 10 ℃; the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃; a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃; and in the fourth temperature interval, the value range is Th more than 35 ℃.
In this embodiment, it should be understood by those skilled in the art that the temperature intervals include, but are not limited to, a first temperature interval, a second temperature interval, a third temperature interval and a fourth temperature interval, and are preferably divided into the above four temperature intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above embodiments, preferably, the humidity zone includes: a first humidity interval with RH less than or equal to 55%; a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%; a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%; a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%; and in the fifth humidity interval, the value range is RH > 85%.
In this embodiment, it should be understood by those skilled in the art that the humidity intervals include, but are not limited to, a first humidity interval, a second humidity interval, a third humidity interval, a fourth humidity interval and a fifth humidity interval, and are preferably divided into the above five humidity intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above embodiments, preferably, the duty ratio value of the energization voltage of the heating device ranges from: 0 to 95%.
In this embodiment, the range of values of the duty ratio value of the energization voltage of the heating device includes, but is not limited to: 0 to 95%. For example, when the external environment temperature of the refrigerator is high (e.g. 36 ℃) and the external environment humidity is also high (e.g. 87%), the duty ratio of the power-on voltage of the heating device can be set to 100% to achieve the purpose of automatically adjusting the surface temperature of the camera lens in real time and achieving quick adjustment.
As shown in fig. 3, a schematic block diagram of a control apparatus of a refrigerator according to one embodiment of the present invention. Wherein, this refrigerator includes camera and heating device, and heating device sets up on the camera for adjust camera surface temperature, this controlling means 300 includes:
a first obtaining unit 302, configured to obtain an external environment temperature and humidity of the refrigerator in real time;
a determining unit 304, configured to determine a temperature range in which the external environment temperature is located and a humidity range in which the external environment humidity is located;
a second obtaining unit 306, configured to obtain, according to the temperature interval and the humidity interval, duty ratios of the heating device energization voltages corresponding to the temperature interval and the humidity interval;
and the control unit 308 is used for adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage.
The control device of the refrigerator provided by the invention can be used for judging the temperature interval and the humidity interval of the external environment by acquiring the temperature and the humidity of the external environment of the refrigerator in real time, acquiring the duty ratio value of the electrifying voltage of the heating device corresponding to the temperature interval and the humidity interval, and adjusting the duty ratio of the electrifying voltage of the heating device (such as a heating wire) in real time, so that the surface temperature of a camera in the refrigerator can be automatically adjusted, the surface temperature of the camera and the external temperature of the refrigerator are always kept approximately balanced, when the refrigerator door is opened for shooting, the influence of water vapor or frost formed on the surface of a lens caused by huge temperature difference when the camera shoots in motion is effectively avoided, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced.
As shown in fig. 4, a schematic block diagram of a control apparatus of a refrigerator according to another embodiment of the present invention. Wherein, this refrigerator includes camera and heating device, and heating device sets up on the camera for adjust camera surface temperature, this controlling means 400 includes:
a first obtaining unit 402, configured to obtain an external environment temperature and humidity of the refrigerator in real time;
a determining unit 404, configured to determine a temperature interval in which the external environment temperature is located and a humidity interval in which the external environment humidity is located;
a second obtaining unit 406, configured to obtain, according to the temperature interval and the humidity interval, duty ratios of the energization voltages of the heating devices corresponding to the temperature interval and the humidity interval;
the control unit 408 is used for adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage;
the setting unit 410 is used for setting the duty ratio of the power-on voltage of the heating device corresponding to different temperature intervals and humidity intervals.
In this embodiment, through setting up the duty ratio value with the heating device circular telegram voltage that the temperature interval and the humidity interval of difference correspond, after the temperature interval and the humidity interval of monitoring the humiture of environment and confirming current environment, can directly acquire the duty ratio value of heating device circular telegram voltage who sets up in advance, and need not further judgement and calculation, alright real-time automatically regulated refrigerator incasement machine surface temperature, the software is realized simply to make the circular telegram duty ratio adjustment to heating device more accurate. For example, the external environment temperature Th of the refrigerator is monitored to be 10 ℃ and the relative humidity RH is 60%, and analysis shows that the current external environment temperature and the current external environment temperature are respectively close to the cold storage temperature and the humidity in the refrigerator, so that the duty ratio of the power-on voltage of the heating device can be set to be a lower value, on one hand, the real-time adjustment of the surface temperature of the camera lens can be realized, the surface temperature of the lens is basically consistent with the external environment temperature, the problem of fog when the camera is moved is avoided, on the other hand, the heating device does not need to work at full power all the time, the power consumption is reduced, the purposes of energy conservation and environmental protection are achieved, the service life of the heating device is prolonged, and the reliability is.
In any of the above embodiments, preferably, the temperature interval includes: a first temperature interval, the value range of Th is less than or equal to 10 ℃; the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃; a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃; and in the fourth temperature interval, the value range is Th more than 35 ℃.
In this embodiment, it should be understood by those skilled in the art that the temperature intervals include, but are not limited to, a first temperature interval, a second temperature interval, a third temperature interval and a fourth temperature interval, and are preferably divided into the above four temperature intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above embodiments, preferably, the humidity zone includes: a first humidity interval with RH less than or equal to 55%; a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%; a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%; a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%; and in the fifth humidity interval, the value range is RH > 85%.
In this embodiment, it should be understood by those skilled in the art that the humidity intervals include, but are not limited to, a first humidity interval, a second humidity interval, a third humidity interval, a fourth humidity interval and a fifth humidity interval, and are preferably divided into the above five humidity intervals according to the specific situation of the environment where the refrigerator is located.
In any of the above embodiments, preferably, the duty ratio value of the energization voltage of the heating device ranges from: 0 to 95%.
In this embodiment, the range of values of the duty ratio value of the energization voltage of the heating device includes, but is not limited to: 0 to 95%. For example, when the external environment temperature of the refrigerator is high (e.g. 36 ℃) and the external environment humidity is also high (e.g. 87%), the duty ratio of the power-on voltage of the heating device can be set to 100% to achieve the purpose of automatically adjusting the surface temperature of the camera lens in real time and achieving quick adjustment.
As shown in fig. 5, a schematic block diagram of a refrigerator according to one embodiment of the present invention. Wherein, this refrigerator 500 includes camera and heating device, and heating device sets up on the camera for adjust camera surface temperature, still include: the control device 502 of the refrigerator according to any of the above embodiments.
The refrigerator 500 provided by the present invention employs the control device 502 of the refrigerator in any of the above embodiments, and thus has all the technical effects of the control device 502 of the refrigerator, and will not be described herein again.
In the above embodiment, preferably, the heating means is a heating wire.
In this embodiment, the heating device includes, but is not limited to, a heating wire, and preferably, the heating wire is adopted to be more matched with a camera or a camera in the refrigerator, so that low cost, low power consumption and small occupied space are realized.
The specific embodiment is as follows: a refrigerator comprises a main control board, a display control board, a camera, a heating wire and a temperature and humidity sensor. The temperature and humidity sensor is used for monitoring the temperature and humidity of the external environment of the refrigerator in real time and is connected with the main control board; the heating wire is arranged on the camera and connected with the display control board.
The control method for automatically adjusting the surface temperature of the camera according to the environmental temperature and humidity of the refrigerator is shown in fig. 6. The control method comprises the following steps:
TABLE 1 corresponding relationship between temperature and humidity intervals and duty ratio of heating wire energization
In the embodiment, the duty ratio of the power-on voltage of the heating device is adjusted in real time by monitoring the temperature and the humidity of the environment, so that the problem that a camera in a refrigerator forms water vapor on a lens to cause an image blur due to the influence of temperature difference when the camera takes a picture in motion can be effectively solved, the resolution and the image recognition rate of the camera are improved, and the power consumption of the camera is reduced. For example, when the temperature and humidity sensor detects that the external environment temperature of the refrigerator is 25 ℃ and the external environment relative humidity is 70%, as can be seen from table 1, the current external environment temperature range is 10 ℃ < Th ≤ 28 ℃, the humidity range is 65% < RH ≤ 75%, and the heating wire energization duty ratio corresponding to the temperature range and the humidity range is 60%, then the display control board can directly obtain a command for controlling the heating wire to operate at an energization duty ratio of 60%, adjust the energization duty ratio of the heating wire in real time, and further control the camera surface temperature, so that the camera surface temperature and the refrigerator external temperature are always kept approximately balanced, and when the refrigerator door is opened for photographing, the problem of fogging of the camera surface is effectively avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A control method of a refrigerator, the refrigerator comprises a camera and a heating device, the heating device is arranged on the camera and is used for adjusting the surface temperature of the camera, and the control method comprises the following steps:
acquiring the external environment temperature and humidity of the refrigerator in real time;
judging a temperature interval in which the external environment temperature is located and a humidity interval in which the external environment humidity is located;
acquiring duty ratios of the power-on voltage of the heating device corresponding to the temperature interval and the humidity interval according to the temperature interval and the humidity interval;
adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage;
setting duty ratios of the energizing voltage of the heating device corresponding to the different temperature intervals and humidity intervals;
the value range of the duty ratio of the electrified voltage of the heating device is as follows: 0 to 95%.
2. The control method of a refrigerator according to claim 1,
the temperature interval includes:
a first temperature interval, the value range of Th is less than or equal to 10 ℃;
the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃;
a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃;
and in the fourth temperature interval, the value range is Th more than 35 ℃.
3. The control method of a refrigerator according to claim 1,
the humidity interval includes:
a first humidity interval with RH less than or equal to 55%;
a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%;
a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%;
a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%;
and in the fifth humidity interval, the value range is RH > 85%.
4. The utility model provides a controlling means of refrigerator, the refrigerator includes camera and heating device, heating device sets up on the camera, be used for adjusting camera surface temperature, its characterized in that, controlling means includes:
the first acquisition unit is used for acquiring the external environment temperature and humidity of the refrigerator in real time;
the judging unit is used for judging a temperature interval where the external environment temperature is located and a humidity interval where the external environment humidity is located;
a second obtaining unit, configured to obtain, according to the temperature interval and the humidity interval, duty ratios of the energization voltages of the heating device corresponding to the temperature interval and the humidity interval;
the control unit is used for adjusting the duty ratio of the electrifying voltage of the heating device in real time according to the duty ratio value of the electrifying voltage;
the setting unit is used for setting the duty ratio of the electrifying voltage of the heating device corresponding to the different temperature intervals and humidity intervals;
the value range of the duty ratio of the electrified voltage of the heating device is as follows: 0 to 95%.
5. The control apparatus of a refrigerator according to claim 4,
the temperature interval includes:
a first temperature interval, the value range of Th is less than or equal to 10 ℃;
the second temperature interval, the value range is more than 10 ℃ and less than or equal to 28 ℃;
a third temperature interval, the value range of which is more than 28 ℃ and less than or equal to 35 ℃;
and in the fourth temperature interval, the value range is Th more than 35 ℃.
6. The control apparatus of a refrigerator according to claim 4,
the humidity interval includes:
a first humidity interval with RH less than or equal to 55%;
a second humidity interval, wherein the value range is more than 55% and RH is less than or equal to 65%;
a third humidity interval, wherein the value range is more than 65% and RH is less than or equal to 75%;
a fourth humidity interval, wherein the value range is more than 75% and RH is less than or equal to 85%;
and in the fifth humidity interval, the value range is RH > 85%.
7. The utility model provides a refrigerator, refrigerator includes camera and heating device, heating device sets up on the camera, be used for the adjustment camera surface temperature, its characterized in that still includes:
the control device of the refrigerator according to any one of claims 4 to 6.
8. The control apparatus of a refrigerator according to claim 7, wherein the heating means is a heating wire.
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| CN208282470U (en) * | 2018-05-25 | 2018-12-25 | 合肥美的智能科技有限公司 | Bin equipment |
| CN110195960B (en) * | 2019-05-30 | 2021-01-08 | 合肥华凌股份有限公司 | Defrosting control method for refrigeration equipment, refrigeration equipment and storage medium |
| CN111182294B (en) * | 2020-01-06 | 2021-11-30 | 杭州九阳小家电有限公司 | Intelligent household appliance control method for improving image quality and intelligent household appliance |
| CN111399592B (en) * | 2020-03-19 | 2021-11-16 | 浙江大华技术股份有限公司 | Moisture-proof method and device |
| CN115097687B (en) * | 2022-07-14 | 2023-10-10 | 东集技术股份有限公司 | Scanning terminal, heating control method, heating control device and storage medium |
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