WO2019119838A1 - Procédé et dispositif de détection de quantité de stockage, appareil de cuisson, et support d'informations lisible par ordinateur - Google Patents

Procédé et dispositif de détection de quantité de stockage, appareil de cuisson, et support d'informations lisible par ordinateur Download PDF

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Publication number
WO2019119838A1
WO2019119838A1 PCT/CN2018/101291 CN2018101291W WO2019119838A1 WO 2019119838 A1 WO2019119838 A1 WO 2019119838A1 CN 2018101291 W CN2018101291 W CN 2018101291W WO 2019119838 A1 WO2019119838 A1 WO 2019119838A1
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WO
WIPO (PCT)
Prior art keywords
brightness
reserve
area
radiation
visible light
Prior art date
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PCT/CN2018/101291
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English (en)
Chinese (zh)
Inventor
区达理
王志锋
冯江平
刘志才
刘经生
杨保民
Original Assignee
佛山市顺德区美的电热电器制造有限公司
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Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Priority to KR1020207009379A priority Critical patent/KR102355346B1/ko
Priority to JP2020518718A priority patent/JP6876872B2/ja
Publication of WO2019119838A1 publication Critical patent/WO2019119838A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/12—Vessels or pots for table use
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present invention relates to the field of reserve detection technology, and in particular to a reserve detection method, a reserve detection device, a cooking appliance, and a computer readable storage medium.
  • the storage device develops a reserve detection function in order to enhance the user experience when storing materials
  • the specific working principle of various reserve detection schemes is as follows:
  • a plurality of optical sensors having different horizontal positions are disposed on the inner wall of the housing portion of the storage device, and the optical sensor detects the brightness value in the housing portion, wherein the optical sensor covered by the material detects that the brightness value in the housing portion is low, The optical sensor not covered by the material has a higher brightness value in the housing, and the upper surface position of the material is determined according to the sudden change of the brightness value.
  • the set-up detecting component comprises a driving member and an optical sensor disposed on the outer side wall of the accommodating portion, and the driving member drives the optical sensor to continuously move between the top and the bottom of the accommodating portion, thereby continuously detecting any horizontal position in the accommodating portion.
  • the brightness value is moved between the top and the bottom of the housing by the optical sensor, and likewise, the upper surface position of the material is determined based on the sudden change in the brightness value.
  • the present invention aims to solve at least one of the technical problems existing in the prior art or related art.
  • Another object of the present invention is to provide a reserve detecting device.
  • Another object of the present invention is to provide a cooking appliance.
  • Another object of the present invention is to provide a computer readable storage medium.
  • a reserve detecting method includes: generating supplemental radiation and transmitting it into a housing; and after transmitting the complementary radiation, controlling a reserve detecting component to perform material storage Detection.
  • the accuracy and reliability of the material detection can be effectively improved, especially in the case where the ambient light brightness is low.
  • the difference between the brightness of the material covering area and the brightness of the material-free area is small, and therefore, the brightness sudden change point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and it is precisely by the fill light.
  • the radiation increases the brightness of the material-free covering area in the accommodating portion, thereby improving the brightness difference between the material covering area and the material-free covering area, which is favorable for detection accuracy.
  • the range of the complementary radiation is set between 400 nm and 760 nm, that is, the complementary radiation is visible light to compensate for the low brightness of the ambient light.
  • the form of the material may be solid, liquid, liquid crystal or the like.
  • the method for detecting the quantity further comprises: detecting the brightness of the ambient light in the accommodating portion; determining whether the brightness of the ambient light is less than or equal to the preset brightness; determining the ambient light When the brightness is less than or equal to the preset brightness, it is determined that the fill light is generated.
  • the brightness of the ambient light in the housing is detected and compared with the preset brightness to determine whether the light is needed.
  • the fill light radiation is generated to increase the brightness in the housing portion and improve the detection accuracy.
  • the reserve detecting method further comprises: determining a brightness of the complementary light radiation according to a correspondence between the ambient light brightness and the preset fill light radiation brightness.
  • the brightness of the complementary light radiation is determined according to the correspondence between the ambient light brightness and the preset fill light radiance, and the solution for performing the fill light adjustment in the reserve detection process is optimized, thereby maximally saving the compensation.
  • the power consumption of the optical radiation for example, when the ambient light brightness is large, the brightness of the corresponding complementary light radiation is low, and when the ambient light brightness is small, the brightness of the corresponding complementary light radiation is generated.
  • the relationship between the ambient light brightness, the preset brightness, and the brightness of the fill light radiation may be: the preset brightness is less than or equal to the sum of the ambient light brightness and the brightness of the complementary light radiation; Fill light, the ambient light brightness is greater than or equal to the preset brightness.
  • the method for detecting the stored quantity further comprises: the pre-stored visible light sensor detects the brightness value in the accommodating portion when the material is blocked by the material and has no complementary light radiation, and is recorded as Yn;
  • the visible light sensor detects the brightness value in the accommodating portion when it is blocked by the material and has complementary light radiation, and is recorded as Ym;
  • the pre-stored visible light sensor detects the brightness value in the accommodating portion when it is not blocked by the material and has no complementary light radiation, and is recorded as Wn
  • the pre-stored visible light sensor detects the brightness value in the housing when it is not blocked by the material and has complementary light radiation, and is recorded as Wm.
  • the brightness value of the area of the receiving portion is detected, and is recorded as Yn.
  • the brightness value of the area of the accommodating portion is detected, and is recorded as Wn, for determining the brightness sudden change point when no complementary light radiation is required, and when the pre-stored visible light sensor is blocked by the material and has complementary light radiation, the brightness of the area of the accommodating portion is detected.
  • the value is also recorded as Ym.
  • the brightness value of the area of the accommodating portion is detected and recorded as Wm for determining the brightness when the complementary light is required. Discontinuity.
  • the reserve detecting method further comprises: after transmitting the supplemental radiation, controlling the reserve detecting component to perform the detecting of the material reserve, and specifically comprising the following steps: after generating and transmitting the complementary light, recording each a sampled brightness value of the visible light sensor and a corresponding horizontal set position; determining at least one visible light sensor having a brightness less than or equal to Ym, recording the horizontal distribution area as the first area; determining at least one visible light sensor having a brightness greater than or equal to Wm, The horizontal distribution area is recorded as the second area; the critical position between the first area and the second area is determined as the upper surface position of the material.
  • the reserve detection component is controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is corresponding to the corresponding The preset brightness value is compared, and the corresponding preset brightness values are Ym and Wm.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Ym is recorded, and its horizontal distribution area is referred to as a first area
  • at least one visible light sensor whose brightness value is greater than or equal to Wm is sampled, and its horizontal distribution area is referred to as a second area.
  • the visible light sensor below the upper surface of the material is covered, so that the detected sample brightness value in the area is smaller than the uncovered sampled brightness value, thereby determining the first area and the second area, and the first area is The critical position between the second regions (corresponding to the sudden change in brightness) determines the top surface position of the material.
  • the reserve detecting component controls the material storage, and specifically includes the following steps: recording the sampling brightness of each visible light sensor after the complementary radiation is not generated. a value and a corresponding horizontal setting position; determining at least one visible light sensor having a brightness less than or equal to Yn, recording a horizontal distribution area thereof as a third area; determining at least one visible light sensor having a brightness greater than or equal to Wn, and recording the horizontal distribution area as The fourth region; determining the critical position between the third region and the fourth region is the upper surface position of the material.
  • the reserve detection component is directly controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is compared. Corresponding preset brightness values are compared, and the corresponding preset brightness values are Yn and Wn.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Yn is recorded, and its horizontal distribution area is referred to as a third area
  • at least one visible light sensor whose brightness value is greater than or equal to Wn is sampled, and its horizontal distribution area is referred to as a fourth area.
  • the reserve of the material is usually a capacity value.
  • the horizontal cross-sectional area of the receiving part is a pre-stored fixed value, and when determining the height value of the upper surface of the material, the height value and the horizontal cross-sectional area are calculated. The product between them is the reserve.
  • any one of the above technical solutions preferably, after detecting and determining the material reserves in the accommodating portion, generating the reserve prompt information corresponding to the material storage, and/or sending the reserve prompt information.
  • the terminal device may be a mobile phone, a tablet computer, a server, and a smart home control terminal.
  • the wavelength band of the complementary light radiation ranges from 400 nm to 760 nm.
  • a reserve detecting device includes: a light control unit configured to generate supplemental radiation and transmitted into the housing; and a control unit configured to transmit the fill light After the radiation, the reserve detection component is controlled to perform the detection of the material reserve.
  • the accuracy and reliability of the material detection can be effectively improved, especially in the case where the ambient light brightness is low.
  • the difference between the brightness of the material covering area and the brightness of the material-free area is small, and therefore, the brightness sudden change point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and it is precisely by the fill light.
  • the radiation increases the brightness of the material-free covering area in the accommodating portion, thereby improving the brightness difference between the material covering area and the material-free covering area, which is favorable for detection accuracy.
  • the range of the complementary radiation is set between 400 nm and 760 nm, that is, the complementary radiation is visible light to compensate for the low brightness of the ambient light.
  • the form of the material may be solid, liquid, liquid crystal or the like.
  • control unit is further configured to: detect ambient light brightness in the accommodating portion;
  • the reserve detecting device further includes: a determining unit, configured to determine the ambient light brightness Whether it is less than or equal to the preset brightness;
  • the light control unit is further configured to: determine to generate the supplemental radiation when determining that the ambient light brightness is less than or equal to the preset brightness.
  • the ambient light in the housing is detected and compared with the preset brightness to determine whether or not the fill light is required.
  • the fill light radiation is generated to increase the brightness in the housing portion and improve the detection accuracy.
  • the method further includes: a determining unit, configured to determine a brightness of the fill light radiation according to a correspondence between the ambient light brightness and a preset fill light radiance.
  • the brightness of the complementary light radiation is determined according to the correspondence between the ambient light brightness and the preset fill light radiance, and the solution for performing the fill light adjustment in the reserve detection process is optimized, thereby maximally saving the compensation.
  • the power consumption of the optical radiation for example, when the ambient light brightness is large, the brightness of the corresponding complementary light radiation is low, and when the ambient light brightness is small, the brightness of the corresponding complementary light radiation is generated.
  • the relationship between the ambient light brightness, the preset brightness, and the brightness of the fill light radiation may be: the preset brightness is less than or equal to the sum of the ambient light brightness and the brightness of the complementary light radiation; Fill light, the ambient light brightness is greater than or equal to the preset brightness.
  • the method further includes: a pre-stored unit for detecting a brightness value in the accommodating portion when the visible light sensor is blocked by the material and without the complementary light radiation, and is recorded as Yn;
  • the pre-stored unit is further configured to: pre-store the visible light sensor to detect a brightness value in the accommodating portion when the material is occluded by the material and have the complementary light radiation, and record it as Ym;
  • the pre-stored unit is further configured to: pre-store the The visible light sensor detects the brightness value in the receiving portion when it is not blocked by the material and does not have the complementary light radiation, and is recorded as Wn;
  • the pre-stored unit is further configured to: pre-store the visible light sensor without being blocked by the material and have In the case of the fill light radiation, the brightness value in the housing portion is detected and recorded as Wm.
  • the brightness value of the area of the receiving portion is detected, and is recorded as Yn.
  • the brightness value of the area of the accommodating portion is detected, and is recorded as Wn, for determining the brightness sudden change point when no complementary light radiation is required, and when the pre-stored visible light sensor is blocked by the material and has complementary light radiation, the brightness of the area of the accommodating portion is detected.
  • the value is also recorded as Ym.
  • the brightness value of the area of the accommodating portion is detected and recorded as Wm for determining the brightness when the complementary light is required. Discontinuity.
  • the method further includes: a recording unit, configured to record a sampled brightness value of each of the visible light sensors and a corresponding horizontal set position after generating and transmitting the fill light radiation; At least one of the visible light sensors for determining that the brightness is less than or equal to the Ym, and the horizontal distribution area thereof is referred to as a first area; the positioning unit is further configured to: determine that the brightness is greater than or equal to at least one of the Wm The visible light sensor has a horizontal distribution area as a second area; the control unit is further configured to: determine a critical position between the first area and the second area as an upper surface position of the material.
  • the reserve detection component is controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is corresponding to the corresponding The preset brightness value is compared, and the corresponding preset brightness values are Ym and Wm.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Ym is recorded, and its horizontal distribution area is referred to as a first area
  • at least one visible light sensor whose brightness value is greater than or equal to Wm is sampled, and its horizontal distribution area is referred to as a second area.
  • the visible light sensor below the upper surface of the material is covered, so that the detected sample brightness value in the area is smaller than the uncovered sampled brightness value, thereby determining the first area and the second area, and the first area is The critical position between the second regions (corresponding to the sudden change in brightness) determines the top surface position of the material.
  • the method further includes: a recording unit, configured to record a sampled brightness value and a corresponding horizontal set position of each of the visible light sensors after generating the fill light radiation; At least one of the visible light sensors for determining that the brightness is less than or equal to the Yn, and the horizontal distribution area thereof is referred to as a third area; the positioning unit is further configured to: determine that the brightness is greater than or equal to at least one of the Wn The visible light sensor records its horizontal distribution area as the fourth area; the control unit is further configured to: determine that the critical position between the third area and the fourth area is the upper surface position of the material.
  • the reserve detection component is directly controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is compared. Corresponding preset brightness values are compared, and the corresponding preset brightness values are Yn and Wn.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Yn is recorded, and its horizontal distribution area is referred to as a third area
  • at least one visible light sensor whose brightness value is greater than or equal to Wn is sampled, and its horizontal distribution area is referred to as a fourth area.
  • the reserve of the material is usually a capacity value.
  • the horizontal cross-sectional area of the receiving part is a pre-stored fixed value, and when determining the height value of the upper surface of the material, the height value and the horizontal cross-sectional area are calculated. The product between them is the reserve.
  • any one of the above technical solutions preferably, after detecting and determining the material reserves in the accommodating portion, generating the reserve prompt information corresponding to the material storage, and/or sending the reserve prompt information.
  • the terminal device may be a mobile phone, a tablet computer, a server, and a smart home control terminal.
  • the wavelength band of the complementary light radiation ranges from 400 nm to 760 nm.
  • a cooking appliance comprising: the reserve detecting device according to any one of the second aspects of the present invention.
  • the cooking appliance is one of a rice cooker, a soybean milk machine, an electric pressure cooker, an electric kettle, and a wall breaking machine.
  • a computer readable storage medium having stored thereon a computer program, the computer program being executed to implement a reserve detecting method as defined in the first aspect.
  • FIG. 1 shows a schematic flow chart of a method of detecting a reserve according to an embodiment of the present invention
  • Figure 2 shows a schematic block diagram of a reserve detecting device in accordance with one embodiment of the present invention
  • FIG. 3 shows a schematic block diagram of a cooking appliance in accordance with one embodiment of the present invention
  • Figure 4 is a block diagram showing the structure of a reserve detecting device according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing the structure of a reserve detecting device according to another embodiment of the present invention.
  • Fig. 6 is a block diagram showing the structure of a reserve detecting device according to another embodiment of the present invention.
  • a reserve detection scheme according to an embodiment of the present invention will be specifically described below with reference to FIGS. 1 through 6.
  • FIG. 1 shows a schematic flow chart of a method of detecting a reserve according to an embodiment of the present invention.
  • a method for detecting a quantity includes: step S102, generating supplemental radiation and transmitting it to the accommodating portion; and step S104, controlling the reserve detecting component to perform material reserve after transmitting the complementary radiant radiation Detection.
  • the accuracy and reliability of the material detection can be effectively improved, especially in the case where the ambient light brightness is low.
  • the difference between the brightness of the material covering area and the brightness of the material-free area is small, and therefore, the brightness sudden change point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and it is precisely by the fill light.
  • the radiation increases the brightness of the material-free covering area in the accommodating portion, thereby improving the brightness difference between the material covering area and the material-free covering area, which is favorable for detection accuracy.
  • the range of the complementary radiation is set between 400 nm and 760 nm, that is, the complementary radiation is visible light to compensate for the low brightness of the ambient light.
  • the form of the material may be solid, liquid, liquid crystal or the like.
  • the method for detecting the quantity further comprises: detecting the brightness of the ambient light in the accommodating portion; determining whether the brightness of the ambient light is less than or equal to the preset brightness; determining the ambient light When the brightness is less than or equal to the preset brightness, it is determined that the fill light is generated.
  • the brightness of the ambient light in the housing is detected and compared with the preset brightness to determine whether the light is needed.
  • the fill light radiation is generated to increase the brightness in the housing portion and improve the detection accuracy.
  • the reserve detecting method further comprises: determining a brightness of the complementary light radiation according to a correspondence between the ambient light brightness and the preset fill light radiation brightness.
  • the brightness of the complementary light radiation is determined according to the correspondence between the ambient light brightness and the preset fill light radiance, and the solution for performing the fill light adjustment in the reserve detection process is optimized, thereby maximally saving the compensation.
  • the power consumption of the optical radiation for example, when the ambient light brightness is large, the brightness of the corresponding complementary light radiation is low, and when the ambient light brightness is small, the brightness of the corresponding complementary light radiation is generated.
  • the relationship between the ambient light brightness, the preset brightness, and the brightness of the fill light radiation may be: the preset brightness is less than or equal to the sum of the ambient light brightness and the brightness of the complementary light radiation; Fill light, the ambient light brightness is greater than or equal to the preset brightness.
  • the method for detecting the stored quantity further comprises: the pre-stored visible light sensor detects the brightness value in the accommodating portion when the material is blocked by the material and has no complementary light radiation, and is recorded as Yn;
  • the visible light sensor detects the brightness value in the accommodating portion when it is blocked by the material and has complementary light radiation, and is recorded as Ym;
  • the pre-stored visible light sensor detects the brightness value in the accommodating portion when it is not blocked by the material and has no complementary light radiation, and is recorded as Wn
  • the pre-stored visible light sensor detects the brightness value in the housing when it is not blocked by the material and has complementary light radiation, and is recorded as Wm.
  • the brightness value of the area of the receiving portion is detected, and is recorded as Yn.
  • the brightness value of the area of the accommodating portion is detected, and is recorded as Wn, for determining the brightness sudden change point when no complementary light radiation is required, and when the pre-stored visible light sensor is blocked by the material and has complementary light radiation, the brightness of the area of the accommodating portion is detected.
  • the value is also recorded as Ym.
  • the brightness value of the area of the accommodating portion is detected and recorded as Wm for determining the brightness when the complementary light is required. Discontinuity.
  • the reserve detecting method further comprises: after transmitting the supplemental radiation, controlling the reserve detecting component to perform the detecting of the material reserve, and specifically comprising the following steps: after generating and transmitting the complementary light, recording each a sampled brightness value of the visible light sensor and a corresponding horizontal set position; determining at least one visible light sensor having a brightness less than or equal to Ym, recording the horizontal distribution area as the first area; determining at least one visible light sensor having a brightness greater than or equal to Wm, The horizontal distribution area is recorded as the second area; the critical position between the first area and the second area is determined as the upper surface position of the material.
  • the reserve detection component is controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is corresponding to the corresponding The preset brightness value is compared, and the corresponding preset brightness values are Ym and Wm.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Ym is recorded, and its horizontal distribution area is referred to as a first area
  • at least one visible light sensor whose brightness value is greater than or equal to Wm is sampled, and its horizontal distribution area is referred to as a second area.
  • the visible light sensor below the upper surface of the material is covered, so that the detected sample brightness value in the area is smaller than the uncovered sampled brightness value, thereby determining the first area and the second area, and the first area is The critical position between the second regions (corresponding to the sudden change in brightness) determines the top surface position of the material.
  • the reserve detecting component controls the material storage, and specifically includes the following steps: recording the sampling brightness of each visible light sensor after the complementary radiation is not generated. a value and a corresponding horizontal setting position; determining at least one visible light sensor having a brightness less than or equal to Yn, recording a horizontal distribution area thereof as a third area; determining at least one visible light sensor having a brightness greater than or equal to Wn, and recording the horizontal distribution area as The fourth region; determining the critical position between the third region and the fourth region is the upper surface position of the material.
  • the reserve detection component is directly controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is compared. Corresponding preset brightness values are compared, and the corresponding preset brightness values are Yn and Wn.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Yn is recorded, and its horizontal distribution area is referred to as a third area
  • at least one visible light sensor whose brightness value is greater than or equal to Wn is sampled, and its horizontal distribution area is referred to as a fourth area.
  • the reserve of the material is usually a capacity value.
  • the horizontal cross-sectional area of the receiving part is a pre-stored fixed value, and when determining the height value of the upper surface of the material, the height value and the horizontal cross-sectional area are calculated. The product between them is the reserve.
  • any one of the above technical solutions preferably, after detecting and determining the material reserves in the accommodating portion, generating the reserve prompt information corresponding to the material storage, and/or sending the reserve prompt information.
  • the terminal device may be a mobile phone, a tablet computer, a server, and a smart home control terminal.
  • the wavelength band of the complementary light radiation ranges from 400 nm to 760 nm.
  • Figure 2 shows a schematic block diagram of a reserve detecting device in accordance with one embodiment of the present invention.
  • a reserve detecting device 200 includes: a light control unit 202 for generating supplemental radiation and transmitting it into the housing; and a control unit 204 for transmitting the After the fill radiation, the reserve detection component is controlled to perform the detection of the material reserve.
  • the accuracy and reliability of the material detection can be effectively improved, especially in the case where the ambient light brightness is low.
  • the difference between the brightness of the material covering area and the brightness of the material-free area is small, and therefore, the brightness sudden change point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and it is precisely by the fill light.
  • the radiation increases the brightness of the material-free covering area in the accommodating portion, thereby improving the brightness difference between the material covering area and the material-free covering area, which is favorable for detection accuracy.
  • the range of the complementary radiation is set between 400 nm and 760 nm, that is, the complementary radiation is visible light to compensate for the low brightness of the ambient light.
  • the form of the material may be solid, liquid, liquid crystal or the like.
  • control unit 204 is further configured to: detect ambient light brightness in the accommodating portion; the reserve detecting device 200 further includes: a determining unit 206, configured to determine the Whether the ambient light brightness is less than or equal to the preset brightness; the light control unit 202 is further configured to: determine to generate the fill light radiation when determining that the ambient light brightness is less than or equal to the preset brightness.
  • the brightness of the ambient light in the housing is detected and compared with the preset brightness to determine whether the light is needed.
  • the fill light radiation is generated to increase the brightness in the housing portion and improve the detection accuracy.
  • the determining unit 208 is configured to determine a brightness of the fill light radiation according to a correspondence between the ambient light brightness and a preset fill light radiance.
  • the brightness of the complementary light radiation is determined according to the correspondence between the ambient light brightness and the preset fill light radiance, and the solution for performing the fill light adjustment in the reserve detection process is optimized, thereby maximally saving the compensation.
  • the power consumption of the optical radiation for example, when the ambient light brightness is large, the brightness of the corresponding complementary light radiation is low, and when the ambient light brightness is small, the brightness of the corresponding complementary light radiation is generated.
  • the relationship between the ambient light brightness, the preset brightness, and the brightness of the fill light radiation may be: the preset brightness is less than or equal to the sum of the ambient light brightness and the brightness of the complementary light radiation; Fill light, the ambient light brightness is greater than or equal to the preset brightness.
  • a pre-stored unit 210 for pre-storing the visible light sensor to detect the brightness value in the receiving portion when occluded by the material and without the complementary light radiation, and is recorded as Yn;
  • the pre-stored unit 210 is further configured to: pre-store the visible light sensor to detect the brightness value in the accommodating portion when the material is blocked by the material and the illuminating radiation, and record it as Ym;
  • the pre-stored unit 210 is further configured to: Pre-storing the visible light sensor to detect a brightness value in the receiving portion when not blocked by the material and without the complementary light radiation, and is recorded as Wn;
  • the pre-stored unit 210 is further configured to: pre-store the visible light sensor is not When the material is occluded and the fill light is irradiated, the brightness value in the housing is detected and recorded as Wm.
  • the brightness value of the area of the receiving portion is detected, and is recorded as Yn.
  • the brightness value of the area of the accommodating portion is detected, and is recorded as Wn, for determining the brightness sudden change point when no complementary light radiation is required, and when the pre-stored visible light sensor is blocked by the material and has complementary light radiation, the brightness of the area of the accommodating portion is detected.
  • the value is also recorded as Ym.
  • the brightness value of the area of the accommodating portion is detected and recorded as Wm for determining the brightness when the complementary light is required. Discontinuity.
  • the method further includes: a recording unit 212, configured to record, after generating and transmitting the fill light radiation, a sampled brightness value and a corresponding horizontal set position of each of the visible light sensors;
  • the unit 214 is configured to determine at least one of the visible light sensors whose brightness is less than or equal to the Ym, and the horizontal distribution area is referred to as a first area;
  • the positioning unit 214 is further configured to: determine that the brightness is greater than or equal to the Wm At least one of the visible light sensors, the horizontal distribution area is referred to as a second area;
  • the control unit 204 is further configured to: determine a critical position between the first area and the second area as the material Surface location.
  • the reserve detection component is controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is corresponding to the corresponding The preset brightness value is compared, and the corresponding preset brightness values are Ym and Wm.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Ym is recorded, and its horizontal distribution area is referred to as a first area
  • at least one visible light sensor whose brightness value is greater than or equal to Wm is sampled, and its horizontal distribution area is referred to as a second area.
  • the visible light sensor below the upper surface of the material is covered, so that the detected sample brightness value in the area is smaller than the uncovered sampled brightness value, thereby determining the first area and the second area, and the first area is The critical position between the second regions (corresponding to the sudden change in brightness) determines the top surface position of the material.
  • the method further includes: a recording unit 212, configured to record a sampled brightness value and a corresponding horizontal set position of each of the visible light sensors after generating the fill light radiation; 214, for determining at least one of the visible light sensors whose brightness is less than or equal to the Yn, and the horizontal distribution area thereof is referred to as a third area; the positioning unit 214 is further configured to: determine that the brightness is greater than or equal to at least the Wn a visible light sensor, the horizontal distribution area thereof is referred to as a fourth area; the control unit 204 is further configured to: determine a critical position between the third area and the fourth area as an upper surface of the material position.
  • the reserve detection component is directly controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is compared. Corresponding preset brightness values are compared, and the corresponding preset brightness values are Yn and Wn.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Yn is recorded, and its horizontal distribution area is referred to as a third area
  • at least one visible light sensor whose brightness value is greater than or equal to Wn is sampled, and its horizontal distribution area is referred to as a fourth area.
  • the reserve of the material is usually a capacity value.
  • the horizontal cross-sectional area of the receiving part is a pre-stored fixed value, and when determining the height value of the upper surface of the material, the height value and the horizontal cross-sectional area are calculated. The product between them is the reserve.
  • any one of the above technical solutions preferably, after detecting and determining the material reserves in the accommodating portion, generating the reserve prompt information corresponding to the material storage, and/or sending the reserve prompt information.
  • the terminal device may be a mobile phone, a tablet computer, a server, and a smart home control terminal.
  • the wavelength band of the complementary light radiation ranges from 400 nm to 760 nm.
  • the light control unit 202 can be a light source such as an LED, an LCD, or an OLED.
  • the control unit 204, the determining unit 208, and the positioning unit 214 can be logic controllers such as an MCU, a CPU, a single chip microcomputer, and an embedded device.
  • the determining unit 206 can be a comparator.
  • the pre-stored unit 210 and the recording unit 212 may be peripheral memory or built-in memory such as RAM, ROM, flash memory, cache, and the like.
  • FIG. 3 shows a schematic block diagram of a cooking appliance in accordance with one embodiment of the present invention.
  • a cooking appliance 300 includes a reserve detecting device 200 according to any one of the technical solutions shown in FIG. 2.
  • the cooking appliance 300 is one of a rice cooker, a soybean milk machine, an electric pressure cooker, an electric kettle, and a wall breaking machine.
  • Fig. 4 is a block diagram showing the structure of a reserve detecting device according to an embodiment of the present invention.
  • Fig. 5 is a block diagram showing the structure of a reserve detecting device according to another embodiment of the present invention.
  • Fig. 6 is a block diagram showing the structure of a reserve detecting device according to another embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the reserve detecting device 400 includes: a receiving portion 402, which is enclosed by the casing 410 and the upper cover 414 or is an integrally formed storage cavity for holding the storage to be stored.
  • the light source 406A wherein the visible light sensor 408 can be a plurality of discretely disposed photoresistors (different levels), or an optical detector capable of continuously moving from the top P1 of the housing 402 to the bottom P2, thereby enabling non-filling After the light source 406A is turned on, the luminance values at different horizontal positions inside the housing 402 are detected.
  • the visible light sensor 408 can be a plurality of discretely disposed photoresistors (different levels), or an optical detector capable of continuously moving from the top P1 of the housing 402 to the bottom P2, thereby enabling non-filling
  • a complementary light source 406B is additionally disposed on the upper cover 414.
  • the complementary light source 406B is generated to generate compensation.
  • the light radiation 412, in the detection range L12 of the visible light sensor 408, is more accurate than the brightness jump point P0 between the material coverage area L01 and the material coverage area L02, and the horizontal position of the brightness jump point P0 corresponds to the upper surface of the material 408. position.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the reserve detecting device 400 includes: a receiving portion 402, which is enclosed by the casing 410 and the upper cover 414 or is an integrally formed storage cavity for holding the storage to be stored. a material 404; a side wall of the receiving portion 402 is provided with a visible light sensor 408, the top of the receiving portion 402 is provided with a light source 406 with adjustable brightness (emitting visible light radiation), and a light source 406 may be disposed at the opposite side of the visible light sensor 408, wherein
  • the visible light sensor 408 may be a plurality of discretely disposed photoresistors (different in level) or an optical detector capable of continuously moving from the top P1 of the housing 402 to the bottom P2, so that the housing can be detected after the light source 406 is turned on.
  • the control light source 406 When it is detected that the ambient light in the accommodating portion 402 is high, the control light source 406 generates visible light radiation of a rated brightness or does not turn on, and when detecting that the ambient light in the accommodating portion 402 is low, the control light source 406 generates a high-intensity fill light.
  • the radiation 412, in the detection range L12 of the visible light sensor 408, is more accurate than the brightness jump point P0 between the material coverage area L01 and the material coverage area L02, and the horizontal position of the brightness jump point P0 corresponds to the upper surface position of the material 408. .
  • a computer readable storage medium having stored thereon a computer program, the computer program being executed to perform the steps of: generating supplemental radiation and transmitting it into the housing; transmitting the complementary radiation After that, the reserve detection component is controlled to perform the detection of the material reserve.
  • the accuracy and reliability of the material detection can be effectively improved, especially in the case where the ambient light brightness is low.
  • the difference between the brightness of the material covering area and the brightness of the material-free area is small, and therefore, the brightness sudden change point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and it is precisely by the fill light.
  • the radiation increases the brightness of the material-free covering area in the accommodating portion, thereby improving the brightness difference between the material covering area and the material-free covering area, which is favorable for detection accuracy.
  • the range of the complementary radiation is set between 400 nm and 760 nm, that is, the complementary radiation is visible light to compensate for the low brightness of the ambient light.
  • the form of the material may be solid, liquid, liquid crystal or the like.
  • the method for detecting the quantity further comprises: detecting the brightness of the ambient light in the accommodating portion; determining whether the brightness of the ambient light is less than or equal to the preset brightness; determining the ambient light When the brightness is less than or equal to the preset brightness, it is determined that the fill light is generated.
  • the brightness of the ambient light in the housing is detected and compared with the preset brightness to determine whether the light is needed.
  • the fill light radiation is generated to increase the brightness in the housing portion and improve the detection accuracy.
  • the reserve detecting method further comprises: determining a brightness of the complementary light radiation according to a correspondence between the ambient light brightness and the preset fill light radiation brightness.
  • the brightness of the complementary light radiation is determined according to the correspondence between the ambient light brightness and the preset fill light radiance, and the solution for performing the fill light adjustment in the reserve detection process is optimized, thereby maximally saving the compensation.
  • the power consumption of the optical radiation for example, when the ambient light brightness is large, the brightness of the corresponding complementary light radiation is low, and when the ambient light brightness is small, the brightness of the corresponding complementary light radiation is generated.
  • the relationship between the ambient light brightness, the preset brightness, and the brightness of the fill light radiation may be: the preset brightness is less than or equal to the sum of the ambient light brightness and the brightness of the complementary light radiation; Fill light, the ambient light brightness is greater than or equal to the preset brightness.
  • the method for detecting the stored quantity further comprises: the pre-stored visible light sensor detects the brightness value in the accommodating portion when the material is blocked by the material and has no complementary light radiation, and is recorded as Yn;
  • the visible light sensor detects the brightness value in the accommodating portion when it is blocked by the material and has complementary light radiation, and is recorded as Ym;
  • the pre-stored visible light sensor detects the brightness value in the accommodating portion when it is not blocked by the material and has no complementary light radiation, and is recorded as Wn
  • the pre-stored visible light sensor detects the brightness value in the housing when it is not blocked by the material and has complementary light radiation, and is recorded as Wm.
  • the brightness value of the area of the receiving portion is detected, and is recorded as Yn.
  • the brightness value of the area of the accommodating portion is detected, and is recorded as Wn, for determining the brightness sudden change point when no complementary light radiation is required, and when the pre-stored visible light sensor is blocked by the material and has complementary light radiation, the brightness of the area of the accommodating portion is detected.
  • the value is also recorded as Ym.
  • the brightness value of the area of the accommodating portion is detected and recorded as Wm for determining the brightness when the complementary light is required. Discontinuity.
  • the reserve detecting method further comprises: after transmitting the supplemental radiation, controlling the reserve detecting component to perform the detecting of the material reserve, and specifically comprising the following steps: after generating and transmitting the complementary light, recording each a sampled brightness value of the visible light sensor and a corresponding horizontal set position; determining at least one visible light sensor having a brightness less than or equal to Ym, recording the horizontal distribution area as the first area; determining at least one visible light sensor having a brightness greater than or equal to Wm, The horizontal distribution area is recorded as the second area; the critical position between the first area and the second area is determined as the upper surface position of the material.
  • the reserve detection component is controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is corresponding to the corresponding The preset brightness value is compared, and the corresponding preset brightness values are Ym and Wm.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Ym is recorded, and its horizontal distribution area is referred to as a first area
  • at least one visible light sensor whose brightness value is greater than or equal to Wm is sampled, and its horizontal distribution area is referred to as a second area.
  • the visible light sensor below the upper surface of the material is covered, so that the detected sample brightness value in the area is smaller than the uncovered sampled brightness value, thereby determining the first area and the second area, and the first area is The critical position between the second regions (corresponding to the sudden change in brightness) determines the top surface position of the material.
  • the reserve detecting component controls the material storage, and specifically includes the following steps: recording the sampling brightness of each visible light sensor after the complementary radiation is not generated. a value and a corresponding horizontal setting position; determining at least one visible light sensor having a brightness less than or equal to Yn, recording a horizontal distribution area thereof as a third area; determining at least one visible light sensor having a brightness greater than or equal to Wn, and recording the horizontal distribution area as The fourth region; determining the critical position between the third region and the fourth region is the upper surface position of the material.
  • the reserve detection component is directly controlled to detect the material reserve, and the sampled brightness value and the corresponding horizontal set position of each visible light sensor are recorded, and then the sampled brightness value is compared. Corresponding preset brightness values are compared, and the corresponding preset brightness values are Yn and Wn.
  • At least one visible light sensor whose sampling brightness value is less than or equal to Yn is recorded, and its horizontal distribution area is referred to as a third area
  • at least one visible light sensor whose brightness value is greater than or equal to Wn is sampled, and its horizontal distribution area is referred to as a fourth area.
  • the reserve of the material is usually a capacity value.
  • the horizontal cross-sectional area of the receiving part is a pre-stored fixed value, and when determining the height value of the upper surface of the material, the height value and the horizontal cross-sectional area are calculated. The product between them is the reserve.
  • any one of the above technical solutions preferably, after detecting and determining the material reserves in the accommodating portion, generating the reserve prompt information corresponding to the material storage, and/or sending the reserve prompt information.
  • the terminal device may be a mobile phone, a tablet computer, a server, and a smart home control terminal.
  • the wavelength band of the complementary light radiation ranges from 400 nm to 760 nm.
  • the present invention provides a method, a device, a cooking appliance and a computer readable storage medium for controlling a reserve detection component after being sent to the accommodating portion by the supplemental radiation.
  • the detection of material reserves can effectively improve the accuracy and reliability of material detection, especially in the case of low ambient light brightness, the brightness difference between the brightness of the material covering area and the brightness of the material-free area is small. Therefore, the brightness mutation point may be judged to be inaccurate, that is, the upper surface position of the material is inaccurate, and the brightness of the material-free area in the accommodating portion is increased by the fill light radiation, thereby improving the material covering area and The difference in brightness of the material covering area is beneficial to the detection accuracy.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Electric Stoves And Ranges (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne un procédé de détection de quantité de stockage comprenant : la génération d'un rayonnement de lumière supplémentaire et la transmission de ce dernier à une partie de réception; et après la transmission du rayonnement de lumière supplémentaire, la commande d'un ensemble de détection de quantité de stockage pour détecter une quantité de stockage d'un matériau. L'invention concerne également un dispositif de détection de quantité de stockage, un appareil de cuisson et un support d'informations lisible par ordinateur.
PCT/CN2018/101291 2017-12-22 2018-08-20 Procédé et dispositif de détection de quantité de stockage, appareil de cuisson, et support d'informations lisible par ordinateur WO2019119838A1 (fr)

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KR1020207009379A KR102355346B1 (ko) 2017-12-22 2018-08-20 저장량 검출 방법, 장치, 조리 기구 및 컴퓨터 판독 가능 저장매체
JP2020518718A JP6876872B2 (ja) 2017-12-22 2018-08-20 収容量検出方法、装置、調理器具、コンピュータ読み取り可能な記憶媒体、及びプログラム

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CN201711400463.7A CN109959427B (zh) 2017-12-22 2017-12-22 储量检测方法、装置、烹饪器具和计算机可读存储介质

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JP6876872B2 (ja) 2021-05-26
CN109959427B (zh) 2023-10-27

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