CN112816029A - Container shape recognition method, water outlet control method and water treatment device - Google Patents

Container shape recognition method, water outlet control method and water treatment device Download PDF

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Publication number
CN112816029A
CN112816029A CN202011638099.XA CN202011638099A CN112816029A CN 112816029 A CN112816029 A CN 112816029A CN 202011638099 A CN202011638099 A CN 202011638099A CN 112816029 A CN112816029 A CN 112816029A
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China
Prior art keywords
container
water
water outlet
liquid level
value
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CN202011638099.XA
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Chinese (zh)
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CN112816029B (en
Inventor
杨彬
魏中科
全永兵
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Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Priority to CN202011638099.XA priority Critical patent/CN112816029B/en
Publication of CN112816029A publication Critical patent/CN112816029A/en
Priority to PCT/CN2021/119665 priority patent/WO2022142508A1/en
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    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A47J31/4457—Water-level indicators

Abstract

The invention provides a container shape recognition method, a water outlet control method and a water processor, wherein the container shape recognition method comprises the following steps: injecting water into the container by the water outlet assembly to obtain the liquid level change value of the container; and determining the shape parameter of the container according to the liquid level change value and the depth value. The shape parameter of the container can be determined through the liquid level change value and the depth value, the type of the cup body can be determined after the shape of the cup body is known, so that when the water outlet assembly is controlled to stop water outlet can be determined, the water receiving work of the water treatment device is automatically completed by the water treatment device, the use convenience of a user to the water treatment device is improved, and the use experience of the user to the water treatment device is favorably improved.

Description

Container shape recognition method, water outlet control method and water treatment device
Technical Field
The invention belongs to the technical field of household electrical appliances, and particularly relates to a container shape recognition method, a water outlet control method and a water processor.
Background
When a user uses the water dispenser to receive water, the user needs to pay attention to the water quantity in the container all the time in order to avoid water overflowing the container, and great inconvenience is brought to the use of the water dispenser.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
In view of the above, a first aspect of the present invention provides a method for identifying a shape of a container, in which a water treatment apparatus includes a water outlet unit for injecting water into the container, and a first detection device for acquiring a liquid level change value and a depth value of the container, the method comprising: controlling a water outlet assembly to inject water into the container to obtain the liquid level change value of the container; and determining the shape parameter of the container according to the liquid level change value and the depth value.
The container shape recognition method provided by the invention is used for the water treatment device, the water treatment comprises a water outlet assembly, when the water outlet assembly is opened, water in the water treatment device is injected into the inner cavity of the container through the water outlet assembly, and when the water is not required to be injected into the inner cavity of the container any more, the water outlet assembly is closed.
The container shape identification method is that a liquid level change value and a container depth value of a container are detected by a first detection device, under the condition that the container depth value is known, the shape of the container can be determined according to the liquid level change value, for example, if the container is in a regular columnar structure, the increasing speed of the liquid level change value of the container is basically kept unchanged, and if the increasing speed of the liquid level change value is different, the shape of different positions of the container is changed, so that the shape parameter of the container can be determined through the liquid level change value and the depth value, after the shape of the cup body is known, the type of the cup body can be determined, so that when the water outlet assembly is controlled to stop discharging water, specifically, when the water outlet assembly is controlled to stop discharging water, the water level in the container can be just positioned at the opening of the container, or the water level in the container is slightly lower than the opening of the container, the water quantity of the cup body is not required to be checked by a user at any time, when the preset water quantity is reached, the water outlet assembly stops water, the water is not easy to overflow from the container, in addition, in the water receiving process, the user can leave the water treatment device or be busy with other affairs, the water treatment device automatically completes water receiving work, the use convenience of the user to the water treatment device is improved, and therefore the use experience of the user to the water treatment device is facilitated.
In addition, according to the container shape recognition method in the above technical solution provided by the present invention, the following additional technical features may be further provided:
in one possible design, the step of determining the shape of the container according to the liquid level variation value and the depth value specifically includes: determining the section variation trend of the container according to the liquid level variation value; and determining the shape parameters of the container according to the section variation trend and the depth value.
In the design, a plurality of liquid level change values can be obtained by obtaining the liquid level change values for a plurality of times, the section change trend of the container can be determined through the liquid level change values, the change trend of the shape of the inner cavity of the container can be determined through the change trend of the section, the section change trend of the container, in particular the section change trend of the inner cavity of the container, the section of the inner cavity of the container can be obtained for a plurality of times, the change trend of the section can be determined through the plurality of sections, the change trend of the shape of the inner cavity of the container can be determined through the change trend of the section, so that the shape of the container can be determined, after the shape of the cup body is obtained, the type of the cup body can be determined without the water quantity which is checked by a user at any time, when the preset water quantity is reached, the water outlet assembly stops water, the water is not easy to overflow, the water treatment ware is automatic to accomplish the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware. In a possible design, the water processor comprises a second detection device, the second detection device is used for acquiring the effluent flow value of the effluent assembly, and the step of determining the section variation trend of the container according to the liquid level variation value specifically comprises the following steps: determining the collection time point of the liquid level change value, and obtaining the effluent flow value at the collection time point; calculating a ratio according to the effluent flow value and the liquid level change value to obtain a sectional area value of the inner cavity of the container at the position of the liquid level; a first cross-sectional trend is determined based on the at least two cross-sectional area values.
In the design, when the time difference of obtaining the liquid level change value twice is short, the height difference of the liquid level values obtained twice is small, when the height difference of the liquid level values is small, the change trend of the inner cavity wall of the container is also small, and the shape formed by the water between the two liquid level values approaches to a columnar structure, so that the upper surface area and the lower surface area of the water column are calculated according to a formula of the columnar structure. The water processor also comprises a second detection device, the second detection device is used for collecting the effluent flow value of the effluent assembly, when the liquid level change value is obtained, the collection time point of the liquid level change value is also obtained, so that the effluent flow value of the collection time point can be determined according to the collection time point, namely, the effluent flow value and the liquid level change value at the collection time point can be simultaneously obtained, the water in the container can be understood as a columnar structure in the time difference of obtaining the liquid level change value twice, therefore, the effluent flow value can be understood as the volume of the columnar structure, the liquid level change value can be understood as the height of the columnar structure, the calculation is carried out through the ratio of the effluent flow value and the liquid level change value, namely, the upper surface area and the lower surface area of the columnar structure can be obtained by dividing the volume of the columnar structure by the height of the columnar structure, the water in the time difference of obtaining the liquid level change value twice can be understood as the columnar structure, therefore, the difference value between the upper surface area and the lower surface area can be ignored, namely, the upper surface area is equal to the upper surface area and the lower surface area, and the ratio is calculated according to the effluent flow value and the liquid level change value so as to obtain the sectional area value of the inner cavity of the container at the position of the liquid level.
The liquid level change value and the water flow value are obtained for multiple times, at least two sectional area values are obtained, the section change trend of the container is determined, the change trend of the shape of the inner cavity of the container can be determined according to the change trend of the section, the shape of the container can be determined, after the shape of the cup body is known, the type of the cup body can be determined without the need of a user to check the water quantity of the cup body at any time, when the preset water quantity is reached, the water outlet assembly stops water outlet, the water is not easy to overflow out of the container, in addition, in the water receiving process, the user can leave a water treatment device or be busy with other matters, the water receiving work of the water treatment device is automatically completed, the use convenience of the user to the water treatment device is improved.
In a possible design, the step of obtaining the liquid level variation value specifically includes: and acquiring the liquid level change value of the container in a first set time interval.
In the design, the section change trend of the inner cavity of the container is determined after the water outlet assembly is controlled to inject water into the inner cavity of the container is specifically limited, specifically, the liquid level change value of the container is determined every first set time, the change trend of the section of the inner cavity of the container is determined according to the liquid level change value, the liquid level value of the container is detected once through the first detection device, the first detection device obtains the first liquid level value after the first set time interval, the liquid level change value is obtained through the difference of the two liquid level values, a plurality of liquid level change values can be obtained through obtaining the liquid level values for many times, the section change trend of the container can be determined through the liquid level change values, the change trend of the shape of the inner cavity of the container can be determined through the change trend of the section, the shape of the container can be determined, and after the shape of the cup body is known, the type of the cup body can be determined without a user, when reaching the predetermined water yield, go out the water subassembly and stop to go out water, water is difficult for overflowing the container, and in the water receiving in-process, the user can leave the water treatment ware or be busy in other affairs, and the water treatment ware is automatic to be accomplished the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
In one possible design, the container shape recognition method further includes: storing the shape parameters of the container in a sample database.
In the design, the sample parameters in the sample library are stored in the sample library in an uploading mode, that is, in the process of determining when to stop filling the container with water, the cup body parameters are determined through the section variation trend, the data obtained by the measurement can form a sample and be stored in the sample library, so that the subsequent filling process of the container with water can be completed according to the sample of the container.
A second aspect of the present invention provides a water treatment method comprising: controlling the water outlet assembly to inject water into the container; acquiring shape parameters of the container by using a container shape identification method in any one of the possible designs; and inquiring the shape parameters in the sample library, and controlling the water outlet assembly to stop injecting water into the container according to the inquiry result. Querying the shape parameter in the sample library, namely querying whether a container matched with the shape parameter exists in the sample library according to the determined container shape, therefore, when the water outlet assembly is controlled to stop water outlet according to the query result, in particular when the water outlet assembly is controlled to stop water outlet, the water level in the container may be just at the opening of the container, or the water level in the container may be slightly below the opening of the container, therefore, the mode of controlling the water outlet assembly to stop water outlet according to the query result does not need a user to check the water quantity of the cup body at any time, when the preset water quantity is reached, the water outlet assembly stops water outlet, the water is not easy to overflow the container, in addition, in the water receiving process, a user can leave the water treatment device or be busy with other affairs, the water treatment device automatically completes water receiving work, the use convenience of the user on the water treatment device is improved, and therefore the use experience of the user on the water treatment device is favorably improved.
In a possible design, the step of controlling the water outlet assembly to stop filling water into the container according to the query result specifically comprises: based on the sample database storing sample parameters corresponding to the shape parameters, controlling the water outlet assembly to stop injecting water into the container according to the sample parameters; and controlling the water outlet assembly to stop injecting water into the container according to the shape parameters based on the fact that the sample database does not store the sample parameters corresponding to the shape parameters.
In the design, the shape parameters are inquired in the sample library, namely whether a container matched with the shape parameters exists in the sample library is inquired according to the determined shape of the container, when the sample parameters matched with the current container are inquired, when the sample parameters are inquired, the water outlet assembly is controlled to stop water outlet according to the sample parameters, specifically, when the water outlet assembly is controlled to stop water outlet, the water level in the container is probably just positioned at the opening of the container or slightly lower than the opening of the container, when the preset water amount is reached, the water outlet assembly stops water outlet, the water is not easy to overflow from the container, the water receiving work of the water processor is automatically completed, the use convenience of the user for the water processor is improved, and therefore the use experience of the user for the water processor is favorably improved.
When the sample database does not store the sample parameters of the container corresponding to the shape parameters, the water stopping time point of the control assembly is estimated according to the shape parameters, and the water can be prevented from overflowing the container, so that the use experience of a user on the water treatment device is improved.
In a possible design, the step of controlling the water outlet assembly to stop filling water into the container according to the sample parameters specifically includes: acquiring a set flow rate of the water outlet assembly; determining a first water outlet duration of the water outlet assembly according to the set flow rate and the sample parameters; and the water outlet assembly injects water into the container for the first water outlet time, and the water outlet assembly is controlled to stop running.
In the design, when the sample database stores the sample parameters matched with the current container, the set flow rate of the water outlet assembly needs to be obtained at the same time, namely the water outlet speed of the water outlet assembly is determined, and then the sample parameters are combined to determine when the container matched with the sample parameters can be filled with water under the condition of the current water outlet speed, namely the first water outlet duration is determined, when the water filling duration of the water outlet assembly reaches the first water outlet duration, the water filling is completed, and at this moment, the water outlet assembly is controlled to stop running. The water treatment ware is automatic to accomplish the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
In a possible design, the step of controlling the water outlet assembly to stop filling water into the container according to the shape parameter specifically comprises: determining a set liquid level value of the inner cavity of the container according to the depth value; determining a second water outlet time length according to the set liquid level value and the first section variation trend; and timing the water outlet assembly to fill water into the container for the second water outlet time, and/or controlling the water outlet assembly to stop filling water into the container when the collected liquid level value of the inner cavity of the container reaches the set liquid level value.
In the design, when sample parameters matched with a current container are not stored in a sample library, the depth value of the container is determined, the set liquid level value of an inner cavity of the container is determined according to the depth value, namely after the depth of the container is determined, the required water injection height is estimated, namely the set liquid level value is smaller than the depth value of the container, then the shape of the container is estimated according to the first section variation trend, the second water outlet time length reaching the set liquid level value is estimated according to the shape of the container, and when the water injection time of the water outlet assembly reaches the second water outlet time length, the water outlet assembly is controlled to stop running. The water treatment ware is automatic to accomplish the water receiving work, improves the convenience of use of user to the water treatment ware. Or the liquid level value of the inner cavity of the container is collected at any time, and when the collected liquid level value reaches the set liquid level value, the water outlet assembly is controlled to stop running. The water treatment ware is automatic to accomplish the water receiving work, improves the convenience of use of user to the water treatment ware.
A third aspect of the present invention provides a water treatment apparatus comprising: a housing; the water outlet assembly is arranged in the shell and used for injecting water into the container; the first detection device is arranged on the shell and used for acquiring the liquid level value of the container and/or the depth value of the inner cavity of the container; and the control device is connected with the first detection device and the water outlet assembly and used for controlling the water outlet assembly to operate, acquiring a liquid level change value and determining the shape parameters of the container according to the liquid level change value and the depth value. .
Under the condition that the depth value of the container is known, the shape of the container can be determined according to the liquid level change value, for example, if the container is in a regular columnar structure, the increasing speed of the liquid level change value of the container should be kept basically unchanged, and if the increasing speed of the liquid level change value is different, the shape of different positions of the container is changed, so that the shape parameter of the container can be determined through the liquid level change value and the depth value, after the shape of the cup body is known, the type of the cup body can be determined, so that when the water outlet assembly is controlled to stop water outlet, the water level in the container can be just positioned at the opening of the container or slightly lower than the opening of the container, when the preset water amount is reached, the water outlet assembly stops water outlet, the water is not easy to overflow the container, and the water processor automatically finishes water receiving work, the convenience of the user to the water treatment device is improved, and the use experience of the user to the water treatment device is improved.
In one possible design, the water treatment device further comprises: and the second detection device is arranged at the water outlet end of the water outlet assembly and is used for acquiring the water outlet flow value of the water outlet assembly.
In the design, in the water injection process of the water outlet assembly, the liquid level change value of the container in the first set time is obtained every first set time, when the first set time is short, the height difference of the liquid level values obtained twice is small, when the height difference of the liquid level values is small, the change trend of the inner cavity wall of the container is also small, the liquid level values are obtained at intervals in the first set time, the shape formed by the water between the two liquid level values approaches to a columnar structure, and therefore the upper surface area and the lower surface area of the water column are calculated according to the formula of the columnar structure. The water processor also comprises a second detection device, the second detection device is used for collecting the effluent flow value of the effluent assembly, when the liquid level change value is obtained, the collection time point of the liquid level change value is also obtained, so that the effluent flow value of the first set time can be determined according to the collection time point, namely, the effluent flow value and the liquid level change value of the first set time can be simultaneously obtained, the water in the container in the first set time is understood as a columnar structure, so the effluent flow value can be understood as the volume of the columnar structure, the liquid level change value can be understood as the height of the columnar structure, the calculation is carried out according to the ratio of the effluent flow value and the liquid level change value, namely, the upper surface area and the lower surface area of the columnar structure are obtained by dividing the volume of the columnar structure by the height of the columnar structure, and the water in the container in the first set time is understood as the columnar structure, therefore, the difference value between the upper surface area and the lower surface area can be ignored, namely, the upper surface area is equal to the upper surface area and the lower surface area, and the ratio is calculated according to the effluent flow value and the liquid level change value so as to obtain the sectional area value of the inner cavity of the container at the position of the liquid level.
The liquid level change value and the water outlet flow value are obtained for many times, so that at least two sectional area values are obtained, the section change trend of the container is further determined, the change trend of the shape of the inner cavity of the container can be determined according to the change trend of the section, the shape of the container can be determined, the sample parameters are inquired in the sample library, namely whether a container matched with the container exists or not is inquired in the sample library according to the determined shape of the container, so that when the water outlet assembly is controlled to stop water outlet according to the inquiry result, specifically, when the water outlet assembly is controlled to stop water outlet, the water level in the container is probably just positioned at the opening of the container or slightly lower than the opening of the container, so that the water outlet assembly is controlled to stop water outlet according to the inquiry result without the user needing to check the water volume of the cup body at any time, and when the preset water volume is reached, the container is difficult for overflowing to water, and, at the water receiving in-process, the user can leave the water treatment ware or be busy in other affairs, and the water treatment ware is automatic accomplishes the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
In one possible design, the water treatment device further comprises: the storage device is connected with the control device and is used for storing the shape parameters; and/or a communication device connected with the control device, wherein the communication device is used for sending the shape parameters to the server.
In the design, the sample parameters in the sample library are stored in the sample library in an uploading mode, that is, in the process of determining when to stop filling the container with water, the cup body parameters are determined through the section variation trend, the data obtained by the measurement can form a sample and be stored in the sample library, so that the subsequent filling process of the container with water can be completed according to the sample of the container.
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 one of the flow diagrams of a container shape identification method of one embodiment of the present invention;
FIG. 2 illustrates a second flowchart of a container shape identification method according to an embodiment of the invention;
FIG. 3 is a third schematic flow chart of a container shape recognition method according to an embodiment of the present invention;
FIG. 4 illustrates a fourth flowchart of a container shape identification method of an embodiment of the present invention;
FIG. 5 shows one of the flow diagrams of the effluent control method of one embodiment of the present invention;
FIG. 6 is a second flow chart of a water outlet control method according to an embodiment of the present invention;
FIG. 7 is a third flow chart of a water discharge control method according to an embodiment of the present invention;
FIG. 8 is a fourth flowchart illustrating a water discharge control method according to an embodiment of the present invention;
fig. 9 is a block diagram showing a water treatment apparatus 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.
A vessel shape recognition method, a water discharge control method, and a water treatment apparatus provided according to some embodiments of the present invention will be described below with reference to fig. 1 to 9.
The first embodiment is as follows:
an embodiment of the first aspect of the present invention provides a method for identifying a container shape, in which a water treatment device includes a water outlet unit for filling water into a container, and a first detection device for acquiring a liquid level change value and a depth value of the container, the method including: injecting water into the container by the water outlet assembly to obtain the liquid level change value of the container; and determining the shape parameter of the container according to the liquid level change value and the depth value. As shown in fig. 1, the container shape recognition method includes:
step S102, controlling a water outlet assembly to inject water into the container to obtain a liquid level change value of the container;
and step S104, determining the shape parameters of the container according to the liquid level change value and the depth value.
The container shape recognition method is used for the water treatment device, the water treatment device comprises a water outlet assembly, when the water outlet assembly is opened, water in the water treatment device is injected into an inner cavity of the container through the water outlet assembly, and when the water is not required to be injected into the inner cavity of the container, the water outlet assembly is closed.
The container shape identification method is that a liquid level change value and a container depth value of a container are detected by a first detection device, under the condition that the container depth value is known, the shape of the container can be determined according to the liquid level change value, for example, if the container is in a regular columnar structure, the increasing speed of the liquid level change value of the container is basically kept unchanged, and if the increasing speed of the liquid level change value is different, the shape of different positions of the container is changed, so that the shape parameter of the container can be determined through the liquid level change value and the depth value, after the shape of the cup body is known, the type of the cup body can be determined, so that when the water outlet assembly is controlled to stop discharging water, specifically, when the water outlet assembly is controlled to stop discharging water, the water level in the container can be just positioned at the opening of the container, or the water level in the container is slightly lower than the opening of the container, the water quantity of the cup body is not required to be checked by a user at any time, when the preset water quantity is reached, the water outlet assembly stops water, the water is not easy to overflow from the container, in addition, in the water receiving process, the user can leave the water treatment device or be busy with other affairs, the water treatment device automatically completes water receiving work, the use convenience of the user to the water treatment device is improved, and therefore the use experience of the user to the water treatment device is facilitated.
Further, the step of determining the shape of the container according to the liquid level change value and the depth value specifically comprises: determining the section variation trend of the container according to the liquid level variation value; and determining the shape parameters of the container according to the section variation trend and the depth value.
As shown in fig. 2, the step of determining the shape of the container based on the liquid level variation value and the depth value includes:
step S202, determining the section variation trend of the container according to the liquid level variation value;
and step S204, determining the shape parameters of the container according to the section variation trend and the depth value.
In the embodiment, the liquid level change values are obtained for multiple times to obtain a plurality of liquid level change values, the section change trend of the container can be determined through the liquid level change values, the change trend of the shape of the inner cavity of the container can be determined through the change trend of the section, the section change trend of the container, in particular to the section change trend of the inner cavity of the container, the section of the inner cavity of the container can be obtained for multiple times, the change trend of the section can be determined through the plurality of sections, the change trend of the shape of the inner cavity of the container can be determined through the change trend of the section, so that the shape of the container can be determined, after the shape of the cup body is obtained, the type of the cup body can be determined without a user to check the water quantity of the cup body at any time, when the preset water quantity is reached, the water outlet assembly stops discharging water, the water is not easy to overflow, the water treatment ware is automatic to accomplish the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
Furthermore, the water processor comprises a second detection device, the second detection device is used for collecting the effluent flow value of the effluent assembly, and the step of determining the section variation trend of the container according to the liquid level variation value specifically comprises the following steps: determining the collection time point of the liquid level change value, and obtaining the effluent flow value at the collection time point; calculating a ratio according to the effluent flow value and the liquid level change value to obtain a sectional area value of the inner cavity of the container at the position of the liquid level; determining a section variation trend according to at least two section area values.
As shown in fig. 3, the water treatment device comprises a second detection device, the second detection device is used for collecting the effluent flow value of the effluent assembly, and the step of determining the section variation trend of the container according to the liquid level variation value specifically comprises the following steps:
step S302, determining a collection time point of the liquid level change value, and acquiring an effluent flow value at the collection time point;
step S304, calculating a ratio according to the effluent flow value and the liquid level change value to obtain a sectional area value of the container cavity at the position of the liquid level;
step S306, determining the section variation trend according to at least two section area values.
When the time difference of the liquid level change values obtained twice is short, the height difference of the liquid level values obtained twice is small, when the height difference of the liquid level values is small, the change trend of the inner cavity wall of the container is small, and the shape formed by the water between the two liquid level values approaches to a columnar structure, so that the upper surface area and the lower surface area of the water column are calculated according to a formula of the columnar structure. The water processor also comprises a second detection device, the second detection device is used for collecting the effluent flow value of the effluent assembly, when the liquid level change value is obtained, the collection time point of the liquid level change value is also obtained, so that the effluent flow value of the collection time point can be determined according to the collection time point, namely, the effluent flow value and the liquid level change value at the collection time point can be simultaneously obtained, the water in the container in the first set time duration is understood as a columnar structure, so the effluent flow value can be understood as the volume of the columnar structure, the liquid level change value can be understood as the height of the columnar structure, the calculation is carried out through the ratio of the effluent flow value and the liquid level change value, namely, the upper surface area and the lower surface area of the columnar structure are obtained through dividing the volume of the columnar structure by the height of the columnar structure, the water in the time difference of twice obtaining the liquid level change value can be understood as the columnar structure, therefore, the difference value between the upper surface area and the lower surface area can be ignored, namely, the upper surface area is equal to the upper surface area and the lower surface area, and the ratio is calculated according to the effluent flow value and the liquid level change value so as to obtain the sectional area value of the inner cavity of the container at the position of the liquid level.
The liquid level change value and the water flow value are obtained for multiple times, at least two sectional area values are obtained, the section change trend of the container is determined, the change trend of the shape of the inner cavity of the container can be determined according to the change trend of the section, the shape of the container can be determined, after the shape of the cup body is known, the type of the cup body can be determined without the need of a user to check the water quantity of the cup body at any time, when the preset water quantity is reached, the water outlet assembly stops water outlet, the water is not easy to overflow out of the container, in addition, in the water receiving process, the user can leave a water treatment device or be busy with other matters, the water receiving work of the water treatment device is automatically completed, the use convenience of the user to the water treatment device is improved.
Example two:
on the basis of the first embodiment, as shown in fig. 4, the method for identifying the shape of the container includes:
step S402, controlling a water outlet assembly to start water injection to the container, and acquiring a liquid level change value of the container in a first set time interval;
and S404, determining the shape parameter of the container according to the liquid level change value and the depth value.
In the embodiment, the method specifically defines that the cross section change trend of the inner cavity of the container is determined after the water outlet assembly is controlled to inject water into the inner cavity of the container, specifically, the liquid level change value of the container is determined every first set time, the change trend of the cross section of the inner cavity of the container is determined according to the liquid level change value, the liquid level value of the container is detected once through the first detection device, the first detection device obtains the first liquid level value after the first set time interval, the liquid level change value is obtained by subtracting the two liquid level values, a plurality of liquid level change values can be obtained by obtaining the liquid level values for a plurality of times, the cross section change trend of the container can be determined according to the liquid level change value, the change trend of the shape of the inner cavity of the container can be determined according to the change trend of the shape of the container, the type of the cup body can be determined without a user checking the water amount of the cup body at, when reaching the predetermined water yield, go out the water subassembly and stop to go out water, water is difficult for overflowing the container, and in the water receiving in-process, the user can leave the water treatment ware or be busy in other affairs, and the water treatment ware is automatic to be accomplished the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
Further, the container shape recognition method further includes: storing the shape parameters of the container in a sample database.
The container shape recognition method further includes: storing the shape parameters of the container in a sample database.
The sample parameters in the sample library are stored in the sample library in an uploading mode, that is, in the process of determining when to stop filling water into the container, the parameters of the cup body are determined through the section variation trend, and the data obtained by the measurement can form a sample and be stored in the sample library so as to complete the process of filling water into the container according to the sample of the container.
Example three:
an embodiment of the second invention provides a water outlet control method, including: controlling the water outlet assembly to inject water into the container; acquiring shape parameters of the container by using a container shape identification method in any one of the possible designs; and inquiring the shape parameters in the sample library, and controlling the water outlet assembly to stop injecting water into the container according to the inquiry result.
As shown in fig. 5, the effluent control method includes:
step S502, controlling a water outlet assembly to inject water into a container;
step S504, collecting shape parameters;
and S506, inquiring the shape parameters in the sample library, and controlling the water outlet assembly to stop injecting water into the container according to the inquiry result.
Querying the shape parameter in the sample library, namely querying whether a container matched with the shape parameter exists in the sample library according to the determined container shape, therefore, when the water outlet assembly is controlled to stop water outlet according to the query result, in particular when the water outlet assembly is controlled to stop water outlet, the water level in the container may be just at the opening of the container, or the water level in the container may be slightly below the opening of the container, therefore, the mode of controlling the water outlet assembly to stop water outlet according to the query result does not need a user to check the water quantity of the cup body at any time, when the preset water quantity is reached, the water outlet assembly stops water outlet, the water is not easy to overflow the container, in addition, in the water receiving process, a user can leave the water treatment device or be busy with other affairs, the water treatment device automatically completes water receiving work, the use convenience of the user on the water treatment device is improved, and therefore the use experience of the user on the water treatment device is favorably improved.
In the above embodiment, the step of controlling the water outlet assembly to stop filling water into the container according to the query result specifically includes: based on the sample database storing sample parameters corresponding to the shape parameters, controlling the water outlet assembly to stop injecting water into the container according to the sample parameters; and controlling the water outlet assembly to stop injecting water into the container according to the shape parameters based on the fact that the sample database does not store the sample parameters corresponding to the shape parameters.
As shown in fig. 6, the effluent control method includes:
step S602, storing sample parameters corresponding to the shape parameters in a sample database, if yes, performing step S604, and if no, performing step S606;
step S604, controlling the water outlet assembly to stop injecting water into the container according to the sample parameters;
and step S606, controlling the water outlet assembly to stop filling water into the container according to the shape parameters.
In the embodiment, the shape parameters are inquired in the sample library, that is, whether a container matched with the shape of the container exists in the sample library is inquired according to the determined shape of the container, when the sample parameters matched with the current container are inquired, when the water outlet assembly is controlled to stop water outlet according to the sample parameters, specifically, when the water outlet assembly is controlled to stop water outlet, the water level in the container may be just located at the opening of the container or slightly lower than the opening of the container, when the preset water amount is reached, the water outlet assembly stops water outlet, the water is not easy to overflow from the container, the water receiving work of the water processor is automatically completed, the use convenience of the user for the water processor is improved, and the use experience of the user for the water processor is improved.
When the sample database does not store the sample parameters of the container corresponding to the shape parameters, the water stopping time point of the control assembly is estimated according to the shape parameters, and the water can be prevented from overflowing the container, so that the use experience of a user on the water treatment device is improved.
In a specific embodiment, the step of controlling the water outlet assembly to stop filling water into the container according to the sample parameter specifically includes: acquiring a set flow rate of the water outlet assembly; determining a first water outlet duration of the water outlet assembly according to the set flow rate and the sample parameters; and the water outlet assembly injects water into the container for the first water outlet time, and the water outlet assembly is controlled to stop running.
As shown in fig. 7, the effluent control method includes:
step S702, acquiring a set flow rate of a water outlet assembly;
step S704, determining a first water outlet duration of the water outlet assembly according to the set flow rate and the sample parameters;
and step S706, the water outlet assembly injects water into the container for a first water outlet time, and the water outlet assembly is controlled to stop running.
In this embodiment, when the sample library stores the sample parameter matched with the current container, the set flow rate of the water outlet assembly needs to be obtained at the same time, that is, the water outlet speed of the water outlet assembly is determined, and then, in combination with the sample parameter, it can be determined when the container matched with the sample parameter can be filled with water at the current water outlet speed, that is, the first water outlet duration is determined, when the water filling duration of the water outlet assembly reaches the first water outlet duration, the water filling is completed, and at this time, the water outlet assembly is controlled to stop operating. The water treatment ware is automatic to accomplish the water receiving work, improves the user to the convenience of use of water treatment ware to be favorable to improving the user and experiencing the use of water treatment ware.
In a specific embodiment, the step of controlling the water outlet assembly to stop filling water into the container according to the shape parameter specifically includes: determining a set liquid level value of the inner cavity of the container according to the depth value; determining a second water outlet time length according to the set liquid level value and the first section variation trend; and timing the water outlet assembly to fill water into the container for the second water outlet time, and/or controlling the water outlet assembly to stop filling water into the container when the collected liquid level value of the inner cavity of the container reaches the set liquid level value.
As shown in fig. 8, the effluent control method includes:
step S802, determining a set liquid level value of the inner cavity of the container according to the depth value;
step S804, determining a second water outlet time length according to the set liquid level value and the section variation trend;
and step S806, timing the time for the water outlet assembly to inject water into the container to reach a second water outlet time, and/or controlling the water outlet assembly to stop injecting water into the container when the collected liquid level value of the inner cavity of the container reaches a set liquid level value.
In the embodiment, when the sample library does not store sample parameters matched with the current container, the depth value of the container is determined, the set liquid level value of the inner cavity of the container is determined according to the depth value, namely after the depth of the container is determined, the required water injection height is estimated, namely the set liquid level value is smaller than the depth value of the container, then the shape of the container is estimated according to the first section variation trend, the second water outlet time length reaching the set liquid level value is estimated according to the shape of the container, and when the water injection time of the water outlet assembly reaches the second water outlet time length, the water outlet assembly is controlled to stop operating. The water treatment ware is automatic to accomplish the water receiving work, improves the convenience of use of user to the water treatment ware. Or the liquid level value of the inner cavity of the container is collected at any time, and when the collected liquid level value reaches the set liquid level value, the water outlet assembly is controlled to stop running. The water treatment ware is automatic to accomplish the water receiving work, improves the convenience of use of user to the water treatment ware.
Example four:
as shown in fig. 9, a water treatment apparatus 100 according to a second embodiment of the present invention includes: the water outlet assembly 120 is arranged in the shell 110, and the water outlet assembly 120 is used for injecting water into the container; the first detection device 130 is arranged on the shell 110, and the first detection device 130 is used for acquiring a liquid level value of the container and/or a depth value of an inner cavity of the container; and the control device 140 is connected with the first detection device 130 and the water outlet assembly 120, and is used for controlling the operation of the water outlet assembly 120, acquiring a liquid level change value, and determining the shape parameter of the container according to the liquid level change value and the depth value.
Under the condition that the depth value of the container is known, the shape of the container can be determined according to the liquid level change value, for example, if the container is in a regular columnar structure, the increasing speed of the liquid level change value of the container is basically kept unchanged, and if the increasing speed of the liquid level change value is different, the shape of different positions of the container is changed, so that the shape parameter of the container can be determined through the liquid level change value and the depth value, after the shape of the cup body is known, the type of the cup body can be determined, so that when the water outlet assembly is controlled to stop water outlet, a user does not need to check the water amount of the cup body at any time, when the preset water amount is reached, the water outlet assembly 120 stops water outlet, the water is not easy to overflow the container, and in the water receiving process, the user can leave the water processor 100 or busy with other affairs, the water receiving work of the water processor 100 is automatically completed, the, thereby being beneficial to improving the use experience of the user to the water processor 100.
The water treatment device in the embodiment can be a water dispenser or a water heater.
Further, the water treatment apparatus 100 further includes: the second detection device is disposed at the water outlet end of the water outlet assembly 120 and is configured to collect a water outlet flow value of the water outlet assembly 110.
In the water injection process of the water outlet assembly 120, the liquid level change value of the container in the first set time is obtained every other first set time, when the first set time is short, the height difference of the liquid level values obtained twice is small, when the height difference of the liquid level values is small, the change trend of the inner cavity wall of the container is also small, the liquid level values are obtained twice at intervals in the first set time, the shape formed by the water between the two liquid level values approaches to a columnar structure, and therefore the upper surface area and the lower surface area of the water column are calculated according to the formula of the columnar structure. The water treatment device 100 further comprises a second detection device, which is configured to collect the effluent flow rate value of the effluent assembly 120, and when the liquid level change value is obtained, also obtain the collection time point of the liquid level change value, so that the effluent flow rate value of the first set time can be determined according to the collection time point, that is, the effluent flow rate value and the liquid level change value at the first set time can be simultaneously obtained, and the water in the container in the first set time can be understood as the columnar structure, so the effluent flow rate value can be understood as the volume of the columnar structure, and the liquid level change value can be understood as the height of the columnar structure, and the calculation is performed according to the ratio of the effluent flow rate value and the liquid level change value, that is, the upper surface area and the lower surface area of the columnar structure can be obtained by dividing the volume of the columnar structure by the height of the columnar structure, and the water in the container in the first set time can be understood as the columnar structure, therefore, the difference value between the upper surface area and the lower surface area can be ignored, namely, the upper surface area is equal to the upper surface area and the lower surface area, and the ratio is calculated according to the effluent flow value and the liquid level change value so as to obtain the sectional area value of the inner cavity of the container at the position of the liquid level.
The liquid level change value and the water outlet flow value are obtained for multiple times, so that at least two sectional area values are obtained, the section change trend of the container is further determined, the change trend of the shape of the inner cavity of the container can be determined according to the change trend of the section, the shape of the container can be determined, the sample parameters are inquired in the sample library, namely whether a container matched with the container exists or not is inquired in the sample library according to the determined shape of the container, so that when the water outlet assembly 120 is controlled to stop water outlet according to the inquiry result, specifically, when the water outlet assembly 120 is controlled to stop water outlet, the water level in the container is probably just positioned at the opening of the container or is slightly lower than the opening of the container, so that the water outlet assembly 120 is controlled to stop water outlet according to the inquiry result without the user needing to check the water volume of the cup body at any time, when the preset water, the container is difficult for overflowing to water, moreover, at the water receiving in-process, the user can leave water treatment ware 100 or be busy with other affairs, and water treatment ware 100 accomplishes the water receiving work automatically, improves the user to water treatment ware 100's convenience of use to be favorable to improving the user and experiencing water treatment ware 100's use.
In one possible embodiment, the water treatment apparatus further comprises: the storage device is connected with the control device and is used for storing the shape parameters; and/or a communication device connected with the control device, wherein the communication device is used for sending the shape parameters to the server.
In this embodiment, the sample parameters in the sample library are stored in the sample library in an uploading manner, that is, in the process of determining when to stop filling the container, the cup parameters are determined through the section variation trend, and the data obtained by this measurement can be formed into a sample to be stored in the sample library, so that the container filling process can be completed according to the sample of the container subsequently.
The specific embodiment is as follows:
a flow sensor and an infrared sensor are installed in the water dispenser.
The flow sensor is capable of acquiring a flow volume V per unit time T.
The infrared sensor is divided into two parts, one is an infrared transmitting device, the other is an infrared receiving device, and the infrared sensor can receive sound waves reflected back through the liquid level.
The principle of pulse distance measurement is that a measuring instrument sends an infrared short pulse signal, the pulse signal returns after being reflected by a target point, and the pulse signal is received by the measuring instrument again after being subjected to twice of a distance to be measured. By measuring the time interval t from emission to reception of the same pulse signal, the detection distance l is c × t/2, where c is the speed of light and t is the time when infrared light is emitted to reception.
The total height H of the container, and the height L of the current liquid level relative to the bottom of the cup, can be measured by infrared sensors.
After water is discharged, the detected liquid level heights are respectively L in the specified time T and two adjacent times at the time point iiAnd Li+1。
The liquid level rise h can be calculated as L per unit time T at the time point ii+1-Li。
Within a reasonable unit time T, the water level rise can be approximately regarded as a standard cylinder, and according to a volume formula V, the section A of a certain time point i can be obtainedi；
A in a continuous time0、A1…AiStoring to go through with time point TiArea A ofiThe variation trend can be obtained;
and when the liquid level reaches the container height H, stopping water outlet, and storing the numerical value of the section A (or uploading the numerical value to a cloud server).
Continuously collecting shape parameters of different containers, continuously comparing the collected parameters with existing parameters in a database when water is discharged every time, and fitting by using a least square method to finally distinguish the containers in different shapes.
When single water is discharged, the cloud sample base is continuously inquired according to the variation trend in the prediction process, after a suitable container is found, the water stopping time is calculated by acquiring the variation trend of the liquid level in the container and combining the height of the container, the height of the liquid level and the flow of water flow, and the water discharging is stopped after the water stopping time is reached.
If the data of the current container cannot be searched in the cloud sample library, the water stopping time is predicted according to the container variation trend collected in real time and in combination with the container height, the flow and the like, the water is continuously corrected in the water outlet process, after the final predicted water stopping time is reached, the water level is detected to reach the water stopping requirement, the water outlet is stopped, and the water stopping reliability is ensured.
The infrared technology is used for identifying the shape of the container, so that the equipment has certain learning capacity, and technical and data support is provided for quantitative water outlet and personalized water outlet.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (12)

1. A method for identifying a shape of a container, wherein the water treatment apparatus includes a water discharge unit for injecting water into the container and a first detection device for acquiring a liquid level change value and a depth value of the container, the method comprising:
controlling the water outlet assembly to inject water into the container to obtain the liquid level change value of the container;
and determining the shape parameter of the container according to the liquid level change value and the depth value.
2. The container shape recognition method according to claim 1,
the step of determining the shape of the container according to the liquid level change value and the depth value specifically includes:
determining the section variation trend of the container according to the liquid level variation value;
and determining the shape parameter of the container according to the section variation trend and the depth value.
3. The method for identifying the shape of the container according to claim 2, wherein the water treatment device comprises a second detection device, the second detection device is used for acquiring the effluent flow value of the effluent assembly, and the step of determining the section variation trend of the container according to the liquid level variation value specifically comprises the following steps:
determining the collection time point of the liquid level change value, and acquiring the effluent flow value at the collection time point;
calculating a ratio according to the effluent flow value and the liquid level change value to obtain a sectional area value of the inner cavity of the container at the position of the liquid level;
and determining the section variation trend according to at least two section area values.
4. The container shape recognition method according to any one of claims 1 to 3, wherein the step of obtaining a liquid level variation value specifically comprises:
and acquiring the liquid level change value of the container within a first set time interval.
5. The container shape recognition method according to any one of claims 1 to 3, further comprising:
storing the shape parameters of the container in a sample database.
6. A method for controlling water outflow, comprising:
controlling the water outlet assembly to inject water into the container;
acquiring shape parameters of a container using the container shape recognition method according to any one of claims 1 to 5;
and querying the shape parameters in a sample library, and controlling the water outlet assembly to stop injecting water into the container according to a query result.
7. The water outlet control method according to claim 6, wherein the step of controlling the water outlet assembly to stop filling water into the container according to the query result specifically comprises:
based on the sample database storing sample parameters corresponding to the shape parameters, controlling the water outlet assembly to stop injecting water into the container according to the sample parameters;
and controlling the water outlet assembly to stop injecting water into the container according to the shape parameters based on the condition that the sample database does not store the sample parameters corresponding to the shape parameters.
8. The method according to claim 7, wherein the step of controlling the water outlet assembly to stop filling water into the container according to the sample parameter specifically comprises:
acquiring a set flow rate of the water outlet assembly;
determining a first water outlet duration of the water outlet assembly according to the set flow rate and the sample parameter;
and the water outlet assembly injects water into the container for the first water outlet time, and controls the water outlet assembly to stop running.
9. The method according to claim 7, wherein the step of controlling the water outlet assembly to stop filling water into the container according to the shape parameter specifically comprises:
determining a set liquid level value of the inner cavity of the container according to the depth value;
determining a second water outlet time length according to the set liquid level value and the first section variation trend;
and timing the time that the water outlet assembly injects water into the container to reach the second water outlet time, and/or collecting the liquid level value of the inner cavity of the container to reach the set liquid level value, and controlling the water outlet assembly to stop injecting water into the container.
10. A water treatment apparatus, comprising:
a housing;
the water outlet assembly is arranged in the shell and is used for injecting water into the container;
the first detection device is arranged on the shell and is used for acquiring a liquid level value of the container and/or a depth value of an inner cavity of the container;
and the control device is connected with the first detection device and the water outlet assembly and used for controlling the water outlet assembly to operate, acquiring a liquid level change value and determining the shape parameter of the container according to the liquid level change value and the depth value.
11. A water treatment apparatus as claimed in claim 10, further comprising:
and the second detection device is arranged at the water outlet end of the water outlet assembly and is used for acquiring the water outlet flow value of the water outlet assembly.
12. The water treatment apparatus according to claim 11, further comprising:
the storage device is connected with the control device and is used for storing the shape parameters; and/or
And the communication device is connected with the control device and is used for sending the shape parameters to a server.
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