CN112617595B - Electric heating container and fluid quality detection method - Google Patents
Electric heating container and fluid quality detection method Download PDFInfo
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- CN112617595B CN112617595B CN202011386725.0A CN202011386725A CN112617595B CN 112617595 B CN112617595 B CN 112617595B CN 202011386725 A CN202011386725 A CN 202011386725A CN 112617595 B CN112617595 B CN 112617595B
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- 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
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21083—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water with variable operating parameters, e.g. temperature or boiling period
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
Abstract
The application discloses an electric heating container and a fluid quality detection method. This application detects the vibration range of the kettle body through vibration sensor, the pressure value that bears at the bottom of the pressure sensor collection detection kettle, reaches when predetermineeing amplitude threshold value, and the pressure value reaches and predetermines pressure threshold value at the vibration range, can think the fluid of reinjection in the kettle, and the fluid of reinjection stock solution intracavity is fresh, consequently also is fresh when reaching the boiling point. Herein, whether water in this application can the intellectual detection system kettle is fresh, is favorable to user's healthy drinking water.
Description
Technical Field
The application relates to the technical field of electric heating and fluid quality detection, in particular to an electric heating container and a fluid quality detection method.
Background
Along with the improvement of people's standard of living, also more and more high to the requirement of drinking water quality, more and more judgement quality of water has appeared thereupon whether accords with the detection mode of healthy drinking standard, and along with the development of scientific and technological, more and more people use intelligent electric kettle to boil water simultaneously, make oneself can be simpler, more convenient quick drink healthy water.
Flowing water has self-purification effect, but after pouring into intelligent electric kettle, the hydrone is in quiescent condition for a long time and can become ageing water to the bacterium also can fall into the aquatic, can reduce cell metabolism after the young drinks, influences healthily, can be senesced with higher speed after the old person drinks, and the water of placing for a long time can produce excessive nitrite moreover, has carcinogenic risk.
Therefore, it is necessary to detect whether the water in the kettle is fresh or not, which is related to human health.
Disclosure of Invention
In view of this, the present application provides an electric heating container and a fluid quality detection method, so as to solve the problem of how to detect whether water in an intelligent electric kettle is fresh.
The application provides an electric heating container, includes:
the kettle body comprises a kettle wall and a kettle bottom which form a liquid storage cavity for containing fluid;
the vibration sensor is arranged on one side of the kettle bottom, which is back to the kettle wall, and is used for detecting the vibration amplitude of the kettle body;
the pressure sensor is arranged on one side of the kettle bottom, which is back to the kettle wall, and is used for detecting the pressure value born by the kettle bottom;
the processor is connected with the vibration sensor and the pressure sensor and used for judging whether the vibration amplitude reaches a preset amplitude threshold value or not and whether the pressure value reaches a preset pressure threshold value or not; and if so, judging that the fluid is re-injected into the liquid storage cavity, and judging that the fluid reaching the boiling point is fresh.
Optionally, the electric heating container further comprises an attitude sensor connected with the processor, and before judging whether the vibration amplitude reaches a preset amplitude threshold value and the pressure value reaches a preset pressure threshold value,
the attitude sensor is used for detecting the inclination angle of the kettle body again;
the pressure sensor is used for collecting and detecting the pressure value born by the kettle bottom again;
the processor is used for judging whether the inclination angle reaches a preset inclination angle threshold value and whether a pressure value acquired by the pressure sensor is zero; if so, the processor is used for judging whether the pressure value reaches a preset pressure threshold value after the vibration amplitude reaches a preset amplitude threshold value.
Optionally, the electric heating container further includes at least one auxiliary sensor connected to the processor, and when the vibration amplitude reaches a preset amplitude threshold value and the pressure value reaches a preset pressure threshold value, the processor is configured to receive a sensing parameter acquired by the auxiliary sensor, and determine whether the sensing parameter reaches a corresponding preset threshold value; and if so, judging that the fluid is refilled into the liquid storage cavity.
Optionally, the at least one auxiliary sensor comprises at least one of:
attitude sensor, temperature sensor, sound sensor.
Optionally, the electric heating container further comprises a timer and a temperature sensor respectively connected with the processor,
the temperature sensor is used for detecting whether the fluid reaches a boiling point;
the timer is used for detecting the cooling time after the fluid reaches the boiling point, and the processor is used for judging the aging of the fluid when the cooling time is detected to reach the preset time.
The application provides a fluid quality detection method, which comprises the following steps:
detecting the vibration amplitude of the kettle body through a vibration sensor;
detecting the pressure value born by the kettle bottom through a pressure sensor;
judging whether the vibration amplitude reaches a preset amplitude threshold value or not and whether the pressure value reaches a preset pressure threshold value or not;
if so, judging that the fluid is re-injected into the liquid storage cavity, and judging that the fluid reaching the boiling point is fresh.
Optionally, before determining whether the vibration amplitude reaches a preset amplitude threshold value and the pressure value reaches a preset pressure threshold value,
the fluid quality detection method further comprises the following steps:
detecting the inclination angle of the kettle body through an attitude sensor;
collecting and detecting a pressure value born by the kettle bottom through a pressure sensor;
judging whether the inclination angle reaches a preset inclination angle threshold value and whether the pressure value acquired by the pressure sensor is zero;
if yes, judging whether the pressure value reaches a preset pressure threshold value or not when the vibration amplitude is detected to reach the preset amplitude threshold value.
Optionally, when the vibration amplitude reaches a preset amplitude threshold value and the pressure value reaches a preset pressure threshold value,
the determining that the fluid reaching the boiling point is fresh includes:
receiving sensing parameters acquired by at least one auxiliary sensor, and judging whether the sensing parameters reach corresponding preset threshold values or not;
and if so, judging that the fluid is refilled into the liquid storage cavity.
Optionally, the fluid quality detection method further comprises:
detecting whether the fluid reaches a boiling point;
detecting the cooling time after the fluid reaches the boiling point;
and judging the fluid aging when the cooling time reaches the preset time.
As described above, according to the electric heating container and the fluid quality detection method, the vibration amplitude of the kettle body is detected through the vibration sensor, the pressure value borne by the kettle bottom is collected and detected through the pressure sensor, when the vibration amplitude reaches the preset amplitude threshold value and the pressure value reaches the preset pressure threshold value, the fluid can be considered to be re-injected into the kettle, and the fluid re-injected into the liquid storage cavity is fresh, so that the fluid is fresh when the boiling point is reached.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an electrically heated vessel according to an embodiment of the present application;
fig. 2 is a structural sectional view of the electric heating vessel shown in fig. 1;
FIG. 3 is a schematic view of a portion of an electrically heated vessel according to an embodiment of the present application;
FIG. 4 is a schematic view of an electrically heated vessel of the present application pouring a fluid;
FIG. 5 is a schematic illustration of an electrically heated vessel of the present application filled with fluid;
FIG. 6 is a schematic flow chart illustrating a fluid quality detection method according to a first embodiment of the present disclosure;
FIG. 7 is a schematic flow chart illustrating a fluid quality detection method according to a second embodiment of the present application;
fig. 8 is a schematic flow chart of a fluid quality detection method according to a third embodiment of the present application.
Detailed Description
Whether water in the traditional intelligent electric kettle is fresh or not can not be detected, whether water is fresh or not and whether the water is drunk or not are subjectively judged by a user according to the storage duration of the water in the kettle, and misjudgment is easily caused by subjective factors, so that aged water is misdrunk. In view of the above, the embodiment of the present application provides an electric heating container and a fluid quality detection method, which determine whether the original water in the kettle is poured out by detecting the inclination angle of the kettle body through the attitude sensor, and if the original water is poured out, the fluid re-injected into the liquid storage cavity is fresh, and is also fresh during boiling, so as to be beneficial to healthy drinking of users.
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The following embodiments and their technical features may be combined with each other without conflict.
It should be understood that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the technical solutions of the embodiments and simplifying the description, but do not indicate or imply that the devices or elements must have specific orientations, be constructed in specific orientations, and be operated, and therefore, should not be construed as limiting the scope of the present application.
Referring to fig. 1 to 3, an electric heating container 10 according to an embodiment of the present application may be an electric kettle, a soymilk machine, or the like, and includes a kettle body 11, a processor 12, and various sensors, such as an attitude sensor 131, a vibration sensor 132, a pressure sensor 133, a temperature sensor 134, a sound sensor 135, and a timer 136.
The kettle body 11 comprises a kettle wall 111, a kettle bottom 112, an outer shell 113 and a kettle cover 114.
The main shape of the kettle body 11 is defined by the kettle wall 111, and is, for example, a cylindrical shape with the same diameter at the top and bottom, or a cylindrical shape with a small top and a large bottom. The kettle bottom 112 is fixed at the bottom of the kettle wall 111, the two are assembled to form a liquid storage cavity 115 of the kettle body 11, an opening and a spout 115a are arranged at the upper part of the liquid storage cavity 115, fluid to be heated (such as water, soybean milk or milk and the like) is poured from the opening and contained in the liquid storage cavity 115, the kettle cover 114 can selectively cover the opening of the liquid storage cavity 115, and the fluid can be poured from the spout 115 a. The wall 111 and the bottom 112 may be integrally formed structures, and they may be regarded as the stainless steel inner container of the electric heating container 10 after being assembled. The inner wall of the stainless steel inner container can be coated with an anti-scale coating, such as a ceramic anti-scale coating or a Teflon anti-scale coating, so that particles generated in the heating process of the fluid are prevented from depositing on the inner wall of the stainless steel inner container to form scales.
The outer shell 113 covers the kettle wall 111 and the kettle bottom 112, may be a plastic shell, and may be provided with a handle 113a for a user to hold. The outer shell 113 and the kettle bottom 112 are hollow to form a heating cavity 113b of the electric heating container 10, and the heating cavity is used for accommodating a circuit structure and components of the electric heating container 10, such as a thick film heating assembly.
It should be understood that the specific type of the electric heating container 10, which is not limited in the embodiments of the present application, includes, but is not limited to, an electric heating kettle, a soymilk maker, a temperature-controlled juicer, etc., and correspondingly, the fluid to be heated may be water, soymilk, milk, juice, etc. For convenience of description and clear explanation of the differences from the prior art, water is used as an example in the following description.
In addition, the components disposed in the heating cavity 113b should have an adaptive design according to different types of electric heating vessels 10. For example, the heating cavity 113b may be provided therein with power sockets that may expose power pads to which associated components of a heating assembly (e.g., a thick film heating assembly) are connected for connection to respective power supplies.
The processor 12 is a control center of the electric heating vessel 10, connects the respective electric elements of the electric heating vessel 10 by using various interfaces and lines, performs various functions of the electric heating vessel 10 and processes data by operating or loading a program stored in a memory, and calling up the stored data, thereby performing overall monitoring and heating of the electric heating vessel 10.
The processor 12 and various sensors electrically connected thereto may be disposed at an appropriate position of the electric heating container 10 according to an actual scene, and may be disposed in the heating cavity 113b of the electric heating container 10, or may be assembled in a cavity space between the outer shell 113 and the kettle wall 111, for example, the processor 12 and the timer 136 may be disposed in a handle 113a with a hollow interior, or disposed in the heating cavity 113b below the kettle bottom 112; the posture sensor 131, the vibration sensor 132, the pressure sensor 133, the temperature sensor 134, and the sound sensor 135 may be installed in the heating chamber 113b and attached to the lower side of the pot bottom 112.
The posture sensor 131 is used to detect the inclination angle of the kettle body 11, such as the inclination angle α when water is poured as shown in fig. 4 and the inclination angle β when water is filled as shown in fig. 5, where the inclination angles α and β are the included angles between the central axis O of the kettle body 11 and the normal g, and the normal g is parallel to the gravity direction. The vibration sensor 132 is disposed on a side of the kettle bottom 112 opposite to the kettle wall 111 for detecting the amplitude of the kettle body 11. The pressure sensor 133 is disposed on a side of the kettle bottom 112 opposite to the kettle wall 111, and is used for detecting a pressure value borne by the kettle bottom 112. The temperature sensor 134 is used to detect temperature change information within the reservoir 115. The sound sensor 135 is used to detect sound parameters, such as loudness variation information, within the reservoir 115.
The electric heating container 10 of the embodiment of the present application determines whether the original water (collectively, old water) in the liquid storage cavity 115 is completely poured and whether the water (collectively, new water) is refilled into the liquid storage cavity 115 through some or all types of sensors, and detects whether the water in the kettle and the boiling water are fresh according to the determination. Various embodiments are described herein below.
First embodiment
Referring to fig. 4, 5 and 6, the electric heating container 10 can detect whether the water is fresh by the fluid quality detection method shown in fig. 6.
S11: the inclination angle of the kettle body is detected through the attitude sensor.
S12: and judging whether the inclination reaches a first inclination threshold value.
Referring to fig. 4, if the inclination angle α of the kettle body 11 reaches a first inclination angle threshold value, for example, the first inclination angle threshold value is 85 °, the processor 12 may determine that the old water in the kettle is completely poured, and execute step S13. If the inclination angle α does not reach the first inclination angle threshold, the processor 12 determines that the original water in the reservoir 115 has not been poured out, and may continue to execute step S11.
S13: the amplitude of the kettle body is detected through the vibration sensor, and the temperature change information in the liquid storage cavity is detected through the temperature sensor.
S141: and judging whether the amplitude reaches a preset amplitude threshold value.
S142: and judging whether the temperature in the liquid storage cavity is reduced by a preset threshold value within a preset time.
If the amplitude reaches the preset amplitude threshold and the temperature in the liquid storage cavity drops by the preset threshold within the preset time period, step S15 is executed.
That is to say, the sensing parameters collected by the posture sensor 131, the vibration sensor 132 and the temperature sensor 134 all reach the corresponding preset threshold, and the processor 12 can determine that the water is refilled into the liquid storage cavity 115, and the water in the kettle and the boiled water are fresh.
If the sensing parameters acquired by any one or more of the three sensors do not reach the corresponding preset threshold value, for example, the inclination angle α does not reach the first inclination angle threshold value, the processor 12 determines that the original water in the liquid storage cavity 115 is not poured out; if the amplitude does not reach the predetermined amplitude threshold and/or the temperature in the reservoir 115 does not drop below the predetermined threshold for the predetermined length of time, the processor 12 determines that the kettle is not refilled with water, and then the process continues to step S11.
S15: and judging that the fluid is refilled into the liquid storage cavity, and the fluid reaching the boiling point is fresh.
In the present embodiment, the electric heating container 10 includes at least the processor 12, the posture sensor 131, the vibration sensor 132, and the temperature sensor 134.
Whether original water has been poured in the stock solution chamber 115 through attitude sensor 131, if have been poured, then detect whether to reinject into water in the stock solution chamber 115 through vibration sensor 132 and temperature sensor 134, whether water and boiling water in can the current kettle of intellectual detection system here are fresh, need not that the user subjectively goes to judge whether fresh water, avoids drinking ageing water by mistake.
After water is boiled, the water molecule is in a static state for a long time and can become aging water, bacteria also can fall into the water, the metabolism of cells can be reduced after young people drink the water, the health is influenced, old people can accelerate aging after drinking the water, and the water placed for a long time can produce excessive nitrite, so that the risk of carcinogenesis is caused. In this regard, after boiling the re-injected water in step S15, the embodiment of the present application may further perform steps S16 to S182.
S16: the cooling time after the fluid reaches the boiling point is detected by a timer.
S17: and judging whether the cooling time reaches a preset time.
If yes, go to step S181; if not, go to step S182.
And S181, judging the fluid aging.
S182: and judging the freshness of the fluid.
Accordingly, the electric heating container 10 intelligently recognizes the cooling time of the boiled water through the timer, and is beneficial to preventing a user from drinking aged water which is placed for a long time.
In the embodiment depicted in fig. 6, the sensors transmit the acquired sensing parameters to the processor 12, and the processor 12 performs the aforementioned determining steps.
Before step S15, in order to ensure that the detection result is more accurate, the present embodiment may determine whether to refill water by using the sensing parameters collected by other sensors, in combination with the sensing parameters collected by the vibration sensor 132 and the temperature sensor 134.
In one implementation, the detection is aided by a gesture sensor 131.
Specifically, after steps S141 and S142, please refer to fig. 5, the processor 12 determines whether the inclination angle β of the kettle 11 is smaller than the second inclination angle threshold value by detecting the inclination angle β of the kettle through the posture sensor 131. The second inclination angle threshold is smaller than the first inclination angle threshold, and the specific value can be set according to the actual requirement. If the angle of inclination β is less than the second angle of inclination threshold, the processor 12 determines that the reservoir 115 is refilled with water. If the inclination angle is greater than or equal to the second inclination angle threshold, the processor 12 may determine that water is not injected again, and continue to collect the inclination angle of the kettle body 11.
The present embodiment may assist in detecting the re-injection of water into the reservoir 115 by other types of sensors. So-called other types of sensors may be referred to as auxiliary sensors. Specifically, after steps S141 and S142 and before step S15, the processor 12 receives the sensing parameters collected by at least one auxiliary sensor, and determines whether the sensing parameters reach the corresponding preset threshold; if yes, the fluid is determined to be refilled into the reservoir 115. And if the sensing parameters acquired by any one type of auxiliary sensors do not reach the corresponding preset threshold value, the fluid is judged not to be refilled in the liquid storage cavity 115, and each sensor continues to detect.
In the present embodiment, the auxiliary sensor includes, but is not limited to, at least one of the pressure sensor 133 and the sound sensor 135. Taking the pressure sensor 133 as an example, the pressure sensor 133 collects and detects the pressure value borne by the kettle bottom 112, and if the pressure value gradually increases and does not change after reaching a maximum value, the processor 12 may determine to refill water. Taking the sound sensor 135 as an example, the sound sensor 135 collects the sound intensity in the reservoir 115, and if the sound intensity is decreased from high to low, the processor 12 may determine that water is refilled.
Second embodiment
Referring to fig. 4, 5 and 7, the electric heating container 10 can detect whether the water is fresh by the fluid quality detection method shown in fig. 7.
S21: the inclination angle of the kettle body is detected through the attitude sensor.
S22: and judging whether the inclination reaches a first inclination threshold value.
Referring to fig. 4, if the inclination angle α of the kettle body 11 reaches a first inclination angle threshold value, for example, the first inclination angle threshold value is 85 °, the processor 12 may determine that the old water in the kettle is completely poured, and execute step S13. If the inclination angle α does not reach the first inclination angle threshold, the processor 12 determines that the original water in the reservoir 115 has not been poured out, and may continue to execute step S21.
S23: whether the kettle body is inclined again or not is detected through the attitude sensor, and the inclination angle when the kettle body is inclined again is obtained.
S24: and judging whether the inclination angle acquired again by the attitude sensor is smaller than a second inclination angle threshold value. Wherein the second tilt threshold is less than the first tilt threshold.
If yes, go to step S25. If not, execution may continue to step S23.
In step S24, referring to fig. 5, the processor 12 detects whether to refill the fluid by the attitude sensor 131. The second inclination angle threshold is smaller than the first inclination angle threshold, and the specific value can be set according to the actual requirement. If the angle of inclination β is less than the second angle of inclination threshold, the processor 12 determines that the reservoir 115 is refilled with water. If the inclination angle β is greater than or equal to the second inclination angle threshold, the processor 12 may determine that water is not injected again, and continue to collect the inclination angle of the kettle body 11.
The present embodiment may assist in detecting the re-injection of water into the reservoir 115 by other types of sensors. So-called other types of sensors may be referred to as auxiliary sensors. Specifically, after step S24 and before step S25, the processor 12 receives the sensing parameters collected by at least one auxiliary sensor, and determines whether the sensing parameters reach corresponding preset thresholds; if yes, the fluid is determined to be refilled into the reservoir 115. And if the sensing parameters acquired by any one type of auxiliary sensors do not reach the corresponding preset threshold value, the fluid is judged not to be refilled in the liquid storage cavity 115, and each sensor continues to detect.
In the present embodiment, the auxiliary sensor includes, but is not limited to, at least one of a pressure sensor 133, a sound sensor 135, a vibration sensor 132, and a temperature sensor 134. Taking the pressure sensor 133 as an example, the pressure sensor 133 collects and detects the pressure value borne by the kettle bottom 112, and if the pressure value gradually increases and does not change after reaching a maximum value, it can be determined that water is refilled. Taking the sound sensor 135 as an example, the sound sensor 135 collects the sound intensity in the reservoir 115, and if the sound intensity is decreased from high to low, it can be determined that water is refilled. Taking the vibration sensor 132 as an example, the vibration sensor 132 detects the amplitude of the kettle body 11, and if the amplitude reaches a preset amplitude threshold, it can be determined that water is refilled. Taking the temperature sensor 134 as an example, the temperature change information in the liquid storage cavity 115 is detected by the temperature sensor 134, and if the temperature in the liquid storage cavity 115 decreases within a preset time period by a preset threshold value, it can be determined that water is refilled.
S25: and judging that the fluid is re-injected into the liquid storage cavity and the fluid reaching the boiling point is fresh.
In the present embodiment, the electric heating container 10 includes at least the processor 12 and the attitude sensor 131. Whether the original water in the liquid storage cavity 115 is poured out or not is detected through the attitude sensor 131, if the original water is poured out, the water re-injected into the kettle and the boiling water are judged to be fresh, the condition that whether the water is fresh or not is judged subjectively by a user, and the aged water is prevented from being drunk by mistake.
After water is boiled, the water molecule is in a static state for a long time and can become aging water, bacteria also can fall into the water, the metabolism of cells can be reduced after young people drink the water, the health is influenced, old people can accelerate aging after drinking the water, and the water placed for a long time can produce excessive nitrite, so that the risk of carcinogenesis is caused. In this regard, after boiling the re-injected water in step S25, the embodiment of the present application may further perform steps S26 to S282.
S26: the cooling time after the fluid reaches the boiling point is detected by a timer.
S27: and judging whether the cooling time reaches a preset time.
If yes, go to step S281; if not, go to step S282.
And S281, judging the fluid aging.
S282: and judging the freshness of the fluid.
Accordingly, the electric heating container 10 intelligently recognizes the cooling time of the boiled water through the timer, and is beneficial to preventing a user from drinking aged water which is placed for a long time.
Third embodiment
Referring to fig. 4, 5 and 8, the electric heating container 10 can detect whether the water is fresh by the fluid quality detection method shown in fig. 8.
S31: the vibration amplitude of the kettle body is detected through the vibration sensor, and the pressure value born by the kettle bottom is detected through the pressure sensor.
S321: and judging whether the amplitude reaches a preset amplitude threshold value.
S322: and judging whether the pressure value reaches a preset pressure threshold value.
If the amplitude reaches the predetermined amplitude threshold and the pressure value reaches the predetermined pressure threshold, step S33 is executed. That is, the vibration sensor 132 and the pressure sensor 133, and the sensing parameters collected by the two sensors reach the corresponding preset threshold, the processor 12 can determine that the water is refilled into the liquid storage cavity 115, and the water in the kettle and the boiled water are fresh.
If the sensed parameters acquired by any one or more of the two sensors do not reach the corresponding preset threshold, the processor 12 may continue to execute step S31.
S33: and judging that the fluid is refilled into the liquid storage cavity, and the fluid reaching the boiling point is fresh.
The difference from the previous embodiment is that the present embodiment detects whether water is injected into the kettle by two sensors, i.e., the vibration sensor 132 and the pressure sensor 133, without the posture sensor 131 and the like. Electrically heated vessel 10 includes at least processor 12, vibration sensor 132, and pressure sensor 133.
Of course, the present embodiment can also detect whether the original water in the kettle is poured out before the water is poured out, so as to avoid the influence on the water quality caused by the mixing of the old water and the new water. The details are as follows.
Before step S31, the fluid quality detection method further includes the steps of:
detecting the inclination angle of the kettle body through an attitude sensor, and acquiring and detecting a pressure value born by the kettle bottom through a pressure sensor;
judging whether the inclination angle reaches a preset inclination angle threshold (namely the first inclination angle threshold) and whether the pressure value acquired by the pressure sensor is zero; and
if yes, it means that the old water is poured out, step S31 is executed, or when it is detected that the vibration amplitude reaches the preset amplitude threshold value, it is determined whether the pressure value reaches the preset pressure threshold value.
After water is boiled, the water molecule is in a static state for a long time and can become aging water, bacteria also can fall into the water, the metabolism of cells can be reduced after young people drink the water, the health is influenced, old people can accelerate aging after drinking the water, and the water placed for a long time can produce excessive nitrite, so that the risk of carcinogenesis is caused. In this regard, after boiling the re-injected water in step S33, the present embodiment may further perform steps S34 to S362.
S34: the cooling time after the fluid reaches the boiling point is detected by a timer.
S35: and judging whether the cooling time reaches a preset time.
If yes, go to step S361; if not, go to step S362.
And S361, judging the aging of the fluid.
S362: and judging the freshness of the fluid.
Accordingly, the electric heating container 10 intelligently recognizes the cooling time of the boiled water through the timer, and is beneficial to preventing a user from drinking aged water which is placed for a long time.
The present embodiment may assist in detecting the re-injection of water into the reservoir 115 by other types of sensors. So-called other types of sensors may be referred to as auxiliary sensors. Specifically, after steps S321 and S322 and before step S33, the processor 12 receives the sensing parameters collected by at least one auxiliary sensor, and determines whether the sensing parameters reach the corresponding preset threshold; if yes, the fluid is determined to be refilled into the reservoir 115. And if the sensing parameters acquired by any one type of auxiliary sensors do not reach the corresponding preset threshold value, the fluid is judged not to be refilled in the liquid storage cavity 115, and each sensor continues to detect.
The auxiliary sensor includes, but is not limited to, at least one of an attitude sensor 131, a temperature sensor 134, and a sound sensor 135. Taking the attitude sensor 131 as an example, whether the kettle body is tilted again is detected by the attitude sensor 131, the tilt angle when the kettle body 11 is tilted again is obtained, whether the tilt angle β obtained again by the attitude sensor 131 is smaller than a preset tilt angle threshold (the second tilt angle threshold) is judged, and if yes, it can be judged that water is refilled. Taking the temperature sensor 134 as an example, the temperature change information in the liquid storage cavity 115 is detected by the temperature sensor 134, and if the temperature in the liquid storage cavity 115 decreases within a preset time period by a preset threshold value, it can be determined that water is refilled. Taking the sound sensor 135 as an example, the sound sensor 135 collects the sound intensity in the reservoir 115, and if the sound intensity is decreased from high to low, it can be determined that water is refilled.
On the basis of the description of any of the foregoing embodiments, after it is determined that the fluid is aged, the electric heating container 10 may prompt the user to prevent the user from drinking aged water in the pot.
In one implementation, the electrically heated vessel 10 may be provided with a lid 114 and/or a display screen 137 connected to the processor 12.
The processor 12 controls the display screen 137 to indicate whether the fluid is fresh, such as by displaying a text "water not fresh, no drink" directly on the display screen 137, and setting the color, brightness, and/or background color of the text to facilitate alerting the user.
Although the invention has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. The present invention includes all such modifications and variations, and is supported by the technical solutions of the foregoing embodiments. That is, the above-mentioned embodiments are only some embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, such as the combination of technical features between the embodiments, or the direct or indirect application to other related technical fields, are included in the scope of the present invention.
It should be noted that step numbers such as S11 and S12 are used herein for the purpose of more clearly and briefly describing the corresponding content, and do not constitute a substantial limitation on the sequence, and those skilled in the art may perform S12 first and then perform S11 in specific implementation, which should be within the scope of the present application.
In addition, the terms "comprises," "comprising," or any other variation thereof, herein are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element, and that elements, features, or elements having the same designation in different embodiments may or may not have the same meaning as that of the other elements, and that the particular meaning will be determined by its interpretation in the particular embodiment or by its context in further embodiments.
Also, although the terms "first, second, third, etc. are used herein to describe various information, the information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, depending on the context, without departing from the scope herein. The term "if" can be interpreted as "at … …" or "when … …" or "in response to a determination". Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. The terms "or" and/or "are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.
Further, although the various steps in the flowcharts herein are shown in order as indicated by the arrows, they are not necessarily performed in order as indicated by the arrows. Unless explicitly stated otherwise herein, the steps are not performed in the exact order, but may be performed in other orders. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or sub-steps of other steps.
Claims (7)
1. An electrically heated vessel, comprising:
the kettle body comprises a kettle wall and a kettle bottom which form a liquid storage cavity for containing water;
the attitude sensor is used for detecting the inclination angle of the kettle body;
the vibration sensor is arranged on one side of the kettle bottom, which is back to the kettle wall, and is used for detecting the vibration amplitude of the kettle body;
the pressure sensor is arranged on one side of the kettle bottom, which is back to the kettle wall, and is used for detecting the pressure value born by the kettle bottom;
the processor is connected with the attitude sensor, the vibration sensor and the pressure sensor and is used for judging whether the inclination angle of the kettle body reaches a first inclination angle threshold value and whether a pressure value acquired by the pressure sensor is zero; if so, judging that the old water is poured, wherein the processor is also used for judging whether the vibration amplitude reaches a preset amplitude threshold value and whether the pressure value acquired by the pressure sensor reaches a preset pressure threshold value, and the preset amplitude threshold value and the preset pressure threshold value are used for judging whether water is injected into the kettle body; and if so, judging that water is injected into the liquid storage cavity again, and the water reaching the boiling point is fresh.
2. The electrically heated vessel of claim 1, further comprising at least one auxiliary sensor connected to the processor, wherein when the vibration amplitude reaches the preset amplitude threshold and the pressure value collected by the pressure sensor reaches the preset pressure threshold, the processor is configured to receive the sensing parameter collected by the auxiliary sensor and determine whether the sensing parameter reaches a corresponding preset threshold; and if so, judging that water is re-injected into the liquid storage cavity.
3. An electrically heated vessel as claimed in claim 2 wherein said at least one auxiliary sensor comprises at least one of:
temperature sensor, acoustic sensor.
4. The electrically heated vessel of claim 1 further comprising a timer and a temperature sensor each connected to the processor,
the temperature sensor is used for detecting whether the water reaches a boiling point;
the timer is used for detecting the cooling time after the water reaches the boiling point, and the processor is used for judging the water aging when detecting that the cooling time reaches the preset time.
5. A method of fluid quality detection, comprising:
detecting the inclination angle of the kettle body through an attitude sensor;
collecting and detecting a pressure value born by the kettle bottom through a pressure sensor;
judging whether the inclination angle reaches a first inclination angle threshold value and whether the pressure value acquired by the pressure sensor is zero; if so, judging that the old water is poured out;
detecting the vibration amplitude of the kettle body through a vibration sensor;
detecting the pressure value born by the kettle bottom through a pressure sensor;
judging whether the vibration amplitude reaches a preset amplitude threshold value and whether the pressure value acquired by the pressure sensor reaches a preset pressure threshold value, wherein the preset amplitude threshold value and the preset pressure threshold value are used for judging whether water is injected into the kettle body;
if so, judging that the kettle body is refilled with water, and the water reaching the boiling point is fresh.
6. The method of claim 5, wherein when the vibration amplitude reaches a preset amplitude threshold value and the pressure value collected by the pressure sensor reaches a preset pressure threshold value,
determining that water up to boiling is fresh, comprising:
receiving sensing parameters acquired by at least one auxiliary sensor, and judging whether the sensing parameters reach corresponding preset threshold values or not;
if so, judging that water is re-injected into the kettle body.
7. The method of claim 5, wherein the fluid quality detection method further comprises:
detecting whether the water reaches a boiling point;
detecting the cooling time after the water reaches the boiling point;
and judging the water aging when the cooling time reaches a preset time.
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| CN202011386725.0A CN112617595B (en) | 2020-11-30 | 2020-11-30 | Electric heating container and fluid quality detection method |
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