CN109527986B - Intelligent electric power protection system of thermos - Google Patents
Intelligent electric power protection system of thermos Download PDFInfo
- Publication number
- CN109527986B CN109527986B CN201811426430.4A CN201811426430A CN109527986B CN 109527986 B CN109527986 B CN 109527986B CN 201811426430 A CN201811426430 A CN 201811426430A CN 109527986 B CN109527986 B CN 109527986B
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- Prior art keywords
- direct contact
- power
- area
- touch screen
- liftable
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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
- A47J27/21166—Constructional details or accessories
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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
- A47J27/21091—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water of electronic type
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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
- A47J27/21141—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water based on the weight of the water vessel
Abstract
The invention discloses an intelligent electric power protection system for a hot water kettle, which is characterized by comprising an intelligent chassis and a hot water kettle body; the top surface of the intelligent chassis comprises a touch screen control area, a first direct contact area, a parameter monitoring area and a conductive shielding area; the bottom surface of the hot water kettle body comprises a second direct contact area and a conductive area. The intelligent electric power protection system for the hot water kettle can always protect users in the whole process of using the hot water kettle, and prevent users from being damaged by electric power and heat due to misoperation and the like.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an intelligent electric power protection system for a hot water kettle.
Background
The hot water kettle is one of daily household appliances of people, has very high practicality, and nearly every family has at least one hot water kettle. The common thermos is characterized in that a thermos conductive element arranged at a concave part at the bottom of the thermos is in contact with a control chassis conductive element arranged at the middle of a control chassis and protruding, so that electric power is sequentially transmitted to the control chassis and the thermos from a mains supply, the thermos can heat water in the thermos, and functions of boiling water or boiling tea and the like are realized.
The bottom of the thermos is sunken, and the conductive element of the control chassis is fixedly arranged, so that the connection of electric power is realized through the concave-convex matching between the bottom of the thermos and the conductive element of the control chassis, and the relatively firm position fixation between the bottom of the thermos and the conductive element of the control chassis can be realized, so that the thermos can be conveniently placed on the control chassis to realize the heating function. However, in the daily use process, the situation that a small amount of water is repeatedly heated due to carelessness of a host or misoperation of old people and children at home, so that the hot water kettle body is overheated, and finally the hot water kettle body is cracked or scalded often occurs. There is also the problem of electrical power failure and even electrocution events due to excessive water addition, which spills during boiling causing water to flow into the conductive member. Although the prior art has dry burning protection, the protection only reminds a user at the last moment after an event occurs, the occurrence of the event cannot be prevented, and although the occurrence of severe casualty events can be prevented, the occurrence of events such as scalding cannot be effectively prevented.
Disclosure of Invention
The invention provides an intelligent electric power protection system for a hot water kettle, which is characterized by comprising an intelligent chassis and a hot water kettle body; the top surface of the intelligent chassis comprises a touch screen control area, a first direct contact area, a parameter monitoring area and a conductive shielding area; the bottom surface of the hot water kettle body comprises a second direct contact area and a conductive area.
The touch screen control area comprises a touch screen assembly with display and input functions and is used for realizing man-machine interaction.
The first direct contact area and the second direct contact area realize direct contact of the hot water kettle body and the intelligent chassis when the hot water kettle body is placed on the intelligent chassis.
The first direct contact area is vertically lower than the touch screen control area, thereby defining a recessed area on the top surface of the smart chassis such that a portion of the hot water kettle body can be placed in the recessed area.
The touch screen control area is adjacent to the first direct contact area.
The parameter monitoring area is arranged on the first direct contact area and close to the touch screen control area.
The parameter monitoring area comprises a gravity sensor and a humidity sensor.
Said electrically conductive shield region being disposed at the geometric centre of said first direct contact region, said electrically conductive shield region comprising a movable shield plate which is moved to a first position away from said first direct contact region when it is desired to provide a supply of electrical power to said kettle body; the shield plate is moved to the geometric centre of the first direct contact region when there is no need to provide a power supply to the hot water kettle body.
When the shield plate is moved to the first position inside the intelligent chassis, the shield plate is vertically lower than the first direct contact area; the height of the shield plate in the vertical direction is equal to the first direct contact area when the shield plate is moved to the geometric center of the first direct contact area.
And an actuating mechanism is arranged in the intelligent base, and the actuating mechanism is mechanically connected with the shielding plate and is used for driving the shielding plate to move.
The intelligent base is also internally provided with a liftable conductive element, and when power supply needs to be provided for the thermos body, the liftable conductive element is positioned at a lifting position, so that the liftable conductive element penetrates through the conductive shielding area to be directly contacted with the conductive area of the thermos body, and further the power transmission is realized; when there is no need to provide a power supply to the hot water kettle body, the liftable conductive element is in a lowered position inside the intelligent chassis such that it is vertically lower than the first direct contact area.
Still be provided with microcontroller in the intelligence chassis, microcontroller with touch screen assembly, gravity sensor, humidity transducer, actuating mechanism, liftable conductive element communication connection, be used for to touch screen assembly sends the display information and realizes showing and acquireing touch screen assembly's input information acquires gravity sensor's gravity information acquires humidity transducer's humidity information, to actuating mechanism sends actuating instruction, to liftable conductive element sends the lifting instruction.
And the microcontroller sends the display information, the actuating instruction and the lifting instruction based on the input information, the gravity information and the humidity information.
The intelligent chassis is further provided with a power converter, the power converter is connected with an external power line to receive mains power and respectively convert the mains power into first standard power and second standard power, and the first standard power and the second standard power are different in power quality parameter.
The power quality parameter includes a voltage amplitude.
The power converter is respectively connected with the microcontroller, the touch screen assembly, the gravity sensor, the humidity sensor and the actuating mechanism and provides the first standard power.
The power converter is also electrically connected with the liftable conductive element and provides the second standard power.
The voltage of the first standard power is smaller than the voltage of the second standard power.
The microcontroller performs the following steps:
(1) judging whether input information indicating starting work is received or not or whether the reserved working time comes or not, if so, executing the step (2), otherwise, circularly executing the step (1);
(2) judging whether the weight represented by the gravity information is larger than a preset first weight threshold value, if so, executing the step (4), otherwise, executing the step (3);
(3) sending display information indicating no load to the touch screen assembly, and returning to the step (1);
(4) judging whether the humidity represented by the humidity information is smaller than a preset first humidity threshold value, if so, executing the step (6), otherwise, executing the step (5);
(5) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1);
(6) sending a first actuating command to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the position of the geometric center of the initial first direct contact area to the first position;
(7) sending a lifting instruction to the liftable conductive element to cause the liftable conductive element to be lifted from the initial lowered position to the raised position;
(8) judging whether the humidity represented by the humidity information is larger than a second humidity threshold value, if so, executing the step (9), otherwise, executing the step (12);
(9) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(10) sending a second actuation instruction to the actuation mechanism, so that the actuation mechanism drives the shielding plate to move from the first position to a position of a geometric center of the first direct contact area, thereby preventing liquid from flowing into the smart chassis from the first direct contact area;
(11) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1);
(12) judging whether the weight represented by the gravity information is always smaller than a preset second weight threshold value within a set time period, if so, executing the step (13), otherwise, executing the step (12) in a circulating manner;
(13) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(14) sending a second actuating instruction to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the first position to the position of the geometric center of the first direct contact area;
(15) and (5) sending display information indicating no load to the touch screen assembly, and returning to the step (1).
The beneficial technical effects obtained by the invention are as follows:
1. the adoption of the movably arranged liftable conductive element can physically realize the cutting off of electric power, and the accident can be completely prevented from happening unlike the way of adopting electric power protection and the like in the prior art;
2. based on the humidity sensor, whether water exists or not can be detected when the hot water kettle is placed on the base and in the process of boiling water, so that accidents caused by overflowing water are prevented;
3. based on the gravity sensor, whether the thermos is unloaded or not can be detected when the thermos is placed on the base and in the process of quoting, so that accidents caused by idle burning are prevented;
4. a complete control mode capable of guaranteeing the safety of the whole using period is set based on the process of using the hot water kettle.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. In the drawings, like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a side view of the hot water kettle intelligent power protection system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The first embodiment.
Please refer to the attached drawing.
An intelligent electric power protection system for a hot water kettle is characterized by comprising an intelligent chassis and a hot water kettle body; the top surface of the intelligent chassis comprises a touch screen control area, a first direct contact area, a parameter monitoring area and a conductive shielding area; the bottom surface of the hot water kettle body comprises a second direct contact area and a conductive area.
The touch screen control area comprises a touch screen assembly with display and input functions and is used for realizing man-machine interaction.
The first direct contact area and the second direct contact area realize direct contact of the hot water kettle body and the intelligent chassis when the hot water kettle body is placed on the intelligent chassis.
The first direct contact area is vertically lower than the touch screen control area, thereby defining a recessed area on the top surface of the smart chassis such that a portion of the hot water kettle body can be placed in the recessed area.
The touch screen control area is adjacent to the first direct contact area.
The parameter monitoring area is arranged on the first direct contact area and close to the touch screen control area.
The parameter monitoring area comprises a gravity sensor and a humidity sensor.
Said electrically conductive shield region being disposed at the geometric centre of said first direct contact region, said electrically conductive shield region comprising a movable shield plate which is moved to a first position away from said first direct contact region when it is desired to provide a supply of electrical power to said kettle body; the shield plate is moved to the geometric centre of the first direct contact region when there is no need to provide a power supply to the hot water kettle body.
When the shield plate is moved to the first position inside the intelligent chassis, the shield plate is vertically lower than the first direct contact area; the height of the shield plate in the vertical direction is equal to the first direct contact area when the shield plate is moved to the geometric center of the first direct contact area.
And an actuating mechanism is arranged in the intelligent base, and the actuating mechanism is mechanically connected with the shielding plate and is used for driving the shielding plate to move.
The intelligent base is also internally provided with a liftable conductive element, and when power supply needs to be provided for the thermos body, the liftable conductive element is positioned at a lifting position, so that the liftable conductive element penetrates through the conductive shielding area to be directly contacted with the conductive area of the thermos body, and further the power transmission is realized; when there is no need to provide a power supply to the hot water kettle body, the liftable conductive element is in a lowered position inside the intelligent chassis such that it is vertically lower than the first direct contact area.
Still be provided with microcontroller in the intelligence chassis, microcontroller with touch screen assembly, gravity sensor, humidity transducer, actuating mechanism, liftable conductive element communication connection, be used for to touch screen assembly sends the display information and realizes showing and acquireing touch screen assembly's input information acquires gravity sensor's gravity information acquires humidity transducer's humidity information, to actuating mechanism sends actuating instruction, to liftable conductive element sends the lifting instruction.
And the microcontroller sends the display information, the actuating instruction and the lifting instruction based on the input information, the gravity information and the humidity information.
The intelligent chassis is further provided with a power converter, the power converter is connected with an external power line to receive mains power and respectively convert the mains power into first standard power and second standard power, and the first standard power and the second standard power are different in power quality parameter.
The power quality parameter includes a voltage amplitude.
The power converter is respectively connected with the microcontroller, the touch screen assembly, the gravity sensor, the humidity sensor and the actuating mechanism and provides the first standard power.
The power converter is also electrically connected with the liftable conductive element and provides the second standard power.
The voltage of the first standard power is smaller than the voltage of the second standard power.
The microcontroller performs the following steps:
(1) judging whether input information indicating starting work is received or not or whether the reserved working time comes or not, if so, executing the step (2), otherwise, circularly executing the step (1);
(2) judging whether the weight represented by the gravity information is larger than a preset first weight threshold value, if so, executing the step (4), otherwise, executing the step (3);
(3) sending display information indicating no load to the touch screen assembly, and returning to the step (1); the phenomenon of mistaken collision often occurs, and the system is prevented from working due to the mistaken collision;
(4) judging whether the humidity represented by the humidity information is smaller than a preset first humidity threshold value, if so, executing the step (6), otherwise, executing the step (5);
(5) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1); when the hot water kettle body is filled with water, the bottom of the hot water kettle body is wetted frequently, so that the danger of electric leakage is possibly generated, and the possibility is avoided;
(6) sending a first actuating command to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the position of the geometric center of the initial first direct contact area to the first position; removing the shield plate from the surface to free a passage and space for the conductive element;
(7) sending a lifting instruction to the liftable conductive element to cause the liftable conductive element to be lifted from the initial lowered position to the raised position; the conductive element penetrates through the conductive shielding area to be electrically connected with the conductive element at the bottom of the thermos body, so that the electric energy is provided;
(8) judging whether the humidity represented by the humidity information is larger than a second humidity threshold value, if so, executing the step (9), otherwise, executing the step (12);
(9) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(10) sending a second actuation instruction to the actuation mechanism, so that the actuation mechanism drives the shielding plate to move from the first position to a position of a geometric center of the first direct contact area, thereby preventing liquid from flowing into the smart chassis from the first direct contact area;
(11) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1); whether water suddenly appears or not is detected in real time in the process of boiling water, and whether the water overflows due to excessive water is judged, so that the power can be completely cut off in time, and the personal safety of an electric appliance and a user is guaranteed;
(12) judging whether the weight represented by the gravity information is always smaller than a preset second weight threshold value within a set time period, if so, executing the step (13), otherwise, executing the step (12) in a circulating manner;
(13) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(14) sending a second actuating instruction to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the first position to the position of the geometric center of the first direct contact area;
(15) sending display information indicating no load to the touch screen assembly, and returning to the step (1); for a system with a heat preservation function, the thermos body is taken away for pouring water in the thermos body temporarily, so that a set time period is set to guarantee the realization of the function, the idle load condition can be accurately identified under other conditions, the power connection is timely and completely disconnected under the idle load condition, and the safety of a user is guaranteed.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. It is therefore intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (1)
1. An intelligent electric power protection system for a hot water kettle is characterized by comprising an intelligent chassis and a hot water kettle body; the top surface of the intelligent chassis comprises a touch screen control area, a first direct contact area, a parameter monitoring area and a conductive shielding area; the bottom surface of the hot water kettle body comprises a second direct contact area and a conductive area;
the touch screen control area comprises a touch screen assembly with display and input functions and is used for realizing man-machine interaction;
the first direct contact area and the second direct contact area realize direct contact of the hot water kettle body and the intelligent chassis when the hot water kettle body is placed on the intelligent chassis;
the first direct contact area is vertically lower than the touch screen control area, thereby defining a recessed area on the top surface of the intelligent chassis such that a portion of the hot water kettle body can be placed in the recessed area;
the touch screen control area is adjacent to the first direct contact area;
the parameter monitoring area is arranged on the first direct contact area and close to the touch screen control area;
the parameter monitoring area comprises a gravity sensor and a humidity sensor;
said electrically conductive shield region being disposed at the geometric centre of said first direct contact region, said electrically conductive shield region comprising a movable shield plate which is moved to a first position away from said first direct contact region when it is desired to provide a supply of electrical power to said kettle body; the shield plate is moved to the geometric centre of the first direct contact region when there is no need to provide a supply of electrical power to the kettle body;
when the shield plate is moved to the first position inside the intelligent chassis, the shield plate is vertically lower than the first direct contact area; the height of the shield plate in the vertical direction is equal to the first direct contact area when the shield plate is moved to the geometric center of the first direct contact area;
an actuating mechanism is arranged in the intelligent base, and the actuating mechanism is mechanically connected with the shielding plate and is used for driving the shielding plate to move; the intelligent base is also internally provided with a liftable conductive element, and when power supply needs to be provided for the thermos body, the liftable conductive element is positioned at a lifting position, so that the liftable conductive element penetrates through the conductive shielding area to be directly contacted with the conductive area of the thermos body, and further the power transmission is realized; when there is no need to provide a power supply to the hot water kettle body, the liftable conductive element is in a lowered position inside the intelligent chassis such that it is vertically lower than the first direct contact area;
the intelligent chassis is also provided with a microcontroller, and the microcontroller is in communication connection with the touch screen assembly, the gravity sensor, the humidity sensor, the actuating mechanism and the liftable conductive element and is used for sending display information to the touch screen assembly, realizing display, acquiring input information of the touch screen assembly, acquiring gravity information of the gravity sensor, acquiring humidity information of the humidity sensor, sending an actuating instruction to the actuating mechanism and sending a lifting instruction to the liftable conductive element;
the microcontroller sends the display information, the actuating instruction and the lifting instruction based on the input information, the gravity information and the humidity information;
the intelligent chassis is also provided with a power converter, the power converter is connected with an external power line to receive mains power and respectively convert the mains power into first standard power and second standard power, and the first standard power and the second standard power have different power quality parameters;
the power quality parameter comprises a voltage amplitude;
the power converter is respectively connected with the microcontroller, the touch screen assembly, the gravity sensor, the humidity sensor and the actuating mechanism and provides the first standard power;
the power converter is also electrically connected with the liftable conductive element and provides the second standard power;
the voltage of the first standard power is smaller than the voltage of the second standard power;
the microcontroller performs the following steps:
(1) judging whether input information indicating starting work is received or not or whether the reserved working time comes or not, if so, executing the step (2), otherwise, circularly executing the step (1);
(2) judging whether the weight represented by the gravity information is larger than a preset first weight threshold value, if so, executing the step (4), otherwise, executing the step (3);
(3) sending display information indicating no load to the touch screen assembly, and returning to the step (1);
(4) judging whether the humidity represented by the humidity information is smaller than a preset first humidity threshold value, if so, executing the step (6), otherwise, executing the step (5);
(5) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1);
(6) sending a first actuating command to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the position of the geometric center of the initial first direct contact area to the first position;
(7) sending a lifting instruction to the liftable conductive element to cause the liftable conductive element to be lifted from the initial lowered position to the raised position;
(8) judging whether the humidity represented by the humidity information is larger than a second humidity threshold value, if so, executing the step (9), otherwise, executing the step (12);
(9) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(10) sending a second actuation instruction to the actuation mechanism, so that the actuation mechanism drives the shielding plate to move from the first position to a position of a geometric center of the first direct contact area, thereby preventing liquid from flowing into the smart chassis from the first direct contact area;
(11) sending display information indicating that water exists to the touch screen assembly, and returning to the step (1);
(12) judging whether the weight represented by the gravity information is always smaller than a preset second weight threshold value within a set time period, if so, executing the step (13), otherwise, executing the step (12) in a circulating manner;
(13) sending a lowering instruction to the liftable conductive element to enable the liftable conductive element to be lowered from the raised position to the lowered position, and further disconnecting the power connection between the intelligent base and the hot water kettle body;
(14) sending a second actuating instruction to the actuating mechanism, so that the actuating mechanism drives the shielding plate to move from the first position to the position of the geometric center of the first direct contact area;
(15) and (5) sending display information indicating no load to the touch screen assembly, and returning to the step (1).
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| CN201811426430.4A CN109527986B (en) | 2018-11-27 | 2018-11-27 | Intelligent electric power protection system of thermos |
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| CN201811426430.4A CN109527986B (en) | 2018-11-27 | 2018-11-27 | Intelligent electric power protection system of thermos |
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| CN205068015U (en) * | 2015-10-08 | 2016-03-02 | 承德石油高等专科学校 | Electric kettle anti dry burning device with long -range closing device in internet |
| CN206836775U (en) * | 2016-12-16 | 2018-01-05 | 温学华 | Anti-dry liquid heater |
| CN107080459A (en) * | 2017-05-19 | 2017-08-22 | 慈溪琅华机械科技有限公司 | A kind of kettle teapot device |
| CN207855546U (en) * | 2017-07-06 | 2018-09-14 | 河北科技大学 | A kind of multiconductor electric kettle |
| CN107456076A (en) * | 2017-07-14 | 2017-12-12 | 广西浙缘农业科技有限公司 | A kind of anti-overflow hot-water bottle |
| CN107550275A (en) * | 2017-09-19 | 2018-01-09 | 珠海格力电器股份有限公司 | Electric heater unit base and insulating pot |
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| CN109527986A (en) | 2019-03-29 |
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