CN215738408U

CN215738408U - Electric kettle

Info

Publication number: CN215738408U
Application number: CN202122225884.9U
Authority: CN
Inventors: 郭建刚; 陈裕华; 李谚
Original assignee: Guangdong Baishengtu Technology Co Ltd
Current assignee: Guangdong Baishengtu Technology Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-08
Anticipated expiration: 2031-09-14

Abstract

The embodiment of the utility model provides an electric kettle which comprises a main board, a heating element, a kettle body, an altitude sensing assembly, a second temperature sensor and a processor. The kettle body is provided with a water containing cavity and a containing cavity separated from the water containing cavity, and the mainboard is arranged in the containing cavity. The altitude sensing assembly is arranged on the main board and comprises an atmospheric pressure sensor and a first temperature sensor. One side of the second temperature sensor, which is far away from the main board, is positioned in the water containing cavity of the kettle body. The processor is configured to receive the atmospheric pressure information, the temperature information and the water temperature information and send a control signal for opening and closing the heating element. Above-mentioned structure can accurately judge the altitude of different areas through atmospheric pressure value and the temperature of acquireing in the environment to confirm the water boiling point temperature that corresponds with altitude, thereby control heating element's behavior, water in the insulating pot is heated to the boiling point after, in time closes heating element.

Description

Electric kettle

Technical Field

The utility model relates to the technical field of household appliances, in particular to an electric kettle.

Background

The boiling point of the water that different altitude height corresponds is different, if in the higher place of height above sea level, the boiling point of water can be less than 100 degrees centigrade, if the heating temperature to insulating pot adjusts this moment, can lead to insulating pot after the temperature has reached the boiling point, still continuously heats water, leads to water to spill over from the insulating pot in, influences the user and uses, scalds the user easily. Chinese patent with publication No. CN104207634B specifically discloses an electric kettle, and the lid hasp of this electric kettle has first interference portion, has second interference portion on the push rod of electric kettle, and first interference portion and second interference portion set up correspondingly, and it is thus clear that this electric kettle can not control the work of the heating element of electric kettle based on the influence of altitude to the boiling point of water, and the accident that causes boiling water to spill over because of the too big internal pressure of kettle appears easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides an electric kettle which can be used for heating water in the electric kettle to a boiling point and then stopping heating in time according to the environment of a user.

The embodiment of the utility model provides an electric kettle, which comprises a main board and a heating element electrically connected with the main board, and further comprises:

the kettle body is provided with a water containing cavity and an accommodating cavity separated from the water containing cavity, and the main board is arranged in the accommodating cavity;

the altitude sensing assembly is arranged on the main board and comprises an atmospheric pressure sensor and a first temperature sensor, the atmospheric pressure sensor is used for acquiring atmospheric pressure information in the environment, and the first temperature sensor is used for acquiring temperature information in the environment;

the second temperature sensor is arranged on the main board, and one side, far away from the main board, of the second temperature sensor is positioned in the water containing cavity of the kettle body and used for acquiring water temperature information in the water containing cavity;

the processor is arranged on the mainboard and is respectively and electrically connected with the atmospheric pressure sensor, the first temperature sensor and the second temperature sensor, and the processor is configured to receive the atmospheric pressure information, the temperature information and the water temperature information and send control signals for opening and closing the heating element. Above-mentioned insulating pot can be according to the environment that the user was located, can in time stop heating after the water heating in the insulating pot reaches the boiling point

In some embodiments, the electric kettle further comprises a bottom cover detachably arranged at the kettle bottom of the kettle body, and the accommodating cavity is enclosed between the bottom cover and the kettle bottom of the kettle body. The structure is simple, and the user can conveniently disassemble and assemble the device.

In some embodiments, the first temperature sensor is made of a semiconductor material, and can sensitively detect temperature change in the environment, so that the altitude can be accurately determined based on the temperature change.

In some embodiments, the main board has a first board surface, and the first board surface is provided with a sensor socket and the altitude sensing assembly, and the sensor socket is used for installing the second temperature sensor. The arrangement is reasonable in design and convenient to process.

In some embodiments, the main board further has a second board surface opposite to the first board surface, and the second board surface is provided with the processor and a control circuit for controlling the heating element to be turned on and off. The arrangement is reasonable in design and convenient to process.

In some embodiments, the heating element is disposed in the accommodating cavity and above the main board, so as to directly heat the water in the water accommodating cavity through the heating element.

In some embodiments, a waterproof breathable film is arranged on the spout of the kettle body, a bracket for mounting the waterproof breathable film is arranged on the spout, and the electric kettle further comprises a kettle cover detachably buckled on the spout. This waterproof ventilated membrane can prevent effectively that water from revealing by the kettle mouth, optimizes the user and uses experience.

Compared with the prior art, the embodiment of the utility model has the beneficial effects that: according to the utility model, the atmospheric pressure information and the temperature information in the environment are obtained through the atmospheric pressure sensor and the first temperature sensor of the altitude sensing assembly, the altitudes of different regions can be accurately judged through the atmospheric pressure value and the temperature in the environment, so that the water boiling point temperature corresponding to the altitude is determined, the working condition of the heating element is controlled, the heating element is timely closed after the water in the electric kettle is heated to the boiling point, the condition that the boiling water overflows due to the fact that the air pressure in the electric kettle is too high due to continuous heating is avoided, namely, excessive heating is prevented, the electric energy can be effectively saved, and the electric kettle is convenient for a user to use.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

FIG. 1 is an exploded view of an electric kettle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first board surface of a main board of an electric kettle according to an embodiment of the utility model;

fig. 3 is a schematic structural diagram of a second board surface of a main board of an electric kettle according to an embodiment of the utility model.

The members denoted by reference numerals in the drawings:

1-a main board; 11-a processor; 12-a first board surface; 13-a sensor socket; 14-second board surface; 15-a control circuit; 2-a heating element; 3-a pot body; 31-a water containing cavity; 32-a containing cavity; 4-altitude sensing component; 5-a second temperature sensor; 6-bottom cover; 7-waterproof breathable film; 8-a scaffold; 9-pot cover; 91-silica gel sleeve; 92-sealing ring.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings and the detailed description of embodiments of the utility model, but is not intended to limit the utility model.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

An embodiment of the present invention provides an electric kettle, as shown in fig. 1 to 3, the electric kettle includes a main board 1 and a heating element 2 electrically connected to the main board 1, and further includes a kettle body 3, an altitude sensing component 4, a second temperature sensor 5, and a processor 11. The kettle body 3 has a water containing cavity 31 and a containing cavity 32 separated from the water containing cavity 31, and the main board 1 is arranged in the containing cavity 32. On the mainboard 1 was located to height above sea level sensing subassembly 4, height above sea level sensing subassembly 4 included atmospheric pressure sensor and first temperature sensor (not shown in the figure), and atmospheric pressure sensor is arranged in acquireing the atmospheric pressure information in the environment, and first temperature sensor is arranged in acquireing the temperature information in the environment. The second temperature sensor 5 is arranged on the main board 1, and one side of the second temperature sensor 5, which is far away from the main board 1, is positioned in the water containing cavity 31 of the kettle body 3 and is used for acquiring water temperature information in the water containing cavity 31. The processor 11 is arranged on the mainboard 1 and is respectively electrically connected with the atmospheric pressure sensor, the first temperature sensor and the second temperature sensor 5, and the processor 11 is configured to receive atmospheric pressure information, temperature information and water temperature information and send control signals for opening and closing the heating element 2.

Specifically, the temperature change condition in a time interval, that is, the temperature change rate in a time interval, may be determined according to the detection of the temperature of the current environment by the first temperature sensor. The altitude conversion comparison table indicates the corresponding relationship between the atmospheric pressure, the temperature change rate and the altitude, that is, the current altitude can be determined by the obtained atmospheric pressure and temperature change rate, so that the boiling point of the water in the current environment is determined based on the altitude through the altitude and boiling point comparison table.

Specifically, the main board 1 may further include a memory, the memory stores an altitude conversion look-up table and an altitude and boiling point look-up table, and the processor 11 may read the altitude conversion look-up table and the altitude and boiling point look-up table stored in the memory after receiving the atmospheric pressure information and the temperature information in the current environment, so as to determine the boiling point of water in the current environment through operation.

Further, when the real-time water temperature value corresponding to the received water temperature information does not reach the boiling point, a control signal for continuous heating is sent to the heating element 2; when the real-time water temperature value corresponding to the received water temperature information reaches the boiling point, a control signal for stopping heating is sent to the heating element 2, so that the heating element 2 is stopped from continuing heating in time, and damage caused by overheating is avoided.

Further, the processor 11 is further configured to update the altitude to the altitude in the current environment after each power-on, and calculate the corresponding boiling point of water.

Specifically, the second temperature sensor 5 may be a negative temperature coefficient thermistor that changes resistance value due to temperature change, thereby changing voltage change in a circuit connected to the thermistor.

The structure of above-mentioned insulating pot does benefit to the user and uses under scenes such as open air, travel, and not only portable can also be according to the environment that the user was located, in time stop heating after with the water heating to the boiling point in the insulating pot, can enough the energy can be saved, can also avoid the harm that the superheating brought, do benefit to marketing very much.

According to the utility model, the atmospheric pressure information and the temperature information in the environment are obtained through the atmospheric pressure sensor and the first temperature sensor of the altitude sensing component 4, the altitudes of different regions can be accurately judged through the atmospheric pressure value and the temperature in the environment, so that the water boiling point temperature corresponding to the altitude is determined, the working condition of the heating element 2 is controlled, the heating element 2 is timely closed after the water in the electric kettle is heated to the boiling point, the condition that the boiling water overflows due to the fact that the air pressure in the electric kettle is too high due to continuous heating is avoided, namely, overheating is prevented, the electric energy can be effectively saved, and the electric kettle is convenient for a user to use.

In some embodiments, as shown in fig. 1, the electric kettle further comprises a bottom cover 6 detachably disposed at the bottom of the kettle body 3, and a receiving cavity 32 is defined between the bottom cover 6 and the bottom of the kettle body 3. The structure is simple, and the user can conveniently disassemble and assemble the device.

In particular, the bottom cover 6 can be connected to the body 3 in a threaded manner, so as to facilitate the processing and the user's dismounting. And the bottom of the bottom cover 6 can be provided with foot pads so as to be beneficial to stably placing the electric kettle on any platform.

In some embodiments, the first temperature sensor is made of a semiconductor material, which can sensitively detect a temperature change in the environment, thereby accurately determining the altitude based on the temperature change.

In some embodiments, as shown in fig. 2, the main board 1 has a first board 12, and the first board 12 is provided with a sensor socket 13 and the altitude sensing component 4, and the sensor socket 13 is used for installing the second temperature sensor 5. The arrangement is reasonable in design and convenient to process.

When the electric kettle is in a use state, the first plate surface 12 is arranged upwards, the lower end of the second temperature sensor 5 is connected with the sensor socket 13, and the upper end is inserted into the water containing cavity 31 to detect the temperature of the water in the kettle body 3.

In some embodiments, as shown in fig. 3, the main board 1 further has a second board surface 14 opposite to the first board surface 12, and the second board surface 14 is provided with a processor 11 and a control circuit 15 for controlling the on/off of the heating element 2. The arrangement is reasonable in design and convenient to process.

In some embodiments, as shown in fig. 1, the heating element 2 is disposed in the accommodating cavity 32 and above the main board 1, so as to directly heat the water in the water accommodating cavity 31 through the heating element 2.

Specifically, a thermal insulation board may be disposed between the heating element 2 and the main board 1 to prevent the main board 1 from being damaged by the heating element 2 due to an excessive temperature.

In some embodiments, as shown in fig. 1, a waterproof and breathable film 7 is arranged on the spout of the kettle body 3, and a bracket 8 for installing the waterproof and breathable film 7, and the electric kettle further comprises a kettle cover 9 for detachably buckling the spout. This waterproof ventilated membrane 7 can prevent effectively that water from revealing by the kettle mouth, optimizes the user and uses experience.

Specifically, a silica gel sleeve 91 sleeved on the inner side of the kettle cover 9 and a sealing ring 92 for sealing the kettle opening can be further arranged at the kettle opening of the kettle body 3, so that the sealing performance of the electric kettle is further improved.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above-described embodiments, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. An electric kettle, comprising a main board and a heating element electrically connected with the main board, characterized in that the electric kettle further comprises:

the processor is arranged on the mainboard and is respectively and electrically connected with the atmospheric pressure sensor, the first temperature sensor and the second temperature sensor, and the processor is configured to receive the atmospheric pressure information, the temperature information and the water temperature information and send control signals for opening and closing the heating element.

2. An electric kettle as claimed in claim 1, further comprising a bottom cover removably attached to the bottom of the kettle body, the bottom cover and the bottom of the kettle body enclosing the cavity.

3. An electric kettle as claimed in claim 1, wherein said first temperature sensor is made of a semiconductor material.

4. An electric kettle as claimed in claim 1, wherein said main board has a first board surface, said first board surface having a sensor socket for mounting said second temperature sensor and said altitude sensing assembly.

5. The electric kettle as claimed in claim 4, wherein the main board further has a second board surface opposite to the first board surface, and the second board surface is provided with the processor and a control circuit for controlling the heating element to open and close.

6. The electric kettle of claim 1, wherein the heating element is disposed within the receiving cavity and above the main board.

7. The electric kettle as claimed in claim 1, wherein a waterproof and breathable membrane is arranged on the kettle mouth of the kettle body, and a bracket for mounting the waterproof and breathable membrane is arranged on the kettle mouth, and the electric kettle further comprises a kettle cover detachably fastened on the kettle mouth.