CN212165596U

CN212165596U - Water boiling container

Info

Publication number: CN212165596U
Application number: CN202020453248.4U
Authority: CN
Inventors: 王国栋; 史庭飞; 李建
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-18
Anticipated expiration: 2030-03-31

Abstract

The application relates to the technical field of kitchen appliances, and provides a water boiling container which comprises a kettle body, a heater and a kick switch; the kettle body comprises an inner container, and the inner side of the bottom wall of the inner container is provided with a sound absorption coating; the heaters are arranged on the kettle body and at least two heaters are arranged, so that different parts of the inner container can be heated; the kick switch is electrically connected with the heaters, and can regulate and control the electrifying state of each heater so as to change the heated part of the inner container. When the water in the inner container is about to reach the boiling temperature, the heater can be controlled to be powered on through the kick switch, only one part of heated area of the inner container is heated, and therefore the problems that bubbles are attached to all parts of the bottom wall of the inner container at the same time, bubbles are gathered to form an air isolation surface, heat exchange between the heater and the water is affected, and the temperature controller is prone to being tripped too early are avoided.

Description

Water boiling container

Technical Field

The application relates to the technical field of kitchen appliances, in particular to a water boiling container.

Background

Comparatively common water container of boiling among the kitchen utensil has thermos, health preserving kettle, teapot etc. to the thermos is the example, and the thermos among the prior art is generally all with the heater fixed setting in the inner bag of the kettle body, through the continuous heating to the inner bag of heater when boiling water, but such water mode of boiling when water will boil, and the water in the inner bag can produce a large amount of bubbles, and the bubble bursts and produces great noise, influences user's use and experiences.

Therefore, as shown in fig. 1, in the prior art, a sound-absorbing coating is sprayed on the inner side of the bottom wall of the inner container to absorb noise generated by the burst of bubbles during the boiling process of water, but the surface of the sound-absorbing coating has the characteristics of low surface energy and high surface tension, so that the bubbles generated on the surface of the sound-absorbing coating during the boiling process are not easy to break or move, and the bubbles are polymerized on the surface of the sound-absorbing coating to form large bubbles over time. When water is heated and boiled, a large number of large bubbles formed on the surface of the sound-absorbing coating form an air barrier surface, which seriously influences the heat exchange between the heater and the water, so that the temperature of the heater is increased sharply, and the water in the kettle body is broken when the dry-burning piece in the temperature controller is not boiled.

In summary, the water boiling container with the sound absorption coating in the prior art has the problems that an air barrier surface is easily generated when the water is boiling, the heat exchange between the heater and the water is affected, and the temperature controller is easily tripped too early.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a water boiling container, so as to solve the problems that an air barrier surface is easily generated when boiling water is about to boil, heat exchange between a heater and water is affected, and a temperature controller is easily tripped too early in the water boiling container with a sound-absorbing coating in the prior art.

The water boiling container provided by the application comprises a kettle body, a heater and a kick switch;

the kettle body comprises an inner container, and a sound-absorbing coating is arranged on the inner side of the bottom wall of the inner container;

the heaters are arranged on the kettle body and at least two heaters are arranged, and can heat different parts of the inner container;

the kick switch is electrically connected with the heaters and can regulate and control the electrifying state of each heater so as to change the heated part of the inner container.

In one possible design, the heater includes a first heater and a second heater;

the first heater and the second heater are respectively and electrically connected with an electric control board in the water boiling container through the snap switches which are respectively connected in series;

the electric control board can regulate and control the on-off states of the two kick switches so as to change the power-on states of the first heater and the second heater.

In one possible design, the bottom wall of the inner container is also provided with a thermistor;

the thermistor is electrically connected with the electric control board and can adjust the resistance value of the thermistor according to the water temperature in the inner container;

the electric control board can regulate and control the opening and closing states of the two kick switches according to the resistance value of the thermistor.

In one possible design, the electronic control board is provided with a regulation threshold;

when the self resistance value of the thermistor reaches a regulation threshold value, the electric control board controls the two kick switches to be tripped off circularly, so that the first heater and the second heater are electrified and heated circularly.

In one possible design, the heater comprises a first heater and a second heater arranged in parallel with each other;

the kick switch is a temperature control kick switch, and the temperature control kick switch is connected with the first heater or the second heater in series;

the temperature control snap-through switch can automatically snap off at a critical temperature so as to cut off the power of the first heater or the second heater.

In one possible design, the kick switch further includes a steam kick switch;

the steam kick switch is arranged on the power supply main trunk of the first heater and the power supply main trunk of the second heater;

the kettle body is provided with a steam guide pipe, and the steam guide pipe can guide the steam in the inner container to the steam snap switch, so that the steam snap switch can be automatically snapped when water is boiled.

In one possible design, the first heater and the second heater are respectively arranged outside the bottom wall of the inner container;

the temperature control snap switch is connected with the first heater in series, and the sound absorption coating is arranged in the projection area of the second heater on the inner side of the bottom wall of the inner container.

the temperature control snap switch is connected with the second heater in series, and the sound absorption coating is arranged in the area of the first heater projected on the inner side of the bottom wall of the inner container.

In one possible embodiment, the first heater and the second heater are each configured in the shape of a circular arc.

In one possible design, the water boiling container further comprises a heat conduction sheet arranged between the inner container and the heater;

one side of the heat conducting sheet is abutted against the outer bottom wall of the inner container, and the other side of the heat conducting sheet is abutted against the heater.

By combining the technical scheme, the beneficial effects of the method are analyzed as follows:

the water boiling container provided by the application comprises a kettle body, a heater and a kick switch; the kettle body comprises an inner container, and the inner side of the bottom wall of the inner container is provided with a sound absorption coating; the heaters are arranged on the kettle body and at least two heaters are arranged, so that different parts of the inner container can be heated; the kick switch is electrically connected with the heaters, and can regulate and control the electrifying state of each heater so as to change the heated part of the inner container.

When the water boiling container is used for heating, the snap switch can regulate and control the power-on state of each heater, so that when the water in the inner container is heated, the power-on of all the heaters can be controlled by the snap switch at first to heat all parts of the inner container simultaneously; when the water in the inner container is about to reach the boiling temperature, the heater can be controlled to be powered on through the kick switch, only one part of heated area of the inner container is heated, and therefore the problems that bubbles are attached to all parts of the bottom wall of the inner container at the same time, bubbles are gathered to form an air isolation surface, heat exchange between the heater and the water is affected, and the temperature controller is prone to being tripped too early are avoided.

Of course, the start and stop points and the power-on time of each heater controlled by the kick switch, and which parts of the heated area of the inner container are heated by the heaters can be preset by the electric control board of the water boiling container.

To sum up, the water boiling container that this application provided can solve the water of boiling that has the sound absorbing coating among the prior art and boil that water container exists and easily produce the gas barrier face when closing on the boiling, influence the heat exchange between heater and the water and easily lead to the problem that the temperature controller is too early jump off.

Additional features and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of embodiments of the present application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 is a sectional view of a water boiling container according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an outer wall of a bottom side of an inner container of the water boiling container provided in the embodiment of the present application;

FIG. 3 is a sectional view of another embodiment of a water boiling container according to the present invention;

FIG. 4 is a first circuit configuration diagram of the water boiling container according to the embodiment of the present application;

fig. 5 is a second circuit structure diagram of the water boiling container according to the embodiment of the present application.

Reference numerals:

1-a pot body;

11-an inner container;

12-an electronic control board;

13-a steam conduit;

2-a heater;

21-a first heater;

22-a second heater;

3-a kick switch;

31-temperature control kick switch;

32-steam kick switch;

4-a thermally conductive sheet;

5-thermistor.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. 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 terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The following describes a specific embodiment of the water boiling container according to the structure of the water boiling container provided in the embodiment of the present application.

As shown in fig. 1 to 5, the present embodiment provides a water boiling container, which includes a kettle body 1, a heater 2 and a kick switch 3; the kettle body 1 comprises an inner container 11, and a sound absorption coating is arranged on the inner side of the bottom wall of the inner container 11; the heaters 2 are arranged on the kettle body 1 and at least two heaters are arranged, and can heat different parts of the inner container 11; the kick switch 3 is electrically connected to the heaters 2, and can adjust and control the energization state of each heater 2 to change the heated portion of the inner container 11.

When the water boiling container is used for heating, because the snap switch 3 can regulate and control the electrifying state of each heater 2, when the water in the inner container 11 is heated, all the heaters 2 can be initially controlled to be electrified through the snap switch 3 so as to heat all parts of the inner container 11 simultaneously; when the water in the inner container 11 is about to reach the boiling temperature, the power of part of the heaters can be controlled by the kick switch 3, and only one part of the heated area of the inner container 11 is heated, so that the problem that bubbles are attached to all parts of the bottom wall of the inner container 11 at the same time to form an air isolation surface, influence the heat exchange between the heater 2 and the water and easily cause the temperature controller to be tripped too early is avoided.

Of course, the start/stop point and the power-on time of each heater 2 specifically controlled by the kick switch 3, and which portions of the heated region of the inner container 11 are heated by the heaters 2 can be preset specifically by the electric control board 12 of the water boiling container.

The water boiling container can be an electric kettle, a health preserving kettle, a teapot and other kitchen appliances with the water boiling function.

In an alternative of the present embodiment, the heater 2 includes a first heater 21 and a second heater 22; the first heater 21 and the second heater 22 are respectively and electrically connected with the electric control board 12 in the water boiling container through the snap switches 3 which are respectively connected in series; the electric control board 12 can regulate the on-off states of the two kick switches 3 to change the power-on states of the first heater 21 and the second heater 22.

Specifically, as described in detail with reference to fig. 5, the first heater 21 and the second heater 22 are electrically connected to the electronic control board 12 in the water boiling container through the snap switches 3 respectively connected in series, so that when the power-on state of the first heater 21 or the second heater 22 needs to be changed, the open/close state of the two snap switches 3 can be adjusted and controlled only by a command set in the electronic control board 12.

The electric control board 12 may be specifically configured as, but not limited to, a PLC, and the on/off states of the two kick switches 3 may be regulated and controlled by a timing command in the PLC.

The first heater 21, the second heater 22, the kick switch 3 and the electric control board 12 are connected, so that the water boiling container has an automatic electric control function, and the automation degree of the water boiling container is improved.

In an alternative of the present embodiment, the bottom wall of the inner container 11 is further provided with a thermistor 5; the thermistor 5 is electrically connected with the electric control board 12 and can adjust the resistance value thereof according to the water temperature in the inner container 11; the electronic control board 12 can regulate the open and close states of the two kick switches 3 according to the resistance value of the thermistor 5.

Specifically, as described in detail with reference to fig. 1 and 5, the thermistor 5 may be specifically disposed in the inner container 11, when the temperature of the water in the inner container 11 increases, the resistance value of the thermistor 5 changes, and when the resistance value of the thermistor 5 changes to a certain resistance value, that is, the temperature of the water reaches a certain temperature, the electric control board 12 electrically connected to the thermistor 5 starts to perform feedback adjustment on the on/off states of the two snap switches 3 according to the resistance value change information of the thermistor 5.

By arranging the thermistor 5, the electric control board 12 can start to perform feedback regulation on the opening and closing states of the two snap switches 3 when the water temperature reaches a certain temperature, and the automation and intelligence degree of the water boiling container are further improved.

In an alternative of this embodiment, the electronic control board 12 is provided with a regulation threshold; when the self resistance value of the thermistor 5 reaches the regulation threshold value, the electronic control board 12 controls the two kick switches 3 to be tripped circularly, so that the first heater 21 and the second heater 22 are electrified and heated circularly.

Specifically, when the water temperature reaches about 80 ℃, more bubbles begin to be generated, the resistance value of the thermistor 5 at 80 ℃ can be used as the regulation threshold value of the electric control board 12, and when the water temperature reaches 80 ℃, the electric control board 12 controls the two snap switches 3 to be snapped in a circulating manner, so that the first heater 21 and the second heater 22 can circularly heat two heated parts of the liner 11, and the problems that an air isolation surface is easily generated when the water boiling of the liner 11 is close to boiling, the heat exchange between the heaters and the water is influenced, and the temperature controller is easily snapped too early are avoided.

In addition, the present embodiment also provides another alternative of the kick switch 3, and the heater 2 includes a first heater 21 and a second heater 22 that are arranged in parallel with each other; the kick switch 3 is a temperature-controlled kick switch 31, and the temperature-controlled kick switch 31 is connected in series with the first heater 21 or the second heater 22; the temperature-controlled kick switch 31 can automatically trip at the critical temperature to power off the first heater 21 or the second heater 22.

Specifically, as described in detail with reference to fig. 4, the kick switch 3 is provided as the temperature-controlled kick switch 31, and is provided in series with the first heater 21 or the second heater 22, so that the function of powering off the first heater 21 or the second heater 22 can be realized without providing the above-described electric control board 12, according to the characteristic that the temperature-controlled kick switch 31 can be automatically tripped at the critical temperature.

When the water temperature reaches the critical temperature of the temperature control snap switch 31, the temperature control snap switch 31 can automatically disconnect one of the first heater 21 and the second heater 22, so that the inner container 11 only has one heated part, and the problem of air isolation surface generated when the inner container 11 is boiling water and is close to boiling can also be avoided.

The kick switch 3 is set as the temperature-controlled kick switch 31, and has a simple structure, and can also achieve the function of powering off the first heater 21 or the second heater 22 without an electric control element.

In an alternative of this embodiment, the kick switch 3 further includes a steam kick switch 32; the steam kick switch 32 is arranged in series on the power supply main lines of the first heater 21 and the second heater 22; the kettle body 1 is provided with a steam conduit 13, and the steam conduit 13 can guide the steam in the inner container 11 to the steam snap switch 32, so that the steam snap switch 32 can be automatically snapped when the water is boiled.

Specifically, as described in detail with reference to fig. 3 and 4, the steam snap switch 32 is provided in the power supply main line of the first heater 21 and the second heater 22, and the steam conduit 13 can connect the inner container 11 with the steam snap switch 32, so that when water in the inner container 11 boils, the steam conduit 13 can guide steam to the steam snap switch 32 to automatically snap off the steam snap switch 32, and further, the first heater 21 and the second heater 22 are all automatically powered off after the boiling of the water is completed.

The steam snap switch 32 and the steam conduit 13 can automatically cut off the power of the water boiling container after the water is boiled, thereby further improving the use convenience of the water boiling container.

In an alternative of the present embodiment, the first heater 21 and the second heater 22 are respectively arranged outside the bottom wall of the liner 11; the temperature-controlled kick switch 31 is arranged in series with the first heater 21, and the sound-absorbing coating is arranged in the area of the projection of the second heater 22 on the inner side of the bottom wall of the inner container 11.

The temperature control snap-through switch 31 and the first heater 21 are arranged in series, and the sound absorption coating and the second heater 22 are arranged in the projection area on the inner side of the bottom wall of the inner container 11 correspondingly, so that when the water temperature reaches the temperature at which more bubbles begin to be generated, the temperature control snap-through switch 31 is snapped to cut off the power of the first heater 21 and stop heating, and at the moment, the first heater 21 does not gather bubbles in the projection area on the inner side of the bottom wall of the inner container 11 any more, and no larger noise is generated any more; since the second heater 22 is always electrified and heated in the time period from the beginning of heating to the boiling of the water, the sound-absorbing coating can absorb the noise generated by the second heater 22 acting on the heated area of the inner container 11, and the noise generated by the water boiling container when the boiled water is boiled is reduced.

In an alternative of the present embodiment, the first heater 21 and the second heater 22 are respectively arranged outside the bottom wall of the liner 11; the temperature control snap switch 31 is arranged in series with the second heater 22, and the sound absorption coating is arranged in the projection area of the first heater 21 on the inner side of the bottom wall of the inner container 11.

The temperature control snap-through switch 31 and the second heater 22 are arranged in series, and the sound absorption coating and the first heater 21 are arranged in the projection area on the inner side of the bottom wall of the inner container 11 correspondingly, so that when the water temperature reaches the temperature at which more bubbles begin to be generated, the temperature control snap-through switch 31 is snapped to cut off the power of the second heater 22 to stop heating, and at the moment, the second heater 22 does not gather bubbles in the projection area on the inner side of the bottom wall of the inner container 11 any more, and no larger noise is generated any more; since the first heater 21 is always electrified and heated in the time period from the beginning of heating to the boiling of the water, the sound-absorbing coating can absorb the noise generated by the first heater 21 acting on the heated area of the inner container 11, and the noise generated by the water boiling container when the boiled water is boiled is reduced.

In an alternative of the present embodiment, the first heater 21 and the second heater 22 are respectively provided in a circular arc shape.

Specifically, as shown in fig. 2, the first heater 21 and the second heater 22 may be arranged in a C-shaped arc, and the first heater 21 may be arranged outside the bottom wall of the inner container 11 so as to wrap the second heater 22. When the heater 2 heats the inner container 11 in this way, the bottom wall of the inner container 11 can have a larger heat receiving area and can be heated more uniformly.

In an alternative of this embodiment, the water boiling container further comprises a heat conductive sheet 4 disposed between the inner container 11 and the heater 2; one side of the heat-conducting sheet 4 abuts against the outer bottom wall of the inner container 11, and the other side abuts against the heater 2.

Specifically, as shown in fig. 2, the heat conducting sheet 4 may be made of an alloy material having a high heat conducting efficiency, the heat conducting sheet 4 may have a shape that is adapted to the outer bottom wall of the inner container 11, the heater 2 is generally formed in a C shape, the heat conducting sheet 4 may be formed in a circular shape, one side facing the inner container 11 is used for abutting against the bottom wall of the inner container 11, and one side facing the inner container 11 is used for mounting the heater 2.

The heat conducting fins 4 can evenly conduct the heat generated by the heater 2 to the bottom wall of the inner container 11, so that the inner container 11 can evenly heat and boil water, and the phenomenon that the inner container 11 is locally overheated is avoided.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A water boiling vessel, comprising:

the kettle body (1), the kettle body (1) comprises an inner container (11), and the inner side of the bottom wall of the inner container (11) is provided with a sound absorption coating;

the heaters (2) are arranged on the kettle body (1) and are at least two, and can heat different parts of the inner container (11);

and the kick switch (3) is electrically connected with the heaters (2) and can regulate and control the electrifying state of each heater (2) so as to change the heated part of the inner container (11).

2. A water boiling vessel according to claim 1, wherein the heater (2) comprises a first heater (21) and a second heater (22);

the first heater (21) and the second heater (22) are respectively and electrically connected with an electric control board (12) in the water boiling container through the snap-action switches (3) which are respectively connected in series;

the electric control board (12) can regulate and control the opening and closing states of the two kick switches (3) so as to change the electrifying states of the first heater (21) and the second heater (22).

3. A water boiling container according to claim 2, wherein the bottom wall of the inner container (11) is further provided with a thermistor (5);

the thermistor (5) is electrically connected with the electric control board (12) and can adjust the resistance value of the thermistor according to the water temperature in the inner container (11);

the electric control board (12) can regulate and control the opening and closing states of the two kick switches (3) according to the resistance value of the thermistor (5).

4. A water boiling vessel according to claim 3, wherein the electric control board (12) is provided with a regulation threshold;

when the self resistance value of the thermistor (5) reaches a regulation threshold value, the electric control board (12) controls the two kick switches (3) to be tripped off circularly, so that the first heater (21) and the second heater (22) are electrified and heated circularly.

5. A water boiling vessel according to claim 1, wherein the heater (2) comprises a first heater (21) and a second heater (22) arranged in parallel with each other;

the kick switch (3) is a temperature control kick switch (31), and the temperature control kick switch (31) is connected with the first heater (21) or the second heater (22) in series;

the temperature control snap-through switch (31) can automatically snap off at a critical temperature so as to power off the first heater (21) or the second heater (22).

6. A water boiling vessel according to claim 5, wherein the kick switch (3) further comprises a steam kick switch (32);

the steam kick switch (32) is arranged in series on the power supply main lines of the first heater (21) and the second heater (22);

the kettle body (1) is provided with a steam guide pipe (13), and the steam guide pipe (13) can guide the steam in the inner container (11) to the steam snap switch (32) so that the steam snap switch (32) can automatically snap off when water is boiled.

7. The water boiling container according to claim 5, wherein the first heater (21) and the second heater (22) are respectively provided outside a bottom wall of the inner container (11);

the temperature control snap switch (31) is connected with the first heater (21) in series, and the sound absorption coating is arranged in the projection area of the second heater (22) on the inner side of the bottom wall of the inner container (11).

8. The water boiling container according to claim 5, wherein the first heater (21) and the second heater (22) are respectively provided outside a bottom wall of the inner container (11);

the temperature control snap switch (31) and the second heater (22) are arranged in series, and the sound absorption coating is arranged in the projection area of the first heater (21) on the inner side of the bottom wall of the inner container (11).

9. The water boiling container according to claim 2 or 5, wherein the first heater (21) and the second heater (22) are respectively provided in a circular arc shape.

10. The water boiling container as claimed in claim 1, further comprising a heat conductive sheet (4) disposed between the inner container (11) and the heater (2);

one side of the heat conducting sheet (4) is abutted against the outer bottom wall of the inner container (11), and the other side is abutted against the heater (2).