CN213820995U - High thermal efficiency electric kettle - Google Patents

Abstract

The application provides an electric kettle with high thermal efficiency, which comprises a kettle body, a kettle cover buckled above the kettle body and a heating disc component arranged at the bottom of the kettle body; the electric kettle can further comprise a power supply base, and the kettle body can be placed on the power supply base to realize a heating function through power supply of the power supply base. Wherein, the kettle body comprises an inner container and a shell, the shell is sleeved outside the inner container, and an interlayer space is formed between the shell and the inner container; the heating plate component comprises a heating tube, and the heating tube is arranged in the inner space of the inner container. The application provides a high thermal efficiency's electric kettle, through making the heating tube setting in the inside of inner bag, can realize carrying out high thermal efficiency's heating to liquid in the inner bag, simultaneously, can effectively completely cut off the internal heat of kettle and spread to the outside through the intermediate layer space to reduced the heat loss, promoted the heating efficiency to liquid in the kettle, shortened heating time.

Description

High thermal efficiency electric kettle

Technical Field

The application relates to the technical field of household appliances, in particular to an electric kettle with high thermal efficiency.

Background

The electric kettle is widely used in life and work, and has the advantages of small volume, convenient heating, instant drinking and the like.

At present, as shown in fig. 1, most of electric kettles in the market adopt a hidden heating tube 10, that is, the heating tube 10 is located on the reverse side of an inner container 20 of the electric kettle, and transfers heat to the kettle through a heat-conducting aluminum plate. However, only part of heat on the heat-conducting aluminum plate can be directly transferred into the kettle, and the heat on the part of the heat-conducting aluminum plate, which is not in contact with the inner container of the kettle, is easy to lose, so that the heat loss is large, the energy efficiency is low, and the water boiling time is long.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an electric kettle of high thermal efficiency to solve among the prior art because of the heating tube sets up the problem that causes the heat loss big, the efficiency is low, it is long to boil water time at the reverse side of kettle inner bag.

The application provides an electric kettle of high thermal efficiency, establish including kettle body, knot the pot lid of kettle body top is in with the setting the dish subassembly that generates heat of kettle body bottom, wherein:

the kettle body comprises an inner container and an outer shell, the outer shell is sleeved on the outer side of the inner container, and an interlayer space is formed between the outer shell and the inner container;

the heating plate component comprises a heating tube, and the heating tube is arranged in the inner space of the inner container.

In a possible implementation manner, the heating plate assembly further includes a chassis and a bracket, and the bracket is fixedly disposed on the chassis;

the chassis is provided with a through hole, and the heating tube is fixedly connected with the bracket through the through hole.

In a possible implementation manner, a mounting disc is arranged on the heating tube, and the diameter of the mounting disc is larger than that of the through hole;

after the heating tube is connected with the bracket, the edge of the mounting plate is in sealing butt joint with the chassis.

In a possible implementation manner, the heat generating tray assembly further includes a sealing member, and an edge of the mounting tray is in sealing abutment with the chassis through the sealing member.

In a possible implementation manner, a flange is arranged at the edge of the mounting disc, an annular groove is arranged on the sealing element, and the sealing element is fixedly sleeved on the flange through the annular groove.

In a possible implementation manner, a connecting structure is arranged on the mounting disc, and the mounting disc is fixedly connected with the bracket through the connecting structure.

In a possible implementation manner, the heating plate assembly further comprises a temperature controller, and the temperature controller is connected with the heating tube.

In one possible implementation manner, the heating plate assembly further includes an NTC assembly disposed on the chassis.

In one possible implementation, the heating tube is coiled to form a spiral structure.

In one possible implementation, the heat generating tube is coiled to form a disk-shaped structure.

In a possible implementation manner, the heating plate assembly further comprises a chassis, wherein a boss is arranged on the chassis, and the heating tube is arranged on the boss.

In a possible implementation manner, a fixing hole is formed in the chassis, and a leading-out end is arranged on the heating tube and penetrates out of the fixing hole.

The technical scheme provided by the application can achieve the following beneficial effects:

the application provides a high thermal efficiency's electric kettle, through making the heating tube setting in the inside of inner bag, can realize carrying out high thermal efficiency's heating to liquid in the inner bag, simultaneously, can effectively completely cut off the internal heat of kettle and spread to the outside through the intermediate layer space to reduced the heat loss, promoted the heating efficiency to liquid in the kettle, shortened heating time.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural diagram of an electric kettle in the prior art;

FIG. 2 is a schematic structural diagram of a high thermal efficiency electric kettle according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of a thermally efficient electric kettle according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a thermally efficient electric kettle according to an embodiment of the present application;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an exploded view of a heat disc assembly;

FIG. 7 is a schematic structural view of a heat generating tube;

FIG. 8 is a schematic view of the chassis at one perspective;

FIG. 9 is a schematic view of the chassis from another perspective;

FIG. 10 is a cross-sectional view of a thermally efficient electric kettle according to another embodiment of the present application;

fig. 11 is an exploded view of a heater tray assembly according to another embodiment of the present application.

Reference numerals:

10-a heating tube;

20-inner container;

1-a kettle body;

11-an inner container;

12-a housing;

13-an interlayer space;

14-a bottom cover;

15-a handle;

2-pot cover;

3-a power supply base;

4-a heat-generating disc assembly;

41-heating tube;

411-mounting plate;

4111-a support disk;

4112-a transition section;

4113-a fixed segment;

4114-a connecting structure;

4115-connecting studs;

412-annular ring;

413-a terminal;

42 a-a first chassis;

42 b-a second chassis;

421-a through hole;

422-fixing stud;

423-boss;

424-fixation holes;

43-a scaffold;

431-a second mounting stud;

44-a seal;

45-temperature controller;

5-a temperature controller;

6-liquid;

7-NTC component.

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

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. 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.

As shown in fig. 2 to 11, an embodiment of the present application provides an electric kettle with high thermal efficiency, which includes a kettle body 1, a kettle lid 2 fastened above the kettle body 1, and a heating plate assembly 4 disposed at the bottom of the kettle body 1, wherein a bottom cover 14 is further disposed at the bottom of the kettle body 1, the heating plate assembly 4 can be covered in the bottom cover 14 by the bottom cover 14, and a temperature controller 5 is disposed on the bottom cover 14 to control a heating temperature of a liquid 6 in the kettle; the electric kettle also comprises a power supply base 3, and the kettle body 1 can be placed on the power supply base 3 to realize the heating function by supplying power through the power supply base 3. In addition, in order to move the kettle body 1, a handle 15 can be arranged on the kettle body 1.

The kettle body 1 comprises an inner container 11 and a shell 12, the shell 12 is sleeved on the outer side of the inner container 11, and an interlayer space 13 is formed between the shell 12 and the inner container 11; the heating panel assembly 4 includes a heating tube 41, and the heating tube 41 is disposed in the inner space of the inner container 11.

In the use, when liquid 6 is packed into in the inner bag 11, heating tube 41 can be by liquid 6 submergence, heating tube 41 passes through power base 3 power supply heating back, heating tube 41 can be directly with the kettle in liquid 6 carry out the heat exchange, make the heat all diffuse to in liquid 6, the realization is direct to liquid 6, abundant, the heating of high thermal efficiency, and simultaneously, through setting up intermediate layer space 13 between shell 12 and inner bag 11, can make intermediate layer space 13 play thermal-insulated effect, avoid the intrinsic in-process of heating of kettle to take place calorific loss, also can play the heat preservation effect simultaneously.

Compared with the prior art, the electric kettle with high heat efficiency provided by the application can realize the heating of high heat efficiency on the liquid 6 in the inner container 11 by arranging the heating tube 41 in the inner container 11, and meanwhile, the heat in the kettle can be effectively isolated from being diffused to the outside through the interlayer space 13, so that the heat loss is reduced, the heating efficiency of the liquid 6 in the kettle is improved, and the heating time is shortened.

As a specific implementation manner, the heating plate assembly 4 further includes a first chassis 42a and a bracket 43, and the bracket 43 is fixedly disposed on the first chassis 42 a; the first chassis 42a is provided with a through hole 421, and the heating tube 41 is fixedly connected with the bracket 43 through the through hole 421.

As shown in fig. 4 and 5, the bracket 43 and the heating tube 41 are respectively disposed on two sides of the first chassis 42a, the first chassis 42a may be provided with a fixing stud 422, the bracket 43 may be fixed below the first chassis 42a by the cooperation of a screw and the fixing stud 422, and the bracket 43 may also be fixedly connected to the heating tube 41 by a screw, so that the heating tube 41 may be reliably fixed on one side of the first chassis 42 a. The first bottom plate 42a may be a steel plate made of steel, and the steel plate has high strength and good thermal conductivity and corrosion resistance.

As a specific implementation manner, the heating tube 41 may be provided with a mounting plate 411, a diameter of the mounting plate 411 is larger than a diameter of the through hole 421, and after the heating tube 41 is connected to the bracket 43, an edge of the mounting plate 411 may be in sealing abutment with the first bottom plate 42 a.

The mounting disc 411 is a disc structure, during installation, the position on the mounting disc 411 opposite to the through hole 421 can be fixedly connected with the support 43, and because the diameter of the mounting disc 411 is larger than that of the through hole 421, the edge of the mounting disc 411 can be pressed on the first chassis 42a around the through hole 421, so that the through hole 421 can be sealed by the mounting disc 411, and the liquid 6 in the inner container 11 is prevented from leaking to the lower part of the first chassis 42a, so that the electronic element is prevented from being short-circuited or burnt, and potential safety hazards are caused.

In order to enhance the sealing effect between the mounting plate 411 and the first bottom plate 42a, the heat generating plate assembly 4 further includes a sealing member 44, and an edge of the mounting plate 411 may be in sealing abutment with the first bottom plate 42a through the sealing member 44.

The sealing element 44 may be a silicone sealing ring, the sealing element 44 may be fixed on the mounting disc 411 or on the first chassis 42a around the through hole 421, and after the mounting disc 411 is fixed to the bracket 43, the sealing element 44 may be pressed between the mounting disc 411 and the first chassis 42a, so as to ensure the sealing property between the mounting disc 411 and the first chassis 42 a.

As a specific implementation manner, the sealing element 44 is preferably fixed on the mounting disc 411, specifically, the edge of the mounting disc 411 is provided with a flange, the sealing element 44 is provided with an annular groove, and the sealing element 44 is fixedly sleeved on the flange through the annular groove.

The sealing element 44 is annular, the annular groove is arranged on the inner wall of the sealing element 44, and after the annular groove is sleeved on the flange, the flange can be wrapped in the annular groove by the sealing element 44, so that after the mounting disc 411 is fixed with the bracket 43, the mounting disc 411 can tightly press the sealing element 44 on the first chassis 42 a.

Wherein, the mounting disc 411 specifically can include supporting disc 4111, changeover portion 4112 and fixed section 4113, the heat pipe is fixed to be set up on supporting disc 4111, the both ends of changeover portion 4112 link to each other with supporting disc 4111 and fixed section 4113 respectively, wherein, changeover portion 4112 and fixed section 4113 form above-mentioned turn-ups, changeover portion 4112 can extend in the direction of support 43 place, fixed section 4113 can extend in the direction that is on a parallel with first chassis 42a, seal 44 can overlap fixedly on fixed section 4113 through the fixed cover of ring channel.

When the mounting plate 411 is pressed against the first chassis 42a, the transition section 4112 may be slightly elastically deformed outward by the pressing force, so that the fixed section 4113 may be pressed against the first chassis 42a by the elastic force of the transition section 4112, and a reliable sealing fit between the sealing member 44 on the fixed section 4113 and the first chassis 42a is ensured.

As a specific implementation manner, a connecting structure 4114 is disposed on the mounting plate 411, and the mounting plate 411 is fixedly connected to the bracket 43 through the connecting structure 4114.

The connecting structure 4114 may be disposed on the mounting plate 411 opposite to the through hole 421, so that the connecting structure 4114 is connected to the bracket 43 through the through hole 421.

The connecting structure 4114 may be a first mounting stud, the bracket 43 may be provided with a second mounting stud 431, and the mounting plate 411 and the bracket 43 may be fixedly connected by the first mounting stud, the second mounting stud 431 and a screw.

In order to ensure the reliability of connection between the mounting disc 411 and the bracket 43, a plurality of first mounting studs and a plurality of second mounting studs 431 may be provided, in this embodiment, three first mounting studs and three second mounting studs 431 are provided, and the three first mounting studs and the three second mounting studs 431 are uniformly distributed in the circumferential direction of the mounting disc 411 and the bracket 43, respectively.

As a specific implementation manner, the heating plate assembly 4 may further include a temperature controller 45, and the temperature controller 45 is connected to the heating tube 41.

When the heating tube 41 is heated without the liquid 6 in the kettle, the heating tube 41 is in a dry-heating state, which causes the temperature of the heating tube 41 to rise abnormally, and the temperature controller 45 can obtain the signal of the abnormal temperature of the heating tube 41, and can act quickly to cut off the circuit, thereby preventing continuous dry-heating and protecting the heating tube 41.

Wherein, the temperature controller 45 can be a kick temperature controller 45.

Specifically, a connecting stud 4115 may be disposed on the mounting plate 411, a connecting flange may be disposed on the temperature controller 45, and the temperature controller 45 may be fixed to the mounting plate 411 through the matching of the connecting flange and the connecting stud 4115.

It will be appreciated that a fuse may be provided in the circuit for protection of the circuit, and the fuse may also be secured by the connection studs 4115 on the mounting plate 411.

As a specific implementation manner, the heat generating plate assembly 4 further includes an NTC assembly 7, and the NTC assembly 7 is disposed on the first chassis 42 a.

The NTC element 7 is a semiconductor material or component with a large negative temperature coefficient, and in this embodiment, the NTC element 7 is an NTC thermistor.

When power base 3 began to supply power to heating tube 41, the instantaneous current of power supply was great, easily caused impact and burnout to circuit components and parts, fuse etc. in order to promote circuit factor of safety, can come to carry out the current-limiting to instantaneous current through setting up NTC subassembly 7, effective protection circuit, simultaneously, this NTC subassembly 7 can be along with the rising of temperature, self resistance reduces gradually to guarantee the normal rising of heating tube 41 temperature.

It should be noted that the heating tube 41 in the electric kettle with high thermal efficiency provided in any of the embodiments of the present application can be coiled to form a spiral structure,

this helical structure's heating tube 41 is formed with many circles in the axial, and every round heating tube 41 all forms the annular circle 412 of approximate annular structure, and in this implementation, heating tube 41 is formed with three circles of annular circles 412 in the axial spiral winding, and keeps having the interval between two adjacent annular circles 412, and from this, this helical structure's heating tube 41 can and have great area of contact between the liquid 6 to can promote the heating efficiency to liquid 6, shorten the heat-up time.

Wherein, the heating tube 41 with the spiral structure can be arranged at the center of the first bottom plate 42a, so that the liquid 6 above the first bottom plate 42a can be heated uniformly.

In another specific embodiment, the heat generating tube 41 may also be coiled to form a disk-like structure. The disk-shaped structure does not have the multi-layer annular ring 412 in the axial direction but a disk-shaped single-layer structure that can be formed by the heat generating tubes 41 being wound up and down in the horizontal direction. The heat generating pipe 41 of the single-layer structure may be directly disposed at a central position of the second bottom plate 42b to uniformly heat the liquid 6 above the second bottom plate 42 b.

In this embodiment, the heating plate assembly 4 further includes a second bottom plate 42b, a boss 423 is disposed on the second bottom plate 42b, and the heating tube 41 is disposed on the boss 423.

The boss 423 protrudes towards the inner container 11, the heating tube 41 is arranged on the boss 423, and a distance is kept between the part of the heating tube 41 not contacted with the boss 423 and the second bottom plate 42b, so that the liquid 6 flows in, the heating tube 41 and the liquid 6 above the second bottom plate 42b have a larger contact area, and the heating efficiency is improved.

The boss 423 may be formed on the second chassis 42b by a stamping process in the manufacturing process, so that a groove is formed on the back of the boss 423, and the groove may be used for installing the trip temperature controller 45 to achieve dry burning prevention protection.

Further, the second chassis 42b may be provided with a fixing hole 424, the heating tube 41 may be provided with two terminals 413, and the terminals 413 may pass through the fixing hole 424. The lead-out terminal 413 can be used for connecting a circuit to realize the heating of the heating tube 41.

It should be noted that, after the leading-out end 413 passes through the fixing hole 424, the fixing hole 424 can be sealed at the same time, so as to prevent the liquid 6 in the kettle from leaking at the fixing hole 424.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (12)

1. The utility model provides an electric kettle of high thermal efficiency, includes kettle body (1), detains and establishes kettle lid (2) and the setting of kettle body (1) top are in the dish subassembly (4) that generates heat of kettle body (1) bottom, its characterized in that:

the kettle body (1) comprises an inner container (11) and a shell (12), the shell (12) is sleeved on the outer side of the inner container (11), and an interlayer space (13) is formed between the shell (12) and the inner container (11);

the heating disc assembly (4) comprises a heating tube (41), and the heating tube (41) is arranged in the inner space of the inner container (11).

2. A thermally efficient electric kettle according to claim 1, characterized in that said heat dish assembly (4) further comprises a first chassis (42a) and a bracket (43), said bracket (43) being fixedly arranged on said first chassis (42 a);

the first chassis (42a) is provided with a through hole (421), and the heating tube (41) is fixedly connected with the bracket (43) through the through hole (421).

3. A high heat efficiency electric kettle as claimed in claim 2, wherein said heating tube (41) is provided with a mounting plate (411), the diameter of said mounting plate (411) is larger than the diameter of said through hole (421);

after the heating tube (41) is connected with the bracket (43), the edge of the mounting plate (411) is in sealing contact with the first chassis (42 a).

4. A thermally efficient electric kettle according to claim 3, wherein said heat generating tray assembly (4) further comprises a seal (44), the edge of said mounting tray (411) being in sealing abutment with said first base tray (42a) via said seal (44).

5. A high thermal efficiency electric kettle according to claim 4, wherein the edge of said mounting plate (411) is provided with a flange, said sealing member (44) is provided with an annular groove, and said sealing member (44) is fixedly sleeved on said flange through said annular groove.

6. A thermally efficient electric kettle according to claim 3, wherein said mounting plate (411) is provided with connection means (4114), said mounting plate (411) being fixedly connected to said frame (43) by means of said connection means (4114).

7. A thermally efficient electric kettle according to claim 1, characterized in that said heating tray assembly (4) further comprises a thermostat (45), said thermostat (45) being connected to said heating tube (41).

8. A thermally efficient electric kettle according to claim 2, characterized in that said heat dish assembly (4) further comprises an NTC assembly (7), said NTC assembly (7) being arranged on said first chassis (42 a).

9. A thermally efficient electric kettle according to any of claims 1-8, characterized in that the heat generating tube (41) is coiled to form a spiral structure.

10. A thermally efficient electric kettle according to claim 1, characterized in that said heat generating tube (41) is coiled to form a disc like structure.

11. A thermally efficient electric kettle according to claim 10, characterized in that said heating plate assembly (4) further comprises a second base plate (42b), said second base plate (42b) being provided with a boss (423), said heating tube (41) being provided on said boss (423).

12. A high heat efficiency electric kettle according to claim 11, wherein said second base plate (42b) is provided with a fixing hole (424), said heating tube (41) is provided with a leading end (413), and said leading end (413) is passed out from said fixing hole (424).

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