CN213216452U

CN213216452U - Electric heating pan

Info

Publication number: CN213216452U
Application number: CN202021960540.1U
Authority: CN
Inventors: 向联合; 颜浩; 孙俊
Original assignee: Hangzhou Kangxi Technology Co ltd
Current assignee: Hangzhou Kangxi Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-18
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a cooking appliance field particularly, relates to an electric food warmer. The electric food warmer comprises an outer pot and an inner pot, wherein the inner pot is sleeved in the outer pot; be equipped with power source on the outer pot, install the electric heat piece on the outer pot, the electric heat piece includes graphite alkene electric heat layer and two-layer insulating piece, and graphite alkene electric heat layer presss from both sides and locates between the two-layer insulating piece, and graphite alkene electric heat layer is connected with the power source electricity. The utility model provides an among the electric heat pot, the insulating piece of electric heat piece can wrap up the graphite alkene electric heat layer as the source that generates heat to, graphite alkene electric heat layer can be kept apart with external insulation through the insulating piece, and then, has reduced the risk of the source that generates heat electric leakage.

Description

Electric heating pan

Technical Field

The utility model relates to a cooking appliance field particularly, relates to an electric food warmer.

Background

The electric food warmer has the advantages of energy conservation and environmental protection as a cooker for cooking food materials by converting electric energy into heat energy.

The existing heating pot generally comprises an outer pot and an inner pot, food materials can be placed in the inner pot, the inner pot can be sleeved in the outer pot, and the inner pot can be taken out of the outer pot so as to be convenient for placing the food materials or cleaning; the outer pot is generally provided with a heating source (such as an electric heating tube) which can generate heat after being electrified so as to heat the food material in the inner pot by using the heating source, however, the heating source on the existing electric heating pot is exposed outside, and the electric heating pot has higher electric leakage risk.

In summary, it is an urgent technical problem to be solved by those skilled in the art to overcome the above-mentioned drawbacks of the conventional electric food warmer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric heat pot to alleviate the higher technical problem of electric leakage risk that the source of generating heat of electric heat pot among the prior art exists.

The utility model provides an electric food warmer, including outer pot and interior pot, interior pot suit in the outer pot.

Be equipped with power source on the outer pot, install the electric heat piece on the outer pot, the electric heat piece includes graphite alkene electric heat layer and two-layer insulating piece, graphite alkene electric heat layer clamp is located two-layerly between the insulating piece, graphite alkene electric heat layer with the power source electricity is connected.

Preferably, as an implementation mode, the graphene electrothermal layer is a coating layer coated on the insulating sheet.

Preferably, as an implementable mode, the electric food warmer comprises a lead electrically connected with the power interface, an electrode is arranged on the graphene electric heating layer, and the electrode and the lead are riveted through a rivet.

Preferably, as an implementation mode, the electric heating pieces are installed on the bottom and the side wall of the outer pot; and/or the electric heating piece is pasted on the outer pot.

Preferably, as an implementation mode, the outer pot comprises a shell and a heat transfer pot body, the shell is sleeved outside the heat transfer pot body, a cavity is formed between the shell and the heat transfer pot body, and the electric heating sheet is installed in the cavity.

Preferably, as an implementation mode, the cavity comprises a bottom cavity located at the bottom of the heat transfer pot body and a side cavity located at the side of the heat transfer pot body, the electric heating pieces comprise circular electric heating pieces and cylindrical electric heating pieces, the circular electric heating pieces are installed in the bottom cavity, and the cylindrical electric heating pieces are installed in the side cavity and arranged around the heat transfer pot body.

Preferably, as an implementable manner, a first switch is connected between the graphene electrothermal layer in the circular electrothermal sheet and the power interface, and a second switch is connected between the graphene electrothermal layer in the cylindrical electrothermal sheet and the power interface.

Preferably, as an implementation mode, the outer pot is provided with an insulating and heat-insulating annular pot opening, the annular pot opening is provided with an annular groove with a downward opening, and the top of the outer shell and the top of the heat transfer pot body are embedded in the annular groove.

Preferably, as an implementation mode, the material of the shell is an insulating and heat-insulating material; and/or the shell is provided with an insulating and heat-insulating pot lug.

Preferably, as an implementation mode, the cover body of the electric food warmer is made of light-transmitting tempered glass.

The utility model provides an electric food warmer's beneficial effect is:

the utility model provides an electric heat pot mainly comprises outer pot and interior pot, and interior pot suit is equipped with power source on the outer pot in the outer pot, installs the electric heat piece on the outer pot, and this electric heat piece includes graphite alkene electric heat layer and two-layer insulating piece, and graphite alkene electric heat layer clamp is located between the two-layer insulating piece, and graphite alkene electric heat layer is connected with the power source electricity to, graphite alkene electric heat layer can the switch on, and generate heat after the circular telegram.

Therefore, the utility model provides an among the electric heat pot, the insulating piece of electric heat piece can wrap up the graphite alkene electric heat layer as the source that generates heat to, graphite alkene electric heat layer can be kept apart with external insulation through the insulating piece, and then, has reduced the risk of the source that generates heat electric leakage.

In addition, the graphene electric heating layer can be made into a thin sheet layer, so that the purpose of wrapping the graphene electric heating layer by using an insulating sheet is facilitated, and the manufacturing difficulty is low. The graphene also has better far infrared characteristic and the graphene electric heating layer is a planar heating source, so that the heating uniformity of food materials can be improved; graphene also has very high electrothermal conversion efficiency, thus, heating is fast, energy consumption can be reduced, and then, power consumption is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an electric food warmer provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an electric food warmer provided by an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of an electric food warmer provided by an embodiment of the present invention;

fig. 5 is a schematic view of an internal structure of a circular electric heating piece in an electric heating pan provided by an embodiment of the present invention;

fig. 6 is a schematic view of an internal structure of a cylindrical electric heating piece in an electric cooker according to an embodiment of the present invention in an expanded state.

Icon:

100-outer pot; 110-a housing; 120-heat transfer pan body; 130-ring pot mouth; 131-an annular groove; 140-pot ears;

200-inner pot;

300-electric heating pieces; 310-an insulating sheet; 320-a graphene electrothermal layer; 330-electrodes; 340-a wire; 350-rivets;

400-a cover body; 410-a handle; 420-air outlet holes;

500-control panel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1, 2 and 4, the present embodiment provides an electric pan, which mainly comprises an outer pan 100 and an inner pan 200, wherein the inner pan 200 is sleeved in the outer pan 100, the outer pan 100 is provided with a power interface, the outer pan 100 is provided with an electric heating sheet 300, the electric heating sheet 300 includes a graphene electric heating layer 320 and two insulating sheets 310, the graphene electric heating layer 320 is clamped between the two insulating sheets 310, and the graphene electric heating layer 320 is electrically connected to the power interface, so that the graphene electric heating layer 320 can be powered on and generate heat after being powered on.

Therefore, in the electric food warmer provided by the present embodiment, the insulating sheet 310 of the electric heating sheet 300 can wrap the graphene electric heating layer 320 as the heat source, so that the graphene electric heating layer 320 can be insulated and isolated from the outside through the insulating sheet 310, and further, the risk of electric leakage of the heat source is reduced.

In addition, the graphene electrothermal layer 320 can be made into a thin sheet layer, so that the purpose of wrapping the graphene electrothermal layer 320 by the insulating sheet 310 is conveniently realized, and the manufacturing difficulty is low. The graphene has a good far infrared characteristic, and the graphene electric heating layer 320 is a planar heating source, so that the heating uniformity of food materials can be improved; graphene also has very high electrothermal conversion efficiency, thus, heating is fast, energy consumption can be reduced, and then, power consumption is reduced.

Preferably, the graphene electrothermal layer 320 can be coated on the insulating sheet 310, that is, the graphene electrothermal layer 320 exists on the insulating sheet 310 in the form of a coating without adding other connecting structures, the operation is simple and convenient, and the graphene electrothermal layer 320 and the insulating sheet 310 can form an integrated structure, so that the structural stability of the electrothermal sheet 300 is improved.

The insulation sheet 310 can be supported by a silicone sheet, which not only meets the insulation requirement of the insulation sheet 310, but also has better flexibility and better adaptability to the curved surface shape of the outer pot 100.

Specifically, referring to fig. 5, the electric pan in this embodiment has a conducting wire 340 electrically connected to the power interface, and correspondingly, the electrode 330 is disposed on the graphene electric heating layer 320, and the electrode 330 and the conducting wire 340 are riveted by a rivet 350, so that the graphene electric heating layer 320 and the power interface can be indirectly electrically connected.

It should be noted that, compared with welding and other connection methods, riveting can better ensure the contact between the motor and the lead 340, and reduce the problem of sparking caused by poor contact, thereby improving the safety of the use of the electric food warmer.

Preferably, referring to fig. 1 and 2, the electric heating strips 300 are installed on both the bottom and the side walls of the outer pot 100, so that the electric heating strips 300 heat the food material in the inner pot 200 from the bottom and the side portions.

It should be noted that, compared to the existing electric pan with only the bottom installed with the heat source, the electric pan provided in this embodiment has the bottom and the side installed with the electric heating pieces 300, which can increase the heating area and enlarge the heating area of the food material in the electric pan, so that not only the heating speed is high and the temperature rise is high, but also the food material in the electric pan is heated uniformly, the problem that the food material is burnt and the upper part is not cooked easily is solved, and the taste of the food material is better.

Particularly, the electric heating sheet 300 can be fixed on the outer pot 100 by means of adhesion, so that the electric heating sheet 300 can be fixed without destroying the structure of the electric heating sheet 300 and the outer pot 100, and the operation is convenient.

Referring to fig. 1, 2 and 3, the outer shell 110 and the heat transfer pot body 120 are arranged in the specific structure of the outer pot 100, the outer shell 110 is sleeved outside the heat transfer pot body 120, and a cavity is formed between the outer shell 110 and the heat transfer pot body 120, on the basis, the electric heating sheet 300 can be arranged in the cavity, so that the whole electric heating sheet 300 can be isolated from the outside, and is not easily worn by the surrounding structure (such as the inner pot 200) of the outer pot 100, thereby being convenient for prolonging the service life of the electric heating sheet 300.

Specifically, referring to fig. 2, 5 and 6, cavities may be provided at both the bottom and the side of the outer pot 100, defining a cavity at the bottom of the heat transfer pot 120 as a bottom cavity and a cavity at the side of the heat transfer pot 120 as a side cavity; correspondingly, the electric heating pieces are at least two types, namely a round electric heating piece and a cylindrical electric heating piece, the round electric heating piece is arranged in the bottom cavity, and the cylindrical electric heating piece is arranged in the side cavity and surrounds the heat transfer pot body 120, so that the heating area can be increased, and the heating area of food materials in the electric heating pot is enlarged.

It should be noted that, referring to fig. 6, the cylindrical electric heating sheet may be formed by rectangular electric heating sheets, that is, the cylindrical electric heating sheet is a rectangular electric heating sheet after being unfolded.

Preferably, a first switch can be connected between the graphene electrothermal layer 320 in the circular electrothermal sheet and the power interface, and a second switch can be connected between the graphene electrothermal layer 320 in the cylindrical electrothermal sheet and the power interface, so that when in use, the following three cooking modes can be selected according to requirements:

firstly, turning on the first switch, turning off the second switch, only selecting a circular electric heating piece to be electrified and heated, and heating food materials in the inner pot 200 from the bottom; secondly, the first switch is turned off, the second switch is turned on, only the cylindrical electric heating sheet is selected to be electrified and heated, and the food materials in the inner pot 200 are heated from the side part; and thirdly, the first switch and the second switch are simultaneously turned on, the circular electric heating sheet and the cylindrical electric heating sheet are selected to simultaneously heat, and the food material in the inner pot 200 is heated from the bottom and the side part.

Note that, the manipulation portions of the first switch and the second switch may be disposed on the control panel 500.

Specifically, referring to fig. 1-3, the outer pot 100 has an insulating and heat-insulating annular pot opening 130, the annular pot opening 130 has an annular groove 131 with a downward opening, and the top of the heat transfer pot body 120 is embedded in the annular groove 131, so that the annular pot opening 130 can seal the cavity of the outer pot 100, and is both insulating and heat-insulating and can be touched directly.

Specifically, referring to fig. 2 and 3, the cross-section of the above-described annular groove 131 may be provided in an n-shape.

In particular, the annular pan opening 130 of the outer pan 100 may be made of an insulating ceramic material.

In addition, the outer shell 110 of the outer pot 100 can be made of insulating and heat insulating materials to reduce the risk of electric shock and scalding.

Referring to fig. 1 and 4, an insulating and heat-insulating handle 140 may be provided on the outer case 110 to facilitate the movement of the electric cooker.

The electric cooker provided by the embodiment has a cover 400, and the cover 400 can be made of transparent tempered glass.

Specifically, the cover 400 is provided with an air outlet 420 to avoid the danger caused by too large pressure in the cooker.

A handle 410 is provided on the cover 400 so that the cover 400 can be opened or closed by holding the handle 410.

To sum up, the utility model discloses an electric food warmer, it has overcome a great deal of technical defect of traditional electric food warmer. In the electric heating pan provided by the embodiment, the insulating sheet 310 of the electric heating sheet 300 can wrap the graphene electric heating layer 320 as a heat source, so that the graphene electric heating layer 320 can be insulated and isolated from the outside through the insulating sheet 310, and further, the risk of electric leakage of the heat source is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An electric food warmer is characterized by comprising an outer pan (100) and an inner pan (200), wherein the inner pan (200) is sleeved in the outer pan (100);

be equipped with power source on outer pot (100), install electric heat piece (300) on outer pot (100), electric heat piece (300) include graphite alkene electric heat layer (320) and two-layer insulating piece (310), graphite alkene electric heat layer (320) press from both sides and locate two-layerly between insulating piece (310), graphite alkene electric heat layer (320) with power source electricity is connected.

2. The electric food warmer of claim 1, wherein the graphene electric heating layer (320) is a coating layer coated on the insulation sheet (310).

3. The electric food warmer of claim 1, wherein the electric food warmer comprises a conducting wire (340) electrically connected to the power interface, an electrode (330) is disposed on the graphene electric heating layer (320), and the electrode (330) is riveted to the conducting wire (340) by a rivet (350).

4. The electric food warmer of any one of claims 1-3, wherein the electric heating strips (300) are mounted on the bottom and the side walls of the outer pan (100); and/or the electric heating piece (300) is stuck on the outer pot (100).

5. The electric pan as claimed in any of claims 1 to 3, wherein the outer pan (100) comprises an outer shell (110) and a heat transfer pan body (120), the outer shell (110) is sleeved outside the heat transfer pan body (120), and a cavity exists between the outer shell (110) and the heat transfer pan body (120), and the electric heating plate (300) is installed in the cavity.

6. The electric pan as claimed in claim 5, wherein the cavity comprises a bottom cavity at the bottom of the heat transfer pan body (120) and a side cavity at the side of the heat transfer pan body (120), and the electric heating sheet (300) comprises a circular electric heating sheet and a cylindrical electric heating sheet, the circular electric heating sheet is installed in the bottom cavity, and the cylindrical electric heating sheet is installed in the side cavity and is arranged around the heat transfer pan body (120).

7. The electric food warmer of claim 6, wherein a first switch is connected between the graphene electric heating layer (320) in the circular electric heating piece and the power interface, and a second switch is connected between the graphene electric heating layer (320) in the cylindrical electric heating piece and the power interface.

8. The electric food warmer of claim 5, wherein the outer pan (100) has an insulating and heat-insulating annular pan opening (130), the annular pan opening (130) has a downwardly opening annular groove (131), and the top of the outer shell (110) and the top of the heat transfer pan body (120) are embedded in the annular groove (131).

9. The electric food warmer of claim 5, wherein the outer casing (110) is made of an insulating material; and/or the housing (110) has an insulating and heat-insulating pot ear (140).

10. The electric food warmer according to any of the claims 1-3, wherein the cover (400) is made of transparent tempered glass.