CN219331385U - Heating element and oven - Google Patents

Abstract

The utility model relates to the technical field of ovens, in particular to a heating assembly and an oven. The heating component comprises a graphene heating piece, a glass tube and microcrystalline glass; the graphene heating piece comprises an anode connecting end, a heating section and a cathode connecting end which are opposite to each other, wherein the anode connecting end is connected with the anode of a power supply device of the oven, and the cathode connecting end is connected with the cathode of the power supply device of the oven; the shape of the cross section of the heating section along the first direction comprises a wave shape; the first direction is the length extension direction of the graphene heating piece; the graphene heating piece is obtained by graphene molding; the graphene heating piece is arranged in the glass tube; the microcrystalline glass is close to the bottom or the top of the glass tube, so that the heating component is used in the oven, and the characteristics of instantaneous heating and reduction of the preheating time of a user can be achieved.

Description

Heating element and oven

Technical Field

The utility model relates to the technical field of ovens, in particular to a heating assembly and an oven.

Background

The oven module applied to the integrated kitchen products at present is usually heated by adopting a stainless steel electric heating tube, and has low heating speed and low heat efficiency. Meanwhile, when a user uses the oven to cook food, the food needs to be preheated, for example, the food is put in the state of not preheating, and the food materials can be heated unevenly, water loss, skin scorch and the like in the early heating and temperature raising stage. Therefore, an integrated oven module which is quick to heat and free from preheating needs to be designed.

Disclosure of Invention

The utility model aims to solve the technical problem of low heating speed of the oven in the prior art.

In order to solve the technical problems, one aspect of the application discloses a heating component, which comprises a graphene heating piece, a glass tube and microcrystalline glass;

the graphene heating piece comprises an anode connecting end, a heating section and a cathode connecting end which are opposite to each other, wherein the anode connecting end is connected with the anode of a power supply device of the oven, and the cathode connecting end is connected with the cathode of the power supply device of the oven; the shape of the cross section of the heating section along the first direction comprises a wave shape; the first direction is the length extension direction of the graphene heating piece; the graphene heating piece is obtained by graphene molding;

the graphene heating piece is arranged in the glass tube;

the microcrystalline glass is near the bottom or the top of the glass tube.

Optionally, the shape of the cross section of the heating section along the first direction further comprises a rectangle.

Optionally, when the heating section has a cross section in the first direction, the heating section has a corrugated shape;

the heating section is composed of a plurality of unit structures connected end to end;

one side of the unit structure has an opening.

Optionally, the unit structure includes a first section, a first lateral section, a second section, and a second lateral section;

one end of the first transverse section is connected with the first section, the other end of the first transverse section is connected with the second section, and the first section and the second section are positioned on the same side of the first transverse section;

the end of the second section remote from the first transverse section is connected to the second transverse section.

Optionally, the unit structure includes a first oblique section and a second oblique section;

one end of the first inclined section is connected with one end of the second inclined section, and a preset included angle exists;

the preset included angle is greater than zero and less than 90 degrees.

Optionally, the device further comprises a first fixing piece and a second fixing piece;

the first fixing piece is sleeved on one end of the glass tube and the positive electrode connecting end;

the second fixing sleeve is sleeved on the other end of the glass tube and the negative electrode connecting end;

the graphene heating element can be fixed in the glass tube through the cooperation of the first fixing element and the second fixing element.

Optionally, the heating section has a width greater than the width of the positive connection end and greater than the width of the negative connection end.

Optionally, the heating tube also comprises a fixed bracket and a heating tube cover;

the fixing support is arranged at the end part of the heating pipe cover, and the heating pipe cover, the fixing support and the glass ceramic form a heating element accommodating space;

the graphene heating element is positioned in the heating element accommodating space;

the positive electrode connecting end is fixedly connected with the heating tube cover through a third fixing piece, and the negative electrode connecting end is connected with the fixing support.

In another aspect, the application also discloses an oven comprising the heating assembly.

Optionally, the device also comprises an inner container;

the top and/or bottom of the inner container is provided with a through hole structure;

the heating component is arranged in the through hole structure.

By adopting the technical scheme, the heating assembly provided by the application has the following beneficial effects:

the heating component comprises a graphene heating piece, a glass tube and microcrystalline glass; the graphene heating piece comprises an anode connecting end, a heating section and a cathode connecting end which are opposite to each other, wherein the anode connecting end is connected with the anode of a power supply device of the oven, and the cathode connecting end is connected with the cathode of the power supply device of the oven; the shape of the cross section of the heating section along the first direction comprises a wave shape; the first direction is the length extension direction of the graphene heating piece; the graphene heating piece is obtained by graphene molding; the graphene heating piece is arranged in the glass tube; microcrystalline glass is close to the bottom or the top of glass pipe to when making this heating element be used for the oven, can reach instantaneous heating, reduce user's preheating time, the effect is better after the food baking, promotes user experience and taste, and the characteristics that the heating uniformity is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a heating assembly according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a graphene heating element provided in an embodiment of the present application;

FIG. 3 is a partial schematic view of a heating section provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a unit structure according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of another unit structure according to an embodiment of the present disclosure;

FIG. 6 is an exploded view of a heating assembly provided in an embodiment of the present application;

FIG. 7 is a schematic view of a toaster according to an embodiment of the present application;

fig. 8 is an exploded view of an oven provided in an embodiment of the present application.

The following supplementary explanation is given to the accompanying drawings:

1-a graphene heating element; 11-positive electrode connection end; 12-a negative electrode connection terminal; 13-a heating section; 14-unit structure; 141-first section; 142-a first transverse section; 143-a second section; 144-a second transverse section; 145-a first diagonal segment; 146-a second diagonal segment; 2-glass tube; 3-glass ceramics; 4-a second fixing member; 5-a first sheath; 6-a second sheath; 7-a first fixing member; 8-fixing a bracket; 9-heating the tube cover; 901-a third mount; 10-an inner container; 101-via structure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a heating assembly according to an embodiment of the present application. The heating component comprises a graphene heating piece 1, a glass tube 2 and microcrystalline glass 3; the graphene heating element 1 comprises an anode connecting end 11, a heating section 13 and a cathode connecting end 12 which are opposite, wherein the anode connecting end 11 is connected with the anode of a power supply device of an oven, and the cathode connecting end 12 is connected with the cathode of the power supply device of the oven; the shape of the cross section of the heating section 13 in the first direction includes a corrugated shape; the first direction is the length extending direction of the graphene heating element 1; the graphene heating piece 1 is obtained by graphene molding; the graphene heating piece 1 is arranged in the glass tube 2; the glass ceramics 3 is near the bottom or the top of the glass tube 2. When being arranged in the oven with this heating element, after the circular telegram, this graphite alkene heating member 1 can instantaneous heating, produces instantaneous heat to reach the effect that reduces user's preset time, and place this graphite alkene heating member 1 in glass pipe 2, can make the more even radiation of heat that graphite alkene heating member 1 produced go out, and play the effect of protection graphite alkene heating member 1.

Alternatively, the glass tube 2 may be a transparent quartz glass tube, which has a high softening temperature, a low thermal expansion coefficient, high mechanical strength, and good chemical stability, and is suitable for a high-temperature working environment in an oven.

In one possible embodiment, referring to fig. 2, fig. 2 is a schematic structural diagram of a graphene heating element according to an embodiment of the present application. The graphene heating element 1 further comprises a heating section 13, and a cross section of the heating section 13 along a first direction (an x-axis direction as shown in fig. 2) has a corrugated shape.

To improve the heating effect; in one possible embodiment, referring to fig. 3, fig. 3 is a schematic partial view of a heating section according to an embodiment of the present application. The shape of the cross section of the heating section 13 along the first direction is a wave-folded shape; the heating section 13 is formed by a plurality of unit structures 14 connected end to end; one side of the unit structure 14 has an opening. Referring to fig. 4, fig. 4 is a schematic structural diagram of a unit structure according to an embodiment of the present application. In one possible embodiment, the cell structure 14 includes a first section 141, a first lateral section 142, a second section 143, and a second lateral section 144; one end of the first transverse section 142 is connected with the first section 141, the other end of the first transverse section 142 is connected with the second section 143, and the first section 141 and the second section 143 are positioned on the same side of the first transverse section 142; the end of the second section 143 remote from the first transverse section 142 is connected to the second transverse section 144, i.e. is constituted by a U-shaped structure and a transverse section; optionally, to further increase the heating effect, the length of the straightened heating section 13 is increased, and the first section 141 and the second section 143 are perpendicular to the side of the first transverse section 142 (see fig. 4) and perpendicular to the second transverse section 144.

Referring to fig. 5, fig. 5 is a schematic structural diagram of another unit structure according to an embodiment of the present application. In another possible embodiment, the cell structure 14 includes a first diagonal segment 145 and a second diagonal segment 146; one end of the first oblique section 145 is connected with one end of the second oblique section 146, and a preset included angle exists; the preset included angle is greater than zero and less than 90 degrees.

Note that, the corrugated unit structure 14 may not be limited to those shown in fig. 4 and 5, and may be, for example, a positive-spinning waveform; and further, the shape of the cross section of the heating section 13 may also be spiral or the like; the assembly of the graphene heating element 1 and the glass tube 2 may not be limited to 1 shown in fig. 1, i.e., 2 or 3 or … … n may be provided, where n is an integer equal to or greater than 4, so as to further improve the heating effect.

Optionally, the width of the heating section 13 is larger than the width of the positive electrode connection terminal 11 and the width of the negative electrode connection terminal 12.

Optionally, the glass tube 2 may be filled with an inert gas, such as argon, which may improve the reliability, maximum high temperature resistance and service life of the heating assembly.

In one possible embodiment, referring to fig. 6, fig. 6 is an exploded view of a heating assembly according to an embodiment of the present application. The heating assembly further comprises a first fixture 7 and a second fixture 4; the first fixing piece 7 is sleeved on one end of the glass tube 2 and the positive electrode connecting end 11; the second fixing is sleeved on the other end of the glass tube 2 and the negative electrode connecting end 12; the graphene heating element 1 can be fixed in the glass tube 2 by the cooperation of the first fixing element 7 and the second fixing element 4. Optionally, the heating assembly further comprises a first sheath 5 and a second sheath 6; the first sheath 5 is sleeved on the first fixing piece 7, and the second sheath 6 is sleeved on the second fixing piece 4; the first sheath 5 and the yielding sheath are arranged for improving the reliability of the connection of the end part and external equipment; alternatively, the materials of the first fixing member 7 and the second fixing member 4 may be ceramics, which has the characteristic of good heat dissipation. Alternatively, the graphene heating element 1 may be fixed in the glass tube 2 by a manner that the first fixing element 7 may be a hollow structure, and one end has an opening for being matched with a protrusion at one end of the glass tube 2, and the positive electrode connecting end 11 passes through the first fixing element 7 to be matched and fixed with the first sheath 5; the positive electrode connecting end 11 can be matched and fixed on the basis of a small aperture in the first fixing piece 7; a small-aperture structure can be arranged at the end part of the glass tube 2 to be matched and fixed with the positive electrode connecting end 11; the negative electrode connection terminal 12 is fixed to the positive electrode connection terminal 11 in the same manner, and will not be described in detail here.

The working principle of the heating assembly provided by the application is as follows:

the positive and negative connecting ends of the graphene heating element 1 in the heating assembly are connected with the power supply device, after the power supply device is started, the graphene heating element 1 is electrified, and as the graphene heating element 1 is prepared and processed by a graphene material, the formed graphene heating element 1 has unique grain orientation, has ultrahigh heat conduction performance, has the advantage of good directional heat uniformity, and can stimulate carbon atoms to do Brownian motion after being excited by electric energy, the carbon atoms collide with the carbon atoms in the motion process, so that heat is generated, and then the heat is further and uniformly radiated through the glass tube 2 and the glass ceramics 3, and the glass ceramics 3 is arranged, so that sundries generated in the food heating process are prevented from adhering to the glass guide tube 2, a user is facilitated to clean an oven, heat conduction and convection of air are facilitated, and the heating of food is realized.

In another aspect, the application also discloses an oven comprising the heating assembly.

Referring to fig. 7 and 8, fig. 7 is a schematic structural diagram of an oven according to an embodiment of the present disclosure; fig. 8 is an exploded view of an oven provided in an embodiment of the present application. In a possible embodiment, the oven further comprises an inner container 10; the top of the liner 10 is provided with a through hole structure 101; the heating component is arranged in the through hole structure 101, and optionally, the bottom of the liner 10 is also provided with the through hole structure 101 according to the requirement; in order to further improve the heating effect of the oven, a through hole structure 101 can be arranged at the top and bottom of the inner container 10; alternatively, the via structure 101 may be a submerged via, and a glass-ceramic 3 described below may be placed thereon and fixed to the via. Optionally, the through hole structure 101 may also be a hollow groove structure with a hollowed bottom and a hollowed middle area, so as to support the glass ceramic 3, and the structure is simpler.

In a possible embodiment, the heating assembly further comprises a fixed support 8 and a heating tube cover 9; the fixed bracket 8 is arranged at the end part of the heating pipe cover 9, and the heating pipe cover 9, the fixed bracket 8 and the glass ceramic 3 form a heating element accommodating space; the graphene heating element 1 is positioned in the heating element accommodating space; the positive electrode connecting end 11 is fixedly connected with the heating tube cover 9 through a third fixing piece 901, and the negative electrode connecting end 12 is connected with the fixing support 8.

Alternatively, the third fixing member 901 may be engaged with the top of the heating tube cover 9.

In this embodiment, the oven may further include a box body and a box door, the box body is provided with the inner container, and a slide rail is disposed in the inner container, for placing the built-in baking tray/grill.

It should be noted that, a plurality of graphene heating elements 1 as shown in fig. 1 can be arranged in the accommodating space according to the requirement, and the graphene heating elements 1 can generate instant heat under the power-on working state, and the heat can be radiated into the oven cavity through the glass ceramics 3, so that the top and/or bottom heating effect is achieved. The graphene heating piece 1 is more uniformly distributed, and has better temperature uniformity, so that the cost is lower. Optionally, the graphene heating element 1 and the glass tube 2 may form a heating tube, and a plurality of heating tubes may be disposed in the accommodating space, where the plurality of heating tubes may be disposed in parallel, and specific lengths, angles, and the like are not limited; the plurality of graphene heating elements 1 may be disposed in one glass tube, and the disposition positions, angles and lengths of the plurality of graphene heating elements 1 are not limited. Optionally, the heating assembly described above may also be provided on the top, bottom or side walls of the liner 10, as desired.

In this embodiment, the oven may further include a related control switch, such as a power switch and a temperature control switch, where when the power switch is turned on, a desired temperature may be selected by the temperature control switch to control the electric energy reaching the graphene heating element 1, so as to control the heat generated by the graphene heating element 1, and achieve the effect of controlling the heating temperature of the oven.

The foregoing description of the preferred embodiments of the present application is not intended to limit the utility model to the particular embodiments of the present application, but to limit the scope of the utility model to the particular embodiments of the present application.

Claims (10)

1. The heating component is characterized by comprising a graphene heating piece (1), a glass tube (2) and microcrystalline glass (3);

the graphene heating piece (1) comprises an anode connecting end (11), a heating section (13) and a cathode connecting end (12) which are connected in sequence, wherein the anode connecting end (11) is connected with the anode of a power supply device of the oven, and the cathode connecting end (12) is connected with the cathode of the power supply device of the oven; the shape of the cross section of the heating section (13) along the first direction comprises a wave-folded shape; the first direction is the length extending direction of the graphene heating piece (1); the graphene heating piece (1) is obtained by graphene molding;

the graphene heating piece (1) is arranged in the glass tube (2);

the microcrystalline glass (3) is close to the bottom or the top of the glass tube (2).

2. A heating assembly according to claim 1, characterized in that the shape of the cross-section of the heating section (13) in the first direction is a wave-fold;

the heating section (13) is composed of a plurality of unit structures (14) connected end to end;

one side of the unit structure (14) is provided with an opening.

3. The heating assembly of claim 2, wherein the unit structure (14) comprises a first section (141), a first transverse section (142), a second section (143), and a second transverse section (144);

one end of the first transverse section (142) is connected with the first section (141), the other end of the first transverse section (142) is connected with the second section (143), and the first section (141) and the second section (143) are positioned on the same side of the first transverse section (142);

an end of the second section (143) remote from the first transverse section (142) is connected to the second transverse section (144).

4. The heating assembly of claim 2, wherein the unit structure (14) comprises a first diagonal segment (145) and a second diagonal segment (146);

one end of the first inclined section (145) is connected with one end of the second inclined section (146), and a preset included angle exists;

the preset included angle is larger than zero and smaller than 90 degrees.

5. A heating assembly according to claim 1, wherein the cross-sectional shape of the heating section (13) in the first direction further comprises a rectangle.

6. A heating assembly according to claim 1, further comprising a first fixture (7) and a second fixture (4);

the first fixing piece (7) is sleeved on one end of the glass tube (2) and the positive electrode connecting end (11);

the second fixing is sleeved on the other end of the glass tube (2) and the negative electrode connecting end (12);

the graphene heating element (1) can be fixed in the glass tube (2) through the cooperation of the first fixing element (7) and the second fixing element (4).

7. A heating assembly according to claim 1, characterized in that the heating section (13) has a width that is greater than the width of the positive connection end (11) and greater than the width of the negative connection end (12).

8. A heating assembly according to claim 1, further comprising a fixed bracket (8) and a heating tube cover (9);

the fixing support (8) is arranged at the end part of the heating pipe cover (9), and the heating pipe cover (9), the fixing support (8) and the glass ceramic (3) form a heating element accommodating space;

the graphene heating element (1) is positioned in the heating element accommodating space;

the positive electrode connecting end (11) is fixedly connected with the heating tube cover (9) through a third fixing piece (901), and the negative electrode connecting end (12) is connected with the fixing support (8).

9. An oven comprising a heating assembly as claimed in any one of claims 1 to 8.

10. The oven according to claim 9, characterized in, that it further comprises an inner container (10);

the top and/or the bottom of the inner container (10) is/are provided with a through hole structure (101);

the heating element is arranged in the through hole structure (101).

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