CN214258919U

CN214258919U - Energy-saving electric cooker

Info

Publication number: CN214258919U
Application number: CN202022823029.3U
Authority: CN
Inventors: 吴一民
Original assignee: Shanxi Rewanjia Energy Saving Heating Technology Co ltd
Current assignee: Shanxi Rewanjia Energy Saving Heating Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-24
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an energy-saving electric rice cooker, which comprises a shell, a heating device and an inner container, wherein the heating device is arranged between the shell and the inner container, a heat conducting cavity is arranged into a barrel shape with a hollow interlayer, and an electric heating pipe is arranged in the hollow interlayer, so that the inner container can be heated in a surrounding way, and compared with the bottom heating in the prior art, the heating effect is more uniform, and the heating speed is faster; by arranging the heat preservation layer, the inner container can be heated and preserved by utilizing the residual heat of the electric heating pipe after power failure, so that the electric energy is saved; the heating wire is composed of a carbon fiber heating wire, a silicon dioxide coating is arranged on the surface of the carbon fiber heating wire, and a plurality of heat exchange protrusions are arranged on the surface of the heating pipe body, so that the aims of improving the heating performance of the heating wire and increasing the heat exchange area of the heating pipe body are fulfilled, the technical effect of improving the heating efficiency of the energy-saving electric cooker is achieved, and the problem of low heating efficiency of the energy-saving electric cooker in the related technology is solved.

Description

Energy-saving electric cooker

Technical Field

The utility model relates to an electric rice cooker technical field, concretely relates to energy-conserving electric rice cooker.

Background

Electric rice cookers, also known as electric cookers and electric rice cookers. The electric cooker converts electric energy into heat energy, has various operation functions of steaming, boiling, stewing and the like on food, and is convenient to use, safe and reliable. The multifunctional cooking machine can cook food, can preserve heat, is clean and sanitary to use, has no pollution, saves time and labor, and is one of indispensable tools for modernization of housework.

The heating device of the existing electric cooker is mostly a heating chassis, and has the problems of low heating efficiency and electricity consumption, and an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides an energy-conserving rice cooker to the rice cooker of solving among the correlation technique has the problem that heating efficiency is low and take the electricity.

The technical scheme of the utility model is specifically as follows:

an energy-saving electric rice cooker comprises a shell, a heating device and an inner container, wherein the heating device is arranged between the shell and the inner container, the heating device comprises a heat conduction cavity and an electric heating pipe, the heat conduction cavity is barrel-shaped with a hollow interlayer, the electric heating pipe is arranged in the hollow interlayer, the electric heating pipe comprises a heating pipe body, heat conduction oil and a heating wire, the heat conduction oil and the heating wire are arranged in the heating pipe body, and one end of the heating wire extends out of the heating pipe body and is provided with an electric wire; the heating wire is composed of carbon fiber heating wires, a silicon dioxide coating is arranged on the surfaces of the carbon fiber heating wires, and a plurality of heat exchange protrusions are arranged on the surfaces of the heating tubes.

Preferably, the electric heating pipe is spirally coiled in the heat conducting cavity.

Preferably, an insulating layer is arranged between the heating device and the shell.

Preferably, the carbon fiber heating wire is spirally arranged in the heating pipe body.

Preferably, the heating pipe body is provided with an oil change valve for adjusting the internal pressure of the heating pipe body.

Preferably, the heat exchanging protrusions are arranged in a spherical shape and uniformly distributed on the outer surface of the heating pipe body.

Preferably, the thermal oil is hydrogenated terphenyl thermal oil.

Preferably, the heating pipe body include the pipe shaft and with the sealed tube socket that sets up of pipe shaft, the pipe shaft is established to heat conduction metal pipe, carbon fiber heating wire and electric wire are all located on the tube socket.

Preferably, the tube seat is provided with a fixed tube, the fixed tube is inserted into the cavity of the tube body, the carbon fiber heating wire is wound on the outer surface of the fixed tube, the fixed tube is provided with a plurality of meshes, and a gap is reserved between the carbon fiber heating wire and the inner wall of the tube body.

Preferably, the pipe body is kept away from the one end of tube socket can dismantle and be provided with the shutoff piece, shutoff piece with pipe body thread sealing connection, the shutoff piece outer end is provided with the straight groove.

The beneficial effects of the utility model are embodied in:

the utility model improves the heating device, sets the heat conducting cavity into a barrel shape with a hollow interlayer, and arranges the electric heating pipes in the hollow interlayer, so as to heat the inner container in a surrounding manner, and compared with the bottom heating in the prior art, the heating effect is more uniform and the heating speed is faster; by arranging the heat preservation layer, the inner container can be heated and preserved by utilizing the residual heat of the electric heating pipe after power failure, so that the electric energy is saved; the heating wire is composed of a carbon fiber heating wire, a silicon dioxide coating is arranged on the surface of the carbon fiber heating wire, and a plurality of heat exchange protrusions are arranged on the surface of the heating pipe body, so that the aims of improving the heating performance of the heating wire and increasing the heat exchange area of the heating pipe body are fulfilled, the technical effect of improving the heating efficiency of the energy-saving electric cooker is achieved, and the problem of low heating efficiency of the energy-saving electric cooker in the related technology is solved.

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. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of an energy-saving electric rice cooker according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an electric heating tube of the energy-saving electric rice cooker according to an embodiment of the present invention;

in the attached drawing, 1-a pipe seat, 2-heat exchange bulges, 3-a pipe body, 4-a fixed pipe, 5-a mesh, 6-a heating pipe body, 7-a heating wire, 8-heat conduction oil, 9-a blocking piece, 10-a shell, 11-an inner container, 12-an electric heating pipe, 13-a heat conduction cavity and 14-a heat insulation layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

The embodiment of the application provides an energy-saving electric cooker, as shown in fig. 1, including casing 10, heating device and inner bag 11, heating device locates between casing 10 and the inner bag 11, heating device includes heat conduction chamber 13 and electric heating pipe 12, heat conduction chamber 13 is for having the barrel-shaped of cavity intermediate layer, electric heating pipe 12 lays in the cavity intermediate layer, electric heating pipe 12 is at heat conduction chamber 13 internal spiral coil setting, and the ladle body part in barrel-shaped heat conduction chamber 13 is spiral coil, is the mosquito-repellent incense form at the ladle bottom part and coils, be provided with heat preservation 14 between heating device and the casing 10. As shown in fig. 2, the heating pipe body 6, the heat transfer oil 8 disposed in the heating pipe body 6, and the heating wire 7, one end of the heating wire 7 extending out of the heating pipe body 6 and provided with an electric wire; wherein, heater strip 7 comprises carbon fiber heating wire, and carbon fiber heating wire's surface is provided with the silica coating, and heating pipe 6 surface is provided with a plurality of heat transfer archs 2.

In this embodiment, the heating device is improved, the heat conduction cavity 13 is arranged to be barrel-shaped with a hollow interlayer, and the electric heating tube 12 is arranged in the hollow interlayer, so that the inner container 11 can be heated in a surrounding manner, and compared with bottom heating in the prior art, the heating effect is more uniform and the heating speed is higher; by arranging the heat insulation layer 14, the inner container 10 can be heated and insulated by utilizing the residual temperature of the electric heating pipe 12 after power failure, so that the electric energy is saved; the heating pipe body 6 can be arranged in a cylindrical shape, the heating pipe body 6 is arranged in a hollow shape, the heating part of the heating wire 7 is arranged in the hollow part of the heating pipe body 6, the heat conducting oil 8 is injected into the hollow cavity of the heating pipe body 6 and is immersed in the heating part of the heating wire 7, the heating pipe body 6 is made of metal with better heat conducting property, such as stainless steel metal, one end of the heating wire 7 is connected with a power supply through an electric wire so as to heat and heat the heat conducting oil 8, so that heat is conveyed to the outside through the heating pipe body 6, the heating wire 7 is composed of carbon fiber heating wires, and a silicon dioxide coating is coated on the surfaces of the carbon fiber heating wires so as to improve the heating property of the heating wire 7, the heat exchange protrusions 2 on the surface of the heating pipe body 6 can effectively increase the contact area between the heating pipe body 6 and the outside, so as to improve the heat exchange efficiency, and the structure of the heat exchange protrusions 2 is not limited here, can be arranged in a spherical shape, a fan shape or a sheet shape, etc. The embodiment achieves the purposes of improving the heating performance of the heating wire and increasing the heat exchange area of the heating pipe body 6, thereby realizing the technical effect of improving the heating efficiency of the energy-saving electric cooker and further solving the problem that the energy-saving electric cooker in the related technology has low heating efficiency.

As shown in fig. 2, carbon fiber heating wire is the screw-tupe and locates in heating body 6, thereby increase carbon fiber heating wire's length, then improve the heating efficiency to conduction oil 8, be provided with the oil change valve that is used for adjusting 6 internal pressure of heating body on the heating body 6, be convenient for change conduction oil 8 and adjust the pressure of 6 inside heating bodies through the oil change valve, the oil change valve can set up to the pressure valve, when the pressure of 6 inside heating bodies reaches the threshold value, the oil change valve is opened and is carried out the pressure release, prevent the inside explosion of heating body 6.

As shown in fig. 2, the heat exchange protrusions 2 are arranged in a spherical shape and uniformly distributed on the outer surface of the heating pipe body 6, and the heat transfer oil 8 is hydrogenated terphenyl heat transfer oil 8.

As shown in fig. 2, the heating pipe body 6 includes a pipe body 3 and a pipe seat 1 sealed with the pipe body 3, the pipe body 3 is a heat-conducting metal pipe, and the carbon fiber heating wire and the electric wire are both disposed on the pipe seat 1. Be provided with fixed pipe 4 on tube socket 1, in fixed pipe 4 inserted the cavity of shaft 3, carbon fiber heating wire twined and establishes at fixed 4 surfaces of pipe, has seted up a plurality of meshs 5 on the fixed pipe 4, has the clearance between carbon fiber heating wire and the 3 inner walls of shaft.

Because the pipe shaft 3 is the heat conduction metal pipe, consequently for avoiding carbon fiber heating wire and 3 contacts of pipe shaft and produce the electric leakage, consequently need with carbon fiber heating wire at the inside rigidity of pipe shaft 3, it is concrete, in this embodiment, through setting up a fixed pipe 4 on pipe seat 1, fixed pipe 4 inserts in the pipe shaft 3, carbon fiber heating wire cover is established on fixed pipe 4, realize the fixed to carbon fiber heating wire through fixed pipe 4, for the heating to conduction oil 8, consequently set up a plurality of meshs 5 on fixed pipe 4.

As shown in figure 2, one end of the pipe body 3, which is far away from the pipe seat 1, is detachably provided with a plugging piece 9, the plugging piece is in threaded sealing connection with the pipe body 3, and the outer end of the plugging piece 9 is provided with a straight groove. Can realize convenient clearance and maintenance to body of pipe 3 through detachable shutoff piece 9.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An energy-saving electric cooker is characterized in that: the heating device is arranged between the shell and the inner container, the heating device comprises a heat conduction cavity and an electric heating pipe, the heat conduction cavity is barrel-shaped with a hollow interlayer, the electric heating pipe is arranged in the hollow interlayer, the electric heating pipe comprises a heating pipe body, heat conduction oil and a heating wire, the heat conduction oil and the heating wire are arranged in the heating pipe body, and one end of the heating wire extends out of the heating pipe body and is provided with an electric wire; the heating wire is composed of carbon fiber heating wires, a silicon dioxide coating is arranged on the surfaces of the carbon fiber heating wires, and a plurality of heat exchange protrusions are arranged on the surfaces of the heating tubes.

2. The energy-saving electric rice cooker according to claim 1, characterized in that: the electric heating pipe is spirally wound in the heat conducting cavity.

3. The energy-saving electric rice cooker according to claim 2, characterized in that: and a heat insulation layer is arranged between the heating device and the shell.

4. The energy-saving electric rice cooker according to claim 3, characterized in that: the carbon fiber heating wire is spirally arranged in the heating pipe body.

5. The energy-saving electric rice cooker according to claim 4, characterized in that: and an oil changing valve for adjusting the internal pressure of the heating pipe body is arranged on the heating pipe body.

6. The energy-saving electric rice cooker according to claim 5, characterized in that: the heat exchange bulges are arranged to be spherical and are uniformly distributed on the outer surface of the heating pipe body.

7. The energy-saving electric rice cooker according to claim 6, characterized in that: the heat conducting oil is hydrogenated terphenyl heat conducting oil.

8. The energy-saving electric rice cooker according to claim 4, characterized in that: the heating pipe body comprises a pipe body and a pipe seat arranged on the pipe body in a sealing mode, the pipe body is a heat conduction metal pipe, and the carbon fiber heating wire and the electric wire are arranged on the pipe seat.

9. The energy-saving electric rice cooker according to claim 8, wherein: the fixing pipe is arranged on the pipe seat, the fixing pipe is inserted into the cavity of the pipe body, the carbon fiber heating wire is wound on the outer surface of the fixing pipe, a plurality of meshes are formed in the fixing pipe, and a gap is formed between the carbon fiber heating wire and the inner wall of the pipe body.

10. The energy-saving electric rice cooker according to claim 9, characterized in that: one end of the pipe body, which is far away from the pipe seat, is detachably provided with a plugging piece, the plugging piece is in threaded sealing connection with the pipe body, and the outer end of the plugging piece is provided with a straight groove.