CN221763603U - Electromagnetic oven - Google Patents

Abstract

The utility model belongs to the technical field of induction cookers. The induction cooker of the utility model divides the shell cavity of the shell into a first heat dissipation cavity and a second heat dissipation cavity arranged up and down by arranging a partition structure, so that the heating coil disk is placed in the first heat dissipation cavity when installed in the installation hole, and the electric control board is independently placed in the second heat dissipation cavity, which greatly reduces the heat generated by the high-power heating of the heating coil disk and is transferred to the electric control board, thereby avoiding damage to the electric control board due to excessive heating, and the first heat dissipation cavity and the second heat dissipation cavity are respectively equipped with heat dissipation fans, so that the upper and lower double heat dissipation cavities can discharge heat to realize heat dissipation and cooling of the induction cooker, effectively solving the problem of damage to electrical components due to excessive temperature rise at high power, and under the premise of not changing the size of the whole machine, the upper and lower double heat dissipation cavities are used to increase the heat dissipation effect, improve product reliability, and provide a good user experience.

Description

induction cooker

Technical Field

The invention belongs to the technical field of induction cookers, and in particular relates to an induction cooker.

Background Art

Traditional stoves produce fumes and hot air during cooking, which pollute the environment and have low thermal efficiency. As a new type of kitchen appliance, induction cookers use the principle of electromagnetic induction. They are smokeless and flameless during cooking, have high thermal efficiency, and are safe and environmentally friendly. With the continuous development of technology, the energy efficiency and safety of induction cookers are also constantly improving, bringing people a healthier and more environmentally friendly way of cooking. At present, when single-head or multi-head heating induction cookers work at high power, there is a high temperature rise of the coil disk, electronic control board, and electronic control components, which causes a series of problems such as burning the disk, damage to the circuit board, and premature protection shutdown, which seriously affects the service life of the appliance and consumer experience.

Summary of the invention

The purpose of the present invention is to overcome the problem of existing electric heaters that the service life of the electrical appliances is shortened and the consumer's experience is affected due to excessive temperature rise during high-power heating, and an induction cooker is provided.

In order to achieve the above object, the present invention adopts the following technical solutions:

An induction cooker comprises a casing, a heating coil disk, an electric control board, a first cooling fan and a second cooling fan; the casing is provided with a casing cavity located inside and a partition structure arranged in a horizontal direction, the partition structure divides the casing cavity into a first cooling cavity and a second cooling cavity arranged up and down, a mounting hole connected to the first cooling cavity is provided on the top of the casing, a first air outlet is provided on the side of the first cooling cavity, and a second air outlet is provided on the side of the second cooling cavity; the heating coil disk is installed in the mounting hole, and the bottom of the heating coil disk is placed in the first cooling cavity; the electric control board is arranged in the second cooling cavity; the first cooling fan is arranged in the first cooling cavity, and is used to generate a first cooling airflow flowing through the heating coil disk; the second cooling fan is arranged in the second cooling cavity, and is used to generate a second cooling airflow flowing through the electric control board.

Compared with the prior art, the induction cooker of the present invention divides the shell cavity of the casing into a first heat dissipation cavity and a second heat dissipation cavity arranged up and down by arranging a partition structure, so that the heating coil disk is placed in the first heat dissipation cavity when installed in the mounting hole, and the electric control board is independently placed in the second heat dissipation cavity, which greatly reduces the heat generated by the high-power heating of the heating coil disk and is transferred to the electric control board, thereby avoiding damage to the electric control board due to excessive heat, and the first heat dissipation cavity and the second heat dissipation cavity are respectively equipped with cooling fans, so that the upper and lower double heat dissipation cavities can discharge heat to realize heat dissipation and cooling of the induction cooker, effectively solving the problem of damage to electrical components due to excessive temperature rise due to high power, and under the premise of not changing the size of the whole machine, the upper and lower double heat dissipation cavities are used to increase the heat dissipation effect, improve product reliability, and provide a good user experience.

Furthermore, a first air inlet is provided at the bottom of the first heat dissipation cavity, a second air inlet is provided at the bottom of the second heat dissipation cavity, the first heat dissipation fan is provided corresponding to the first air inlet, and the second heat dissipation fan is provided corresponding to the second air inlet; through such an arrangement, the first air inlet and the second air inlet are arranged at the bottom, the air flow entering effect is good, and the appearance of the casing is made more beautiful.

Furthermore, the casing includes an outer shell and a heat dissipation bracket arranged in the outer shell at the bottom of the partition structure, the second heat dissipation cavity is formed in the cavity of the heat dissipation bracket, the partition structure is located at the side of the heat dissipation bracket and is provided with a first air inlet portion extending downward, a fan installation cavity connected to the first heat dissipation cavity is formed on the inner side of the first air inlet portion, the first air inlet is arranged at the bottom of the first air inlet portion, and the first heat dissipation fan is arranged in the fan installation cavity; through such an arrangement, the side of the heat dissipation bracket is provided with the first air inlet portion extending downward, so that the first air inlet portion has a larger space to accommodate the first heat dissipation fan, so that the overall size of the casing can be made thinner.

Furthermore, the first cooling fan is a centrifugal cooling fan, and a sloped mounting portion is provided at the bottom of the fan mounting cavity. The sloped mounting portion is arranged to be inclined from bottom to top toward one side of the first cooling cavity, and the first cooling fan is obliquely mounted on the sloped mounting portion. Through such an arrangement, the first cooling fan is a centrifugal cooling fan, and is connected to one side of the first cooling cavity at an upward inclination, so that the airflow cooling effect of the first cooling cavity is better.

Furthermore, the first air outlet is arranged on the other side relative to the first cooling fan, and the heating coil disk is arranged between the first air outlet and the first cooling fan; through such an arrangement, the first cooling airflow generated by the first cooling fan flows through the heating coil disk and is discharged from the first air outlet, and the heating coil disk has a good heat dissipation and cooling effect.

Furthermore, the partition structure includes a partition plate and the first air inlet part and the electrical installation part connected to the side of the partition plate, a switch module is placed in the electrical installation part, and the partition structure also includes a side barrier structure that separates the electrical installation part from the partition plate and the first air inlet part, and a control part corresponding to the switch module is provided on the top of the casing; through such an arrangement, the switch module is placed separately in the electrical installation part and is separated from the first heat dissipation cavity, which effectively prevents the heat generated by the heating coil disk during operation from being transferred to the switch module, and the switch module has a good thermal insulation protection effect.

Furthermore, the electrical installation part extends downward to one side of the heat dissipation bracket, and the electrical installation part is arranged in parallel with the first air inlet part; through such an arrangement, the electrical installation part has a larger space to accommodate the switch module, so that the overall size of the casing can be made thinner.

Furthermore, the second air inlet is arranged at the bottom of the heat dissipation bracket, the bottom of the outer shell is provided with a first air inlet grille corresponding to the first air inlet, and the bottom of the outer shell is provided with a second air inlet grille corresponding to the second air inlet; by setting up the first air inlet grille and the second air inlet grille in this way, large-volume foreign objects can be prevented from entering the casing through the first air inlet or the second air inlet.

Furthermore, the top and one side openings of the heat dissipation bracket form the second heat dissipation cavity, the partition structure covers the top opening of the second heat dissipation cavity, the side opening of the heat dissipation bracket forms the second air outlet, the electric control board is arranged between the second air outlet and the second heat dissipation fan, the first air outlet is arranged on the upper side of the second air outlet, the inner diameter of the first air outlet gradually increases along the outer direction, and the outside of the casing is provided with air outlet grilles corresponding to the first air outlet and the second air outlet; through such an arrangement, the internal structure of the casing is compactly designed, and the air outlet grille is arranged to prevent large-volume foreign objects from entering the casing through the first air outlet or the second air outlet, thereby improving the reliability of product use.

Furthermore, the partition structure is an integrated structure, and the first air inlet part and the electrical installation part can be connected to the partition plate by bending or welding processes, or the partition structure is integrally formed by an injection molding process; through such a setting, the partition structure can be conveniently assembled as a whole in the casing, thereby improving assembly efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of an induction cooker

Figure 2 is a schematic diagram of the bottom of the induction cooker

Figure 3 is a schematic diagram of an induction cooker with the outer shell removed

Figure 4 is a schematic diagram of an induction cooker with the casing removed

Figure 5 is an exploded view of the induction cooker

FIG. 6 is a schematic diagram of the flow state of the first heat dissipation airflow in the induction cooker

FIG. 7 is a schematic diagram of the flow state of the second heat dissipation airflow in the induction cooker

Figure 8 is a cross-sectional view of an induction cooker

Explanation of reference numerals: casing 11, partition structure 12, first heat dissipation duct 13, second heat dissipation duct 14, mounting hole 111, heating component 21, first air outlet 131, second air outlet 141, electric control board 15, first cooling fan 133, second cooling fan 143, first air inlet 132, second air inlet 142, casing 111, panel 112, heat dissipation bracket 16, first air inlet portion 122, fan mounting cavity 123, inclined mounting portion 124, partition plate 121, electrical installation portion 125, electrical installation cavity 126, side baffle structure 137, control portion 1121, first air inlet grille 101, second air inlet grille 102, air outlet grille 103, lower side 18, shell cavity 110, switch module 19.

DETAILED DESCRIPTION

The specific implementation of the present invention is described below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

Referring to FIG. 1 to FIG. 8 , the induction cooker of the present invention comprises:

The casing 11 is provided with a shell cavity 110 located inside and a partition structure 12 arranged in a horizontal direction. The partition structure 12 divides the shell cavity 110 into a first heat dissipation cavity 13 and a second heat dissipation cavity 14 arranged up and down. A mounting hole 111 connected to the first heat dissipation cavity 13 is provided on the top of the casing 11. The mounting hole 111 is used to place the heating coil disk 21. A first air outlet 131 is provided on the side of the first heat dissipation cavity 13, and a second air outlet 141 is provided on the side of the second heat dissipation cavity 14.

The heating coil disk 21 is installed in the installation hole 111 , and the bottom of the heating coil disk 21 is placed in the first heat dissipation cavity 13 .

The electric control board 15 is disposed in the second heat dissipation cavity 14 and is used for being electrically connected to the heating coil disk 21 .

The first heat dissipation fan 133 is disposed in the first heat dissipation cavity 13 and is used to generate a first heat dissipation airflow flowing through the heating coil disk 21 .

The second heat dissipation fan 143 is disposed in the second heat dissipation cavity 14 and is used to generate a second heat dissipation airflow that flows through the electric control board 15 .

Compared with the prior art, the induction cooker of the present invention divides the shell cavity 110 of the casing 11 into a first heat dissipation cavity 13 and a second heat dissipation cavity 14 arranged in upper and lower parts by setting a partition structure 12, so that the heating coil disk 21 is placed in the first heat dissipation cavity 13 when installed in the mounting hole 111, and the electric control board 15 is independently placed in the second heat dissipation cavity 14, which greatly reduces the heat generated by the heating coil disk 21 during high-power heating and is transferred to the electric control board 15, thereby avoiding damage to the electric control board 15 due to excessive heat. Moreover, the first heat dissipation cavity 13 and the second heat dissipation cavity 14 are respectively provided with heat dissipation fans, so that the upper and lower double heat dissipation cavities can discharge heat to realize heat dissipation and cooling of the induction cooker, effectively solving the problem of damage to electrical components due to excessive temperature rise due to high power. Moreover, without changing the size of the whole machine, the upper and lower double heat dissipation cavities are used to increase the heat dissipation effect, improve product reliability, and provide a good user experience.

Referring to Figures 1 to 8, in one embodiment, a first air inlet 132 is provided at the bottom of the first heat dissipation cavity 13, a second air inlet 142 is provided at the bottom of the second heat dissipation cavity 14, the first heat dissipation fan 133 is provided corresponding to the first air inlet 132, and the second heat dissipation fan 143 is provided corresponding to the second air inlet 142; through such an arrangement, the first air inlet 132 and the second air inlet 142 are provided at the bottom, the air flow entering effect is good, and the appearance of the casing 11 is made more beautiful.

Referring to Figures 3 to 8, in one embodiment, the casing 11 includes a shell 111 with an opening on the upper side, a panel 112, and a heat dissipation bracket 16 arranged in the shell 111 and located at the bottom of the partition structure 12, the mounting hole 111 is arranged on the panel 112, the panel 112 is used to cover the upper opening of the shell 111, the second heat dissipation cavity 14 is formed in the cavity of the heat dissipation bracket 16, the partition structure 12 is located at the side of the heat dissipation bracket 16 and is provided with a first air inlet portion 122 extending downward, a fan installation cavity 123 connected to the first heat dissipation cavity 13 is formed inside the first air inlet portion 122, the first air inlet 132 is arranged at the bottom of the first air inlet portion 122, and the first heat dissipation fan 133 is arranged in the fan installation cavity 123; through such an arrangement, the side of the heat dissipation bracket 16 is provided with the first air inlet portion 122 extending downward, so that the first air inlet portion 122 has a larger space to accommodate the first heat dissipation fan 133, so that the overall size of the casing 11 can be made thinner.

Referring to Figures 3 to 8, in one embodiment, the first cooling fan 133 is a centrifugal cooling fan, the air inlet of the centrifugal cooling fan corresponds to the first air inlet 132, the air outlet of the centrifugal cooling fan faces the first cooling cavity 13, and a sloped mounting portion 124 is provided at the bottom of the fan mounting cavity 123, the sloped mounting portion 124 is arranged from bottom to top toward one side of the first cooling cavity 13, and the first cooling fan 133 is obliquely mounted on the sloped mounting portion 124; through such an arrangement, the first cooling fan 133 is a centrifugal cooling fan, and is connected to one side of the first cooling cavity 13 at an upward tilt, so that the airflow cooling effect of the first cooling cavity 13 is better.

Referring to Figures 4 to 8, in one embodiment, the first air outlet 131 is arranged on the other side relative to the first cooling fan 133, and the heating coil disk 21 is arranged between the first air outlet 131 and the first cooling fan 133; through such an arrangement, the first cooling airflow generated by the first cooling fan 133 flows through the heating coil disk 21 and is discharged from the first air outlet 131, and the heating coil disk 21 has a good heat dissipation and cooling effect.

Referring to Figures 4 to 8, in one embodiment, the partition structure 12 includes a partition plate 121 and the first air inlet portion 122 and the electrical installation portion 125 connected to the side of the partition plate 121, the second cooling fan 143 is connected to the bottom of the partition plate 121, the second cooling fan 143 is preferably an axial fan, an electrical installation cavity 126 is formed on the inner side of the electrical installation portion 125, and a switch module 19 is arranged in the electrical installation cavity 126, the partition structure 12 also includes a side baffle structure 137 that separates the electrical installation portion 125 from the partition plate 121 and the first air inlet portion 122, the side baffle structure 137 is, for example, a side baffle, and the panel 112 is provided with a control portion 1121 corresponding to the switch module 19; through such a configuration, the switch module 19 is separately placed in the electrical installation portion 125 and is separated from the first heat dissipation cavity 13, which effectively prevents the heat generated by the heating coil disk 21 during operation from being transferred to the switch module 19, and the switch module 19 has a good thermal insulation protection effect.

Referring to Fig. 5, in one embodiment, the partition structure 12 is an integrated structure, and the side baffle, the first air inlet portion 122 and the electrical installation portion 125 can be connected to the partition plate 121 by bending or welding processes, or the partition structure 12 is integrally formed by an injection molding process.

Referring to Figures 3 to 7, in one embodiment, the electrical installation part 125 extends downward to one side of the heat dissipation bracket 16, and the electrical installation part 125 is arranged in parallel with the first air inlet part 122; through such an arrangement, the electrical installation part 125 has a larger space to accommodate the switch module 19, so that the overall size of the casing 11 can be made thinner.

Referring to Figures 2 to 7, in one embodiment, the second air inlet 142 is arranged at the bottom of the heat dissipation bracket 16, the bottom of the outer shell 111 is provided with a first air inlet grille 101 corresponding to the first air inlet 132, and the bottom of the outer shell 111 is provided with a second air inlet grille 102 corresponding to the second air inlet 142; by setting up the first air inlet grille 101 and the second air inlet grille 102 in this way, large-volume foreign objects can be prevented from entering the casing 11 through the first air inlet 132 or the second air inlet 142.

Referring to Figures 3 to 7, in one embodiment, the top and one side openings of the heat dissipation bracket 16 form the second heat dissipation cavity 14, the partition structure 12 covers the top opening of the second heat dissipation cavity 14, the side opening of the heat dissipation bracket 16 forms the second air outlet 141, the electric control board 15 is arranged between the second air outlet 141 and the second heat dissipation fan 143, the first air outlet 131 is arranged on the upper side of the second air outlet 141, and the outer side of the casing 11 is provided with an air outlet grille 103 corresponding to the first air outlet 131 and the second air outlet 141; through such an arrangement, the internal structure of the casing 11 is compactly designed, and the air outlet grille 103 is provided, which can prevent large-volume foreign objects from entering the casing 11 through the first air outlet 131 or the second air outlet 141, thereby improving the reliability of product use.

Referring to Figures 3 to 7, in one embodiment, the partition plate 121 is located at the lower edge 18 of the first air outlet 131 and is bent toward the second air outlet 141, so that the inner diameter of the first air outlet 131 gradually increases along the outer direction, thereby increasing the air outlet area of the first air outlet 131.

According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs may also change and modify the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims (10)

1. An induction cooker, characterized in that it comprises: The casing is provided with a casing cavity located inside and a partition structure arranged in a horizontal direction, the partition structure divides the casing cavity into a first heat dissipation cavity and a second heat dissipation cavity arranged up and down, a mounting hole connected to the first heat dissipation cavity is provided on the top of the casing, a first air outlet is provided on the side of the first heat dissipation cavity, and a second air outlet is provided on the side of the second heat dissipation cavity; The heating coil disk is installed in the installation hole, and the bottom of the heating coil disk is placed in the first heat dissipation cavity; An electric control panel is arranged in the second heat dissipation cavity; A first heat dissipation fan is disposed in the first heat dissipation cavity and is used to generate a first heat dissipation airflow flowing through the heating coil disk; The second heat dissipation fan is arranged in the second heat dissipation cavity and is used for generating a second heat dissipation airflow flowing through the electric control board. 2. The induction cooker according to claim 1 is characterized in that a first air inlet is provided at the bottom of the first heat dissipation cavity, a second air inlet is provided at the bottom of the second heat dissipation cavity, the first heat dissipation fan is arranged corresponding to the first air inlet, and the second heat dissipation fan is arranged corresponding to the second air inlet. 3. The induction cooker according to claim 2 is characterized in that the casing includes an outer shell and a heat dissipation bracket arranged in the outer shell at the bottom of the partition structure, the second heat dissipation cavity is formed in the cavity of the heat dissipation bracket, the partition structure is located on the side of the heat dissipation bracket and is provided with a first air inlet portion extending downward, a fan installation cavity connected to the first heat dissipation cavity is formed on the inner side of the first air inlet portion, the first air inlet is arranged at the bottom of the first air inlet portion, and the first heat dissipation fan is arranged in the fan installation cavity. 4. The induction cooker according to claim 3 is characterized in that the first cooling fan is a centrifugal cooling fan, and a sloped mounting portion is provided at the bottom of the fan mounting cavity, and the sloped mounting portion is arranged tilted from bottom to top toward one side of the first cooling cavity, and the first cooling fan is tiltedly mounted on the sloped mounting portion. 5. The induction cooker according to claim 3 or 4, characterized in that the first air outlet is arranged on the other side relative to the first cooling fan, and the heating coil disk is arranged between the first air outlet and the first cooling fan. 6. The induction cooker according to claim 3 is characterized in that the partition structure includes a partition plate and the first air inlet part and the electrical installation part connected to the side of the partition plate, a switch module is placed in the electrical installation part, the partition structure also includes a side barrier structure that separates the electrical installation part from the partition plate and the first air inlet part, and a control part corresponding to the switch module is provided on the top of the casing. 7. The induction cooker according to claim 6, characterized in that the electrical installation part extends downward to one side of the heat dissipation bracket, and the electrical installation part is arranged in parallel with the first air inlet part. 8. The induction cooker according to claim 3 is characterized in that the second air inlet is arranged at the bottom of the heat dissipation bracket, the bottom of the shell is provided with a first air inlet grille corresponding to the first air inlet, and the bottom of the shell is provided with a second air inlet grille corresponding to the second air inlet. 9. The induction cooker according to claim 3 is characterized in that the top and one side openings of the heat dissipation bracket form the second heat dissipation cavity, the partition structure covers the top opening of the second heat dissipation cavity, the side opening of the heat dissipation bracket forms the second air outlet, the electric control board is arranged between the second air outlet and the second heat dissipation fan, the first air outlet is arranged on the upper side of the second air outlet, and air outlet grilles are arranged on the outside of the casing corresponding to the first air outlet and the second air outlet. 10. The induction cooker according to claim 6, characterized in that the partition structure is an integrated structure, and the first air inlet part and the electrical installation part can be connected to the partition plate by a bending or welding process, or the partition structure is integrally formed by an injection molding process.