Fan-free mute electric ceramic stove

Abstract

The fanless mute electric ceramic cooker comprises a bottom shell, and a plurality of lower through holes penetrating through a body of the bottom shell are formed in the bottom of the bottom shell; the frame is installed on the upper end face of the bottom shell, and a plurality of side through holes penetrating through a body of the frame are formed in the frame; the panel covers the upper end face of the frame, and the heating assembly is installed at the bottom of the heating panel; the electric control cavity is formed in the bottom shell, the periphery and the top of the electric control cavity are completely isolated from the bottom shell, a heat dissipation opening is formed in the bottom of the bottom shell and penetrates through the electric control cavity, a bottom cover plate covers the heat dissipation opening, a plurality of bottom through holes penetrating through a body of the bottom cover plate are formed in the bottom cover plate, and an electric control mainboard of the electric heating furnace is installed in the electric control cavity. The electric heating furnace has the beneficial effects that the electric heating furnace realizes natural ventilation and heat dissipation through the plurality of vent holes, the lower through holes and the side through holes which are formed in the bottom shell and the frame, so that an exhaust fan for heat dissipation in a traditional electric heating furnace is eliminated, and the noise generated by the operation of the fan is thoroughly eliminated.

Description

Technical Field

[0001] The utility model relates to an electric heating appliance, in particular to a fanless silent electro-ceramic stove. Background Art

[0002] As a self-heating stove, the maximum temperature of the heating plate of the electro-ceramic stove can reach 600 to 650 degrees. However, due to the lack of heat insulation materials for heat insulation treatment, the high temperature inside the stove body will quickly conduct to the electronic control main board, plastic shell and other parts. This temperature conduction will cause these components to quickly reach their heat resistance limits, seriously affecting their performance and service life.

[0003] In order to deal with the high temperature problem, high-speed exhaust fans are usually used for cooling in the prior art. Although the continuous high-speed operation of the exhaust fan can reduce the temperature inside the stove body to a certain extent, this method brings significant noise problems. The high-speed fan will generate a large amount of mechanical noise during operation, which not only affects the user experience, but also may cause noise pollution to the surrounding environment. Especially in a quiet home environment, this noise problem is particularly prominent.

[0004] Even more seriously, due to the extremely high temperature inside the electro-ceramic stove, the internal lubricating grease of the exhaust fan working in such a high-temperature environment for a long time is prone to solidification. The solidification of the lubricating grease will lead to a decrease in the lubrication effect of the fan bearing, further causing problems such as poor fan operation and increased wear. Eventually, these problems will lead to the damage of the fan, unable to effectively dissipate heat, further exacerbating the rise in the temperature inside the stove body, forming a vicious cycle. After the fan is damaged, users have to replace the fan or the entire electro-ceramic stove, increasing the maintenance cost and inconvenience in use. Therefore, it is necessary to make further improvements to it. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the shortcomings of the existing technology, and provide a fanless silent electro-ceramic stove with a simple structure, convenient use, no noise during the operation of the stove, good heat dissipation, which can effectively extend the service life of each part, and further improve the overall performance and user experience of the electro-ceramic stove.

[0006] The purpose of the utility model is realized in the following way: a fanless silent electro-ceramic stove, which includes a bottom shell, and a plurality of lower through holes penetrating through its body are opened at the bottom of the bottom shell;

[0007] A frame, which is installed on the upper end surface of the bottom shell, and a plurality of side through holes penetrating through its body are provided on the frame;

[0008] A panel, which covers the upper end surface of the frame, an installation hole is opened in the middle of the panel, and a heating panel is embedded in the installation hole;

[0009] The heating component is installed at the bottom of the heating panel;

[0010] The electronic control cavity is arranged inside the bottom shell. The four sides and the top of the electronic control cavity are completely isolated from the bottom shell. A heat dissipation opening is provided at the bottom of the bottom shell and penetrates through the electronic control cavity. A bottom cover plate is covered on the heat dissipation opening, and a number of bottom through holes penetrating through its body are provided on the bottom cover plate. The electronic control main board of the electro-ceramic stove is installed in this electronic control cavity.

[0011] Furthermore: The lower through hole is an arc-shaped through groove provided on the bottom shell, and the arc-shaped through grooves are arranged in a multi-turn annular array on the bottom shell.

[0012] Furthermore: A number of reinforcing ribs are also provided on the inner surface of the bottom shell. The reinforcing ribs are distributed in a midpoint-diverging manner, located on the same radius circumference, and between two adjacent lower through holes on the left and right.

[0013] Furthermore: A number of auxiliary rib plates are also provided on the inner surface of the bottom shell. The auxiliary rib plates are arc-shaped, and are arranged in a multi-turn annular array on the bottom shell, and are distributed between the inner and outer layers of lower through holes. The two ends of the auxiliary rib plates are respectively connected to two adjacent reinforcing ribs.

[0014] Furthermore: The four sides of the bottom shell extend upward in an arc to form an attached frame, and the bottom of the frame is connected to the upper end surface of this attached frame.

[0015] Furthermore: A number of auxiliary through holes penetrating through its body are also provided on the attached frame, and the auxiliary through holes are oblong.

[0016] Furthermore: An isolation plate extending upward is also provided on the inner surface of the bottom shell. The isolation plate is at least provided on the front side of the bottom shell and one side of the electronic control cavity. A control panel is provided at the front end of the frame, and the isolation plate covers the back of the control panel and the side of the electronic control cavity facing the heating component.

[0017] Furthermore: The frame is made of a metal plate. The side through holes are located on the left, right and rear side surfaces of the frame, and handles are also installed on the left and right side surfaces of the frame.

[0018] Furthermore: A number of guide posts extending upward are provided inside the bottom shell, and springs are sleeved outside the guide posts; A spring tray is fixed on the heating component, and a guide hole is provided on the spring tray and sleeved on the guide posts, and the bottom of the spring tray bears on the springs.

[0019] Furthermore: A protective ring is sleeved on the inner circle of the installation hole, and the panel is installed in a lifting manner on the inner hole of the protective ring.

[0020] The beneficial effects of the present utility model are: 1. The structure is simple, the production cost is low, and the market competitiveness is improved.

[0021] 2. Through multiple ventilation holes (lower through-holes and side through-holes) provided on the bottom shell and the frame, this electric ceramic stove realizes natural ventilation and heat dissipation, thus eliminating the exhaust fan for heat dissipation in traditional electric ceramic stoves, completely eliminating the noise generated by the fan operation, and making the electric ceramic stove quieter during operation.

[0022] 3. In this solution, an independent electronic control cavity is provided. Through isolation design, its surroundings and top are completely isolated from the bottom shell, avoiding the direct influence of the high temperature inside the stove body on the electronic control main board and other electronic components, thereby protecting these key components and extending their service life.

[0023] 4. A heat dissipation port is provided at the bottom of the electronic control cavity and covered with a bottom cover plate with bottom through-holes, optimizing the heat dissipation path and ensuring the heat dissipation efficiency of the electronic control cavity.

[0024] 5. The heating panel is embedded in the mounting hole of the panel and fixed by a protective ring, realizing effective heat insulation and heat preservation in the heating area, reducing the ineffective loss of heat, and significantly improving the thermal efficiency of the electric ceramic stove.

[0025] 6. The heating component is supported by a spring and forms an elastic contact with the heating panel. This design effectively avoids the problem of insufficient tight fit between the heating component and the heating panel caused by thermal expansion and contraction, ensures good heat conduction performance between the two, and further improves the heating efficiency and stability.

[0026] 7. By setting reinforcing ribs and auxiliary rib plates on the inner surface of the bottom shell 1, the structural strength of the stove body is effectively improved, preventing deformation or damage caused by high temperature, and ensuring the long-term stable operation of the electric ceramic stove. This structural design not only enhances the overall mechanical strength but also helps to evenly distribute heat to a certain extent, further improving the heat dissipation effect.

[0027] 8. After canceling the fan, while ensuring its heat dissipation performance requirements, the electric ceramic stove is quieter during the working process, significantly improving the user experience, and is especially suitable for families and office places that require a quiet environment. Description of the Drawings

[0028] Figure 1 、 2 、3 is the overall assembly effect diagram of the present utility model.

[0029] Figure 4 、 5 is the structural exploded view of the present utility model.

[0030] Figure 6 is the assembly diagram of the bottom shell and the frame in the present utility model.

[0031] Figure 7 is the structural schematic diagram of the electronic control cavity in the present utility model.

[0032] Figure 8 This is a structural sectional view of the utility model.

[0033] Description of reference numerals: 1 - bottom shell; 11 - lower through-hole; 12 - reinforcing rib; 13 - auxiliary rib plate; 14 - attachment frame; 15 - auxiliary through-hole; 16 - partition plate; 17 - guide post; 18 - spring; 19 - spring tray; 2 - frame; 21 - side through-hole; 22 - control panel; 23 - handle; 3 - panel; 31 - mounting hole; 32 - protective ring; 4 - heating panel; 5 - heating assembly; 6 - electric control cavity; 61 - heat dissipation opening; 62 - bottom cover plate; 63 - bottom through-hole; 7 - electric control main board. Detailed implementation manners

[0034] The following further specifically describes the present utility model with reference to the drawings. A fanless silent electro-ceramic stove includes a bottom shell 1, and a plurality of lower through-holes 11 penetrating through its body are opened at the bottom of the bottom shell 1;

[0035] A frame 2, the frame 2 is installed on the upper end surface of the bottom shell 1, and a plurality of side through-holes 21 penetrating through its body are provided on the frame 2;

[0036] A panel 3, the panel 3 covers the upper end surface of the frame 2, a mounting hole 31 is opened in the middle of the panel 3, and a heating panel 4 is embedded in the mounting hole 31;

[0037] A heating assembly 5, the heating assembly 5 is installed at the bottom of the heating panel 4;

[0038] An electric control cavity 6, which is arranged in the bottom shell 1, the periphery and top of the electric control cavity 6 are completely isolated from the bottom shell 1, a heat dissipation opening 61 penetrating through the electric control cavity 6 is opened at the bottom of the bottom shell 1, a bottom cover plate 62 is covered on the heat dissipation opening 61, and a plurality of bottom through-holes 63 penetrating through its body are provided on the bottom cover plate 62, and the electric control main board 7 of the electro-ceramic stove is installed in the electric control cavity 6.

[0039] In one embodiment: the lower through-hole 11 is an arc-shaped through-groove provided on the bottom shell 1, and the arc-shaped through-grooves are arranged in a multi-turn annular array on the bottom shell 1.

[0040] In one embodiment: a plurality of reinforcing ribs 12 are further provided on the inner surface of the bottom shell 1, the reinforcing ribs 12 are distributed in a midpoint divergent manner, the reinforcing ribs 12 are located on the same radius circumference and between two adjacent lower through-holes 11 on the left and right.

[0041] In one embodiment: A plurality of auxiliary rib plates 13 are further provided on the inner surface of the bottom shell 1. The auxiliary rib plates 13 are arc-shaped, and are distributed in multiple circles and arranged in a ring on the bottom shell 1, and are distributed between the inner and outer layers of lower through holes 11. Both ends of the auxiliary rib plates 13 are respectively connected to two adjacent reinforcing ribs 12.

[0042] In one embodiment: An attachment frame 14 extends upward in an arc shape around the bottom shell 1. The bottom of the frame 2 is connected to the upper end surface of the attachment frame 14.

[0043] In one embodiment: A plurality of auxiliary through holes 15 penetrating through its body are further provided on the attachment frame 14. The auxiliary through holes 15 are oblong.

[0044] In one embodiment: An isolation plate 16 extending upward is further provided on the inner surface of the bottom shell 1. The isolation plate 16 is provided at least on the front side of the bottom shell 1 and one side of the electronic control cavity 6. A control panel 22 is provided at the front end of the frame 2. The isolation plate 16 covers the back of the control panel 22 and the side of the electronic control cavity 6 facing the heating component 5. The setting of the isolation plate can effectively isolate the heat radiation of the heating component from being transmitted towards the electronic control cavity and the control panel.

[0045] In one embodiment: The frame 2 is made of a metal plate. The side through holes 21 are located on the left, right and rear side surfaces of the frame 2. Handles 23 are further installed on the left and right side surfaces of the frame 2.

[0046] In one embodiment: A plurality of guide posts 17 extending upward are provided in the bottom shell 1. A spring 18 is sleeved outside the guide posts 17; A spring tray 19 fixed on the heating component 5 is provided with a guide hole sleeved on the guide posts 17, and the bottom of the spring tray 19 bears on the spring 18.

[0047] In one embodiment: A protective ring 32 is sleeved on the inner circle of the mounting hole 31. The panel 3 is installed in a lifting manner on the inner hole of the protective ring.

[0048] Working principle: When the induction cooker works, the heating component 5 will generate high temperature. The lower through holes 11 provided on the bottom shell 1 and the side through holes 21 on the frame 2 form an effective natural ventilation path. Through these ventilation holes, the external cold air can enter the inside of the furnace body, conduct convective heat exchange with the hot air inside the furnace body, and thus take away the internal heat.

[0049] The electronic control cavity 6 inside the bottom shell 1 is connected to the ventilation holes at the bottom through the heat dissipation ports 61, enabling the hot air inside the electronic control cavity to be discharged smoothly. At the same time, the electronic control cavity 6 is completely isolated from the bottom shell 1 around and at the top, preventing the high temperature of the heating component from being conducted to the electronic control main board 7 and other electronic components, protecting these key components from high-temperature damage, and thus extending the service life of the electronic control device.

[0050] Furthermore: The heating panel 4 is embedded in the mounting hole 31 of the panel 3 and fixed by the protective ring 32. The protective ring can cover and decorate the edge of the panel opening to avoid chipping. In addition, the protective ring can also play a role in isolating the heating area, preventing heat from being transferred towards the panel direction and reducing heat dissipation.

[0051] Even further: The heating component 5 is supported by the guide posts 17 and springs 18 inside the bottom shell 1. The spring 18 is sleeved outside the guide post 17, enabling the heating component 5 to elastically contact the heating panel 4. This design effectively solves the problem of poor fitting between the heating component and the heating panel caused by thermal expansion and contraction, ensuring good thermal conductivity between the two.

[0052] It should be noted that: Compared with traditional induction cookers, in this case, the electronic control cavity 6 is an independent and isolated cavity, which is completely isolated from the bottom shell 1 around and at the top, avoiding the direct influence of the high temperature inside the furnace body on the electronic control main board 7 and other electronic components. In order to meet the heat dissipation requirements of the electronic control main board, the heat dissipation port 61 of the electronic control cavity in this case is arranged at the bottom of the bottom shell 1 and covered with a bottom cover plate 62 with bottom through holes 63. When the induction cooker is working, the hot air inside the electronic control cavity is discharged through the bottom through holes 63, and the positions where the low through holes are opened are isolated from the positions of other heat dissipation holes, avoiding interference during heat dissipation and ensuring that the electronic components work within a safe temperature range.

[0053] In addition, the inner surface of the bottom shell 1 is provided with reinforcing ribs 12 and auxiliary rib plates 13. These structural designs not only improve the mechanical strength of the furnace body, avoid the reduction of its strength caused by large-area opening of heat dissipation through holes on the bottom shell, and effectively prevent deformation or damage caused by high temperature, but also have a certain guiding role to help the uniform distribution of heat. These reinforcing ribs and auxiliary rib plates make the overall structure of the induction cooker more stable, can withstand the mechanical stress brought by long-term high-temperature work, and ensure the long-term stable operation of the induction cooker.

[0054] Compared with traditional technologies, in this case, through a unique heat dissipation through hole design, the heat dissipation of the device can be achieved without relying on a fan, so the fan can be cancelled, making the induction cooker have no noise during operation. Therefore, the service life of the fan does not need to be considered in later maintenance, significantly improving the user experience, and is especially suitable for families and office places that require a quiet environment.

[0055] In summary, through structural designs such as multiple ventilation holes, an independent electronic control cavity, a spring-supported heating component, and reinforcing ribs, this silent electro-ceramic stove has successfully achieved the operating effects of fanless operation, low noise, high thermal efficiency, and long lifespan, significantly enhancing the comprehensive performance of the product and the user experience. Therefore, it can be widely promoted and used.

[0056] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, based on the above description, other different forms of changes or variations can be made. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the claims of this invention.

Claims

1. A fanless silent electric ceramic stove, characterized in that: It comprises a bottom shell (1), the bottom of which is provided with a plurality of lower through holes (11) penetrating the body thereof; A frame (2), the frame (2) being mounted on the upper end surface of the bottom shell (1), and the frame (2) being provided with a plurality of side through holes (21) penetrating the frame body; A panel (3), the panel (3) covering the upper end surface of the frame (2), a mounting hole (31) being provided in the middle of the panel (3), and the heating panel (4) being embedded in the mounting hole (31); A heating component (5), the heating component (5) being mounted on the bottom of the heating panel (4); An electric control cavity (6) is arranged in the bottom shell (1), the periphery and top of the electric control cavity (6) are completely isolated from the bottom shell (1), a heat dissipation port (61) is provided at the bottom of the bottom shell (1) and penetrates the electric control cavity (6), the heat dissipation port (61) is covered by a bottom cover plate (62), and the bottom cover plate (62) is provided with a plurality of bottom through holes (63) penetrating the body thereof, and an electric control mainboard (7) of the electric ceramic stove is installed in the electric control cavity (6).

2. The fanless silent electric ceramic stove according to claim 1, characterized in that: The lower through hole (11) is an arc-shaped through groove arranged on the bottom shell (1), and the arc-shaped through groove is distributed in a plurality of annular circles on the bottom shell (1).

3. The fanless silent electric ceramic stove according to claim 2, characterized in that: The inner surface of the bottom shell (1) is also provided with a plurality of reinforcing ribs (12), the reinforcing ribs (12) being distributed in a divergent manner from the midpoint, and the reinforcing ribs (12) being located on a circle with the same radius and between two adjacent lower through holes (11) on the left and right.

4. The fanless silent electric ceramic stove according to claim 3, characterized in that: The inner surface of the bottom shell (1) is further provided with a plurality of secondary ribs (13), the secondary ribs (13) being arc-shaped and arranged in a plurality of annular circles on the bottom shell (1) and between the inner and outer layers of the lower through holes (11), and the two ends of the secondary ribs (13) are respectively connected to two adjacent reinforcing ribs (12).

5. The fanless silent electric ceramic stove according to claim 1, characterized in that: An auxiliary frame (14) is extended in an upward arc shape around the four sides of the bottom shell (1), and the bottom of the frame (2) is connected to the upper end surface of the auxiliary frame (14).

6. The fanless silent electric ceramic stove according to claim 5, characterized in that: The auxiliary frame (14) is also provided with a plurality of auxiliary through holes (15) penetrating the main body thereof, and the auxiliary through holes (15) are in the shape of a long waist.

7. The fanless silent electric ceramic stove according to claim 1, characterized in that: The inner surface of the bottom shell (1) is further provided with an isolation plate (16) extending upwards, and the isolation plate (16) is provided at least on the front side of the bottom shell (1) and on one side of the electric control chamber (6); a control panel (22) is provided at the front end of the frame (2), and the isolation plate (16) covers the back of the control panel (22) and the side of the electric control chamber (6) facing the heating component (5).

8. The fanless silent electric ceramic stove according to claim 1, characterized in that: The frame (2) is made of a metal plate. The side through holes (21) are located on the left and right side surfaces and the rear side surface of the frame (2). Handles (23) are also installed on the left and right side surfaces of the frame (2).

9. The fanless silent electric ceramic stove according to claim 1, characterized in that: A plurality of guide columns (17) extending upward are arranged in the bottom shell (1), and springs (18) are sleeved on the guide columns (17); a spring tray (19) is fixed on the heating component (5), and a guide hole ring is arranged on the spring tray (19) and is installed on the guide columns (17), and the bottom of the spring tray (19) is supported on the springs (18).

10. The fanless silent electric ceramic stove according to claim 1, characterized in that: A protective ring (32) is sleeved on the inner circle of the mounting hole (31), and the panel (3) is mounted on the inner hole of the protective ring in a lifting manner.

Images