Electric hot plate

Abstract

The electric heating stove comprises a bottom shell, a heat-conducting panel and an electric heating disc. The heat-conducting panel is arranged on the upper port of the bottom shell, and the electric heating disc is arranged in the inner cavity formed by the heat-conducting panel and the bottom shell. The heat-conducting panel is arranged on the upper port of the bottom shell in a lifting manner and can generate a gap with the upper port of the bottom shell. A spring is arranged between the lower end of the electric heating disc and the upper end surface of the bottom shell, and the spring always forces the electric heating disc to tightly adhere to the heat-conducting panel. During use, the air in the electric heating stove is heated, the pressure in the cavity is increased, the heat-conducting panel is lifted by the pressure, the gap between the heat-conducting panel and the bottom shell is increased, and the hot air is discharged, which is beneficial to heat dissipation and can ensure long-term use of key components.

Description

Technical Field

[0001] This utility model relates to a stove, and more particularly to a stove that is heated by electricity. Background Technology

[0002] Electric stoves are a common type of cooktop. Compared to induction cooktops, they do not have special requirements for the material of the cookware. Their basic structure includes a bottom shell, a heat-conducting panel, and a heating plate. The heat-conducting panel is located on the upper end of the bottom shell, and the heating plate is located in the cavity formed by the heat-conducting panel and the bottom shell. The cavity usually also contains components such as a power board, circuit board, and corresponding wires. Relevant literature can be found in Chinese Utility Model Patent No. ZL202222297472.0, entitled "A Heating Plate and Electric Stove" (Authorization Announcement No. CN218295820U).

[0003] Key internal components of electric stoves are prone to malfunction or damage at high temperatures. Therefore, electric stoves require appropriate heat dissipation methods. Current methods include increasing the overall size of the unit to increase the internal cavity space for heat dissipation, or installing a cooling fan inside the stove and creating a few certified ventilation holes on the stove casing. The first method results in a larger overall size and less compact design; the second increases manufacturing costs. Furthermore, existing electric stoves also suffer from drawbacks such as condensation easily forming on the back of the heat-conducting panel after cooling and inconvenient overall disassembly. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an electric stove with good heat dissipation and compact size in view of the above-mentioned technical status.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: an electric stove, including a bottom shell, a heat-conducting panel and an electric heating plate, wherein the aforementioned heat-conducting panel is disposed on the upper port of the bottom shell, and the aforementioned electric heating plate is disposed in the inner cavity formed by the heat-conducting panel and the bottom shell, characterized in that the heat-conducting panel is movably disposed on the upper port of the bottom shell and can form a gap with the upper port of the bottom shell, and an elastic member is provided between the lower end of the electric heating plate and the upper end face of the bottom shell, the elastic member always forcing the electric heating plate to be tightly attached to the heat-conducting panel.

[0006] Preferably, the lower end face of the heat-conducting panel is provided with a connecting buckle, and correspondingly, the inner wall of the bottom shell is provided with a bending spring that can be connected to the aforementioned connecting buckle, and the bending spring has a deformation force in the longitudinal direction.

[0007] Furthermore, the connecting buckle has a connecting hole, and correspondingly, the bending spring includes a connecting part and an extension part that extends upward after being bent from the bottom of the connecting part. The connecting part is assembled on the bottom shell, and the head of the extension part is engaged with the connecting hole.

[0008] Preferably, there may be multiple connecting buckles arranged circumferentially around the heat-conducting panel, and correspondingly, there may also be multiple bending springs.

[0009] Preferably, the elastic element is an elastic sheet.

[0010] Preferably, the elastic sheet consists of two pieces, symmetrically arranged at both ends of the heating plate.

[0011] Furthermore, the upper end of the elastic sheet is connected to the bottom of the heating plate, and the lower end is bent and snapped into the limiting groove or limiting hole of the bottom shell.

[0012] Compared with the prior art, the advantages of this utility model are as follows: During use, the air inside the electric stove is heated, the pressure inside the cavity increases, the heat-conducting panel is pushed up by the pressure, the gap between the heat-conducting panel and the bottom shell increases, the hot air is discharged, which is conducive to heat dissipation and can ensure the long-term use of key components; when the electric stove is idle, the air inside the cavity cools down, the pressure decreases, the gap between the heat-conducting panel and the bottom shell decreases, the height of the electric stove is reduced, and it becomes more compact. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the external structure of an embodiment.

[0014] Figure 2 for Figure 1 The exploded diagram.

[0015] Figure 3 for Figure 2 Reverse view of the central heat-conducting panel.

[0016] Figure 4 This is a three-dimensional sectional view of an embodiment.

[0017] Figure 5 This is an enlarged assembly drawing of the connecting buckle and the bending spring. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0019] like Figures 1-4 As shown, the electric stove in this embodiment includes a bottom shell 1, a heat-conducting panel 2, and a heating plate 3. The heat-conducting panel 2 is disposed on the upper port of the bottom shell 1, and the heating plate 3 is disposed in the inner cavity formed by the heat-conducting panel 2 and the bottom shell 1. The heat-conducting panel 2 is movably disposed on the upper port of the bottom shell 1 and can create a gap with the upper port of the bottom shell 1. An elastic element 4 is provided between the lower end of the heating plate 3 and the upper end face of the bottom shell 1, and this elastic element 4 always forces the heating plate 3 to be tightly pressed against the heat-conducting panel 2. The heating plate in this embodiment includes a plate body and heating wires disposed within the plate body. The plate body can be made of clay.

[0020] The lower end face of the heat-conducting panel 2 is provided with a connecting buckle 5. Correspondingly, the inner wall of the bottom shell 1 is provided with a bent spring piece 6 that can be connected to the connecting buckle 5. The bent spring piece 6 has a deformation force in the longitudinal direction. In this embodiment, the elastic element 4 is an elastic sheet. There are two elastic sheets, which are symmetrically arranged at both ends of the heating plate 3. The upper end of the elastic sheet is connected to the bottom of the heating plate 3, and the lower end is bent and snapped into the limiting hole 11 of the bottom shell 1.

[0021] Combination Figure 5 As shown, the connecting buckle 5 in this embodiment has a connecting hole 51. Correspondingly, the bending spring 6 includes a connecting part 61 and an extension part 62 that extends upward from the bottom of the connecting part 61. The connecting part 61 is assembled on the bottom shell 1, and the head of the extension part 62 is engaged with the connecting hole 51.

[0022] In this embodiment, there are six connecting buckles 5 arranged around the heat-conducting panel 2, and correspondingly, there are also six bending springs 6.

[0023] During the temperature rise test, the air inside the electric stove is heated. When the air is heated, the gas molecules move faster and the distance between them increases, thus increasing the volume of the air and the pressure inside the cavity. At this moment, the heat-conducting panel is pushed up by the pressure, increasing the gap between the heat-conducting panel and the bottom shell, allowing hot air to be expelled, which is beneficial for heat dissipation and can ensure the long-term use of key components. Conversely, when the air is cooled, the gas molecules move slower and the distance between them decreases, thus reducing the volume of the air. The pressure inside the cavity decreases, and the gap between the heat-conducting panel and the bottom shell decreases, which also prevents dust and other debris from entering the cavity. According to the theory of air expansion under heat or pressure, reducing the size of the electric stove, i.e., reducing the internal cavity, allows for a faster increase in the expansion rate of hot air, which is more conducive to rapid heat dissipation.

[0024] Because the heat-conducting panel and the bottom shell are connected by metal springs and connectors, the gap between them allows for rapid and even heat dissipation. Therefore, a completely sealed space with good ventilation cannot be formed between them, thus failing to meet the conditions for condensation. This alleviates or reduces the tendency for condensation to form on the back of the heat-conducting panel. Reduced condensation also lowers the risk of water droplets dripping and causing secondary damage to internal components, increasing product safety.

[0025] Since the heat-conducting panel and the bottom shell are connected by bending springs and connecting buckles, the heat-conducting panel can be quickly installed and removed without worrying about unsafe assembly risks due to missing screws or stripped screws. It also facilitates the quick removal of the heat-conducting panel during later maintenance, reducing screw wear.

[0026] Because the heat-conducting panel and the bottom shell are connected by bending springs and connecting buckles, the heat-conducting panel is in direct contact with the heating plate, and the heating plate is in direct contact with the elastic element. When the electric stove is in normal use, the expansion of the hot air in the cavity causes the heat-conducting panel to be lifted upwards, at which point the pressure on the elastic element decreases. After the entire machine is used up and the air in the cavity dissipates, the heat-conducting panel returns to its original state, at which point the pressure on the elastic element of the heating plate increases again. During long-term use of the electric stove, this intermittent decrease or increase in pressure occurs evenly and intermittently, which can increase the service life of the elastic element device of the heating plate.

Claims

1. An electric stove, comprising a bottom shell (1), a heat-conducting panel (2), and a heating plate (3), wherein the heat-conducting panel (2) is disposed on the upper port of the bottom shell (1), and the heating plate (3) is disposed in the inner cavity formed by the heat-conducting panel (2) and the bottom shell (1), characterized in that... The heat-conducting panel (2) is vertically mounted on the upper port of the bottom shell (1) and can create a gap with the upper port of the bottom shell (1). An elastic element (4) is provided between the lower end of the heating plate (3) and the upper end face of the bottom shell (1). The elastic element (4) always forces the heating plate (3) to be in close contact with the heat-conducting panel (2).

2. The electric stove according to claim 1, characterized in that... The lower end face of the heat-conducting panel (2) is provided with a connecting buckle (5). Correspondingly, the inner wall of the bottom shell (1) is provided with a bending spring (6) that can be connected to the aforementioned connecting buckle (5). The bending spring (6) has a deformation force in the longitudinal direction.

3. The electric stove according to claim 2, characterized in that... The connecting buckle (5) has a connecting hole (51). Correspondingly, the bending spring (6) includes a connecting part (61) and an extension part (62) that extends upward after being bent from the bottom of the connecting part (61). The connecting part (61) is mounted on the bottom shell (1), and the head of the extension part (62) is engaged with the connecting hole (51).

4. The electric stove according to claim 2, characterized in that... The connecting buckles (5) are multiple and arranged circumferentially around the heat-conducting panel (2), and correspondingly, the bending springs (6) are also multiple.

5. The electric stove according to claim 1, characterized in that... The elastic element (4) is an elastic sheet.

6. The electric stove according to claim 5, characterized in that... The elastic sheet consists of two pieces, symmetrically arranged at both ends of the heating plate (3).

7. The electric stove according to claim 5, characterized in that... The upper end of the elastic sheet is connected to the bottom of the heating plate (3), and the lower end is bent and snapped into the limiting groove or limiting hole (11) of the bottom shell (1).

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