Electric furnace

Abstract

The present invention relates to the technical field of heating appliances, and in particular to an electric heating stove, which, by cleverly designing the structure inside the shell, in particular the position distribution of the partition, uses a first fan to form a first air duct inside the shell, and the first air duct allows the airflow to flow through a first air inlet, a first fan, a control circuit module, a heating element, and a first air outlet in sequence, while meeting the heat dissipation needs of the control circuit module and the heating element. The structure inside the shell is cleverly designed, in particular the position distribution of the partition, uses a second fan to form a second air duct inside the shell, and the second air duct allows the airflow to flow through a second air inlet, a second fan, a heating element, and a second air outlet in sequence, providing the auxiliary heat dissipation needs of the heating element.

Description

Technical Field

[0001] The invention relates to the technical field of heating appliances, in particular to an electric heating furnace. Background Art

[0002] As an appliance for heating food and tea sets, electric stoves are divided into ceramic stoves and induction cookers according to the type of their heating elements. Their structures mainly include a shell, a heating element, a heat dissipation component and a control circuit module. Among them, the role of the heat dissipation component is particularly important, especially for electric ceramic stoves. The heating element itself needs to generate a lot of heat to heat food or tea sets. When in use, the heating element will generate high temperature inside the shell. If the heat is not dissipated in time, the control circuit module will operate in a high temperature environment, which will reduce its service life.

[0003] Therefore, how to skillfully improve the heat dissipation structure of the electric heating furnace and efficiently cool the shell by skillfully improving the air duct structure inside the shell, thereby increasing the service life of the control circuit module, has become a technical problem that needs to be solved urgently. Summary of the invention

[0004] The technical problem to be solved by the present invention is: how to skillfully improve the heat dissipation structure of the electric heating furnace, and efficiently cool the shell by skillfully improving the air duct structure inside the shell, thereby increasing the service life of the control circuit module.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] An electric heating furnace comprises a shell and a panel, wherein the panel is connected to the upper part of the shell, a gap is left between the panel and the shell, and an opening communicating with the inside of the shell is provided at the gap;

[0007] A protrusion for connecting with the lower part of the panel is provided at a position of the upper part of the shell avoiding the opening;

[0008] It also includes a first fan connected to the housing, a partition, a control circuit module and a heating element;

[0009] The lower part of the housing is provided with a first air inlet hole at a position corresponding to the first fan, the opening includes a first air outlet, the partition separates the inner cavity of the housing into a first air duct, and the first air duct allows air to flow through the first air inlet hole, the first fan, the control circuit module, the heating element and the first air outlet in sequence;

[0010] Also included is a second fan connected to the housing;

[0011] A second air inlet is arranged at the lower part of the shell, facing the second fan. The opening also includes a second air outlet. The partition separates the inner cavity of the shell into a second air duct. The second air duct allows the airflow to flow through the second air inlet, the second fan, the heating element and the second air outlet in sequence.

[0012] Furthermore, the shell is in the shape of a cuboid, the first fan and the second fan are respectively located at the diagonals of the shell, the heating element is located in the middle of the shell, and the control circuit module is arranged on the side of the shell close to the direction of the air outlet of the first fan.

[0013] Furthermore, the first air outlet is located on the left side of the shell, the second air outlet is located on the rear side of the shell, and the control circuit module is located on the front side of the shell.

[0014] Furthermore, a supporting foot pad is provided at the lower portion of the shell.

[0015] Furthermore, the shell includes a lower cover, an outer decorative shell and an upper bracket, the lower cover is used to connect various components, the outer decorative shell is connected to the outer side of the lower cover, the upper bracket is connected to the upper part of the lower cover, and the protrusion is arranged on the upper edge of the upper bracket.

[0016] Furthermore, a first temperature sensor is provided at the first air outlet, a second temperature sensor is provided at the second air outlet, a third temperature sensor is provided at the heating element, and a fourth temperature sensor is provided at the control circuit module. The first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are electrically connected to the control circuit module respectively.

[0017] Further, the first fan is located at the left front portion of the housing, and the second fan is located at the right rear portion of the housing;

[0018] The partition includes a first partition and a second partition;

[0019] The first partition plate divides the interior of the housing into a first area and a second area, the first fan and the control circuit module are located in the first area, and a notch is provided at the upper portion of the upper portion of the right end of the first partition plate to accommodate airflow passing through the first area and the second area;

[0020] The second partition divides the second area into a middle area and a rear area. There is a gap between the left end of the first partition and the inner side of the shell. The height of the second partition is lower than that of the first partition. The heating element is located in the second area, and the middle part of the heating element is mounted on the upper part of the second partition.

[0021] Furthermore, the left section of the first partition is bent forward, and the right section is straightly extended to the right side and connected to the right inner edge of the shell. The air outlet direction of the first fan is toward the right front direction.

[0022] Furthermore, the second partition is in a V-shape, with the corner of the V-shape facing the middle area of ​​the shell, and the left end of the V-shape bending toward the left rear of the shell.

[0023] Furthermore, the first air outlet and the second air outlet are both arranged near the left rear corner of the shell.

[0024] The beneficial effects of the present invention are as follows: by leaving a gap between the panel and the shell, an opening connected to the inside of the shell is provided at the gap, and the opening serves as a heat dissipation outlet for the components inside the shell. Due to the gap between the panel and the shell, the panel has a visual effect of floating on the upper part of the shell, which is beautiful and atmospheric. An atmosphere light strip can also be provided at the gap to enhance the high-end feel of the product. Since the gap surrounding the shell and the panel itself has a large area, it is sufficient to meet the heat dissipation needs inside the shell, and there is no need to provide additional air outlets on the side of the shell, thereby ensuring the heat dissipation efficiency of the electric heating furnace while hiding the heat dissipation outlet of the electric heating furnace. By cleverly designing the structure inside the shell, especially the position distribution of the partition, the first fan is used to form a first air duct inside the shell. The first air duct allows the airflow to flow through the first air inlet, the first fan, the control circuit module, the heating element and the first air outlet in sequence, while meeting the heat dissipation needs of the control circuit module and the heating element. By cleverly designing the structure inside the shell, especially the position distribution of the partition, the second fan is used to form a second air duct inside the shell. The second air duct allows the air flow to flow through the second air inlet, the second fan, the heating element, and the second air outlet in sequence, providing the auxiliary heat dissipation needs of the heating element. The above structure cleverly improves the air duct structure inside the shell, so that the temperature inside the shell is efficiently reduced, thereby increasing the service life of the control circuit module. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of an electric heating furnace according to a specific embodiment of the present invention;

[0026] Figure 2 It is a front view of an electric heating furnace according to a specific embodiment of the present invention;

[0027] Figure 3 It is a structural explosion diagram of an electric heating furnace according to a specific embodiment of the present invention;

[0028] Figure 4 A top view of a shell structure of an electric heating furnace according to a specific embodiment of the present invention;

[0029] Figure 5 A schematic diagram of the shell structure of an electric heating furnace according to a specific embodiment of the present invention;

[0030] Figure 6 A schematic diagram of the internal wind direction of an electric heating furnace according to a specific embodiment of the present invention;

[0031] Figure 7 A control structure block diagram of an electric heating furnace according to a specific embodiment of the present invention;

[0032] Description of labels:

[0033] 1. Shell; 11. Lower cover; 111. First air inlet; 112. Second air inlet; 113. Partition; 1131. First partition; 1132. Second partition; 12. External decorative shell; 13. Upper bracket; 131. Protrusion;

[0034] 2. Panel;

[0035] 3. gap; 31. opening; 311. first air outlet; 312. second air outlet;

[0036] 4. The first fan;

[0037] 5. Second fan;

[0038] 6. Control circuit module;

[0039] 7. Heating element;

[0040] 8. Support foot pads. DETAILED DESCRIPTION

[0041] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0042] Example 1

[0043] Please refer to Figures 1 to 7 An electric heating furnace comprises a shell 1 and a panel 2, wherein the panel 2 is connected to the upper part of the shell 1, a gap 3 is left between the panel 2 and the shell 1, and an opening 31 communicating with the inside of the shell 1 is provided at the gap 3. A protrusion 131 for connecting with the lower part of the panel 2 is provided at a position of the upper part of the shell 1 avoiding the opening 31. The first fan 4, a partition 113, a control circuit module 6 and a heating element 7 connected to the shell 1 are also included;

[0044] The first air inlet 111 is arranged at the lower part of the shell 1 opposite to the first fan 4, the opening 31 includes a first air outlet 311, and the partition 113 separates the inner cavity of the shell 1 into a first air duct, and the first air duct allows the air flow to flow through the first air inlet 111, the first fan 4, the control circuit module 6, the heating element 7 and the first air outlet 311 in sequence.

[0045] It also includes a second fan 5 connected to the housing 1;

[0046] A second air inlet 112 is provided at the lower portion of the shell 1 opposite to the second fan 5, the opening 31 also includes a second air outlet 312, the partition 113 separates the inner cavity of the shell 1 into a second air duct, and the second air duct allows the airflow to flow through the second air inlet 112, the second fan 5, the heating element 7 and the second air outlet 312 in sequence.

[0047] In the above structure, a gap 3 is left between the panel 2 and the shell 1, and an opening 31 connected to the inside of the shell 1 is provided at the gap 3. The opening 31 serves as a heat dissipation outlet for the components inside the shell 1. Due to the gap 3 between the panel 2 and the shell 1, the panel 2 has a visual effect of floating on the upper part of the shell 1, which is beautiful and atmospheric. An atmosphere light strip can also be provided at the gap 3 to enhance the high-end feel of the product. Since the gap 3 surrounding the shell 1 and the panel 2 itself has a large area, it is sufficient to meet the heat dissipation needs inside the shell 1, and there is no need to provide an additional air outlet on the side of the shell 1, thereby ensuring the heat dissipation efficiency of the electric stove while hiding the heat dissipation port of the electric stove.

[0048] The above structure is used as an implementation method, referring to Figure 4 The shell 1 and the panel 2 are connected by a protrusion 131. The protrusion 131 can be an upwardly extending flange arranged on the upper edge of the shell 1. It should be noted that the flange avoids the position of the opening 31, that is, the flange is not arranged at the position of the opening 31, so that when the flange is connected to the lower part of the panel 2, an air outlet connected to the interior of the shell 1 is formed at the opening 31.

[0049] In the above structure, refer to Figure 5 and Figure 6 Another improvement of the present invention is that by cleverly designing the structure inside the shell 1, especially the position distribution of the partition 113, the first fan 4 is used to form a first air duct inside the shell 1. The first air duct allows the air flow to flow through the first air inlet 111, the first fan 4, the control circuit module 6, the heating element 7 and the first air outlet 311 in sequence, while meeting the heat dissipation needs of the control circuit module 6 and the heating element 7.

[0050] In the above structure, refer to Figure 5 and Figure 6 Another improvement of the present invention is that by cleverly designing the structure inside the shell 1, especially the position distribution of the partition 113, the second fan 5 is used to form a second air duct inside the shell 1. The second air duct allows the air flow to flow through the second air inlet 112, the second fan 5, the heating element 7 and the second air outlet 312 in sequence, providing the auxiliary heat dissipation needs of the heating element 7.

[0051] Example 2

[0052] The electric heating furnace described in Example 1, wherein the shell 1 is in the shape of a rectangular parallelepiped, the first fan 4 and the second fan 5 are respectively located at the diagonals of the shell 1, the heating element 7 is located in the middle of the shell 1, and the control circuit module 6 is arranged on the side of the shell 1 close to the direction of the air outlet of the first fan 4.

[0053] Among the above institutions, refer to Figures 4 to 6 Through the ingenious position distribution of the first fan 4 and the second fan 5, the heating element 7 and the control circuit module 6, the first air duct and the second air duct do not interfere with each other, ensuring the smoothness of the first air duct and the second air duct, and further improving the heat dissipation efficiency of the electric heating furnace.

[0054] Example 3

[0055] In the electric heating stove described in Example 2, the first air outlet 311 is located on the left side of the shell 1 , the second air outlet 312 is located on the rear side of the shell 1 , and the control circuit module 6 is located on the front side of the shell 1 .

[0056] In the above structure, refer to Figure 4 When a user uses an electric heater to heat a container, such as when making tea, the electric heater is usually placed on the right hand side of the user, and the control area on the panel 2 is generally facing the user. Since the control circuit module 6 is generally directly arranged below the control circuit module 6, the first air outlet 311 is located on the left side of the shell 1, and the second fan 5 is located on the rear side of the shell 1, so that the heat dissipation air can avoid the user's position.

[0057] Example 4

[0058] The electric heating furnace described in Example 1, wherein a supporting foot pad 8 is provided at the lower part of the shell 1.

[0059] In the above structure, the support pads 8 can make the bottom of the housing 1 suspended in the air, so that the airflow can more easily enter the housing 1 from the first air inlet hole 111 and the second air inlet hole 112 at the lower part of the housing 1 .

[0060] Example 5

[0061] The electric heating furnace described in Example 1, wherein the shell 1 includes a lower cover 11, an outer decorative shell 12 and an upper bracket 13, the lower cover 11 is used to connect various components, the outer decorative shell 12 is connected to the outer side of the lower cover 11, the upper bracket 13 is connected to the upper part of the lower cover 11, and the protrusion 131 is arranged on the upper edge of the upper bracket 13.

[0062] The above structure is conducive to the assembly of various components in the housing 1.

[0063] Example 6

[0064] The electric heating furnace described in Example 1, wherein a first temperature sensor is provided at the first air outlet 311, a second temperature sensor is provided at the second air outlet 312, a third temperature sensor is provided at the heating element 7, and a fourth temperature sensor is provided at the control circuit module 6, and the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are electrically connected to the control circuit module 6 respectively.

[0065] In the above mechanism, the first fan 4 and the second fan 5 are electrically connected to the control circuit module 6 respectively.

[0066] In the above structure, refer to Figure 7 By arranging a plurality of temperature sensors at specific positions, the output power of the first fan 4 and the second fan 5 can be adjusted separately in cooperation with the controller in the control circuit module 6 .

[0067] Specifically, for example, when the first temperature sensor senses that the temperature of the first air outlet 311 is greater than a preset threshold, or the third temperature sensor senses that the temperature of the heating element 7 is higher than a preset threshold, or the fourth temperature sensor senses that the temperature of the control circuit module 6 is higher than a preset threshold, the controller controls the first fan 4 to increase the output power to achieve the cooling and temperature control effect of the first air duct. When the second temperature sensor senses that the temperature of the second air outlet 312 is greater than a preset threshold, or the third temperature sensor senses that the temperature of the heating element 7 is higher than a preset threshold, the controller controls the second fan 5 to increase the output power to achieve the cooling and temperature control effect of the second air duct.

[0068] Example 7

[0069] The electric heating furnace of embodiment 1, wherein the first fan is located at the left front part of the housing, and the second fan is located at the right rear part of the housing;

[0070] The partition includes a first partition 1131 and a second partition 1132;

[0071] The first partition plate divides the interior of the housing into a first area and a second area, the first fan and the control circuit module are located in the first area, and a notch is provided at the upper portion of the upper portion of the right end of the first partition plate to accommodate airflow passing through the first area and the second area;

[0072] The second partition divides the second area into a middle area and a rear area. There is a gap between the left end of the first partition and the inner side of the shell. The height of the second partition is lower than that of the first partition. The heating element is located in the second area, and the middle part of the heating element is mounted on the upper part of the second partition.

[0073] In the above structure, the advantage of the gap between the left end of the second partition and the inner side of the shell is that when the first fan or the second fan increases its output power, the first air outlet and the second air outlet can complement each other. For example, when the first fan increases its output power, the air flow rate of the first air duct increases. When the first air outlet is not sufficient to meet the exhaust demand of the first air duct, the air flow can be diverted to the second air outlet through the gap between the second partition and the side of the shell for discharge. The same applies to when the second fan increases its output power, that is, the first air outlet and the second air outlet can appropriately borrow from each other, so that the exhaust fluency is still maintained when the output power of the first fan or the second fan is increased.

[0074] Example 8

[0075] The electric heating furnace described in Example 7, wherein the left section of the first partition is bent forward, and the right section is straightly extended to the right side and connected to the right inner side of the shell. The air outlet direction of the first fan is toward the right front direction.

[0076] In the above structure, refer to Figure 5 as well as Figure 6 The left section of the first partition is bent forward, while the right section extends straight to the right and is connected to the right inner side of the shell. The function of the first partition is to guide the air outlet direction of the first fan, so that the air outlet direction of the first fan is toward the right front direction, that is, directly blow toward the control circuit module, and then the airflow enters the middle area of ​​the second area through the notch at the right end of the first partition, and under the guidance of the second partition, passes through the bottom of the front half of the heating element, and then is discharged through the first air outlet, so that the airflow can smoothly flow through the control circuit module and the front half of the heating element in turn, playing a role in efficient heat dissipation of the control circuit module and the front half of the heating element. The second fan blows directly to the rear half of the heating element under the obstruction of the second partition, and then is discharged through the second air outlet under the guidance of the second partition, providing efficient heat dissipation for the rear half of the heating element.

[0077] Example 9

[0078] In the electric heating furnace described in Example 7, the second partition is in a V-shape, the corner of the V-shape faces the middle area of ​​the shell, and the left end of the V-shape is bent toward the left rear of the shell.

[0079] In the above structure, refer to Figure 5 The shape of the second partition is V-shaped, the corner of the V-shape faces the middle area of ​​the shell, and the left end of the V-shape is bent toward the left rear of the shell. The advantages of this design are: first, the V-shaped structure can provide a relatively stable support for the heating element, which can reduce the connection area between the heating element and the shell. Figure 5 and Figure 6, the heating element is fixed only by three connecting columns in the shell, so that the heat dissipation airflow can fully contact the heating element, further improving the heat dissipation efficiency; secondly, the V-shaped design cooperates with the specific connection orientation of the first fan and the second fan, plays the role of guiding the wind in the first air duct and the second air duct at the same time, so that the airflow blown by the first fan is guided to the first air outlet, and the airflow blown by the second fan is guided to the second air outlet. Through the above structural design, the airflow blown by the first fan and the second fan is fully utilized for the heat dissipation of the heating element and the control circuit module; through the control circuit module according to the temperature sensed by the temperature sensors at different positions in the shell, the output power of the first fan and the second fan are controlled separately, so as to cool down the specific area in the shell in a targeted manner, which has the advantages of energy saving and efficiency improvement.

[0080] Example 10

[0081] The electric heating furnace described in Example 3, wherein the first air outlet and the second air outlet are both arranged near the left rear corner of the shell.

[0082] The above structure enables the first air outlet and the second air outlet to be further away from the area where the user is located.

[0083] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electric heating furnace, characterized in that: It includes a shell and a panel, wherein the panel is connected to the upper part of the shell, a gap is left between the panel and the shell, and an opening communicating with the inside of the shell is provided at the gap; A protrusion for connecting with the lower part of the panel is provided at a position of the upper part of the shell avoiding the opening; It also includes a first fan connected to the housing, a partition, a control circuit module and a heating element; The lower part of the housing is provided with a first air inlet hole at a position corresponding to the first fan, the opening includes a first air outlet, the partition separates the inner cavity of the housing into a first air duct, and the first air duct allows air to flow through the first air inlet hole, the first fan, the control circuit module, the heating element and the first air outlet in sequence; Also included is a second fan connected to the housing; A second air inlet is provided at the lower part of the shell body at a position corresponding to the second fan, the opening also includes a second air outlet, the partition separates the inner cavity of the shell body into a second air duct, and the second air duct allows air to flow through the second air inlet, the second fan, the heating element and the second air outlet in sequence; A first temperature sensor is provided at the first air outlet, a second temperature sensor is provided at the second air outlet, a third temperature sensor is provided at the heating element, and a fourth temperature sensor is provided at the control circuit module, and the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor are electrically connected to the control circuit module respectively; The housing is in the shape of a cuboid, the first fan and the second fan are respectively located at the diagonal corners of the housing, the heating element is located in the middle of the housing, and the control circuit module is arranged in the housing at a side close to the direction of the air outlet of the first fan; The first air outlet is located on the left side of the shell, the second air outlet is located on the rear side of the shell, and the control circuit module is located on the front side of the shell; The first fan is located at the left front part of the housing, and the second fan is located at the right rear part of the housing; The partition includes a first partition and a second partition; The first partition plate divides the interior of the housing into a first area and a second area, the first fan and the control circuit module are located in the first area, and a notch is provided at the upper portion of the right end of the first partition plate to accommodate airflow passing through the first area and the second area; The second partition divides the second area into a middle area and a rear area, a gap exists between the left end of the first partition and the inner side of the shell, the height of the second partition is lower than that of the first partition, the heating element is located in the second area, and the middle part of the heating element is mounted on the upper part of the second partition; The second partition is in a V-shape, with the corner of the V-shape facing the middle area of ​​the shell, and the left end of the V-shape bending toward the left rear of the shell.

2. The electric heating furnace according to claim 1, characterized in that: A supporting foot pad is provided at the lower part of the shell.

3. The electric heating furnace according to claim 1, characterized in that: The shell comprises a lower cover, an outer decorative shell and an upper bracket, wherein the lower cover is used to connect various components, the outer decorative shell is connected to the outer side of the lower cover, the upper bracket is connected to the upper part of the lower cover, and the protrusion is arranged on the upper edge of the upper bracket.

4. The electric heating furnace according to claim 1, characterized in that: The left section of the first partition is bent forward, and the right section is straightly extended to the right side and connected to the right inner edge of the shell; the air outlet direction of the first fan is toward the right front direction.

5. The electric heating furnace according to claim 1, characterized in that: The first air outlet and the second air outlet are both arranged near the left rear corner of the shell.

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