Electromagnetic range with air entering from two sides

Abstract

The utility model relates to the technical field of electromagnetic ranges, the electromagnetic range comprises a bottom shell, a surface cover, a coil panel, a circuit board, a fan and a control panel device, a left side plate of the bottom shell is provided with a first air inlet, and a right side plate of the bottom shell is provided with a second air inlet; the air pipe component is transversely arranged between the front cavity and the rear cavity of the bottom shell to separate the front cavity and the rear cavity of the bottom shell, and the first air inlet and the second air inlet are communicated through the air pipe component to form a double-side air inlet structure; the fan is arranged in the cavity of the air pipe component, and an air outlet of the fan is formed in the rear side plate of the air pipe component and faces the rear cavity of the bottom shell; the draught fan sucks air from the first air inlet and the second air inlet to do work, pressurized air is blown out from the air outlet in the draught fan to be discharged into the rear cavity of the bottom shell, due to the adoption of the structural design, the electromagnetic range is provided with the two air inlets for air inflow at the same time, the heat dissipation effect of the electromagnetic range is better, and the air pipe component also has a heat insulation function.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic cookers, in particular to an electromagnetic cooker with double-side air inlets. Background Art

[0002] An electromagnetic cooker includes a bottom shell, a top cover, a coil disk, a circuit board, a fan, and a control panel assembly. The coil disk, circuit board, fan, and control panel assembly are respectively disposed within a cavity of the bottom shell. The top cover is secured to the upper opening of the bottom shell, and the top cover and bottom shell are connected to form the outer shell of the electromagnetic cooker. The control panel assembly is disposed within a front cavity of the bottom shell, and the coil disk and circuit board are disposed within a rear cavity of the bottom shell. Because electronic components such as a display screen, a digital tube, and a driver chip mounted on the control panel assembly require relatively low operating temperature, while the coil disk and circuit board generate a significant amount of heat during operation, a vertical partition plate is disposed transversely between the front and rear cavities, dividing the front and rear cavities into two independent chambers. The front and rear chambers are not connected, thereby protecting the control panel assembly from the effects of high temperatures generated by the coil disk and circuit board. However, the partition plate is structurally very flimsy, and the high temperatures generated by the coil disk and circuit board can be transferred into the front cavity through heat radiation and / or heat conduction, potentially damaging the electronic components on the control panel assembly.

[0003] Chinese Utility Model Patent No. 201721675833.3; Title: An Induction Cooker, Authorization Announcement No.: CN207527648 U. This patent discloses an induction cooker comprising a bottom shell, a coil disk, a circuit board, and a fan. A partition plate is provided within the inner cavity of the bottom shell, dividing the inner cavity of the bottom shell into an air inlet area and an air outlet area. The air inlet area is provided with an air inlet hole, and the air outlet area is provided with an air outlet hole. At least one of the coil disk and the circuit board is located in the air outlet area. A gap is provided between the partition plate and the side wall of the bottom shell. When the air inlet hole is blocked, the gap and at least part of the air outlet hole together form an air inlet channel for the fan. Thus, when the air inlet hole is blocked, heat-generating components such as the coil disk and circuit board in the inner cavity of the bottom shell can still be effectively dissipated. A problem with this utility model is that the air inlet holes can only be provided on the side panel on either the left or right side of the bottom shell. The air inlet holes are concentrated on one side, making them easily blocked by other objects. Moreover, the air inlet holes are completely arranged on the side panels of the bottom shell below the cooking area of the induction cooker. When cooking, water or soup overflowing from the induction cooker cover flows downward and along the bottom shell to the air inlet. Under the influence of the suction force of the fan, the water or soup flows into the induction cooker body, causing damage to the electronic components in the induction cooker. At the same time, the air outlet holes are arranged on the rear side panels of the bottom shell. The distance between the air outlet holes and the air inlet holes is very short. The heat dissipation air discharged from the air outlet holes is sucked in through the air inlet holes, resulting in poor heat dissipation effect of the induction cooker. Utility Model Content

[0004] The purpose of the present utility model is to provide an electromagnetic cooker to solve the problems raised in the above-mentioned background technology. By arranging an air duct component, the electromagnetic cooker has two air inlets for simultaneous air intake, and the air inlets are arranged on the left and right side panels of the bottom shell near the control panel device. The air inlets are at a greater distance from the air outlets arranged on the rear side panels of the bottom shell, so that the electromagnetic cooker has a better heat dissipation effect and a more reasonable heat dissipation structure design; the horizontally arranged air duct component completely separates the front cavity and the rear cavity of the bottom shell, and the air duct component also functions as an insulating wall, so that the electronic components in the control panel device are protected from the high temperature generated by the circuit board and the coil disk.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An electromagnetic cooker with double-sided air intake, comprising a bottom shell, a top cover, a coil disk, a circuit board, a fan and a control panel device, wherein the top cover is connected to the bottom shell at the top opening to form the electromagnetic cooker housing; the cavity of the bottom shell is divided into a front cavity and a rear cavity according to the front and rear positions, the coil disk and the circuit board are respectively arranged in the rear cavity of the bottom shell, and the control panel device is arranged in the front cavity of the bottom shell.

[0007] The bottom shell includes a bottom plate, a left plate, a right plate and a rear plate. The left plate is provided with a first air inlet on the front middle portion, and the right plate is provided with a second air inlet on the front middle portion. The first air inlet and the second air inlet are symmetrically arranged. The rear plate is provided with an air outlet.

[0008] The air duct member further comprises a hollow structure, the air duct member being transversely arranged between the front cavity and the rear cavity of the bottom shell, completely isolating the front cavity from the rear cavity of the bottom shell; a left end of the air duct member is connected to the first air inlet on the left panel, and a right end of the air duct member is connected to the second air inlet on the right panel, and the air duct member connects the first and second air inlets to form a double-sided air inlet structure;

[0009] The fan is arranged in the middle cavity of the air duct component, and the exhaust port on the fan is arranged on the rear side panel of the air duct component and faces the rear cavity of the bottom shell; the fan simultaneously inhales room temperature air from the first and second air inlets to perform work, and the pressurized air is blown out from the exhaust port on the fan and discharged into the rear cavity of the bottom shell, and then the circuit board and the coil disk are cooled in turn, and then discharged from the outlet on the rear side panel.

[0010] Specifically, the air duct component has a trough-shaped structure with a lower opening, and the air duct component includes an air duct top plate, an air duct front side plate and an air duct rear side plate; the air duct component is placed in the cavity of the bottom shell, and the bottom surface of the air duct component is tightly fitted and sealed with the inner surface of the bottom plate of the bottom shell, and the left and right port parts of the air duct component are respectively fitted and sealed with the inner walls of the left and right sides of the bottom shell, and the air duct component and the bottom shell cooperate to form an air duct connecting the first and second air inlets.

[0011] The fan is a centrifugal fan, comprising a volute and a wind wheel. The fan is fixedly connected to the bottom plate of the bottom shell and is located in the groove cavity of the air duct component. The exhaust port on the volute is arranged on the rear side plate of the air duct of the air duct component.

[0012] As a further solution of the present invention, when the face cover is closed on the bottom shell, the inner surface of the face cover is sealed against the duct top plate of the duct member, so that the front cavity and the rear cavity of the bottom shell are completely separated.

[0013] As a further solution of the present invention, a cavity plate is provided on the bottom plate of the bottom shell, and the area enclosed by the cavity plate forms a mainboard cavity. The shape and size of the mainboard cavity are adapted to the circuit board, and the circuit board is completely placed in the mainboard cavity.

[0014] A notch is provided on the enclosure plate, and the notch is connected to the exhaust port of the fan; the horizontal plane of the exhaust port of the fan is flush with the horizontal plane of the circuit board, and the air discharged by the fan is blown toward the circuit board, making the effect of air-cooling the circuit board better.

[0015] As a further solution of the present invention, the exhaust port of the fan is directed toward the heat sink on the IGBT component on the circuit board, and the wind exhausted by the fan is concentrated on the main heat source of the circuit board, effectively improving the air cooling effect.

[0016] The coil disk is mounted in the rear cavity of the bottom shell by a plurality of vertical studs and is located above the main board cavity. A gap is provided between the coil disk and the top of the enclosure plate. The air behind the air-cooled circuit board changes direction under the obstruction of the enclosure plate and blows upward toward the coil disk. After the coil disk is air-cooled, it is discharged from the air outlet on the rear side panel of the bottom shell.

[0017] As a further solution of the present invention, the front side of the bottom shell is provided with an open port, and the front side of the surface cover is provided with a downwardly bent display panel. When the surface cover is closed on the bottom shell, the display panel is sealed and connected to the open port and cooperates with the air duct component to form the front cavity.

[0018] The bottom shell, located within the front cavity, is equipped with a plurality of support columns, arranged in a row. The tops of the support columns have forward inclined surfaces. The control panel assembly is mounted on the tops of the support columns, with the display screen of the control panel assembly resting against the inner side of the display panel. The support columns also serve as positioning mechanisms. When the air duct assembly is inserted into the cavity of the bottom shell, the front side of the air duct assembly slides downwardly against the back side of the support columns to a predetermined position.

[0019] As a further solution of the present invention: the air duct component is made of plastic material in one piece;

[0020] The bottom shell, the enclosure plate and the support column are made of plastic material in one piece.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. Air inlets are provided on both the left and right sides of the bottom shell. The air duct components connect the air inlets on both sides, effectively increasing the air intake of the fan and avoiding the problem of poor air intake caused by the obstruction of the air inlet on one side.

[0023] 2. At the same time, a wide air duct component is horizontally arranged in the bottom shell to completely separate the bottom shell cavity into two independent front and rear cavities. The wide air duct component has a good heat insulation effect, which effectively prevents the high temperature in the rear cavity from being transferred to the front cavity to damage the control panel device, thereby ensuring the life of the control panel device.

[0024] 3. The air inlets on the left and right sides are arranged on the left and right side panels of the bottom shell close to the front cavity. The air inlets are far away from the air outlets arranged on the rear side panels of the bottom shell, so as to prevent the air inlets from inhaling the heat-dissipating high-temperature air discharged from the air outlet, thereby effectively improving the heat dissipation effect of the present invention. At the same time, the first and second air inlets are located beside the cooking area, and the original single-sided air inlet structure is cancelled. A through-type air inlet is provided on the left or right side panel of the rear cavity of the bottom shell, and the plate bodies of the left and right sides are sealed. This induction cooker can prevent liquid water or soup from overflowing into the air inlet during cooking.

[0025] 4. The fan of the utility model is arranged in the air duct component and is located in the center of the electromagnetic cooker, which effectively reduces the noise of the electromagnetic cooker during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is one of the three-dimensional diagrams of the present invention.

[0027] Figure 2 This is one of the three-dimensional diagrams of the present invention.

[0028] Figure 3 This is one of the three-dimensional exploded views of the present invention.

[0029] Figure 4 This is the second exploded perspective view of the present invention.

[0030] Figure 5 It is a cross-sectional view of the present invention.

[0031] Figure 6 It is a three-dimensional diagram of the bottom shell of the present utility model.

[0032] Figure 7 This is one of the three-dimensional views of the air duct component of the present invention.

[0033] Figure 8 This is the second three-dimensional diagram of the air duct component of the present invention.

[0034] The figure includes: 1. bottom shell; 2. surface cover; 3. coil disk; 4. circuit board; 5. fan; 6. control panel device; 7. air duct component; 11. bottom plate; 12. left side plate; 13. right side plate; 14. rear side plate; 15. cavity plate; 16. opening; 17. support column; 1A, front cavity; 1B, rear cavity; 1C, main board cavity; 81, first air inlet; 82, second air inlet; 83, air outlet; 151; gap. DETAILED DESCRIPTION

[0035] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0037] Example 1

[0038] Please refer to Figures 1 to 5, an electromagnetic cooker with double-sided air intake, which includes a bottom shell 1, a cover 2, a coil disk 3, a circuit board 4, a fan 5 and a control panel device 6. The cover 2 covers the top opening of the bottom shell 1 and is connected to the bottom shell 1 to form the electromagnetic cooker shell; the cavity of the bottom shell 1 is divided into a front cavity 1A and a rear cavity 1B according to the front and rear positions, the coil disk 3 and the circuit board 4 are respectively arranged in the rear cavity 1B of the bottom shell, and the control panel device 6 is arranged in the front cavity 1A of the bottom shell.

[0039] like Figure 6 As shown, the bottom shell 1 includes a bottom plate 11, a left side plate 12, a right side plate 13 and a rear side plate 14. A first air inlet 81 is provided on the front middle part of the left side plate 12, and a second air inlet 82 is provided on the front middle plate of the right side plate 13; the first air inlet 81 and the second air inlet 82 are symmetrically arranged; and the rear side plate 14 is provided with an air outlet 83.

[0040] like Figure 3 、 Figure 4 and Figure 7 As shown, the duct member 7 also includes a hollow structure. The duct member 7 is transversely arranged between the front cavity 1A and the rear cavity 1B of the bottom shell, dividing the front cavity 1A and the rear cavity 1B of the bottom shell into two completely independent cavities. The bottom of the duct member 7 is in contact with the bottom plate 11 of the bottom shell. The left port 91 of the duct member is connected to the inner wall of the left plate 12 and docked with the first air inlet 81. The right port 92 of the duct member is connected to the inner wall of the right plate 13 and docked with the second air inlet 82. The duct member connects the first air inlet 81 and the second air inlet 82 to form a double-sided air inlet structure.

[0041] The fan 5 is arranged in the middle cavity of the air duct component 7, and the exhaust port on the fan 5 is arranged on the rear side panel of the air duct component 7 and faces the rear cavity 1B of the bottom shell; the fan 5 inhales room temperature air from the first and second air inlets to perform work, and the pressurized air is blown out from the exhaust port on the fan 5 and discharged into the rear cavity 1B of the bottom shell, and then the circuit board 4 and the coil disk 3 are cooled in turn, and then discharged from the air outlet 83 on the rear side panel.

[0042] Specifically, the air duct component 7 has a trough-shaped structure with a lower opening, and the air duct component 7 includes an air duct top plate 71, an air duct front side plate 72 and an air duct rear side plate 73; the air duct component 7 is placed in the cavity of the bottom shell 1, and the bottom surface of the air duct component 7 is tightly fitted and sealed with the inner surface of the bottom plate 11 of the bottom shell, and the left and right port parts of the air duct component 7 are respectively fitted and sealed with the inner walls of the left and right sides of the bottom shell 1, and the air duct component 7 cooperates with the bottom shell 1 to form an air duct connecting the first and second air inlets.

[0043] The fan 5 is a centrifugal fan, which includes a volute 51 and a wind wheel 52. The fan 5 is fixedly connected to the bottom plate 11 of the bottom shell and is located in the groove cavity of the air duct component 7. The exhaust port on the volute 51 is set on the air duct rear side plate 73 of the air duct component.

[0044] Furthermore, if Figure 3 and Figure 5 As shown, when the surface cover 2 is covered on the bottom shell 1, the inner surface of the surface cover 2 is sealed against the air duct top plate 7 of the air duct component, so that the front cavity 1A and the rear cavity 1B of the bottom shell are completely separated.

[0045] Furthermore, if Figures 4 to 6 As shown, a cavity plate 15 is provided on the inner surface of the bottom plate 11 of the bottom shell, and the area enclosed by the cavity plate 15 forms a mainboard cavity. The shape and size of the mainboard cavity 1C are adapted to the circuit board 3, and the circuit board 4 is completely placed in the mainboard cavity 1C.

[0046] A notch 151 is provided on the enclosure plate 15, and the notch 151 is connected to the exhaust port of the fan 5; the horizontal plane of the exhaust port of the fan 5 is flush with the horizontal plane of the circuit board 4, and the air discharged by the fan is blown toward the circuit board 4, so that the effect of air-cooling the circuit board 4 is better.

[0047] Furthermore, the exhaust port of the fan 5 is directed toward the heat sink on the IGBT component on the circuit board, and the air discharged by the fan 5 is concentratedly blown toward the main heat source of the circuit board, effectively improving the air cooling effect.

[0048] The coil disk 3 is mounted in the rear cavity 1B of the bottom shell by a plurality of vertical studs and is located above the main board cavity 1C. A gap is provided between the coil disk 3 and the top of the enclosure plate 15. The air behind the air-cooled circuit board 4 changes direction under the obstruction of the enclosure plate 15 and blows upward toward the coil disk 3. After the coil disk 3 is air-cooled, it is discharged from the air outlet 82 on the rear side plate 14 of the bottom shell.

[0049] Furthermore, an open port 16 is provided on the front side of the bottom shell 1, and a downwardly bent display panel 21 is provided on the front side of the surface cover 2. When the surface cover 2 is covered on the bottom shell 1, the display panel 21 is sealed and connected to the open port 16 and cooperates with the air duct component 7 to form the front cavity 1A.

[0050] The bottom housing within the front cavity 1A is provided with a plurality of support columns 17, arranged in a row. The tops of the support columns 17 have forward inclined surfaces. The control panel 6 is positioned atop the support columns 17, with the display screen of the control panel 6 resting against the inner side of the display panel 21. The support columns 17 also serve as a positioning mechanism. When the air duct member 7 is inserted into the cavity of the bottom housing 1, the front side of the air duct member 7 slides downward to a predetermined position, closely adhering to the back side of the support columns 17.

[0051] The air duct component 7 is made of plastic material in one piece;

[0052] The bottom shell 1 , the enclosure plate 15 and the support column 17 are made of plastic material in one piece.

[0053] The structural principle of the present utility model is: when assembling the electromagnetic cooker, the circuit board 4 is first fixedly set in the main board cavity 1C, the coil disk 3 is mounted above the circuit board 4, the control panel device 6 is fixedly set on the top of the support column 17, and the motor 5 is fixedly set on the bottom shell 1. Then the air duct component 7 is horizontally embedded in the cavity of the bottom shell 1, and the bottom end of the air duct component 7 is fitted with the bottom plate 11 of the bottom shell to place the fan 5 in its cavity. The left port 91 of the air duct component is connected to the inner wall of the left plate 12 and docked with the first air inlet 81, the right port 92 of the air duct component is connected to the inner wall of the right plate 13 and docked with the second air inlet 82, the air duct component connects the first air inlet 81 and the second air inlet 82, and the exhaust port of the fan 5 is docked with the notch on the enclosure plate 15. Finally, the cover 2 is covered on the top opening of the bottom shell 1, and the top of the air duct component 7 is fitted and sealed with the inner wall of the cover 2.

[0054] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic cooker with double-sided air intake, comprising a bottom shell, a top cover, a coil disk, a circuit board, a fan, and a control panel assembly, wherein the top cover is attached to the top of the bottom shell and connected to the bottom shell to form the electromagnetic cooker housing, the bottom shell cavity being divided into a front cavity and a rear cavity, the coil disk and the circuit board being respectively disposed in the rear cavity, and the control panel assembly being disposed in the front cavity, characterized in that: The bottom shell includes a bottom plate, a left side plate, a right side plate and a rear side plate, the left side plate is provided with a first air inlet, the right side plate is provided with a second air inlet, and the rear side plate is provided with an air outlet; The air duct member is also included, the air duct member having a hollow structure, and the air duct member is transversely arranged between the front cavity and the rear cavity of the bottom shell to separate the front cavity and the rear cavity of the bottom shell; the left end of the air duct member is connected to the first air inlet on the left plate, and the right end of the air duct member is connected to the second air inlet on the right plate. The air duct member connects the first air inlet with the second air inlet to form a double-sided air inlet structure; The fan is arranged in the cavity of the air duct component, and the exhaust port on the fan is arranged on the rear side plate of the air duct component and faces the rear cavity of the bottom shell. The fan inhales air from the first and second air inlets to perform work, and the pressurized air is blown out from the exhaust port on the fan and discharged into the rear cavity of the bottom shell, and then discharged from the air outlet after the air-cooled circuit board and coil disk.

2. The electromagnetic cooker according to claim 1, wherein: The air duct component has a trough-shaped structure with a lower opening, and the air duct component includes an air duct top plate, an air duct front side plate and an air duct rear side plate; the air duct component is placed in the cavity of the bottom shell, and the bottom surface of the air duct component is tightly fitted and sealed with the inner surface of the bottom plate of the bottom shell, and the left and right port parts of the air duct component are respectively fitted and sealed with the inner walls of the left and right sides of the bottom shell, and the air duct component and the bottom shell cooperate to form an air duct connecting the first and second air inlets.

3. The electromagnetic cooker according to claim 2, wherein: The fan is a centrifugal fan, comprising a volute and a wind wheel. The fan is fixedly connected to the bottom plate of the bottom shell and is located in the groove cavity of the air duct component. The exhaust port on the volute is arranged on the rear side plate of the air duct of the air duct component.

4. The electromagnetic cooker according to claim 3, wherein: The inner surface of the face cover is in close contact with the air duct top plate of the air duct component.

5. The electromagnetic cooker according to any one of claims 1 to 4, characterized in that: A cavity plate is provided on the bottom plate of the bottom shell, and the area enclosed by the cavity plate forms a mainboard cavity. The mainboard cavity is adapted to the circuit board, and the circuit board is completely placed in the mainboard cavity.

6. The electromagnetic cooker according to claim 5, characterized in that: A notch is provided on the enclosure plate, and the notch is connected to the exhaust port of the fan.

7. The electromagnetic cooker according to claim 6, characterized in that: The coil disk is mounted above the main board cavity, and a gap is provided between the coil disk and the top of the enclosure plate. The air behind the air-cooled circuit board changes direction under the obstruction of the enclosure plate and blows upward toward the coil disk. After the coil disk is air-cooled, it is discharged from the air outlet.

8. The electromagnetic cooker according to claim 7, characterized in that: The front side of the bottom shell is provided with an open opening, and the front side of the surface cover is provided with a downwardly bent display panel. When the surface cover is closed on the bottom shell, the display panel is sealed and connected to the open opening and cooperates with the air duct component to form the front cavity.

9. The electromagnetic cooker according to claim 8, characterized in that: A plurality of support columns are provided on the bottom shell located in the front cavity, and the support columns are arranged in a row. The top of the support columns has a front inclined surface. The control panel device is arranged on the top of the support columns, and the display screen on the control panel device is close to the inner side of the display panel; when the air duct component is embedded in the cavity of the bottom shell, the front side surface of the air duct component slides down to a predetermined position close to the back surface of the support column.

10. The electromagnetic cooker according to claim 9, characterized in that: The air duct component is made of plastic material by integral molding, and the bottom shell, the enclosure plate and the support column are made of plastic material by integral molding.

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