Induction cooker with electromagnetic leakage prevention function for air inlet and outlet

Abstract

The present invention discloses an electromagnetic oven preventing electromagnetic leakage of air inlet and outlet, comprising a chassis and a panel, wherein the chassis bottom shell is a sandwich or the chassis bottom shell is provided with a sandwich, the sandwich is provided with a chassis air inlet and a chassis air outlet respectively connected with the inside of the chassis, the fan is arranged on the chassis air inlet, the sandwich is provided with an air inlet and outlet duct partition plate for separating the inside of the sandwich into an air inlet area and an air outlet area, a plurality of air inlet duct partition plates are arranged in the air inlet area of ​​the sandwich, an air inlet duct is formed between two of the air inlet duct partition plates, an air inlet duct outlet end of the air inlet duct is connected with the chassis air inlet, a plurality of air outlet duct partition plates are arranged in the air outlet area of ​​the sandwich, an air outlet duct is formed between two of the air inlet duct partition plates, the air inlet end of the air outlet duct is connected with the chassis air outlet, the air inlet duct and the air outlet duct have small cross-sectional dimensions and the air duct is long, so as to effectively prevent electromagnetic leakage of the air inlet and outlet and improve the air fluency of the air inlet and outlet ducts.

Description

Technical Field

[0001] The invention relates to an induction cooker capable of preventing electromagnetic leakage of air inlet and outlet. Background Art

[0002] The heating principle of the induction cooker is to use the high-frequency eddy current generated in the iron pot to generate heat. For this purpose, the corresponding power electronic circuit is required to convert the industrial frequency power supply into a high-frequency current and input it into the electromagnetic coil. Due to the high power, air inlets and outlets are required to dissipate the heat generated by the heating elements in the furnace, but the air inlets and outlets will cause electromagnetic leakage. Since the smooth air inlet and outlet of heat dissipation and the prevention of electromagnetic leakage are contradictory, the existing technology still has a large electromagnetic leakage. As the impact of indoor electromagnetic field exposure on human health and the environment has received increasing attention at home and abroad, it has become the focus of public attention. Therefore, more effective measures need to be taken to prevent electromagnetic leakage from the inlet and outlet of the induction cooker. Summary of the invention

[0003] The present invention overcomes the shortcomings of the above-mentioned technology and provides an induction cooker which can prevent electromagnetic leakage at the air inlet and outlet.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] An electromagnetic cooker for preventing electromagnetic leakage of air inlet and outlet comprises a chassis 4 and a panel 1, wherein the chassis 4 is provided with a heating plate 2, a display circuit 3, a fan 6 and a heat dissipation control circuit 5 for controlling the rotation speed of the fan 6, the bottom shell of the chassis 4 is an interlayer 7 or the bottom shell of the chassis 4 is provided with an interlayer 7, the interlayer 7 is provided with a chassis air inlet 74 and a chassis air outlet 75 respectively connected to the inside of the chassis 4, the fan 6 is arranged on the chassis air inlet 74, the interlayer 7 is provided with an inlet and outlet duct partition plate 73 for separating the inside of the interlayer 7 into an air inlet area and an air outlet area, a plurality of air inlet duct partition plates 72 are provided in the air inlet area of ​​the interlayer 7, an air inlet duct 71 is formed between the two air inlet duct partition plates 72, the air outlet end of the air inlet duct 71 is connected to the chassis air inlet 74, a plurality of air outlet duct partition plates 76 are provided in the air outlet area of ​​the interlayer 7, the two air outlet duct partition plates 76 are provided An air outlet channel 77 is formed therebetween, and the air inlet end of the air outlet channel 77 is connected to the chassis air outlet 75.

[0006] The air inlet of the air inlet channel 71 and the air outlet of the air outlet channel 77 are respectively arranged on both side surfaces of the interlayer 7.

[0007] The air inlet of the air inlet channel 71 is arranged on the bottom surface of the interlayer 7 , and the air outlet of the air outlet channel 77 is arranged on the side surface of the interlayer 7 .

[0008] The air inlet channel partition plate 72 and the air outlet channel partition plate 76 are arc-shaped partition plates or strip-shaped partition plates.

[0009] The chassis air inlet 74 and the chassis air outlet 75 are respectively arranged at diagonal positions of the interlayer 7.

[0010] The interlayer 7 is formed integrally with or electrically connected to the air inlet and outlet partition plates 73, the air inlet channel partition plates 72, and the air outlet channel partition plates 76 respectively.

[0011] The interlayer 7, the air inlet and outlet partitions 73, the air inlet channel partitions 72, and the air outlet channel partitions 76 are all made of conductive materials.

[0012] The interlayer 7, the air inlet and outlet partitions 73, the air inlet channel partitions 72, and the air outlet channel partitions 76 are made of non-conductive materials, and the inner surfaces of the air inlet channel 71 and the air outlet channel 77 are provided with a conductive layer.

[0013] Wind guide baffles 78 are provided at the corners of the interlayer 7 .

[0014] The beneficial effects of the present invention are:

[0015] 1. The present invention is provided with a plurality of air inlet channels and air outlet channels, and the cross-sectional dimensions of the air inlet channels and the air outlet channels are small and the air ducts are long, which effectively prevents electromagnetic leakage at the air inlet and outlet ports and improves the air fluency of the air inlet and outlet channels.

[0016] 2. The air inlet and outlet channels of the present invention occupy little space, and the hollow design of the interlayer with multiple air inlet and outlet channel partitions improves the stress structure of the bottom plate of the induction cooker body. Under the same stress conditions, it saves materials compared with ordinary bottom plates.

[0017] 3. The air inlet and outlet channels in the air inlet and outlet duct plates of the present invention have simple structures, are easy to manufacture, and have low costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is an exploded view of Example 1 of the present invention;

[0019] FIG2 is a schematic diagram of Embodiment 2 of the present invention;

[0020] FIG3 is a schematic diagram of Embodiment 3 of the present invention;

[0021] FIG4 is a schematic diagram of Embodiment 4 of the present invention;

[0022] FIG5 is a schematic diagram of Embodiment 5 of the present invention. DETAILED DESCRIPTION

[0023] The technical solutions of the embodiments of the present invention are explained and described below in conjunction with the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0024] Embodiment 1: The air inlet channel 71 and the air outlet channel 77 in the interlayer 7 are both arc-shaped channels.

[0025] As shown in FIG1 , an electromagnetic oven for preventing electromagnetic leakage of air inlet and outlet comprises a chassis 4 and a panel 1. The chassis 4 is provided with a heating plate 2, a display circuit 3, a fan 6 and a heat dissipation control circuit 5 for controlling the speed of the fan 6. The bottom shell of the chassis 4 is an interlayer 7 or the bottom shell of the chassis 4 is provided with an interlayer 7. The interlayer 7 is provided with a chassis air inlet 74 and a chassis air outlet 75 respectively connected to the inside of the chassis 4. The fan 6 is arranged on the chassis air inlet 74. The interlayer 7 is provided with an air inlet and outlet partition plate 73 for separating the inside of the interlayer 7 into an air inlet area and an air outlet area. A plurality of air inlet channel partition plates 72 are provided in the air inlet area of ​​the interlayer 7. An air inlet channel 71 is formed between the two air inlet channel partition plates 72. The air outlet end of the air inlet channel 71 is connected to the chassis air inlet 74. The interlayer 7 A plurality of air outlet channel partitions 76 are provided in the air outlet area, and an air outlet channel 77 is formed between two of the air outlet channel partitions 76 . The air inlet end of the air outlet channel 77 is communicated with the chassis air outlet 75 .

[0026] The air inlet channel partition plate 72 and the air outlet channel partition plate 76 are arc-shaped partition plates, and the air inlet of the air inlet channel 71 and the air outlet of the air outlet channel 77 are respectively arranged on both side surfaces of the interlayer 7.

[0027] When the heating plate 2 is heating, the fan 6 rotates at the same time, and the cold air outside the induction cooker enters the interlayer 7 from the air inlet 71 on the side of the interlayer 7, and enters the chassis 4 through the chassis air inlet 74 along with the fan 6, and after exchanging heat with the heating plate 4 in the chassis 4, enters the air outlet 77 in the interlayer 7 through the chassis air outlet 75, and is discharged through the air outlet 77 on the other side of the interlayer 7, thereby realizing the heat dissipation of the induction cooker.

[0028] Among them, wind guide baffles 78 are provided at the corners of the interlayer 7 to make the air inlet and outlet smoother, and at the same time reduce the long side size of the inlet and outlet air ducts, which is beneficial to reducing electromagnetic leakage. The outlet ends of the multiple air inlet channels 71 in the interlayer 7 are interconnected, and the inlet ends of the multiple air outlet channels 77 in the interlayer 7 are interconnected. The multiple air inlet channels 71 and the multiple air outlet channels 77 are provided, which can reduce the long side size of a single air duct, reduce electromagnetic leakage, and increase the cross-sectional size of the air duct. The air duct can also be arranged into double layers or multiple layers. On the other hand, in order to prevent mosquitoes from entering the air duct, a mosquito net can be arranged at the air duct opening (not shown in the figure).

[0029] The interlayer 7 is integrally formed with or electrically connected to the air inlet and outlet duct partition 73, the air inlet channel partition 72, and the air outlet channel partition 76 respectively. The interlayer 7, the air inlet and outlet duct partition 73, the air inlet channel partition 72, and the air outlet channel partition 76 are all made of conductive materials, and the conductive materials are metals with good conductivity, such as aluminum, copper, iron, stainless steel, etc. The interlayer 7, the air inlet and outlet duct partition 73, the air inlet channel partition 72, and the air outlet channel partition 76 are made of non-conductive materials, such as engineering plastics, etc. The inner surfaces of the air inlet channel 71 and the air outlet channel 77 are provided with a conductive layer, such as an aluminum layer or a copper layer or a conductive paint, and at least a single air duct is electrically connected to each surface in contact with the air, so as to achieve the function of heat dissipation while better preventing electromagnetic leakage of the air inlet and outlet.

[0030] The chassis air inlet 74 and chassis air outlet 75 are respectively arranged at diagonal positions of the interlayer 7 to ensure that the outside air flows in the entire chassis 4 to exchange heat and improve the heat dissipation capacity.

[0031] Embodiment 2: The air inlet channel 71 and the air outlet channel 77 are longitudinal strip-shaped channels.

[0032] As shown in FIG. 2 , the air inlet channel partition 72 and the air outlet channel partition 76 are strip-shaped partitions, and the air ducts are longitudinal strip-shaped channels arranged parallel to the short sides of the interlayer 7 . The air ducts are evenly spaced, which can more effectively reduce electromagnetic leakage.

[0033] Embodiment 3: The air inlet channel 71 and the air outlet channel 77 are oblique strip-shaped channels.

[0034] As shown in FIG. 3 , the air inlet channel partition plate 72 and the air outlet channel partition plate 76 are strip-shaped partition plates, and the air duct is an oblique strip-shaped channel, which can increase the length of the air duct and more effectively reduce electromagnetic leakage.

[0035] Embodiment 4: The air inlet channel 71 and the air outlet channel 77 are transverse strip-shaped channels.

[0036] As shown in FIG. 4 , the air inlet channel partition 72 and the air outlet channel partition 76 are strip-shaped partitions, and the air duct is a transverse strip-shaped channel arranged parallel to the long side of the interlayer 7 , which can increase the length of the air duct and more effectively reduce electromagnetic leakage.

[0037] Embodiment 5: The air inlet of the air inlet channel 71 is arranged on the bottom surface of the interlayer 7 .

[0038] As shown in FIG. 5 , the air inlet of the air inlet channel 71 is arranged on the bottom surface of the interlayer 7 , and the air outlet of the air outlet channel 77 is arranged on the side surface of the interlayer 7 , so as to facilitate the entry of air outside the induction cooker.

[0039] Among them, other air duct inlets and outlets, inlet and outlet ducts and their combination arrangements are not listed here one by one.

Claims

1. An induction cooker for preventing electromagnetic leakage at air inlet and outlet, comprising a chassis (4) and a panel (1), wherein a heating plate (2), a display circuit (3), a fan (6) and a heat dissipation control circuit (5) for controlling the rotation speed of the fan (6) are arranged in the chassis (4), characterized in that: The bottom shell of the chassis (4) is a sandwich (7) or the bottom shell of the chassis (4) is provided with a sandwich (7), the sandwich (7) is provided with a chassis air inlet (74) and a chassis air outlet (75) respectively connected to the inside of the chassis (4), the fan (6) is arranged on the chassis air inlet (74), the sandwich (7) is provided with an air inlet and outlet partition (73) for separating the inside of the sandwich (7) into an air inlet area and an air outlet area, a plurality of air inlet channel partitions (72) are provided in the air inlet area of ​​the sandwich (7), an air inlet channel (71) is formed between the two air inlet channel partitions (72), the air outlet end of the air inlet channel (71) is connected to the chassis air inlet (74), and the air outlet area of ​​the sandwich (7) is provided with a plurality of air inlet channel partitions (72). A plurality of air outlet channel partitions (76) are provided, an air outlet channel (77) is formed between two of the air outlet channel partitions (76), an air inlet end of the air outlet channel (77) is communicated with a chassis air outlet (75), the interlayer (7), the air inlet and outlet channel partitions (73), the air inlet channel partitions (72), and the air outlet channel partitions (76) are all made of conductive materials; or the interlayer (7), the air inlet and outlet channel partitions (73), the air inlet channel partitions (72), and the air outlet channel partitions (76) are made of non-conductive materials, a conductive layer is provided on the inner surfaces of the air inlet channel (71) and the air outlet channel (77), and the air inlet channel partitions (72) and the air outlet channel partitions (76) are arc-shaped partitions or strip-shaped partitions.

2. The electromagnetic cooker for preventing electromagnetic leakage at the air inlet and outlet according to claim 1, characterized in that: The air inlet of the air inlet channel (71) and the air outlet of the air outlet channel (77) are respectively arranged on two side surfaces of the interlayer (7).

3. The electromagnetic cooker for preventing electromagnetic leakage at the air inlet and outlet according to claim 1, characterized in that: The air inlet of the air inlet channel (71) is arranged on the bottom surface of the interlayer (7), and the air outlet of the air outlet channel (77) is arranged on the side surface of the interlayer (7).

4. The electromagnetic cooker for preventing electromagnetic leakage at the air inlet and outlet according to claim 1, characterized in that: The chassis air inlet (74) and the chassis air outlet (75) are respectively arranged at diagonal positions of the interlayer (7).

5. The induction cooker for preventing electromagnetic leakage at the air inlet and outlet according to claim 1, characterized in that: The interlayer (7) is integrally formed with or electrically connected to the air inlet and outlet duct partition plate (73), the air inlet channel partition plate (72), and the air outlet channel partition plate (76).

6. The induction cooker for preventing electromagnetic leakage at the air inlet and outlet according to claim 1, characterized in that: Wind guide baffles (78) are provided at the corners of the interlayer (7).

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