CN211260900U - A modular furnace core for an induction cooker - Google Patents

Abstract

The utility model relates to a modularization wick of electromagnetism stove. The heat exchanger is provided with an outer heat exchange air duct and an inner heat exchange air duct, the outer heat exchange air duct is communicated with the outer heat exchange air duct, and the inner heat exchange air duct is communicated with the inner heat exchange air duct. The utility model discloses a set up the heat exchanger in the base, outer circulation heat dissipation wind channel and inner loop heat dissipation wind channel, the outer cold wind of base gets into the base through outer circulation heat dissipation wind channel in, hot-blast in the base constantly circulates through inner loop heat dissipation wind channel, cold wind carries out the heat transfer with hot-blast through the heat exchanger, cold wind has taken away the heat on the circuit board radiator, and after the hot-blast temperature descends, get back to the base inner chamber again, cold wind and hot-blast constantly are at the base inner loop heat transfer, thereby realize dispelling the heat to the circuit board, the radiating effect is good.

Description

A modular furnace core for an induction cooker

technical field

The utility model relates to the technical field of induction cookers, in particular to a modular furnace core of an induction cooker.

Background technique

The existing induction cooker has poor heat dissipation effect on its circuit board, and if the electrical components on the circuit board are subjected to high temperature for a long time, it is easy to be damaged or its life is shortened. Therefore, the existing induction cooker needs to be further improved.

Utility model content

The purpose of the utility model is to provide a modular furnace core of an induction cooker with simple structure and good heat dissipation effect.

The purpose of this utility model is achieved in this way:

A modular furnace core of an induction cooker, comprising a base, a heat exchanger, an air inlet guide seat, an air duct isolation seat and an electromagnetic coil disk, the electromagnetic coil disk is arranged on the top of the base, and the base is provided with an external circulating cooling air The inner circulation cooling air duct is provided with an inner circulation fan and a circuit board, and the outer circulation cooling air duct is provided with an outer circulation fan and a circuit board radiator, and the circuit board radiator is arranged on the circuit board. Above, the heat exchanger is provided with an outer heat exchange air duct and an inner heat exchange air duct, the outer heat exchange air duct and the inner heat exchange air duct are arranged adjacently, and the outer heat exchange air duct is connected to the outer circulation heat dissipation air duct, and the inner heat exchange air duct is connected to the outer heat exchange air duct. The heat exchange air duct is communicated with the internal circulation heat dissipation air duct. The external circulation fan of the utility model drives the external cold air to continuously circulate on the external circulation heat dissipation air duct, the inner circulation fan drives the hot air in the base to continuously circulate on the internal circulation heat dissipation air duct, and the hot air in the base constantly exchanges with the external cold air. heat to reduce the temperature in the base, so as to realize the heat dissipation of the circuit board, and the heat dissipation effect is good, so that the circuit board of the induction cooker can work within a suitable temperature range.

The utility model can also be further improved as follows.

The base is provided with an air inlet hole and an air outlet hole corresponding to the external circulation heat dissipation air duct, so that the outside air can enter the base to continuously circulate heat exchange, and improve the heat exchange efficiency and heat dissipation effect.

The air outlet hole is provided on the top of the base at a position corresponding to the heat sink of the circuit board.

The base is provided with a first heat dissipation cavity, the circuit board is arranged on the first heat dissipation cavity, the first heat dissipation cavity is located on the inner circulation heat dissipation air duct, and the first heat dissipation cavity communicates with the internal heat exchange. Air duct and internal circulation fan,

The circuit board radiator is provided with a heat dissipation channel, the front end and the top of the heat dissipation channel are open, and the rear end is closed. The front end of the channel is connected, and the second air inlet and the second air outlet of the inner heat exchange air channel are respectively connected with the first heat dissipation inner cavity and the inner circulation fan. After the external cold air exchanges heat with the hot air in the base, it also passes through the circuit. In the heat dissipation channel of the board radiator, the external cold air radiates heat to the circuit board radiator, thereby further improving the heat dissipation effect of the utility model.

The circuit board radiator is H-shaped, the plurality of heat dissipation channels are located on the top of the circuit board radiator, and the bottom of the circuit board radiator is provided with a lower heat dissipation air duct, and the lower heat dissipation air duct is located in the outer circulation heat dissipation air. The upper and lower radiating air ducts are communicated with the second air inlet of the inner heat exchanging air duct.

A plurality of the inner heat exchange air ducts and a plurality of the outer heat exchange air ducts are arranged at staggered intervals on the heat exchanger, and the inner heat exchange air ducts and the outer heat exchange air ducts are arranged adjacently, and the outer heat exchange air ducts The heat exchange air duct and the inner heat exchange air duct are parallel to each other, so the outside cold air and the hot air in the base are divided into multiple inner heat exchange air ducts and multiple outer heat exchange air ducts, and then heat exchange is performed, so the utility model The heat exchanger has a large heat exchange area, high heat exchange efficiency and good heat dissipation effect.

The first air inlet of the outer heat exchange air duct and the second air outlet of the inner heat exchange air duct are dislocated, and the second air inlet of the inner heat exchange air duct and the first air outlet of the outer heat exchange air duct are dislocated set up.

The first air inlet of the outer heat exchange air duct is arranged at the front end of the heat exchanger, the first air outlet of the outer heat exchange air duct is arranged at the rear end of the heat exchanger, and the first air outlet of the inner heat exchange air duct is arranged at the rear end of the heat exchanger. Two air inlets are arranged at the rear end of the heat exchanger, the second air outlet of the inner heat exchange air duct is arranged at the bottom of the heat exchanger, and the second air inlet of the inner heat exchange air duct is connected to the outer heat exchange air duct. The first air outlet is set up and down and staggered from left to right. Therefore, the structure design of the utility model is reasonable, and the outer heat exchange air duct and the inner heat exchange air duct are separated, so that the outside cold air and the hot air in the base can be divided into a plurality of inner heat exchange air ducts and a plurality of outer heat exchange air ducts. The hot air duct is then heat exchanged, the heat exchange efficiency is high, and the heat dissipation effect is good.

The front end and the top of the inner heat exchange air duct are closed, and the rear end and bottom of the inner heat exchange air duct are open to form the second air inlet and air outlet of the inner heat exchange air duct, respectively. The bottom and top of the duct are closed, and the front and rear ends of the outer heat exchange air duct are open to form the first air inlet and air outlet of the outer heat exchange air duct, respectively, and the second air inlet of the inner heat exchange air duct. The first air outlet of the external hot air duct is set up and down, and the left and right are dislocated.

The air inlet guide seat is located at the front end of the heat exchanger, and is connected to the external heat exchange air duct and the external circulation fan. The second air inlet of the heat exchange air duct and the first heat dissipation inner cavity, the air duct isolation seat communicates with the first air outlet of the outer heat exchange air duct and the circuit board radiator, and the air duct isolation seat separates the inner heat exchange The second air inlet of the hot air duct and the first air outlet of the outer heat exchange air duct are arranged so that the second air inlet of the inner heat exchange air duct and the outer heat exchange air duct are arranged up and down and are dislocated from left to right. Therefore, the structure design of the utility model is reasonable, and the outer heat exchange air duct and the inner heat exchange air duct are separated, so that the outside cold air and the hot air in the base can be divided into a plurality of inner heat exchange air ducts and a plurality of outer heat exchange air ducts. The hot air duct is then heat exchanged, the heat exchange efficiency is high, and the heat dissipation effect is good.

The air inlet guide seat and the air duct isolation seat support the heat exchanger, so that the bottom of the inner heat exchange air duct is separated from the base, so that the second air outlet of the inner heat exchange air duct is communicated with the third heat dissipation inner cavity .

A plurality of front air baffles are arranged on the air inlet guide seat at intervals, and a first ventilation port is arranged between two adjacent front air baffles. The air vents are connected, the front air baffle blocks the front end of the inner heat exchange air duct, the upper part of the air duct isolation seat is provided with a plurality of first rear air baffles at intervals, and between the two adjacent first rear air baffles A second vent is provided, the second vent communicates with the first air outlet of the outer heat exchange air duct, the first rear air baffle blocks the rear end of the inner heat exchange air duct, and the air duct isolation seat A plurality of second rear air baffles are arranged at intervals in the lower part, and a third ventilation port is arranged between two adjacent second rear air baffles, and the third ventilation port communicates with the second air inlet of the inner heat exchange air duct. Therefore, the structure design of the utility model is reasonable, so that the outside cold air and the hot air in the base can be divided into a plurality of inner heat exchange air ducts and a plurality of outer heat exchange air ducts, and then conduct heat exchange, with high heat exchange efficiency and heat dissipation. Works well.

The base includes a bottom plate and a top cover, the top cover is arranged on the bottom plate to enclose an inner cavity of the base, and the top cover is provided with the air outlet hole.

Part of the structure of the circuit board is exposed outside the first heat dissipation cavity, and part of the circuit board exposed outside the first heat dissipation cavity is provided with a wiring socket, so the utility model has a reasonable structure design and is convenient for wiring.

The outer circulation fan and the inner circulation fan are volute fans, and the volute fan can gather and guide the air flow, so that the air flow is more and more concentrated.

The beneficial effects of the present utility model are as follows:

(1) In this utility model, a heat exchanger, an external circulation heat dissipation air duct and an inner circulation heat dissipation air duct are arranged in the base, and the cold air outside the base enters the base through the external circulation heat dissipation air duct, and the hot air in the base passes through the inner circulation heat dissipation air. The channel is continuously circulated, and the cold air and hot air exchange heat through the heat exchanger. The cold air takes away the heat on the radiator of the circuit board, and after the temperature of the hot air drops, it returns to the inner cavity of the base, and the cold air and the hot air are continuously circulated in the base. Therefore, the heat dissipation of the circuit board is realized, and the heat dissipation effect is good, so that the circuit board of the induction cooker can work within a suitable temperature range.

(2) In addition, when the utility model dissipates heat, after the external cold air exchanges heat with the hot air in the base, it also passes through the heat dissipation channel of the circuit board radiator, and the external cold air radiates heat to the circuit board radiator, thereby further improving the utility model. cooling effect.

(3) In addition, when the utility model dissipates heat, the external cold air and the hot air in the base are divided into a plurality of inner heat exchange air ducts and a plurality of outer heat exchange air ducts, and then heat exchange is performed. The heat exchanger has a large heat exchange area, high heat exchange efficiency and good heat dissipation effect.

(4) Moreover, the utility model is an integrated modular furnace core, which can realize integral installation, which is very convenient for installation and improves production efficiency. In addition, part of the structure of the circuit board exposed outside the first heat dissipation inner cavity of the present invention is provided with a wiring socket, which is very convenient for wiring.

Description of drawings

FIG. 1 is a schematic structural diagram of the modular furnace core of the induction cooker of the present invention.

FIG. 2 is a schematic structural diagram of another angle of the present invention.

FIG. 3 is a schematic view of the structure of the present invention without the electromagnetic coil disk.

FIG. 4 is a plan view of FIG. 3 .

FIG. 5 is a cross-sectional view at A-A in FIG. 4 .

FIG. 6 is a cross-sectional view at B-B in FIG. 4 .

FIG. 7 is a schematic structural diagram of the present invention without the electromagnetic coil disk and the top cover.

FIG. 8 is a schematic structural diagram of FIG. 7 from another angle. The solid line arrows in FIGS. 5-8 indicate the flow direction of cold air, and the dotted line arrows indicate the flow direction of hot air.

FIG. 9 is a schematic structural diagram of the present invention without the electromagnetic coil disk, the base and the top cover.

10 is a top view of the present invention without the electromagnetic coil disk and the top cover, the dotted box area in the figure represents the first heat dissipation cavity, the second heat dissipation cavity and the third heat dissipation cavity respectively.

11 is a schematic diagram of the exploded structure of the modular furnace core of the induction cooker of the present invention.

12 is a schematic structural diagram of the heat exchanger of the present invention.

FIG. 13 is a schematic structural diagram of the heat exchanger of the present invention from another angle.

14 is a schematic diagram of the connection structure of the heat exchanger, the air inlet guide seat and the air duct isolation seat of the present invention.

FIG. 15 is a schematic structural diagram of FIG. 14 from another angle.

16 is a schematic structural diagram of the air duct isolation seat of the present invention.

17 is a schematic structural diagram of the air inlet guide seat of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Embodiment 1, as shown in FIG. 1 to FIG. 17 , an induction cooker includes a shell (not shown in the figure) and a modular furnace core, the modular furnace core is provided in the shell, and the modular furnace core includes Base 1, circuit board 2, inner circulation fan 4, outer circulation fan 3, air inlet guide seat 6, heat exchanger 5, air duct isolation seat 8, circuit board radiator 7 and electromagnetic coil disk 9, electromagnetic coil disk 9 It is arranged on the top of the base 1. The base 1 is provided with a first heat dissipation cavity 15, a second heat dissipation cavity 16 and a third heat dissipation cavity 17. The circuit board 2 is arranged in the first heat dissipation cavity 15. The external circulation fan 3, the air inlet guide seat 6, the heat exchanger 5, the air duct isolation seat 8 and the circuit board radiator 7 are arranged in the second heat dissipation cavity 16, and the circuit board radiator 7 is arranged in the circuit On the plate 2, the inner circulation fan 4 is arranged in the third heat dissipation inner cavity 17, and the heat exchanger 5 is provided with an outer heat exchange air duct 51 and an inner heat exchange air duct 52, and the outer heat exchange air duct 51 and The inner heat exchange air duct 52 is arranged adjacently, and the outer circulation fan 3, the air inlet guide seat 6, the outer heat exchange air duct 51 of the heat exchanger 5, the air duct isolation seat 8 and the circuit board radiator 7 are connected in sequence to form An external circulation cooling air duct 58 . The internal circulation fan 4 , the first heat dissipation inner cavity 15 , the air duct isolation seat 8 , the inner heat exchange air duct 52 of the heat exchanger 5 , the air inlet guide seat 6 and the third heat dissipation inner cavity 17 are connected in sequence to form an inner Circulating cooling air duct 57 .

As a more specific technical scheme of the present invention.

The air outlet of the internal circulation fan 4 communicates with the first heat dissipation cavity 15 , and the internal heat exchange air duct 52 communicates with the internal circulation fan 4 and the first heat dissipation cavity 15 .

The base 1 is provided with an air inlet hole 13 and an air outlet hole 14 corresponding to the external circulation cooling air duct 58 .

The top of the base 1 is provided with the air outlet hole 14 at a position corresponding to the circuit board heat sink 7 .

As a more specific technical scheme of the present invention.

The base 1 is provided with a partition 18, and the partition 18, the circuit board radiator 7, the heat exchanger 5, the air duct isolation seat 8 and the air inlet guide seat 6 divide the inner cavity of the base 1 into a first heat sink. The inner cavity 15 , the second heat dissipation inner cavity 16 and the third heat dissipation inner cavity 17 , the external circulation fan 3 , the circuit board radiator 7 , the heat exchanger 5 and the air inlet guide seat 6 are arranged in the second heat dissipation inner cavity 16 Inside, the circuit board 2 is arranged in the first heat dissipation inner cavity 15 , and the inner circulation fan 4 is arranged in the third heat dissipation inner cavity 17 .

The partition plate 18 is provided with a first opening 181 , the first air outlets 54 of the plurality of external heat exchange air ducts 51 communicate with the circuit board radiator 7 through the first opening 181 , and the first heat dissipation inner cavity 15 It communicates with the second air inlet 55 of the inner heat exchange air duct 52 through the first opening 181 .

The partition plate 18 is provided with a second opening 182 , and the air outlet of the internal circulation fan 4 communicates with the first heat dissipation inner cavity 15 through the second opening 182 .

The circuit board heat sink 7 is provided with a plurality of heat dissipation channels 71 , the front end and the top of the heat dissipation channel 71 are open, the bottom and rear end of the heat dissipation channel 71 are closed, and the first air inlet of the external heat exchange air channel 51 is 53 and the first air outlet 54 are respectively connected with the front end of the outer circulation fan 3 and the heat dissipation channel 71, and the second air inlet 55 and the second air outlet 56 of the inner heat exchange air channel 52 are respectively connected with the first heat dissipation inner cavity 15, The internal circulation fan 4 is connected.

The circuit board heat sink 7 is H-shaped, the plurality of heat dissipation channels 71 are located at the top of the circuit board heat sink 7, and the bottom of the circuit board heat sink 7 is provided with a lower heat dissipation air duct 72, the lower heat dissipation air duct Located on the outer circulation heat dissipation air duct 58 , the lower heat dissipation air duct 72 communicates with the second air inlet 55 of the inner heat exchange air duct 52 .

The heat exchanger 5 is provided with a plurality of the inner heat exchange air ducts 52 and a plurality of the outer heat exchange air ducts 51 at staggered intervals, and the inner heat exchange air ducts 52 and the outer heat exchange air ducts 51 are adjacent to each other. set up.

The outer heat exchange air duct 51 and the inner heat exchange air duct 52 are parallel to each other. The first air inlet 53 of the outer heat exchange air duct 51 is arranged at the front end of the heat exchanger 5. The first air outlet 54 is arranged at the rear end of the heat exchanger 5 , the second air inlet 55 of the inner heat exchange air duct 52 is arranged at the rear end of the heat exchanger 5 , and the second air inlet 55 of the inner heat exchange air duct 52 is arranged at the rear end of the heat exchanger 5 . The air outlet 56 is arranged at the bottom of the heat exchanger 5 , and the second air inlet 55 of the inner heat exchange air duct 52 and the first air outlet 54 of the outer heat exchange air duct 51 are arranged up and down and staggered from left to right.

The front end and the top of the inner heat exchange air duct 52 are closed, and the rear end and bottom of the inner heat exchange air duct 52 are open to form the second air inlet 55 and the second air outlet 56 of the inner heat exchange air duct 52 respectively. , the bottom and top of the outer heat exchange air duct 51 are closed, and the front and rear ends of the outer heat exchange air duct 51 are open to form the first air inlet 53 and the first air outlet of the outer heat exchange air duct 51 respectively. 54. The second air inlet 55 of the inner heat exchange air duct 52 and the first air outlet 54 of the outer heat exchange air duct 51 are arranged up and down, and are dislocated from left to right.

The air inlet guide seat 6 is arranged at the front end of the heat exchanger 5, and communicates with the outer heat exchange air duct 51 and the outer circulation fan 3 and closes the front end of the inner heat exchange air duct 52. The air duct isolation seat 8 is arranged at the front end. At the rear end of the heat exchanger 5, the air duct isolation seat 8 communicates with the second air inlet 55 of the inner heat exchange air duct 52 and the first heat dissipation cavity 15, and the air duct isolation seat 8 communicates with the outer heat exchange air duct 51. The first air outlet 54 and the circuit board radiator 7, the air duct isolation seat 8 separates the second air inlet 55 of the inner heat exchange air duct 52 and the first air outlet 54 of the outer heat exchange air duct 51 to separate The second air inlet 55 of the inner heat exchange air duct 52 and the outer heat exchange air duct 51 are arranged up and down, and the left and right positions are shifted.

The air inlet guide seat 6 and the air duct isolation seat 8 support the heat exchanger 5, so that the bottom of the inner heat exchange air duct 52 is separated from the base 1, so that the second air outlet 56 of the inner heat exchange air duct 52 is separated. It communicates with the third heat dissipation inner cavity.

A plurality of front air baffles 61 are arranged on the air inlet guide seat 6 at intervals, and a first ventilation port 62 is arranged between two adjacent front air baffles 61. The first ventilation port 62 communicates with the external hot air. The first air inlet 53 of the duct 51 is connected, the front air baffle 61 blocks the front end of the inner heat exchange air duct 52, and a plurality of first rear air baffles 81 are arranged on the upper part of the air duct isolation seat 8 at intervals, adjacent to each other. A second ventilation port 82 is provided between the two first rear air baffles 81, and the second ventilation port 82 communicates with the first air outlet 54 of the external heat exchange air duct 51, and the first rear air baffle 81 blocks The upper part of the rear end of the inner heat exchange air duct 52.

The lower part of the air duct isolation seat 8 is provided with a plurality of second rear air baffles 83 at intervals. The lower part of the rear end of the outer heat exchange air duct 51 is blocked, and a third ventilation port 84 is provided between the two adjacent second rear windshields 83 . The air inlet 55 is communicated.

The base 1 includes a bottom plate 12 and a top cover 11 , the top cover 11 is covered on the bottom plate 12 to enclose the inner cavity of the base 1 , and the top cover 11 is provided with the air outlet 14 .

Part of the structure of the circuit board 2 is exposed outside the first heat dissipation cavity 15, and part of the structure of the circuit board 2 exposed outside the first heat dissipation cavity 15 is provided with a wiring socket 19, so the structure design of the present invention is reasonable, Easy wiring.

The outer circulation fan 3 and the inner circulation fan 4 are volute fans.

The top cover 11 and the bottom plate 12 are snap-connected.

The bottom of the base 1 is provided with an air inlet hole 13 .

The circuit board radiator 7 and the heat exchanger 5 are made of aluminum metal.

The working principle of the modular furnace core of the induction cooker of the present utility model is:

When the induction cooker of the present invention is in operation, the modular furnace core of the present invention also starts to work, the electromagnetic coil plate 9 heats the heated vessel on the outer casing, the inner circulation fan 4 and the outer circulation fan 3 start simultaneously, and the outer circulation fan 3. The cold air outside the base 1 is drawn into the base 1, and the cold air flows to the external circulation fan 3 through the air inlet, and then flows to the air inlet guide plate, and then passes through the external heat exchange channel of the heat exchanger 5, and the cold air flows in the heat exchanger. After the internal heat exchange, it flows to the circuit board radiator 7. When the cold air passes through the circuit board radiator 7, the heat on the circuit board radiator 7 is taken away, so as to realize the heat dissipation of the inner cavity of the base. The air outlet 14 is discharged from the base 1 . At the same time, the internal circulation fan 4 starts to draw air, and the hot air in the first heat dissipation inner cavity 15 in the base 1 first enters the inner heat exchange channel of the heat exchanger 5, and the hot air in the inner heat exchange channel exchanges with the cold air in the outer heat exchange channel. After that, the temperature of the hot air drops, and the temperature of the cold air outside rises. The heat exchange is circulated in the base 1, so as to realize the heat dissipation of the circuit board 2, and finally ensure that the circuit board 2 works in an environment with a suitable temperature.

Claims (10)

1. The utility model provides a modularization wick of electromagnetism stove, includes base and solenoid dish, and the top of base is located to the solenoid dish, be equipped with extrinsic cycle heat dissipation wind channel and inner loop heat dissipation wind channel in the base, be provided with inner loop fan and circuit board on the inner loop heat dissipation wind channel, be provided with extrinsic cycle fan and circuit board radiator on the extrinsic cycle heat dissipation wind channel, the circuit board radiator is located on the circuit board, characterized by still including the heat exchanger, be provided with outer heat transfer wind channel and interior heat transfer wind channel on the heat exchanger, outer heat transfer wind channel and interior heat transfer wind channel adjacent setting, outer heat transfer wind channel intercommunication extrinsic cycle heat dissipation wind channel, interior heat transfer wind channel intercommunication inner loop heat dissipation wind channel.

2. The modular core of claim 1, wherein said base has air inlet holes and air outlet holes corresponding to the external circulation heat dissipation air duct.

3. The modular core of electromagnetic oven as claimed in claim 2, wherein said base has a first heat dissipation cavity therein, said circuit board is disposed on said first heat dissipation cavity, said first heat dissipation cavity is disposed on an internal circulation heat dissipation air duct, and said first heat dissipation cavity is communicated with an internal heat exchange air duct and an internal circulation fan.

4. The modular core of claim 3, wherein the circuit board heat sink has a heat dissipation channel, the first air inlet of the outer heat exchange air duct is connected to the outer circulation fan, the first air outlet of the outer heat exchange air duct is connected to the heat dissipation channel, the second air inlet of the inner heat exchange air duct is connected to the first heat dissipation chamber, and the second air outlet of the inner heat exchange air duct is connected to the inner circulation fan.

5. The modular core of an induction cooker as claimed in claim 1, wherein said heat exchanger is provided with a plurality of said inner heat exchange air ducts and a plurality of said outer heat exchange air ducts at staggered intervals, said outer heat exchange air ducts and said inner heat exchange air ducts being parallel to each other.

6. The modular oven core of claim 5, wherein the first air inlet of the outer heat exchanging air duct is disposed at the front end of the heat exchanger, the first air outlet of the outer heat exchanging air duct is disposed at the rear end of the heat exchanger, the second air inlet of the inner heat exchanging air duct is disposed at the rear end of the heat exchanger, the second air outlet of the inner heat exchanging air duct is disposed at the bottom of the heat exchanger, and the second air inlet of the inner heat exchanging air duct and the first air outlet of the outer heat exchanging air duct are disposed vertically and staggered from left to right.

7. The modular furnace core of the electromagnetic oven as claimed in claim 6, further comprising an air inlet guide seat and an air duct isolation seat, wherein the air inlet guide seat is arranged at the front end of the heat exchanger and communicated with the outer heat exchanging air duct and the outer circulating fan, the air duct isolation seat is arranged at the rear end of the heat exchanger and communicated with the second air inlet of the inner heat exchanging air duct and the first heat dissipation inner cavity, the air duct isolation seat is communicated with the first air outlet of the outer heat exchanging air duct and the heat dissipation channel, and the air duct isolation seat separates the second air inlet of the inner heat exchanging air duct and the first air outlet of the outer heat exchanging air duct, so that the second air inlet of the inner heat exchanging air duct and the first air outlet of the outer heat exchanging air duct are arranged vertically and staggered left and right.

8. The modular core of electromagnetic oven as claimed in claim 7, wherein the air intake guiding seat is spaced apart from and provided with a plurality of front wind deflectors, a first air vent is provided between two adjacent front wind deflectors, the first air vent is communicated with a first air inlet of the outer heat exchanging air duct, the front wind deflectors block the front end of the inner heat exchanging air duct, a plurality of first rear wind deflectors are spaced apart from and provided with an upper portion of the air duct isolating seat, a second air vent is provided between two adjacent first rear wind deflectors, the second air vent is communicated with a first air outlet of the outer heat exchanging air duct, the first rear wind deflectors block the rear end of the inner heat exchanging air duct, a plurality of second rear wind deflectors are spaced apart from and provided with a lower portion of the air duct isolating seat, a third air vent is provided between two adjacent second rear wind deflectors, and the third air vent is communicated with a second air inlet of the inner heat exchanging air duct.

9. The modular core of claim 4, wherein said air outlet is formed in a position of said base corresponding to said heat sink of said circuit board.

10. The modular core of claim 3, wherein a portion of the circuit board is exposed from the first heat dissipation cavity, and a connection socket is disposed on the portion of the circuit board exposed from the first heat dissipation cavity.

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