CN213746895U

CN213746895U - Electromagnetic oven

Info

Publication number: CN213746895U
Application number: CN202022478513.7U
Authority: CN
Inventors: 冼茂忠; 杜汉杰; 刘嘉昌; 潘伟成; 邓海林; 覃科铭; 窦振瑞; 韦国权; 黄亚萍; 杨肖文; 杨飞汗; 温嘉雯
Original assignee: Foshan Aiting Electric Appliance Co ltd
Current assignee: Foshan Aiting Electric Appliance Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses an induction cooker, including shell, drum, circuit board, be equipped with a cavity in the shell, be equipped with the division board in the cavity, the division board transversely extends, the space of the top of division board is called the upper space in the cavity, the space of division board below is called down the space in the cavity, be equipped with first fan in the space down, be equipped with the second fan in the upper space, seted up the intercommunication on the shell second air intake and the second air outlet of upper space, set up between second air intake and the second air outlet the drum, seted up the intercommunication on the shell first air intake and the first air outlet in space down, first air intake with set up between the first air outlet the circuit board. The utility model provides an electromagnetism stove that heat dispersion is good.

Description

Electromagnetic oven

Technical Field

The utility model relates to the field of electric appliances, in particular to an induction cooker.

Background

The conventional induction cooker generally includes components such as a circuit board, a wire coil and the like, and the heating function is realized by generating an eddy current effect through the wire coil. In actual use, the circuit board and the wire coil can generate Joule heat in the use process, a heat dissipation fan is arranged in a common circuit board to dissipate heat of the circuit board and the wire coil, but the heat generated by the common wire coil is larger than that of the circuit board, and in order to achieve the purpose of compact structure, the air in the electromagnetic oven can only flow through the wire coil after passing through the circuit board, so that the phenomenon that the circuit board is overheated due to the fact that the high temperature of the wire coil is brought to the circuit board through the air is avoided. However, with such a structure, the heat of the circuit board can still be driven to the wire coil, and the heat dissipation effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the induction cooker solves the problems and has good heat dissipation performance.

The utility model provides a solution of its technical problem is:

an induction cooker comprises a shell, a wire coil and a circuit board, wherein a cavity is arranged in the shell, a partition plate is arranged in the cavity, the partition plate extends transversely, the space above the partition plate in the cavity is called an upper space, the space below the partition plate in the cavity is called a lower space, a circuit board and a first fan for radiating the circuit board are arranged in the lower space, a wire coil and a second fan for radiating the wire coil are arranged in the upper space, the shell is provided with a second air inlet and a second air outlet which are communicated with the upper space, the wire coil and the second fan are arranged between the second air inlet and the second air outlet, the shell is provided with a first air inlet and a first air outlet which are communicated with the lower space, and the circuit board and the first fan are arranged between the first air inlet and the first air outlet.

As a further improvement of the above technical solution, the first air outlet and the second air outlet are both disposed on the right side surface of the housing, and a space is provided between the right side edge of the partition plate and the inner wall of the housing, so that the upper space and the lower space are communicated with each other through the space.

As a further improvement of the above technical solution, the first air inlet is formed in the bottom surface of the housing, the first fan is a volute fan, the air suction opening of the first fan is opposite to the first air inlet, and the air outlet of the first fan faces the first air outlet.

As a further improvement of the above technical scheme, an air guide pipe is arranged in the lower space, the upper end of the air guide pipe is over against an air suction opening of the first fan, the lower end of the air guide pipe is over against the first air inlet, and the air guide pipe is fixedly connected with the first fan.

As a further improvement of the above technical solution, the partition plate includes an upper fixing plate, a lower sealing plate, and a partition plate main body, the upper fixing plate and the lower sealing plate are sequentially arranged from top to bottom, the upper fixing plate and the lower sealing plate are respectively and fixedly connected to the partition plate main body, so that the upper space is formed above the partition plate main body and the upper fixing plate, the lower space is formed below the partition plate main body and the lower sealing plate, a transition space is formed between the upper fixing plate and the lower sealing plate, the second air inlet is formed in the left side surface of the housing, the second air inlet is communicated with the transition space, the upper fixing plate is provided with an opening, the transition space is communicated with the upper space through the opening, the upper fixing plate is provided with the second fan, and the air suction port of the second fan is opposite to the opening, and the air outlet of the second fan faces the second air outlet.

As a further improvement of the technical scheme, the top surface of the partition plate is provided with a plurality of positioning columns, and the wire coil is fixedly connected with the top of the positioning columns through screws so that a gap is formed between the wire coil and the partition plate.

As a further improvement of the technical scheme, one or more wire coils are arranged, a wind distribution assembly is arranged between the wire coils and the second fan and comprises a plurality of pipelines, and the pipelines are opposite to the wire coils in a one-to-one correspondence mode.

As a further improvement of the technical scheme, a radiator is arranged in the lower space, an air outlet of the first fan is opposite to the radiator, the radiator is arranged between the circuit board and the partition board, and the circuit board is fixedly connected with the inner bottom surface of the shell.

As a further improvement of the above technical solution, the heat sink includes a plurality of fins extending in a horizontal direction, and a heat conducting plate fixedly connected to all the fins, all the fins are arranged vertically, a gap is provided between the upper and lower adjacent fins, and the lowest fin is connected to the circuit board.

As a further improvement of the above technical solution, the housing includes a lower case and a panel, the lower case has an opening at a top thereof, and the panel covers the opening such that a space between the case and the panel forms the cavity.

The utility model has the advantages that: through the arrangement of the partition plate, the cavity is divided into an upper space and a lower space, the second fan sucks air from the second air inlet and blows the air to the wire coil in the working process, so that the air flow exchanges heat with the wire coil, the air after heat exchange is blown out from the second air outlet, the first fan sucks air from the first air inlet and blows the air to the circuit board in the working process, the circuit board exchanges heat with the air blown out by the first fan, and the air after heat exchange is blown out from the first air outlet; the wire coil and the circuit board are separated by the partition plate, so that the circuit board and the wire coil can perform heat exchange with air relatively independently, in addition, the circuit board is arranged below the wire coil, and hot air moves upwards, so that the influence on the circuit board caused by the fact that the wire coil generates heat which is hotter than the circuit board is effectively reduced.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is an isometric view of the lower housing, the heat sink, and the first fan of the present invention;

fig. 3 is an axonometric view of the partition plate, the wire coil, the second fan and the air distributing component of the present invention;

fig. 4 is an axonometric view of the lower casing, the partition plate, the wire coil, the second fan and the air distributing assembly of the present invention;

in the drawings: 10-shell, 101-first air inlet, 102-second air inlet, 103-first air outlet, 104-second air outlet, 11-panel, 12-lower shell, 20-wire coil, 30-circuit board, 31-radiator, 311-radiating fin, 312-heat conducting plate, 40-first fan, 41-air guiding pipe, 50-partition plate, 51-upper fixing plate, 511-opening hole, 52-lower sealing plate, 53-partition plate main body, 60-positioning column, 70-second fan and 80-air distribution component.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 4, an induction cooker includes a housing 10, a wire coil 20, and a circuit board 30, wherein a cavity is provided in the housing 10, a partition plate 50 is provided in the cavity, the partition plate 50 extends horizontally, a space above the partition plate 50 in the cavity is referred to as an upper space, a space below the partition plate 50 in the cavity is referred to as a lower space, the circuit board 30 and a first fan 40 for dissipating heat from the circuit board 30 are provided in the lower space, the wire coil 20 and a second fan 70 for dissipating heat from the wire coil 20 are provided in the upper space, a second air inlet 102 and a second air outlet 104 communicating with the upper space are provided on the housing 10, the wire coil 20 and the second fan 70 are provided between the second air inlet 102 and the second air outlet 104, a first air inlet 101 and a first air outlet 103 communicating with the lower space are provided on the housing 10, the circuit board 30 and the first fan 40 are disposed between the first air inlet 101 and the first air outlet 103.

As described above, by the arrangement of the partition plate 50, the cavity is divided into two areas, namely, an upper space and a lower space, the second fan 70 sucks air from the second air inlet 102 and blows the air to the wire coil 20 in the working process, so that the air flow exchanges heat with the wire coil 20, the air after heat exchange is blown out from the second air outlet 104, the first fan 40 sucks air from the first air inlet 101 and blows the air to the circuit board 30 in the working process, the circuit board 30 exchanges heat with the air blown out by the first fan 40, and the air after heat exchange is blown out from the first air outlet 103; the partition plate 50 separates the coil 20 from the circuit board 30 so that the circuit board 30 and the coil 20 perform heat exchange with air relatively independently, and in addition, the circuit board 30 is arranged below the coil 20 and the hot air moves upwards, thereby effectively reducing the influence of the heat generated by the coil 20 and higher than that of the circuit board 30 on the circuit board 30.

In some embodiments, the first air outlet 103 and the second air outlet 104 are both disposed on the right side of the housing 10, and a distance is provided between the right side of the partition plate 50 and the inner wall of the housing 10, so that the upper space and the lower space communicate with each other through the distance. This simple structure, it is convenient to set up, first air outlet 103 and second air outlet 104 set up respectively in the right flank of shell 10, and simultaneously, 50 right sides of division board have the interval with the right side inner wall of shell 10, make the upper space and lower space communicate through this interval, thereby, at radiating in-process, the air current in upper space forms first air current after drum 20, the air current in lower space forms the second air current after circuit board 30, first air current and second air current flow from first air outlet 103 and second air outlet 104 after the interval department intersects, there is broader runner, the radiating effect is better.

In some embodiments, the first air inlet 101 is formed in the bottom surface of the housing 10, the first fan 40 is a volute fan, an air suction port of the first fan 40 faces the first air inlet 101, and an air discharge port of the first fan 40 faces the first air outlet 103. When the air conditioner is used, the first fan 40 rotates, so that air enters the shell 10 from the first air inlet 101 in the bottom surface of the shell 10, the first air inlet 101 is arranged on the outer bottom surface of the shell 10, the space utilization rate is higher, and the structure is compact.

In some embodiments, an air guide pipe 41 is disposed in the lower space, an upper end of the air guide pipe 41 faces an air suction opening of the first fan 40, a lower end of the air guide pipe 41 faces the first air inlet 101, and the air guide pipe 41 is fixedly connected to the first fan 40. The structure is simple, the arrangement is convenient, and the air guide pipe 41 can guide the air so that the air flow entering the first fan 40 is stable.

In some embodiments, the partition plate 50 includes an upper fixing plate 51, a lower sealing plate 52, and a partition body 53, the upper fixing plate 51 and the lower sealing plate 52 are sequentially arranged from top to bottom, the upper fixing plate 51 and the lower sealing plate 52 are respectively fixedly connected to the partition body 53, such that the upper space is formed above the partition body 53 and the upper fixing plate 51, the lower space is formed below the partition body 53 and the lower sealing plate 52, a transition space is formed between the upper fixing plate 51 and the lower sealing plate 52, the second air inlet 102 is opened on the left side surface of the housing 10, the second air inlet 102 communicates with the transition space, the upper fixing plate 51 is opened with an opening 511, the transition space communicates with the upper space through the opening 511, the second fan 70 is disposed on the upper fixing plate 51, the air suction opening of the second fan 70 faces the opening 511, and the air exhaust opening of the second fan 70 faces the second air outlet 104. During the use, generally in order to reduce the thickness of electromagnetism stove and guarantee the radiating efficiency of electromagnetism stove, this second fan 70 generally can adopt the spiral case fan, and the inlet scoop of this second fan 70 sets up downwards for the inlet scoop of second fan 70 is just to this transition space, and the air in the transition space can get into from this second air intake 102, and through the setting of this transition space, can ensure effectively that the intake of second fan 70 is good.

Furthermore, in some embodiments, the lower seal plate 52 may also extend obliquely downward to the inner wall of the housing 10, making the volume of the transition space larger by reducing the volume of the lower space.

In some embodiments, the top surface of the partition plate 50 is provided with a plurality of positioning pillars 60, and the coil 20 is fixedly connected to the tops of the positioning pillars 60 by screws so that a gap is formed between the coil 20 and the partition plate 50. This simple structure, set up conveniently, through the setting of this reference column 60, on the one hand can fix this drum 20 conveniently, on the other hand, has formed the clearance between drum 20 and the division board 50, can effectively reduce on the produced more heat of drum 20 transmits circuit board 30 through division board 50.

In some embodiments, one or more coils 20 are provided, and an air distribution assembly 80 is provided between the coils 20 and the second fan 70, wherein the air distribution assembly 80 includes a plurality of pipes, and the pipes are opposite to the coils 20 in a one-to-one correspondence. This simple structure, setting are convenient, through the setting of this structure, can cut apart the wind that second fan 70 blew conveniently for the wind that second fan 70 blew can disperse uniformly on each drum 20, makes each drum 20 can both dispel the heat effectively.

In some embodiments, there are two coils 20, and accordingly, the air distribution assembly 80 includes two ducts, which are aligned with the coils 20 in a one-to-one correspondence.

In some embodiments, a heat sink 31 is disposed in the lower space, the air outlet of the first air blower 40 faces the heat sink 31, the heat sink 31 is disposed between the circuit board 30 and the partition plate 50, and the circuit board 30 is fixedly connected to the inner bottom surface of the housing 10. Through the setting of this radiator 31, can improve the radiating efficiency of circuit board 30 effectively, in addition, radiator 31 sets up between division board 50 and circuit board 30, can effectively reduce the mutual influence of the produced heat of circuit board 30 and drum 20, and the air exit of first fan 40 is just to radiator 31 for radiator 31's radiating efficiency is higher.

In some embodiments, the heat sink 31 includes a plurality of heat dissipation fins 311 extending in a horizontal direction, and a heat conduction plate 312 fixedly connected to all the heat dissipation fins 311, all the heat dissipation fins 311 are arranged in a vertical direction, a gap is formed between the adjacent heat dissipation fins 311, and the lowest heat dissipation fin 311 is connected to the circuit board 30. In some embodiments, the heat sink 311 is a fin. Through the fin 311 that sets up a plurality of pieces, improve the area of contact of fin 311 and air current for more heats can be taken away when the air current passes through the clearance, thereby improve the radiating efficiency, through the setting of this heat-conducting plate 312, play the effect of fixed all fins 311 on the one hand, on the other hand, can carry out the heat conduction through the mode of heat transfer to the heat on the fin 311, accelerate radiating efficiency, thereby make the heat to circuit board 30 dispel the heat more fast.

In some embodiments, the housing 10 includes a lower case 12 and a panel 11, the lower case 12 has an opening at the top, and the panel 11 covers the opening such that the space between the case and the panel 11 forms the cavity. The structure is simple, the arrangement is convenient, and a user can conveniently install the induction cooker through the arrangement of the structure.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides an induction cooker, includes shell (10), drum (20), circuit board (30), be equipped with a cavity in shell (10), its characterized in that: be equipped with division board (50) in the cavity, division board (50) transversely extend, the space of the top of division board (50) in the cavity is called the upper plenum, the space of division board (50) below in the cavity is called down the space, be equipped with circuit board (30) in the lower plenum, be used for radiating first fan (40) to circuit board (30), be equipped with drum (20) in the upper plenum, be used for to drum (20) radiating second fan (70), seted up the intercommunication on shell (10) second air intake (102) and second air outlet (104) of upper plenum, set up between second air intake (102) and second air outlet (104) drum (20) with second fan (70), seted up the intercommunication on shell (10) first air intake (101) and first air outlet (103) of lower plenum, first air intake (101) with set up between first air outlet (103) circuit board (30) and second fan (70) The first fan (40).

2. The induction cooker according to claim 1, wherein: the first air outlet (103) and the second air outlet (104) are arranged on the right side face of the shell (10), and a distance is arranged between the right side edge of the partition plate (50) and the inner wall of the shell (10), so that the upper space and the lower space are communicated with each other through the distance.

3. The induction cooker according to claim 1, wherein: the bottom surface of shell (10) is seted up first air intake (101), first fan (40) are the spiral case fan, the inlet scoop of first fan (40) is just right first air intake (101), the air exit orientation of first fan (40) first air outlet (103).

4. The induction cooker according to claim 1 or 3, wherein: an air guide pipe (41) is arranged in the lower space, the upper end of the air guide pipe (41) is over against an air suction opening of the first fan (40), the lower end of the air guide pipe (41) is over against the first air inlet (101), and the air guide pipe (41) is fixedly connected with the first fan (40).

5. The induction cooker according to claim 1, wherein: the partition plate (50) comprises an upper fixing plate (51), a lower sealing plate (52) and a partition plate main body (53), the upper fixing plate (51) and the lower sealing plate (52) are sequentially arranged from top to bottom, the upper fixing plate (51) and the lower sealing plate (52) are respectively and fixedly connected with the partition plate main body (53), so that the upper space is formed above the partition plate main body (53) and the upper fixing plate (51), the lower space is formed below the partition plate main body (53) and the lower sealing plate (52), a transition space is formed between the upper fixing plate (51) and the lower sealing plate (52), the second air inlet (102) is formed in the left side surface of the shell (10), the second air inlet (102) is communicated with the transition space, an opening (511) is formed in the upper fixing plate (51), and the transition space is communicated with the upper space through the opening (511), the upper fixing plate (51) is provided with the second fan (70), the air suction opening of the second fan (70) is opposite to the opening hole (511), and the air outlet of the second fan (70) faces the second air outlet (104).

6. The induction cooker according to claim 1, wherein: the top surface of division board (50) is equipped with a plurality of reference column (60), drum (20) pass through screw fixed connection the top of reference column (60) makes drum (20) with form the clearance between division board (50).

7. The induction cooker according to claim 1, wherein: the air distribution device is characterized in that one or more air distribution assemblies (80) are arranged between the wire coil (20) and the second fan (70), each air distribution assembly (80) comprises a plurality of pipelines, and the pipelines are opposite to the wire coil (20) in a one-to-one correspondence mode.

8. The induction cooker according to claim 1, wherein: be equipped with radiator (31) in the lower space, the air exit of first fan (40) is just right radiator (31), radiator (31) set up in circuit board (30) with between division board (50), the interior bottom surface of circuit board (30) fixed connection shell (10).

9. The induction cooker according to claim 8, wherein: the radiator (31) comprises a plurality of radiating fins (311) extending along the horizontal direction and heat conducting plates (312) fixedly connected with all the radiating fins (311), all the radiating fins (311) are vertically arranged, a gap is reserved between the vertically adjacent radiating fins (311), and the radiating fin (311) at the lowest part is connected with the circuit board (30).

10. The induction cooker according to claim 1, wherein: the housing (10) comprises a lower shell (12) and a panel (11), the top of the lower shell (12) is provided with an opening, and the panel (11) covers the opening, so that the space between the shell and the panel (11) forms the cavity.