CN221035865U - Heat radiation structure of electric stove - Google Patents

Abstract

The application relates to the technical field of electric stoves, and particularly provides a heat radiation structure of an electric stove, which comprises a shell, a power supply box and a rectification circuit board, wherein the power supply box and the rectification circuit board are both arranged in the shell, a first radiating fin is attached to the rectification circuit board, an air supply assembly and an air inlet and an air outlet which are oppositely arranged are arranged on the power supply box, the air supply assembly is positioned at the air inlet, a plurality of air inlet holes are formed in one side of the shell, which is close to the air supply assembly, the air inlet holes and the air inlet are oppositely arranged, a plurality of air outlet holes are formed in one side of the shell, which is close to the first radiating fin, the first radiating fin is positioned between the air outlet and the air outlet holes, and the air outlet holes are oppositely arranged, so that an air channel between the air inlet holes and the air outlet holes is linear, and the air output by the air supply assembly can more quickly take away heat emitted by the first radiating fin through driving of the air supply assembly, and damage of the rectification circuit board due to long-time overheat is avoided.

Description

Heat radiation structure of electric stove

Technical Field

The application relates to the technical field of electric stoves, in particular to a heat dissipation structure of an electric stove.

Background

The electric stove is a novel stove which utilizes the characteristic of plasma, uses high-voltage electric breakdown air to form thermal plasma, converts electric energy into heat energy, finally obtains thermal plasma beams with ideal functions, and generates the thermal plasma beams with flame-like characteristics to heat a cooker for cooking.

Because electric stove is cooked through electrode needle with electric energy conversion heat energy to the temperature that can reach is very high, so electric stove's power is very big, leads to the inside rectification circuit board of electric stove to produce the heat also very big, and although can be provided with the air supply subassembly on the electric stove, dispel the heat to the rectification circuit board bloies, but the wind channel structure between current air supply subassembly and the rectification circuit board is the existence corner, and the wind that blows off needs through the corner, because the resistance to wind is bigger in the corner, consequently can lead to the wind speed after the corner is slower, makes the radiating effect of rectification circuit board not good.

Accordingly, the prior art has drawbacks and disadvantages, and needs to be further improved and developed.

Disclosure of utility model

In view of the shortcomings of the prior art, the application aims to provide a heat dissipation structure of an electric stove, and aims to solve the problem that a rectifying circuit board of the electric stove in the prior art is poor in heat dissipation effect.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a heat radiation structure of electric stove, its includes shell, power supply box and rectifier circuit board, the power supply box with the rectifier circuit board all sets up the inside of shell, the last first fin that has of rectifier circuit board, be provided with air supply subassembly and the relative air intake and the air outlet that set up on the power supply box, air supply subassembly is located air intake department, the shell is being close to one side of air supply subassembly is equipped with a plurality of fresh air inlets, fresh air inlet with the air intake sets up relatively, the shell is being close to one side of first fin is equipped with a plurality of fresh air outlets, first fin is located the air outlet with between the fresh air outlet, the air outlet with the fresh air outlet sets up relatively.

Optionally, the first fin includes radiating negative and a plurality of radiating fin, radiating negative's medial surface is attached on the rectification circuit board, and a plurality of radiating fin is vertical to be arranged radiating negative's lateral surface, every adjacent two form between the radiating fin one the direction passageway, the air inlet end of direction passageway is close to the air outlet, the air outlet end of direction passageway is close to the apopore.

Optionally, two air supply assemblies and two air inlets are arranged; the inside of power supply box is provided with the electric capacity subassembly, the vertical second fin that has attached on the electric capacity subassembly, the second fin with one side of power supply box forms first wind channel, the second fin with the opposite side of power supply box forms the second wind channel, two the air-out position of air supply subassembly respectively with first wind channel with the second wind channel is switched on.

The beneficial effects are that: the application provides a heat radiation structure of an electric stove, wherein the rectifying circuit board is provided with the first heat radiation fins, so that heat emitted by the rectifying circuit board when the electric stove works can be quickly absorbed, and the heat can be quickly conducted into the air. The air inlet of power supply box department is provided with the air supply subassembly, through the drive of air supply subassembly, the wind of air supply subassembly output not only can take away the heat that the internal device of power supply box distributed out, moreover because the fresh air inlet with the air intake sets up relatively, the air intake with the air outlet sets up relatively, the air outlet with the air outlet sets up relatively for the fresh air inlet with the wind channel between the air outlet is the straight line type, wherein first fin is located the air outlet with between the air outlet, consequently can also take away more fast the heat that the first fin distributed out, thereby avoid rectifier circuit board is impaired because of long-time overheated.

Drawings

Fig. 1 is a first perspective view of a heat dissipating structure of an electric cooker provided in the present application;

fig. 2 is a second perspective view of a heat dissipating structure of the electric cooker provided in the present application;

FIG. 3 is a first exploded schematic view of a heat dissipating structure of an electric cooker provided in the present application;

FIG. 4 is a second exploded view of the heat dissipating structure of the electric cooker provided in the present application;

Fig. 5 is a schematic view of an internal structure of a heat dissipating structure of the electric cooker provided in the present application;

FIG. 6 is a schematic perspective view of a first heat sink or a second heat sink provided in the present application;

reference numerals illustrate:

1. A housing; 2. a power supply box; 3. a rectifying circuit board; 4. a first heat sink; 5. a second heat sink; 6. a capacitor assembly; 7. a first air duct; 8. a second air duct; 9. a flame generating assembly; 11. an air inlet hole; 12. an air outlet hole; 21. an air supply assembly; 22. an air inlet; 23. an air outlet; 41. a heat sink plate; 42. a heat radiation fin; 43. and a guide channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear and clear, the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the application, unless otherwise indicated, the meaning of "a number" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6 in combination, a heat dissipation structure of an electric stove is provided in an embodiment of the present application, which includes a housing 1, a power box 2 and a rectifying circuit board 3, wherein the power box 2 and the rectifying circuit board 3 are both disposed inside the housing 1, a first heat sink 4 is attached to the rectifying circuit board 3, an air supply assembly 21 and an air inlet 22 and an air outlet 23 disposed opposite to each other are disposed on the power box 2, the air supply assembly 21 is disposed at the air inlet 22, a plurality of air inlet holes 11 are disposed on a side of the housing 1 close to the air supply assembly 21, the air inlet holes 11 and the air inlet 22 are disposed opposite to each other, a plurality of air outlet holes 12 are disposed on a side of the housing 1 close to the first heat sink 4, the first heat sink 4 is disposed between the air outlet 23 and the air outlet holes 12, and the air outlet 23 and the air outlet holes 12 are disposed opposite to each other. The top of the housing 1 is further provided with a flame generating component 9, the flame generating component 9 is electrically connected with the rectifying circuit board 3, four first cooling fins 4 are provided, two first cooling fins 4 are respectively provided on the left side and the right side of the rectifying circuit board 3, and the two first cooling fins 4 are respectively attached to the front surface and the back surface of the rectifying circuit board 3.

As can be seen from the above, the rectifying circuit board 3 is provided with the first cooling fin 4, so that the heat emitted by the rectifying circuit board 3 during the operation of the electric stove can be quickly absorbed, and the heat can be quickly conducted into the air. The air inlet 22 of the power box 2 is provided with an air supply assembly 21, through the driving of the air supply assembly 21, the air output by the air supply assembly 21 not only can take away the heat emitted by the internal devices of the power box 2, but also because the air inlet 11 and the air inlet 22 are oppositely arranged, the air inlet 22 and the air outlet 23 are oppositely arranged, and the air outlet 23 and the air outlet 12 are oppositely arranged, so that an air channel between the air inlet 11 and the air outlet 12 is in a linear shape, and the first radiating fin 4 is positioned between the air outlet 23 and the air outlet 12, so that the heat emitted by the first radiating fin 4 can be taken away more rapidly, and the rectifying circuit board 3 is prevented from being damaged due to long-time overheat.

In some embodiments, the first heat sink 4 includes a heat sink 41 and a plurality of heat dissipating fins 42, the inner side surface of the heat sink 41 is attached to the rectifying circuit board 3, the plurality of heat dissipating fins 42 are vertically arranged on the outer side surface of the heat sink 41, a linear guide channel 43 is formed between every two adjacent heat dissipating fins 42, and an air inlet end of the guide channel 43 is close to the air outlet 23. The inner side surface of the heat dissipation bottom plate 41 is attached to the rectifying circuit board 3, the heat dissipation bottom plate 41 is used for rapidly absorbing heat emitted by the rectifying circuit board 3 when the electric stove works, and conducting the heat to the plurality of heat dissipation fins 42, and the plurality of heat dissipation fins 42 conduct the heat to the air, so that a heat dissipation function is achieved. By adding a plurality of radiating fins 42, the contact area between the first radiating fins 4 and air can be increased, so that the heat dissipation of the rectifying circuit board 3 is quickened, and the formed plurality of guide channels 43 play a role in guiding the wind output by the wind supply assembly 21, so that the air flows faster and smoother.

In some embodiments, the number of the air supply assemblies 21 and the air inlets 22 is two; the inside of power supply box 2 is provided with capacitor assembly 6, the vertical subsides of capacitor assembly 6 is gone up has second fin 5, second fin 5 with one side of power supply box 2 forms and is linear type first wind channel 7, second fin 5 with the opposite side of power supply box 2 forms and is linear type second wind channel 8, two the air-out position of air supply assembly 21 respectively with first wind channel 7 with second wind channel 8 switches on. The second heat dissipation fins 5 are provided, so that on one hand, heat dissipation can be performed on the capacitor assembly 6, on the other hand, the internal space of the power box 2 can be divided into the first air duct 7 and the second air duct 8, so that the cross section of the air output by the two air supply assemblies 21 in the flowing direction is reduced, that is, each air duct corresponding to each air supply assembly 21 becomes narrower, and because the ratio of the flow rate to the cross section area is equal to the flow velocity, when the cross section area is smaller, the wind speed is larger, and the heat dissipation function is further enhanced.

It is to be understood that the application is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.

Claims (3)

1. The utility model provides a heat radiation structure of electric stove which characterized in that: including shell (1), power supply box (2) and rectifier circuit board (3), power supply box (2) with rectifier circuit board (3) all set up the inside of shell (1), it has first fin (4) to paste on rectifier circuit board (3), be provided with air feed subassembly (21) and air intake (22) and air outlet (23) that set up relatively on power supply box (2), air feed subassembly (21) are located air intake (22) department, shell (1) are being close to one side of air feed subassembly (21) is equipped with a plurality of fresh air inlet (11), fresh air inlet (11) with air intake (22) set up relatively, shell (1) be being close to one side of first fin (4) is equipped with a plurality of fresh air outlet (12), first fin (4) are located air outlet (23) with between fresh air outlet (12), air outlet (23) with fresh air outlet (12) set up relatively.

2. The heat radiation structure of an electric cooker according to claim 1, characterized in that: the first radiating fin (4) comprises a radiating bottom plate (41) and a plurality of radiating fins (42), the inner side surface of the radiating bottom plate (41) is attached to the rectifying circuit board (3), the radiating fins (42) are vertically arranged on the outer side surface of the radiating bottom plate (41), one guide channel (43) is formed between every two adjacent radiating fins (42), the air inlet end of the guide channel (43) is close to the air outlet (23), and the air outlet end of the guide channel (43) is close to the air outlet hole (12).

3. The heat radiation structure of an electric cooker according to claim 1, characterized in that: the number of the air supply assemblies (21) and the number of the air inlets (22) are two;

the inside of power supply box (2) is provided with electric capacity subassembly (6), vertical subsides have second fin (5) on electric capacity subassembly (6), second fin (5) with one side of power supply box (2) forms first wind channel (7), second fin (5) with the opposite side of power supply box (2) forms second wind channel (8), two the air-out position of air supply subassembly (21) respectively with first wind channel (7) with second wind channel (8) switch on mutually.