Heat dissipation structure of electric heating appliance

Abstract

The utility model provides a heat dissipation structure of an electric heating appliance, which comprises a shell, the shell comprises a base, a cavity with a heat dissipation air channel is formed in the base, a heating disc, a fan, a heat dissipation piece and an electric device are arranged in the cavity, an air inlet and an air outlet are arranged on the base, and the air inlet and the air outlet are communicated with the heat dissipation piece. The fan is arranged between the air inlet and the heat dissipation air channel, an air inlet air channel is formed between the air inlet and the fan, the heat dissipation air channel is formed between the fan and the air outlet, and the electric device, the heating disc and the heat dissipation piece are all arranged in the heat dissipation air channel. When the fan works, air is introduced into the cavity from the air inlet, and when flowing out of the heat dissipation air channel, the air passes through the heating disc assembly and the electric device, heat dissipation can be carried out on the heating disc assembly and / or the electric device, the temperature in the cavity is reduced, and the heat dissipation effect is guaranteed. And meanwhile, the problem that the shell scalds hands due to the fact that the temperature generated in the cavity is transmitted to the shell is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric ceramic stove, specifically relates to a heat dissipation structure of electric heating appliance. BACKGROUND

[0002] The existing electric ceramic stove is internally heated, and the heat dissipation effect in the ceramic stove cavity is poor, which can cause heat accumulation in the cavity and difficulty in dissipation, and the internal electrical devices can be damaged due to continuous high temperature, so that the service life of the ceramic stove is shortened. SUMMARY

[0003] The utility model solves one of the problems in the prior art to some extent, and therefore, one purpose of the utility model is to provide a heat dissipation structure of electric heating appliance to ensure heat dissipation effect.

[0004] The above purpose is achieved by the following technical solutions.

[0005] A heat dissipation structure of electric heating appliance, comprising a shell, the shell comprises a base, a cavity with a heat dissipation air duct is formed in the base, a heating disc, a fan, a heat dissipation piece and an electrical device are arranged in the cavity, an air inlet and an air outlet are arranged on the base, the fan is arranged between the air inlet and the heat dissipation air duct, an air inlet air duct is formed between the air inlet and the fan, the heat dissipation air duct is formed between the fan and the air outlet, and the electrical device, the heating disc and the heat dissipation piece are arranged in the heat dissipation air duct.

[0006] As a further improvement of the utility model, the air outlet comprises a first air outlet and a second air outlet, a first heat dissipation air duct is formed between the fan and the first air outlet, and the heating disc assembly is arranged at the first heat dissipation air duct; a second heat dissipation air duct is formed between the fan and the second air outlet, and the electrical device and the heat dissipation piece are arranged at the second heat dissipation air duct.

[0007] As a further improvement of the utility model, a baffle is arranged in the cavity, one end of the baffle extends towards the fan, the other end of the baffle extends to the gap between the first air outlet and the second air outlet, and the baffle is used for separating the first air outlet from the second air outlet.

[0008] As a further improvement of the utility model, the first air outlet is arranged close to the inner side wall of the cavity, and the second air outlet is arranged close to the middle position of the cavity.

[0009] As a further improvement of the utility model, a partition plate assembly is arranged in the cavity, and the partition plate assembly separates the air inlet from the first air outlet and the second air outlet. As a further improvement of the utility model, a partition plate assembly is arranged in the cavity, and the partition plate assembly separates the air inlet from the first air outlet and the second air outlet.

[0010] As a further improvement of the utility model, the utility model also discloses a sealing plate, an air inlet cavity is formed between the sealing plate, the partition plate assembly and the fan, and the air inlet is arranged at the air inlet cavity.

[0011] As a further improvement of the utility model, the first heat dissipation air duct and the second heat dissipation air duct are communicated.

[0012] As a further improvement of the utility model, a mounting groove is formed in the cavity, and the fan is mounted at the mounting groove.

[0013] As a further improvement of the utility model, the fan comprises a heat dissipation fan and a blower.

[0014] As a further improvement of the utility model, the electric device comprises a control panel.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] 1. The utility model discloses a heat dissipation structure of electric heating appliance, the fan works, and air is introduced into the cavity from the air inlet, when the air flows out through the heat dissipation air duct, the heat dissipation air duct can pass through the heating disc assembly and / or the electric device, the heating disc assembly and / or the electric device can be heat dissipated, the temperature in the cavity is reduced, and the heat dissipation effect is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of a heat dissipation structure of electric heating appliance in the embodiment;

[0018] Figure 2 It is an internal schematic view of a heat dissipation structure of electric heating appliance in the embodiment;

[0019] Figure 3 It is another internal schematic view of a heat dissipation structure of electric heating appliance in the embodiment;

[0020] Figure 4 It is a structure schematic view of a bottom disc in the embodiment;

[0021] Figure 5 It is a sectional view of a heat dissipation structure of electric heating appliance in the embodiment;

[0022] Figure 6 It is an exploded schematic view of a heat dissipation structure of electric heating appliance in the embodiment;

[0023] Figure 7 It is another structure schematic view of a heat dissipation structure of electric heating appliance in the embodiment;

[0024] Figure 8 Figure 6 is another structural schematic diagram of a heat dissipation structure of an electric heating appliance in an embodiment. DETAILED DESCRIPTION

[0025] The following embodiments are used to illustrate the present application, but the present application is not limited by these embodiments. Modifications to the specific embodiments of the present application or equivalent replacements to some technical features without departing from the spirit of the present application should be included in the technical solution range claimed by the present application.

[0026] As shown in Figures 1-8 A heat dissipation structure of an electric heating appliance includes a shell 1, the shell 1 includes a base 2, a cavity 20 with a heat dissipation air duct is formed in the base 2, a heating disc assembly 31, a fan 32, a heat dissipation piece and an electrical device 33 are arranged in the cavity 20, an air inlet 41 and an air outlet 42 are arranged on the base 2, the fan 32 is arranged between the air inlet 41 and the heat dissipation air duct, an air inlet air duct is formed between the air inlet 41 and the fan 32, a heat dissipation air duct is formed between the fan 32 and the air outlet 42, the electrical device 33, the heating disc assembly 31 and the heat dissipation piece are arranged in the heat dissipation air duct.

[0027] The present application provides a heat dissipation structure of an electric heating appliance, the fan 32 works, air is introduced into the cavity 20 from the air inlet 41, when the air flows out of the heat dissipation air duct, the air passes through the heating disc assembly 31 and the electrical device 33, the heating disc assembly 31 and the electrical device 33 can be cooled, the temperature in the cavity 20 is reduced, and the heat dissipation effect is ensured. At the same time, the problem that the temperature generated in the cavity is transmitted to the shell to cause the shell to be hot to the touch is solved, and the problem that the whole machine is hot is well solved.

[0028] In the embodiment, the electric heating appliance includes an electric ceramic stove.

[0029] In the embodiment, the fan 32 includes a heat dissipation fan (such as Figures 2-3 ), an air blower (such as Figures 7-8 ).

[0030] In the embodiment, the heat dissipation piece is a heat dissipation fin.

[0031] In some embodiments, a small fan is used, the small fan is vertically placed, and the air blown by the small fan is directed to the heat dissipation air duct. The air inlet end of the small fan is directed to the air inlet 41, the air outlet end of the small fan is directed to the air outlet 42, and the thickness of the small fan is 10-15 mm.

[0032] In some embodiments, the fan 32 is a blower, an air inlet end of the blower faces the air inlet 41, and an air outlet end of the blower faces the air outlet 42.

[0033] In this embodiment, the electrical device 33 includes a control panel.

[0034] In some embodiments, the heat dissipation fins are arranged on the control panel to dissipate heat from the control panel.

[0035] The air outlet 42 includes a first air outlet 421 and a second air outlet 422, a first heat dissipation air duct 51 is formed between the fan 32 and the first air outlet 421, and the heat disc assembly 31 is arranged at the first heat dissipation air duct 51; a second heat dissipation air duct 52 is formed between the fan 32 and the second air outlet 422, and the electrical device 33 is arranged at the second heat dissipation air duct 52. In this embodiment, the air inlet ends of the first heat dissipation air duct 51 and the second heat dissipation air duct 52 are respectively communicated with the fan 32, so that the fan 32 works to blow air into the first heat dissipation air duct 51 and the second heat dissipation air duct 52. After the external air enters the cavity 20 through the air inlet 41, it flows out from the first air outlet 421 through the first heat dissipation air duct 51, and since the heat disc assembly 31 is arranged at the first heat dissipation air duct 51, the heat disc assembly 31 can be cooled and cooled. After the external air enters the cavity 20 through the air inlet 41, it flows out from the second air outlet 422 through the second heat dissipation air duct 52, and since the electrical device 33 is arranged at the second heat dissipation air duct 52, the electrical device 33 in the electric ceramic stove can be cooled and cooled.

[0036] A baffle 6 is arranged in the cavity 20, one end of the baffle 6 extends towards the fan 32, and the other end of the baffle 6 extends towards the gap between the first air outlet 421 and the second air outlet 422, so as to separate the first air outlet 421 and the second air outlet 422 by the baffle 6.

[0037] In this embodiment, the baffle 6 is arc-shaped, and can guide the air inlet and air outlet.

[0038] In this embodiment, the base 2 includes a bottom disc 21 and a side disc 22, the bottom disc 21 is connected with the side disc 22, a control panel 10 is arranged at the side disc 22, an outer wall is upwardly extended at the bottom disc 21, the outer wall is inside the side disc 22, and there is a gap between the side wall and the side disc 22, so as to achieve heat insulation. The inner cavity is formed in the side wall.

[0039] In this embodiment, the bottom disc 21 and the side disc 22 are fixedly connected by screws.

[0040] In the embodiment, a panel 10 is arranged on the side plate 22 and the bottom plate 21.

[0041] The first air outlet 421 is arranged near the inner side wall of the cavity 20, and the second air outlet 422 is arranged near the middle part of the cavity 20.

[0042] In the embodiment, the first air outlet 421 and the second air outlet 422 are arranged at the bottom of the bottom plate 21.

[0043] In the embodiment, the bottom plate 21 comprises a bottom surface and an inclined surface, one end of the inclined surface is connected with the bottom surface, and the other end extends upward. The first air outlet 421 is arranged on the bottom surface, and the second air outlet 422 is arranged on the inclined surface.

[0044] The first heat dissipation air duct 51 and the second heat dissipation air duct 52 are communicated.

[0045] In the embodiment, the baffle 6 is annular, a through hole is formed in the annular baffle 6, and the first heat dissipation air duct 51 and the second heat dissipation air duct 52 are communicated through the through hole.

[0046] When the fan 32 blows air into the first heat dissipation air duct 51, if the temperature at the first heat dissipation air duct 51 cannot be dissipated in time, at this time, since the first heat dissipation air duct 51 and the second heat dissipation air duct 52 are communicated, the heat at the first heat dissipation air duct 51 can flow out through the second air outlet 422; similarly, when the fan 32 blows air into the second heat dissipation air duct 52, if the temperature at the second heat dissipation air duct 52 cannot be dissipated in time, at this time, since the first heat dissipation air duct 51 and the second heat dissipation air duct 52 are communicated, the heat at the second heat dissipation air duct 52 can flow out through the first air outlet 421, so as to ensure the heat dissipation effect.

[0047] A partition assembly 7 is arranged in the cavity 20, and the partition assembly 7 separates the air inlet 41 from the first air outlet 421 and the second air outlet 422.

[0048] In the embodiment, the partition assembly 7 comprises a first partition 71 and a second partition 72, the first partition 71 is between the second air outlet 422 and the air inlet 41, and the second partition 72 is between the first air outlet 421 and the air inlet 41. The air inlet 41, the first air outlet 421 and the second air outlet 422 are separated by the first partition 71 and the second partition 72, so as to avoid the mutual influence of the air inlet and the air outlet.

[0049] In the embodiment, the air inlet 41 is also arranged on the bottom plate 21.

[0050] A sealing plate 73 is further included to form an air inlet cavity 411 between the sealing plate 73, the partition assembly 7 and the fan 32, and the air inlet 41 is arranged at the air inlet cavity 411.

[0051] In this embodiment, a gap distance is formed between the sealing plate 73 and the panel 10, so that the heat of the panel 10 cannot be directly transmitted to the air inlet cavity 411 through the sealing plate 73, thereby avoiding the problem of poor heat dissipation.

[0052] In this embodiment, a mounting groove is formed in the cavity 20, and the fan 32 is mounted in the mounting groove.

[0053] The above preferred embodiments should be regarded as examples of the embodiments of the present application, and any technical derivations, substitutions, improvements, etc. similar to or based on the embodiments of the present application should be regarded as the protection scope of the present patent.

Claims

1. A heat dissipating structure of an electric heating appliance, characterized by comprising: The shell comprises a base, a cavity with a heat dissipation air duct is formed in the base, a heat generating disc, a fan, a heat dissipation member and an electric device are arranged in the cavity, an air inlet and an air outlet are arranged on the base, the fan is arranged between the air inlet and the heat dissipation air duct, an air inlet air duct is formed between the air inlet and the fan, the heat dissipation air duct is formed between the fan and the air outlet, the electric device, the heat generating disc and the heat dissipation member are arranged in the heat dissipation air duct.

2. The heat dissipating structure of an electric heating appliance according to claim 1, wherein The air outlet comprises a first air outlet and a second air outlet, a first heat dissipation air duct is formed between the fan and the first air outlet, the heat generating disc assembly is arranged at the first heat dissipation air duct, a second heat dissipation air duct is formed between the fan and the second air outlet, the electric device and the heat dissipation member are arranged at the second heat dissipation air duct.

3. The heat dissipating structure of an electric heating appliance according to claim 2, wherein A baffle is arranged in the cavity, one end of the baffle extends towards the fan, the other end of the baffle extends towards the gap between the first air outlet and the second air outlet, so as to separate the first air outlet and the second air outlet by the baffle.

4. The heat dissipating structure of an electric heating appliance according to claim 2, wherein The first air outlet is arranged close to the inner side wall of the cavity, and the second air outlet is arranged close to the middle position of the cavity.

5. The heat dissipating structure of an electric heating appliance according to claim 2, wherein A partition assembly is arranged in the cavity, the partition assembly separates the air inlet, the first air outlet and the second air outlet.

6. The heat dissipating structure of an electric heating appliance according to claim 5, wherein A sealing plate is further arranged, an air inlet cavity is formed between the sealing plate, the partition assembly and the fan, and the air inlet is arranged at the air inlet cavity.

7. The heat dissipating structure of an electric heating appliance according to claim 2, wherein The first heat dissipation air duct and the second heat dissipation air duct are connected.

8. The heat dissipating structure of an electric heating appliance according to claim 1, wherein A mounting groove is formed in the cavity, and the fan is mounted at the mounting groove.

9. The heat dissipating structure of an electric heating appliance according to claim 1, wherein The fan comprises a heat dissipation fan and a blower.

10. The heat dissipating structure of an electric heating appliance according to claim 1, wherein The electric device comprises a control board.

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