CN211212686U - Power board subassembly and cooking utensil - Google Patents

Abstract

The utility model provides a power strip subassembly and cooking utensil, the power strip subassembly includes: a power panel support; the power panel is arranged on one side of the power panel bracket, and a separation cavity is formed between the power panel and the power panel bracket; the fan assembly is arranged on the power panel bracket; and one end of the cold air channel is communicated with the separation cavity, and the other end of the cold air channel is arranged corresponding to the fan assembly. Through the technical scheme that this application provided, can solve the poor problem of radiating effect among the prior art.

Description

Power board subassembly and cooking utensil

Technical Field

The utility model relates to a cooking utensil technical field particularly, relates to a power strip subassembly and cooking utensil.

Background

At present, in an electric cooker which is heated by an electromagnetic method, an Insulated Gate Bipolar Transistor (IGBT) on a power board generates a large amount of heat during operation, and when the temperature of the IGBT is too high, the electric cooker stops operating. In order to cool the power supply board, the IGBT is usually disposed on the heat sink, and the IGBT is cooled by a fan.

However, when heat is dissipated through the structure, a large amount of heat still exists around the power panel, which affects the operation of the IGBT, and thus the heat dissipation effect is poor in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power strip subassembly and cooking utensil to solve the poor problem of radiating effect among the prior art.

According to an aspect of the utility model, a power strip subassembly is provided, and the power strip subassembly includes: a power panel support; the power panel is arranged on one side of the power panel bracket, and a separation cavity is formed between the power panel and the power panel bracket; the fan assembly is arranged on the power panel bracket; and one end of the cold air channel is communicated with the separation cavity, and the other end of the cold air channel is arranged corresponding to the fan assembly. By adopting the structure, the fan assembly is utilized to blow the cold air flow into the separation cavity through the cold air channel, the cold air flow can be utilized to simultaneously dissipate heat and cool the front and the back of the power panel, and the cold air flow can accelerate the flow of gas in the separation cavity, so that the heat exchange of the power panel can be accelerated, and the heat dissipation effect of the device can be improved.

Furthermore, ribs are arranged between the power panel and the power panel support to form a separation cavity through the ribs, so that the power panel and the power panel support are not directly attached, and cold air flow is convenient to dissipate heat and cool the power panel.

Further, the rib includes two at least first support muscle, and two at least first support muscle intervals set up on the power strip support, and every first support muscle extends along vertical direction, and two at least first support muscle, power strip and power strip support cooperate in order to form the cold wind passageway. Through set up first support muscle on the power strip support, can utilize first support muscle to support the power strip to make and have the interval between power strip support and the power strip, in order to form the cold wind passageway.

Furthermore, a second supporting rib is further arranged on the power panel support, the second supporting rib is arranged along the horizontal direction, the first supporting rib is connected with the second supporting rib, and a notch is formed in the second supporting rib, so that the cold air channel is communicated with the separation cavity through the notch, and the cold air flow can enter the separation cavity through the cold air channel.

Furthermore, a plurality of gaps are arranged on the second supporting ribs at intervals so as to increase the flow and the flow speed of the cold air flow entering the separation cavity.

Furthermore, the power panel component further comprises a radiating fin, the radiating fin is arranged on one side, far away from the power panel support, of the power panel, the power panel component further comprises a second wind blocking portion, the second wind blocking portion is arranged on the power panel support and corresponds to the radiating fin, and the projection of the radiating fin on the power panel support is at least partially overlapped with the second wind blocking portion, so that hot air passing through the radiating fin can be prevented from blowing to the other side of the power panel support by the second wind blocking portion, and components on the other side of the power panel support are protected.

Furthermore, the second wind blocking portion is provided with an upper end and a lower end which are oppositely arranged, the bottom of the radiating fin is higher than the lower end of the second wind blocking portion, and the second wind blocking portion protruding out of the bottom of the radiating fin can guarantee the blocking effect on hot air flow so as to further improve the radiating effect.

Furthermore, ribs are arranged between the power panel and the power panel support to form a separation cavity through the ribs, and the ribs are located on the second wind blocking portion. The ribs are arranged between the power panel and the power panel support, so that the power panel can be supported by the ribs, certain gaps can exist between the power panel and the power panel support, a separation cavity is formed, and the back of the power panel can be ensured to have enough heat dissipation space.

Further, the power strip subassembly still includes the fin, and the fin setting is in the below of power strip, and the power strip subassembly still includes: the first wind shielding part is used for blocking the airflow passing through the side wall of the radiating fin from flowing to the power panel. By adopting the heat dissipation structure, the first wind shielding part can be used for blocking airflow passing through the side wall of the radiating fin from flowing to the power panel, and the airflow after heat exchange of the side wall of the radiating fin is reduced from flowing to the power panel, so that the overhigh temperature of other components on the power panel can be avoided, and the integral heat dissipation effect of the device can be improved.

Further, the first wind shielding part comprises a wind shielding plate, the wind shielding plate extends along the height direction of the radiating fins, the wind shielding plate is provided with an upper end and a lower end which are arranged oppositely, and the lower end of the wind shielding plate is spaced from the side walls of the radiating fins, so that the radiating fins are provided with enough radiating spaces. Specifically, the projection of the wind shield in the vertical direction is at least partially overlapped with the radiating fin, so that when the airflow passing through the side wall of the radiating fin flows to the power panel, the upper end of the wind shield can block hot airflow, and the hot airflow is prevented from continuously flowing to the power panel.

Further, the fan assembly comprises a fan support and a fan, the fan is arranged on the fan support, the fan support is arranged on the power panel support, and the first wind blocking portion is arranged on the fan support. By adopting the structure, the fan can be fixed on the power panel bracket by utilizing the fan bracket.

Furthermore, the fan is located below the fan support, a first air channel and a second air channel are arranged on the fan support, the first air channel is arranged corresponding to the radiating fins and located on the inner side of the first wind shielding portion, and the second air channel is located on the outer side of the first wind shielding portion. By adopting the structure, the cold air flow can be blown to the radiating fins through the first air channel, so that the radiating fins are cooled through the first air channel, the cold air flow can be blown to the power panel through the second air channel, and other components on the power panel are cooled through the second air channel.

According to another aspect of the present invention, there is provided a cooking appliance, the cooking appliance including: a pot body assembly; the upper cover assembly is arranged on the cooker body assembly; the base is connected with the cooker body assembly and is provided with heat dissipation holes; the power board assembly is arranged on the cooker body assembly and is the power board assembly provided by the cooker body assembly.

Use the technical scheme of the utility model, this power strip subassembly includes power strip support, power strip, fan assembly and cold wind passageway. The power panel is arranged on one side of the power panel support, and the fan assembly is arranged on the power panel support. Through set up between power strip and power strip support and separate the chamber, make the one end of cold wind passageway with separate the chamber intercommunication, make the other end of cold wind passageway and fan assembly correspond the setting, can utilize fan assembly to blow in the air current through the cold wind passageway and separate the intracavity like this for separate the gas flow of intracavity for dispel the heat the cooling to the power strip, thereby can promote device's radiating effect.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows an exploded view of a power board assembly provided by the present invention;

fig. 2 shows a schematic structural diagram of a power board assembly provided by the present invention;

FIG. 3 shows a schematic structural view of the power strip support of FIG. 2;

fig. 4 is a schematic structural diagram of the power board assembly provided by the present invention when the fan is not installed;

fig. 5 is a schematic structural diagram of the power panel assembly provided by the present invention when a fan is installed;

fig. 6 shows an exploded view of a cooking appliance provided by the present invention;

fig. 7 shows a cross-sectional view of a cooking appliance provided by the present invention;

fig. 8 shows a partial enlarged view at a in fig. 7.

Wherein the figures include the following reference numerals:

10. a power panel support; 11. a first support rib; 12. a second support rib; 121. a notch; 13. a compartment;

20. a power panel;

30. a heat sink; 31. a main body; 32. a heat dissipating tooth; 33. a heat dissipating surface;

40. a fan assembly; 41. a fan bracket; 411. a first air duct; 412. a second air duct; 42. a fan;

50. a first windshield portion; 51. a wind deflector;

60. a second wind blocking part;

70. a cold air passage;

100. a pot body assembly; 110. an upper cover assembly; 120. a base; 130. a power board assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a power panel assembly, which includes a power panel bracket 10, a power panel 20, a fan assembly 40, and a cooling air duct 70. The power panel 20 is disposed on one side of the power panel bracket 10, and a compartment 13 is formed between the power panel 20 and the power panel bracket 10. The fan assembly 40 is disposed on the power board bracket 10, and the fan assembly 40 can be fixed by the power board bracket 10. Specifically, the cold air channel 70 is formed between the power panel 20 and the power panel support 10, one end of the cold air channel 70 is communicated with the partition 13, and the other end of the cold air channel 70 is arranged corresponding to the fan assembly 40, so that the cold air flow can be blown into the partition 13 through the cold air channel 70 by the fan assembly 40, and the cold air flow can be blown to the front of the power panel 20 and the back of the power panel 20, thereby simultaneously dissipating heat and cooling the front and the back of the power panel 20, and further improving the heat dissipation effect of the device.

Wherein the power strip assembly further comprises a heat sink 30. Specifically, the heat sink 30 is disposed below the power supply board 20, and the heat sink 30 is disposed on a side of the power supply board 20 away from the power supply board holder 10. The fan assembly 40 is disposed corresponding to the heat sink 30 and below the heat sink 30, so as to dissipate heat and cool the heat sink 30 by the fan assembly 40.

By applying the power board assembly provided in this embodiment, the partition 13 is disposed between the power board 20 and the power board support 10, and the cold air channel 70 is disposed between the power board 20 and the power board support 10, such that one end of the cold air channel 70 is communicated with the partition 13, and the other end of the cold air channel 70 is disposed corresponding to the fan assembly 40, so that the fan assembly 40 can blow cold air into the partition 13 through the cold air channel 70, thereby accelerating the air flow in the partition 13, and performing heat dissipation and temperature reduction on the power board 20, so as to improve the heat dissipation effect of the apparatus.

The ribs are arranged between the power panel 20 and the power panel support 10 to form the separation cavity 13, so that the power panel 20 and the power panel support 10 are not directly attached to each other, and heat dissipation and cooling of the power panel 20 by cold air flow are facilitated.

Specifically, the rib includes two at least first support muscle 11, and two at least first support muscle 11 intervals set up on power strip support 10, can utilize first support muscle 11 to support power strip 20. Wherein, every first support muscle 11 extends along vertical direction, and first support muscle 11 all is located between power strip support 10 and the power strip 20, and at least two first support muscle 11, power strip 20 and the cooperation of power strip support 10 are in order to form cold wind passageway 70. In this embodiment, two first supporting ribs 11 are disposed on the power panel bracket 10 at intervals, and the cold air channel 70 is formed by the intervals between the two first supporting ribs 11, the power panel 20 and the power panel bracket 10. With the above structure, one of the opening structures at both ends of the cold air duct 70 is communicated with the compartment 13, and the other is disposed corresponding to the fan assembly 40. In the present embodiment, the interval between the power supply board 20 and the power supply board holder 10 is greater than 2 mm.

In this embodiment, the power panel bracket 10 is further provided with a second supporting rib 12, the second supporting rib 12 is arranged along the horizontal direction, the first supporting rib 11 is connected with the second supporting rib 12, and the second supporting rib 12 is provided with a notch 121, so that the cold air channel 70 can communicate with the compartment 13 through the notch 121. In this embodiment, the two first support ribs 11 and the one second support rib 12 are used to support the power panel 20 together, so as to improve the supporting and fixing effect on the power panel 20. Specifically, both ends of the second support rib 12 are connected to the upper ends of the first support ribs 11, respectively.

Wherein, a plurality of gaps 121 are arranged on the second support rib 12 at intervals to increase the flow rate and the flow velocity of the cold airflow entering the compartment 13. In other embodiments, the second support rib 12 may be connected to the middle portion or other portions of the first support rib 11.

In the present embodiment, the power board assembly further includes a heat sink 30 and a second wind blocking portion 60, the heat sink 30 is disposed on a side of the power board 20 away from the power board support 10, the second wind blocking portion 60 is disposed on the power board support 10, the second wind blocking portion 60 is disposed corresponding to the heat sink 30, and a projection of the heat sink 30 on the power board support 10 at least partially overlaps with the second wind blocking portion 60. Wherein, the first supporting ribs 11 are located at both sides of the second wind blocking portion 60. The second wind blocking portion 60 can prevent the hot air passing through the heat dissipation plate 30 from blowing to the other side of the power panel support 10, so as to protect the components on the other side of the power panel support 10. For example, the coil disk may be protected from overheating. By disposing the first support ribs 11 on both sides of the second wind blocking portion 60, the cold air passage 70 is formed at the interval between the two first support ribs 11, the power supply board 20, and the second wind blocking portion 60.

Specifically, the second wind blocking portion 60 has an upper end and a lower end which are oppositely disposed, and the bottom of the heat dissipation fin 30 is higher than the lower end of the second wind blocking portion 60. With the above structure, the second wind blocking portion 60 protruding out of the bottom of the heat dissipating fin 30 can ensure the blocking effect on the hot air flow to further improve the heat dissipating effect.

In the present embodiment, ribs are disposed between the power panel 20 and the power panel bracket 10 to form the separation cavity 13, and the ribs are located on the second wind blocking portion 60. By arranging the ribs between the power panel 20 and the power panel support 10, the ribs can be used for supporting the power panel 20, and a certain gap can exist between the power panel 20 and the power panel support 10 to form a separate cavity, so that a sufficient heat dissipation space can be ensured at the back of the power panel 20.

In the present embodiment, the power board assembly further includes a heat sink 30 and a first wind blocking portion 50, the heat sink 30 is disposed below the power board 20, the first wind blocking portion 50 is disposed at two sides of the heat sink 30, and the first wind blocking portion 50 is used for blocking the airflow passing through the side wall of the heat sink 30 from flowing to the power board 20. With the above configuration, the first wind blocking portion 50 can block the airflow passing through the side wall of the heat sink 30 from flowing to the power board 20, and thus, the temperature of other components on the power board 20 can be prevented from being too high.

Specifically, the first windshield portion 50 includes a windshield 51, and the windshield 51 extends in the height direction of the heat sink 30. In the present embodiment, the vertical direction in which the fan assembly 40 is directed toward the power supply board 20 is the height direction of the heat sink 30. The wind guard 51 has an upper end and a lower end which are oppositely arranged, and the lower end of the wind guard 51 is spaced from the side wall of the heat sink 30, so that the heat sink 30 has a sufficient heat dissipation space. By making the projection of the wind deflector 51 in the vertical direction at least partially coincide with the heat sink 30, when the airflow passing through the side wall of the heat sink 30 flows to the power supply board 20, the wind deflector 51 can block the hot airflow, thereby preventing the hot airflow from continuously flowing to the power supply board 20.

In the present embodiment, the upper end of the wind deflector 51 is higher than the heat sink 30, and the upper end of the wind deflector 51 is bent toward the heat sink 30. With the above structure, the upper end of the wind deflector 51 can block the hot air flow. Wherein, the upper end of the wind deflector 51 can contact with the top of the heat sink 30, so as to cover the upper end of the wind deflector 51 on the top of the heat sink 30; the upper end of the wind guard 51 may be spaced apart from the top of the heat sink 30 to facilitate heat dissipation by the heat sink 30. In the present embodiment, a certain interval is provided between the upper end of the wind deflector 51 and the top of the heat sink 30, and a projection of the upper end of the wind deflector 51 in the vertical direction partially coincides with the heat sink 30. In other embodiments, the wind deflector 51 may be integrally provided as a flat plate structure, and by inclining the wind deflector 51 toward the heat sink 30 as a whole, it is also possible to achieve that the projection of the upper end of the wind deflector 51 in the vertical direction partially coincides with the heat sink 30.

Specifically, the fan assembly 40 includes a fan bracket 41 and a fan 42, the fan bracket 41 is disposed on the power panel bracket 10, and the fan 42 is disposed on the fan bracket 41 to fix the fan 42 on the power panel bracket 10 via the fan bracket 41. Wherein, the fan bracket has the installation cavity, and fan 42 sets up in the installation cavity, can utilize the installation cavity to protect fan 42. The first wind blocking portion 50 is disposed on the fan bracket 41, and the first wind blocking portion 50 is disposed on a side of the fan bracket 41 close to the heat sink 30.

In the present embodiment, the fan 42 is located below the fan bracket 41, and the fan bracket 41 is provided with a first air duct 411 and a second air duct 412. Specifically, the first air duct 411 is disposed corresponding to the heat sink 30 and located inside the first wind shielding portion 50, and the second air duct 412 is located outside the first wind shielding portion 50. The first air duct 411 is disposed corresponding to the heat sink 30, and the cold air flow can be blown to the heat sink 30 through the first air duct 411 to cool the heat sink 30. The second air duct 412 is disposed outside the first wind blocking portion 50, and the cold air flow can be blown to the power board 20 through the second air duct 412, so as to cool other components on the power board 20. In this embodiment, the first air duct 411 is disposed in the middle of the fan bracket 41, two second air ducts 412 are disposed on the fan bracket 41, and the second air ducts 412 are disposed in one-to-one correspondence with the first wind shielding portions 50. In other embodiments, a plurality of first air ducts 411 and a plurality of second air ducts 412 may be provided to improve the cooling effect.

In the present embodiment, the heat sink 30 includes a main body 31 and heat dissipation teeth 32, one side of the main body 31 is a heat dissipation surface 33, the heat dissipation teeth 32 are disposed on the other side of the main body 31, and the heat dissipation surface 33 of the heat sink 30 is perpendicular to the power board 20, so that the heat dissipation surface 33 of the heat sink 30 can block the hot air flow by using the structure of the heat sink 30 itself. Specifically, the extending direction of the heat dissipation teeth 32 is perpendicular to the power board 20, and when the fan 42 blows the cold airflow to the heat dissipation plate 30, the hot airflow formed after heat exchange with the heat dissipation plate 30 is discharged from one side of the heat dissipation plate along the tooth grooves between the plurality of heat dissipation teeth 32, so that the hot airflow can be prevented from being collected in the heat dissipation plate 30. In other embodiments, the extending direction of the heat dissipation teeth 32 may be set to be parallel to the power supply board 20. In the present embodiment, the IGBT is disposed on the heat dissipation surface 33.

As shown in fig. 6 to 8, another embodiment of the present invention provides a cooking appliance, which includes a pot body assembly 100, a top cover assembly 110, a base 120 and a power board assembly 130, wherein the power board assembly 130 is the above-mentioned power board assembly. Wherein, the upper cover assembly 110 and the power board assembly 130 are both arranged on the pot body assembly 100, and the base 120 is connected with the pot body assembly 100. In the present embodiment, the base 120 is provided with heat dissipation holes, and the heat dissipation holes are disposed corresponding to the heat dissipation plate 30. By adopting the structure, the hot air flow formed by heat exchange with the radiating fins 30 can be discharged to the outer side of the device through the radiating holes, so that the hot air flow is prevented from being gathered in the device. Wherein, the cooking utensil comprises an electric pressure cooker and an electric cooker.

In the apparatus provided in this embodiment, one end of the cold air duct 70 is communicated with the compartment 13, and the other end of the cold air duct 70 is disposed corresponding to the fan assembly 40, so that the fan assembly 40 can blow the cold air flow into the compartment 13 through the cold air duct 70, thereby dissipating heat and cooling the power board 20. In addition, by disposing the second air duct 412 outside the first wind blocking portion 50, the cold air flow can be blown to the power board 20 through the second air duct 412, so as to cool other components on the power board 20.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A power strip assembly, the power strip assembly comprising:

a power panel support (10);

the power panel (20) is arranged on one side of the power panel bracket (10), and a separation cavity (13) is formed between the power panel (20) and the power panel bracket (10);

a fan assembly (40) disposed on the power strip support (10);

one end of the cold air channel (70) is communicated with the separation cavity (13), and the other end of the cold air channel (70) is arranged corresponding to the fan assembly (40).

2. A power strip assembly according to claim 1, wherein a rib is provided between the power strip (20) and the power strip holder (10) to form the compartment (13) by the rib.

3. The power strip assembly of claim 2, wherein the ribs comprise at least two first supporting ribs (11), the at least two first supporting ribs (11) are arranged on the power strip support (10) at intervals, each first supporting rib (11) extends along a vertical direction, and the at least two first supporting ribs (11), the power strip (20) and the power strip support (10) cooperate to form the cold air channel (70).

4. The power panel assembly according to claim 3, wherein the power panel bracket (10) is further provided with a second support rib (12), the second support rib (12) is arranged along a horizontal direction, the first support rib (11) is connected with the second support rib (12), and the second support rib (12) is provided with a notch (121).

5. The power board assembly according to claim 4, wherein the second support rib (12) is provided with a plurality of notches (121) at intervals.

6. The power strip assembly of claim 1, further comprising a heat sink (30), wherein the heat sink (30) is disposed on a side of the power strip (20) away from the power strip support (10), and further comprising a second wind blocking portion (60), wherein the second wind blocking portion (60) is disposed on the power strip support (10), and the second wind blocking portion (60) is disposed corresponding to the heat sink (30), and a projection of the heat sink (30) on the power strip support (10) at least partially coincides with the second wind blocking portion (60).

7. The power strip assembly of claim 6, wherein said second wind blocking portion (60) has an upper end and a lower end disposed opposite to each other, and a bottom portion of said heat sink (30) is higher than a lower end of said second wind blocking portion (60).

8. A power strip assembly according to claim 6, wherein a rib is provided between the power strip (20) and the power strip holder (10) to form the compartment (13) by the rib, the rib being located on the second wind blocking portion (60).

9. The power strip assembly of claim 1, further comprising a heat sink (30), the heat sink (30) being disposed below the power strip (20), the power strip assembly further comprising:

a first wind blocking portion (50), the first wind blocking portion (50) blocking the airflow passing through the side wall of the heat sink (30) from flowing toward the power board (20).

10. A power strip assembly according to claim 9, wherein the first wind blocking portion (50) comprises a wind blocking plate (51), the wind blocking plate (51) extends along the height direction of the heat sink (30), the wind blocking plate (51) has an upper end and a lower end which are oppositely arranged, the lower end of the wind blocking plate (51) is spaced from the side wall of the heat sink (30), and the projection of the wind blocking plate (51) in the vertical direction at least partially coincides with the heat sink (30).

11. The power strip assembly of claim 9, wherein the fan assembly (40) comprises a fan bracket (41) and a fan (42), the fan (42) is disposed on the fan bracket (41), the fan bracket (41) is disposed on the power strip bracket (10), and the first wind blocking portion (50) is disposed on the fan bracket (41).

12. The power strip assembly of claim 11, wherein the fan (42) is located below the fan bracket (41), the fan bracket (41) is provided with a first air duct (411) and a second air duct (412), the first air duct (411) is disposed corresponding to the heat sink (30) and located inside the first wind shielding portion (50), and the second air duct (412) is located outside the first wind shielding portion (50).

13. A cooking appliance, characterized in that it comprises:

a pot body assembly (100);

an upper cover assembly (110) provided on the pot body assembly (100);

the base (120) is connected with the cooker body assembly (100), and heat dissipation holes are formed in the base (120);

a power board assembly (130) disposed on the pot body assembly (100), the power board assembly (130) being the power board assembly of any one of claims 1 to 12.

Images