A body heat dissipation structure of an electric rice cooker

Abstract

The utility model discloses a kind of body heat dissipation structures of electric rice cooker, including base, inner container and heat dissipation component, base is provided with inner cavity, inner cavity is provided with inner cover body, inner cover body will The inner cavity is divided into heat dissipation cavity and heating cavity located at the inside of heat dissipation cavity, heat dissipation cavity bottom is provided with the air inlet and air outlet for communicating with outside, inner container is detachably installed in the heating cavity, heat dissipation component includes wind scooper, heat dissipation motor and heat dissipation fan, wind scooper is set below the heating cavity and is fixedly connected with the inner wall of heat dissipation cavity, the body heat dissipation structure of this electric rice cooker is by setting wind scooper below heating cavity, and heat dissipation fan is set at the central position of wind scooper, so that when heat dissipation fan works, external air can be evenly pushed to wind scooper, then by wind scooper flow to the outer wall of heating cavity, to evenly take away heating cavity dissipation heat, realize the rapid cooling of electric rice cooker.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, specifically to a heat dissipation structure for the body of a rice cooker. Background Technology

[0002] An electric rice cooker is a modern cooking appliance capable of steaming, boiling, stewing, simmering, and braising. It not only cooks food but also keeps it warm. It is clean, hygienic, and pollution-free to use, saving time and effort, making it an indispensable tool for modern household chores.

[0003] Traditional rice cookers have an outer pot with a shell. When working, the heating element generates heat to heat the inner pot. During this process, some of the heat may be transferred to the outer shell of the rice cooker, causing the surface of the rice cooker to heat up, which can easily burn the user. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, the purpose of this utility model is to invent a heat dissipation structure for the rice cooker that can quickly remove heat loss to the outer shell of the rice cooker and prevent it from scalding the user.

[0005] The present invention adopts the following technical solution:

[0006] A heat dissipation structure for the body of a rice cooker, comprising:

[0007] The base has an inner cavity, and an inner cover is provided inside the inner cavity. The inner cover divides the inner cavity into a heat dissipation cavity and a heating cavity located inside the heat dissipation cavity. The bottom of the heat dissipation cavity has an air inlet and an air outlet that communicate with the outside.

[0008] The inner liner is detachably installed inside the heating chamber, and the inner chamber is provided with a processing chamber with an upper opening;

[0009] A heating assembly is disposed within the heating chamber and located below the inner liner to facilitate heating the inner liner;

[0010] A heat dissipation assembly is disposed within the heat dissipation cavity. The heat dissipation assembly includes an air guide shroud, a heat dissipation motor, and a heat dissipation fan. The air guide shroud is disposed below the heating cavity and fixedly connected to the inner wall of the heat dissipation cavity. The air guide shroud is coaxially arranged with the heating cavity. The opening of the air guide shroud faces the heating cavity, and the diameter of the opening of the air guide shroud is larger than the diameter of the heating cavity. A first opening is provided at the center of the air guide shroud. The heat dissipation motor is located below the first opening. The heat dissipation fan is disposed at the first opening and fixedly connected to the power end of the heat dissipation motor. The heat dissipation motor is adapted to drive the heat dissipation fan to rotate. The heat dissipation fan is adapted to guide air from the air inlet to the guide shroud when rotating. The guide shroud is adapted to guide the intake air so that the air moves along the surface of the heating cavity.

[0011] Furthermore, the heat dissipation assembly also includes a ring-shaped guide plate, which is sleeved outside the heating cavity and located above the guide cover. The outer side of the guide plate is fixed to the inner wall of the heat dissipation cavity. The side of the guide plate facing the guide cover is provided with an inclined surface, which slopes from the outer wall of the heating cavity toward the inner wall of the heat dissipation cavity. The inclined surface is adapted to guide the air moving along the surface of the heating cavity so that the air moves downward along the inner wall of the heat dissipation cavity and is discharged through the air outlet.

[0012] Furthermore, the air guide shroud includes a base plate disposed below the heating chamber, a connecting plate extending upward from the edge of the base plate and bent outward to form a cover plate, and a cover plate extending upward from the end of the connecting plate. The base plate, the connecting plate, and the cover plate cooperate with the outer wall of the heating chamber to form a heat dissipation channel. The inlet of the heat dissipation channel communicates with the first opening, and the outlet of the heat dissipation channel faces the guide plate.

[0013] Furthermore, it also includes a barrier component disposed within the heat dissipation cavity and located below the air guide shroud. The barrier component includes a surrounding plate, a partition plate, a cover plate, and two filter plates. The surrounding plate is fixedly connected to the bottom wall of the heat dissipation cavity, and the cover plate is placed on top of the surrounding plate. The surrounding plate, the cover plate, and the bottom wall of the heat dissipation cavity cooperate to form a cavity. The partition plate is disposed within the cavity and divides the cavity into an independent air inlet cavity and an air outlet cavity. The air inlet is connected to the air inlet cavity, and the air outlet is connected to the air outlet cavity. The two filter plates are respectively installed in the air inlet cavity and the air outlet cavity. The filter plates are adapted to prevent foreign objects from entering the heat dissipation cavity through the air outlet or the air inlet.

[0014] The bottom end of the air guide shroud is fixedly connected to the cover plate. A second opening is provided on the cover plate at the position corresponding to the first opening. The second opening is connected to the air inlet cavity. The cooling motor is disposed in the air inlet cavity. The drive end of the cooling motor passes through the second opening and the first opening in sequence and is fixedly connected to the cooling fan. A third opening is provided on the side of the enclosure to connect the air outlet cavity and the cooling cavity.

[0015] Furthermore, the cooling fan includes a fixed plate, a fixed ring, and multiple blades. The fixed plate is circular, and its center is fixedly connected to the drive end of the cooling motor. The fixed plate is coaxial with the first opening and the second opening. The fixed ring and multiple blades are disposed on the side of the fixed plate facing the cooling motor. The fixed ring is concentric with the fixed plate, and the multiple blades are arranged in a circular array with the center of the fixed plate as the center.

[0016] Furthermore, the blade includes a connecting portion and a blade portion, the blade portion being fixedly connected to the fixing ring via the connecting portion, and the height of the blade portion being higher than that of the connecting portion.

[0017] Furthermore, the distance from the connection point between the connecting part and the leaf part to the center of the fixed plate is equal to the radius of the second opening.

[0018] Furthermore, the distance from the end of the blade to the center of the fixed plate is equal to the radius of the first opening, the radius of the first opening is greater than the radius of the second opening, and a chamfer is provided on the inner side of the first opening.

[0019] Furthermore, it also includes a cover, one end of which is rotatably mounted on the base, and the cover is adapted to swing about its connection end with the base to block or open the upper opening.

[0020] Furthermore, the heating assembly includes a heating plate disposed below the inner liner, wherein the contact surface between the inner liner and the heating plate is a concave surface, and the contact surface between the heating plate and the inner liner is a convex surface adapted to the concave surface.

[0021] Beneficial effects:

[0022] This invention features an air guide shroud below the heating chamber, with a cooling fan positioned at the center of the shroud. This allows external air to be evenly pushed to the shroud during operation, and then guided to the outer wall of the heating chamber, thus uniformly carrying away the heat escaping from the heating chamber. Furthermore, because the diameter of the shroud opening is larger than the diameter of the heating chamber, and the opening faces the heating chamber, the air guided to the outer wall of the heating chamber moves rapidly parallel to the outer wall, quickly carrying away the heat escaping from the heating chamber and expelling the hot air from the outlet. This prevents heat from accumulating in the heat dissipation chamber, which could cause the rice cooker surface to overheat, scalding the user or damaging the electronic components within the rice cooker's heat dissipation structure. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the heat dissipation structure of the rice cooker body according to the present invention;

[0024] Figure 2 This is a cross-sectional view of the heat dissipation structure of the rice cooker according to the present invention;

[0025] Figure 3 This is a schematic diagram of the heat dissipation structure of the rice cooker body according to this utility model from another angle;

[0026] Figure 4 This is a schematic diagram of the heat dissipation structure of an electric rice cooker according to the present invention, without the cover.

[0027] Figure 5 This is a cross-sectional view of the heat dissipation structure of an electric rice cooker according to the present invention, excluding the lid;

[0028] Figure 6 This is a schematic diagram of the heat dissipation structure of a rice cooker according to the present invention, without the heat dissipation components.

[0029] Figure 7 for Figure 6 Enlarged view at point A in the middle;

[0030] Figure 8 This is a cross-sectional view of the heat dissipation structure of a rice cooker according to the present invention, excluding the heat dissipation components.

[0031] Figure 9 This is a schematic diagram of the heat dissipation structure and cooling fan of a rice cooker according to the present invention.

[0032] Figure label:

[0033] 10. Base; 101. Inner cover; 102. Heat dissipation cavity; 1021. Air inlet; 1022. Air outlet; 103. Heating cavity; 20. Inner liner; 30. Heat dissipation assembly; 301. Air guide cover; 3011. First opening; 3012. Base plate; 3013. Connecting plate; 3014. Cover plate; 302. Heat dissipation motor; 303. Heat dissipation fan; 3031. Fixing plate; 3032. Fixing ring; 3033. Blade; 30331. Connecting part; 30332. Blade part; 304. Guide plate; 3041. Inclined surface; 40. Barrier assembly; 401. Enclosure; 4011. Third opening; 402. Partition plate; 403. Cover plate; 4031. Second opening; 404. Filter plate; 50. Cover body; 60. Heating plate. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0035] In the description of this utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] like Figure 1-9 As shown, a heat dissipation structure for the body of a rice cooker includes,

[0039] The base 10 has an inner cavity, and an inner cover 101 is provided inside the inner cavity. The inner cover 101 divides the inner cavity into a heat dissipation cavity 102 and a heating cavity 103 located inside the heat dissipation cavity 102. The bottom of the heat dissipation cavity 102 has an air inlet 1021 and an air outlet 1022 that communicate with the outside.

[0040] The inner liner 20 is detachably installed inside the heating chamber 103, and the inner chamber is provided with a processing chamber with an upper opening;

[0041] A heating assembly is disposed within the heating chamber 103 and located below the inner liner 20 to facilitate heating of the inner liner 20;

[0042] A heat dissipation assembly 30 is disposed within the heat dissipation cavity 102. The heat dissipation assembly 30 includes an air guide shroud 301, a heat dissipation motor 302, and a heat dissipation fan 303. The air guide shroud 301 is disposed below the heating cavity 103 and fixedly connected to the inner wall of the heat dissipation cavity 102. The air guide shroud 301 is coaxially arranged with the heating cavity 103, with its opening facing the heating cavity 103. The diameter of the opening of the air guide shroud 301 is larger than the diameter of the heating cavity 103. A first opening 3011 is provided at the center position. The cooling motor 302 is located below the first opening 3011. The cooling fan 303 is located at the first opening 3011 and is fixedly connected to the power end of the cooling motor 302. The cooling motor 302 is adapted to drive the cooling fan 303 to rotate. The cooling fan 303 is adapted to guide air from the air inlet 1021 to the guide cover when rotating. The guide cover is adapted to guide the intake air so that the air moves along the surface of the heating chamber 103.

[0043] This invention places the air guide shroud 301 below the heating chamber 103 and the cooling fan 303 at the center of the air guide shroud 301. This allows external air to be evenly pushed to the air guide shroud 301 when the cooling fan 303 is working, and then guided by the air guide shroud 301 to the outer wall of the heating chamber 103 to evenly remove the heat emitted by the heating chamber 103. In addition, since the diameter of the opening of the air guide shroud 301 is larger than the diameter of the heating chamber 103, and the opening of the air guide shroud 301 faces the heating chamber 103, the air guided by the air guide shroud to the outer wall of the heating chamber 103 can move quickly parallel to the outer wall of the heating chamber 103. This allows the heat emitted by the heating chamber 103 to be quickly carried away and the hot air to be discharged from the air outlet 1022, so as to avoid heat accumulation in the heat dissipation chamber 102, which would cause the surface of the rice cooker to overheat, burn the user, or damage the electronic components inside the heat dissipation structure of the rice cooker.

[0044] Preferably, in order to enable the air entering the heat dissipation cavity 102 to flow along a fixed trajectory and thus quickly remove the heat dissipated from the heating cavity 103, in this embodiment, the heat dissipation assembly 30 further includes an annularly arranged guide plate 304. The guide plate 304 is sleeved on the outside of the heating cavity 103 and located above the guide cover. The outer side of the guide plate 304 is fixedly connected to the inner wall of the heat dissipation cavity 102. The side of the guide plate 304 facing the guide cover is provided with an inclined surface, which is inclined from the outer wall of the heating cavity 103 toward the inner wall of the heat dissipation cavity 102.

[0045] The air guide shroud 301 includes a base plate 3012 disposed below the heating chamber 103, a connecting plate 3013 extending upward from the edge of the base plate 3012 and bent outward, and a cover plate 3014 extending upward from the end of the connecting plate 3013. The base plate 3012, the connecting plate 3013 and the cover plate 3014 cooperate with the outer wall of the heating chamber 103 to form a heat dissipation channel. The inlet of the heat dissipation channel is connected to the first opening 3011, and the outlet of the heat dissipation channel faces the guide plate 304.

[0046] Specifically, in this embodiment, the outer wall of the heating cavity 103 includes a bottom wall of the heating cavity 103 located at the bottom of the heating cavity 103 and a side wall of the heating cavity 103 located on the side of the heating cavity 103.

[0047] With the above-described configuration, the air entering the heat dissipation cavity 102 can first flow through the bottom of the heating cavity 103 to carry away the heat dissipated from the bottom of the heating cavity 103, and then be ejected from the heat dissipation channel in a direction perpendicular to the side wall of the heating cavity 103 to carry away the heat dissipated from the side wall of the heating cavity 103, until it contacts the inclined surface of the guide plate 304 facing the guide cover, and after being guided by the inclined surface, it moves downward toward the inner wall of the heat dissipation cavity 102 until it contacts the bottom wall of the heat dissipation cavity 102 and is discharged from the air outlet 1022 opened on the bottom wall of the heat dissipation cavity 102.

[0048] Furthermore, to prevent the air entering and exiting the heat dissipation cavity 102 from disturbing each other and affecting the heat dissipation effect, this embodiment also includes a barrier component 40. The barrier component 40 is disposed inside the heat dissipation cavity 102 and located below the air guide shroud 301. The barrier component 40 includes a surrounding plate 401, a partition plate 402, a cover plate 403, and two filter plates 404. The surrounding plate 401 is fixedly connected to the bottom wall of the heat dissipation cavity 102, and the cover plate 403 covers the surrounding plate 401. 1. The cover plate 403 cooperates with the bottom wall of the heat dissipation cavity 102 to form a cavity. The partition plate 402 is disposed in the cavity and divides the cavity into an independent air inlet cavity and an air outlet cavity. The air inlet 1021 is connected to the air inlet cavity, and the air outlet 1022 is connected to the air outlet cavity. The two filter plates 404 are respectively installed in the air inlet cavity and the air outlet cavity. The filter plates 404 are adapted to prevent foreign objects from entering the heat dissipation cavity 102 through the air outlet 1022 or the air inlet 1021.

[0049] The bottom end of the air guide shroud 301 is fixedly connected to the cover plate 403. The cover plate 403 has a second opening 4031 at the position corresponding to the first opening 3011. The second opening 4031 communicates with the air inlet cavity. The cooling motor 302 is disposed in the air inlet cavity. The drive end of the cooling motor 302 passes through the second opening 4031 and the first opening 3011 in sequence and is fixedly connected to the cooling fan 303. The side of the enclosure plate 401 has a third opening 4011 that communicates with the air outlet cavity and the cooling cavity 102.

[0050] This configuration isolates the air inlet 1021 and outlet 1022 of the heat dissipation cavity 102 from each other, allowing air to flow along a fixed trajectory within the heat dissipation cavity 102 without interfering with each other. Turbulence within the heat dissipation cavity 102 can affect the heat dissipation effect. At the same time, the filter plate 404 can effectively prevent foreign objects from entering the heat dissipation cavity 102.

[0051] Preferably, to ensure that the drawn-in air flows evenly towards the guide shroud, in this embodiment, the cooling fan 303 includes a fixing plate 3031, a fixing ring 3032, and a plurality of blades 3033. The fixing plate 3031 is circular, and its center is fixedly connected to the drive end of the cooling motor 302. The fixing plate 3031 is coaxially arranged with the first opening 3011 and the second opening 4031. The fixing ring 3032 and the plurality of blades 3033 are arranged on the side of the fixing plate 3031 facing the cooling motor 302. The fixing ring 3032 is concentric with the fixing plate 3031, and the plurality of blades 3033 are arranged in a circular array with the center of the fixing plate 3031 as the center.

[0052] Furthermore, to facilitate rapid air intake, in this embodiment, the blade 3033 includes a connecting portion 30331 and a blade portion 30332. The blade portion 30332 is fixedly connected to the fixing ring 3032 through the connecting portion 30331, and the height of the blade portion 30332 is higher than that of the connecting portion 30331. With this arrangement, when the cooling fan 303 is working, a negative pressure zone can be formed in the blade portion 30332, i.e., the inner ring of the cooling fan 303, thereby increasing the air intake volume of the inner ring of the cooling fan 303, and thus increasing the airflow from the blade portion 30332, thereby improving the heat dissipation effect.

[0053] Furthermore, since the blade 30332 generates backflow when rotating, the backflowing air will come into contact with the air drawn in by the connecting part 30331, forming turbulence, which will affect the air intake of the second opening 4031. To avoid this problem, in this embodiment, the distance from the connection point of the connecting part 30331 and the blade 30332 to the center of the fixed plate 3031 is equal to the radius of the second opening 4031, so that the cover plate 403 and the baffle plate can guide the airflow, thereby reducing the amount of air backflow and the air outlet resistance, and improving the air outlet effect.

[0054] Meanwhile, the distance from the end of the blade 30332 to the center of the fixing plate 3031 is equal to the radius of the first opening 3011. The radius of the first opening 3011 is greater than the radius of the second opening 4031. The inner side of the first opening 3011 is chamfered to facilitate the rapid guidance of air to the air guide shroud 301 when the cooling fan 303 is working.

[0055] Preferably, in order to facilitate the sealing of the inner pot 20 during operation, the heat dissipation structure of the rice cooker body is also provided with a cover 50 in this embodiment. One end of the cover 50 is rotatably mounted on the base 10, and the cover 50 is adapted to swing around its connection end with the base 10 to block or open the upper opening.

[0056] Specifically, in order to quickly heat the inner liner 20, in this embodiment, the heating component includes a heating plate 60 disposed below the inner liner 20. The contact surface between the inner liner 20 and the heating plate 60 is a concave surface, and the contact surface between the heating plate 60 and the inner liner 20 is a convex surface adapted to the concave surface, so as to improve the heating efficiency of the inner liner 20 by increasing the heated area of ​​the inner liner 20.

[0057] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A heat dissipation structure for the body of an electric rice cooker, characterized in that: include, The base has an inner cavity, and an inner cover is provided inside the inner cavity. The inner cover divides the inner cavity into a heat dissipation cavity and a heating cavity located inside the heat dissipation cavity. The bottom of the heat dissipation cavity has an air inlet and an air outlet that communicate with the outside. The inner liner is detachably installed inside the heating chamber, and the inner chamber is provided with a processing chamber with an upper opening; A heating assembly is disposed within the heating chamber and located below the inner liner to facilitate heating of the inner liner; A heat dissipation assembly is disposed within the heat dissipation cavity. The heat dissipation assembly includes an air guide shroud, a heat dissipation motor, and a heat dissipation fan. The air guide shroud is disposed below the heating cavity and fixedly connected to the inner wall of the heat dissipation cavity. The air guide shroud is coaxially arranged with the heating cavity. The opening of the air guide shroud faces the heating cavity, and the diameter of the opening of the air guide shroud is larger than the diameter of the heating cavity. A first opening is provided at the center of the air guide shroud. The heat dissipation motor is located below the first opening. The heat dissipation fan is disposed at the first opening and fixedly connected to the power end of the heat dissipation motor. The heat dissipation motor is adapted to drive the heat dissipation fan to rotate. The heat dissipation fan is adapted to guide air from the air inlet to the guide shroud when rotating. The guide shroud is adapted to guide the intake air so that the air moves along the surface of the heating cavity.

2. The heat dissipation structure of the rice cooker body according to claim 1, characterized in that: The heat dissipation assembly also includes a ring-shaped guide plate, which is sleeved outside the heating cavity and located above the guide cover. The outer side of the guide plate is fixed to the inner wall of the heat dissipation cavity. The side of the guide plate facing the guide cover is provided with an inclined surface, which is inclined from the outer wall of the heating cavity toward the inner wall of the heat dissipation cavity. The inclined surface is adapted to guide the air moving along the surface of the heating cavity so that the air moves downward along the inner wall of the heat dissipation cavity and is discharged through the air outlet.

3. The heat dissipation structure of the rice cooker body according to claim 2, characterized in that: The air guide shroud includes a base plate disposed below the heating chamber, a connecting plate extending upward from the edge of the base plate and bending outward, and a cover plate extending upward from the end of the connecting plate. The base plate, the connecting plate, and the cover plate cooperate with the outer wall of the heating chamber to form a heat dissipation channel. The inlet of the heat dissipation channel communicates with the first opening, and the outlet of the heat dissipation channel faces the guide plate.

4. The heat dissipation structure of the rice cooker body according to claim 1, characterized in that: It also includes a barrier component, which is disposed within the heat dissipation cavity and located below the air guide shroud. The barrier component includes a surrounding plate, a partition plate, a cover plate, and two filter plates. The surrounding plate is fixedly connected to the bottom wall of the heat dissipation cavity, and the cover plate is placed on top of the surrounding plate. The surrounding plate, the cover plate, and the bottom wall of the heat dissipation cavity cooperate to form a cavity. The partition plate is disposed within the cavity and divides the cavity into an independent air inlet cavity and an air outlet cavity. The air inlet is connected to the air inlet cavity, and the air outlet is connected to the air outlet cavity. The two filter plates are respectively installed in the air inlet cavity and the air outlet cavity. The filter plates are adapted to prevent foreign objects from entering the heat dissipation cavity through the air outlet or the air inlet. The bottom end of the air guide shroud is fixedly connected to the cover plate. A second opening is provided on the cover plate at the position corresponding to the first opening. The second opening is connected to the air inlet cavity. The cooling motor is disposed in the air inlet cavity. The drive end of the cooling motor passes through the second opening and the first opening in sequence and is fixedly connected to the cooling fan. A third opening is provided on the side of the enclosure to connect the air outlet cavity and the cooling cavity.

5. The heat dissipation structure of the rice cooker body according to claim 1, characterized in that: The cooling fan includes a fixed plate, a fixed ring, and multiple blades. The fixed plate is circular, and its center is fixed to the drive end of the cooling motor. The fixed plate is coaxial with the first opening and the second opening. The fixed ring and multiple blades are disposed on the side of the fixed plate facing the cooling motor. The fixed ring is concentric with the fixed plate, and the multiple blades are arranged in a circular array with the center of the fixed plate as the center.

6. The heat dissipation structure of the rice cooker body according to claim 5, characterized in that: The blade includes a connecting part and a blade part. The blade part is fixedly connected to the fixing ring through the connecting part, and the height of the blade part is higher than that of the connecting part.

7. The heat dissipation structure of the rice cooker body according to claim 6, characterized in that: The distance from the connection point between the connecting part and the leaf part to the center of the fixed plate is equal to the radius of the second opening.

8. The heat dissipation structure of the rice cooker body according to claim 6, characterized in that: The distance from the end of the leaf to the center of the fixed plate is equal to the radius of the first opening. The radius of the first opening is greater than the radius of the second opening. The inner side of the first opening is chamfered.

9. The heat dissipation structure of the rice cooker body according to claim 1, characterized in that: It also includes a cover, one end of which is rotatably mounted on the base, and the cover is adapted to swing about its connection end with the base to block or open the upper opening.

10. The heat dissipation structure of the rice cooker body according to claim 1, characterized in that: The heating assembly includes a heating plate disposed below the inner liner, wherein the contact surface between the inner liner and the heating plate is concave, and the contact surface between the heating plate and the inner liner is a convex surface adapted to the concave surface.

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