Noise reduction electric stewpot

Abstract

The utility model discloses a noise reduction electric stewpot which comprises an outer pot with a water storage cavity and an inner pot arranged in the water storage cavity, and further comprises a water separation piece, the water separation piece is located below the inner pot, and the water separation piece divides the water storage cavity into a lower water area located on the lower side of the water separation piece and an upper water area located on the upper side of the water separation piece; the inner pot is supported on the opening edge of the outer pot or the side wall of the water storage cavity, a flowing gap is formed between the inner pot and the water separation piece, an overflowing opening is formed in the center of the water separation piece, and an overflowing gap is formed between the periphery of the water separation piece and the inner wall of the water storage cavity; the heating device is located on the lower side of the water separation piece so that water in the upper water area and the lower water area can circularly flow through the overflowing gap and the overflowing opening. Water in the upper water area and the lower water area forms regular circulating water flow above and below the water separation piece, formed convection is violent and orderly, noise generated by irregular rolling of boiling water is reduced, bubbles in water are extruded and torn in the water flow flowing process, and then the overall noise is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen appliances, and particularly relates to a noise-reducing electric stew pot. Background Art

[0002] Steaming in water is a cooking method in which raw materials are placed in a container, covered, and then the container is placed in a pot filled with water and heated with a low fire for a long time to cook the raw materials. The cooking method of steaming in water can keep the original color of the dishes, the soup is clear, the soup is delicious, and the meat is tender and rotten, so it is more and more popular among cooks. Based on this, the water-separated stew pot has gradually become one of the most popular cooking utensils.

[0003] During the cooking process of the water-separated stew pot, the water in the outer pot boils when heated, generating relatively large noise. Part of the noise source comes from the collision and breakage of bubbles in the water. Especially, the rupture of large bubbles produces relatively large sounds. Another part comes from the irregular rolling of the water itself when boiling, causing the water to collide with itself and the pot body and the inner liner to generate noise. During the use process, users can clearly hear the sounds coming from the pot, and the use experience is not good.

[0004] In response to this, Chinese Patent CN204561811U discloses an electric stew pot, which includes a bubble-breaking component located between a heating plate and an inner pot. A fan blade is arranged on the lower side of the bubble-breaking component. When the water below the bubble-breaking component is heated by the heating plate to generate bubbles, the bubble-breaking component can rotate under the extrusion force of the bubbles, so as to use the fan blade to decompose the bubbles or inhibit the increase of the bubbles, and then make the smaller bubbles float to the water surface, slowing down the phenomenon of noise generated by the extrusion of large bubbles, so as to achieve the purpose of reducing noise. It can be seen from this that the noise reduction method of this solution is to squeeze the bubbles in the water through the movement of the bubble-breaking component to break the large bubbles into small bubbles, thereby alleviating the noise generated by the bubble rupture. However, the fan blade can only temporarily decompose or inhibit the increase of bubbles. During the heating process, the water layers at different water temperatures will undergo convection, so ultimately there is still a heat flow that pushes the bubbles to concentrate and surge to the water surface from a certain place, and it is impossible to solve the problem of noise generated by the concentrated upwelling of bubbles caused by the irregular convection of the heated water.

[0005] In addition, Chinese Patent CN107660999A discloses a slow cooker, which is provided with a partition between the heating element and the stewing core, and a plurality of diversion channels are defined on the lower plate surface of the partition to effectively guide the bubbles generated by the heating of the heating element to spread from the middle of the partition to its edge, that is, to specify the flow direction of the generated bubbles. This not only accelerates the diffusion of the bubbles, avoids the noise caused by the bursting of a large number of bubbles accumulating at the bottom of the stewing core, but also avoids the overflow of the bubbles and water to the outside of the slow cooker due to the irregular diffusion of the bubbles. Therefore, this solution guides the bubbles in the water through the partition to quickly spread to the outside of the stewing core, thereby reducing the noise generated by the collision of the bubbles with the stewing core. This solution still guides the bubbles to both sides, so there is a problem of concentrated upward flow of bubbles caused by irregular convection. Although there are holes in the middle, the retaining ribs of the holes abut against the heating plate, and the stewing core is also placed on the partition, making the water in the upper and lower regions of the partition unable to effectively convect. Specifically, the water in the lower space of the stewing core cannot obtain the low-temperature water in the outer space, and the water in the middle cannot flow back to the high-temperature heating area of the heating plate. The former causes irregular convection on the periphery, resulting in the easy concentration and upward flow of bubbles at a certain place on the periphery, and the latter causes the ineffective convection of the water in the lower side of the stewing core.

[0006] Furthermore, Chinese Patent CN105816005A discloses a cooking appliance, which is provided with a bubble breaker between the base assembly and the inner pot assembly. The middle of the bubble breaker has a through hole, and an annular retaining rib extends downward along the inner edge of the through hole. The heating local space formed by the support ribs, the support plate and the annular retaining rib on the bubble breaker makes the bubbles concentrate and generate in the heating local space, and a large number of bubble breaking holes are provided to split the large-volume bubbles into small-volume bubbles after passing through the bubble breaking holes, thereby reducing the noise generated by the bursting of the bubbles. Although there is a through hole in the middle of the bubble breaker, the communication channels (the first bubble breaking hole and the second bubble breaking hole) on the outside of the support plate are located within the projection range of the heating local space and the heating plate. The high-temperature water and low-temperature water in the upper and lower layers are prone to convect up and down within the projection range and are also prone to irregular convection, unable to form a cycle, resulting in the concentrated upward flow of bubbles and generating noise.

[0007] In the above prior art, although the bubble breaking structure can temporarily decompose or inhibit bubbles, it cannot solve the problem of the orderly convection of high-temperature water and low-temperature water. In the above solutions, there are factors such as the blockage of the convection channel or too small temperature difference between the two sides, which make the water on the upper and lower sides of the bubble breaking structure unable to form a violent and orderly convection, and then lead to irregular convection of the water flow. The irregular convection of the water will intensify the generation and concentrated upward flow of bubbles, emitting a relatively large noise. Therefore, the noise reduction effect of the slow cooker in the prior art is not ideal, and users can still clearly hear the noise of the bursting of bubbles and the collision sound generated by the irregular convection of the water flow. Utility Model Content

[0008] The utility model provides a noise-reducing electric slow cooker to solve the problem that during the cooking process of a water-bath slow cooker, large bubbles in the water collide or burst to generate noise, and the irregular convective collision of water flow also generates noise, resulting in a relatively large overall noise of the water-bath slow cooker.

[0009] The technical solution adopted by the utility model is as follows:

[0010] A noise-reducing electric slow cooker includes an outer pot having a water storage cavity, and an inner pot placed inside the water storage cavity. It also includes a water separation member. The water separation member is arranged in the water storage cavity and below the inner pot. The water separation member divides the water storage cavity into a lower water area below the water separation member and an upper water area above the water separation member. The inner pot is supported on the rim of the outer pot or the side wall of the water storage cavity, so as to form a flow gap between the bottom of the inner pot and the water separation member. A flow-through port is arranged in the central area of the water separation member, and a flow-through gap is formed between the outer periphery of the water separation member and the inner wall of the water storage cavity. And a heating device is located below the water separation member for heating the water in the lower water area, so that the water in the upper water area and the lower water area circulates through the flow-through gap and the flow-through port.

[0011] The noise-reducing electric slow cooker of the utility model further has the following additional technical features:

[0012] The middle part on the upper side of the water separation member sinks to form an upper water collection area with the inner pot. The upper water area also includes an upper peripheral water area on the outer peripheral side of the water storage cavity. The water separation member gradually bends upward from the central area to the edge area, so as to form a first guiding surface on the lower side of the water separation member and a second guiding surface on the upper side of the water separation member. The water in the lower water area flows to the upper peripheral water area through the flow-through gap, and the water in the upper water collection area flows to the lower water area through the flow-through port.

[0013] The lower water area includes a lower heating cavity and a lower outer cavity. The bottom wall of the lower heating cavity sinks relative to the bottom wall of the lower outer cavity. The heating device is arranged in the lower heating cavity. The lower heating cavity is below the flow-through port and communicates with the flow-through port. The lower outer cavity surrounds the outer periphery of the lower heating cavity and communicates with the flow-through gap.

[0014] The flow-through port has a surrounding wall extending downward, and the surrounding wall extends into the lower heating cavity.

[0015] A flow guiding rib position is arranged on the side of the water separation member facing the upper water area. The flow guiding rib positions are multiple and are arranged at intervals along the circumferential direction of the water separation member to guide the water in the upper water area to flow along the circumferential direction of the water separation member.

[0016] The flow guiding rib position is recessed downward to form a flow guiding groove on the side of the water separation member facing the upper water area. The width of the flow guiding groove gradually increases from the groove bottom to the groove opening to form a flow guiding inclined surface on the side wall of the flow guiding groove.

[0017] The noise-reducing electric slow cooker further includes a noise-reducing cover disposed in the lower water area. The noise-reducing cover and the bottom wall of the water storage cavity cooperate to enclose a lower heating cavity. An outer lower cavity is formed on the outer side of the noise-reducing cover. The heating device is disposed in the lower heating cavity. The overflow port communicates with the lower heating cavity. The noise-reducing cover is provided with bubble-breaking holes that communicate the lower heating cavity and the outer lower cavity.

[0018] The noise-reducing cover is provided with an installation opening. The overflow port has a surrounding wall extending downward. The surrounding wall extends into the installation opening to cooperate and fix with the installation opening, and to communicate the overflow port with the lower heating cavity.

[0019] A partial area of the bottom wall of the water storage cavity bulges upward to form a water separation member; alternatively, the water separation member and the outer pot are of a split structure, and the water separation member is detachably fixed to the bottom wall of the water storage cavity.

[0020] The flow area of the overflow port is smaller than the flow area of the overflow gap.

[0021] Due to the adoption of the above technical solution, the beneficial effects obtained by the present utility model are as follows:

[0022] 1. By disposing the heating device below the water separation member, heating the water in the lower water area, and separating the upper and lower water areas through the water separation member, the upper water area and the lower water area are only communicated through the overflow port at the center of the water separation member and the overflow gap on the periphery of the water separation member. This not only ensures the communication between the upper and lower water areas and provides a convection channel for the convection of the upper and lower water flows, but also relatively reduces the number of communication ports between the upper and lower water areas, so that the water with a lower temperature in the upper water area and the water with a higher temperature in the lower water area will not undergo excessive mixing. This helps to maintain a relatively large temperature difference. Then, under the action of the temperature difference, the cold water will naturally flow downward, and the hot water will flow upward. Thus, the water in the upper and lower water areas will naturally undergo convection up and down the water separation member, forming a regular circulating water flow, making the originally chaotic water flow circulate uniformly along a regular path. Moreover, the convection only occurs at the overflow port and the filtering gap. The reduction in the number of communication ports provides a certain pressure for the water flow to pass through, thereby increasing the kinetic energy of the water flow when flowing up and down the water separation member, making the formed convection more intense and orderly. This not only reduces the noise generated by the irregular rolling or collision of the boiling water itself, but also makes the water flow regularly circulate to squeeze and tear the bubbles in the water during the process, prompting the bubbles to burst or be thrown out of the water surface, and thus greatly reducing the overall noise.

[0023] The setting of the flow gap between the water separation member and the inner pot enables the central area and the peripheral area of the upper water area to be unobstructed, and the water in the upper water area can freely flow between the central area and the edge area of the water separation member, thereby ensuring the flow efficiency of the water flow in the upper water area, ensuring the smoothness of the circulating water flow channel, and helping to form a strong circulating convection.

[0024] 2. As a preferred embodiment of the present utility model, the middle part of the upper side of the water isolation member sinks to form an upper water collection area between it and the inner pot. The upper water area also includes an upper peripheral water area located on the outer peripheral side of the water storage cavity. The water isolation member gradually bends upward from the central area to the edge area to form a first guiding surface on the lower side of the water isolation member and a second guiding surface on the upper side of the water isolation member. The water in the lower water area flows to the upper peripheral water area through the flow-through gap, and the water in the upper water collection area flows to the lower water area through the flow-through opening. The middle part of the water isolation member sinks to form the upper water collection area, making the bottom wall of the upper water collection area higher than the bottom wall of the upper peripheral water area. Thus, on the one hand, the water flow in the upper peripheral water area can flow naturally into the upper water collection area, and the relatively colder water in the upper water collection area can also flow downward more quickly, and then enter the lower water area through the flow-through opening, thereby accelerating the formation of the circulating water flow. The flow gap between the center of the water isolation member and the inner pot is large, and the flow gap between the edge and the inner pot is small, making the water volume in the upper water collection area larger and the water pressure also larger. Then, under the action of the water pressure of the water flow in the upper water collection area, it increases the difficulty of the hot water flow in the lower water area surging from the flow-through opening to the upper water area, but instead flows more to the outside and surges to the upper peripheral water area from the flow-through gap. In this way, the direction of the water flow is restricted, so that the relatively warmer water in the lower water area surges from the flow-through gap at the edge, and the relatively colder water in the upper water area flows downward from the flow-through opening in the center to complete the circulation. In addition, when the hot water in the lower water area enters the upper peripheral water area from the outer edge of the water isolation member and flows to the upper water collection area, it will first contact the arc section at the bottom edge of the inner pot. The wall thickness here of the inner pot is relatively thick, and the heat transfer efficiency is relatively low. Therefore, making the hot water contact here preferentially can improve the heating effect on the arc section, and further improve the overall heat uniformity of the inner pot. Moreover, the setting of the first guiding surface can improve the guiding effect on the water flow in the lower water area, making it flow to the flow-through gap on the outside along the first guiding surface, and the setting of the second guiding surface can accelerate the flow of the upper peripheral water area to the upper water collection area, thereby promoting the formation of the circulating convection.

[0025] 3. As a preferred embodiment of the present utility model, the lower water area includes a lower heating cavity and a lower outer cavity. The bottom wall of the lower heating cavity is sunken relative to the bottom wall of the lower outer cavity. The heating device is arranged in the lower heating cavity. The lower heating cavity is located below the overflow port and communicates with the overflow port. The lower outer cavity surrounds the outer periphery of the lower heating cavity and communicates with the overflow gap. The vertically arranged overflow port and the lower heating cavity, as well as the lower outer cavity located on the outer periphery of the lower heating cavity, with the heating device arranged in the lower heating cavity, directly heats the water in the lower heating cavity, which can quickly increase the water temperature in the lower heating cavity, and then form a large temperature difference with the water in the upper water area above. The sunken lower heating cavity reduces the position height, so that the water in the water storage cavity will enter the lower heating cavity under the action of gravity. Therefore, when the water volume in the water storage cavity is small, there will still be water in the lower heating cavity, ensuring that the heating device can always heat the water. While avoiding dry burning of the heating device, it also ensures that the water temperature in the lower heating cavity is always higher than the water temperature in other areas.

[0026] And setting the overflow port and the lower heating cavity vertically will make the temperature difference between the upper and lower sides of the overflow port larger than that at other positions, thus promoting the cold water in the upper water collection area to sink more easily into the lower water area. At this time, the lower heating cavity located below the overflow port will first receive the low-temperature water settling from the overflow port, and the water heated to a high temperature in the original lower heating cavity has an upward tendency. The low-temperature water settling from the overflow port is conducive to squeezing the high-temperature water in the lower heating cavity into the lower outer cavity on the outer periphery, thereby forming an effective circulating flow by utilizing the flow characteristics of high and low-temperature water, without the need to additionally set power components such as blades for driving the water flow.

[0027] 4. As a preferred embodiment of the present utility model, a flow guiding rib position is arranged on the side of the water separating member facing the upper water area. There are multiple flow guiding rib positions, which are arranged at intervals along the circumferential direction of the water separating member to guide the water in the upper water area to flow along the circumferential direction of the water separating member. The water in the upper water area can not only complete the circulating convection on both the upper and lower sides of the water separating member, but also, under the guiding action of the flow guiding rib positions on the upper side of the water separating member, flow along the circumferential direction to form a circumferential eddy current, so that the water in the upper water area forms a rotating eddy current in the circumferential direction while undergoing up and down convection, making the water flow circulate more regularly and violently, thereby further suppressing the generation of bubbles and the noise of the boiling water impact. The water flow in the upper water area changes from irregular convective collision to regular rotation, and the centrifugal force generated by the rotational flow makes the water flow in the upper water area tend to flow outward, thereby reducing the collision of the water flow against the inner pot and reducing the noise generated by the collision of the water flow against the inner pot. At the same time, it can also suppress the formation of bubbles and quickly throw the small bubbles in the water flow to the water surface in a timely manner, avoiding the aggregation of bubbles to form large bubbles, thereby achieving the purpose of reducing the noise generated by the rupture of large bubbles.

[0028] 5. As a preferred embodiment of the present utility model, the noise reduction cover is provided with an installation opening. The water passing opening has a surrounding wall extending downward, and the surrounding wall extends into the installation opening to cooperate and fix with the installation opening, and the water passing opening communicates with the lower heating cavity. Through the insertion and fixation of the surrounding wall and the installation opening, the water separating member and the noise reduction cover are assembled into a component, which can then be integrally installed into the water storage cavity or taken out from the water storage cavity, thereby reducing the installation and disassembly difficulty of each component, improving the installation and disassembly efficiency, and being more simple and convenient to use, enhancing the user experience. Description of the Drawings

[0029] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0030] Figure 1 is a cross-sectional view of an electric slow cooker under an embodiment of the present utility model;

[0031] Figure 2 is Figure 1 an enlarged view of area A in

[0032] Figure 3 is a cross-sectional view of an outer pot under an embodiment of the present utility model, where the arrow indicates the flow direction of the circulating water flow;

[0033] Figure 4 is a cross-sectional view of a water separating member under an embodiment of the present utility model;

[0034] Figure 5 is Figure 4 a structural schematic diagram of the water separating member in

[0035] Wherein:

[0036] 1 outer pot; 11 water storage cavity; 12 lower water area; 121 lower heating cavity; 122 lower outer cavity; 13 upper water area; 131 upper water collecting area; 132 upper peripheral water area;

[0037] 2 inner pot; 21 arc section; 22 flow gap;

[0038] 3 water separating member; 31 water passing opening; 32 water passing gap; 33 surrounding wall; 34 diversion groove; 341 diversion inclined surface; 35 first diversion surface; 36 second diversion surface;

[0039] 4 heating device;

[0040] 5 noise reduction cover; 51 bubble breaking hole; 52 installation opening. Detailed Embodiments

[0041] In order to more clearly illustrate the overall concept of the present utility model, the following will be described in detail by way of examples in conjunction with the accompanying drawings of the specification.

[0042] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Therefore, the scope of protection of the present utility model is not limited by the specific embodiments disclosed below.

[0043] In addition, in the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0044] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the descriptions referring to terms such as "embodiment", "example", "an embodiment", "example" or "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0046] Such as Figures 1 to 3As shown in the figure, a noise-reducing electric slow cooker includes an outer pot 1 having a water storage cavity 11, an inner pot 2 placed inside the water storage cavity 11, and a water separating member 3. The water separating member 3 is arranged in the water storage cavity 11 and below the inner pot 2. The water separating member 3 divides the water storage cavity 11 into a lower water area 12 below the water separating member 3 and an upper water area 13 above the water separating member 3. The inner pot 2 is supported on the rim of the outer pot 1 or the side wall of the water storage cavity 11, so that a flow gap 22 is formed between the bottom of the inner pot 2 and the water separating member 3. An overflow port 31 is provided in the central area of the water separating member 3, and an overflow gap 32 is formed between the outer periphery of the water separating member 3 and the inner wall of the water storage cavity 11. And a heating device 4 is located below the water separating member 3 for heating the water in the lower water area 12, so that the water in the upper water area 13 and the lower water area 12 circulates through the overflow gap 32 and the overflow port 31.

[0047] It can be understood that the electric slow cooker of the present utility model can realize the function of slow cooking with water separation. That is, during cooking, water is added to the water storage cavity 11, and then the inner pot 2 is placed inside the water storage cavity 11, so that the water in the water storage cavity 11 at least submerges the bottom wall of the inner pot 2. The water in the lower water area 12 of the water storage cavity 11 is directly heated by the heating device 4. After the water with a higher temperature in the lower water area 12 flows to the upper water area 13, it contacts the inner pot 2 and transfers the heat to the inner pot 2 to heat the food inside the inner pot 2.

[0048] It should be noted that in the present utility model, taking the heat transfer medium contained in the water storage cavity 11 as water as an example, the solution of the present utility model is described in detail. However, the present utility model does not limit the specific type of the heat transfer medium in the water storage cavity 11, and the technical terms of the present utility model do not constitute a limitation on the heat transfer medium, as long as it is a fluid and can transfer the heat of the heating device 4 to the inner pot 2.

[0049] The present utility model does not limit the setting position of the heating device 4. For example, as Figure 2 shown, the heating device 4 can be arranged inside the lower water area 12 to directly contact and heat the water in the lower water area 12, shortening the heat transfer path and improving the heat transfer efficiency. Of course, the heating device 4 can also be arranged outside the water storage cavity 11. For example, the heating device 4 is fixed on the outer side of the bottom wall of the water storage cavity 11 and contacts the bottom wall of the water storage cavity 11 for heat transfer, so that the heat of the heating device 4 is first transferred to the bottom wall of the water storage cavity 11, and then transferred to the water in the lower water area 12, which is not limited here.

[0050] It should be noted that the present utility model does not limit the number of the inner pots 2. It can be Figure 1 the one shown in , or the electric slow cooker can be equipped with multiple inner pots 2 to be able to stew multiple ingredients at the same time. Specifically, when multiple inner pots 2 are placed in the water storage cavity 11, the upward projection of the water separating member 3 covers each inner pot 2.

[0051] In the present utility model, the heating device 4 is arranged below the water separating member 3 to heat the water in the lower water area 12. The upper water area 13 and the lower water area 12 are separated by the water separating member 3. The upper water area 13 and the lower water area 12 are only communicated through the flow-through port 31 at the center of the water separating member 3 and the flow-through gap 32 on the peripheral side of the water separating member 3. This not only ensures the communication between the upper water area 13 and the lower water area 12 and provides a convection channel for the convection of the upper and lower water flows, but also relatively reduces the number of communication ports between the upper water area 13 and the lower water area 12, so that the water with a lower temperature in the upper water area 13 and the water with a higher temperature in the lower water area 12 will not mix excessively, which helps to maintain a large temperature difference. Then, under the action of the temperature difference, the cold water will naturally flow downward and the hot water will flow upward, so that the water in the upper water area 13 and the lower water area 12 will naturally convect up and down the water separating member 3, forming a regular circulating water flow, making the originally chaotic water flow circulate uniformly along a regular path, and the convection only occurs at the flow-through port 31 and the filtering gap. The reduction of the number of communication ports provides a certain pressure for the water flow to pass through, and then increases the kinetic energy of the water flow when flowing up and down the water separating member 3, making the formed convection more intense and orderly. This not only reduces the noise generated by the irregular rolling or collision of the boiling water itself, but also makes the water flow regularly circulate to squeeze and tear the bubbles in the water, prompting the bubbles to burst or be thrown out of the water surface, and thus greatly reducing the overall noise.

[0052] The setting of the flow gap 22 between the water separating member 3 and the inner pot 2 makes the central area and the peripheral area of the upper water area 13 unobstructed, and the water in the upper water area 13 can flow freely between the central area and the edge area of the water separating member 3, so as to ensure the flow efficiency of the water flow in the upper water area 13, ensure the smoothness of the circulating water flow channel, and help to form a strong circulating convection.

[0053] Due to the large temperature difference formed between the water in the upper water area 13 and the water in the lower water area 12, the characteristic that the water in the upper water area 13 and the water in the lower water area 12 naturally flow under the action of the temperature difference is used to form a circulating convection through the natural flow of the water flow. This also eliminates the need to additionally set driving structures such as blades for driving the water flow, not only simplifies the overall structure of the electric slow cooker, but also saves the cost of materials and electric control.

[0054] In addition, a support structure is arranged on the mouth edge of the outer pot 1 or the side wall of the water storage cavity 11. The support structure cooperates with the inner pot 2 to support the inner pot 2, so as to form a flow gap 22 between the bottom of the inner pot 2 and the water separating member 3.

[0055] In the present utility model, by providing a support structure at the rim of the outer pot 1 and the side wall of the water storage chamber 11 to support the inner pot 2, the bottom of the inner pot 2 is in a "suspended" state relative to the water separation member 3, and there is no contact between the two, so that the water flow in the upper water collection area 131 and the upper peripheral water area 132 can freely flow through the flow gap 22 therebetween, preventing the inner pot 2 from obstructing the water flow, ensuring the flow rate of the water flow in the upper water area 13, and accelerating the formation of circulating convection.

[0056] Preferably, the flow area of the flow port 31 is smaller than the flow area of the flow gap 32 to increase the difficulty of the water in the lower water area 12 surging upward through the flow port 31 and ensure the formation of an orderly and regular circulating water flow. Specifically, the flow area of the flow gap 32 refers to the sum of the areas of the flow gaps 32 formed in a circumferential circle of the water separation member 3, rather than the gap width between the edge of the water separation member 3 and the inner wall of the water storage chamber 11.

[0057] As a preferred embodiment of the present utility model, as Figure 1 、 Figure 2 shown, the middle part of the upper side of the water separation member 3 is sunken to form an upper water collection area 131 with the inner pot 2. The upper water area 13 further includes an upper peripheral water area 132 located on the outer peripheral side of the water storage chamber 11. The water separation member 3 gradually bends upward from the central area to the edge area to form a first guiding surface 35 on the lower side of the water separation member 3 and a second guiding surface 36 on the upper side of the water separation member 3. The water in the lower water area 12 flows to the upper peripheral water area 132 through the flow gap 32, and the water in the upper water collection area 131 flows to the lower water area 12 through the flow port 31.

[0058] The middle part of the water separation member 3 sinks to form an upper water collection area 131, such that the bottom wall of the upper water collection area 131 is higher than the bottom wall of the upper peripheral water area 132. Thus, on the one hand, the water flow in the upper peripheral water area 132 can naturally flow into the upper water collection area 131, and the relatively colder water in the upper water collection area 131 can also flow downward more quickly, and then enter the lower water area 12 through the water passing port 31, thereby accelerating the formation of the circulating water flow. The flow gap 22 between the center of the water separation member 3 and the inner pot 2 is large, and the flow gap 22 between the edge and the inner pot 2 is small, such that the water volume in the upper water collection area 131 is larger and the water pressure is also larger. Then, under the action of the water pressure of the water flow in the upper water collection area 131, the difficulty for the hot water flow in the lower water area 12 to surge upward from the water passing port 31 to the upper water area 13 is increased, and instead, it flows more toward the outside and surges upward to the upper peripheral water area 132 from the water passing gap 32. In this way, the direction of the water flow is restricted, such that the water with a higher temperature in the lower water area 12 surges upward from the water passing gap 32 at the edge, and the water with a lower temperature in the upper water area 13 flows downward from the water passing port 31 at the center to complete the circulation. In addition, when the hot water in the lower water area 12 enters the upper peripheral water area 132 from the outer edge of the water separation member 3 and flows toward the upper water collection area 131, it will first contact the arc section 21 at the bottom edge of the inner pot 2. The wall thickness of the inner pot 2 here is relatively thick, and the heat transfer efficiency is relatively low. Therefore, making the hot water contact here preferentially can improve the heating effect on the arc section 21, and further improve the overall even heating of the inner pot 2. Moreover, the setting of the first flow guiding surface 35 can improve the guiding effect on the water flow in the lower water area 12, such that it flows along the first flow guiding surface 35 toward the outside to the water passing gap 32, and the setting of the second flow guiding surface 36 can accelerate the flow of the upper peripheral water area 132 toward the upper water collection area 131, thereby promoting the formation of the circulating convection.

[0059] It should be noted that the water separation member 3 can be provided with a sunken middle part only on the upper side, such that the upper surface is a curved surface with a lower center and a higher outer periphery, and the lower surface is a flat surface or a curved surface with a higher center and a lower outer periphery. However, as a preferred embodiment of the present invention, the water separation member 3 is gradually bent and extended upward from the central region to the edge region as a whole, so as to form a first flow guiding surface 35 on the lower side of the water separation member 3 and a second flow guiding surface 36 on the upper side of the water separation member 3. The water in the lower water area 12 flows through the water passing gap 32 to the upper peripheral water area 132 via the first flow guiding surface 35, and the water in the upper peripheral water area 132 flows to the upper water collection area 131 via the second flow guiding surface 36 and flows to the lower water area 12 through the water passing port 31.

[0060] Since the water separation member 3 is bent upward from the center to the periphery as a whole, the upper and lower surfaces of the water separation member 3 are both curved surfaces with a lower center and a higher outer periphery, thereby being able to guide the water flows on both the upper and lower sides.

[0061] The center of the water-blocking member 3 is set to sink and gradually bend upward and extend, such that the flow gap 22 between the center of the water-blocking member 3 and the inner pot 2 is large, while the flow gap 22 between the edge of the water-blocking member 3 and the inner pot 2 is small. As a result, the amount of water in the upper water-collecting area 131 is larger and the water pressure is also greater. Then, under the action of the water pressure of the water flow in the upper water-collecting area 131, the difficulty for the hot water flow in the lower water area 12 to surge upward from the water passing port 31 to the upper water area 13 is increased, and instead, more water flows outward and surges upward to the upper peripheral water area 132 from the water passing gap 32. In this way, the direction of the water flow is restricted, enabling the relatively hot water in the lower water area 12 to surge upward from the water passing gap 32 at the edge, and the relatively cold water in the upper water area 13 to flow downward from the water passing port 31 at the center, thus completing the circulation.

[0062] In addition, when the hot water in the lower water area 12 enters the upper peripheral water area 132 from the outer edge of the water-blocking member 3 and flows toward the upper water-collecting area 131, it will first contact the arc section 21 at the bottom edge of the inner pot 2. The wall thickness of the inner pot 2 at this location is relatively thick, and the heat transfer efficiency is relatively low. Therefore, allowing the hot water to contact this location first can improve the heating effect on the arc section 21, and further improve the overall even heating of the inner pot 2. Moreover, the provision of the first water guiding surface 35 can improve the guiding effect on the water flow in the lower water area 12, causing it to flow outward along the first water guiding surface 35 to the water passing gap 32, while the provision of the second water guiding surface 36 can accelerate the flow of the upper peripheral water area 132 toward the upper water-collecting area 131, thereby promoting the formation of a circulating convection.

[0063] Preferably, as Figure 1 、 Figure 4 shown, both the first water guiding surface 35 and the second water guiding surface 36 are arc surfaces. Of course, the first water guiding surface 35 and the second water guiding surface 36 can also be inclined surfaces, or irregular curved surfaces, etc., as long as they can guide the water flow, and no limitation is made here.

[0064] In a specific embodiment, as Figure 1 shown, the outer periphery of the water-blocking member 3 cooperates with the inner wall of the outer pot 1 to form a complete water passing gap 32 around the water-blocking member 3, so that the water passing gap 32 surrounds the water-blocking member 3, thereby enabling the upper peripheral water area 132 and the lower water area 12 to communicate in various regions on the outer periphery of the water-blocking member 3. Furthermore, the overall flow direction of the water is along the radial direction of the water-blocking member 3 inward or outward, which helps to make the water in each region of the water storage cavity 11 be on the circulating flow path and flow in an ideal direction, forming an overall circulating flow in which all the water in the water storage cavity 11 participates, and making the water flow direction more regular and orderly.

[0065] In the above embodiments, an overflow gap 32 is formed by the assembly gap between the water separation member 3 and the inner wall of the water storage cavity 11. In another embodiment, the overflow gap 32 can also be formed on the water separation member 3. For example, by machining openings or notches on the outer peripheral edge of the water separation member 3 to form the overflow gap 32 for the water in the upper peripheral water area 132 and the lower water area 12 to flow through.

[0066] As a preferred embodiment of the present utility model, as Figure 1 , Figure 2 , Figure 3 shown, the lower water area 12 includes a lower heating cavity 121 and a lower outer cavity 122. The bottom wall of the lower heating cavity 121 is set to sink relative to the bottom wall of the lower outer cavity 122. The heating device 4 is arranged in the lower heating cavity 121. The lower heating cavity 121 is located below the overflow port 31 and communicates with the overflow port 31. The lower outer cavity 122 surrounds the outer periphery of the lower heating cavity 121 and communicates with the overflow gap 32.

[0067] The vertically arranged overflow port 31 and the lower heating cavity 121, and the lower outer cavity 122 located on the outer periphery of the lower heating cavity 121. The heating device 4 is arranged in the lower heating cavity 121 to directly heat the water in the lower heating cavity 121, which can quickly increase the water temperature in the lower heating cavity 121, and then form a large temperature difference with the water in the upper water area 13 above. The sunken lower heating cavity 121 reduces the position height, so that the water in the water storage cavity 11 will enter the lower heating cavity 121 under the action of gravity. Therefore, when the water volume in the water storage cavity 11 is small, there will still be water in the lower heating cavity 121, ensuring that the heating device 4 can always heat the water. While avoiding dry burning of the heating device 4, it also ensures that the water temperature in the lower heating cavity 121 is always higher than the water temperature in other areas.

[0068] And setting the overflow port 31 and the lower heating cavity 121 vertically will result in a larger temperature difference between the upper and lower sides of the overflow port 31 than other positions, which will further promote the cold water in the central area of the upper water area 13 to sink more easily into the lower water area 12. At this time, the lower heating cavity 121 located below the overflow port 31 will first receive the low-temperature water settling from the overflow port 31. And the water originally heated to a high temperature in the lower heating cavity 121 has an upward trend. The low-temperature water settling from the overflow port 31 is beneficial to squeezing the high-temperature water in the lower heating cavity 121 into the outer lower outer cavity 122, thereby forming an effective circulating flow by utilizing the flow characteristics of high and low-temperature water, without the need to additionally set power components such as blades for driving the water flow.

[0069] Preferably, as Figure 2 shown, the diameter of the overflow port 31 ( Figure 2 D1 in Figure 2 is smaller than the diameter of the lower heating cavity 121 (In D2), it is possible to reduce the mixing of the water flow in the lower heating chamber 121 and the upper water area 13, which is beneficial to forming a large temperature difference on the upper and lower sides of the overflow port 31. Furthermore, it is beneficial for the water with a lower temperature in the upper water area 13 to settle into the lower heating chamber 121 through the overflow port 31.

[0070] Specifically, as Figure 2 , Figure 3 shown, the bottom wall of the lower heating chamber 121 is provided with an opening, and the heating device 4 is arranged at the opening to form at least a part of the bottom wall of the lower heating chamber 121, so that the heating device 4 can be in direct contact with the water in the lower heating chamber 121 to heat it, thereby improving the heat transfer efficiency.

[0071] Specifically, the heating device 4 can be a PTC heater, a heating plate, etc., which is not limited herein.

[0072] Furthermore, as Figure 2 , Figure 3 shown, the overflow port 31 has a surrounding wall 33 extending downward, and the surrounding wall 33 extends into the lower heating chamber 121.

[0073] The surrounding wall 33 extending into the lower heating chamber 121 can not only improve the accuracy of the docking and positioning between the overflow port 31 and the lower heating chamber 121 and reduce the assembly difficulty, but also the surrounding wall 33 can play a guiding role in the water flow. Specifically, the water flow with a lower temperature in the upper water area 13 is guided by the surrounding wall 33 to flow downward at the overflow port 31. At the same time, restricted by the surrounding wall 33, the water flow always flows downward in the channel surrounded by the surrounding wall 33 and will not spread to the periphery. Thus, the downward-settling water flow can squeeze the water with a higher temperature originally in the lower heating chamber 121 to make it flow to the periphery. Furthermore, it helps to form a circulating convection in which the water in the lower water area 12 surges into the upper water area 13 through the overflow gap 32, and the water in the upper water area 13 settles into the lower water area 12 through the overflow port 31.

[0074] In a preferred embodiment, as Figure 2 , Figure 3As shown in the figure, the noise-reducing electric slow cooker further includes a noise-reducing cover 5 disposed in the lower water area 12. The noise-reducing cover 5 and the bottom wall of the water storage cavity 11 cooperate to enclose a lower heating cavity 121. An outer lower cavity 122 is formed on the outer side of the noise-reducing cover 5. The heating device 4 is disposed in the lower heating cavity 121. The overflow port 31 communicates with the lower heating cavity 121. The noise-reducing cover 5 is provided with bubble-breaking holes 51 that communicate the lower heating cavity 121 and the outer lower cavity 122. The heating device 4 is in the lower heating cavity 121 inside the noise-reducing cover 5, and centrally heats the water inside the lower heating cavity 121. The water in the lower heating cavity 121 boils violently, so it is easier to centrally generate bubbles in the lower heating cavity 121. When the water flow in the lower heating cavity 121 enters the outer lower cavity 122 through the bubble-breaking holes 51, it is squeezed by the bubble-breaking holes 51, which can disperse large-volume bubbles into multiple small-volume bubbles, thereby reducing the volume of the bubbles. The noise generated when small-volume bubbles break or collide is significantly lower than that of large-volume bubbles. Therefore, the noise generated when the bubbles break can be reduced. During the overall circulating flow of the water flow, the water in the lower heating cavity 121 first undergoes primary bubble-breaking through the bubble-breaking holes 51 of the noise-reducing cover 5 at the initial stage of the circulating flow, and then further undergoes bubble-breaking and forms convection during the further circulating flow. During the process of one circulating flow of the water flow, bubble-breaking is carried out through two methods successively, which can significantly reduce the noise generated by bubble-breaking and water flow collision.

[0075] Specifically, as Figure 2 shown, a partial area of the bottom wall of the outer pot 1 sinks, and the noise-reducing cover 5 and the sunken area cooperate to form a lower heating cavity 121. The top wall of the noise-reducing cover 5 is provided with an installation opening 52. The water-blocking member 3 is provided with a downward-extending enclosing wall 33 at the overflow port 31. The enclosing wall 33 and the installation opening 52 are inserted and fixed together, thereby assembling the water-blocking member 3 and the noise-reducing cover 5 into a component, which can then be integrally installed into the water storage cavity 11 or taken out of the water storage cavity 11, thus reducing the installation and disassembly difficulty of each component, improving the installation and disassembly efficiency, and being more simple and convenient to use, enhancing the user experience.

[0076] In one embodiment, a sealing member can be provided between the enclosing wall 33 and the installation opening 52, and the enclosing wall 33 is inserted into the installation opening 52 through interference fit to complete fixation and sealing. A clamping structure can also be provided on the enclosing wall 33, and the clamping structure is clamped and fixed with the edge of the installation opening 52, or other methods can be used to fix the enclosing wall 33 and the installation opening 52, such as screw connection, threaded connection, etc., which are not limited herein.

[0077] Preferably, as Figure 2 shown, the bubble-breaking holes 51 are opened on the top wall and / or the side wall of the noise-reducing cover 5. Among them, as Figure 2As shown, when the bubble-breaking holes 51 are formed in the top wall of the noise-reducing cover 5, they are located outside the enclosing wall 33, so that the water flow flowing from the lower heating chamber 121 to the lower outer chamber 122 and the water flow flowing from the upper water collecting area 131 to the lower heating chamber 121 are respectively on the inner and outer sides of the enclosing wall 33, and the two water flows are separated from each other to avoid mixing, thereby ensuring the integrity and unity of the flow direction of the circulating water flow, which is helpful for the formation of circulating convection.

[0078] In another preferred embodiment, the noise-reducing cover 5 may not be provided, and the water-blocking member 3 may be directly fixed to the bottom wall of the water storage chamber 11, which can also ensure a good noise reduction effect.

[0079] As a preferred embodiment of the present invention, as Figure 3 shown, a flow guiding rib position is provided on the side of the water-blocking member 3 facing the upper water area 13. The flow guiding rib positions are multiple and are arranged at intervals along the circumferential direction of the water-blocking member 3 to guide the water in the upper water area 13 to flow along the circumferential direction of the water-blocking member 3.

[0080] The water in the upper water area 13 can not only complete the circulating convection on the upper and lower sides of the water-blocking member 3, but also, under the guiding action of the flow guiding rib positions on the upper side of the water-blocking member 3, flow along the circumferential direction to form a circumferential eddy current, so that the water in the upper water area 13 forms a rotating eddy current in the circumferential direction while undergoing upward and downward convection, enabling the water flow to circulate more regularly and violently, thereby further suppressing the generation of bubbles and the noise caused by the impact of boiling water. The water flow in the upper water area 13 changes from irregular convective collision to regular rotation, and the centrifugal force generated by the rotational flow makes the water flow in the upper water area 13 tend to flow outward, thereby reducing the collision of the water flow against the inner pot 2 and reducing the noise generated by the collision of the water flow with the inner pot 2. At the same time, it can also suppress the formation of bubbles and quickly throw the small bubbles in the water flow to the water surface in a timely manner, preventing the bubbles from aggregating to form large bubbles, thereby achieving the purpose of reducing the noise generated by the rupture of large bubbles.

[0081] In addition, the formation of an eddy current in the upper water area 13 can also increase the contact time between the water in the upper water area 13 and the inner pot 2, improve the heat exchange effect between the water flow and the inner pot 2, improve the heat utilization rate, and improve the heating efficiency of the food inside the inner pot 2.

[0082] It should be noted that the structure of the flow guiding rib position is not limited in this embodiment. In one embodiment, the flow guiding rib position is a convex rib protruding toward the upper water area 13. Among them, the convex rib can extend along the radial direction of the water-blocking member 3, or along the circumferential direction of the water-blocking member 3, or bend around the center of the water-blocking member 3 and extend in a spiral shape to improve the guiding effect on the water flow in the upper water area 13.

[0083] As a preferred embodiment, as Figure 3 、 Figure 4 、 Figure 5As shown in the figure, the guiding rib is recessed downward to form a guiding groove 34 on one side of the water separation member 3 facing the upper water area 13. The width of the guiding groove 34 gradually increases from the groove bottom to the groove opening to form a guiding inclined surface 341 on the side wall of the guiding groove 34.

[0084] When the water in the upper water area 13 flows to the guiding groove 34 due to the downward depression of the guiding groove 34, it will enter the guiding groove 34 under the action of gravity, thereby accelerating the flow rate. Moreover, the side wall of the guiding groove 34 is a guiding inclined surface 341, enabling the water flow to quickly enter the guiding groove 34 along one side of the guiding inclined surface 341 and quickly flow out of the guiding groove 34 along the other side of the guiding inclined surface 341, and then continue to flow circumferentially along the upper surface of the water separation member 3, promoting the formation of a vortex.

[0085] Furthermore, as Figure 4 、 Figure 5 shown, the depth of the guiding groove 34 gradually increases radially outward along the water separation member 3 to further improve the guiding effect on the water flow on the outer peripheral side of the water separation member 3.

[0086] Specifically, as Figure 5 shown, there are multiple guiding grooves 34, which are evenly spaced along the circumferential direction of the water separation member 3.

[0087] Preferably, the upper side surface of the water separation member 3 is an arc surface with a lower center and a higher outer periphery. By jointly guiding the water flow in the upper water area 13 through the arc surface and the guiding inclined surface 341, the formation of a rotating vortex can be further accelerated, enabling the water in the upper water area 13 to flow more regularly, orderly, and strongly, thereby reducing the generation of bubbles and the noise generated by the collision of the water flow.

[0088] It should be noted that the present utility model does not limit the assembly method of the water separation member 3. It can be integrally formed with the outer pot 1. For example, a partial area of the bottom wall of the water storage cavity 11 bulges upward to form the water separation member 3. The water separation member 3 can also be an independent component relative to the outer pot 1 and the inner pot 2, which is separately processed and formed, and then assembled inside the water storage cavity 11 subsequently.

[0089] Preferably, as Figure 4 、 Figure 5 shown, the water separation member 3 is a disk-shaped structure made of a metal material and is detachably connected to the outer pot 1, so that the water separation member 3 can be removed and cleaned separately, avoiding the attachment of scale and other impurities on the surface of the water separation member 3 after long-term use, which affects its guiding effect.

[0090] In the present utility model, the parts not described can be realized by adopting or referring to the existing technologies.

[0091] Each embodiment in this specification is described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other. Each embodiment focuses on the differences from other embodiments.

[0092] The above description is only for the embodiments of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A noise-reducing electric slow cooker, comprising an outer pot having a water storage cavity and an inner pot placed inside the water storage cavity, characterized in that, It further includes: A water separation member, which is arranged in the water storage cavity and below the inner pot. The water separation member divides the water storage cavity into a lower water area below the water separation member and an upper water area above the water separation member. The inner pot is supported on the rim of the outer pot or the side wall of the water storage cavity, so that a flow gap is formed between the bottom of the inner pot and the water separation member. An overflow port is arranged in the central area of the water separation member, and an overflow gap is formed between the outer periphery of the water separation member and the inner wall of the water storage cavity; and A heating device, which is located below the water separation member and is used to heat the water in the lower water area, so that the water in the upper water area and the lower water area circulates through the overflow gap and the overflow port.

2. The noise-reducing electric slow cooker according to claim 1, wherein The middle part on the upper side of the water separation member sinks to form an upper water collecting area with the inner pot. The upper water area further includes an upper peripheral water area on the outer peripheral side of the water storage cavity. The water separation member gradually bends upward from the central area to the edge area, so as to form a first diversion surface on the lower side of the water separation member and a second diversion surface on the upper side of the water separation member. The water in the lower water area flows to the upper peripheral water area through the overflow gap, and the water in the upper water collecting area flows to the lower water area through the overflow port.

3. The noise-reducing electric slow cooker according to claim 1, wherein The lower water area includes a lower heating cavity and a lower outer cavity. The bottom wall of the lower heating cavity sinks relative to the bottom wall of the lower outer cavity. The heating device is arranged in the lower heating cavity. The lower heating cavity is below the overflow port and is communicated with the overflow port. The lower outer cavity surrounds the outer periphery of the lower heating cavity and is communicated with the overflow gap.

4. The noise-reducing electric slow cooker according to claim 3, wherein The overflow port has a surrounding wall extending downward, and the surrounding wall extends into the lower heating cavity.

5. The noise-reducing electric slow cooker according to claim 1, wherein A diversion rib position is arranged on the side of the water separation member facing the upper water area. The diversion rib positions are multiple and are arranged at intervals along the circumferential direction of the water separation member to guide the water in the upper water area to flow along the circumferential direction of the water separation member.

6. The noise-reducing electric slow cooker according to claim 5, wherein The diversion rib position is recessed downward to form a diversion groove on the side of the water separation member facing the upper water area. The width of the diversion groove gradually increases from the groove bottom to the groove opening to form a diversion inclined surface on the side wall of the diversion groove.

7. The noise-reducing electric slow cooker according to claim 1, wherein The noise-reducing electric slow cooker further includes a noise-reducing cover arranged in the lower water area. The noise-reducing cover and the bottom wall of the water storage cavity cooperate to enclose the lower heating cavity. The outer side of the noise-reducing cover forms a lower outer cavity. The heating device is arranged in the lower heating cavity. The overflow port is communicated with the lower heating cavity. The noise-reducing cover is provided with bubble-breaking holes communicating the lower heating cavity and the lower outer cavity.

8. The noise-reducing electric slow cooker according to claim 7, wherein the noise-reducing lid is provided with an installation opening, the overflow opening has a surrounding wall extending downward, and the surrounding wall extends into the installation opening to cooperate and fix with the installation opening, and the overflow opening communicates with the lower heating cavity.

9. The noise-reducing electric slow cooker according to claim 1, wherein a partial area of the bottom wall of the water storage cavity bulges upward to form the water separating member; alternatively, the water separating member and the outer pot are of a split structure, and the water separating member is detachably fixed to the bottom wall of the water storage cavity.

10. The noise-reducing electric slow cooker according to claim 1, wherein the flow area of the overflow opening is smaller than the flow area of the overflow gap.

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