CN220494803U - Steam cooking utensil - Google Patents

Abstract

The application discloses steam cooking utensil, its inside is provided with culinary art chamber and water tank, is provided with separating piece and first heating piece in the water tank, and the separating piece divide into the evaporation chamber that is located the separating piece outside and is located the inside overheated chamber that just communicates with the evaporation chamber of separating piece with the water tank, and first heating piece is used for heating the evaporation chamber in order to produce steam, and overheated intracavity is equipped with the second heating piece that is used for heating steam, is provided with the insulating part between second heating piece and the first heating piece. Be provided with the insulating part between the inner wall in this application second heating piece and overheated chamber, avoid the direct contact of second heating piece and first heating piece, reduce the heat dissipation of second heating piece, make the heat lock that the second heating piece produced in overheated chamber, shorten the required time of production superheated steam, improve superheated steam's production efficiency.

Description

Steam cooking utensil

Technical Field

The application belongs to the technical field of kitchen appliances, and particularly relates to a steam cooking appliance.

Background

The liquid in saturation is called saturated liquid and the corresponding steam is saturated steam, but is initially only wet saturated steam, and is dry saturated steam after the water in the saturated water is completely evaporated. The process temperature of the steam from unsaturated to wet saturated dry saturated is not increased (the wet saturated to dry saturated temperature is kept unchanged), and the temperature of the dry saturated steam is increased to be superheated steam when the dry saturated steam is continuously heated under the constant pressure condition. The food is heated by utilizing the superheated steam, and the food heating device has the characteristics of strong penetrability and high heating efficiency, so that the food heating device is increasingly applied to the field of household appliances.

The existing cooking appliance for heating food by using superheated steam generally comprises a water tank, a first heating element and a second heating element, wherein the first heating element is used for heating water in the water tank to generate steam, and the second heating element is used for heating the steam generated after the water is heated, so as to generate superheated steam.

However, since the second heating element is generally disposed in the water tank, a portion of the heat generated by the second heating element is used for heating the steam to generate superheated steam, and another portion of the heat is transferred to and dissipated from the water tank, so that the heat utilization efficiency of the second heating element is low, and the generation efficiency of the superheated steam is further affected.

In addition, in order to guarantee the effective output of superheated steam, generally still need the separator separate the water storage cavity of second heating member and water tank, this just has higher requirement to the processing of second heating member and water tank, assembly error, once there is the clearance between the two, in the water storage cavity of water tank can directly get into the inside cavity of separator, contact with the second heating member, and then produce wet saturated steam and directly get into the culinary art intracavity, just so lose superheated steam heating's effect, influence heating efficiency and food taste.

Disclosure of Invention

The present application provides a steam cooking appliance to solve at least one of the above technical problems.

The technical scheme adopted by the application is as follows:

the utility model provides a steam cooking utensil, steam cooking utensil inside is provided with culinary art chamber and water tank, be provided with separating piece and first heating piece in the water tank, the separating piece will the water tank divide into be located the outside evaporation chamber of separating piece and be located the separating piece is inside and with the overheated chamber of evaporation chamber intercommunication, first heating piece is used for the heating the evaporation chamber is in order to produce steam, overheated intracavity is equipped with the second heating piece that is used for heating steam, the second heating piece with be provided with the insulating part between the first heating piece.

The steam cooking appliance in the application further comprises the following additional technical characteristics:

the first heating piece comprises a heat conducting disc and a heating pipe fixedly connected with the heat conducting disc, the partition piece and the second heating piece are arranged on the heat conducting disc, and the heat conducting disc and the partition piece are matched to form the overheating cavity.

The middle part of the heat insulating piece is provided with a separation heat insulating part, and the separation heat insulating part is positioned between the second heating piece and the heat conducting disc.

The middle part of the heat insulating piece is provided with a through hole, the second heating piece is provided with a contact area which is in butt joint with the heat insulating piece, and an avoidance area which corresponds to the through hole, and a heat insulating gap is arranged between the avoidance area and the heat conducting disc.

The heat insulation piece is provided with a positioning convex rib, the second heating piece and/or the heat conducting disc is provided with a positioning groove, and the positioning convex rib is matched with the positioning groove to position the heat insulation piece.

The heat conducting disc is provided with a positioning protrusion protruding upwards and used for arranging the second heating piece, the partition piece is sleeved on the positioning protrusion, and the heat insulating piece is provided with a heat insulating sealing part which is arranged between the partition piece and the positioning protrusion and surrounds the periphery of the positioning protrusion.

The periphery of the heat insulating piece is provided with a sealing convex rib, and the sealing convex rib is abutted with the side wall of the partition piece.

The steam cooking utensil further comprises an isolation cover positioned in the isolation piece, the second heating piece is arranged in the isolation cover, a steam channel is arranged between the isolation piece and the isolation cover, and a superheated steam channel is arranged between the isolation cover and the second heating piece.

The top wall of the partition piece is provided with a steam inlet and a superheated steam outlet, the steam inlet is communicated with the evaporation cavity and the steam channel, the superheated steam outlet is communicated with the superheated steam channel and the cooking cavity, and the steam cooking appliance further comprises a sealing ring which is abutted between the steam inlet and the superheated steam outlet.

The second heating member includes a body and a heat transfer protrusion protruding toward the outside.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. the partition piece divides the water tank into an evaporation cavity and an overheating cavity, the overheating cavity is communicated with the evaporation cavity, the first heating piece is used for heating water in the evaporation cavity to generate wet saturated steam, the overheating cavity is internally provided with a second heating piece, so that the second heating piece heats steam entering the overheating cavity, then overheated steam is generated in the overheating cavity, and the overheated steam enters the cooking cavity to cook food; meanwhile, the heat insulation piece is arranged between the second heating piece and the first heating piece, so that the second heating piece is prevented from being in direct contact with the first heating piece, the situation that the second heating piece transmits heat to the outside of the overheating cavity through the first heating piece or the water tank wall is reduced, heat dissipation of the second heating piece is reduced, more heat is locked in the overheating cavity, heat generated by the second heating piece is concentrated in the overheating cavity as much as possible to heat wet saturated steam, the temperature of the steam in the overheating cavity is improved, the time required for generating the overheating steam is shortened, and the generation efficiency of the overheating steam is improved.

2. As a preferred embodiment of this application, first heating member includes the heat conduction dish and links firmly the heating pipe with the heat conduction dish to make the heating pipe heat the water in the evaporating chamber through the heat conduction dish, then make to form steam in the evaporating chamber, and separator and second heating member set up in the heat conduction dish, the heat conduction dish encloses into overheated chamber with the separator cooperation, improved the temperature at overheated chamber bottom, reduced the difference in temperature between second heating member and the heat conduction dish, thereby reduce the heat transfer of second heating member to the heat conduction dish, and combine the heat dissipation of thermal-insulated piece further reduction second heating member, guarantee the temperature in overheated chamber, improve overheated steam's production efficiency.

3. As a preferred embodiment of this application, the mouth has been seted up at the middle part of insulating part, the second heating member has the contact area with insulating part butt, and the area of dodging of corresponding mouthful, dodging and have thermal-insulated clearance between regional and the overheated intracavity wall, so avoided the direct contact of second heating member and heat conduction dish, make the second heating member only pass through the air in the thermal-insulated clearance and to the outside transmission heat of overheated chamber, and the transmission efficiency of heat in the air is lower, thereby reduced the heat loss, make the heat concentrate in overheated intracavity, the temperature in overheated chamber and the production efficiency of superheated steam have been improved.

4. As a preferred embodiment of the present application, the heat conduction plate has a positioning protrusion protruding upward and for providing the second heating member, the partition is sleeved with the positioning protrusion, and the heat insulating member has a heat insulating sealing portion provided between the partition and the positioning protrusion and surrounding the outer periphery of the positioning protrusion. The radial spacing of separating member can be carried out to the location arch, increase the stability of separating member, and the clearance between separating member and the location arch can be offset to thermal-insulated sealing portion on the one hand, thereby increase the leakproofness of overheated chamber, avoid water in the water tank to get into overheated chamber in, on the other hand still accessible separating member is fixed to the separating member with thermal-insulated sealing portion's interference fit realization, thereby the dismouting degree of difficulty of separating member has been reduced, steam cooking utensil's assembly efficiency has been improved, simultaneously, the thermal-insulated area has still been increased to the setting like this, the thermal-insulated effect has been improved, be favorable to locking more heat in overheated intracavity, reduce the heat loss of second heating member, the production efficiency of superheated steam is improved.

5. As a preferred embodiment of the application, the steam cooking appliance further comprises an isolation cover positioned in the isolation cover, the second heating element is arranged in the isolation cover, a steam channel is arranged between the isolation cover and the isolation cover, a superheated steam channel is arranged between the isolation cover and the second heating element, so that steam generated by heating water by the first heating element enters the steam channel and then enters the superheated steam channel through the steam channel, and then the second heating element positioned in the isolation cover continuously heats the steam, thereby forming superheated steam.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic view of a part of a steam cooking appliance according to an embodiment of the present application, wherein a dashed arrow indicates a flow direction of steam;

FIG. 2 is a schematic structural view of a second heating element according to an embodiment of the present application;

FIG. 3 is a schematic diagram illustrating a connection structure between the first heating element and the second heating element according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a second heating element according to an embodiment of the present application, mainly illustrating a positioning structure;

FIG. 5 is a schematic view of a heat shield according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a thermal shield according to another embodiment of the present disclosure;

FIG. 7 is a schematic diagram of the explosive structure of the connection relationship among the partition, the shielding cover, the second heating element, the heat insulating element and the first heating element according to one embodiment of the present application;

fig. 8 is a schematic view illustrating a part of a structure of a steam cooking appliance according to an embodiment of the present application;

FIG. 9 is an enlarged view of the portion A of FIG. 8;

FIG. 10 is a schematic diagram illustrating a connection relationship between the temperature measuring member and the second heating member according to an embodiment of the present disclosure.

Reference numerals:

1. a water tank; 11. an evaporation chamber; 12. a superheating chamber; 13. positioning the bulge; 14. winding the flow rib; 141. a buffer chamber;

2. a partition; 21. a steam channel; 22. a steam inlet; 23. a superheated steam outlet;

3. a first heating member; 31. a fastener; 32. a heat conduction plate; 33. heating pipes;

4. a second heating member; 41. a body; 42. a heat transfer protrusion; 421. a mounting cavity; 422. a fixing hole; 43. a heat generating member; 44. a positioning groove; 45. a mounting platform; 46. a supporting protrusion;

5. a heat insulating member; 51. positioning the convex ribs; 52. a partition heat insulation part; 53. crossing; 54. a heat-insulating sealing part; 541. sealing the convex ribs; 55. a partition portion;

6. an isolation cover; 61. a superheated steam channel; 62. a flow-through channel;

7. a seal ring;

8. a juice receiving tray; 81. a communication hole; 82. a water barrier rib; 821. a water supplementing cavity;

9. a steamer; 91. a cooking cavity;

10. and a temperature measuring piece.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the descriptions of the terms "implementation," "embodiment," "one embodiment," "example," or "particular example" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 10, a steam cooking appliance is provided with a cooking chamber 91 and a water tank 1 inside, a partition 2 and a first heating member 3 are provided in the water tank 1, the partition 2 divides the water tank 1 into an evaporation chamber 11 located outside the partition 2 and a superheating chamber 12 located inside the partition 2 and communicated with the evaporation chamber 11, the first heating member 3 is used for heating the evaporation chamber 11 to generate steam, a second heating member 4 for heating steam is provided in the superheating chamber 12, and a heat insulating member 5 is provided between the second heating member 4 and the first heating member 3.

The partition 2 divides the water tank 1 into an evaporation chamber 11 and an overheating chamber 12, the overheating chamber 12 is communicated with the evaporation chamber 11, the first heating element 3 is used for heating water in the evaporation chamber 11 to generate wet saturated steam, the overheating chamber 12 is internally provided with the second heating element 4, so that the second heating element 4 heats the steam entering the overheating chamber 12, and then superheated steam is generated in the overheating chamber 12, and the superheated steam enters the overheating chamber 12 to cook food.

Meanwhile, the heat insulation piece 5 is arranged between the second heating piece 4 and the first heating piece 3, so that the second heating piece 4 is prevented from being in direct contact with the first heating piece 3, the situation that the second heating piece 4 transmits heat to the outside of the overheat cavity 12 through the first heating piece 3 or the water tank wall is avoided, heat dissipation of the second heating piece 4 is reduced, more heat is locked in the overheat cavity 12, heat generated by the second heating piece 4 is concentrated in the overheat cavity 12 as much as possible to heat wet saturated steam, the temperature of the steam in the overheat cavity 12 is improved, the time required for generating overheat steam is shortened, and the generation efficiency of the overheat steam is improved.

In addition, the heat insulating member 5 arranged between the second heating member 4 and the first heating member 3 can also increase the tightness between the second heating member 4 and the first heating member 3, so as to prevent water in the evaporation cavity 11 from entering the overheat cavity 12, and the overheat cavity 12 is always kept in a high-temperature state, thereby ensuring the generation efficiency of overheat steam.

Preferably, the heat insulating member 5 is made of a silica gel material, so as to reduce the heat transfer capability between the second heating member 4 and the water tank 1, reduce the heat loss of the overheating chamber 12, and increase the generation efficiency of the overheating steam.

It should be noted that the positions of the first heating element 3 and the second heating element 4 are not limited in this application, and in a specific embodiment, the superheating chamber 12 is disposed in the evaporation chamber 11, the second heating element 4 is disposed on the first heating element 3, and the heat insulating element 5 is disposed between the bottom of the second heating element 4 and the upper portion of the first heating element 3; in another specific embodiment, the superheating chamber 12 is partially arranged inside the evaporation chamber 11, the second heating element 4 passing through the first heating element 3 from the middle, the insulation 5 being arranged between the side of the second heating element 4 and the first heating element 3; in a further specific embodiment, the first heating element 3 and the second heating element 4 are located in the evaporation chamber 11 and the superheating chamber 12, respectively, which are independent of each other, and the heat insulation element 5 is arranged between the tank wall forming the evaporation chamber 11 and the partition element, so as to avoid that the second heating element 4 dissipates more heat outwards through the partition element, the tank wall.

The heating mode of the steam cooking utensil is not particularly limited, and superheated air can be used as a main heat source, and the superheated steam is used for heating food, such as a steam rice cooker, an electric steamer and the like; it can also regard superheated steam as auxiliary heat source to carry out auxiliary heating to food, for example, cooking utensil is the air fryer, and its pot cover is provided with the empty heating element to generate the hot gas flow and heat food, simultaneously, the below sets up water tank 1, first heating element 3, second heating element 4 and separator 2 to produce superheated steam and carry out auxiliary heating to food.

In a preferred embodiment, referring to fig. 2 and 7, the first heating member 3 includes a heat conducting plate 32 and a heating pipe 33 fixedly connected to the heat conducting plate 32, the partition member 2 and the second heating member 4 are disposed on the heat conducting plate 32, and the heat conducting plate 32 and the partition member 2 are combined to form the superheating chamber 12.

The first heating element 3 comprises a heat conducting disc 32 and a heating pipe 33 fixedly connected with the heat conducting disc 32, so that the heating pipe 33 heats water in the evaporation cavity 11 through the heat conducting disc 32, steam is formed in the water in the evaporation cavity 11, the partition element 2 and the second heating element 4 are arranged on the heat conducting disc 32, the heat conducting disc 32 and the partition element 2 are combined to form the overheating cavity 12, the temperature of the bottom of the overheating cavity 12 is improved, the temperature difference between the second heating element 4 and the heat conducting disc 32 is reduced, heat transfer from the second heating element 4 to the heat conducting disc 32 is reduced, heat dissipation from the second heating element 4 is further reduced by combining the heat insulating element 5, the temperature of the overheating cavity 12 is guaranteed, and the production efficiency of the overheating steam is improved.

Specifically, the overheating chamber 12 is located inside the evaporation chamber 11, so that steam generated by the evaporation chamber 11 smoothly enters the overheating chamber 12, and the situation that the volume of the water tank 1 is reduced due to excessive occupation of the overheating chamber 12 is avoided, and the time for the steam cooking appliance to continuously generate steam is prolonged.

Preferably, referring to fig. 2 and 3, the second heating member 4 and the heat conductive plate 32 are coaxially disposed with the center of the cooking chamber 12, which in turn makes the distribution of the evaporation chamber 11 and the overheating chamber 12 more uniform and more reasonable, so that the overheated steam can be diffused from the center of the cooking chamber 91 to the periphery, increasing the heating effect on the food.

The application does not do specific restriction to the form of evaporating chamber 11, preferably, the bottom of water tank 1 corresponds heat conduction dish 32 and is equipped with dodges the mouth, and heat conduction dish 32 is located dodges mouthful and with water tank 1 sealing connection, and the diapire of water tank 1 is constituteed to the roof of heat conduction dish 32 to form evaporating chamber 11 jointly with other inner walls of water tank 1, so that heat conduction dish 32 is direct to the water heating, has reduced thermal dissipation, improves steam production efficiency. In other embodiments, the heat conducting plate 32 may also be a bottom wall of the water tank 1, the evaporation cavity 11 is formed by the water tank 1 alone, and the heat generated by the heating pipe 33 is conducted to the evaporation cavity 11 through the bottom wall of the water tank.

The structure of the heat insulator 5 is not particularly limited, and any of the following embodiments may be adopted:

embodiment one: referring to fig. 5, a partition insulating part 52 is provided in the middle of the insulating member 5, and the partition insulating part 52 is located between the second heating member 4 and the heat conductive plate 32.

Specifically, the bottom of the second heating element 4 is abutted with the top of the separating heat insulation part 52, and the bottom of the separating heat insulation part 52 is abutted with the top of the heat conducting disc 33, so that the direct contact between the second heating element 4 and the heat conducting disc 32 is avoided, and the heat transfer from the second heating element 4 to the heat conducting disc or the water tank wall is blocked, thereby reducing the heat loss of the overheating cavity 12 and further improving the production efficiency of the overheating steam.

Optionally, the separating and insulating part 52 is provided with a small through hole corresponding to the mounting components such as the temperature measuring part 10, so as to ensure the heat insulating effect and facilitate the mounting of each component.

Embodiment two: referring to fig. 3 and 6, the middle part of the heat insulating member 5 is provided with a through hole 53, the second heating member 4 has a contact area abutting against the heat insulating member 5 and a relief area corresponding to the through hole 53, and a heat insulating gap is provided between the relief area and the heat conducting plate 32.

The middle part of thermal-insulated piece 5 has been seted up and has been crossed mouthful 53, makes the assembly personnel when installing parts such as temperature measurement spare 10 then, reaches the effect of being convenient for assemble, crosses mouthful 53 simultaneously and has reduced the consumptive material volume when producing thermal-insulated piece 5 to the manufacturing cost of thermal-insulated piece 5 has been reduced. The heat insulation gap is arranged between the avoiding area and the inner wall of the overheat cavity 12, so that the condition that the second heating element 4 is directly contacted with the heat conducting disc 32 is avoided, heat generated by the second heating element 4 can only be transmitted to the outside of the overheat cavity 12 through air in the heat insulation gap, and the transmission efficiency of the heat in the air is lower, thereby reducing the heat loss of the overheat cavity 12, enabling the heat to be concentrated in the overheat cavity 12, and further improving the generation efficiency of overheat steam.

Specifically, the heat insulator 5 is provided with a partition 55 and a through-hole 53 in the middle of the partition 55, and the contact area of the second heater 4 abuts against the partition 55.

It should be noted that, the through opening 53 may be an opening with a larger area located in the central area of the heat insulating member 5 as shown in the drawing, or may be a small area opening formed corresponding to the mounting component such as the temperature measuring member 10, so as to facilitate the mounting of each component and ensure the heat insulating effect.

In a preferred embodiment, referring to fig. 3 and 4, the heat insulating member 5 is provided with positioning ribs 51, and the second heating member 4 and/or the heat conducting plate 32 is provided with positioning grooves 44, and the positioning ribs 51 cooperate with the positioning grooves 44 to position the heat insulating member 5.

Specifically, when the second heating element 4 is provided with the positioning groove 44, the bottom of the second heating element 4 is provided with the mounting platform 45, the positioning groove 44 is arranged on the mounting platform 45, and the positioning rib 51 is arranged on the top of the heat insulating element 5; when the heat conducting plate 32 is provided with the positioning groove 44, the positioning convex rib 51 is arranged at the bottom of the heat insulating piece 5; when the second heating element 4 and the heat conducting disc 32 are both provided with the positioning groove 44, the bottom of the second heating element 4 is provided with the mounting platform 45, the positioning groove 44 on the second heating element 4 is arranged on the mounting platform 45, the positioning groove 44 on the heat conducting disc 32 is arranged at the top of the heat conducting disc 32, the two positioning ribs 51 are arranged at the top and the bottom of the heat insulating element 5 respectively, so that the positioning ribs 51 are inserted into the corresponding positioning grooves 44 to position the heat insulating element 5, the effect of conveniently positioning the heat insulating element 5 is achieved, the assembly efficiency of the heat insulating element 5 is improved, the contact area between the heat insulating element 5 and the second heating element 4 is increased, and the sealing performance and the heat insulating effect between the heat insulating element 5 and the second heating element 4 are further increased.

In a preferred embodiment, referring to fig. 7 and 9, the heat conduction plate 32 has a positioning protrusion 13 protruding upward for disposing the second heating member 4, the partition member 2 is fitted over the positioning protrusion 13, and the heat insulating member 5 has a heat insulating sealing portion 54 provided between the partition member 2 and the positioning protrusion 13 and around the outer periphery of the positioning protrusion 13.

The partition 2 is sleeved on the positioning bulge 13, so that the positioning bulge 13 positions the partition 2, and meanwhile, the condition that the partition 2 moves in the radial direction is avoided, so that the stability of the partition 2 is improved, and when the partition 2 is installed, the positioning bulge 13 can also play a reminding effect on an assembler, so that the partition 2 is convenient to install; the gap between the partition piece 2 and the positioning protrusion 13 can be counteracted by the heat insulation sealing part 54 on one hand, so that the tightness of the overheat cavity 12 is improved, water in the water tank 1 is prevented from entering the overheat cavity 12, on the other hand, the partition piece 2 can be fixed by the interference fit of the partition piece 2 and the heat insulation sealing part 54, so that the disassembly and assembly difficulty of the partition piece 2 is reduced, the assembly efficiency of the steam cooking appliance and the use experience of a user are improved, meanwhile, the heat insulation area is increased, the heat insulation effect is improved, more heat is favorably locked in the overheat cavity 12, the heat loss of the second heating piece 4 is reduced, and the production efficiency of overheat steam is improved.

Alternatively, the positioning projection 13 has a positioning groove recessed downward for providing the second heating member 4, into which the bottom of the partitioning member 2 protrudes, and the heat insulating member 5 is provided between the second heating member and the inner wall of the positioning groove.

Of course, in other embodiments, the heat insulating member 5 may not be provided with the heat insulating sealing portion 54, for example, the thickness of the heat insulating member 5 may be larger, so that the peripheral side surface of the heat insulating member 5 abuts against the inner wall of the partition member 2, thereby increasing the tightness between the partition member 2 and the heat conducting plate 32 and ensuring the temperature of the superheating chamber 12.

In a preferred embodiment, referring to fig. 5, 6 and 7, the outer periphery of the heat insulator 5 is provided with a seal bead 541, and the seal bead 541 abuts against the side wall of the separator 2.

Specifically, the sealing ribs 541 are in an annular structure, and the sealing ribs 541 are provided with a plurality of sealing ribs, so that after the partition 2 is installed, a plurality of seals are formed between the heat insulating member 5 and the partition 2, and then the tightness between the heat insulating member 5 and the partition 2 is increased, and meanwhile, heat dissipation of the second heating member 4 can be reduced, and the generation efficiency of superheated steam is ensured. And, seal protruding muscle 541 and the lateral wall butt seal of separating member 2 have reduced separating member 2 and insulating member 5's area of contact to reduced the frictional force between separating member 2 and the insulating member 5, reached the effect of being convenient for dismantle separating member 2, improved user's use experience.

In a preferred embodiment, referring to fig. 1, 2 and 7, the steam cooking appliance further comprises a hood 6 positioned inside the partition 2, the second heating member 4 being placed inside the hood 6, a steam channel 21 being provided between the partition 2 and the hood 6, and a superheated steam channel 61 being provided between the hood 6 and the second heating member 4.

The steam generated by the first heating member 3 heating the water in the water tank 1 enters the steam passage 21, flows along the steam passage 21 and enters the superheated steam passage 61, so that the second heating member 4 heats the steam entering the superheated steam passage 61, thereby causing the temperature of the steam to rise to become superheated steam. The flow path of the steam is increased by the steam flowing in the steam channel 21 and the superheated steam channel 61, thereby increasing the contact time of the steam with the second heating member 4 in the superheated chamber 12, and greatly improving the generation efficiency of the superheated steam.

In a preferred embodiment, referring to fig. 7, 8 and 9, the top wall of the partition 2 is provided with a steam inlet 22 and a superheated steam outlet 23, the steam inlet 22 communicates with the evaporation chamber 11 and the steam channel 21, the superheated steam outlet 23 communicates with the superheated steam channel 61 and the cooking chamber 91, the steam cooking appliance further comprises a sealing ring 7, and the sealing ring 7 abuts between the steam inlet 22 and the superheated steam outlet 23.

Specifically, steam cooking utensil still includes the juice receiving dish 8 that locates water tank 1 top and locates the food steamer 9 of juice receiving dish 8 top, food steamer 9 is equipped with cooking cavity 91, so that juice receiving dish 8 holds juice that drips in the food cooking process and connects, it is equipped with intercommunicating pore 81 to connect juice dish 8 to correspond superheated steam outlet 23, the one end that separator 2 was kept away from to sealing washer 7 communicates in intercommunicating pore 81, so that sealing washer 7 keeps apart steam inlet 22 and superheated steam outlet 23, thereby guarantee that the steam that produces in the steam cavity gets into steam channel 21 and gets into superheated steam channel 61 through steam channel 21, finally get into cooking cavity 91 through hot steam outlet 23 and sealing washer 7 after the heating of second heating piece 4, and then make steam flow according to the route of predetermineeing, guarantee superheated steam's production efficiency.

Preferably, referring to fig. 2, a through-flow passage 62 communicating the steam passage 21 and the superheated steam passage 61 is provided between the bottom of the shielding cover 6 and the second heating member 4.

The through-flow channel 62 is located at the bottom of the isolation cover 6, so that the paths of the steam channel 21 and the superheated steam channel 61 can be increased, the flowing time of the steam in the steam channel 21 and the superheated steam channel 61 can be increased, the heating effect of the steam can be increased, and the generating efficiency of the superheated steam can be improved.

Of course, in other embodiments, the flow passage 62 may be located in the middle or lower portion of the isolation cover 6.

The forming manner of the through-flow channel 62 is not specifically limited in this application, and preferably, referring to fig. 2, 3 and 9, the outer side of the bottom of the second heating element 4 is convexly provided with a supporting protrusion 46, and a plurality of supporting protrusions 46 are disposed along the circumferential direction of the second heating element 4 at intervals, and the bottom of the isolation cover 6 abuts against the top of the supporting protrusion 46, so that the through-flow channel 62 is jointly formed by the bottom of the isolation cover 6 and the gaps between two adjacent supporting protrusions 46. In other embodiments, the peripheral side of the bottom of the shielding cover 6 is perforated to form a through-flow passage 62 that will communicate the steam passage 21 and the superheated steam passage 61.

In a preferred embodiment, referring to fig. 2, the second heating member 4 includes a body 41 and a heat transfer protrusion 42 protruding toward the outside.

The heat transfer protrusions 42 increase the surface area of the second heating member 4, and in turn, increase the heat transfer area of the second heating member 4 and steam, and the second heating member 4 can be in contact with more steam, so that the amount of superheated steam generated in unit time is greatly increased, the generation efficiency of the superheated steam is improved, and the working efficiency of the steam cooking apparatus is improved.

The location and the protruding direction of the heat transfer protrusions 42 are not limited in this application, and in one embodiment, the heat transfer protrusions 42 are provided at the top of the body 41 and protrude upward. In a preferred embodiment, however, the heat transfer protrusions 42 are provided at the sides of the body 41 and protrude laterally as shown. Of course, the heat transfer protrusions 42 may also be annular protrusions or spiral protrusions to surround the body 41.

In a preferred embodiment, referring to fig. 2 and 4, a plurality of heat transfer protrusions 42 are provided at intervals along the circumferential direction of the body 41, the heat transfer protrusions 42 extend in the height direction of the body 41, and the distance from the outside of the heat transfer protrusions 42 to the body 41 increases gradually from top to bottom.

The heat transfer protrusions 42 are provided at intervals along the circumferential direction of the body 41, so that the surface area of the second heating member 4 is further increased, the heating area of the second heating member 4 to steam is further increased, and the generation efficiency of superheated steam is further improved. And, the heat transfer protrusion 42 is provided with a plurality of, so that the structure of the second heating element 4 is more uniform and regular, and the processing and the manufacturing are convenient. The distance from the outer side of the heat transfer protrusion 42 to the body 41 gradually increases from top to bottom, so that the second heating element 4 can be more conveniently demoulded when the second heating element 4 is produced, and the production efficiency of the second heating element 4 is improved.

In a preferred embodiment, referring to fig. 2 and 10, the second heating member 4 further includes a heat generating member 43, and at least a partial region of the heat generating member 43 is located in the heat transfer protrusion 42, so that at least a partial region of the heat generating member 43 can be accommodated in the heat transfer protrusion 42, thereby properly reducing the volume of the second heating member 4 while saving costs while ensuring the water storage capacity of the evaporation chamber 11 on the basis of ensuring that the body 41 and the heat transfer protrusion 42 can be wrapped around the heat generating member 43.

Further, referring to fig. 10, the steam cooking appliance further includes a temperature measuring member 10, and the second heating member 4 is provided with a mounting cavity 421 for mounting the temperature measuring member 10, at least a partial region of the mounting cavity 421 being located at the heat transfer protrusions 42.

Because the heat transfer protrusion 42 is a structure protruding towards the outer side of the body 41, a part of the mounting cavity 421 is located in the heat transfer protrusion 42, after the temperature measuring piece 10 stretches into the mounting cavity 421, the distance between the temperature measuring piece 10 and the heating piece 43 is far, so that the temperature of the temperature measuring piece 10 is reduced by increasing the distance between the temperature measuring piece 10 and the heating piece 43, the temperature of the temperature measuring piece 10 is reduced, the temperature measuring piece 10 is affected by high temperature, the temperature measuring piece 10 works in a safe temperature environment, the service life of the temperature measuring piece 10 is prolonged, and the detection sensitivity and accuracy of the temperature measuring piece 10 are guaranteed.

Further, referring to fig. 3, 9 and 10, the bottom of the heat transfer protrusion 42 is provided with a fixing hole 422, the first heating member 3 is provided with a fastening member 31, and the fastening member 31 is inserted into the fixing hole 422 to fixedly connect the second heating member 4 with the first heating member 3. Because the temperature of the first heating element 3 is higher relative to the water tank 1, the second heating element 4 is fixedly connected with the first heating element 3, and then the temperature difference between the two is reduced, so that the heat dissipation of the second heating element 4 is reduced, and the generation efficiency of superheated steam is improved. In other embodiments, the second heating element 4 may also be fixedly connected to the partition 2, for example, by extending a fastener 31 into the second heating element 4 from the top or side of the partition 2, so that the second heating element 4 is fixed to the partition 2 by the fastener 31.

Preferably, the fastening member 31 is a screw, and a shaft of the screw extends into the fixing hole 422 through the first heating member 3 to achieve a fixed connection of the second heating member 4 and the first heating member 3. Of course, the second heating element 4 may be fixed to the first heating element 3 by other means, such as clamping, magnetic attraction, etc.

Further, referring to fig. 1 and 8, a juice receiving tray 8 is disposed above the water tank 1, and a water blocking rib 82 extending downward is disposed at the bottom of the juice receiving tray 8, and the bottom of the water blocking rib 82 extends to the bottom of the water tank 1.

Specifically, the water barrier 82 is annular, and the diameter thereof is not smaller than the diameter of the first heating element 3, so that the water barrier 82 is located outside the first heating element 3, the water barrier 82 and the partition 2 together form the evaporation chamber 11, and the outside of the water barrier 82 forms the water replenishment chamber 821.

So set up, can make the water proof muscle 82 insert in the water, make evaporation chamber 11 form confined cavity, avoid steam to spread outwards for steam is more concentrated and make evaporation chamber 11's atmospheric pressure can rise fast, shortens the time that steam cooking utensil produced superheated steam, shortens the culinary art time to food, improves cooking efficiency.

Preferably, a certain distance exists between the water-proof rib 82 and the bottom wall of the water tank 1 to form a water supplementing channel, or the water-proof rib 82 is abutted with the bottom wall of the water tank 1, and holes are formed in the bottom of the water-proof rib 82 to form the water supplementing channel.

Along with the continuous generation of steam in the evaporation cavity 11, the water in the evaporation cavity 11 gradually decreases, and the water in the water supplementing cavity 821 enters the evaporation cavity 11 through the water supplementing channel to supplement water for the evaporation cavity 11, so as to avoid the dry burning condition of the evaporation cavity 11 and ensure that the steam is normally generated in the steam cavity.

Further, referring to fig. 1 and 8, the inner wall of the water tank 1 is convexly provided with a flow-around rib 14, the flow-around rib 14 is surrounded on the outer side or the inner side of the water-blocking rib 82, and a buffer cavity 141 is formed between the flow-around rib 14 and the water-blocking rib 82.

As the water in the evaporation chamber 11 continuously absorbs heat to evaporate into steam, the water in the evaporation chamber 11 gradually decreases, the water in the buffer chamber 141 gradually enters the evaporation chamber 11 to supplement the evaporation chamber 11 with water, and the water in the water supplementing chamber 821 enters the buffer chamber 141 to supplement the buffer chamber 141 with water. Because the buffer cavity 141 is closer to the evaporation cavity 11, the temperature of the water in the buffer cavity 141 is higher than that of the water in the water compensating cavity 821, so that the water in the water compensating cavity 821 cannot directly enter the evaporation cavity 11, and the water temperature of the water compensating cavity 821 is prevented from being reduced due to the fact that the water in the water compensating cavity 821 is directly mixed with the water in the evaporation cavity 11, the temperature in the evaporation cavity 11 is ensured, the water in the evaporation cavity 11 can be boiled in a short time to generate steam, and the steam generation rate and the cooking efficiency are improved.

Specifically, when the flow-around rib 14 is surrounded on the inner side of the water-blocking rib 82, the bottom of the flow-around rib 14 is perforated to ensure that the water in the buffer chamber 141 is replenished into the evaporation chamber 11.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (10)

1. A steam cooking appliance, wherein a cooking cavity and a water tank are arranged inside the steam cooking appliance,

be provided with separating member and first heating member in the water tank, the separating member will the water tank divide into be located the outside evaporation chamber of separating member and be located the inside and with the overheated chamber of evaporation chamber intercommunication of separating member, first heating member is used for heating evaporation chamber is in order to produce steam, be equipped with the second heating member that is used for heating steam in the overheated chamber, the second heating member with be provided with the thermal-insulated piece between the first heating member.

2. The steam cooking appliance of claim 1, wherein the steam cooking appliance further comprises a heater,

the first heating piece comprises a heat conducting disc and a heating pipe fixedly connected with the heat conducting disc, the partition piece and the second heating piece are arranged on the heat conducting disc, and the heat conducting disc and the partition piece are matched to form the overheating cavity.

3. The steam cooking appliance of claim 2, wherein the steam cooking appliance further comprises a heater,

the middle part of the heat insulating piece is provided with a separation heat insulating part, and the separation heat insulating part is positioned between the second heating piece and the heat conducting disc.

4. The steam cooking appliance of claim 2, wherein the steam cooking appliance further comprises a heater,

the middle part of the heat insulating piece is provided with a through hole, the second heating piece is provided with a contact area which is in butt joint with the heat insulating piece, and an avoidance area which corresponds to the through hole, and a heat insulating gap is arranged between the avoidance area and the heat conducting disc.

5. The steam cooking appliance of claim 2, wherein the steam cooking appliance further comprises a heater,

the heat insulation piece is provided with a positioning convex rib, the second heating piece and/or the heat conducting disc is provided with a positioning groove, and the positioning convex rib is matched with the positioning groove to position the heat insulation piece.

6. The steam cooking appliance of claim 2, wherein the steam cooking appliance further comprises a heater,

the heat conducting disc is provided with a positioning protrusion protruding upwards and used for arranging the second heating piece, the partition piece is sleeved on the positioning protrusion, and the heat insulating piece is provided with a heat insulating sealing part which is arranged between the partition piece and the positioning protrusion and surrounds the periphery of the positioning protrusion.

7. The steam cooking appliance of claim 1, wherein the steam cooking appliance further comprises a heater,

the periphery of the heat insulating piece is provided with a sealing convex rib, and the sealing convex rib is abutted with the side wall of the partition piece.

8. The steam cooking appliance of claim 1, wherein the steam cooking appliance further comprises a heater,

the steam cooking utensil further comprises an isolation cover positioned in the isolation piece, the second heating piece is arranged in the isolation cover, a steam channel is arranged between the isolation piece and the isolation cover, and a superheated steam channel is arranged between the isolation cover and the second heating piece.

9. The steam cooking appliance of claim 8, wherein the steam cooking appliance further comprises a heater,

the top wall of the partition piece is provided with a steam inlet and a superheated steam outlet, the steam inlet is communicated with the evaporation cavity and the steam channel, the superheated steam outlet is communicated with the superheated steam channel and the cooking cavity, and the steam cooking appliance further comprises a sealing ring which is abutted between the steam inlet and the superheated steam outlet.

10. The steam cooking appliance of claim 1, wherein the steam cooking appliance further comprises a heater,

the second heating member includes a body and a heat transfer protrusion protruding toward the outside.