Steam generating device and cooking utensil

Abstract

The utility model discloses a steam generating device and a cooking utensil, the steam generating device comprises a shell, a steam generating assembly and a steam heating assembly, the shell is internally provided with a water storage cavity and a steam heating cavity, the water storage cavity is arranged at the lower end of the steam heating cavity, a steam outlet hole is formed in the upper end of the water storage cavity and communicated with the steam heating cavity, and the steam generating assembly is used for heating water in the water storage cavity to generate steam. The steam heating assembly is used for conducting secondary heating on steam rising into the steam heating cavity through the steam outlet holes. Water in the water storage cavity is heated through the steam generation assembly to generate steam, the steam directly rises to the steam heating cavity through the steam outlet holes, the steam in the steam heating cavity is secondarily heated through the steam heating assembly, so that the temperature of the output steam is higher than 100 DEG C, and the whole steam generation device is compact in structure and free of additional pipelines. And the heat loss can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cooking utensils, in particular to a steam generating device and cooking utensil. BACKGROUND

[0002] In the field of modern kitchen appliances, as a kind of kitchen appliance integrating multiple cooking functions such as steaming and baking, steam oven is favored by consumers because it can conveniently meet different cooking needs.

[0003] In the steam mode, steam is generated by heating and boiling water through the steam generating assembly, and the steam is introduced into the cavity for cooking. However, the temperature of such steam can only reach 100℃, and it takes a long time to fill the cavity with steam and reach a steam environment of 100℃. Therefore, many steam ovens are provided with a structure for secondary heating of steam to make the corresponding steam temperature higher to facilitate the warming of the oven. However, in the existing improvement, such as CN211511508U, after the steam generating assembly generates steam, the steam is transmitted through a steam transmission pipeline, and the steam secondary heating structure is connected to the steam transmission pipeline. This setting method needs to set more pipelines in the structure, and the overall structure is complex. Moreover, the steam generated by the steam generating assembly will lose heat during pipeline transmission.

[0004] A new technical solution is needed to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model provides a steam generating device and cooking utensil, and aims to solve the problem of complex steam heating structure of steam oven in the prior art and heat loss caused thereby.

[0006] The technical scheme of the utility model is as follows:

[0007] As the first aspect of the utility model, a steam generating device is provided, which comprises a shell, a steam generating assembly and a steam heating assembly. The shell is provided with a water storage cavity and a steam heating chamber. The water storage cavity is arranged at the lower end of the steam heating chamber, and the upper end of the water storage cavity is provided with a steam outlet hole communicating with the steam heating chamber. The steam generating assembly is used for heating water in the water storage cavity to generate steam. The steam heating assembly is used for secondary heating of the steam rising into the steam heating chamber through the steam outlet hole.

[0008] In some optional embodiments of the first aspect of the utility model, the steam heating assembly and the steam heating chamber are each provided with multiple groups and are one-to-one corresponding. The multiple groups of steam heating chambers are arranged in series through the steam outlet hole.

[0009] In some optional embodiments of the first aspect of the utility model, the two ends inside the shell are respectively provided with two steam outlet holes.

[0010] In some optional embodiments of the first aspect of the present application, the steam heating chamber is provided with a steam outlet valve, and the steam outlet valve is connected with a temperature sensor, and the steam heating assembly is connected in parallel and adjusts the working state based on the temperature detected by the temperature sensor.

[0011] In some optional embodiments of the first aspect of the present application, the shell comprises a front partition plate and a rear partition plate, the front partition plate and the rear partition plate are respectively provided with a bonding area in the length direction, and the bonding areas of the front partition plate and the rear partition plate are bonded to separate the water storage cavity and the steam heating chamber.

[0012] In some optional embodiments of the first aspect of the present application, the rear partition plate comprises a bonding plane and a groove recessed away from the front partition plate on one side of the bonding plane, the groove is arranged in the length direction of the bonding area of the front partition plate and the rear partition plate, and the groove and the front partition plate form the steam outlet hole.

[0013] In some optional embodiments of the first aspect of the present application, the non-bonding area of the front partition plate is provided with a protruding portion protruding away from the rear partition plate on one side, and the protruding portion and the rear partition plate form the water storage cavity and the steam heating chamber.

[0014] In some optional embodiments of the first aspect of the present application, the front partition plate is provided with a fixing structure for fixing the steam generating assembly and the steam heating assembly respectively, and the fixing structure is arranged on the water storage cavity and the steam heating chamber correspondingly.

[0015] In some optional embodiments of the first aspect of the present application, the steam generating assembly and the steam heating assembly are both metal tubular heating elements, and the metal tubular heating elements are arranged on the protruding portion of the front partition plate.

[0016] In some optional embodiments of the first aspect of the present application, the water storage cavity at least partially protrudes the steam heating chamber in the length direction, and the protruding portion of the water storage cavity is connected with a water inlet valve.

[0017] In some optional embodiments of the first aspect of the present application, the volume of the water storage cavity is greater than the volume of the steam heating chamber.

[0018] As a second aspect of the present application, the present application also provides a cooking utensil, which comprises the steam generating device according to any one of the first aspect of the present application.

[0019] The beneficial effects are as follows: This utility model provides a steam generating device and a cooking appliance. The steam generating device is provided with a water storage chamber and a steam heating chamber distributed vertically. The water in the water storage chamber is heated by the steam generating component to generate steam. The steam rises directly to the steam heating chamber through the steam outlet. The steam in the steam heating chamber is reheated by the steam heating component to make the output steam temperature higher than 100°C. The entire steam generating device has a compact structure and no additional pipelines, which can reduce heat loss. Attached Figure Description

[0020] Figure 1 This is an exploded structural diagram of the steam generating device of this utility model.

[0021] Figure 2 This is a cross-sectional view of the steam generating device of this utility model.

[0022] Figure 3 This is another sectional view of the steam generating device of this utility model.

[0023] Figure 4 This is another sectional view of the steam generating device of this utility model.

[0024] Figure 5 This is another exploded view of the steam generator of this utility model.

[0025] Figure 6 This is another exploded view of the steam generator of this utility model.

[0026] Figure 7 This is a schematic diagram of the structure of the steam oven of this utility model.

[0027] The icon numbers in the figure are as follows:

[0028] 1-Steam generator; 10-House; 101-Water storage chamber; 102-Steam heating chamber; 103-Front partition; 1031-Protrusion; 104-Rear partition; 1041-Mating surface; 1042-Groove; 11-Steam generating assembly; 12-Steam heating assembly; 13-Steam outlet; 14-Steam outlet valve; 15-Water inlet valve; 16-Fixing structure; 17-Protruding part; 18-Temperature sensor; 2-Steam oven; 21-Cooking chamber; 22-Water inlet pipe; 23-Steam pipe; Outer shell; 24. Detailed Implementation

[0029] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0030] It needs to be explained in advance that in the following description of the utility model, if there are terms, the directions or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "transverse", "top", "bottom", "inner", "outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] The terms "first", "second", "third", etc. are only used for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can include one or more of the features explicitly or implicitly. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0032] Throughout the specification, reference to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model. Therefore, the phrases "in one embodiment" or "in some embodiments" appearing in various places throughout the specification are not all referring to the same embodiment. Furthermore, particular features, structures, or characteristics can be combined in any suitable way in one or more embodiments.

[0033] Referring to Figures 1-6 As a first aspect of the utility model, a steam generating device 1 is provided, comprising a shell 10, a steam generating assembly 11 and a steam heating assembly 12, the shell 10 is provided with a water storage cavity 101 and a steam heating cavity 102, the water storage cavity 101 is arranged at the lower end of the steam heating cavity 102, and the upper end of the water storage cavity 101 is provided with a steam outlet hole 13 communicating with the steam heating cavity 102, the steam generating assembly 11 is used for heating the water in the water storage cavity 101 to generate steam, and the steam heating assembly 12 is used for secondary heating of the steam rising to the steam heating cavity 102 through the steam outlet hole 13.

[0034] The steam generating device 1 provided by the utility model, setting up and down distribution's water storage cavity 101 and steam heating chamber 102, through steam generating assembly 11 to the water in water storage cavity 101 is heated to generate steam, and the steam is directly lifted to steam heating chamber 102 through steam outlet hole 13, and the steam in steam heating chamber 102 is heated twice by steam heating assembly 12, so that the output steam temperature is higher than 100 DEG C, the whole steam generating device 1 structure is compact without additional pipeline, can reduce the loss of heat, and the structure is simple;The water in steam heating chamber 102 can also be returned to water storage cavity 101 through steam outlet hole 13 after condensation, thereby reducing the generation of accumulated water in steam heating chamber 102.

[0035] The steam generating device 1 of the utility model integrates steam generation and steam heating, wherein the steam generating assembly 11 is used for heating the water in the water storage cavity 101 to form steam by boiling, and the temperature of the steam can only reach 100 DEG C at this time, the steam enters the steam heating chamber 102 through the steam outlet hole 13, and the steam heating assembly 12 heats the steam twice, so that the temperature of the steam is higher than 100 DEG C.

[0036] Combination Figures 2-4 To further improve the secondary heating efficiency of steam, in some optional embodiments of the first aspect of the utility model, the steam heating assembly 12 and the steam heating chamber 102 are provided with multiple groups and are one-to-one corresponding, and the multiple steam heating chambers 102 are connected in series through the steam outlet hole 13. Wherein the multiple groups can be 2 groups, 3 groups, 4 groups, 5 groups, etc. By setting multiple series steam heating chambers 102, the corresponding steam heating chambers 102 are respectively provided with steam heating assemblies 12 to heat the steam in the cavity, and the steam heating assemblies 12 are connected in parallel, and the multiple steam heating assemblies 12 can heat the steam synchronously or partially to heat the steam, so as to realize the adjustment of different temperatures of the steam.

[0037] In the utility model, according to the size of the steam generating device 1 and the corresponding structure, the steam heating assembly 12 and the steam heating chamber 102 are provided with 5 groups. The steam generating device 1 can realize that the output steam temperature is 100-350 DEG C.

[0038] Further, combined with the attached Figure 7The steam heating chamber 102 is provided with a steam outlet valve nozzle 14, and the steam outlet valve nozzle 14 is connected with a temperature sensor 18. The steam heating assembly 12 adjusts the working state based on the temperature detected by the temperature sensor 18. The temperature sensor 18 can be arranged on one side of the steam outlet valve nozzle 14 or on the steam pipeline 23 connected with the steam outlet valve nozzle 14, such as the temperature sensor 18 being arranged at the connection between the steam pipeline 23 and the cooking box 21, for detecting the temperature of the steam entering the cooking box 21.

[0039] By adopting the technical scheme, the temperature sensor 18 can detect the temperature of the steam output by the steam outlet valve nozzle 14 in real time, and the detected steam temperature is fed back again to see whether the number of the steam heating assembly 12 to be started is to be increased or decreased. The heating power and / or the number of the steam heating assembly 12 are controlled by the temperature sensor 18, so that the temperature of the steam is prevented from being too high or too low, and the heating effect of the steam generating device 1 is improved.

[0040] Specifically, the temperature sensor 18 senses the steam temperature, and controls the working state of the first group to the fifth group of steam heating assemblies 12 according to the temperature set by the program. The working state specifically includes the opening, closing and heating power of the steam heating assembly 12.

[0041] In one embodiment, the control mode of the temperature sensor 18 on the steam heating assembly 12 can be that when the program is set to 100℃, the steam generating assembly 11 works to heat the water in the water storage cavity 101 to generate steam, the steam is output through the steam outlet hole 13, due to the loss of the steam in the output process, one group of steam heating assemblies 12 is started, and the power thereof is controlled, such as the fifth group of steam heating assemblies 12 being started, and the steam is secondarily heated by the fifth group of steam heating assemblies 12, so as to ensure that the steam temperature sensed by the temperature sensor 18 is 100℃+3℃ fluctuation. Specifically, the uppermost group of steam heating assemblies 12 is defined as the fifth group of steam heating assemblies 12.

[0042] When the program is set to 120℃, two groups of steam heating assemblies 12 are started, so as to ensure that the steam temperature sensed by the temperature sensor 18 is 120℃+3℃ fluctuation, such as the second group and the second group of steam heating assemblies being started; when the program is set to 200℃, three groups of steam heating assemblies 12 are started, such as the first group, the third group and the fifth group of steam heating assemblies 12 being started to work and ensuring that the steam temperature sensed by the temperature sensor 18 is 200℃+3℃ fluctuation; when the highest temperature is set to 350℃, the first group to the fifth group of steam heating assemblies 12 are all started to heat, so as to ensure that the steam temperature sensed by the temperature sensor 18 is 350℃+3℃ fluctuation.

[0043] Considering the load and power limit of the steam generating device 1, the steam heating range in the utility model is limited within 350 DEG C. The above is an implementation example of the control mode of the temperature sensor 18 controlling the steam heating assembly 12, which can be adjusted or adjusted according to the demand, and the specific control mode should not be limited to the scheme.

[0044] In combination Figure 2 , Figure 2 The arrow direction in the middle represents the movement of steam, in order to further ensure that the steam can be fully heated in the steam heating chamber 102, in some optional embodiments of the first aspect of the utility model, two adjacent steam outlets 13 are arranged on the two sides inside the shell 10. The two ends of the adjacent steam outlets 13 are arranged inside the shell 10, which can increase the movement stroke of the steam in the steam heating chamber 102, ensure more sufficient heating, and at the same time avoid local aggregation of the steam in the steam heating chamber 102, improve the heating effect of the steam heating assembly 12 on the steam.

[0045] In combination Figure 1 , Figure 5 And Figure 6 In the utility model, the shell 10 includes a front partition plate 103 and a rear partition plate 104, the front partition plate 103 and the rear partition plate 104 are respectively provided with a bonding area and a non-bonding area in the length direction, and the bonding areas of the front partition plate 103 and the rear partition plate 104 are bonded to separate the water storage cavity 101 and the steam heating chamber 102, and the non-bonding area is enclosed to form the water storage cavity 101 and the steam heating chamber 102.

[0046] In the utility model, the shell 10 is enclosed by the front partition plate 103 and the rear partition plate 104, and the water storage cavity 101 and the steam heating chamber 102 are separated by the front partition plate 103 and the rear partition plate 104 in the length direction, and the corresponding chambers are formed in the non-bonding area. The shell 10 is composed of two plates, which is simple in structure and reduces the volume of the steam generating device 1, so that it can better adapt to the cooking utensil and will not have a great influence on the volume of the cooking utensil. The width of the bonding area of the adjacent two chambers is between 1-30mm, which can be 1mm, 5mm, 10mm, 15mm, 20mm, 30mm, etc.

[0047] In other embodiments, the shell 10 can also be a cylindrical shape and have a partition plate inside for separating the water storage cavity 101 and the steam heating chamber 102; or the shell 10 can be a cuboid and be divided into the water storage cavity 101 and the steam heating chamber 102 by a baffle; the specific structure is not limited here.

[0048] Referring to the drawings Figure 6Further, in the optional embodiment, the rear partition plate 104 comprises a fitting plane 1041 and a recess 1042 recessed to a side away from the front partition plate 103, the recess 1042 is arranged in the length direction of the fitting area of the front partition plate 103 and the rear partition plate 104, and the recess 1042 and the front partition plate 103 form the steam outlet hole 13.

[0049] In the steam generation device 1 of the utility model, when the steam generation device 1 is arranged in a cooking utensil, the rear partition plate 104 is defined as a plate close to a cooking box body 21 of the cooking utensil, and the front partition plate 103 is defined as a plate arranged on a side close to a shell 24 of the cooking utensil. The rear partition plate 104 is provided with a fitting plane 1041, which is convenient for fitting installation on the side of the box body of the cooking utensil, and the structure of the rear partition plate 104 is simple and convenient for production. The recess of the rear partition plate 104 is used to form a corresponding steam outlet hole 13, and the steam outlet hole 13 does not need to be additionally arranged, which simplifies the structure of the steam generation device 1 and reduces the production cost.

[0050] In the steam generation device 1 of the utility model, when the steam generation device 1 is arranged in a cooking utensil, the rear partition plate 104 is defined as a plate close to a cooking box body 21 of the cooking utensil, and the front partition plate 103 is defined as a plate arranged on a side close to a shell 24 of the cooking utensil. The rear partition plate 104 is provided with a fitting plane 1041, which is convenient for fitting installation on the side of the box body of the cooking utensil, and the structure of the rear partition plate 104 is simple and convenient for production. The recess of the rear partition plate 104 is used to form a corresponding steam outlet hole 13, and the steam outlet hole 13 does not need to be additionally arranged, which simplifies the structure of the steam generation device 1 and reduces the production cost.

[0051] In other embodiments, the rear partition plate 104 can also be arranged in other shapes, such as a wave shape with recesses and protrusions, and the non-fitting area corresponds to a recess and the fitting area corresponds to a protrusion.

[0052] Further, the non-fitting area of the front partition plate 103 is provided with a protruding part 1031 away from the rear partition plate 104, and the protruding part 1031 and the rear partition plate 104 form the water storage cavity 101 and the steam heating cavity 102.

[0053] On the basis that the rear partition plate 104 is overall flat, preferably, the front partition plate 103 of the utility model can be arranged as a plane in the fitting area and arranged as a protrusion outward in the non-fitting area, thereby forming a protruding part 1031, and the corresponding protruding part 1031 and the fitting plane 1041 of the rear partition plate 104 form the water storage cavity 101 and / or the water storage cavity 101. The arrangement of the protruding part 1031 can increase the volume of the water storage cavity 101 or the steam heating cavity 102, thereby being capable of storing more water or steam.

[0054] In the optional embodiment of the utility model, the front partition plate 103 is provided with a fixing structure 16 for fixing the steam generation assembly 11 and the steam heating assembly 12 respectively, and the fixing structure 16 is correspondingly arranged on the water storage cavity 101 and the steam heating cavity 102.

[0055] The corresponding steam generating assembly 11 and steam heating assembly 12 are fixed to the water storage cavity 101 and steam heating cavity 102 by the fixing structure 16, and the steam generating assembly 11 and steam heating assembly 12 are components for heating water or steam.

[0056] In the utility model, the fixing structure is arranged on the convex part 1031 of the front partition plate 103, so that the compact structure is ensured, and the volume of the device is reduced.

[0057] In a specific embodiment, the steam generating assembly 11 and steam heating assembly 12 can be metal tubular heating elements, the fixing structure 16 can be fixing holes formed on the corresponding cavity, the metal tubular heating elements pass through the fixing holes, are arranged inside the corresponding cavity, and are arranged on the fixing holes in the form of interference at both ends, so that heat generated by the metal tubular heating elements is transmitted to the corresponding cavity through the metal pipe wall in the cavity to heat water or steam.

[0058] Further, the volume of the steam heating cavity 102 in the scheme can only contain the metal tubular heating element inside, so that the passing steam can be quickly and secondarily heated and warmed up; and the volume of the water storage cavity 101 is greater than that of the steam heating cavity 102, so that enough water can be used to generate steam in time.

[0059] In other embodiments, the steam generating assembly 11 and steam heating assembly 12 can also be arranged on the outer wall of the shell 10 and heat the cavity in the shell 10, and the corresponding fixing structure 16 can be buckles, and the specific form is not limited.

[0060] In the optional embodiment of the utility model, the water storage cavity 101 at least partially protrudes from the steam heating cavity 102 in the length direction, and the upper end of the protruding part 17 of the water storage cavity 101 is connected with the water inlet valve nozzle 15. Wherein, the water storage cavity 101 at least partially protrudes from the steam heating cavity 102 in the length direction, the water storage cavity 101 is connected with the water inlet valve nozzle 15 arranged on the protruding part 17 of the water storage cavity 101, and the steam outlet hole 13 is arranged on the side away from the protruding part 17, so that the water inlet valve nozzle 15 is arranged on the water storage cavity 101, the water inlet valve nozzle 15 is connected with the water inlet pipeline 22, and the connection at the upper end can prevent the water in the water storage cavity 101 from flowing back to the water inlet pipeline 22.

[0061] Meanwhile, the arrangement of the protruding part 17 can prevent the connected water inlet pipeline 22 from interfering with the steam generating device 1, so that the structure is more simple. The arrangement of the protruding part 17 also enlarges the volume of the water storage cavity 101, so that more water can be stored.

[0062] The steam generating device 1 of the scheme integrates steam generation and steam secondary heating into one, has small volume, is convenient to install, and has relatively low cost.

[0063] In combination Figure 7 As a second aspect of the utility model, the utility model also provides a cooking utensil, the cooking utensil includes the steam generating device 1 of any one of the first aspect of the utility model.

[0064] The cooking utensil can be a steam oven 2, a steam oven or other multifunctional cooking utensil containing steam. The steam generating device 1 is arranged inside the shell 24 of the cooking utensil. The water storage cavity 101 is connected to a water pump (not shown in the figure) through the water inlet valve nozzle 15 and the water inlet pipeline 22. The steam heating chamber 102 is connected to the cooking box body 21 of the cooking utensil through the steam outlet valve nozzle 14 and the steam pipeline 23.

[0065] The cooking utensil with the steam generating device 1 can detect the temperature of steam by the temperature sensor 18, adjust the temperature of steam by program control of the heating and disconnection of multiple steam heating assemblies 12, realize random adjustment of the steam temperature from 100 DEG C to 350 DEG C, integrate steam generation and steam heating into one, and quickly realize steam temperature rise of the cooking utensil.

[0066] In order to better illustrate the technical scheme of the utility model, the utility model provides the following exemplary embodiments for specific description:

[0067] <Embodiment 1>

[0068] Referring to Figures 1-3 The steam generating device 1 includes a shell 10, a steam generating assembly 11 and a steam heating assembly 12. The shell 10 is provided with a water storage cavity 101 and a steam heating chamber 102. The water storage cavity 101 is arranged at the lower end of the steam heating chamber 102, and the upper end of the water storage cavity 101 is provided with a steam outlet hole 13 communicating with the steam heating chamber 102. Multiple steam heating chambers 102 and steam generating assemblies 11 are correspondingly arranged. The corresponding multiple steam heating chambers 102 are arranged in series in up-down mode through the steam outlet holes 13. The corresponding multiple steam heating assemblies 12 are arranged in parallel. The steam heating assembly 12 is used for heating the water in the water storage cavity 101 to form steam. The steam rises to the steam heating chamber 102 through the corresponding steam outlet holes 13 for secondary heating of the steam.

[0069] Further, the adjacent steam outlet holes 13 are arranged on both sides inside the shell 10. The topmost steam heating chamber 102 is connected with a steam outlet valve nozzle 14, and the corresponding steam outlet valve nozzle 14 is provided with a temperature sensor 18. The water storage cavity 101 is connected with a water inlet valve nozzle 15.

[0070] In the embodiment, the water storage cavity 101 and the steam heating chamber 102 distributed vertically are heated by the steam heating assembly 12, the steam generator 1 has simple and compact structure and can reduce heat loss.

[0071] <Embodiment 2>

[0072] Further in combination with Figure 4 and Figure 6 , in the embodiment, the shell 10 is formed by the front partition plate 103 and the rear partition plate 104 based on the embodiment 1, the front partition plate 103 and the rear partition plate 104 are respectively provided with the bonding area in the length direction, and the bonding areas of the front partition plate 103 and the rear partition plate 104 are bonded to separate the water storage cavity 101 and the steam heating chamber 102.

[0073] The rear partition plate 104 comprises the bonding plane 1041 and the groove 1042 corresponding to the position of the steam outlet hole 13, the front partition plate 103 is provided with the protruding part 1031 protruding away from the rear partition plate 104, and the protruding part 1031 and the bonding plane 1041 of the rear partition plate 104 form the corresponding chamber.

[0074] In the embodiment, the water storage cavity 101 protrudes the steam heating chamber 102 in the length direction, and the water inlet valve nozzle 15 is connected to the protruding part 17.

[0075] Further, the steam generator assembly 11 and the steam heating assembly 12 in the embodiment are metal tubular heating elements, and the metal tubes are arranged in the chamber and fixed by penetrating the corresponding chamber at both ends.

[0076] In the embodiment, the shell 10 is formed by the front partition plate 103 and the rear partition plate 104, and the specific structure makes the whole device have the advantages of small volume, convenient installation and low cost.

[0077] <Embodiment 3>

[0078] Further in combination with Figure 7 , the embodiment provides a steam oven 2, which is based on the steam generator 1 in the embodiment 2 and further comprises a cooking box 21 and the like. The steam generator 1 is arranged on one side of the cooking box 21, specifically, on the inner side of the shell 24, the water storage cavity 101 of the steam generator 1 is connected to the water pump through the water inlet valve nozzle 15 and the water inlet pipeline 22, and the steam heating chamber 102 is connected to the cooking box 21 of the steam oven 2 through the steam outlet valve nozzle 14 and the steam pipeline 23.

[0079] Although the utility model has disclosed as above with examples, the above examples are not used to limit the utility model, ordinary skilled in the art can make various changes and decorations without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model is accurate with the range defined by the claims.

Claims

1. A steam generating device, characterized by, The steam generating device comprises a shell, a steam generating assembly and a steam heating assembly. The shell is internally provided with a water storage cavity and a steam heating cavity. The water storage cavity is arranged at the lower end of the steam heating cavity, and the upper end of the water storage cavity is provided with a steam outlet hole communicating with the steam heating cavity. The steam generating assembly is used for heating water in the water storage cavity to generate steam. The steam heating assembly is used for secondary heating of the steam rising into the steam heating cavity through the steam outlet hole.

2. The steam generating device according to claim 1, characterized in that, The steam heating assembly and the steam heating cavity are each provided with multiple groups and are arranged one by one in correspondence.

3. The steam generating device according to claim 2, wherein The two steam outlet holes are arranged at the two ends of the shell, respectively.

4. The steam generating device according to claim 2, wherein The steam heating cavity is provided with a steam outlet valve nozzle, and the steam outlet valve nozzle is connected with a temperature sensor. The steam heating assembly is arranged in parallel and adjusts the working state based on the temperature detected by the temperature sensor.

5. The steam generating device according to any one of claims 1 to 4, characterized in that, The shell comprises a front partition plate and a rear partition plate. The front partition plate and the rear partition plate are respectively provided with a fitting area in the length direction. The fitting areas of the front partition plate and the rear partition plate are fitted to separate the water storage cavity and the steam heating cavity.

6. The steam generating device according to claim 5, wherein The rear partition plate comprises a fitting plane and a groove recessed away from the front partition plate on the side opposite to the fitting plane. The groove is arranged in the length direction of the fitting area of the front partition plate and the rear partition plate, and the groove and the front partition plate form the steam outlet hole.

7. The steam generating device of claim 6, wherein, The non-fitting area of the front partition plate is provided with a protruding portion protruding away from the rear partition plate. The protruding portion and the rear partition plate form the water storage cavity and the steam heating cavity.

8. The steam generating device of claim 7, wherein, The front partition plate is provided with a fixing structure for fixing the steam generating assembly and the steam heating assembly, respectively. The fixing structure is arranged on the water storage cavity and the steam heating cavity.

9. The steam generating device of claim 7, wherein, The steam generating assembly and the steam heating assembly are both metal tubular heating elements arranged on the protruding portion of the front partition plate.

10. The steam generating device of claim 1, wherein, The water storage cavity at least partially protrudes the steam heating cavity in the length direction, and the protruding portion of the water storage cavity is connected with a water inlet valve nozzle.

11. The steam generating device of claim 1, wherein, The volume of the water storage cavity is greater than that of the steam heating cavity.

12. A cooking appliance characterized by, The steam generating device comprises the steam generating device according to any one of claims 1-11.

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