Steam generator and steam curing appliance

Abstract

The steam generator comprises a shell, the shell comprises a spiral groove, the spiral groove is formed in the top face of the shell, and the spiral groove comprises a spiral inner end and a spiral outer end; the steam pipe is connected with the spiral outer end; the water inlet pipe is connected with the spiral inner end; the heating pipe is arranged in the shell, and the projection of the heating pipe on the top surface at least coincides with the spiral groove of the outer ring. Water can be gradually heated when flowing in the spiral groove through the spiral groove until the outer ring reaches a high temperature and generates steam, the heating pipe ensures that heat generated by the heating pipe can be efficiently transmitted to the water in the spiral groove, and especially in the outer ring area where the steam is mainly generated, the heat can be effectively transmitted to the water in the spiral groove. Therefore, uniform distribution and full utilization of heat are realized, direct discharge of steam is facilitated, heat loss is reduced, and heat utilization and transfer efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam equipment technical field especially relates to a steam generator and steam health preserving appliance. BACKGROUND

[0002] In the prior art, health preserving kettle as a kind of combination traditional boiling mode and modern health concept household appliance, its design and function increasingly diversification. Among them, the mode of using steam to heat kettle body is widely used in health preserving kettle product because it can effectively avoid heating element direct contact kettle body, reduce thermal stress damage to kettle body, and better retain the nutrient components in water.

[0003] At present, steam heating technology on the market is mainly realized by the following several ways:

[0004] 1. Spiral heating pipe overall heating technology: as shown in CN218328090U, the technology adopts spiral heating pipe to heat water tray as a whole, and generates steam through uniform heat transfer. Although this method can realize relatively uniform heating, since heating pipe directly acts on the bottom of water tray, part of heat may be lost directly through water tray, resulting in low heat utilization efficiency.

[0005] 2. Water pipe and heating pipe axial spiral combination technology: as shown in CN217772079U, the technology designs water pipe and heating pipe as spiral arrangement along the same axis. Although this design improves heat exchange efficiency to some extent, since the spiral structures of heating pipe and water pipe are relatively independent, heat transfer path is relatively long, and there may be the problem of uneven heat distribution.

[0006] 3. Steam pipe and heating pipe plane spiral corresponding technology: as shown in CN113892837A, the technology realizes heat transfer and steam generation through spiral corresponding arrangement of steam pipe and heating pipe on plane. However, this design is often limited by plane layout, it is difficult to fully optimize heat distribution, and steam generation efficiency may be affected by plane space limitation. INVENTION CONTENTS

[0007] In order to overcome at least one defect of the prior art described above, the utility model provides a steam generator and steam health preserving appliance. It can solve the problem of low heat utilization efficiency.

[0008] The technical scheme adopted by the utility model to solve the problem is:

[0009] A steam generator comprises a shell, the shell comprising: a spiral groove provided on a top surface of the shell, the spiral groove comprising an inner spiral end and an outer spiral end; a steam pipe connected with the outer spiral end; a water inlet pipe connected with the inner spiral end; and a heating pipe arranged inside the shell, and a projection of the heating pipe on the top surface at least coincides with the spiral groove of the outer circle.

[0010] By adopting the above scheme, the spiral groove enables the water to be gradually heated when flowing in the spiral groove, until a high temperature is reached at the outer circle and steam is generated, and the heating pipe ensures that the heat generated by the heating pipe can be efficiently transferred to the water in the spiral groove, especially in the outer circle area where steam is mainly generated, thereby achieving uniform distribution and full utilization of heat, facilitating direct discharge of steam, reducing heat loss, and improving heat utilization and transmission efficiency.

[0011] Further, the steam pipe penetrates out of the side wall of the shell.

[0012] By adopting the above scheme, the steam is facilitated to be discharged and the pipeline is facilitated to be arranged.

[0013] Further, the water inlet pipe penetrates out of the bottom wall of the shell.

[0014] By adopting the above scheme, interference with the steam pipe is avoided, and connection with a water source is facilitated.

[0015] Further, a positioning screw hole is arranged at the center of the top surface of the shell, a positioning screw is arranged in the positioning screw hole, and the spiral groove and the water inlet pipe are arranged away from the positioning screw hole.

[0016] By adopting the above scheme, the steam generator is facilitated to be fixed or connected with other components, and the structural integrity and functionality are ensured.

[0017] Further, the spiral groove surrounds the positioning screw hole counterclockwise.

[0018] By adopting the above scheme, the direction of natural water flow is met, and the heating efficiency is improved.

[0019] Further, the spiral grooves are arranged at equal intervals.

[0020] By adopting the above scheme, the uniformity of heat transmission is improved.

[0021] Further, the interval width between the spiral grooves is smaller than the width of the spiral grooves.

[0022] By adopting the above scheme, heat concentration and steam generation are facilitated.

[0023] Further, a convex ring protruding towards the bottom surface is arranged along the outer edge of the bottom surface of the shell, the convex ring is provided with a fracture, the heating pipe is arranged in the convex ring, and two ends of the heating pipe respectively pass out from two sides of the fracture.

[0024] By adopting the above scheme, the installation and dismounting of the heating pipe are facilitated.

[0025] Further, the side wall of the shell is provided with a plurality of fixing plate members, and the fixing plate members are arranged at equal intervals in the circumferential direction of the shell.

[0026] By adopting the above scheme, the steam generator can be used for fixing or connecting with other components, and the stability and reliability of the structure are improved.

[0027] A steam health-care appliance comprises a base, a container and a steam generator located in the base, the base is provided with a container placing position, and the shell is located below the container placing position.

[0028] By adopting the above scheme, uniform distribution and full utilization of heat are realized, heat utilization and transmission efficiency are improved, and the health-care appliance is heated more uniformly.

[0029] In summary, the steam generator and the steam health-care appliance provided by the utility model have the following technical effects:

[0030] 1. By arranging the heating pipe in the shell and ensuring that the projection of the heating pipe at least coincides with the spiral groove of the outer ring, the heat generated by the heating pipe can be efficiently transmitted to the water in the spiral groove. This design avoids the problem of heat being directly lost through the water tray, thereby improving the utilization efficiency of heat;

[0031] 2. The design of the spiral groove allows the water to gradually heat up during the flow process until a high temperature is reached in the outer ring and steam is generated. This gradual heating process helps to achieve uniform distribution of heat and avoids uneven distribution of heat;

[0032] 3. Steam is mainly generated in the outer ring area of the spiral groove, which is conducive to the direct discharge of steam. At the same time, the design of the spiral groove also helps to increase the contact area between the water and the heating pipe, thereby further improving the efficiency of steam generation;

[0033] 4. Due to the close cooperation between the heating pipe and the spiral groove, as well as the gradual heating characteristics of the spiral groove, the steam generator can reduce the invalid loss of heat. This design allows more heat to be used to heat water and generate steam, rather than being lost through other means;

[0034] 5. The compact design of components such as the spiral groove, the steam pipe, the water inlet pipe and the heating pipe makes the entire steam generator structure compact and occupies a small space. At the same time, this design also helps to simplify the maintenance and cleaning process. Attached Figure Description

[0035] Figure 1 This is a three-dimensional structural diagram of the steam health care appliance according to an embodiment of the present utility model;

[0036] Figure 2 This is a schematic diagram of the base structure of the steam health appliance according to an embodiment of the present utility model;

[0037] Figure 3 This is a schematic diagram of the disassembly structure of the base of the auto maintenance appliance according to an embodiment of the present utility model;

[0038] Figure 4 This is a three-dimensional structural diagram of the shell according to an embodiment of the present utility model;

[0039] Figure 5 This is a schematic diagram of the front structure of the housing according to an embodiment of the present utility model;

[0040] Figure 6 This is a schematic diagram of the back structure of the housing according to an embodiment of the present utility model;

[0041] Figure 7 This is a schematic diagram of a partial explosion of the back of the casing in an embodiment of this utility model.

[0042] The meanings of the reference numerals in the attached drawings are as follows: 1. Shell; 11. Top surface; 111. Locating screw hole; 112. Locating screw; 12. Bottom surface; 13. Raised ring; 131. Break; 14. Side wall; 2. Spiral groove; 21. Inner end of spiral; 22. Outer end of spiral; 3. Steam pipe; 4. Water inlet pipe; 5. Heating pipe; 6. Fixing plate; 7. Base; 71. Container placement position; 8. Container. Detailed Implementation

[0043] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described and discussed below with reference to the accompanying drawings. Obviously, what is described here is only a part of the examples of this invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the protection scope of this invention.

[0044] To facilitate understanding of the embodiments of this utility model, further explanations and descriptions will be provided below with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this utility model.

[0045] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0047] Embodiment 1 of the utility model refers to Figures 1-7 As shown in the figure, a kind of steam generator is disclosed, including shell 1, steam pipe 3, water inlet pipe 4 and heating pipe 5, the shell 1 has top surface 11 and bottom surface 12 opposite to top surface 11, the top surface 11 of the shell 1 is provided with helical groove 2, the helical groove 2 includes helical inner end 21 and helical outer end 22, the helical inner end 21 is located in the position of opposite center of the shell 1, the helical outer end 22 is located in the position of opposite edge of the shell 1, preferably, the shell 1 adopts discoid, square discoid or multilateral discoid, can have space to set helical groove 2, in this embodiment 1, the shell 1 adopts discoid, the helical inner end 21 is located at the center or approximate center of the shell 1, the helical outer end 22 is set at the circumference of the discoid, the steam pipe 3 enters from the side wall 14 of shell 1 and is connected with the helical outer end 22, to facilitate the export of steam and the arrangement of pipeline.The water inlet pipe 4 enters from the bottom surface 12 of shell 1 and is connected with the helical inner end 21, to avoid mutual interference with steam pipe 3, while facilitating the connection of water source.The heating pipe 5 is arranged in the shell 1, and the projection of the heating pipe 5 on top surface 11 at least coincides with the helical groove 2 of outer ring.Thus, helical groove 2 enables water to gradually heat when flowing in helical groove 2, until reaching high temperature in outer ring and generating steam, and heating pipe 5 ensures that the heat generated by heating pipe 5 can be efficiently transferred to water in helical groove 2, especially in the outer ring area where steam is mainly generated, so as to realize uniform distribution and full utilization of heat, facilitate direct discharge of steam, reduce heat loss, improve heat utilization and transmission efficiency.

[0048] Optionally, in order to improve the positioning and installation stability of the shell 1, a positioning screw hole 111 is arranged at the center of the top surface 11 of the shell 1, a positioning screw 112 is arranged in the positioning screw hole 111, the spiral groove 2 and the water inlet pipe 4 are arranged away from the positioning screw hole 111, so that the steam generator or other components can be fixed, and the structural integrity and functionality are ensured.

[0049] Optionally, in order to further improve the stability of the shell 1 on the basis of positioning, a plurality of fixing plate members 6 are arranged on the side wall 14 of the shell 1, and the fixing plate members 6 are arranged at equal intervals in the circumferential direction of the shell 1. The fixing plate member 6 is preferably a mounting ear, which can be used to fix the steam generator or connect with other components, so as to improve the stability and reliability of the structure.

[0050] In the embodiment 1, preferably, the spiral groove 2 is counterclockwise around the positioning screw hole 111, which conforms to the direction of natural water flow, and improves the heating efficiency. Of course, in other embodiments, the spiral groove 2 can also be designed to clockwise. Preferably, the spiral grooves 2 of each layer are arranged at equal intervals, so that the uniform distribution of water flow in the spiral groove 2 can be ensured, and the uniformity of heat transfer is improved. At the same time, the interval width between the spiral grooves 2 of each layer is smaller than the width of the spiral groove 2 of each layer, which is beneficial to the concentration of heat and the generation of steam.

[0051] Optionally, in order to ensure the smooth installation of the heating pipe 5 while reducing the volume of the shell 1, a convex ring 13 protruding towards the bottom surface 12 is arranged on the bottom surface 12 of the shell 1 along the outer edge, the convex ring 13 is provided with a break 131, the heating pipe 5 is arranged in the convex ring 13, and the two ends of the heating pipe 5 respectively pass out from the two sides of the break 131. Preferably, the direction in which the heating end passes out is parallel, which is more conducive to connecting the power supply.

[0052] The utility model also relates to a kind of steam health-care appliance, including base 7, container 8 and located in base 7 a kind of steam generator, the base 7 is provided with container placing site 71, the container 8 is placed in the container placing site 71, the shell 1 is located below the container placing site 71, steam is discharged by steam pipe 3 to the container 8 is heated at intervals, avoid the serious problem of plastic smell caused by heater direct heating.In the embodiment 1, the container 8 is health-care kettle. Shell 1 realizes the uniform distribution of heat and fully utilizes, improves heat utilization and transmission efficiency, so that health-care appliance is heated more evenly.

[0053] In summary, the steam generator and the steam health-care appliance provided by the utility model have the following technical effects:

[0054] 1. By placing the heating tube 5 inside the housing 1 and ensuring that its projection coincides with the spiral groove 2 of the outer ring, the heat generated by the heating tube 5 can be efficiently transferred to the water in the spiral groove 2. This design avoids the problem of heat being directly lost through the water tray, thereby improving the efficiency of heat utilization;

[0055] 2. The design of the spiral groove 2 allows the water to gradually heat up during the flow process until a high temperature is reached in the outer ring and steam is generated. This gradual heating process helps to achieve uniform heat distribution and avoids uneven heat distribution;

[0056] 3. Steam is mainly generated in the outer ring area of the spiral groove 2, which is beneficial for direct steam discharge. At the same time, the design of the spiral groove 2 also helps to increase the contact area between the water and the heating tube 5, thereby further improving the efficiency of steam generation;

[0057] 4. Due to the close fit of the heating tube 5 with the spiral groove 2 and the gradual heating characteristics of the spiral groove 2, the steam generator can reduce the invalid loss of heat. This design allows more heat to be used to heat water and generate steam, rather than being lost through other means;

[0058] 5. The compact design of components such as the spiral groove 2, steam pipe 3, water inlet pipe 4 and heating tube 5 makes the entire steam generator structure compact and occupies less space. At the same time, this design also helps to simplify the maintenance and cleaning process.

[0059] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above-mentioned embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for ordinary technical personnel in the technical field, without departing from the principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A steam generator, characterized in that, Includes a housing (1), said housing (1) comprising: A spiral groove (2) is provided on the top surface (11) of the housing (1). The spiral groove (2) includes an inner spiral end (21) and an outer spiral end (22). Steam pipe (3), the steam pipe (3) is connected to the outer end (22) of the spiral; Water inlet pipe (4), which is connected to the inner end (21) of the spiral; A heating tube (5) is disposed inside the housing (1), and the projection of the heating tube (5) on the top surface (11) at least coincides with the spiral groove (2) of the outer ring.

2. A steam generator according to claim 1, characterized in that, The steam pipe (3) extends from the side wall (14) of the housing (1).

3. A steam generator according to claim 1, characterized in that, The water inlet pipe (4) extends from the bottom wall of the housing (1).

4. A steam generator according to claim 1, characterized in that, A positioning screw hole (111) is provided in the center of the top surface (11) of the housing (1), and a positioning screw (112) is provided in the positioning screw hole (111). The spiral groove (2) and the water inlet pipe (4) are arranged to avoid the positioning screw hole (111).

5. A steam generator according to claim 4, characterized in that, The spiral groove (2) rotates counterclockwise around the positioning screw hole (111).

6. A steam generator according to claim 1, characterized in that, The spiral grooves (2) in each layer are equally spaced.

7. A steam generator according to claim 6, characterized in that, The spacing between each layer of the spiral grooves (2) is less than the width of each layer of the spiral grooves (2).

8. A steam generator according to claim 1, characterized in that, The bottom surface (12) of the housing (1) is provided with a protruding ring (13) protruding towards the bottom surface (12) along the outer edge. The protruding ring (13) is provided with a break (131). The heating tube (5) is disposed inside the protruding ring (13), and the two ends of the heating tube (5) pass through the two sides of the break (131) respectively.

9. A steam generator according to claim 1, characterized in that, The sidewall (14) of the housing (1) is provided with a plurality of fixing plates (6), which are equally spaced along the circumference of the housing (1).

10. A steam health care appliance, characterized in that, The device includes a base (7), a container (8), and a steam generator as described in any one of claims 1-9 located within the base (7), wherein the base (7) is provided with a container placement position (71), and the housing (1) is located below the container placement position (71).

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