Evaporation assembly and steam box

By designing a combination of deformation disk and thermal disk in the steamer, using state transition and ventilation hole design, the problem of scale accumulation in the evaporation disk is solved, and the rapid scale removal without acidic cleaners is achieved, which improves steam generation efficiency and evaporation The service life of the disc.

CN222149661UActive Publication Date: 2024-12-13NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Application Number
CN202420095232.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-15
Publication Date
2024-12-13
Estimated Expiration
2034-01-15

AI Technical Summary

Technical Problem

The steamer evaporation tray is prone to accumulate scale after long use, which affects the working efficiency and is difficult to remove scale, resulting in a long descaling time and the need for acidic chemicals, which increases the risk of corrosion on the surface of the evaporation tray.

Method used

Design an evaporation assembly including a deformation disk and a thermal conduction disk. When the deformation disk is heated, the state of the deformation disk is changed, the spacing with the thermal conduction disk is reduced, the heating efficiency is improved, and the scale is extruded, broken and desorbed through the deformation cavity and ventilation hole design. Users Scale can be removed by simple wiping, avoiding the use of acidic cleaners.

Benefits of technology

Increases steam generation speed, simplifies scale removal process, reduces descaling time and corrosion risk to the surface of the evaporating disk.

✦ Generated by Eureka AI based on patent content.

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Abstract

The evaporation assembly comprises a deformation disc and a heat conduction disc which are oppositely arranged, and the deformation disc has a first state and a second state; when the deformation disc is in a first state, the distance between the middle part of the deformation disc and the middle part of the heat conduction disc is d1, and the distance between the edge of the deformation disc and the edge of the heat conduction disc is d3; when the deformation disc is in the second state, the distance between the middle part of the deformation disc and the middle part of the heat conduction disc is d2, and the distance between the edge of the deformation disc and the edge of the heat conduction disc is d4; after the deformation disc absorbs heat and deforms, the first state is converted into the second state; wherein d1 is greater than d2, and d1-d2 is greater than d3-d4. After the deformation disc is heated, the middle part of the deformation disc can generate enough deformation and move towards the middle part of the heat conduction disc, the heating efficiency of the heat conduction disc on the deformation disc is improved, the subsequent cooling recovery action enables scale on the surface of the deformation disc to be extruded, broken and desorbed, and therefore a user can remove the scale only through simple wiping.
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Description

Technical Field

[0001] The utility model relates to the field of steam boxes, in particular to an evaporation component and a steam box. Background Art

[0002] The steamer's evaporator heats the liquid water on its surface, gradually forming steam inside the steamer. Therefore, after the evaporator has been working for a long time, scale will gradually accumulate on its surface. Since scale has poor thermal conductivity, it will gradually affect the working efficiency of the evaporator. In addition, scale will also corrode the surface of the evaporator, causing the surface of the evaporator to rust.

[0003] In order to reduce the impact of scale, the surface of the evaporator is sprayed with a coating that is not easy to adhere to scale, such as porcelain. However, for some areas with hard water, the anti-adhesion effect of the coating is limited, and scale will still stubbornly adhere to the coating and is difficult to remove. As the evaporator is used for a longer time, the coating will gradually fall off the evaporator.

[0004] In this case, users are usually required to use acidic chemicals such as citric acid for descaling on a regular basis. Since scale generally adheres to the surface of the evaporator, the contact area with the acidic chemicals is limited, which reduces the reaction speed and increases the descaling time. Utility Model Content

[0005] Based on this, it is necessary to provide an evaporation component and a steam box to address the problem that the descaling time of the evaporation plate is long.

[0006] An evaporation assembly comprises a deformation disk and a heat-conducting disk arranged opposite to each other, wherein the deformation disk has a first state and a second state;

[0007] When the deformation disk is in the first state, the distance between the middle part of the deformation disk and the middle part of the heat conducting disk is d1, and the distance between the edge of the deformation disk and the edge of the heat conducting disk is d3; when the deformation disk is in the second state, the distance between the middle part of the deformation disk and the middle part of the heat conducting disk is d2, and the distance between the edge of the deformation disk and the edge of the heat conducting disk is d4;

[0008] When the deformation disk absorbs heat and deforms, it is converted from the first state to the second state;

[0009] Among them, d1>d2, and d1-d2>d3-d4.

[0010] The edge of the deformation plate of the utility model is at least partially in contact with the edge of the heat conducting plate.

[0011] The utility model also comprises a sealing ring, which is sleeved at the edge joint of the deformation disk and the heat conduction disk.

[0012] In the utility model, when the deformable disk is in the second state, the middle portion of the deformable disk and the middle portion of the heat conducting disk are at least partially in contact with each other.

[0013] The heat conducting plate of the utility model is provided with a vent hole. When the deformable plate is in the first state, the deformable plate and the heat conducting plate surround to form a deformable cavity, and the vent hole is connected to the deformable cavity.

[0014] In the utility model, a side of the deformable disk facing away from the heat conducting disk is an evaporation surface. When the deformable disk is in a first state, the evaporation surface is a plane.

[0015] The side of the heat conducting plate facing the deformation plate of the utility model is a heating surface, and the middle part of the heating surface is recessed in a direction away from the deformation plate to form an avoidance groove.

[0016] The portion of the heating surface located outside the avoidance groove of the utility model is a plane and is in contact with the deformation disk.

[0017] The material of the deformation disk of the utility model is nickel-titanium alloy.

[0018] A steam box comprises a box body and an evaporation component, wherein the evaporation component is arranged on the inner wall of the box body.

[0019] In the utility model, a step is formed between the inner wall of the box body and the deformation disk.

[0020] The beneficial effects of the utility model are:

[0021] Under the conditions of d1>d2, and d1-d2>d3-d4, the middle part of the deformation disk can produce sufficient deformation after being heated and move toward the middle part of the heat transfer disk, reducing the distance between the deformation disk and the heat transfer disk, thereby improving the heating efficiency of the heat transfer disk to the deformation disk, and then increasing the steam generation speed. On the basis of the deformation disk producing sufficient deformation due to heating, the subsequent cooling and recovery action will be more intense, so that the scale on its surface will be squeezed, crushed and desorbed, so that the user only needs to wipe it to remove the scale, reducing the time required for descaling, and no acidic cleaner is needed, reducing corrosion to the surface of the deformation disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the steam box in the embodiment of the utility model;

[0023] Figure 2 The three-dimensional structure of the evaporation component in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 3 The three-dimensional structure of the evaporation component in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0025] Figure 4 Schematic diagram of the cross-sectional structure of the evaporation component in the embodiment of the utility model (first state);

[0026] Figure 5 Schematic diagram of the cross-sectional structure of the evaporation component in the embodiment of the utility model (second state);

[0027] Figure 6 The figure is a schematic diagram of the three-dimensional structure of the heat conducting plate in the embodiment of the utility model.

[0028] Reference numerals:

[0029] 1. Box body; 2. Evaporation assembly; 21. Deformation disk; 211. Evaporation surface; 22. Heat transfer disk; 221. Heating surface; 222. Avoidance groove; 23. Deformation cavity; 24. Sealing ring; 3. Step. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0036] Example:

[0037] See also Figure 1 This embodiment provides a steamer, including a box body 1 and an evaporation component 2. The evaporation component 2 is arranged on the inner wall of the box body 1. Liquid water is placed on the evaporation component 2. The evaporation component 2 heats the liquid water to generate steam inside the box body 1.

[0038] See also Figure 2-Figure 5 Specifically, the evaporation assembly 2 of this embodiment includes a deformation disk 21 and a heat conducting disk 22 arranged opposite to each other in a first direction, wherein the deformation disk 21 is located above the heat conducting disk 22. A heater is provided on the side of the heat conducting disk 22 away from the deformation disk 21, and the side of the heat conducting disk 22 facing the deformation disk 21 is a heating surface 221. The side of the deformation disk 21 away from the heat conducting disk 22 is an evaporation surface 211, and liquid water is placed on the evaporation surface 211. The heater heats the heat conducting disk 22, and the heating surface 221 conducts the heat to the deformation disk 21, thereby evaporating the liquid water on the evaporation surface 211 to form water vapor.

[0039] The deformation disk 21 has a first state and a second state. When the deformation disk 21 absorbs heat, it will deform and then convert from the first state to the second state. When the deformation disk 21 cools down, it will recover and recover from the second state to the first state. In order to enable the deformation disk 21 to switch between the first state and the second state for a long time, the material of the deformation disk 21 of this embodiment is a nickel-titanium alloy with a good memory effect. In addition, the nickel-titanium alloy also has good thermal conductivity. During the operation of the heater, the heating surface 221 can transfer heat to the deformation disk 21 more quickly, which can not only promote the deformation disk 21 to convert from the first state to the second state more quickly, but also accelerate the generation of steam and reduce the cooking time. After the heater stops working, the deformation disk 21 can also dissipate heat more quickly, thereby quickly recovering from the second state to the first state, reducing the time that the deformation disk 21 is in the deformation state, and reducing the fatigue damage of the deformation disk 21.

[0040] In this embodiment, the heat conducting plate 22 is fixed on the inner wall of the box body 1, and it hardly deforms on the box body 1 after being heated, while the deformation plate 21 can move on the box body 1 by deformation. The deformation plate 21 can be in contact with the heat conducting plate 22, or it can be out of contact with the heat conducting plate 22. If the deformation plate 21 is not in contact with the heat conducting plate 22, the heat conducting plate 22 can conduct heat to the deformation plate 21 by relying on the air between the deformation plate 21 and the deformation plate 21.

[0041] The working principle of the deformation disk 21 is as follows: after the deformation disk 21 is heated, the middle part thereof is deformed toward the heat transfer disk 22 (converted from the first state to the second state). At this time, the middle part of the evaporation surface 211 is not only deformed but also the distance between it and the heat transfer disk 22 is reduced. The heat conduction efficiency of the heat transfer disk 22 to the evaporation surface 211 is improved, thereby improving the steam generation efficiency at the evaporation surface 211. In this process, scale is gradually generated and adhered to the evaporation surface 211. After the heater on the heat transfer disk 22 stops working, the heat transfer disk 22 gradually stops transmitting heat to the deformation disk 21, and the evaporation surface 211 gradually recovers (converted from the second state to the first state). The recovery process of the evaporation surface 211 is also deformed, thereby causing the scale on the evaporation surface 211 to be squeezed and crushed against each other, thereby causing the scale to be in the form of fragments or particles and to be desorbed from the evaporation surface 211. Then the user only needs to wipe it briefly to quickly remove the scale from the evaporation surface 211, without the need for the user to use other acidic cleaners.

[0042] When the deformation disk 21 is in the first state, the distance between the middle part of the deformation disk 21 and the middle part of the heat-conducting disk 22 is d1, and the distance between the edge of the deformation disk 21 and the edge of the heat-conducting disk 22 is d3. When the deformation disk 21 is in the second state, the distance between the middle part of the deformation disk 21 and the middle part of the heat-conducting disk 22 is d2, and the distance between the edge of the deformation disk 21 and the edge of the heat-conducting disk 22 is d4. From the above analysis, it can be seen that the middle part of the deformation disk 21 and the middle part of the heat-conducting disk 22 have a larger distance in the first state, so d1>d2. During the deformation process of the deformation disk 21, its edge can move along the first direction on the box body 1 (i.e. d3≠d4), or it can not move along the first direction (i.e. d3=d4).

[0043] If the edge of the deformation disk 21 deforms and moves away from the heat conducting disk 22 after absorbing heat, that is, d4>d3, since the middle part of the deformation disk 21 deforms and moves toward the middle part of the heat conducting disk 22, the deformation of the edge and the middle part of the deformation disk 21 increases the distance between them, and the deformation movement of the edge of the deformation disk 21 further aggravates the overall deformation of the deformation disk 21, and the deformation amount of the deformation disk 21 after being heated increases. Accordingly, the scale is more likely to be squeezed and crushed during the subsequent heat release and recovery process of the deformation disk 21. At this time, d3-d4<0.

[0044] If the edge of the deformable disk 21 does not deform or move after absorbing heat, that is, d3=d4, the middle part of the deformable disk 21 deforms and moves normally toward the middle part of the heat transfer disk 22 to squeeze and crush the scale in the subsequent recovery process.

[0045] If the edge of the deformation disk 21 moves toward the heat transfer disk 22 after absorbing heat, that is, d4<d3, and the middle part of the deformation disk 21 also moves toward the middle part of the heat transfer disk 22, then the deformation movement of the edge of the deformation disk 21 will cause the deformation of the middle part of the deformation disk 21 to be reduced or even non-deformed. At this time, in order to ensure that the middle part of the deformation disk 21 can produce enough deformation to ensure the squeezing effect on the scale in the subsequent recovery process, it is necessary to satisfy d1-d2>d3-d4, that is, the displacement of the edge of the deformation disk 21 after absorbing heat needs to be less than the displacement of the middle part.

[0046] In summary, by satisfying the two conditions of d1>d2 and d1-d2>d3-d4, the working principle of the deformation disk 21 in the present embodiment can be realized.

[0047] It is easy to think that if the middle part and the edge of the deformation disk 21 can move on the box body 1, although it does not affect the realization of the working principle of the deformation disk 21 in this embodiment, it is not conducive to the precise control of the deformation action of the deformation disk 21, and the deformation action performed by the deformation disk 21 each time it is heated may be quite different. For this reason, in this embodiment, the edge of the deformation disk 21 and the edge of the heat-conducting disk 22 are at least partially in contact, and accordingly, d3=d4=0 at at least part of the edge of the deformation disk 21. Thereby, the deformation movement at the edge of the deformation disk 21 is limited, and the deformation of the deformation disk 21 is concentrated in the middle part. In addition, the direct contact between the deformation disk 21 and the heat-conducting disk 22 also enables the heat-conducting disk 22 to transfer heat to the deformation disk 21 more quickly. The overlapped edge form allows the heat conducting plate 22 to completely cover the side of the deformation plate 21 that faces the heat conducting plate 22. In addition to the form of direct heat conduction through edge contact, when there is air between the middle part of the heat conducting plate 22 and the middle part of the deformation plate 21, the middle part of the heat conducting plate 22 can also conduct heat to the middle part of the deformation plate 21 through the air, thereby allowing the entire deformation plate 21 to be heated evenly. The edge contact between the deformation plate 21 and the heat conducting plate 22 also allows the heat generated by the heat conducting plate 22 to be mainly limited to the deformation plate 21, and less heat is conducted to the outside of the edge of the deformation plate 21. The deformation plate 21 can fully absorb the heat transmitted by the heat conducting plate 22, thereby reducing heat waste.

[0048] Furthermore, since the edge of the deformation disk 21 in this embodiment is always in contact with the edge of the heat conducting disk 22 before and after deformation, in order to allow the middle portion of the deformation disk 21 to have sufficient escape space when in the first state so as to deform when subsequently heated and converted to the second state, the middle portion of the heating surface 221 in this embodiment is recessed in a direction away from the deformation disk 21 to form an escape groove 222 (see Figure 6 ), when the deformation disk 21 is in the first state, the deformation disk 21 covers the avoidance groove 222, so that the deformation disk 21 and the heat conducting disk 22 are surrounded to form a deformation cavity 23, and the avoidance groove 222 avoids the deformation process of the middle part of the deformation disk 21. Accordingly, the middle part of the deformation disk 21 will enter the avoidance groove 222 when it is deformed by heat, so that the volume of the deformation cavity 23 will gradually shrink.

[0049] When the deformation disk 21 is in the second state, preferably, the middle part of the deformation disk 21 and the middle part of the heat-conducting disk 22 are at least partially in contact, for example, completely in contact. When the middle part of the deformation disk 21 and the middle part of the heat-conducting disk 22 are completely in contact, the volume of the deformation cavity 23 becomes 0. At this time, the middle part of the heat-conducting disk 22 can completely rely on the contact with the middle part of the deformation disk 21 to achieve direct heat conduction, maximizing the heat conduction efficiency of the heat-conducting disk 22 to the deformation disk 21. To this end, the air in the deformation cavity 23 needs to be gradually discharged during the deformation movement of the middle part of the deformation disk 21 toward the heat-conducting disk 22. To this end, in this embodiment, a vent is provided on the heat-conducting disk 22, and the vent is connected to the deformation cavity 23. The air inside the deformation cavity 23 can be discharged through the vent during the volume reduction process of the deformation cavity 23, and the outside air can also gradually enter the deformation cavity 23 through the vent during the gradual recovery and increase of the volume of the deformation cavity 23, so as to ensure that the air pressure in the deformation cavity 23 is always constant. The vent holes are arranged on the heat conducting plate 22 instead of the deformation plate 21 , thereby preventing the liquid water on the evaporation surface 211 from entering the deformation cavity 23 through the vent holes, causing water accumulation inside the deformation cavity 23 .

[0050] The middle part of the deformation disk 21 is less bent in the first state, and is more bent in the second state. The liquid water is poured onto the evaporation surface 211 when the deformation disk 21 is in the first state. In order to prevent the liquid water from spreading to the outside of the evaporation surface 211 just after being poured onto the evaporation surface 211, a step 3 can be formed between the inner wall of the box body 1 and the evaporation surface 211. The step 3 provides a height difference so that the liquid water on the evaporation surface 211 will not overflow to the inner wall of the box body 1, thereby limiting the liquid water to the evaporation surface 211 at all times.

[0051] After the deformation disk 21 changes from the second state to the first state, the scale on the evaporation surface 211 breaks and desorbs, and the temperature of the deformation disk 21 begins to drop. Only then will the user wipe the evaporation surface 211 to remove the scale. If the evaporation surface 211 still has an arc at this time, the arc position may form a cleaning dead corner during the wiping process, and thus some scale may remain at the arc. In order to avoid the above situation, in this embodiment, when the deformation disk 21 is in the first state, the evaporation surface 211 is set to be a plane.

[0052] Accordingly, the edge of the evaporation surface 211 is a plane before and after heating, while the middle part thereof bends and deforms toward the heat conducting plate 22 after heating. Based on this feature, the portion of the heating surface 221 outside the avoidance groove 222 in this embodiment is also a plane, and fits with the bottom edge of the deformation plate 21, so that the deformation plate 21 and the heat conducting plate 22 always form a surface contact at the edge. Accordingly, the heat conducting plate 22 can directly transfer heat to the deformation plate 21 when it is first heated, thereby increasing the initial heating rate of the deformation plate 21, so that the middle part of the deformation plate 21 can deform at a faster speed, thereby achieving faster fit with the middle part of the heating surface 221 (i.e., the inner wall of the avoidance groove 222).

[0053] Further preferably, the evaporation assembly 2 further includes a sealing ring 24, which is sleeved at the edge of the deformation disk 21 and the edge of the heat-conducting disk 22. Since the edge of the deformation disk 21 and the edge of the heat-conducting disk 22 form a surface contact, the sealing ring 24 can better achieve the sealing effect of the edge of the deformation disk 21 and the edge of the heat-conducting disk 22, and play a role in fixing the deformation disk 21 and the heat-conducting disk 22, effectively suppressing the thermal deformation at the edge of the deformation disk 21.

[0054] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0055] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An evaporation component, characterized in that: It comprises a deformation disk and a heat-conducting disk which are arranged opposite to each other, and the deformation disk has a first state and a second state; When the deformation disk is in the first state, the distance between the middle part of the deformation disk and the middle part of the heat conducting disk is d1, and the distance between the edge of the deformation disk and the edge of the heat conducting disk is d3; when the deformation disk is in the second state, the distance between the middle part of the deformation disk and the middle part of the heat conducting disk is d2, and the distance between the edge of the deformation disk and the edge of the heat conducting disk is d4; When the deformation disk absorbs heat and deforms, it is converted from the first state to the second state; Among them, d1>d2, and d1-d2>d3-d4.

2. The evaporation assembly according to claim 1, characterized in that: The edge of the deformable plate and the edge of the heat conducting plate are at least partially in contact with each other.

3. The evaporation assembly according to claim 2, characterized in that: It also includes a sealing ring, which is sleeved at the edge where the deformation plate and the heat conduction plate are in contact.

4. The evaporation assembly according to claim 1, characterized in that: When the deformable disk is in the second state, the middle portion of the deformable disk and the middle portion of the heat conducting disk are at least partially in contact with each other.

5. The evaporation assembly according to claim 1, characterized in that: The heat conducting plate is provided with a vent hole. When the deformable plate is in the first state, the deformable plate and the heat conducting plate surround to form a deformable cavity, and the vent hole is connected to the deformable cavity.

6. The evaporation assembly according to claim 1, characterized in that: A surface of the deformable disk facing away from the heat conducting disk is an evaporation surface. When the deformable disk is in a first state, the evaporation surface is a plane.

7. The evaporation assembly according to claim 6, characterized in that: The side of the heat conducting plate facing the deformable plate is a heating surface, and the middle part of the heating surface is recessed in a direction away from the deformable plate to form an avoidance groove.

8. The evaporation assembly according to claim 7, characterized in that: The portion of the heating surface located outside the avoidance groove is a plane and fits with the deformation disk.

9. The evaporation assembly according to claim 1, characterized in that: The material of the deformation disk is nickel-titanium alloy.

10. A steamer, characterized in that: It comprises a box body and an evaporation component as claimed in any one of claims 1 to 9, wherein the evaporation component is arranged on the inner wall of the box body.

11. The steamer according to claim 10, characterized in that: A step is formed between the inner wall of the box body and the deformation disk.