Steam fryer

Abstract

The utility model provides a steam fryer which comprises a shell, a reflection cover, a heat insulation cover and a water storage container, a heat dissipation cavity is formed between the heat insulation cover and the reflection cover, a heating cavity is formed below the reflection cover, a heating piece is arranged in the heating cavity, and the heat dissipation cavity comprises a first heat dissipation cavity for cooling the reflection cover; at least part of the water storage container is arranged in the first heat dissipation cavity and at least part of the water storage container is connected with the reflecting cover, a heat supply opening is formed between the heating cavity and the first heat dissipation cavity, the water storage container is communicated with the heating cavity through a steam channel, the heating piece corresponds to the heat supply opening, and the water storage container covers the heat supply opening; therefore, the water storage container absorbs heat of the heating piece and the reflecting cover to generate steam. The water storage container is at least partially arranged in the first heat dissipation cavity and at least partially connected with the reflecting cover, the heating piece corresponds to the heat supply opening, the water storage container covers the heat supply opening, and the water storage container can absorb heat of the heating piece and heat of the reflecting cover at the same time, so that steam is generated after water is heated, and the reflecting cover can be cooled.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a steam fryer. Background Art

[0002] High-temperature steam has a great impact on food processing, mainly in improving the taste of food. In order to make the cooked food taste better, a steam fryer is used to heat and cook the food. The steam fryer injects water into the heating chamber, uses the natural evaporation of water to form steam, and flows into the heating chamber to heat the food. However, the cooking efficiency of water-injected cooking is low.

[0003] The existing steam fryer adds a steam generator, uses a heating element to heat the air in the heating cavity, and at the same time, water is heated to generate steam and continues to be heated on the surface of the heating element to form steam, and a fan blows the hot air to the food in the heating cavity to heat the food. However, since the steam generator is usually arranged in the head cavity of the steam fryer, the additional steam generator will not only increase the power of the steam fryer, but also generate additional heat, which is not conducive to the heat dissipation in the head. Utility Model Content

[0004] The purpose of the embodiment of the present application is to provide a steam fryer, in which a water storage container is at least partially arranged in a first heat dissipation chamber. The water storage container can absorb the heat of the heating element while absorbing the heat of the reflective cover, so that steam is generated after the water is heated to cook the food, thereby further improving the heat utilization rate in the steam fryer.

[0005] The present application provides a steam fryer, comprising an outer shell, a reflective cover, a heat-insulating cover and a water storage container, a heat-dissipating cavity is formed between the heat-insulating cover and the reflective cover, a heating cavity is formed below the reflective cover, a heating element is arranged in the heating cavity, the heat-dissipating cavity comprises a first heat-dissipating cavity for cooling the reflective cover, the water storage container is at least partially arranged in the first heat-dissipating cavity and at least partially connected to the reflective cover, a heat supply port is arranged between the heating cavity and the first heat-dissipating cavity, the water storage container is connected to the heating cavity through a steam channel, the heating element is arranged corresponding to the heat supply port, and the water storage container covers the heat supply port, so that the water storage container absorbs heat from the heating element and the reflective cover to generate steam.

[0006] In one embodiment, the bottom of the water storage container is disposed in close contact with the heating element.

[0007] In one embodiment, the area outside the contact area between the bottom of the water storage container and the heating element is a reflective area, and the reflective coating is provided on the reflective area.

[0008] In one embodiment, there is a gap between the bottom of the water storage container and the heating element, and a heat-absorbing coating is provided on the bottom of the water storage container.

[0009] In one embodiment, a lifting structure is provided on the water storage container, and the lifting structure is used to drive the water storage container to move toward or away from the heating element and the reflective cover, so that the bottom of the water storage container is close to or separated from the heating element and the reflective cover.

[0010] In one embodiment, the lifting structure includes: a driving actuator and a lifting member; the driving actuator is arranged on the water tank, and the lifting member is arranged on the water storage container, and the driving actuator pushes the lifting member so that the lifting member drives the water storage container to move toward or away from the heating element and the reflector.

[0011] In one embodiment, the lifting structure includes: a cam driving assembly, a lever and a lifting member; the cam driving assembly is arranged in the machine head, the lever is arranged on the heat insulation cover, and the lifting member is arranged on the water storage container. When the cam driving assembly rotates, the lifting member is lifted by the lever, so that the lifting member drives the water storage container to move toward or away from the heating element and the reflective cover.

[0012] In one embodiment, the area at the bottom of the water storage container where the heating element is in contact is a reflective area, and the reflective area is provided with a reflective coating; the area at the bottom of the water storage container other than the reflective area is a heat absorbing area, and the heat absorbing area is provided with a heat absorbing coating.

[0013] In one embodiment, a cooling fan cover is provided between the heat insulation cover and the reflective cover, and the heat dissipation cavity includes a second cooling cavity located in the cooling fan cover, and a cooling fan is provided in the second cooling cavity; a sealing member is provided at the contact point between the water storage container and the cooling fan cover, and / or at the contact point between the water storage container and the heat insulation cover, so that the water storage container blocks the heat supply port.

[0014] In one embodiment, the reflective cover has an inclined side surface facing the water storage container, and a portion of the bottom wall of the water storage container is inclined and abuts against the inclined side surface to increase the contact area between the water storage container and the reflective cover.

[0015] In the solution of the present application, the water storage container is at least partially disposed in the first heat dissipation cavity and at least partially connected to the reflector cover, the heating element is disposed correspondingly to the heat supply port, and the water storage container covers the heat supply port. The water storage container can absorb the heat of the heating element while absorbing the heat of the reflector cover, so that the water generates steam after being heated, and the food is cooked, which not only improves the heat utilization rate in the steam fryer, but also can cool the reflector cover, thereby improving the overall cooling effect of the upper cover. The steam fryer of the present application does not need to be provided with an additional steam generator to cook the food, which can further reduce the power used by the steam fryer and reduce the additional heat generated in the steam fryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings required for use in the embodiments of the present application are briefly introduced below.

[0017] Figure 1 A cross-sectional view of a steam fryer provided in the first embodiment of the present application;

[0018] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;

[0019] Figure 3 for Figure 2 Detailed schematic diagram of the middle reflection area;

[0020] Figure 4 A cross-sectional view of a steam fryer provided in a second embodiment of the present application;

[0021] Figure 5 for Figure 4 The enlarged schematic diagram of point B in the middle;

[0022] Figure 6 for Figure 5 Detailed schematic diagram of the heat-absorbing coating;

[0023] Figure 7 A cross-sectional view of a steam fryer in a first state provided by a third embodiment of the present application;

[0024] Figure 8 for Figure 7 The enlarged schematic diagram at C in the middle;

[0025] Fig. 9 A cross-sectional view of the steam fryer in the second state provided by the third embodiment of the present application;

[0026] Fig.10 for Fig. 9 The enlarged schematic diagram at D in the middle;

[0027] Fig.11 for Figure 8 Detailed schematic diagram of the middle reflective area and heat absorption area;

[0028] Fig.12 for Fig.10 Detailed schematic diagram of the middle reflective area and heat absorption area;

[0029] Fig.13 A cross-sectional view of a steam fryer in a first state provided by a fourth embodiment of the present application;

[0030] Fig.14 A cross-sectional view of the steam fryer in the second state provided by the fourth embodiment of the present application;

[0031] Fig.15 for Figure 7 The enlarged schematic diagram at E in the middle is the first embodiment;

[0032] Fig.16 for Fig.15 The middle water storage container is a schematic diagram of the seal when moving upward;

[0033] Fig.17 for Fig.15 The middle water storage container is a schematic diagram of the seal when moving downward;

[0034] Fig.18 for Fig. 9 The second embodiment of the enlarged schematic diagram at E;

[0035] Fig.19 for Fig.18 The middle water storage container is a schematic diagram of the seal when moving upward;

[0036] Fig. 20 for Fig.18 The middle water storage container is a schematic diagram of the seal when moving downward;

[0037] Fig.21 A water storage container provided for another embodiment of the present application is a schematic diagram of a sealing member when moving upward;

[0038] Fig. 22 A water storage container provided in accordance with another embodiment of the present application is a schematic diagram of a sealing member when moving downward.

[0039] Reference numerals:

[0040] 1-steam fryer; 100-housing; 200-reflection cover; 210-inclined side; 300-insulation cover; 310-strip groove; 400-water storage container; 410-reflection area; 411-reflection coating; 420-heat absorbing coating; 430-heat absorbing area; 500-heat dissipation cavity; 510-first heat dissipation cavity; 520-second heat dissipation cavity; 600-heating cavity; 610-heating fan; 700-heating element; 710- First heating element; 720 - second heating element; 800 - heating port; 900 - steam channel; 1000 - cooling fan cover; 1001 - cooling fan; 1100 - driving motor; 1200 - water pump; 1300 - water tank; 1400 - lifting structure; 1401 - driving actuator; 1402 - lifting element; 1403 - cam driving assembly; 1404 - lever; 1500 - sealing element; 1600 - limiting rib. DETAILED DESCRIPTION

[0041] The terms “first”, “second”, “third”, etc. are only used for distinguishing descriptions and do not indicate the order of arrangement, nor can they be understood as indicating or implying relative importance.

[0042] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0043] In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "up", "down", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0044] In the description of this application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected" and "connected" 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, and it can be the internal connection of two elements.

[0045] The technical solution of the present application will be described below in conjunction with the accompanying drawings.

[0046] Please refer to Figure 1 , which is a cross-sectional view of a steam fryer 1 provided in the first embodiment of the present application. A steam fryer 1 comprises a housing 100, a reflector 200, a heat-insulating cover 300 and a water storage container 400, a heat-dissipating cavity 500 is formed between the heat-insulating cover 300 and the reflector 200, a heating cavity 600 is formed below the reflector 200, a heating element 700 is arranged in the heating cavity 600, the heat-dissipating cavity 500 comprises a first heat-dissipating cavity 510 for cooling the reflector 200, the water storage container 400 is at least partially arranged in the first heat-dissipating cavity 510 and at least partially connected to the reflector 200, a heat supply port 800 is arranged between the heating cavity 600 and the first heat-dissipating cavity 510, the water storage container 400 is connected to the heating cavity 600 through a steam channel 900, the heating element 700 is arranged corresponding to the heat supply port 800, and the water storage container 400 covers the heat supply port 800, so that the water storage container 400 absorbs the heat of the heating element 700 and the reflector 200 to generate steam.

[0047] The heating chamber 600 is used to hold food, and the water storage container 400 is used to hold an appropriate amount of water. In this embodiment, part of the heat generated by the heating element 700 can be used to heat and cook the food in the heating chamber 600, part of the heat can be used to heat the water in the water storage container 400, and part of the heat is absorbed by the reflector 200 and then transferred to the water storage container 400. Therefore, there is no need to set up an additional heating device specifically for heating the water storage container 400, which reduces the power of the whole machine, and directly using the heat generated by the heating element 700 can effectively improve the heat utilization rate. Since the water storage container 400 is at least partially arranged in the first heat dissipation chamber 510 and at least partially connected to the reflector 200, the water storage container 400 can absorb the heat of the heating element 700 while absorbing the heat from the reflector 200, so that the water can quickly generate steam after being heated, which not only allows the water storage container 400 to absorb more heat, thereby improving the heat utilization rate of the whole machine, but also can cool the reflector 200, thereby improving the overall cooling effect of the upper cover. The steam enters the heating chamber 600 through the steam channel 900 connected to the water storage container 400, and the high temperature and high pressure of the steam are used to heat the food, thereby further improving the heat utilization rate in the steam fryer 1, so that the cooked food will not produce burnt or smoky smells, while maintaining the original nutritional components and taste of the food.

[0048] Please refer to Figure 2 As shown, further, the reflector 200 has an inclined side surface 210 facing the water storage container 400, and part of the side wall of the water storage container 400 is inclined and fits with the inclined side surface 210 of the reflector 200 to increase the contact area between the water storage container 400 and the reflector 200, so that the water storage container 400 absorbs more heat from the reflector 200. As an example, the reflector 200 can be made of metal.

[0049] In some embodiments, the heat shield 300 is used to seal the heat dissipation cavity 500 .

[0050] Further, a heat dissipation fan cover 1000 is provided between the heat insulation cover 300 and the reflector cover 200, and the heat dissipation cavity 500 includes a second heat dissipation cavity 520 located in the heat dissipation fan cover 1000, and a heat dissipation fan 1001 is provided in the second heat dissipation cavity 520, and the top of the heat dissipation fan cover 1000 can be connected to the heat insulation cover 300. A heating fan 610 is also provided in the heating cavity 600, and the heat dissipation fan 1001 and the heating fan 610 can be arranged on the output shaft of the same driving motor 1100, and driven to rotate by the same driving motor 1100. The driving motor 1100 can be arranged outside the heat insulation cover 300. The rotation of the heat dissipation fan 1001 can accelerate the heat dissipation in the second heat dissipation cavity 520, and the rotation of the heating fan 610 can accelerate the heat flow in the heating cavity 600, so as to speed up the cooking speed of the food in the heating cavity 600.

[0051] In some embodiments, one side of the water storage container 400 can be connected to the water tank 1300 via a water pump 1200, and the water in the water tank 1300 is pumped into the water storage container 400 by the water pump 1200 to replenish the water in the water storage container 400 in time. The driving motor 1100, the water pump 1200 and the water tank 1300 can be simultaneously arranged in the head of the steam fryer 1.

[0052] For further information, please refer to Figure 2 As shown, the bottom of the water storage container 400 is arranged in contact with the heating element 700. As an example, the heating element 700 can be a round rod-shaped metal heating tube, which is arranged in a ring shape at the bottom of the water storage container 400. Therefore, the bottom of the water storage container 400 can be set as a concave curved surface to fit the arc shape of the surface of the heating element 700, so as to increase the heat transfer area between the bottom of the water storage container 400 and the surface of the heating element 700. The heat of the heating element 700 can be transferred to the water storage container 400 by heat conduction through the contact area between the bottom of the water storage container 400 and the heating element 700, so that the water storage container 400 can fully absorb the heat of the heating element 700 for heating. At the same time, since the water storage container 400 is at least partially connected to the reflector 200, the water storage container 400 also absorbs the heat of the reflector 200, thereby generating steam to cook the food.

[0053] For further information, please refer to Figure 3 As shown, the area outside the area where the bottom of the water storage container 400 and the heating element 700 are in contact is a reflection area 410, and the reflection area 410 is provided with a reflection coating 411. It can be understood that the reflection area 410 is the area where the bottom of the water storage container 400 is not in contact with the heating element 700.

[0054] In this embodiment, a reflective coating 411 is provided on the reflective area 410 at the bottom of the water storage container 400 which is not in contact with the heating element 700, and part of the heat radiation from the heating element 700 can be reflected into the heating chamber 600 by utilizing the surface characteristics of the reflective coating 411 itself, thereby heating the food.

[0055] As an example, the reflective coating 411 may include a silver coating, an aluminum coating, a carbon dioxide coating, etc. having high infrared reflectivity. In some embodiments, the reflective coating 411 may be applied to the reflective area 410 at the bottom of the water storage container 400 by spraying or thermal spraying.

[0056] In the above Figure 1-Figure 3 In the illustrated embodiment, the bottom of the water storage container 400 and the heating element 700 are arranged in a fixed fit manner.

[0057] In some other embodiments, the bottom of the water storage container 400 and the heating element 700 may also be arranged in a fixed and separated manner. Figure 4As shown, it is a cross-sectional view of the steam fryer 1 provided in the second embodiment of the present application. Figure 4 The structure of the steam fryer 1 shown is Figure 1 The structural difference of the steam fryer 1 shown is that: Figure 4 There is a gap between the bottom of the water storage container 400 of the steam fryer 1 and the heating element 700 , and a heat absorbing coating 420 is provided on the bottom of the water storage container 400 .

[0058] Please refer to Figure 5 As shown, in this embodiment, the bottom of the water storage container 400 and the heating element 700 are not arranged in close contact, but a certain gap is left, and the height of the gap between the two can be set according to the size of the heating element 700 and the capacity and size of the water storage container 400. Since the bottom of the water storage container 400 and the heating element 700 are not arranged in close contact, the bottom of the water storage container 400 can be directly set as a plane, which reduces the processing difficulty and processing cost of the water storage container 400.

[0059] Please refer to Figure 6 As shown, the bottom flat portion of the water storage container 400 may be partially or completely provided with a heat absorbing coating 420. The heat generated by the heating element 700 is transferred to the heat absorbing coating 420 by means of thermal radiation, and the heat absorbing coating 420 absorbs the heat to heat the water storage container 400. At the same time, since the water storage container 400 is at least partially connected to the reflective cover 200, the water storage container 400 also absorbs the heat of the reflective cover 200, so that the water is heated to generate steam.

[0060] As an example, the heat absorbing coating 420 may be a graphene coating with a high infrared absorption rate, etc. The graphene coating has the advantage of high temperature resistance, which can improve the heat absorption efficiency of the water storage container 400 and accelerate the generation of steam. In some embodiments, the heat absorbing coating 420 can be applied to the bottom of the water storage container 400 in whole or in part by spraying or thermal spraying.

[0061] In order to further improve the heat absorption efficiency of the water storage container 400, in other embodiments, when the heat absorption coating 420 is a graphene coating, the heating element 700 can be configured as a carbon tube or a graphite tube, which is disposed in a ring shape and spirally disposed at the bottom of the water storage container 400, leaving a gap with the bottom of the water storage container 400. By providing a black coating at the bottom of the water storage container 400, the heat absorption efficiency of the water storage container 400 is improved, the generation of steam is accelerated, and the heat utilization rate of the heating element 700 is maximized.

[0062] When using the steam fryer 1 to cook food, the user can use the steam cooking mode or the non-steam cooking mode to cook according to the cooking and taste requirements. It is understood that the non-steam cooking mode refers to cooking food without using steam, which can also be called an air frying cooking mode. When cooking food using the non-steam cooking mode, the general method is to remove the water in the water storage container 400 to stop the steam generation, but this method is time-consuming and inefficient.

[0063] Therefore, in order to improve the working efficiency of the steam fryer 1 in the non-steam cooking mode, in some embodiments, please refer to Figure 7 , which is a cross-sectional view of the steam fryer 1 provided in the third embodiment of the present application. A lifting structure 1400 is provided on the water storage container 400, and the lifting structure 1400 is used to drive the water storage container 400 to move toward or away from the heating element 700 and the reflective cover 200, so that the bottom of the water storage container 400 is close to or separated from the heating element 700 and the reflective cover 200.

[0064] In this embodiment, when steam is not required for cooking food, a lifting structure 1400 is provided in the steam fryer 1, and the lifting structure 1400 is used to drive the water storage container 400 to move toward or away from the heating element 700 and the reflector 200, so that the water storage container 400, the heating element 700 and the reflector 200 are attached to or separated from each other, so as to switch the contact and non-contact states between the bottom of the water storage container 400 and the heating element 700 and the reflector 200. When the bottom of the water storage container 400 and the heating element 700 and the reflector 200 are switched to a non-contact state, the heat transferred from the heating element 700 and the reflector 200 to the water storage container 400 is reduced, and the speed of steam generation is slowed down until no steam is generated, so that the steam generation can be slowed down or stopped without removing the water in the water storage container 400, and the food is cooked in the form of hot air flow in the air frying cooking mode.

[0065] For further information, please refer to Figure 8 As shown, the lifting structure 1400 includes: a driving actuator 1401 and a lifting member 1402; the driving actuator 1401 is arranged on the water tank 1300. The lifting member 1402 is arranged on the water storage container 400, and the driving actuator 1401 pushes the lifting member 1402, so that the lifting member 1402 drives the water storage container 400 to move toward or away from the heating element 700 and the reflector 200.

[0066] In some embodiments, the driving actuator 1401 may be an electric push rod, a solenoid valve, a cylinder, a screw motor, etc. Taking the electric push rod as an example, the output end of the electric push rod may be connected to a wedge block. One end of the lifting member 1402 is fixedly connected to the water storage container 400, and a wedge block is set at the other end of the lifting member 1402 that contacts the wedge block of the electric push rod, and the chamfered surfaces of the two wedge blocks match each other.

[0067] Please refer to Figure 7 and Figure 8 As shown, when the driving actuator 1401 pushes the lifting member 1402 in the direction where the lifting member 1402 is located, the wedge block located at the output end of the driving actuator 1401 contacts the wedge block on the lifting member 1402, and the contact movement occurs at the oblique cut surfaces of the two wedge blocks, so that the driving actuator 1401 lifts the lifting member 1402 upward. At this time, the lifting member 1402 moves upward to drive the water storage container 400 to move away from the heating member 700 and the reflector 200, so that the bottom of the water storage container 400 is separated from the heating member 700 and the reflector 200, and the heat transferred from the heating member 700 and the reflector 200 to the water storage container 400 is reduced, thereby reducing the generation of steam. After the water storage container 400 is separated from the heating member 700 and the reflector 200, the water in the water storage container 400 can continue to absorb the heat from the first heat dissipation cavity 510, so that the water temperature rises, and the heat energy is stored to increase the subsequent steam generation speed.

[0068] Please refer to Fig. 9 and Fig.10 As shown, when the driving actuator 1401 is reset and retracted in the direction away from the lifting member 1402, the wedge block located at the output end of the driving actuator 1401 is gradually separated from the wedge block on the lifting member 1402, and the lifting member 1402 is separated from the force of the driving actuator 1401 and moves downward, driving the water storage container 400 to move toward the heating member 700 and the reflecting cover 200, so that the bottom of the water storage container 400 is in contact with the heating member 700 and the reflecting cover 200. At this time, the heat of the heating member 700 and the reflecting cover 200 can heat the water storage container 400 to generate steam.

[0069] Therefore, in the above embodiment, the working state of the driving actuator 1401 is controlled to control the moving state of the lifting member 1402, thereby switching the contact and non-contact states between the bottom of the water storage container 400 and the heating element 700 and the reflector 200, thereby changing the steam generation speed until the steam generation is stopped, thereby realizing the switching of the steam cooking mode or the non-steam cooking mode of the steam fryer 1 to meet the cooking needs of different ingredients.

[0070] In some embodiments, please refer to Figure 8 and Fig.10 As shown, a strip groove 310 is provided on the heat insulation cover 300 at the connection position between the water storage container 400 and the water pump 1200, and the water pump 1200 can be connected to the water storage container 400 through a water pipe passing through the strip groove 310. When the lifting structure 1400 drives the water storage container 400 to move toward or away from the heating element 700 and the reflective cover 200, the water pipe connecting the water storage container 400 and the water pump 1200 can move freely up and down in the strip groove 310 along with the water storage container 400.

[0071] In some embodiments, please refer to Fig.11 and Fig.12 As shown, the area at the bottom of the water storage container 400 that is in contact with the heating element 700 is a reflective area 410 , and the reflective area 410 is provided with a reflective coating 411 ; the area at the bottom of the water storage container 400 other than the reflective area 410 is a heat absorption area 430 , and the heat absorption area 430 is provided with a heat absorption coating 420 .

[0072] In this embodiment, the heating element 700 can be configured as a round rod-shaped metal heating tube, which is arranged in a ring shape at the bottom of the water storage container 400. The reflective area 410 at the bottom of the water storage container 400 that fits the heating element 700 is configured as an inwardly concave surface to fit the arc shape of the surface of the heating element 700. In some embodiments, the reflective coating 411 can include a silver coating, an aluminum coating, and a carbon dioxide coating with high infrared reflectivity. The heat-absorbing coating 420 can be a graphene coating with high infrared absorption. The reflective coating 411 can be applied to the bottom reflective area 410 of the water storage container 400 by spraying or melting, and the heat-absorbing coating 420 can be applied to the bottom of the water storage container 400 in whole or in part.

[0073] When the driving actuator 1401 pushes the lifting member 1402 in the direction where the lifting member 1402 is located, the lifting member 1402 is lifted upward, driving the water storage container 400 to move away from the heating member 700 and the reflecting cover 200, so that the bottom of the water storage container 400 is separated from the heating member 700 and the reflecting cover 200, and the reflecting area 410 of the bottom of the water storage container 400 and the heating member 700 are exposed, so that a large amount of heat radiation from the heating member 700 is reflected into the heating chamber 600, thereby improving the heating efficiency in the heating chamber 600, reducing the heat transfer to the water storage container 400, and reducing the generation of steam.

[0074] When the driving actuator 1401 drives the lifting member 1402 to move downwards without the force of the driving actuator 1401, the water storage container 400 is driven to move toward the heating member 700 and the reflective cover 200, so that the bottom of the water storage container 400 is close to the heating member 700 and the reflective cover 200. At this time, the heat generated by the heating member 700 is mainly transferred to the water storage container 400 through the reflective coating 411 on the reflective area 410 by heat conduction, and the water in the water storage container 400 is heated. At the same time, the heat absorption coating 420 on the heat absorption area 430 can also absorb the radiated heat from the heating member 700 and transfer it to the water storage container 400, so as to assist in heating the water storage container 400, so as to quickly generate steam and cook the food.

[0075] For further information, please refer to Fig.13 , which is a cross-sectional view of the steam fryer 1 provided in the fourth embodiment of the present application. Figure 7 and Fig. 9The lifting structure 1400 shown has certain differences, specifically: the lifting structure 1400 includes: a lifting member 1402, a cam driving assembly 1403 and a lever 1404. The cam driving assembly 1403 is arranged in the machine head, and the lever 1404 is arranged on the heat insulation cover 300. The lifting member 1402 is arranged on the water storage container 400, and when the cam driving assembly 1403 rotates, the lifting member 1402 is lifted by the lever 1404, so that the lifting member 1402 drives the water storage container 400 to move toward or away from the heating element 700 and the reflective cover 200.

[0076] In some embodiments, the lifting structure 1400 uses a cam and a lever. The cam driving assembly 1403 may include a stepper motor and a cam, and the stepper motor drives the cam to rotate. Fig.13 As shown, when the cam driving assembly 1403 is in the initial state, the cam driving assembly 1403 does not move, one end of the lever 1404 is supported by the lifting member 1402, and the other end of the lever 1404 is in contact with the cam of the cam driving assembly 1403. At this time, the bottom of the water storage container 400 connected to the lifting member 1402 is arranged in contact with the heating element 700 and the reflection cover 200, and the heat generated by the heating element 700 and the heat absorbed by the reflection cover 200 are transferred to the water storage container 400, and the water in the water storage container 400 is heated to generate steam.

[0077] Please refer to Fig.14 As shown, when the cam driving assembly 1403 is in motion, the cam rotates counterclockwise, and the end of the cam in contact with the lever 1404 presses the lever 1404 downward. Based on the lever principle, the other end of the lever 1404 lifts the lifting member 1402 upward, and the lifting member 1402 moves upward to drive the water storage container 400 to move away from the heating element 700 and the reflector 200, so that the bottom of the water storage container 400 is separated from the heating element 700 and the reflector 200, and the heat transferred from the heating element 700 and the reflector 200 to the water storage container 400 is reduced, thereby reducing the generation of steam. As mentioned above, after the water storage container 400 is separated from the heating element 700 and the reflector 200, the water in the water storage container 400 can continue to absorb the heat from the first heat dissipation cavity 510, so that the water temperature rises, and the heat energy is stored to increase the subsequent steam generation speed.

[0078] Similarly, in Fig.13 and Fig.14 In the structure of the steam fryer 1 shown, reference can be made to Fig.11 and Fig.12 As shown, the area at the bottom of the water storage container 400 that is in contact with the heating element 700 is a reflective area 410 , and the reflective area 410 is provided with a reflective coating 411 ; the area at the bottom of the water storage container 400 other than the reflective area 410 is a heat absorption area 430 , and the heat absorption area 430 is provided with a heat absorption coating 420 .

[0079] When the cam driving assembly 1403 does not move, one end of the lever 1404 is held against by the lifting member 1402, and the other end of the lever 1404 contacts the cam of the cam driving assembly 1403. The bottom of the water storage container 400 connected to the lifting member 1402 is placed close to the heating element 700 and the reflector 200. The heat generated by the heating element 700 is mainly transferred to the water storage container 400 through the reflective coating 411 on the reflective area 410 by heat conduction, and the water in the water storage container 400 is heated. At the same time, the heat absorbing coating 420 on the heat absorbing area 430 absorbs the radiated heat from the heating element 700 and transfers it to the water storage container 400, and the water storage container 400 is auxiliary heated to quickly generate steam and cook the food.

[0080] When the cam driving assembly 1403 is actuated, the cam rotates counterclockwise, and the end of the cam in contact with the lever 1404 presses the lever 1404 downward, and the other end of the lever 1404 lifts the lifting member 1402 upward. The lifting member 1402 moves upward to drive the water storage container 400 to move away from the heating element 700 and the reflective cover 200, so that the bottom of the water storage container 400 is separated from the heating element 700 and the reflective cover 200, and the reflective area 410 of the bottom of the water storage container 400 that is in contact with the heating element 700 is exposed, so that a large amount of heat radiation from the heating element 700 is reflected into the heating chamber 600, thereby improving the heating efficiency in the heating chamber 600, thereby reducing the heat transferred to the water storage container 400 and reducing the generation of steam.

[0081] like Figure 7 , Fig. 9 In the structure of the steam fryer 1 shown, when the lifting structure 1400 drives the water storage container 400 to move away from the heating element 700 and the reflective cover 200 so that the bottom of the water storage container 400 is separated from the heating element 700 and the reflective cover 200, the oil smoke generated when cooking food in the heating chamber 600 will enter the heat dissipation chamber 500 and the head of the steam fryer 1 through the heat supply port 800.

[0082] In order to block and reduce the generation of oil smoke, and at the same time reduce the resistance of the water storage container 400 when it is lifted and moved. Fig.15 As shown, a seal 1500 is provided at the contact point between the water storage container 400 and the heat dissipation fan cover 1000 , and / or at the contact point between the water storage container 400 and the heat insulation cover 300 , so that the water storage container 400 blocks the heat supply port 800 .

[0083] In some embodiments, the seal 1500 may be disposed at both the contact point between the water storage container 400 and the heat dissipation fan cover 1000 , and the contact point between the water storage container 400 and the heat insulation cover 300 .

[0084] In other embodiments, the seal 1500 may be disposed only at the contact between the water storage container 400 and the heat dissipation fan cover 1000. In other embodiments, the seal 1500 may be disposed only at the contact between the water storage container 400 and the heat insulation cover 300.

[0085] In this embodiment, the sealing member 1500 is provided at the contact point between the water storage container 400 and the heat dissipation fan cover 1000, and at the contact point between the water storage container 400 and the heat insulation cover 300. Fig.16 As shown, one side of the seal 1500 can be fixedly set on the side wall of the water storage container 400 by gluing, and the other side of the seal 1500 is in contact with the heat dissipation fan cover 1000. Alternatively, one side of the seal 1500 is fixedly set on the other side wall of the water storage container 400 by gluing, and the other side of the seal 1500 is in contact with the heat insulation cover 300, so that the seal 1500 can move up and down together with the water storage container 400.

[0086] Please continue to refer to Fig.16 As shown, when the lifting structure 1400 drives the water storage container 400 to move away from the heating element 700 and the reflective cover 200, so that the bottom of the water storage container 400 is separated from the heating element 700 and the reflective cover 200, the sealing member 1500 moves upward together with the water storage container 400, and the sealing member 1500 seals the area between the cooling fan cover 1000 and the water storage container 400 and the area between the heat insulation cover 300 and the water storage container 400, thereby effectively blocking the oil smoke from entering the cooling cavity 500 and the machine head from the heating port 800, and at the same time reducing the resistance of the water storage container 400 when it moves upward.

[0087] Please refer to Fig.17 As shown, when the lifting structure 1400 drives the water storage container 400 to move toward the heating element 700 and the reflective cover 200, so that the bottom of the water storage container 400 is in contact with the heating element 700 and the reflective cover 200, the sealing member 1500 moves downward together with the water storage container 400, and the sealing member 1500 seals the area between the cooling fan cover 1000 and the water storage container 400 and the area between the heat insulation cover 300 and the water storage container 400, thereby effectively preventing oil smoke from entering the cooling cavity 500 and the machine head from the heating port 800, and reducing the resistance of the water storage container 400 when it moves downward.

[0088] In other embodiments, please refer to Fig.18As shown, the side wall surface of the heat insulation cover 300 and the side wall surface of the heat dissipation fan cover 1000 are both provided with limiting ribs 1600. The sealing member 1500 is installed at the contact point between the heat insulation cover 300 and the water storage container 400 and is limited in the limiting ribs 1600 on the side wall surface of the heat insulation cover 300; and is installed at the contact point between the heat dissipation fan cover 1000 and the water storage container 400 and is limited in the limiting ribs 1600 on the side wall surface of the heat dissipation fan cover 1000.

[0089] For further information, please refer to Fig.19 As shown, when the lifting structure 1400 drives the water storage container 400 to move away from the heating element 700 and the reflective cover 200 so that the bottom of the water storage container 400 is separated from the heating element 700 and the reflective cover 200, the seal 1500 can be restricted in the limiting ribs 1600 of the cooling fan cover 1000 and the limiting ribs 1600 of the heat insulation cover 300. The seal 1500 does not move relative to the water storage container 400 and has a good sealing effect, thereby effectively blocking oil smoke from the heating port 800 from entering the cooling cavity 500 and the machine head, and reducing the resistance of the water storage container 400 when it moves upward.

[0090] Please refer to Fig. 20 As shown, when the lifting structure 1400 drives the water storage container 400 to move toward the heating element 700 and the reflective cover 200 so that the bottom of the water storage container 400 is in contact with the heating element 700 and the reflective cover 200, the seal 1500 can be restricted in the limiting ribs 1600 of the cooling fan cover 1000 and the limiting ribs 1600 of the heat insulation cover 300. The seal 1500 does not move relative to the water storage container 400 and has a good sealing effect, thereby effectively blocking oil smoke from entering the heat dissipation cavity 500 and the machine head from the heating port 800, and reducing the resistance of the water storage container 400 when it moves downward.

[0091] In some embodiments, the seal 1500 may be made of felt material, a silicone seal ring, etc. Fig.21 As shown, limiting ribs 1600 of annular structure are provided on the side walls of the cooling fan cover 1000 and the side walls of the heat insulation cover 300. Taking the seal 1500 of silicone sealing ring structure as an example, the seal 1500 can be limited in the limiting ribs 1600 of annular structure on the side walls of the cooling fan cover 1000 and the side walls of the heat insulation cover 300. When the lifting structure 1400 drives the water storage container 400 to move away from the heating element 700 and the reflective cover 200 to separate the bottom of the water storage container 400 from the heating element 700 and the reflective cover 200, the seal 1500 can be limited in the limiting ribs 1600 of the annular structure, so that the seal 1500 does not move relative to the water storage container 400 and has a good sealing effect, thereby effectively blocking the oil smoke from the heating port 800 from entering the heat dissipation cavity 500 and the machine head, and reducing the resistance of the water storage container 400 when it moves upward.

[0092] Please refer to Fig. 22 As shown, when the lifting structure 1400 drives the water storage container 400 to move toward the heating element 700 and the reflective cover 200 so that the bottom of the water storage container 400 is in contact with the heating element 700 and the reflective cover 200, the seal 1500 can be restricted in the limiting ribs 1600 of the annular structure on the side wall of the cooling fan cover 1000 and the side wall of the heat insulation cover 300, so that the seal 1500 does not move relative to the water storage container 400 and has a good sealing effect, thereby effectively blocking the oil smoke from the heating port 800 from entering the heat dissipation cavity 500 and the machine head, and reducing the resistance of the water storage container 400 when it moves downward.

[0093] In some embodiments, Figure 1 , Figure 4 , Figure 7 , Fig. 9 In the structure of the steam fryer 1 shown, the heating element 700 may include a first heating element 710 and a second heating element 720. The first heating element 710 and the water storage container 400 are correspondingly arranged at the heat supply port 800 between the heating chamber 600 and the heat dissipation chamber 500, and the second heating element 720 is arranged below the first heating element 710 and located in the heating chamber 600, and the second heating element 720 is close to the heating fan 610.

[0094] Furthermore, a reflective cover 200 is provided above the second heating element 720 and between the heating fan 610. The reflective cover 200 absorbs the heat of the second heating element 720, and the heat in the heating chamber 600 and the heat absorbed by the reflective cover 200 are converted into a rapidly circulating heat flow through the rotation of the heating fan 610, and the heat flow is blown toward the food by the heating fan 610 to achieve the effect of cooking the food.

[0095] In this embodiment, the first heating element 710 and the second heating element 720 can select different cooking modes to heat and cook ingredients according to the user's cooking needs.

[0096] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0097] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A steam fryer, comprising a shell, a reflective cover, a heat-insulating cover and a water storage container, wherein a heat dissipation cavity is formed between the heat-insulating cover and the reflective cover, a heating cavity is formed below the reflective cover, and a heating element is provided in the heating cavity, characterized in that: The heat dissipation cavity includes a first heat dissipation cavity for cooling the reflector cover, the water storage container is at least partially arranged in the first heat dissipation cavity and at least partially connected to the reflector cover, a heat supply port is arranged between the heating cavity and the first heat dissipation cavity, the water storage container is connected to the heating cavity through a steam channel, the heating element is arranged corresponding to the heat supply port, and the water storage container covers the heat supply port so that the water storage container absorbs the heat of the heating element and the reflector cover to generate steam.

2. The steam fryer according to claim 1, characterized in that: The bottom of the water storage container is arranged in close contact with the heating element.

3. The steam fryer according to claim 2, characterized in that: The area outside the contact area between the bottom of the water storage container and the heating element is a reflection area, and the reflection area is provided with a reflection coating.

4. The steam fryer according to claim 1, characterized in that: There is a gap between the bottom of the water storage container and the heating element, and a heat-absorbing coating is provided on the bottom of the water storage container.

5. The steam fryer according to claim 1, characterized in that: The water storage container is provided with a lifting structure, and the lifting structure is used to drive the water storage container to move toward or away from the heating element and the reflecting cover, so that the bottom of the water storage container is close to or separated from the heating element and the reflecting cover.

6. The steam fryer according to claim 5, characterized in that: The lifting structure includes: a driving actuator and a lifting member; the driving actuator is arranged on the water tank, and the lifting member is arranged on the water storage container. The driving actuator pushes the lifting member so that the lifting member drives the water storage container to move toward or away from the heating element and the reflector.

7. The steam fryer according to claim 5, characterized in that: The lifting structure includes: a cam driving assembly, a lever and a lifting member; the cam driving assembly is arranged in the machine head, the lever is arranged on the heat insulation cover, and the lifting member is arranged on the water storage container. When the cam driving assembly rotates, the lifting member is lifted by the lever, so that the lifting member drives the water storage container to move toward or away from the heating element and the reflective cover.

8. The steam fryer according to claim 5, characterized in that: The area at the bottom of the water storage container that is in contact with the heating element is a reflection area, and the reflection area is provided with a reflection coating; the area at the bottom of the water storage container other than the reflection area is a heat absorption area, and the heat absorption area is provided with a heat absorption coating.

9. The steam fryer according to claim 1, characterized in that: A cooling fan cover is provided between the heat insulation cover and the reflective cover, and the heat dissipation cavity includes a second cooling cavity located in the cooling fan cover, and a cooling fan is provided in the second cooling cavity; a sealing member is provided at the contact point between the water storage container and the cooling fan cover, and / or at the contact point between the water storage container and the heat insulation cover, so that the water storage container blocks the heat supply port.

10. The steam fryer according to claim 1, characterized in that: The reflector has an inclined side surface facing the water storage container, and a portion of the bottom wall of the water storage container is inclined and abuts against the inclined side surface to increase the contact area between the water storage container and the reflector.

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