Cooking equipment

By setting a movable shield on the outside of the graphene heating tube and dynamically adjusting its position to block or open the graphene heating tube, the safety accidents caused by the abnormal light of microwave energy and microwave leakage in the microwave oven are solved, and the baking effect and equipment safety performance are improved.

CN222942191UActive Publication Date: 2025-06-06QINGDAO LEJIA ELECTRIC APPLIANCE CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421217301.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-06-06
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

When used in microwave ovens, graphene heating pipes are prone to safety accidents due to abnormal lighting of microwave energy and microwave leakage.

Method used

A movable shield is provided outside the graphene heating tube, and its position is dynamically adjusted according to the cooking mode. When running the microwave function, the shielding member moves to the protective position to block the graphene heating tube to prevent microwave energy from affecting and leaking.

Benefits of technology

It effectively prevents safety accidents caused by abnormal microwave energy lighting and microwave leakage of graphene heating tubes. At the same time, the graphene heating tubes are fully effective under the barbecue function, improving the baking effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222942191U_ABST
    Figure CN222942191U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of household appliances, and discloses a cooking device which comprises an inner container, a heating device and a heating device. The microwave device is arranged on the inner container and used for emitting microwaves to the cooking cavity; the graphene heating pipe is located in the cooking cavity and installed on the inner container; the shielding part is movably arranged on the inner container and is provided with a protection position capable of shielding the graphene heating pipe and an opening position capable of avoiding the graphene heating pipe; and the driving mechanism is used for driving the shielding piece to move, so that the shielding piece is switched between the protection position and the opening position. According to the cooking equipment, the movable shielding piece is arranged on the outer side of the graphene heating pipe, the position can be dynamically adjusted according to the cooking mode, when the microwave function is operated, the shielding piece moves to the protection position to shield the graphene heating pipe, the risk of microwave leakage is completely eradicated, and the safety performance of the equipment is enhanced; and when the barbecue function is operated, the shielding piece moves to the opening position, so that the graphene heating pipe is fully played, and an ideal baking effect is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a cooking device. Background Art

[0002] Since graphene heating tubes have excellent surface temperature and high penetration ability, they are widely used in oven products. Graphene heating tubes are rarely used in microwave ovens because when the graphene heating tube is not working, microwaves will enter the graphene heating tube to heat the graphene, causing the graphene heating tube to be abnormally lit. Another risk is that microwaves can pass through the graphene heating tube and leak from the inside of the graphene heating tube to the outside of the cavity, causing the external microwave leakage value to exceed the standard and cause safety accidents. Therefore, it is currently impossible to solve the microwave leakage problem caused by the application of graphene heating tubes in microwave oven environments. Utility Model Content

[0003] Based on the technical problem in the prior art that in cooking devices with microwave function, the graphene heating tube is abnormally lit and leaks microwaves, the utility model provides a cooking device, which can dynamically adjust the position of the graphene heating tube according to the cooking mode by arranging a movable shielding member on the outside of the graphene heating tube, so as to protect the graphene heating tube when the microwave function is running.

[0004] The utility model provides a cooking device, comprising:

[0005] An inner pot having a cooking cavity;

[0006] A microwave device, disposed on the inner pot, for emitting microwaves into the cooking cavity;

[0007] A graphene heating tube is located in the cooking cavity and installed on the inner pot;

[0008] A shielding member is movably disposed on the inner container, and has a protection position capable of shielding the graphene heating tube and an open position for avoiding the graphene heating tube;

[0009] The driving mechanism is used for driving the shielding member to move so that the shielding member switches between the protection position and the open position.

[0010] In some embodiments, the inner pot is provided with an installation cavity opening toward the cooking cavity, and the graphene heating tube is arranged in the installation cavity; when the shielding member is in the protective position, the shielding member closes the opening of the installation cavity; when the shielding member is in the open position, the shielding member opens the opening of the installation cavity.

[0011] In some embodiments, the driving mechanism drives the shielding member to slide along the inner wall of the liner to close or open the opening of the installation cavity.

[0012] In some embodiments, a guide structure is provided on the inner wall of the inner container for guiding the shielding member to slide along the inner wall of the inner container.

[0013] In some embodiments, the driving mechanism includes a motor and a crank-connecting rod mechanism, the crank-connecting rod mechanism includes a crank and a connecting rod, one end of the crank is connected to the output shaft of the motor, and the other end is rotatably connected to the connecting rod, and the other end of the connecting rod is rotatably connected to the shielding member.

[0014] In some embodiments, the driving mechanism is arranged on the outside of the inner liner; a slide groove is opened on the inner liner, and a traction part is provided on one side of the shielding member, and the traction part is slidably arranged in the slide groove and extends outward from the slide groove; the connecting rod is rotatably connected to the traction part.

[0015] In some embodiments, the installation cavity is arranged along the inner wall of the inner container and protrudes outward from the inner container.

[0016] In some embodiments, the shielding member is hinged to the inner container, and the driving mechanism drives the shielding member to flip to close or open the opening of the installation cavity.

[0017] In some embodiments, the graphene heating tube is disposed on the top of the cooking cavity.

[0018] In some embodiments, the graphene heating tube includes an outer tube, an inner tube sleeved in the outer tube, electrodes connected to both ends of the inner tube, and insulating heads fixed to both ends of the outer tube; a graphene layer is provided on the outer surface of the inner tube.

[0019] Compared with the prior art, the advantages and positive effects of the utility model are:

[0020] The above cooking equipment has the functions of microwave heating and graphene heating at the same time, which effectively improves the cooking efficiency and cooking effect; by arranging a movable shielding member on the outside of the graphene heating tube, the position can be dynamically adjusted according to the cooking mode: when the microwave function is running, the shielding member moves to the protective position to shield the graphene heating tube, which not only prevents the microwave energy from causing potential impact on the heating tube, but also eliminates the risk of microwave leakage, thereby enhancing the safety performance of the equipment; when the grilling function is running, the shielding member moves to the open position to enable the graphene heating tube to fully exert its effect, utilizing its efficient surface heating characteristics and deep penetration ability to accelerate the evaporation of moisture on the surface of food and achieve an ideal baking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 The schematic diagram of the local structure of the cooking device of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The schematic diagram of the local structure of the cooking device of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 It is a schematic diagram of the structure of the shielding member and the driving mechanism in the cooking device of the utility model;

[0025] Figure 4 It is a cross-sectional view of the cooking device of the utility model;

[0026] Description of reference numerals:

[0027] Inner container 100; mounting cavity 110; slide groove 120;

[0028] Microwave device 200;

[0029] Graphene heating tube 300;

[0030] Shielding member 400; traction portion 410;

[0031] Driving mechanism 500 ; motor 510 ; crank 520 ; connecting rod 530 . DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions 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 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 invention.

[0034] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "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. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0035] Reference Figure 1-Figure 4 , which is an embodiment of the cooking device of the present utility model.

[0036] The cooking device includes an inner pot 100 , a microwave device 200 disposed on the inner pot 100 , and at least one graphene heating tube 300 disposed in the inner pot 100 .

[0037] The inner pot 100 has a cooking cavity, and food is placed in the cooking cavity for heating. A through hole is provided in the center of the top wall or the bottom wall of the inner pot 100.

[0038] The microwave device 200 is disposed on the inner pot 100, and transmits microwaves to the cooking cavity through the through hole. The microwaves penetrate the food, causing the moisture and some other polar substances in the food to move and generate heat by friction, thereby heating the food.

[0039] The graphene heating tube 300 is arranged in the cooking cavity, and can be located above or to the side of the cooking cavity. The graphene heating tube 300 generates heat when powered on, and transfers heat to the food by heat conduction and radiation to heat the food. One or more graphene heating tubes 300 can be configured.

[0040] The shielding member 400 is movably disposed on the inner container 100. The shielding member 400 is a metal member that can shield microwaves. The shielding member 400 has a protective position that can shield the graphene heating tube 300 and an open position that avoids the graphene heating tube 300.

[0041] The driving mechanism 500 is disposed on the inner liner 100 and is used to drive the shielding member 400 to move so that the shielding member 400 switches between the protection position and the open position.

[0042] When the microwave function is running, the shielding member 400 will move to the protective position to block the graphene heating tube 300. At this time, the microwaves in the cooking cavity can be completely blocked by the shielding member 400 to prevent the graphene heating tube 300 from being interfered by the microwaves and to prevent the microwaves from leaking out through the graphene heating tube 300.

[0043] When the grilling function is in operation, the shielding member 400 is moved and switched to the open position, so that the graphene heating tube 300 is fully exposed. The high surface temperature and excellent heat penetration ability of the graphene heating tube 300 are utilized to accelerate the evaporation of moisture on the surface of food, so that the surface of the food is grilled to be crispy on the outside and tender on the inside.

[0044] The above-mentioned cooking equipment has the functions of microwave heating and graphene heating at the same time, which effectively improves the cooking efficiency and cooking effect; by arranging a movable shielding member 400 on the outside of the graphene heating tube 300, the position can be dynamically adjusted according to the cooking mode: when the microwave function is running, the shielding member 400 moves to the protection position to shield the graphene heating tube 300, which not only prevents the microwave energy from causing potential impact on the heating tube, but also eliminates the risk of microwave leakage, thereby enhancing the safety performance of the equipment; when the grilling function is running, the shielding member 400 moves to the open position to enable the graphene heating tube 300 to fully exert its effect, utilizing its efficient surface heating characteristics and deep penetration ability to accelerate the evaporation of moisture on the surface of food and achieve an ideal baking effect.

[0045] In this embodiment, a mounting cavity 110 opening toward the cooking cavity is disposed on the inner pot 100 , and the graphene heating tube 300 is disposed in the mounting cavity 110 .

[0046] When the shielding member 400 is located at the protection position, the shielding member 400 closes the opening of the installation cavity 110 and completely shields the graphene heating tube 300 ; when the shielding member 400 is located at the opening position, the shielding member 400 opens the opening of the installation cavity 110 .

[0047] Specifically, the shielding member 400 is a metal plate, and the driving mechanism 500 drives the shielding member 400 to slide along the inner wall of the liner 100 to close or open the opening of the installation cavity 110 .

[0048] The driving mechanism 500 includes a motor 510 and a crank 520-connecting rod 530 mechanism. The crank 520-connecting rod 530 mechanism includes a crank 520 and a connecting rod 530. One end of the crank 520 is connected to the output shaft of the motor 510, and the other end is rotatably connected to the connecting rod 530. The other end of the connecting rod 530 is rotatably connected to the shielding member 400. When the motor 510 drives the crank 520 to rotate, the crank 520 drives the shielding member 400 to slide through the connecting rod 530.

[0049] The driving mechanism 500 is arranged outside the inner pot 100 to prevent the high temperature inside the cooking cavity from affecting it. Therefore, a slide groove 120 is provided on the inner pot 100, and a traction part 410 is provided on one side of the shielding member 400. The traction part 410 is slidably arranged in the slide groove 120 and extends out of the slide groove 120; the connecting rod 530 is rotatably connected to the part of the traction part 410 extending out of the slide groove 120.

[0050] A guide structure is also provided on the inner wall of the inner container 100 to guide the shielding member 400 to slide along the inner wall of the inner container 100. The guide structure may be a slide groove structure.

[0051] In some other embodiments, the driving mechanism 500 may also adopt an electric push rod, a gear rack mechanism, a screw nut and other mechanisms.

[0052] In some other embodiments, the shielding member 400 can also be closed and opened in a flip-cover manner. The shielding member 400 is hinged to the inner liner 100 and can be flipped to open or close the installation cavity 110.

[0053] In this embodiment, the microwave device 200 is disposed on the top of the inner pot 100 , and the graphene heating tube 300 is also disposed on the top of the inner pot 100 .

[0054] Preferably, two graphene heating tubes 300 are provided, which are respectively located at the front and rear sides of the microwave device 200. The two graphene heating tubes 300 have the same shape. The graphene heating tube 300 located at the front side is arranged close to the door body, and the graphene heating tube 300 located at the rear side is arranged close to the back of the inner pot 100.

[0055] The graphene heating tube 300 in this embodiment includes an outer tube, an inner tube sleeved in the outer tube, electrodes connected to both ends of the inner tube, and insulating heads fixed to both ends of the outer tube. A graphene layer is provided on the outer surface of the inner tube.

[0056] The outer tube and the inner tube are usually made of materials with high temperature resistance and good insulation performance, such as quartz tube.

[0057] Electrodes are disposed at both ends of the inner tube to connect an external power source to the graphene layer in the graphene heating tube 300 to provide current to generate heat through the graphene coating.

[0058] An insulating head (not shown) is provided between the electrode and the non-conductive part of the graphene heating tube to ensure electrical safety.

[0059] In another embodiment, the graphene heating tube 300 includes a tube body, electrodes connected to both ends of the tube body, and insulating heads fixed to both ends of the tube body. The inner surface of the tube body is provided with a graphene layer. The electrodes are electrically connected to the graphene layer.

[0060] In another embodiment, the graphene heating tube 300 includes a tube body, electrodes connected to both ends of the tube body, and insulating heads fixed to both ends of the tube body. A graphene heating element is arranged in the tube body. The electrodes are connected to the graphene layer heating element. The graphene heating element may be in a sheet-like structure.

[0061] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the above embodiments, or to replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A cooking device, characterized in that: include: An inner pot having a cooking cavity; A microwave device, disposed on the inner pot, for emitting microwaves into the cooking cavity; A graphene heating tube is located in the cooking cavity and installed on the inner pot; A shielding member is movably disposed on the inner container, and has a protection position capable of shielding the graphene heating tube and an open position for avoiding the graphene heating tube; The driving mechanism is used for driving the shielding member to move so that the shielding member switches between the protection position and the open position.

2. The cooking device according to claim 1, characterized in that: The inner pot is provided with an installation cavity opening toward the cooking cavity, and the graphene heating tube is arranged in the installation cavity; when the shielding member is in the protection position, the shielding member closes the opening of the installation cavity; when the shielding member is in the opening position, the shielding member opens the opening of the installation cavity.

3. The cooking device according to claim 2, characterized in that The driving mechanism drives the shielding member to slide along the inner wall of the inner container to close or open the opening of the installation cavity.

4. The cooking device according to claim 3, characterized in that: A guide structure is arranged on the inner wall of the inner container, for guiding the shielding member to slide along the inner wall of the inner container.

5. The cooking device according to claim 3 or 4, characterized in that: The driving mechanism comprises a motor and a crank-connecting rod mechanism, wherein the crank-connecting rod mechanism comprises a crank and a connecting rod, wherein one end of the crank is connected to the output shaft of the motor, and the other end is rotationally connected to the connecting rod, and the other end of the connecting rod is rotationally connected to the shielding member.

6. The cooking device according to claim 5, characterized in that The driving mechanism is arranged on the outer side of the inner liner; a slide groove is opened on the inner liner, a traction part is arranged on one side of the shielding member, the traction part is slidably arranged in the slide groove and extends outward from the slide groove; the connecting rod is rotatably connected to the traction part.

7. The cooking device according to claim 2 or 3, characterized in that: The installation cavity is arranged along the inner wall of the inner container and protrudes outward from the inner container.

8. The cooking device according to claim 2, characterized in that The shielding member is hinged to the inner container, and the driving mechanism drives the shielding member to flip over to close or open the opening of the installation cavity.

9. The cooking device according to claim 1, characterized in that: The graphene heating tube is arranged on the top of the cooking cavity.

10. The cooking device according to claim 1, characterized in that The graphene heating tube comprises an outer tube, an inner tube sleeved in the outer tube, electrodes connected to both ends of the inner tube, and insulating heads fixed to both ends of the outer tube; a graphene layer is provided on the outer surface of the inner tube.