Ultrasonic electric cooker

By designing a structure in which the inner pot and ultrasonic transducer are in close contact in the ultrasonic rice cooker, and by setting up a dust cover and a water collection box, the problems of long cooking time and difficult cleaning are solved, achieving the effects of rapid flavor absorption and extending the life of the ultrasonic transducer.

CN224085072UActive Publication Date: 2026-04-07张观友
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing rice cookers lack pre-treatment functions before cooking, resulting in long cooking times, food not being able to absorb flavor quickly, difficulty in cleaning, and the ultrasonic transducer requiring frequent cleaning after use, which affects its lifespan.

Method used

An ultrasonic rice cooker was designed with the bottom of the inner pot in close contact with the top surface of the ultrasonic transducer to generate high-frequency mechanical vibration to accelerate liquid convection. The inner pot is also in close contact with the heating plate to simplify cleaning. A dust cover and a water collection box are provided to improve safety and convenience.

Benefits of technology

It shortens cooking time, improves the efficiency of food flavor absorption, simplifies the cleaning process, extends the service life of the ultrasonic transducer, and enhances the safety and convenience of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224085072U_ABST
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Abstract

The utility model discloses an ultrasonic electric cooker which comprises an outer cooker shell, and a cavity is formed in the center of the top of the outer cooker shell. The bottom face of the inner container can be tightly attached to the top face of a heating ring in the heating disc, meanwhile, the center of the bottom of the inner container can be tightly attached to the top face of the ultrasonic vibrator, after the inner container is pressed, the top face of the ultrasonic vibrator and the top face of the heating disc are both arranged on the same horizontal plane, and ultrasonic frequency electric energy higher than 20 KHZ is generated by the ultrasonic generator. Ultrasonic waves are converted into mechanical vibration with the same frequency through the ultrasonic vibrator, the mechanical vibration is transmitted into liquid in the pot, the ultrasonic waves are transmitted forwards in a sparse and dense alternate mode, and when the ultrasonic waves with certain strength are transmitted into a liquid medium in the pot, convection of the liquid in the pot is accelerated, and the uniform stirring effect can be achieved; therefore, a user does not need to clean the surface of the ultrasonic vibrator, the time of the user is saved, and meanwhile the service life of the ultrasonic vibrator is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric rice cookers, and particularly relates to an ultrasonic electric rice cooker. BACKGROUND

[0002] An electric rice cooker is a kind of kitchen appliance, mainly used for cooking rice, which converts electric energy into heat energy through an electric heating element to heat and cook food in the pot. The electric rice cooker has the characteristics of simple operation, fast cooking and good heat preservation, and is one of the indispensable appliances in modern family kitchens. Different brands and models of electric rice cookers also have a variety of functions, such as steaming, cooking, stewing and boiling soup, etc., to meet different cooking needs.

[0003] The cooking equipment on the market at present does not have the function of reducing purines before formal cooking, and the meat and blood are not removed before pre-treatment before cooking. The cooking time is long, and the food cannot be flavored in a short time. The extraction time of nutrients in food materials is long, and it is difficult to clean after cooking. Based on these problems, Chinese patent CN209047864U discloses a cooking equipment, the inner wall of the outer pot is provided with an elastic element, the upper end of the elastic element is connected with the base interface, so that the installation of the ultrasonic transducer can be further facilitated, the elastic element can be a spring or a soft elastic sheet, the cooking equipment further comprises a temperature detection device for detecting the temperature in the inner pot, and the temperature detection device is arranged in the ultrasonic transducer, so that the temperature detection device is built-in in the ultrasonic transducer, the ultrasonic transducer is in direct contact with the food, and the accuracy of temperature detection is enhanced.

[0004] Before use, the ultrasonic transducer needs to be vertically inserted into the inner pot, and also needs to be in contact with the food. Therefore, after use of the equipment, the user needs to clean the surface of the ultrasonic transducer in time, which wastes the user's time, and multiple cleaning and wiping of the ultrasonic transducer can also easily cause damage to the surface, thereby affecting the service life of the ultrasonic transducer. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] An ultrasonic electric rice cooker, including an outer pot shell, the top center of the outer pot shell is provided with a cavity, the bottom center of the inner wall of the cavity is fixedly connected with a heating disc, the heating disc is provided with an ultrasonic vibrator, the inner wall top of the cavity is sleeved with an inner container, the bottom outer edge of the inner container can be tightly attached to the top surface of the heating disc, the bottom center of the inner container can be tightly attached to the top surface of the ultrasonic vibrator, the rear end of the outer pot shell is provided with a wiring slot, one end of the inner wall of the wiring slot is sleeved with a dustproof cover, one end of the top of the outer pot shell is rotatably connected with a rotating assembly, the front end of the rotating assembly is fixedly connected with a pot cover.

[0008] As a further description of the above technical solutions:

[0009] The bottom outer edge of the outer pot shell is fixedly connected with a plurality of groups of supporting legs, and the bottom of each supporting leg is bonded with an anti-skid pad.

[0010] As a further description of the above technical solutions:

[0011] The front end of the outer pot shell is provided with a control panel, and the ultrasonic generator is installed below the control panel.

[0012] As a further description of the above technical solutions:

[0013] The control panel is electrically connected with the ultrasonic generator and the heating disc, and the ultrasonic generator is electrically connected with the ultrasonic vibrator.

[0014] As a further description of the above technical solutions:

[0015] The top of the rotating assembly is clamped with a water accumulation box, and the inner wall top of the water accumulation box is rotatably connected with an exhaust valve.

[0016] As a further description of the above technical solutions:

[0017] One end of the top of the pot cover penetrates a locking assembly, and the bottom of the locking assembly can be clamped with the other end of the top of the outer pot shell.

[0018] As a further description of the above technical solutions:

[0019] The bottom center of the pot cover is provided with a guide cavity, the bottom outer edge of the pot cover is fixedly connected with a limiting ring, one side of the inner wall of the guide cavity penetrates a guide pipe, and the distal end of the guide pipe penetrates the front end face of the water accumulation box.

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] (1) The bottom surface of the inner pot can be in close contact with the top surface of the heating ring in the heating plate, and the center of the bottom of the inner pot can be in close contact with the top surface of the ultrasonic transducer. After being pressed by the inner pot, the top surface of the ultrasonic transducer and the top surface of the heating plate are both set on the same horizontal plane. The ultrasonic generator generates ultrasonic electrical energy higher than 20KHZ, which is converted into mechanical vibration of the same frequency by the ultrasonic transducer. The mechanical vibration is transmitted into the liquid in the pot. The ultrasonic waves are transmitted forward in a sparse and dense manner. When a certain intensity of ultrasonic waves is transmitted into the liquid medium in the pot, the convection of the liquid in the pot is accelerated, which can play a role in uniform stirring and help to shorten the cooking time. Since the ultrasonic transducer only contacts the outer wall of the inner pot, the user does not need to clean the surface of the ultrasonic transducer, which not only saves the user's time, but also improves the service life of the ultrasonic transducer.

[0022] (2) By setting a dust cover, the safety of the wiring trough can be improved. When the wire plug needs to be inserted into the wiring trough, the dust cover can be lifted up. At this time, the dust cover can cover the connection structure between the wire plug and the wiring trough, thereby preventing the user from accidentally touching it or avoiding other adverse accidents. When the exhaust valve is turned on, the water vapor in the rice cooker will be quickly discharged from the exhaust valve. In order to prevent the water droplets after the water vapor liquefies from flowing back into the inner pot and affecting the taste of the food in the inner pot, the water collection box can be used to collect the water droplets. By setting a simple connection between the water collection box and the rotating component, the disassembly and assembly steps of the water collection box are more convenient and quick, and it is also convenient for the user to deal with the water collected in the water collection box. Attached Figure Description

[0023] Figure 1 This is a side sectional view of the present invention.

[0024] The correspondence between the labels and component names in the attached figures is as follows:

[0025] 1. Outer pot shell; 2. Cavity; 3. Heating plate; 4. Ultrasonic transducer; 5. Inner pot; 6. Support feet; 7. Anti-slip pad; 8. Control board; 9. Ultrasonic generator; 10. Wiring trough; 11. Dust cover; 12. Rotating assembly; 13. Water collection box; 14. Exhaust valve; 15. Pot lid; 16. Locking assembly; 17. Guide cavity; 18. Limiting ring; 19. Guide tube. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. The present invention provides the following embodiments.

[0029] Reference Figure 1 This utility model provides an embodiment of an ultrasonic rice cooker, including an outer pot shell 1. A cavity 2 is formed at the top center of the outer pot shell 1. A heating plate 3 is fixedly connected to the bottom center of the inner wall of the cavity 2. An ultrasonic transducer 4 is installed in the heating plate 3. The heating plate 3 is composed of a metal disc and a heating ring. The top outer edge of the metal disc is fixedly connected to the bottom of the heating ring. A detachable spring base is installed at the bottom of the ultrasonic transducer 4. An inner pot 5 is sleeved on the top of the inner wall of the cavity 2. The bottom surface of the inner pot 5 can be tightly attached to the top surface of the heating ring in the heating plate 3. At the same time, the bottom center of the inner pot 5 can be tightly attached to the top surface of the ultrasonic transducer 4. After being pressed by the inner pot 5, the top surface of the ultrasonic transducer 4 and the top surface of the heating plate 3 are both set on the same horizontal plane. Multiple sets of support feet 6 are fixedly connected to the bottom outer edge of the outer pot shell 1. Anti-slip pads 7 are glued to the bottom of each support foot 6. By setting the anti-slip pads 7, the stability of the entire rice cooker can be improved.

[0030] A control board 8 is installed at the front end of the outer pot shell 1, and an ultrasonic generator 9 is installed below the control board 8. Firstly, the control board 8 is electrically connected to the ultrasonic generator 9 and the heating plate 3. Secondly, the ultrasonic generator 9 is electrically connected to the ultrasonic transducer 4. The ultrasonic generator 9 generates ultrasonic electrical energy higher than 20kHz, which is converted into mechanical vibration of the same frequency by the ultrasonic transducer 4. The mechanical vibration is transmitted into the liquid inside the pot. The ultrasonic waves propagate forward in alternating dense and sparse patterns. When ultrasonic waves of a certain intensity are transmitted into the liquid medium inside the pot, the convection of the liquid inside the pot is accelerated, which can play a role in uniform stirring. A wiring groove 10 is provided at the rear end of the outer pot shell 1. A dust cover 11 is fitted onto one end of the inner wall of the wiring groove 10. By setting the dust cover 11, the safety of the wiring groove 10 can be improved. When it is necessary to insert the power cord into the wiring groove 10, the dust cover 11 can be lifted upwards. The dust cover 11 can shield the connection structure between the power cord plug and the wiring slot 10, thereby preventing accidental contact by the user or avoiding other adverse accidents. A rotating component 12 is rotatably connected to the top of the outer pot shell 1. A water collection box 13 is snapped onto the top of the rotating component 12. A perforation is opened on the front face of the water collection box 13. An exhaust valve 14 is rotatably connected to the top of the inner wall of the water collection box 13. When the exhaust valve 14 is turned open, the water vapor in the rice cooker will be quickly discharged from the exhaust valve 14. In order to prevent the water droplets after the water vapor liquefies from flowing back into the inner pot 5 and affecting the taste of the food in the inner pot 5, the water collection box 13 can be used to collect the water droplets. By setting a simple connection between the water collection box 13 and the rotating component 12, the disassembly and assembly of the water collection box 13 is more convenient and quick, and it is also convenient for the user to deal with the water collected in the water collection box 13.

[0031] A pot lid 15 is fixedly connected to the front end of the rotating assembly 12. A locking assembly 16 passes through one end of the top of the pot lid 15. The bottom of the locking assembly 16 can engage with the other end of the top of the outer pot shell 1. A guide cavity 17 is provided at the center of the bottom of the pot lid 15. A limiting ring 18 is fixedly connected to the outer edge of the bottom of the pot lid 15. When the locking assembly 16 fixes the pot lid 15 to the outer pot shell 1, the bottom of the limiting ring 18 is in close contact with the top of the inner pot 5, which not only fixes the inner pot 5, but also... The water vapor generated in the inner liner 5 is conducted through the guide tube 19, which directly enters the guide cavity 17. A guide tube 19 is inserted through one side of the inner wall of the guide cavity 17. The end of the guide tube 19 penetrates the front end of the water collection box 13. The end of the guide tube 19 is inserted into the water collection box 13 through the perforation on the front end of the water collection box 13. By setting the guide tube 19, the water vapor in the guide cavity 17 can be quickly introduced into the water collection box 13 and then discharged from the exhaust valve 14.

[0032] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. An ultrasonic rice cooker, comprising an outer pot shell (1), characterized in that: The outer pot shell (1) has a cavity (2) at the top center. A heating plate (3) is fixedly connected to the bottom center of the inner wall of the cavity (2). An ultrasonic transducer (4) is installed in the heating plate (3). An inner liner (5) is sleeved on the top of the inner wall of the cavity (2). The bottom outer edge of the inner liner (5) can be tightly attached to the top surface of the heating plate (3). The bottom center of the inner liner (5) can be tightly attached to the top surface of the ultrasonic transducer (4). A wiring groove (10) is provided at the rear end of the outer pot shell (1). A dust cover (11) is sleeved on one end of the inner wall of the wiring groove (10). A rotating assembly (12) is rotatably connected to the top end of the outer pot shell (1). A pot lid (15) is fixedly connected to the front end of the rotating assembly (12).

2. An ultrasonic rice cooker according to claim 1, characterized in that: Multiple sets of support legs (6) are fixedly connected to the bottom outer edge of the outer pot shell (1), and the bottom of each support leg (6) is glued with an anti-slip pad (7).

3. An ultrasonic rice cooker according to claim 1, characterized in that: A control board (8) is installed at the front end of the outer pot shell (1), and an ultrasonic generator (9) is installed below the control board (8).

4. An ultrasonic rice cooker according to claim 3, characterized in that: The control board (8) is electrically connected to the ultrasonic generator (9) and the heating plate (3), and the ultrasonic generator (9) is electrically connected to the ultrasonic transducer (4).

5. An ultrasonic rice cooker according to claim 1, characterized in that: The top of the rotating assembly (12) is snapped with a water collection box (13), and the top of the inner wall of the water collection box (13) is rotatably connected with an exhaust valve (14).

6. An ultrasonic rice cooker according to claim 5, characterized in that: A locking component (16) is inserted through the top end of the lid (15), and the bottom of the locking component (16) can be engaged with the other top end of the outer pot shell (1).

7. An ultrasonic rice cooker according to claim 6, characterized in that: A guide cavity (17) is provided at the bottom center of the pot lid (15), and a limit ring (18) is fixedly connected to the bottom outer edge of the pot lid (15). A guide tube (19) passes through one side of the inner wall of the guide cavity (17), and the end of the guide tube (19) passes through the front end face of the water collection box (13).

Citation Information

Patent Citations

  • Cooking device

    CN209047864U