WO2023185612A1

WO2023185612A1 - Refrigerator and ultrasonic processing device thereof

Info

Publication number: WO2023185612A1
Application number: PCT/CN2023/083277
Authority: WO
Inventors: 王晶; 赵斌堂; 费斌; 王丽燕
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2022-03-31
Filing date: 2023-03-23
Publication date: 2023-10-05
Also published as: CN116928935A

Abstract

Provided in the present invention are a refrigerator and an ultrasonic processing device thereof. The ultrasonic processing device comprises: a container, used for holding food to be processed; at least one ultrasonic transducer, fixed to the outer side of the bottom wall of the container; a base, provided with an upward opening, and used for the container to be placed in, wherein when the container is placed in the base, an interlayer space for accommodating the ultrasonic transducer is formed between the bottom wall of the container and the bottom wall of the base; and at least one heat transfer element, provided on the inner side of the bottom wall of the base, wherein the upper surface of the heat transfer element is coated with a flexible heat conduction material, and the bottom wall of the container abuts against the flexible heat conduction material. The present invention has the advantages of dispersing heat transferred to the container from the ultrasonic transducer, preventing the heat from being concentrated in a local area of the container, reducing the heating rate of the container, increasing a single on-duration of the ultrasonic transducer, and shortening the total duration required for marinating food.

Description

A refrigerator and its ultrasonic treatment device

Technical field

The present invention relates to the technical field of refrigeration and freezing, and in particular to a refrigerator and an ultrasonic treatment device thereof.

Background technique

At present, ultrasonic pickling equipment is gradually favored by the majority of users because of its fast pickling speed and good pickling effect. In existing ultrasonic pickling equipment, the transducer is usually directly fixed at the bottom of the container. When working, the transducer will generate a lot of heat. In order to avoid heat being concentrated at the bottom of the container and causing the surface of the ingredients inside to mature, during use It is necessary to control the transducer to start and stop alternately according to the set startup ratio, so as to cool the transducer in time. However, this will also cause the total time of marinating ingredients to be longer, which needs to be improved.

Contents of the invention

An object of the first aspect of the present invention is to disperse the heat transferred from the ultrasonic transducer to the container, prevent the heat from being concentrated in a local area of the container, and slow down the heating rate of the container.

A further object of the first aspect of the invention is to improve the heat dissipation capacity of the heat transfer element.

A second object of the present invention is to provide a refrigerator.

In particular, according to a first aspect of the invention, the invention provides an ultrasonic treatment device, comprising:

Containers for holding ingredients to be processed;

At least one ultrasonic transducer fixed to the outside of the bottom wall of the container;

a base defining an upward opening for a container to be placed therein;

When the container is placed in the base, an interlayer space for accommodating the ultrasonic transducer is formed between the bottom wall of the container and the bottom wall of the base;

At least one heat transfer element is disposed inside the bottom wall of the base. The upper surface of the heat transfer element is coated with a flexible thermal conductive material. The bottom wall of the container presses against the flexible thermal conductive material.

Optionally, the corresponding areas of the bottom wall of the base and the heat transfer member are provided with through-going heat dissipation openings.

Optionally, the heat transfer member is a plate-shaped structural member.

Optionally, the heat transfer member includes a first heat transfer plate, at least part of the first heat transfer plate is formed with a raised portion protruding upward, the upper surface of the raised portion is a continuous horizontal surface, and the flexible thermally conductive material is coated on the raised portion. The upper surface of the origin.

Optionally, the heat transfer member includes a second heat transfer plate, two ends of the second heat transfer plate are formed with downwardly extending side plates, and the lower end of each side plate is formed with a horizontally outwardly extending bottom plate;

The upper surface of the second heat transfer plate is a continuous horizontal surface, and the flexible thermal conductive material is coated on the upper surface of the second heat transfer plate.

Optionally, the heat transfer member further includes heat transfer fins, which are corrugated and fixed to the lower surface of the second heat transfer plate along the length direction of the second heat transfer plate.

Optionally, three ultrasonic transducers are provided, and the three ultrasonic transducers are fixed on the outside of the bottom wall of the container at equal intervals along the length direction of the container;

There are two heat transfer members, which are relatively fixed on the bottom wall of the base along the length direction of the base, and are symmetrically distributed with respect to the straight line connecting the centers of the ultrasonic transducers.

Optionally, the heat transfer member is a copper heat transfer member or an aluminum heat transfer member.

Optionally, the flexible thermally conductive material is thermally conductive silicone grease.

According to a second aspect of the present invention, the present invention provides a refrigerator, including a box body defining a storage compartment, and any one of the above ultrasonic processing devices is installed in the storage compartment.

In the ultrasonic treatment device of the present invention, the ultrasonic transducer is fixed on the bottom wall of the container. The bottom wall of the container is indirectly connected to the heat transfer member through a flexible thermal conductive material. The lower end of the heat transfer member is connected to the base. When the ultrasonic transducer is working Driving the container to vibrate, the flexible thermally conductive material will not hinder the normal vibration of the container, but can also quickly transfer the heat of the container to the base through the heat transfer component, thereby preventing the heat generated by the ultrasonic transducer from being concentrated in the container and delaying the flow of heat in local areas of the container. The heating speed allows the user to appropriately increase the startup ratio of the ultrasonic transducer, which can significantly shorten the total time required for marinating ingredients.

Furthermore, in the ultrasonic treatment device of the present invention, the heat transfer member may also include heat transfer fins, the heat transfer fins are corrugated, and the heat transfer fins are fixed to the second heat transfer plate along the length direction of the second heat transfer plate. the lower surface. The arrangement of heat transfer fins can slow down the overall temperature rise rate of the heat transfer member, thereby allowing it to receive more heat from the container. In addition, the arrangement of heat transfer fins also increases the contact area between the heat transfer element and the cold air, thereby improving the heat dissipation capacity of the heat transfer element.

From the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will further understand the above and other objects, advantages and features of the present invention.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be construed as limiting the invention. Also throughout the drawings, the same reference characters are used to designate the same components. In the attached picture:

Figure 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;

Figure 2 is a schematic structural diagram of an ultrasonic treatment device according to an embodiment of the present invention;

Figure 3 is an exploded view of an ultrasonic treatment device according to one embodiment of the present invention;

Figure 4 is a schematic structural diagram of a heat transfer element according to an embodiment of the present invention;

Figure 5 is a schematic structural diagram of a heat transfer element according to another embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a thorough understanding of the disclosure, and to fully convey the scope of the disclosure to those skilled in the art.

The present invention first provides a refrigerator 10. Figure 1 is a schematic structural diagram of the refrigerator 10 according to an embodiment of the present invention. Referring to Figure 1, the refrigerator 10 generally includes a box 100. One or more refrigerators are formed in the box 100. There are three storage compartments 110, and the storage compartment 110 can be configured into a refrigerated storage compartment 110, a frozen storage compartment 110, and a variable temperature storage compartment 110 according to the refrigeration temperature. Specifically, the number, functions, layout, etc. of the storage compartments 110 can be configured according to actual needs.

An ultrasonic processing device 200 is provided in the storage compartment 110. The ultrasonic processing device 200 is mainly used for pickling food materials to improve the pickling speed and pickling effect of the food materials. The storage compartment 110 in which it is located can be the refrigeration unit of the refrigerator 10. The storage compartment 110 can be configured with a temperature of 0°C to 10°C to provide a low-temperature environment for marinating ingredients, inhibit the growth and reproduction of bacteria, and prevent the ingredients from spoiling during the marinating process.

Figure 2 is a schematic structural diagram of an ultrasonic treatment device 200 according to one embodiment of the present invention. Figure 3 is an exploded view of the ultrasonic treatment device 200 according to one embodiment of the present invention. Figure 4 is a heat transfer member 240 according to one embodiment of the present invention. Structural diagram.

Referring to FIGS. 2 to 4 , the ultrasonic treatment device 200 may include a container 210 , at least one ultrasonic transducer 220 , and a base 230 . The container 210 is used to hold food materials to be processed, and the ultrasonic transducer 220 is fixed to the bottom wall of the container 210 The outer side is used to apply ultrasonic action to the food in the container 210. The base 230 defines an upward opening for the container 210 to be placed inside. When the container 210 is placed in the base 230, an interlayer space for accommodating the ultrasonic transducer 220 is formed between the bottom wall of the container 210 and the bottom wall of the base 230. At least one heat transfer member 240 is disposed inside the bottom wall of the base 230. The upper surface of the heat transfer member 240 is coated with a flexible heat conductive material 250. The bottom wall of the container 210 is pressed against the flexible heat conductive material 250.

In the ultrasonic treatment device 200 according to the embodiment of the present invention, the ultrasonic transducer 220 is fixed on the bottom wall of the container 210. The bottom wall of the container 210 is indirectly connected to the heat transfer member 240 through the flexible heat conductive material 250, and the lower end of the heat transfer member 240 is connected to the base 230. The ultrasonic transducer 220 drives the container 210 to vibrate when working, and the flexible heat conductive material 250 will not hinder The normal vibration of the container 210 can quickly transfer the heat of the container 210 to the base 230 through the heat transfer member 240, thus preventing the heat generated by the ultrasonic transducer 220 from being concentrated in the container 210 and slowing down the heating rate of the local area of the container 210. This allows the user to appropriately increase the startup ratio of the ultrasonic transducer 220, thereby significantly shortening the total time required for marinating ingredients.

It can be understood that the startup ratio mentioned in this embodiment refers to the ratio of the startup time to the shutdown time of the ultrasonic transducer 220. When the ultrasonic transducer 220 is working, the temperature of each part of the container 210 must not exceed the temperature threshold. The temperature The threshold is generally 35°C, otherwise the surface of the food will be cooked. By arranging the heat transfer member 240, most of the heat can be transferred to the base 230 first, thereby slowing down the heating speed of the container 210, thus extending the single start-up time of the ultrasonic transducer 220, increasing the start-up ratio, and shortening the time for ingredients to be used. Total marinating time required.

The corresponding area between the bottom wall of the base 230 and the heat transfer member 240 is provided with a through-passing heat dissipation port 231. The heat dissipation port 231 is arranged so that the cold air inside the storage compartment 110 can enter the base 230, and the bottom wall of the container 210 and the ultrasonic transducer The device 220 and the heat transfer member 240 dissipate heat.

A number of ultrasonic protrusions 211 are provided on the inside of the bottom wall of the container 210. The ultrasonic protrusions 211 can be formed by protruding upward from the bottom wall of the container 210. During the vibration process of the ultrasonic transducer 220, the ultrasonic protrusions 211 can continuously communicate with each other. When the food comes into contact, the fiber structure of the food is loosened, thereby accelerating the penetration and diffusion of the pickling liquid. Moreover, due to the breakage of the fiber structure of the food, the pickled food tastes better.

In this embodiment, the heat transfer member 240 may be a plate-shaped structural member. The plate-shaped structural member is cheap, easy to process and shape, and can be widely used in the ultrasonic treatment device 200 .

Referring to Figure 4, in an optional embodiment, the heat transfer member 240 may include a first heat transfer plate 241. At least part of the first heat transfer plate 241 is formed with a raised portion 242 that protrudes upward. The upper portion of the raised portion 242 The surface is a continuous horizontal surface, and the flexible thermally conductive material 250 is coated on the upper surface of the raised portion 242 . The height of the raised portion 242 can be set according to the interlayer space and the thickness of the flexible thermally conductive material 250, so that the bottom wall of the container 210 can continuously press against the flexible thermally conductive material 250 during the vibration of the container 210. The lower surface of the raised portion 242 can increase the heat dissipation area, so that the heat transferred to the heat transfer member 240 can be dissipated in a timely manner.

Referring to FIG. 5 , in another optional embodiment, the heat transfer member 240 may include a second heat transfer plate 243 , with downwardly extending side plates 244 formed at both ends of the second heat transfer plate 243 , and each side plate The lower end of 244 is formed with a bottom plate 245 extending horizontally outward. The upper surface of the second heat transfer plate 243 is a continuous horizontal surface. The flexible thermal conductive material 250 is coated on the upper surface of the second heat transfer plate 243 . The height of the side plate 244 can be adjusted according to the actual height of the mezzanine space, so that the bottom wall of the container 210 can continuously press against the flexible thermally conductive material 250 during the vibration process. Just go up.

Further, the heat transfer member 240 may also include heat transfer fins 246. The heat transfer fins 246 are corrugated. The heat transfer fins 246 are fixed to the bottom of the second heat transfer plate 243 along the length direction of the second heat transfer plate 243. surface. The arrangement of the heat transfer fins 246 can slow down the overall temperature rise speed of the heat transfer member 240, thereby receiving more heat from the container 210. In addition, the arrangement of the heat transfer fins 246 also increases the contact area between the heat transfer member 240 and the cold air, thereby improving the heat dissipation capacity of the heat transfer member 240.

It should be noted that the bottom wall of the base 230 is provided with horizontal slots around the heat dissipation opening 231. When the heat transfer member 240 is in the first structural form mentioned above, the periphery of the first heat transfer plate 241 of the heat transfer member 240 Can be inserted into the slot for fixation. When the heat transfer member 240 is in the second structural form mentioned above, the bottom plates 245 at both ends of the heat transfer member 240 can be correspondingly inserted into the slots for fixation. Of course, the heat transfer member 240 can also have other fixing forms. For example, in the first structural form, the first heat transfer plate 241 of the heat transfer member 240 is directly fixed on the bottom wall of the base 230. In the second structural form, , the bottom plate 245 of the heat transfer member 240 is directly fixed on the bottom wall of the base 230.

In this embodiment, there are three ultrasonic transducers 220 . The three ultrasonic transducers 220 are fixed on the outside of the bottom wall of the container 210 at equal intervals along the length direction of the container 210 . The ultrasonic transducers 220 are connected in series through pipelines. . There are two heat transfer members 240 . The two heat transfer members 240 are relatively fixed on the bottom wall of the base 230 along the length direction of the base 230 , and are symmetrically distributed with respect to the straight line connecting the centers of the ultrasonic transducers 220 . The heat transferred from the ultrasonic transducer 220 to the container 210 can be quickly dispersed and conducted to both sides through the two heat transfer members 240 , thus avoiding the concentration of heat in local areas of the container 210 .

In this embodiment, the heat transfer member 240 may be a copper heat transfer member 240 or an aluminum heat transfer member 240. The thermal conductivity of copper is 401 W/(m·K) and that of aluminum is 237 W/(m·K). Both of them have good thermal conductivity and low price, and are suitable for widespread use in the ultrasonic treatment device 200 .

In this embodiment, the flexible thermally conductive material 250 may be thermally conductive silicone grease. Thermal conductive silicone grease is a highly thermally conductive insulating silicone material that can maintain the grease state during use for a long time at temperatures of -50°C to +230°C. It is resistant to high and low temperatures, water, ozone, and weather aging, and has a wide range of applications. temperature and good stability in use.

According to any one of the above optional embodiments or a combination of multiple optional embodiments, embodiments of the present invention can achieve the following beneficial effects:

In the ultrasonic treatment device 200 according to the embodiment of the present invention, the ultrasonic transducer 220 is fixed on the bottom wall of the container 210. The bottom wall of the container 210 is indirectly connected to the heat transfer member 240 through the flexible thermal conductive material 250. The lower end of the heat transfer member 240 is connected to the base. 230 connection, the ultrasonic transducer 220 drives the container 210 to vibrate when working. The flexible thermally conductive material 250 will not hinder the normal vibration of the container 210, but can also quickly transfer the heat of the container 210 through the heat transfer member 240. to the base 230, thereby preventing the heat generated by the ultrasonic transducer 220 from being concentrated in the container 210, and slowing down the heating rate of the local area of the container 210, so that the user can appropriately increase the startup ratio of the ultrasonic transducer 220, which can significantly Reduce the total time required to marinate ingredients.

Further, in the ultrasonic treatment device 200 of the embodiment of the present invention, the heat transfer member 240 may also include heat transfer fins 246. The heat transfer fins 246 are corrugated, and the heat transfer fins 246 are along the length direction of the second heat transfer plate 243. Fixed to the lower surface of the second heat transfer plate 243. The arrangement of the heat transfer fins 246 can slow down the overall temperature rise speed of the heat transfer member 240, thereby receiving more heat from the container 210. In addition, the arrangement of the heat transfer fins 246 also increases the contact area between the heat transfer member 240 and the cold air, thereby improving the heat dissipation capacity of the heat transfer member 240.

By now, those skilled in the art will appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, the disclosed embodiments may still be practiced in accordance with the present invention without departing from the spirit and scope of the present invention. The content directly identifies or leads to many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

An ultrasonic treatment device including:

Containers for holding ingredients to be processed;

At least one ultrasonic transducer fixed to the outside of the bottom wall of the container;

a base defining an upward opening for the container to be placed therein;

When the container is placed in the base, a mezzanine space for accommodating the ultrasonic transducer is formed between the bottom wall of the container and the bottom wall of the base;

At least one heat transfer member is disposed inside the bottom wall of the base. The upper surface of the heat transfer member is coated with a flexible heat conductive material. The bottom wall of the container is pressed against the flexible heat conductive material.
The ultrasonic treatment device according to claim 1, wherein

The corresponding areas of the bottom wall of the base and the heat transfer member are provided with penetrating heat dissipation openings.
The ultrasonic treatment device according to claim 1, wherein

The heat transfer member is a plate-shaped structural member.
The ultrasonic treatment device according to claim 3, wherein

The heat transfer member includes a first heat transfer plate, at least part of the first heat transfer plate is formed with a raised portion protruding upward, the upper surface of the raised portion is a continuous horizontal surface, and the flexible thermally conductive material Coated on the upper surface of the raised portion.
The ultrasonic treatment device according to claim 3, wherein

The heat transfer member includes a second heat transfer plate, two ends of the second heat transfer plate are formed with downwardly extending side plates, and the lower end of each of the side plates is formed with a horizontally outwardly extending bottom plate;

The upper surface of the second heat transfer plate is a continuous horizontal surface, and the flexible thermal conductive material is coated on the upper surface of the second heat transfer plate.
The ultrasonic treatment device according to claim 5, wherein

The heat transfer member also includes heat transfer fins, which are corrugated and fixed to the lower surface of the second heat transfer plate along the length direction of the second heat transfer plate.
The ultrasonic treatment device according to claim 1, wherein

There are three ultrasonic transducers, and the three ultrasonic transducers are fixed on the outside of the bottom wall of the container at equal intervals along the length direction of the container;

There are two heat transfer members, and the two heat transfer members are relatively fixed on the base along the length direction of the base. On the bottom wall of the base, the ultrasonic transducers are symmetrically distributed with respect to the straight line connecting the centers of the ultrasonic transducers.
The ultrasonic treatment device according to claim 1, wherein

The heat transfer part is a copper heat transfer part or an aluminum heat transfer part.
The ultrasonic treatment device according to claim 1, wherein

The flexible thermally conductive material is thermally conductive silicone grease.
A refrigerator includes a box body in which a storage compartment is defined, and the ultrasonic treatment device according to any one of claims 1 to 9 is disposed in the storage compartment.