CN212408756U

CN212408756U - Microwave cooking apparatus

Info

Publication number: CN212408756U
Application number: CN202021142189.5U
Authority: CN
Inventors: 黄永超
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-01-26
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a microwave cooking equipment, microwave cooking equipment includes: the oven body comprises a tray for supporting a container to be cooked; the metal detector is arranged on the oven body and comprises a magnet for magnetizing the container to be cooked made of magnetic materials on the tray and a magnetic sensing element for detecting whether the container to be cooked on the tray is magnetized or not, and the magnetic sensing element and the magnet are spaced by a preset distance. According to the utility model discloses a microwave cooking equipment can effectively detect the container of waiting to cook that magnetic material made, simple structure, and the cost is lower.

Description

Microwave cooking apparatus

Technical Field

The utility model belongs to the technical field of the microwave cooking, particularly, relate to a microwave cooking equipment.

Background

With the gradual development and progress of science and technology, the living standard of people is gradually improved, and the ownership rate of families to microwave oven products is increased year by year. In the daily use process of the microwave oven, if food is placed in the metal container for heating, even if the food is burnt for one hour, the temperature of the food in the container cannot rise, because the microwave is completely reflected back immediately after meeting the metal container, and the food cannot be heated by a heat source. Even more dangerous, the high frequency microwaves are totally reflected back, which creates an electronic "high frequency short circuit" that can cause the anode of the tube emitting the microwaves to generate high temperatures that burn to red and damage the tube. Food containers for use in microwave ovens are critical and can generally be made of ceramic or specialty plastics, but not metal or enamel. This is because the microwave striking the metal product will cause "short circuits" and reflection phenomena. Many people, especially the elderly, are not aware of the inability to place metal containers inside microwave ovens.

In the related art, few microwave ovens with metal detection functions have the metal detection function, because related detection circuits are complex, the integration level is low, the cost is high, and the popularization is difficult, and few microwave oven products have the metal detection function.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a microwave cooking equipment, microwave cooking equipment can detect the container of waiting to cook of being made by magnetic material of putting into microwave cooking equipment, and simple structure, low in production cost.

According to the utility model discloses microwave cooking equipment, include: the oven body comprises a tray for supporting a container to be cooked; the metal detector is arranged on the oven body and comprises a magnet for magnetizing the container to be cooked made of magnetic materials on the tray and a magnetic sensing element for detecting whether the container to be cooked on the tray is magnetized or not, and the magnetic sensing element and the magnet are spaced by a preset distance.

According to the utility model discloses microwave cooking equipment can effectively detect the container of waiting to cook that magnetic material made, simple structure, and the cost is lower.

According to some embodiments of the invention, at least one of the magnet and the magnetic sensor is mounted on a bottom surface of the tray.

According to some embodiments of the invention, at least one of the magnet and the magneto-sensitive element is embedded in the tray.

According to some embodiments of the invention, at least one of the magnet and the magnetic sensor is disposed below and adjacent to the tray.

According to some embodiments of the utility model, be equipped with a plurality of metal detector on the furnace body.

According to the microwave cooking device of the embodiment of the utility model, the metal detector comprises a magnet and a magnetic sensing element; or the metal detector comprises a magnet and a plurality of magnetic sensing elements; or the metal detector comprises a plurality of magnets and a magnetic sensing element; or the metal detector comprises a plurality of magnets and a plurality of magneto-sensitive elements.

According to some embodiments of the present invention, the microwave cooking apparatus further comprises: and the prompting piece is used for sending out prompting information after the magnetic sensitive element detects the magnetization of the container to be cooked, and the prompting piece is in signal transmission with the magnetic sensitive element.

According to some embodiments of the invention, the tray is rotatably disposed at a bottom portion within the furnace body.

According to some embodiments of the utility model, the metal detector still includes control unit and buzzer warning circuit, and magnetic sensing element and buzzer warning circuit all link to each other with control unit.

According to some embodiments of the invention, the magnet is a magnet and the magnetic sensing element is a reed switch.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a microwave cooking apparatus according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a microwave cooking apparatus according to an embodiment of the present invention for detecting a container to be cooked;

fig. 3 is a step diagram of detecting a container to be cooked of a microwave cooking apparatus according to an embodiment of the present invention.

Reference numerals:

the microwave cooking apparatus 1 is provided with a microwave cooking device,

the tray 10, the magnet 20, the magnetic sensor 30,

the vessel (2) to be cooked is,

the circuit comprises a power supply A, a control unit B, a buzzer a, an amplifier B, a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, a microwave cooking device 1 according to an embodiment of the present invention includes a furnace body and a metal detector.

In particular, the oven comprises a tray 10 for supporting the container to be cooked 2; the metal detector is provided on the oven body, the metal detector includes a magnet 20 for magnetizing the vessel to be cooked 2 made of a magnetic material on the tray 10 and a magneto-sensitive element 30 for detecting whether the vessel to be cooked 2 on the tray 10 is magnetized, and the magneto-sensitive element 30 is spaced apart from the magnet 20 by a predetermined distance. The magnetic sensing element 30 can sense the change of the magnetic field and sense the approaching magnetic object, and the magnetic sensing element 30 is spaced apart from the magnet 20 by a predetermined distance, so that the magnetic sensing element 30 does not affect the detection result due to the interference of the magnetic field generated by the magnet 20, that is, when the container to be cooked 2 placed on the tray 10 by the user is not made of a magnetic material, or when the user does not place any container to be cooked 2 on the tray 10, the magnetic sensing element 30 does not generate an erroneous detection result due to the interference of the magnet 20. The "predetermined distance" herein is a safe distance that the magnetic sensing element 30 is not affected by the magnet 20, and can be properly designed according to the specific positions where the magnet 20 and the magnetic sensing element 30 are disposed and the inside size of the oven body of the microwave cooking apparatus 1. Thus, when the user places the container to be cooked 2 made of the magnetic material on the tray 10, the magnet 20 magnetizes the container to be cooked 2 made of the magnetic material on the tray 10, so that the container to be cooked 2 has magnetism, and the container to be cooked 2 is close to the magnetic sensor 30 in the inner space of the oven body due to the large volume of the container to be cooked 2, so that the magnetic sensor 30 is influenced by the magnetic field of the container to be cooked 2 to detect the magnetization of the container to be cooked 2, thereby determining that the container to be cooked 2 placed on the tray 10 by the user is an unusable container.

It should be noted that the magnet 20 is required to be disposed at any position where the user can put the container to be cooked 2 made of magnetic material with any common size into the tray 10 to be magnetized; the magnetic sensor 30 is required to be disposed at any position of the tray 10 where the user can detect the container 2 to be cooked made of magnetized magnetic material of any conventional size.

According to some embodiments of the present invention, at least one of the magnet 20 and the magnetic sensor 30 is installed on the bottom surface of the tray 10, thereby enabling the vessel to be cooked 2 made of a magnetic material to be easily magnetized by the magnet 20 when placed on the tray 10 and/or the vessel to be cooked 2 after being magnetized to be easily detected by the magnetic sensor 30.

It is understood that in some embodiments of the present invention, it may be that the magnet 20 is mounted on the bottom surface of the tray 10 and the magnetic sensing element 30 is mounted at other positions; the magnetic sensing element 30 may be mounted on the bottom surface of the tray 10, and the magnet 20 may be mounted at another position; it is also possible that the magnet 20 and the magnetic sensor 30 are both mounted on the bottom surface of the tray 10. Preferably, the magnet 20 and the magnetic sensing element 30 are mounted on the bottom surface of the tray 10, but the present application is not limited thereto.

According to some embodiments of the present invention, at least one of the magnet 20 and the magnetic sensor 30 is embedded in the tray 10, thereby enabling the vessel to be cooked 2 made of magnetic material to be easily magnetized by the magnet 20 when placed on the tray 10 and/or the vessel to be cooked 2 after being magnetized to be easily detected by the magnetic sensor 30.

It is understood that in some embodiments of the present invention, it may be that the magnet 20 is embedded in the tray 10 and the magnetic sensing element 30 is disposed at other locations, such as the magnetic sensing element 30 is disposed on the bottom surface of the tray 10; it is also possible that the magnetic sensing element 30 is embedded in the tray 10, and the magnet 20 is disposed at other positions, for example, the magnet 20 is disposed on the bottom surface of the tray 10; it is also possible that both the magnet 20 and the magnetic sensor 30 are embedded in the tray 10. Preferably, the magnet 20 and the magnetic sensing element 30 are embedded in the tray 10, but the present application is not limited thereto.

According to some embodiments of the present invention, at least one of the magnet 20 and the magnetic sensor 30 is disposed below the tray 10 and adjacent to the tray 10, thereby enabling the vessel to be cooked 2 made of a magnetic material to be easily magnetized by the magnet 20 when placed on the tray 10 and/or the vessel to be cooked 2 after being magnetized to be easily detected by the magnetic sensor 30.

It is understood that in some embodiments of the present invention, the magnet 20 may be disposed below the tray 10 and adjacent to the tray 10 and the magnetic sensing element 30 may be disposed at other positions, such as the magnetic sensing element 30 disposed on the bottom surface of the tray 10, or the magnetic sensing element 30 embedded in the tray 10; the magnetic sensing element 30 can be arranged on the tray 10, and the magnet 20 can be arranged at other positions, such as the magnet 20 is arranged on the bottom surface of the tray 10, or the magnet 20 is embedded in the tray 10; it is also possible that both the magnet 20 and the magnetic sensor 30 are provided in the tray 10. Preferably, the magnet 20 and the magnetic sensor 30 are both disposed below the tray 10 and adjacent to the tray 10, but the present application is not limited thereto.

According to the utility model discloses a some embodiments are equipped with a plurality of metal detector on the furnace body, can further promote the accuracy that detects when placing the waiting cooking container 2 that makes magnetic material on tray 10 to the user from this, further promote the security that the user used microwave cooking equipment 1.

According to the microwave cooking apparatus 1 of the embodiment of the present invention, the metal detector includes a magnet 20 and a magnetic sensor 30; or the metal detector comprises a magnet 20 and a plurality of magneto-sensitive elements 30; or the metal detector comprises a plurality of magnets 20 and a magneto-sensitive element 30; or the metal detector comprises a plurality of magnets 20 and a plurality of magnetic sensing elements 30, thereby enabling the metal detector to be suitable for the detection accuracy of microwave cooking apparatuses 1 with different size specifications when containers 2 to be cooked made of magnetic materials are placed on the tray 10.

It is understood that, in some embodiments of the present invention, when the metal detector includes one magnet 20 and a plurality of magnetic sensors 30, the magnet 20 may be installed on the bottom surface of the tray 10 and the plurality of magnetic sensors 30 may be installed at other positions; the plurality of magnetic sensing elements 30 may be mounted on the bottom surface of the tray 10, and the magnet 20 may be mounted at other positions; it is also possible that the magnet 20 and the plurality of magnetic sensors 30 are mounted on the bottom surface of the tray 10. Preferably, the magnet 20 and the plurality of magnetic sensing elements 30 are mounted on the bottom surface of the tray 10, but the present application is not limited thereto.

When the metal detector includes a magnet 20 and a plurality of magnetic sensors 30, in other embodiments of the present invention, the magnet 20 may be embedded in the tray 10 and the plurality of magnetic sensors 30 may be disposed at other positions, for example, the plurality of magnetic sensors 30 may be disposed on the bottom surface of the tray 10; alternatively, a plurality of magnetic sensors 30 may be embedded in different positions of the tray 10, and the magnet 20 may be disposed at other positions, for example, the magnet 20 may be disposed on the bottom surface of the tray 10; alternatively, the magnet 20 and the plurality of magnetic sensors 30 may be embedded in the tray 10. Preferably, the magnet 20 and the plurality of magnetic sensors 30 are embedded in the tray 10, but the present application is not limited thereto.

When the metal detector comprises a magnet 20 and a plurality of magnetic sensors 30, in other embodiments of the present invention, the magnet 20 is disposed below the tray 10 and adjacent to the tray 10, and the plurality of magnetic sensors 30 are disposed at other positions, for example, the plurality of magnetic sensors 30 are disposed on the bottom surface of the tray 10, or the plurality of magnetic sensors 30 are embedded in the tray 10; the plurality of magnetic sensing elements 30 can be arranged on the tray 10, and the magnet 20 can be arranged at other positions, such as the magnet 20 is arranged on the bottom surface of the tray 10, or the magnet 20 is embedded in the tray 10; it is also possible that the magnet 20 and the plurality of magnetic sensors 30 are provided in the tray 10. Preferably, the magnet 20 and the plurality of magnetic sensors 30 are disposed below the tray 10 and adjacent to the tray 10, but the present application is not limited thereto.

When the metal detector includes a magnet 20 and a plurality of magnetic sensors 30, in other embodiments of the present invention, the magnet 20 may be mounted on the bottom surface of the tray 10, a portion of the plurality of magnetic sensors 30 may be mounted on the bottom surface of the tray 10, and another portion of the plurality of magnetic sensors 30 may be embedded in the tray 10; it is also possible that the magnet 20 is mounted on the bottom surface of the tray 10, a part of the plurality of magnetic sensing elements 30 is embedded in the tray 10, and another part of the plurality of magnetic sensing elements 30 is disposed below the tray 10 and adjacent to the tray 10. The above schemes are only listed, and other combination schemes can be set as required, the utility model discloses do not do exhaustively.

According to some embodiments of the utility model, microwave cooking equipment 1 is still including being used for sending the suggestion piece of prompt message after magnetic sensing element 30 detects treating cooking container 2 magnetization, suggestion piece and magnetic sensing element 30 signal transmission, can detect in time reminding the user after treating cooking container 2 magnetization at magnetic sensing element 30 from this, prevents to take place the incident.

It should be noted that the prompt information sent by the prompt component may be character information flashing on the human-computer interaction screen, may also be an icon flashing on the human-computer interaction screen, may also be voice prompt information, and of course, may also be character information flashing on the human-computer interaction screen combined with the voice prompt information, and may also be an icon flashing on the human-computer interaction screen combined with the voice prompt information.

According to some embodiments of the present invention, the tray 10 is rotatably provided at the bottom inside the oven body, thereby enabling the rotation of the container 2 to be cooked so that the container 2 to be cooked is heated uniformly and the magnet 20 and the magnetic sensor 30 are more conveniently installed.

According to some embodiments of the utility model, the metal detector still includes the alarm circuit of control unit B and bee calling organ a, and magnetic sensing element 30 and bee calling organ a alarm circuit all link to each other with control unit B, realize treating the detection of cooking container 2 magnetization and the warning to the user from this.

According to some embodiments of the present invention, the magnet 20 is a magnet, and the magnetic sensing element 30 is a reed pipe, so that the structure of the magnet 20 and the magnetic sensing element 30 is simple, and the cost is low, thereby reducing the overall cost of the microwave cooking apparatus 1.

As shown in fig. 2, in some embodiments of the present invention, in the magnetic sensor 30 circuit, the reed switch is in a normally open state, one end of the reed switch and one end of the first resistor R1 are connected to the control unit B, the other end of the reed switch is grounded, and the other end of the first resistor R1 is connected to the power supply. When the magnetized container to be cooked 2 is not detected, the level detected by the control unit B through the magnetic sensor 30 circuit is high level, and when the container to be cooked 2 made of magnetic material is placed on the tray 10, the magnetized container to be cooked 2 causes the reed switch to be closed, and the level detected by the control unit B through the magnetic sensor 30 circuit is low level.

As shown in fig. 2, in some embodiments of the present invention, in the buzzer a alarm circuit, one end of the second resistor R2 is connected to the power supply, the other end of the second resistor R2 is connected to one end of the buzzer a, the other end of the buzzer a is connected to the amplifier B, one end of the amplifier B is connected to the third resistor R3, the other end of the amplifier B is grounded, the other end of the third resistor R3 is connected to the control unit B, one end of the fourth resistor R4 is connected to one end of the third resistor R3 connected to the amplifier B, and the other end of the fourth resistor R4 is grounded. As shown in fig. 3, in step S10, the user places the container 2 to be cooked on the tray, and then jumps to step S20, the control unit B determines whether the level output by the magnetic sensor 30 circuit is high, and when the control unit B detects a low level, jumps to step S40, the buzzer a sounds an alarm to warn that the container 2 to be cooked is incorrect and the microwave cooking apparatus 1 is not started, and when the container 2 to be cooked made of a magnetic material is removed, then jumps to step S20 from step S40, the control unit B determines whether the level output by the magnetic sensor 30 circuit is high, and after the level detected by the control unit B through the magnetic sensor 30 circuit is high, jumps to step S30 from step S20, and the microwave cooking apparatus 1 can normally operate.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A microwave cooking apparatus, comprising:

a furnace body including a tray for supporting a container to be cooked;

the metal detector is arranged on the oven body and comprises a magnet and a magnetic sensing element, the magnet is used for magnetizing a container to be cooked on the tray, the container to be cooked is made of a magnetic material, the magnetic sensing element is used for detecting whether the container to be cooked on the tray is magnetized, and the magnetic sensing element and the magnet are spaced by a preset distance.

2. A microwave cooking apparatus according to claim 1, wherein at least one of the magnet and the magnetic sensing element is mounted on a bottom surface of the tray.

3. A microwave cooking apparatus according to claim 1, wherein at least one of the magnet and the magneto-sensitive element is embedded in the tray.

4. A microwave cooking apparatus according to claim 1, wherein at least one of the magnet and the magnetic sensing element is disposed below and adjacent to the tray.

5. The microwave cooking apparatus according to claim 1, wherein a plurality of the metal detectors are provided on the oven body.

6. Microwave cooking apparatus according to any of claims 1-5,

the metal detector comprises a magnet and a magnetic sensing element; or

The metal detector comprises a magnet and a plurality of magnetic sensing elements; or

The metal detector comprises a plurality of magnets and a magnetic sensing element; or

The metal detector includes a plurality of magnets and a plurality of magneto-sensitive elements.

7. Microwave cooking apparatus according to any of claims 1-5, characterized in that the microwave cooking apparatus further comprises:

and the prompting piece is used for sending out prompting information after the magnetic sensing element detects that the container to be cooked is magnetized, and the prompting piece is in signal transmission with the magnetic sensing element.

8. The microwave cooking apparatus of claim 1, wherein the tray is rotatably disposed at a bottom portion within the oven body.

9. The microwave cooking apparatus according to claim 1, wherein the metal detector further comprises a control unit and a buzzer alarm circuit, both the magnetic sensing element and the buzzer alarm circuit being connected to the control unit.

10. The microwave cooking apparatus according to claim 1, wherein the magnet is a magnet and the magnetic sensing element is a reed switch.