CN100516660C - a microwave oven - Google Patents

Abstract

A microwave oven comprises a casing, a balance measuring platform on the casing capable of putting food, a balance standard component in contact with the bottom of the balance measuring platform for sensing the location change of the balance measuring platform and measuring the weight of food and a balance base under the balance standard component. On the balance base there are outside and inside ribs to prevent water from permeating into the balance standard component of the microwave oven.

Description

a microwave oven

technical field

The invention relates to a microwave oven. In particular, protruding ribs and bent parts are inserted into the side of the scale base where the standard part of the scale is installed to prevent moisture from penetrating into the standard part of the scale. At the same time, the weight of the food to be measured is converted into calorie value and displayed The display part of the microwave oven.

Background technique

Generally speaking, a microwave oven is a device that irradiates food with microwaves generated by turning on a power supply to heat food.

When food is placed inside the microwave oven for cooking, according to different amounts of food, that is, according to different weights, the cooking processes such as working time and heating temperature of the microwave oven are also different. At present, the method for confirming the cooking progress mainly uses a method in which the user directly inputs the weight of the food.

In the above-mentioned method, the user needs to input the weight of the food every time in order to cook the food, and the weight of the food is generally measured by the user's feeling, so the cooking of the food cannot achieve the best effect.

In the prior art, in order to improve the deficiencies, a scale for measuring the weight of food is provided in the form of a standard part inside the cooking chamber of the microwave oven or outside the microwave oven, so as to measure the weight of the food, and display the measurement result through the display part or The cooking process is automatically set based on the measurement results.

However, the above prior art has the following problem: when food is cooked by a microwave oven equipped with a scale, the scale is exposed to the cooking environment or the moisture in the cooking process. For example, scales are exposed to moisture in the food, in the container the food is in, or in the cooking process, to name a few. The above moisture may infiltrate during the use of the microwave oven or the process of measuring food with the scale, so the standard part of the scale will be easily damaged or its measurement results will cause large errors. In addition, when other components are added to prevent moisture penetration, the structure becomes complicated, and the manufacturing cost of the product also increases.

Contents of the invention

The technical problem to be solved by the present invention is to provide a microwave oven in which the side of the scale base on which the scale standard part is installed is inserted into the protruding rib and the bending part to prevent moisture from penetrating, and has the function of measuring the food according to the scale standard part. A microwave oven with a display that displays weight converted to calorie value.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a microwave oven, which is a microwave oven with a scale capable of measuring the weight of food, including: exposed above the shell constituting the appearance of the microwave oven, and on which food can be placed Scale measuring platform; contact with the bottom of the scale measuring platform, sense the position change of the scale measuring platform, and measure the scale standard part of the weight of food with this; be arranged under the scale standard part, and support the scale base of the scale standard part; On the top of the scale base, an outer rib protrudes vertically upward along the edge to form an inner rib, and an inner rib protrudes vertically upward from the inner side of the outer rib to form an inner rib. The scale base is set at a certain distance from the top of the cooking chamber. The scale standard It is installed in the space formed by the inner rib, protruding downward under the scale measuring platform and inserting into the space formed between the inner rib and the outer rib, and forming a scale on the upper side of the shell. The opening of the measuring table is vertically bent downward at the end of the opening of the shell to form a bent portion, the bent portion is inserted into the space formed between the outer rib and the inner rib and is located outside the protruding rib.

A display part is arranged on the front side of the microwave oven, and the display part can display the weight value of the food measured by the standard part of the scale and/or the calorie value converted therefrom.

The beneficial effects of the present invention are: the present invention with the above structure can prevent moisture from penetrating into the standard part of the microwave oven, thus ensuring the safety of the microwave oven, and at the same time, it is convenient to know the calorie value of the food, which improves the convenience of use.

Description of drawings

Fig. 1 is an external perspective view of a microwave oven according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the structure of the microwave oven according to the embodiment of the present invention.

Fig. 3 is a front sectional view of the internal structure of the microwave oven according to the embodiment of the present invention.

Fig. 4 is a side sectional view of the internal structure of the microwave oven according to the embodiment of the present invention.

Fig. 5 is a partial front view of a microwave oven according to an embodiment of the present invention in a state where water penetration is prevented.

In the picture:

100: microwave oven 120: shell

122: Installation port 122: Bending part

140: bottom plate 160: rear plate

200: cooking room 220: door

240: rotating tray 300: control panel

320: Display part 340: Operation knob

360: Operation button 400: Power distribution cavity

420: Magnetron 440: High voltage transformer

460: High voltage capacitor 500: Scale base

520: lateral rib 540: medial rib

560: Mounting bracket 600: Scale standard parts

700: scale measuring platform 720: protruding rib

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in FIGS. 1 and 2 , the microwave oven 100 of the present invention is in the shape of a cuboid, wherein the shell 120 constitutes the appearance of the top and two sides of the microwave oven 100 . The casing 120 is combined with the bottom plate 140 and the rear plate 160 which constitute the bottom surface and rear appearance of the microwave oven 100 , thereby constituting the overall appearance of the microwave oven 100 .

An installation opening 122 is formed on an upper side of the housing 120 . A scale measuring platform 700 on which food can be placed is installed on the installation port 122 . In this embodiment, an upper side of the housing 120 is opened to form an installation opening 122 .

The installation port 122 corresponds to the shape of the balance base 500 to be described later, and the end of the opening of the installation port 122 is bent vertically downward to form a bent portion 122'.

The inner side of the housing 120 is formed with a cooking chamber 200 as a space for cooking food. The front of the cooking chamber 200 has an open shape, and a door 220 is provided on the front of the opening of the cooking chamber 200 so as to be rotatable based on one side thereof. The front of the opening of the cooking chamber 200 is thus selectively opened and closed by the rotation of the door 220 .

The inner bottom surface of the cooking chamber 200 is provided with a rotary tray 240 installed for cooking food, and a drive motor (not shown) capable of rotating the rotary tray 240 is installed on the lower side of the rotary tray 240 .

One side of the door 220 is provided with a control panel 300 exposed to the outside. The control panel 300 is provided with a display unit 320 for displaying the working status and cooking information of the microwave oven 100 ; and an operation knob 340 and an operation button 360 for operating the microwave oven 100 . The control panel 300 constitutes the front appearance of the microwave oven 100 together with the door 220 .

A power distribution cavity 400 is formed behind the control panel 300 , that is, on the right side of the cooking chamber 200 . Inside the power distribution chamber 400 are provided electrical components such as a magnetron 420 for generating microwaves, a high voltage transformer 440 and a high voltage capacitor 460 for providing high voltage power for the operation of the magnetron 420 .

A scale standard part 600 for measuring food weight and a scale base 500 supporting the scale standard part 600 are arranged above the cooking chamber 200 , and a scale measuring platform 700 is installed above the scale standard part 600 and the scale base 500 .

As shown in FIGS. 3 and 4 , a scale base 500 is arranged on the outside of the cooking chamber 200 . The scale base 500 supports the scale standard part 600 and can have various appearances corresponding to the shape of the scale standard part 600 .

An outer rib 520 and an inner rib 540 are respectively formed on the upper surface of the scale base 500 . The outer rib 520 is formed to protrude upward along the periphery of the scale base 500 and forms a certain space together with the inner rib 540 which will be described later.

In addition, the inner rib 540 is formed to protrude at a certain height along the inner side of the outer rib 520 . At this time, the inner space formed by the inner rib 540 has the same shape as the cross-sectional shape of the scale standard 600 in order to accommodate the scale standard 600 .

Mounting brackets 560 are formed on the lower two sides of the scale base 500 . The mounting bracket 560 keeps the scale base 500 at a certain distance from the top of the cooking chamber 200, and can protect the scale standard 600 from being damaged by heat generated in the cooking chamber 200 during cooking.

The mounting bracket 560 is formed by extending downward from the bottom of the scale base 500 , and its end is bent horizontally and then connected to the top of the cooking chamber 200 by screws or other connecting members.

The scale standard 600 is installed in the space formed by the inner rib 540 . The scale standard 600 measures the weight of food placed on the scale measuring platform. One side of the scale standard part 600 is in contact with the bottom of the scale measuring platform 700 , while the other side is fixed on one side of the scale base 500 .

In addition, a measuring sensor (not shown in the figure) is arranged on the scale standard part 600, and the measuring sensor (not shown in the figure) senses the change of the vertical height of the scale measuring platform 700 due to the weight of the food. The measuring sensor (not shown in the figure) either directly measures the height change of the scale measuring platform 700, or measures the deformation of the scale standard part 600 caused by the height change of the scale measuring platform 700, and senses the weight of the food with this.

A load cell or various other sensors using a load cell can be arranged on the scale standard 600, and the specific shape of the scale standard 600 is determined according to the type of measuring sensor used. At the same time, according to the shape of the scale standard 600 , the shape of the inner space of the inner rib 540 accommodating the scale standard 600 is also determined.

In the embodiment of the present invention, the method of setting the load cell on the scale standard part 600 in the shape of a square column is adopted, so the internal space of the inner rib 540 of the balance base 500 forms a quadrangular shape corresponding to the shape of the scale standard part 600 .

Furthermore, the outer rib 520 also forms a quadrangular shape corresponding to the shape of the inner rib 540 , so the balance base 500 forms a quadrangular shape as a whole. In addition, corresponding to the shape of the scale base 500 , the installation opening 122 formed on the casing 120 is also a quadrilateral shape.

The size of the installation opening 122 is larger than the quadrilateral formed by the inner rib 540 and smaller than the quadrilateral formed by the outer rib 520 , so the bent portion 122 ′ formed at the opening end of the installation opening 122 can be inserted into the outer rib 520 and the inner rib 540 . in the space between.

In addition, one side of the scale measuring platform 700 is inserted into the installation port 122 . The scale measuring stand 700 is formed in a plate shape, so food to be measured can be placed thereon. The scale measuring platform 700 is arranged on the upper surface of the casing 120 and exposed to the outside of the microwave oven 100 .

Protruding ribs 720 are formed on the bottom of the scale measuring platform 700 and protrude vertically downward. The protruding rib 720 is formed for mounting the scale measuring platform 700 , is inserted into a space formed along the outer rib 520 and the inner rib 540 , and has a substantially quadrangular shape.

When the scale standard part 600 is circular, the corresponding outer rib 520 and inner rib 540 are also circular. Furthermore, the mounting opening 122 of the housing 120 inserted into the space between the outer rib 520 and the inner rib 540 is also formed in a circular shape.

In addition, the bent portion 122' is also circular according to the shape of the installation opening 122, and the protruding rib 720 of the scale measuring platform 700 is also circular corresponding to the shape of the outer rib 520 and the inner rib 540.

The protruding rib 720 forms a certain space for accommodating the standard part 600 of the scale, and at the same time extends downward. That is, in order to accommodate the quadrangular scale standard 600 , the protruding rib 720 forms a quadrangular-shaped space inside.

The protruding rib 720 is inserted into the space formed by the outer rib 520 and the inner rib 540, and is located inside the bent portion 122' of the housing 120 and outside the inner rib 540. That is, the bent portion 122' of the case 120 and the protruding rib 720 are inserted into the space formed by the outer rib 520 and the inner rib 540.

A display unit 320 is provided on one side of the control panel 300 provided on the front side of the microwave oven 100 . The display unit 320 displays the state of the microwave oven 100 and cooking information, so that the user can easily confirm it.

Furthermore, the display unit 320 may display the weight of the food measured by the scale standard 600, or may display the result of converting the weight of the food into a calorie value.

The weight value of the food measured by the scale standard part 600 is converted into a calorie value through a separate control circuit. For the calorie value corresponding to different types of food, after the user specifies the type of food by operating the operation knob 340 or the operation button 360 , the weight value of the food is converted into a calorie value at a set ratio.

Below, the effect of the microwave oven of the present invention as above is described in detail:

First, the user opens and closes the front door 220 of the cooking chamber 200 , puts food on the upper portion of the rotating tray 240 , and then closes the door 220 to seal the cooking chamber 200 . Then, the user operates the operation button 360 and the operation knob 340 of the microwave oven 100 to set cooking time and temperature according to different types of food, thereby starting cooking.

Before the food is placed in the cooking chamber 200, the food is weighed by the scale measuring platform 700 arranged on the casing 120 of the microwave oven 100, and the result of the measurement is displayed on the display part 320, so the user can easily confirm the quality of the food to be cooked. weight.

When the user needs to know the calorie value of the food, the weight value of the food is displayed on the display part, and the operation button 360 and the operation knob 340 are operated to specify the type of food. At this time, the weight value of the food is converted from the weight value by the set ratio. The calorie value is displayed on the display unit 320.

The above-mentioned calorie value can be displayed together with the weight value, or the weight value or the calorie value can be displayed separately as required.

Food generally contains a lot of moisture, and due to the cooking process or the surrounding environment, the microwave oven 100 is usually exposed to an environment with a lot of moisture. In particular, when measuring the weight and calorie value of food with a lot of moisture, there is a possibility that moisture may permeate into the microwave oven 100 . A structure capable of preventing moisture penetration is shown in FIG. 5 .

As shown in FIG. 5 , the user places the food on the scale measuring platform 700 in order to measure the weight of the food. When food is placed on the top of the scale measuring platform 700, if water flows out, the moisture flowing out from the scale measuring platform 700 flows along the casing 120 to the installation port 122 formed with the bent portion 122', and flows through the installation. Moisture in the port 122 will gather in the space formed by the outer rib 520 and the inner rib 540 .

The moisture accumulated in the space between the outer rib 520 and the inner rib 540 will not penetrate into the scale standard 600 due to the effect of the inner rib 540 accommodating the scale standard 600 .

The above-mentioned present invention is not limited to the above-mentioned embodiments, and in the same technical field, those skilled in the art can easily make various other modifications on the basis of the content of the present invention.

To sum up, the microwave oven of the present invention is provided with a scale standard part for measuring the weight of the food on its upper part, and the scale measuring platform for placing the food is exposed on the upper surface of the casing when measuring the weight of the food. Therefore, the user does not have to open the door of the cooking chamber when measuring the weight of food. Therefore, when cooking with or without a microwave oven, the weight of the food can be simply measured, which improves the convenience of use of the product.

A certain space is formed between the inner rib and the outer rib of the scale base, and the bending part of the shell and the protruding rib of the scale measuring platform are inserted into the space. And the scale standard part is installed in the inner space formed by the inner rib. When the user is not careful or measures the weight of food, even if there is water flowing into the installation port on the casing, the water will not penetrate into the standard part of the scale, but will gather in the space formed between the inner rib and the outer rib, which can Protect the standard parts of the scale and improve the safety of the product. In addition, the base of the scale supporting the standard part of the scale maintains a certain distance from the upper surface of the cooking chamber through the installation bracket, thus preventing the large measurement error of the standard part of the scale due to the heat generated by the microwave oven, and improving the reliability of the product. Moreover, the weight of food measured by the scale standard can be easily converted into calorie value according to the preset ratio, and displayed on the display part, so the user can know the calorie value contained in the food before cooking, so provide the user with It is convenient, but also has a big difference from other products, so it can improve product awareness and purchasing power.

Claims (2)

1. A microwave oven, the microwave oven is a microwave oven with a scale capable of measuring the weight of food, comprising: a scale measuring platform (700) exposed on the outer shell constituting the appearance of the microwave oven and on which food can be placed; and a scale measuring platform ( 700) is in contact with the bottom of the scale measuring platform (700), and the scale standard part (600) for measuring the weight of food is arranged below the scale standard part (600) and supports the scale standard part (600). The scale base (500) of the scale base (500) is characterized in that on the top of the scale base (500), an outer rib (520) is formed vertically protruding upward along the edge, and an inner rib (520) is formed vertically protruding upward on the inner side of the outer rib (520). Ribs (540), the scale base (500) is arranged with a certain distance from the top of the cooking chamber (200), the scale standard part (600) is arranged in the space formed by the inner ribs (540), and the scale measuring platform (700) The bottom of the shell (120) protrudes downward to form a protruding rib (720) inserted into the space formed between the inner rib (540) and the outer rib (520). The opening (122) of the platform (700), and the end of the shell opening (122) is bent vertically downward to form a bent part (122'), and the bent part (122') is inserted into the outer rib (520) and In the space formed between the inner ribs (540) and outside the protruding ribs (720). 2. The microwave oven according to claim 1, characterized in that a display unit (320) is provided on the front side of the microwave oven, and the display unit (320) can display the weight value of the food measured by the standard part of the scale and/or This converted calorie value.

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