CN102012050A - Microwave oven with intelligent induction function - Google Patents

Abstract

A microwave oven with intelligent induction function comprises a cavity, an intelligent induction element, a rear cover and a control device, wherein the cavity is provided with an opening, an inductor of the intelligent induction element is arranged at the opening, rays emitted by the inductor can enter the cavity, the microwave oven also comprises a rotating motor, the rotating motor is connected with the inductor of the intelligent induction element, an included angle between a rotating shaft of the rotating motor and a central shaft of the inductor is smaller than 90 degrees, and the central shaft of the inductor faces downwards into the cavity in an inclined mode; the rotating motor drives the inductor to rotate, so that the central shaft of the inductor rotates left and right. The microwave oven is also provided with a mounting rack, and the rotating motor and the intelligent sensing element are fixed on the rear cover behind the cavity body through the mounting rack. The invention has the advantages of enlarging the coverage range of rays emitted by the intelligent induction element in the cavity, improving the induction accuracy of the intelligent inductor, accurately judging the temperature in the oven cavity of the microwave oven and improving the cooking effect of the microwave oven.

Description

Microwave oven with smart sensor function

technical field

The invention relates to a microwave oven, in particular to a microwave oven with an intelligent induction function.

Background technique

The existing microwave ovens with intelligent sensing function generally have an opening on the cavity of the microwave oven, and then the intelligent sensing element is arranged near the opening, the rays emitted by the intelligent sensing element enter the cavity, and the information collected by the rays The chip transmitted to the intelligent sensing element, the chip processes the information and transmits it to the control box of the microwave oven, and converts it into visual information for the user to identify the heating degree of the food.

However, the disadvantages of the above-mentioned microwave ovens lie in that differences in the temperature distribution in the cavity and differences in the area covered by rays in the cavity will lead to differences in the judgment of the intelligent sensing element, thereby directly affecting the effect.

Contents of the invention

The object of the present invention is to provide a microwave oven with intelligent sensing function, which has a simple and reasonable structure, can accurately judge the temperature in the oven cavity of the microwave oven, improve the sensing accuracy of the intelligent sensing element, and improve the cooking effect of the microwave oven on food. , to overcome the deficiencies in the prior art.

A microwave oven with intelligent sensing function designed according to this purpose includes a cavity, an intelligent sensing element, a rear cover and a control device, wherein the cavity is provided with an opening, and the sensor of the intelligent sensing element is installed at the opening. The emitted rays can enter the cavity, and its structural feature is that it also includes a rotating motor, which is connected to the sensor of the intelligent sensing element, and the angle between the rotating shaft of the rotating motor and the central axis of the sensor is less than 90 degrees , the central axis of the inductor faces downward toward the cavity; the rotating motor drives the inductor to rotate, so that the central axis of the inductor rotates left and right.

The microwave oven is also provided with a mounting frame, and the rotating motor and the intelligent sensing element are fixed on the rear cover behind the cavity through the mounting frame.

The upper side of the rear wall of the cavity is provided with an inclined portion facing into the cavity, and the opening is located in the inclined portion.

The drive shaft of the rotary motor is connected to the edge of the inductor.

The microwave oven is also provided with a suction device for blowing air to the intelligent sensing element, and the suction device is installed in the space surrounded by the rear cover and the cavity.

The rear cover is provided with a non-metal part for preventing the microwave leaking from the cavity from interfering with the smart sensing element.

The intelligent sensing element is a digital infrared sensing device.

The present invention adds a rotating motor connected to the inductor of the intelligent sensing element, drives the inductor to rotate through the rotating motor, and makes the central axis of the inductor rotate left and right, thereby increasing the radiation emitted by the intelligent sensing element in the cavity. The coverage improves the sensing accuracy of the intelligent sensor, and can accurately judge the temperature in the oven cavity of the microwave oven, thereby improving the cooking effect of the microwave oven.

The present invention not only uses digital infrared sensing devices with digital output, solves the problem of poor temperature measurement accuracy of microwave ovens caused by infrared sensing devices with analog output, but also expands the ray scanning area of intelligent sensing elements to improve the sensing effect of intelligent sensing elements; and , the use of digital infrared sensing devices to shield the shell ensures the accuracy of temperature measurement and solves the problem of microwave interference; in addition, a simple suction device solves the problems of sensor lens cleaning and sensor component heat dissipation.

The invention has simple and reasonable structure, convenient operation, not only ensures the temperature measurement accuracy, but also reduces the manufacturing cost.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of a driving motor, an intelligent sensing element and a mounting frame.

Fig. 3 is a three-dimensional enlarged schematic diagram of the assembly of the driving motor and the intelligent sensing element.

Fig. 4 is a structural schematic diagram of the assembly of the drive motor, the intelligent sensing element and the installation frame with the cavity of the microwave oven.

Fig. 5 is a schematic side view of the smart sensing element in the present invention when it is working.

FIG. 6 is a schematic top view of the smart sensing element in the present invention when it is working.

In the figure: 1 is the cavity, 2 is the intelligent sensing element, 3 is the rear cover, 4 is the rotating motor, 5 is the mounting frame, 10 is the inclined part, 11 is the opening, 20 is the central shaft, 21 is the transmission shaft, 31 is the As for the suction device, 32 is a non-metal part, and 40 is a rotating shaft.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Referring to Fig. 1-Fig. 2, this microwave oven with intelligent sensing function includes a cavity 1, an intelligent sensing element 2, a rear cover 3 and a control device (not shown in the figure), wherein the cavity 1 is provided with an opening 11, and the intelligent The inductor of the sensing element 2 is installed at the opening 11, and the radiation emitted by the inductor can enter the cavity 1, and also includes a rotating motor 4, which is connected with the inductor of the intelligent sensing element 2, and the rotating motor 4 The angle between the rotation axis 40 of the sensor and the central axis 20 of the inductor is less than 90 degrees, and the central axis 20 of the sensor is inclined downward toward the cavity 1; the rotating motor 4 drives the sensor to rotate, so that the central axis 20 of the sensor Rotate left and right.

The smart sensing element 2 includes a sensor and a chip processing device. The sensor can emit rays into the cavity 1 of the microwave oven. The rays transmit the collected information, such as the temperature in the cavity, to the chip processing device. After the chip processing device performs program processing, the result is transmitted to the control device of the microwave oven. , to control the heating time or power.

The upper side of the rear wall of the cavity 1 is provided with an inclined portion 10 facing into the cavity 1 , and the opening 11 is located in the inclined portion 10 .

A mounting frame 5 is also provided on the microwave oven, and the rotating motor 4 and the intelligent sensing element 2 are fixed on the rear cover 3 behind the cavity 1 through the mounting frame 5 . The installation frame is used to fix the smart sensing element 2 and the rotating motor 4 on the rear side of the cavity 1 , and make the sensor of the smart sensing element 2 be located at the opening 11 .

The drive shaft 40 of the rotary motor 4 is connected to the edge of the inductor.

The microwave oven is also provided with an air suction device 31 for blowing air to the smart sensing element 2 , and the air suction device 31 is installed in the space enclosed by the rear cover 3 and the cavity 1 .

The rear cover 3 is provided with a non-metal part 32 for preventing the microwave leaking from the cavity 1 from interfering with the smart sensing element 2 .

The intelligent sensing element 2 in this embodiment is a digital infrared sensing device, and the radiation is infrared.

Its working principle is: when the rotating motor 4 is working, its rotating shaft 40 can drive the transmission shaft 21 of the intelligent sensing element 2 to rotate, so that the coverage of the rays emitted by the sensor increases, and changes from OA to OB in the left and right direction For the range between , see Figure 6; for the range from OC to OD in the front-back direction, see Figure 5.

When the rotating motor 4 stops working, the rotating motor 4 drives the smart sensing element 2 to be in the original position, and the range of rays emitted by the sensor of the smart sensing element 2 is a line OE, as shown in Fig. 5 and Fig. 6 .

Claims (7)

1. micro-wave oven with intelligent-induction function, comprise cavity (1), intelligent-induction element (2), back cover (3) and control device, wherein, cavity (1) is provided with opening (11), the inductor of intelligent-induction element (2) is installed in opening (11) and locates, the ray that this inductor sends can enter in the cavity (1), it is characterized in that also comprising electric rotating machine (4), this electric rotating machine (4) is connected with the inductor of intelligent-induction element (2), and the angle between the rotating shaft (40) of electric rotating machine (4) and the central shaft (20) of inductor is less than 90 degree, and the central shaft of inductor (20) is oblique down in cavity (1); Electric rotating machine (4) drives the inductor rotation, makes central shaft (20) left rotation and right rotation of inductor.

2. the micro-wave oven with intelligent-induction function according to claim 1, it is characterized in that also being provided with on the described micro-wave oven installing rack (5), electric rotating machine (4) and intelligent-induction element (2) are fixed on the back cover (3) of cavity (1) back by installing rack (5).

3. the micro-wave oven with intelligent-induction function according to claim 2, the rear wall upside that it is characterized in that described cavity (1) is provided with the rake (10) in cavity (1), and opening (11) is arranged in rake (10).

4. according to the arbitrary described micro-wave oven of claim 1 to 3, it is characterized in that the driving shaft (40) of described electric rotating machine (4) and the edge of inductor are connected with intelligent-induction function.

5. the micro-wave oven with intelligent-induction function according to claim 4, it is characterized in that also being provided with on the described micro-wave oven air intake device (31) that is used for to intelligent-induction element (2) blowing, this air intake device (31) is installed in the space that back cover (3) and cavity (1) surround.

6. the micro-wave oven with intelligent-induction function according to claim 5 is characterized in that described back cover (3) is provided with nonmetal (32) that are used to prevent from from the microwave of cavity (1) internal leakage intelligent-induction element (2) to be formed interference.

7. the micro-wave oven with intelligent-induction function according to claim 6 is characterized in that described intelligent-induction element (2) is a numeric type infrared induction device.

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