CN109595615B - Food abandoning reminding mechanism - Google Patents
Food abandoning reminding mechanism Download PDFInfo
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- CN109595615B CN109595615B CN201811447492.3A CN201811447492A CN109595615B CN 109595615 B CN109595615 B CN 109595615B CN 201811447492 A CN201811447492 A CN 201811447492A CN 109595615 B CN109595615 B CN 109595615B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/687—Circuits for monitoring or control for cooking
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
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- Electromagnetism (AREA)
- Electric Ovens (AREA)
Abstract
The invention relates to a food discard reminding mechanism, comprising: the variable-frequency microwave oven body comprises an illuminating lamp holder, an overheating protector, a fuse, a high-voltage diode, a high-voltage transformer, a heating plate, a magnetic control device and a touch display device, wherein the illuminating lamp holder is arranged on the left side of the overheating protector, the fuse is arranged on the right side of the overheating protector, the fuse is connected with the overheating protector, the high-voltage diode is arranged above the high-voltage capacitor, and the magnetic control device is arranged below the overheating protector; and the abandon reminding equipment is used for playing the voice warning file corresponding to the abandon reminding information when receiving the signal of over long time. The food poisoning phenomenon can be effectively prevented by the invention.
Description
Technical Field
The invention relates to the field of variable frequency microwave ovens, in particular to a food abandon reminding mechanism.
Background
The variable frequency microwave oven is different from the traditional microwave oven in uneven heating easily, and the variable frequency microwave oven can meet the requirements of different foods on different firepower by utilizing the microwave energy which is automatically adjusted and continuously output, thereby really realizing the automatic adjustment and control from strong fire to weak fire. Not only ensures the taste and color of the food, but also fully retains the nutrient components of the food.
And the food surface or the edge can not be burnt when the food is cooked for a long time with low power. In the aspect of cooking speed, the frequency conversion steaming cubic microwave oven adopts a frequency converter to replace a high-voltage transformer, a high-voltage capacitor and the like, reduces the loss of a power conversion part, improves the heat efficiency by more than 5 percent, and improves the effective power by nearly 10 percent. Under the same conditions, the cooking time was reduced by 10%. In the aspect of energy saving, the energy efficiency is as high as about 64 percent and is 62 percent higher than the national standard first-level energy consumption standard.
The variable frequency barbecue microwave oven endows the variable frequency barbecue microwave oven with the characteristic of simultaneously using microwave and barbecue functions, and greatly shortens the cooking time. In addition, the transformer of the mechanical part of the microwave oven with larger volume is integrated on a single frequency conversion circuit board, which not only eliminates noise, but also makes the whole microwave oven light and compact.
Disclosure of Invention
In order to solve the technical problem that food is forgotten in a microwave oven and cannot be effectively detected and poisoned to be reminded after microwave heating easily occurs in the prior art, the invention provides a food abandon reminding mechanism.
For this reason, the present invention needs to have the following two key points: (1) continuously shooting the heating plate for 2 hours, matching an image obtained after overlapping a customized selection area in a plurality of shot images with a first frame image before 2 hours, wherein when the matching degree exceeds the limit, food is not taken away for 2 hours, and sending a discard prompt to a user to prevent food poisoning; (2) the characteristics that the image distribution is more uniform and the image entropy value is larger are utilized, and the image fragment with the minimum entropy value is selected from all the image fragments of the image for subsequent analysis, so that the analysis time is saved.
According to an aspect of the present invention, there is provided a food discard reminder mechanism, the mechanism comprising:
the frequency conversion microwave oven body comprises an illuminating lamp holder, an overheat protector, a fuse, a high-voltage diode, a high-voltage transformer, a heating plate, a magnetic control device and a touch display device.
More specifically, in the food discard reminding mechanism: the lighting lamp holder is arranged on the left side of the overheat protector, and the fuse is arranged on the right side of the overheat protector.
More specifically, in the food discard reminding mechanism: the fuse is connected with the overheat protector, the high-voltage diode is arranged above the high-voltage capacitor, and the magnetic control equipment is arranged below the overheat protector.
More specifically, in the food discard reminding mechanism, further comprising:
the abandon reminding device is used for playing the voice warning file corresponding to the abandon reminding information when receiving the signal which is placed for a long time; the timing acquisition equipment is arranged above the heating plate and used for starting the acquisition and processing of 2-hour continuous image data of the heating plate when the magnetic control equipment stops running so as to obtain a first frame of field acquisition image and obtain continuous field acquisition images on a time axis; the resolution detection equipment is connected with the timing acquisition equipment, is used for receiving a first frame of field acquisition image, is also used for receiving various continuous field acquisition images on a time axis, and detects and outputs the instant resolution of each field acquisition image; the fragment capturing device is connected with the resolution detection device and used for receiving the instant resolution and performing fragment segmentation on each field acquisition image in a corresponding size based on the instant resolution to obtain a plurality of image fragments; the parameter resolution device is connected with the fragment capture device and used for receiving the plurality of image fragments and performing entropy value resolution on each image fragment to obtain instant entropy values of the image fragments; the parameter comparison equipment is connected with the parameter distinguishing equipment and is used for receiving the instant entropy values of the image fragments, sequencing the instant entropy values of the image fragments and outputting the image fragment with the minimum instant entropy value as an effective fragment; the histogram analysis equipment is connected with the parameter comparison equipment and is used for receiving the effective fragments, executing histogram equalization processing on the effective fragments to obtain corresponding equalized fragments and outputting the equalized fragments; the target superposition equipment is connected with the histogram analysis equipment and is used for receiving the balanced fragments corresponding to each field acquisition image, superposing the balanced fragments of each field acquisition image in one image according to the position of each balanced fragment in the image to obtain an superposed image, and removing each superposed pixel point in the superposed image to obtain and output a corresponding target superposed image; the isolated point removing device is connected with the target superposition device and used for receiving the target superposition image, executing isolated point detection on the target superposition image to obtain each isolated point in the target superposition image, and removing each isolated point in the target superposition image to obtain a corresponding data integration image; the edge sharpening device is connected with the isolated point removing device and used for receiving the data integration image and carrying out edge sharpening on the data integration image so as to obtain and output a corresponding data sharpening image; the matching degree analysis device is respectively connected with the abandon reminding device, the edge sharpening device and the timing acquisition device, and is used for receiving the data sharpened image and the first frame of field acquired image and sending a signal of being placed for a long time when the matching degree of the data sharpened image and the first frame of field acquired image exceeds the limit; wherein, in the fragment capture device, the lower the instantaneous resolution, the fewer the number of image fragments obtained by performing fragment segmentation of the corresponding size on each of the live-captured images based on the instantaneous resolution.
Detailed Description
The following will describe in detail an embodiment of the food discard reminder mechanism of the present invention.
The frequency conversion microwave oven adopts the most advanced international frequency conversion technology at present, and converts the power frequency of 50 Hz of a living power supply system into high frequency output of 10000 to 30000 Hz arbitrarily. Different output powers are controlled by changing the frequency, so that the effect of freely controlling the firepower is achieved, heated food is uniformly heated in all directions, the cooked food has better taste, and the nutrition loss is less. The frequency conversion technology saves more than 20% of electricity compared with the traditional microwave oven by improving the efficiency of the power supply part and reducing the power consumption in standby.
In order to overcome the defects, the invention builds a food abandon reminding mechanism, and can effectively solve the corresponding technical problems.
A food discard reminder mechanism is shown according to an embodiment of the invention comprising:
the frequency conversion microwave oven body comprises an illuminating lamp holder, an overheat protector, a fuse, a high-voltage diode, a high-voltage transformer, a heating plate, a magnetic control device and a touch display device.
Next, the detailed structure of the food discard reminding mechanism of the present invention will be further described.
In the food discard alert mechanism: the lighting lamp holder is arranged on the left side of the overheat protector, and the fuse is arranged on the right side of the overheat protector.
In the food discard alert mechanism: the fuse is connected with the overheat protector, the high-voltage diode is arranged above the high-voltage capacitor, and the magnetic control equipment is arranged below the overheat protector.
In the food discard reminding mechanism, further comprising:
the abandon reminding device is used for playing the voice warning file corresponding to the abandon reminding information when receiving the signal which is placed for a long time;
the timing acquisition equipment is arranged above the heating plate and used for starting the acquisition and processing of 2-hour continuous image data of the heating plate when the magnetic control equipment stops running so as to obtain a first frame of field acquisition image and obtain continuous field acquisition images on a time axis;
the resolution detection equipment is connected with the timing acquisition equipment, is used for receiving a first frame of field acquisition image, is also used for receiving various continuous field acquisition images on a time axis, and detects and outputs the instant resolution of each field acquisition image;
the fragment capturing device is connected with the resolution detection device and used for receiving the instant resolution and performing fragment segmentation on each field acquisition image in a corresponding size based on the instant resolution to obtain a plurality of image fragments;
the parameter resolution device is connected with the fragment capture device and used for receiving the plurality of image fragments and performing entropy value resolution on each image fragment to obtain instant entropy values of the image fragments;
the parameter comparison equipment is connected with the parameter distinguishing equipment and is used for receiving the instant entropy values of the image fragments, sequencing the instant entropy values of the image fragments and outputting the image fragment with the minimum instant entropy value as an effective fragment;
the histogram analysis equipment is connected with the parameter comparison equipment and is used for receiving the effective fragments, executing histogram equalization processing on the effective fragments to obtain corresponding equalized fragments and outputting the equalized fragments;
the target superposition equipment is connected with the histogram analysis equipment and is used for receiving the balanced fragments corresponding to each field acquisition image, superposing the balanced fragments of each field acquisition image in one image according to the position of each balanced fragment in the image to obtain an superposed image, and removing each superposed pixel point in the superposed image to obtain and output a corresponding target superposed image;
the isolated point removing device is connected with the target superposition device and used for receiving the target superposition image, executing isolated point detection on the target superposition image to obtain each isolated point in the target superposition image, and removing each isolated point in the target superposition image to obtain a corresponding data integration image;
the edge sharpening device is connected with the isolated point removing device and used for receiving the data integration image and carrying out edge sharpening on the data integration image so as to obtain and output a corresponding data sharpening image;
the matching degree analysis device is respectively connected with the abandon reminding device, the edge sharpening device and the timing acquisition device, and is used for receiving the data sharpened image and the first frame of field acquired image and sending a signal of being placed for a long time when the matching degree of the data sharpened image and the first frame of field acquired image exceeds the limit;
wherein, in the fragment capture device, the lower the instantaneous resolution, the fewer the number of image fragments obtained by performing fragment segmentation of the corresponding size on each of the live-captured images based on the instantaneous resolution.
In the food discard alert mechanism: the resolution detection equipment, the fragment capture equipment and the parameter comparison equipment are all programmable logic devices designed by adopting VHDL language.
In the food discard reminding mechanism, further comprising:
the system comprises a wavelet base selection device, a shape customization device, a pixel matching device and a self-adaptive processing device, wherein the wavelet base selection device, the shape customization device, the pixel matching device and the self-adaptive processing device are positioned between a timing acquisition device and a resolution detection device and are used for carrying out the same processing on any one of various field acquisition images as a field acquisition image to obtain a corresponding self-adaptive processing image, and the obtained self-adaptive processing image is respectively used for replacing each field acquisition image and sending the field acquisition image to the resolution detection device.
In the food discard alert mechanism: the wavelet basis selection device is configured to receive a live capture image, determine an average depth value of a target in the live capture image, and select a wavelet basis function for performing wavelet filtering based on the average depth value.
In the food discard alert mechanism: the shape customizing device is connected with the wavelet base selecting device and used for determining a median filtering window shape used for performing median filtering based on the average depth value;
the pixel matching device is connected with the wavelet-based selection device and used for judging the correlation degree grade between every two pixels in the field acquisition image.
In the food discard alert mechanism: the adaptive processing device is respectively connected with the wavelet basis selection device, the shape customization device and the pixel matching device, each pixel in the field acquisition image is taken as a target pixel, a median filtering window with the target pixel as the center is determined based on the shape of the median filtering window, the mean value of pixel values of all pixels, of which the correlation degree level with the target pixel is greater than or equal to a preset level threshold value, in the median filtering window is taken as the filtered pixel value of the target pixel, a primary processing device is obtained based on the filtered pixel values of all the target pixels, and the adaptive processing device is further used for executing corresponding wavelet filtering processing on the primary processing device based on the determined wavelet basis function so as to obtain and output an adaptive processing image.
In addition, VHDL is mainly used to describe the structure, behavior, function, and interface of a digital system. Except for the fact that it contains many statements with hardware features, the linguistic form, description style, and syntax of VHDL are very similar to a general computer high-level language. The structural features of the VHDL program are to divide an engineering design, or design entity (which may be a component, a circuit module or a system) into an external (or visible part, and port) and an internal (or invisible part), which relate to the internal functions and algorithm completion of the entity. After an external interface is defined for a design entity, once its internal development is complete, other designs can invoke the entity directly. This concept of dividing the design entity into inner and outer parts is the fundamental point of VHDL system design.
VHDL has powerful language structure, and can describe complex logic control by simple and clear source code. The method has a multi-level design description function, is refined layer by layer, and can directly generate circuit level description. VHDL supports the design of synchronous, asynchronous, and random circuits, which is incomparable with other hardware description languages. VHDL also supports various design methods, both bottom-up and top-down; the method supports both modular design and hierarchical design.
By adopting the food abandon reminding mechanism, aiming at the technical problem that the food is forgotten in a microwave oven and cannot be effectively detected and poisoned to remind after microwave heating easily occurs in the prior art, the heating plate is continuously shot for 2 hours, an image obtained by overlapping a customized selection area in a plurality of shot images is matched with a first frame image before 2 hours, when the matching degree exceeds the limit, the food is not taken away for 2 hours, and abandon reminding is sent to a user to prevent food poisoning; meanwhile, the characteristics that the more uniform the image distribution is and the larger the entropy value of the image are utilized, and the image fragment with the minimum entropy value is selected from the image fragments of the image for subsequent analysis, so that the analysis time is saved; thereby solving the technical problem.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. A food discard reminder mechanism, the mechanism comprising:
the variable-frequency microwave oven body comprises an illuminating lamp holder, an overheat protector, a fuse, a high-voltage diode, a high-voltage transformer, a heating plate, magnetic control equipment and touch display equipment;
the method is characterized in that:
the lighting lamp holder is arranged on the left side of the overheating protector, and the fuse is arranged on the right side of the overheating protector;
the fuse is connected with the overheat protector, the high-voltage diode is arranged above the high-voltage capacitor, and the magnetic control equipment is arranged below the overheat protector;
the mechanism further comprises:
the abandon reminding device is used for playing the voice warning file corresponding to the abandon reminding information when receiving the signal which is placed for a long time;
the timing acquisition equipment is arranged above the heating plate and used for starting the acquisition and processing of 2-hour continuous image data of the heating plate when the magnetic control equipment stops running so as to obtain a first frame of field acquisition image and obtain continuous field acquisition images on a time axis;
the resolution detection equipment is connected with the timing acquisition equipment, is used for receiving a first frame of field acquisition image, is also used for receiving various continuous field acquisition images on a time axis, and detects and outputs the instant resolution of each field acquisition image;
the fragment capturing device is connected with the resolution detection device and used for receiving the instant resolution and performing fragment segmentation on each field acquisition image in a corresponding size based on the instant resolution to obtain a plurality of image fragments;
the parameter resolution device is connected with the fragment capture device and used for receiving the plurality of image fragments and performing entropy value resolution on each image fragment to obtain instant entropy values of the image fragments;
the parameter comparison equipment is connected with the parameter distinguishing equipment and is used for receiving the instant entropy values of the image fragments, sequencing the instant entropy values of the image fragments and outputting the image fragment with the minimum instant entropy value as an effective fragment;
the histogram analysis equipment is connected with the parameter comparison equipment and is used for receiving the effective fragments, executing histogram equalization processing on the effective fragments to obtain corresponding equalized fragments and outputting the equalized fragments;
the target superposition equipment is connected with the histogram analysis equipment and is used for receiving the balanced fragments corresponding to each field acquisition image, superposing the balanced fragments of each field acquisition image in one image according to the position of each balanced fragment in the image to obtain an superposed image, and removing each superposed pixel point in the superposed image to obtain and output a corresponding target superposed image;
the isolated point removing device is connected with the target superposition device and used for receiving the target superposition image, executing isolated point detection on the target superposition image to obtain each isolated point in the target superposition image, and removing each isolated point in the target superposition image to obtain a corresponding data integration image;
the edge sharpening device is connected with the isolated point removing device and used for receiving the data integration image and carrying out edge sharpening on the data integration image so as to obtain and output a corresponding data sharpening image;
the matching degree analysis device is respectively connected with the abandon reminding device, the edge sharpening device and the timing acquisition device, and is used for receiving the data sharpened image and the first frame of field acquired image and sending a signal of being placed for a long time when the matching degree of the data sharpened image and the first frame of field acquired image exceeds the limit;
wherein, in the fragment capture device, the lower the instantaneous resolution, the fewer the number of image fragments obtained by performing fragment segmentation of the corresponding size on each of the live-captured images based on the instantaneous resolution.
2. The food discard alert mechanism as in claim 1, wherein:
the resolution detection equipment, the fragment capture equipment and the parameter comparison equipment are all programmable logic devices designed by adopting VHDL language.
3. The food discard reminder mechanism of claim 2, wherein the mechanism comprises:
the system comprises a wavelet base selection device, a shape customization device, a pixel matching device and a self-adaptive processing device, wherein the wavelet base selection device, the shape customization device, the pixel matching device and the self-adaptive processing device are positioned between a timing acquisition device and a resolution detection device and are used for carrying out the same processing on any one of various field acquisition images as a field acquisition image to obtain a corresponding self-adaptive processing image, and the obtained self-adaptive processing image is respectively used for replacing each field acquisition image and sending the field acquisition image to the resolution detection device.
4. The food discard alert mechanism as in claim 3, wherein:
the wavelet basis selection device is configured to receive a live capture image, determine an average depth value of a target in the live capture image, and select a wavelet basis function for performing wavelet filtering based on the average depth value.
5. The food discard alert mechanism as in claim 4, wherein:
the shape customizing device is connected with the wavelet base selecting device and used for determining a median filtering window shape used for performing median filtering based on the average depth value;
the pixel matching device is connected with the wavelet-based selection device and used for judging the correlation degree grade between every two pixels in the field acquisition image.
6. The food discard alert mechanism as in claim 5, wherein:
the adaptive processing device is respectively connected with the wavelet basis selection device, the shape customization device and the pixel matching device, each pixel in the field acquisition image is taken as a target pixel, a median filtering window with the target pixel as the center is determined based on the shape of the median filtering window, the mean value of pixel values of all pixels, of which the correlation degree level with the target pixel is greater than or equal to a preset level threshold value, in the median filtering window is taken as the filtered pixel value of the target pixel, a primary processing device is obtained based on the filtered pixel values of all the target pixels, and the adaptive processing device is further used for executing corresponding wavelet filtering processing on the primary processing device based on the determined wavelet basis function so as to obtain and output an adaptive processing image.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447492.3A CN109595615B (en) | 2018-11-29 | 2018-11-29 | Food abandoning reminding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447492.3A CN109595615B (en) | 2018-11-29 | 2018-11-29 | Food abandoning reminding mechanism |
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| CN109595615A CN109595615A (en) | 2019-04-09 |
| CN109595615B true CN109595615B (en) | 2020-12-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203571811U (en) * | 2013-09-30 | 2014-04-30 | 广东格兰仕微波炉电器制造有限公司 | Variable-frequency microwave furnace |
| CN104251501A (en) * | 2014-09-10 | 2014-12-31 | 广东美的厨房电器制造有限公司 | Control method for microwave oven and microwave oven |
| US10366591B2 (en) * | 2017-03-06 | 2019-07-30 | Tyco Safety Products Canada Ltd. | Safety cooking device and method |
| CN108518908A (en) * | 2018-06-15 | 2018-09-11 | 孙天昂 | A kind of intelligent refrigerator of automatic detection food freshness |
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