CN111246608A - Automatic cutting platform for power supply line - Google Patents
Automatic cutting platform for power supply line Download PDFInfo
- Publication number
- CN111246608A CN111246608A CN201811434235.6A CN201811434235A CN111246608A CN 111246608 A CN111246608 A CN 111246608A CN 201811434235 A CN201811434235 A CN 201811434235A CN 111246608 A CN111246608 A CN 111246608A
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- image
- power supply
- supply line
- pixel point
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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
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
-
- 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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Image Processing (AREA)
Abstract
The invention relates to an automatic cutting platform of a power supply circuit, which comprises: the electromagnetic wave heating structure comprises a piezoresistor, a voltage-stabilizing tube, a power input terminal, a wire coil temperature detector, a furnace surface temperature detector, an instrument panel, a pulse width regulator, a voltage detector and a current detector, wherein the piezoresistor is arranged on the left side of the voltage-stabilizing tube, the power input terminal is connected with the voltage-stabilizing tube, the wire coil temperature detector is used for detecting and outputting the real-time temperature of a wire coil, the voltage detector and the current detector are both connected with the electronic input terminal, the pulse width modulator is arranged on one side of the voltage detector, and the furnace surface temperature detector is used for detecting and outputting the real-time temperature of the furnace; and an auto-power-off device connected to the power input terminal, for cutting off the power supply line of the power input terminal upon receiving a pregnant woman identification command, and restoring the power supply line of the power input terminal upon receiving a pregnant woman non-identification command. By means of the invention, a specific target is protected from excessive electromagnetic radiation.
Description
Technical Field
The invention relates to the field of electromagnetic wave heating, in particular to an automatic cutting platform for a power supply line.
Background
The electromagnetic wave heating equipment is a main branch of microwave oven, it is placed in the ventilated place, and its nearby place has no magnetic substance, so that it can prevent the uniform state of magnetic field in the oven cavity from being interfered, and can reduce its working efficiency. The microwave oven should be laid flat, away from the fire and the faucet. The area behind or ventilated on both sides of the oven is preferably at least 5 cm (2 inches) from the wall to allow easy release of hot gases. And the distance between the television and the radio is also a certain distance, otherwise, the visual and audio effects are influenced.
When the turntable type microwave oven is used, a container for containing food is necessarily placed in a special plate of the microwave oven, but cannot be directly placed in an oven cavity. Microwave doors are not secure due to dents or any damage and should not be used. The periphery of the oven door and the door lock are regularly checked, and if the oven door is damaged and the door lock is not closed well, the oven door is stopped to prevent microwave leakage. If the door hinge is not found to be correct, the door hinge needs to be repaired immediately. It is not suitable to attach the face to the observation window of the microwave oven to prevent the eyes from being damaged by microwave radiation. It is not suitable for long-term microwave irradiation to prevent dizziness, blurred vision, asthenia, marasmus, and alopecia, which can damage human body.
Disclosure of Invention
In order to solve the technical problem that the conventional electromagnetic wave heating equipment lacks an effective protection mechanism for a pregnant woman target, the invention provides an automatic power supply line cutting platform, wherein an image area with the number of changed pixel points in a unit image area in an image exceeding the limit is used as a to-be-processed area, so that the time and power consumption of subsequent processing are saved; on the basis of the image processing, when the pregnant woman target is identified to appear near the electromagnetic wave heating structure, a power supply circuit for the electromagnetic wave heating structure is automatically cut off so as to realize effective protection for the pregnant woman target.
According to an aspect of the present invention, there is provided an automatic power supply line disconnection platform, including:
the electromagnetic wave heating structure comprises a piezoresistor, a voltage-stabilizing tube, a power input terminal, a wire coil temperature detector, a furnace surface temperature detector, an instrument panel, a pulse width regulator, a voltage detector and a current detector; in the electromagnetic wave heating structure, the piezoresistor is arranged on the left side of the voltage-stabilizing tube, and the power input terminal is connected with the voltage-stabilizing tube.
More specifically, in the power supply line automatic shut-off platform: in the electromagnetic wave heating structure, the wire coil temperature detector is used for detecting and outputting the real-time temperature of the wire coil, and the voltage detector and the current detector are connected with the electronic input terminal.
More specifically, in the power supply line automatic shut-off platform: in the electromagnetic wave heating structure, the pulse width modulator is arranged on one side of the voltage detector, and the furnace surface temperature detector is used for detecting and outputting the real-time temperature of the furnace surface.
More specifically, in the power supply line automatic cutout platform, the platform further comprises:
an automatic power-off device connected to the power input terminal of the electromagnetic wave heating structure for cutting off the power supply line of the power input terminal upon receiving a pregnant woman identification command; the automatic power-off device is also used for restoring the power supply line of the power input terminal when receiving a non-discriminating command of the pregnant woman; the front-end imaging equipment is embedded in the instrument panel and is used for carrying out continuous image imaging processing on a front-end scene of the instrument panel so as to obtain a plurality of frames of front-end scene images; the edge enhancement device is used for receiving the plurality of frames of front-end scene images and executing edge enhancement processing on each frame of front-end scene image to obtain a corresponding edge enhancement image; the pixel point analysis equipment is used for analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction, so that when the brightness gradient value in a certain direction exceeds a gradient value threshold value, the pixel point is determined to be a change pixel point; the data statistics device is connected with the pixel point analysis device and is used for taking the image area with the transfinite number of the variable pixel points in the unit image area as a to-be-processed area and outputting each to-be-processed area in the edge enhancement image; the sub-image processing equipment is connected with the data statistics equipment and used for receiving each to-be-processed area corresponding to each frame of front-end scene image and overlapping each to-be-processed area of the multiple frames of front-end scene images in one frame of image according to the position of each to-be-processed area in the image so as to obtain a frame-by-frame accumulated image; the image integration equipment is connected with the sub-image processing equipment and used for receiving the frame-by-frame accumulated image and removing each overlapped pixel point in the frame-by-frame accumulated image so as to obtain and output a corresponding integrated image; the gamma correction device is connected with the image integration device and used for receiving the integrated image, performing on-site gamma correction processing on the integrated image to obtain a corresponding on-site corrected image and outputting the on-site corrected image; a pregnant woman discriminating device connected to the automatic power-off device and the gamma correction device, respectively, for performing a pregnant woman discriminating process on the on-site corrected image based on a pregnant woman imaging characteristic to issue a pregnant woman discriminating command when a pregnant woman target is present in the on-site corrected image, and to issue a pregnant woman non-discriminating command when a pregnant woman target is not present in the on-site corrected image; wherein, the step of analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction comprises the following steps: obtaining each brightness value of the pixel points in each direction of the pixel point neighborhood, and determining the brightness gradient value in the corresponding direction based on each brightness value of each pixel point in each direction; the numerical value of the unit image area selected by the data statistics equipment is based on the real-time resolution of the edge enhanced image, and the higher the real-time resolution of the edge enhanced image is, the larger the numerical value of the unit image area selected by the data statistics equipment is.
Detailed Description
The following will explain in detail an embodiment of the power supply line automatic shut-off platform of the present invention.
The microwave oven has microwave feeding port in the right side of the oven cavity, which is shielded by mica or plastic sheet, and must be cleaned by wet cloth regularly (about 10 times of recommended use of the microwave oven), otherwise, the oil stain or food residue splashed on the microwave oven is easy to be carbonized, which causes microwave reflection and burns out the magnetron.
In order to overcome the defects, the invention builds the automatic power supply line cutting platform and can effectively solve the corresponding technical problems.
The automatic power supply line cutting platform according to the embodiment of the invention comprises:
the electromagnetic wave heating structure comprises a piezoresistor, a voltage-stabilizing tube, a power input terminal, a wire coil temperature detector, a furnace surface temperature detector, an instrument panel, a pulse width regulator, a voltage detector and a current detector;
in the electromagnetic wave heating structure, the piezoresistor is arranged on the left side of the voltage-stabilizing tube, and the power input terminal is connected with the voltage-stabilizing tube.
Next, a specific configuration of the automatic power supply line disconnection stage according to the present invention will be described further.
In the power supply line automatic cutout platform: in the electromagnetic wave heating structure, the wire coil temperature detector is used for detecting and outputting the real-time temperature of the wire coil, and the voltage detector and the current detector are connected with the electronic input terminal.
In the power supply line automatic cutout platform: in the electromagnetic wave heating structure, the pulse width modulator is arranged on one side of the voltage detector, and the furnace surface temperature detector is used for detecting and outputting the real-time temperature of the furnace surface.
In the power supply line automatic cutout platform, still include:
an automatic power-off device connected to the power input terminal of the electromagnetic wave heating structure for cutting off the power supply line of the power input terminal upon receiving a pregnant woman identification command;
the automatic power-off device is also used for restoring the power supply line of the power input terminal when receiving a non-discriminating command of the pregnant woman;
the front-end imaging equipment is embedded in the instrument panel and is used for carrying out continuous image imaging processing on a front-end scene of the instrument panel so as to obtain a plurality of frames of front-end scene images;
the edge enhancement device is used for receiving the plurality of frames of front-end scene images and executing edge enhancement processing on each frame of front-end scene image to obtain a corresponding edge enhancement image;
the pixel point analysis equipment is used for analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction, so that when the brightness gradient value in a certain direction exceeds a gradient value threshold value, the pixel point is determined to be a change pixel point;
the data statistics device is connected with the pixel point analysis device and is used for taking the image area with the transfinite number of the variable pixel points in the unit image area as a to-be-processed area and outputting each to-be-processed area in the edge enhancement image;
the sub-image processing equipment is connected with the data statistics equipment and used for receiving each to-be-processed area corresponding to each frame of front-end scene image and overlapping each to-be-processed area of the multiple frames of front-end scene images in one frame of image according to the position of each to-be-processed area in the image so as to obtain a frame-by-frame accumulated image;
the image integration equipment is connected with the sub-image processing equipment and used for receiving the frame-by-frame accumulated image and removing each overlapped pixel point in the frame-by-frame accumulated image so as to obtain and output a corresponding integrated image;
the gamma correction device is connected with the image integration device and used for receiving the integrated image, performing on-site gamma correction processing on the integrated image to obtain a corresponding on-site corrected image and outputting the on-site corrected image;
a pregnant woman discriminating device connected to the automatic power-off device and the gamma correction device, respectively, for performing a pregnant woman discriminating process on the on-site corrected image based on a pregnant woman imaging characteristic to issue a pregnant woman discriminating command when a pregnant woman target is present in the on-site corrected image, and to issue a pregnant woman non-discriminating command when a pregnant woman target is not present in the on-site corrected image;
wherein, the step of analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction comprises the following steps: obtaining each brightness value of the pixel points in each direction of the pixel point neighborhood, and determining the brightness gradient value in the corresponding direction based on each brightness value of each pixel point in each direction;
the numerical value of the unit image area selected by the data statistics equipment is based on the real-time resolution of the edge enhanced image, and the higher the real-time resolution of the edge enhanced image is, the larger the numerical value of the unit image area selected by the data statistics equipment is.
In the power supply line automatic cutout platform: the image integration device comprises a data input unit and a deduplication processing unit, wherein the data input unit is connected with the deduplication processing unit.
In the power supply line automatic cutout platform: in the image integration device, the data input unit is connected to the sub-image processing device, and is configured to receive the frame-by-frame accumulated image.
In the power supply line automatic cutout platform: in the image integration device, the deduplication processing unit is configured to remove each overlapping pixel point in the frame-by-frame accumulated image to obtain and output a corresponding integrated image.
In the power supply line automatic cutout platform, still include:
the gradient analysis equipment and the selective filtering equipment are positioned between the front-end imaging equipment and the edge enhancement equipment and are used for carrying out the same processing on any one of the multiple frames of front-end scene images as a front-end scene image to obtain a corresponding selective filtering image, and respectively replacing the multiple frames of front-end scene images with the obtained multiple frames of selective filtering images and sending the multiple frames of front-end scene images to the edge enhancement equipment.
In the power supply line automatic cutout platform: the gradient analysis equipment is used for receiving a front-end scene image, acquiring the gray value of each pixel point in the front-end scene image, determining the gradient of each pixel point in each direction as the gray value gradient, and determining the scene complexity corresponding to the front-end scene image based on the gray value gradient of each pixel point.
In the power supply line automatic cutout platform: the selective filtering device is connected with the gradient analysis device and used for receiving the scene complexity and the scene complexity of the scene, and when the scene complexity is greater than or equal to a preset complexity threshold, determining a number of image patches for an average segmentation of the front-end scene image based on the scene complexity, the higher the scene complexity, the larger the number of image patches for performing average segmentation on the front-end scene image, the smaller the image patch noise amplitude is, the less intensive the filtering process operation performed on the image patches, the less intensive the stitching operation of the smoothing process at the stitching is performed on the respective filtering patches to obtain selectively filtered images, and the selective filtering device is further configured to, when the received scene complexity is less than a preset complexity threshold, and performing a filtering operation on the full image of the front-end scene image to obtain a selectively filtered image.
In addition, the image filtering performed by the selective filtering device suppresses the noise of the target image under the condition of keeping the detail features of the image as much as possible, which is an indispensable operation in image preprocessing, and the effectiveness and reliability of subsequent image processing and analysis are directly affected by the quality of the processing effect.
Due to the imperfections of the imaging system, the transmission medium, and the recording device, the digital images are often contaminated by various noises during the formation, transmission, and recording processes thereof. In addition, noise may also be introduced into the resulting image at some point in the image processing when the input image object is not as expected. These noises often appear as an isolated pixel or block of pixels on the image that causes a strong visual effect. In general, the noise signal is not correlated with the object to be studied-it appears in the form of useless information, disturbing the observable information of the image. For digital image signals, the noise table is more or less extreme values, and the extreme values act on the real gray values of image pixels through addition and subtraction to cause bright and dark point interference on the image, so that the image quality is greatly reduced, and the follow-up work of image restoration, segmentation, feature extraction, image identification and the like is influenced. Two basic issues must be considered to construct an effective noise suppression filter: the noise in the target and the background can be effectively removed; meanwhile, the shape, the size and the specific geometric and topological structure characteristics of the image target can be well protected.
One of the commonly used modes of image filtering is a non-linear filter, generally speaking, when the signal spectrum is mixed with the noise spectrum or when the signal contains non-superimposed noise, such as noise caused by system non-linearity or non-gaussian noise, etc., the conventional linear filtering techniques, such as fourier transform, while filtering out the noise, always blur the image details (such as edges, etc.) in some way, thereby causing the positioning accuracy of the image linear features and the extractability of the features to be reduced. The nonlinear filter is based on a nonlinear mapping relation of an input signal, a specific noise can be mapped to be zero approximately, the main characteristic of the signal is reserved, and therefore the nonlinear filter can overcome the defects of the linear filter to a certain extent.
By adopting the automatic power supply line cutting platform, aiming at the technical problem that electromagnetic wave heating equipment in the prior art is lack of an effective protection mechanism for a pregnant woman target, the image area with the number of the changed pixel points in the unit image area in the image exceeding the limit is used as the area to be processed, so that the time and the power consumption of subsequent processing are saved; more importantly, on the basis of the image processing, when the occurrence of a pregnant woman target near the electromagnetic wave heating structure is identified, a power supply circuit for the electromagnetic wave heating structure is automatically cut off so as to realize effective protection on the pregnant woman target; 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 (10)
1. The utility model provides a power supply line automatic cutout platform which characterized in that includes:
the electromagnetic wave heating structure comprises a piezoresistor, a voltage-stabilizing tube, a power input terminal, a wire coil temperature detector, a furnace surface temperature detector, an instrument panel, a pulse width regulator, a voltage detector and a current detector;
in the electromagnetic wave heating structure, the piezoresistor is arranged on the left side of the voltage-stabilizing tube, and the power input terminal is connected with the voltage-stabilizing tube.
2. The automatic power supply line disconnection platform of claim 1, wherein:
in the electromagnetic wave heating structure, the wire coil temperature detector is used for detecting and outputting the real-time temperature of the wire coil, and the voltage detector and the current detector are connected with the electronic input terminal.
3. The automatic power supply line disconnection platform of claim 2, wherein:
in the electromagnetic wave heating structure, the pulse width modulator is arranged on one side of the voltage detector, and the furnace surface temperature detector is used for detecting and outputting the real-time temperature of the furnace surface.
4. The power supply line automatic disconnect platform of claim 3, wherein the platform further comprises:
an automatic power-off device connected to the power input terminal of the electromagnetic wave heating structure for cutting off the power supply line of the power input terminal upon receiving a pregnant woman identification command;
the automatic power-off device is also used for restoring the power supply line of the power input terminal when receiving a non-discriminating command of the pregnant woman;
the front-end imaging equipment is embedded in the instrument panel and is used for carrying out continuous image imaging processing on a front-end scene of the instrument panel so as to obtain a plurality of frames of front-end scene images;
the edge enhancement device is used for receiving the plurality of frames of front-end scene images and executing edge enhancement processing on each frame of front-end scene image to obtain a corresponding edge enhancement image;
the pixel point analysis equipment is used for analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction, so that when the brightness gradient value in a certain direction exceeds a gradient value threshold value, the pixel point is determined to be a change pixel point;
the data statistics device is connected with the pixel point analysis device and is used for taking the image area with the transfinite number of the variable pixel points in the unit image area as a to-be-processed area and outputting each to-be-processed area in the edge enhancement image;
the sub-image processing equipment is connected with the data statistics equipment and used for receiving each to-be-processed area corresponding to each frame of front-end scene image and overlapping each to-be-processed area of the multiple frames of front-end scene images in one frame of image according to the position of each to-be-processed area in the image so as to obtain a frame-by-frame accumulated image;
the image integration equipment is connected with the sub-image processing equipment and used for receiving the frame-by-frame accumulated image and removing each overlapped pixel point in the frame-by-frame accumulated image so as to obtain and output a corresponding integrated image;
the gamma correction device is connected with the image integration device and used for receiving the integrated image, performing on-site gamma correction processing on the integrated image to obtain a corresponding on-site corrected image and outputting the on-site corrected image;
a pregnant woman discriminating device connected to the automatic power-off device and the gamma correction device, respectively, for performing a pregnant woman discriminating process on the on-site corrected image based on a pregnant woman imaging characteristic to issue a pregnant woman discriminating command when a pregnant woman target is present in the on-site corrected image, and to issue a pregnant woman non-discriminating command when a pregnant woman target is not present in the on-site corrected image;
wherein, the step of analyzing the brightness gradient value of each pixel point in the edge enhanced image in each direction comprises the following steps: obtaining each brightness value of the pixel points in each direction of the pixel point neighborhood, and determining the brightness gradient value in the corresponding direction based on each brightness value of each pixel point in each direction;
the numerical value of the unit image area selected by the data statistics equipment is based on the real-time resolution of the edge enhanced image, and the higher the real-time resolution of the edge enhanced image is, the larger the numerical value of the unit image area selected by the data statistics equipment is.
5. The automatic power supply line disconnection platform of claim 4, wherein:
the image integration device comprises a data input unit and a deduplication processing unit, wherein the data input unit is connected with the deduplication processing unit.
6. The automatic power supply line disconnection platform of claim 5, wherein:
in the image integration device, the data input unit is connected to the sub-image processing device, and is configured to receive the frame-by-frame accumulated image.
7. The automatic power supply line disconnection platform of claim 6, wherein:
in the image integration device, the deduplication processing unit is configured to remove each overlapping pixel point in the frame-by-frame accumulated image to obtain and output a corresponding integrated image.
8. The power supply line automatic disconnect platform of claim 7, wherein the platform further comprises:
the gradient analysis equipment and the selective filtering equipment are positioned between the front-end imaging equipment and the edge enhancement equipment and are used for carrying out the same processing on any one of the multiple frames of front-end scene images as a front-end scene image to obtain a corresponding selective filtering image, and respectively replacing the multiple frames of front-end scene images with the obtained multiple frames of selective filtering images and sending the multiple frames of front-end scene images to the edge enhancement equipment.
9. The automatic power supply line disconnect platform of claim 8, wherein:
the gradient analysis equipment is used for receiving a front-end scene image, acquiring the gray value of each pixel point in the front-end scene image, determining the gradient of each pixel point in each direction as the gray value gradient, and determining the scene complexity corresponding to the front-end scene image based on the gray value gradient of each pixel point.
10. The automatic power supply line disconnection platform of claim 9, wherein:
the selective filtering device is connected with the gradient analysis device and used for receiving the scene complexity and the scene complexity of the scene, and when the scene complexity is greater than or equal to a preset complexity threshold, determining a number of image patches for an average segmentation of the front-end scene image based on the scene complexity, the higher the scene complexity, the larger the number of image patches for performing average segmentation on the front-end scene image, the smaller the image patch noise amplitude is, the less intensive the filtering process operation performed on the image patches, the less intensive the stitching operation of the smoothing process at the stitching is performed on the respective filtering patches to obtain selectively filtered images, and the selective filtering device is further configured to, when the received scene complexity is less than a preset complexity threshold, and performing a filtering operation on the full image of the front-end scene image to obtain a selectively filtered image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434235.6A CN111246608A (en) | 2018-11-28 | 2018-11-28 | Automatic cutting platform for power supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434235.6A CN111246608A (en) | 2018-11-28 | 2018-11-28 | Automatic cutting platform for power supply line |
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| CN111246608A true CN111246608A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811434235.6A Withdrawn CN111246608A (en) | 2018-11-28 | 2018-11-28 | Automatic cutting platform for power supply line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117744012A (en) * | 2024-02-19 | 2024-03-22 | 北京智芯微电子科技有限公司 | Method and device for preventing abnormal electricity consumption based on fusion terminal and electronic equipment |
-
2018
- 2018-11-28 CN CN201811434235.6A patent/CN111246608A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117744012A (en) * | 2024-02-19 | 2024-03-22 | 北京智芯微电子科技有限公司 | Method and device for preventing abnormal electricity consumption based on fusion terminal and electronic equipment |
| CN117744012B (en) * | 2024-02-19 | 2024-05-17 | 北京智芯微电子科技有限公司 | Method and device for preventing abnormal electricity consumption based on fusion terminal and electronic equipment |
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Application publication date: 20200605 |