CN109756710B - Safety protection system for electric energy meter - Google Patents
Safety protection system for electric energy meter Download PDFInfo
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- CN109756710B CN109756710B CN201910016978.XA CN201910016978A CN109756710B CN 109756710 B CN109756710 B CN 109756710B CN 201910016978 A CN201910016978 A CN 201910016978A CN 109756710 B CN109756710 B CN 109756710B
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Abstract
The invention relates to a safety protection system of an electric energy meter, which comprises protection control equipment, a first protection control device and a second protection control device, wherein the protection control equipment is arranged in a shell of the monitored electric energy meter and is used for controlling the monitored electric energy meter to enter a data protection state when receiving a first control instruction; the protection control equipment is also used for controlling the monitored electric energy meter to exit the data protection state when receiving a second control instruction; the monitored electric energy meter closes various data interfaces thereof in the data protection state; and the support framework comprises a main connecting piece and a metal support structure. The safety protection system of the electric energy meter is reliable in design and high in safety. Because can whether have near the electric energy meter authorizes the human body to carry out the switching of electric energy meter state, each data interface of closing the electric energy meter in the unsafe state to can avoid electric power operation department's economic interests to receive the loss.
Description
Technical Field
The invention relates to the field of electric power meters, in particular to a safety protection system of an electric energy meter.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities.
When using a power meter, it is noted that the power meter can be directly connected to the circuit for measurement at low voltage (not more than 500 volts) and low current (tens of amperes). Under the condition of high voltage or large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use.
The first generation quartz clock-controlled time-sharing electric energy meter which is produced mainly in early days. The electric energy meter is connected with a quartz clock through a lead to drive peak and valley electromagnetic counters respectively at different time intervals, peak and valley electric quantities and total electric quantity are displayed respectively, and the peak and valley electric quantities are deducted according to the total electric quantity to be the electric quantity at a normal time interval. The time-sharing charging electric energy meter has poor reliability. The timing segmentation precision is too low (the minimum segmentation is 5min), the interference is easy to happen, the time interval adjustment is troublesome, the use function is single, the special requirements in time-sharing charging cannot be met, and the timing segmentation is basically eliminated and stopped at present.
The second generation electromechanical integrated structure time-sharing electric energy meter. The electric energy meter is based on a 1.0-level induction system electric energy meter core, adopts an infrared photoelectric converter, a pulse output and Central Processing Unit (CPU) and a singlechip circuit, uses an attached keyboard program or an infrared wireless keyboard to set various demands, clocks, time periods and double holidays, and can protect the maximum demands of the month, the maximum demands of the previous month and the maximum demands of the peak, the average and the valley of the month for display and storage. The device is provided with a pulse output and an RS-232 serial communication port, and is convenient for remote data transmission and monitoring.
Disclosure of Invention
The invention aims to provide a safety protection system for an electric energy meter, which comprises: and the protection control equipment is arranged in the shell of the monitored electric energy meter and is used for controlling the monitored electric energy meter to enter a data protection state when receiving the first control instruction.
More specifically, in the electric energy meter safety protection system: the protection control equipment is further used for controlling the monitored electric energy meter to exit the data protection state when receiving a second control instruction.
More specifically, in the electric energy meter safety protection system: and the monitored electric energy meter closes various data interfaces thereof in the data protection state.
More specifically, in the electric energy meter safety protection system, the system further includes: the supporting framework comprises a main connecting piece and a metal supporting structure, the first connecting fastener, the second connecting fastener and the third connecting fastener are fastened on the main connecting piece, the first long cylinder framework and the third long cylinder framework are horizontally connected, the first long cylinder framework and the second long cylinder framework are connected in a 90-degree mode, and the third long cylinder framework and the second long cylinder framework are connected in a 90-degree mode; the first long barrel structure comprises a plastic shell, an annular container, a first photographing part and a first connecting fastener, wherein the annular container, the first photographing part and the first connecting fastener are all located inside the plastic shell, the first photographing part is arranged at the outward end of the plastic shell, the first connecting fastener is arranged at the inward end of the plastic shell, and the first photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a first high-definition image; the second long barrel framework comprises a plastic shell, an annular container, a second photographing part and a second connecting fastener, wherein the annular container, the second photographing part and the second connecting fastener are all located inside the plastic shell, the second photographing part is arranged at the outward end of the plastic shell, the second connecting fastener is arranged at the inward end of the plastic shell, and the second photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a second high-definition image; the third long barrel framework comprises a plastic shell, an annular container, a third photographing part and a third connecting fastener, wherein the annular container, the third photographing part and the third connecting fastener are all located inside the plastic shell, the third photographing part is arranged at the outward end of the plastic shell, the third connecting fastener is arranged at the inward end of the plastic shell, and the third photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a third high-definition image; the splicing processing device is respectively connected with the first camera shooting component, the second camera shooting component and the third camera shooting component and is used for splicing the first high-definition image, the second high-definition image and the third high-definition image to obtain a spliced combined image; the type acquisition equipment is connected with the splicing processing equipment and used for receiving the spliced and combined image, performing type analysis on each noise in the spliced and combined image so as to count the total number of noise types in the spliced and combined image and output the total number of the noise types; the amplitude acquisition equipment is used for receiving the spliced and combined image, and carrying out amplitude analysis on each noise in the spliced and combined image so as to obtain the maximum amplitude in the spliced and combined image to be used as a reference amplitude to be output; and the weighting analysis equipment is respectively connected with the type acquisition equipment and the amplitude acquisition equipment, and is used for receiving the noise type total number and the reference amplitude and calculating a noise analysis reference value based on the preset type weight, the noise type total number, the preset amplitude weight and the reference amplitude.
The invention has the following key invention points:
(1) counting the total number of noise types in the image to output the total number of the noise types, carrying out amplitude analysis on each noise in the image to obtain the maximum amplitude value of the noise in the image to be used as a reference amplitude value to be output, calculating a noise analysis reference value based on preset type weight, the total number of the noise types, the preset amplitude value weight and the reference amplitude value, and executing image processing in different modes on the image based on the size of the noise analysis reference value, thereby considering the effect of image processing and the saving of operation resources;
(2) edge pixels in the grayed image are determined through analysis and judgment based on the gradient, so that the accuracy of subsequent target analysis is improved; and introducing protection control equipment, arranged in the shell of the monitored electric energy meter, for controlling the monitored electric energy meter to enter a data protection state when receiving a first control instruction, and for controlling the monitored electric energy meter to exit the data protection state when receiving a second control instruction.
The safety protection system of the electric energy meter is reliable in design and high in safety. Because can whether have near the electric energy meter authorizes the human body to carry out the switching of electric energy meter state, each data interface of closing the electric energy meter in the unsafe state to can avoid electric power operation department's economic interests to receive the loss.
Drawings
Fig. 1 is a schematic diagram of an external form of a monitored electric energy meter to which the safety protection system of the electric energy meter of the present invention is applied.
Detailed Description
The electric energy meter is often subjected to various electricity stealing behaviors in use. The electricity stealing method is called under-voltage electricity stealing method, in which the electricity stealing person intentionally changes the normal wiring of the electric energy metering voltage loop or intentionally causes the fault of the metering voltage loop, so that the voltage coil of the electric energy meter loses voltage or the voltage borne by the electric energy meter is reduced, thereby resulting in low electric quantity.
At present, the state of the electric energy meters scattered in various places used by the electric power operation department is kept unchanged all the time, each data interface of each electric energy meter is in an open state, and personnel who know about a certain instrument internal structure easily modify internal data, so that economic benefits of the electric power operation department are seriously lost.
In order to overcome the defects, the invention provides a safety protection system for an electric energy meter, which can effectively solve the corresponding technical problem.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Fig. 1 is a schematic diagram of an external form of a monitored electric energy meter to which the safety protection system of the electric energy meter of the present invention is applied.
An electric energy meter safety protection system comprising:
and the protection control equipment is arranged in the shell of the monitored electric energy meter and is used for controlling the monitored electric energy meter to enter a data protection state when receiving the first control instruction.
Next, the detailed structure of the safety protection system of the electric energy meter of the present invention will be further described.
In the electric energy meter safety protection system:
the protection control equipment is further used for controlling the monitored electric energy meter to exit the data protection state when receiving a second control instruction.
In the electric energy meter safety protection system:
and the monitored electric energy meter closes various data interfaces thereof in the data protection state.
The electric energy meter safety protection system further comprises:
the supporting framework comprises a main connecting piece and a metal supporting structure, the first connecting fastener, the second connecting fastener and the third connecting fastener are fastened on the main connecting piece, the first long cylinder framework and the third long cylinder framework are horizontally connected, the first long cylinder framework and the second long cylinder framework are connected in a 90-degree mode, and the third long cylinder framework and the second long cylinder framework are connected in a 90-degree mode;
the first long barrel structure comprises a plastic shell, an annular container, a first photographing part and a first connecting fastener, wherein the annular container, the first photographing part and the first connecting fastener are all located inside the plastic shell, the first photographing part is arranged at the outward end of the plastic shell, the first connecting fastener is arranged at the inward end of the plastic shell, and the first photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a first high-definition image;
the second long barrel framework comprises a plastic shell, an annular container, a second photographing part and a second connecting fastener, wherein the annular container, the second photographing part and the second connecting fastener are all located inside the plastic shell, the second photographing part is arranged at the outward end of the plastic shell, the second connecting fastener is arranged at the inward end of the plastic shell, and the second photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a second high-definition image;
the third long barrel framework comprises a plastic shell, an annular container, a third photographing part and a third connecting fastener, wherein the annular container, the third photographing part and the third connecting fastener are all located inside the plastic shell, the third photographing part is arranged at the outward end of the plastic shell, the third connecting fastener is arranged at the inward end of the plastic shell, and the third photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a third high-definition image;
the splicing processing device is respectively connected with the first camera shooting component, the second camera shooting component and the third camera shooting component and is used for splicing the first high-definition image, the second high-definition image and the third high-definition image to obtain a spliced combined image;
the type acquisition equipment is connected with the splicing processing equipment and used for receiving the spliced and combined image, performing type analysis on each noise in the spliced and combined image so as to count the total number of noise types in the spliced and combined image and output the total number of the noise types;
the amplitude acquisition equipment is used for receiving the spliced and combined image, and carrying out amplitude analysis on each noise in the spliced and combined image so as to obtain the maximum amplitude in the spliced and combined image to be used as a reference amplitude to be output;
the weighted analysis equipment is respectively connected with the type acquisition equipment and the amplitude acquisition equipment, and is used for receiving the noise type total number and the reference amplitude and calculating a noise analysis reference value based on a preset type weight, a noise type total number, a preset amplitude weight and a reference amplitude;
the static storage equipment is connected with the weighting analysis equipment and is used for storing the preset type weight and the preset amplitude weight;
the filtering switching device is connected with the weighting analysis device and used for receiving the noise analysis reference value, sending a first switching signal when the noise analysis reference value exceeds a limit amount and sending a second switching signal when the noise analysis reference value does not exceed the limit amount;
the first execution device is respectively connected with the type acquisition device and the filtering switching device, and is used for executing the following actions on each pixel point in the spliced combined image when the first switching signal is received: taking each pixel point in the spliced and combined image as a target pixel point, determining each pixel value of each pixel point in a preset search window taking the target pixel point as a center in the spliced and combined image, determining each standard deviation of each direction of the target pixel point in the preset search window based on each pixel value of each pixel point, and performing pixel value weighting calculation based on each standard deviation of each direction to obtain an executed pixel value of the target pixel point;
the second execution device is respectively connected with the type acquisition device and the filtering switching device, and is used for executing the following actions on each pixel point in the spliced combined image when receiving the second switching signal: taking each pixel point in the spliced and combined image as a target pixel point, determining the mean value of each pixel point in a preset search window which takes the target pixel point as the center in the spliced and combined image, and taking the mean value as the executed pixel value of the target pixel point;
the data summarizing device is respectively connected with the first execution device and the second execution device and is used for summarizing a summarizing image corresponding to the spliced and combined image based on the executed pixel values of the pixels of the spliced and combined image;
affine transformation equipment, connected to the data summarization equipment, configured to receive the summarized image, equally divide the summarized image into blocks of corresponding block sizes based on a distance between a signal-to-noise ratio level of the summarized image and a preset lower-limit signal-to-noise ratio level, select, for each block, affine transformation processing of different corresponding strengths based on a pixel value variance of the block to obtain adjusted blocks, and merge the obtained adjusted blocks to obtain an adjusted and merged image; in the affine transformation device, the farther the signal-to-noise ratio level of the summarized image is from a preset lower limit signal-to-noise ratio level, the larger the corresponding block into which the summarized image is equally divided, and in the affine transformation device, the larger the overall distortion degree of each block is, the larger the selected affine transformation processing degree is;
the graying processing equipment is connected with the affine transformation equipment and is used for receiving the adjusted and combined image and executing graying processing on the adjusted and combined image to obtain and output a corresponding grayed image;
the gradient acquisition equipment is connected with the graying processing equipment and is used for receiving the graying image, judging each gradient from the pixel value of each pixel in the graying image to the pixel value of the surrounding pixels, judging the pixel as an edge pixel when the gradient is greater than or equal to a preset gradient threshold value, and judging the pixel as a non-edge pixel when the gradient is less than the preset gradient threshold value;
and the object extraction equipment is connected with the gradient acquisition equipment and is used for connecting all the edge pixels to obtain a plurality of closed curves, respectively dividing a plurality of corresponding patterns from the gray-scale image based on the plurality of closed curves, and sending a first control instruction when unauthorized human body image characteristics exist in the plurality of patterns, or sending a second control instruction when the unauthorized human body image characteristics do not exist in the plurality of patterns.
In the electric energy meter safety protection system:
the splicing processing equipment is arranged inside a main connecting piece of the supporting framework and is respectively in wireless connection with the first camera shooting component, the second camera shooting component and the third camera shooting component through a WIFI network.
In the electric energy meter safety protection system:
the pixel value weighting calculation based on each standard deviation of each direction includes: the smaller the standard deviation in a certain direction is, the larger the weight value used by each pixel point in the direction in the preset search window to participate in pixel value weighting calculation is.
In the electric energy meter safety protection system:
and when receiving the second switching signal, the first execution device stops executing actions on each pixel point in the spliced combined image.
In the electric energy meter safety protection system:
and the second execution equipment stops executing actions on each pixel point in the spliced combined image when receiving the first switching signal.
In the electric energy meter safety protection system:
the system further comprises a signal-to-noise ratio improving device which is connected with the affine transformation device and used for performing signal-to-noise ratio improving operation on the summarized image when the signal-to-noise ratio level of the summarized image is smaller than the preset lower limit signal-to-noise ratio level before the affine transformation device performs affine transformation on the summarized image, replacing the summarized image with the summarized image after the signal-to-noise ratio improving operation and inputting the replaced summarized image into the affine transformation device, and not performing the signal-to-noise ratio improving operation on the summarized image when the signal-to-noise ratio level of the summarized image is larger than or equal to the preset lower limit signal-.
The electric energy meter safety protection system further comprises:
and the MMC memory card is connected with the affine transformation equipment and is used for pre-storing the preset lower limit signal-to-noise ratio grade.
Additionally, WIFI is a technology that allows an electronic device to connect to a Wireless Local Area Network (WLAN), typically using the 2.4G UHF or 5G SHF ISM radio frequency bands. Connecting to a wireless local area network is typically password protected; but may be open, allowing any device within range of the WLAN to connect. WIFI is a brand of wireless network communication technology, held by the WIFI alliance. The object is to improve the interoperability between wireless network products based on the IEEE 802.11 standard. Local area networks using the IEEE 802.11 family of protocols are known as wireless fidelity. Even WIFI is equated to the wireless internet (WIFI is an important component of WLAN).
The wireless network internet access can be simply understood as wireless internet access, almost all smart phones, tablet computers and notebook computers support WIFI internet access, and the wireless network transmission technology is the most widely used wireless network transmission technology at present. In effect, the wired network signal is converted to a wireless signal, as described at the outset, using a wireless router for reception by the relevant computer, cell phone, tablet, etc. supporting its technology. If the mobile phone has the WIFI function, the mobile phone can surf the internet without a mobile communication network when a WIFI wireless signal exists, and traffic cost is saved.
Wireless networking of wireless networks is commonly used in large cities, and although the wireless communication quality transmitted by the WIFI technology is not good, the data security performance is poorer than that of Bluetooth, the transmission quality needs to be improved, the transmission speed is very high, 54Mbps can be achieved, and the requirements of personal and social informatization are met. The main advantage of WIFI is that it does not need wiring, and it can not be limited by wiring conditions, so it is very suitable for the needs of mobile office users, and because the transmission signal power is lower than 100mw, and lower than the transmission power of mobile phone, it is relatively the safest and healthier to access the internet via WIFI.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. An electric energy meter safety protection system, comprising:
the protection control equipment is arranged in the shell of the monitored electric energy meter and is used for controlling the monitored electric energy meter to enter a data protection state when receiving a first control instruction;
the protection control equipment is also used for controlling the monitored electric energy meter to exit the data protection state when receiving a second control instruction;
the monitored electric energy meter closes various data interfaces thereof in the data protection state;
the supporting framework comprises a main connecting piece and a metal supporting structure, the first connecting fastener, the second connecting fastener and the third connecting fastener are fastened on the main connecting piece, the first long cylinder framework and the third long cylinder framework are horizontally connected, the first long cylinder framework and the second long cylinder framework are connected in a 90-degree mode, and the third long cylinder framework and the second long cylinder framework are connected in a 90-degree mode;
the first long barrel structure comprises a plastic shell, an annular container, a first photographing part and a first connecting fastener, wherein the annular container, the first photographing part and the first connecting fastener are all located inside the plastic shell, the first photographing part is arranged at the outward end of the plastic shell, the first connecting fastener is arranged at the inward end of the plastic shell, and the first photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a first high-definition image;
the second long barrel framework comprises a plastic shell, an annular container, a second photographing part and a second connecting fastener, wherein the annular container, the second photographing part and the second connecting fastener are all located inside the plastic shell, the second photographing part is arranged at the outward end of the plastic shell, the second connecting fastener is arranged at the inward end of the plastic shell, and the second photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a second high-definition image;
the third long barrel framework comprises a plastic shell, an annular container, a third photographing part and a third connecting fastener, wherein the annular container, the third photographing part and the third connecting fastener are all located inside the plastic shell, the third photographing part is arranged at the outward end of the plastic shell, the third connecting fastener is arranged at the inward end of the plastic shell, and the third photographing part is embedded inside the annular container and used for conducting high-definition image acquisition on the environment where the monitored electric energy meter is located outwards to obtain a third high-definition image;
the splicing processing device is respectively connected with the first camera shooting component, the second camera shooting component and the third camera shooting component and is used for splicing the first high-definition image, the second high-definition image and the third high-definition image to obtain a spliced combined image;
the type acquisition equipment is connected with the splicing processing equipment and used for receiving the spliced and combined image, performing type analysis on each noise in the spliced and combined image so as to count the total number of noise types in the spliced and combined image and output the total number of the noise types;
the amplitude acquisition equipment is used for receiving the spliced and combined image, and carrying out amplitude analysis on each noise in the spliced and combined image so as to obtain the maximum amplitude in the spliced and combined image to be used as a reference amplitude to be output;
the weighted analysis equipment is respectively connected with the type acquisition equipment and the amplitude acquisition equipment, and is used for receiving the noise type total number and the reference amplitude and calculating a noise analysis reference value based on a preset type weight, a noise type total number, a preset amplitude weight and a reference amplitude;
the static storage equipment is connected with the weighting analysis equipment and is used for storing the preset type weight and the preset amplitude weight;
the filtering switching device is connected with the weighting analysis device and used for receiving the noise analysis reference value, sending a first switching signal when the noise analysis reference value exceeds a limit amount and sending a second switching signal when the noise analysis reference value does not exceed the limit amount;
the first execution device is respectively connected with the type acquisition device and the filtering switching device, and is used for executing the following actions on each pixel point in the spliced combined image when the first switching signal is received: taking each pixel point in the spliced and combined image as a target pixel point, determining each pixel value of each pixel point in a preset search window taking the target pixel point as a center in the spliced and combined image, determining each standard deviation of each direction of the target pixel point in the preset search window based on each pixel value of each pixel point, and performing pixel value weighting calculation based on each standard deviation of each direction to obtain an executed pixel value of the target pixel point;
the second execution device is respectively connected with the type acquisition device and the filtering switching device, and is used for executing the following actions on each pixel point in the spliced combined image when receiving the second switching signal: taking each pixel point in the spliced and combined image as a target pixel point, determining the mean value of each pixel point in a preset search window which takes the target pixel point as the center in the spliced and combined image, and taking the mean value as the executed pixel value of the target pixel point;
the data summarizing device is respectively connected with the first execution device and the second execution device and is used for summarizing a summarizing image corresponding to the spliced and combined image based on the executed pixel values of the pixels of the spliced and combined image;
affine transformation equipment, connected to the data summarization equipment, configured to receive the summarized image, equally divide the summarized image into blocks of corresponding block sizes based on a distance between a signal-to-noise ratio level of the summarized image and a preset lower-limit signal-to-noise ratio level, select, for each block, affine transformation processing of different corresponding strengths based on a pixel value variance of the block to obtain adjusted blocks, and merge the obtained adjusted blocks to obtain an adjusted and merged image; in the affine transformation device, the farther the signal-to-noise ratio level of the summarized image is from a preset lower limit signal-to-noise ratio level, the larger the corresponding block into which the summarized image is equally divided, and in the affine transformation device, the larger the overall distortion degree of each block is, the larger the selected affine transformation processing degree is;
the graying processing equipment is connected with the affine transformation equipment and is used for receiving the adjusted and combined image and executing graying processing on the adjusted and combined image to obtain and output a corresponding grayed image;
the gradient acquisition equipment is connected with the graying processing equipment and is used for receiving the graying image, judging each gradient from the pixel value of each pixel in the graying image to the pixel value of the surrounding pixels, judging the pixel as an edge pixel when the gradient is greater than or equal to a preset gradient threshold value, and judging the pixel as a non-edge pixel when the gradient is less than the preset gradient threshold value;
and the object extraction equipment is connected with the gradient acquisition equipment and is used for connecting all the edge pixels to obtain a plurality of closed curves, respectively dividing a plurality of corresponding patterns from the gray-scale image based on the plurality of closed curves, and sending a first control instruction when unauthorized human body image characteristics exist in the plurality of patterns, or sending a second control instruction when the unauthorized human body image characteristics do not exist in the plurality of patterns.
2. The electric energy meter safety protection system of claim 1, wherein:
the splicing processing equipment is arranged inside a main connecting piece of the supporting framework and is respectively in wireless connection with the first camera shooting component, the second camera shooting component and the third camera shooting component through a WIFI network.
3. The electric energy meter safety protection system of claim 2, wherein:
the pixel value weighting calculation based on each standard deviation of each direction includes: the smaller the standard deviation in a certain direction is, the larger the weight value used by each pixel point in the direction in the preset search window to participate in pixel value weighting calculation is.
4. The electric energy meter safety protection system of claim 3, wherein:
and when receiving the second switching signal, the first execution device stops executing actions on each pixel point in the spliced combined image.
5. The electric energy meter safety protection system of claim 4, wherein:
and the second execution equipment stops executing actions on each pixel point in the spliced combined image when receiving the first switching signal.
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| CN103218876A (en) * | 2013-04-11 | 2013-07-24 | 成都秦川科技发展有限公司 | Information security management module of remote control intelligent electric energy meter |
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