CN105628996A - Image processing-based electric energy meter - Google Patents
Image processing-based electric energy meter Download PDFInfo
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- CN105628996A CN105628996A CN201610180550.5A CN201610180550A CN105628996A CN 105628996 A CN105628996 A CN 105628996A CN 201610180550 A CN201610180550 A CN 201610180550A CN 105628996 A CN105628996 A CN 105628996A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention relates to an image processing-based electric energy meter. The image processing-based electric energy meter comprises an electric energy detection device, a figure action trajectory detection device, a figure appearance frequency detection device and a main controller; the electric energy detection device is used for detecting the power parameters of power-frequency alternating current; the figure action trajectory detection device and the figure appearance frequency detection device are respectively used for determining the action trajectories and appearance frequency of a target figure in an elevator based on image processing; and the main controller is connected with the electric energy detection device, the figure action trajectory detection device and the figure appearance frequency detection device. With the above technical schemes of the invention adopted, the application range of the electric energy meter can be extended, and space occupied by equipment can be reduced.
Description
Technical field
The present invention relates to image processing field, particularly relate to a kind of electric energy table based on image procossing.
Background technology
From the technical Analysis of electric energy table, the major programme of current power industry electric energy measurement instrument is generally all based semiconductor technology and realizes accurate measurement object. Electric energy table generally all have employed the A/D converter of high precision, undertaken sampling and analog to digital conversion by the voltage of electrical network, electric current signal, then utilize high speed microprocessor numerary signal to be analyzed, process and data reprocessing, sorting, thus produce various continuous data; Various communication interface, man-machine interface is finally utilized to realize docking with various equipment.
But, the design of electric energy table of the prior art has certain limitation, owing to electric energy table is placed on public space usually, but do not carry subsidiary function equipment the situation of public space monitored or realize other functions, electric energy table is confined to the parameter measurement of electric power circuit, and even so, the structure of electric energy table of the prior art still has the space optimized and transform, the detection efficiency of electric energy table of the prior art is not high, and accuracy of detection still has much room for improvement.
Therefore, the present invention proposes a kind of electric energy table based on image procossing, public space between the elevator occupied by existing electric energy table is utilized to be detected in real time by the human target between elevator, to determine whether there is suspicious figure and to determine whether trigger warning, simultaneously, the internal structure of existing electric energy table is carried out further integration and optimization, it is to increase to the precision of electric power circuit parameter detecting.
Summary of the invention
In order to solve the problem, the present invention provides a kind of electric energy table based on image procossing, introduce personage's occurrence number test set and personage's trajectory analysis equipment, when personage's occurrence number be less than or equal to preset times threshold value and receive track can suspect signal time, send and there is suspect's guard signal, meanwhile, the structure of electric energy table is carried out de-redundancy, thus improve the serviceability of electric energy table, the public space occupied by saving equipment comprehensively.
According to an aspect of the present invention, provide a kind of electric energy table based on image procossing, comprise electric energy detection equipment, figure action track detection equipment, personage's occurrence number test set and principal controller, electric energy detection equipment is for detecting the parameters of electric power of industrial-frequency alternating current, figure action track detection equipment and personage's occurrence number test set are respectively used to determine action track and the occurrence number of human target between elevator based on image procossing, and principal controller is connected with electric energy detection equipment, figure action track detection equipment and personage's occurrence number test set respectively.
More specifically, in the described electric energy table based on image procossing, comprising: calibrated resistance, be a slip varistor, resistance value is 2M ��, and an inboardend is connected with the zero line of industrial-frequency alternating current, and sliding end is connected with one end of the 2nd resistance, 2nd resistance, resistance value is 1M ��, and the other end is connected with one end of the first resistance, and meanwhile, the other end exports as a measuring junction of sampled voltage, first resistance, resistance value is 1.5K ��, and the other end is connected with the live wire of industrial-frequency alternating current, first electric capacity, capacitance is 220pf, and one end is connected with the other end of the 2nd resistance, the other end ground connection, 3rd resistance, resistance value is 470 ��, and one end is connected with the live wire of industrial-frequency alternating current, and the other end exports as another measuring junction of sampled voltage, 2nd electric capacity, capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, the other end ground connection, 3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 2nd resistance, and the other end is connected with the other end of the 3rd resistance, 4th resistance, resistance value is 0.6m ��, is inserted on the live wire of industrial-frequency alternating current, and namely two ends are all connected with the live wire of industrial-frequency alternating current, 5th resistance, resistance value is 470 ��, and one end is connected with one end of the 4th resistance, and the other end exports as a measuring junction of sampling electric current, 6th resistance, resistance value is 470 ��, is connected with the other end of the 4th resistance, and the other end exports as another measuring junction of sampling electric current, 4th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 5th resistance, the other end ground connection, 5th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 6th resistance, the other end ground connection, 6th electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 5th resistance, and the other end is connected with the other end of the 6th resistance, capacity voltage dropping circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for industrial-frequency alternating current is changed into 5V low-voltage DC, to be used as the power supply of electric energy detection equipment, electric energy detection equipment, comprise tension measuring circuit, current measurement circuit and microprocessor, tension measuring circuit is connected to detect respectively with two measuring junctions of sampled voltage and exports the real-time sampled voltage of industrial-frequency alternating current, current measurement circuit is connected to detect respectively with two measuring junctions of sampling electric current and exports the real-time sampling electric current of industrial-frequency alternating current, microprocessor respectively with tension measuring circuit and current measurement circuit, based on the real-time sampled voltage of industrial-frequency alternating current and the real-time sampling electric current of industrial-frequency alternating current, determine and export wattful power and the wattless power of industrial-frequency alternating current, xegregating unit, between electric energy detection equipment and AVR32 chip, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, avoids mutual interference, AC/DC power unit, comprises transformer step-down circuit, full bridge rectifier, filtering circuit and voltage stabilizing circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for the industrial-frequency alternating current of 220V is converted to the direct current of 5V or 3.3V, ZIGBEE communication interface, is connected with AVR32 chip, for receiving and send wattful power and wattless power to neighbouring radio meter register equipment, the erasable storer AT24C16B of the erasable serial of serial, has 10,000 erasable circulations, is connected with AVR32 chip, for receiving wattful power and the wattless power of industrial-frequency alternating current, image capture device, is arranged on electric energy off-balancesheet frame, shooting direction towards between elevator, for taking image between high definition elevator,Complexity test set, is connected with image capture device, for receiving image between high definition elevator, and calculates and output image complexity based on image between high definition elevator, gray scale converting apparatus, it is connected with image capture device, for receiving image between high definition elevator, for each pixel in image between high definition elevator, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component give different weighted values to carry out weighted mean, to obtain corresponding gray-scale value, the gray-scale value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11, image filter apparatus, it is connected with complexity test set and gray scale converting apparatus respectively, for the filtering strategy determining to select based on image complexity, when image complexity is below default complexity scope lower limit, select gaussian filtering strategy that gray level image is carried out filtering, when image complexity is more than the default complexity scope upper limit, select mean filter strategy that gray level image is carried out filtering, when image complexity is within default complexity scope, in selection, gray level image is carried out filtering by value filtering strategy, the overall situation two value equipment, it is connected with complexity test set and image filter apparatus respectively, for determining the determination strategy of overall situation binary-state threshold based on image complexity, after determining overall situation binary-state threshold, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, make pixel value only 0 or 255 these the two kinds selections of the binary image after processing, wherein determine that the determination strategy of overall situation binary-state threshold specifically comprises based on image complexity: when image complexity is below default complexity scope lower limit, Two-peak method is adopted to determine overall situation binary-state threshold, when image complexity is more than the default complexity scope upper limit, maximum variance between clusters is adopted to determine overall situation binary-state threshold, when image complexity is within default complexity scope, mean value method is adopted to determine overall situation binary-state threshold, image correcting device, with overall two value equipment connections to receive binary image, for binary image carries out rotation correction process, redundancy cutting process and image normalization process successively, to obtain correcting image, person recognition equipment, it is connected to receive image and binary image between high definition elevator respectively with image capture device and image correcting device, for identifying the human target of binary image based on default benchmark character contour, and it is partitioned into corresponding human target image in the position at binary image place from image between high definition elevator based on human target, personage's occurrence number test set, storer AT24C16B erasable with person recognition equipment and serial is connected, receive personage's target image, undertaken each existing human target image in erasable with serial for the human target in the human target image received storer AT24C16B mating to determine whether first time occurs human target, it fails to match is then defined as first time appearance, then being stored in the erasable storer AT24C16B of serial using human target image corresponding for human target as new existing human target image and marking corresponding occurrence number is 1, the match is successful is then defined as not being occur first time, then occurrence number corresponding for the existing human target image matched in erasable for serial storer AT24C16B is increased by 1,The occurrence number of existing human target image corresponding for human target is also exported by personage's occurrence number test set as personage's occurrence number; Personage's trajectory analysis equipment, with person recognition equipment connection to receive personage's target image, for the action of the human target in human target image being mated based on default suspicious figure's action norm, if the match is successful, output trajectory can suspect signal, if it fails to match, output trajectory normal signal; AVR32 chip, by isolation circuit and electric energy detection equipment connection, for receiving wattful power and the wattless power of industrial-frequency alternating current; AVR32 chip also respectively with personage's occurrence number test set and personage's trajectory analysis equipment connection, when personage's occurrence number be less than or equal to preset times threshold value and receive track can suspect signal time, there is suspect's signal in output, when personage's occurrence number is greater than preset times threshold value or receives track normal signal, export and there is not suspect's signal.
More specifically, in the described electric energy table based on image procossing, also comprise: mobile communication interface, it is connected with AVR32 chip.
More specifically, in the described electric energy table based on image procossing: mobile communication interface is used for there is suspect's signal and be sent to by two-way wireless communication link the management of public safety center of far-end.
More specifically, in the described electric energy table based on image procossing: mobile communication interface is used for being sent to the wattful power of industrial-frequency alternating current and wattless power the center of checking meter of far-end.
More specifically, in the described electric energy table based on image procossing: the erasable storer AT24C16B of serial is also for storing preset times.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the electric energy table based on image procossing illustrated according to an embodiment of the present invention.
Reference numeral: 1 electric energy detection equipment; 2 figure action track detection equipment; 3 personage's occurrence number test sets; 4 principal controllers
Embodiment
Below with reference to accompanying drawings the embodiment based on the electric energy table of image procossing of the present invention is described in detail.
Electric energy table divides by access phase line, can be divided into single-phase, phase three-wire three, three-phase and four-line electric energy table.
Electric energy table is used to should be noted that following item: when low voltage (being no more than 500 volts) and small area analysis (tens peaces), electric energy table can directly be measured by put in circuit. When high-voltage or big current, electric energy table can not directly access circuit, and voltage transformer or current transformer need to be coordinated to use. For the electric energy table directly accessing circuit, appropriate size to be selected according to load voltage and electric current, make voltage rating and the rated current of electric energy table, be equal to or slightly greater than voltage or the electric current of load. In addition, the power consumption of load at more than the 10% of electric energy table rated value, otherwise to be measured inaccurate. Even sometimes the not dynamic aluminium dish of basic band rotates. So electric energy table can not select too big. If selecting too little also easily to burn out electric energy table.
Electric energy table of the prior art develops to intelligent direction, such as, provide remote meter reading interface etc., but generally, electric energy table of the prior art exists following defect: the measuring accuracy of electric energy table still has much room for improvement; The function singleness of electric energy table, is still confined to the detection to electric power circuit and operates, it does not have make full use of the public space shared by electric energy table, such as public space between elevator.
In order to overcome above-mentioned deficiency, the present invention has built a kind of electric energy table based on image procossing, while the detection efficiency improving self and accuracy of detection, each personage's subject performance track and occurrence number between elevator can be judged, find suspicious figure to determine whether, thus effectively maintain the security context of building.
Fig. 1 is the block diagram of the electric energy table based on image procossing illustrated according to an embodiment of the present invention, comprise electric energy detection equipment, figure action track detection equipment, personage's occurrence number test set and principal controller, electric energy detection equipment is for detecting the parameters of electric power of industrial-frequency alternating current, figure action track detection equipment and personage's occurrence number test set are respectively used to determine action track and the occurrence number of human target between elevator based on image procossing, principal controller respectively with electric energy detection equipment, figure action track detection equipment and personage's occurrence number test set connect.
Then, continue the concrete structure based on the electric energy table of image procossing to the present invention to be further detailed.
Described electric energy table comprises: calibrated resistance, is a slip varistor, and resistance value is 2M ��, and an inboardend is connected with the zero line of industrial-frequency alternating current, and sliding end is connected with one end of the 2nd resistance; 2nd resistance, resistance value is 1M ��, and the other end is connected with one end of the first resistance, and meanwhile, the other end exports as a measuring junction of sampled voltage; First resistance, resistance value is 1.5K ��, and the other end is connected with the live wire of industrial-frequency alternating current.
Described electric energy table comprises: the first electric capacity, and capacitance is 220pf, and one end is connected with the other end of the 2nd resistance, the other end ground connection; 3rd resistance, resistance value is 470 ��, and one end is connected with the live wire of industrial-frequency alternating current, and the other end exports as another measuring junction of sampled voltage; 2nd electric capacity, capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, the other end ground connection; 3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 2nd resistance, and the other end is connected with the other end of the 3rd resistance; 4th resistance, resistance value is 0.6m ��, is inserted on the live wire of industrial-frequency alternating current, and namely two ends are all connected with the live wire of industrial-frequency alternating current.
Described electric energy table comprises: the 5th resistance, and resistance value is 470 ��, and one end is connected with one end of the 4th resistance, and the other end exports as a measuring junction of sampling electric current; 6th resistance, resistance value is 470 ��, is connected with the other end of the 4th resistance, and the other end exports as another measuring junction of sampling electric current; 4th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 5th resistance, the other end ground connection; 5th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 6th resistance, the other end ground connection; 6th electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 5th resistance, and the other end is connected with the other end of the 6th resistance; Capacity voltage dropping circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for industrial-frequency alternating current is changed into 5V low-voltage DC, to be used as the power supply of electric energy detection equipment.
Described electric energy table comprises: electric energy detection equipment, comprise tension measuring circuit, current measurement circuit and microprocessor, tension measuring circuit is connected to detect respectively with two measuring junctions of sampled voltage and exports the real-time sampled voltage of industrial-frequency alternating current, current measurement circuit is connected to detect respectively with two measuring junctions of sampling electric current and exports the real-time sampling electric current of industrial-frequency alternating current, microprocessor respectively with tension measuring circuit and current measurement circuit, based on the real-time sampled voltage of industrial-frequency alternating current and the real-time sampling electric current of industrial-frequency alternating current, determine and export wattful power and the wattless power of industrial-frequency alternating current.
Described electric energy table comprises: xegregating unit, between electric energy detection equipment and AVR32 chip, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, avoids mutual interference; AC/DC power unit, comprises transformer step-down circuit, full bridge rectifier, filtering circuit and voltage stabilizing circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for the industrial-frequency alternating current of 220V is converted to the direct current of 5V or 3.3V.
Described electric energy table comprises: ZIGBEE communication interface, is connected with AVR32 chip, for receiving and send wattful power and wattless power to neighbouring radio meter register equipment; The erasable storer AT24C16B of the erasable serial of serial, has 10,000 erasable circulations, is connected with AVR32 chip, for receiving wattful power and the wattless power of industrial-frequency alternating current.
Described electric energy table comprises: image capture device, is arranged on electric energy off-balancesheet frame, shooting direction towards between elevator, for taking image between high definition elevator; Complexity test set, is connected with image capture device, for receiving image between high definition elevator, and calculates and output image complexity based on image between high definition elevator; Gray scale converting apparatus, it is connected with image capture device, for receiving image between high definition elevator, for each pixel in image between high definition elevator, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component give different weighted values to carry out weighted mean, to obtain corresponding gray-scale value, the gray-scale value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11.
Described electric energy table comprises: image filter apparatus, it is connected with complexity test set and gray scale converting apparatus respectively, for the filtering strategy determining to select based on image complexity, when image complexity is below default complexity scope lower limit, select gaussian filtering strategy that gray level image is carried out filtering, when image complexity is more than the default complexity scope upper limit, select mean filter strategy that gray level image is carried out filtering, when image complexity is within default complexity scope, in selection, gray level image is carried out filtering by value filtering strategy.
Described electric energy table comprises: overall two value equipment, it is connected with complexity test set and image filter apparatus respectively, for determining the determination strategy of overall situation binary-state threshold based on image complexity, after determining overall situation binary-state threshold, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, make pixel value only 0 or 255 these the two kinds selections of the binary image after processing, wherein determine that the determination strategy of overall situation binary-state threshold specifically comprises based on image complexity: when image complexity is below default complexity scope lower limit, Two-peak method is adopted to determine overall situation binary-state threshold, when image complexity is more than the default complexity scope upper limit, maximum variance between clusters is adopted to determine overall situation binary-state threshold, when image complexity is within default complexity scope, mean value method is adopted to determine overall situation binary-state threshold.
Described electric energy table comprises: image correcting device, with overall two value equipment connections to receive binary image, for binary image carries out rotation correction process, redundancy cutting process and image normalization process successively, to obtain correcting image; Person recognition equipment, it is connected to receive image and binary image between high definition elevator respectively with image capture device and image correcting device, for identifying the human target of binary image based on default benchmark character contour, and it is partitioned into corresponding human target image in the position at binary image place from image between high definition elevator based on human target.
Described electric energy table comprises: personage's occurrence number test set, storer AT24C16B erasable with person recognition equipment and serial is connected, receive personage's target image, undertaken each existing human target image in erasable with serial for the human target in the human target image received storer AT24C16B mating to determine whether first time occurs human target, it fails to match is then defined as first time appearance, then being stored in the erasable storer AT24C16B of serial using human target image corresponding for human target as new existing human target image and marking corresponding occurrence number is 1, the match is successful is then defined as not being occur first time, then occurrence number corresponding for the existing human target image matched in erasable for serial storer AT24C16B is increased by 1, the occurrence number of existing human target image corresponding for human target is also exported by personage's occurrence number test set as personage's occurrence number.
Described electric energy table comprises: personage's trajectory analysis equipment, with person recognition equipment connection to receive personage's target image, for the action of the human target in human target image being mated based on default suspicious figure's action norm, if the match is successful, output trajectory can suspect signal, if it fails to match, output trajectory normal signal.
Described electric energy table comprises: AVR32 chip, by isolation circuit and electric energy detection equipment connection, for receiving wattful power and the wattless power of industrial-frequency alternating current; AVR32 chip also respectively with personage's occurrence number test set and personage's trajectory analysis equipment connection, when personage's occurrence number be less than or equal to preset times threshold value and receive track can suspect signal time, there is suspect's signal in output, when personage's occurrence number is greater than preset times threshold value or receives track normal signal, export and there is not suspect's signal.
Can selection of land, in described electric energy table, also comprise: mobile communication interface, be connected with AVR32 chip; Mobile communication interface is used for there is suspect's signal and be sent to by two-way wireless communication link the management of public safety center of far-end; Mobile communication interface is used for being sent to the wattful power of industrial-frequency alternating current and wattless power the center of checking meter of far-end; The erasable storer AT24C16B of serial can also be used for storing preset times.
In addition, the current main product of electric energy table row industry has been in Rapid development stage in the world, belongs to Chaoyang industry, and the whole world comprises developed economies and developing country all in the update carrying out electric energy table, to adapt to the change of current whole world situation. One is global energy-saving and emission-reduction requirement, it is necessary to carry out the accurate measurement of energy, promotes that each electricity consumption main body carries out power consumption control according to the change of energy, changes consumption habit; Two is adapt to Management of Electrical Enterprise modernization, information-based requirement, by the node of intelligent electric energy meter as electrical network, can fast and effeciently understand the electricity consumption real-time condition of the measurement point such as power consumer, substation, it is provided that more accurate service and management.
What in electric energy table product, demand was maximum is single-phase resident's electric energy table, but the increase of increase, the power load year by year due to electricity consumption of resident, and relevant electrical equipment requires to use three phase supply. Utilize three phase supply can improve balancing the load rate, reduce electric power line loss simultaneously. Current developed country residential electricity consumption major part has adopted three phase supply. Therefore the demand of three phase metering electric energy table is by increasing, and the accounting in the demand structure of electric energy table will progressively promote.
For advancing intelligent grid construction, the important component part that intelligent electric energy meter and power information acquisition system will be built as intelligent grid, realize " all standing, complete gather, entirely take control " to electricity consumption user, the lifting of power information acquisition system product technology will be promoted.
Adopt the electric energy table based on image procossing of the present invention, the technical problem of and functional defect low for electric energy table detection efficiency in prior art, integrated detection platform on electric energy table, by detection personage's occurrence number and figure action track, the character features between the elevator of electric energy table place is detected, and when personage's occurrence number be less than or equal to preset times threshold value and receive track can suspect signal time, there is suspect's signal in output, when personage's occurrence number is greater than preset times threshold value or receives track normal signal, export and there is not suspect's signal, thus realize the automatization to suspicious figure and report to the police, simultaneously, the also perfect electric energy detection function of electric energy table, improve the serviceability of electric energy table comprehensively.
Although it should be appreciated that the present invention with better embodiment disclose as above, but above-described embodiment and be not used to limit the present invention. For any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible variations and modification, or be revised as the equivalent embodiment of equivalent variations. Therefore, every content not departing from technical solution of the present invention, the technical spirit of foundation the present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1. the electric energy table based on image procossing, comprise electric energy detection equipment, figure action track detection equipment, personage's occurrence number test set and principal controller, electric energy detection equipment is for detecting the parameters of electric power of industrial-frequency alternating current, figure action track detection equipment and personage's occurrence number test set are respectively used to determine action track and the occurrence number of human target between elevator based on image procossing, and principal controller is connected with electric energy detection equipment, figure action track detection equipment and personage's occurrence number test set respectively.
2. as claimed in claim 1 based on the electric energy table of image procossing, it is characterised in that, described electric energy table comprises:
Calibrated resistance is a slip varistor, and resistance value is 2M ��, and an inboardend is connected with the zero line of industrial-frequency alternating current, and sliding end is connected with one end of the 2nd resistance;
2nd resistance, resistance value is 1M ��, and the other end is connected with one end of the first resistance, and meanwhile, the other end exports as a measuring junction of sampled voltage;
First resistance, resistance value is 1.5K ��, and the other end is connected with the live wire of industrial-frequency alternating current;
First electric capacity, capacitance is 220pf, and one end is connected with the other end of the 2nd resistance, the other end ground connection;
3rd resistance, resistance value is 470 ��, and one end is connected with the live wire of industrial-frequency alternating current, and the other end exports as another measuring junction of sampled voltage;
2nd electric capacity, capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, the other end ground connection;
3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 2nd resistance, and the other end is connected with the other end of the 3rd resistance;
4th resistance, resistance value is 0.6m ��, is inserted on the live wire of industrial-frequency alternating current, and namely two ends are all connected with the live wire of industrial-frequency alternating current;
5th resistance, resistance value is 470 ��, and one end is connected with one end of the 4th resistance, and the other end exports as a measuring junction of sampling electric current;
6th resistance, resistance value is 470 ��, is connected with the other end of the 4th resistance, and the other end exports as another measuring junction of sampling electric current;
4th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 5th resistance, the other end ground connection;
5th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 6th resistance, the other end ground connection;
6th electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 5th resistance, and the other end is connected with the other end of the 6th resistance;
Capacity voltage dropping circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for industrial-frequency alternating current is changed into 5V low-voltage DC, to be used as the power supply of electric energy detection equipment;
Electric energy detection equipment, comprise tension measuring circuit, current measurement circuit and microprocessor, tension measuring circuit is connected to detect respectively with two measuring junctions of sampled voltage and exports the real-time sampled voltage of industrial-frequency alternating current, current measurement circuit is connected to detect respectively with two measuring junctions of sampling electric current and exports the real-time sampling electric current of industrial-frequency alternating current, microprocessor respectively with tension measuring circuit and current measurement circuit, based on the real-time sampled voltage of industrial-frequency alternating current and the real-time sampling electric current of industrial-frequency alternating current, determine and export wattful power and the wattless power of industrial-frequency alternating current,
Xegregating unit, between electric energy detection equipment and AVR32 chip, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, avoids mutual interference;
AC/DC power unit, comprises transformer step-down circuit, full bridge rectifier, filtering circuit and voltage stabilizing circuit, is connected with the zero line of industrial-frequency alternating current and live wire, for the industrial-frequency alternating current of 220V is converted to the direct current of 5V or 3.3V;
ZIGBEE communication interface, is connected with AVR32 chip, for receiving and send wattful power and wattless power to neighbouring radio meter register equipment;
The erasable storer AT24C16B of the erasable serial of serial, has 10,000 erasable circulations, is connected with AVR32 chip, for receiving wattful power and the wattless power of industrial-frequency alternating current;
Image capture device, is arranged on electric energy off-balancesheet frame, shooting direction towards between elevator, for taking image between high definition elevator;
Complexity test set, is connected with image capture device, for receiving image between high definition elevator, and calculates and output image complexity based on image between high definition elevator;
Gray scale converting apparatus, it is connected with image capture device, for receiving image between high definition elevator, for each pixel in image between high definition elevator, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component give different weighted values to carry out weighted mean, to obtain corresponding gray-scale value, the gray-scale value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11;
Image filter apparatus, it is connected with complexity test set and gray scale converting apparatus respectively, for the filtering strategy determining to select based on image complexity, when image complexity is below default complexity scope lower limit, select gaussian filtering strategy that gray level image is carried out filtering, when image complexity is more than the default complexity scope upper limit, select mean filter strategy that gray level image is carried out filtering, when image complexity is within default complexity scope, in selection, gray level image is carried out filtering by value filtering strategy;
The overall situation two value equipment, it is connected with complexity test set and image filter apparatus respectively, for determining the determination strategy of overall situation binary-state threshold based on image complexity, after determining overall situation binary-state threshold, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, make pixel value only 0 or 255 these the two kinds selections of the binary image after processing, wherein determine that the determination strategy of overall situation binary-state threshold specifically comprises based on image complexity: when image complexity is below default complexity scope lower limit, Two-peak method is adopted to determine overall situation binary-state threshold, when image complexity is more than the default complexity scope upper limit, maximum variance between clusters is adopted to determine overall situation binary-state threshold, when image complexity is within default complexity scope, mean value method is adopted to determine overall situation binary-state threshold,
Image correcting device, with overall two value equipment connections to receive binary image, for binary image carries out rotation correction process, redundancy cutting process and image normalization process successively, to obtain correcting image;
Person recognition equipment, it is connected to receive image and binary image between high definition elevator respectively with image capture device and image correcting device, for identifying the human target of binary image based on default benchmark character contour, and it is partitioned into corresponding human target image in the position at binary image place from image between high definition elevator based on human target;
Personage's occurrence number test set, storer AT24C16B erasable with person recognition equipment and serial is connected, receive personage's target image, undertaken each existing human target image in erasable with serial for the human target in the human target image received storer AT24C16B mating to determine whether first time occurs human target, it fails to match is then defined as first time appearance, then being stored in the erasable storer AT24C16B of serial using human target image corresponding for human target as new existing human target image and marking corresponding occurrence number is 1, the match is successful is then defined as not being occur first time, then occurrence number corresponding for the existing human target image matched in erasable for serial storer AT24C16B is increased by 1, the occurrence number of existing human target image corresponding for human target is also exported by personage's occurrence number test set as personage's occurrence number,
Personage's trajectory analysis equipment, with person recognition equipment connection to receive personage's target image, for the action of the human target in human target image being mated based on default suspicious figure's action norm, if the match is successful, output trajectory can suspect signal, if it fails to match, output trajectory normal signal;
AVR32 chip, by isolation circuit and electric energy detection equipment connection, for receiving wattful power and the wattless power of industrial-frequency alternating current; AVR32 chip also respectively with personage's occurrence number test set and personage's trajectory analysis equipment connection, when personage's occurrence number be less than or equal to preset times threshold value and receive track can suspect signal time, there is suspect's signal in output, when personage's occurrence number is greater than preset times threshold value or receives track normal signal, export and there is not suspect's signal.
3. as claimed in claim 2 based on the electric energy table of image procossing, it is characterised in that, also comprise:
Mobile communication interface, is connected with AVR32 chip.
4. as claimed in claim 3 based on the electric energy table of image procossing, it is characterised in that:
Mobile communication interface is used for there is suspect's signal and be sent to by two-way wireless communication link the management of public safety center of far-end.
5. as claimed in claim 3 based on the electric energy table of image procossing, it is characterised in that:
Mobile communication interface is used for being sent to the wattful power of industrial-frequency alternating current and wattless power the center of checking meter of far-end.
6. as claimed in claim 2 based on the electric energy table of image procossing, it is characterised in that:
The erasable storer AT24C16B of serial is also for storing default time.
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