CN205608086U - Double mode gas meter - Google Patents

Abstract

The utility model relates to a double mode gas meter, including freescale IMX6 treater, AD73360 chip, EEPROM memory chip, GPRS communication interface, display interface and personage's feature detection equipment, the freescale IMX6 treater is connected with AD73360 chip, EEPROM memory chip, GPRS communication interface, display interface and personage's feature detection equipment respectively for realize two kinds of mode of power detection and the suspicious degree analysis of stairwell personage. Through the utility model discloses, the application functions of gas meter can be expanded, the space that stairwell equipment occupied is reduced.

Description

Double mode energy meter

Technical field

This utility model relates to energy meter field, particularly relates to a kind of double mode energy meter.

Background technology

Energy meter is the product that Sampling techniques, microprocessing, designing technique and experience combine, It it is high-tech product interdisciplinary.Understanding that energy meter manufacturer designs according to self and applicating skill, Realize the various functions of energy meter.On energy meter product, had been provided with at present multi-functional, networking, Demand intelligent, digitized, it is possible to meet the requirement of current various metering, as meritorious metering, Reactive measurement, requirement calculate, the sophisticated functions such as power grid quality detection, grid event record, and Main website can be controlled as communication slave station with central authorities and carry out data interaction.

But, the design of energy meter of the prior art still has certain limitation, due to energy meter It is generally placed at public space, but does not carry the miscellaneous function equipment shape to public space Condition is monitored or realizes other functions, and energy meter is confined to the parameter measurement of power circuit, i.e. Making so, the structure of energy meter of the prior art still has the space optimizing and transforming, existing skill The detection efficiency of the energy meter in art is the highest, and accuracy of detection still has much room for improvement.

Therefore, this utility model has built a kind of new energy meter, utilizes occupied by existing energy meter The human target of staircase is detected by staircase public space in real time, to determine whether there is A bad actor also decides whether to trigger corresponding warning, contacts the police responding with the very first time, effectively The personal safety of protection building resident and property safety, meanwhile, optimize the interior of existing energy meter Portion's structure, improves the energy meter inspection accuracy to electrical energy parameter.

Utility model content

In order to solve the problems referred to above, this utility model provides a kind of double mode energy meter, and transformation is existing There is the energy meter in building staircase in technology, introduce personage's occurrence number detection equipment and clothing inspection Measurement equipment carries out number of times detection and apparel characteristic analysis to the personage of process, as the personage received When occurrence number is less than or equal to preset times threshold value and receives clothing questionable signal, send existence A bad actor's signal, when the personage's occurrence number received more than preset times threshold value and receives During clothing normal signal, send the most dangerous molecular signal, more it is essential that improve fire The electrical energy parameter measurement mechanism of table, improves the service behaviour of energy meter.

According to one side of the present utility model, it is provided that a kind of double mode energy meter, described energy meter bag Include Freescale IMX6 processor, AD73360 chip, EEPROM storage chip, GPRS Communication interface, display interface and character features detection equipment, Freescale IMX6 processor divides Do not connect with AD73360 chip, EEPROM storage chip, GPRS communication interface, display Mouth and character features detection equipment connect, and are used for realizing electric energy detection and the suspicious journey of staircase personage Degree analyzes two kinds of mode of operations.

More specifically, in described double mode energy meter, including: current transformer and sample circuit, It is connected with the A phase line in alternating current circuit, B phase line and C phase line, for A phase Current signal in circuit, B phase line and C phase line is sampled respectively；Voltage sampling electricity Road, is connected with the A phase line in alternating current circuit, B phase line and C phase line, for A Voltage signal in phase line, B phase line and C phase line is sampled respectively；Current signal Modulate circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal Conditioning；Voltage signal conditioning circuit, is connected with voltage sample circuit, for entering sampling voltage Row signal condition；AD73360 chip, respectively with current signal conditioning circuit and voltage signal Modulate circuit connects, and performs the sampling voltage after the sampling current after conditioning and conditioning respectively 16 A/D conversion, it is thus achieved that digital current signal and digital voltage signal, also by serial outside If interface SPI and Freescale IMX6 processor carry out data communication；EEPROM stores Chip, carries out bi-directional data by serial peripheral equipment interface SPI and Freescale IMX6 processor Exchange；System power supply power module, with the A phase line in alternating current circuit, B phase line and C Phase line connects, and is used for performing alternating current to galvanic conversion, provides for each electronic device Direct current power is supplied；GPRS communication interface, is connected with Freescale IMX6 processor, uses In the active power and the reactive power that receive also output AC circuit；Display interface, blocks with flying think of You connect by IMX6 processor, for receiving and showing the active power of alternating current circuit and idle merit Rate；Electric line carrier communication equipment, is connected, including carrier wave with Freescale IMX6 processor Receive circuit and carrier wave transtation mission circuit, carrier wave receive circuit by couple circuit, band filter and AFE (analog front end) forms, and carrier wave transtation mission circuit is by signal coupling circuit, tuned power amplifier and expansion Frequency modulation input interface forms；CMOS vision sensor, is arranged on the housing of energy meter, High-definition image shooting is carried out, to obtain and to export high definition staircase image towards staircase；Complicated Degree detection equipment, is connected with CMOS vision sensor, is used for receiving high definition staircase image, And calculate based on high definition staircase image and export image complexity；Gray scale converting apparatus, with CMOS vision sensor connects, and is used for receiving high definition staircase image, for high definition staircase Each pixel in image, extracts its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted value average to be weighted, right to obtain The gray value answered, gray value composition gray level image, wherein R, G, B of all pixels The weighted value of three Color Channel components is respectively 0.3,0.59 and 0.11；Image filtering equipment, It is connected with complexity detection equipment and gray scale converting apparatus respectively, for true based on image complexity The fixed filtering strategies selected, when image complexity is below default complexity range lower limit, choosing Select gaussian filtering strategy gray level image is filtered, when image complexity is in default complexity Time more than range limit, select mean filter strategy that gray level image is filtered, work as image When complexity is within default complexity scope, select medium filtering strategy that gray level image is entered Row filtering；Overall situation binarizing apparatus, connects with complexity detection equipment and image filtering equipment respectively Connect, for determining the determination strategy of overall situation binary-state threshold based on image complexity, complete determining After office's binary-state threshold, overall situation binary-state threshold is used to be carried out at binaryzation by gray level image Reason so that the pixel value of the binary image after process only has 0 or 255 these two kinds selections, its In based on image complexity determine the overall situation binary-state threshold determination strategy specifically include: work as image When complexity is below default complexity range lower limit, Two-peak method is used to determine overall situation binaryzation threshold Value, when image complexity is more than default complexity range limit, uses maximum between-cluster variance Method determines overall situation binary-state threshold, when image complexity is within default complexity scope, adopts Overall situation binary-state threshold is determined with mean value method；Image correcting device, with overall situation binarizing apparatus Connect to receive binary image, be used for binary image carried out successively rotation correction process, Redundancy cutting process and image normalization process, to obtain correction chart picture；Person recognition equipment, It is connected with CMOS vision sensor and image correcting device respectively to receive high definition staircase figure Picture and binary image, for identifying binary image based on default benchmark character contour Human target, and based on human target position at binary image from high definition staircase image Place is partitioned into the human target image of correspondence；Personage's occurrence number detection equipment, with person recognition Equipment and EEPROM storage chip connect, and receive personage's target image, the people that will receive Human target in thing target image and each existing human target in EEPROM storage chip Image carries out mating determining that human target occurs the most for the first time, and it fails to match is then defined as the Once occur, then using human target image corresponding for human target as new existing human target In image stores EEPROM storage chip and occurrence number corresponding to labelling is 1, coupling Successful then be defined as not being to occur for the first time, then will match in EEPROM storage chip The occurrence number that existing human target image is corresponding increases by 1；Personage's occurrence number detection equipment is also Using the occurrence number of existing human target image corresponding for human target as personage's occurrence number Output；Clothing detection equipment, is connected with person recognition equipment to receive personage's target image, uses In wearing the clothing to the human target in human target image clothes based on default various suspicious figures And mate, if the match is successful, output clothing questionable signal, if it fails to match, defeated Go out to wear normal signal clothes；Freescale IMX6 processor, respectively with AD73360 chip, EEPROM storage chip, GPRS communication interface and display interface connect, and are used for receiving Digital current signal and numeral that AD73360 chip is exported by serial peripheral equipment interface SPI are electric Pressure signal, determines the effective of digital current signal based on digital current signal and digital voltage signal Value, the virtual value of digital voltage signal and the active power of alternating current circuit and reactive power；Fly Think karr IMX6 processor to set with personage's occurrence number detection equipment and clothing detection the most respectively Standby connection, when the personage's occurrence number received less than or equal to preset times threshold value and receives clothing When questionable signal, send dangerous molecular signal, when the personage's occurrence number received is big In preset times threshold value and receive clothing normal signal time, send the most dangerous molecular signal； Wherein, electric line carrier communication equipment is also connected with Freescale IMX6 processor, and being used for will A bad actor's signal is sent to the public security management control centre of far-end.

More specifically, in described double mode energy meter: Freescale IMX6 processor with AD73360 chip, EEPROM storage chip and display interface are integrated in one block of integrated electricity On the plate of road.

More specifically, in described double mode energy meter: Freescale IMX6 processor is set In energy meter housing.

More specifically, in described double mode energy meter: personage's occurrence number detection equipment and clothing Detection equipment is respectively adopted the CPLD chip of different model and realizes.

More specifically, in described double mode energy meter: personage's occurrence number detection equipment and clothing Detection equipment is all arranged in energy meter housing.

More specifically, in described double mode energy meter: EEPROM storage chip is additionally operable to deposit Storage preset times threshold value.

Accompanying drawing explanation

Below with reference to accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the structure square frame according to the double mode energy meter shown in this utility model embodiment Figure.

Reference: 1 Freescale IMX6 processor；2AD73360 chip；3 EEPROM storage chip；4GPRS communication interface；5 display interfaces；6 character features inspections Measurement equipment

Detailed description of the invention

Below with reference to accompanying drawings the embodiment of double mode energy meter of the present utility model is carried out in detail Describe in detail bright.

Energy meter of the prior art develops to intelligent direction, such as, provide remote meter reading interface etc., But from the point of view of typically, there is following defect in energy meter of the prior art: the certainty of measurement of (1) energy meter Still have much room for improvement；(2) function singleness of energy meter, still is limited to the operation of the detection to power circuit, Do not make full use of the public space of the public space shared by energy meter, such as staircase.

In order to overcome above-mentioned deficiency, this utility model has built a kind of double mode energy meter, is exclusively used in Staircase, on the one hand, improve self detection efficiency and accuracy of detection, on the other hand, it is possible to Occurrence number and apparel characteristic to each human target of staircase judge, to determine are No triggering a bad actor reports to the police operation, thus for the inhabitation offer safety guarantee of building resident.

Fig. 1 is the structure square frame according to the double mode energy meter shown in this utility model embodiment Figure, described energy meter includes Freescale IMX6 processor, AD73360 chip, EEPROM Storage chip, GPRS communication interface, display interface and character features detection equipment, fly to think card Your IMX6 processor respectively with AD73360 chip, EEPROM storage chip, GPRS Communication interface, display interface and character features detection equipment connect, be used for realizing electric energy detection and Two kinds of mode of operations of the suspicious degree analyzing of staircase personage.

Then, continue the concrete structure of double mode energy meter of the present utility model is carried out further Explanation.

Described energy meter includes: the A phase in current transformer and sample circuit, with alternating current circuit Circuit, B phase line and C phase line connect, for A phase line, B phase line and C Current signal in phase line is sampled respectively；In voltage sample circuit, with alternating current circuit A phase line, B phase line and C phase line connect, for A phase line, B phase line It is sampled respectively with the voltage signal in C phase line；Current signal conditioning circuit, with electricity Current transformer and sample circuit connect, for sampling current is carried out signal condition.

Described energy meter includes: voltage signal conditioning circuit, is connected with voltage sample circuit, is used for Sampling voltage is carried out signal condition；AD73360 chip, respectively with current signal conditioning electricity Road and voltage signal conditioning circuit connect, to the sampling electricity after the sampling current after conditioning and conditioning Pressure performs 16 A/D conversions respectively, it is thus achieved that digital current signal and digital voltage signal, also Data communication is carried out by serial peripheral equipment interface SPI and Freescale IMX6 processor.

Described energy meter includes: EEPROM storage chip, by serial peripheral equipment interface SPI with Freescale IMX6 processor carries out bidirectional data exchange；System power supply power module, with friendship A phase line, B phase line and C phase line in Flow Line connect, and are used for performing alternating current To galvanic conversion, provide direct current power supply for each electronic device；GPRS communication connects Mouthful, it is connected with Freescale IMX6 processor, for gaining merit of reception also output AC circuit Power and reactive power；Display interface, is connected with Freescale IMX6 processor, is used for connecing Receive and show active power and the reactive power of alternating current circuit.

Described energy meter includes: electric line carrier communication equipment, with Freescale IMX6 processor Connect, receive circuit and carrier wave transtation mission circuit including carrier wave, carrier wave receive circuit by couple circuit, Band filter and AFE (analog front end) composition, carrier wave transtation mission circuit is by signal coupling circuit, resonance merit Rate amplifier and modulated spread spectrum signal input interface composition；CMOS vision sensor, is arranged on On the housing of energy meter, carry out high-definition image shooting towards staircase, to obtain and to export high definition building Image between ladder.

Described energy meter includes: complexity detection equipment, is connected with CMOS vision sensor, For receiving high definition staircase image, and it is multiple to calculate and export image based on high definition staircase image Miscellaneous degree；Gray scale converting apparatus, is connected with CMOS vision sensor, is used for receiving high definition building Image between ladder, for each pixel in high definition staircase image, extract its R, G, B tri-Color Channel component, the weighted value different to R, G, B tri-Color Channel component impartings Average to be weighted, to obtain corresponding gray value, the gray value composition ash of all pixels Degreeization image, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 With 0.11.

Described energy meter includes: image filtering equipment, turns with complexity detection equipment and gray scale respectively Change equipment connects, for determining the filtering strategies of selection based on image complexity, when image is complicated When degree is below default complexity range lower limit, select gaussian filtering strategy that gray level image is entered Row filtering, when image complexity is more than default complexity range limit, selects mean filter Gray level image is filtered by strategy, when image complexity is within default complexity scope, Select medium filtering strategy that gray level image is filtered.

Described energy meter includes: overall situation binarizing apparatus, respectively with complexity detection equipment and image Filter apparatus connects, for determining the determination strategy of overall situation binary-state threshold based on image complexity, After determining overall situation binary-state threshold, overall situation binary-state threshold is used to be carried out by gray level image Binary conversion treatment so that the pixel value of the binary image after process only has 0 or 255 these two kinds Select, wherein determine that the determination strategy of overall situation binary-state threshold specifically includes based on image complexity: When image complexity is below default complexity range lower limit, Two-peak method is used to determine the overall situation two Value threshold value, when image complexity is more than default complexity range limit, uses maximum kind Between variance method determine the overall situation binary-state threshold, when image complexity is within default complexity scope Time, use mean value method to determine overall situation binary-state threshold.

Described energy meter includes: image correcting device, is connected to receive two with overall situation binarizing apparatus Value image, for binary image carries out rotation correction process successively, redundancy cutting processes Process with image normalization, to obtain correction chart picture；Person recognition equipment, respectively with CMOS Vision sensor and image correcting device connect to receive high definition staircase image and binary picture Picture, for identifying the human target of binary image based on default benchmark character contour, and It is right to be partitioned at high definition staircase image based on human target position at binary image The human target image answered.

Described energy meter includes: personage's occurrence number detection equipment, with person recognition equipment and EEPROM storage chip connects, and receives personage's target image, the human target that will receive Human target in image enters with each existing human target image in EEPROM storage chip Row coupling is to determine that human target occurs the most for the first time, and it fails to match is then defined as going out for the first time Existing, then human target image corresponding for human target is deposited as new existing human target image Storing up the occurrence number that in EEPROM storage chip, also labelling is corresponding is 1, and the match is successful then It is defined as not being to occur for the first time, then the existing people that will match in EEPROM storage chip The occurrence number that thing target image is corresponding increases by 1；Personage's occurrence number detection equipment is also by personage The occurrence number of the existing human target image that target is corresponding exports as personage's occurrence number.

Described energy meter includes: clothing detection equipment, is connected to receive personage with person recognition equipment Target image, for wearing clothes the people in human target image based on default various suspicious figures The clothing of thing target mates, if the match is successful, and output clothing questionable signal, if Join failure and then export clothing normal signal.

Described energy meter includes: Freescale IMX6 processor, respectively with AD73360 chip, EEPROM storage chip, GPRS communication interface and display interface connect, and are used for receiving Digital current signal and numeral that AD73360 chip is exported by serial peripheral equipment interface SPI are electric Pressure signal, determines the effective of digital current signal based on digital current signal and digital voltage signal Value, the virtual value of digital voltage signal and the active power of alternating current circuit and reactive power.

Described energy meter includes: Freescale IMX6 processor is examined with personage's occurrence number the most respectively Measurement equipment and clothing detection equipment connect, when the personage's occurrence number received is less than or equal to presetting Frequency threshold value and receive clothing questionable signal time, send dangerous molecular signal, work as reception To personage's occurrence number more than preset times threshold value and receive clothing normal signal time, send The most dangerous molecular signal.

Wherein, electric line carrier communication equipment is also connected with Freescale IMX6 processor, uses In the public security management control centre that a bad actor's signal is sent to far-end.

Alternatively, in described double mode energy meter: Freescale IMX6 processor with AD73360 chip, EEPROM storage chip and display interface are integrated in one block of integrated electricity On the plate of road；Freescale IMX6 processor is arranged in energy meter housing；Personage's occurrence number Detection equipment and clothing detection equipment are respectively adopted the CPLD chip of different model；Personage occurs Number of times detection equipment and clothing detection equipment are all arranged in energy meter housing；And EEPROM storage chip can be also used for storing preset times threshold value.

It addition, analog-digital converter i.e. A/D converter, or it is called for short ADC, it is common that refer to one It is the electronic component of digital signal by analog-signal transitions.Common analog-digital converter is by one Input voltage signal is converted to the digital signal of an output.Owing to digital signal itself does not has Practical significance, is merely representative of a relative size.Therefore any one analog-digital converter is required for one Individual reference analog quantity is the convertible of maximum as the standard of conversion, relatively common reference standard Signal magnitude.The digital quantity exported then represents the input signal size relative to reference signal.

The resolution of analog-digital converter refers to, for the analogue signal in allowed band, It can export the number of discrete digital signal value.These signal values generally store with binary number, Therefore the conventional bit of resolution warp is as unit, and the number of these centrifugal pumps is the power exponent of 2. Such as, analogue signal can be encoded into by an analog-digital converter with 8 bit resolutions 256 different centrifugal pumps (because 2^8=256), from 0 to 255 (i.e. signless integers) Or from-128 to 127 (i.e. signed integer), any as using, then depend on concrete Application.

Use double mode energy meter of the present utility model, stair cannot be made full use of for prior art Between the technical problem of the device space that occupies of energy meter, by improveing the structure of staircase energy meter, first First, occurrence number based on passing personage and apparel characteristic combine the identity judging passing personage, To decide whether to trigger operation of reporting to the police, secondly, the measurement mechanism to existing power measuring devices It is optimized, improves the certainty of measurement to parameters of electric power.

It is understood that although this utility model discloses as above with preferred embodiment, but Above-described embodiment is not limited to this utility model.It is familiar with those skilled in the art for any For Yuan, without departing under technical solutions of the utility model ambit, all may utilize above-mentioned taking off Technical solutions of the utility model are made many possible variations and modification by the technology contents shown, or It is revised as the Equivalent embodiments of equivalent variations.Therefore, every without departing from this utility model technical side The content of case, according to technical spirit of the present utility model to made for any of the above embodiments any simply Amendment, equivalent variations and modification, all still fall within the range of technical solutions of the utility model protection.

Claims (1)

1. a double mode energy meter, it is characterized in that, described energy meter includes Freescale IMX6 processor, AD73360 chip, EEPROM storage chip, GPRS communication interface, display interface and character features detection equipment, Freescale IMX6 processor is connected with AD73360 chip, EEPROM storage chip, GPRS communication interface, display interface and character features detection equipment respectively, is used for realizing electric energy detection and two kinds of mode of operations of the suspicious degree analyzing of staircase personage.