CN105866529A - Method for using automatic electric meter - Google Patents

Abstract

The invention relates to a method for using an automatic electric meter. The method includes the following steps: (1) providing an automatic electric meter which is arranged inside an elevator hoistway and includes an electric energy measuring subsystem and an elevator hoistway people statistics subsystem, the electric energy measuring subsystem being used for detecting and outputting an output electric energy of power frequency alternating current, the elevator hoistway people statistics system being used for conducting statistics on the number of people who pass the current elevator hoistway every day, the number of people who pass every day serving as data basis for control the docking of an elevator; (2) using the electric meter.

Description

A kind of using method of automatization kilowatt-hour meter

Technical field

The present invention relates to elevator management field, particularly relate to the user of a kind of automatization kilowatt-hour meter Method.

Background technology

In prior art, pedestrian's quantity that each floor does not carry elevator is added up Floor pedestrian's quantity statistics equipment, and such floor pedestrian's quantity statistics equipment need put Putting in the escalator of each floor, be i.e. placed on each floor waits the public of elevator In place, and the device space that can be provided by the escalator of each floor is limited, building simultaneously The electronic equipment of some necessity of space has already taken up some spaces of escalator, if floor row People's quantity statistics equipment, with the form design of specific installation and placement, will occupy substantial amounts of public sky Between so that the most limited escalator space is more awkward, to trip and the use of resident Bring inconvenience.

Meanwhile, in the escalator of each floor, kilowatt-hour meter is the electronic equipment that resident is necessary, But its measurement structure redundancy of kilowatt-hour meter of the prior art is too high, to ac power supply line The measurement of parameters is not accurate enough, still has and optimizes and progressive space.

Accordingly, it would be desirable to a kind of automatization kilowatt-hour meter, it is possible in kilowatt-hour meter inner space, accommodate building Layer pedestrian's quantity statistics equipment to place floor every day pedestrian quantity add up, from And the leisure dock floor of the elevator of correspondence is determined based on pedestrian's quantity and the place floor number of plies, While saving escalator space, extend the miscellaneous function of kilowatt-hour meter, simultaneously, additionally it is possible to right Kilowatt-hour meter self structure is recombinated and optimizes, and improves its detection to ac power supply line parameter Performance.

Summary of the invention

In order to solve the problems referred to above, the invention provides the using method of a kind of automatization kilowatt-hour meter, The method includes: 1) providing a kind of automatization kilowatt-hour meter, kilowatt-hour meter is positioned at escalator, institute State kilowatt-hour meter and include electric energy measurement subsystem and escalator demographics subsystem, electric energy measurement System is for detecting and export the output electric energy of industrial-frequency alternating current, escalator demographics subsystem For adding up every day of the current escalator at kilowatt-hour meter place through number, every day is through remarkable The data basis that number controls for elevator parking；2) this kilowatt-hour meter is used.

More specifically, in described automatization kilowatt-hour meter, including: image capture device, arrange On the housing of kilowatt-hour meter, for shooting to obtain to the current escalator at kilowatt-hour meter place High definition escalator image, the filming frequency of image capture device be every five seconds for example clock once；Complexity Detection equipment, is connected with image capture device, is used for receiving high definition escalator image, and based on High definition escalator image calculates and exports image complexity；Gray scale converting apparatus, with image acquisition Equipment connects, and is used for receiving high definition escalator image, each in high definition escalator image Individual pixel, extracts its R, G, B tri-Color Channel component, to R, G, B tri-colors lead to It is average to be weighted that road component gives different weighted values, to obtain corresponding gray value, institute Gray level image is formed, wherein R, G, B tri-Color Channel component by the gray value of pixel Weighted value be respectively 0.3,0.59 and 0.11；Image filtering equipment, examines with complexity respectively Measurement equipment and gray scale converting apparatus connect, for determining the filtering plan of selection based on image complexity Slightly, when image complexity is below default complexity range lower limit, select gaussian filtering strategy Gray level image is filtered, when image complexity is more than default complexity range limit, Mean filter strategy is selected gray level image to be filtered, when image complexity is in default complexity Time within degree scope, select medium filtering strategy that gray level image is filtered；Overall situation two-value Change equipment, is connected with complexity detection equipment and image filtering equipment, respectively for based on image Complexity determines the determination strategy of overall situation binary-state threshold, after determining overall situation binary-state threshold, Use overall situation binary-state threshold that gray level image is carried out binary conversion treatment so that two after process The pixel value of value image only has 0 or 255 these two kinds selections, wherein true based on image complexity The determination strategy of fixed overall situation binary-state threshold specifically includes: when image complexity is in default complexity Time below range lower limit, Two-peak method is used to determine overall situation binary-state threshold, when image complexity exists When presetting more than complexity range limit, maximum variance between clusters is used to determine overall situation binaryzation threshold Value, when image complexity is within default complexity scope, uses mean value method to determine the overall situation Binary-state threshold；Image correcting device, is connected to receive binary picture with overall situation binarizing apparatus Picture, for carrying out rotation correction process, redundancy cutting process and image successively to binary image Normalized, to obtain correction chart picture；Person recognition equipment, respectively with image capture device Connect to receive high definition escalator image and binary image with image correcting device, for based on The benchmark character contour preset identifies one or more human target of binary image, determines The human target quantity of binary image；People-counting equipment, built-in timer and statistic unit, Statistic unit is connected respectively with person recognition equipment and timer, is used for adding up current escalator every The number of person of one day process；Calibrating resistance, is a slide rheostat, and resistance value is 2M Ω, One fixing end is connected with the zero line of industrial-frequency alternating current, and one end of sliding end and the second resistance connects； Second resistance, resistance value is 1M Ω, and one end of the other end and the first resistance connects, meanwhile, The other end is as a measurement end output of sampled voltage；First resistance, resistance value is 1.5K Ω, The other end is connected with the live wire of industrial-frequency alternating current；First electric capacity, capacitance is 220pf, one end It is connected with the other end of the second resistance, other end ground connection；3rd resistance, resistance value is 470 Ω, One end is connected with the live wire of industrial-frequency alternating current, and the other end is defeated as another measurement end of sampled voltage Go out；Second electric capacity, capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, separately One end ground connection；3rd electric capacity, capacitance is 0.018uf, one end and the other end of the second resistance Connecting, the other end of the other end and the 3rd resistance connects；4th resistance, resistance value is 0.6m Ω, is inserted on the live wire of industrial-frequency alternating current, i.e. two ends are all connected with the live wire of industrial-frequency alternating current； 5th resistance, resistance value is 470 Ω, and one end is connected with one end of the 4th resistance, and the other end is made A measurement end output for sample rate current；6th resistance, resistance value is 470 Ω, with the 4th electricity The other end of resistance connects, and the other end is as another measurement end output of sample rate current；4th electric capacity, Capacitance is 220pf, and one end is connected with the other end of the 5th resistance, other end ground connection；5th Electric capacity, capacitance is 220pf, and one end is connected with the other end of the 6th resistance, other end ground connection； 6th electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 5th resistance, another End is connected with the other end of the 6th resistance；Capacity voltage dropping circuit, with the zero line of industrial-frequency alternating current and Live wire connects, and for industrial-frequency alternating current is changed into 5V low-voltage DC, examines for use as electric energy The power supply of measurement equipment；Electric energy detection equipment, including tension measuring circuit, current measurement circuit and Micro-Freescale IMX6 processor, tension measuring circuit divides with two measurement ends of sampled voltage Do not connect with detection and export the real-time sampling voltage of industrial-frequency alternating current, current measurement circuit with adopt Two measurement ends of sample electric current connect to detect and export the real-time sampling of industrial-frequency alternating current respectively Electric current, micro-Freescale IMX6 processor respectively with tension measuring circuit and current measurement circuit, Real-time sampling voltage based on industrial-frequency alternating current and the real-time sampling electric current of industrial-frequency alternating current, determine And export active power and the reactive power of industrial-frequency alternating current；Xegregating unit, is positioned at electric energy detection Between equipment and Freescale IMX6 processor, use photoelectric coupling circuit, be used for realizing mould Intend the isolation of circuit part and digital circuits section, it is to avoid interfere；AC/DC power supply sets Standby, including transformer step-down circuit, full bridge rectifier, filter circuit and mu balanced circuit, with The zero line of industrial-frequency alternating current and live wire connect, for the industrial-frequency alternating current of 220V is converted to 5V Or the unidirectional current of 3.3V；Freescale IMX6 processor, is examined with electric energy by isolation circuit Measurement equipment connects, for receiving active power and the reactive power of industrial-frequency alternating current；Freescale IMX6 processor is also connected with people-counting equipment, for obtaining current elevator when every day zero Between the previous day process number of person, the number of plies based on current escalator place floor determines currently The elevator parking weighted value of escalator place floor, by the personage of current escalator process the previous day The elevator parking weighted value of quantity and current escalator place floor is sent to elevator controlling center, So that the number of person of elevator controlling center escalator based on all floors process the previous day The dock floor of the elevator spare time on the same day is determined with the elevator parking weighted value of all floors The number of plies；Wherein, each floor has an escalator, for waiting for corresponding floor resident Parking space is provided during elevator；Serial erasable memory AT24C16B, with Freescale IMX6 processor connects, for receiving active power and the reactive power of industrial-frequency alternating current, also For storing weighted value synopsis, weighted value synopsis saves the number of plies of each floor with every Corresponding relation between the elevator parking weighted value of one floor；Tdd communication apparatus, with Freescale IMX6 processor connects, and is used for before current escalator by wireless communication link The number of person of one day process and the elevator parking weighted value of current escalator place floor send To elevator controlling center；ZIGBEE communication interface, is connected with Freescale IMX6 processor, For receiving and sending active power and reactive power to neighbouring radio meter register equipment.

More specifically, in described automatization kilowatt-hour meter: serial erasable memory AT24C16B has 10,000 erasable circulations.

More specifically, in described automatization kilowatt-hour meter: serial erasable memory The capacity of AT24C16B is 10M byte.

More specifically, in described automatization kilowatt-hour meter: tdd communication apparatus and ZIGBEE communication interface is all disposed within the housing of kilowatt-hour meter.

More specifically, in described automatization kilowatt-hour meter: use Freescale IMX6 processor Internal memory replaces serial erasable memory AT24C16B.

Accompanying drawing explanation

Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:

Fig. 1 is the block diagram according to the automatization's kilowatt-hour meter shown in embodiment of the present invention.

Reference: 1 electric energy measurement subsystem；2 escalator demographics subsystems

Detailed description of the invention

Below with reference to accompanying drawings the embodiment of automatization's kilowatt-hour meter of the present invention is carried out in detail Explanation.

Currently, in terms of elevator management, for elevator spare time stop the stair number of plies control and Speech, lacks special bottom data testing mechanism and control mode, meanwhile, even if constructing this The electronic equipment of sample, if each layer is installed such electronic equipment, will excessively employ originally The public space of limited escalator, makes troubles to resident living.

Meanwhile, kilowatt-hour meter is the common electronics equipment of escalator, but kilowatt-hour meter of the prior art Structure is the most single, and function is the most complete, and detection efficiency is low, needs its structure carries out weight New design, removes structural redundancy, improves accuracy of detection and the work efficiency of equipment.

In order to overcome above-mentioned deficiency, the present invention has built a kind of automatization kilowatt-hour meter, utilizes existing Escalator kilowatt-hour meter and to its transform, improve its service behaviour, meanwhile, design a set of building Layer pedestrian's quantity statistics equipment carries out accurate statistics to the number taking elevator, and by each building Floor pedestrian's quantity statistics equipment of layer is placed in the kilowatt-hour meter of the escalator in corresponding floor, Thus save the common equipment space of escalator, improve the space availability ratio of escalator.

Fig. 1 is the block diagram according to the automatization's kilowatt-hour meter shown in embodiment of the present invention, Kilowatt-hour meter is positioned at escalator, and described kilowatt-hour meter includes electric energy measurement subsystem and escalator number Statistics sub system, electric energy measurement subsystem is used for detecting and exporting the output electric energy of industrial-frequency alternating current, Escalator demographics subsystem is for adding up every day of the current escalator at kilowatt-hour meter place Through number, the data basis that every day controls for elevator parking through number.

Then, continue the concrete structure of automatization's kilowatt-hour meter of the present invention is carried out further Bright.

Described kilowatt-hour meter includes: image capture device, is arranged on the housing of kilowatt-hour meter, is used for Shooting to obtain high definition escalator image to the current escalator at kilowatt-hour meter place, image is adopted Integrate the filming frequency of equipment as every five seconds for example clock once；Complexity detection equipment, sets with image acquisition Standby connection, is used for receiving high definition escalator image, and calculates and defeated based on high definition escalator image Go out image complexity.

Described kilowatt-hour meter includes: gray scale converting apparatus, is connected with image capture device, is used for connecing Receive high definition escalator image, for each pixel in high definition escalator image, extract it R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component give different Weighted value is average to be weighted, to obtain corresponding gray value, the gray value of all pixels Composition gray level image, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3, 0.59 and 0.11.

Described kilowatt-hour meter includes: image filtering equipment, respectively with complexity detection equipment and gray scale Converting apparatus connects, for determining the filtering strategies of selection based on image complexity, when image is multiple When miscellaneous degree is below default complexity range lower limit, select gaussian filtering strategy to gray level image It is filtered, when image complexity is more than default complexity range limit, selects average filter Gray level image is filtered by ripple strategy, when image complexity is within default complexity scope Time, select medium filtering strategy that gray level image is filtered.

Described kilowatt-hour meter includes: overall situation binarizing apparatus, respectively with complexity detection equipment and figure As filter apparatus connects, for determining the determination plan of overall situation binary-state threshold based on image complexity Slightly, after determining overall situation binary-state threshold, use overall situation binary-state threshold by gray level image Carry out binary conversion treatment so that the pixel value of the binary image after process only have 0 or 255 this Based on image complexity, two kinds of selections, wherein determine that the determination strategy of overall situation binary-state threshold is concrete Including: when image complexity is below default complexity range lower limit, use Two-peak method to determine Overall situation binary-state threshold, when image complexity is more than default complexity range limit, uses Maximum variance between clusters determines overall situation binary-state threshold, when image complexity is at default complexity model Time within enclosing, mean value method is used to determine overall situation binary-state threshold.

Described kilowatt-hour meter includes: image correcting device, is connected to receive with overall situation binarizing apparatus Binary image, for carrying out successively at rotation correction process, redundancy cutting binary image Reason and image normalization process, to obtain correction chart picture；Person recognition equipment, respectively with image Collecting device and image correcting device connect to receive high definition escalator image and binary image, For identifying one or more personages of binary image based on default benchmark character contour Target, determines the human target quantity of binary image.

Described kilowatt-hour meter includes: people-counting equipment, built-in timer and statistic unit, statistics Unit is connected respectively with person recognition equipment and timer, is used for adding up current escalator every day The number of person of process.

Described kilowatt-hour meter includes: calibrating resistance, is a slide rheostat, and resistance value is 2M Ω, One fixing end is connected with the zero line of industrial-frequency alternating current, and one end of sliding end and the second resistance connects； Second resistance, resistance value is 1M Ω, and one end of the other end and the first resistance connects, meanwhile, The other end is as a measurement end output of sampled voltage；First resistance, resistance value is 1.5K Ω, The other end is connected with the live wire of industrial-frequency alternating current；First electric capacity, capacitance is 220pf, one end It is connected with the other end of the second resistance, other end ground connection；3rd resistance, resistance value is 470 Ω, One end is connected with the live wire of industrial-frequency alternating current, and the other end is defeated as another measurement end of sampled voltage Go out.

Described kilowatt-hour meter includes: the second electric capacity, and capacitance is 220pf, one end and the 3rd resistance The other end connect, other end ground connection；3rd electric capacity, capacitance is 0.018uf, one end with The other end of the second resistance connects, and the other end of the other end and the 3rd resistance connects；4th resistance, Resistance value is 0.6m Ω, is inserted on the live wire of industrial-frequency alternating current, i.e. two ends are all handed over power frequency The live wire of stream electricity connects；5th resistance, resistance value is 470 Ω, one end and the one of the 4th resistance End connects, and the other end is as a measurement end output of sample rate current；6th resistance, resistance value is 470 Ω, are connected with the other end of the 4th resistance, and the other end is as another measurement of sample rate current End output.

Described kilowatt-hour meter includes: the 4th electric capacity, and capacitance is 220pf, one end and the 5th resistance The other end connect, other end ground connection；5th electric capacity, capacitance is 220pf, one end and the The other end of six resistance connects, other end ground connection；6th electric capacity, capacitance is 0.018uf, One end is connected with the other end of the 5th resistance, and the other end of the other end and the 6th resistance connects；Electricity Hold reduction voltage circuit, be connected with zero line and the live wire of industrial-frequency alternating current, for industrial-frequency alternating current is turned Become 5V low-voltage DC, for use as the power supply of electric energy detection equipment.

Described kilowatt-hour meter includes: electric energy detection equipment, including tension measuring circuit, current measurement Two surveys of circuit and micro-Freescale IMX6 processor, tension measuring circuit and sampled voltage Amount end connects to detect and export the real-time sampling voltage of industrial-frequency alternating current respectively, current measurement electricity Road is connected to detect and export the reality of industrial-frequency alternating current with two measurement ends of sample rate current respectively Time sample rate current, micro-Freescale IMX6 processor is surveyed with tension measuring circuit and electric current respectively Amount circuit, the real-time sampling electricity of real-time sampling voltage based on industrial-frequency alternating current and industrial-frequency alternating current Stream, determines and exports active power and the reactive power of industrial-frequency alternating current.

Described kilowatt-hour meter includes: xegregating unit, is positioned at electric energy detection equipment and Freescale IMX6 Between processor, use photoelectric coupling circuit, be used for realizing artificial circuit part and digital circuit The isolation of part, it is to avoid interfere；AC/DC power-supply device, including transformer pressure-reducing electricity Road, full bridge rectifier, filter circuit and mu balanced circuit, with zero line and the fire of industrial-frequency alternating current Line connects, for the industrial-frequency alternating current of 220V is converted to the unidirectional current of 5V or 3.3V.

Described kilowatt-hour meter includes: Freescale IMX6 processor, by isolation circuit and electric energy Detection equipment connects, for receiving active power and the reactive power of industrial-frequency alternating current；Fly to think card You are also connected with people-counting equipment by IMX6 processor, for obtaining current electricity when every day zero Between ladder the previous day process number of person, the number of plies based on current escalator place floor determine work as The elevator parking weighted value of front escalator place floor, by the people of current escalator process the previous day The elevator parking weighted value of thing quantity and current escalator place floor is sent in elevator controlling The heart, in order to personage's number of elevator controlling center escalator based on all floors process the previous day The elevator parking weighted value of amount and all floors determines the dock floor of the elevator spare time on the same day The number of plies.

Wherein, each floor has an escalator, for waiting electricity for corresponding floor resident Parking space is provided during ladder.

Described kilowatt-hour meter includes: serial erasable memory AT24C16B, with Freescale IMX6 processor connects, for receiving active power and the reactive power of industrial-frequency alternating current, also For storing weighted value synopsis, weighted value synopsis saves the number of plies of each floor with every Corresponding relation between the elevator parking weighted value of one floor.

Described kilowatt-hour meter includes: tdd communication apparatus, with Freescale IMX6 processor Connect, for by wireless communication link by the number of person of current escalator process the previous day and The elevator parking weighted value of current escalator place floor is sent to elevator controlling center； ZIGBEE communication interface, is connected with Freescale IMX6 processor, for receiving and to attached Near radio meter register equipment sends active power and reactive power.

Alternatively, in described kilowatt-hour meter: serial erasable memory AT24C16B has 1 Ten thousand erasable circulations；The capacity of serial erasable memory AT24C16B is 10M byte； Tdd communication apparatus and ZIGBEE communication interface are all disposed within the housing of kilowatt-hour meter；With And Freescale IMX6 processor internal memory can be used to replace the erasable storage of serial Device AT24C16B.

It addition, from the point of view of the technical Analysis of kilowatt-hour meter, current power industry electric energy measurement instrument Major programme is typically all and realizes accurate measurement purpose based on semiconductor technology.Kilowatt-hour meter is general All have employed high-precision A/D converter, the voltage of electrical network, current signal are sampled And analog digital conversion, then utilize high speed microprocessor digital signal to be analyzed, processes sum According to reprocessing, sorting, thus produce various continuous data；Finally utilize various communication interface, Man machine interface realizes docking with various equipment.

Kilowatt-hour meter is the product that Sampling techniques, microprocessing, designing technique and experience combine, It it is high-tech product interdisciplinary.Understanding that kilowatt-hour meter manufacturer designs according to self and application skill Ingeniously, it is achieved the various functions of kilowatt-hour meter.On kilowatt-hour meter product, had been provided with at present multi-functional, Networking, intellectuality, digitized demand, it is possible to meet the requirement of current various metering, as Meritorious metering, reactive measurement, requirement calculate, and power grid quality detection, grid event record etc. are multiple Miscellaneous function, and data interaction can be carried out as communication slave station with control main website of central authorities.

Power information acquisition system product technology is in sustainable development and lifting process, and product is wanted Summation product function continue to optimize, be continuously increased, with adapt to the highest information system management want Ask.Combine in product technology current ripe ammeter measuring function, Techniques in Electromagnetic Measurement, DSP data processing technique, industry automatic control technology, wireless remote transmission technology, low-voltage power Line carrier communication technology, embedded real-time operating system software platform technologies；It is interdisciplinary, high The systemic product of technology, belongs to emerging product.

Use automatization's kilowatt-hour meter of the present invention, be difficult in limited space control for prior art The elevator leisure processed waits floor and the highest technical problem of kilowatt-hour meter detection efficiency, on the one hand, Introduce image detecting technique each floor is added up through pedestrian's quantity of elevator, set up and close The elevator leisure of reason waits floor decision-making mechanism, on the other hand, by the system integration at escalator In kilowatt-hour meter, the most also transform the structure of kilowatt-hour meter, improve it and ac power supply line is joined The detection accuracy of number.

It is it is understood that although the present invention discloses as above with preferred embodiment, but above-mentioned Embodiment is not limited to the present invention.For any those of ordinary skill in the art, Without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above Technical solution of the present invention is made many possible variations and modification, or is revised as equivalent variations Equivalent embodiments.Therefore, every content without departing from technical solution of the present invention, according to the present invention Technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all Still fall within the range of technical solution of the present invention protection.

Claims (6)

1. a using method for automatization's kilowatt-hour meter, the method includes:

1) providing a kind of automatization kilowatt-hour meter, kilowatt-hour meter is positioned at escalator, described kilowatt-hour meter Including electric energy measurement subsystem and escalator demographics subsystem, electric energy measurement subsystem is used for Detecting and export the output electric energy of industrial-frequency alternating current, escalator demographics subsystem is used for adding up Every day of the current escalator at kilowatt-hour meter place is used for electricity through number, every day through number The data basis controlled stopped by ladder；

2) this kilowatt-hour meter is used.

2. the method for claim 1, it is characterised in that described kilowatt-hour meter includes:

Image capture device, is arranged on the housing of kilowatt-hour meter, for working as kilowatt-hour meter place Front escalator carries out shooting to obtain high definition escalator image, the filming frequency of image capture device For every five seconds for example clock once；

Complexity detection equipment, is connected with image capture device, is used for receiving high definition escalator figure Picture, and calculate based on high definition escalator image and export image complexity；

Gray scale converting apparatus, is connected with image capture device, is used for receiving high definition escalator image, For each pixel in high definition escalator image, extract its R, G, B tri-colors logical Road component, to R, G, B tri-Color Channel component give different weighted value to be weighted Averagely, to obtain corresponding gray value, the gray 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 filtering equipment, is connected with complexity detection equipment and gray scale converting apparatus respectively, uses In determining the filtering strategies of selection based on image complexity, when image complexity is in default complexity Time below range lower limit, select gaussian filtering strategy that gray level image is filtered, work as image When complexity is more than default complexity range limit, select mean filter strategy to gray processing figure As being filtered, when image complexity is within default complexity scope, select medium filtering Gray level image is filtered by strategy；

Overall situation binarizing apparatus, is connected with complexity detection equipment and image filtering equipment respectively, For determining the determination strategy of overall situation binary-state threshold based on image complexity, determining the overall situation two After value threshold value, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, The pixel value making the binary image after processing only has 0 or 255 these two kinds selections, Qi Zhongji Determine that in image complexity the determination strategy of overall situation binary-state threshold specifically includes: when image is complicated When degree is below default complexity range lower limit, Two-peak method is used to determine overall situation binary-state threshold, When image complexity is more than default complexity range limit, use maximum variance between clusters true Fixed overall situation binary-state threshold, when image complexity is within default complexity scope, uses flat Averaging method determines overall situation binary-state threshold；

Image correcting device, is connected to receive binary image with overall situation binarizing apparatus, is used for Binary image is carried out successively at rotation correction process, redundancy cutting process and image normalization Reason, to obtain correction chart picture；

Person recognition equipment, is connected with image capture device and image correcting device to receive respectively High definition escalator image and binary image, for identifying based on default benchmark character contour One or more human target of binary image, determine the human target quantity of binary image；

People-counting equipment, built-in timer and statistic unit, statistic unit sets with person recognition Standby and timer connects respectively, for adding up the number of person of current escalator process every day；

Calibrating resistance, is a slide rheostat, and resistance value is 2M Ω, a fixing end and work Frequently the zero line of alternating current connects, and one end of sliding end and the second resistance connects；

Second resistance, resistance value is 1M Ω, and one end of the other end and the first resistance connects, with Time, the other end is as a measurement end output of sampled voltage；

First resistance, resistance value is 1.5K Ω, 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 second resistance, separately One end ground connection；

3rd resistance, resistance value is 470 Ω, and one end is connected with the live wire of industrial-frequency alternating current, separately One end is as another measurement end output of sampled voltage；

Second electric capacity, capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, separately One end ground connection；

3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the second resistance, The other end of the other end and the 3rd resistance connects；

4th resistance, resistance value is 0.6m Ω, is inserted on the live wire of industrial-frequency alternating current, i.e. Two ends are all connected with the live wire of industrial-frequency alternating current；

5th resistance, resistance value is 470 Ω, and one end is connected with one end of the 4th resistance, another Hold the measurement end output as sample rate current；

6th resistance, resistance value is 470 Ω, is connected with the other end of the 4th resistance, the other end Another as sample rate current measures end output；

4th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 5th resistance, separately One end ground connection；

5th electric capacity, capacitance is 220pf, and one end is connected with the other end of the 6th resistance, separately One end ground connection；

6th electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the 5th resistance, The other end of the other end and the 6th resistance connects；

Capacity voltage dropping circuit, is connected with zero line and the live wire of industrial-frequency alternating current, for power frequency being handed over Stream electricity is changed into 5V low-voltage DC, for use as the power supply of electric energy detection equipment；

Electric energy detection equipment, including tension measuring circuit, current measurement circuit and micro-Freescale IMX6 processor, tension measuring circuit is connected with two measurement ends of sampled voltage respectively with inspection Survey and export the real-time sampling voltage of industrial-frequency alternating current, current measurement circuit and the two of sample rate current Individual measurement end connects to detect and export the real-time sampling electric current of industrial-frequency alternating current respectively, and micro-flying is thought Karr IMX6 processor respectively with tension measuring circuit and current measurement circuit, based on power frequency hand over The real-time sampling voltage of stream electricity and the real-time sampling electric current of industrial-frequency alternating current, determine and export power frequency The active power of alternating current and reactive power；

Xegregating unit, between electric energy detection equipment and Freescale IMX6 processor, adopts With photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, keep away Exempt to interfere；

AC/DC power-supply device, including transformer step-down circuit, full bridge rectifier, filtering Circuit and mu balanced circuit, be connected with zero line and the live wire of industrial-frequency alternating current, for by 220V's Industrial-frequency alternating current is converted to the unidirectional current of 5V or 3.3V；

Freescale IMX6 processor, is connected with electric energy detection equipment by isolation circuit, uses In the active power and the reactive power that receive industrial-frequency alternating current；Freescale IMX6 processor is also It is connected with people-counting equipment, for obtaining current escalator process the previous day when every day zero Number of person, the number of plies based on current escalator place floor determines current escalator place floor Elevator parking weighted value, by number of person and the current elevator of current escalator process the previous day Between the elevator parking weighted value of place floor be sent to elevator controlling center, in order to elevator controlling The number of person of center escalator based on all floors process the previous day and the electricity of all floors Ladder stop weighted value determines the number of plies of the dock floor of the elevator spare time on the same day；Wherein, each Individual floor has an escalator, provides and stop sky during for waiting elevator for corresponding floor resident Between；

Serial erasable memory AT24C16B, is connected with Freescale IMX6 processor, For receiving active power and the reactive power of industrial-frequency alternating current, it is additionally operable to store weighted value comparison Table, weighted value synopsis saves the number of plies of each floor and the elevator parking of each floor Corresponding relation between weighted value；

Tdd communication apparatus, is connected with Freescale IMX6 processor, for by nothing Line communication link is by the number of person of current escalator process the previous day and current escalator place The elevator parking weighted value of floor is sent to elevator controlling center；

ZIGBEE communication interface, is connected with Freescale IMX6 processor, for receiving also Active power and reactive power is sent to neighbouring radio meter register equipment.

3. method as claimed in claim 2, it is characterised in that:

Serial erasable memory AT24C16B has 10,000 erasable circulations.

4. method as claimed in claim 2, it is characterised in that:

The capacity of serial erasable memory AT24C16B is 10M byte.

5. method as claimed in claim 2, it is characterised in that:

Tdd communication apparatus and ZIGBEE communication interface are all disposed within the housing of kilowatt-hour meter On.

6. the method as described in claim 2-5 is arbitrary, it is characterised in that:

Freescale IMX6 processor internal memory is used to replace serial erasable memory AT24C16B。