CN105692379A - Automatic watt hour meter - Google Patents
Automatic watt hour meter Download PDFInfo
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- CN105692379A CN105692379A CN201610184827.1A CN201610184827A CN105692379A CN 105692379 A CN105692379 A CN 105692379A CN 201610184827 A CN201610184827 A CN 201610184827A CN 105692379 A CN105692379 A CN 105692379A
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- escalator
- hour meter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
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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
- G01R11/48—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy
- G01R11/54—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy for measuring simultaneously at least two of the following three variables: real component, reactive component, apparent energy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M11/00—Counting of objects distributed at random, e.g. on a surface
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/53—Recognition of crowd images, e.g. recognition of crowd congestion
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention relates to an automatic watt hour meter. The watt hour meter is located in an elevator room; the watt hour meter comprises an electric energy measurement sub system and an elevator room people counting sub system; the electric energy measurement sub system is used for detecting and outputting the output electric energy of the power frequency alternating current electricity; the elevator room people counting sub system is used for counting people passing by the current elevator room in which the watt hour meter is located every day; and the number of the people passing by the elevator room every day is used as a data basis for elevator stop control. Through the automatic watt hour meter, the measurement precision of the watt hour meter is improved; meanwhile, the equipment and space of the watt hour meter can be fully utilized; and an elevator stop control strategy which is suitable for resident travel can be flexibly made.
Description
Technical field
The present invention relates to elevator management field, particularly relate to a kind of automatization kilowatt-hour meter。
Background technology
In prior art, each floor is not carried floor pedestrian's quantity statistics equipment that pedestrian's quantity of elevator is added up, and such floor pedestrian's quantity statistics equipment needs to be placed in the escalator of each floor, namely it is placed in the public place waiting elevator of each floor, and the device space that can be provided by the escalator of each floor is limited, the electronic equipment of some necessity of building has already taken up some spaces of escalator simultaneously, if floor pedestrian's quantity statistics equipment is with the form design of specific installation and placement, substantial amounts of public space will be occupied, make originally limited escalator space more awkward, inconvenience is brought to the trip of resident and use。
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, and the measurement of the parameters of ac power supply line is not accurate enough, still has and optimizes and progressive space。
Therefore, need a kind of automatization kilowatt-hour meter, can hold in kilowatt-hour meter inner space floor pedestrian's quantity statistics equipment to place floor every day pedestrian quantity add up, thus determine the leisure dock floor of the elevator of correspondence 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, kilowatt-hour meter self structure can also be recombinated and optimize, improve its detection performance to ac power supply line parameter。
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of automatization kilowatt-hour meter, the measurement performance of kilowatt-hour meter can be improved, simultaneously, floor pedestrian's quantity statistics equipment can be held, measure process the previous day number of person and and the elevator parking weighted value of current escalator place floor send jointly to elevator controlling center, in order to the number of plies of the dock floor of the elevator spare time on the same day is determined at elevator controlling center based on the number of person of escalator process the previous day of all floors and the elevator parking weighted value of all floors。
According to an aspect of the present invention, provide a kind of automatization kilowatt-hour meter, kilowatt-hour meter is positioned at escalator, described kilowatt-hour meter includes electric energy measurement subsystem and escalator demographics subsystem, electric energy measurement subsystem is for detecting and export the output electric energy of industrial-frequency alternating current, escalator demographics subsystem is used for the every day adding up the current escalator at kilowatt-hour meter place through number, the data basis that every day controls for elevator parking through number。
More specifically, in described automatization kilowatt-hour meter, including: image capture device, it is arranged on the housing of kilowatt-hour meter, for shooting to obtain high definition escalator image to the current escalator at kilowatt-hour meter place, the filming frequency of image capture device be every 5 seconds once;Complexity detection equipment, is connected with image capture device, is used for receiving high definition escalator image, and calculates based on high definition escalator image and export image complexity;Gray scale converting apparatus, it is connected with image capture device, for receiving high definition escalator image, for each pixel in high definition escalator image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain the gray value of correspondence, the gray value composition gray level image of all pixels, wherein R, G, B tri-weighted value respectively 0.3,0.59 and 0.11 of Color Channel component;Image filtering equipment, detect equipment with complexity respectively and gray scale converting apparatus is connected, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered;Overall situation binarizing apparatus, detect equipment with complexity respectively and image filtering equipment is connected, 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, the pixel value making the binary image after processing only has 0 or 255 these two kinds selections, 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 adopted to determine overall situation binary-state threshold, when image complexity is more than default complexity range 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, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image is sequentially carried out rotation correction process, redundancy cutting process and image normalization, to obtain correction chart picture;Person recognition equipment, it is connected with image capture device and image correcting device to receive high definition escalator image and binary image respectively, for identifying one or more human target of binary image based on default benchmark character contour, it is determined that 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, 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, and a 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, and meanwhile, the other end measures end output as the one 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, other end ground connection;3rd resistance, resistance value is 470 Ω, and one end is connected with the live wire of industrial-frequency alternating current, and the other 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, other end ground connection;3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the second resistance, 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, and namely 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 measures end output as the one of sample rate current;6th resistance, resistance value is 470 Ω, is connected with the other end of the 4th resistance, 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, and the other end of the other end and the 6th resistance connects;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, 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 detection the real-time sampling voltage exporting industrial-frequency alternating current with two measurement ends of sampled voltage respectively, current measurement circuit is connected with detection the real-time sampling electric current exporting industrial-frequency alternating current with two measurement ends of sample rate current respectively, micro-Freescale IMX6 processor respectively with tension measuring circuit and current measurement circuit, real-time sampling electric current based on the real-time sampling voltage of industrial-frequency alternating current and industrial-frequency alternating current, determine and export active power and the reactive power of industrial-frequency alternating current;Xegregating unit, between electric energy detection equipment and Freescale IMX6 processor, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, it is to avoid interfere;AC/DC power-supply device, including transformer step-down circuit, full bridge rectifier, filter circuit and mu balanced 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 unidirectional current of 5V or 3.3V;Freescale IMX6 processor, is connected with electric energy detection equipment by isolating circuit, 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 the number of person of current escalator process the previous day when every day zero, the elevator parking weighted value of current escalator place floor is determined based on the number of plies of current escalator place floor, the elevator parking weighted value of the number of person of current escalator process the previous day and current escalator place floor is sent to elevator controlling center, so that the number of plies of the dock floor of the elevator spare time on the same day is determined at elevator controlling center based on the number of person of escalator process the previous day of all floors and the elevator parking weighted value of all floors;Wherein, each floor has an escalator, provides parking space during for waiting elevator for corresponding floor resident;Serial erasable memory AT24C16B, it is connected with Freescale IMX6 processor, for receiving active power and the reactive power of industrial-frequency alternating current, being additionally operable to storage weighted value synopsis, weighted value synopsis saves the corresponding relation between the number of plies of each floor and the elevator parking weighted value of each floor;Tdd communication apparatus, is connected with Freescale IMX6 processor, for being sent to elevator controlling center by the elevator parking weighted value of the wireless communication link number of person by current escalator process the previous day and current escalator place floor;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: the capacity of serial erasable memory AT24C16B is 10M byte。
More specifically, in described automatization kilowatt-hour meter: tdd communication apparatus and ZIGBEE communication interface are all disposed within the housing of kilowatt-hour meter。
More specifically, in described automatization kilowatt-hour meter: adopt Freescale IMX6 processor internal memory to replace 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 of the automatization's kilowatt-hour meter illustrated according to an embodiment of the present invention。
Accompanying drawing labelling: 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 described in detail。
Currently, in elevator management, the control of the stair number of plies is stopped for elevator spare time, lack special bottom data testing mechanism and control mode, meanwhile, even if constructing such electronic equipment, if each layer is installed such electronic equipment, by excessively employing the public space of originally limited escalator, make troubles to resident living。
Meanwhile, kilowatt-hour meter is the common electronics equipment of escalator, but kilowatt-hour meter structure of the prior art is excessively single, and function is complete not, and detection efficiency is low, it is necessary to its structure is redesigned, and 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, utilize the kilowatt-hour meter of existing escalator and to its transformation, improve its service behaviour, meanwhile, design a set of floor pedestrian's quantity statistics equipment and the number taking elevator is carried out accurate statistics, and in the kilowatt-hour meter of escalator floor pedestrian's quantity statistics equipment of each floor being placed in corresponding floor, thus saving the common equipment space of escalator, improve the space availability ratio of escalator。
Fig. 1 is the block diagram of the automatization's kilowatt-hour meter illustrated according to an embodiment of the present invention, kilowatt-hour meter is positioned at escalator, described kilowatt-hour meter includes electric energy measurement subsystem and escalator demographics subsystem, electric energy measurement subsystem is for detecting and export the output electric energy of industrial-frequency alternating current, escalator demographics subsystem is used for the every day adding up 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 further detailed。
Described kilowatt-hour meter includes: image capture device, is arranged on the housing of kilowatt-hour meter, for shooting to obtain high definition escalator image to the current escalator at kilowatt-hour meter place, the filming frequency of image capture device be every 5 seconds once;Complexity detection equipment, is connected with image capture device, is used for receiving high definition escalator image, and calculates based on high definition escalator image and export image complexity。
Described kilowatt-hour meter includes: gray scale converting apparatus, it is connected with image capture device, for receiving high definition escalator image, for each pixel in high definition escalator image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain the gray value of correspondence, the gray value composition gray level image of all pixels, wherein R, G, B tri-weighted value respectively 0.3,0.59 and 0.11 of Color Channel component。
Described kilowatt-hour meter includes: image filtering equipment, detect equipment with complexity respectively and gray scale converting apparatus is connected, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered。
Described kilowatt-hour meter includes: overall situation binarizing apparatus, detect equipment with complexity respectively and image filtering equipment is connected, 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, the pixel value making the binary image after processing only has 0 or 255 these two kinds selections, 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 adopted to determine overall situation binary-state threshold, when image complexity is more than default complexity range 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 kilowatt-hour meter includes: image correcting device, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image is sequentially carried out rotation correction process, redundancy cutting process and image normalization, to obtain correction chart picture;Person recognition equipment, it is connected with image capture device and image correcting device to receive high definition escalator image and binary image respectively, for identifying one or more human target of binary image based on default benchmark character contour, it is determined that the human target quantity of binary image。
Described kilowatt-hour meter includes: people-counting equipment, built-in timer and statistic unit, and statistic unit is connected respectively with person recognition equipment and timer, for adding up the number of person of current escalator process every day。
Described kilowatt-hour meter includes: calibrating resistance, is a slide rheostat, and resistance value is 2M Ω, and a 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, and meanwhile, the other end measures end output as the one 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, other end ground connection;3rd resistance, resistance value is 470 Ω, and one end is connected with the live wire of industrial-frequency alternating current, and the other end is as another measurement end output of sampled voltage。
Described kilowatt-hour meter includes: the second electric capacity, and capacitance is 220pf, and one end is connected with the other end of the 3rd resistance, other end ground connection;3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the second resistance, 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, and namely 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 measures end output as the one of sample rate current;6th resistance, resistance value is 470 Ω, is connected with the other end of the 4th resistance, and the other end is as another measurement end output of sample rate current。
Described kilowatt-hour meter includes: the 4th electric capacity, and 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, and the other end of the other end and the 6th resistance connects;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, 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 circuit and micro-Freescale IMX6 processor, tension measuring circuit is connected with detection the real-time sampling voltage exporting industrial-frequency alternating current with two measurement ends of sampled voltage respectively, current measurement circuit is connected with detection the real-time sampling electric current exporting industrial-frequency alternating current with two measurement ends of sample rate current respectively, micro-Freescale IMX6 processor respectively with tension measuring circuit and current measurement circuit, real-time sampling electric current based on the real-time sampling voltage of industrial-frequency alternating current and industrial-frequency alternating current, determine and export active power and the reactive power of industrial-frequency alternating current。
Described kilowatt-hour meter includes: xegregating unit, between electric energy detection equipment and Freescale IMX6 processor, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, it is to avoid interfere;AC/DC power-supply device, including transformer step-down circuit, full bridge rectifier, filter circuit and mu balanced 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 unidirectional current of 5V or 3.3V。
Described kilowatt-hour meter includes: Freescale IMX6 processor, is connected with electric energy detection equipment by isolating circuit, 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 the number of person of current escalator process the previous day when every day zero, the elevator parking weighted value of current escalator place floor is determined based on the number of plies of current escalator place floor, the elevator parking weighted value of the number of person of current escalator process the previous day and current escalator place floor is sent to elevator controlling center, so that the number of plies of the dock floor of the elevator spare time on the same day is determined at elevator controlling center based on the number of person of escalator process the previous day of all floors and the elevator parking weighted value of all floors。
Wherein, each floor has an escalator, provides parking space during for waiting elevator for corresponding floor resident。
Described kilowatt-hour meter includes: serial erasable memory AT24C16B, it is connected with Freescale IMX6 processor, for receiving active power and the reactive power of industrial-frequency alternating current, being additionally operable to storage weighted value synopsis, weighted value synopsis saves the corresponding relation between the number of plies of each floor and the elevator parking weighted value of each floor。
Described kilowatt-hour meter includes: tdd communication apparatus, it is connected with Freescale IMX6 processor, for being sent to elevator controlling center by the elevator parking weighted value of the wireless communication link number of person by current escalator process the previous day and current escalator place floor;ZIGBEE communication interface, is connected with Freescale IMX6 processor, for receiving and sending active power and reactive power to neighbouring radio meter register equipment。
Alternatively, in described kilowatt-hour meter: serial erasable memory AT24C16B has 10,000 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;And Freescale IMX6 processor internal memory can be adopted to replace serial erasable memory AT24C16B。
It addition, from the technical Analysis of kilowatt-hour meter, the major programme of current power industry electric energy measurement instrument is typically all based semiconductor technology and realizes accurate measurement purpose。Kilowatt-hour meter is generally individually have employed high-precision A/D converter, undertaken sampling and analog digital conversion by the voltage of electrical network, current signal, then utilizing high speed microprocessor that digital signal is analyzed, processing and data reprocessing, sorting, thus producing various continuous data;Various communication interface, man machine interface is finally utilized to realize docking with various equipment。
Kilowatt-hour meter is the product that Sampling techniques, microprocessing, designing technique and experience combine, and is high-tech product interdisciplinary。Kilowatt-hour meter manufacturer is according to the understanding self designed and applicating skill, it is achieved the various functions of kilowatt-hour meter。On kilowatt-hour meter product, multi-functional, networking, intellectuality, digitized demand are had been provided with at present, disclosure satisfy that 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 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 requirement and product function are continued to optimize, are continuously increased, to adapt to increasingly higher information system management requirement。Product technology combines 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 mechanics of communication, embedded real-time operating system software platform technologies;It is systemic product interdisciplinary, high-tech, belongs to emerging product。
Adopt automatization's kilowatt-hour meter of the present invention, it is difficult to wait floor and the not high technical problem of kilowatt-hour meter detection efficiency in limited spatial control elevator leisure for prior art, on the one hand, introduce image detecting technique each floor is added up through pedestrian's quantity of elevator, set up wait of rational elevator leisure floor decision-making mechanism, on the other hand, by the system integration in the kilowatt-hour meter of escalator, also transform the structure of kilowatt-hour meter simultaneously, improve its detection accuracy to ac power supply line parameter。
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described 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 and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations。Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection。
Claims (6)
1. automatization's kilowatt-hour meter, kilowatt-hour meter is positioned at escalator, described kilowatt-hour meter includes electric energy measurement subsystem and escalator demographics subsystem, electric energy measurement subsystem is for detecting and export the output electric energy of industrial-frequency alternating current, escalator demographics subsystem is used for the every day adding up the current escalator at kilowatt-hour meter place through number, the data basis that every day controls for elevator parking through number。
2. automatization as claimed in claim 1 kilowatt-hour meter, it is characterised in that described kilowatt-hour meter includes:
Image capture device, is arranged on the housing of kilowatt-hour meter, for shooting to obtain high definition escalator image to the current escalator at kilowatt-hour meter place, the filming frequency of image capture device be every 5 seconds once;
Complexity detection equipment, is connected with image capture device, is used for receiving high definition escalator image, and calculates based on high definition escalator image and export image complexity;
Gray scale converting apparatus, it is connected with image capture device, for receiving high definition escalator image, for each pixel in high definition escalator image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain the gray value of correspondence, the gray value composition gray level image of all pixels, wherein R, G, B tri-weighted value respectively 0.3,0.59 and 0.11 of Color Channel component;
Image filtering equipment, detect equipment with complexity respectively and gray scale converting apparatus is connected, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered;
Overall situation binarizing apparatus, detect equipment with complexity respectively and image filtering equipment is connected, 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, the pixel value making the binary image after processing only has 0 or 255 these two kinds selections, 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 adopted to determine overall situation binary-state threshold, when image complexity is more than default complexity range 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, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image is sequentially carried out rotation correction process, redundancy cutting process and image normalization, to obtain correction chart picture;
Person recognition equipment, it is connected with image capture device and image correcting device to receive high definition escalator image and binary image respectively, for identifying one or more human target of binary image based on default benchmark character contour, it is determined that 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, 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, and a 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, and meanwhile, the other end measures end output as the one 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, other end ground connection;
3rd resistance, resistance value is 470 Ω, and one end is connected with the live wire of industrial-frequency alternating current, and the other 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, other end ground connection;
3rd electric capacity, capacitance is 0.018uf, and one end is connected with the other end of the second resistance, 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, and namely 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 measures end output as the one of sample rate current;
6th resistance, resistance value is 470 Ω, is connected with the other end of the 4th resistance, 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, and the other end of the other end and the 6th resistance connects;
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, 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 detection the real-time sampling voltage exporting industrial-frequency alternating current with two measurement ends of sampled voltage respectively, current measurement circuit is connected with detection the real-time sampling electric current exporting industrial-frequency alternating current with two measurement ends of sample rate current respectively, micro-Freescale IMX6 processor respectively with tension measuring circuit and current measurement circuit, real-time sampling electric current based on the real-time sampling voltage of industrial-frequency alternating current and industrial-frequency alternating current, determine and export active power and the reactive power of industrial-frequency alternating current;
Xegregating unit, between electric energy detection equipment and Freescale IMX6 processor, adopts photoelectric coupling circuit, for realizing the isolation of artificial circuit part and digital circuits section, it is to avoid interfere;
AC/DC power-supply device, including transformer step-down circuit, full bridge rectifier, filter circuit and mu balanced 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 unidirectional current of 5V or 3.3V;
Freescale IMX6 processor, is connected with electric energy detection equipment by isolating circuit, 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 the number of person of current escalator process the previous day when every day zero, the elevator parking weighted value of current escalator place floor is determined based on the number of plies of current escalator place floor, the elevator parking weighted value of the number of person of current escalator process the previous day and current escalator place floor is sent to elevator controlling center, so that the number of plies of the dock floor of the elevator spare time on the same day is determined at elevator controlling center based on the number of person of escalator process the previous day of all floors and the elevator parking weighted value of all floors;Wherein, each floor has an escalator, provides parking space during for waiting elevator for corresponding floor resident;
Serial erasable memory AT24C16B, it is connected with Freescale IMX6 processor, for receiving active power and the reactive power of industrial-frequency alternating current, being additionally operable to storage weighted value synopsis, weighted value synopsis saves the corresponding relation between the number of plies of each floor and the elevator parking weighted value of each floor;
Tdd communication apparatus, is connected with Freescale IMX6 processor, for being sent to elevator controlling center by the elevator parking weighted value of the wireless communication link number of person by current escalator process the previous day and current escalator place floor;
ZIGBEE communication interface, is connected with Freescale IMX6 processor, for receiving and sending active power and reactive power to neighbouring radio meter register equipment。
3. automatization as claimed in claim 2 kilowatt-hour meter, it is characterised in that:
Serial erasable memory AT24C16B has 10,000 erasable circulations。
4. automatization as claimed in claim 2 kilowatt-hour meter, it is characterised in that:
The capacity of serial erasable memory AT24C16B is 10M byte。
5. automatization as claimed in claim 2 kilowatt-hour meter, it is characterised in that:
Tdd communication apparatus and ZIGBEE communication interface are all disposed within the housing of kilowatt-hour meter。
6. the automatization's kilowatt-hour meter as described in as arbitrary in claim 2-5, it is characterised in that:
Freescale IMX6 processor internal memory is adopted to replace serial erasable memory AT24C16B。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201610293533.2A CN105905721A (en) | 2016-03-28 | 2016-03-28 | Automated watt-hour meter |
CN201610184827.1A CN105692379A (en) | 2016-03-28 | 2016-03-28 | Automatic watt hour meter |
CN201610299328.7A CN105905722A (en) | 2016-03-28 | 2016-03-28 | Automatic watt-hour meter |
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CN201610184827.1A CN105692379A (en) | 2016-03-28 | 2016-03-28 | Automatic watt hour meter |
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CN201610299328.7A Division CN105905722A (en) | 2016-03-28 | 2016-03-28 | Automatic watt-hour meter |
CN201610293533.2A Division CN105905721A (en) | 2016-03-28 | 2016-03-28 | Automated watt-hour meter |
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CN105692379A true CN105692379A (en) | 2016-06-22 |
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CN201610299328.7A Withdrawn CN105905722A (en) | 2016-03-28 | 2016-03-28 | Automatic watt-hour meter |
CN201610293533.2A Withdrawn CN105905721A (en) | 2016-03-28 | 2016-03-28 | Automated watt-hour meter |
CN201610184827.1A Pending CN105692379A (en) | 2016-03-28 | 2016-03-28 | Automatic watt hour meter |
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CN201610299328.7A Withdrawn CN105905722A (en) | 2016-03-28 | 2016-03-28 | Automatic watt-hour meter |
CN201610293533.2A Withdrawn CN105905721A (en) | 2016-03-28 | 2016-03-28 | Automated watt-hour meter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106241538A (en) * | 2016-09-20 | 2016-12-21 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
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JPH0836012A (en) * | 1994-07-21 | 1996-02-06 | Mitsubishi Denki Bill Techno Service Kk | Device and method for detecting grounding fault |
DE102004049896A1 (en) * | 2003-10-13 | 2005-05-25 | Sematic Italia S.P.A., Osio Sotto | Method and system for detecting the contact of a person's skin with an electrically conductive surface |
CN103434904A (en) * | 2013-09-05 | 2013-12-11 | 程时言 | Elevator capable of displaying power consumption in real time and operation method thereof |
CN205397762U (en) * | 2016-03-28 | 2016-07-27 | 无锡智谷锐拓技术服务有限公司 | Automatic change kilowatt -hour meter |
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2016
- 2016-03-28 CN CN201610299328.7A patent/CN105905722A/en not_active Withdrawn
- 2016-03-28 CN CN201610293533.2A patent/CN105905721A/en not_active Withdrawn
- 2016-03-28 CN CN201610184827.1A patent/CN105692379A/en active Pending
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JPH0836012A (en) * | 1994-07-21 | 1996-02-06 | Mitsubishi Denki Bill Techno Service Kk | Device and method for detecting grounding fault |
DE102004049896A1 (en) * | 2003-10-13 | 2005-05-25 | Sematic Italia S.P.A., Osio Sotto | Method and system for detecting the contact of a person's skin with an electrically conductive surface |
CN103434904A (en) * | 2013-09-05 | 2013-12-11 | 程时言 | Elevator capable of displaying power consumption in real time and operation method thereof |
CN205397762U (en) * | 2016-03-28 | 2016-07-27 | 无锡智谷锐拓技术服务有限公司 | Automatic change kilowatt -hour meter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106241538A (en) * | 2016-09-20 | 2016-12-21 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
CN106241538B (en) * | 2016-09-20 | 2019-09-20 | 广州特种机电设备检测研究院 | A kind of elevator energy consumption on-line monitoring system based on Internet of Things |
Also Published As
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CN105905721A (en) | 2016-08-31 |
CN105905722A (en) | 2016-08-31 |
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