CN105842503A - Ammeter capable of automatically detecting damage of outer frame - Google Patents
Ammeter capable of automatically detecting damage of outer frame Download PDFInfo
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- CN105842503A CN105842503A CN201610178329.6A CN201610178329A CN105842503A CN 105842503 A CN105842503 A CN 105842503A CN 201610178329 A CN201610178329 A CN 201610178329A CN 105842503 A CN105842503 A CN 105842503A
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- 238000001514 detection method Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 21
- 239000004973 liquid crystal related substance Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 15
- 238000012937 correction Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 108091008702 infrared receptors Proteins 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010606 normalization Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000011218 segmentation Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 230000008859 change Effects 0.000 description 2
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- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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Classifications
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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
- G01R11/02—Constructional details
- G01R11/25—Arrangements for indicating or signalling faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
Abstract
The invention relates to an ammeter capable of automatically detecting damage of an outer frame. The ammeter comprises a three-phase electric metering device, an outer frame detection device and a master controller, wherein the three-phase electric metering device determines active power, reactive power and apparent power of each phase and combined phases of a three-phase power line, the outer frame detection device detects the outer frame characteristics of the ammeter, and the master controller is respectively connected with the three-phase metering device and the outer frame detection device, controls the three-phase electric metering device and determines the damage level of the outer frame of the ammeter based on the outer frame characteristics of the ammeter. Automatic detection of the damage level of the ammeter can be realized.
Description
Technical field
The present invention relates to electric energy meter field, particularly relate to the electric energy meter of the damaged detection automatically of a kind of housing.
Background technology
For civilian electric energy meter, it is typically installed at the position of every layer of staircase of residential building, uses
In the real-time power consumption at a family or many families is measured, and in the case of user prestores electricity deficiency
Report to the police in time, remind corresponding resident to be charged, to avoid situation about having a power failure to occur.
Electric energy meter in use, due to ambient pressure or uses for a long time, and its housing exists broken
The possibility damaged, once housing is damaged, then electric energy meter internal component easily comes out, to electric energy meter
The properly functioning of itself works the mischief, such as, cause internal component to damage, and certainty of measurement declines, with
Time, also easily resident gets an electric shock, and adds the insecurity that electric energy meter uses.
Accordingly, it would be desirable to during the use of electric energy meter, periodically electric energy meter is carried out equipment inspection, especially
It is the inspection of housing, in the case of finding to there is housing breakage, changes housing in time, even more
Change electric energy meter, thus avoid electric energy meter destroyed and avoid resident to get an electric shock.
But, in prior art, the equipment inspection to civilian electric energy meter is usually by electric power equipment management
Center regularly schedules staff and makes an inspection tour, and excessively relies on artificial experience, and equipment inspection is not real-time
Property, easily there is making an inspection tour interval time long and find the feelings that electric energy meter housing is damaged the most in time
Condition, it addition, the electronic equipment of the housing inspection custom-made independence if electric energy meter, for each electricity
One can be disposed by table, then occupy too much equipment public space.Meanwhile, the detection of existing electric energy meter
Precision is the highest, needs to optimize testing mechanism, improves its detection efficiency to alternating current circuit parameters.
Accordingly, it would be desirable to the electric energy meter of the damaged detection automatically of a kind of housing, it is possible to the electric energy of electric energy meter is joined
The measurement mechanism of number is optimized, and improves its accuracy of detection, simultaneously can be damaged to the housing of electric energy meter
Situation detects in real time, reports to the police in time when finding housing breakage, to avoid sending out with electrification
Raw.
Summary of the invention
In order to solve the problems referred to above, the invention provides the electric energy meter of the damaged detection automatically of a kind of housing,
Saving equipment public space, the electric energy meter at staircase use each resident in prior art is carried out
Performance optimizes, and improves its detection accuracy to electricity, also introduces targetedly, high-precision
Image detecting technique is to determine the coupling journey between electric energy meter framed picture and default gray scale benchmark housing
Degree, and determine whether that breakage signal or outer occur in output housing normal signal, housing based on matching degree
Frame badly broken signal, thus the voting plan of changing for electric administrative department provides data basis.
According to an aspect of the present invention, it is provided that the electric energy meter of the damaged detection automatically of a kind of housing, including
Three-phase electric energy metering equipment, housing detection equipment and master controller, three-phase electric energy metering equipment is for really
Determine each phase and the conjunction active power of phase, reactive power and apparent energy, housing in three-phase power circuit
Detection equipment for detecting the housing feature of described electric energy meter, master controller respectively with three-phase electric energy metering
Equipment and housing detection equipment connect, and are used for controlling three-phase electric energy metering equipment and based on described electric energy
The housing feature of table determines the housing damaged degree of described electric energy meter.
More specifically, in the electric energy meter of the damaged detection automatically of described housing, including: current sensor,
It is connected with three-phase power circuit, for the current signal in three-phase power circuit is carried out size conversion,
Export the micro-current signal less relative to the current signal in three-phase power circuit；Voltage sensor,
It is connected with three-phase power circuit, for the voltage signal in three-phase power circuit is carried out size conversion,
Export the micro voltage signal less relative to the voltage signal in three-phase power circuit；Anti-aliasing filter electricity
Road, is connected with current sensor and voltage sensor respectively, for the micro-current signal received and
Micro voltage signal carries out anti-aliasing filter process, the micro-current signal after processing with output and micro voltage letter
Number；Three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, based on the micro-electric current letter after processing
Number and micro voltage signal determine in three-phase power circuit each mutually and close the active power of phase, reactive power
And apparent energy；Rectifying installation, is connected with three-phase power circuit, for by the friendship of three-phase power circuit
Stream electric rectification is unidirectional current；Pressure stabilizing device, is connected with rectifying installation, for unidirectional current is carried out voltage stabilizing
Process；Potential device, is connected with pressure stabilizing device, for the unidirectional current after voltage stabilizing is carried out transformation process
To obtain the running voltage required for each electronic equipment, the running voltage required for each electronic equipment
Including 36V, 12V, 5V and 3.3V；Calendar clock equipment, including calendar clock chip and lithium battery,
Calendar clock chip is used for providing real time clock data, also by synchronous serial interface I2C and Ling Yang
SPCE061A chip connects, and lithium battery is connected with calendar clock chip, under powering-off state being
Calendar clock chip provides non-firm power support；Liquid crystal display, shows including a segment liquid crystal and drives
Dynamic device and LCDs, a segment liquid crystal display driver passes through synchronous serial interface I2C and Ling Yang
SPCE061A chip connects, for controlling the display content in LCDs；FLASH storage sets
Standby, carry out bidirectional data exchange by serial peripheral equipment interface SPI and Ling Yang SPCE061A chip,
FLASH storage device is additionally operable to store default gray scale benchmark housing；Integrated Communication Devices, with Ling Yang
SPCE061A chip connects, including infrared transmitter, infrared remote receiver, optocoupler, RS485
Driver and RS485 communication interface, infrared transmitter uses the modulation light of 38kHz, infrared remote receiver
Open collector mode is used to export the digital signal demodulating out from the infrared light received,
RS485 driver is connected with RS485 communication interface, and optocoupler is for by infrared transmitter and infrared
Receptor is isolated from RS485 driver and RS485 communication interface；High-definition camera, is arranged on electric energy
The top of table, the housing towards electric energy meter shoots, to obtain high definition framed picture；Complexity is examined
Measurement equipment, is connected with high-definition camera, is used for receiving high definition framed picture image, and based on high definition outside
Block diagram calculates as image and exports image complexity；Gray scale converting apparatus, is connected with high-definition camera,
For receiving high definition framed picture image, for each pixel in high definition framed picture image,
Extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component give difference
Weighted value average to be weighted, to obtain corresponding gray value, the gray value group of all pixels
Become gray level image, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59
With 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 scope
Time below lower limit, gaussian filtering strategy is selected gray level image to be filtered, when image complexity exists
When presetting more than 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 to gray level image
It is filtered；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 overall situation binaryzation
After threshold value, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment to process
After the pixel value of binary image only have 0 or 255 these two kinds selections, wherein based on image complexity
Determine that the determination strategy of overall situation binary-state threshold specifically includes: when image complexity is at default complexity model
When enclosing below lower limit, Two-peak method is used to determine overall situation binary-state threshold, when image complexity is being preset again
Time more than miscellaneous degree range limit, use maximum variance between clusters to determine overall situation binary-state threshold, work as image
When complexity is within default complexity scope, mean value method is used to determine overall situation binary-state threshold；Figure
As calibration equipment, it is connected to receive binary image with overall situation binarizing apparatus, for binary picture
Process as carrying out rotation correction process, redundancy cutting process and image normalization successively, to obtain correction
Image；Contour detecting equipment, is connected with image correcting device and gray scale converting apparatus, respectively for base
The position of electric energy meter housing in default electric energy meter housing contour detecting correction chart picture, and based on correction chart
In Xiang, the position of electric energy meter housing is partitioned into the electric energy meter framed picture of correspondence at gray level image；Insult
Sun SPCE061A chip, is connected with contour detecting equipment and FLASH storage device, is used for determining
Matching degree between electric energy meter framed picture and default gray scale benchmark housing, and true based on matching degree
Determine whether export housing normal signal, there is breakage signal in housing or housing badly broken signal；Wireless
Communication interface, is connected with Ling Yang SPCE061A chip, for housing normal signal, housing being occurred
Breakage signal or housing badly broken signal are sent to the electric power equipment management center of far-end, in order to have electricity
Power equipment management center determines the need for changing electric energy meter；Wherein, Ling Yang SPCE061A chip is also
Respectively with potential device, calendar clock equipment, liquid crystal display, FLASH storage device, integrated
Communication equipment and three-phase electric energy metering equipment connect, for realize to potential device, calendar clock equipment,
Liquid crystal display, FLASH storage device, Integrated Communication Devices and the control of three-phase electric energy metering equipment
System operation, is additionally operable at three-phase electric energy metering equipment receive in three-phase power circuit mutually and closes phase
Active power, reactive power and apparent energy；Wherein, FLASH storage device employing capacity is
The AT45DB081 chip of 1M byte.
More specifically, in the electric energy meter of the damaged detection automatically of described housing: wireless communication interface is
One in GPRS communication interface, 3G communication interface and 4G communication interface.
More specifically, in the electric energy meter of the damaged detection automatically of described housing: infrared transmitter uses
Traffic rate is 1200bps.
More specifically, in the electric energy meter of the damaged detection automatically of described housing: Ling Yang SPCE061A core
Sheet uses built-in FLASH storage device to replace FLASH storage device.
More specifically, in the electric energy meter of the damaged detection automatically of described housing: liquid crystal display is also used
In the normal signal that displays bounding box, housing, breakage signal or housing badly broken signal occur.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the structure according to the damaged electric energy meter of detection automatically of the housing shown in embodiment of the present invention
Block diagram.
Reference: 1 three-phase electric energy metering equipment；2 housing detection equipment；3 master controllers
Detailed description of the invention
Embodiment to the electric energy meter that the housing breakage of the present invention detects automatically below with reference to accompanying drawings
It is described in detail.
Electric energy meter is used to measure the instrument of electric energy, also known as kilowatt-hour meter, electric energy meter, kilowatt-hour table,
Refer to measure the instrument of various electrical quantities.
Electric energy meter is divided by purposes, can be divided into: active electric energy meter, reactive energy-meter, maximum demand
Table, standard electric energy meter, multi tariff time-sharing electric energy meter, prepayment meter (point coin-feed, magnetic card type,
Electric card type), loss electric energy meter, multifunctional electric energy meter and intelligent electric energy meter.
Electric energy meter is divided by operation principle, can be divided into: vicarious (mechanical type), state type (electricity
Minor), electromechanical (hybrid).
Electric energy meter divides by accessing phase line, can be divided into single-phase, phase three-wire three, three-phase and four-line electric energy meter.
Currently, special electric energy meter housing breakage care testing device, and existing electric energy meter are lacked
Structural redundancy too much, detection efficiency is low, simultaneously need to damaged for electric energy meter housing detection in real time set
For being integrated in electric energy meter structure, to save the most crowded common equipment space.
In order to overcome above-mentioned deficiency, the present invention has built the electric energy meter of the damaged detection automatically of a kind of housing,
The structure of electric energy meter is improved, and the housing breakage of electric energy meter can be examined in real time
Survey, thus in the case of avoiding wasting common equipment space, improve the intelligent level of electric energy meter.
Fig. 1 is the structure according to the damaged electric energy meter of detection automatically of the housing shown in embodiment of the present invention
Block diagram, including three-phase electric energy metering equipment, housing detection equipment and master controller, three-phase electric energy meter
Amount equipment is used for determining in three-phase power circuit mutually and closes the active power of phase, reactive power and regard
At power, housing detection equipment for detecting the housing feature of described electric energy meter, master controller respectively with
Three-phase electric energy metering equipment and housing detection equipment connect, be used for controlling three-phase electric energy metering equipment and
Housing feature based on described electric energy meter determines the housing damaged degree of described electric energy meter.
Then, the concrete structure continuing the damaged electric energy meter of detection automatically of the housing to the present invention enters
The explanation of one step.
Described electric energy meter includes: current sensor, is connected with three-phase power circuit, for three-phase electricity
Current signal in line of force road carries out size conversion, exports and believes relative to the electric current in three-phase power circuit
Number less micro-current signal；Voltage sensor, is connected with three-phase power circuit, for three-phase electricity
Voltage signal in line of force road carries out size conversion, exports and believes relative to the voltage in three-phase power circuit
Number less micro voltage signal；Anti-aliasing Filter Circuits, respectively with current sensor and voltage sensor
Connect, for the micro-current signal received and micro voltage signal are carried out anti-aliasing filter process, with
Micro-current signal after output process and micro voltage signal.
Described electric energy meter includes: three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, based on
Micro-current signal after process and micro voltage signal determine in three-phase power circuit each mutually and close phase
Active power, reactive power and apparent energy；Rectifying installation, is connected with three-phase power circuit, is used for
It is unidirectional current by the AC rectification of three-phase power circuit；Pressure stabilizing device, is connected with rectifying installation, uses
In unidirectional current is carried out voltage stabilizing process；Potential device, is connected with pressure stabilizing device, after to voltage stabilizing
Unidirectional current carries out transformation and processes to obtain the running voltage required for each electronic equipment, and each electronics sets
Standby required running voltage includes 36V, 12V, 5V and 3.3V.
Described electric energy meter includes: calendar clock equipment, including calendar clock chip and lithium battery, calendar
Clock chip is used for providing real time clock data, also by synchronous serial interface I2C and Ling Yang
SPCE061A chip connects, and lithium battery is connected with calendar clock chip, under powering-off state being
Calendar clock chip provides non-firm power support；Liquid crystal display, shows including a segment liquid crystal and drives
Dynamic device and LCDs, a segment liquid crystal display driver passes through synchronous serial interface I2C and Ling Yang
SPCE061A chip connects, for controlling the display content in LCDs；FLASH storage sets
Standby, carry out bidirectional data exchange by serial peripheral equipment interface SPI and Ling Yang SPCE061A chip,
FLASH storage device is additionally operable to store default gray scale benchmark housing.
Described electric energy meter includes: Integrated Communication Devices, is connected with Ling Yang SPCE061A chip, including
Infrared transmitter, infrared remote receiver, optocoupler, RS485 driver and RS485 communication interface,
Infrared transmitter use 38kHz modulation light, infrared remote receiver use open collector mode export from
The digital signal demodulating out in the infrared light received, RS485 driver and RS485 communication interface
Connect, optocoupler for infrared transmitter and infrared remote receiver be isolated from RS485 driver and
RS485 communication interface.
Described electric energy meter includes: high-definition camera, is arranged on the top of electric energy meter, towards electric energy meter
Housing shoots, to obtain high definition framed picture；Complexity detection equipment, with high-definition camera even
Connect, be used for receiving high definition framed picture image, and calculate based on high definition framed picture image and export figure
As complexity；Gray scale converting apparatus, is connected with high-definition camera, is used for receiving high definition framed picture figure
Picture, for each pixel in high definition framed picture image, extracts its R, G, B tri-color
Channel components, to R, G, B tri-Color Channel component give different weighted value to be weighted putting down
All, 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.
Described electric energy meter includes: image filtering equipment, converts with complexity detection equipment and gray scale respectively
Equipment connects, for determining the filtering strategies of selection based on image complexity, when image complexity is in advance
If time below complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when
When image 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 strategy
Gray level image is filtered.
Described electric energy meter includes: overall situation binarizing apparatus, respectively with complexity detection equipment and image filter
Wave device connects, for determining the determination strategy of overall situation binary-state threshold based on image complexity, really
After fixed overall situation 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, Qi Zhongji
Determine that in image complexity the determination strategy of overall situation binary-state threshold specifically includes: when image complexity exists
When presetting below complexity range lower limit, Two-peak method is used to determine overall situation binary-state threshold, when image is multiple
When miscellaneous degree is more than default 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 two
Value threshold value.
Described electric energy meter includes: image correcting device, is connected to receive two-value with overall situation binarizing apparatus
Change image, for binary image being carried out successively rotation correction process, redundancy cutting process and image
Normalized, to obtain correction chart picture；Contour detecting equipment, respectively with image correcting device and ash
Degree converting apparatus connects, outside based on electric energy meter in default electric energy meter housing contour detecting correction chart picture
The position of frame, and be partitioned at gray level image based on the position of electric energy meter housing in correction chart picture right
The electric energy meter framed picture answered.
Described electric energy meter includes: Ling Yang SPCE061A chip, with contour detecting equipment and FLASH
Storage device connects, for determining the coupling between electric energy meter framed picture and default gray scale benchmark housing
Degree, and based on matching degree determine whether to export housing normal signal, housing occur breakage signal or
Housing badly broken signal；Wireless communication interface, is connected with Ling Yang SPCE061A chip, and being used for will
Housing normal signal, housing occur that breakage signal or housing badly broken signal are sent to the electric power of far-end
Equipment management center, in order to have electric power equipment management center to determine the need for changing electric energy meter.
Wherein, Ling Yang SPCE061A chip the most respectively with potential device, calendar clock equipment, liquid crystal
Display device, FLASH storage device, Integrated Communication Devices and three-phase electric energy metering equipment connect, and use
In realizing potential device, calendar clock equipment, liquid crystal display, FLASH storage device, collection
Become the control operation of communication equipment and three-phase electric energy metering equipment, be additionally operable to from three-phase electric energy metering equipment
Place receives each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit.
Wherein, the AT45DB081 chip that FLASH storage device uses capacity to be 1M byte.
Alternatively, in described electric energy meter: wireless communication interface be GPRS communication interface, 3G lead to
One in letter interface and 4G communication interface；The traffic rate that infrared transmitter uses is 1200bps；
Ling Yang SPCE061A chip uses built-in FLASH storage device to replace FLASH storage device；
And there is breakage signal or outer in liquid crystal display can be also used for displaying bounding box normal signal, housing
Frame badly broken signal.
It addition, from the point of view of the technical Analysis of electric energy meter, current power industry electric energy measurement instrument main
Scheme is typically all and realizes accurate measurement purpose based on semiconductor technology.Electric energy meter generally individually have employed
High-precision A/D converter, carries out sampling and analog digital conversion, so by the voltage of electrical network, current signal
After utilize high speed microprocessor that digital signal is analyzed, process and data reprocessing, sorting, from
And produce various continuous data；Various communication interface, man machine interface is finally utilized to realize and various equipment
Dock.
Electric energy meter is the product that Sampling techniques, microprocessing, designing technique and experience combine, and is
High-tech product interdisciplinary.Understanding that electric energy meter manufacturer designs according to self and applicating skill, real
The various functions of existing electric energy meter.On electric 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, such as meritorious metering, nothing
Merit metering, requirement calculate, the sophisticated functions such as power grid quality detection, grid event record, and can make
Control main website for communication slave station with central authorities and carry out data interaction.
Use the electric energy meter of the damaged detection automatically of housing of the present invention, cannot improve for prior art
Realize the technical problem that electric energy meter housing is detected in real time while electric energy meter performance, detection platform is taken
It is loaded on electric energy meter to avoid wasting common equipment space, by improving electric energy meter structure accurately to determine
Each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit, by outward
Frame detection equipment is for detecting the housing feature of electric energy meter, and housing feature based on described electric energy meter is true
The housing damaged degree of fixed described electric energy meter.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement
Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from
Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention
Scheme makes many possible variations and modification, or is 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 is to above example
Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection
In the range of.
Claims (6)
1. an electric energy meter for the damaged detection automatically of housing, including three-phase electric energy metering equipment, housing
Detection equipment and master controller, three-phase electric energy metering equipment be used for determining in three-phase power circuit respectively with
And closing the active power of phase, reactive power and apparent energy, housing detection equipment is used for detecting described electricity
The housing feature of energy table, master controller detects equipment even with three-phase electric energy metering equipment and housing respectively
Connect, determine described for controlling three-phase electric energy metering equipment and housing feature based on described electric energy meter
The housing damaged degree of electric energy meter.
2. the electric energy meter of the damaged detection automatically of housing as claimed in claim 1, it is characterised in that
Described electric energy meter includes:
Current sensor, is connected with three-phase power circuit, for believing the electric current in three-phase power circuit
Number carry out size conversion, export the micro-electric current letter less relative to the current signal in three-phase power circuit
Number；
Voltage sensor, is connected with three-phase power circuit, for believing the voltage in three-phase power circuit
Number carry out size conversion, export the micro voltage letter less relative to the voltage signal in three-phase power circuit
Number；
Anti-aliasing Filter Circuits, is connected with current sensor and voltage sensor respectively, for reception
To micro-current signal and micro voltage signal carry out anti-aliasing filter process, with output process after micro-electricity
Stream signal and micro voltage signal；
Three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, based on the micro-electric current letter after processing
Number and micro voltage signal determine in three-phase power circuit each mutually and close the active power of phase, reactive power
And apparent energy；
Rectifying installation, is connected with three-phase power circuit, for by the AC rectification of three-phase power circuit
For unidirectional current；
Pressure stabilizing device, is connected with rectifying installation, for unidirectional current is carried out voltage stabilizing process；
Potential device, is connected with pressure stabilizing device, for the unidirectional current after voltage stabilizing carried out transformation process with
Obtain the running voltage required for each electronic equipment, the running voltage bag required for each electronic equipment
Include 36V, 12V, 5V and 3.3V；
Calendar clock equipment, including calendar clock chip and lithium battery, calendar clock chip is used for providing
Real time clock data, is connected also by synchronous serial interface I2C and Ling Yang SPCE061A chip, lithium
Battery is connected with calendar clock chip, for providing standby electricity for calendar clock chip under powering-off state
Power is supported；
Liquid crystal display, including segment liquid crystal display driver and a LCDs, a segmentation liquid
Brilliant display driver is connected by synchronous serial interface I2C and Ling Yang SPCE061A chip, is used for controlling
Display content in LCDs processed；
FLASH storage device, is carried out with Ling Yang SPCE061A chip by serial peripheral equipment interface SPI
Bidirectional data exchange, FLASH storage device is additionally operable to store default gray scale benchmark housing；
Integrated Communication Devices, is connected with Ling Yang SPCE061A chip, including infrared transmitter, infrared
Receptor, optocoupler, RS485 driver and RS485 communication interface, infrared transmitter uses
The modulation light of 38kHz, infrared remote receiver uses open collector mode to export from the infrared light received
Middle demodulation digital signal out, RS485 driver is connected with RS485 communication interface, optocoupler
For infrared transmitter and infrared remote receiver being isolated from RS485 driver and RS485 communication interface；
High-definition camera, is arranged on the top of electric energy meter, and the housing towards electric energy meter shoots, with
Obtain high definition framed picture；
Complexity detection equipment, is connected with high-definition camera, is used for receiving high definition framed picture image,
And calculate based on high definition framed picture image and export image complexity；
Gray scale converting apparatus, is connected with high-definition camera, is used for receiving high definition framed picture image, pin
To each pixel in high definition framed picture image, extract its R, G, B tri-Color Channel and divide
Amount, the weighted value different to R, G, B tri-Color Channel component impartings is average to be weighted, with
Obtain corresponding gray value, 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, is connected, for base with complexity detection equipment and gray scale converting apparatus respectively
The filtering strategies of selection is determined, when image complexity is at default complexity range lower limit in image complexity
Time following, select gaussian filtering strategy that gray level image is filtered, when image complexity is being preset
Time more than complexity range limit, select mean filter strategy that gray level image is filtered, work as figure
During as complexity within default complexity scope, select medium filtering strategy that gray level image is carried out
Filtering；
Overall situation binarizing apparatus, is connected with complexity detection equipment and image filtering equipment respectively, is used for
Determine the determination strategy of overall situation binary-state threshold based on image complexity, determine overall situation binary-state threshold
Afterwards, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment so that after process
The pixel value of binary image only has 0 or 255 these two kinds selections, wherein determines based on image complexity
The determination strategy of overall situation binary-state threshold specifically includes: when image complexity is under default complexity scope
When limit is following, Two-peak method is used to determine overall situation binary-state threshold, when image complexity is in default complexity
Time more than range limit, maximum variance between clusters is used to determine overall situation binary-state threshold, when image is complicated
When degree is within default complexity scope, mean value method is used to determine overall situation binary-state threshold；
Image correcting device, is connected to receive binary image with overall situation binarizing apparatus, for two
Value image carries out rotation correction process, redundancy cutting process and image normalization successively and processes, to obtain
Obtain correction chart picture；
Contour detecting equipment, is connected with image correcting device and gray scale converting apparatus respectively, for based on
Preset the position of electric energy meter housing in electric energy meter housing contour detecting correction chart picture, and based on correction chart picture
The position of middle electric energy meter housing is partitioned into the electric energy meter framed picture of correspondence at gray level image；
Ling Yang SPCE061A chip, is connected with contour detecting equipment and FLASH storage device, uses
In the matching degree determined between electric energy meter framed picture and default gray scale benchmark housing, and based on coupling
Degree determines whether to export housing normal signal, breakage signal occurs in housing or housing badly broken letter
Number；
Wireless communication interface, is connected with Ling Yang SPCE061A chip, for by housing normal signal,
Housing occurs that breakage signal or housing badly broken signal are sent to the electric power equipment management center of far-end,
There to be electric power equipment management center to determine the need for changing electric energy meter；
Wherein, Ling Yang SPCE061A chip the most respectively with potential device, calendar clock equipment, liquid crystal
Display device, FLASH storage device, Integrated Communication Devices and three-phase electric energy metering equipment connect, and use
In realizing potential device, calendar clock equipment, liquid crystal display, FLASH storage device, collection
Become the control operation of communication equipment and three-phase electric energy metering equipment, be additionally operable to from three-phase electric energy metering equipment
Place receives each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit；
Wherein, the AT45DB081 chip that FLASH storage device uses capacity to be 1M byte.
3. the electric energy meter of the damaged detection automatically of housing as claimed in claim 2, it is characterised in that:
Wireless communication interface is in GPRS communication interface, 3G communication interface and 4G communication interface
Kind.
4. the electric energy meter of the damaged detection automatically of housing as claimed in claim 2, it is characterised in that:
The traffic rate that infrared transmitter uses is 1200bps.
5. the electric energy meter of the damaged detection automatically of housing as claimed in claim 2, it is characterised in that:
Ling Yang SPCE061A chip uses built-in FLASH storage device to replace FLASH storage and sets
Standby.
6. the electric energy meter of the damaged detection automatically of housing as claimed in claim 2, it is characterised in that:
Liquid crystal display be additionally operable to display bounding box normal signal, housing occurs that breakage signal or housing break
Damage severe signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178329.6A CN105842503A (en) | 2016-03-25 | 2016-03-25 | Ammeter capable of automatically detecting damage of outer frame |
| CN201610415137.2A CN107228964A (en) | 2016-03-25 | 2016-03-25 | The electric energy meter of housing breakage automatic detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178329.6A CN105842503A (en) | 2016-03-25 | 2016-03-25 | Ammeter capable of automatically detecting damage of outer frame |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415137.2A Division CN107228964A (en) | 2016-03-25 | 2016-03-25 | The electric energy meter of housing breakage automatic detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105842503A true CN105842503A (en) | 2016-08-10 |
Family
ID=56583506
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178329.6A Pending CN105842503A (en) | 2016-03-25 | 2016-03-25 | Ammeter capable of automatically detecting damage of outer frame |
| CN201610415137.2A Withdrawn CN107228964A (en) | 2016-03-25 | 2016-03-25 | The electric energy meter of housing breakage automatic detection |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415137.2A Withdrawn CN107228964A (en) | 2016-03-25 | 2016-03-25 | The electric energy meter of housing breakage automatic detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303427A (en) * | 2018-02-08 | 2018-07-20 | 丁敏 | Household damaged degree detecting system based on image procossing |
| CN108830821A (en) * | 2018-02-08 | 2018-11-16 | 丁敏 | Household damaged degree detection method based on image procossing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060513Y (en) * | 2007-05-12 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Three-phase smart card type prepaid multifunctional electric energy meter |
| CN101320053A (en) * | 2008-07-17 | 2008-12-10 | 菏泽供电公司 | Wireless data and image double-acquisition anti-electricity theft monitoring system and method thereof |
| WO2011133578A1 (en) * | 2010-04-20 | 2011-10-27 | Equal Networks Incorporated | Apparatus, system, and method having a wi-fi compatible alternating current (ac) power circuit module |
| CN105092912A (en) * | 2015-08-28 | 2015-11-25 | 溧阳市华鹏电力仪表有限公司 | Cost control intelligent ammeter convenient to be mounted and dismounted |
| CN105118064A (en) * | 2015-04-01 | 2015-12-02 | 无锡桑尼安科技有限公司 | Method for detecting damage degree of outdoor electric energy meter |
-
2016
- 2016-03-25 CN CN201610178329.6A patent/CN105842503A/en active Pending
- 2016-03-25 CN CN201610415137.2A patent/CN107228964A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060513Y (en) * | 2007-05-12 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Three-phase smart card type prepaid multifunctional electric energy meter |
| CN101320053A (en) * | 2008-07-17 | 2008-12-10 | 菏泽供电公司 | Wireless data and image double-acquisition anti-electricity theft monitoring system and method thereof |
| WO2011133578A1 (en) * | 2010-04-20 | 2011-10-27 | Equal Networks Incorporated | Apparatus, system, and method having a wi-fi compatible alternating current (ac) power circuit module |
| CN105118064A (en) * | 2015-04-01 | 2015-12-02 | 无锡桑尼安科技有限公司 | Method for detecting damage degree of outdoor electric energy meter |
| CN105092912A (en) * | 2015-08-28 | 2015-11-25 | 溧阳市华鹏电力仪表有限公司 | Cost control intelligent ammeter convenient to be mounted and dismounted |
Non-Patent Citations (1)
| Title |
|---|
| 陈晨: "防窃电表的设计与改进", 《电测与仪表》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303427A (en) * | 2018-02-08 | 2018-07-20 | 丁敏 | Household damaged degree detecting system based on image procossing |
| CN108830821A (en) * | 2018-02-08 | 2018-11-16 | 丁敏 | Household damaged degree detection method based on image procossing |
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| Publication number | Publication date |
|---|---|
| CN107228964A (en) | 2017-10-03 |
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