CN202939193U - Single-phase intelligent multi-user remote cost control electric energy meter - Google Patents

Single-phase intelligent multi-user remote cost control electric energy meter Download PDF

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Publication number
CN202939193U
CN202939193U CN 201220630470 CN201220630470U CN202939193U CN 202939193 U CN202939193 U CN 202939193U CN 201220630470 CN201220630470 CN 201220630470 CN 201220630470 U CN201220630470 U CN 201220630470U CN 202939193 U CN202939193 U CN 202939193U
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China
Prior art keywords
electric energy
energy meter
phase intelligent
adopts
control electric
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Expired - Fee Related
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CN 201220630470
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Chinese (zh)
Inventor
张旭辉
王华林
杜中良
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Priority to CN 201220630470 priority Critical patent/CN202939193U/en
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Publication of CN202939193U publication Critical patent/CN202939193U/en
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Abstract

Provided is a single-phase intelligent multi-user remote cost control electric energy meter. A card-type electric energy meter is of disperse operation, so that an electric power marketing system cannot conduct real-time monitoring over electricity utilization, and line loss analysis and demand side management cannot be conducted over a line. The single-phase intelligent multi-user remote cost control electric energy meter comprises a housing (1); a control panel is arranged on the housing; the housing is internally provided with a singlechip (3); the singlechip is connected with a single user electric energy measuring converter (4) of 1-16 rooms, data storage devices (5), an embedded safety controller (6), a clock chip (7), I/O interface expanders (8), an infrared communicator (9), a power line carrier communication device (10) and a power converter (11) respectively. The single-phase intelligent multi-user remote cost control electric energy meter is used for smart grid electricity utilization collection information management.

Description

The single-phase intelligent multiuser to remotely takes control electric energy meter
Technical field:
The utility model relates to a kind of single-phase intelligent multiuser to remotely expense control electric energy meter.
Background technology:
The expense control electric energy meter is divided into two kinds of local charge control and remote bill controls.The local charge control electric energy meter is to complete by means of solid state mediums such as CPU card, radio-frequency cards, there are the problems of management such as making, granting due to the use that blocks, and the cassette electric energy meter is completed function of measuring simultaneously, also need possess billing function, require the corresponding raising of electrical energy meter accuracy, easily increase the electrical energy meter fault rate; The cassette electric energy meter is owing to being to spread the work simultaneously, and Electric Power Marketing System can not carry out Real-Time Monitoring to electricity consumption, thereby can't carry out line loss analyzing and dsm to circuit.Remote cost control intelligent electric energy meter is the electric energy meter by the long-range realization expense of the virtual mediums such as network control function.
Present existing remote charge control electric energy meter adopts a plurality of single user charge control electric energy meters to install into the mode of one side " table wall " concentratedly, foundation Qi – Cai Ji Qi – from Ji takes control electric energy meter three aspect distributed frames, realizes acquiring electric energy information, all the period of time on-line monitoring and and power consumption control to the electricity consumption client.
Summary of the invention:
The purpose of this utility model is to provide a kind of single-phase intelligent multiuser to remotely expense control electric energy meter, concentrate and carry out storage, processing, the demonstration of information and communicate by letter, it integrates metering, expense control, monitoring, warning, demonstration, communication function, has high precision, wide load, low-power consumption, cost is low, volume is little, antijamming capability is strong characteristics.
Above-mentioned purpose realizes by following technical scheme:
A kind of single-phase intelligent multiuser to remotely takes control electric energy meter, its composition comprises: housing, has control panel on described housing, have single-chip microcomputer in described housing, described single-chip microcomputer is connected with alone family, 1-16 family electric energy metrical converter, data-carrier store, embedded safe controller, clock chip, I/O Interface Expanding device, infrared communication device, power line carrier communication device, power supply changeover device respectively.
Described single-phase intelligent multiuser to remotely takes control electric energy meter, described power supply changeover device is connected with the 220V power supply, described clock chip is connected with voltage monitoring alarm, lithium battery, described I/O Interface Expanding device is connected with 1-16 family magnetic latching relay, warning LED light, tripping operation LED light, described power line carrier communication device is connected with power couplers, and described power supply changeover device is connected with described power couplers, described voltage monitoring alarm respectively.
Described single-phase intelligent multiuser to remotely takes control electric energy meter, have LCDs, warning LED light, tripping operation LED light, metering pilot lamp, infrared transceiver, light-operated button on described control panel, described LCDs is connected with liquid crystal driver, described light-operated button is connected with light-operated button driving circuit, and described liquid crystal driver, described light-operated button driving circuit are connected with described single-chip microcomputer respectively.
Described single-phase intelligent multiuser to remotely takes control electric energy meter, described single-chip microcomputer adopts PIC16C923, alone family, described 1-16 family electric energy metrical converter adopts ADE7755, described data-carrier store is comprised of ferroelectric memory FM24C256 and high-capacity FLASH storer AT45DB321D, described clock chip adopts PCF8563, described embedded safe controller adopts ESAM2605, described power line carrier communication device adopts PL2101, and described I/O Interface Expanding device adopts AT56467.
Beneficial effect:
1. the utility model is a kind of multifunctional electric energy meter, except basic electric energy metrical function, the function that also has the information storage and process, and utilize communication interface to realize monitoring, control and the information interaction of electric energy, the situation of paying the fees and credit grade according to the user, automatically complete the telegram in reply operation that has a power failure, reduce period of reservation of number, promote electric power enterprise service ability and operational efficiency, satisfy the stability of electric energy comprehensive metering, marketing scientific management, enhancing electric system, promote the electric power enterprise development and realizes huge leap.Along with town dweller's growth in the living standard, high residential building constantly increases, power load increases rapidly, and institution of higher learning's apartmentization and the requirement to all departments' management of power use responsibility under it such as office, factories and miness, business, the Intelligent cost control electric energy meter high in the urgent need to precision, that volume is little, cost is low improves Utilities Electric Co. for electricity consumption standardization, standardization, modern management level.
The utility model adopts advanced integrated circuit (IC) design and the manufacturing of surface mounting technology (SMT) technique, is characterized in that high precision, wide load, low-power consumption, antijamming capability are strong.Casing adopt high strength, fire-retardant, antiultraviolet environment-friendly materials, have higher dielectric strength and corrosion resistance, structural design sealing and dustproof, modern design, beautiful and applicable.
Single-chip microcomputer of the present utility model adopts the PIC16F923 of U.S. Microchip company, and it has is a high-performance, small-sized package, is applicable to the fabulous chip of industrial cost performance.Complete acquisition and processing to 1-16 user's electrical energy pulse by single-chip microcomputer, realize the transmission of data and order by power line carrier and infrared interface, according to instruction, the user is carried out control system of switching on or off electricity, realize button and Presentation Function.
The built-in the special metering IC of the utility model has that precision is high, highly sensitive, logic is anti-ly dived, the characteristics such as reliability is high, wide load.The electric energy metrical converter is 16 separate electric energy computation chip ADE7755.ADE7755 is the pulse output type high precision electro power measurement integrated circuit that the design of U.S. ADI company is produced, internal main will be by the electric circuit constitutes such as Power Supply Monitoring, mould/number conversion, signal processing, reference circuit, a digital frequency inverted, wave filter and programmable gain amplifiers, and the electric energy metrical precision reaches 0.1% in the 500:1 dynamic range.The electric weight that ADE7755 will be directly proportional to instantaneous power offers single-chip microcomputer with impulse form and counts processing, single-chip microcomputer time-sharing measurement active energy, by the corresponding period add up respectively, the store electricity energy realizes many rate accountings function.
Data recording of the present utility model accurately, is not reliably lost.Data-carrier store has two kinds, adopts the Nonvolatile ferroelectric memory FM24C256 of U.S. RAMTRON company to deposit current 16 users' real-time electric quantity data, and ferroelectric memory is compared E 2 It is fast that PROM has writing speed, writes the characteristics of life-span long (can reach 100,000,000 hundred million times), super low-power consumption, can every 1 pulse all use its record, improves the precision of electric energy meter.Adopt the large capacity Data of 32M Flash storer AT45DB321D, storage system configuration parameter, day part historical data, freezing data and load curve data.
Clock chip precision of the present utility model is high, good stability, low in energy consumption.The cmos clock of employing PHILIPS company/calendar chip PCF8563 includes I 2 The C bus interface.Clock chip also needs the 3.6V lithium battery power supply of external 1.2Ah except adopting the system power supply power supply, can satisfy in the system power failure situation clock normal operation 10 years.Battery and system power supply are isolated by two diodes, and battery-end is connected with the IMP809T chip, detect the voltage of battery, start buzzer warning when voltage during lower than 2V, remind producer to change battery.
Communicator of the present utility model is low in energy consumption, and data transmission is accurate, connects reliably, possesses long-distance on-line power on/off and short range infrared copying instrument power on/off function, is beneficial to electric fees charging.The remote power line carrier communication device adopts the PL2102 series spread spectrum communication chip of Beijing journey dawn, this chip pins designs Chinese power network channel circumstance, stronger anti-interference and anti fading performance is arranged, simultaneously well-designed line of electric force coupled circuit, input frequency selection circuit, output filter circuit and power amplification circuit and coupled circuit.Utilize the power line carrier mode, the remote power management system realizes the copying and accepting and the setting of parameter of energy data, and by password authentification and safety certification, issue operate a switch, allow to close a floodgate, the instruction of ESAM data reading system.Infrared communication is mainly used in the data transmission between local and palm meter reader, is used for not setting up the area of telecommunication.The infrared emission device adopts TSAL6200, for increasing emission angle, adopts two infrared-emitting diodes side by side.Receiver adopts the TMS1838 receiver module of Temic company, and inner integrated rate light condenser lens, preposition amplification, bandpass filtering, peak detection and waveform shaping circuit make system can realize reliable data transmission in 12 meters.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is outside drawings of control panel of the present utility model.
Accompanying drawing 3 is theory diagrams of the present utility model.
Embodiment:
Embodiment 1:
A kind of single-phase intelligent multiuser to remotely takes control electric energy meter, its composition comprises: housing 1, has control panel 2 on described housing, have single-chip microcomputer 3 in described housing, described single-chip microcomputer is connected with alone family, 1-16 family electric energy metrical converter 4, data-carrier store 5, embedded safe controller 6, clock chip 7, I/O Interface Expanding device 8, infrared communication device 9, power line carrier communication device 10, power supply changeover device 11 respectively.
Embodiment 2:
The described single-phase intelligent multiuser to remotely of embodiment 1 takes control electric energy meter, described clock chip is connected with voltage monitoring alarm 12, lithium battery 21, described I/O Interface Expanding device is connected with 1-16 family magnetic latching relay 13, warning LED light 14, tripping operation LED light 15, described power line carrier communication device is connected with power couplers 16, and described power supply changeover device is connected with described power couplers, described voltage monitoring alarm respectively.
Embodiment 3:
Described single-phase intelligent multiuser to remotely takes control electric energy meter, have LCDs 17, warning LED light, tripping operation LED light, metering pilot lamp 18, infrared transceiver 19, light-operated button 20 on described control panel, described LCDs is connected with liquid crystal driver 22, described light-operated button is connected with light-operated button driving circuit 23, and described liquid crystal driver, described light-operated button driving circuit are connected with described single-chip microcomputer respectively.
Described infrared transceiver is connected with infrared tube 26, and described I/O Interface Expanding device is connected with described warning LED light, described tripping operation LED light.
Described power supply changeover device is connected with 220V power supply 21.
Embodiment 4:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, described single-chip microcomputer adopts PIC16C923, alone family, described 1-16 family electric energy metrical converter adopts ADE7755, described data-carrier store is comprised of ferroelectric memory FM24C256 and high-capacity FLASH storer AT45DB321D, described clock chip adopts PCF8563, described embedded safe controller adopts ESAM2605, described power line carrier communication device adopts PL2101, and described I/O Interface Expanding device adopts AT56467.
Relay adopts magnetic latching relay to adopt JMX-99F.
Embodiment 5:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, embedded safe controller of the present utility model adopts ESAM2605, realize the safety control function such as control, link encryption transmission of authentication, the access right of data encryption and deciphering, bidirectional identification, as the medium of data information memory and transmission, have very high security and attack tolerant.To electric energy meter carry out the parameter setting, the electricity charge and issue remote control command when operation of prestoring, need by safety certifications such as strict password authentification and ESAM modules, reliable to guarantee data transmission security.
Embodiment 6:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, and I/O Interface Expanding device of the present utility model adopts Rabbit series programmable I/O chip AT56467, and clock frequency can reach 40MHz, and rated voltage 3.3V adopts the SPI mode to be connected with MCU.Its programming of this table is set to 32 two-way I/O mouths, controls because each magnetic latching relay needs 2 I/O mouths, and 16 relays need 32 I/O mouths altogether; The warning at other 16 families and tripping operation pilot lamp also need 32 I/O mouths to control, so need altogether 2 AT56467 chips to complete the expansion of I/O interface.
Embodiment 7:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, relay of the present utility model adopts magnetic latching relay JMX-99F (50A/220V), have that volume is little, lightweight, shock-resistant, maintain the original state after anti-vibration, outage, dependable performance etc. characteristics.Control is used for the order of drawing, close a floodgate that the receiving remote electric energy management system issues, and the break-make by relay realizes the control to the user power utilization situation.For avoiding the relay contact action to produce the interference of spike, adopt the I/O mouth isolation of photoelectrical coupler 521-4 and AT56467.Be designed with testing circuit after relay contact, and the switching on/state that LED light shows the user is set.
Embodiment 8:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, and the utility model shows that data are comprehensive, clear, displaying contents abundant.Button and nixie display adopt respectively light-operated button, liquid crystal display and LED light emitting diode to form.Be safety and anti-electricity-theft consideration, this table is installed in panel box, and the user can't directly contact, so button adopts the photodiode circuit to consist of, utilize the variation of the outer light source intensities such as torch to change diode current flow resistance, realize the variation of the high and low level in connectivity port.This table adopts the wide temperature character type of large picture LCD liquid crystal display, the band back lighting, and the user can check current electricity consumption data, current rate electric weight, time on date, historical data, ammeter parameters etc.LCD shows to possess automatic cycle demonstration and button circulation demonstration dual mode, when this equipment is in the automatic cycle display mode of running status, in case there is display button to trigger, just switch to the button show state, and startup LCD backlight, and autoshutdown is backlight after actuation of keys disappeared rear 120 seconds, and the automatic cycle show state that automaticallyes switch back.This equipment also arranges three groups of light emitting diodes, and wherein red a pulse is measured in the every sampling of electric energy metrical converter in order to measure pilot lamp, and this lamp is once bright; Yellow is alarm lamp, extinguishes at ordinary times, and when Sorry, your ticket has not enough value, pilot lamp Chang Liang was to remind and the caution user related information when demand charge; Green is the pilot lamp of operating a switch, extinguishes at ordinary times, and when on-load switch is in off-state, pilot lamp Chang Liang.
Embodiment 9:
Above-mentioned single-phase intelligent multiuser to remotely takes control electric energy meter, the power supply changeover device that the utility model adopts is to utilize the members such as power transformer, voltage dependent resistor (VDR), rectifier bridge, wave filter, transition twin zener dioder, power conversion chip and filter capacitor, the alternating current 220V power supply is converted to DC voltage, for instrument provides reliable and stable dc power supply.

Claims (4)

1. A kind of single-phase intelligent multiuser to remotely takes control electric energy meter, its composition comprises: housing, it is characterized in that: have control panel on described housing, have single-chip microcomputer in described housing, described single-chip microcomputer is connected with alone family, 1-16 family electric energy metrical converter, data-carrier store, embedded safe controller, clock chip, I/O Interface Expanding device, infrared communication device, power line carrier communication device, power supply changeover device respectively.
2. Single-phase intelligent multiuser to remotely according to claim 1 takes control electric energy meter, it is characterized in that: described power supply changeover device is connected with the 220V power supply, described clock chip is connected with voltage monitoring alarm, lithium battery, described I/O Interface Expanding device is connected with 1-16 family magnetic latching relay, warning LED light, tripping operation LED light, described power line carrier communication device is connected with power couplers, and described power supply changeover device is connected with described power couplers, described voltage monitoring alarm respectively.
3. Single-phase intelligent multiuser to remotely according to claim 1 and 2 takes control electric energy meter, it is characterized in that: have LCDs, warning LED light, tripping operation LED light, metering pilot lamp, infrared transceiver, light-operated button on described control panel, described LCDs is connected with liquid crystal driver, described light-operated button is connected with light-operated button driving circuit, and described liquid crystal driver, described light-operated button driving circuit are connected with described single-chip microcomputer respectively.
4. Single-phase intelligent multiuser to remotely according to claim 1 and 2 takes control electric energy meter, it is characterized in that: described single-chip microcomputer adopts PIC16C923, alone family, described 1-16 family electric energy metrical converter adopts ADE7755, described data-carrier store is comprised of ferroelectric memory FM24C256 and high-capacity FLASH storer AT45DB321D, described clock chip adopts PCF8563, described embedded safe controller adopts ESAM2605, described power line carrier communication device adopts PL2101, and described I/O Interface Expanding device adopts AT56467.
CN 201220630470 2012-11-26 2012-11-26 Single-phase intelligent multi-user remote cost control electric energy meter Expired - Fee Related CN202939193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220630470 CN202939193U (en) 2012-11-26 2012-11-26 Single-phase intelligent multi-user remote cost control electric energy meter

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Application Number Priority Date Filing Date Title
CN 201220630470 CN202939193U (en) 2012-11-26 2012-11-26 Single-phase intelligent multi-user remote cost control electric energy meter

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104699421A (en) * 2014-12-01 2015-06-10 华立仪表集团股份有限公司 Meter memory medium
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
CN105184981A (en) * 2015-10-19 2015-12-23 国家电网公司 Intelligent charge control multifunctional power meter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104699421A (en) * 2014-12-01 2015-06-10 华立仪表集团股份有限公司 Meter memory medium
CN104699421B (en) * 2014-12-01 2018-08-24 华立科技股份有限公司 A kind of table storage medium
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
CN105184981A (en) * 2015-10-19 2015-12-23 国家电网公司 Intelligent charge control multifunctional power meter

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130515

Termination date: 20151126