CN201434880Y - Carrier wave remote controlled meter-reading billing system - Google Patents

Carrier wave remote controlled meter-reading billing system Download PDF

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Publication number
CN201434880Y
CN201434880Y CN2009201319108U CN200920131910U CN201434880Y CN 201434880 Y CN201434880 Y CN 201434880Y CN 2009201319108 U CN2009201319108 U CN 2009201319108U CN 200920131910 U CN200920131910 U CN 200920131910U CN 201434880 Y CN201434880 Y CN 201434880Y
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China
Prior art keywords
module
interface
charge
sampling
meter
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Expired - Fee Related
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CN2009201319108U
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Chinese (zh)
Inventor
高伟
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SHENZHEN SENHUI ELECTRONICS Co Ltd
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SHENZHEN SENHUI ELECTRONICS Co Ltd
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Priority to CN2009201319108U priority Critical patent/CN201434880Y/en
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Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a carrier wave remote controlled meter-reading billing system, which comprises a sampling and measuring module, a control management module and a power source module. The sampling and measuring module can acquire and measure circuit parameters in real time, process the circuit parameters by using a measuring unit, and then transmit the processed circuit parameters to the control management module for process; an MCU controller of the control management module can receive measurement data transmitted by the measuring unit via a carrier interface, and perform accumulated billing and classified billing on obtained active electric energy. The meter-reading billing system has a plurality of communication channels such as infrared, RS 485, carrier wave and the like, can facilitate realization of automatic meter-reading and a time-sharing cost rate system, and can provide an effective remote technical method for reasonable regulation of power utilization load of anelectric force power supply system.

Description

The carrier wave remote control type charge system of checking meter
Technical field
The utility model relates to power industry electric energy measurement and the automatic copy reading of ammeter field, relates in particular to a kind of carrier wave remote control type charge system of checking meter.
Background technology
Energy scarcity is a common recognition of current society, and energy savings, to cut the waste be necessary and urgent task at present, and utilizing economy and technological means is the effective ways that reach energy-conservation purpose.
Along with the social development power consumer increases in numbers swiftly, electric energy instrument quantity also increases thereupon fast, this makes and has checked meter into a hard work, remote automation is checked meter becomes unmodifiable trend, and existing engineering, common wired Automatic meter reading system has high input, cost and engineering complexity seriously rely on ammeter space structure layout, long construction period, be difficult to shortcoming such as maintenance and can not particularly extensively promote on a large scale, thereby have a strong impact on popularizing and promoting of Automatic meter reading system in the rural area.Along with economy constantly develops, between supplying with, the continuous increase of electric load demand and limited electric power forms the principal contradiction of present power domain, how rationally to control power load, allow the user carry out the allotment of the reasonable economy of electricity consumption at peak period and low peak period, allow power grid security, equilibrium, efficient operation has become the problem that electric system enterprise needs solution badly.And the many rate valuation of the Long-distance Control of ammeter power supply and timesharing become head it off, an important method of guiding user rational utilization of electricity.
Summary of the invention
The purpose of this utility model is to solve above-mentioned problems of the prior art, the carrier wave remote control type that proposes a kind of energy Long-distance Control, have a plurality of communication physical channels, help automatic data logging, has the rate control function charge system of checking meter.
The technical solution adopted in the utility model is, designs a kind of carrier wave remote control type charge system of checking meter, and this system comprises:
Sampling and metering module comprise voltage sampling device, current sampling device and metering units;
The control and management module is made up of MCU controller and peripheral module, and described peripheral module comprises infrared interface, RS485 interface, carrier interface, valve control output interface, button input interface and storage unit;
And the power module of power supply is provided for the control and management module;
Described sampling and metering module are gathered in real time and are measured circuit parameter, and through sending to the control and management resume module after the metering units processing, described MCU controller receives the measurement data that metering units sends by carrier interface, and the active energy that obtains add up, totally electric energy is stored in described storage unit; Described infrared interface is used for communicating by letter with handheld reading meter device or Infrared remote controller, to the ammeter parameter with data are provided with and copy reading; Described RS485 interface is used for the telecommunication with main website, long-range copy reading ammeter data and the ammeter parameter is set; Described valve control output interface has Long-distance Control power on/off function, realizes the centralized control of power supply and outage by the form of communication command.
Compared with prior art, the utlity model has following beneficial effect:
1, have infrared, multiple communication channel such as RS485 and carrier wave, make things convenient for the realization of Automatic meter reading system, particularly carrier communication function effective simplification the engineering complexity of Automatic meter reading system, engineering wiring and maintenance cost have been reduced, allow the area of ammeter Discrete Distribution such as rural area be achieved automatic copy reading table and charge, greatly promoted popularizing and promoting of Automatic meter reading system.
2, provide the time-division charge rate function, can impel power consumer to change consumption habit, thereby reach the effect that peak load shifting is stabilized network load.
3, have Long-distance Control power on/off function,, rationally regulate and control power load, effective remote technology means are provided for power supply system by the form realization power supply of communication command and the centralized control of outage.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail, wherein:
Fig. 1 is the synoptic diagram of the utility model sampling and metering module;
Fig. 2 is the synoptic diagram of the utility model power module;
Fig. 3 is the synoptic diagram of the utility model control and management module.
Embodiment
Fig. 1 shows AC sampling and metering module, this module comprises a plurality of voltage sampling devices, a plurality of current sampling device, with a metering units, circuit parameter is gathered in real time and measured, sampled data is carried out drawing data such as voltage, electric current, frequency, active power, applied power, power factor, active energy after the inter-process, send to the control and management module by carrier wave then and carry out unified management.
In this embodiment, described voltage sample circuit adopts resistor voltage divider circuit, and described current sampler adopts current transformer.Sampled signal is sent into metering units, by metering units sampled signal is carried out filtering, amplification earlier again, carries out A/D then and is converted to digital quantity, and at last computing obtains the continuous data that needs to digital quantity by metering units.
The power module that Fig. 2 shows provides required working power to system.At line voltage just often, working power is provided by primary power, and behind the grid cut-off, power management module switches to backup battery with working power, and ammeter enters dormant state simultaneously.
Fig. 3 shows the block scheme of control and management module.This control and management module comprises MCU controller and peripheral module composition.Peripheral module comprises infrared interface, 485 interfaces, carrier interface, valve control output interface, pulse output interface, storage unit, keyboard input interface, display unit and clock module.The MCU controller reads measurement data by carrier interface from metering units, and the active energy that obtains is added up, and the accumulative total electric energy is stored in the described storer.The MCU controller is provided with the module that the voltage and current that obtains is compared judgement, takes place to have determined whether decompression or phase failure incident, if decompression or phase failure incident have taken place, relevant information will be recorded in the described storer.The time-division charge rate that can also turn round in the MCU controller is realized time-sharing measurement, the time-shared charge function.Real-time clock module switches base and calendar when providing for the period, and the leap year is adjusted automatically.Infrared interface is used for communicating by letter with handheld reading meter device or Infrared remote controller, can to the ammeter parameter and data are provided with and copy reading.Infrared signal is the 38kHz modulation signal, and antijamming capability is strong, and communication distance is far away.The RS485 interface is used for the telecommunication with main website, long-range copy reading ammeter data and the ammeter parameter is set.Other circuit has carried out the photoelectricity isolation in this interface circuit and the utility model, can not influence the function of other circuit.Described display unit adopts LCD display, cooperates described button, can show measurement data and configuration parameter.LCD display has backlight, conveniently checks demonstration when insufficient light.Reserve battery in the power module is kept described real-time clock operation.After button or infrared waking up, LCD display can video data.After time through an agreement, LCD display is closed, and reenters dormant state.The MCU controller can be monitored the capacity of described backup battery, provides warning message when the backup battery off-capacity, so that the user in time changes.The pulse output interface is that photoelectricity is isolated output, is used for accuracy test, also can insert other electric instrument metering electric energy.
The utility model adopts software algorithm control, and the measuring accuracy calibration cooperates correcting device, and auto-adjustment does not have traditional hardware short circuit point, so error is difficult for drift, stops because the generation of the unacceptable product that manually-operated caused has improved calibration efficient simultaneously.Key parameter of the present utility model and The data register, memory checking algorithm are stored respectively, ensure correctness.

Claims (7)

1. carrier wave remote control type charge system of checking meter is characterized in that comprising:
Sampling and metering module comprise voltage sampling device, current sampling device and metering units;
The control and management module is made up of MCU controller and peripheral module, and described peripheral module comprises infrared interface, RS485 interface, carrier interface, valve control output interface button input interface and storage unit;
And the power module of power supply is provided for the control and management module;
Described sampling and metering module are gathered in real time and are measured circuit parameter, and through sending to the control and management resume module after the metering units processing, described MCU controller receives the measurement data that metering units sends by carrier interface, and the active energy that obtains add up, totally electric energy is stored in described storage unit; Described infrared interface is used for communicating by letter with handheld reading meter device or Infrared remote controller, to the ammeter parameter with data are provided with and copy reading; Described RS485 interface is used for the telecommunication with main website, long-range copy reading ammeter data and the ammeter parameter is set; Described valve control output interface has Long-distance Control power on/off function, realizes the centralized control of power supply and outage by the form of communication command.
2. the charge system of checking meter as claimed in claim 1 is characterized in that: described voltage sampling device adopts resistor voltage divider circuit, and described current sampling device adopts current transformer.
3. the charge system of checking meter as claimed in claim 1 is characterized in that: described metering units is provided with sampled signal is carried out filtering, amplification, carries out the module of A/D conversion, computing then.
4. the charge system of checking meter as claimed in claim 1 is characterized in that: be provided with the running time-division charge rate in the described MCU controller, realize time-sharing measurement, the module of time-shared charge function.
5. the charge system of checking meter as claimed in claim 1 is characterized in that: described RS485 interface and other circuit have carried out the photoelectricity isolation.
6. the charge system of checking meter as claimed in claim 1 is characterized in that: described peripheral module also comprises the pulse output interface that is connected with the MCU controller, and this interface adopts photoelectricity to isolate output, is used for accuracy test, or inserts other electric instrument metering electric energy.
7. the charge system of checking meter as claimed in claim 1, it is characterized in that: described power module provides the reserve battery of power supply when comprising grid cut-off, described MCU controller is provided with monitoring reserve battery capacity, and the module of reporting to the police when the reserve battery off-capacity.
CN2009201319108U 2009-05-18 2009-05-18 Carrier wave remote controlled meter-reading billing system Expired - Fee Related CN201434880Y (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101901539A (en) * 2010-07-01 2010-12-01 深圳市科陆电子科技股份有限公司 Electric energy meter reading method for customizing meter reading contents based on configuration file
CN101957392A (en) * 2010-09-09 2011-01-26 西安信唯信息科技有限公司 Method for charging energy-saving lamp by switch type remote meter reading
CN102075013A (en) * 2010-12-01 2011-05-25 河南省科学院应用物理研究所有限公司 Method and device for remotely controlling household electricity load
CN102346953A (en) * 2010-07-29 2012-02-08 上海资和通信科技有限公司 Electric meter reading system based on low pressure power line carrier
CN103488129A (en) * 2012-06-12 2014-01-01 杨晨 Carrier wave programmable control system
CN104142656A (en) * 2013-05-08 2014-11-12 杨晨 Agricultural automated control system
CN104217499A (en) * 2014-08-22 2014-12-17 陕西中汽合力停车系统有限公司 Control system of stereo garage charging pile
CN105225454A (en) * 2015-09-29 2016-01-06 南京军理科技股份有限公司 A kind of multi-object off-line data collecting method and system thereof
WO2017152316A1 (en) * 2016-03-05 2017-09-14 马骏 Power measurement device employing power carrier technology
CN109444789A (en) * 2018-10-09 2019-03-08 国网湖北省电力有限公司宜昌供电公司 A kind of Electricity customers and electric energy meter relation recognition device and method
CN110927445A (en) * 2019-11-25 2020-03-27 国网天津市电力公司电力科学研究院 Simulation single-phase electric energy meter compatible with narrow-band module and HPLC module full detection

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101901539A (en) * 2010-07-01 2010-12-01 深圳市科陆电子科技股份有限公司 Electric energy meter reading method for customizing meter reading contents based on configuration file
CN101901539B (en) * 2010-07-01 2013-03-20 深圳市科陆电子科技股份有限公司 Electric energy meter reading method for customizing meter reading contents based on configuration file
CN102346953A (en) * 2010-07-29 2012-02-08 上海资和通信科技有限公司 Electric meter reading system based on low pressure power line carrier
CN101957392A (en) * 2010-09-09 2011-01-26 西安信唯信息科技有限公司 Method for charging energy-saving lamp by switch type remote meter reading
CN101957392B (en) * 2010-09-09 2015-09-30 西安信唯信息科技有限公司 A kind of electricity-saving lamp note charging method of switching regulator remote meter reading
CN102075013A (en) * 2010-12-01 2011-05-25 河南省科学院应用物理研究所有限公司 Method and device for remotely controlling household electricity load
CN103488129A (en) * 2012-06-12 2014-01-01 杨晨 Carrier wave programmable control system
CN104142656A (en) * 2013-05-08 2014-11-12 杨晨 Agricultural automated control system
CN104217499A (en) * 2014-08-22 2014-12-17 陕西中汽合力停车系统有限公司 Control system of stereo garage charging pile
CN105225454A (en) * 2015-09-29 2016-01-06 南京军理科技股份有限公司 A kind of multi-object off-line data collecting method and system thereof
WO2017152316A1 (en) * 2016-03-05 2017-09-14 马骏 Power measurement device employing power carrier technology
CN109444789A (en) * 2018-10-09 2019-03-08 国网湖北省电力有限公司宜昌供电公司 A kind of Electricity customers and electric energy meter relation recognition device and method
CN110927445A (en) * 2019-11-25 2020-03-27 国网天津市电力公司电力科学研究院 Simulation single-phase electric energy meter compatible with narrow-band module and HPLC module full detection

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Granted publication date: 20100331

Termination date: 20130518