CN101335464A - Integrated control system for electricity distributing and metering - Google Patents

Integrated control system for electricity distributing and metering Download PDF

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Publication number
CN101335464A
CN101335464A CNA2008100292733A CN200810029273A CN101335464A CN 101335464 A CN101335464 A CN 101335464A CN A2008100292733 A CNA2008100292733 A CN A2008100292733A CN 200810029273 A CN200810029273 A CN 200810029273A CN 101335464 A CN101335464 A CN 101335464A
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CN
China
Prior art keywords
module
metering
circuit
interface
integrated control
Prior art date
Application number
CNA2008100292733A
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Chinese (zh)
Inventor
胡珏
骆勇强
Original Assignee
胡珏
骆勇强
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 胡珏, 骆勇强 filed Critical 胡珏
Priority to CNA2008100292733A priority Critical patent/CN101335464A/en
Publication of CN101335464A publication Critical patent/CN101335464A/en

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Abstract

The invention relates to an integrated control system for power distribution measurement. The integrated control system of the invention comprises a main control module which consists of a central processing unit and a memory unit used for storing the data of various parameters, and a measurement module, a meter reading module, a control module and an LCD display module which are all connected with the main control module, wherein, the measurement module is used for taking the samples of voltage signals and current signals of a power distribution circuit and an electricity use circuit and sending the signals to the central processing unit after the signals are processed by a digital signal processor; the meter reading module is used for reading the electricity data of an electrical energy meter; the control module is used for controlling the switch-in and switch-out of the power distribution circuit and the electricity use circuit and also detecting the implementation situation. The integrated control system for power distribution measurement of the invention integrates the functions of a high-precision three-phase electrical energy meter, a meter reading concentrator, a distribution and transforming measurement monitoring terminal, a power quality monitoring terminal and a load management terminal in an electric power system into a whole, and also spares complex circuits and repetitive communication modules for the communication among each equipment and between each equipment and a main control station, thus saving cost and ensuring convenient maintenance.

Description

A kind of integrated control system for electricity distributing and metering

Technical field

The present invention relates to electric power system with distribution, metering, monitoring and control equipment, be specifically related to a kind of integrated control system for electricity distributing and metering that integrates high accuracy three-phase electric energy meter, meter-copy collector, distribution transforming measure monitor terminal, electric energy quality monitoring terminal, load management terminal function.

Background technology

Electric power system is a convenient management, usually in certain area coverage, for example a residential quarter or an office block, the continuous data of each measuring terminal in the one concentrator pickup area is set, and distribution transformer monitoring equipment will be set the transformer working condition is monitored, power quality monitoring device and load control terminal are set to operation of power networks condition monitoring, control.Though these equipment can be concentrated placement, unified management, but still need lay various communication line between each equipment to guarantee mutual back work and coordination, and each equipment all will dispose special communication interface circuit and be connected with the upload control main website, cause resource to repeat, and its maintenance, maintenance difficulties is big, cost is high.

Summary of the invention

Shortcoming at prior art, problem to be solved by this invention provides a kind of high accuracy three-phase electric energy meter, meter-copy collector, distribution transforming measure monitor terminal, electric energy quality monitoring terminal, load management terminal function in one, simple to operation, the integrated control system for electricity distributing and metering being convenient to manage.

The technical scheme that the present invention takes is: a kind of integrated control system for electricity distributing and metering is provided, comprises:

Main control module comprises central processing unit and storage parameters memory of data;

Metering module, the distribution line and with voltage, the current signal of electric line of being used to sample after digital signal processor DSP is handled, sends central processing unit to;

Control module, be used to export draw/switching signal gives the on-load switch of power equipment, makes it operate a switch or close a floodgate, and simultaneously execution result detected, judge whether correct operation, and pass testing result back main control module;

Meter-reading module with the main control module serial communication, is used to copy and accept the continuous data of each measuring terminal table;

Ethernet interface is linked into the electric power system Ethernet that is applied to this locality by this interface with described system, and main control module is by Ethernet and the communication of electric power system control main website;

Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used for this locality this equipment is carried out parameter setting, data read, software upgrading;

LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation.

Described meter-reading module comprises the ARM7 control chip and is used to connect the ARM7 chip and is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with the RS232/RS485 circuit of central processing unit, with ARM7.

The described interface circuit of checking meter adopts the combination of any one or a few communication modes in power line carrier, RS485 serial, infrared, the Zigbee network communication.

Described control module comprises the ARM7 control chip and connects relay output circuit and the switch input circuit of this ARM7.

Described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.

Described central processing unit adopts the little process chip of ARM9.

This system further comprises GPRS/CDMA network communication module, and main control module is by this module and controlling center communication.

This system further comprises UPS stand-by power supply and battery, and when feeder line fault can't normal power supply, ups power can be kept system's operate as normal, and malfunction is reported controlling center; When power circuit and the equal fault of ups power, give main control module, clock and GPRS/CDMA module by powered battery, make described system carry out fault alarm to controlling center.

This system further comprises the SD card unit that is used for logout and energy data storage.

Meter-copy collector in the integrated control system for electricity distributing and metering current collection power of the present invention system, distribution transforming measure monitor terminal, high accuracy three-phase table, load management terminal functions of the equipments are in one, this system integrates above-mentioned four functions of the equipments height, be arranged to drawer type, be installed on easily in the electric control cabinet, cost is low, it is little to take up room.Removed between original each function device that disperses, each equipment is with the numerous and diverse circuit of communication between the controlling center and the communication module of repetition, saves cost, and maintenance, easy to maintenance.

Description of drawings

Fig. 1 is that the principle of the invention is formed schematic block diagram.

Embodiment

The present invention is described in further detail below in conjunction with accompanying drawing:

As Fig. 1, described integrated control system for electricity distributing and metering comprises main control module and the metering module, the control module that are connected with main control module, checks meter and cascade special module, LCD demonstration/touch screen module, Ethernet interface etc.

Described main control module comprises little process chip of ARM9 and storage parameters memory of data.

As figure, described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.This can finish the task of metering monitoring modular in high accuracy three-phase table, distribution transforming measure monitor terminal and the electricity load management terminal, sample respectively distribution line and with voltage, the current signal of electric line, after being sent to the processing of computation chip and digital signal processor DSP, send central processing unit to, as the basic calculation data of electric weight, three phase electric power, power factor, flickering, harmonic wave metering.Described DSP digital signal processor has 6 tunnel 16 high-speed a/d ALT-CH alternate channel at least can carry out the electric power signal sampling simultaneously.

As figure, described control module comprises the ARM7 control chip and connects switch input circuit and the relay output circuit of this ARM7.Described central processing unit ARM9 chip is by metering module monitoring distribution line with the working condition of electric line, when noting abnormalities, send the ARM7 control chip that this module is given in the line disconnection order, and then control internal relay circuit operation, output switching signal cuts off distribution line; Or the operation of drawing lock is carried out in the order of carrying out the electric power system control main website.And have testing circuit to detect the implementation status of these orders, and report main control module by ARM7, guarantee the fail safe and the reliability of system's operation.

Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used as local functions such as parameter setting, data read, software upgrading that this equipment is carried out and uses.

As figure, described meter-reading module comprises the ARM7 control chip and is used to connect the RS232/RS485 circuit of ARM7 chip and central processing unit, is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with ARM7.The described interface circuit of checking meter comprises the combination of any one or a few communication modes in power line carrier, RS485 serial, wireless, the Zigbee network communication.

Described meter-reading function is finished in the past concentrator the data of descending each measuring terminal table is copied and accepted work.

As figure, this system is linked into by Ethernet interface and is applied to local electric power system Ethernet, and main control module is by Ethernet and the communication of electric power system control main website.

Described LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, and touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation, use the touch-screen replacing key-press, make operation more simple and convenient.

This system also is provided with GPRS/CDMA network communication module, and main control module can also pass through this module and controlling center communication.

This system also is provided with SD card unit, is used for logout and storage.

This system adopts three-phase alternating current work, also is furnished with UPS stand-by power supply and reserve battery.

This system also comprises clock circuit and the watchdog circuit that is connected with central processing unit.

Clock circuit is used for providing operating frequency and time parameter to central processing unit, it has adopted the RTC-4553 real-time timepiece chip, and the inner integrated quartz oscillator of 32.768kHz has been simplified peripheral circuit, and can carried out as required freely being provided with to obtain higher frequency; Be integrated with clock and calendar counter simultaneously; Can select 24 or 12 hours display modes; Clock can carry out 30 seconds adjustment at interval by software mode; And provide the commutator pulse of 0.1Hz or 1024Hz to export, so that clock accuracy is made regular check in the system outside.

Program reset when watchdog circuit is used for this systems soft ware fault.

Claims (9)

1, a kind of integrated control system for electricity distributing and metering is characterized in that: comprising:
Main control module comprises central processing unit and storage parameters memory of data;
Metering module, the distribution line and with voltage, the current signal of electric line of being used to sample after digital signal processor DSP is handled, sends central processing unit to;
Control module, be used for output to draw/switching signal gives power equipment, makes it operate a switch or close a floodgate, and simultaneously execution result detected, and judge whether correct operation, and pass testing result back main control module;
Meter-reading module with the main control module serial communication, is used to copy and accept the continuous data of each measuring terminal table;
Ethernet interface is linked into the electric power system Ethernet that is applied to this locality by this interface with described system, and main control module is by Ethernet and the communication of electric power system control main website;
Local communication interface comprises USB interface, RS232 interface, RS485 interface and infrared interface, can be used for this locality this system is carried out parameter setting, data read, software upgrading;
LCD demonstration/touch screen module, as man machine operation interface, LCD is used to show every continuous data, touch-screen is used for this integrated control system for electricity distributing and metering is carried out function selecting or data query operation.
2, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described meter-reading module comprises the ARM7 control chip and is used to connect the ARM7 chip and is connected the interface circuit of checking meter that is used to copy and accept each measuring terminal table data with the RS232/RS485 circuit of central processing unit, with ARM7.
3, integrated control system for electricity distributing and metering according to claim 2 is characterized in that: the described interface circuit of checking meter adopts the combination of any one or a few communication modes in power line carrier, RS485 serial, wireless, the Zigbee network communication.
4, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described control module comprises the ARM7 control chip and connects relay output control circuit and the switching signal input detecting circuit of this ARM7.
5, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described metering module comprises voltage, current sampling circuit and connected computation chip, digital signal processor DSP, and described computation chip also is connected with DSP.
6, integrated control system for electricity distributing and metering according to claim 1 is characterized in that: described central processing unit adopts the little process chip of ARM9.
7, integrated control system for electricity distributing and metering according to claim 6 is characterized in that: further comprise GPRS/CDMA network communication module, main control module is by this module and controlling center communication.
8, integrated control system for electricity distributing and metering according to claim 7, it is characterized in that: further comprise UPS stand-by power supply and battery, when feeder line fault can't normal power supply, ups power can be kept system's operate as normal, and malfunction is reported controlling center; When power circuit and the equal fault of ups power, give main control module, clock and GPRS/CDMA module by powered battery, make described system carry out fault alarm to controlling center.
9, integrated control system for electricity distributing and metering according to claim 8 is characterized in that: further comprise the SD card unit that is used for logout and energy data storage.
CNA2008100292733A 2008-07-02 2008-07-02 Integrated control system for electricity distributing and metering CN101335464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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CN101335464A true CN101335464A (en) 2008-12-31

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101944772A (en) * 2010-08-27 2011-01-12 北京华鑫志和科技有限公司 Multi-network integrated intelligent power grid system
CN102130505A (en) * 2011-03-09 2011-07-20 珠海博威微电子有限公司 High-voltage switch controller with metering function
CN102324786A (en) * 2011-08-17 2012-01-18 航天科工深圳(集团)有限公司 Virtual load management terminal and manufacturing method thereof
CN102427268A (en) * 2011-11-28 2012-04-25 苏州康开电气有限公司 Distributed energy storage peak shaving system
CN102437641A (en) * 2011-09-20 2012-05-02 淮阴工学院 3G-based remote power quality monitoring method
CN102522827A (en) * 2011-12-31 2012-06-27 国网信息通信有限公司 Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal
CN102708089A (en) * 2012-04-28 2012-10-03 四川省电力公司西昌电业局 WINCE embedded operating system for monitoring device of power quantity
CN101788812B (en) * 2009-12-30 2012-10-24 国家电网公司 Intelligent electrical appliance control device
CN102759672A (en) * 2012-06-11 2012-10-31 浙江省电力公司 Method for detecting states of control loops of electricity utilization collection terminals
CN102903222A (en) * 2011-07-27 2013-01-30 青岛高校信息产业有限公司 Multifunctional data acquisition controller
CN102957211A (en) * 2012-12-04 2013-03-06 施耐德万高(天津)电气设备有限公司 Energy and electric power monitoring device
CN103018551A (en) * 2012-12-13 2013-04-03 青岛乾程电子科技有限公司 Single-phase intelligent electric energy meter with ZigBee communication module
CN103033717A (en) * 2012-12-28 2013-04-10 安徽中兴继远信息技术股份有限公司 Oversampling distribution transformer terminal
CN103185835A (en) * 2013-03-28 2013-07-03 国家电网公司 Electric energy metering device with electric energy quality monitoring function
CN103199619A (en) * 2013-02-22 2013-07-10 西安众恒科技有限公司 Electric comprehensive monitoring device achieving Ad hoc network intelligent communication
CN103595136A (en) * 2013-11-21 2014-02-19 国网上海市电力公司 Energy management system of micro-grid
CN103794040A (en) * 2012-11-02 2014-05-14 苏州工业园区新宏博通讯科技有限公司 Collector with metering function
CN103839399A (en) * 2014-02-20 2014-06-04 国家电网公司 485 conversion carrier wave meter reading device and meter reading method
CN104316114A (en) * 2014-11-21 2015-01-28 国家电网公司 Intensive type touch screen intelligent power meter
CN104319898A (en) * 2014-11-13 2015-01-28 国家电网公司 Orderly power utility inquiring system of bilateral interaction
CN104635522A (en) * 2013-11-14 2015-05-20 国家电网公司 Power system safety control device and system
CN104698928A (en) * 2015-02-10 2015-06-10 国家电网公司 Data acquisition unit
CN104734342A (en) * 2013-12-20 2015-06-24 国家电网公司 Power consumption monitoring terminal
CN104734340A (en) * 2013-12-20 2015-06-24 国家电网公司 Power consumption monitoring terminal
WO2016015169A1 (en) * 2014-07-31 2016-02-04 Cam Chile S.A. Multi-purpose 3g communication interface
CN105467181A (en) * 2015-12-24 2016-04-06 刘永祥 Device and method used for short-message payment notification of resident charge urging meter
CN106655479A (en) * 2015-07-21 2017-05-10 深圳市奇辉电气有限公司 Distribution integration comprehensive monitoring terminal
CN108983731A (en) * 2018-08-21 2018-12-11 维尼健康(深圳)股份有限公司 A kind of wet tissue intelligent manufacturing system
CN109406871A (en) * 2018-09-07 2019-03-01 国网安徽省电力有限公司淮南供电公司 The data transferring method of metering system built in a kind of ring network cabinet

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788812B (en) * 2009-12-30 2012-10-24 国家电网公司 Intelligent electrical appliance control device
WO2011063593A2 (en) * 2010-08-27 2011-06-03 北京华鑫志和科技有限公司 Multi-network integration smart power grid system
CN101944772B (en) * 2010-08-27 2011-08-03 北京华鑫志和科技有限公司 Multi-network integrated intelligent power grid system
WO2011063593A3 (en) * 2010-08-27 2011-08-18 北京华鑫志和科技有限公司 Multi-network integrated smart power grid system
CN101944772A (en) * 2010-08-27 2011-01-12 北京华鑫志和科技有限公司 Multi-network integrated intelligent power grid system
CN102130505A (en) * 2011-03-09 2011-07-20 珠海博威微电子有限公司 High-voltage switch controller with metering function
CN102903222A (en) * 2011-07-27 2013-01-30 青岛高校信息产业有限公司 Multifunctional data acquisition controller
CN102324786A (en) * 2011-08-17 2012-01-18 航天科工深圳(集团)有限公司 Virtual load management terminal and manufacturing method thereof
CN102324786B (en) * 2011-08-17 2013-11-20 航天科工深圳(集团)有限公司 Virtual load management terminal and manufacturing method thereof
CN102437641A (en) * 2011-09-20 2012-05-02 淮阴工学院 3G-based remote power quality monitoring method
CN102427268A (en) * 2011-11-28 2012-04-25 苏州康开电气有限公司 Distributed energy storage peak shaving system
CN102522827A (en) * 2011-12-31 2012-06-27 国网信息通信有限公司 Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal
CN102522827B (en) * 2011-12-31 2014-06-18 国家电网公司 Intelligent integrated electricity-distributing method and device as well as intelligent integrated electricity-distributing terminal
CN102708089B (en) * 2012-04-28 2014-06-18 四川省电力公司西昌电业局 WINCE embedded operating system for monitoring device of power quantity
CN102708089A (en) * 2012-04-28 2012-10-03 四川省电力公司西昌电业局 WINCE embedded operating system for monitoring device of power quantity
CN102759672A (en) * 2012-06-11 2012-10-31 浙江省电力公司 Method for detecting states of control loops of electricity utilization collection terminals
CN103794040A (en) * 2012-11-02 2014-05-14 苏州工业园区新宏博通讯科技有限公司 Collector with metering function
CN102957211B (en) * 2012-12-04 2015-02-11 施耐德万高(天津)电气设备有限公司 Energy and electric power monitoring device
CN102957211A (en) * 2012-12-04 2013-03-06 施耐德万高(天津)电气设备有限公司 Energy and electric power monitoring device
CN103018551A (en) * 2012-12-13 2013-04-03 青岛乾程电子科技有限公司 Single-phase intelligent electric energy meter with ZigBee communication module
CN103033717A (en) * 2012-12-28 2013-04-10 安徽中兴继远信息技术股份有限公司 Oversampling distribution transformer terminal
CN103199619A (en) * 2013-02-22 2013-07-10 西安众恒科技有限公司 Electric comprehensive monitoring device achieving Ad hoc network intelligent communication
CN103185835B (en) * 2013-03-28 2015-12-02 国家电网公司 A kind of electric power meter with electric energy quality monitoring
CN103185835A (en) * 2013-03-28 2013-07-03 国家电网公司 Electric energy metering device with electric energy quality monitoring function
CN104635522A (en) * 2013-11-14 2015-05-20 国家电网公司 Power system safety control device and system
CN103595136A (en) * 2013-11-21 2014-02-19 国网上海市电力公司 Energy management system of micro-grid
CN104734340A (en) * 2013-12-20 2015-06-24 国家电网公司 Power consumption monitoring terminal
CN104734342A (en) * 2013-12-20 2015-06-24 国家电网公司 Power consumption monitoring terminal
CN103839399A (en) * 2014-02-20 2014-06-04 国家电网公司 485 conversion carrier wave meter reading device and meter reading method
WO2016015169A1 (en) * 2014-07-31 2016-02-04 Cam Chile S.A. Multi-purpose 3g communication interface
CN104319898A (en) * 2014-11-13 2015-01-28 国家电网公司 Orderly power utility inquiring system of bilateral interaction
CN104316114A (en) * 2014-11-21 2015-01-28 国家电网公司 Intensive type touch screen intelligent power meter
CN104698928A (en) * 2015-02-10 2015-06-10 国家电网公司 Data acquisition unit
CN106655479A (en) * 2015-07-21 2017-05-10 深圳市奇辉电气有限公司 Distribution integration comprehensive monitoring terminal
CN105467181A (en) * 2015-12-24 2016-04-06 刘永祥 Device and method used for short-message payment notification of resident charge urging meter
CN108983731A (en) * 2018-08-21 2018-12-11 维尼健康(深圳)股份有限公司 A kind of wet tissue intelligent manufacturing system
CN109406871A (en) * 2018-09-07 2019-03-01 国网安徽省电力有限公司淮南供电公司 The data transferring method of metering system built in a kind of ring network cabinet

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Open date: 20081231