CN101853564A - Wireless remote meter reading and electrical energy management system - Google Patents

Wireless remote meter reading and electrical energy management system Download PDF

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Publication number
CN101853564A
CN101853564A CN201010173190A CN201010173190A CN101853564A CN 101853564 A CN101853564 A CN 101853564A CN 201010173190 A CN201010173190 A CN 201010173190A CN 201010173190 A CN201010173190 A CN 201010173190A CN 101853564 A CN101853564 A CN 101853564A
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CN
China
Prior art keywords
electric energy
collector
meter
energy management
electrical energy
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Pending
Application number
CN201010173190A
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Chinese (zh)
Inventor
林森
张立华
李坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RIZHAO CITY YANG GUANG ELECTRICAL EQUIPMENT Ltd
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RIZHAO CITY YANG GUANG ELECTRICAL EQUIPMENT Ltd
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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Application filed by RIZHAO CITY YANG GUANG ELECTRICAL EQUIPMENT Ltd filed Critical RIZHAO CITY YANG GUANG ELECTRICAL EQUIPMENT Ltd
Priority to CN201010173190A priority Critical patent/CN101853564A/en
Publication of CN101853564A publication Critical patent/CN101853564A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a wireless remote meter reading and electrical energy management system, which belongs to the field of electrical energy management. The system comprises an electrical energy meter, an acquisition device taking charge of data acquisition and execution of the electrical energy meter, a cell concentrator taking charge of instruction transmission and wireless networking function and a computer for managing software and storing client data for a running background, wherein the electrical energy meter is connected with an acquisition end of the acquisition device through an output wire, and the cell concentrator is connected with the computer through a USB interface. The system greatly reduces the workload of power department workers, improves the efficiency, has higher accuracy, greatly lowers the costs for remote meter reading and electrical energy management, assists the application and popularization of the remote automatic management technology to a large degree, creates benefit for the state, and has more comprehensive function and more convenient use.

Description

A kind of wireless long-distance meter-reading and electric energy management system
Technical field
The present invention relates to the electric energy management field, especially a kind of wireless long-distance meter-reading and electric energy management system.
Background technology
In recent years, development in science and technology is maked rapid progress, and the electric power enterprise automaticity improves constantly.But the data of copying back of the electric quantity data of power department summary tables at different levels and load management system are underutilized, and the relevant parameter index of distribution network can not obtain automatically; Electric energy meter data message majority is still made a copy of by original manual type in the electricity consumption business, and various remote meter reading modes are restricted by technology or cost, and promotion rate is slow; Along with being on the increase of client's quantity, the popularization that particularly Every household has an ammeter, the workload that power supply department is made a copy of client's electric weight is multiplied.These become the problem that power supply enterprise presses for solution.
Summary of the invention
Technical assignment of the present invention is at the deficiency in the above-mentioned technology, and a kind of wireless long-distance meter-reading and electric energy management system are provided.
Technical solution technical scheme that problem adopts of the present invention is: a kind of wireless long-distance meter-reading and electric energy management system, comprise electric energy meter, collector, sub-district concentrator and computing machine, wherein electric energy meter links to each other with the collection terminal of collector by output line, and the sub-district concentrator is connected with computing machine by USB interface.
Described electric energy meter meets " DL/T 645-1997 multifunctional electric energy meter communication protocol ", 485 output lines of electric energy meter link to each other with the collection terminal of collector, and collector can automatically and electric energy meter connects and relevant data is stored in the Flash storer that carries like this.
Described collector is selected the MSP430 series monolithic of TI company for use, and this series monolithic has watchdog circuit, can automatically reset in program fleet.All be connected with the Zigbee module on each collector, be used for receiving and sending data, collector is in dormant state at ordinary times, and when receiving instruction, collector is waken up and carries out corresponding operation, and each collector can add separately or delete.Described in addition collector can be selected for use does not has outage, send the electric control function, such collector can connect 64 tunnel 485 signal electric energy meters at most, also can adopt the collector of realizing cutting off the power supply, sending the electric work energy by the control magnetic latching relay, such collector can connect 16 tunnel 485 signal electric energy meters at most, to realize that defaulting subscriber or multiplexing electric abnormality user stopped sending electric control.
All be provided with address code on described electric energy meter and the collector, and different, described electric energy meter and collector are one-to-one relationship.All electric energy meters, collector are all set up archives in the system, comprise householder's information of electric energy meter, the corresponding relation of electric energy meter and collector, and information such as replacing and system maintenance are convenient to maintenance management in the future.
Be connected with the Zigbee module on the concentrator of described sub-district, be used for the instruction that supervisory computer sends is forwarded to corresponding collector, and data and the execution result that collector collects turned back to host computer, be responsible for the establishment and the optimization Route Selection of whole wireless network simultaneously, in network, there is former collector to withdraw from or new collector adds fashionable, concentrator can be adjusted automatically, set up new optimization route, make host computer face a complete transparent net, described in addition sub-district concentrator is connected by the USB interface power supply and with computing machine, and leave the RS232 serial ports, can with the GPRS module wireless connections with teletransmission function, realize the more establishment of large-scale electric energy management system.
Described computing machine is provided with the software based on the Delphi+SQL Server pattern of SQL Server database technology, and is provided with disclosed interface.
Described ZIGBEE data transmission in network adopts 128 bit encryption algorithms and data integrity inspection, the automatic forgo data of meeting in error in data, and gather again, and ZIGBEE employing unlicensed band, can effectively avoid interference signal.Described unlicensed band is 2.4GHz (whole world), or 868MHz (Europe), or 915MHz (U.S.).
Leave GSM and write by hand device interface in the described system.Can increase the establishment that gsm module is realized data remote and large scale network according to client's needs, can also increase the write by hand device, realize flexibly management and fault diagnosis easily.
The beneficial effect that the present invention can bring is:
1, significantly reduced power department staff's workload, improved efficient, and accuracy has been high.
2, greatly reduced the expense of remote meter reading and electric energy management,, be national create beneficial result helping the application and the popularization of remote automation administrative skill to a great extent.
3, function is comprehensive more, use is convenient.
Description of drawings
Accompanying drawing is a main composition structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done following detailed description:
As shown in the figure, a kind of wireless long-distance meter-reading and electric energy management system that the present invention announced, comprise electric energy meter 1, collector 2, sub-district concentrator 3 and computing machine 4, wherein electric energy meter 1 links to each other with the collection terminal of collector 2 by output line 6, and sub-district concentrator 3 is connected with computing machine 4 by USB interface.
Wherein electric energy meter 1 meets " DL/T 645-1997 multifunctional electric energy meter 1 communication protocol ", 485 output lines 6 of electric energy meter 1 link to each other with the collection terminal of collector 2, and collector 2 can automatically and electric energy meter 1 connects and relevant data is stored in the Flash storer that carries like this.Described collector 2 is selected the MSP430 series monolithic of TI company for use, and this series monolithic has watchdog circuit, can automatically reset in program fleet.(this module is a prior art all to be connected with the Zigbee module on each collector 2, be not going to repeat), be used for receiving and sending data, collector 2 is in dormant state at ordinary times, when receiving instruction, collector 2 is waken up and carries out corresponding operation, and each collector 2 can add separately or delete.Described in addition collector 2 can be selected for use does not has outage, send the electric control function, such collector 2 can connect 64 tunnel 485 signal electric energy meters 1 at most, also can adopt the collector 2 of realizing cutting off the power supply, sending the electric work energy by the control magnetic latching relay, such collector 2 can connect 16 tunnel 485 signal electric energy meters 1 at most, to realize that defaulting subscriber or multiplexing electric abnormality user stopped sending electric control.
All be provided with address code on described electric energy meter 1 and the collector 2 simultaneously, and different, described electric energy meter 1 is an one-to-one relationship with collector 2.All electric energy meters 1, collector 2 are all set up archives in the system, comprise householder's information of electric energy meter 1, the corresponding relation of electric energy meter 1 and collector 2, and information such as replacing and system maintenance all are stored in SQL Server database, are convenient to maintenance management in the future.
Be connected with the Zigbee module on the described sub-district concentrator 3, be used for the instruction that supervisory computer 4 sends is forwarded to corresponding collector 2, and data and the execution result that collector 2 collects turned back to host computer, be responsible for the establishment and the optimization Route Selection of whole wireless network simultaneously, in network, there is former collector 2 to withdraw from or new collector 2 adds fashionable, concentrator can be adjusted automatically, set up new optimization route, make host computer face a complete transparent net, described in addition sub-district concentrator 3 is connected by the USB interface power supply and with computing machine 4, and leave the RS232 serial ports, can with GPRS module 5 seamless links with teletransmission function, realize the more establishment of large-scale electric energy management system.
Aspect safety practice, the first, collector 2 is selected the MSP430 series monolithic of TI company for use, and this series monolithic has watchdog circuit, can automatically reset in program fleet;
The second, data check mechanism is carried out in the communication in the wireless network, the automatic forgo data of meeting in error in data, and gather again;
The 3rd, the ZIGBEE data transmission in network adopts up-to-date 128 bit encryption algorithms and data integrity inspection, the automatic forgo data of meeting in error in data, and gather again, ZIGBEE adopts the 2.4GHz high frequency band, can effectively avoid interference signal;
The 4th, the database of depositing electric energy meter 1 reading is a SQL Server database, has automated back-up and fault recovery function, and divides multistage authority to the operation of this database.On the computing machine 4 that is provided with based on the software of the Delphi+SQL Server pattern of SQL Server database technology, be provided with disclosed interface, the user can pass through the interface accessing database, but the user of different identity has different authorities, the user accesses data storehouse all can stay detailed journal file simultaneously, when discovery has illegal operation to database, can search the person liable and pass through the Backup Data restore database by journal file.
Wireless long-distance meter-reading provided by the present invention and electric energy management system are owing to well utilized the software of zigbee technology and Delphi+SQL Server pattern, and it is also very convenient to move.Computing machine 4 can inquiry system in the current data and the running status of any electric energy meter 1, and can carry out intellectual analysis to data, when multiplexing electric abnormality or electric energy meter 1 fault occurring, can in time take measures; For the defaulting subscriber, also can realize long-range outage, and calculate overdue fine according to set rate, after the user hands in the electricity charge retroactively, long-range again sending, certainly for financial problem, native system can accomplish that also------is if administrative center charges voluntarily, native system can generate the charge form automatically, and prints receipt, can print the inquiry form according to client's needs, and have pay charge way statistics and unpaid expense family statistical function, if entrust the other unit collection charges, native system can provide safe financial software interface for collection charges unit, and the real-time exchanges data of carrying out; Change knot function and also support simultaneously on a large scale group to copy and the timing meter reading function having charge reconciliation and charge, and can change the timing meter reading duration as required, copy the ammeter data of getting and deposit database automatically in, and carry out data backup work.
Native system also has powerful extensibility: at first, leave GSM and write by hand device interface in the system,, can increase the establishment that gsm module is realized data remote and large scale network according to client's needs, the write by hand device be can also increase, management and fault diagnosis easily realized flexibly.Secondly, the node that increases newly as long as the arbitrary node in the energy calcaneus rete network connects, just can be linked network, carries out normal data communication.
At last, employing ZIGBEE technology is set up WLAN (wireless local area network), also possesses following advantage, and------is low in energy consumption, and two joint general dry batteries can use 12 months to 2 years, had removed the trouble of frequent charge or replacing battery from; ZIGBEE technical data transfer rate is low, and agreement is simple, greatly reduces hardware cost; Network capacity is big: each ZIGBEE network can be supported 65000 nodes at most; Networking is simple: the support hardware automatic network-building, and after the node in the network changes, system's networking and carry out optimal route selection again.

Claims (6)

1. wireless long-distance meter-reading and electric energy management system, it is characterized in that: comprise electric energy meter, collector, sub-district concentrator and computing machine, wherein electric energy meter links to each other with collector by output line, and the sub-district concentrator is connected with computing machine by USB interface.
2. a kind of wireless long-distance meter-reading according to claim 1 and electric energy management system, it is characterized in that: described collector is one or more, be the MSP430 series monolithic, all be connected with the Zigbee module on each collector, and each collector can add separately or delete.
3. a kind of wireless long-distance meter-reading according to claim 1 and electric energy management system, it is characterized in that: described electric energy meter is one or more, and all be provided with address code on each electric energy meter and the collector, different, described each electric energy meter all has corresponding collector to be attached thereto simultaneously.
4. a kind of wireless long-distance meter-reading according to claim 1 and electric energy management system, it is characterized in that: described sub-district concentrator is one or more, be connected with the Zigbee module, described sub-district concentrator is connected by the USB interface power supply and with computing machine, or leaves RS232 serial ports and the wireless connections of GPRS module on the concentrator of sub-district.
5. a kind of wireless long-distance meter-reading according to claim 1 and electric energy management system is characterized in that: described computing machine is provided with the software based on the Delphi+SQL Server pattern of SQL Server database technology, and is provided with open interface.
6. a kind of wireless long-distance meter-reading according to claim 1 and electric energy management system is characterized in that: be provided with GSM and write by hand device interface in the described system.
CN201010173190A 2010-04-28 2010-04-28 Wireless remote meter reading and electrical energy management system Pending CN101853564A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102347972A (en) * 2011-05-24 2012-02-08 中国电力科学研究院 Non-contact type device in rural grid power distribution station area and using method thereof
CN102694659A (en) * 2012-05-28 2012-09-26 华中科技大学 System capable of realizing wireless passthrough of Ad Hoc network USB port data
CN102752882A (en) * 2012-05-28 2012-10-24 华中科技大学 System capable of achieving ad hoc network serial port data wireless transparent transmission
CN103413412A (en) * 2013-07-26 2013-11-27 国家电网公司 Portable wireless meter reading system with CH371-based USB interface
CN104994161A (en) * 2015-07-06 2015-10-21 福建神州电子股份有限公司 Smart electric meter remote real-time management system
CN105139616A (en) * 2015-09-07 2015-12-09 国网山东胶州市供电公司 Remote metering system based on plurality of network technologies
CN105719453A (en) * 2016-01-27 2016-06-29 董冬 Meter reading management method
CN106600936A (en) * 2016-12-30 2017-04-26 武汉盛帆智能科技有限公司 Centralized multi-meter reading method and device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101154312A (en) * 2006-09-29 2008-04-02 华立仪表集团股份有限公司 Automatic meter reading system based on ZigBee technology
CN201270086Y (en) * 2008-10-15 2009-07-08 宁波三星电气股份有限公司 Automatic meter reading system
CN201689131U (en) * 2010-04-28 2010-12-29 日照市阳光电器有限公司 Wireless long-distance meter-reading and electric energy management system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101154312A (en) * 2006-09-29 2008-04-02 华立仪表集团股份有限公司 Automatic meter reading system based on ZigBee technology
CN201270086Y (en) * 2008-10-15 2009-07-08 宁波三星电气股份有限公司 Automatic meter reading system
CN201689131U (en) * 2010-04-28 2010-12-29 日照市阳光电器有限公司 Wireless long-distance meter-reading and electric energy management system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102347972A (en) * 2011-05-24 2012-02-08 中国电力科学研究院 Non-contact type device in rural grid power distribution station area and using method thereof
CN102694659A (en) * 2012-05-28 2012-09-26 华中科技大学 System capable of realizing wireless passthrough of Ad Hoc network USB port data
CN102752882A (en) * 2012-05-28 2012-10-24 华中科技大学 System capable of achieving ad hoc network serial port data wireless transparent transmission
CN103413412A (en) * 2013-07-26 2013-11-27 国家电网公司 Portable wireless meter reading system with CH371-based USB interface
CN104994161A (en) * 2015-07-06 2015-10-21 福建神州电子股份有限公司 Smart electric meter remote real-time management system
CN105139616A (en) * 2015-09-07 2015-12-09 国网山东胶州市供电公司 Remote metering system based on plurality of network technologies
CN105719453A (en) * 2016-01-27 2016-06-29 董冬 Meter reading management method
CN106600936A (en) * 2016-12-30 2017-04-26 武汉盛帆智能科技有限公司 Centralized multi-meter reading method and device

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