CN102468690B - Distribution-transforming centralized meter-reading monitoring terminal - Google Patents
Distribution-transforming centralized meter-reading monitoring terminal Download PDFInfo
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Abstract
The invention relates to a distribution-transforming centralized meter-reading monitoring terminal. The terminal comprises a distribution room, a remote control relay, and a background main station managing system and further comprises a concentrator with wireless communication function, wherein a collector, an acquisition terminal or an acquisition module, and an intelligent electric meter have wireless communication function; the concentrator automatically reads and stores each intelligent instrument with wireless communication function through a downlink communication channel, each acquisition terminal or acquisition module acquires the electric quantity data of the wireless communication terminal; and the acquired data is exchanged with the data of the background main station through an uplink wireless communication channel. When the distribution room has power fault, the concentrator arranged in the distribution room lights up a warning light of the concentrator after the fault information is detected in the first time, and sends the wireless information to a computer of the background main station.
Description
Technical field
The present invention relates to a kind of power control unit field, refer to especially a kind of distribution-transforming centralized meter-reading monitoring terminal.
Background technology
Remote electric power metering system is a kind of important selection measure that various electric quantity datas were managed, analyzed, process to power department now.This system generally comprises user side kilowatt-hour meter, concentrator and three parts of background management system and forms.
The general work principle of existing this type systematic is that concentrator is accepted the control command of background management system, and concentrator is preserved and be sent to the information of user side kilowatt-hour meter collection, then is uploaded data to the activity of background management system by each concentrator.
Now this type systematic has extensively utilized the embedded technology scheme to realize the running of this system, and in prior art, concentrator is the pith of this system.Although this system has realized networked operation at aspects such as communications in the prior art.But what this system had only copies low-voltage customer ammeter data function for collection, only can provide to power department management, analysis and the deal with data of electric weight.
In existing electric administrative department, in all task, managing electric quantity, analysis and processing electric quantity data are only aspects of its task, and monitoring power distribution is also one of task of electric administrative department.And present stage, electric administrative department can only can complete its above-mentioned task by two covers or the above device of two covers, this has not only increased workload and maintenance cost that the cost dropped into has also strengthened each power department, in order effectively to reduce expense, increase work efficiency, reducing equipment when realizing task is one of purpose of the present invention.
Simultaneously, utilize present mobile communication technology, wireless routing ad hoc network and GPRS public radio communication network technology, realize that low voltage resident centralized meter reading and monitoring power distribution function are also one of purposes of the present invention.
Summary of the invention
One of purpose of the present invention is to utilize present mobile communication technology, based on wireless routing ad hoc network and GPRS public radio communication network technology and realize low voltage resident centralized meter reading and monitoring power distribution function in conjunction with computer technology.
Another object of the present invention is that low pressure electricity consumption of resident handling facility is united two into one with the monitoring power distribution facility, when raising the efficiency, reduces the cost of each side.
The present invention realizes by following technology:
Distribution-transforming centralized meter-reading monitoring terminal includes, and has intelligent instrument, acquisition terminal or the acquisition module of radio communication function, and switchgear house has the concentrator of radio communication function, background management system.
The concentrator that has radio communication function in described distribution-transforming centralized meter-reading monitoring terminal includes the compositions such as clock module, memory module, communication module, wireless routing module, main control unit module and power module, work clock, reseting module, RS232 driver, Ethernet driver, GPRS/FLASH/SDRAM/JTAG interface, alarm communication system and alarm lamp.
The communication module of concentrator includes module and the corresponding communication interfaces such as electric line carrier communication, telephonic communication, RS485 communication, RS232 communication, GPRS communication.
Switchgear house, on the basis of universal power distribution chamber, is provided with wireless low-voltage collecting meter reading concentrator and remote control tripping relay.
Background management system mainly is comprised of computer and the corresponding software of controlling.
In the present invention, distribution-transforming centralized meter-reading monitoring terminal is realized by following technology, concentrator is is automatically copied and accepted and is stored various intelligent instrument, each acquisition terminal or acquisition modules with wireless communication function and gathers the electric quantity data of wireless communication terminal by the downgoing communication passage, and by the up-link wireless communication channel of concentrator, the data of collection and backstage main website is carried out to exchanges data.
The present invention realizes by following technology aspect Monitoring and Controlling realizing, the radio concentrator be arranged in switchgear house is monitored switchgear house according to forceful electric power and switching signal etc., and manages according to the data that monitor.When switchgear house generation power failure, be arranged on the concentrator of switchgear house after the very first time detects fault message, at first light the alarm lamp of concentrator and send the computer of wireless messages to the backstage main website, the staff can send to the information of main website carry out the reason of analysis of failure and fault is got rid of according to concentrator.Concentrator can be monitored the electric charge of transmission line in switchgear house simultaneously, sends monitoring information to main website simultaneously, and by giving to information analysis and by concentrator, distribution indoor remote control tripping relay cuts off the power supply and power transmission is controlled in main website.Concentrator has reading electric meter, rate of qualified voltage and unbalance factor measuring ability simultaneously, and the staff can grasp electric power thus supplied in time.The remote control tripping relay that concentrator is controlled can be bound with any warning, the interlock that tripped when alarm generation, thus avoided because the faults such as phase shortage cause the problem of damaging load equipment.
The backstage main website realizes by following technology management control and the exchanges data of concentrator:
The clock that concentrator can receive main website call together survey and to the time order, to be no more than ± 3s of time error, clock is walked time error and is no more than 0.5S/d, after the power supply dead electricity, clock can keep working.
Concentrator can by main website setting and inquiry concentrator numbering, with the concentrator parameter such as master station communication address.
The concentrator parameters of checking meter such as day, the time interval of checking meter of being checked meter by main website setting and inquiry.
Concentrator can arrange and preserve covered collector data
Concentrator setting storage are also divided into relevant table meter data
Concentrator can be divided into task parameters and tasks carrying interval and be stored and carry out by main website
Concentrator carries out initialization to hardware, parameter region, data field respectively after receiving the initialization command that main website issues, and parameter region is set to default value, the data field zero clearing.
The wireless telecommunications of distribution-transforming centralized meter-reading monitoring terminal of the present invention realize by following technology:
Adopt advanced GPRS wireless telecommunications net mode to carry out transfer of data.The embedded GPRS wireless data communication module of concentrator, it utilizes China Mobile's wireless data service to carry out the concentrator data reading system.The GPRS net is the all-digital network covered a wide range, and possesses the plurality of advantages that the voice-and-data service is provided, and comprises the lower error rate and extremely low cost.Network is all had in China Mobile in the whole country, and can realize whole nation roaming.Concentrator is the acquisition terminal of whole system, it is also the maincenter of whole system image data, between master station computer and concentrator, by the GPRS wireless network, contact, the various operational orders that acquisition terminal receives on the one hand from master station computer return to master station computer by the various information of acquisition terminal on the other hand, also store data and the relevant parameters of jurisdiction table meter simultaneously, and there is timing and copy and accept in real time concentrator or intelligent meter data, the functions such as operating state of real time monitoring concentrator, collector or intelligent meter.
The present invention collection copies that the collection of monitoring terminal is copied data acquisition, data are processed by following technology and realized:
Summary table: by the RS485 bus can copy be taken to many two with the RS485 communication interface, meet multifunctional electric energy meter or the single-phase meter of People's Republic of China's power industry standard " DL/T645-1997 multifunctional electric energy meter communication protocol ".The mode of connection of electric energy meter, as be single-phase, can only copied and get the meritorious total electric energy one item number certificate of forward; As can be automatically gathered the information such as electric current, voltage, energy data, maximum demand and time thereof in metering device, active power, reactive power, power factor, history of forming curve for phase three-wire three and the three-phase and four-line mode of connection.Concentrator be take the minimum of system setting and is checked meter the time interval as the cycle, and summary table is carried out to data acquisition and storage, and calls together while surveying and send to main website in main website, and the electric energy meter data of concentrator record are consistent with the corresponding data of connected electric energy meter demonstration.
Sublist: connect ammeter by collector is lower.Concentrator can arrange maximum 94 collectors (1～No. 94), and 31 electric energy meters at the most can be set under each collector.Can copy in real time and get the sublist energy data or regularly copy and get, regularly copy to get with task and realize, while in main website, calling survey together, can send data back to main website, the electric energy meter data of concentrator record are consistent with the corresponding data that connected electric energy meter shows.
Concentrator provides multiple timing working mode: timing meter reading, timing uploading data etc.
Collection is copied the concentrator of function and is supported at the most 95 tasks, and realizes copying and accepting in real time function.
Preserve the initial data of checking meter of every day.Can effectively preserve and count to arrange the time that data are preserved according to task.Be stored in the initial data in terminal, power down is not lost.
Concentrator during to each circulation copy reading the collector of copy reading failure there is automatic makeup and copy function: whole copy reading collectors and under electric energy meter, mend the collector of the failure of checking meter and copy successfully to mending.And copy and accept in real time at the appointed time unsuccessful or tasks carrying process and copy and accept unsuccessfully, concentrator can initiatively report warning to main website.It is abnormal that concentrator detects distribution etc., can relevant warning the storage of active reporting.
Terminal hardware house dog, power down protection and the self-starting that powers on; Gather and record concentrator, collector and ammeter abnormal conditions (as power down, switch gate, copy and accept unsuccessful etc.).
Can carry out data backup, upgrade maintenance by GPRS passage, USB, RS-485, program remote upgrading and parameters change maintenance etc.
The monitoring function of distribution-transforming centralized meter-reading monitoring terminal is achieved in the following ways:
The type of alarm that can monitor:
1) terminal power down
2) distribution board high pressure power failure (grid power blackout), disconnected phase
3) distribution board low pressure (master switch side) power failure, disconnected phase
4) the circuit leak current fault is divided on 3 tunnels
5) circuit power failure, disconnected phase are divided in 3 tunnels
6) total, 3 tunnels divide circuit off zero
7) batch meter is opened
Monitoring, alarming realizes according to above-mentioned priority orders, and the warning that priority is high shields other warning messages lower than its priority.If the batch meter chamber door, in open mode, except instant " illegal unpacking " reports to the police, has warning reminding every morning.
The wireless automatic control of switchgear house monitoring terminal is controlled according to following warning the time automatically: relay is according to actual conditions and following alarm linkage, when the warning that appointment occurs, linkage relay immediately.
1) distribution board high-pressure phase failure
2) the low sampling open-phase of distribution board
3) divide circuit 1 disconnected phase
4) divide circuit 2 disconnected phase
5) divide circuit 3 disconnected phase
6) total fault off zero
7) divide circuit 1 off zero
8) divide circuit 2 off zero
9) divide circuit 3 off zero
Concentrator carries out electric current, voltage monitoring to the circuit of switchgear house:
The balance of the on-the-spot three-phase current of Real-Time Monitoring, monitored, reported to the police according to the alarm threshold value of setting.
The parameter of threshold value can be set: load current value, the initial rated current ratio of judgement current imbalance rate, current imbalance rate alarm threshold value, current imbalance rate judgement delay time, current imbalance rate are reported to the police and are recovered threshold value, current imbalance rate recovery warning delay time.
It minute is statistical unit that terminal be take, the rate of qualified voltage information on statistics same day, and retain the rate of qualified voltage information of the previous day.
The rate of qualified voltage information content: the A/B/C three-phase is added up respectively following information: total statistics number, super upper limit number of times, super lower limit number of times; Rate of qualified voltage, disqualification rate, disqualification rate on the lower side on the upper side; Day maximum voltage value and time of origin; Day minimum voltage value and time of origin; Per day magnitude of voltage.
Rate of qualified voltage bound threshold value can arrange: acquiescence 198V--235V.
The accompanying drawing explanation
Fig. 1: be the operation principle schematic diagram of distribution-transforming centralized meter-reading monitoring terminal
Fig. 2: be distribution-transforming centralized meter-reading monitoring terminal casing front view
Fig. 3: be the right view of wireless low pressure concentrator side panel
Fig. 4: be the left view of wireless low pressure concentrator side panel
Fig. 5: be wireless low pressure concentrator panel front view
Fig. 6: be distribution board low-voltage load alert detecting schematic diagram
1, concentrator is installed fixing hole 2, concentrator alarm lamp 3, operation, service switch
31, run indicator 32, maintenance indicator light 4, concentrator casing
5, switchgear house operator lock 6, main circuit breaker 7, switchgear house contactor
8, leakage relay 9, slabstone disconnecting link 10, SIM card seat
11, from route wave point 12, GPRS interface 13, terminal board
Embodiment
In order to be described more specifically content of the present invention, with reference to accompanying drawing, for implementation process of the present invention and mode, be elaborated.
Be illustrated in figure 1 operation principle schematic diagram of the present invention, as Fig. 2 is casing front view of the present invention, as Fig. 3 right view that is concentrator side panel of the present invention, as Fig. 4 left view that is concentrator side panel of the present invention, as Fig. 5 is concentrator panel front view of the present invention, as Fig. 6 is distribution board low-voltage load alert detecting schematic diagram of the present invention.
Distribution-transforming centralized meter-reading monitoring terminal includes, and has intelligent instrument, acquisition terminal or the acquisition module of radio communication function, and switchgear house has the concentrator of radio communication function, background management system.
The concentrator that has radio communication function in described distribution-transforming centralized meter-reading monitoring terminal includes clock module, memory module, communication module, main control unit module and power module, work clock, reseting module, RS232 driver, Ethernet driver, from compositions such as route wave point (11), GPRS interface (12), FLASH/SDRAM/JTAG interface, alarm communication system and alarm lamps (2).
The communication module of concentrator includes module and the corresponding communication interfaces such as electric line carrier communication, telephonic communication, RS485 communication, RS232 communication, GPRS communication.
With reference to accompanying drawing 6, switchgear house, on the basis of universal power distribution chamber, is provided with low-voltage collecting meter reading concentrator and remote control tripping relay.
Background management system mainly is comprised of computer and the corresponding software of controlling.
In the present invention, distribution-transforming centralized meter-reading monitoring terminal is realized by following technology, concentrator is is automatically copied and accepted and is stored various intelligent instrument, each acquisition terminal or acquisition modules with wireless communication function and gathers the electric quantity data of wireless communication terminal by the downgoing communication passage, and by the up-link wireless communication channel of concentrator, the data of collection and backstage main website is carried out to exchanges data.
With reference to accompanying drawing 1, accompanying drawing 5, accompanying drawing 6, the present invention realizes by following technology aspect Monitoring and Controlling realizing, the radio concentrator be arranged in switchgear house is monitored switchgear house according to forceful electric power and switching signal etc., and manages according to the data that monitor.When switchgear house generation power failure, be arranged on the concentrator of switchgear house after the very first time detects fault message, at first light the alarm lamp (2) of concentrator and send the computer of wireless messages to the backstage main website, the staff can send to the information of main website carry out the reason of analysis of failure and fault is got rid of according to concentrator.Concentrator can be monitored the electric charge of transmission line in switchgear house simultaneously, sends monitoring information to main website simultaneously, and by giving to information analysis and by concentrator, distribution indoor remote control tripping relay cuts off the power supply and power transmission is controlled in main website.Concentrator has reading electric meter, rate of qualified voltage and unbalance factor measuring ability simultaneously, and the staff can grasp electric power thus supplied in time.The remote control tripping relay of concentrator can be bound with any warning, the interlock that tripped when alarm generation, thus avoided because the faults such as phase shortage cause the problem of damaging load equipment.
The backstage main website realizes by following technology management control and the exchanges data of concentrator:
The clock that concentrator can receive main website call together survey and to the time order, to be no more than ± 3s of time error, clock is walked error and is no more than 0.5S/d, after the power supply dead electricity, clock can keep working.
Concentrator can by main website setting and inquiry concentrator numbering, with the concentrator parameter such as master station communication address.
The concentrator parameters of checking meter such as day, the time interval of checking meter of being checked meter by main website setting and inquiry.
Concentrator can arrange and preserve covered collector data
Concentrator setting storage are also divided into relevant table meter data
Concentrator can be divided into task parameters and tasks carrying interval and be stored and carry out by main website
Concentrator carries out initialization to hardware, parameter region, data field respectively after receiving the initialization command that main website issues, and parameter region is set to default value, the data field zero clearing.
The wireless telecommunications of distribution-transforming centralized meter-reading monitoring terminal of the present invention realize by following technology:
Adopt advanced GPRS wireless telecommunications net mode to carry out transfer of data.The embedded GPRS wireless data communication module of concentrator, it utilizes China Mobile's wireless data service to carry out the concentrator data reading system.Network is all had in China Mobile in the whole country, and can realize whole nation roaming.Concentrator is the acquisition terminal of whole system, it is also the maincenter of whole system image data, between master station computer and concentrator, by the GPRS wireless network, contact, the various operational orders that acquisition terminal receives on the one hand from master station computer return to master station computer by the various information of acquisition terminal on the other hand, also store data and the relevant parameters of jurisdiction table meter simultaneously, and there is timing and copy and accept in real time concentrator or intelligent meter data, the functions such as operating state of real time monitoring concentrator, collector or intelligent meter.
The collection of distribution-transforming centralized meter-reading monitoring terminal of the present invention is copied data acquisition, data are processed by following technology and realized:
Summary table: by the RS485 bus can copy be taken to many two with the RS485 communication interface, meet multifunctional electric energy meter or the single-phase meter of People's Republic of China's power industry standard " DL/T645-1997 multifunctional electric energy meter communication protocol ".The mode of connection of electric energy meter, as be single-phase, can only copied and get the meritorious total electric energy one item number certificate of forward; As can be automatically gathered the information such as electric current, voltage, energy data, maximum demand and time thereof in metering device, active power, reactive power, power factor, history of forming curve for phase three-wire three and the three-phase and four-line mode of connection.Concentrator be take the minimum of system setting and is checked meter the time interval as the cycle, and summary table is carried out to data acquisition and storage, and calls together while surveying and send to main website in main website, and the electric energy meter data of concentrator record are consistent with the corresponding data of connected electric energy meter demonstration.
Sublist: connect ammeter by collector is lower.Concentrator can arrange maximum 94 collectors (1～No. 94), and 31 electric energy meters at the most can be set under each collector.Can copy in real time and get the sublist energy data or regularly copy and get, regularly copy to get with task and realize, while in main website, calling survey together, can send data back to main website, the electric energy meter data of concentrator record are consistent with the corresponding data that connected electric energy meter shows.
Concentrator provides multiple timing working mode: timing meter reading, timing uploading data etc.
Collection is copied the concentrator of function and is supported at the most 95 tasks, and realizes copying and accepting in real time function.
Preserve the initial data of checking meter of every day.Can effectively preserve and count to arrange the time that data are preserved according to task.Be stored in the initial data in terminal, power down is not lost.
Concentrator during to each circulation copy reading the collector of copy reading failure there is automatic makeup and copy function: whole copy reading collectors and under electric energy meter, mend the collector of the failure of checking meter and copy successfully to mending.And copy and accept in real time at the appointed time unsuccessful or tasks carrying process and copy and accept unsuccessfully, concentrator can initiatively report warning to main website.It is abnormal that concentrator detects distribution etc., can relevant warning the storage of active reporting.
Can carry out data backup, upgrade maintenance by GPRS passage, USB, RS-485, program remote upgrading and parameters change maintenance etc.
The monitoring function of distribution-transforming centralized meter-reading monitoring terminal is achieved in the following ways:
The type of alarm that can monitor:
1) terminal power down
2) distribution board high pressure power failure (grid power blackout), disconnected phase
3) distribution board low pressure (master switch side) power failure, disconnected phase
4) the circuit leak current fault is divided on three tunnels
5) circuit power failure, disconnected phase are divided in three tunnels
6) Zong, tri-tunnels divide circuit off zero
7) batch meter is opened
Monitoring, alarming realizes according to above-mentioned priority orders, and the warning that priority is high shields other warning messages lower than its priority.If the batch meter chamber door is in open mode, except instant " illegal unpacking " reports to the police, every morning, 7:40 had warning reminding.
The wireless automatic control of switchgear house monitoring terminal is controlled according to following warning the time automatically: relay is according to actual conditions and following alarm linkage, when the warning that appointment occurs, linkage relay immediately.
1) distribution board high-pressure phase failure
2) the low sampling open-phase of distribution board
3) divide circuit 1 disconnected phase
4) divide circuit 2 disconnected phase
5) divide circuit 3 disconnected phase
6) total fault off zero
7) divide circuit 1 off zero
8) divide circuit 2 off zero
9) divide circuit 3 off zero
Concentrator carries out electric current, voltage monitoring to the circuit of switchgear house:
The balance of the on-the-spot three-phase current of Real-Time Monitoring, monitored, reported to the police according to the alarm threshold value of setting.
The parameter of threshold value can be set: load current value, the initial rated current ratio of judgement current imbalance rate, current imbalance rate alarm threshold value, current imbalance rate judgement delay time, current imbalance rate are reported to the police and are recovered threshold value, current imbalance rate recovery warning delay time.
It minute is statistical unit that terminal be take, the rate of qualified voltage information on statistics same day, and retain the rate of qualified voltage information of the previous day.
The rate of qualified voltage information content: the A/B/C three-phase is added up respectively following information: total statistics number, super upper limit number of times, super lower limit number of times; Rate of qualified voltage, disqualification rate, disqualification rate on the lower side on the upper side; Day maximum voltage value and time of origin; Day minimum voltage value and time of origin; Per day magnitude of voltage.
Rate of qualified voltage bound threshold value can arrange: acquiescence 198V--235V.
The function of concentrator indicator light:
Operation (redness): the working power indicator light, bright while powering on.
Maintenance (green): the maintenance indicator light, when switch is got to service mode, lamp is bright.
1-23 (redness): alarm lamp, while corresponding alarm signal being detected, indicator light is bright.
After concentrator powers on, running indicator is long bright.Indicator light cycle is turn-taked and is lighted simultaneously, and now concentrator is in the initialization network connection state.After initialization completes, concentrator stops turn-take bright light and all lamps of circulation and goes out, and enters normal operating conditions.In normal operation, as alarm signal detected corresponding alarm lamp is bright.
If alarm lamp is in the illuminating state of turn-taking that circulates all the time, please check whether SIM card (10) is plugged, or whether SIM card is handy, and whether antenna connects.
Finally it should be noted that: above embodiment is the unrestricted technical scheme described in the invention in order to the present invention to be described only; Therefore, although this specification has been described in detail the present invention with reference to the above embodiments,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. a distribution-transforming centralized meter-reading monitoring terminal, include switchgear house, remote control tripping relay, and the collector that all there is radio communication function, and intelligent instrument, concentrator and backstage main website is characterized in that:
The various electric quantity datas that have the intelligent instrument of radio communication function and respectively have the wireless communication terminal that the collector of radio communication function gathers copied and accepted and store automatically by concentrator by the downgoing communication passage, and by the up-link wireless communication channel of concentrator, the data of collection and backstage main website carried out to exchanges data;
The radio concentrator be arranged in switchgear house is monitored switchgear house according to forceful electric power and switching signal, and manages according to the data that monitor; When switchgear house generation power failure, be arranged on the concentrator of switchgear house after the very first time detects fault message, at first light the alarm lamp of concentrator and send the computer of wireless messages to the backstage main website; Concentrator can be monitored the electric charge of transmission line in switchgear house simultaneously, sends monitoring information to the backstage main website simultaneously, and the backstage main website controls remote control tripping relay in switchgear house cut off the power supply and power transmission control by information analysis and by concentrator.
2. distribution-transforming centralized meter-reading monitoring terminal according to claim 1, it is characterized in that, described concentrator has reading electric meter, rate of qualified voltage measuring ability and unbalance factor measuring ability simultaneously, concentrator is controlled the remote control tripping relay and can be bound with any warning, and interlock is tripped when alarm generation.
3. distribution-transforming centralized meter-reading monitoring terminal according to claim 2, it is characterized in that, described rate of qualified voltage detects and refers to monitor total statistics number, super upper limit number of times, super lower limit number of times, rate of qualified voltage, disqualification rate, disqualification rate on the lower side on the upper side, day maximum voltage value and time of origin, day minimum voltage value and time of origin, per day magnitude of voltage.
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| CN 201010554613 CN102468690B (en) | 2010-11-19 | 2010-11-19 | Distribution-transforming centralized meter-reading monitoring terminal |
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|---|---|---|---|
| CN 201010554613 CN102468690B (en) | 2010-11-19 | 2010-11-19 | Distribution-transforming centralized meter-reading monitoring terminal |
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| CN102468690A CN102468690A (en) | 2012-05-23 |
| CN102468690B true CN102468690B (en) | 2013-12-25 |
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