CN201918003U - Wireless low-voltage meter-reading monitoring concentrator - Google Patents
Wireless low-voltage meter-reading monitoring concentrator Download PDFInfo
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- CN201918003U CN201918003U CN2010206196516U CN201020619651U CN201918003U CN 201918003 U CN201918003 U CN 201918003U CN 2010206196516 U CN2010206196516 U CN 2010206196516U CN 201020619651 U CN201020619651 U CN 201020619651U CN 201918003 U CN201918003 U CN 201918003U
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Abstract
The utility model relates to a wireless low-voltage meter-reading monitoring concentrator. The wireless low-voltage meter-reading monitoring concentrator comprises a case, an antenna, an indicator lamp and an alarming lamp, and further comprises a clock module, a storage module, a communication module, a main control unit and power supply module, a self-routing wireless module, a working clock, a reset module, an RS232 driver, an Ethernet driver, a GPRS (general packet radio service)/FLASH/SDRAM (synchronous dynamic random access memory)/JTAG (joint test action group) interface, an alarm communication and the like. The concentrator collects the data information by uplink and downlink signal channels and exchanges data with a master station. The concentrator can monitor a distribution board according to strong electricity and switching signals, and perform management according to the monitoring data. A remote controlled tripping relay of the concentrator can be bound with any alarm, and performs tripping linkage when an alarm is generated, thereby avoiding the problem that the load equipment is destroyed by faults like phase shortage.
Description
Technical field
The utility model relates to a kind of power control unit, is meant a kind of wireless low-voltage collecting meter reading monitoring concentrator especially.
Background technology
The remote power kilowatt meter reading-out system is a kind of important selection measure of power department management, analysis, the various electric quantity datas of processing now.This system generally comprises user side watt-hour meter, concentrator and three parts of background management system and forms.
The general work principle of existing this type systematic is, concentrator is accepted the control command of background management system, then the information of user side watt-hour meter collection preserved and is sent to concentrator, uploaded data to the activity of background management system again by each concentrator.
Now this type systematic has extensively utilized the embedded technology scheme to realize the running of this system, and in the prior art, concentrator is the pith of this system.Though 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, and management, analysis and the deal with data of electric weight only can be provided power department.
In all tasks of existing electric administrative department, managing electric quantity, analysis and processing electric quantity data only are aspects of its task, and the distribution monitoring also is one of task of electric administrative department.And present stage, electric administrative department can only can be finished 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 that drops into has also strengthened each power department, in order to reduce expense effectively, increase work efficiency, reducing equipment when realizing task is one of the purpose of this utility model.
Simultaneously, utilize present mobile communication technology, wireless route MANET technology and GPRS public radio communication network technology realize that low pressure resident collection is copied and the distribution monitoring function also is one of the purpose of this utility model.
The utility model content
One of the purpose of this utility model is to utilize present mobile communication technology, realizes that based on wireless route MANET technology and GPRS public radio communication network technology and in conjunction with computer technology low pressure resident collection copies and the distribution monitoring function.
Another purpose of the present utility model is that low pressure electricity consumption of resident handling facility is united two into one with the distribution monitoring facilities, when raising the efficiency, reduces the cost of each side.
The utility model is realized by following technology:
A kind of wireless low-voltage collecting meter reading monitoring concentrator, include cabinet, antenna, pilot lamp, alarm lamp, the SIM card seat, described concentrator also includes, clock module, memory module, communication module, main control unit module and power module, from route wireless module, work clock, reseting module, RS232 driver, Ethernet driver, form from route wave point, GPRS/FLASH/SDRAM/JTAG interface, alarm communication system.
The communication module of described concentrator includes, electric line carrier communication, telephonic communication, RS485 communication, RS232 communication, GPRS communication module and corresponding communication interface.
Described antenna has 2.
Described concentrator can be supported 94 collectors at most.
In the utility model, low-voltage collecting meter reading monitoring concentrator is realized by following technology, the electric quantity data that various intelligence instrument, each acquisition terminal or acquisition modules with wireless communication function are gathered wireless communication terminal copied and accepted and stores automatically by concentrator by the downgoing communication passage, and by the up-link wireless communication channel of concentrator data and the backstage main website of gathering carried out exchanges data.
The utility model is realizing realizing that by following technology the radio concentrator that is arranged in the switchgear building is monitored switchgear building according to forceful electric power and switching signal etc., and manages according to the data that monitor aspect the Monitoring and Controlling.When switchgear building generation power failure, the concentrator that is installed in switchgear building is after the very first time detects failure message, at first light the alarm lamp of concentrator and send the computing machine of wireless messages to the backstage main website, the staff can carry out the reason of analysis of failure and fault is got rid of according to the information that concentrator sends to main website.Concentrator can be monitored the electric charge of transmission line of electricity in the switchgear building simultaneously, and transmitting supervisory information is given main website simultaneously, and main website is by to information analysis and give in the switchgear building remote control tripping relay by concentrator and cut off the power supply and send electric control.Concentrator has reading electric meter, rate of qualified voltage and unbalance factor measuring ability simultaneously, and the staff can in time grasp electric power thus supplied.The remote control tripping relay of concentrator control can be bound with any warning, the interlock that when alarm generation, trips, thus avoided because faults such as phase shortage cause the problem of damaging load equipment.
The backstage main website realizes by following technology the management control and the exchanges data of concentrator:
The clock that concentrator can receive main website call together survey and to the time order, time error is no more than ± 3s, clock is walked time error and is no more than 0.5S/d, after the power supply dead electricity, clock can keep operate as normal.
Concentrator can by main website setting and inquiry concentrator numbering, with concentrator parameter such as master station communication address.
The concentrator parameters of checking meter such as day, the time interval of checking meter of checking meter by main website setting and inquiry.
Concentrator can be provided with and preserve the collector data that is covered
Concentrator setting and storage are also divided into relevant table meter data
Concentrator can be divided into task parameters and task execution interval and 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 changed to default value, the data field zero clearing.
The wireless telecommunications that the wireless collection of the present invention is copied monitoring terminal realize by following technology:
Adopt advanced GPRS wireless telecommunications net mode to carry out data transmission.The embedded GPRS wireless data communications of concentrator module, it utilizes China Mobile's wireless data service to carry out the copy reading of concentrator data.The GPRS net is the all-digital network that covers a wide range, and possesses the plurality of advantages that the voice-and-data service is provided, and comprises the lower bit 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 total system, it also is the maincenter of total system image data, get in touch by the GPRS wireless network between master station computer and the concentrator, the various operational orders that acquisition terminal receives on the one hand from master station computer return the various information of acquisition terminal to master station computer on the other hand, also store the data of institute's linchpin table meter simultaneously and related parameter is arranged, and have timing and copy and accept concentrator in real time or intelligence table data, the functions such as duty that real time monitoring concentrator, collector or intelligence are shown.
The wireless collection of the utility model copy the monitoring concentrator collection copy data acquisition, data processing realizes by following technology:
Summary table: by the RS485 bus can copy be taken to many two have the RS485 communication interface, meet the People's Republic of China's power industry standard multifunctional electric energy meter or the single-phase table of " DL/T645-1997 multifunctional electric energy meter communication protocol ".The mode of connection of electric energy meter can only be copied and get the meritorious total electric energy one item number certificate of forward as being single-phase; As can both gather information such as electric current, voltage, energy data, maximum demand and time thereof in the measuring apparatus, active power, reactive power, power factor automatically for phase three-wire three and the three-phase and four-line mode of connection, form history curve.Concentrator is the cycle with the minimum of system's setting time interval of checking meter, and summary table is carried out data acquisition and storage, and calls together in main website and to send to main website when surveying, and the electric energy meter data of concentrator record are consistent with the corresponding data of the electric energy meter demonstration that is connected.
Sublist: connect ammeter by collector is following.Concentrator can be provided with maximum 94 collectors (1～No. 94), can be arranged to many 31 electric energy meters 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, call together when surveying and can give main website with data back in main website, the electric energy meter data of concentrator record are consistent with the corresponding data of the electric energy meter demonstration that is connected.
Concentrator provides multiple timing working mode: data etc. are uploaded in timing meter reading, timing.
Collection is copied the concentrator of function and is supported 95 tasks at the most, and realizes copying and accepting in real time function.
Preserve the raw data of checking meter of every day.Can effectively preserve to count according to task the time that data are preserved is set.Be stored in the raw data in the terminal, power down is not lost.
Concentrator during to each circulation copy reading the collector of copy reading failure have automatic benefit 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 unsuccessful at the appointed time in real time or the task implementation is copied and accepted unsuccessfully, concentrator can initiatively report warning to main website.It is unusual that concentrator detects distribution etc., can initiatively report relevant warning and storage.
Terminal hardware house dog, power down protection and the self-starting that powers on; Gather and the abnormal conditions of record concentrator, collector and ammeter (as power down, switch door, 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.
Wireless collection is copied the monitoring function of monitoring concentrator and is realized in the following manner:
The type of alarm that can monitor:
1) terminal power down
2) power failure of switchboard high pressure (grid power blackout), the phase failure
3) switchboard low pressure (master switch side) power failure, the phase failure
4) the 3 tunnel divide the circuit leak current fault
5) the 3 tunnel divide circuit power failure, the phase failure
6) always, the 3 tunnel divide circuit disconnected zero
7) batch meter is opened
Monitoring, alarming realizes that according to above-mentioned priority orders the warning that priority is high promptly shields other warning messages lower than its priority.If the batch meter chamber door is in open mode, except that instant " illegal unpacking " reports to the police, warning reminding there is every morning.
The wireless automatic control of switchgear building monitoring terminal is controlled according to following warning the time automatically: promptly relay is according to actual conditions and following alarm linkage, promptly when the warning that appointment takes place, linkage relay immediately.
1) the switchboard high pressure phase failure
2) the switchboard low pressure phase failure
3) divide circuit 1 phase failure
4) divide circuit 2 phases failure
5) divide circuit 3 phases failure
6) always disconnected zero failure
7) divide circuit 1 disconnected zero
8) divide circuit 2 disconnected zero
9) divide circuit 3 disconnected zero
Concentrator carries out electric current, voltage monitoring to the circuit of switchgear building:
The balance of the on-the-spot three-phase current of monitoring is monitored, is reported to the police according to the alarm threshold value of setting in real time.
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 judge that delay time, the warning of current imbalance rate recover threshold value, the current imbalance rate is recovered the warning delay time.
Terminal to be minute being statistical unit, the rate of qualified voltage information on statistics same day, and keep 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 following information respectively: presidential metering 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 be provided with: acquiescence 198V--235V.
Description of drawings
Fig. 1: casing front view
Fig. 2: concentrator panel right view
Fig. 3: concentrator panel left view
Fig. 4: concentrator panel front view
1, install and fix hole 2, alarm lamp 3, operation, service switch
31, run indicator 32, maintenance pilot lamp 4, casing
10, SIM card seat 11, from route wave point 12, the GPRS interface
13, terminal row
Embodiment
In order to be described more specifically content of the present utility model,, be elaborated at implementation process of the present utility model and mode with reference to accompanying drawing.
Being illustrated in figure 1 as casing front view of the present utility model, is right view of the present utility model as Fig. 2, is left view of the present utility model as Fig. 3, is the utility model panel front view as Fig. 4.
Low-voltage collecting meter reading monitoring concentrator includes cabinet (4), antenna, pilot lamp (31,32), alarm lamp (2), clock module, memory module, communication module, main control unit module and power module, work clock, reseting module, RS232 driver, Ethernet driver, GPRS interface (12) ,/FLASH/SDRAM/JTAG interface, from compositions such as route wave point (11), SIM card seat (10), alarm communication systems.
The communication module of concentrator includes module and corresponding communication interface and antennas such as electric line carrier communication, telephonic communication, RS485 communication, RS232 communication, GPRS communication.
In the utility model, low-voltage collecting meter reading monitoring concentrator is realized by following technology, the electric quantity data that various intelligence instrument, each acquisition terminal or acquisition modules with wireless communication function are gathered wireless communication terminal copied and accepted and stores automatically by concentrator by the downgoing communication passage, and by the up-link wireless communication channel of concentrator data and the backstage main website of gathering carried out exchanges data.
The utility model is realizing realizing that by following technology the radio concentrator that is arranged in the switchgear building is monitored switchgear building according to forceful electric power and switching signal etc., and manages according to the data that monitor aspect the Monitoring and Controlling.When switchgear building generation power failure, the concentrator that is installed in switchgear building is after the very first time detects failure message, at first light the alarm lamp of concentrator and send the computing machine of wireless messages to the backstage main website, the staff can carry out the reason of analysis of failure and fault is got rid of according to the information that concentrator sends to main website.Concentrator can be monitored the electric charge of transmission line of electricity in the switchgear building simultaneously, and transmitting supervisory information is given main website simultaneously, and main website is by to information analysis and give in the switchgear building remote control tripping relay by concentrator and cut off the power supply and send electric control.Concentrator has reading electric meter, rate of qualified voltage and unbalance factor measuring ability simultaneously, and the staff can in time grasp electric power thus supplied.The remote control tripping relay of concentrator can be bound with any warning, the interlock that when alarm generation, trips, thus avoided because faults such as phase shortage cause the problem of damaging load equipment.
The backstage main website realizes by following technology the management control and the exchanges data of concentrator:
The clock that concentrator can receive main website call together survey and to the time order, time error is no more than ± 3s, clock is walked error and is no more than 0.5S/d, after the power supply dead electricity, clock can keep operate as normal.
Concentrator can by main website setting and inquiry concentrator numbering, with concentrator parameter such as master station communication address.
The concentrator parameters of checking meter such as day, the time interval of checking meter of checking meter by main website setting and inquiry.
Concentrator can be provided with and preserve the collector data that is covered
Concentrator setting and storage are also divided into relevant table meter data
Concentrator can be divided into task parameters and task execution interval and 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 changed to default value, the data field zero clearing.
The wireless telecommunications that the wireless collection of the present invention is copied the monitoring concentrator realize by following technology:
Adopt advanced GPRS wireless telecommunications net mode to carry out data transmission.The embedded GPRS wireless data communications of concentrator module, it utilizes China Mobile's wireless data service to carry out the copy reading of concentrator data.The GPRS net is the all-digital network that covers a wide range, and possesses the plurality of advantages that the voice-and-data service is provided, and comprises the lower bit 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 total system, it also is the maincenter of total system image data, get in touch by the GPRS wireless network between master station computer and the concentrator, the various operational orders that acquisition terminal receives on the one hand from master station computer return the various information of acquisition terminal to master station computer on the other hand, also store the data of institute's linchpin table meter simultaneously and related parameter is arranged, and have timing and copy and accept concentrator in real time or intelligence table data, the functions such as duty that real time monitoring concentrator, collector or intelligence are shown.
The wireless collection of the utility model copy the monitoring concentrator collection copy data acquisition, data processing realizes by following technology:
Summary table: by the RS485 bus can copy be taken to many two have the RS485 communication interface, meet the People's Republic of China's power industry standard multifunctional electric energy meter or the single-phase table of " DL/T645-1997 multifunctional electric energy meter communication protocol ".The mode of connection of electric energy meter can only be copied and get the meritorious total electric energy one item number certificate of forward as being single-phase; As can both gather information such as electric current, voltage, energy data, maximum demand and time thereof in the measuring apparatus, active power, reactive power, power factor automatically for phase three-wire three and the three-phase and four-line mode of connection, form history curve.Concentrator is the cycle with the minimum of system's setting time interval of checking meter, and summary table is carried out data acquisition and storage, and calls together in main website and to send to main website when surveying, and the electric energy meter data of concentrator record are consistent with the corresponding data of the electric energy meter demonstration that is connected.
Sublist: connect ammeter by collector is following.Concentrator can be provided with maximum 94 collectors (1～No. 94), can be arranged to many 31 electric energy meters 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, call together when surveying and can give main website with data back in main website, the electric energy meter data of concentrator record are consistent with the corresponding data of the electric energy meter demonstration that is connected.
Concentrator provides multiple timing working mode: data etc. are uploaded in timing meter reading, timing.
Collection is copied the concentrator of function and is supported 95 tasks at the most, and realizes copying and accepting in real time function.
Preserve the raw data of checking meter of every day.Can effectively preserve to count according to task the time that data are preserved is set.Be stored in the raw data in the terminal, power down is not lost.
Concentrator during to each circulation copy reading the collector of copy reading failure have automatic benefit 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 unsuccessful at the appointed time in real time or the task implementation is copied and accepted unsuccessfully, concentrator can initiatively report warning to main website.It is unusual that concentrator detects distribution etc., can initiatively report relevant warning and storage.
Can carry out data backup, upgrade maintenance by GPRS passage, USB, RS-485, program remote upgrading and parameters change maintenance etc.
Wireless collection is copied the monitoring function of monitoring concentrator and is realized in the following manner:
The type of alarm that can monitor:
1) terminal power down
2) power failure of switchboard high pressure (grid power blackout), the phase failure
3) switchboard low pressure (master switch side) power failure, the phase failure
4) the 3 tunnel divide the circuit leak current fault
5) the 3 tunnel divide circuit power failure, the phase failure
6) always, the 3 tunnel divide circuit disconnected zero
7) batch meter is opened
Monitoring, alarming realizes that according to above-mentioned priority orders the warning that priority is high promptly shields other warning messages lower than its priority.If the batch meter chamber door is in open mode, except that instant " illegal unpacking " reported to the police, every morning, 7:40 had warning reminding.
Automatically control when switchgear building is monitored the wireless automatic control of concentrator according to following warning: promptly relay is according to actual conditions and following alarm linkage, promptly when the warning that appointment takes place, linkage relay immediately.
1) the switchboard high pressure phase failure
2) the switchboard low pressure phase failure
3) divide circuit 1 phase failure
4) divide circuit 2 phases failure
5) divide circuit 3 phases failure
6) always disconnected zero failure
7) divide circuit 1 disconnected zero
8) divide circuit 2 disconnected zero
9) divide circuit 3 disconnected zero
Concentrator carries out electric current, voltage monitoring to the circuit of switchgear building:
The balance of the on-the-spot three-phase current of monitoring is monitored, is reported to the police according to the alarm threshold value of setting in real time.
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 judge that delay time, the warning of current imbalance rate recover threshold value, the current imbalance rate is recovered the warning delay time.
Concentrator to be minute being statistical unit, the rate of qualified voltage information on statistics same day, and keep 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 following information respectively: presidential metering 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 be provided with: acquiescence 198V--235V.
The function of concentrator pilot lamp:
Operation (redness): the working power pilot lamp, bright when powering on.
Maintenance (green): the maintenance pilot lamp, lamp is bright when switch is got to service mode.
1-23 (redness): alarm lamp, pilot lamp is bright when detecting corresponding alerting signal.
After concentrator powered on, running indicator was long bright.Indicator light cycle is turn-taked and is lighted simultaneously, and this moment, concentrator was in the initialization network connection state.After initialization was finished, concentrator stopped to turn-take bright lamp and all lamps of circulation and goes out, and enters normal operating conditions.In normal operation, as to detect the then corresponding alarm lamp of alerting signal bright.
If alarm lamp is in the illuminating state of turn-taking that circulates all the time, please check whether SIM card inserts, and perhaps whether SIM card is handy, and whether antenna connects.
It should be noted that at last: above embodiment is the described technical scheme of unrestricted the utility model in order to explanation the utility model only; Therefore, although this instructions has been described in detail the utility model with reference to the above embodiments,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement this practicality; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. a wireless low-voltage collecting meter reading is monitored concentrator, include cabinet, antenna, pilot lamp, alarm lamp, the SIM card seat is characterized in that, described concentrator also includes, clock module, memory module, communication module, main control unit module and power module, from route wireless module, work clock, reseting module, RS232 driver, Ethernet driver, form from route wave point, GPRS/FLASH/SDRAM/JTAG interface, alarm communication system.
2. wireless low-voltage collecting meter reading monitoring concentrator according to claim 1, it is characterized in that, the communication module of described concentrator includes, electric line carrier communication, telephonic communication, RS485 communication, RS232 communication, GPRS communication module and corresponding communication interface.
3. wireless low-voltage collecting meter reading monitoring concentrator according to claim 1 is characterized in that described antenna has 2.
4. wireless low-voltage collecting meter reading monitoring concentrator according to claim 1 is characterized in that described concentrator can be supported 94 collectors at most.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206196516U CN201918003U (en) | 2010-11-19 | 2010-11-19 | Wireless low-voltage meter-reading monitoring concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206196516U CN201918003U (en) | 2010-11-19 | 2010-11-19 | Wireless low-voltage meter-reading monitoring concentrator |
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| Publication Number | Publication Date |
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| CN201918003U true CN201918003U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206196516U Expired - Fee Related CN201918003U (en) | 2010-11-19 | 2010-11-19 | Wireless low-voltage meter-reading monitoring concentrator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056606A1 (en) * | 2011-10-18 | 2013-04-25 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
| CN103888509A (en) * | 2013-12-31 | 2014-06-25 | 镇江海贝信息科技有限公司 | Voltage monitor remote upgrade system and method |
| TWI552468B (en) * | 2013-11-05 | 2016-10-01 | 松下知識產權經營股份有限公司 | Cabinet for distribution board, and distribution board |
| CN109682436A (en) * | 2018-12-21 | 2019-04-26 | 金卡智能集团股份有限公司 | Internet of Things gas meter, flow meter meter reading data mends the method copied |
-
2010
- 2010-11-19 CN CN2010206196516U patent/CN201918003U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056606A1 (en) * | 2011-10-18 | 2013-04-25 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
| TWI552468B (en) * | 2013-11-05 | 2016-10-01 | 松下知識產權經營股份有限公司 | Cabinet for distribution board, and distribution board |
| CN103888509A (en) * | 2013-12-31 | 2014-06-25 | 镇江海贝信息科技有限公司 | Voltage monitor remote upgrade system and method |
| CN109682436A (en) * | 2018-12-21 | 2019-04-26 | 金卡智能集团股份有限公司 | Internet of Things gas meter, flow meter meter reading data mends the method copied |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 3, No. Patentee after: Surbana Qingdao Huitong Energy Technology Co Ltd Address before: Zhuzhou Road, Laoshan District 266100 Shandong city of Qingdao province No. 177 Whitby industrial city A District No. 9 Building No. 1 Patentee before: Qingdao Shize Electronic Meter Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20191119 |