CN201877892U - Data transmission device of distribution transformer box - Google Patents
Data transmission device of distribution transformer box Download PDFInfo
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- CN201877892U CN201877892U CN201020658367XU CN201020658367U CN201877892U CN 201877892 U CN201877892 U CN 201877892U CN 201020658367X U CN201020658367X U CN 201020658367XU CN 201020658367 U CN201020658367 U CN 201020658367U CN 201877892 U CN201877892 U CN 201877892U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
A data transmission device of a distribution transformer box comprises a distribution transformer metering box body, a sensing device, a movement executing mechanism and a backstage monitoring system, and is characterized by also comprising a distribution transformer data forwarder capable of realizing data storage and processing, wherein the input end of the distribution transformer data forwarder is connected with a second output end of the sensing device; and the output end of the distribution transformer data forwarder is connected with the input end of a communication server through a wireless network. Compared with the prior art, the data transmission device is added with the distribution transformer data forwarder in the distribution transformer box, brings in mass storage, realizes the functions of data storage, processing and forwarding, enhances data storage capacity and ensures that power data can be reliably transmitted to the backstage by seamless connection with a front end sensing device, a communication link and a backstage monitoring center, thus greatly improving the practicability of the system.
Description
Technical field
The utility model relates to a kind of electric power system controller switching equipment, particularly a kind of distribution transforming batch meter (being called for short the distribution transforming case) data transmission device.
Background technology
Distribution transforming batch meter (being called for short the distribution transforming case) main and sub-district transformer station, pole-mounting transformer vault station or the supporting installation of box-type substation, generally be installed in the power cabinet of residential quarter power distribution room, the below at outdoor pole-mounting transformer vault station etc., in addition, background monitoring center in transformer station also is furnished with the back-end data management server, the back-end data management server is by forming data transmission system between wireless communication mode and the distribution transforming case, and main being responsible for carried out unified management to the real time data from the distribution transforming case.
Usually, the distribution transforming case mainly is made up of following components: action final controlling elements such as casing, compensation condenser, measure and control device (being used for measuring the switching of electric power data and control capacitance) and communication device.Wherein, measure and control device is a system core control assembly, is used for gathering the circuit running status, carries out data processing then, and last control capacitor switching final controlling element is carried out corresponding actions; Communication device is responsible for the wireless telecommunications at measure and control device and background monitoring center, and antenna (in the cabinet or outside the cabinet) is installed.
In the prior art, after distribution transforming case data transmission system collects data by measure and control device, general direct GPRS wireless communication module by standard is transmitted, because the standard GPRS module has only the transparent forwarding function, the storage of data in the distribution transforming case, processes such as processing rely on front end sensing equipment realizations such as reactive power compensation measurement and control instrument fully, and because the restriction of the function of front end sensing equipments such as reactive power compensation measurement and control instrument, it (is that the backstage initiatively sends to call together and surveys order that system often adopts the backstage to call the passive work mode of survey-terminal response together, after the terminal response background commands, begin to carry out the work of data acquisition and transmission again), make the overall data storage and the processing capacity of system be subjected to considerable restraint like this, it is low the data forwarding ability often to occur, the problem that transmission reliability can't guarantee.Because the on-the-spot electric power data of distribution transforming case often can't be transferred in the background server reliably, the user just can not in time see the real-time electric power data like this, the user is in order to obtain parameters of electric power, still need local image data in the distribution transforming case at scene, not only parameter reads cost height, inconvenient operation, and the real-time property hysteresis, the effect of distribution transforming case data communication system is just had a greatly reduced quality.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of real time of data transmission and reliability of effectively improving at above-mentioned prior art present situation, and makes data processing and the higher distribution transforming case transmitting device of transfer capability.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this distribution transforming case data transmission device includes
Distribution transforming batch meter casing;
Sensing equipment is arranged in the described distribution transforming batch meter casing, and this sensing equipment is used to gather the running status of transformer station's circuit, and this sensing equipment includes first output and second output;
Action actuating mechanism is arranged in the described distribution transforming batch meter casing, and first output of the control input end of this action actuating mechanism and described sensing equipment is connected, and described sensing equipment is controlled described action actuating mechanism and carried out corresponding action; And
Background monitoring system, include the communication server, a plurality of client, data server and application server, wherein, the described communication server, data server, application server are connected with described client by communication network respectively and realize data communication;
It is characterized in that: described distribution transforming case data transmission device also includes the switching data transponder that can realize storage and processing, second output of the input of this switching data transponder and described sensing equipment is connected, and the output of this switching data transponder is connected by the input of the wireless network and the described communication server.
For data processing and the storage that realizes the switching data transponder better, as preferably, described switching data transponder comprises a central processing unit, and described central processing unit is connected with power module, data acquisition module, data memory module, wireless network transmission module, signal display module and time block.In the above-mentioned functions module, data acquisition module can receive the real time data from sensing equipment, and the real time data that can gather comprises instant data, integral point data, day statistics and month statistics etc. at present; Data memory module can be realized this locality storage of data, thereby guarantees the fail safe of all image data, prevents unnecessary data and loses; The wireless communication of wireless network transmission module realization and background monitoring system; Signal display module can show the operating state of switching data transponder, improves the functional reliability of device; Time block can trigger other functional modules automatically according to present clock value and preset trigger strategy and carry out work.
As preferably, described central processing unit is the LPC2378 chip based on the ARM7 framework.
As further preferred, described data memory module is big capacity technical grade SD card.
As preferably, described communication network is the electric power local area network (LAN) based on ICP/IP protocol.
Preferred as another, described wireless network is the GPRS communication network.
As preferably, described sensing equipment is the reactive power compensation measurement and control instrument, correspondingly, described actuator is a reactive power compensation capacitor switching device, and, in order to realize point-to-point communication and network savvy, adopt the RS232/RS485 communication mode to realize transfer of data between described reactive power compensation measurement and control instrument and the described distribution transforming case data transmission device.
Compared with prior art, advantage of the present utility model is: at first, in the distribution transforming case, increase the switching data transponder, this switching data transponder has been introduced big capacity storage, can realize storage, processing and forwarding capability, increase data storage capacities, and with front end sensing equipment, communication link road and background monitoring center seamless link, guaranteed that electric power data can deliver to the backstage reliably, thereby improved the practicality of system greatly;
Secondly, increase the security of operation that the switching data transponder not only helps improving user's operating efficiency and ensures power equipment, and, also make measuring and controlling equipment can be absorbed in the function and the performance boost in self field, communication equipment can be absorbed in the guarantee of stabilized communication, thereby the classification that helps problem is handled, and the level of entire system structure is clearer and more definite.
Description of drawings
Fig. 1 is the data transmission device syndeton schematic diagram of the utility model embodiment.
Fig. 2 is the functional module structure schematic diagram of switching data transponder shown in Figure 1.
Fig. 3 is the central processing unit interface circuit principle schematic of the utility model embodiment.
Fig. 4 is the workflow diagram of the distribution transforming case data set of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
The distribution transforming case data transmission device of present embodiment is mainly used in Zhejiang Electric Power Company, and as Fig. 1～shown in Figure 4, this distribution transforming case data transmission device includes
Distribution transforming batch meter casing 1;
Be arranged at the sensing equipment 2 in the distribution transforming batch meter casing 1, this sensing equipment 2 is used to gather the running status of transformer station's circuit, and this sensing equipment 2 includes first output 21 and second output 22;
Be arranged at the action actuating mechanism 3 in the distribution transforming batch meter casing 1, first output 21 of the control input end of this action actuating mechanism 3 and sensing equipment 2 is connected, and sensing equipment 2 control action actuators 3 carry out corresponding action;
Wherein, data acquisition module 412 can receive the real time data from sensing equipment 2, and the real time data that can gather comprises instant data, integral point data, day statistics and month statistics etc. at present; Data memory module 413 can be realized this locality storage of data, thereby guarantees the fail safe of all image data, prevents unnecessary data and loses; The wireless communication of wireless network transmission module 414 realizations and background monitoring system; Signal display module 415 can show the operating state of switching data transponder 4, improves the functional reliability of device; Time block 416 can trigger other functional modules automatically according to present clock value and preset trigger strategy and carry out work, time block 416 main regularly trigger data acquisition modules also trigger automatic correcting time module, automatic detection recovery module and heartbeat in addition and keep module;
Background monitoring system, include the communication server 5, a plurality of client 6, data server 7 and application server 8, wherein, the communication server 5, data server 7, application server 8 are respectively by being connected with client 6 based on the electric power local area network (LAN) of ICP/IP protocol and realizing data communication.The output of the input of background communication server 5 and switching data transponder 4 is connected by the GPRS wireless network.
The sensing equipment 2 of present embodiment can be the various electric power data acquisition equipment of prior art, be preferably the reactive power compensation measurement and control instrument, and action actuating mechanism 3 also correspondingly is reactive power compensation capacitor switching device, and, adopt the RS232/RS485 communication mode to realize transfer of data between reactive power compensation measurement and control instrument and the switching data transponder 4.
The switching data transponder of present embodiment is developed based on embedded technology, the central processing unit of switching data transponder 4 (CPU) 41 is the LPC2378 chip based on the ARM7 framework, as shown in Figure 3, this central processing unit is provided with the peripheral circuit of three routines, be power circuit, reset circuit and clock circuit, this power circuit adopts Switching Power Supply and direct voltage conversion chip, finishes the conversion from alternating current 220V to direct current 5V/3.3V chip operating voltage; The inner integrated standard GPRS transport module of central processing unit, this module is connected with the inner serial ports of central processing unit, the integrated ICP/IP protocol stack of inside modules, the CPU main program is directly controlled the GPRS module by the AT order and is carried out corresponding actions; Central processing unit also extends out a plurality of interfaces: serial line interface, SD card, inner jtag interface and indicator light connecting interface.
Wherein, serial line interface is provided with 2, is used to insert front end sensing equipments such as reactive power compensation measurement and control instrument, can be set to RS232 level or RS485 level by wire jumper; 1 SD card is set as data memory module, this SD card is provided with the SD deck, can insert big capacity technical grade SD card and realize storage; Be provided with 7 indicator lights that are connected on the indicator light connecting interface, be used for the different operating state of indication mechanism; In addition, also be provided with 1 special-purpose debug serial port, be used for the local search working state of system; A reset button is set, is used for system restart.
One, the software function of the switching data transponder of present embodiment is as follows:
1, this switching data transponder is to have data acquisition, storage, forwarding, GPRS communication function concurrently in the intelligent equipment of one.
2, this switching data transponder has the initiatively passive functions such as brake and question and answer, self check of calling together of sending function, data of real-time data acquisition function (gathering from other front end sensing equipments), local datastore function, data.Wherein, switching data transponder and front end sensing equipment adopt the RS232/RS485 communication mode, and the GPRS communication mode is adopted at switching data transponder and background monitoring center.
3, this switching data transponder can be gathered data in the reactive power compensation instrument in real time by serial ports, and with these real-time data memory in this equipment; At least support one minute data acquisition density (collection adjustable density) once, support data to store for a long time; After memory space used up, new data covered the oldest data automatically.Software design satisfies the data that can expand collection other types equipment and need not adjust existing program frame.
4, data can be sent to the background monitoring center in real time by the GPRS module.This switching data transponder can be supported 2 kinds of send modes: real time data initiatively sends with data are passive and calls survey together.Wherein, real time data is initiatively under the sending mode, and equipment is whenever from just initiatively carrying out real-time storage at once after front-end module is got one group of data and transmit in real time, collection and forwarding time the interval can carry out the Local or Remote setting as required; Call together under the survey pattern in that data are passive, equipment can calling together of passive reception background monitoring center be surveyed order, and according to the work of command execution data acquisition and transmission.
If 5 to backstage transmission data failure (data are not received on the backstage), then this switching data transponder resends the data of not sending after a period of time according to network condition.
6, support local survey, the software upgrading function transferred.This switching data transponder can carry out the local parameter setting by external computer equipment, transfer and survey and the local software upgrade function.
7, support remote parameter that function is set, when comprising long-range school, management parameters setting, collection and the storage relative parameters setting of messaging parameter setting, external measuring and controlling equipment.
8, possess channel and keep correlation function, comprise functions such as heartbeat packet, disconnection reconnecting.
Two, the hardware capability of the switching data transponder of present embodiment is as follows:
1, equipment adopts metal shell, the integrated inside that is installed in this switching data transponder of master control borad, GPRS module and power module.
2, the GPRS communications portion adopts the GPRS communication module of standard.
3, adopt free-standing switching type power supply modular converter, the integrated inside that is installed in the switching data transponder.Input reference is the 220V alternating current, supports the input of wide voltage, and the assurance device input voltage can operate as normal between 180-250V the time.
4, central processing unit adopts the ARM7 family chip.
5, data storage is big capacity technical grade SD card.
6, volume is small and exquisite, and shell sizes is 175mm (length) * 125mm (wide) * 55mm (height).
7, mounting means is wall-hanging, is installed on the insulation wooden partition of distribution transforming batch meter box house.
8, support 2 equipment of serial (RS232/485 is by hard wire jumper configuration or software arrangements), be exclusively used in data acquisition.Comprise 1 RS232 serial ports in addition and be used for the local survey of transferring.
9,7 indicator lights are set and indicate following index: power work state, working state of system, dialing status, logging status, GPRS communications status, the indication of serial ports one data transmit-receive state and the indication of serial ports two data transmit-receive states.
10, equipment normal operation circumstances: temperature :-20 ℃～70 ℃; Humidity: less than 90%.
11, support to power on Auto Power On, system reset pad implement device this locality is set restarts.
Three, the main feature of the switching data transponder of present embodiment:
1, can be for a long time, big capacity storage parameters of electric power
Usually, the memory space of front end sensing equipment (as the reactive power compensation measurement and control instrument) is less, can't carry out this locality storage to all electric power datas, can not realize local storage for the higher real time data of frequency acquisition especially.This switching data transponder can support the local storage of the reactive power compensation real time data of maximum 5 minutes frequency acquisitions more than 3 months, thereby guarantees the fail safe of all image data, prevents unnecessary data and loses.
2, realize initiatively sending mode of on-site terminal, introduce failure retransfer mechanism
This switching data transponder has realized that terminal equipment initiatively sends data to the backstage, can save and call the survey step together, and the active of request command sends when also supporting heartbeat order and school simultaneously.This equipment has also been introduced the data failure retransmission mechanism in addition, and these all help improving reliability of data transmission.
3, support many serial ports and multi-protocols
This switching data transponder is external 2 external data collecting devices simultaneously, have broken through general GPRS module intelligence and have connect the limitation of 1 pipeline equipment, thereby played the effect of equipment concentrator.In addition, this switching data transponder possesses the puppy parc transfer framework, need not the access of equipment that the replacing program just can be supported the stipulations of number of different types.
4, possesses the system autodiagnosis function
This switching data transponder has very strong self-recovering function, can detect the running status of self in real time, handles accordingly after noting abnormalities.The recovery means comprise restart facility, restart the GPRS module, dialing again, logging in gateway etc. again.
5, support the remote update program
This switching data transponder is supported the IAP function, can utilize GPRS channel remote update program, thereby make that the O﹠M process is convenient, and upgrading products are more prone to.
6, this switching data transponder can mate with the Intranet radio channel of Zhejiang Electric Power Company, adapts to the specific safety requirement that the electric power system intranet and extranet are isolated.Requirement according to Zhejiang Electric Power Company, this device need be realized by Zhejiang Electric Power Company's electric power Intranet radio channel with being connected of backstage, so this device is supported to carry out transfer of data by the communication protocol that meets the on-the-spot service and management system communication of Zhejiang Electric Power Company's electricity consumption stipulations.
In traditional distribution transforming case data acquisition system, transfer of data adopts the backstage to call the passive work mode of survey-terminal response together substantially: the backstage initiatively sends to call together surveys order, begins to carry out the work of data acquisition and transmission after the terminal response background commands again.This distribution transforming case data transmission device not only can realize adopting the backstage to call the passive work mode of survey-terminal response together, can realize initiatively drainage pattern of data that the back-end data collection triggers by terminal self more, the workflow of this active data drainage pattern as shown in Figure 4:
Step 1: switching data transponder 4 as the data collection station timing acquiring by sensing equipment 2 detected power circuit real time datas;
Step 2: switching data transponder 4 carries out stipulations conversions with the real time data that collects, and the stipulations conversion is responsible for resolving the data that collect, and these data encapsulation are packaged into meet the backstage and send the required standard rule schemata;
Step 3: switching data transponder 4 will be sent to background monitoring system through the real time data after the described step 2 stipulations conversion, and this switching data transponder 4 also starts timing simultaneously;
Step 4: whether client 6 affirmations of background monitoring system are received and real time data if then this background monitoring system is handled this real time data, are continued next step then; If not, then forward step 6 to;
Step 5: background monitoring system is handled described real time data, and sends the affirmation bag to the switching data transponder;
Step 6; Whether switching data transponder 4 affirmation before timing finishes receives the affirmation bag that background monitoring system sends, if then this real-time Data Transmission success of distribution box finishes this transformation task; If not, then continue next step;
Step 7: switching data transponder 4 judges that whether the repeating transmission number of times of this real time data surpasses set point, if not, then returns and re-executes step 3; If then continue next step;
Step 8: switching data transponder 4 confirms whether the real time data that is sending has been stored in this locality, if then forward step 10 to; If not, then continue next step;
Step 9: switching data transponder 4 will send the real-time data memory of failure in this locality, and set up the corresponding data task of reissuing and preserve for a long time;
Step 10: switching data transponder 4 regularly trigger data is reissued task, and returns repeated execution of steps three.
Therefore, when the distribution transforming case data transmission device operate as normal of present embodiment, the switching data transponder is by serial ports image data from other front end sensing equipments, then data are deposited in the SD card, simultaneously initiatively send to the background monitoring center by the GPRS module with the data in real time that collects or according to set time of preset value.If send failure, then can resend, the switching data transponder also can passively be accepted the order that the backstage sends over, and carries out corresponding operation then.
Present embodiment distribution transforming case data transmission device mainly be conceived to transform the workflow of traditional distribution transforming case data acquisition system, at first, realized that distribution transforming case terminal active image data sends to the pattern on backstage, help simplifying communication process, and make data acquisition and transfer of data separate, do not disturb mutually; Secondly, the background monitoring center is received after the data to send to distribution transforming case terminal and is confirmed bag, can make distribution transforming case terminal understand data like this and send situation, thereby make distribution transforming case terminal can judge whether resend data and whether should store data; In addition, increase data storage function and historical data sending function, if real time data sends failure continuously repeatedly, then data are arrived in the local storage (SD card) as history data store, resend these historical datas at set intervals, till sending successfully, so just can guarantee the reliable of data transmission procedure to greatest extent, can adapt to the abominable application scenario of transmission link especially.
Claims (7)
1. a distribution transforming case data transmission device includes
Distribution transforming batch meter casing;
Sensing equipment is arranged in the described distribution transforming batch meter casing, and this sensing equipment is used to gather the running status of transformer station's circuit, and this sensing equipment includes first output and second output;
Action actuating mechanism is arranged in the described distribution transforming batch meter casing, and first output of the control input end of this action actuating mechanism and described sensing equipment is connected, and described sensing equipment is controlled described action actuating mechanism and carried out corresponding action; And
Background monitoring system, include the communication server, a plurality of client, data server and application server, wherein, the described communication server, data server, application server are connected with described client by communication network respectively and realize data communication;
It is characterized in that: described distribution transforming case data transmission device also includes the switching data transponder that can realize storage and processing, second output of the input of this switching data transponder and described sensing equipment is connected, and the output of this switching data transponder is connected by the input of the wireless network and the described communication server.
2. distribution transforming case data transmission device according to claim 1, it is characterized in that: described switching data transponder comprises a central processing unit, and described central processing unit is connected with power module, data acquisition module, data memory module, wireless network transmission module, signal display module and time block.
3. distribution transforming case data transmission device according to claim 2 is characterized in that: described central processing unit is the LPC2378 chip based on the ARM7 framework.
4. distribution transforming case data transmission device according to claim 2 is characterized in that: described data memory module is big capacity technical grade SD card.
5. distribution transforming case data transmission device according to claim 1 is characterized in that: described communication network is the electric power local area network (LAN) based on ICP/IP protocol.
6. distribution transforming case data transmission device according to claim 1 is characterized in that: described wireless network is the GPRS communication network.
7. according to the described distribution transforming case of arbitrary claim data transmission device in the claim 1～6, it is characterized in that: described sensing equipment is the reactive power compensation measurement and control instrument, correspondingly, described actuator is a reactive power compensation capacitor switching device, and, adopt the RS232/RS485 communication mode to realize transfer of data between described reactive power compensation measurement and control instrument and the described distribution transforming case data transmission device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020658367XU CN201877892U (en) | 2010-12-14 | 2010-12-14 | Data transmission device of distribution transformer box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201020658367XU CN201877892U (en) | 2010-12-14 | 2010-12-14 | Data transmission device of distribution transformer box |
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| CN201877892U true CN201877892U (en) | 2011-06-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097862A (en) * | 2010-12-14 | 2011-06-15 | 浙江省电力公司 | Data transmission device for distribution transformer metering tank and data transmission method thereof |
| CN103516050A (en) * | 2013-09-17 | 2014-01-15 | 湖州泰仑电力自动化工程有限公司 | Information collector of distribution network switching station |
| CN106710189A (en) * | 2016-12-29 | 2017-05-24 | 北京国电龙瑞电力技术有限公司 | Monitoring data acquisition and transmission device |
| CN110602656A (en) * | 2019-10-23 | 2019-12-20 | 广东电网有限责任公司 | Wireless communication device |
| CN116339201A (en) * | 2023-03-17 | 2023-06-27 | 上海智引信息科技有限公司 | Data collaborative collection method, device, system and storage medium |
-
2010
- 2010-12-14 CN CN201020658367XU patent/CN201877892U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097862A (en) * | 2010-12-14 | 2011-06-15 | 浙江省电力公司 | Data transmission device for distribution transformer metering tank and data transmission method thereof |
| CN102097862B (en) * | 2010-12-14 | 2013-08-14 | 浙江省电力公司 | Data transmission device for distribution transformer metering tank and data transmission method thereof |
| CN103516050A (en) * | 2013-09-17 | 2014-01-15 | 湖州泰仑电力自动化工程有限公司 | Information collector of distribution network switching station |
| CN106710189A (en) * | 2016-12-29 | 2017-05-24 | 北京国电龙瑞电力技术有限公司 | Monitoring data acquisition and transmission device |
| CN110602656A (en) * | 2019-10-23 | 2019-12-20 | 广东电网有限责任公司 | Wireless communication device |
| CN116339201A (en) * | 2023-03-17 | 2023-06-27 | 上海智引信息科技有限公司 | Data collaborative collection method, device, system and storage medium |
| CN116339201B (en) * | 2023-03-17 | 2024-04-19 | 上海智引信息科技有限公司 | Data collaborative collection method, device, system and storage medium |
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