CN1463092A - Wireless communication method of controlling integrated measuring and recording electric distribution instrument based on Internet - Google Patents
Wireless communication method of controlling integrated measuring and recording electric distribution instrument based on Internet Download PDFInfo
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- CN1463092A CN1463092A CN03117092A CN03117092A CN1463092A CN 1463092 A CN1463092 A CN 1463092A CN 03117092 A CN03117092 A CN 03117092A CN 03117092 A CN03117092 A CN 03117092A CN 1463092 A CN1463092 A CN 1463092A
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Abstract
The invention includes the on site integrated electric distribution measuring and recording instrument, GPRS network, Internet and the method for controlling the connection between computers at users' side. Based on Internet, using GPRS communication platform transmits the data of the measuring and recording instrument on site through wireless mode. The invention integrates real time monitoring and wireless meter reading so as to solve the issue of meter reading without need of dedicated lines. The invention realizes remote monitoring the quality of electrical energy in distribution system in wireless and real time mode and automatic wireless meter reading as well as providing the function of periodical analysis and valuation.
Description
Technical field
The present invention relates to field of wireless communication, relate in particular to based on internet integrated measuring and recording electric distribution instrument is carried out the wireless telecommunications control method, can be used for the remote real time monitoring and the periodic analysis assessment of power distribution system quality of electric power.
Background technology
At present, comprehensive power distribution commonly used is surveyed the scheme that recording system adopts and is in the distribution system: the technical staff regularly holds special-purpose meter-copy device or check meter in laptop computer auto levelizer erecting bed, with copy data take back monitoring center, carry out statistical analysis in the input computer.There is following defective in this scheme: need the technical staff regularly to check meter to the scene, the speed of checking meter is slow, and workload is big.Owing to be regularly to check meter to the scene, possibly can't in time find if go wrong, and can't accomplish to obtain real-time Monitoring Data whenever and wherever possible, be unfavorable for that power supply department in time carries out the enforcement of monitoring to the quality of power supply.If will realize that remote meter reading then needs to lay communication line specially, install communication device additional, expense is big, the cost height.
Summary of the invention
The present invention has overcome existing power distribution system quality of electric power monitoring device will be provided a kind of and based on internet integrated measuring and recording electric distribution instrument be carried out the wireless telecommunications control method regularly to the on-the-spot defective of checking meter, can not realize remote real time monitoring.The data such as every power quality index of the distribution system that this wireless telecommunications control method can be measured instrument for measuring and recording are carried out communication with wireless mode, and data are sent to internet (INTERNET net, hereinafter to be referred as INTERNET) on, realize that the long distance wireless of power distribution system quality of electric power is monitored in real time.
The present invention is achieved in that and a kind ofly based on internet integrated measuring and recording electric distribution instrument is carried out the wireless telecommunications control method, it is characterized in that
1. when client proposes to check requiring of data the integrated measuring and recording electric distribution instrument, the webserver contact of a client computer and a fixed ip address, send call request, this request sends to server with the ID of the instrument for measuring and recording that the IP address and the requirement of client machine are checked;
2. after server is received this request, tabulate according to the instrument for measuring and recording that the instrument for measuring and recording ID search of receiving is left in the server database, then do not return an error message if find, if find the record of this instrument for measuring and recording, then the telephone number according to this instrument for measuring and recording in the record carries out phonetic dialing to instrument for measuring and recording;
3. if instrument for measuring and recording detects phonetic dialing and is in idle condition, then hang up this dialing, the dialing of carrying out GPRS is landed then, log on behind the INTERNET initiatively and server contact, obtain the IP address of client machine from server, instrument for measuring and recording will initiatively send packet to connect to client computer, indicate if success then sends successful connection to server, the task of server is finished, subsequently the direct swap data of client computer and instrument for measuring and recording;
4. if instrument for measuring and recording fails to connect with client machine, then send connection failure and indicate, return an error message to client machine by server to server;
5. if server is when instrument for measuring and recording carries out phonetic dialing, the instrument for measuring and recording no response, then server returns the unresponsive information of instrument for measuring and recording to client, and stops this time connecting;
6. after transfer of data finishes, send the termination order, finish this time to connect by client.
Above-mentioned carries out the wireless telecommunications control method based on internet to integrated measuring and recording electric distribution instrument, described client is carried out data communication by GPRS net and INTERNET net and instrument for measuring and recording, after reading the real time data and historical data in the instrument for measuring and recording, data are deposited in the client database, generate and print every data statistics form, and Various types of data is graphically shown.
The present invention is based on GPRS and the INTERNET net carries out telecommunication control to integrated measuring and recording electric distribution instrument, has removed the trouble of checking meter in the technical staff scene from, can monitor in real time in Surveillance center at different levels.The present invention has comprised the control method that connects between the computer of on-the-spot integrated measuring and recording electric distribution instrument, GPRS net and INTERNET net, user side, utilize the GPRS communication platform, rely on existing INTERNET network, on-the-spot integrated measuring and recording electric distribution instrument data monitored is transmitted with wireless mode, collect real-time monitoring and radio meter register and one, need not the trouble that special circuit just can the scene of solving be checked meter and brought, the long distance wireless of having realized power distribution system quality of electric power is monitored in real time and is not had line automation and check meter.
Integrated measuring and recording electric distribution instrument is selected the high-performance cpu chip for use, makes that the speed of data collection and analysis is faster, precision is higher, memory data output is bigger, has both satisfied the periodic analysis of electric power quality, is applicable to the real-time monitoring and the fault alarm of the quality of power supply again.
Based on data transfer mode and the traditional wire transmission mode of GPRS and INTERNET and deposit, GPRS (General Packet Radio Service) GPRS, it is the radio network technique that is based upon the 2.5G on the GSM basis, and owing to introduce revolutionary grouping concept, thereby a kind of advanced person's effective means are provided for the equipment wireless access INTERNET that uses at present.The monitoring device of system has adopted the GPRS radio network technique.The client can move on any one computer that can insert INTERNET, via INTERNET network and GPRS network, under the support of the webserver, can be from the integrated measuring and recording electric distribution instrument at any one scene that is installed in a distant place reading of data.Data need not to apply for special line or lay cable by existing public communication networks transmission, the communication speed height, and the highest up baud rate can reach 42.8kbps.In order to take into account the low side customer demand, native system has also kept traditional Serial Data Transfer Mode mode simultaneously.
Client-based data of database storage and statistics, after the data of client user in having read comprehensive power distribution survey record, data are deposited in the client database according to form, on the basis of this database, the data of surveying record are carried out statistics and analysis, generate and print every data statistics form, and Various types of data is graphically shown.
The invention has the beneficial effects as follows: adopted wireless communication mode based on GPRS, removed the trouble of checking meter in the technical staff scene from, and only need pay rational information communication expense (collecting according to data volume) by telecommunication department, the more important thing is to monitor in real time with automation and check meter, and need not to lay special communication line in Surveillance center at different levels.
Description of drawings
Fig. 1 the present invention is based on internet integrated measuring and recording electric distribution instrument is carried out the structural representation of wireless telecommunications control method, the flow chart that Fig. 2 connects for client computer and on-the-spot integrated measuring and recording electric distribution instrument.Fig. 3 is the integrated measuring and recording electric distribution instrument block diagram.
Among the figure: 1 integrated measuring and recording electric distribution instrument, 2GPRS network and INTERNET network, 3 clients, 4 servers.
Embodiment
Referring to Fig. 1, Fig. 2, based on GPRS and INTERNET net integrated measuring and recording electric distribution instrument is carried out the telecommunication control system and form: 1) data monitoring tape deck---integrated measuring and recording electric distribution instrument by three parts; 2) data transmission channel---GPRS network and INTERNET network (comprising special server and program); 3) client computer program.
Based on internet integrated measuring and recording electric distribution instrument being carried out the wireless telecommunications control method is:
1. when the client operation personnel propose to check requiring of data in the integrated measuring and recording electric distribution instrument, client-side program will be automatically (server can be the large server in the INTERNET network with the webserver contact of a fixed ip address, it also can be the fixedly computer of IP, the former is used for large-scale system and reliability height, the latter is used for mini system and operating cost is low), send call request, this request sends to server with the ID of the instrument for measuring and recording that the IP address and the requirement of client machine are checked;
2. server is after receiving this request, tabulate according to the instrument for measuring and recording that the instrument for measuring and recording ID search of receiving is left in the server database, then do not return an error message if find, if find the record of this instrument for measuring and recording, then the telephone number (139xxxxxxxx) according to this instrument for measuring and recording in the record carries out phonetic dialing to instrument for measuring and recording;
3. if instrument for measuring and recording detects phonetic dialing and is in idle condition, then hang up this dialing, the dialing of carrying out GPRS is landed then, log on behind the INTERNET initiatively and server contact, obtain the IP address of client machine from server, instrument for measuring and recording will initiatively send packet to connect to client computer, indicate if success then sends successful connection to server, the task of server is finished, subsequently the direct swap data of client computer and instrument for measuring and recording;
4. if instrument for measuring and recording fails to connect with client machine, then send connection failure and indicate, return an error message to client machine by server to server;
5. if server is when instrument for measuring and recording carries out phonetic dialing, the instrument for measuring and recording no response, then server returns the unresponsive information of instrument for measuring and recording to client, and stops this time connecting;
6. after transfer of data finishes, send the termination order, finish this time to connect by client.
Client is carried out data communication by GPRS network and INTERNET and instrument for measuring and recording, read the real time data and historical data in the instrument for measuring and recording after, client deposits data in the database in.Client again to database manage, the graphical demonstration of the generation of every data statistics form and printing, Various types of data etc.
Referring to Fig. 3, for integrated measuring and recording electric distribution instrument, instrument for measuring and recording is installed in the low pressure outlet side of each distribution transforming, and monitoring is the quality of power supply of record distribution transforming power supply also, and this device has the GPRS network access function, can carry out wireless data transmission.A kind of integrated measuring and recording electric distribution instrument, comprise the AC-DC supply module, voltage, current transformer, digital to analog converter ADC, digital signal processor CPU1, system clock and parameter storage, program storage 1, data storage, outer logic circuit 1, communication module interface that is connected with CPU1 and GPRS address card, the GPRS address card comprises digital signal processor CPU2, program storage 2, outer logic circuit 2, communication interface module, GPRS module and SIM card, CPU2 is through interrupting and control line, data/address bus, address bus connects outer logic circuit 2, CPU2 is through address bus and data/address bus linker memory 2, CPU2 connects CPU1 by communication module through serial communication interface, with the CPU1 swap data, CPU2 connects the GPRS module by string and modular converter simultaneously, the GPRS module connects SIM card, CPU2 and GPRS module and SIM card are carried out exchanges data, the GPRS module connects antenna, and data-signal is gone out through antenna transmission.
Client computer program is and the integrated measuring and recording electric distribution instrument communication, reads the power quality parameter of distribution transforming.
Adopt the GPRS pattern, because data are transmitted by INTERNET, time-delay is short, the reliability height, power system capacity is big, therefore can set up the pattern of data center, makes full use of the network data base on the INTERNET, convenient inquiry and retrieval, data center's pattern can also alleviate the maintenance difficulties of user to system.
The agreement that the data transmission procedure of native system adopts is User Datagram Protoco (UDP) (UDP), and this agreement is definition is used for providing the compunication of packet switch in the interference networks environment a agreement, and this agreement thinks that Internet protocol (IP) is its lower-layer protocols.UDP is because fast simple, and relatively more suitable MCU uses.Below be based on the data communication establishment of connection flow process of INTERNET: all GPRS modules are after finishing system initialization, and active and server carry out exchanges data first.The GPRS module adopts the mode of PPP to insert INTERNET, therefore will finish PPP earlier and connect, and its process is as follows:
1) at first the ECHO of GPRS module is closed, MCU sends ATE0V1 to the GPRS module;
2) finish the initialization of access: AT+CGDCONT=1, " IP ", " CMNET ";
3) call out CMNET:ATD*99***1#;
4) initiatively send later the LCP information bag to module at the feedback information that obtains CONNECT, carry out the negotiation of controlling links;
5) after the LCP configuration successful, enter the cipher authentication stage;
6) the negotiation configuration of PAP by needing to carry out IP later on-＞IPCP;
7) passed through after the IPCP, just can utilize UDP to carry out transfer of data.
Claims (2)
1. one kind is carried out the wireless telecommunications control method based on internet to integrated measuring and recording electric distribution instrument, it is characterized in that
1. when client proposes to check requiring of data the integrated measuring and recording electric distribution instrument, the webserver contact of a client computer and a fixed ip address, send call request, this request sends to server with the ID of the instrument for measuring and recording that the IP address and the requirement of client machine are checked;
2. after server is received this request, tabulate according to the instrument for measuring and recording that the instrument for measuring and recording ID search of receiving is left in the server database, then do not return an error message if find, if find the record of this instrument for measuring and recording, then the telephone number according to this instrument for measuring and recording in the record carries out phonetic dialing to instrument for measuring and recording;
3. if instrument for measuring and recording detects phonetic dialing and is in idle condition, then hang up this dialing, the dialing of carrying out GPRS is landed then, log on behind the INTERNET initiatively and server contact, obtain the IP address of client machine from server, instrument for measuring and recording will initiatively send packet to connect to client computer, indicate if success then sends successful connection to server, the task of server is finished, subsequently the direct swap data of client computer and instrument for measuring and recording;
4. if instrument for measuring and recording fails to connect with client machine, then send connection failure and indicate, return an error message to client machine by server to server;
5. if server is when instrument for measuring and recording carries out phonetic dialing, the instrument for measuring and recording no response, then server returns the unresponsive information of instrument for measuring and recording to client, and stops this time connecting;
6. after transfer of data finishes, send the termination order, finish this time to connect by client.
2. according to claim 1ly integrated measuring and recording electric distribution instrument is carried out the wireless telecommunications control method based on internet, it is characterized in that client carries out data communication by GPRS net and INTERNET net and instrument for measuring and recording, after reading the real time data and historical data in the instrument for measuring and recording, data are deposited in the client database, generate and print every data statistics form, and Various types of data is graphically shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03117092A CN1463092A (en) | 2003-05-22 | 2003-05-22 | Wireless communication method of controlling integrated measuring and recording electric distribution instrument based on Internet |
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| CN03117092A CN1463092A (en) | 2003-05-22 | 2003-05-22 | Wireless communication method of controlling integrated measuring and recording electric distribution instrument based on Internet |
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| CN1463092A true CN1463092A (en) | 2003-12-24 |
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| CN03117092A Pending CN1463092A (en) | 2003-05-22 | 2003-05-22 | Wireless communication method of controlling integrated measuring and recording electric distribution instrument based on Internet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242326B (en) * | 2007-10-24 | 2011-05-04 | 吴明星 | Automatic entry for electronic label code of remote meter reading system device |
| CN102624099A (en) * | 2012-04-12 | 2012-08-01 | 上海诺雅克电气有限公司 | Device for monitoring network connection state of smart grid |
-
2003
- 2003-05-22 CN CN03117092A patent/CN1463092A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242326B (en) * | 2007-10-24 | 2011-05-04 | 吴明星 | Automatic entry for electronic label code of remote meter reading system device |
| CN102624099A (en) * | 2012-04-12 | 2012-08-01 | 上海诺雅克电气有限公司 | Device for monitoring network connection state of smart grid |
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