CN201282474Y - Single frequency wireless networking system capable of implementing multi-center acceptance confirmation - Google Patents
Single frequency wireless networking system capable of implementing multi-center acceptance confirmation Download PDFInfo
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- CN201282474Y CN201282474Y CNU2008200403587U CN200820040358U CN201282474Y CN 201282474 Y CN201282474 Y CN 201282474Y CN U2008200403587 U CNU2008200403587 U CN U2008200403587U CN 200820040358 U CN200820040358 U CN 200820040358U CN 201282474 Y CN201282474 Y CN 201282474Y
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- 230000006855 networking Effects 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract 1
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- 238000004891 communication Methods 0.000 description 3
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- 238000012544 monitoring process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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Abstract
The utility model relates to a wireless data transmission system, in particular to a single-frequency wireless networking system for realizing the multi-center receipt and confirmation, wherein, a telemetry station, a relay station and a central station all comprise wireless control modules and application control modules. The wireless control module arranges a message receiving address, receives wireless data pointed by a destination address at itself, conducts the route conversion and the wireless forwarding, and communicates with the application control module on data; and the application control module arranges a message transmitting device, generates self-report data or remote control order, sends to the wireless control module, and receives information of the wireless control module, conducts the data storage, and answers or responds to the remote control order. The wireless router control protocol of the utility model realizes the single-route messaging and the multi-center receipt and confirmation, and solves the problems, such as system collision and delay-indicator disturbance, caused by the multi-center receipt and confirmation.
Description
Technical field
The utility model relates to a kind of wireless system for transmitting data, especially relates to a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt.
Background technology
In the data acquisition and monitoring system, the data acquisition equipment and the central station that utilize radio station will be distributed in each remote measurement website are networked, realize remote data acquisition, supervision and control, have characteristics such as cost is low, construction is fast and reliable, obtained extensive use.
The wireless frequency that is used for remote transmission and control at present is very limited, changes traditional transmitting-receiving alien frequencies mode, adopts single-frequency point networking mode to become trend.During single frequency network, telemetry station, relay station and central station all adopt identical frequency to carry out wirelessly posting a letter and collecting mail, and adopt corresponding transmission and control protocol to carry out the network route and control.The characteristics of single frequency network: in same frequency coverage, only allow single website to be in emission state in any time system, other websites are in accepting state; The data collection time of system will prolong along with the increase of website scale; When the confirmation of receipt of needs central station, the propagation delay time will double.
Existing communication protocol is only supported the point-to-point acknowledgement transmissions mode that single station sends, single center receives and confirms.When needs list station sends the multicenter reception and confirms, can only post a letter respectively and wait acknowledge at each central station successively, the propagation delay time of system will form with the quantity of receiving center doubly to be increased, and energy consumption also increases thereupon, and the terminal of posting a letter need be preserved a plurality of routing iinformations.Like this, transmission delay will seriously limit system scale, and increase the difficulty of the terminal of posting a letter, when transistroute changes, and all necessary remotely modifying of every route of preserving in the telemetry station, the collision probability of system increases, and reliability reduces.
Summary of the invention
The purpose of this utility model is to provide a kind of single-frequency wireless networking system, realize single station single channel by post a letter, multicenter receives and confirm, solves in the data acquisition and monitoring system problem that the system's collision that receives because of multicenter and confirm to cause and time-delay index worsen.
The technical solution adopted in the utility model comprises: telemetry station, relay station and central station.
Telemetry station is made up of wireless control module and application controls module.Wireless control module is made of the MODEM of antenna, radio station, band microprocessor; The application controls module is made of transducer, data acquisition unit, human-machine operation equipment, power-supply system etc.
Relay station is made up of wireless control module and application controls module.Wireless control module is made of the MODEM of antenna, radio station, band microprocessor; The application controls module is made of transducer, data acquisition unit, power-supply system etc., perhaps only contains power-supply system.
Central station is made up of wireless control module and application controls module.Wireless control module is made of the MODEM of antenna, radio station, band microprocessor; The application controls module is made of computer, database, application software and the network equipment etc.
Route control protocol that single frequency network is wireless is embedded in the RFDC message, and the message content of RFDC comprises: header, control, Routing Protocol, command code, data and verification.
The utility model provides solution very flexibly for the single-frequency wireless networking; realized that single station single channel is by transmission; multicenter receives and confirms respectively; equipment has the interchangeability of height, can be widely used in oil gas pipe network, electric power facility, municipal works, communications and transportation, water conservancy construction, environmental protection and the monitoring and the control in field such as the decision-making of taking precautions against natural calamities.The utlity model has following characteristics:
1) any site location all can be set up central station in the system;
When 2) increasing the quantity of central station, telemetry station does not increase the extra number of times of posting a letter;
3) any website all can carry out Long-distance Control to other websites in the system;
4) the WM function of all websites is identical, and it is promptly interchangeable to change configuration;
5) AM of telemetry station and relay station can exchange.
Description of drawings
Fig. 1 is the wireless-transmission network structural representation.
Fig. 2 is a wireless transmission control message structure schematic diagram.
Fig. 3 is the route exchanging flow chart of the two central station confirmations of receipt in reciprocity position.
Fig. 4 is the route exchanging flow chart of the two central station confirmations of receipt in not reciprocity position.
Fig. 5 is the route exchanging flow chart that central station is held concurrently the two central station confirmations of receipt of relaying.
Embodiment
Single-frequency wireless networking method of the present utility model comprises telemetry station 1, relay station 2 and central station 3, as shown in Figure 1.Telemetry station according to by wireless network transmissions, send central station to receive from count off after relay station is transmitted, and the affirmation information of central station is given telemetry station by the reverse transfer route; The instruction of central station Long-distance Control telemetry station send telemetry station to receive after relay station is transmitted, and the response message of telemetry station is given central station according to the route reverse transfer of appointment.
Telemetry station is made up of wireless control module 4 and application controls module 5.Wireless control module 4 is made of the MODEM of antenna, radio station, band microprocessor; Application controls module 5 is made of transducer, data acquisition unit, human-machine operation equipment, power-supply system etc.
The relay station telemetry station comprises wireless control module 4 and application controls module 6 compositions.Application controls module 6 can adopt the configuration identical with telemetry station as required, perhaps simplifies.
The relay station telemetry station comprises wireless control module 4 and application controls module 7 compositions.Application controls module 7 disposes computer, database, application software and the network equipment etc. as required.
The wireless control module of each website distributes address RA, the application controls module assignment address TA that posts a letter.
Adopt wireless network communication protocol between the website,, embedded the wireless route control protocol of single frequency network RCP as Fig. 2.Below explain in detail the two central stations receptions of two types of reciprocity position and not reciprocity positions and the transmission course of affirmation, the central station application mode more than 3 or 3 is similarly.
1. two centers confirmation of receipt of reciprocity position
When two central stations carry out transfer of data by identical relay station, as Fig. 3, the WM of telemetry station 1 is arranged to terminal pattern, the WM of relay station 2a and 2b is arranged to repeater mode, the WM of central station 3a and 3b is arranged to center mode, the AM of central station 3a is provided with immediate answer, and the AM of central station 3b is provided with delayed response.Telemetry station 1 is from reporting flow process as follows:
1) telemetry station 1 according to 1. route from the count off certificate;
2) after relay station 2a received, WM did to judge and to operate:
A) DA=20, identical with RA, receive;
B) RI〉0, the WM repeater mode, then RI subtracts 1, and the IA ring shift left is according to routing forwarding 2.;
3) after relay station 2b receives, with the 2a similar operations, according to routing forwarding 3.;
4) after central station 3a received, WM did to judge and to operate:
A) DA=40, identical with RA, receive;
B) RI=0 transmits to AM;
After AM receives data, do to judge and to operate:
C) DT=1, direction is up, receives and affirmation immediately;
D) the IA backward is arranged, and TA substitutes SA, and the Preset Time of delaying time sends to WM according to 4. route;
E) extract the address 10 of initially posting a letter according to RI, storage;
After WM receives data, do to judge and to operate:
F) from the data of AM, transmit immediately;
5) after relay station 2b receives, with step 2) similar operations, according to routing forwarding 5.;
6) after relay station 2a receives, with step 2) similar operations, according to routing forwarding 6.;
7) after telemetry station 1 received, WM did to judge and to operate:
A) DA=10, identical with RA, receive;
B) RI=0 transmits to AM;
After AM receives data, do to judge and to operate:
C) DT=0, direction is descending, receives;
D) extract the address 50 of initially posting a letter according to RI, explain confirmation;
8) central station 3b takes place simultaneously in step 4), and after the reception, with the step 4) similar operations, the default time of AM time-delay is confirmed, confirms data by WM by route transmission 7.;
9) the affirmation information of central station 3b is according to 5), 6), 7) similarly step with route 8., 9. transmit, telemetry station extracts the address 60 of initially posting a letter, and obtains confirmation.
2. not two centers confirmation of receipt of reciprocity position
When two central stations carry out transfer of data by different relay stations, as Fig. 4, the WM of telemetry station 1 is arranged to terminal pattern, relay station 2a and 2b WM are arranged to repeater mode, the WM of central station 3a and 3b is arranged to center mode, the AM of central station 3a is provided with immediately and confirms that the AM of central station 3b is provided with delay confirmation.Telemetry station 1 is from reporting flow process as follows:
1)～7) the two center confirmation of receipt steps with reciprocity position are identical;
8) central station 3b takes place simultaneously in step 3), and after the reception, WM does to judge and to operate:
A) DA=30, identical with RA, receive;
B) RI〉0, the WM center mode is transmitted to AM;
After AM receives data, do to judge and to operate:
C) DT=1, direction is up, receives and delay confirmation;
D) the IA backward is arranged, and TA substitutes SA, sends to WM according to 7. route;
E) extract the address 10 of initially posting a letter according to RI, storage;
After WM receives data, do to judge and to operate:
F) from the data of AM, transmit immediately;
9) after relay station 2a receives, with step 2) similar operations, according to routing forwarding 8.; Telemetry station 1 extracts the address 60 of initially posting a letter, activity confirmation;
3. the relay station multicenter confirmation of receipt at center of holding concurrently
When central station had both needed to receive simultaneously the telemetry station data, when carrying out data forwarding as relay station again simultaneously, see Fig. 5, only need the WM of respective center station 3a is arranged to allocation model, AM is provided with the delay confirmation that does not bump and gets final product.This central station receive remote measurement from count off according to after, the wireless immediately forwarding of WM, and send to AM, AM sends confirmation to telemetry station after the time of delay adjustments.Like this, telemetry station does not change transmission route, does not increase the number of times of posting a letter yet, and can realize that multicenter receives and affirmation.
Claims (5)
1, a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt is characterized in that, comprises telemetry station, relay station and central station, wherein, and telemetry station, relay station is connected by wireless network with central station.
2, a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt according to claim 1, it is characterized in that, telemetry station is made up of wireless control module and application controls module, and wherein, wireless control module comprises the MODEM of antenna, radio station, band microprocessor; The application controls module comprises transducer, data acquisition unit, human-machine operation equipment, power-supply system.
3, a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt according to claim 1, it is characterized in that, relay station is made up of wireless control module and application controls module, and wherein, wireless control module comprises the MODEM of antenna, radio station, band microprocessor; The application controls module comprises transducer, data acquisition unit, power-supply system.
4, a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt according to claim 1, it is characterized in that, central station is made up of wireless control module and application controls module, and wherein, wireless control module is by the MODEM of antenna, radio station, band microprocessor; The application controls module comprises computer, database, application software and the network equipment.
5, a kind of single-frequency wireless networking system of realizing the multicenter confirmation of receipt according to claim 2 is characterized in that the application controls module only contains power-supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200403587U CN201282474Y (en) | 2008-07-15 | 2008-07-15 | Single frequency wireless networking system capable of implementing multi-center acceptance confirmation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200403587U CN201282474Y (en) | 2008-07-15 | 2008-07-15 | Single frequency wireless networking system capable of implementing multi-center acceptance confirmation |
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| CN201282474Y true CN201282474Y (en) | 2009-07-29 |
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| CNU2008200403587U Expired - Lifetime CN201282474Y (en) | 2008-07-15 | 2008-07-15 | Single frequency wireless networking system capable of implementing multi-center acceptance confirmation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021152A (en) * | 2012-11-22 | 2013-04-03 | 国网电力科学研究院 | Beidou data transmission method based on confirmation mode |
| RU2521962C2 (en) * | 2012-05-17 | 2014-07-10 | Стельмашенко Валерия Валерьевна | Automatic remote telemetry method |
-
2008
- 2008-07-15 CN CNU2008200403587U patent/CN201282474Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2521962C2 (en) * | 2012-05-17 | 2014-07-10 | Стельмашенко Валерия Валерьевна | Automatic remote telemetry method |
| CN103021152A (en) * | 2012-11-22 | 2013-04-03 | 国网电力科学研究院 | Beidou data transmission method based on confirmation mode |
| CN103021152B (en) * | 2012-11-22 | 2014-10-01 | 国网电力科学研究院 | Beidou data transmission method based on confirmation mode |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: STATE GRID ELECTRIC POWER RESEARCH INSITITUTE Effective date: 20131008 Owner name: STATE GRID ELECTRIC POWER RESEARCH INSITITUTE NANJ Free format text: FORMER OWNER: NANJING NARI CO., LTD. Effective date: 20131008 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210003 NANJING, JIANGSU PROVINCE TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131008 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Electric Power Research Insititute Patentee after: Nanjing Nari Co., Ltd. Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Patentee before: State Grid Electric Power Research Insititute Patentee before: Nanjing Nari Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171108 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: State Grid Electric Power Research Insititute Patentee after: State Grid Corporation of China Co-patentee after: NARI Technology Development Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Electric Power Research Insititute Patentee before: State Grid Corporation of China Co-patentee before: Nanjing Nari Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090729 |