CN202434037U - Novel consumed electricity information acquisition system based on time division long term evolution (TD-LTE) wireless broadband - Google Patents
Novel consumed electricity information acquisition system based on time division long term evolution (TD-LTE) wireless broadband Download PDFInfo
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- CN202434037U CN202434037U CN2011205584326U CN201120558432U CN202434037U CN 202434037 U CN202434037 U CN 202434037U CN 2011205584326 U CN2011205584326 U CN 2011205584326U CN 201120558432 U CN201120558432 U CN 201120558432U CN 202434037 U CN202434037 U CN 202434037U
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Abstract
The utility model discloses a novel consumed electricity information acquisition system based on a time division long term evolution (TD-LTE) wireless broadband. The system comprises an electricity communication control center, an intelligent electricity meter, an information control system, a TD-LTE communication system, a radio frequency processing device, a concentrator and an acquisition device. TD-LTE technology is adopted, a flexible uplink and downlink allocation scheme can be adopted, the downlink peak speed can be up to 80M, the uplink peak speed can be up to 20M, and a 64Kbps full double-station channel can be provided. A flat network architecture is adopted, the high-speed transmission of data can be ensured, and the system has the characteristics of short reaction time and high safety.
Description
Technical field
The utility model relates to a kind of electric system power information acquisition technique, relates in particular to a kind of novel power information acquisition system based on the TD-LTE WiMAX.
Background technology
At present, State Grid Corporation of China has proposed the notion of intelligent grid, and the structure of intelligent grid needs the power information acquisition system to possess high capacity, two-forty, multi-service and has the characteristic of self-healing function, and this has just proposed new requirement to the power information acquisition system; The power information acquisition system can be divided into backbone layer and Access Layer two parts, and the communication mode of present Access Layer mainly adopts EPA, power line carrier, wireless communication networks etc.; EPA is an active equipment, does not possess anti-multiple spot inefficacy property, and the dilatation cost is high, and the product standard of lack of uniform, can't overall applicability; The power line carrier transfer efficiency is low, and noise is big, and signal attenuation is serious, is inappropriate for the signal long-distance transmissions; The wireless communication networks networking is convenient, flexibly, used on a large scale at other field, so it can be used as a kind of means of supplementing out economy effectively of power communication system.
The TD-LTE technology is the wireless broadband communication technology a kind of of future generation that China proposes and have independent intellectual property right, and its standard and agreement are accepted by many countries and regions in the world at present.As the mainstream technology of wireless broadband communication of future generation, LTE is called the 4G technology by industry usually, and gordian technique that it is main and advantage are meant network architecture flattening more; Communicate through X2 between the ENode B; ENB and MME/S-GW are through being that the S1 interface communicates, and the structure of flattening has adapted to the needs of future communications development, has reduced SRT; Its flexible spectrum has bandwidth and duplex mode flexibly; Advanced antenna technology has adopted gordian techniquies such as OFDM and MIMO, and higher downloading rate is provided.
In the prior art, adopt the most employing 230,000,000 of power information collection or the GPRS mode of wireless communication networks, there is the problem that transfer efficiency is low, collection period is long, signal attenuation is fast, reliability is relatively poor in these acquisition modes.And in the existing wireless communication networks acquisition scheme, narrow band channel only being provided all, speed and bandwidth all can not satisfy the requirement of intelligent grid to electricity consumption link real-time, interactive business.
The EPON optical fiber private line network of utilizing that proposes is recently gathered the power information scheme, though this scheme has satisfied intelligent grid to electricity consumption link requirements for transmission; Need a large amount of optical cables of laying in jumbo residential block; Also to use a large amount of ONU unit, increase the cost that drops into, waste a large amount of fiber resources; And for residential block dispersion and remote countryside area, still inapplicable in view of economic feasibility.
Summary of the invention
To the problem in the background technology, the purpose of the utility model is: disclose a kind of novel power information acquisition system based on the TD-LTE WiMAX.
The utility model adopts following technical scheme to realize.
Novel power information acquisition system based on the TD-LTE WiMAX; Comprise power communication control center and intelligent electric meter, between power communication control center and intelligent electric meter, also comprise management information system, TD-LTE communication system, radio frequency handling device, concentrator and collector.
Wherein: said concentrator is connected with at least one intelligent electric meter through RS485 or RS232 serial ports, gathers the user power utilization information of intelligent electric meter record.
Collector and at least one concentrator carry out data transmission through the broadband power carrier system.
Radio frequency handling device carries out data transmission with few concentrator through the TCP/IP LAN.
Radio frequency handling device carries out data transmission through TD-LTE communication protocol and TD-LTE communication system.
Management information system is carried out data transmission through TD-LTE communication protocol and TD-LTE communication system, the power information of its intelligent electric meter of being in charge of is compiled, and sent to power communication control center.
Said power communication control center is connected with some management information systems, receives information that each management information system sends and control signal is realized control and management to the collection intelligent electric meter through management information system, radio frequency handling device, concentrator, collector.
Said power communication control center and management information system are carried out data transmission through TD-LTE WiMAX or internet.
The major function of TD-LTE communication system is to realize the wireless transmission of Information Monitoring and compile effect.
The beneficial effect of the utility model is: owing to adopted the TD-LTE technology; Link configuration scheme about can adopting flexibly; Descending peak rate can reach 80M; Up peak rate can reach 20M, and the full-duplex channel of 64Kbps can be provided, and can satisfy intelligent grid fully to the real-time of information acquisition system, interactive, two-forty, highly reliable, data transmission requirement cheaply.TD-LTE has adopted MIMO, and OFDM is technological, has adopted the network architecture of flattening, can guarantee the data in high speed transmission, and SRT is short, and safe characteristics, has adopted 8 array element smart antennas simultaneously, and coverage distance is guaranteed, and data amount transmitted is big.Make full use of existing resource simultaneously, the cost of reducing investment outlay, also can satisfy the needs that intelligent grid is built in remote countryside area.
Description of drawings
The structured flowchart of Fig. 1 embodiment 1;
The structured flowchart of the radio frequency handling device of Fig. 2 the utility model;
The structured flowchart of Fig. 3 embodiment 2;
Among Fig. 1 and Fig. 3: 1-power communication control center; The 2-management information system; 3-TD-LTE communication system; The 4-radio frequency handling device; The 5-concentrator; The 6-collector; The 7-intelligent electric meter;
Among Fig. 2: the 401-RF processing unit; The 402-interface board; The 403-signal processing unit; The 404-storer; 405-agreement control module; 406-CPU.
Embodiment
Embodiment 1; Referring to Fig. 1; Novel power information acquisition system based on the TD-LTE WiMAX; Comprise power communication control center 1 and intelligent electric meter 7, it is characterized in that: between power communication control center 1 and intelligent electric meter 7, also comprise management information system 2, TD-LTE communication system 3, radio frequency handling device 4, concentrator 5 and collector 6.Wherein: said concentrator 5 is connected with at least one intelligent electric meter 7 through RS485 or RS232 serial ports, gathers the user power utilization information of intelligent electric meter record.
Collector 6 carries out data transmission with at least one concentrator 5 through the broadband power carrier system.
Radio frequency handling device 4 carries out data transmission with few concentrator 5 through the TCP/IP LAN.
Radio frequency handling device 4 carries out data transmission through TD-LTE communication protocol and TD-LTE communication system 3.
Management information system 2 is carried out data transmission through TD-LTE communication protocol and TD-LTE communication system 3, the power information of its intelligent electric meter of being in charge of is compiled, and sent to power communication control center 1.
Said power communication control center 1 is connected with some management information systems 2, receives information that each management information system 2 sends and control and the management that control signal is realized the collection intelligent electric meter through management information system 2, radio frequency handling device 4, concentrator 5, collector 6.Said power communication control center 1 and management information system 2 are carried out data transmission through TD-LTE WiMAX or internet.
Embodiment 2; Referring to Fig. 3; The difference of present embodiment and embodiment 1 is; The acquisition system of power information data is different: intelligent electric meter 7 directly is transferred to radio frequency handling device 4 through RS485 or RS232 serial ports or TCP/IP LAN with the mode of electric signal with the user power utilization information of record, and without concentrator 5 and collector 6.Remaining processing section is identical with embodiment 1.
Embodiment 3; Referring to Fig. 2; Radio frequency handling device 4 comprises RF processing unit 401, interface board 402, signal processing unit 403, storer 404, agreement control module 405 and CPU406; Wherein: RF processing unit 401 receives the information of TD-LTE communication systems 3 and concentrator 5 and it is separated frequency modulation, removes input signal processing unit 403 behind the carrier frequency, data input store 404 buffer memorys after signal processing unit 403 will be handled through interface board 402; CPU406 handles the data in the storer 404; And the data after will handling, are sent to TD-LTE communication system 3 and concentrator 5 by RF processing unit 401 through interface board 402 after signal processing unit 403 encoding process through behind the storer 404.
In the utility model scheme, the TD-LTE frequency can be utilized 1800M, removes the 5M protection bandwidth of frequency band up and down, also has the 10M bandwidth of 1790M-1800M to utilize; Because TD-LTE has adopted the smart antenna of 8 passages; Adopted MIMO and BeamForming technology; At least can increase the 3db gain, strengthen covering power greatly, be under the situation of 64Kbit/s satisfying user's single edges speed; The covering radius of dense city can reach 3KM, and the remote countryside area can reach 20KM.
TD-LTE communication system 3 comprises the local transmission network of LTE core net, SDH and baseband processing unit BBU (indoor baseband processing unit), RRU (radio frequency remoto module), is connected through SDH this locality transmission network between ENode B (BBU+RRU) and the core net (MME/S-GW).
The complete course of work of the system of the utility model is:
The power information of intelligent electric meter 7 recording users; The power information that collector 6 is just gathered intelligent electric meter 7 recording users through RS485 serial ports or RS232 serial ports; Collector 6 is sent to concentrator 5 through the information of each intelligent electric meter 7 that broadband power ZAP PLC will collect; Concentrator 5 carries out data transmission through TCP/IP LAN protocol and radio frequency handling device 4; The electric signal that radio frequency handling device 4 receives carries out signal Processing through signal processing unit 403, sends to storer 404 then and carries out buffer memory, and agreement control module 405 is set up Radio Signaling Link through air interface protocol with RRU and is connected; The ascending time slot link that distributes according to the TD-LTE communication mode then; Through RF processing unit 401 data are sent to RRU, RRU is sent to BBU to the information of each radio frequency handling device 4 of collecting through feeder line or optical fiber transfer equipment, and BBU carries out converting light signal to behind signal Processing and the digit conversion to the information of receiving; Be sent to core net MME/S-GW through local transmission network SDH equipment then, core net is sent to power communication control center 1 through the information that power telecom networks such as preposition switch collect the most at last.
Claims (3)
1. based on the novel power information acquisition system of TD-LTE WiMAX; Comprise power communication control center (1) and intelligent electric meter (7); It is characterized in that: between power communication control center (1) and intelligent electric meter (7), also comprise management information system (2), TD-LTE communication system (3), radio frequency handling device (4), concentrator (5) and collector (6), wherein:
Said concentrator (5) is connected with at least one intelligent electric meter (7) through RS485 or RS232 serial ports, gathers the user power utilization information of intelligent electric meter record;
Collector (6) carries out data transmission with at least one concentrator (5) through the broadband power carrier system;
Radio frequency handling device (4) carries out data transmission with a few concentrator (5) through the TCP/IP LAN;
Radio frequency handling device (4) carries out data transmission through TD-LTE communication protocol and TD-LTE communication system (3);
Management information system (2) is carried out data transmission through TD-LTE communication protocol and TD-LTE communication system (3), the power information of its intelligent electric meter of being in charge of is compiled, and sent to power communication control center (1);
Said power communication control center (1) is connected with some management information systems (2), receives the information of each management information system (2) transmission and control signal is realized control and management to the collection intelligent electric meter through management information system (2), radio frequency handling device (4), concentrator (5), collector (6).
2. according to the said novel power information acquisition system of claim 1 based on the TD-LTE WiMAX; It is characterized in that: said radio frequency handling device (4) comprises RF processing unit (401), interface board (402), signal processing unit (403), storer (404), agreement control module (405) and CPU (406); Wherein: RF processing unit (401) receives the information of TD-LTE communication system (3) and concentrator (5) and it is separated frequency modulation; Remove input signal processing unit (403) behind the carrier frequency through interface board (402); Data input store (404) buffer memory after signal processing unit (403) will be handled; CPU (406) handles the data in the storer (404); And the data after will handling, are sent to TD-LTE communication system (3) and concentrator (5) by RF processing unit (401) through interface board (402) after signal processing unit (403) encoding process through behind the storer (404).
3. according to the said novel power information acquisition system based on the TD-LTE WiMAX of claim 1, it is characterized in that: said power communication control center (1) and management information system (2) are carried out data transmission through TD-LTE WiMAX or internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205584326U CN202434037U (en) | 2011-12-28 | 2011-12-28 | Novel consumed electricity information acquisition system based on time division long term evolution (TD-LTE) wireless broadband |
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| CN2011205584326U CN202434037U (en) | 2011-12-28 | 2011-12-28 | Novel consumed electricity information acquisition system based on time division long term evolution (TD-LTE) wireless broadband |
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| CN2011205584326U Expired - Fee Related CN202434037U (en) | 2011-12-28 | 2011-12-28 | Novel consumed electricity information acquisition system based on time division long term evolution (TD-LTE) wireless broadband |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446403A (en) * | 2011-12-28 | 2012-05-09 | 重庆朗天通讯股份有限公司 | Novel power utilization information collection system based on TD-LTE (time division-long term evolution) wireless broadband |
| CN102946424A (en) * | 2012-11-01 | 2013-02-27 | 江苏物联网研究发展中心 | Public network weather monitoring system based on digital microwave network |
| CN102970768A (en) * | 2012-11-01 | 2013-03-13 | 江苏物联网研究发展中心 | Weather monitoring system based on time division long term evolution (TD-LTE) public network |
| CN102970767A (en) * | 2012-11-01 | 2013-03-13 | 江苏物联网研究发展中心 | Weather monitoring system based on time division long term evolution (TD-LTE) private network |
| CN103220756A (en) * | 2013-04-18 | 2013-07-24 | 国家电网公司 | Connection method of monitoring system and wireless local area network in electric power engineering |
| CN104157123A (en) * | 2014-08-27 | 2014-11-19 | 国家电网公司 | Intelligent load monitoring system |
| CN107071999A (en) * | 2017-03-23 | 2017-08-18 | 金华送变电工程有限公司路灯分公司 | A kind of streetlight monitoring device |
| CN109961621A (en) * | 2017-12-22 | 2019-07-02 | 中国电信股份有限公司 | Automatic meter reading method, device, system and ammeter |
| CN110113762A (en) * | 2019-05-23 | 2019-08-09 | 江阴辰光通讯科技有限公司 | A method of it is wirelessly communicated for 5G network high-frequency section |
| US10890958B2 (en) | 2015-09-09 | 2021-01-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Centralized power meter and centralized power calculation method |
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2011
- 2011-12-28 CN CN2011205584326U patent/CN202434037U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446403B (en) * | 2011-12-28 | 2013-03-27 | 重庆朗天通讯股份有限公司 | Novel power utilization information collection system based on TD-LTE (time division-long term evolution) wireless broadband |
| CN102446403A (en) * | 2011-12-28 | 2012-05-09 | 重庆朗天通讯股份有限公司 | Novel power utilization information collection system based on TD-LTE (time division-long term evolution) wireless broadband |
| CN102970768B (en) * | 2012-11-01 | 2014-12-24 | 江苏物联网研究发展中心 | Weather monitoring system based on time division long term evolution (TD-LTE) public network |
| CN102946424A (en) * | 2012-11-01 | 2013-02-27 | 江苏物联网研究发展中心 | Public network weather monitoring system based on digital microwave network |
| CN102970768A (en) * | 2012-11-01 | 2013-03-13 | 江苏物联网研究发展中心 | Weather monitoring system based on time division long term evolution (TD-LTE) public network |
| CN102970767A (en) * | 2012-11-01 | 2013-03-13 | 江苏物联网研究发展中心 | Weather monitoring system based on time division long term evolution (TD-LTE) private network |
| CN103220756A (en) * | 2013-04-18 | 2013-07-24 | 国家电网公司 | Connection method of monitoring system and wireless local area network in electric power engineering |
| CN104157123A (en) * | 2014-08-27 | 2014-11-19 | 国家电网公司 | Intelligent load monitoring system |
| US10890958B2 (en) | 2015-09-09 | 2021-01-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Centralized power meter and centralized power calculation method |
| CN107071999A (en) * | 2017-03-23 | 2017-08-18 | 金华送变电工程有限公司路灯分公司 | A kind of streetlight monitoring device |
| CN107071999B (en) * | 2017-03-23 | 2023-10-24 | 金华送变电工程有限公司路灯分公司 | Street lamp monitoring device |
| CN109961621A (en) * | 2017-12-22 | 2019-07-02 | 中国电信股份有限公司 | Automatic meter reading method, device, system and ammeter |
| CN109961621B (en) * | 2017-12-22 | 2021-07-23 | 中国电信股份有限公司 | Automatic meter reading method, device and system and electric meter |
| CN110113762A (en) * | 2019-05-23 | 2019-08-09 | 江阴辰光通讯科技有限公司 | A method of it is wirelessly communicated for 5G network high-frequency section |
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