CN202395934U - Power-expenditure information collecting system based on EPON and wireless self-networking technology - Google Patents
Power-expenditure information collecting system based on EPON and wireless self-networking technology Download PDFInfo
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- CN202395934U CN202395934U CN2011203114256U CN201120311425U CN202395934U CN 202395934 U CN202395934 U CN 202395934U CN 2011203114256 U CN2011203114256 U CN 2011203114256U CN 201120311425 U CN201120311425 U CN 201120311425U CN 202395934 U CN202395934 U CN 202395934U
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Abstract
The utility model provides a power-expenditure information collecting system based on EPON and wireless self-networking technology and relates to a power-expenditure information collecting system. The power-expenditure information collecting system based on EPON and wireless self-networking technology in the utility model solves problems of low communication rate, poor timeliness and low reliability of a prior power-expenditure information collecting system. A distribution room terminal adopts a method of EPON network to communicate with a main station of a power user power-expenditure information collecting system. The distribution room terminal communicates with a collector in a method of wireless self networking. The utility model adopts EPON network technology in uplink communication while wireless self-networking technology in downlink communication. By utilizing the EPON and wireless self-networking technology, the systematic networking is realized, thereby realizing the communication between the main station of the system and a to-be-detected electricity meter. The communication rate is high, the timeliness is good and the reliability is high. The power-expenditure information collecting system based on EPON and wireless self-networking technology in the utility model is suitable for collecting power-expenditure information.
Description
Technical field
The utility model relates to a kind of power information acquisition system.
Background technology
In May, 2009, State Grid Corporation of China has clearly proposed the development plan of " strong intelligent grid ", has got into the all-round construction stage at present.During " 12 ", annual State Grid Corporation of China input is more than hundred billion yuan.Power consumer power information acquisition system (is called for short: the power information acquisition system) as the important component part of the senior measurement system of intelligent grid AMI; For intelligent grid is realized informationization, automation, interactive technically; Realize grouping of the world economy, intensification, lean, standardization in the management, play crucial effects.From 2010, net the annual bid fund of tame electrical network company and reach billions of units to tens billion of units.
Present power consumer power information acquisition system generally has two types of modes to the data acquisition of resident's ammeter.The 1st type is three-decker: concentrator ← → collector ← → ammeter >; (be called for short: upwards communication) mode has GPRS/CDMA/ broadband/PSTN/ wireless private network in communication between concentrator and the main website; (be called for short: communication downwards) mode has RS485 bus/power line carrier/point-to-point small wireless, adopts RS485 communication between collector and the ammeter in communication between concentrator and the collector.The 2nd type is double-layer structure: concentrator ← → ammeter >; The uplink communication of concentrator adopts GPRS/CDMA/ broadband/PSTN/ wireless private network; (be called for short: communication downwards) adopt power line carrier, perhaps direct and ammeter links with the RS485 mode in communication between concentrator and the ammeter.Information gathering to dedicated transformer and common transformer is respectively special change acquisition terminal, distribution transformer monitoring terminal; Communication (being called for short: the upwards communicate by letter) mode that specially becomes between acquisition terminal, distribution transformer monitoring terminal and the main website has GPRS/CDMA/ broadband/PSTN/ wireless private network, connects smart machines such as three-phase intelligent ammeter, harmonic wave control and reactive power compensator, intelligent switch, temperature of oil in transformer measurement mechanism downwards through RS485.
But propelling along with the intelligent grid construction; Power information acquisition system included distribute-electricity transformer district quantity in each province and city is in quick increase; By concentrator, specially become informational capacity that acquisition terminal, distribution transformer monitoring terminal upload to main website also in quick increase, simultaneity factor requires also to improve constantly to the real-time of communication.So aspect user's service; Realize the modernization operation of marketing management and the intelligent Application of sales service; Carry out intelligent subscriber management and service, construction intelligent power sub-district comprehensively; Realize electrical network and user's two-way interaction etc.; Occurred being installed on that information gathering between each Terminal Type and resident's ammeter, platform district summary table, harmonic wave control and reactive power compensator, intelligent switch, the temperature of oil in transformer measurement mechanism etc. at 10kV/0.4kV distribution transformer place is low with interactive traffic rate, real-time and the not high problem of reliability, be commonly referred to " last kilometer " problem.In addition, at economic aspect, concentrator, specially to become the maintenance cost of communicating by letter annual between acquisition terminal, distribution transformer monitoring terminal and the main station system high also be problem of puzzlement power supply enterprise.
The utility model content
The utility model is for the problem that traffic rate is low, real-time is poor, reliability is low that solves existing power information acquisition system, thereby a kind of power information acquisition system based on EPON and wireless self-networking technology is provided.
Based on the power information acquisition system of EPON and wireless self-networking technology, it comprises N collector, and said collector adopts RS485 mode and ammeter to be measured to communicate; It also comprises terminal, power consumer power information acquisition system main website He Tai district; The Tai Qu terminal adopts the mode and the power consumer power information acquisition system main website of EPON network to communicate; The Tai Qu terminal adopts the mode of wireless self-networking to communicate by letter with collector, and N is a positive integer.
Power consumer power information acquisition system main website comprises client, data server, WEB server and M platform front end processor, and said client, data server, WEB server and M platform front end processor all are connected among the Ethernet, and M is a positive integer.M platform front end processor can be supported EPON communication.The Tai Qu terminal is concentrator, public distribution transformer monitoring terminal or specially becomes acquisition terminal.
The Tai Qu terminal comprises the optical network unit OUN module and the wireless self-networking communication module of signal processing module, EPON network, and the EPON signal of communication of the optical network unit OUN module of said EPON network inputs or outputs end and is connected with the output of EPON signal of communication or the input of signal processing module; The wireless self-networking signal of communication of wireless self-networking communication module inputs or outputs end and is connected with the output of wireless self-networking signal of communication or the input of signal processing module.
The Tai Qu terminal also comprises RS485 interface module, RS232 interface module, infrared module and remote signal module, and the RS485 signal output of said RS485 interface module or input input or output end with the RS485 signal of signal processing module and be connected; The RS232 signal output of RS232 interface module or input input or output end with the RS232 signal of signal processing module and are connected; The infrared signal output of infrared module or input input or output end with the infrared signal of signal processing module and are connected; The remote signals output of remote signal module or input input or output end with the remote signals of signal processing module and are connected.It also comprises AC sampling module and pulse input/output module, and the ac sampling signal output of said AC sampling module is connected with the ac sampling signal input of signal processing module; The pulse signal of pulse input/output module inputs or outputs end and is connected with the pulse signal output or the input of signal processing module.It also comprises power module, display module and key-press module, and the power supply signal output of power module is connected with the power supply signal input of signal processing module; The shows signal input of display module is connected with the shows signal output of signal processing module; The push button signalling output of key-press module is connected with the push button signalling input of signal processing module.
Collector comprises processing module, a RS485 interface and No. two RS485 interfaces; The RS485 signal of a said RS485 interface inputs or outputs end and is connected with the RS485 signal output or the input of processing module, and the RS485 signal of No. two RS485 interfaces inputs or outputs end and is connected with No. two RS485 signal output or the input of processing module; The wireless self-networking signal of communication output of processing module or input input or output end with the wireless self-networking signal of communication of wireless self-networking communication module and are connected.Collector also comprises supply module, infrared unit, door junction unit, display unit and push-button unit, and the power supply signal output of supply module is connected with the power supply signal input of processing module; The infrared signal output of infrared unit or input input or output end with the infrared signal of processing module and are connected; The door contact point signal output of door junction unit or input input or output end with the door contact point signal of processing module and are connected; The shows signal of display unit inputs or outputs end and inputs or outputs to hold with the shows signal of processing module and be connected; The push button signalling of push-button unit inputs or outputs end and inputs or outputs to hold with the push button signalling of processing module and be connected.
Beneficial effect: the utility model has adopted the EPON network technology at uplink communication; Downlink communication adopts the wireless self-networking technology; Utilize EPON and wireless self-networking technology to carry out system group network, realized the communication between main website of system and the ammeter to be measured, traffic rate is low high; Real-time, reliability is high.
Description of drawings
Fig. 1 is the networking principle schematic of the utility model; The main website structural representation of Fig. 2 the utility model; Fig. 3 is the platform district terminal structure sketch map of the utility model; Fig. 4 is the structural representation of the utility model collector.
Embodiment
Embodiment one, combination Fig. 1 explain this embodiment, and based on the power information acquisition system of EPON and wireless self-networking technology, it comprises N collector, and said collector adopts RS485 mode and ammeter to be measured to communicate; It also comprises terminal, power consumer power information acquisition system main website He Tai district; The Tai Qu terminal adopts the mode and the power consumer power information acquisition system main website of EPON network to communicate; The Tai Qu terminal adopts the mode of wireless self-networking to communicate by letter with collector, and N is a positive integer.
The utility model has the advantages that upwards and adopted the EPON network technology, communicate by letter with collector downwards simultaneously and adopted the wireless self-networking technology with master station communication.EPON technology (ethernet passive optical network) adopts point to multipoint configuration, passive fiber transmission, and multiple business is provided on Ethernet.It has adopted PON technology in physical layer, uses Ethernet protocol at link layer, utilizes the topological structure of PON to realize the access of Ethernet.Therefore, it combines the advantage of PON technology and ethernet technology: low cost, high bandwidth, autgmentability are by force, service is recombinated fast flexibly, with the compatibility of existing Ethernet, and management or the like easily.The wireless self-networking technology has automatic network-building, automatic route, automated path reparation, anti-interference characteristics such as strong; Have network coverage height simultaneously, structure is flexible, reliability is high, highly versatile, construction are laid characteristics such as simple, easy to maintenance, that the engineering total cost is low.The utility model utilizes EPON and wireless self-networking technology to carry out system group network; Realize information interchange between main website of system and resident's ammeter A, three-phase intelligent table B, platform district summary table, intelligent switch D, harmonic wave control and reactive power compensator C, the temperature of oil in transformer measurement mechanism and interactive high bandwidth, highly reliable, real-time, solved " last kilometer " problem of power consumer power information acquisition system preferably.
At present the EPON technology suit in most broadband access occasions; Along with the further maturation of technology and use and enlarge the cost that brings and descend; And the copper price rises and the optical fiber price descends, the light of operator advances copper and moves back construction, and the EPON large-scale application has been a kind of development trend in various broadband accesss field.In addition, along with the on probation of power optical fiber and progressively popularization, EPON will reduce the project cost and the operation maintenance expense of system in the application of power information acquisition system.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment two, this embodiment and embodiment one is; Power consumer power information acquisition system main website comprises client 11, data server 12, WEB server 13 and M platform front end processor 14; Said client 11, data server 12, WEB server 13 and M platform front end processor 14 all are connected among the Ethernet, and M is a positive integer.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment three, this embodiment and embodiment two is that M platform front end processor 14 can be supported EPON communication.
Front end processor is supported EPON communication in this execution mode, and communication protocol satisfies: DL/T 698.41-2010, Q/GDW 376.1-2009, and as shown in Figure 2.
Main website software is called survey, monitoring together, is analyzed field data, realizes to resident's electric energy centralized automatic meter-reading function with to the monitoring of ammeter operating mode; Realization is to long-range substation operation data acquisition, analysis or functions such as remote monitoring, analysis are carried out at large user's electricity consumption scene.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment four, this embodiment and embodiment one, two or three is that the Tai Qu terminal is concentrator, public distribution transformer monitoring terminal or specially becomes acquisition terminal.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment five, this embodiment and embodiment four is; The Tai Qu terminal comprises the optical network unit OUN module 22 and the wireless self-networking communication module 23 of signal processing module 21, EPON network, and the EPON signal of communication of the optical network unit OUN module 22 of said EPON network inputs or outputs end and is connected with the output of EPON signal of communication or the input of signal processing module 21; The wireless self-networking signal of communication of wireless self-networking communication module 23 inputs or outputs end and is connected with the output of wireless self-networking signal of communication or the input of signal processing module 21.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment six, this embodiment and embodiment five is; The Tai Qu terminal also comprises RS485 interface module 26, RS232 interface module 27, infrared module 28 and remote signal module 29, and the RS485 signal output of said RS485 interface module 26 or input input or output end with the RS485 signal of signal processing module 21 and be connected; The RS232 signal output of RS232 interface module 27 or input input or output end with the RS232 signal of signal processing module 21 and are connected; The infrared signal output of infrared module 28 or input input or output end with the infrared signal of signal processing module 21 and are connected; The remote signals output of remote signal module 29 or input input or output end with the remote signals of signal processing module 21 and are connected.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment seven, this embodiment and embodiment six is; It also comprises AC sampling module 25 and pulse input/output module 30, and the ac sampling signal output of said AC sampling module 25 is connected with the ac sampling signal input of signal processing module 21; The pulse signal of pulse input/output module 30 inputs or outputs end and is connected with the pulse signal output or the input of signal processing module 21.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment eight, this embodiment and embodiment seven is; It also comprises power module 24, display module 31 and key-press module 32, and the power supply signal output of power module 24 is connected with the power supply signal input of signal processing module 21; The shows signal input of display module 31 is connected with the shows signal output of signal processing module 21; The push button signalling output of key-press module 32 is connected with the push button signalling input of signal processing module 21.
The theory diagram at Tai Qu terminal is as shown in Figure 3, is installed under the distribution transformer.(1) concentrator is used for the occasion of needs collection resident electric energy meter data under the public distribution transforming; Uplink communication is through the optical network unit OUN module of EPON network; Downlink communication adopts the wireless self-networking communication module; It is core that processing module adopts philips ARM7DTI technical grade chip, is with power module, AC sampling module, interface module (RS485, RS232, infrared, remote signalling, pulse I/O) outward, the display button module is formed.Concentrator through collector regularly or copy and accept the electricity consumption data and the state information of resident's electric energy meter is in real time analyzed resulting data, sends data according to setting to main website.The AC sampling module provides function of measuring for the apolegamy module according to customer requirements.(2) the distribution transformer monitoring terminal is used for data acquisition, the operational factor monitoring of public distribution transformer, and function is copied at this terminal not config set; Specially become the monitoring and the control of intelligent apparatus under data acquisition that acquisition terminal is used for users' such as factory, school, hospital, office dedicated transformer, operational factor monitoring, the platform district.The distribution transformer monitoring terminal is with specially change acquisition terminal hardware module is identical with concentrator, and the AC sampling module is similarly the apolegamy module.Uplink communication adopts the EPON network; Because these two kinds of terminals do not connect resident's ammeter and just connect three-phase table and the smart machine under the platform district, downlink communication need not adopt wireless self-networking communication, as long as adopt RS485 communication.The Tai Qu terminal is different according to distribution transforming kind, user function demand, and Hardware configuration can be matched.Concentrator, distribution transformer monitoring terminal, the embedded software that specially becomes acquisition terminal have certain difference on function.
Tai Qu satisfies at the terminal following technical conditions.(1) concentrator: DL/T 698.31-2010, DL/T698.35-2010, DL/T 698.41-2010, Q/GDW 374.2-2009, Q/GDW 375.2-2009, Q/GDW376.1-2009, Q/GDW 376.2-2009; (2) distribution transformer monitoring terminal: DL/T 698.31-2010, DL/T698.34-2010, DL/T 698.41-2010, Q/GDW 374.1-2009, Q/GDW 374.2-2009, Q/GDW375.2-2009, Q/GDW 376.1-2009; (3) specially become acquisition terminal: DL/T 698.31-2010, DL/T698.33-2010, DL/T 698.41-2010, Q/GDW 374.1-2009, Q/GDW 375.1-2009, Q/GDW376.1-2009.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment nine, this embodiment and embodiment one, two, three, five, six, seven or eight is; Collector comprises processing module 41, a RS485 interface 45 and No. two RS485 interfaces 46; The RS485 signal of a said RS485 interface 45 inputs or outputs end and is connected with the RS485 signal output or the input of processing module 41, and the RS485 signal of No. two RS485 interfaces 46 inputs or outputs end and is connected with No. two RS485 signal output or the input of processing module 41; The wireless self-networking signal of communication output of processing module 41 or input input or output end with the wireless self-networking signal of communication of wireless self-networking communication module 23 and are connected.
The difference of the described power information acquisition system based on EPON and wireless self-networking technology of embodiment ten, this embodiment and embodiment nine is; Collector also comprises supply module 42, infrared unit 43, door junction unit 44, display unit 47 and push-button unit 48, and the power supply signal output of supply module 42 is connected with the power supply signal input of processing module 41; The infrared signal output of infrared unit 43 or input input or output end with the infrared signal of processing module 41 and are connected; The door contact point signal output of door junction unit 44 or input input or output end with the door contact point signal of processing module 41 and are connected; The shows signal of display unit 47 inputs or outputs end and inputs or outputs to hold with the shows signal of processing module 41 and be connected; The push button signalling of push-button unit 48 inputs or outputs end and inputs or outputs to hold with the push button signalling of processing module 41 and be connected.
The theory diagram of collector is as shown in Figure 4, be installed in resident's ammeter box or near.Uplink communication is communicated by letter with concentrator through the wireless self-networking communication module, and downlink communication adopts RS485 bus and resident's ammeter to communicate.It is core that processing module adopts philips ARM7DTI technical grade chip, is with power module, interface module (infrared, door contact), display button module composition outward.Collector regularly or copy and accept the electricity consumption data and the ammeter box door opening and closing state information of resident's electric energy meter is in real time preserved by setting resulting data, communicates with concentrator.
Collector satisfies following technical conditions: DL/T 698.31-2010, DL/T 698.35-2010, DL/T698.41-2010, Q/GDW 374.2-2009, Q/GDW 375.3-2009.
Certainly; Above-mentioned explanation is not to be the restriction to the utility model; The utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that the technical staff in present technique field is made in the essential scope of the utility model also should belong to the protection range of the utility model.
Claims (9)
1. based on EPON and the technological power information acquisition system of wireless self-networking; It comprises N collector; Said collector adopts RS485 mode and ammeter to be measured to communicate, and it is characterized in that: it also comprises terminal, power consumer power information acquisition system main website He Tai district, and the Tai Qu terminal adopts the mode and the power consumer power information acquisition system main website of EPON network to communicate; The Tai Qu terminal adopts the mode of wireless self-networking to communicate by letter with collector, and N is a positive integer.
2. the power information acquisition system based on EPON and wireless self-networking technology according to claim 1; It is characterized in that: power consumer power information acquisition system main website comprises client (11), data server (12), WEB server (13) and M platform front end processor (14); Said client (11), data server (12), WEB server (13) and M platform front end processor (14) all are connected among the Ethernet; Said M is a positive integer, and M platform front end processor (14) can be supported EPON communication.
3. the power information acquisition system based on EPON and wireless self-networking technology according to claim 1 and 2, it is characterized in that: the Tai Qu terminal is concentrator, public distribution transformer monitoring terminal or specially becomes acquisition terminal.
4. the power information acquisition system based on EPON and wireless self-networking technology according to claim 3; It is characterized in that: the Tai Qu terminal comprises the optical network unit OUN module (22) and the wireless self-networking communication module (23) of signal processing module (21), EPON network, and the EPON signal of communication of the optical network unit OUN module (22) of said EPON network inputs or outputs end and is connected with the output of EPON signal of communication or the input of signal processing module (21); The wireless self-networking signal of communication of wireless self-networking communication module (23) inputs or outputs end and is connected with the output of wireless self-networking signal of communication or the input of signal processing module (21).
5. the power information acquisition system based on EPON and wireless self-networking technology according to claim 4; It is characterized in that: the Tai Qu terminal also comprises RS485 interface module (26), RS232 interface module (27), infrared module (28) and remote signal module (29), and the RS485 signal output of said RS485 interface module (26) or input input or output end with the RS485 signal of signal processing module (21) and be connected; The RS232 signal output of RS232 interface module (27) or input input or output end with the RS232 signal of signal processing module (21) and are connected; The infrared signal output of infrared module (28) or input input or output end with the infrared signal of signal processing module (21) and are connected; The remote signals output of remote signal module (29) or input input or output end with the remote signals of signal processing module (21) and are connected.
6. the power information acquisition system based on EPON and wireless self-networking technology according to claim 5; It is characterized in that: it also comprises AC sampling module (25) and pulse input/output module (30), and the ac sampling signal output of said AC sampling module (25) is connected with the ac sampling signal input of signal processing module (21); The pulse signal of pulse input/output module (30) inputs or outputs end and is connected with the pulse signal output or the input of signal processing module (21).
7. the power information acquisition system based on EPON and wireless self-networking technology according to claim 6; It is characterized in that: it also comprises power module (24), display module (31) and key-press module (32), and the power supply signal output of power module (24) is connected with the power supply signal input of signal processing module (21); The shows signal input of display module (31) is connected with the shows signal output of signal processing module (21); The push button signalling output of key-press module (32) is connected with the push button signalling input of signal processing module (21).
8. according to claim 1,2,4,5,6 or 7 described power information acquisition systems based on EPON and wireless self-networking technology; It is characterized in that: collector comprises processing module (41), a RS485 interface (45) and No. two RS485 interfaces (46); The RS485 signal of a said RS485 interface (45) inputs or outputs end and is connected with the RS485 signal output or the input of processing module (41), and the RS485 signal of No. two RS485 interfaces (46) inputs or outputs end and is connected with No. two RS485 signal output or the input of processing module (41); The wireless self-networking signal of communication output of processing module (41) or input input or output end with the wireless self-networking signal of communication of wireless self-networking communication module (23) and are connected.
9. the power information acquisition system of stating according to Claim 8 based on EPON and wireless self-networking technology; It is characterized in that: collector also comprises supply module (42), infrared unit (43), door junction unit (44), display unit (47) and push-button unit (48), and the power supply signal output of supply module (42) is connected with the power supply signal input of processing module (41); The infrared signal output of infrared unit (43) or input input or output end with the infrared signal of processing module (41) and are connected; The door contact point signal output of door junction unit (44) or input input or output end with the door contact point signal of processing module (41) and are connected; The shows signal of display unit (47) inputs or outputs end and inputs or outputs to hold with the shows signal of processing module (41) and be connected; The push button signalling of push-button unit (48) inputs or outputs end and inputs or outputs to hold with the push button signalling of processing module (41) and be connected.
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| CN2011203114256U CN202395934U (en) | 2011-08-25 | 2011-08-25 | Power-expenditure information collecting system based on EPON and wireless self-networking technology |
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| CN2011203114256U CN202395934U (en) | 2011-08-25 | 2011-08-25 | Power-expenditure information collecting system based on EPON and wireless self-networking technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970079A (en) * | 2012-11-30 | 2013-03-13 | 桂林信通科技有限公司 | ONU (Optical Network Unit) equipment with acquisition function |
| CN103150888A (en) * | 2013-03-05 | 2013-06-12 | 康宇星科技(北京)有限公司 | Method for realizing automatic electricity meter reading based on Ethernet passive optical network |
-
2011
- 2011-08-25 CN CN2011203114256U patent/CN202395934U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970079A (en) * | 2012-11-30 | 2013-03-13 | 桂林信通科技有限公司 | ONU (Optical Network Unit) equipment with acquisition function |
| CN103150888A (en) * | 2013-03-05 | 2013-06-12 | 康宇星科技(北京)有限公司 | Method for realizing automatic electricity meter reading based on Ethernet passive optical network |
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