CN103839392A - Intelligent terminal of wireless remote meter reading system - Google Patents
Intelligent terminal of wireless remote meter reading system Download PDFInfo
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- CN103839392A CN103839392A CN201210483195.0A CN201210483195A CN103839392A CN 103839392 A CN103839392 A CN 103839392A CN 201210483195 A CN201210483195 A CN 201210483195A CN 103839392 A CN103839392 A CN 103839392A
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Abstract
The present invention discloses an intelligent terminal of a wireless remote meter reading system, and relates to an intelligent terminal, which comprises electricity meters (1), an acquisition device (2), a repeater (3), a concentrator (4) and a remote data receiving master station (5), wherein the multiple meters (1) and the acquisition device (2) are connected, and the acquisition device (2) is respectively connected with the repeater (3), the concentrator (4), the remote data receiving master station (5) and users (6). The intelligent terminal has characteristics of low network construction cost, short construction period, low maintenance, high disaster resistance, no farmland occupation, no wire check maintenance, no artificial destruction, easy data transfer, and strong interference resistance.
Description
Technical field
What the present invention relates to is a kind of intelligent terminal, is specifically related to a kind of wireless long-distance meter-reading system intelligent terminal.
Background technology
Remote intelligent meter recording gage work, is being related to public utilities industry, the operation of energy resource supply enterprise, management benefit.Traditional manual metering, monthly make an inventory from door to door ammeter by meter reading personnel, consume a large amount of human and material resources, and the time span of image data is large, the accuracy of image data is low, cannot meet " periodically, the requirement of real-time, accuracy ＂, adopt traditional manual metering mode can not adapt to modern social development.“
Current kilowatt meter reading-out system mainly contains: wired meter reading system, palm kilowatt meter reading-out system and wireless kilowatt meter reading-out system.Wherein wired meter reading system has increased expense and the difficulty of comprehensive wiring, has reduced the application flexibility of system, these drawbacks limit the promotion and application of wired meter reading system.The palm kilowatt meter reading-out system department's palm meter-copy device of need checking meter is copied and is fetched data, and its automaticity is low.Wireless kilowatt meter reading-out system adopts wireless transmitting-receiving equipments transmission data, does not need special stringing, and system architecture is simple, can save man power and material, and wired meter reading system and palm kilowatt meter reading-out system more have application advantage relatively.。Along with the development of wireless communication technology, there is in recent years the Wireless Networking towards low equipment cost, it is ZigBee technology, adopt this new technology to combine and realize long distance wireless automatic data logging with GPRS network technology, not only for power supply enterprise brings technological change, also for users' electricity consumption consumption brings many facilities.
Along with wireless technology development and perfect, China also brings into use various wireless technologys to explore radio meter register schemes, wherein representative radio meter register scheme have wireless data access based on GPRS, based on WLAN(WLAN (wireless local area network)) wireless access of technology, wireless data access technology and the ZigBee technology based on CFDA technology.But adopt the scheme of these technology all to have some defects: due to the specific (special) requirements to communication distance, communication speed, power consumption, network capacity etc., neither one is specially for the standard of centralized automatic meter-reading, centralized automatic meter-reading scheme based on micro power radio communication is divided from networking plan standard at present, be divided into two kinds, be a scheme for measured ZigBee technology, one is based upon scheme self-defining protocol specification is provided.The domestic communication protocol support of taking the advantage of the first scheme to be standard at present also facilitates interconnecting between devices from different manufacturers simultaneously.But also there are some problems, if the working frequency range of mostly applying is at present 2.4GHz, signal wave length, communication distance is limited; Protocol stack more complicated, needs more resource; Then scheme lacks a standard, and the communication chip characteristic of different manufacturers, protocol scheme are inconsistent, are unfavorable for the replacement of equipment.
Summary of the invention
For the deficiency existing in prior art, the present invention seeks to be to provide a kind of wireless long-distance meter-reading system intelligent terminal, networking expense is low, the construction period is short, maintenance is little, anti-disaster ability by force, do not occupy cultivated land, without line inspection maintenance, be not subject to that artificial destruction, data easily pass, antijamming capability is strong.
To achieve these goals, the present invention realizes by the following technical solutions: wireless long-distance meter-reading system intelligent terminal, comprise that ammeter, collector, repeater, concentrator and teledata receive master station, multiple ammeters are connected with collector, collector is connected with repeater, concentrator respectively, and concentrator receives master station with teledata and is connected with user.
According to above-mentioned wireless long-distance meter-reading system intelligent terminal, wherein, described collector comprises multiple data acquisition MCU and multiple collector ZigBee wireless communication module, and data acquisition MCU is connected with collector ZigBee wireless communication module.
According to above-mentioned wireless long-distance meter-reading system intelligent terminal, wherein, in described repeater, be provided with repeater ZigBee wireless communication module.
According to above-mentioned wireless long-distance meter-reading system intelligent terminal, wherein, described concentrator comprises concentrator ZigBee wireless communication module, data concentrator MCU and GPRS wireless communication module, and concentrator ZigBee wireless communication module, data concentrator MCU and GPRS wireless communication module are connected successively.
According to above-mentioned wireless long-distance meter-reading system intelligent terminal, wherein, described GPRS wireless communication module adopts MC39I module.
The present invention has following beneficial effect: networking expense is low, the construction period is short, maintenance is little, anti-disaster ability by force, do not occupy cultivated land, without line inspection maintenance, be not subject to that artificial destruction, data easily pass, antijamming capability is strong.
Accompanying drawing explanation
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present invention;
Fig. 2 is the theory diagram of ZigBee wireless communication module in the present invention;
Fig. 3 is the functional block diagram of GPRS wireless communication module in the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
With reference to Fig. 1-3, wireless long-distance meter-reading system intelligent terminal in the present embodiment, have advantages of that networking expense is low, the construction period is short, maintenance is little, anti-disaster ability by force, do not occupy cultivated land, without line inspection maintenance, be not subject to that artificial destruction, data easily pass, antijamming capability is strong.It comprises that ammeter 1, collector 2, repeater 3, concentrator 4 and teledata receive master station 5, and multiple ammeters 1 are connected with collector 2, and collector 2 is connected with repeater 3, concentrator 4 respectively, and concentrator 4 receives master station 5 with teledata and is connected with user 6.
It should be noted that described collector 2 comprises multiple data acquisition MCU21 and multiple collector ZigBee wireless communication module 22, data acquisition MCU21 is connected with collector ZigBee wireless communication module 22.
It should be noted that in described repeater 3 and be provided with repeater ZigBee wireless communication module 31.
It should be noted that, described concentrator 4 comprises concentrator ZigBee wireless communication module 41, data concentrator MCU42 and GPRS wireless communication module 43, and concentrator ZigBee wireless communication module 41, data concentrator MCU42 and GPRS wireless communication module 43 are connected successively.
It should be noted that described GPRS wireless communication module 43 adopts MC39I module.MC39I module is mainly by GSM baseband processor, GSM radio-frequency module, supply module (ASIC), and flash memory, ZIF connector, antennal interface six parts form, as shown in Figure 3.As the core of MC39I, baseband processor is mainly processed voice, the data-signal in GSM terminal, and has contained all analog-and digital-functions in cellular radio equipment.Do not needing, under the prerequisite of additional hardware circuit, can to support FR, HR and EFR voice channel coding.GSM radio frequency part is a single chip transceiver SMARTI, radio-frequency antenna part mainly realizes the modulation and demodulation of signal, realize the signal conversion between external radio-frequency signal and inner baseband processor, coupling power supply provides required power supply for processor and radio frequency part, and socket is available to user's application interface.It is rear for GSM baseband processor and and GSM radio frequency part that gsm module power supply ASIC part is used linear voltage regulator that the supply voltage VBATT+ of outside input is carried out to voltage stabilizing processing.SRAM is used for storing some user configuration informations, phone directory and out of Memory.
ZigBee wireless communication module in the present embodiment is by power circuit, JN5139 module, serial communication circuit, exterior storage circuit, temperature collection circuit, button and LED display circuit composition, its schematic diagram is as shown in Figure 2: JN5319 is as single-chip ZigBee solution, by ZigBee major function circuit package in module (as clock circuit, RF circuit etc.), can be used as independently terminal device (being collector), therefore only need to be to feed circuit, telecommunication circuit, data storage and temperature sensing circuit, four aspects of button and LED display circuit design.
(1) feed circuit: due to module application environment difference, in feed circuit design, two kinds of power supply modes are provided, powered battery and mains-supplied, can select flexibly required power supply mode by bouncing pilotage, consider that device is more responsive for stability and the unsettled impact of battery current of line voltage, in external power supply, add and there is off state low noise low pressure drop flow-limiting voltage-stabilizing device, and the pipe that takes a policy in battery feed circuit, guarantee the stable of Power supply part.
(2) telecommunication circuit: in module wire communication mode, designed equally two kinds of communication modes to meet the different demand of application.JN5139 module provides two-way asynchronous serial communication interface, native system extends out on this basis, make the module image data of communicating by letter with intelligent meter in RS485 mode, consider that module communicates by letter and do not need level conversion with intelligent meter, therefore dwindle wireless module volume and save space to simplify circuit with contact pin mode direct lead wire.Data transmission need be carried out with concentrator or physically connected in another road, needs a RS232 level conversion here, selects MAX3223 level transferring chip, equally interface is drawn in contact pin mode, to adapt to the design's demand
(3) data storage and temperature, humidity detection circuit: because temperature, humidity in vasculum affect larger on measuring instrument, when image data, need to measure temperature, humidity in case, in order to divide watchman's clapper to judge to result, therefore add temperature, humidity collection part in system.In gathering measuring instrument data by case in temperature, hygroscopy upload.Communication is adopted by route competitive mode transmission data, and data can not guarantee real-time transmission, and the data that do not send need to be preserved and be waited a moment repeating transmission, and in order to strengthen data cut-off protection, have designed and extend out storage in circuit.Temperature Humidity Sensor and exterior storage all with, 2C mode and module are carried out exchanges data.
(4) button and LED display circuit: in order to set up man-machine interface, native system has designed whether normally the convenient observation of three paths of LEDs pilot lamp modular power source powers, system is moved and networking state.Adopt four road buttons, two-way button is used for carrying out module reset and program burn writing is selected, and reserved being used for of two-way button selected to set to systemic-function.Add external antenna in module-external and improved data transmit-receive coverage, reduced the bit error rate and the transmitting-receiving power consumption of data transmission.
This embodiment has advantages of that networking expense is low, the construction period is short, maintenance is little, anti-disaster ability by force, do not occupy cultivated land, without line inspection maintenance, be not subject to that artificial destruction, data easily pass, antijamming capability is strong.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. wireless long-distance meter-reading system intelligent terminal, it is characterized in that, comprise that ammeter (1), collector (2), repeater (3), concentrator (4) and teledata receive master station (5), multiple ammeters (1) are connected with collector (2), collector (2) is connected with repeater (3), concentrator (4) respectively, and concentrator (4) receives master station (5) with teledata and is connected with user (6).
2. wireless long-distance meter-reading system intelligent terminal according to claim 1, it is characterized in that, described collector (2) comprises multiple data acquisition MCU (21) and multiple collector ZigBee wireless communication modules (22), and data acquisition MCU (21) is connected with collector ZigBee wireless communication module (22).
3. wireless long-distance meter-reading system intelligent terminal according to claim 1, is characterized in that, described repeater (is provided with repeater ZigBee wireless communication module (31) in 3.
4. wireless long-distance meter-reading system intelligent terminal according to claim 1, it is characterized in that, described concentrator (4) comprises concentrator ZigBee wireless communication module (41), data concentrator MCU (42) and GPRS wireless communication module (43), and concentrator ZigBee wireless communication module (41), data concentrator MCU (42) and GPRS wireless communication module (43) are connected successively.
5. wireless long-distance meter-reading system intelligent terminal according to claim 1, is characterized in that, described GPRS wireless communication module (43) adopts MC39I module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483195.0A CN103839392A (en) | 2012-11-23 | 2012-11-23 | Intelligent terminal of wireless remote meter reading system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210483195.0A CN103839392A (en) | 2012-11-23 | 2012-11-23 | Intelligent terminal of wireless remote meter reading system |
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| CN103839392A true CN103839392A (en) | 2014-06-04 |
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| CN201210483195.0A Pending CN103839392A (en) | 2012-11-23 | 2012-11-23 | Intelligent terminal of wireless remote meter reading system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159690A (en) * | 2016-07-20 | 2016-11-23 | 苏州市龙源电力科技股份有限公司 | A kind of power cabinet system of long-range monitoring electric energy management |
| CN106448118A (en) * | 2016-11-30 | 2017-02-22 | 国家电网公司 | Wireless acquisition and processing system for agricultural irrigation areas |
-
2012
- 2012-11-23 CN CN201210483195.0A patent/CN103839392A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159690A (en) * | 2016-07-20 | 2016-11-23 | 苏州市龙源电力科技股份有限公司 | A kind of power cabinet system of long-range monitoring electric energy management |
| CN106448118A (en) * | 2016-11-30 | 2017-02-22 | 国家电网公司 | Wireless acquisition and processing system for agricultural irrigation areas |
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Application publication date: 20140604 |