CN201788577U

CN201788577U - Prepaying remote wireless meter reader

Info

Publication number: CN201788577U
Application number: CN2010201779354U
Authority: CN
Inventors: 顾晓其; 成向阳; 谭宝海; 张勇波
Original assignee: SHANDONG TONGTIAN ELECTRON CO Ltd
Current assignee: SHANDONG TONGTIAN ELECTRON CO Ltd
Priority date: 2010-05-04
Filing date: 2010-05-04
Publication date: 2011-04-06
Anticipated expiration: 2020-05-04

Abstract

The utility model provides a repaying remote wireless meter reader which consists of a meter terminal, a collector, a concentrator, a handset, a data center and a wireless network. The prepaying remote wireless meter reader utilizes the advantages of free ISM (Industrial Scientific Medical) band radio-frequency network, CDMA (Code Division Multiple Access) or GPRS (General Packet Radio Service) wireless network, prepaying advanced consuming concept and the like, and establishes an advanced wireless meter reading system which integrates meter reading and charging management into a whole.

Description

A kind of remote wireless meter reading device for prepayment

Technical field

The utility model relates to a kind of meter copying device, belongs to the low pressure field of checking meter, especially a kind of remote wireless meter reading device.

Background technology

Kilowatt meter reading-out system mainly is made of meter reading terminal subsystem, communication subsystem and center processing system, at present, mainly exists wired collection to copy on the market, wireless collection is copied and intellective IC card table three major types type.Drawbacks such as wired collection is copied by table tool, collector and adopted the Various types of data line to connect to the link of data center, and checking meter in the worker scene that need not to check meter, but exists cable wiring manufacture loaded down with trivial details, difficult in maintenance; Wireless collection is copied and has been remedied the defective that wired collection is copied, and adopts infrared, wireless radiofrequency to check meter in conjunction with remote wireless networks such as GPRS, CDMA, 3G, and site operation is convenient, need not wiring.At present, more than two types check meter and solved the difficult problem of checking meter, but the management of paying the fees adopts and uses the back way of paying earlier, because of can't in time paying the fees of causing of a variety of causes certainly will influence flow of fund, increases administrative authority's burden.The intellective IC card table adopts the back use-pattern of paying the fees earlier, and promptly the user supplements with money to IC-card earlier and buys water, electricity, gas etc., IC-card is inserted normal use the in the table again.Consumption is near critical value in waiting to show, and the table tool is reported to the police, and the prompting user supplements use again with money, thereby, well solved the difficult charge problem.But IC-card table system is independent, and data center can't monitor and summary sheet tool and link operation information in real time.

Summary of the invention

The purpose of this utility model is to copy the problem that exists separately with the IC-card table at wireless collection, proposes a kind of pre-payment long-distance wireless meter-reading system that can solve check meter difficult and difficult charge simultaneously.

The technical scheme that the utility model adopted is: a kind of pre-payment long-distance wireless meter-reading system, form by table tool terminal, pre-payment collector, concentrator and data center, it is characterized in that showing the tool terminal is connected by RS485 bus or pulse interface with collector, by ISM band wireless network interaction data, pass through the wireless network interaction data between concentrator and the data center between collector and the concentrator.

The technical scheme that the utility model adopted also has: the wireless network between concentrator and the data center comprises GPRS or CDMA, 3G commercial wireless network.

Support that main website long-rangely supplements with money, periodic monitor table tool terminal residue use amount, have critical judgement and break-make gating function.

Employing micropower ISM band is wireless and the secondary wireless network of CDMA or the commercial wireless structure of GPRS.

Table tool terminal and distribution transformer monitoring are one, support management function.

Up by mobile public network and the communication of administrative center main website, descending wireless and pre-payment collector communication by micropower.

The utility model has the advantages that: utilized the advantage of wireless networks such as free ISM band radio frequency network, CDMA or GPRS, 3G and pre-payment, set up one and integrated the advanced wireless kilowatt meter reading-out system of checking meter and paying the fees and managing.The design of the structure of wireless two grade network and pre-payment collector has been saved hardware and human cost, has been improved meter reading efficiency and the science of carrying out, high-efficiency management, has solved the dual difficult problem of checking meter and pay the fees.

Description of drawings

Fig. 1 is a pre-payment long-distance wireless meter-reading system block diagram of the present utility model.

Fig. 2 is the collector and table tool terminal structure block diagram with pre paid functionality of the present utility model.

Fig. 3 is a pre-payment collector schematic block circuit diagram of the present utility model.

Embodiment

The utility model is divided into radio meter register and pre-payment two parts from functional perspective.

1, radio meter register function.

Mainly by realizations such as table tool terminal, collector, concentrator and data centers.Table tool terminal is connected by RS485 bus, pulse interface etc. with collector.With free ISM band wireless network interaction data, concentrator and data center are then with commercial wireless net connections such as GPRS or CDMA, 3G between between collector and the concentrator.System constitutes the multistage wireless network of checking meter from bottom to top, and realization table tool consumption gathers, dynamic monitoring control, gather functions such as storage, route are checked meter, fault is initiatively reported to the police automatically.

Table tool terminal means that water, electricity, gas, heat etc. can carry out the metering outfit of step-by-step counting or digital counting.Free ISM band comprises channels such as 433MHz, 470MHz, 866MHz, 915MHz, 2.4GHz.

2, pre paid functionality.

Mainly store functions such as forward purchasing consumption, monitoring in real time, multistage critical active warning, the control of pressure break-make and realize, or realize by table tool with pre paid functionality by the collector employing.

With reference to accompanying drawing 1, pre-payment long-distance wireless meter-reading system block diagram.The pre-payment long-distance wireless meter-reading system has been drawn the advantage of having utilized free ISM band radio frequency network, CDMA or GPRS wireless network and prepayment mode, make up the two grade network that prepaid wireless is checked meter, mainly contained compositions such as table tool terminal, collector, concentrator, data center and communication link.

In the system, collector is gathered digital counting table tool data automatically by the RS485 interface, or the table tool data by the automatic acquisition pulse of pulse interface counting.A kind of construction method of system is a table tool terminal built-in pre paid functionality, and consumptions such as water, electricity, gas, heat are gathered and calculated to the table tool in real time, to be monitored when consumption reaches critical value table tool active upload alarm or the lock control of breaking alarm.Another kind of construction method is that table tool terminal does not have pre paid functionality, and the built-in pre paid functionality of collector.Collector is pressed setting-up time timing acquiring table tool consumption and is calculated the residue consumption, to be monitored when consumption reaches critical value active upload report to the police and the lock that breaks is controlled.Different with prepayment meter, the expansion of collector pre paid functionality is convenient, and critical value can select to be provided with multistage warning, until the disconnected lock of final pressure.Collector also has the route networking, functions such as historical data are freezed in timing.

Between concentrator and the collector by free ISM band short-distance radio network communication, the timing that realizes concentrator gathers linchpin genus collector data, functions such as historical data are checked meter, freezed to transparent transmission, by CDMA or the contact of GPRS commercial network, realize the remote transmission and the control function of Various types of data between concentrator and the data center.The secondary Radio Network System that makes up, making data center directly copy from concentrator to get table tool historical data becomes possibility, thereby has accelerated the speed of checking meter greatly.

With reference to accompanying drawing 2, represented the structural relation of pre paid functionality collector with table tool terminal, have the collector timing acquiring table tool consumption of pre paid functionality and calculate surplus such as water, electricity, gas, heat, simultaneously, freezed historical month, historical day and historical integral point data according to the time of setting.When treating that surplus reaches critical value 1, the collector timing alarm, and initiatively to the up report of concentrator, but the user can continue to use.When treating that surplus reaches critical value 2, collector active alarm concentrator, the prompting residue amount is about to run out; Treat that surplus is 0, collector sends forces disconnected lock order, forces the disconnected lock of control table tool terminal by digital control interface, stops user's use.

With reference to accompanying drawing 3, collector is main control unit with the single-chip microcomputer, realizes regularly freezing function of table tool real time data acquisition, storage and data.Collector external interface up direction adopts the RF wave point and the convenient up RS485 local interface that is provided with and debugs purposes of wireless telecommunications, and down direction adopts standard RS485 bus to be connected with real-time acquisition data with the table tool.The single-chip microcomputer main control unit adopts dual uart interface single-chip microcomputer, considers up-link wireless interface and local 485 interface service efficiencies, and both are realized the expansion of single-chip microcomputer UART interface by the channel selecting unit, satisfies the time-sharing multiplex function.The pre-payment correlation parameter of image data is obtained by the single-chip microcomputer real-time operation in real time, and the result that obtains of institute is by in the I2C bus write store.The timing data freezing function regularly interrupts chip microcontroller by calendaring module, and institute freezes write store as a result.In order to satisfy expanded data amount requirement day by day, system has reserved storage space by I2C, by the difference addressing to storer, realizes the random access of storage data.

Claims

1. remote wireless meter reading device for prepayment, form by table tool terminal, pre-payment collector, concentrator and data center, it is characterized in that showing the tool terminal is connected by RS485 bus or pulse interface with collector, by ISM band wireless network interaction data, pass through the wireless network interaction data between concentrator and the data center between collector and the concentrator.

2. a kind of remote wireless meter reading device for prepayment according to claim 1 is characterized in that wireless network between concentrator and the data center comprises GPRS or CDMA, 3G commercial wireless network.