A kind of multi-user's electric energy metrical central control device
(1), technical field
The utility model relates to a kind of electricity consumption central control device, particularly relates to a kind of multi-user's electric energy metrical central control device.
(2), background technology
At present, the student dormitory electricity consumption is at colony's electricity consumption object that certain special requirement is arranged, the special electricity consumption of student dormitory electricity consumption mainly shows as: the one, the division of violated electrical equipment is arranged, and do not allow to use as the violated electrical equipment of genus such as electric furnace, immersion heater, computer, electric heater, air-conditioning etc. allow to use; The 2nd, the division of the electricity consumption authority of different electricity consumption objects is arranged, different as academics and students's electricity consumption; The 3rd, the division of the load authority of using for Electrical Safety; The 4th, according to user's credit grade difference, and the division of the electricity consumption of carrying out pre-paying consumption by stages, overdraw consumption pre-payment consumption pattern.Because the singularity of student dormitory electricity consumption, old-fashioned ammeter etc. can't satisfy the requirement of student dormitory electricity consumption, based on solving above-mentioned these problems, advanced student dormitory electricity consumption centralized management system arises at the historic moment, and present known Information Management System for Student's Apartment is a plurality of meterings of being made up of capture card and metering module to be installed control electric cabinet in every student dormitory.Metering module adopts the general computation chip of electronic electric energy meter, the corresponding student dormitory room of metering module, one row has 8 metering modules, the corresponding capture card of one row's metering module, capture card can be finished the collection to 8 metering modules of this row, each capture card has unique number, packing data compression, all is to be finished by capture card control to dataphone, all orders of computer.The electric cabinet of metering control can be provided with 1 to 9 row's metering module as required, and row's number of corresponding metering module can be provided with 1 to 9 capture card, is in series with the RS485 line between the capture card.That is to say that an electric cabinet of metering control can manage from 8 to 72 rooms according to user's needs, when a building user less, when being less than 72 the tunnel, the electric cabinet of metering control can be adorned metering module and capture card less, when building is more when surpassing 72 the tunnel, a plurality of meterings can be controlled electric cabinet and be together in series, after by the RS485 bus every building electric cabinet extension line of metering control being linked to each other then with the RS485 line, insert the master control computer of computer administration center, thereby realize the control of various command and the work such as collection of data.This student dormitory electricity consumption centralized management system has improved the safety of student dormitory electricity consumption, realized benefits such as taking over automatically of the electricity charge, but this system also exists following shortcoming:
1, connect with the RS485 twisted-pair feeder between the Lou Yulou, cutting drawing lines workload is big, and the construction time is long, expends a large amount of manpower and financial resources, the cost height;
2, pareira the hitting of whole employing 485 networks, general shocking preventing technology now is subjected to unreliable, the disconnected restriction of school student apartment geodesic line, can't fundamentally solve the problem of lightning protection;
3, big RS485 unstable networks is influenced by extraneous factor such as electric drill, electricity-saving lamp etc. easily, and maximum trouble is because therefore network using 485 lines serial connection has a node to damage and kill whole network, thereby make whole network paralysis, poor stability.
In order to solve the deficiencies in the prior art, some metering controls that are user-friendly to have appearred afterwards.China utility model patent ZL200620069566.0 (Granted publication number: CN2888725Y, Granted publication day: on April 11st, 2007) proposed a kind of student dormitory electricity consumption centralized management system, it comprises the electric cabinet of metering control, computer administration center, the electric cabinet of metering control comprises metering module and capture card, also comprise GSM manager and GSM/MODEM, the GSM manager is by the reversible input that is electrically connected to form of RS485 communication interface and the electric cabinet of metering control, GSM/MODEM and computer administration center are by the reversible input that is electrically connected to form of RS232 serial ports change-over circuit, and the GSM manager is set up communication by the GSM mobile transmission network with GSM/MODEM and is connected.Adopt benefit of the present utility model: need not to dig drawing lines, construction is simple, and cost is low; Lightning protection capability is strong; Network is as safe as a house stable; The user is simple to operate, and is time saving and energy saving.The SMS service in the GSM mobile communication network of being to use of this utility model blemish in an otherwise perfect thing is finished information transmission with control center, and this function in use also needs charge, increases user's use cost, and this is that user institute is unacceptable, and necessity is little.
(3), utility model content
The utility model has proposed a kind of multi-user's electric energy metrical central control device at the deficiencies in the prior art.
The utility model mainly is made up of administrative center, building management device and metering power distribution cabinet.This utility model be at student's electricity consumption measure, full-automatic, multi-functional, the Intelligentized electric energy measuring control equipment of control and financial management.The utility model also is fit to users such as the dormitory of large enterprise, concentrated residential quarters, hospital, factories and miness to be used, and reaches and saves cost, convenient management, intelligent high.
The technical solution of the utility model is:
A kind of multi-user's electric energy metrical central control device, comprise the electric cabinet of metering control, computer administration center, the electric cabinet of metering control comprises metering module and copies the control device, metering module with copy between the control device, copy the control device and all adopt RS485 to be connected with copying to control between the device, copying control device and metering module is contained in the electric cabinet of metering control, the electric cabinet of metering control can be connected in several ways with computing machine, as: modes such as RS485 mode, wireless mode, GPRS connect.
Copy control device building management device and in total system, play a bridge, by communication module and administrative center's computer and ammeter terminal communication, the control information that administrative center's computer is assigned is transmitted to the ammeter terminal, or the user profile that the ammeter terminal is uploaded is transmitted to administrative center's computer, and the ammeter terminal directly managed, subsidy electric weight such as every month is provided automatically, students' dormitory timing electricity consumption etc.
The ammeter terminal is made up of high precision electric energy computation chip ADE7755, microcomputer chip, pernicious load identification module, communication module, relay control module.Whole ammeter terminal directly monitors user power utilization situations such as students' dormitorys and controls under the control of microcomputer chip, and by communication module information reached and to copy the control device, reaches administrative center's computer through copying the control device.
On administrative center's computer, by concentrating control fulgurite reason software, all students' dormitory electricity consumptions manage to total system, monitor students' dormitory electricity consumption situation in real time.
The normal operation of system is based upon on the stable communication network basis.485 two-wire system mechanicss of communication are a kind of reliable, ripe network communications technologys, and networking is convenient, long transmission distance, and all communication units only need two lines, are connected on 485 buses to get final product.Our all communication modules all adopt photoelectricity to isolate, anti-lightning strike measure, and adopt anti-inefficacy measure, a unit goes wrong, and can not influence network communication.
The principle of work of system is: total system adopts tree, and copying the control device provides several interfaces of isolating mutually to each building, after the table module in each building links to each other by 485 lines, links and copies on the interface that the control device offers this building.Each corresponding room of table module is directly controlled and is measured the electricity consumption situation in this room; Centralized computer by copy the control device read in certain table module in certain building information or with download of information in the table module.Computer and copy the control device between with the communication of RS232 agreement, copy the control device with the table module between the employing 485 agreements carry out communication.Adopt this structure, can realize fault isolation, certain building goes wrong does not influence other building.
(4), description of drawings
Fig. 1 is a kind of system chart of multi-user's electric energy metrical central control device.
Fig. 2 is the theory diagram of ammeter terminal in a kind of multi-user's electric energy metrical central control device.
Fig. 3 is for copying the theory diagram of control device in a kind of multi-user's electric energy metrical central control device.
(5), embodiment
The utility model mainly is made up of administrative center, building management device and metering power distribution cabinet.This utility model be at student's electricity consumption measure, full-automatic, multi-functional, the Intelligentized electric energy measuring control equipment of control and financial management.The utility model also is fit to users such as the dormitory of large enterprise, concentrated residential quarters, hospital, factories and miness to be used, and reaches and saves cost, convenient management, intelligent high.
A kind of multi-user's electric energy metrical central control device, comprise the electric cabinet of metering control, computer administration center, the electric cabinet of metering control comprises metering module and copies the control device, metering module with copy between the control device, copy the control device and all adopt RS485 to be connected with copying to control between the device, copying control device and metering module is contained in the electric cabinet of metering control, the electric cabinet of metering control can be connected in several ways with computing machine, as: modes such as RS485 mode, wireless mode, GPRS connect.
Copy control device building management device and in total system, play a bridge, by communication module and administrative center's computer and ammeter terminal communication, the control information that administrative center's computer is assigned is transmitted to the ammeter terminal, or the user profile that the ammeter terminal is uploaded is transmitted to administrative center's computer, and the ammeter terminal directly managed, subsidy electric weight such as every month is provided automatically, students' dormitory timing electricity consumption etc.
The ammeter terminal is made up of high precision electric energy computation chip ADE7755, microcomputer chip, pernicious load identification module, communication module, relay control module.Whole ammeter terminal directly monitors user power utilization situations such as students' dormitorys and controls under the control of microcomputer chip, and by communication module information reached and to copy the control device, reaches administrative center's computer through copying the control device.
On administrative center's computer, by concentrating control fulgurite reason software, all students' dormitory electricity consumptions manage to total system, monitor students' dormitory electricity consumption situation in real time.
The normal operation of system is based upon on the stable communication network basis.485 two-wire system mechanicss of communication are a kind of reliable, ripe network communications technologys, and networking is convenient, long transmission distance, and all communication units only need two lines, are connected on 485 buses to get final product.Our all communication modules all adopt photoelectricity to isolate, anti-lightning strike measure, and adopt anti-inefficacy measure, a unit goes wrong, and can not influence network communication.