CN205692282U

CN205692282U - Pre-payment barcode scanning electric energy meter

Info

Publication number: CN205692282U
Application number: CN201620554896.2U
Authority: CN
Inventors: 马铁伟; 马骁
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-08
Filing date: 2016-06-08
Publication date: 2016-11-16
Anticipated expiration: 2026-06-08

Abstract

Pre-payment barcode scanning electric energy meter, it has watchcase, watchcase is built with circuit substrate, equipped with MCU chip, key-press module, image processing module, data memory module, analog-to-digital conversion module, LCDs, magnetic latching relay, image scanning module, voltage measurement module, electric current metering module, binding post, power module, audible-visual annunciator and clock module on circuit substrate, wherein, the button in probe in image scanning module, the display surface of LCDs, key-press module, the terminals of binding post are respectively provided at the outer surface of watchcase；This electric energy meter can realize the intelligent management of Power marketing management, simplifies the management mode of Power marketing, saves manpower and resource；Ordinary electric meter also can be replaced to use, power consumption and electricity consumption total amount can be shown in real time.

Description

Pre-payment barcode scanning electric energy meter

Technical field

This utility model relates to watt-hour meter device, specifically provides a kind of pre-payment barcode scanning electric energy meter.

Background technology

Traditional Power marketing management is relatively complicated, generally comprises that ammeter is made a copy of, invoice is adjusted, urge expense to notify, arrearage stops Electricity, the process such as restore electricity.Along with Development of Urbanization accelerates, the problems such as traffic congestion, parking stall lack, site queuing is paid dues are day by day Sternness, during the paying dues of the management process of power supply department and Electricity customers, causes increasing time, energy, warp Burden in Ji, result also in social resources, the waste of work total amount and the pollution to environment simultaneously.So, traditional electricity consumption Marketing management mode can not meet the demand of the society of current and future, power supply enterprise and client, needs badly a kind of intelligent Equipment simplifies Power marketing management mode.

Summary of the invention

The purpose of this utility model is: provide a kind of pre-payment barcode scanning electric energy meter, uses this electric energy meter can simplify electricity consumption battalion Pin management mode, it is achieved the intelligent management of Power marketing management, saves manpower, resource.

The technical solution of the utility model is: pre-payment barcode scanning electric energy meter, has watchcase, watchcase built with circuit substrate, It is characterized in that: equipped with MCU chip, key-press module, image processing module, data memory module, analog digital conversion on circuit substrate Module, LCDs, magnetic latching relay, image scanning module, voltage measurement module, electric current metering module, binding post, Power module, wherein, the button in probe in image scanning module, the display surface of LCDs, key-press module, wiring The terminals of terminal are respectively provided at the outer surface of watchcase；The signal input part of MCU chip exports with the signal of key-press module respectively End, the signal output part of image processing module, the signal output part of data memory module, the signal output part of analog-to-digital conversion module Holding wire connects, the signal output part of MCU chip respectively with signal input part, the signal of magnetic latching relay of LCDs Input, the signal input part holding wire of data memory module connect；The signal output part of image scanning module and image procossing The signal input part holding wire of module connects, and the signal input part of analog-to-digital conversion module is defeated with the signal of voltage measurement module respectively Go out end, the signal output part holding wire of electric current metering module connects, and the zero line of voltage measurement module is measured end and passed through electric wire and connect The zero line output port electrical connection of line terminals, it is defeated with the live wire of binding post by electric wire that the live wire of voltage measurement module measures end Going out port A electrical connection, the live wire of electric current metering module is measured end C and is electrically connected by the fire wire output end mouth A of electric wire with binding post Connect；The live wire of electric current metering module is measured end D and is electrically connected with the live wire input port of magnetic latching relay by electric wire, and magnetic keeps The fire wire output end mouth of relay is electrically connected with the fire wire output end mouth B of binding post by electric wire；The zero line of power module is defeated Entering end to be electrically connected with the zero line output port of binding post by electric wire, the live wire input of power module passes through electric wire and wiring The fire wire output end mouth A electrical connection of terminal, the electric outfan of power module electrically connects with each consuming parts respectively.

Being also equipped with audible-visual annunciator on circuit substrate, the signal input part of audible-visual annunciator exports with the signal of MCU chip End signal line connects.

Clock module it is also equipped with, the signal input part letter of the signal output part of clock module and MCU chip on circuit substrate Number line connects.

Operation principle of the present utility model is: record the power consumption data of user in pin-saving chip, and MCU chip reads These power consumption data the signal data provided according to voltage measurement module, electric current metering module calculate the power consumption of user, and Calculate power consumption according to preprogramming and button calculates surplus, when the residue power consumption in pin-saving chip is zero, MCU core Sheet, to one power-off signal of magnetic latching relay, magnetic latching relay disconnecting circuit, is stopped power supply, and user is being purchased by the Internet Buy electricity, and obtain a disposable unique bar code, this bar code can by ammeter table number, date, binding phone number, fill The correlated variabless such as the value amount of money calculate generation under particular encryption formula, and this Quick Response Code is printed by user or display is on mobile phone screen The probe allowing image scanning module reads in, and sends the digital signal of translation to MCU chip, MCU through image processing module Chip writes record in pin-saving chip according to the SOC values that user is bought by pre-set programs, and keeps relay to magnetic simultaneously One power on signal of device, magnetic latching relay is opened circuit, is restored electricity.

The utility model has the advantages that: by described each parts, the intelligent management of Power marketing management, letter can be realized Change the management mode of Power marketing, save manpower and resource；Audible-visual annunciator can give warning in advance when dump energy deficiency, anti- Only power failure causes inconvenience to the user；Clock module can carry out timing check and correction for MCU chip, it is ensured that metering is accurate, according to above-mentioned knot Structure and operation principle, this utility model pre-payment barcode scanning electric energy meter can replace ordinary electric meter to use, can show in real time power consumption and Electricity consumption total amount.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model pre-payment barcode scanning electric energy meter；

Fig. 2 is the structured flowchart of circuit substrate in this utility model pre-payment barcode scanning electric energy meter.

1 watchcase, 2 buzzers, 3 luminous tubes, 4 LCDs, 5 circuit substrates, 6 probes, 7 buttons, 8 terminals in figure Son, 9 magnetic latching relays, 10 audible-visual annunciators.

Detailed description of the invention

Pre-payment barcode scanning electric energy meter, has watchcase 1, watchcase built with circuit substrate 5, on circuit substrate equipped with MCU chip, Key-press module, image processing module, data memory module, analog-to-digital conversion module, LCDs 4, magnetic latching relay 9, figure As scan module, voltage measurement module, electric current metering module, binding post 8, power module, wherein, in image scanning module Button 7, the terminals of binding post in probe 6, the display surface of LCDs, key-press module are respectively provided at outside watchcase Surface；The signal input part of MCU chip respectively with the signal output part of key-press module, the signal output part of image processing module, The signal output part of data memory module, the signal output part holding wire of analog-to-digital conversion module connect, the signal output of MCU chip End respectively with the signal input part of LCDs, the signal input part of magnetic latching relay, data memory module signal defeated Enter end signal line to connect；The signal output part of image scanning module is connected with the signal input part holding wire of image processing module, The signal input part of analog-to-digital conversion module exports with the signal output part of voltage measurement module, the signal of electric current metering module respectively End signal line connects, and the zero line of voltage measurement module is measured end and electrically connected with the zero line output port of binding post by electric wire, The live wire of voltage measurement module is measured end and is electrically connected with the fire wire output end mouth A of binding post by electric wire, electric current metering module Live wire measure end C and electrically connected with the fire wire output end mouth A of binding post by electric wire；The live wire of electric current metering module measures end D is electrically connected with the live wire input port of magnetic latching relay by electric wire, and the fire wire output end mouth of magnetic latching relay is by electricity Line electrically connects with the fire wire output end mouth B of binding post；The zero line input of power module is by electric wire and the zero of binding post Line output terminal mouth electrically connects, and the live wire input of power module is electrically connected with the fire wire output end mouth A of binding post by electric wire, The electric outfan of power module electrically connects with each consuming parts respectively.Described electric wire and holding wire may be used without printed circuit bridge Connect each parts.

MCU chip is for calculating the data signal that each module is collected, and sends corresponding instruction respectively according to pre-set programs Signal, MCU chip is micro-control unit (Microcontroller Unit；Be called for short: MCU), also known as one chip microcomputer or Person's single-chip microcomputer, is that the frequency of central processing unit and specification are done suitably reduction, and by internal memory, enumerator and etc. perimeter interface whole It is combined on one chip, forms the computer of chip-scale, can be that different application scenarios provides various combination to control.According to storage mould Block (memory element, storage chip) is used for storing user power utilization amount data, and these data are read by MCU chip and revise, this storage Module has single ciphering unit, hardware can be used to be encrypted, prevent internal storage information to be cracked.

Image scanning module for passing through the typing of probe (optical scanning element, photographic head) by outside bar code image Become picture signal, and this picture signal is flowed to image processing module translate into the discernible digital signal of MCU chip.Image Processing module for being converted into the discernible digital signal of MCU chip by the picture signal that image scanning module is uploaded.Image is swept Retouch module and the front end components (i.e. barcode scanning circuit module) of image processing module combination composition barcode scanner.

The magnitude of voltage that voltage measurement module is held for detecting electricity to register one's residence, the electricity that electric current metering module is held for detecting electricity to register one's residence Flow, analog-to-digital conversion module (analog-digital converter) is for turning the analogue signal that voltage measurement module, electric current metering module provide Change digital signal into and carry out calculating process to MCU chip.

Magnetic latching relay is for connecting according to the instruction of MCU chip circuit of registering one's residence or cut off.Power module is used In for each electricity consumption module for power supply, in the present embodiment, power module includes the basic components such as transformator, commutator, wave filter.Wiring Terminal is used for connecting inside and outside power cable, and electrical network live wire is accessed by live wire input port, and electrical network zero line is inputted by zero line Port accesses, and the live wire output registered one's residence is exported by fire wire output end mouth B, and the zero line registered one's residence goes out defeated by zero line output port Go out, equipped with magnetic latching relay (as switch automatically) on the live wire between fire wire output end mouth A to fire wire output end mouth B.

LCDs is used for showing dump energy numerical value, facilitates user to check.Key-press module is used for transferring order, passes through The prestored instruction of MCU chip controls the display content of display screen, facilitates user investigation power consumption in this month, history power consumption, electricity consumption The combination of the information such as numerical value, maintenance telephone, key-press module and LCDs belongs to the man-machine interface of this device.

Being also equipped with audible-visual annunciator 10 on circuit substrate, the signal input part of audible-visual annunciator is defeated with the signal of MCU chip Go out end signal line to connect.Sound-generating element in audible-visual annunciator is buzzer 2, and luminous component is luminous tube 3 (LED).Acousto-optic Alarm is used for pointing out user's residual electric quantity not enough, and MCU chip calculates according to the power consumption draw value of user, works as dump energy The when that value can not meeting user's use in three days, just supplemented with money by audible-visual annunciator prompting user, prevent from having a power failure and bring to user Inconvenience.

Clock module it is also equipped with, the signal input part letter of the signal output part of clock module and MCU chip on circuit substrate Number line connects.Clock module for providing the reference of prover time for MCU chip, time metering Data Data more accurately nothing By mistake.

The original state of this utility model pre-payment barcode scanning electric energy meter is: according to the dump energy recorded in memory module be Zero, the control circuit in magnetic latching relay is off, thus circuit of registering one's residence is in power down mode, now liquid crystal display Show in module the dump energy recorded according to memory module be zero, current accumulative total electricity consumption is zero and shows to pay dues and carry The information of waking up；As user has need for electricity, need to use smart mobile phone or computer by APP or internet payment and to buy certain number The electricity of volume a, it is thus achieved that bar code (one-dimensional bar code or two-dimensional bar, lower same)；Then, by mobile phone screen or bar shaped Code printout presses close to the probe of image scanning module, translates this bar code by image processing module, thus by this bar code Middle shown charging information is inputted to according in memory module by MCU chip.When according to the dump energy in memory module from zero When becoming the numerical value more than zero, MCU chip sends signal to magnetic latching relay, and magnetic latching relay control circuit is touched Sending out and become closure state, thus circuit reverts to power supply state, now show in LCD MODULE this after supplementing with money according to storage Dump energy in module and current accumulative total electricity consumption.During normal power supply, by analog digital conversion mould, voltage detecting mould The electricity that the electric metering circuit of block, current detection module composition can be consumed in real time measure circuit, MCU chip is according to modulus Modulus of conversion provide data signal with carry out difference operation, in the process liquid crystal display mode according to the electricity remaining sum in memory module On block, display in real time is according to the current residual electricity in memory module and current accumulative total electricity consumption.When according to the residue in memory module When electricity is less than setting value, audible-visual annunciator flashes and sends the prompting of cycle buzz, now shows evidence in LCD MODULE Current residual electricity in memory module, current accumulative total electricity consumption and prompting message of paying dues.When according to the residue in memory module During electricity vanishing again, magnetic latching relay control circuit is triggered and goes off state, thus circuit becomes power down mode, Now show in LCD MODULE according to the dump energy in memory module be zero, current accumulative total electricity consumption and prompting letter of paying dues Breath.MCU chip plays during use of the present utility model and calculates and the effect of logical judgment；Power circuit plays this reality With novel power supply function；Clock circuit plays timing effect；Binding post plays back panel wiring effect；Key circuit plays aobvious Show the switching effect of content；Shell plays the protective effect within this utility model.

This utility model produces during paying dues with the Electricity customers electricity charge during decreasing tradition Power marketing management The wasting of resources, economic waste, time waste and the pollution problem to environment.Achieve and urge without checking meter expense, customer self-service to pay dues Automatically stop the more advanced Power marketing management process such as telegram in reply and very convenient client pays dues process.Meet the development of society Direction, meets the tangible demand of the whole society, power supply enterprise and the people.

Claims

1. pre-payment barcode scanning electric energy meter, has watchcase, and watchcase is built with circuit substrate, it is characterised in that: on circuit substrate equipped with MCU chip, key-press module, image processing module, data memory module, analog-to-digital conversion module, LCDs, magnetic keep relay Device, image scanning module, voltage measurement module, electric current metering module, binding post, power module, wherein, image scanning module In probe, the display surface of LCDs, the button in key-press module, the terminals of binding post be respectively provided at watchcase Outer surface；The signal input part of MCU chip exports with the signal output part of key-press module, the signal of image processing module respectively End, the signal output part holding wire of the signal output part of data memory module, analog-to-digital conversion module connect, the signal of MCU chip Outfan respectively with the signal input part of LCDs, the signal input part of magnetic latching relay, the letter of data memory module Number input end signal line connects；The signal output part of image scanning module connects with the signal input part holding wire of image processing module Connect, the signal input part of analog-to-digital conversion module respectively with signal output part, the signal of electric current metering module of voltage measurement module Output end signal line connects, and the zero line of voltage measurement module is measured end and is electrically connected by the zero line output port of electric wire with binding post Connecing, the live wire of voltage measurement module is measured end and is electrically connected with the fire wire output end mouth A of binding post by electric wire, electric current metering mould The live wire of block is measured end C and is electrically connected with the fire wire output end mouth A of binding post by electric wire；The live wire of electric current metering module is measured End D is electrically connected with the live wire input port of magnetic latching relay by electric wire, and the fire wire output end mouth of magnetic latching relay passes through Electric wire electrically connects with the fire wire output end mouth B of binding post；The zero line input of power module is by electric wire and binding post Zero line output port electrically connects, and the live wire input of power module is electrically connected by the fire wire output end mouth A of electric wire with binding post Connecing, the electric outfan of power module electrically connects with each consuming parts respectively.

Pre-payment barcode scanning electric energy meter the most according to claim 1, it is characterised in that: it is also equipped with sound and light alarm on circuit substrate Device, the signal input part of audible-visual annunciator is connected with the signal output part holding wire of MCU chip.

Pre-payment barcode scanning electric energy meter the most according to claim 1 and 2, it is characterised in that: it is also equipped with clock on circuit substrate Module, the signal output part of clock module is connected with the signal input part holding wire of MCU chip.