CN202615500U - Charging device for charging electric car based on power line carrier (PLC) - Google Patents

Charging device for charging electric car based on power line carrier (PLC) Download PDF

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Publication number
CN202615500U
CN202615500U CN 201220157965 CN201220157965U CN202615500U CN 202615500 U CN202615500 U CN 202615500U CN 201220157965 CN201220157965 CN 201220157965 CN 201220157965 U CN201220157965 U CN 201220157965U CN 202615500 U CN202615500 U CN 202615500U
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China
Prior art keywords
module
charging
data
concentrator
management system
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Expired - Fee Related
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CN 201220157965
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Chinese (zh)
Inventor
丘森辉
罗晓曙
宋树祥
刘俊秀
闭金杰
梁承福
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Guangxi Normal University
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Guangxi Normal University
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Abstract

The utility model discloses a charging device for charging an electric car based on a PLC. The charging device is characterized by comprising a master station management system, a data concentrator and a charging terminal, wherein the master station management system is connected with the data concentrator through a network cable or general packet radio service (GPRS) to perform wired and wireless data communication, and the data concentration is connected with the charging terminal through a three-phase power line. The charging device is provided with functions of real-time monitoring, real-time data acquisition, electric energy measuring and the like, a user can select card swiping, coin insertion or cash consumption by using the charging device, and simultaneously, can select consumption modes by time or by electric quantity; and timeliness, flexibility and security of the system are greatly improved.

Description

Electric motor car charging charging device based on power line carrier
Technical field
The utility model relates to field of power electronics, specifically is based on the electric motor car charging charging device of power line carrier.
Background technology
Along with popularizing of electric motor car, electric motor car charging and daily management problem just become increasingly conspicuous.The problem that it is difficult that the especially high-rise electric motor car user in sub-district charges has to let the car owner for to the electric motor car charging, or abandons a very long interim power supply from oneself window, or must take off storage battery and lift the charging of going home.These behaves not only take time and effort but also dangerous, but also influence the attractive in appearance of sub-district or urban district.
In recent years; In order to solve the difficult problem of electric motor car charging; Occurred some electric motor car charge charging systems on the market, it carries out hair fastener, supplements with money IC-card through corresponding management software, and the user swipes the card IC-card or just can control the power supply output time through throwing coin on power-supply controller of electric.In addition; Some mobile charging stations have also appearred on the market; Have functions such as mobility is good, but these charging and toll collection systems do not have the function of real-time Communication for Power, the power information of charging can't real-time Transmission, the keeper also can't control charging equipment in real time; And the user time also can't know voltage, electric current and the power informations such as electric weight that consumed in consumption, and having is exactly that the charging charge of these electric motor cars charge charging devices only cannot be by the electric weight charge that consumes with charge on time etc. again.Existing electric motor car charge charging system all exists significantly not enough in security, real-time and dirigibility etc.
The utility model content
The purpose of the utility model is to disclose a kind of electric motor car charge charging device based on low-voltage powerline carrier communication.This charging charging device has functions such as real-time monitoring, real-time image data, electric energy metrical.The user uses the charging charging device of the utility model design can select to swipe the card, insert coins and cash consumption, also can select on time simultaneously and by two kinds of consumption patterns of electric weight, the real-time, dirigibility and the security that have improved system greatly.
The technical scheme that the utility model adopts is following:
The electric motor car charge charging device of the utility model comprises main website management system, data concentrator, charging terminal.The main website management system links to each other with data concentrator through netting twine or GPRS, carries out wired and wireless data communication, and data concentrator then is connected with charging terminal through three-phase power line, realizes power line carrier communication.
Wherein (1) main website management system comprises data server, PC, IC-card top-up machines and printer.Data server is connected with PC through netting twine; The IC-card top-up machines is connected with PC through USB interface or IC-card top-up machines dedicated data line; Printer is then printed connecting line through USB and is connected with PC with parallel port printing connecting line.The function that the main website management system mainly realizes has: data acquisition function, data management function, remote control function, load analysis and prediction, unusual electrical energy consumption analysis, power quality data statistics, maintenance and failure logging, remote upgrade function, the IC-card service of supplementing with money, print service.
Described data server is to be used for the related data of store electricity motor-car charge charging system;
Described PC is for the supvr various administration interfaces and other services to be provided;
Described IC-card top-up machines then is to supplement service with money for the user provides IC-card;
Described printer is to print various power informations and cash consumption to access to your password etc.
(2) data concentrator comprises power module, rechargeable battery module, carrier transmitting-receiving module, GPRS module, ethernet module, RS485 module, metering module, data memory module, LCD display, button, infrared transceiver module, USB module, MCU, sound and light alarm, security module is set.Each module all is connected with MCU; Ethernet module and another interface of GPRS module also link to each other with the main website management system in the middle of each module; Carry out wired and wireless data communication respectively; Another interface of carrier transmitting-receiving module, metering module and power module then is connected with line of electric force in addition, realize respectively the power supply supply and with the charging terminal data communication.The function that data concentrator is mainly realized has: communication function, cascade function, intelligence initiatively report, parameter is provided with function, data copy reading function, measurement point state and alarm event, emphasis charging equipment electricity consumption monitoring function, automatically line loss analytic function, data acquisition and processing (DAP), data mend and copy, warning function, self diagnosis and abnormal information writing function, remote control function, long-range and field upgrade function, day line loss computing function.
Described power module mainly changes the DC circuit by AC and various voltage stabilizer is formed, and it can export different voltages with different, so that corresponding power supply each module to concentrator to be provided.
Described rechargeable battery module is that rechargeable battery can provide correspondent voltage to each module of concentrator when the line of electric force that connects concentrator does not have electricity, still can operate as normal under the electric situation to let data concentrator not have at line of electric force.
Described GPRS module and ethernet module are for data concentrator and main website management system provide the mode of two kinds of mutual communication, the dirigibility that has improved data concentrator and main website communication.
Described RS485 module, it can communicate with the communication mode of RS485 and the equipment of other supports RS485.It is a kind of communication mode interface of reserving as data concentrator and charging terminal for data concentrator, and it is that mode with cascade is connected with charging terminal.For the utility model, it provides line of electric force the communication mode different with RS485 for data concentrator and communicating by letter of charging terminal, has improved the dirigibility of the utility model.
Described metering module can be measured data such as the voltage of line of electric force, electric current, power, power consumption, power factors; And be these data conversion of measuring out digital signal; These digital signals are kept in the inner register of computation chip, and MCU can read or write operation these registers through the SPI interface.
Described LCD display is connected with MCU, but the measure dot number that its video data is concentrated device according to, parameter setting with check, interfaces such as terminal management and maintenance.
The described button that is provided with has six, and wherein four is to be used for being provided with left and right, upper and lower, and two other is to be used for being provided with confirming and cancellation.The communication mode that button can be used for being provided with concentrator is set, the inquiry charging terminal power information, the measurement point data presentation, the parameter setting with check and terminal management and maintenance etc.
Described data storage module is device collection and handle charging terminal and obtain power consumption information in the stored data sets, needed data etc. when account of the history and program run.
Described infrared transceiver module is to be used for carrying out Infrared Wireless Communication with the hand-held infrared transceiver of supvr, exchanges, concentrator is carried out field maintemance etc. to make things convenient for supvr and concentrator to carry out data.
Described USB module is to be used to insert the mobile memory of supporting USB.Through the USB module, the supvr only needs to hand mobile memory and inserts USB interface, data that just can the copies data concentrator.
What described MCU adopted is the chip of embedded ARM9, and it is the core of data concentrator, is responsible for the data that each module sends are handled.
Described audible and visible alarm is when the data concentrator operation irregularity, then sends sound and light alarm.
Described security module is when the program of concentrator begins, through the des encryption algorithm; Obtain temporary key and authenticate key, if both equate that then program is down moved; Do not wait then out of servicely, so just prevent that the copyright of concentrator from gratuitously being usurped, play safe and secret effect.
(3) charging terminal comprises power module, metering module, radio frequency module for reading and writing, MCU, LCD demonstration, coin detection module, button, carrier transmitting-receiving module, data storage module, magnetic latching relay, bidirectional relay driver module, audible and visible alarm, omnipotent output module is set.Except omnipotent output module is connected with the bidirectional relay driver module; Realize outside the power supply output; Each module all is connected with MCU; Another interface of carrier transmitting-receiving module, metering module and power module then is connected with line of electric force in the middle of each module, realize respectively the power supply supply and with the data communication of data concentrator.The function that charging terminal is mainly realized has: communication function, function of measuring, clocking capability, measurement and monitoring, logout, Presentation Function, warning function, freezing function, pulse output, reading and writing IC card function, coin function, combined floodgate control, voltage output.
Described power module mainly changes the DC circuit by AC and various voltage stabilizer is formed, and it can export different voltages with different, so that corresponding power supply each module to charging terminal to be provided.
Described metering module can be measured data such as the voltage of line of electric force, electric current, power, power consumption, power factors; And be these data conversion of measuring out digital signal; These digital signals are kept in the inner register of computation chip, and MCU can read or write operation these registers through the SPI interface.
Described radio frequency module for reading and writing is the radio-frequency card that is used to read and write the user, when radio-frequency card during near the radio frequency module for reading and writing; The radio frequency module for reading and writing just can produce corresponding signal; After MCU receives these signals, just let omnipotent output module output voltage, accomplish the function of the charging consumption of swiping the card.
Described LCD display is connected with MCU, various situation information such as it can show the swiping the card of charging terminal, inserts coins, countdown time, power consumption, warning.
Described coin detection module is the situation of inserting coins that is used to detect the user, when the user inserts coins; The coin detection module can produce corresponding coin-in signal according to the situation of inserting coins; After MCU receives coin-in signal, just let omnipotent output module output voltage, accomplish the function of the charging consumption of inserting coins.
The described button that is provided with has 12, is respectively 0 ~ 9 10 numeric keys, and an acknowledgement key and a cancel key.Numerical key is mainly used in the cash consumption password is set, and affirmation and cancel key are mainly used in operations such as accomplishing affirmation, cancel and return.
Described data storage module, needed data etc. when being power consumption information and the program run of storage charging terminal.
Described audible and visible alarm; Be when perhaps password input error is inserted coins, swiped the card to charging terminal; Sound the alarm and the LED flicker, or when the working current of charging terminal surpasses the higher limit of setting, send rapidly alarm song and LED fast blink; And, make omnipotent output line outage through MCU control bidirectional relay driver module control magnetic latching relay.
Described MCU is a embedded enhancement mode 8051 compatible little processing, but but the multi-functional UART of full duplex of the real time clock of built-in spread spectrum communication modulation/demodulation circuit digitally correcting frequency, two flexible configuration, E2PROM (electric erasable/able to programme) program storage and E2PROM (electric erasable/able to programme) data-carrier store.
Described omnipotent output module has been that inner integrated AC changes the DC circuit, and various voltage stabilizer.It can export multiple different DC voltage, simultaneously also can output AC voltage.The requirement of the charging voltage of different electric motor-car has been satisfied in this diversified voltage output greatly, has enlarged the usable range of the utility model.
In the presence of data concentrator, can mutual communication between main website management system, data concentrator and the charging terminal, exchange message, it has played communications bridge beam action between main website management system and the charging terminal.During system works, mainly be divided into 3 kinds of working methods, the 1st kind of working method is that the main website management system is toward the data concentrator photos and sending messages; The 2nd kind of working method is that data concentrator is toward main website management system or charging terminal photos and sending messages; The 3rd kind of working method is that charging terminal is toward the data concentrator photos and sending messages.
The 1st kind of working method: main website management system PC sends Frame through netting twine or GPRS to data concentrator; Concentrator receives and resolves PC data sent frame; If PC data sent frame is will read the relevant information of charging terminal or control charging terminal; Then concentrator just receives concentrator and resolve PC data sent frame through its carrier transmitting-receiving module and is sent to charging terminal through power line carrier; Charging terminal receives and resolves concentrator data sent frame, according to the dependent instruction of Frame, returns corresponding Frame or carries out corresponding operation; Concentrator just sends to the corresponding Frame of main website management system through netting twine or GPRS module after receiving the Frame that charging terminal returns.
The 2nd kind of working method: then be just opposite with the 1st kind of situation; Be charging terminal when receiving outer signals (like user card punching; Insert coins etc.), then charging terminal sends corresponding Frame through line of electric force to data concentrator, and concentrator receives and resolves charging terminal data sent frame; If charging terminal data sent frame is the relevant information that will read the main website management system; Then concentrator just receives and resolves charging terminal data sent frame through its carrier transmitting-receiving module, and sends to the main website management system through netting twine or GPRS module, and the main website management system receives and resolve concentrator data sent frame; According to the dependent instruction of Frame, return corresponding Frame or carry out corresponding operation.
The 3rd kind of working method: when concentrator receives outer signals (as by key control; Infrared reception etc.); Then concentrator sends corresponding Frame for charging terminal or main website management system through line of electric force or netting twine, GPRS module; Charging terminal or main website management system receive and resolve concentrator data sent frame, according to the dependent instruction of Frame, return corresponding Frame or carry out corresponding operation.
The beneficial effect of the electric motor car charge charging system of the utility model is:
One, adopting line of electric force is transmission medium, does not need extra investment, easy to maintenance.Utilize the power line carrier, PLC technology to make electric motor car charge charging device possess bi-directional communication function, but make charging terminal networking work.
Two, have electric weight, electric current, voltage, power, power factor, calendar scheduling measuring parameter and can show, make things convenient for the user to understand the power information and the time spent situation of electric motor car charge charging at LCD.
Three, the user can select to consume on time, consume by electric weight.
Four, have automatic control and alarm function.When electric motor car charging equipment electric current is excessive, can cut off the power supply and the function that gives the alarm the protection charging equipment automatically.
Five, the user can select bankcard consumption, insert coins and consume and cash consumption.Swipe the card and insert coins and realize that at charging terminal cash consumption only need be paid cash at the main website management system terminal, obtains password and gets final product.
Six, the utility model can be widely used in places such as sub-district, institutional settings, company, school, urban district.
Description of drawings
Fig. 1 is the general structure block diagram of the utility model;
Fig. 2 is the master routine workflow diagram of the utility model main website management system;
Fig. 3 is the master routine workflow diagram of the utility model data concentrator;
Fig. 4 is the master routine workflow diagram of the utility model charging terminal;
Fig. 5 is a kind of embodiment that the utility model uses.
Embodiment
Below through concrete embodiment and combine accompanying drawing that the utility model is done further detailed description.
Referring to accompanying drawing 1, the utility model electric motor car charge charging device comprises main website management system, data concentrator and charging terminal.Wherein the main website management system links to each other with data concentrator through netting twine or GPRS, carries out wired and wireless data communication, and data concentrator then is connected with charging terminal through three-phase power line, realizes power line carrier communication.Be elaborated with instantiation at present.For charging terminal; When following three kinds of situation occurring: the radio frequency module for reading and writing receives user card punching information, coin detection module and receives user insert coins information, button input cash consumption encrypted message; MCU just receives the information of these three kinds of situation, and MCU draws control signal corresponding according to swiping the card, insert coins, input cash consumption password situation.If swipe the card, insert coins, cash consumption input password situation is normal; Then MCU sends corresponding information to LCD; Show through LCD swipe the card, insert coins, situation such as countdown time; Open bidirectional relay simultaneously, make the various different voltages of output on many output lines of omnipotent output module, to make things convenient for the charging voltage demand of different electric motor-car.If swipe the card, insert coins, situation such as cash consumption password input is unusual, the sound and light alarm module signal that gives the alarm then, and show error message through LCD.When omnipotent output module output voltage; Metering module converts digital signal into to power informations such as the voltage on the omnipotent output module, electric current, power, electric weight; These digital signals send MCU to through the SPI interface; If this moment, the working current of omnipotent output module surpassed the higher limit of setting, then the sound and light alarm module is sent rapidly alarm song and LED fast blink, and LCD shows corresponding warning message; The bidirectional relay of MCU control simultaneously driver module control magnetic latching relay makes omnipotent output module outage.If the working current of omnipotent output module is normal, then MCU sends corresponding information to LCD, shows situation such as power information through LCD.The MCU of charging terminal sends (reception) corresponding carrier signal to its carrier transmitting-receiving module when accomplishing above-mentioned control; The carrier transmitting-receiving module is sent (reception) carrier signal through line of electric force to data concentrator again, and the transmitting-receiving of carrier signal all is that the form with Frame carries out.For data concentrator; When its carrier transmitting-receiving module receives (transmission) carrier signal from charging terminal; Its MCU resolves (encapsulation) to the carrier information that receives (transmission), and sends (reception) packet through ethernet module or GPRS module to the main website management system.For the main website management system; When the ethernet module of its PC or GPRS module receive the packet that concentrator sends or send packet when giving concentrator; PC is made corresponding processing according to the packet information that receives (transmission), and the data in server that Updates Information, and the Charge Management software through PC shows power information and the operating position of each charging terminal etc. in real time simultaneously; Thereby reach real-time monitoring, the purpose of Long-distance Control.
Fig. 2 is the master routine workflow diagram of the main website management system of the utility model.Begin then execution in step S202 system and each module initialization in step S201 program; After initialization is intact; There are abnormal conditions in execution in step S203 system; If execution in step S204 abnormality processing is arranged, if do not have then each task of execution in step S205 system, this is because program designs with modularization; Master routine only needs the arrival of wait task; When task arrives, carry out corresponding operation, the succinct and real-time of calling program is more strengthened, can carry out according to various tasks that data transmit-receive processing, command process, data storage, control and treatment, print out task are handled, radio-frequency card is supplemented processing with money.
Fig. 3 is the master routine workflow diagram of the data concentrator of the utility model.Begin in step S301 program, follow execution in step S302 printed product information, printed product information execution in step S303 afterwards reads parameter and each parameter is processed; Then execution in step S304 system and each module initialization, after initialization was accomplished, the execution in step S305 LCD of system showed; Then there are abnormal conditions in execution in step S306 system, if having then execution in step S307 exception handler, promptly judges it is that those situation occur unusually; Write down corresponding situation, and it is handled.Follow the execution in step S308 reading system time; Execution in step S309 reading system time success after having read? If warning otherwise execution in step S310 makes mistakes; If execution in step S311 print system time then; Then program execution in step S312 waits for the arrival of concentrator task, because this program is moved under flush type LINUX operating system, designs with modularization; Master routine only needs the arrival of wait task; When task arrives, carry out corresponding operation, the succinct and real-time of calling program is more strengthened, can carry out the power down charging process, processings of reporting to the police, GPRS processings, USB processing, data storage, button processings, serial ports processings, carrier transmitting-receiving processing, control and treatment, infrared receiving/transmission processing, Ethernet processing, measure processing according to various tasks.
Fig. 4 is the master routine workflow diagram of the charging terminal of the utility model.Begin then program execution in step S402 system and each module initialization, then execution in step S403 time for reading and measuring parameter in step S401 program; Program execution in step S404 LCD shows then; Does execution in step S405 have abnormal conditions after above-mentioned initialization and the completion of LCD demonstration relevant information? If the corresponding abnormal conditions of i.e. program checkout are arranged then execution in step S406 abnormality processing; Judgement is that those abnormal conditions occur, and abnormal conditions are handled accordingly; Because this program is also to be to design with modularization; Master routine only needs the arrival of wait task; If task arrives, then carry out corresponding operation, so if no abnormal situation; The then then arrival of execution in step S407 wait charging terminal task of master routine can be carried out data storage, warning processing, button processing, carrier transmitting-receiving processing, control and treatment, infrared receiving/transmission processing, the processing of inserting coins, radio frequency read-write processing according to various tasks.
Fig. 5 is a kind of concrete embodiment of the utility model electric motor car charge charging device; Be connected through netting twine or GPRS the main website management system with data concentrator; Data concentrator then links to each other with the line of electric force of three-phase four-wire system; Also can only connect a phase, if only connect a phase, then electric motor car charge charging system can only be communicated by letter with this charging terminal mutually of connection.Accomplish after the above-mentioned connection, then draw a plurality of coupling boxes from A, B, C phase line of electric force, in each coupling box, can draw the line of electric force of many homophases again, the line of electric force in each coupling box of reasonable distribution is connected to each charging terminal again.Then the wherein output line that conforms to the charging voltage of electric motor car in many output lines of the omnipotent output module through charging terminal links to each other with the electric motor car interface, and electric motor car just can charge.Metering module on the data concentrator; It can be respectively measures power informations such as the total current of A, B, C phase line of electric force, total electricity consumptions; Be measurable each charging terminal total current, the total electricity consumption that is connected on same phase line of electric force; And data concentrator can also monitor the charging equipment electricity consumption situation of emphasis charging terminal in real time, improved the security of electric motor car charging and toll collection system greatly.

Claims (4)

1. one kind based on the electric motor car of power line carrier charging charging device; It is characterized in that: this device comprises main website management system, data concentrator, charging terminal; The main website management system links to each other with data concentrator through netting twine or GPRS; Carry out wired and wireless data communication, data concentrator is connected with charging terminal through three-phase power line.
2. electric motor car charging charging device according to claim 1, it is characterized in that: described main website management system comprises data server, PC, IC-card top-up machines and printer, and data server is connected with PC through netting twine; The IC-card top-up machines is connected with PC through USB interface or IC-card top-up machines dedicated data line; Printer is then printed connecting line through USB and is connected with PC with parallel port printing connecting line.
3. electric motor car charging charging device according to claim 1; It is characterized in that: described data concentrator comprises power module, rechargeable battery module, carrier transmitting-receiving module, GPRS module, ethernet module, RS485 module, metering module, data memory module, LCD display, button, infrared transceiver module, USB module, MCU, sound and light alarm and security module is set; Each module is connected with MCU; Ethernet module and another interface of GPRS module link to each other with the main website management system in the middle of each module; Carry out wired and wireless data communication respectively, another interface of carrier transmitting-receiving module, metering module and power module is connected with line of electric force.
4. electric motor car charging charging device according to claim 1; It is characterized in that: described charging terminal comprises power module, metering module, radio frequency module for reading and writing, MCU, LCD demonstration, coin detection module, button, carrier transmitting-receiving module, data storage module, magnetic latching relay, bidirectional relay driver module, audible and visible alarm and omnipotent output module is set; Except omnipotent output module is connected with the bidirectional relay driver module; Realize outside the power supply output; Each module all is connected with MCU, and another interface of carrier transmitting-receiving module, metering module and power module in each module is connected with line of electric force.
CN 201220157965 2012-04-13 2012-04-13 Charging device for charging electric car based on power line carrier (PLC) Expired - Fee Related CN202615500U (en)

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CN 201220157965 CN202615500U (en) 2012-04-13 2012-04-13 Charging device for charging electric car based on power line carrier (PLC)

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Application Number Priority Date Filing Date Title
CN 201220157965 CN202615500U (en) 2012-04-13 2012-04-13 Charging device for charging electric car based on power line carrier (PLC)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104505665A (en) * 2014-12-03 2015-04-08 杭州信雅达科技有限公司 Charging intelligent socket, control center, charging system and method
CN104616629A (en) * 2015-01-21 2015-05-13 苏州市职业大学 Power carrier-based electronic price tag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104505665A (en) * 2014-12-03 2015-04-08 杭州信雅达科技有限公司 Charging intelligent socket, control center, charging system and method
CN104616629A (en) * 2015-01-21 2015-05-13 苏州市职业大学 Power carrier-based electronic price tag

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Granted publication date: 20121219

Termination date: 20130413