CN107757415A - A kind of electric tractor intelligent charger - Google Patents
A kind of electric tractor intelligent charger Download PDFInfo
- Publication number
- CN107757415A CN107757415A CN201711151299.0A CN201711151299A CN107757415A CN 107757415 A CN107757415 A CN 107757415A CN 201711151299 A CN201711151299 A CN 201711151299A CN 107757415 A CN107757415 A CN 107757415A
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- 238000004891 communication Methods 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of electric tractor intelligent charger, including master control borad, touch-screen, PDA, Switching Power Supply, AC/DC power modules, and DC charging rifle;DC charging rifle includes direct current supply line and connection, and direct current supply line is used to be charged for electric tractor battery bag;Connection is connected with BMS discharge and recharge CAN communication interfaces;BMS discharge and recharge CAN communication interfaces are communicated by CAN and master control borad, send the parameters such as cell voltage electric current, state-of-charge in real time to master control borad in charging process, AC/DC power modules output voltage and electric current are adjusted after being analyzed and processed by master control borad in real time, to reach optimal charge efficiency, and charging status information is intuitively shown on configuration software touch-screen and charge power can be adjusted with real-time control, PDA remote real time monitorings information about power and charged state can also be passed through;The present invention has the advantages that charging is rapid, stability is good and easy to operate.
Description
Technical field
The present invention relates to electric tractor charging field, and in particular to a kind of electric tractor intelligent charger.
Background technology
Presently, agricultural main dynamic power machine in China's is still tractor, and its recoverable amount remains what is risen year by year
Situation, but the problems such as oil consumption existing for conventional fuel oil tractor is high, emission performance is poor, speed changer structure complexity, its caused energy
The pressure that source consumes and problem of environmental pollution has been further exacerbated by China's energy-conserving and environment-protective and the strategy of sustainable development is faced.Facility
The special agriculture production environments such as agricultural, the ecological agriculture, garden agricultural are to zero-emission, pollution-free, low noise green power agricultural machinery
The demand of tool is more and more urgent, and high efficiency smart environmental protection farm power machinery has turned into the main direction of global innovation work of agricultural machinery technology.
As a kind of novel green agricultural machinery, it has zero-emission, low noise, high efficiency and is easy to grasp electric tractor
The features such as making, it is to solve the optimal alternative solution that traditional tractor faces various problems.In order to promote electric tractor technology
Market-oriented, the practical and industrialization of product, such as how based on electric tractor specific work environments, according to electrokinetic cell
The charge-discharge characteristic of energy Analysis of Parameter Matching and battery, designing the intelligent charging machine based on optimal charge management strategy becomes mesh
Preceding urgent problem to be solved.
The content of the invention
In order to solve the above problems, the invention discloses a kind of electric tractor intelligent charger;Purpose is to provide
A kind of high power DC charging device for electric tractor quick charge, the device can carry out quick to electric tractor
Charging, charging status information is intuitively shown on configuration software touch-screen and charge power can be adjusted with real-time control, also may be used
To pass through PDA (Personal Digital Assistant, personal palm PC) remote real time monitoring information about power and charging
State, have the advantages that charging is rapid, stability is good and easy to operate.
A kind of electric tractor intelligent charger, including master control borad, touch-screen, PDA, Switching Power Supply, AC/DC power supply moulds
Block and DC charging rifle.
The master control borad is made up of MCU, Wi-Fi module, CAN communication module, 485 communication modules and power module;Institute
State MCU to be made up of STM32 minimum systems, for data analysis and process;The MCU passes through Wi-Fi module, CAN communication module
And 485 communication module and external communication;The Wi-Fi module is used to communicate wirelessly with PDA;The CAN communication module is used
Enter in AC/DC power modules and BMS (Battery Management System, electric automobile power battery management system)
Row communication;485 communication module is communicated by signal wire and configuration software host computer;Based on the power module is used for
Control plate power supply;The MCU, Wi-Fi module, CAN communication module, 485 communication modules and power module are welded on one piece of PCB
On circuit board.
The touch-screen is MCGS touch-screens, is inputted in touch-screen and passes through charge information monitoring and control that configuration software is worked out
Application software processed;Charge information is monitored and control application software is communicated with MCU by 485 communication modules, for the shape that charges
The display directly perceived of state and power state information and charging start-up and shut-down control.
The PDA, it is communicated wirelessly by Wi-Fi and MCU, is filled for remote monitoring electric tractor electrokinetic cell
Electricity condition information and charging start-up and shut-down control.
The Switching Power Supply, for the 24V DC voltages for being converted into meeting equipment requirement by mains supply, be touch-screen and
Master control borad is powered.
The AC/DC power modules, mains electricity is converted into direct current, the AC/DC power modules are total by CAN
Line is communicated with MCU, is adjusted AC/DC power module output currents and voltage according to power module communications protocol and is detected its fortune
Row state.
The DC charging rifle is mainly made up of direct current supply line and connection, and the direct current supply line is used to drag to be electronic
Machine drawing battery bag is charged, and the connection is connected with BMS discharge and recharge CAN communication interfaces, the BMS discharge and recharges CAN communication
Interface is communicated by CAN and MCU, sends cell voltage electric current, charged shape in real time to master control borad in charging process
The parameters such as state, AC/DC power modules output voltage and electric current are adjusted after being analyzed and processed by MCU in real time, to reach optimal charge effect
Rate.
Advantages of the present invention:
1st, user need not treat in situ, can pass through PDA remote monitoring electric tractor power battery charging status informations
And charging start-up and shut-down control, it is convenient and swift;
2nd, master control borad, AC/DC power modules and BMS are articulated to CAN as communication node by signal wire
One CAN communication network of upper composition, simplifies communication line, drastically increases flexibility and scalability, and reliability is high.
3rd, in charging process by master control borad MCU (single-chip microcomputer) according to parameters such as real cell voltage electric current, state-of-charges, it is real
When adjust AC/DC power modules output voltage and electric current, can reach optimal charge efficiency.
Brief description of the drawings
Fig. 1 is a kind of electric tractor intelligent charger schematic diagram;
Fig. 2 is a kind of electric tractor intelligent charger CAN network topology structure;
In Fig. 2:1st, CAN communication node, 2, signal wire, 3, terminal resistance, 4, CAN;
Embodiment
Embodiment 1:Reference picture 1.A kind of electric tractor intelligent charger, including master control borad, touch-screen, PDA, switch
Power supply, AC/DC power modules, and DC charging rifle.
The master control borad is made up of MCU, Wi-Fi module, CAN communication module, 485 communication modules and power module;Institute
MCU is stated to be made up of STM32F407VET6 chips and its minimum system, the STM32F407VET6 chips be used for data analysis and
Processing, and pass through Wi-Fi module, CAN communication module and 485 communication modules and external communication;The Wi-Fi module be by
The radio receiving transmitting module of ESP8266 chips and its basic peripheral circuit composition, for being communicated wirelessly with PDA;
The CAN communication module carries CAN controller and CAN transceiver TJA1050 by STM32F407VET6 chips
Chip form, for AC/DC power modules and BMS (Battery Management System, electric automobile power battery
Management system) communicated;
485 communication module is made up of RS485 communication chips MAX485CPA and peripheral circuit, its by signal wire with
Configuration software host computer is communicated;
The power module is made up of step-down switching regulator LM2595_5 and low pressure difference linear voltage regulator M3940_3.3,
The LM2595_5 by Switching Power Supply output 24V voltage conversions be 5V voltages, for for Wi-Fi module, CAN communication module and
485 communication modules are powered, and 5V DC voltages are converted into 3.3V by the M3940_3.3, for being powered for main control MCU;
The MCU, Wi-Fi module, CAN communication module, 485 communication modules and power module are welded on one piece of PCB
On circuit board.
The touch-screen is MCGS touch-screens, is inputted in touch-screen and passes through charge information monitoring and control that configuration software is worked out
Application software (according to prior art program) processed, it is communicated by 485 communication modules with MCU, for charged state and electricity
The display directly perceived of source status information and charging start-up and shut-down control.
The PDA, it is communicated wirelessly by Wi-Fi and MCU, is filled for remote monitoring electric tractor electrokinetic cell
Electricity condition information and charging start-up and shut-down control.
The Switching Power Supply selects bright latitude S-50-24, for the 24V direct currents for being converted into meeting equipment requirement by mains supply
Voltage, it is that touch-screen and master control borad are powered.
The AC/DC power modules select Ying Fei sources REG75035 DC power suppliers, by civil power be converted into voltage 150~
750V, electric current 0~33A continuously adjustabes direct current, the AC/DC power modules are communicated by CAN 4 and MCU, root
AC/DC power module output currents and voltage are adjusted according to power module communications protocol and detect its running status.
The DC charging rifle is from thinking much up to NV3-DSD-EV200P, and it is mainly by direct current supply line and connection group
Into the direct current supply line is used to be charged for electric tractor battery bag, the connection and BMS discharge and recharge CAN communications
Interface is connected, and the BMS discharge and recharges CAN communication interface is communicated by CAN 4 and MCU, to master control in charging process
Plate sends the parameters such as cell voltage electric current, state-of-charge in real time, and adjustment AC/DC power modules are defeated in real time after being analyzed and processed by MCU
Go out voltage and current, to reach optimal charge efficiency.
Embodiment 2:Reference picture 2.The CAN communication network is by CAN communications node 1, signal wire 2, terminal resistance 3 and CAN
Bus 4 forms;
The CAN communications node 1 is by master control borad CAN communication module, AC/DC power module CAN control interfaces and BMS charge and discharges
Electric CAN communication interface composition, is articulated in CAN 4 by signal wire 2;
The CAN 4 employs multi-master competition formula bus structures, has the operation of more main websites and disperses the serial total of arbitration
The characteristics of line and broadcast communication, its arbitrary node can at any time on one's own initiative to other nodes on network send information without
Divide primary and secondary, free communication can be realized between each node, the transmission medium of CAN 4 uses twisted-pair shielded wire;
The master control borad and BMS as the distalmost end of CAN 4, the terminal resistance 3 be connected on 4 farthest both ends of CAN with
Improve CAN antijamming capability;
The AC/DC power modules are articulated among CAN, can be with to improve electric tractor charger charge power
Multiple AC/DC power modules are used in parallel.
Claims (3)
1. a kind of electric tractor intelligent charger, it is characterised in that including master control borad, touch-screen, palm PC PDA, switch
Power supply, AC/DC power modules and DC charging rifle;
The master control borad includes MCU, Wi-Fi module, CAN communication module, 485 communication modules and AC/DC power modules composition;
The Wi-Fi module is used to communicate wirelessly with palm PC PDA;The MCU is used for remote monitoring electric tractor power
Battery charge state information and charging start-up and shut-down control;The CAN communication module by CAN and AC/DC power modules and
Electric automobile power battery management system BMS is communicated;485 communication module passes through signal wire and configuration software host computer
Communicated, display directly perceived and charging start-up and shut-down control for charged state and power state information;The AC/DC power supplys mould
Block is used to power for master control borad;
The touch-screen is MCGS touch-screens, and the charge information monitoring worked out by configuration software is inputted in touch-screen and control should
Use software;Charge information is monitored and control application software is communicated with MCU by 485 communication modules, for charged state and
The display directly perceived of power state information and charging start-up and shut-down control;
The palm PC PDA is communicated wirelessly by Wi-Fi and MCU, for remote monitoring electric tractor electrokinetic cell
Charging status information and charging start-up and shut-down control;
The Switching Power Supply is that touch-screen and master control borad are powered;
The AC/DC power modules, mains electricity is converted into direct current;The AC/DC power modules by CAN with
MCU is communicated, and is adjusted AC/DC power module output currents and voltage according to power module communications protocol and is detected it and runs shape
State;
The DC charging rifle includes direct current supply line and connection;It is electric tractor battery bag that the direct current supply line, which is used for,
Charged;The connection is connected with electric automobile power battery management system BMS discharge and recharge CAN communication interfaces;The electricity
Electrical automobile power battery management system BMS discharge and recharge CAN communication interfaces are communicated by CAN and MCU, for charging
During send cell voltage electric current and state-of-charge parameter in real time to master control borad, after being analyzed and processed by MCU in real time adjustment AC/DC
Power module output voltage and electric current.
A kind of 2. electric tractor intelligent charger as claimed in claim 1, it is characterised in that the MCU by STM32 most
Mini system forms, for data analysis and process;The MCU by Wi-Fi module, CAN communication module and 485 communication modules with
External communication.
A kind of 3. electric tractor intelligent charger as claimed in claim 1, it is characterised in that MCU, Wi-Fi mould
Block, CAN communication module, 485 communication modules and AC/DC power modules are welded in one piece of PCB.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711151299.0A CN107757415A (en) | 2017-11-18 | 2017-11-18 | A kind of electric tractor intelligent charger |
Applications Claiming Priority (1)
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CN201711151299.0A CN107757415A (en) | 2017-11-18 | 2017-11-18 | A kind of electric tractor intelligent charger |
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Publication Number | Publication Date |
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CN107757415A true CN107757415A (en) | 2018-03-06 |
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CN201711151299.0A Pending CN107757415A (en) | 2017-11-18 | 2017-11-18 | A kind of electric tractor intelligent charger |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111452665A (en) * | 2020-05-25 | 2020-07-28 | 南京能瑞电力科技有限公司 | Intelligent charging and battery replacing cabinet for electric bicycle |
Citations (6)
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CN102117943A (en) * | 2011-01-19 | 2011-07-06 | 启明信息技术股份有限公司 | Intelligent charging method and device for battery management system of electric vehicle |
CN102208824A (en) * | 2011-06-03 | 2011-10-05 | 中国科学院电工研究所 | Sequential charging control system for electric vehicles |
CN103208839A (en) * | 2013-03-29 | 2013-07-17 | 天津大学 | Lithium ion battery pack charger based on controller area network (CAN) bus and charging control method |
CN104810894A (en) * | 2015-05-08 | 2015-07-29 | 山东鲁能智能技术有限公司 | Split type direct-current charging piles for electric automobiles, system and method |
CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
CN208101722U (en) * | 2017-11-18 | 2018-11-16 | 山东农业大学 | A kind of electric tractor intelligent charger |
-
2017
- 2017-11-18 CN CN201711151299.0A patent/CN107757415A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102117943A (en) * | 2011-01-19 | 2011-07-06 | 启明信息技术股份有限公司 | Intelligent charging method and device for battery management system of electric vehicle |
CN102208824A (en) * | 2011-06-03 | 2011-10-05 | 中国科学院电工研究所 | Sequential charging control system for electric vehicles |
CN103208839A (en) * | 2013-03-29 | 2013-07-17 | 天津大学 | Lithium ion battery pack charger based on controller area network (CAN) bus and charging control method |
CN104810894A (en) * | 2015-05-08 | 2015-07-29 | 山东鲁能智能技术有限公司 | Split type direct-current charging piles for electric automobiles, system and method |
CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
CN208101722U (en) * | 2017-11-18 | 2018-11-16 | 山东农业大学 | A kind of electric tractor intelligent charger |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111452665A (en) * | 2020-05-25 | 2020-07-28 | 南京能瑞电力科技有限公司 | Intelligent charging and battery replacing cabinet for electric bicycle |
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Application publication date: 20180306 |