CN108407658A - A kind of Battery Management System for Hybrid Electric Vehicle - Google Patents

A kind of Battery Management System for Hybrid Electric Vehicle Download PDF

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Publication number
CN108407658A
CN108407658A CN201810395127.6A CN201810395127A CN108407658A CN 108407658 A CN108407658 A CN 108407658A CN 201810395127 A CN201810395127 A CN 201810395127A CN 108407658 A CN108407658 A CN 108407658A
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CN
China
Prior art keywords
connect
detection module
central processing
processing unit
adum1250
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810395127.6A
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Chinese (zh)
Inventor
白鹏
田诗尧
陈镭
杨燕红
田云德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xihua Xinyuan Technology Co Ltd
Original Assignee
Chengdu Xihua Xinyuan Technology Co Ltd
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Publication date
Application filed by Chengdu Xihua Xinyuan Technology Co Ltd filed Critical Chengdu Xihua Xinyuan Technology Co Ltd
Priority to CN201810395127.6A priority Critical patent/CN108407658A/en
Publication of CN108407658A publication Critical patent/CN108407658A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/30Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/54Drive Train control parameters related to batteries
    • B60L2240/545Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/54Drive Train control parameters related to batteries
    • B60L2240/547Voltage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/54Drive Train control parameters related to batteries
    • B60L2240/549Current
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a kind of Battery Management System for Hybrid Electric Vehicle, including monitoring unit, central processing unit, contactor, CAN interface module, battery pack and DC DC modules;Monitoring unit is connect by ADC with central processing unit;Central processing unit is connect by the contactor with battery pack;Central processing unit is connect by the CAN interface module with vehicle-mounted CAN bus, and data exchange is carried out with whole-control system;The input terminal of DC DC modules is connect with vehicle-mounted 12V power supplys, output is connect with the total voltage detection module, monomer battery voltage detection module, current detection module, temperature detecting module, central processing unit and CAN interface module respectively, and operating voltage is provided for the chip in system.The present invention can actively cut off the power output according to vehicle data, improve battery utilization rate, simple in structure, system power dissipation is low, and accuracy of detection is high, fast response time, stability and good reliability, are with good expansibility, ensure that electrokinetic cell system reliably and vehicle travel safety.

Description

A kind of Battery Management System for Hybrid Electric Vehicle
Technical field
The present invention relates to technical field of battery management more particularly to a kind of battery management systems based on fuel cell.
Background technology
New-energy automobile refer to using unconventional vehicle fuel (or using conventional vehicle fuel but load new type power fill Set), the automobile with new technology, new construction and advanced technology principle.Wherein pure electric automobile (BEV), hybrid electric vapour Vehicle (HEV) and fuel cell electric vehicle (FCEV) development prospect are the best, and at present country widely popularize it is main new Energy vehicle.
The vehicle performance of hybrid vehicle is largely dependent upon power accumulator.The electricity of high-performance, high reliability Pond management system (BMS) can make battery obtain best performance under various conditions.Battery management system will not only monitor mixing Charging and discharging currents, total voltage and the remaining capacity SOC of power vehicle battery, will also predict the power level of battery, to monitor The behaviour in service of battery, and battery is not damaged.When overcharging occurs in battery or puts excessively, the excessively high abnormal conditions of temperature When, the disconnected battery failures of the battery management system consultation of doctors are simultaneously alarmed, while whole-control system provides control to charger and electrical equipment Signal processed.Therefore, battery management system is one of important electronic control unit of hybrid vehicle, to ensureing the reliable of battery Property and safety play an important role.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of battery management system based on fuel cell.
Specifically, a kind of Battery Management System for Hybrid Electric Vehicle, including monitoring unit, central processing unit, contactor, CAN interface module, battery pack and DC-DC module;
The monitoring unit includes total voltage detection module, monomer battery voltage detection module, current detection module and temperature inspection Survey module, the voltage parameter of the total voltage detection module acquisition battery pack, the electricity of the current detection module acquisition battery pack Flow parameter, the temperature parameter of temperature detecting module acquisition battery pack, the total voltage detection module, current detection module and Temperature detecting module is connect by ADC with the central processing unit respectively;
The central processing unit is connect by the contactor with the battery pack;
The central processing unit is connect by the CAN interface module with vehicle-mounted CAN bus, and data are carried out with whole-control system It exchanges;
The input terminal of the DC-DC module is connect with vehicle-mounted 12V power supplys, output respectively with the total voltage detection module, monomer Battery voltage sensing module, current detection module, temperature detecting module, central processing unit and CAN interface module connection, are system In chip provide operating voltage.
Further, the system also includes I2C telecommunication circuits, the monomer battery voltage detection module and the centers Processor is connected by the I2C telecommunication circuits.
Further, the monomer battery voltage detection module includes OZ890 chips, and the central processing unit is TMS320LF2407A。
Further, the I2C telecommunication circuits include I2C expansion modules, two-way isolating chip, the first capacitance, the second electricity Appearance, first resistor, second resistance, 3rd resistor and the 4th resistance;The I2C expansion modules are PAC9564, the two-way isolation Chip is ADuM1250;
The ends D7 are connect the D0 --- ends D7 respectively with the D0 of PCA9564 --- of TMS320LF2407A, the ends SDA of PCA9564 and the The connection of the ends SDA1 of the first ends of two resistance and ADuM1250, the ends SCL of PCA9564 and the first end of first resistor and The ends SCL1 of ADuM1250 connect, and the second end of first resistor and the ends VDD1 of the second end of second resistance and ADuM1250 connect And it is connect with positive pole;The ends VDD1 of ADuM1250 are connect with the first end of the first capacitance, the second end of the first capacitance with The ends GND1 of ADuM1250 connect and are grounded;The ends SDAO at the ends SDA2 of ADuM1250 and the first end of 3rd resistor and OZ890 Connection, the ends SCL2 of ADuM1250 connect with the ends SCLO of the first end of the 4th resistance and OZ890, the second end of 3rd resistor and The second end of 4th resistance and the ends the VDD2 connection of ADuM1250;The first end of second capacitance and the ends VDD2 of ADuM1250 connect It connects, the second end of the second capacitance and the ends GND2 of ADuM1250 connect and connect with power cathode.
Further, the DC-DC module includes decompression chip LM7805 and boost chip TMS61170.
Further, the battery pack includes multiple single batteries, the output end of the single battery and monomer electricity The input terminal of cell voltage detection module connects, and output end and the central processing unit of the monomer battery voltage detection module connect It connects.
The beneficial effects of the present invention are:Data can be efficiently exchanged with whole-control system, and can be according to vehicle data It actively cuts off the power output, improves battery utilization rate, be conducive to whole-control system reasonable distribution power, it is simple in structure, be It unites low in energy consumption, accuracy of detection is high, fast response time, and stability and good reliability are with good expansibility, ensure that power Battery system reliably and vehicle travel safety.
Description of the drawings
Fig. 1 is a kind of Battery Management System for Hybrid Electric Vehicle structural schematic diagram of the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair Bright specific implementation mode.
As shown in Figure 1, a kind of Battery Management System for Hybrid Electric Vehicle, including monitoring unit, central processing unit, contact Device, CAN interface module, battery pack and DC-DC module;
The monitoring unit includes total voltage detection module, monomer battery voltage detection module, current detection module and temperature inspection Survey module, the voltage parameter of the total voltage detection module acquisition battery pack, the electricity of the current detection module acquisition battery pack Flow parameter, the temperature parameter of temperature detecting module acquisition battery pack, the total voltage detection module, current detection module and Temperature detecting module is connect by ADC with the central processing unit respectively;
The central processing unit is connect by the contactor with the battery pack;
The central processing unit is connect by the CAN interface module with vehicle-mounted CAN bus, and data are carried out with whole-control system It exchanges;
The input terminal of the DC-DC module is connect with vehicle-mounted 12V power supplys, output respectively with the total voltage detection module, monomer Battery voltage sensing module, current detection module, temperature detecting module, central processing unit and CAN interface module connection, are system In chip provide operating voltage.
Further, the system also includes I2C telecommunication circuits, the monomer battery voltage detection module and the centers Processor is connected by the I2C telecommunication circuits.
Further, the monomer battery voltage detection module includes OZ890 chips, and the central processing unit is TMS320LF2407A。
Further, the I2C telecommunication circuits include I2C expansion modules, two-way isolating chip, the first capacitance, the second electricity Appearance, first resistor, second resistance, 3rd resistor and the 4th resistance;The I2C expansion modules are PAC9564, the two-way isolation Chip is ADuM1250;
The ends D7 are connect the D0 --- ends D7 respectively with the D0 of PCA9564 --- of TMS320LF2407A, the ends SDA of PCA9564 and the The connection of the ends SDA1 of the first ends of two resistance and ADuM1250, the ends SCL of PCA9564 and the first end of first resistor and The ends SCL1 of ADuM1250 connect, and the second end of first resistor and the ends VDD1 of the second end of second resistance and ADuM1250 connect And it is connect with positive pole;The ends VDD1 of ADuM1250 are connect with the first end of the first capacitance, the second end of the first capacitance with The ends GND1 of ADuM1250 connect and are grounded;The ends SDAO at the ends SDA2 of ADuM1250 and the first end of 3rd resistor and OZ890 Connection, the ends SCL2 of ADuM1250 connect with the ends SCLO of the first end of the 4th resistance and OZ890, the second end of 3rd resistor and The second end of 4th resistance and the ends the VDD2 connection of ADuM1250;The first end of second capacitance and the ends VDD2 of ADuM1250 connect It connects, the second end of the second capacitance and the ends GND2 of ADuM1250 connect and connect with power cathode.
Further, the DC-DC module includes decompression chip LM7805 and boost chip TMS61170.
Further, the battery pack includes multiple single batteries, the output end of the single battery and monomer electricity The input terminal of cell voltage detection module connects, and output end and the central processing unit of the monomer battery voltage detection module connect It connects.
It should be noted that for each embodiment of the method above-mentioned, for simple description, therefore it is all expressed as to a system The combination of actions of row, but those skilled in the art should understand that, the application is not limited by the described action sequence, because For according to the application, certain some step can be performed in other orders or simultaneously.Secondly, those skilled in the art also should Know, embodiment described in this description belongs to preferred embodiment, involved action and unit not necessarily this Shen It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment Part, may refer to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in computer read/write memory medium In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.

Claims (6)

1. a kind of Battery Management System for Hybrid Electric Vehicle, it is characterised in that:Including monitoring unit, central processing unit, contactor, CAN interface module, battery pack and DC-DC module;
The monitoring unit includes total voltage detection module, monomer battery voltage detection module, current detection module and temperature inspection Survey module, the voltage parameter of the total voltage detection module acquisition battery pack, the electricity of the current detection module acquisition battery pack Flow parameter, the temperature parameter of temperature detecting module acquisition battery pack, the total voltage detection module, current detection module and Temperature detecting module is connect by ADC with the central processing unit respectively;
The central processing unit is connect by the contactor with the battery pack;
The central processing unit is connect by the CAN interface module with vehicle-mounted CAN bus, and data are carried out with whole-control system It exchanges;
The input terminal of the DC-DC module is connect with vehicle-mounted 12V power supplys, output respectively with the total voltage detection module, monomer Battery voltage sensing module, current detection module, temperature detecting module, central processing unit and CAN interface module connection, are system In chip provide operating voltage.
2. a kind of Battery Management System for Hybrid Electric Vehicle according to claim 1, it is characterised in that:The system is also wrapped I2C telecommunication circuits are included, the monomer battery voltage detection module is connected with the central processing unit by the I2C telecommunication circuits It connects.
3. a kind of Battery Management System for Hybrid Electric Vehicle according to claim 2, it is characterised in that:The single battery Voltage detection module includes OZ890 chips, and the central processing unit is TMS320LF2407A.
4. a kind of Battery Management System for Hybrid Electric Vehicle according to claim 3, it is characterised in that:The I2C communications Circuit includes I2C expansion modules, two-way isolating chip, the first capacitance, the second capacitance, first resistor, second resistance, 3rd resistor And the 4th resistance;The I2C expansion modules are PAC9564, and the two-way isolating chip is ADuM1250;
The ends D7 are connect the D0 --- ends D7 respectively with the D0 of PCA9564 --- of TMS320LF2407A, the ends SDA of PCA9564 and the The connection of the ends SDA1 of the first ends of two resistance and ADuM1250, the ends SCL of PCA9564 and the first end of first resistor and The ends SCL1 of ADuM1250 connect, and the second end of first resistor and the ends VDD1 of the second end of second resistance and ADuM1250 connect And it is connect with positive pole;The ends VDD1 of ADuM1250 are connect with the first end of the first capacitance, the second end of the first capacitance with The ends GND1 of ADuM1250 connect and are grounded;The ends SDAO at the ends SDA2 of ADuM1250 and the first end of 3rd resistor and OZ890 Connection, the ends SCL2 of ADuM1250 connect with the ends SCLO of the first end of the 4th resistance and OZ890, the second end of 3rd resistor and The second end of 4th resistance and the ends the VDD2 connection of ADuM1250;The first end of second capacitance and the ends VDD2 of ADuM1250 connect It connects, the second end of the second capacitance and the ends GND2 of ADuM1250 connect and connect with power cathode.
5. a kind of Battery Management System for Hybrid Electric Vehicle according to claim 1, it is characterised in that:The DC-DC moulds Block includes decompression chip LM7805 and boost chip TMS61170.
6. a kind of Battery Management System for Hybrid Electric Vehicle according to claim 1, it is characterised in that:The battery pack packet Multiple single batteries are included, the output end of the single battery is connect with the input terminal of the monomer battery voltage detection module, institute The output end for stating monomer battery voltage detection module is connect with the central processing unit.
CN201810395127.6A 2018-04-27 2018-04-27 A kind of Battery Management System for Hybrid Electric Vehicle Withdrawn CN108407658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810395127.6A CN108407658A (en) 2018-04-27 2018-04-27 A kind of Battery Management System for Hybrid Electric Vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810395127.6A CN108407658A (en) 2018-04-27 2018-04-27 A kind of Battery Management System for Hybrid Electric Vehicle

Publications (1)

Publication Number Publication Date
CN108407658A true CN108407658A (en) 2018-08-17

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CN201810395127.6A Withdrawn CN108407658A (en) 2018-04-27 2018-04-27 A kind of Battery Management System for Hybrid Electric Vehicle

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021105689U1 (en) 2021-10-19 2021-11-11 Punit Kumar Dwivedi Intelligent system to improve the condition of the batteries of electric vehicles through machine learning and artificial intelligence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021105689U1 (en) 2021-10-19 2021-11-11 Punit Kumar Dwivedi Intelligent system to improve the condition of the batteries of electric vehicles through machine learning and artificial intelligence

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