CN107264449A - A kind of car intelligent power management system - Google Patents

A kind of car intelligent power management system Download PDF

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Publication number
CN107264449A
CN107264449A CN201710467933.5A CN201710467933A CN107264449A CN 107264449 A CN107264449 A CN 107264449A CN 201710467933 A CN201710467933 A CN 201710467933A CN 107264449 A CN107264449 A CN 107264449A
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CN
China
Prior art keywords
battery
sensor module
module
current
power management
Prior art date
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Pending
Application number
CN201710467933.5A
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Chinese (zh)
Inventor
张建寰
李姗文
李伟
郑毅
张�成
何良宗
郑智鹏
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.)
Xiamen University
Xiamen King Long United Automotive Industry Co Ltd
Original Assignee
Xiamen University
Xiamen King Long United Automotive Industry Co Ltd
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Publication date
Application filed by Xiamen University, Xiamen King Long United Automotive Industry Co Ltd filed Critical Xiamen University
Priority to CN201710467933.5A priority Critical patent/CN107264449A/en
Publication of CN107264449A publication Critical patent/CN107264449A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/13—Maintaining the SoC within a determined range
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • 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
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

A kind of car intelligent power management system, is related to power supply for passenger car, and detection accumulator cell charging and discharging electric current, operating voltage, temperature are respectively used to provided with the 1st current sensor module, voltage sensor module, temperature sensor module；2nd current sensor module is used to detect vehicle electricity consumption electric current；Protection circuit module is used for the corresponding current supply circuit of disjunction in time under the abnormal conditions such as high current overload, under-voltage, over-pressed；Battery charging and discharging control module is used to control generator to charge a battery.Power management main control module internal battery state-of-charge algorithm, is corrected according to battery temperature to battery capacity, and based on battery behavior data and real-time detector data, state-of-charge is estimated with reference to open circuit voltage method and current integration method.Power-supply management system realizes the shared of information and resource by CAN and other control units, and by power-supply management system data transfer to background data base, available for further data mining, battery loss analysis and failure predication.

Description

A kind of car intelligent power management system
Technical field
The present invention relates to power supply for passenger car, more particularly, to a kind of car intelligent power management system.
Background technology
As people require more and more higher to the security, comfortableness and hommization of car, the electronics peace entrained by car Full equipment and amusement electrical equipment are also more and more；On the other hand, in order to improve The Surroundings in Cities pollution, in public transport field Vigorously promote the use the integral new-energy passengers such as hybrid power and pure electric coach.These are all proposed to the power-supply management system of car Higher requirement.
The power-supply management system of car, is responsible for electric power distribution, circuit protection and circuit control of vehicle etc., is each on car The safety of individual electrical equipment and the guarantee normally used, its performance directly influence the safe operation of automobile.In order to meet visitor Car actual motion demand, power-supply management system research has achieved larger in terms of functional reliability, practicality and security Development (Li Bing, Yang Diange, Kong Weiwei, small jade-like stone automobile intelligents power control system research [J] the automotive engineerings of company, 2014, (02):44-47.).But the existing typically no starting current of power supply for passenger car management system, charging and discharging currents, voltage, key portion The parameter monitorings such as position temperature, also no storage battery state-of-charge (SoC) is estimated, and realizes that starting current is supervised online with reference to CAN Survey, control, prediction, alarm etc. function, more not by power detecting data transfer to backstage, carry out data collect with analysis etc. Function, causing the vehicle pyrophoricity accident caused by fault to happen occasionally, (Yu Jigang, cars of volume based on CAN is electric Management system conceptual design [J] electrical technologies, 2013, (05):50-53.).
Therefore, the parameter monitorings such as high-precision, the jamproof source current, the voltage that are combined with CAN, control, processing Estimate etc. technology, and storage battery charge state (SoC), be not singly the bottleneck of current power supply for passenger car management system development, be also Car, which lacks safe prediction, alarm, backstage, can not carry out the key technology of power supply Correlative data analysis service, be bus and coach enterprise urgently Technical problem to be solved, is the developing direction of power management techniques.
The content of the invention
It is single the invention aims to solve existing power supply for passenger car management system function, it is impossible to meet function and safety There is provided a kind of car intelligent power management system for demand.
The present invention is passed provided with power management main control module, the 1st current sensor module, the 2nd current sensor module, voltage Sensor module, temperature sensor module, protection circuit module, battery charging and discharging control module；The 1st current sensor mould Block, the 2nd current sensor module, voltage sensor module, temperature sensor module, protection circuit module and battery charging and discharging control Molding block is connected with the power management main control module；
1st current sensor module is connected with battery positive voltage, and the 1st current sensor module, which is used to detect in real time, to be stored Charging and discharging currents information in cell operations；
The voltage sensor module is in parallel with battery, and voltage sensor module is used for the voltage for detecting battery in real time Information；
The temperature sensor module is pressed close to battery post, and temperature sensor module is used to detect battery in real time Temperature information；
2nd current sensor module is connected with vehicle battery main switch, and the 2nd current sensor module is used to detect whole Vehicle electric current information；
The power management main control module is used to control the 1st current sensor module, the 2nd current sensor module, voltage Sensor assembly, temperature sensor module keep real-time monitoring, and power management main control module is additionally operable to control protection electric circuit module With battery charging and discharging control module；
The protection circuit module is used for battery and the phenomenons such as over-pressed, under-voltage, high temperature or dump energy occurs less than setting value When cut off current supply circuit of the battery to electrical equipment；
The battery charging and discharging control module is used for when output generator current is taken more than electrical equipment, and control generates electricity Machine charges a battery.
The protection circuit module includes automobile-used self- recoverage insurance, relay, electronic switch, can be to high current overload situations Carry out power-off protection.
Power management main control module internal battery state-of-charge (SoC) algorithm, the storage battery charge state (SoC) algorithm is corrected according to battery temperature to battery capacity, based on battery behavior parameter and real-time detector data, knot Open circuit voltage method and current integration method are closed, to estimate storage battery charge state (SoC).
CAN built in the power management main control module communicates, power management main control module and vehicle body CAN phase Even, for receiving Body Control signal, transmission of monitoring data and alarm signal.Meanwhile, under dead ship condition, by power-supply management system Information transfer is to background data base, for data mining, battery loss analysis and failure predication.
The invention has the advantages that：
Pass through the monitoring to power supply for passenger car state, including vehicle electricity consumption electric current, startup high current, the electricity of accumulator cell charging and discharging The parameters such as pressure, electric current and temperature, prevention accident caused by overload, short circuit, high temperature etc. occurs.With reference to open circuit voltage method and ampere-hour Integration method estimates battery dump energy, battery capacity is corrected with temperature, and completed based on result of calculation to power supply Control is coordinated in discharge and recharge, makes the electrical system of car more stable, safe, also extends the life of storage battery.Whole system passes through CAN communication is connected with vehicle body CAN network, realizes intelligent control and data sharing.Power supply event based on CAN Barrier monitoring, prediction and warning function realize local vehicle safety operation, are that the analysis of backstage power management data lays the foundation, real The value-added services such as existing crash analysis, fault pre-alarming, maintaining suggestion.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
As being car intelligent power management system structural representation of the present invention in dotted line frame in Fig. 1, it is known that the system is by electricity Source control main control module 1, the 1st current sensor module 2, the 2nd current sensor module 3, voltage sensor module 4, temperature are passed Sensor module 5, protection circuit module 6 and battery charging and discharging control module 7 are constituted.The electricity of 1st current sensor module the 2, the 2nd Flow sensor module, voltage sensor module, temperature sensor module, excessively stream, protection circuit module and battery charging and discharging control Module is connected with the power management main control module；
1st current sensor module 2 is connected on the positive pole of battery 8, the output signal end of the 1st current sensor module 2 with Power management main control module 1 is connected, and the 1st current sensor module 2 includes current sensor, U-shaped conductor.Wherein, current sense Device uses current sensor CFS1000 of the SENSITEC companies based on anisotropic magneto-resistive effect, and U-shaped conductor uses reference current The U-shaped conductor that the design of sensor CFS1000 conductors handbook is made by copper product.U-shaped conductor and current sensor CFS1000 Fit up and down, insulate and fix, U-shaped opening direction and current sensor are in opposite direction, and with current sensor CFS1000 or so pairs Claim.1st current sensor module 2 is used for the charge and discharge electric current for detecting battery operation.When electric current flows through U-shaped conductor, The current sensor CFS1000 fitted with it is based on anisotropic magneto-resistive effect, exports electric signal, is sent to power management master control Module.
Voltage sensor module 4 is in parallel with battery 8, the output signal end of voltage sensor module 4 and power management master control Module 1 is connected.Voltage sensor module 4 uses the voltage sensor CHV-25P based on Hall effect magnetic compensation operation principle, uses In detection battery both end voltage, output electric signal to power management main control module 1.
Temperature sensor module 5 presses close to the heat generating spot of battery 8, temperature sensor module 5 and power management main control module 1 It is connected.Temperature sensor module 5 uses BS18B20, for detecting the temperature of battery 8, and it is initialized, ROM is operated, detection function Controlled by power management main control module 1.
2nd current sensor module 3 is connected with vehicle battery main switch K1, the module of the 2nd current sensor module 3 output letter Number end is connected with power management main control module 1, and the 2nd current sensor module 3 includes current sensor, U-shaped conductor.Wherein, it is electric Flow sensor uses current sensor CFS1000 of the SENSITEC companies based on anisotropic magneto-resistive effect, and U-shaped conductor is using ginseng Examine the U-shaped conductor that the design of current sensor CFS1000 conductors handbook is made by copper product.U-shaped conductor and current sensor Above and below CFS1000 laminatings, insulation are fixed, and U-shaped opening direction is in opposite direction with current sensor, and on current sensor CFS1000 is symmetrical.2nd current sensor module is used to detect the startup high current in starter start-up course.Work as electric current When flowing through U-shaped conductor, the current sensor CFS1000 fitted with it is based on anisotropic magneto-resistive effect, exports electric signal, transmission To power management main control module.
The data that the 1st current sensor module is gathered with the 2nd current sensor module are analyzed, starter motor electricity consumption can be obtained Electric current, realizes the monitoring to starting high current.
Power management main control module uses Freescale chip MC9S12XS for main control chip, and the 1st electric current of control is passed Sensor module, the 2nd current sensor module, voltage sensor module, the real-time detection function of temperature sensor module, processing inspection The electric signal of module output is surveyed, data is carried out and judges and storage, and using this data as according to control protection electric circuit.In addition, power supply Managing main control module also has two big features：Internal battery state-of-charge (SoC) algorithm 11, possesses CAN communication interface 12。
Storage battery charge state (SoC) algorithm 11, the algorithm is combined using open circuit voltage method and current integration method.Realize Mode be temperature correction battery capacity according to battery, the battery partial discharge performance data stored using in memory as according to According to, and the open-circuit voltage of battery, charging and discharging currents are gathered, with the residue electricity of dump energy computational algorithm calculating accumulator Amount.Meanwhile, battery cycle charge-discharge number of times is monitored, dump energy is corrected according to the characteristic of particular battery.
Used battery behavior parameter includes in the algorithm：Monitoring in real time and processing the data obtained, specific battery discharge Performance data and correction parameter.In real time monitoring with processing the data obtained can as battery daily record of work, be stored in main control The Flash areas of module.
CAN communication connects product and is connected with vehicle body CAN 13.Power management main control module, on the one hand by this technology, Electric current I, voltage U, temperature T, SoC data and the warning message such as excessively stream, overvoltage, under-voltage, high temperature are uploaded to driver's cabin, led to Display is crossed to show.On the other hand, the control signal to power-supply management system, battery etc. is also received.Power-supply management system leads to Shared, realization intelligence, the control of efficient system that CAN CAN_H realizes information and resource with other control units are crossed, is improved The Reliability ＆ Maintainability of system.Meanwhile, power-supply management system data and daily record of work are transmitted by CAN CAN_L It is that the analysis of backstage power management data 14 lays the foundation, to realize crash analysis, fault pre-alarming, maintenance to background data base The value-added services such as maintenance suggestion provide data and supported.
Protection circuit module, the module includes automobile-used self- recoverage insurance, relay, electronic switch.Wherein, automobile-used self- recoverage Insurance is main to carry out disjunction protection to transient short-circuit current；Relay is mainly segmented to the overload current in its segmentation limit Protection.Automobile-used self- recoverage insurance belongs to mechanical hardware protection with relay.Electronic switch be master controller according to detection with Processing the data obtained is judged, is controlled electronic switch action according to judged result, is played a protective role.
Battery charging and discharging control module, it is ensured that during running car, the electric current that dynamic power management produces generator Distribute according to need to different electrical equipment, when output generator current is taken more than electrical equipment, processing will be adjusted in it, control Generator processed reaches optimal charge state to storage battery power supply.

Claims (4)

1. a kind of car intelligent power management system, it is characterised in that provided with power management main control module, the 1st current sensor mould Block, the 2nd current sensor module, voltage sensor module, temperature sensor module, protection circuit module, battery charging and discharging control Molding block；1st current sensor module, the 2nd current sensor module, voltage sensor module, temperature sensor module, Protection circuit module and battery charging and discharging control module are connected with the power management main control module；
1st current sensor module is connected with battery positive voltage, and the 1st current sensor module is used to detect battery in real time Charging and discharging currents information in the course of work；
The voltage sensor module is in parallel with battery, and voltage sensor module is used for the voltage letter for detecting battery in real time Breath；
The temperature sensor module is pressed close to battery post, and temperature sensor module is used for the temperature for detecting battery in real time Information；
2nd current sensor module is connected with vehicle battery main switch, and the 2nd current sensor module is used to detect that vehicle is used Electric current information；
The power management main control module is used to control the 1st current sensor module, the 2nd current sensor module, voltage sensor Device module, temperature sensor module keep real-time monitoring, and power management main control module is used for control protection electric circuit module and battery Charge and discharge control module；
The protection circuit module is used to cut when battery the phenomenons such as over-pressed, under-voltage, high temperature or dump energy occurs less than setting value Disconnected current supply circuit of the battery to electrical equipment；
The battery charging and discharging control module is used for when output generator current is taken more than electrical equipment, and control generator is given Battery charges.
2. a kind of car intelligent power management system as claimed in claim 1, it is characterised in that the protection circuit module includes High current overload situations are carried out power-off protection by automobile-used self- recoverage insurance, relay, electronic switch.
3. a kind of car intelligent power management system as claimed in claim 1, it is characterised in that the power management main control module Internal battery state-of-charge algorithm, the storage battery charge state algorithm is corrected according to battery temperature to battery capacity, Based on battery behavior parameter and real-time detector data, with reference to open circuit voltage method and current integration method, for estimating battery State-of-charge.
4. a kind of car intelligent power management system as claimed in claim 1, it is characterised in that the power management main control module Built-in CAN communication, power management main control module is connected with vehicle body CAN, for receiving Body Control signal, transmission prison Survey data and alarm signal；Under dead ship condition, by power-supply management system information transfer to background data base, for data mining, Battery loss is analyzed and failure predication.
CN201710467933.5A 2017-06-20 2017-06-20 A kind of car intelligent power management system Pending CN107264449A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606199A (en) * 2018-12-10 2019-04-12 重庆电信职业学院 It is a kind of to establish electric car fully-automatic intelligent charging system and method
CN110829852A (en) * 2019-12-06 2020-02-21 贵州电网有限责任公司 DC power supply open circuit monitoring and output voltage self-healing compensation device
CN112046764A (en) * 2020-09-07 2020-12-08 南京航空航天大学 Rotary wing vertical take-off and landing hybrid power unmanned aerial vehicle and control method thereof
CN113561914A (en) * 2021-07-20 2021-10-29 英博超算(南京)科技有限公司 Car intelligence power box with fault record function
US11186198B2 (en) 2019-05-31 2021-11-30 Ford Global Technologies, Llc Methods and systems for vehicle battery cell failure detection and overcharge protection
CN115447507A (en) * 2022-09-14 2022-12-09 中国重汽集团济南动力有限公司 State management device and method for low-voltage storage battery

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995017778A1 (en) * 1993-12-21 1995-06-29 Nippondenso Co., Ltd. Output control device for a vehicle generator
JPH07194023A (en) * 1993-12-28 1995-07-28 Mitsubishi Electric Corp Output controller for vehicle alternator
CN1721226A (en) * 2004-07-12 2006-01-18 天津大学 Purely electrical automobile host controller based on CAN bus and control method therefor
CN101130342A (en) * 2006-08-24 2008-02-27 马自达汽车株式会社 Control system for hybrid vehicle
CN203705621U (en) * 2014-03-14 2014-07-09 重庆先锋渝州电器有限公司 Metering circuit of residual capacity of battery pack
CN104009519A (en) * 2014-04-30 2014-08-27 湖北一彰科技有限责任公司 Battery management system of micro-electric vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995017778A1 (en) * 1993-12-21 1995-06-29 Nippondenso Co., Ltd. Output control device for a vehicle generator
JPH07194023A (en) * 1993-12-28 1995-07-28 Mitsubishi Electric Corp Output controller for vehicle alternator
CN1721226A (en) * 2004-07-12 2006-01-18 天津大学 Purely electrical automobile host controller based on CAN bus and control method therefor
CN101130342A (en) * 2006-08-24 2008-02-27 马自达汽车株式会社 Control system for hybrid vehicle
CN203705621U (en) * 2014-03-14 2014-07-09 重庆先锋渝州电器有限公司 Metering circuit of residual capacity of battery pack
CN104009519A (en) * 2014-04-30 2014-08-27 湖北一彰科技有限责任公司 Battery management system of micro-electric vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606199A (en) * 2018-12-10 2019-04-12 重庆电信职业学院 It is a kind of to establish electric car fully-automatic intelligent charging system and method
US11186198B2 (en) 2019-05-31 2021-11-30 Ford Global Technologies, Llc Methods and systems for vehicle battery cell failure detection and overcharge protection
CN110829852A (en) * 2019-12-06 2020-02-21 贵州电网有限责任公司 DC power supply open circuit monitoring and output voltage self-healing compensation device
CN112046764A (en) * 2020-09-07 2020-12-08 南京航空航天大学 Rotary wing vertical take-off and landing hybrid power unmanned aerial vehicle and control method thereof
CN112046764B (en) * 2020-09-07 2021-11-05 南京航空航天大学 Rotary wing vertical take-off and landing hybrid power unmanned aerial vehicle and control method thereof
CN113561914A (en) * 2021-07-20 2021-10-29 英博超算(南京)科技有限公司 Car intelligence power box with fault record function
CN115447507A (en) * 2022-09-14 2022-12-09 中国重汽集团济南动力有限公司 State management device and method for low-voltage storage battery
CN115447507B (en) * 2022-09-14 2024-08-13 中国重汽集团济南动力有限公司 State management device and method for low-voltage storage battery

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Application publication date: 20171020