CN108099649A - A kind of lithium ion battery of electric automobile manages system - Google Patents
A kind of lithium ion battery of electric automobile manages system Download PDFInfo
- Publication number
- CN108099649A CN108099649A CN201711344569.XA CN201711344569A CN108099649A CN 108099649 A CN108099649 A CN 108099649A CN 201711344569 A CN201711344569 A CN 201711344569A CN 108099649 A CN108099649 A CN 108099649A
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium ion
- resistance
- voltage
- detection module
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- 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.)
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Classifications
-
- 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]
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium ion battery of electric automobile to manage system, including regulator circuit, voltage detection module, current detection module, protection module, lithium ion battery, electric power detection module, pressure regulator, output detection module and microcontroller.Lithium ion battery of electric automobile management system of the present invention is improved for existing lithium ion battery of electric automobile management system, the detection of charging voltage and charging current has been carried out in live part first, and it is cooperateed with microcontroller, effective monitoring and protection are realized to charging process with reference to relay electronic switch, secondly it is detected also directed to output state, as the variation of lithium ion battery self electric quantity can cause to be output to the variation of load voltage, the design effectively gathers output voltage state, and output voltage is adjusted in real time using electronic pressure controller, ensure that the voltage stabilization for being output to load is uninterrupted.
Description
Technical field
The present invention relates to a kind of battery management systems, are specifically a kind of lithium ion battery of electric automobile management system.
Background technology
China develops new-energy automobile, is to reduce automotive fuel wastage, alleviates fuel oil disparities between supply and demand, reduces tail gas row
It puts, improves atmospheric environment, promote the important measure of automotive engineering progress and optimization and upgrading, while be also automobile industry great-leap-forward hair
Exhibition and the needs for promoting international competitiveness.These American-European-Japanese countries, all consider, state using new-energy automobile as strategic high ground
Family's input strength strengthens the development of industry.
According to prediction industrial research institute《2016-2021 New Energy Sources In China automobile industries market is looked forward to the prospect plans with investment strategy
Analysis report》Data show, China's new-energy automobile volume of production and marketing in 2015 increases by a year-on-year basis point respectively up to 340,000 and 330,000
It Wei not be 3.3 times and 3.4 times.China's new-energy automobile sales volume surmounts the U.S. for the first time, becomes global first big new-energy automobile market.
In January, 2016, China's new-energy automobile produce 1.61 ten thousand, increase by 144% on a year-on-year basis.
New-energy automobile volume of production and marketing is beyond market expectations, this had both had benefited from center and the policy of local government promotes,
Have benefited from the transformation of car owner's consumption idea and the effort of Automobile Enterprises.
China's new-energy automobile in 2016 still needs to break away from policy dependence, strengthens skill while continuing to keep high speed development
Art is researched and developed, it is contemplated that annual sales volume is expected to surpass 600,000.
China orthodox car field compare with foreign countries it is also relatively backward, but in terms of new-energy automobile, we and prosperity state
Family be station on same starting line, saying it is more be " bend is overtaken other vehicles ", we have an opportunity new-energy automobile field with west
Square developed country innovates in the level of a balance.
Existing electric vehicle is in terms of mainly existing problem is that power management, power management include Charge Management and
Electric discharge management, the prior art can not carry out in real time effectively accurately monitoring to being charged and discharged state, can not be to abnormal electricity
Source charging and discharging state is accurately controlled, and control mode more falls behind, and reaction speed is slower, so as to cause electric vehicle
Using there are some potential safety problems, therefore hinder the development of electric vehicle.
The content of the invention
It is an object of the invention to provide a kind of lithium ion battery of electric automobile to manage system, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of lithium ion battery of electric automobile manages system, including regulator circuit, voltage detection module, current detection module, guarantor
Protect module, lithium ion battery, electric power detection module, pressure regulator, output detection module and microcontroller, the voltage of the regulator circuit
Input terminal connects charging pile, the voltage output end connection protection module of regulator circuit, and protection module is also connected with lithium ion battery, lithium
The voltage output end of ion battery is also connected with the voltage input end of pressure regulator, the voltage output end connection load of pressure regulator.
Preferred embodiment as the present invention：Voltage detection module and electricity are connected between the regulator circuit and protection module
The signal output part of stream detection module, the voltage detection module and current detection module is all connected with microcontroller.
Preferred embodiment as the present invention：Output detection module is also associated between the pressure regulator and load, it is described defeated
Go out the signal output part connection microcontroller of detection module.
Preferred embodiment as the present invention：The microcontroller is also respectively connected with regulator circuit, protection module, pressure regulator and vehicle
Carry information system.
Preferred embodiment as the present invention：The voltage detection module includes diode D1, resistance R1, resistance R2 and optocoupler
Cathode, capacitance C1, the electricity of the anode connection diode D2 of cathode connection the power supply VCC, diode D1 of clutch IC1, diode D1
The foot 3 for holding C2, resistance R2, the foot 4 of photo-coupler IC1 and signal output part OUT, photo-coupler IC1 connects resistance R1, resistance R2
The other end of other end connection capacitance C1, the other end of capacitance C2 and anode and the ground connection of diode D2, resistance R1's is another
The foot 1 of the other end connection photo-coupler IC1 of end connection resistance R3, resistance R4 and power supply VCC, resistance R3, photo-coupler IC1's
Foot 2 connects the cathode of the other end of resistance R4, capacitance C3 and three end adjustable reference source Q1, the other end connection resistance of capacitance C1
Other end connection resistance R6, the resistance R7 of R5, resistance R5 and the reference pole of three end adjustable reference source Q1, three end adjustable reference source Q1
Anode connection resistance R7 and be grounded, the other end connection signal input part IN of resistance R6, the model of photo-coupler IC1
4N25。
Preferred embodiment as the present invention：The model AT89C52 of the microcontroller.
Preferred embodiment as the present invention：The protection module is relay electronic switch.
Preferred embodiment as the present invention：The current detection module uses current transformer.
Compared with prior art, the beneficial effects of the invention are as follows：Lithium ion battery of electric automobile of the present invention manages system pin
Existing lithium ion battery of electric automobile is improved, has carried out the inspection of charging voltage and charging current in live part first
It surveys, and is cooperateed with microcontroller, realize effective monitoring and protection to charging process with reference to relay electronic switch, secondly also
It is detected for output state, as the variation of lithium ion battery self electric quantity can cause to be output to the variation of load voltage,
The design effectively gathers output voltage state, and output voltage is adjusted in real time using electronic pressure controller, it is ensured that is output to
The voltage stabilization of load is uninterrupted, while the microcontroller in the system is also connected with inter-vehicle information system, can be by electronic vapour
Charging voltage, charging current, output voltage, information about power in vehicle lithium ion battery charging process etc., which are intuitively fed back, is given to vehicle
Information carrying ceases internal system, user is allowed intuitively to check each item data, therefore its is powerful, degree of intelligence is high, improves electricity
The service life of electrical automobile.
Description of the drawings
Fig. 1 is the circuit diagram that lithium ion battery of electric automobile manages system.
Fig. 2 is the circuit diagram of voltage detection module.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Please refer to Fig.1-2, a kind of lithium ion battery of electric automobile manages system, including regulator circuit, voltage detection module,
Current detection module, protection module, lithium ion battery, electric power detection module, pressure regulator, output detection module and microcontroller, institute
The voltage input end connection charging pile of regulator circuit is stated, the voltage output end connection protection module of regulator circuit, protection module is also
Lithium ion battery is connected, the voltage output end of lithium ion battery is also connected with the voltage input end of pressure regulator, and the voltage of pressure regulator is defeated
Outlet connection load.
Preferred embodiment as the present invention：Voltage detection module and electricity are connected between the regulator circuit and protection module
The signal output part of stream detection module, the voltage detection module and current detection module is all connected with microcontroller.
Preferred embodiment as the present invention：Output detection module is also associated between the pressure regulator and load, it is described defeated
Go out the signal output part connection microcontroller of detection module.
Preferred embodiment as the present invention：The microcontroller is also respectively connected with regulator circuit, protection module, pressure regulator and vehicle
Carry information system.
Preferred embodiment as the present invention：The voltage detection module includes diode D1, resistance R1, resistance R2 and optocoupler
Cathode, capacitance C1, the electricity of the anode connection diode D2 of cathode connection the power supply VCC, diode D1 of clutch IC1, diode D1
The foot 3 for holding C2, resistance R2, the foot 4 of photo-coupler IC1 and signal output part OUT, photo-coupler IC1 connects resistance R1, resistance R2
The other end of other end connection capacitance C1, the other end of capacitance C2 and anode and the ground connection of diode D2, resistance R1's is another
The foot 1 of the other end connection photo-coupler IC1 of end connection resistance R3, resistance R4 and power supply VCC, resistance R3, photo-coupler IC1's
Foot 2 connects the cathode of the other end of resistance R4, capacitance C3 and three end adjustable reference source Q1, the other end connection resistance of capacitance C1
Other end connection resistance R6, the resistance R7 of R5, resistance R5 and the reference pole of three end adjustable reference source Q1, three end adjustable reference source Q1
Anode connection resistance R7 and be grounded, the other end connection signal input part IN of resistance R6, the model of photo-coupler IC1
4N25。
The model AT89C52 of microcontroller.Protection module is relay electronic switch.Current detection module is mutual using electric current
Sensor.
The present invention operation principle be：Lithium ion battery of electric automobile management system of the present invention is directed to existing electric vehicle
Lithium ion battery is improved, and has carried out the detection of charging voltage and charging current in live part first, this process is by voltage
Detection module and current detection module realization, wherein, voltage detection module is as shown in Fig. 2, by three terminal regulator Q1 and photoelectricity coupling
The cooperation asked of clutch IC1 is formed.Q1 connects with the LED of IC1 primary sides, and the electric current that Q1 cathodes flow through is exactly photoelectrical coupler
The electric current of light emitting diode inside IC1.The partial pressure net that the voltage inputted from IN is formed via resistance R5, resistance R6 and resistance R7
Reference voltage is formed after network compared with the 2.5V reference voltages in three terminal regulator Q1, on the cathode of three terminal regulator Q1
Error voltage is formed, the operating current of the light emitting diode inside photoelectrical coupler IC1 is made to change, then will be become by optocoupler
The current signal of change is converted to voltage signal and makes a gift to someone output terminal OUT, and output terminal OUT is with regard to output voltage signal, the data collected
Be sent to microcontroller, on the one hand microcontroller transmits a signal to inter-vehicle information system, on the other hand with microcontroller storage inside
Signal is compared, and alarm signal is sent if running into abnormal conditions to inter-vehicle information system, while controls regulator circuit or guarantor
Module is protected, adjust charging voltage or disconnects charge circuit, achievees the purpose that charge protection, is cooperateed with microcontroller, with reference to relay
Device electronic switch realizes charging process effective monitoring and protection, is secondly detected also directed to output state, with lithium
The variation of ion battery self electric quantity can cause to be output to the variation of load voltage, and system is effectively gathered by exporting detection module
Output voltage state, feeds back to microcontroller, and microcontroller is changed the numerical value of discharge voltage by pressure regulator, realized to discharge voltage
Real-time adjusting, it is ensured that be output to that the voltage stabilization of load is uninterrupted, the electricity letter of electric power detection module acquisition lithium ion battery
It ceases and is transferred to microcontroller, microcontroller is intuitively shown by inter-vehicle information system, microcontroller and on-vehicle information in the system
System is connected, can by lithium ion battery of electric automobile charging process charging voltage, charging current, output voltage, electricity
Intuitively feedback is given to system inside onboard information to amount information etc., and user is allowed intuitively to check each item data, therefore its function
It is powerful, degree of intelligence is high, improve the service life of electric vehicle.
Claims (8)
1. a kind of lithium ion battery of electric automobile manages system, including regulator circuit, voltage detection module, current detection module,
Protection module, lithium ion battery, electric power detection module, pressure regulator, output detection module and microcontroller, which is characterized in that described
The voltage input end connection charging pile of regulator circuit, the voltage output end connection protection module of regulator circuit, protection module also connect
Lithium ion battery is connect, the voltage output end of lithium ion battery is also connected with the voltage input end of pressure regulator, the voltage output of pressure regulator
End connection load.
A kind of 2. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the voltage stabilizing electricity
Voltage detection module and current detection module, the voltage detection module and current detecting mould are connected between road and protection module
The signal output part of block is all connected with microcontroller.
A kind of 3. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the pressure regulator
Output detection module, the signal output part connection microcontroller of the output detection module are also associated between load.
A kind of 4. lithium ion battery of electric automobile management system according to claim 2, which is characterized in that the microcontroller
It is also respectively connected with regulator circuit, protection module, pressure regulator and inter-vehicle information system.
A kind of 5. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the voltage inspection
Surveying module includes diode D1, resistance R1, resistance R2 and photo-coupler IC1, the cathode connection power supply VCC of diode D1, two poles
Cathode, capacitance C1, capacitance C2, resistance R2, the foot 4 of photo-coupler IC1 and the signal output of the anode connection diode D2 of pipe D1
Hold OUT, the foot 3 of photo-coupler IC1 connects resistance R1, the other end of the other end connection capacitance C1 of resistance R2, capacitance C2 it is another
The anode of one end and diode D2 and ground connection, other end connection resistance R3, resistance R4 and the power supply VCC of resistance R1, resistance R3's
The foot 1 of other end connection photo-coupler IC1, the other end, capacitance C3 and three ends of the connection resistance of foot 2 R4 of photo-coupler IC1 can
Adjust the cathode of a reference source Q1, other end connection resistance R6, the resistance R7 and three of the other end connection resistance R5, resistance R5 of capacitance C1
The reference pole of adjustable reference source Q1 is held, the anode connection resistance R7 of three end adjustable reference source Q1 is simultaneously grounded, the other end of resistance R6
Connect signal input part IN, the model 4N25 of photo-coupler IC1.
A kind of 6. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the microcontroller
Model AT89C52.
A kind of 7. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the protection mould
Block is relay electronic switch.
A kind of 8. lithium ion battery of electric automobile management system according to claim 1, which is characterized in that the electric current inspection
It surveys module and uses current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344569.XA CN108099649A (en) | 2017-12-15 | 2017-12-15 | A kind of lithium ion battery of electric automobile manages system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344569.XA CN108099649A (en) | 2017-12-15 | 2017-12-15 | A kind of lithium ion battery of electric automobile manages system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108099649A true CN108099649A (en) | 2018-06-01 |
Family
ID=62216618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711344569.XA Pending CN108099649A (en) | 2017-12-15 | 2017-12-15 | A kind of lithium ion battery of electric automobile manages system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099649A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919141A (en) * | 2018-06-29 | 2018-11-30 | 天津职业技术师范大学 | A kind of electric car power supply monitoring system |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201844888U (en) * | 2010-11-03 | 2011-05-25 | 赵京磊 | Distributed temperature measuring device for power battery of electric automobile |
| CN104094128A (en) * | 2012-01-30 | 2014-10-08 | 魁北克水电公司 | Protected system for controlling power transactions for an electric vehicle |
| CN104767255A (en) * | 2015-05-06 | 2015-07-08 | 焦志涛 | Battery equalization device |
| CN205229291U (en) * | 2015-12-23 | 2016-05-11 | 胡晓莉 | Voltage signal collection system |
-
2017
- 2017-12-15 CN CN201711344569.XA patent/CN108099649A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201844888U (en) * | 2010-11-03 | 2011-05-25 | 赵京磊 | Distributed temperature measuring device for power battery of electric automobile |
| CN104094128A (en) * | 2012-01-30 | 2014-10-08 | 魁北克水电公司 | Protected system for controlling power transactions for an electric vehicle |
| CN104767255A (en) * | 2015-05-06 | 2015-07-08 | 焦志涛 | Battery equalization device |
| CN205229291U (en) * | 2015-12-23 | 2016-05-11 | 胡晓莉 | Voltage signal collection system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919141A (en) * | 2018-06-29 | 2018-11-30 | 天津职业技术师范大学 | A kind of electric car power supply monitoring system |
| CN109572454A (en) * | 2018-10-17 | 2019-04-05 | 国网浙江省电力有限公司杭州供电公司 | A kind of electric car Intelligent charging station charging system |
| CN109572454B (en) * | 2018-10-17 | 2021-04-06 | 国网浙江省电力有限公司杭州供电公司 | Charging system of intelligent charging station for electric automobile |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |
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