CN106627153B - A kind of batteries of electric automobile multiloop charging system and its operation method - Google Patents
A kind of batteries of electric automobile multiloop charging system and its operation method Download PDFInfo
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- CN106627153B CN106627153B CN201610911078.8A CN201610911078A CN106627153B CN 106627153 B CN106627153 B CN 106627153B CN 201610911078 A CN201610911078 A CN 201610911078A CN 106627153 B CN106627153 B CN 106627153B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 2
- 230000005662 electromechanics Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Classifications
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
-
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
A kind of batteries of electric automobile multiloop charging system, including multiple individual battery cells, cell managing device, multiple insulating barriers, vehicle-mounted motor, temperature sensor and the entire car controller being arranged in power accumulator group assembly box；Multiple insulating barriers are separately positioned between the adjacent independent battery of any two, and the control terminal of the cell managing device is connected with individual battery cells and vehicle-mounted motor respectively, and the control terminal of vehicle-mounted motor is connected with insulating barrier；The signal output end of cell managing device is connected with temperature sensor, and the signal output end of cell managing device is connected with entire car controller.The invention also includes a kind of operation methods of batteries of electric automobile multiloop charging system.The present invention improves the charging rate of electric car, improves work efficiency, and increases the service life of battery.
Description
Technical field
The present invention relates to electric car charge and discharge electro-technical field, specifically a kind of batteries of electric automobile multiloop charging
System and its operation method.
Background technique
Environmental pollution, petroleum reserves is limited and global warming forces people to seek technology in automobile dynamic system field
It breaks through.Motorcar electric technology because its significant effects of energy saving and emission reduction, lower use cost and it is convenient for safeguarding the advantages that
Through entering universal initial stage.But at present many power accumulators there are energy inefficiencies, charging rate of battery compared with
Slowly, the problems such as electric car continual mileage is shorter.Meanwhile the efficient charging method problem of power battery, also annoying electricity always
The universal and application of electrical automobile.Faced with this situation, the charging problems of accumulator of electric car are studied, exploitation is reasonable
Charging system will be of great significance and value.
Summary of the invention
The purpose of the present invention is to provide a kind of batteries of electric automobile multiloop charging system and its operation methods, for solving
The problem of certainly existing electric vehicle charging rate is slow, inefficiency.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of batteries of electric automobile multiloop Charging
System, characterized in that including the multiple individual battery cells, cell managing device, more being arranged in power accumulator group assembly box
A insulating barrier, vehicle-mounted motor, temperature sensor and entire car controller；It is adjacent that multiple insulating barriers are separately positioned on any two
Independent battery between, the control terminal of the cell managing device is connected with individual battery cells and vehicle-mounted motor respectively, vehicle
The control terminal for carrying motor is connected with insulating barrier；The signal output end of cell managing device is connected with temperature sensor, cell tube
The signal output end of reason device is connected with entire car controller.
Further, the cell managing device includes master board and multiple sub- control panels；
The sub- control panel is connected with master board；
The master board includes master singlechip circuit and its peripheral circuit, is collected for receiving each sub- control panel
Electric quantity signal, temperature signal, and give sub- control panel charge and discharge signal；
The sub- control panel includes data acquisition circuit, for acquiring the output voltage, defeated of multiple individual battery cells
Electric current and temperature out；
Sub- single chip circuit and its peripheral circuit, for the collected information of data acquisition circuit to be handled and fed back
To master board；
A/D conversion circuit, for carrying out the data that analog-to-digital conversion is identified at sub- monolithic function to the collected information of data；
And relay circuit, for controlling the start and stop of vehicle-mounted motor, to control the movement of insulating barrier；
The output end of the data acquisition circuit is connected with the input terminal of A/D conversion circuit, the output end of A/D conversion circuit
It is connected with the input terminal of sub- single chip circuit, the control terminal of the sub- single chip circuit is connected with the input terminal of relay circuit,
The output end of relay circuit is connected with vehicle-mounted motor；
The master singlechip circuit is connected with sub- single chip circuit by CAN bus.
Further, the power accumulator group assembly box is a body structure；In the power accumulator group assembly
In box multiple bafflers are equably provided with vertically, multiple are used to hold individual battery cells for body structure to be separated into
Cell；Ventilation opening is provided on each side of power accumulator group assembly box；
The side of power accumulator group assembly box is provided with matrix type charging integrated interface, the integrated interface that charges is by multiple
The charging interface of individual battery cells forms.
Further, the length of the baffler is less than the length of power accumulator group assembly box, baffler and power
There are gaps between the side of battery group assembly box, for insulating barrier to be arranged；It is set respectively in the upper side and lower side of baffler
It is equipped with track groove；Arranged in matrix has through-hole on baffler；
The insulating barrier is slidably connected by track groove and baffler；
The receiving volume that the cell is arranged is greater than the volume of individual battery cells.
Further, quantity with the quantity of individual battery cells, the quantity of cell of the sub- control panel are equal.
A kind of operation method of batteries of electric automobile multiloop charging system, using described in claim 1 to claim 5
A kind of batteries of electric automobile multiloop charging system, characterized in that specifically includes the following steps:
Step 1), sub- control panel acquire the output voltage and node temperature of each individual battery cells；
Step 2), master board handle each sub- collected data of control panel, calculate bus total voltage, bus
Total current, leakage current, overcurrent, judge whether system breaks down；
Step 3), if a failure occurs, master board is alarmed by CAN bus to entire car controller；If no
It breaks down, then carries out step 4) operation；
Step 4), master board estimate entire battery according to the voltage of individual battery cells, electric current and node temperature information
The state-of-charge SOC of group；
If the state-of-charge SOC that step 5), master board estimate is less than the minimum value of the SOC of setting, main control
Plate sends the information for needing to charge to entire car controller, carries out charging operations；
Step 6), master board send charge information to sub- control panel, and sub- control panel controls vehicle-mounted motor, pull insulation every
Plate, so that battery pack is divided into multiple individual battery cells；
Step 7), the integrated interface that charged by matrix type simultaneously charge to multiple individual battery cells；
If the state-of-charge SOC that step 8), master board estimate is greater than or equal to the maximum value of the SOC of setting,
Master board sends the information for stopping charging to entire car controller, carries out stopping charging operations；
Step 9), master board are sent to sub- control panel stops charge information, and sub- control panel controls vehicle-mounted motor, draws again
Insulating barrier is returned, so that multiple individual battery cells reformulate battery pack, is carried out to automobile powered operation.
The beneficial effects of the present invention are:
The present invention plans multiple individual battery cells using power accumulator group assembly box, in any two independence
It is provided with baffler and insulating barrier between battery unit, through-hole is provided on baffler, through-hole and power accumulator group are total
Vent passages are formed at the ventilation hole of box two sides, convenient for heat dissipation.
Two adjacent individual battery cells can be carried out insulated barriers by insulating barrier of the invention, realize battery pack
Multiloop charges when charging, and single circuit power supply when power supply greatly improves charge efficiency.
The present invention carries out modularized design to electric car vehicle electric pond group, and original battery pack is integrated into several independent electricals
Pool unit, each battery unit directly can independently carry out charging operations.When automobile runs, pass through unified battery management system
By all batteries unit according to environment temperature, battery status and vehicle demand, group becomes a bulk supply power output.Into
When row charging, battery pack is reclassified as several individual battery cells by starting insulating barrier by battery management system, is passed through
Independent charging interface carries out docking charging with external recharging apparatus, so that the mode of the single charging interface charging of former automobile be changed
Become multiplex roles while charging, since single individual battery cells capacity is significantly smaller than entire battery pack, passes through multiplex roles
Charging will effectively reduce the electric car whole charging time.
In the production process of battery, since the same size battery of the same batch factory of difference in technique material also can
There is the difference of capacity and internal resistance, this makes the percentage of batteries of battery pack that can reach charge cutoff voltage, battery pack prior to other batteries
Electricity is not completely filled with；Same reason, percentage of batteries can reach electric discharge cut-off electricity prior to other batteries when electric discharge
Pressure, the energy of battery pack are shorter than expected the service life of battery much there is no being fully utilized.Simultaneously because making
The mode to be charged with each unit independent control, therefore the equalizaing charge of integral battery group can be effectively controlled, and avoid because of each battery
Unit inconsistency bring interferes with each other, and effectively promotes battery and charge efficiency.
Battery management system can the data such as electric current, voltage, overcurrent, leakage current, temperature to battery handle, such as
Fruit goes wrong, then can be reported to entire car controller, reminds user of service to handle in time.
Detailed description of the invention
Fig. 1 is functional module connection schematic diagram of the present invention；
Fig. 2 is the schematic perspective view of power accumulator group assembly box of the present invention；
The structural schematic diagram of Fig. 3 baffler of the present invention and insulating barrier；
Fig. 4 invention operation method flow chart；
In figure: 1, power accumulator group assembly box, 11, ventilation opening, 2, charging integrated interface, 3, baffler, 31, track
Slot, 32, through-hole, 4, insulating barrier.
Specific embodiment
A kind of automobile batteries multiloop charging system, including the multiple independent electricals being arranged in power accumulator group assembly box
Pool unit, multiple bafflers, multiple insulating barriers, vehicle-mounted motor and temperature sensor, cell managing device and entire car controller.
As shown in Figure 1, the control terminal of cell managing device is connected with individual battery cells and vehicle-mounted motor respectively, vehicle mounted electric
The control terminal of machine is connected with insulating barrier；The signal output end of cell managing device is connected with temperature sensor, battery management dress
The signal output end set is connected with entire car controller.Cell managing device includes master board and multiple sub- control panels；
The sub- control panel is connected with master board；
The master board includes master singlechip circuit and its peripheral circuit, is collected for receiving each sub- control panel
Electric quantity signal, temperature signal, and give sub- control panel charge and discharge signal；
The sub- control panel includes data acquisition circuit, for acquiring the output voltage, defeated of multiple individual battery cells
Electric current and temperature out；
Sub- single chip circuit and its peripheral circuit, for the collected information of data acquisition circuit to be handled and fed back
To master board；
A/D conversion circuit, for carrying out the data that analog-to-digital conversion is identified at sub- monolithic function to the collected information of data；
And relay circuit, for controlling the start and stop of vehicle-mounted motor, to control the movement of insulating barrier；
The output end of the data acquisition circuit is connected with the input terminal of A/D conversion circuit, the output end of A/D conversion circuit
It is connected with the input terminal of sub- single chip circuit, the control terminal of the sub- single chip circuit is connected with the input terminal of relay circuit,
The output end of relay circuit is connected with vehicle-mounted motor；
The master singlechip circuit is connected with sub- single chip circuit by CAN bus.
As shown in Fig. 2, power accumulator group assembly box 1 is body structure；It is vertical equal in power accumulator group assembly box
It is provided with multiple bafflers 3 evenly, for body structure to be separated into multiple cells for being used to hold individual battery cells；If
The receiving volume for setting the cell is greater than the volume of individual battery cells, convenient for heat dissipation.The length of baffler 3 is stored less than power
The length of battery pack assembly box, there are gaps between baffler 3 and the side of power accumulator group assembly box, for insulation to be arranged
Partition 4.It is provided with ventilation opening 11 on the side of left and right two of power accumulator group assembly box, in power accumulator group assembly box
Front side be provided with matrix type charging integrated interface 2, charging integrated interface be made of the charging interface of multiple individual battery cells.
As shown in figure 3, being respectively arranged with track groove 31 in the upper side and lower side of baffler 3；The arranged in matrix on baffler
There is through-hole 32；Insulating barrier 4 is slidably connected by track groove 31 with baffler.
The quantity of sub- control panel is equal with the quantity of individual battery cells, the quantity of cell.
As shown in figure 4, a kind of operation method of batteries of electric automobile multiloop charging system, utilizes a kind of electric car electricity
Pond multiloop charging system, specifically includes the following steps:
Step 1), sub- control panel acquire the output voltage and node temperature of each individual battery cells；
Step 2), master board handle each sub- collected data of control panel, calculate bus total voltage, bus
Total current, leakage current, overcurrent, judge whether system breaks down；
Step 3), if a failure occurs, master board is alarmed by CAN bus to entire car controller；If no
It breaks down, then carries out step 4) operation；
Step 4), master board estimate entire battery according to the voltage of individual battery cells, electric current and node temperature information
The state-of-charge SOC of group；
If the state-of-charge SOC that step 5), master board estimate is less than the minimum value of the SOC of setting, main control
Plate sends the information for needing to charge to entire car controller, carries out charging operations；
Step 6), master board send charge information to sub- control panel, and sub- control panel controls vehicle-mounted motor, pull insulation every
Plate, so that battery pack is divided into multiple individual battery cells；
Step 7), the integrated interface that charged by matrix type simultaneously charge to multiple individual battery cells；
If the state-of-charge SOC that step 8), master board estimate is greater than or equal to the maximum value of the SOC of setting,
Master board sends the information for stopping charging to entire car controller, carries out stopping charging operations；
Step 9), master board are sent to sub- control panel stops charge information, and sub- control panel controls vehicle-mounted motor, draws again
Insulating barrier is returned, so that multiple individual battery cells reformulate battery pack, is carried out to automobile powered operation.
The method of master board processing data can adopt in a kind of operation method of batteries of electric automobile multiloop charging system
With existing method, details are not described herein again.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, based on the technical solutions of the present invention, those skilled in the art are not needed to make the creative labor and can be done
Various modifications or changes out are still within protection scope of the present invention.
Claims (4)
1. a kind of batteries of electric automobile multiloop charging system, characterized in that including being arranged in power accumulator group assembly box
Multiple individual battery cells, multiple bafflers, multiple insulating barriers, vehicle-mounted motor and temperature sensor, cell managing device
And entire car controller；The power accumulator group assembly box is a body structure；In the power accumulator group assembly box
Multiple bafflers are equably provided with vertically, for body structure to be separated into multiple units for being used to hold individual battery cells
Lattice；The length of the baffler is less than the length of power accumulator group assembly box, baffler and power accumulator group assembly box
Side between there are gaps, for insulating barrier to be arranged；The control terminal of the cell managing device respectively with independent battery
Unit is connected with vehicle-mounted motor, and the control terminal of vehicle-mounted motor is connected with insulating barrier；The signal output end of cell managing device with
Temperature sensor is connected, and the signal output end of cell managing device is connected with entire car controller；The cell managing device packet
Include master board and multiple sub- control panels；The sub- control panel is connected with master board；The master board includes main list
Piece electromechanics road and its peripheral circuit for receiving the collected electric quantity signal of each sub- control panel, temperature signal, and give son control
The signal of plate charge and discharge；The sub- control panel includes data acquisition circuit, for acquiring the output of multiple individual battery cells
Voltage, output electric current and temperature；Sub- single chip circuit and its peripheral circuit, for the collected information of data acquisition circuit into
Row handles and feeds back to master board；A/D conversion circuit, for carrying out analog-to-digital conversion into sub- monolithic to the collected information of data
The data of function identification；And relay circuit, for controlling the start and stop of vehicle-mounted motor, to control the movement of insulating barrier；Institute
The output end for stating data acquisition circuit is connected with the input terminal of A/D conversion circuit, the output end of A/D conversion circuit and sub- single-chip microcontroller
The input terminal of circuit is connected, and the control terminal of the sub- single chip circuit is connected with the input terminal of relay circuit, relay circuit
Output end be connected with vehicle-mounted motor；The master singlechip circuit is connected with sub- single chip circuit by CAN bus.
2. a kind of batteries of electric automobile multiloop charging system according to claim 1, characterized in that in power accumulator
Ventilation opening is provided on the side of left and right two of group assembly box；Matrix type is provided on front side of power accumulator group assembly box to fill
It is electrically integrated interface, charging integrated interface is made of the charging interface of multiple individual battery cells；In the upper side and lower side of baffler
It is respectively arranged with track groove；Arranged in matrix has through-hole on baffler；The insulating barrier is sliding by track groove and baffler
Dynamic connection；The receiving volume that the cell is arranged is greater than the volume of individual battery cells.
3. a kind of batteries of electric automobile multiloop charging system according to claim 1 or 2, characterized in that the sub- control
The quantity of making sheet is equal with the quantity of individual battery cells, the quantity of cell.
4. a kind of operation method of batteries of electric automobile multiloop charging system, any one to claim 3 using claim 1
A kind of batteries of electric automobile multiloop charging system described in, characterized in that specifically includes the following steps:
Step 1), sub- control panel acquire the output voltage and node temperature of each individual battery cells；
Step 2), master board handle each sub- collected data of control panel, and it is always electric to calculate bus total voltage, bus
Stream, leakage current, overcurrent, judge whether system breaks down；
Step 3), if a failure occurs, master board is alarmed by CAN bus to entire car controller；If there is no
Failure then carries out step 4) operation；
Step 4), master board estimate entire battery pack according to the voltage of individual battery cells, electric current and node temperature information
State-of-charge SOC；
If the state-of-charge SOC that step 5), master board estimate be less than setting SOC minimum value, master board to
Entire car controller sends the information for needing to charge, and carries out charging operations；
Step 6), master board send charge information to sub- control panel, and sub- control panel controls vehicle-mounted motor, pull insulating barrier,
So that battery pack is divided into multiple individual battery cells；
Step 7), the integrated interface that charged by matrix type simultaneously charge to multiple individual battery cells；
If the state-of-charge SOC that step 8), master board estimate is greater than or equal to the maximum value of the SOC of setting, master control
Making sheet sends the information for stopping charging to entire car controller, carries out stopping charging operations；
Step 9), master board are sent to sub- control panel stops charge information, and sub- control panel controls vehicle-mounted motor, retracts again absolutely
Edge partition carries out so that multiple individual battery cells reformulate battery pack to automobile powered operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911078.8A CN106627153B (en) | 2016-10-19 | 2016-10-19 | A kind of batteries of electric automobile multiloop charging system and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911078.8A CN106627153B (en) | 2016-10-19 | 2016-10-19 | A kind of batteries of electric automobile multiloop charging system and its operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106627153A CN106627153A (en) | 2017-05-10 |
| CN106627153B true CN106627153B (en) | 2019-04-12 |
Family
ID=58855947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN107139747A (en) * | 2017-05-15 | 2017-09-08 | 南昌大学 | Electric automobile |
| CN108556655A (en) * | 2018-04-01 | 2018-09-21 | 冯秉健 | The vehicle integrated electric control gear of new energy |
| JP7042203B2 (en) * | 2018-08-23 | 2022-03-25 | 本田技研工業株式会社 | Battery module |
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| CN1306675C (en) * | 2002-12-26 | 2007-03-21 | 北京机电研究所 | Equipment for managing accumulator battery of motive power utilized in electric automobile |
| KR101000550B1 (en) * | 2009-11-30 | 2010-12-14 | 정윤이 | Battery pack and active cell balancing battery management system including the same |
| JPWO2011105095A1 (en) * | 2010-02-24 | 2013-06-20 | 三洋電機株式会社 | Battery module, battery system, electric vehicle, moving object, power storage device, power supply device, and electric device |
| US8977510B2 (en) * | 2011-12-15 | 2015-03-10 | Lg Chem, Ltd. | System and method for determining charging and discharging power levels for a battery pack |
| DE102013204527A1 (en) * | 2013-03-15 | 2014-09-18 | Robert Bosch Gmbh | Battery cell device with lithium deposit safety function and method for monitoring a battery cell |
| DE102013205102B4 (en) * | 2013-03-22 | 2018-03-15 | Robert Bosch Gmbh | Detecting the state of an accumulator module |
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