CN204669009U - A kind of electric-vehicle-mounted lithium battery charging system - Google Patents
A kind of electric-vehicle-mounted lithium battery charging system Download PDFInfo
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- CN204669009U CN204669009U CN201520356897.1U CN201520356897U CN204669009U CN 204669009 U CN204669009 U CN 204669009U CN 201520356897 U CN201520356897 U CN 201520356897U CN 204669009 U CN204669009 U CN 204669009U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- 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]
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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
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of electric-vehicle-mounted lithium battery charging system, adopt hypotactic method for designing, system comprises main control module, from control module and AC/DC module; Wherein main control module comprises master controller, charge mode selects module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, power driver module and CAN module two, main power source module; From control module comprise from controller, from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module, from power module.Charging system can reduce the difference of cell capacity in charging process to a great extent, and the hypotactic method for designing of employing is convenient to expand number of batteries, and be applicable to the lithium battery of different size different capabilities, reliability is high, is easy to care and maintenance.
Description
Technical field
The utility model relates to a kind of electric-vehicle-mounted lithium battery charging system, belongs to field of lithium, is applicable to lithium battery vehicle-mounted charge.
Background technology
Lithium battery is the battery that in current all storage batterys, specific energy is the highest, and compared with other battery, lightweight, volume is little, and operating voltage range is adjustable, and when the lithium battery of high-energy-density makes high-pressure work, the single lithium battery number of required series connection will lack more than other battery.
For electric automobile, battery is the energy source of electric automobile, only has battery to possess persistence, stability and fail safe, and the overall performance of electric automobile just can be greatly improved.Maintain the normal capacity of lithium battery and high-effect, need the useful life of the charging system guarantee lithium battery of more accurate, high-intelligentization, not so can cause the irreversible damage of lithium battery.Charging system for electric automobile has non-Vehicular charger and Vehicular charger two kinds, and wherein Vehicular charger has more convenience, more can meet the demand of charging.
The core of lithium battery charging system is that charge mode controls, it is adopt traditional static charge mode that existing market is seen maximum, main employing constant current charge, constant voltage charge, this kind of charge mode does not affect by external condition, but automatically can not regulate according to the state of battery, sometimes need artificial intervention, self-control, charging effect are poor, are difficult to the charge requirement of satisfied different electric automobile lithium battery.Grant number is a kind of electric vehicle lithium battery charger disclosed in the utility model of 204118833, grant number be 203951247 utility model disclose a kind of charging system of electric powercar, application number be 101969145 patent of invention disclose a kind of battery charge controller and method thereof of electric motor car.Study these prior arts, can find, mostly these designs are to carry out according to charger self output state, and seldom with reference to battery capacity and change in voltage, and designed charging system lacks the communication interface with battery management system.
Utility model content
For overcoming the defect of prior art, the utility model provides a kind of electric-vehicle-mounted lithium battery charging system, adopt host-guest architecture, main control module and from control module realize exchanges data in CAN mode, system has the CAN interface of charging system and battery management system.Charging system can in conjunction with the change of voltage, electric current, the multiple parameter of temperature, dynamic change charging method, both can meet the charge requirement of variety classes battery, also be applicable to the lithium charging requirement under different situation, there is energy-conservation, efficient, safe, charging effect fast.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of electric-vehicle-mounted lithium battery charging system, described vehicle-mounted lithium battery charging system is host-guest architecture, comprise main control module, from control module and AC/DC module, described main control module is provided with master controller, charge mode selects module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, power driver module and CAN module two, main power source module; Described from control module be provided with from controller, from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module, from power module; Described main control module and each from control module between adopt the communication mode of CAN to carry out exchanges data, described main control module is interconnected by CAN and battery management system.
As the further improvement to the technical program, described AC/DC module is connected with the high direct voltage acquisition module in main control module by connecting line.
As the further improvement to the technical program, described master controller selects module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, CAN module two to be interconnected respectively by functional pin and charge mode; Described power driver module and charge and discharge control module are interconnected by functional pin; Described main power source module by pin or wire respectively with each model calling in main control module.
As the further improvement to the technical program, described is interconnected from controller respectively with from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module by functional pin; Described is connected from power module respectively with from the modules controlled module by functional pin or wire.
As the further improvement to the technical program, described charge mode selects module, is made up of function key and numerical key.
As the further improvement to the technical program, described Liquid Crystal Module is provided with viewing area, shows supply power voltage, charging current, battery temperature, battery electric quantity, charging interval parameter respectively.
As the further improvement to the technical program, described equalizing charge module, is made up of switch matrix and equalizing charge power supply.As the further improvement to the technical program, described AC/DC module, be connected with 220V alternating current by wire, AC/DC module is provided with full bridge rectifier, bulky capacitor filter circuit, full bridge inverter, high frequency transformer coupling circuit, connects after foregoing circuit through control switch with power brick again.
Parts and the effect thereof of native system are as follows:
Master controller is the core of whole main control module, based on Freescale single-chip microcomputer, to whole power brick electricity estimation, can have the function controlling the charging of whole charging system and start and terminate.
Charge mode selects module, is made up of, is interconnected with master controller by functional pin function key and numerical key, gathers user to the setting of charge mode, charge parameter.
Liquid Crystal Module, is interconnected by functional pin with master controller, has display supply power voltage, charging current, battery temperature, battery electric quantity, charging interval isoparametric function.
Master, is interconnected by functional pin with master controller, for master control provides reference clock, for timing under timing charge mode.
High direct voltage acquisition module, is interconnected by functional pin and wiring with master controller and AC/DC module, respectively for monitoring the stability of total voltage in charging process.
Total current acquisition module, is interconnected by functional pin with master controller, for being captured in charging current in power brick charging process and discharging current.
Charge and discharge control module, is interconnected by functional pin with master controller, by master controller logic control signal through the charging and discharging function of this module realization to power brick entirety.
Power driver module, is connected by lead-in wire with charge and discharge control module, to whole power brick charges after carrying out power amplification to signal.
CAN module two, is interconnected by functional pin with master controller, for completing the communication of charging on-vehicle battery system and vehicle mounted battery management system.
Main power source module, module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, power driver module is selected to be connected with master controller, charge mode respectively, for each module provides working power by the form of functional pin or wiring.
From control module, comprise from controller, from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module, from power module.
From controller, based on Freescale single-chip microcomputer, the collection of monomeric charge battery terminal voltage, temperature, analysis and transmission, according to the balance charge/discharge of the complete battery pair of signal receiving master controller.
From clock module, be interconnected by functional pin with from controller, for providing reference clock from controller, for the discharge and recharge timing of cell.
CAN module one, is interconnected by functional pin with from controller, has the function of carrying out exchanges data with master controller in charging process.
Cell data acquisition module, and be interconnected between controller and cell by functional pin and lead-in wire, the voltage of cell, temperature parameter can be gathered.
Equalizing charge module, is interconnected by functional pin with from controller, is made up of switch matrix and equalizing charge power supply, selects need the battery of equalizing charge and complete charging by diverter switch.
Temperature control module, is interconnected by functional pin with from controller, realizes battery in charge and discharge process from the control of controller to battery temperature, avoids battery because of the generation of the temperature too high security incident caused during charging.
From power module, be connected respectively with from its in module from controller, from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module, for each module provides working power by the form of functional pin or wiring;
AC/DC module, is connected with power brick with 220V voltage respectively by wiring, for lithium battery bag provides charging voltage.
The beneficial effect of the technical program is:
(1) charging system adopt host-guest architecture, main control module and from control module realize exchanges data in CAN mode, system has the CAN interface of charging system and battery management system; The hypotactic method for designing adopted is convenient to expand number of batteries, and be applicable to the lithium battery of different size different capabilities, reliability is high, is easy to care and maintenance.
(2) charging system can in conjunction with the change of voltage, electric current, the multiple parameter of temperature, dynamic change charging method, both the charge requirement of variety classes battery can have been met, also the lithium charging requirement under different situation is applicable to, charging system can reduce the difference of cell capacity in charging process to a great extent, has energy-conservation, efficient, safe, charging effect fast.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is system configuration schematic diagram of the present utility model;
In figure: 1-main control module; 2-is from control module; 3-AC/DC module; 10-master controller; 11-charge mode selects module; 12-Liquid Crystal Module; 13-master; 14-high direct voltage acquisition module; 15-total current acquisition module; 16-charge and discharge control module; 17-power driver module; 18-CAN module two; 19-main power source module; 20-is from controller; 21-is from clock module; 22-CAN module one; 23-cell data acquisition module; 24-equalizing charge module; 25-temperature control module; 26-is from power module.
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model being described further and illustrating, but being not limited to this.
As shown in Figure 1, a kind of electric-vehicle-mounted lithium battery charging system, adopts the charging structure of principal and subordinate's form, comprises main control module 1, from control module 1 and AC/DC module 1.
Main control module comprises master controller 10, charge mode selects module 11, Liquid Crystal Module 12, master 13, high direct voltage acquisition module 14, total current acquisition module 15, charge and discharge control module 16, power driver module 17 and CAN module 2 18, main power source module 19.Charge controller 1, based on Freescale single-chip microcomputer MS9S08DZ60, receives the acquisition parameter of user's parameters and each cell, and carries out the estimation of whole power brick electricity, has the function controlling the charging of whole charging system and start and terminate; Power mode selects module 11, is made up of, is connected with the digital pin of master controller options button, acknowledgement key, cancel key, numerical key 0-9, selects for user and arranges charge mode, charge parameter; Liquid Crystal Module 12, adopts LCD12864 liquid crystal display, with the digital pin of master controller 10 with control pin and be connected, for showing the parameters such as supply power voltage, charging current, battery temperature, battery electric quantity, charging interval; Master 13, adopts DS1306EN clock chip, and with the SPSCK of master controller 1, MOSI, PTB5 pin connects, for master control 1 provides reference clock, time under timing charge mode for chargometer; High direct voltage acquisition module 14, be connected by functional pin and wiring with master controller 1 and AC/DC module, select voltage hall sensor VSM025A, photovoltaic conversion be current signal and nurse one's health the voltage signal for 0-5V by sampling resistor, entering the A/D interface of master controller 1 through signal conditioning circuit; Total current acquisition module 15, adopt current Hall transducer HNC-100LT, the voltage signal that the follow circuit conditioning that the current signal exported by Hall element forms through sampling resistor and amplifier is 0-5V delivers to the A/D interface of master controller 10 after signal conditioning circuit; Described charge and discharge control module 16, is connected the pulse signal producing and be used for charge or discharge with the PWM output pin of master controller 1; Power driver module 17, employing model is the IGBT of BSM20OGB120DNZ is charge-discharge electric power device, selects EXB841 as the driving chip of IGBT, is connected with charge and discharge control module 16 by lead-in wire; CAN module 2 18 adopts ADM3054 chip, is interconnected, for completing the communication of charging on-vehicle battery system and vehicle mounted battery management system with master controller 1 by functional pin; Main power source module 19, select module 11, Liquid Crystal Module 12, master 13, high direct voltage acquisition module 14, total current acquisition module 15, charge and discharge control module 16, power driver module 17 and CAN module 2 18 to be connected with master controller 10, charge mode respectively by functional pin or wiring ,+5V ,+12V ,+15V ,-15V ,+24V operating voltage is provided.
From control module 2, comprise from controller 20, from clock module 21, CAN module 1, cell data acquisition module 23, equalizing charge module 24, temperature control module 25, from power module 26.From controller 20, based on Freescale single-chip microcomputer MS9S08DZ60, the data acquisition of monomeric charge battery, analysis and transmission, according to the balance charge/discharge of the complete battery pair of signal receiving master controller 10; From clock module 21, adopt DS1306EN clock chip, be interconnected by functional pin with from controller 20; CAN module 1, adopts SN65HVD232D chip, is interconnected with the CAN communication pin from controller 20; Cell data acquisition module 23, and be interconnected between controller 20 and cell by functional pin and lead-in wire, gather voltage, the temperature parameter of cell; Balanced 24 charging modules, are made up of switch matrix and equilibrium power supply, select need the cell of equalizing charge and complete charge function by switching; Temperature control module 25, with the switch of the PTD6 pin connection control cooling fan from controller 20; From power module 26, by the form of functional pin or wiring respectively with from controlling its in module from controller 20, be connected from clock module 21, CAN module 1, cell data acquisition module 23, equalizing charge module 24, temperature control module 25 ,+5V, 12V ,+15V ,-15V operating voltage are provided.
AC/DC module 3, be connected with 220V alternating current by wire, be interconnected with full bridge rectifier again, the direct current of about 300V is obtained again by bulky capacitor filtering, then be interconnected with the full bridge inverter be made up of 4 igbts, obtain the high-frequency alternating current that voltage is adjustable, this alternating current is coupled to secondary through the high frequency transformer of high frequency transformer coupling circuit, obtain the very little direct voltage of ripple through full-bridge rectification and inductance capacitor filtering, this voltage connects with power brick after control switch.
Above-mentionedly only further illustrate technology contents of the present utility model with embodiment, so that understand, but do not represent execution mode of the present utility model and be only limitted to this, any technology done according to this practicality extends or recreation, all by protection of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (8)
1. an electric-vehicle-mounted lithium battery charging system, described vehicle-mounted lithium battery charging system is host-guest architecture, comprises main control module, from control module and AC/DC module, it is characterized in that:
Described main control module is provided with master controller, charge mode selects module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, power driver module and CAN module two, main power source module;
Described from control module be provided with from controller, from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module, from power module;
Described main control module and each from control module between adopt the communication mode of CAN to carry out exchanges data, described main control module is interconnected by CAN and battery management system.
2. a kind of electric-vehicle-mounted lithium battery charging system according to claim 1, is characterized in that: described AC/DC module is connected with the high direct voltage acquisition module in main control module by connecting line.
3. a kind of electric-vehicle-mounted lithium battery charging system according to claim 1,, it is characterized in that: described master controller selects module, Liquid Crystal Module, master, high direct voltage acquisition module, total current acquisition module, charge and discharge control module, CAN module two to be interconnected respectively by functional pin and charge mode; Described power driver module and charge and discharge control module are interconnected by functional pin; Described main power source module by pin or wire respectively with each model calling in main control module.
4. a kind of electric-vehicle-mounted lithium battery charging system according to claim 1, is characterized in that: described is interconnected from controller respectively with from clock module, CAN module one, cell data acquisition module, equalizing charge module, temperature control module by functional pin; Described is connected from power module respectively with from the modules controlled module by functional pin or wire.
5. a kind of electric-vehicle-mounted lithium battery charging system according to claim 3, is characterized in that: described charge mode selects module, is made up of function key and numerical key.
6. a kind of electric-vehicle-mounted lithium battery charging system according to claim 3, is characterized in that: described Liquid Crystal Module is provided with viewing area, shows supply power voltage, charging current, battery temperature, battery electric quantity, charging interval parameter respectively.
7. a kind of electric-vehicle-mounted lithium battery charging system according to claim 4, is characterized in that: described equalizing charge module, is made up of switch matrix and equalizing charge power supply.
8. a kind of electric-vehicle-mounted lithium battery charging system according to claim 2, it is characterized in that: described AC/DC module, be connected with 220V alternating current by wire, AC/DC module is provided with full bridge rectifier, bulky capacitor filter circuit, full bridge inverter, high frequency transformer coupling circuit, connects after foregoing circuit through control switch with power brick again.
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| CN201520356897.1U CN204669009U (en) | 2015-05-29 | 2015-05-29 | A kind of electric-vehicle-mounted lithium battery charging system |
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| CN201520356897.1U CN204669009U (en) | 2015-05-29 | 2015-05-29 | A kind of electric-vehicle-mounted lithium battery charging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781048A (en) * | 2016-12-30 | 2017-05-31 | 深圳市盛弘电气股份有限公司 | A kind of multiple gun charging system |
| CN108422885A (en) * | 2018-03-30 | 2018-08-21 | 北京国能电池科技股份有限公司 | Main Control Tank, battery management system and electric vehicle |
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
-
2015
- 2015-05-29 CN CN201520356897.1U patent/CN204669009U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781048A (en) * | 2016-12-30 | 2017-05-31 | 深圳市盛弘电气股份有限公司 | A kind of multiple gun charging system |
| CN106781048B (en) * | 2016-12-30 | 2019-07-05 | 深圳市盛弘电气股份有限公司 | A kind of multiple gun charging system |
| CN108422885A (en) * | 2018-03-30 | 2018-08-21 | 北京国能电池科技股份有限公司 | Main Control Tank, battery management system and electric vehicle |
| CN114475473A (en) * | 2020-10-27 | 2022-05-13 | 许继电源有限公司 | Direct current charging controller based on SPI dual-computer communication |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160529 |