CN107086628A - It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group - Google Patents
It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group Download PDFInfo
- Publication number
- CN107086628A CN107086628A CN201710364448.5A CN201710364448A CN107086628A CN 107086628 A CN107086628 A CN 107086628A CN 201710364448 A CN201710364448 A CN 201710364448A CN 107086628 A CN107086628 A CN 107086628A
- Authority
- CN
- China
- Prior art keywords
- microcontroller
- module
- detection module
- lithium battery
- electric power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- 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
- H02J7/00304—Overcurrent 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
System is protected by light-coupled isolation software and hardware cooperating novel lithium battery group the invention discloses one kind, including microcontroller and electric power detection module, the data terminal of the microcontroller is connected with the control port of electric power detection module, the AD collection pins of the microcontroller also electrically connect lithium battery group, the output end of the microcontroller is connected with battery privacy protection chip, the output end of the microcontroller is also connected by its internal CAN with computer, the output end of the microcontroller is also associated with human-computer interaction module, the input of the electric power detection module also electrically connect Hall current detection module, battery voltage is gathered using the technology of light-coupled isolation, while accurate acquisition battery information, ensure system worked well operation, software detection battery status is realized by the thinking of software and hardware combining, software and hardware mating protection lithium electricity group charging/discharging function.
Description
Technical field
It is specially that one kind passes through light-coupled isolation software and hardware cooperating the present invention relates to lithium electricity group protection systems technology field
Novel lithium battery group protects system.
Background technology
In the severe change in face of global climate, pure electric automobile turns into the Main way of automobile industry future development, and
The principal element of influence Development of Electric Vehicles is the lithium battery of its power source.It is safe and stable, normal in order to ensure electric automobile
Operation is, it is necessary to carry out necessary control to battery and manage the performance for allowing it to keep good and extend its use longevity
Life.So, it is rationally very important to electric automobile using battery.However, obtaining battery dump energy accurately and in time is
The main aspect for being controlled and managing to battery.Because the number of battery dump energy is directly reflected residing for battery
State, the continual mileage of electric automobile can be predicted by it, it is to avoid the super-charge super-discharge of battery, between balancing battery performance not
Uniformity, so that the safe and stable operation of electric automobile is ensure that, but existing lithium electricity group protection technique, it is substantially all use
The processing scheme of soft or hard separation, when so handling design simplicity but there is hardware circuit detection signal error, BMS
System can not make corresponding misarrangement prompting and processing.
The content of the invention
To achieve the above object, the present invention provides following technical scheme：One kind passes through light-coupled isolation software and hardware cooperating
Novel lithium battery group protects system, including microcontroller, and the power module is powered directly to microcontroller, the microcontroller
Data terminal is connected with the control port of electric power detection module, and the AD collection pins of the microcontroller also electrically connect lithium
Battery pack, the power end of the microcontroller electrically connect power module, output end and the special guarantor of battery of the microcontroller
Shield chip is connected, and the output end of the microcontroller is also connected by its internal CAN with computer, described
The output end of microcontroller is also associated with human-computer interaction module, the human-computer interaction module be internally provided with OLED liquid crystal screen and
Keyboard, the input of the electric power detection module also electrically connect Hall current detection module, the electric power detection module it is defeated
Go out end with LED display module to be connected.
As a kind of preferred technical scheme of the present invention, the periphery of the electric power detection module provided with voltage conversion circuit and
Chip temperature detects circuit.
As a kind of preferred technical scheme of the present invention, NBCZX7-500 direct currents are provided with the Hall current detection module
Hall sensor and battery discharge current detection circuit, the input connection lithium battery of the battery discharge current detection circuit
Group, the output end connection direct current Hall sensor of battery discharge current detection circuit, the direct current Hall sensor it is defeated
Go out the signal input part of end connection electric power detection module.
As a kind of preferred technical scheme of the present invention, the input of the microcontroller is also associated with external temperature detection
Module.
Compared with prior art, the beneficial effects of the invention are as follows：Light-coupled isolation software and hardware cooperating novel lithium should be passed through
Electricity group protection system, is provided with microcontroller, and microcontroller is used as System on Chip/SoC, profit using MKL26Z256VLL4 single-chip microcomputers
DS2788 is coordinated to coordinate special Li battery protection IC as System on Chip/SoC and its peripheral circuit with MKL26Z256VLL4 single-chip microcomputers
7276 software and hardware combining electric quantity of lithium battery management system；Battery voltage, accurate acquisition are gathered using the technology of light-coupled isolation
While battery information, it is ensured that system worked well is run, and software detection battery shape is realized by the thinking of software and hardware combining
State, software and hardware mating protection lithium electricity group charging/discharging function.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is electric power detection module connection diagram of the present invention；
Fig. 3 is electric power detection module circuit diagram of the present invention.
In figure：1- microcontrollers；2- power modules；3- electric power detection modules；4- lithium battery groups；5- external temperatures detect mould
Block；6- battery privacy protection chips；7-CAN communication modules；8- computers；9-OLED liquid crystal displays；10- human-computer interaction modules；11-
Keyboard；12- voltage conversion circuits；13- chip temperatures detect circuit；14- Hall current detection modules；15- current detection circuits；
16- direct current Hall sensors；17-LED display modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：
Fig. 1 to Fig. 3 is referred to, the present invention provides a kind of technical scheme：One kind passes through light-coupled isolation software and hardware cooperating
Novel lithium battery group protects system, including microcontroller 1, and the microcontroller 1 uses main control chip MKL26Z256VLL4 single-chip microcomputers
As System on Chip/SoC, the power module 2 is powered directly to microcontroller 1, the data terminal and electric power detection of the microcontroller 1
The control port of module 3 is connected, and the AD collection pins inside the microcontroller 1 also electrically connect lithium battery group 4, described micro-
The power end of controller 1 electrically connect power module 2, and the output end of the microcontroller 1 is connected with battery privacy protection chip 6
Connect, the output end of the microcontroller 1 is also connected by its internal CAN 7 with computer 8, the computer 8
It is connected on one-chip computer module and is used for reception system detection information and preserves information, query history information, the microcontroller 1
Output end is also associated with human-computer interaction module 10, and the human-computer interaction module 10 is internally provided with OLED liquid crystal screen 9 and keyboard
11, by controlling OLED liquid crystal screen 9 and keyboard 11 to be used for display information, input instruction, the input of the electric power detection module 3
Hall current detection module 14 is also electrically connect, the output end of the electric power detection module 3 is connected with LED display module 17.
Preferably, the periphery of the electric power detection module 3 is provided with voltage conversion circuit 12 and chip temperature detection circuit
13；Provided with NBCZX7-500 direct currents Hall sensor 16 and battery discharge current detection electricity in the Hall current detection module 14
Road 15, the input connection lithium battery group 4 of the battery discharge current detection circuit 15, the battery discharge current detects circuit
15 output end connection direct current Hall sensor 16, the output end connection electric power detection module 3 of the direct current Hall sensor 16
Signal input part；The input of the microcontroller 1 is also associated with external temperature detection module 5, the external temperature detection
Module 5, which is connected on one-chip computer module, to be used for detecting external temperature.
The battery privacy protection chip 6 uses 7276 series of processes chips, when appointing inside battery privacy protection chip 6
Start when one monomer voltage is higher than preset voltage value and overcharge protection, with locking and unblock；When any monomer voltage is less than default
Start Cross prevention during magnitude of voltage, with locking and unblock；Start overcurrent protection when discharge current is higher than pre-set current value, it is attached
There is locking and unlock；The parameters such as real-time voltage, electric current, SOC, temperature are sent to outside accepting device；Switched by external light current
Whether control battery pack has output；The system dormancy when outside connected switch disconnects；Connect charger when, no matter external controlling switch
It can not discharge but can communicate in which kind of state；Read when duty history record built in system is for needing after sale etc., to understand
The history service condition of battery pack.
Specifically used mode and advantage：System, bag should be protected by light-coupled isolation software and hardware cooperating novel lithium battery group
Main control chip MKL26Z256VLL4 single-chip microcomputers are included as System on Chip/SoC, electric power detection module is selected in electric power detection module
DS2788 chips, the periphery of DS2788 chips is provided with voltage conversion circuit and chip temperature detection circuit；Hall current detects mould
Block, one-chip computer module, LED display module and power module, DS2788 electric power detection modules and the connection of Hall current detection module
It is used for detecting the electricity and discharge current of lithium battery, the signal output part connection of Hall current detection module on lithium battery
The input of DS2788 modules, DS2788 electric power detection modules connection one-chip computer module is used for exporting detection data to single-chip microcomputer mould
Block, LED display module, which is connected to, is used for the electricity current data for showing lithium battery, power module connection management in DS2788 modules
Each electrical module in system provides electric energy and supported, and support MKL26Z256VLL4 single-chip microcomputers as in System on Chip/SoC
CAN communication function realize real-time collection for system charge information and warning message and the function of communication with the outside world, utilize
MKL26Z256VLL4 single-chip microcomputers coordinate DS2788 to coordinate special Li battery protection IC as System on Chip/SoC and its peripheral circuit
7276 software and hardware combining electric quantity of lithium battery management system；Battery voltage, accurate acquisition are gathered using the technology of light-coupled isolation
While battery information, it is ensured that system worked well is run, and software detection battery shape is realized by the thinking of software and hardware combining
State, software and hardware mating protection lithium electricity group charging/discharging function.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Claims (5)
1. a kind of protect system by light-coupled isolation software and hardware cooperating novel lithium battery group, it is characterised in that：Including microcontroller
Device (1), the power module (2) is powered directly to microcontroller (1), the data terminal and electric power detection of the microcontroller (1)
The control port of module (3) is connected, and the internal AD collection pins of the microcontroller (1) also electrically connect lithium battery group (4),
The power end of the microcontroller (1) electrically connect power module (2), and the output end and battery of the microcontroller (1) are special
Protection chip (6) is connected, and the output end of the microcontroller (1) also passes through its internal CAN (7) and computer
(8) it is connected, the output end of the microcontroller (1) is also associated with human-computer interaction module (10), the human-computer interaction module
(10) be internally provided with OLED liquid crystal screen (9) and keyboard (11), the input of the electric power detection module (3) also electrically connect
Hall current detection module (14), the output end of the electric power detection module (3) is connected with LED display module (17).
2. one kind according to claim 1 protects system by light-coupled isolation software and hardware cooperating novel lithium battery group, its
It is characterised by：The periphery of the electric power detection module (3) is provided with voltage conversion circuit (12) and chip temperature detection circuit (13).
3. one kind according to claim 1 protects system by light-coupled isolation software and hardware cooperating novel lithium battery group, its
It is characterised by：NBCZX7-500 direct currents Hall sensor (16) and battery discharge are provided with the Hall current detection module (14)
Current detection circuit (15), the input connection lithium battery group (4) of the battery discharge current detection circuit (15), the battery
Discharge current testing circuit (15) output end connection direct current Hall sensor (16), the direct current Hall sensor (16) it is defeated
Go out the signal input part of end connection electric power detection module (3).
4. one kind according to claim 1 protects system by light-coupled isolation software and hardware cooperating novel lithium battery group, its
It is characterised by：The input of the microcontroller (1) is also associated with external temperature detection module (5).
5. one kind according to claim 1 protects system by light-coupled isolation software and hardware cooperating novel lithium battery group, its
It is characterised by：The microcontroller (1) is used as System on Chip/SoC using main control chip MKL26Z256VLL4 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364448.5A CN107086628A (en) | 2017-05-22 | 2017-05-22 | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364448.5A CN107086628A (en) | 2017-05-22 | 2017-05-22 | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107086628A true CN107086628A (en) | 2017-08-22 |
Family
ID=59608445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710364448.5A Pending CN107086628A (en) | 2017-05-22 | 2017-05-22 | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107086628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008357A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳市菱奇半导体有限公司 | Battery protection controller and battery charging and discharging protection circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427256A (en) * | 2011-10-28 | 2012-04-25 | 山东大学 | Lithium battery pack management system of electric automobile |
| KR20150048038A (en) * | 2013-10-25 | 2015-05-06 | 주식회사 엘지화학 | Battery management system sending 2nd protection and dignosis signal using fewer isolation devices |
| CN205246835U (en) * | 2015-12-18 | 2016-05-18 | 安徽师范大学 | Lithium battery power management system based on DS2788 |
| CN205985239U (en) * | 2016-05-06 | 2017-02-22 | 陕西天益教育科技有限公司 | Battery management system |
| CN106684476A (en) * | 2017-02-22 | 2017-05-17 | 安徽师范大学 | Lithium battery management system |
| CN206908325U (en) * | 2017-05-22 | 2018-01-19 | 安徽师范大学 | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group |
-
2017
- 2017-05-22 CN CN201710364448.5A patent/CN107086628A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427256A (en) * | 2011-10-28 | 2012-04-25 | 山东大学 | Lithium battery pack management system of electric automobile |
| KR20150048038A (en) * | 2013-10-25 | 2015-05-06 | 주식회사 엘지화학 | Battery management system sending 2nd protection and dignosis signal using fewer isolation devices |
| CN205246835U (en) * | 2015-12-18 | 2016-05-18 | 安徽师范大学 | Lithium battery power management system based on DS2788 |
| CN205985239U (en) * | 2016-05-06 | 2017-02-22 | 陕西天益教育科技有限公司 | Battery management system |
| CN106684476A (en) * | 2017-02-22 | 2017-05-17 | 安徽师范大学 | Lithium battery management system |
| CN206908325U (en) * | 2017-05-22 | 2018-01-19 | 安徽师范大学 | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008357A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳市菱奇半导体有限公司 | Battery protection controller and battery charging and discharging protection circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102653263B (en) | Electric automobile power battery management system and method | |
| CN102375125B (en) | Intelligent electromobile battery detector | |
| CN202917603U (en) | Power battery module | |
| CN102315492A (en) | Power battery pack maintenance device and working method thereof | |
| CN104659866A (en) | Rechargeable battery temperature detection method, power management device and electronic system | |
| CN103171451B (en) | Battery management system based on co-processor and solid-state relay | |
| CN106394300A (en) | Power management system | |
| CN105490359A (en) | Power supply management apparatus for electric vehicle | |
| CN202260564U (en) | Electromobile battery management system for measuring single voltage of battery group on basis of switching | |
| CN206908325U (en) | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group | |
| CN102147449A (en) | Ferric phosphate lithium battery detection processing method and device | |
| CN202041629U (en) | Cell box acquisition module used in cell management system in conversion station | |
| CN206834282U (en) | A kind of cell management system of electric automobile | |
| CN206790138U (en) | A kind of portable power source | |
| CN103762623B (en) | A kind of lithium battery management system integrated circuit | |
| CN107086628A (en) | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group | |
| CN103138316A (en) | Electric car charger | |
| CN107284283A (en) | BMS devices for low-speed electronic car | |
| CN201608252U (en) | 48-V lithium iron phosphate battery management device | |
| CN101123364A (en) | Over charging/discharging protection circuit for charging/discharging system of multiple serial battery | |
| CN203536994U (en) | Vehicle-mounted uninterruptible power supply storage battery control and management device | |
| CN102555828A (en) | Battery management system of electric automobile | |
| CN205666652U (en) | Electric automobile lead -acid batteries's management system | |
| CN205453253U (en) | Electric automobile power supply management device | |
| CN203278320U (en) | Combined rack lithium power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |