CN109466376A - A kind of mine locomotive lithium battery startup power supply battery management system - Google Patents
A kind of mine locomotive lithium battery startup power supply battery management system Download PDFInfo
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- CN109466376A CN109466376A CN201910006019.XA CN201910006019A CN109466376A CN 109466376 A CN109466376 A CN 109466376A CN 201910006019 A CN201910006019 A CN 201910006019A CN 109466376 A CN109466376 A CN 109466376A
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- Prior art keywords
- power supply
- circuit
- battery
- lithium battery
- startup power
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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
- 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
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of mine locomotive lithium battery startup power supply battery management systems.Mine locomotive lithium battery startup power supply battery management system can be to one group of (8 section 3.2V, the battery pack of 100Ah single lithium battery composition) mine locomotive lithium battery power supply is managed, system supports vehicle-mounted CAN bus communication, it can external serial communication LCD display, has lithium battery group state, input current, output voltage, export electric current, each single battery temperature of battery pack, the voltage of each single battery of battery pack, battery pack charging, discharge condition and electric current, residual capacity (SOC), it overcharges, over-discharge, the functions such as the status informations such as short circuit and overtemperature alarm, it can be used for the lithium battery management of mine locomotive lithium battery startup power supply.
Description
Technical field
The present invention relates to a kind of mine locomotive lithium battery startup power supply battery management systems.
Background technique
Mine-used trackless rubber wheel vehicle is a kind of coal mine roadway transport vehicle flexibly light, security risk is few, cheap, starting
Power supply provides vehicle launch power supply and mains lighting supply for trackless rubber-tyred vehicle, is the key equipment of vehicle.GB3836.2-2010
Clearly forbid " electricity may being discharged in normal use in " explosive atmosphere part 2: the equipment protected by flameproof enclosure " d " "
The battery of solution gas " (lead-acid battery) uses in flameproof enclosure, and market common plumbic acid vehicle launch power supply future will be banned
It is only used in underground coal mine, mining lithium battery locomotive startup power supply is the unique selection of mine locomotive startup power supply at that time.It is mining
Locomotive lithium battery startup power supply management system is for monitoring the parameters such as the voltage of lithium ion battery, electric current, temperature in startup power supply
It is real, do not have the charge and discharge for cutting off battery under discharge scenario in time to battery, avoid battery because overcharge, overcurrent the problems such as generation
Safety problem, while in order to extend battery, management system guarantees that each cell capacity of battery pack becomes by equilibrium
To consistent, extension battery life, it is ensured that power supply long-term and effective operation.
Summary of the invention
Technical problem solved by the invention is to provide a kind of mine locomotive lithium battery startup power supply management system, realize
Management to one group of 8 section, 100Ah Li-ion batteries piles.
In order to solve the above-mentioned technical problem, the present invention discloses a kind of mine locomotive lithium battery startup power supply battery management system
System comprising peripheral interface circuit, cpu system circuit, voltage acquisition balance module circuit, temperature sensing circuit, current detecting
Circuit and CAN module circuit；
The peripheral interface circuit connects for providing LCD Interface, short-circuit detecting interface, charge and discharge control, JTAG
Mouth, UART debugging interface and power supply interface.
Further, the cpu system circuit includes STM32F107 single-chip microcontroller one, crystal oscillating circuit 2, filter capacitor
Four, stabilizing inducatnce two, abnormal protection and warning device, real-time clock；
The STM32F107 single-chip microcontroller is by 3.3V DC-voltage supply；
The crystal oscillating circuit includes 32.768KHz crystal oscillating circuit and 25MHz crystal oscillating circuit；
The 32.768KHz crystal oscillating circuit is used to provide real-time clock signal, the 25MHz crystal oscillating circuit to CPU
For providing piece external system clock signal to CPU；
The real-time clock includes 3.3V button cell and battery holder, is used for the real-time of STM32F107 single-chip microcontroller
Clock module power supply.
Further, the voltage acquisition balance module circuit includes 6803 chip of LTC and peripheral components, is passed through
LTC6803 can carry out voltage detecting and Balance route to battery pack；
The voltage acquisition balance module carries out equilibrium to battery pack using passive balanced way, using 10 Europe of resistance value
Nurse, power 15W cement resistor discharge the higher battery of capacity in battery pack, to reach each single battery in battery pack
Capacity is consistent.
Further, the temperature sensing circuit.Linear 10K ohm of thermistors for selecting -50~100 DEG C, with 10K
In the resistance string system of connections 3.3V power supply and ground of ohm, the AD of resistance connection termination STM32F107 converts pin.
Further, temperature sensing circuit.Linear 10K ohm of thermistors for selecting -50~100 DEG C, with 10K ohm
In resistance string system of connections 3.3V power supply and ground, thermistor connects the AD conversion pipe of termination STM32F107 with 10K ohm of electronics
Foot.
Further, current detection circuit selects model " CHCS-EKB5-1000A " and " CHCS- in Nanjing suddenly
The Hall current sensor of LTSH-15A " is respectively used to detect the electric discharge of mining startup power supply and charging current detection；
Described " CHCS-EKB5-1000A " and " CHCS-LTSH-15A " Hall current sensor is powered by 5V, output
The signal of 0~2.5V, the AD of π filtering (inductance 10nH, capacitor 10nF) circuit connection termination STM32F107 of the signal Jing Guo LC type
Convert pin.
Further, CAN module circuit includes transceiver and isolator, and wherein transceiver is Texas Instrument
SN65HVD230 chip, isolator are HCPL-0611 model optical coupling isolator.
Further, the battery pack is connected by 8 section lithium ion batteries, and battery voltage signal passes through 100 ohm of guarantors
Shield resistance is linked to C0~C8 pin of LTC6803, for the real-time detection to cell voltage, S1~S8 pin of LTC6803
2 pins of the P-channel field-effect transistor (PEFT) pipe of model SI2301 are connect, field-effect tube is for driving balanced cement resistor and balanced instruction electricity
Road.
The present invention has the protection of single battery overcharged voltage, over-discharge voltage protection, over-discharge voltage shielding failure detection function,
Has the function of charge overcurrent protection, electric discharge overcurrent protection, temperature protection function, equalizaing charge control etc..The present invention supports LCD liquid
Crystalline substance screen shows that the state parameter of startup power supply includes: battery state, input current, output voltage, output electric current, battery pack
Each single battery temperature, the voltage of each single battery of battery pack, battery pack charging, discharge condition and electric current, residual capacity
(SOC), it overcharges, over-discharge, the status informations such as short circuit and overtemperature alarm.
Compared with prior art, the present invention its remarkable advantage are as follows: the present invention is directed to the 8 of mine locomotive lithium battery startup power supply
Section lithium ion battery is managed；The present invention has multiple battery defencive function, improves the safety that lithium battery is used in underground；
Integrated level of the invention is high, convenient for installation in mine down-hole danger explosion production environment explosion-proof device cavity.
Detailed description of the invention
Fig. 1 is a kind of mine locomotive lithium battery startup power supply battery management system composition block diagram of the invention；
Fig. 2 is that a kind of mine locomotive lithium battery startup power supply battery management system typical case of the invention quotes block diagram；
Fig. 3 is voltage detection circuit module functional block diagram of the invention；
Fig. 4 is cpu system functional block diagram of the invention；
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In conjunction with attached drawing 1, illustrate: a kind of mine locomotive lithium battery startup power supply battery management system by peripheral interface circuit,
Cpu system circuit, voltage acquisition balance module circuit, temperature sensing circuit, current detection circuit (Hall voltage acquisition), CAN
Modular circuit composition；
Peripheral interface circuit provides LCD Interface, short-circuit detecting interface, charge and discharge control, jtag interface, UART debugging
Interface, power supply interface.
In conjunction with attached drawing 2, illustrate: a kind of mine locomotive lithium battery startup power supply battery management system typical case schematic diagram,
The present invention runs the 24V power supply provided by external DC-DC module, and the voltage and temperature to battery pack carry out real-time monitoring,
By the charging and discharging currents of Hall current sensor real-time monitoring power supply, the charge and discharge switch of power supply is controlled, and by power information
It is shown on LCD display.
When power supply operates in normal condition, BMS management system controls equipment electric discharge relay, charge relay closure.?
Detect that the over-voltage of battery cell battery, over-discharge, electric discharge overcurrent, temperature are more than that given threshold values is (usually true by lithium ion battery characteristic
Cutting electric discharge relay in the case where calmly), and pass through LCD display and alarm.Detect single battery overcharge, the overcurrent that charges,
Temperature anomaly or power supply full state (usually being determined by lithium ion battery characteristic), charge relay of cutting off the power, and pass through
LCD display alarm.
In conjunction with attached drawing 3, illustrate: the voltage acquisition balance module circuit includes 6803 chip of LTC and peripheral components group
At by LTC6803 voltage detecting and Balance route can be carried out to battery pack；
The battery pack is connected by 8 section lithium ion batteries, and battery voltage signal passes through 100 ohm of protective resistance links
To C0~C8 pin of LTC6803, for the real-time detection to cell voltage, S1~S8 pin of LTC6803 connects model
2 pins of the P-channel field-effect transistor (PEFT) pipe of SI2301, field-effect tube is for driving balanced cement resistor and balanced indicating circuit.
The voltage acquisition balance module carries out equilibrium to battery pack using passive balanced way, using 10 Europe of resistance value
Nurse, power 15W cement resistor discharge the higher battery of capacity in battery pack, to reach each single battery in battery pack
Capacity is consistent.
In conjunction with attached drawing 4, illustrate: the cpu system circuit includes STM32F107 single-chip microcontroller one, crystal oscillating circuit 2, filter
Wave capacitor four, stabilizing inducatnce two, abnormal protection and warning device, real-time clock；
By 3.3V DC-voltage supply, 32.768KHz crystal oscillator is used to provide to CPU real the STM32F107 single-chip microcontroller
When clock signal, 25MHz crystal oscillator for give CPU provide piece external system clock signal；
The real-time clock includes 3.3V button cell and battery holder, for STM32F107 single-chip microcontroller it is real-time when
Clock module for power supply.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of mine locomotive lithium battery startup power supply battery management system, which is characterized in that including peripheral interface circuit, CPU
Circuit system, voltage acquisition balance module circuit, temperature sensing circuit, current detection circuit and CAN module circuit；
The peripheral interface circuit for provide LCD Interface, short-circuit detecting interface, charge and discharge control, jtag interface,
UART debugging interface and power supply interface.
2. mine locomotive lithium battery startup power supply battery management system according to claim 1, it is characterised in that: described
Cpu system circuit includes STM32F107 single-chip microcontroller one, crystal oscillating circuit 2, filter capacitor four, stabilizing inducatnce two, exception
Protection and warning device, real-time clock；
The STM32F107 single-chip microcontroller is by 3.3V DC-voltage supply；
The crystal oscillating circuit includes 32.768KHz crystal oscillating circuit and 25MHz crystal oscillating circuit；
The 32.768KHz crystal oscillating circuit is used to provide real-time clock signal to CPU, and the 25MHz crystal oscillating circuit is used for
Piece external system clock signal is provided to CPU；
The real-time clock includes 3.3V button cell and battery holder, is used for the real-time clock of STM32F107 single-chip microcontroller
Module for power supply.
3. mine locomotive lithium battery startup power supply battery management system according to claim 1, which is characterized in that the electricity
Pressure acquisition balance module circuit includes 6803 chip of LTC and peripheral components, can carry out voltage to battery pack by LTC6803
Detection and Balance route.
4. mining mine locomotive lithium battery startup power supply battery management system according to claim 1, which is characterized in that institute
Linear 10K ohm of thermistors of -50~100 DEG C of the temperature sensing circuit use stated, the resistance string system of connections with 10K ohm
In 3.3V power supply and ground, the AD of resistance connection termination STM32F107 converts pin.
5. mining mine locomotive lithium battery startup power supply battery management system according to claim 1, which is characterized in that institute
The current detection circuit stated selects the Hall of model " CHCS-EKB5-1000A " and " CHCS-LTSH-15A " in Nanjing suddenly
Current sensor is respectively used to detect the electric discharge of mining startup power supply and charging current detection；
Described " CHCS-EKB5-1000A " and " CHCS-LTSH-15A " Hall current sensor is powered by 5V, and output 0~
The AD of the signal of 2.5V, π filter circuit connection termination STM32F107 of the signal Jing Guo LC type converts pin.
6. mining mine locomotive lithium battery startup power supply battery management system according to claim 1, which is characterized in that
CAN module circuit includes transceiver and isolator, and wherein transceiver is the SN65HVD230 chip of Texas Instrument, and isolator is
HCPL-0611 model optical coupling isolator.
7. mining mine locomotive lithium battery startup power supply battery management system according to claim 3, which is characterized in that electricity
Pond group is connected by 8 section lithium ion batteries, battery voltage signal be linked to by 100 ohm of protective resistances the C0 of LTC6803~
C8 pin, for the real-time detection to cell voltage, S1~S8 pin of LTC6803 connects the P-channel field effect of model SI2301
Should pipe 2 pins, field-effect tube is for driving balanced cement resistor and balanced indicating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006019.XA CN109466376A (en) | 2019-01-03 | 2019-01-03 | A kind of mine locomotive lithium battery startup power supply battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006019.XA CN109466376A (en) | 2019-01-03 | 2019-01-03 | A kind of mine locomotive lithium battery startup power supply battery management system |
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| CN109466376A true CN109466376A (en) | 2019-03-15 |
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| CN201910006019.XA Pending CN109466376A (en) | 2019-01-03 | 2019-01-03 | A kind of mine locomotive lithium battery startup power supply battery management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749830A (en) * | 2019-11-22 | 2020-02-04 | 淮南市矿用电子技术研究所 | Mining lithium battery pack management system acquisition unit and acquisition method thereof |
| CN110758173A (en) * | 2019-10-25 | 2020-02-07 | 广东维可特科技有限公司 | Control method and device of charging and discharging detection system and storage medium |
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| CN204243823U (en) * | 2014-11-19 | 2015-04-01 | 华北科技学院 | A kind of mine escape capsule lithium battery balance control system |
| CN205326815U (en) * | 2016-01-26 | 2016-06-22 | 张涌 | New energy automobile high -voltage electrical management system |
| CN106972618A (en) * | 2017-04-17 | 2017-07-21 | 中国矿业大学 | A kind of remote controlled type Flameproof and intrinsically safe uninterruption power source |
| CN107703459A (en) * | 2017-11-07 | 2018-02-16 | 湖州慧能机电科技有限公司 | A kind of centralized battery management system of hybrid vehicle |
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Patent Citations (6)
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| JP2000069688A (en) * | 1998-08-24 | 2000-03-03 | Denso Corp | Battery charging device |
| CN104184191A (en) * | 2014-08-21 | 2014-12-03 | 广州益维电动汽车有限公司 | Whole vehicle control device and control method for electric vehicle |
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| CN110758173A (en) * | 2019-10-25 | 2020-02-07 | 广东维可特科技有限公司 | Control method and device of charging and discharging detection system and storage medium |
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Application publication date: 20190315 |