CN107681750A - Based on embedded intelligence cell managing device - Google Patents
Based on embedded intelligence cell managing device Download PDFInfo
- Publication number
- CN107681750A CN107681750A CN201711154823.XA CN201711154823A CN107681750A CN 107681750 A CN107681750 A CN 107681750A CN 201711154823 A CN201711154823 A CN 201711154823A CN 107681750 A CN107681750 A CN 107681750A
- Authority
- CN
- China
- Prior art keywords
- battery
- control module
- main control
- triode
- managing device
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H02J7/0022—
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- H02J7/0026—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to one kind to be based on embedded intelligence cell managing device, including：One shell body and the main control module being arranged in the shell body and a plurality of equalization control modules that charge and discharge control is carried out to battery in battery modules that are connected respectively with the main control module and are used for；Also include a plurality of data acquisition modules for being connected respectively with the main control module and being correspondingly arranged in and be used for data acquisition in battery modules at battery；The data acquisition module includes battery voltage acquisition unit, battery current detection unit, battery temperature collecting unit and temperature collection unit.One kind proposed by the present invention is based on embedded intelligence cell managing device, simple in construction, it is easy to accomplish, cost is relatively low, can realize to the effective monitoring of battery.
Description
Technical field
The present invention relates to one kind to be based on embedded intelligence cell managing device.
Background technology
Some following shortcomings be present in secondary cell, as storage energy is few, short life, connection in series-parallel using problem, use peace
Quan Xing, battery electric quantity estimation difficulty etc..The performance of battery is very complicated, and different types of battery behavior also differs greatly.Electricity
Pond management system（BMS）The utilization rate of battery can be improved by mainly aiming at, and prevent battery from overcharge and overdischarge occur, be prolonged
The service life of long battery, monitor the state of battery.Accurate estimation power battery pack state-of-charge (State of Charge,
That is SOC), i.e. battery dump energy ensures that SOC is maintained in rational scope, prevented because overcharge or overdischarge are to battery
Damage, so as to which forecast hybrid vehicle energy-storage battery there remains the state-of-charge of how many energy or energy-storage battery at any time.
In battery charge and discharge process, the end that electric automobile stores every piece of battery in (should be power battery pack) battery pack is gathered in real time
Voltage and temperature, charging and discharging currents and battery bag total voltage, prevent battery from overcharge or overdischarge phenomenon occurs.Simultaneously can and
When provide battery condition, pick out problematic battery, keep the reliability and high efficiency of whole group battery operation, make dump energy
Estimation model is implemented as possibility.In addition, the usage history archives of every piece of battery also to be established, for further optimization and
Develop Novel electric, charger, motor etc. and data is provided, foundation is provided for the off-line analysis system failure.I.e. in cell, electricity
Equilibrium is carried out between the group of pond, each battery in battery pack is all reached balanced consistent state.It is battery balanced to be generally divided into actively
Weighing apparatus, passive equilibrium.The BMS to have put goods on the market at present, mostly using passive equilibrium.Balancing technique is that the current world causes
The key technology of one battery management system (bms) of power research and development.With the development of battery management system, can also increase
Other functions.Possesses plurality of advantages：Energy utilization rate is improved, so as to substantially increase economic benefit.But current product
In, used circuit is complex, and cost is higher, can not realize to the effective monitoring of battery.
The content of the invention
It is an object of the invention to provide one kind to be based on embedded intelligence cell managing device, is deposited in the prior art with overcoming
The defects of.
To achieve the above object, the technical scheme is that：One kind is based on embedded intelligence cell managing device, wraps
Include：One shell body and the main control module being arranged in the shell body and a plurality of it are connected and are used for the main control module respectively
The equalization control module of charge and discharge control is carried out to battery in battery modules；Also it is connected respectively with the main control module including a plurality of
And it is correspondingly arranged in the data acquisition module for being used for data acquisition in battery modules at battery；The data acquisition module includes electricity
Cell voltage collecting unit, battery current detection unit, battery temperature collecting unit and temperature collection unit.
In an embodiment of the present invention, the equalization control module is corresponding is connected to the battery through terminals and cable
Battery in module；Terminals and cable connection are connected with the data acquisition module corresponding to the main control module warp；Institute
State shell body one side offer first through hole for setting the equalization control module terminals and for set with
Second through hole of the terminals of the data acquisition module Block- matching.
In an embodiment of the present invention, the main control module includes：STM32F103ZET6；The battery temperature collection is single
First and described temperature collection unit includes paster thermistor PT100；The battery voltage acquisition unit includes one
CS5463；The battery current detection unit includes Hall open-loop current sensor.
In an embodiment of the present invention, the equalization control module includes first resistor, second resistance, 3rd resistor, the
Four resistance, FET, the first triode, the second triode, optocoupler and phase inverter；The input of the phase inverter with it is described
Main control module is connected, and output end is connected to the anode of the light emitting diode in the optocoupler through the 4th resistance；The optocoupler
The minus earth of middle light emitting diode；In the optocoupler one end of light-sensitive device respectively the colelctor electrode with second triode,
The negative pole of battery is connected in the drain electrode of the FET and the battery modules；The other end of light-sensitive device in the optocoupler
One end with the first resistor, one end of the second resistance are connected respectively；The other end of the second resistance respectively with institute
The base stage for stating the first triode and second triode is connected；The other end of the first resistor is respectively with the described 1st
The positive pole of battery is connected in the level colelctor electrode of pipe, one end of the 3rd resistor and the battery modules；First three-level
The emitter stage of pipe is connected with the emitter stage of second triode, and is connected with the grid of the FET；The field-effect
The source electrode of pipe is connected with the other end of the 3rd resistor.
In an embodiment of the present invention, in addition to one is connected and is arranged at the main control module and is opened in the shell body
Display screen in top groove, the display screen use a LCD12864.
In an embodiment of the present invention, when the main control module is collected in battery pack through the battery voltage acquisition unit
Cell voltage reaches the first preset voltage value, and when battery pressure difference is in predeterminated voltage region, the main control module passes through institute
State equalization control module and the balanced control is carried out to the battery.
In an embodiment of the present invention, the main control module is by using common Kalman filtering method Joint EKF algorithms,
With reference to the battery power discharge curve through the battery voltage acquisition unit and battery current detection unit acquisition, load electricity
Pressure, current integration values carry out dynamic estimation to SOC.
In an embodiment of the present invention, during the SOC dynamic estimations, in time to battery charge or discharge when
Electric current integrated, calculate battery charging and discharging electricity, the electricity of charge/discharge electricity amount and state-of-charge is contrasted, to estimate
The current state-of-charge SOC of battery：
Wherein, SCO0For the state-of-charge of battery 100%, CN is battery nominal capacity, and I is battery current, and η is efficiency for charge-discharge.
In an embodiment of the present invention, in addition to the main control module blower fan cooling module being connected；In charging process
In, when monitoring that temperature is higher than 35 DEG C through the temperature collection unit, open fan；When temperature is higher than 45 DEG C,
Cut off charge circuit；When temperature is less than 30 DEG C, charging is opened；In discharge process, when temperature is higher than 35 DEG C, fan is opened；Case
When temperature is less than 30 DEG C, fan is closed.
Compared to prior art, the invention has the advantages that：
1. batteries monomer voltage detecting, reference voltage detection 1-5v, high accuracy, composition error is less than 5mv, suitable for all electricity
The battery pack of pressure within this range is used, and overshoot protection, Cross prevention voltage can arbitrarily be set within this range.
2. use controlled balanced way, can be more than by the pressure difference detected when charging after the value of setting start it is equal
Weighing apparatus.
3. current measurement（Support current measurement within 300a）.
4. high-precision Coulomb meter function, based on integrated current over time, accurately calculates battery remaining power, is filled with electricity
Deng.
6. support screen shows battery state, parameter, monomer voltage is often saved.
7. being based on motor Hall pulse detection speed, and remaining course continuation mileage can be calculated.
8. independent temperature survey, temperature overheat protector value can be set.
9. setting double independent real-time monitoring programs of house dog adds second class protection, never crash.
Brief description of the drawings
Fig. 1 is shell body side view diagram in the present invention.
Fig. 2 is shell opposite side view in the present invention.
Fig. 3 is the circuit theory diagrams in the present invention.
Fig. 4 is the functional diagram of main control module in the present invention.
Fig. 5 is voltage conversion circuit circuit diagram in one embodiment of the invention.
Fig. 6 is balancing control circuit circuit diagram in one embodiment of the invention.
Fig. 7 is main control module circuit diagram in one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The present invention provides one kind and is based on embedded intelligence cell managing device, as shown in Fig. 1 ~ 3, including：One shell body 1 with
And the main control module that is arranged in the shell body and a plurality of it is connected respectively with the main control module and in battery modules
Battery carries out the equalization control module of charge and discharge control；Also it is connected and is correspondingly arranged in the main control module respectively including a plurality of
It is used for the data acquisition module of data acquisition in battery modules at battery；Data acquisition module include battery voltage acquisition unit,
Battery current detection unit, battery temperature collecting unit and temperature collection unit.
Further, in the present embodiment, equalization control module is corresponding is connected to battery modules through terminals and cable
In battery；Terminals corresponding to main control module warp and cable connection are connected with data acquisition module；The one side of shell body
Offer first through hole 2 for setting equalization control module terminals and connect for setting with data acquisition module Block- matching
Second through hole 3 of line end.
Further, in the present embodiment, main control module includes：STM32F103ZET6；Battery temperature collecting unit and
Temperature collection unit includes paster thermistor PT100；Battery voltage acquisition unit includes a CS5463；Battery current is examined
Surveying unit includes Hall open-loop current sensor.
Further, in the present embodiment, as shown in fig. 6, equalization control module includes first resistor, second resistance, the
Three resistance, the 4th resistance, FET, the first triode, the second triode, optocoupler and phase inverter；The input of phase inverter
It is connected with main control module, output end is connected to the anode of the light emitting diode in optocoupler through the 4th resistance；Light-emitting diodes in optocoupler
The minus earth of pipe；In optocoupler one end of light-sensitive device respectively with the drain electrode of the colelctor electrode, FET of the second triode and
The negative pole of battery is connected in battery modules；The other end of light-sensitive device one end with first resistor, second resistance respectively in optocoupler
One end be connected；Base stage of the other end of second resistance respectively with the first triode and the second triode is connected；First resistor
The other end positive pole of battery is connected in the colelctor electrode with the first triode, one end of 3rd resistor and battery modules respectively；
The emitter stage of first triode is connected with the emitter stage of the second triode, and is connected with the grid of FET；FET
Source electrode is connected with the other end of 3rd resistor.
Further, in the present embodiment, the first triode is PNP pipe, and the second triode is managed for NPN；FET is
Metal-oxide-semiconductor.
Further, in the present embodiment, in addition to one is connected and is arranged at main control module and is opened at the top of shell body
Display screen 4 in groove, the display screen use a LCD12864.
Further, in the present embodiment, main control module also includes leading to external control system or CAN Transmit-Receive Unit
The CAN communication interface of letter and the USB interface with upper machine communication；CAN communication interface, which is arranged at, is opened in shell
5 in the third through-hole of body another side；USB interface, which is arranged at, to be opened in 6 in the fourth hole of shell body another side.
In an embodiment of the present invention, in addition to main control module it is connected and is arranged at buzzer and the master control of shell body
Module is connected and is arranged at the light emitting diode at the top of shell body in fifth hole 7.
In the present embodiment, distributed bus structure is employed based on BMS intelligent battery pipe management systems, such as the institutes of Fig. 4 to 7
Show, including：One main control module（CCM）, multiple data acquisition modules（DCM）, multiple equalization control modules, display screen, data
Memory module, current sensor etc..
Further, data acquisition module is adopted including battery voltage acquisition unit, battery current detection unit, battery temperature
Collect unit, temperature collection unit.Multiple temp probes are placed in battery modules casing（2-8 temperature sensor）, it is real
Now to the real-time detection of battery modules case vivo environment temperature.Data acquisition module is connected with battery modules, is gathered in this casing
The data such as the voltage of battery battery core, battery case body temperature, the information such as the cell voltage collected, spin manifold temperature are passed through serial
Transmission is to main control module.Equalization control module is used to carry out Balance route to battery battery core.In the present embodiment, one
Individual data acquisition module can gather the battery core of 1 to 24 section.Passed on each data acquisition module with two or more temperature
Sensor.
Further, main control module is realized to battery according to the balanced management control strategy of agreement by equalization control module
Balance route.Because every road battery controls by respective FET.In battery pack cascade process, when any in loop
The voltage of one piece of cell is more than balancing control circuit cut-in voltage and is less than over-charging of battery electric protection voltage, will start
The circuit module that weighs works.Balanced management function is carried out to battery core, improves the uniformity of single-unit battery core, improves the use of whole group battery
Performance.
Further, equalization control module is made up of optocoupler, triode, FET, phase inverter and equalizing resistance.Such as figure
Shown in 4, including first resistor, second resistance, 3rd resistor, the 4th resistance, FET, the first triode, the second triode,
Optocoupler and phase inverter.First triode uses PNP pipe, and the second triode is managed using NPN.The input of phase inverter and master control mould
Block is connected, and output end is connected to the anode of the light emitting diode in optocoupler through the 4th resistance.The negative electrode of light emitting diode in optocoupler
Ground connection.One end of the light-sensitive device drain electrode with the colelctor electrode, FET of the second triode and battery modules respectively in optocoupler
The negative pole of middle battery is connected.The other end of light-sensitive device one end with first resistor, one end phase of second resistance respectively in optocoupler
Even.Base stage of the other end of second resistance respectively with the first triode and the second triode is connected.The other end of first resistor
The positive pole of battery is connected in the colelctor electrode with the first triode, one end of 3rd resistor and battery modules respectively.First three-level
The emitter stage of pipe is connected with the emitter stage of the second triode, and is connected with the grid of FET.The source electrode of FET and
The other end of three resistance is connected.The on off state sequential of main control module duty control optocoupler, optocoupler control list by FET
Road battery circuit.Each battery connection resistance and metal-oxide-semiconductor.When the voltage of single battery in Battery case reaches 3.55V, and electricity
When pond pressure difference is between 20mv to 80mv, Balance route would automatically turn on, and pass through the switch shape of metal-oxide-semiconductor corresponding to control
State, management of charging and discharging is carried out to battery.During charging, when underfill electricity and cell voltage exceed other cell voltages or battery electricity
When pressure reaches full electric, main control module sends low level and instructed to optocoupler, turns on optocoupler.Then by by the three of a pair of complementary types
Pole pipe conducting driving metal-oxide-semiconductor, so that the source electrode and drain path of FET, shunting action is realized to the battery.Work as electricity
After cell voltage equilibrium, main control module sends high level and instructed to optocoupler, optocoupler open circuit, complementary type triode ON, by grid
Voltage difference between source electrode consumes.Each equalization control module can open the balanced of multichannel simultaneously according to actual conditions and control
System.In addition, the balanced control module can pass through the 12V (9V ~ 18V is adaptive) or 24V of outside (18V ~ 30V is adaptive)
Working power is provided for it.
Further, single battery battery core voltage detecting is realized to each by carrying out isolation amplification to series connection monomer voltage
The real-time detection of individual monomer voltage.Further, communicated by the RS485 buses or CAN of data acquisition module by electricity
The voltage of each monomer, Battery case temperature and other information are sent to main control module in the group of pond.Further, main control module
The data of data acquisition module are collected, battery pack data are carried out to concentrate analysis and processing, according to the operation conditions of battery pack, entered
Row alarm and control.Main control chip uses STM32F103ZET6.Meanwhile main control module also completes the survey of battery pack operating current
Amount, Balance route and heat management control, utilize Kalman filtering recursive calculation, it is possible to are applied to adding modification steady and non-
Stationary Random Environments.Kalman filters algorithm and estimates measured value and its calculated value of correlation by predicted value, estimates probabilistic prediction
It is worth and calculates the weighted average between predicted value and measured value.Algorithm carries out state according to input quantity electric current, voltage, temperature etc.
Recursion, draws the value of estimation, and provides evaluated error, and result is constantly corrected further according to evaluated error, so as to estimate
Meter error minimizes.Kalman filtering method can keep very high precision in estimation process, and have to error and repair well
Positive interaction.Dynamic estimation is being carried out to SOC using load voltage and current integration values, to the electric current in charge or discharge
Integrated in time so as to calculate the change of battery electric quantity to estimate.So using battery as a closed system, in electricity
When amount calculates, it is only necessary to measure the battery power of disengaging and it is added up, by the charge/discharge electricity amount of accumulation with charged shape
The electricity of state is contrasted to estimate the current electricity of battery, carries out SOC estimations.On the other hand, BMS systems not only have strong
Big data communication facility, realization and the CAN bus communications between entire car controller and electric machine controller, can also be carried in real time
The maximum allowable discharge current value of SOC, battery for battery, optimization use the energy content of battery, realized between system and onboard instruments
Communication, show battery detailed data.
Further, estimate to use common Kalman filtering method Joint EKF algorithms for main control module SOC, utilize
Kalman filtering recursive calculation, it is possible to be applied to steady and non-stationary environment with adding modification.Kalman's filter algorithm passes through pre-
Measured value estimates measured value and its calculated value of correlation, estimates probabilistic predicted value and calculates between predicted value and measured value
Weighted average.Algorithm carries out state recursion according to input quantity electric current, voltage, temperature etc., draws the value of estimation, and provide estimation
Error, result is constantly corrected further according to evaluated error, so as to which evaluated error be minimized.Kalman filtering method exists
Very high precision can be kept in estimation process, and has good correcting action to error.Accumulated using load voltage and electric current
Score value carries out dynamic estimation to SOC, the electric current in charge or discharge is integrated in time, so as to calculate battery
The change of electricity is estimated.So using battery as a closed system, when electricity calculates, it is only necessary to measure the battery of disengaging
Electric energy simultaneously adds up to it, is contrasted by the charge/discharge electricity amount of accumulation with the electricity of state-of-charge to estimate that battery is current
Electricity.Due to that need not consider the influence of other factors, this method implements simple direct.The calculation formula of current state is such as
Under
SCO0For the state-of-charge of battery 100%, CN is battery nominal capacity：I is battery current：η is efficiency for charge-discharge.
Further, voltage x current acquisition chip uses CS5463.Current sensor is Hall open-loop current sensor, electricity
Flow detection range 0 to 1000A, current sensor and pass through the negative or positive electrode wire of battery pack output.
Further, main control module has 2 road CAN interfaces, for control system（ECU）Or other CAN buses
Transmit-Receive Unit is communicated.The information such as the stagnation pressure of battery pack, total current, SOC, failure can be sent in real time by CAN buses
ECU or other CAN bus transceiving units.
Further, data acquisition module is by the various information of battery pack（Voltage, electric current, temperature, SOC, charged state,
Battery charger failure etc.）Shown on a display screen in real time.During failure, buzzer sends alarm to user, display
Specific fault type is shown on screen simultaneously.Display uses LCD12864.Touch screen color and use industrial design standard, bear dirty, fit
Conjunction uses in factory's rugged environment.
Further, communicated by USB interfaces with host computer, under battery failures information in main control module is preserved
Come, it is convenient that data analysis is carried out to battery pack.
Further, EMS is provided with powerful System self-test function, and voltage, temperature, communication etc. are entered after system electrification
Row detection, ensure that system itself is working properly.
Further, when Battery case temperature exceedes setting value, blower fan module is started.In charging process, work as casing
When temperature is higher than 35 DEG C, fan is opened；When spin manifold temperature is higher than 45 DEG C, charge circuit is cut off；Spin manifold temperature is less than 30 DEG C
When, open charger.In discharge process, when spin manifold temperature is higher than 35 DEG C, fan is opened；When spin manifold temperature is less than 30 DEG C, close
Close fan.CAN and RS485 communications：Communicated by CAN and RS485 buses with main control module, by main control module
Send control command.
Further, single battery uses 18650 lithium batteries in battery pack.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (9)
1. one kind is based on embedded intelligence cell managing device, it is characterised in that including：One shell body and it is arranged at the shell
Internal main control module and a plurality of it is connected respectively with the main control module and for carrying out discharge and recharge to battery in battery modules
The equalization control module of control；Also include a plurality of respectively with the main control module being connected and being correspondingly arranged in battery in battery modules
Locate the data acquisition module for data acquisition；The data acquisition module includes battery voltage acquisition unit, battery current is examined
Survey unit, battery temperature collecting unit and temperature collection unit.
2. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that the Balance route mould
The corresponding battery being connected to through terminals and cable in the battery modules of block；Terminals corresponding to main control module warp with
And cable connection is connected with the data acquisition module；The one side of the shell body is offered for setting the Balance route
The first through hole of module terminals and for setting the second through hole with the terminals of the data acquisition module Block- matching.
3. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that the main control module bag
Include：STM32F103ZET6；The battery temperature collecting unit and the temperature collection unit include paster thermistor
PT100；The battery voltage acquisition unit includes a CS5463；The battery current detection unit passes including Hall open-loop current
Sensor.
4. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that the Balance route mould
Block includes first resistor, second resistance, 3rd resistor, the 4th resistance, FET, the first triode, the second triode, optocoupler
And phase inverter；The input of the phase inverter is connected with the main control module, and output end is connected to institute through the 4th resistance
State the anode of the light emitting diode in optocoupler；The minus earth of light emitting diode in the optocoupler；Light-sensitive device in the optocoupler
One end battery in the drain electrode with the colelctor electrode, the FET of second triode and the battery modules respectively
Negative pole is connected；The other end of light-sensitive device one end with the first resistor, the one of the second resistance respectively in the optocoupler
End is connected；Base stage of the other end of the second resistance respectively with first triode and second triode is connected；
The other end of the first resistor colelctor electrode with first triode, one end of the 3rd resistor and the electricity respectively
The positive pole of battery is connected in the module of pond；The emitter stage of first triode is connected with the emitter stage of second triode, and
It is connected with the grid of the FET；The source electrode of the FET is connected with the other end of the 3rd resistor.
5. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that also including one with it is described
Main control module is connected and is arranged at the display screen being opened in the shell body top groove, and the display screen uses one
LCD12864。
6. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that when the main control module
Battery in battery pack voltage is collected through the battery voltage acquisition unit and reaches the first preset voltage value, and battery pressure difference is in
When in predeterminated voltage region, the main control module carries out the balanced control to the battery by the equalization control module.
7. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that the main control module leads to
Cross using common Kalman filtering method Joint EKF algorithms, with reference to through the battery voltage acquisition unit and battery electricity
Flow battery power discharge curve, load voltage, current integration values that detection unit obtains and dynamic estimation is carried out to SOC.
8. according to claim 7 be based on embedded intelligence cell managing device, it is characterised in that in SOC dynamics
In estimation procedure, in time to battery charge or discharge when electric current integrate, calculate battery charging and discharging electricity, by charge and discharge
The electricity of power consumption and state-of-charge is contrasted, to estimate the current state-of-charge SOC of battery：
Wherein, SCO0For the state-of-charge of battery 100%, CN is battery nominal capacity, and I is battery current, and η is efficiency for charge-discharge.
9. according to claim 1 be based on embedded intelligence cell managing device, it is characterised in that also includes and the master
Control the connected blower fan cooling module of module；In charging process, when monitoring that temperature is higher than through the temperature collection unit
At 35 DEG C, fan is opened；When temperature is higher than 45 DEG C, charge circuit is cut off；When temperature is less than 30 DEG C, charging is opened；Electric discharge
During, when temperature is higher than 35 DEG C, open fan；When spin manifold temperature is less than 30 DEG C, fan is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154823.XA CN107681750A (en) | 2017-11-20 | 2017-11-20 | Based on embedded intelligence cell managing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711154823.XA CN107681750A (en) | 2017-11-20 | 2017-11-20 | Based on embedded intelligence cell managing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107681750A true CN107681750A (en) | 2018-02-09 |
Family
ID=61148982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711154823.XA Pending CN107681750A (en) | 2017-11-20 | 2017-11-20 | Based on embedded intelligence cell managing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327093A (en) * | 2020-02-21 | 2020-06-23 | 石家庄粮保科技有限公司 | Battery charging and discharging management equipment |
| CN113394851A (en) * | 2021-07-09 | 2021-09-14 | 深圳市中昌探伤器材有限公司 | Lithium battery protection circuit and magnetic particle flaw detector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618352A (en) * | 2013-11-26 | 2014-03-05 | 山东圣阳电源股份有限公司 | Battery pack power equalization circuit |
| CN104993530A (en) * | 2015-06-26 | 2015-10-21 | 广西科技大学 | Battery management system |
| CN204761067U (en) * | 2015-06-02 | 2015-11-11 | 李相哲 | Communication energy storage power supply system |
| US20150321576A1 (en) * | 2014-05-08 | 2015-11-12 | Ford Global Technologies, Llc | Battery Cell State of Charge Estimation |
| CN105301511A (en) * | 2015-11-12 | 2016-02-03 | 华晨汽车集团控股有限公司 | Method for utilizing joint extended Kalman filter to pre-estimate battery state of charge |
| CN206313488U (en) * | 2016-12-26 | 2017-07-07 | 苏州绿恺动力电子科技有限公司 | A kind of lithium battery safety management system |
| CN207664645U (en) * | 2017-11-20 | 2018-07-27 | 福建师范大学福清分校 | Based on embedded intelligence cell managing device |
-
2017
- 2017-11-20 CN CN201711154823.XA patent/CN107681750A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618352A (en) * | 2013-11-26 | 2014-03-05 | 山东圣阳电源股份有限公司 | Battery pack power equalization circuit |
| US20150321576A1 (en) * | 2014-05-08 | 2015-11-12 | Ford Global Technologies, Llc | Battery Cell State of Charge Estimation |
| CN204761067U (en) * | 2015-06-02 | 2015-11-11 | 李相哲 | Communication energy storage power supply system |
| CN104993530A (en) * | 2015-06-26 | 2015-10-21 | 广西科技大学 | Battery management system |
| CN105301511A (en) * | 2015-11-12 | 2016-02-03 | 华晨汽车集团控股有限公司 | Method for utilizing joint extended Kalman filter to pre-estimate battery state of charge |
| CN206313488U (en) * | 2016-12-26 | 2017-07-07 | 苏州绿恺动力电子科技有限公司 | A kind of lithium battery safety management system |
| CN207664645U (en) * | 2017-11-20 | 2018-07-27 | 福建师范大学福清分校 | Based on embedded intelligence cell managing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327093A (en) * | 2020-02-21 | 2020-06-23 | 石家庄粮保科技有限公司 | Battery charging and discharging management equipment |
| CN113394851A (en) * | 2021-07-09 | 2021-09-14 | 深圳市中昌探伤器材有限公司 | Lithium battery protection circuit and magnetic particle flaw detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202696179U (en) | Battery management system | |
| CN101078750B (en) | Vehicle mounted battery monitor system | |
| CN101976867B (en) | Special power battery management system for electric vehicle and implementation method thereof | |
| CN102231546B (en) | Battery management system with balanced charge and discharge functions and control method thereof | |
| US9252624B2 (en) | Battery control device and battery system | |
| CN104052130B (en) | For ferric phosphate lithium cell power-supply management system and the method for work of service robot | |
| CN101615704B (en) | Method for controlling storage battery | |
| CN105857109B (en) | A kind of SCM Based electric car power supply management system | |
| CN202309138U (en) | Lithium-iron-phosphate battery-managing system for substation direct-current power-supply system | |
| CN104237795A (en) | Detection of Imbalance Across Multiple Battery Cells Measured by the Same Voltage Sensor | |
| JP2003219572A (en) | Battery pack system | |
| CN105811531A (en) | Novel power battery heath management system | |
| JP2003303627A (en) | Status detecting device and various devices using the same | |
| CN104201749A (en) | Battery management system and method for initiative balance | |
| CN103823186A (en) | Method and system for estimating battery capacity in a vehicle | |
| CN203246337U (en) | Master control module of power battery management system for electric vehicle | |
| CN105471020A (en) | Circuit and method for detection of battery cell drain | |
| CN111071097A (en) | Display device and vehicle including the same | |
| CN103986205B (en) | 16 series lithium battery group multi-mode balance control methods of dynamic adaptation | |
| CN107800172A (en) | A kind of data collecting system of batteries of electric automobile module | |
| US8030894B2 (en) | System and method for rebalancing a vehicle battery | |
| CN104882644B (en) | Electric vehicle electric charging station Intelligentized battery detection device | |
| CN202080145U (en) | Battery management system | |
| CN107681750A (en) | Based on embedded intelligence cell managing device | |
| CN106655301A (en) | Power management system and method suitable for electric fork-lift truck |
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 |