CN109725558A - A kind of anti-battery management system and control method of casting anchor for logistics sorting vehicle - Google Patents
A kind of anti-battery management system and control method of casting anchor for logistics sorting vehicle Download PDFInfo
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- CN109725558A CN109725558A CN201811121420.XA CN201811121420A CN109725558A CN 109725558 A CN109725558 A CN 109725558A CN 201811121420 A CN201811121420 A CN 201811121420A CN 109725558 A CN109725558 A CN 109725558A
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Abstract
The invention patent purpose is to provide a kind of automobile-used lithium iron phosphate battery management system control method of logistics sorting, battery management system is according to the SOC of battery and monomer voltage situation, in conjunction with the operating condition of AGV, it is divided into 5 kinds of cell health states, different health status executes different charging and maintenance mode, it can effectively reduce the probability that casts anchor caused by problem is not allowed because of SOC in logistics sorting vehicle, improve conevying efficiency.
Description
Technical field
The present invention relates to battery technology fields, particularly relate to a kind of anti-cell tube that casts anchor for logistics sorting vehicle
Reason system and control method.
Background technique
With the rapid development of logistics system, the application range of logistics sorting vehicle is also constantly extending, currently used electricity
Pond management system state-of-charge calibrating mode are as follows: when single battery core reaches Cross prevention value (or other default calibration conditions), from
Dynamic calibration state-of-charge is 0；Single battery core reaches when overcharging protection value (or other default calibration conditions), calibrates charged shape automatically
State is 100%.Battery management system is in fields such as logistics sorting vehicles in use, logistics sorts vehicle applying working condition substantially are as follows: logistics point
Vehicle is picked in electric discharge (0.5C or less discharges) to 20%-40%, goes to charging (2C or more charges) automatically, when charging to 90% or so,
Automatic charging terminates, and carries out operation, and for this operation reserve only using state-of-charge as charging reference value, strategy is relatively simple；It is special herein
Under different operating condition, logistics sorts the automatic calibration point of state-of-charge that each charge and discharge of vehicle are not up to battery management system, causes
State-of-charge calculate error accumulation, and logistics sorting the daily charge and discharge cycles of vehicle reach 4-5 time, state-of-charge error accumulate compared with
Fastly, problem Frequent Troubles are not allowed because of state-of-charge in logistics sorting vehicle, and if state-of-charge is at 40%, vehicle is presented in working region
Electricity casts anchor, and hinders transport channel, reduces conevying efficiency.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of anti-cell tube that casts anchor for logistics sorting vehicle
Reason system and control method, by the state-of-charge and monomer voltage situation of battery, conjugate flow point picks the operating condition pair of vehicle
Battery and logistics sorting vehicle are managed.
Technical solution of the present invention are as follows:
A kind of anti-battery management system that casts anchor for logistics sorting vehicle, including power battery and battery management unit:
The power battery is energy source,
The battery management unit monitors power battery state, carries out charge and discharge control to power battery, the power battery exists
Battery management unit control is lower to be connect with the electric machine controller of vehicle, which is characterized in that the battery management unit includes and moves
The concatenated switch tube loop of power battery, the switch tube loop connect the output end of the power battery and connect with electric machine controller
It connects, battery management module carries out information exchange with entire car controller by AN/485 communication, and the entire car controller passes through AN/
485 communications carry out information exchange with electric machine controller, and the switch tube loop includes two concatenated switching tube compositions, described to open
Guan Guancong power battery to electric machine controller sequence is respectively charge metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor, the switching circuitry and power electric
The connection of Chi Junyu battery management module.
Further, the battery management module includes the voltage collection circuit for acting on power battery, temperature acquisition electricity
Road and the current detection circuit for acting on battery management unit, three parts to monomer voltage, single battery temperature and are moved respectively
Power battery power feeds electric current is measured in real time.
A kind of control method based on the anti-battery management system that casts anchor for logistics sorting vehicle:
1. code 0 indicates battery health no problem by the application definition of cell health state；Code 1 indicates that battery battery core exists
Failure needs depot repair；Code 2 indicates that state-of-charge error is big, need to carry out state-of-charge calibration and capacity study；3 table of code
Show that remaining capacity is less, need to preferentially be charged；Code 4 indicates that remaining capacity is few, need to be charged immediately；
2. when battery management unit detects that battery capacity is 50%-70%, and voltage difference is greater than between battery cell
400mV, then it is assumed that there are failure, battery management module carries out alarm and sends battery health shape to entire car controller battery battery core
State 1, logistics sorting vehicle stop current transport task, directly output working region, into factory maintenance area is returned, prompt work people
Member repairs processing；
3. when battery management system detect battery capacity be 50%-70% when, and between battery cell voltage difference in 200mV-
Between 400mV, then recognize current state-of-charge error and reached the limit, it is most likely that causes different caused by being not allowed because of state-of-charge
It often casts anchor, battery management module carries out alarm and sends cell health state 2 to entire car controller, and logistics sorts vehicle and stops at present
Transport task carry out calibration maintenance into calibration region；
4. battery management system detects that minimum monomer battery voltage is less than 3.0V or stagnation pressure under the random capacity of battery pack
Lower than 3.0*nV, the n is battery strings number, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is less, needs to charge, cell tube
Reason module carries out alarm and sends cell health state 3 to entire car controller, and logistics sorting vehicle is preferentially charged；
5. having monomer battery voltage to be less than 2.8V or stagnation pressure lower than 2.8*nV, the n is electricity under the random capacity of battery pack
Pond string number, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is few, and battery management module alarm and to full-vehicle control
Device sends cell health state 4, and logistics sorting vehicle is charged immediately.
Further, the process of the calibration maintenance is that logistics sorting vehicle first gives out light battery capacity to under-voltage protection, is owed
Pressure protection triggering, electric discharge metal-oxide-semiconductor are cut off, can not continue to discharge at this time, the charged shape of under-voltage protection activated batteries management system
State calibration and capacity learning program, then logistics sorting vehicle carries out charging to overvoltage protection with rated current, if cell voltage value
Higher than battery management system setting the excessively high protection value of monomer voltage, overvoltage protection triggering, charging metal-oxide-semiconductor be cut off, calibration and
Capacity learning process terminates；
The invention has the benefit that
It can effectively reduce the probability that casts anchor caused by problem is not allowed because of state-of-charge in logistics sorting vehicle, improve conevying efficiency, it can be effective
The probability that casts anchor caused by problem is not allowed because of state-of-charge in logistics sorting vehicle is reduced, conevying efficiency is improved.
Detailed description of the invention
Fig. 1 is system structure of the invention；
Fig. 2 is control method logic chart in the present invention.
In figure: power battery 1, charge metal-oxide-semiconductor 2, and discharge metal-oxide-semiconductor 3, battery management module 4, entire car controller 5, motor control
Device 6 processed.
Specific embodiment
Invention is further explained with specific embodiment for explanation with reference to the accompanying drawing.
A kind of anti-battery management system that casts anchor for logistics sorting vehicle, including power battery and battery management unit:
The power battery 1 is energy source,
The battery management unit monitors power battery state, carries out charge and discharge control to power battery 1, the power battery exists
Battery management unit control is lower to be connect with the electric machine controller of vehicle, which is characterized in that the battery management unit includes and moves
The concatenated switch tube loop of power battery, the switch tube loop connect the output end of the power battery and connect with electric machine controller
It connects, battery management module 4 carries out information exchange with entire car controller 5 by AN/485 communication, and the entire car controller 5 passes through
AN/485 communication carries out information exchange with electric machine controller 6, and the switch tube loop includes two concatenated switching tube compositions, institute
State switching tube from power battery to electric machine controller sequence be respectively charging metal-oxide-semiconductor 2 and electric discharge metal-oxide-semiconductor 3, the switching circuitry with
Power battery is connect with battery management module, and the battery management module is the production of Shenzhen Zhi Li Energy Science Co., Ltd
C4_V8 series of products.
Further, the battery management module 4 includes the voltage collection circuit for acting on power battery, temperature acquisition electricity
Road and the current detection circuit for acting on battery management unit, three parts to monomer voltage, single battery temperature and are moved respectively
Power battery power feeds electric current is measured in real time.
A kind of control method based on the anti-battery management system that casts anchor for logistics sorting vehicle:
1. code 0 indicates battery health no problem by the application definition of cell health state；Code 1 indicates that battery battery core exists
Failure needs depot repair；Code 2 indicates that state-of-charge error is big, need to carry out state-of-charge calibration and capacity study；3 table of code
Show that remaining capacity is less, need to preferentially be charged；Code 4 indicates that remaining capacity is few, need to be charged immediately；
2. when battery management unit detects that battery capacity is 50%-70%, and voltage difference is greater than between battery cell
400mV, then it is assumed that there are failure, battery management module carries out alarm and sends battery health shape to entire car controller battery battery core
State 1, logistics sorting vehicle stop current transport task, directly output working region, into factory maintenance area is returned, prompt work people
Member repairs processing；
3. when battery management system detect battery capacity be 50%-70% when, and between battery cell voltage difference in 200mV-
Between 400mV, then recognize current state-of-charge error and reached the limit, it is most likely that causes different caused by being not allowed because of state-of-charge
It often casts anchor, battery management module carries out alarm and sends cell health state 2 to entire car controller, and logistics sorts vehicle and stops at present
Transport task carry out calibration maintenance into calibration region；
4. battery management system detects that minimum monomer battery voltage is less than 3.0V or stagnation pressure under the random capacity of battery pack
It is battery strings number lower than 3.0*n(n) V, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is less, needs to charge, battery management
Module carries out alarm and sends cell health state 3 to entire car controller, and logistics sorting vehicle is preferentially charged；
5. having monomer battery voltage to be less than 2.8V or stagnation pressure lower than 2.8*n(n is battery strings under the random capacity of battery pack
Number) V, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is few, and battery management module alarm and to entire car controller
Cell health state 4 is sent, logistics sorting vehicle is charged immediately.
Further, further, the process of the calibration maintenance is that logistics sorting vehicle first gives out light battery capacity to deficient
Pressure protection, if cell voltage value is lower than the too low protection value of monomer voltage of battery management system setting, under-voltage protection triggering, electric discharge
Metal-oxide-semiconductor is cut off, and can not continue to discharge at this time, the state-of-charge calibration and capacity study of under-voltage protection activated batteries management system
Program, capacity study are that battery management system recalculates the maximum capacity that the battery pack of current state can release, then object
Flow point is picked vehicle and is carried out charging to overvoltage protection with rated current, if cell voltage value is higher than the monomer electricity of battery management system setting
High protection value, overvoltage protection triggering are pressed through, charging metal-oxide-semiconductor is cut off, and calibration and capacity learning process terminate；
Charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor are controlled by battery management system, battery management system control circuit real-time detection monomer electricity
Pressure, electric current and temperature, are monitored the abnormal conditions such as the voltage of battery, electric current, temperature, state-of-charge, if any significant trouble,
Such as battery over-voltage, under-voltage, excess temperature, overcurrent, shutdown charging metal-oxide-semiconductor or electric discharge metal-oxide-semiconductor are in time to reach protection battery management system
The purpose of system circuit and battery, entire car controller pass through CAN/485 and communicate, and the battery for receiving battery management module processing is related
Information judge simultaneously respective handling to the cell health state that battery management module is sent.
Claims (4)
1. a kind of anti-battery management system that casts anchor for logistics sorting vehicle, including power battery and battery management unit:
The power battery is energy source,
The battery management unit monitors power battery state, carries out charge and discharge control to power battery, the power battery exists
Battery management unit control is lower to be connect with the electric machine controller of vehicle, which is characterized in that the battery management unit includes and moves
The concatenated switch tube loop of power battery, the switch tube loop connect the output end of the power battery and connect with electric machine controller
It connects, battery management module carries out information exchange with entire car controller by AN/485 communication, and the entire car controller passes through AN/
485 communications carry out information exchange with electric machine controller, and the switch tube loop includes two concatenated switching tube compositions, described to open
Guan Guancong power battery to electric machine controller sequence is respectively charge metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor, the switching circuitry and power electric
The connection of Chi Junyu battery management module.
2. a kind of anti-battery management system that casts anchor for logistics sorting vehicle according to claim 1, which is characterized in that described
Battery management module includes the voltage collection circuit for acting on power battery, temperature collection circuit and acts on battery management unit
Current detection circuit, three parts respectively carry out monomer voltage, single battery temperature and power battery bus current real-time
Detection.
3. any a kind of control of the anti-battery management system that casts anchor for logistics sorting vehicle according to claim 1 or in 2
Method:
1) application definition of cell health state, code 0 are indicated battery health no problem by；Code 1 indicates that battery battery core exists
Failure needs depot repair；Code 2 indicates that state-of-charge error is big, need to carry out state-of-charge calibration and capacity study；3 table of code
Show that remaining capacity is less, need to preferentially be charged；Code 4 indicates that remaining capacity is few, need to be charged immediately；
2) is when battery management unit detects that battery capacity is 50%-70%, and voltage difference is greater than between battery cell
400mV, then it is assumed that there are failure, battery management module carries out alarm and sends battery health shape to entire car controller battery battery core
State 1, logistics sorting vehicle stop current transport task, directly output working region, into factory maintenance area is returned, prompt work people
Member repairs processing；
3) when battery management system detect battery capacity be 50%-70% when, and between battery cell voltage difference in 200mV-
Between 400mV, then recognize current state-of-charge error and reached the limit, it is most likely that causes different caused by being not allowed because of state-of-charge
It often casts anchor, battery management module carries out alarm and sends cell health state 2 to entire car controller, and logistics sorts vehicle and stops at present
Transport task carry out calibration maintenance into calibration region；
4) under the random capacity of battery pack, battery management system detects that minimum monomer battery voltage is less than 3.0V or stagnation pressure
Lower than 3.0*nV, the n is battery strings number, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is less, needs to charge, cell tube
Reason module carries out alarm and sends cell health state 3 to entire car controller, and logistics sorting vehicle is preferentially charged；
5) under the random capacity of battery pack, having monomer battery voltage to be less than 2.8V or stagnation pressure lower than 2.8*nV, the n is electricity
Pond string number, then it is assumed that the sorting current remaining capacity of vehicle of logistics at present is few, and battery management module alarm and to full-vehicle control
Device sends cell health state 4, and logistics sorting vehicle is charged immediately.
4. according to claim 3 it is a kind of for logistics sorting vehicle the anti-battery management system that casts anchor control method, feature
It is, the process of the calibration maintenance is that logistics sorting vehicle first gives out light battery capacity to under-voltage protection, under-voltage protection triggering,
The metal-oxide-semiconductor that discharges is cut off, and can not continue to discharge at this time, the state-of-charge calibration of under-voltage protection activated batteries management system and capacity
Learning program, then logistics sorting vehicle carries out charging to overvoltage protection with rated current, if cell voltage value is higher than battery management
The excessively high protection value of monomer voltage of system setting, overvoltage protection triggering, charging metal-oxide-semiconductor are cut off, calibration and capacity learning process
Terminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811121420.XA CN109725558A (en) | 2018-09-26 | 2018-09-26 | A kind of anti-battery management system and control method of casting anchor for logistics sorting vehicle |
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| CN201811121420.XA CN109725558A (en) | 2018-09-26 | 2018-09-26 | A kind of anti-battery management system and control method of casting anchor for logistics sorting vehicle |
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| CN109725558A true CN109725558A (en) | 2019-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339581A (en) * | 2019-08-07 | 2021-02-09 | 北京京东乾石科技有限公司 | Charging calibration method and device for transport vehicle |
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| CN203522160U (en) * | 2013-10-22 | 2014-04-02 | 深圳众鑫凯科技有限公司 | Cell protection circuit having secondary overvoltage/under-voltage protection function |
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| CN112339581A (en) * | 2019-08-07 | 2021-02-09 | 北京京东乾石科技有限公司 | Charging calibration method and device for transport vehicle |
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Application publication date: 20190507 |
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