CN105874816B - Method for starting batteries management system - Google Patents
Method for starting batteries management system Download PDFInfo
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- CN105874816B CN105874816B CN201480072714.1A CN201480072714A CN105874816B CN 105874816 B CN105874816 B CN 105874816B CN 201480072714 A CN201480072714 A CN 201480072714A CN 105874816 B CN105874816 B CN 105874816B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40032—Details regarding a bus interface enhancer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5046—Resolving address allocation conflicts; Testing of addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5092—Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to the methods for starting batteries management system (1), there is the batteries management system at least one master control equipment (2) and multiple modules to control equipment (6-1,6-2, ... 6-n), the master control equipment and module control equipment are connected with each other by the first and second communication channels, wherein the first communication channel (5) is with data bus structure and second communication channel has point-to-point structure.The method includes following methods steps: controlling equipment (6-1 for the module in second communication channel by the master control equipment (2), 6-2, ... 6-n) send at least one enabling signal, equipment (6-1 is controlled by each module, 6-2, ... 6-n) itself identifier is determined after receiving the enabling signal, equipment (6-1 is controlled by each module, 6-2, ... 6-n) sent on the first communication channel (5) determined by itself identifier, received on the first communication channel (5) by the master control equipment identifier and by the master control equipment (2) check received identifier quantity and sequence.This external declaration is configured for executing the computer program, batteries management system (1), battery pack and motor vehicle of the method.
Description
Technical field
The present invention relates to for starting the battery pack pipe at least one master control equipment and multiple modules control equipment
The method of reason system, the master control equipment and module control equipment are connected with each other by the first and second communication channels, wherein
The first communication channel is with data bus structure and second communication channel has point-to-point structure.
In addition, the present invention relates to be configured for executing the computer program, batteries management system, battery of the method
Group and motor vehicle.
Background technique
Control electronics are used in automotive field more and more now, example be device for controlling engine and
Control equipment for ABS or air bag.For electrically driven vehicles, current research emphasis is that exploitation has affiliated electricity
Pond group management system, the high performance battery pack packet for controlling equipment, the batteries management system is equipped with for monitoring electricity
The functional software of pond group.The safety of battery cell and battery pack packet used by batteries management system especially guarantees and
Reliable function.The batteries management system monitoring and electric current, the electricity for controlling each battery and/or entire battery pack packet
Pressure, temperature, insulation resistance and other parameter.It can be realized management function by means of these parameters, the management function improves
Service life, reliability and the safety of battery pack system.
Batteries management system is made of lots of control equipments, and individual software functionality is transported in the control equipment
Row.Here, quantity, the different structure space of the quantity of sensor and battery module in the car dependent on battery cell
(Bauraum) distribution on obtain with master control equipment and multiple juniors for being detected directly at each battery module
The control equipment topology of the module control equipment of measurement data.Data detected control equipment between by communication channel,
Such as it is exchanged by data/address bus, such as CAN bus.Since the battery module and affiliated module that use high quantity control
Equipment, measurement data height are continually passed to master control equipment over the communication channels.Measurement frequency is generally by communication channel
Characteristic, limited for example by the bandwidth on data/address bus and by the quantity of battery module.
In order in the swapping data of module control equipment and master control equipment, it has to be possible to be assigned specifically to data
Module controls equipment.Specific identifier is required thus, the identifier be not only stored in master control equipment but also
It is stored in related module control equipment and can clearly assign mould in battery pack packet by means of the identifier
The position of block control equipment.
The known battery set management system with master control equipment and multiple modules control equipment from WO 2012/060755
System, wherein the master control equipment refers to new module control equipment in the case where master control equipment identifies a new node
Send a specific mark.Carry out to the assignment order of identifier.It is main when to the first module control devices dispatch identifier
Control equipment sends signal: the master control equipment is ready to for another module control equipment being received into complex.It is at this
In the case where system disadvantageously, assign identifier again when system starts every time.Therefore, identifier is directed to each weight of system
New starting may be differently distributed by system, so that distribution must be tracked with the time.
US 2012/268069 shows the method for assigning identifier, and wherein point to point network is used.Each from control
Control equipment triggers another from control equipment herein.
US 2011/273023 shows the method for assigning identifier in batteries management system, and wherein master control is set up
Preparation penetrates (absetzen) for assigning the first inquiry of identifier, emits after the response for obtaining the first module control equipment
Second inquiry etc..
Summary of the invention
Advantages of the present invention
It provides according to the present invention a kind of for starting at least one master control equipment and multiple modules control equipment
The method of batteries management system, the master control equipment and module control equipment are mutually interconnected by the first and second communication channels
It connects, wherein the first communication channel is with data bus structure and second communication channel has point-to-point structure, institute
Method is stated with subsequent method and step:
A) at least one is sent for module control equipment in second communication channel by the master control equipment
A enabling signal,
B) identifier of itself is determined after receiving the enabling signal by each module control equipment,
C) sends itself identified identifier on the first communication channel by each module control equipment,
D) identifier is received on the first communication channel by the master control equipment, and
E) by the master control equipment check received identifier quantity and sequence.
The control of the module described in step a) equipment is opened continually by the enabling signal from the master control equipment
It is dynamic.Alternatively it can be stated that the master control equipment emits only one enabling signal and module control equipment is set
It stands and controls equipment for sending the enabling signal to other module after being started.
The identifier arrived on first communication channel is examined in step e) by master control equipment.If the mark arrived at
The quantity and sequence of symbol are correct, then can be from correct system starting.The method introduced it is optimised in view of speed and
Permission uses in batteries management system, and the batteries management system is premised on the starting of time-critical.It is particularly advantageous
, method and step a), can b), c) and d) be run with being mutually linked about different modules control equipment, so that main control
Equipment sends enabling signal for other module control equipment in second communication channel in step a), and via
The identifier that other module control equipment are sent on first communication channel is received by master control equipment.But it equally can also be with
There are following situations: in the module control equipment for for example having had sent enabling signal for it in the first communication in step c)
Before the identifier for sending back itself on channel, master control equipment controls in the second communication channel for module in step a)
Equipment sends other enabling signal.
According to a kind of preferred embodiment, the inspection in step e) obtains the just vicious situation of what a identifier
It is lower to implement subsequent method and step:
F) module with vicious identifier is given to control equipment new identifier assignment by master control equipment.
For no the case where carrying out following optimal start-up course, whole mark in the optimal start-up course
Symbol clearly and is without error distributed, therefore is provided: mistake is corrected by master control equipment, whole without being reassigned
Identifier.
This is for example related to following situation: module control equipment has vicious memory and is no longer able to correctly read
Its identifier out.In another situation, module control equipment may for example be replaced and not have effective identifier also.
In both cases, related module control equipment will send back standard identifier, such as 0xFF, and therefore signal
Defective memory or factory's setting.
First communication channel or its communication protocol are preferably set up, so that each module control equipment is only to for certainly
The message of the identifier of body is reacted.New identifier assignment is given with vicious by master control equipment in step f)
Therefore the module control equipment of identifier can carry out advantageously on first communication channel.Module with effective identifier
Control equipment abandons the message, because module control equipment is not the receiver of message.The content of this message for example may be used
To be: " the module control equipment with identifier 0xFF obtains new effective identifier CSC2 ".
According to a kind of preferred embodiment, subsequent method and step is carried out:
G) strange identifier is received on first communication channel by each module control equipment,
H) by each module control equipment by received strange identifier compared with itself identified identifier
Compared with, and
I) by each related module control equipment for the received identifier of institute and itself identifier consistent
What situation is incremented by counter.
When sending itself identified mark on first communication channel by each module control equipment in step c)
The message can be for example marked as when symbol to the message of all users, so that message is not controlled in equipment by other module
Any one module control equipment abandons.Because first communication channel has bus structures, the bus structures include for complete
Available information for the module control equipment in portion, as long as it has been actuated while so whole modules controls equipment
The identifier of other module control equipment is received during startup.The increase of counter is used in step i): for more
A module controls the case where identical identifier of equipment utilization proves the identity of oneself, explicitly seeking on first communication channel
Location is possible.
According to a kind of improvement project of the embodiment, the inspection in step e) obtains the vicious feelings of multiple identifiers
Implement subsequent method and step in condition:
I) module with vicious identifier is given to control equipment multiple identifier assignments by master control equipment, wherein
The addressing of module control equipment with vicious identifier is carried out by means of counter.
Therefore, the method provides rollback level (R ü for the situation that more than one identifier must be assigned again
Ckfallebene).New identifier is clearly assigned to carry out by counter by master control equipment.The transmission of message is therefore again
It can be carried out on first communication channel.The method is therefore also for no this feelings for carrying out following optimal start-up course
Condition regulation: mistake is corrected by master control equipment, without whole identifiers is reassigned, in the optimal start-up course
Whole identifiers clearly and are without error distributed.
According to a kind of preferred embodiment, one or more new identifier assignments are had by master control equipment
The second of all identifiers are carried out after the module control equipment of vicious identifier to check.Thus following situation is covered: extremely
The measure that the present is implemented is not enough to successfully activation system.
For the identified situation of mistake in checking the second of identifier, symbol is preferably identified by master control equipment
Continuous and individual appointment.Each module control equipment continuously and is individually activated thus.Master control equipment
The specific identifier of device assignment is controlled to each module.After the assignment of identifier to the first module control equipment terminates
Start next module control equipment.Therefore implementation that the is linking of the assignment of identifier and therefore accelerating is impossible.It should
Processing mode is only just applied when occurring such as grave error as caused by the defect of used hardware when assigning.?
In faultless system, the method introduced enduringly has the advantages that described.
A kind of computer program is furthermore proposed according to the present invention, according to the computer program, when the computer program
When being carried out on programmable computer installation, method as described herein is performed.The computer program for example can be with
It is the module of the startup program for realizing batteries management system or for realizing the batteries management system for vehicle.Institute
Stating computer program can be stored on machine readable storage medium, such as be stored in permanent or rewritable storage medium
On, or when distributing to computer installation, such as it is stored in pocket memory, such as CD-ROM, DVD, USB stick or storage
On card.Adjunctively or alternatively in this, the computer program can in computer installation, such as on server or Cloud Server example
Such as it is provided for downloading by data network, such as internet or communication connection, such as telephone line or wireless connection.
A kind of batteries management system (BMS) is furthermore provided according to the present invention, and the batteries management system is set up use
In executing one of described method, there is the batteries management system at least one master control equipment and multiple modules to control
Equipment, the master control equipment and module control equipment are connected with each other by the first and second communication channels, wherein described first
Communication channel is with data bus structure and second communication channel has point-to-point structure.
Each module control equipment preferably has the dress for strange identifier to compare with the identifier of itself
Set and the device for keeping counter incremental, wherein the device for keeping counter incremental with for by strange identifier with from
The device coupling that the identifier of body compares.
Term " battery pack " and " battery assembly module " are in the present specification with side compatible with common language usage
Formula is used for battery or secondary battery unit.Battery pack preferably includes one or more battery group unit, the battery pack
Unit can have battery cell, battery module, module branch or battery pack packet.Battery cell is herein preferably in sky
Between on combined and on circuit engineering be connected with each other, for example serial or parallel wiring be module.Multiple modules can be formed
The so-called direct converter of battery pack (BDC, Battery Direct Converter), and the direct converter of multiple battery packs
It is formed battery pack direct converter (BDI, Battery Direct Inverter).
The motor vehicle with this battery pack is furthermore provided according to the present invention, wherein the driving of the battery pack and motor vehicle
System connection.The method is preferably applied in electrically driven vehicles, is carried out in the vehicle required for providing
The connection of a large amount of battery cells of driving voltage.
Detailed description of the invention
The embodiment of the present invention is shown in the accompanying drawings and is explained further in the description that follows.
Fig. 1 shows the first schematic diagram of batteries management system,
Fig. 2 shows the second schematic diagram of batteries management system,
Fig. 3 shows the schematic diagram of steps of a method in accordance with the invention,
Fig. 4 shows a schematic diagram of the possible start-up course of batteries management system according to the present invention,
Fig. 5 shows another schematic diagram of the possible start-up course of batteries management system according to the present invention,
Fig. 6 shows another schematic diagram of the possible start-up course of batteries management system according to the present invention,
Fig. 7 shows another schematic diagram of the possible start-up course of batteries management system according to the present invention, and
Fig. 8 shows another schematic diagram of the possible start-up course of batteries management system according to the present invention.
Specific embodiment
Batteries management system 1 in Fig. 1 includes that can also be referred to as BCU(Battery Control Unit(battery pack
Control unit) master control equipment 2 and multiple battery modules 4, the battery module be respectively provided with itself module control
Equipment 6-1,6-2 ... 6-n, the module control equipment are also referred to as CMC(Cell Module Controller(battery module
Controller).It is assigned the battery assembly module 8 with usual multiple battery cells to each battery module 4, wherein these electricity
Pond group battery is concatenated to and partly additionally in parallel, to obtain required power data using battery pack system
And energy datum.Each battery cell e.g. has the Li-ion batteries piles of 2.8 to 4.2 volts of voltage range.Master control
Control equipment 2 and module control equipment 6-1,6-2 ... communication between 6-n passes through first communication channel 5, for example total by CAN
Line and suitable interface 10,12 carry out.
Fig. 2 shows another schematic diagrames of the batteries management system 1 in Fig. 1.Batteries management system 1 in Fig. 2 is being schemed
It again include master control equipment 2 and multiple battery modules 4 in showing, there is the battery module module to control equipment 6-1,6-
2,…6-n.Battery assembly module 8 is assigned to each battery module 4.Master control equipment 2 and module control equipment 6-1,6-
2 ... the communication between 6-n by first communication channel 5 and suitable interface 10,12 and passes through the second communication channel 7 and conjunction
Suitable interface 9,11 carries out.
Second communication channel 7 can also be referred to as within the scope of this invention powers on (Power_On) signal line.Second
Communication channel 7 includes controlling from the signal line of the 2 to the first module of master control equipment control equipment 6-1, then from the first module
Another signal line of equipment 6-2 etc. is controlled to the second module by equipment 6-1 until last module controls equipment 6-n.Second
The signal line of communication channel 7 is for example controlling equipment 6-1 to second from the first module by the control of corresponding source control equipment, i.e.
By the control equipment 6-1 control of the first module in the case where the signal line of module control equipment 6-2.Master control equipment 2 can only connect
Module control equipment 6-1 is in turn switched on continuously ... 6-n.The control of such as the second module is targetedly connected by master control equipment 2
Equipment 6-2 is impossible in the configuration, because being not provided with the control equipment 6- from master control equipment 2 to each individual module
1,6-2 ... each hardware circuit of 6-n.
Fig. 3 shows a schematic diagram of the possible state when starting batteries management system 1, the battery set management system
System has for example been described about Fig. 1 and 2.First state 14 is referred to as optimal start-up course.In first state 14 according to from
Master control equipment 2 received identifier quantity and sequence there are module control equipment 6-1,6-2 ... the identifier of 6-n
Effective verifying.If an identifier is identified as mistake, battery pack pipe by master control equipment 2 in first step S1
Reason system 1 is transferred in the second state 16 from first state 14.Identifier is assigned again in the second state 16.If second
One other identification symbol is identified as mistake in step S2, then the system is transferred to the third state 18 from the second state 16.In third
More than one identifier is assigned again in state 18.If confirming completely assigning again for identifier in third step S3
Be it is required, then the system is transferred in the 4th state 20, and all identifiers are assigned again in the 4th state.Cause
This controls equipment 6-1 according to the appearance (Auspr gung) of interference, i.e., one, multiple or all modules, and whether 6-2 ... 6-n
Different measures is taken with defect, so that module controls equipment 6-1, the specific identification of 6-2 ... 6-n is possible.It can
Can, direct the 4th state 20 of confirmation in the fourth step s 4 of batteries management system 1, so that the system is from first state
14 are directly transferred in the 4th state 20.Such as when situation when starting for the first time for carrying out batteries management system 1 is such.In this situation
Under, whole modules controls equipment 6-1, and 6-2 ... 6-n can be programmed in factory side with standard identifier.
Fig. 4 shows a schematic diagram of the possible start-up course of batteries management system 1 according to the present invention.In Fig. 4
In schematically illustrate master control equipment 2 and five modules control equipment 6-1 ... the communication between 6-5.In step s 5,
Master control equipment 2 is not shown here by the second communication channel 7() send enabling signal 22, such as " Start CSC1(starting
CSC1) ".Connected because there are master control equipments 2 by the only one that second the 7 to the first module of communication channel controls equipment 6-1
It connects, so the signal is specific, so that the first module control equipment 6-1 will be stored in non-volatile memories in step s 6
Identifier 23, such as " ID CSC1 " in device send back master control equipment 2.Nonvolatile memory for example can be so-called
(electrically erasable is read-only by EEPROM(Electrically Erasable Programmable Read-Only Memory
Memory), i.e. non-volatile electronic storage assembly, the information stored can delete by electricity.
Master control equipment 2 is sent for example in another step S5 with the another of message " Start CSC2(start CSC2) "
Hereafter enabling signal 22 also sends another enabling signal.It repeatedly, is i.e. opened in the embodiment illustrated individually for each
Dynamic signal 22 shows the implementation of step S5.It can be readily appreciated that only one enabling signal can also be issued by master control equipment 2
22, the enabling signal can control equipment 6-1 from each module by the route described in Fig. 2, and 6-2 ... 6-n sets out
It is forwarded to next module control equipment 6-1,6-2 ... 6-n, so that these modules control equipment sequentially triggers.
It obtains: sending of the enabling signal 22 in the second communication channel 7 and in step s 6 identifier in step s 5
23 transmission on first communication channel 5 is run with being mutually linked.For example, logical first in step s 6 in master control equipment 2
After the identifier 23 " ID CSC1 " for having received the first module control equipment 6-1 on letter channel 5, the master control equipment is
Transmission enabling signal 22 " Start CSC4(starts CSC4) ".
Master control equipment 2 checks the correctness of identifier 23 in the step s 7.It is described to check only according to the received mark of institute
The quantity and sequence for knowing symbol 23 carry out.If the quantity and sequence of the identifier 23 arrived at are correct, batteries management system 1 is such as
Described in Fig. 3 like that in first state 14.
Fig. 5 shows another example of the start-up course of batteries management system 1 according to the present invention, wherein the example is shown
Out as described in Fig. 3 from the transition in the 14 to the second state of first state 16.In the embodiment illustrated in master control
It is communicated between control equipment 2 and three module control equipment 6-1,6-2,6-3.As described with respect to fig. 4, in step
The transmission of enabling signal 22 and identifier 23 is carried out in S5 and S6.In the step s 7 carry out received identifier 23 inspection.
It is assumed that: the second module control equipment 6-2 is defective, such as second module control equipment is with wrong
Eeprom memory and be no longer able to correctly read its identifier 23.In the case, it is stored in the second module control
Identifier 23 in the eeprom memory of control equipment 6-2 corresponds to standard identifier (so-called default ID), such as " 0xFF ".
It is identified as mistake in the inspection of second identifier symbol 23 in the step s 7.It is identified as defective module in step s 8
Control equipment 6-2 assigns new identifier 23.In step s 9, new identifier 23 is sent by first communication channel 5.Such as
The defective module control equipment 6-2 of fruit is for example with " ID 0xFF carrys out response enabling signal 22, then passes through 5 institute of first communication channel
The content of the message of transmission is, for example, that " CSC mit ID 0xFF bekommt ID CSC2(obtains ID with the CSC of ID 0xFF
CSC2) ".Because each module controls equipment 6-1,6-2,6-3 only react to the message of the identifier 23 for itself, institute
The message will be abandoned with first and third module control equipment 6-1,6-3 and only the second module control equipment 6-2 will connect
Receive the message.In step 10, module control equipment 6-2 receives new identifier 23 " CSC2 ".
A kind of possible starting method of batteries management system 1 according to the present invention, the battery pack are described about Fig. 6
Management system is reached as described in Fig. 3 in the third state 18.Illustratively again in master control equipment 2 and three moulds
It is communicated between block control equipment 6-1,6-2,6-3.As described in Figure 4 and 5, first in corresponding communication letter
The transmission of enabling signal 22 is carried out on road 5,7 in step s 5 and is identified the transmission of symbol 23 in step s 6.It is assumed that:
The second module control equipment 6-2 and third module control equipment 6-3 do not have effective identifier in shown example.Two
Module control equipment 6-2,6-3 sends back identical identifier 23, such as standard identifier " 0xFF ".In step s 11,
The module control equipment 6-2,6-3 for having sent identifier 23 receives strange identifier 23, the i.e. described module control equipment together
Read strange identifier.In step s 12 these modules control equipment 6-2,6-3 by received strange identifier and institute
The determining identifier 23 of itself compares, and it is transmitted with itself to confirm whether another module control equipment sends herein
The consistent identifier 23 of identifier 23.For received identifier 23 and itself the consistent any situation of identifier 23,
Related module control equipment 6-1,6-2,6-3 is incremented by counter.In shown example, third module controls equipment
6-3 reads the message of other invalid identifier not together, because third module control equipment is to be activated most
Vicious module afterwards controls equipment 6-3.The penultimate vicious module control equipment 6-2 being activated is read together
The message with identifier 23 is taken, the identifier and the identifier 23 of itself are consistent.It will although the first module controls equipment 6-1
Two invalid identifiers 23 are read together, however are incremented by counter, because of the mark of the invalid identifier and itself
It is inconsistent to know symbol 23.
The module control with invalid identifier 23 can clearly be addressed by master control equipment 2 now by means of counter
Control equipment 6-2,6-3.Show that two identifiers 23 are vicious in the inspection S7 of identifier 23.Therefore the system is in
In the third state 18, the third state is described about Fig. 3 and the more than one identifier in the third state
23 must be assigned again.New identifier 23 is assigned to vicious module control equipment, such as " CSC in step s 8
Hler=0 mit Z: there is CSC erh lt ID CSC3(counter=0:CSC CSC to obtain ID CSC3) " and " CSC
There is mit Z hler=1:CSC erh lt ID CSC2(counter=1:CSC CSC to obtain ID CSC2) ".In step S9
In these information sent by first communication channel 5 so that the information is provided to whole module control equipment 6-1,
6-2,6-3.Module control equipment 6-1,6-2,6-3 only with vicious identifier 23 and correct meter reading will
Message is received in step S14, because module control equipment identification is directed to the message of oneself, and is connect in step slo
By new identifier 23.
Fig. 7 shows tool, and there are five modules to control equipment 6-1,6-2,6-3, the more complicated example of 6-4,6-5, the module
Equipment is controlled to communicate by two communication channels 5,7 with master control equipment 2 as described in earlier figures.In step S5
Middle enabling signal 22 is sent to module control equipment 6-1 ..., 6-5 by master control equipment 2, and module controls in step s 6
Equipment 6-1 ..., 6-5 sends its identifier 23 on first communication channel 5.It is assumed that: module controls equipment 6-2,6-3 and 6-4 tool
There is invalid identifier 23.At the time of third module control equipment 6-3 sends its identifier 23, the identifier is by the second module
Control equipment 6-2 is received in step s 11 and in step s 12 compared with the identifier of itself 23.The control of second module
Equipment 6-2 is then incremented by its counter.The 4th module control equipment 6-4 send its identifier 23 after, the identifier by
Second and third module control equipment 6-2,6-3 receive in step s 11 and in step s 12 with itself corresponding mark
Symbol 23 compares.Second and third module control equipment 6-2,6-3 is then incremented by its counter.In inspection in the step s 7
Obtain in master control equipment 2: three identifiers 23 are vicious and consistent with each other.Therefore the system is in about figure
In the third state 18 described in 3.New identifier 23 is assigned to the second module control equipment 6-2 in step s 8, that is, is existed
It is assigned to the module that with vicious indicator 23 and meter reading is 2 in the case of this and controls equipment 6-2.In step S9
It is middle that new identifier 23 is sent to all module control equipment 6-1 by first communication channel 5 ... 6-5.Only the second mould
Block control equipment 6-2 will receive message in step S14, because of second module control equipment identification disappearing for oneself
Breath, and receive new identifier 23 in step slo.Have in another step S8 to third module control equipment 6-3, i.e.
The module that vicious identifier 23 and meter reading are 1 controls equipment 6-3 and assigns new identifier 23.In step s 9
New identifier 23 is sent to all modules by first communication channel 5 and controls equipment 6-1 ... 6-5.Only third module
Control equipment 6-3 will receive message in step S14, because third module control equipment identification is directed to the message of oneself,
And receive new identifier 23 in step slo.Similarly carry out the dividing to the 4th module control equipment 6-4 of new identifier 23
Group.In step s 13, because the system is in the third state 18 for requiring repeatedly to assign identifier 23 again, it is
Safety and by controlling equipment 6-1 to module ... the inquiry again of 6-5 is examined: correctly whether all identifiers 23
It is assigned.
Fig. 8 shows sequence of the identifier 23 between master control equipment 2 and three module control equipment 6-1,6-2,6-3
Allocating method is wherein run to the allocating method divergence.When the 4th state 20 that the system has been in described by Fig. 3
When middle, the embodiment shown in fig. 8 of start-up course can be for example set.Such as it can be described in Fig. 7
The failure of the assignment of identifier 23 is had confirmed that in second inspection S13.The original of the failure of one of the process described in Fig. 4 to 7
Because for instance it can be possible that the reading together in step 11 has failed.It is also likely to be that module control is substituted with new module control equipment
Control equipment 6-1 ... 6-n, wherein the new module control equipment has effective identifier 23, the effective identifier is
It is assigned in the system.It is also likely to be the two modules control equipment 6-1 ... being substituted in batteries management system 1
6-n.Master control equipment 2 confirms on startup: two effective identifiers 23 are not to be passed sequentially correctly.Here preferably
Ground is equally identified completely assigning again for symbol 23 according to Fig. 8.
In the case where executing the continuous and individual appointment of identifier 23 by master control equipment 2 according to Fig. 8, only
When the first module control equipment 6-1 has transmitted its identifier 23 in step s 6, master control equipment 2 can just believe another starting
Numbers 22 are sent to the second module control equipment 6-2.Only when the second module control equipment 6-2 is in step s 6 by its identifier
23 when being sent to master control equipment 2, and another enabling signal 22 is just sent to third module control in step s 5 by master control equipment 2
Control equipment 6-3.In the case where other (unshowned) module controls equipment, the method is similarly run.
The present invention is not limited to embodiment as described herein and in terms of wherein emphasized.More precisely, logical
Within the scope of crossing illustrated by claim, a large amount of changes in those skilled in the art's process range are possible.
Claims (10)
1. there is at least one master control to set up for the method for starting batteries management system (1), the batteries management system
Standby (2) and multiple modules control equipment (6-1,6-2 ... 6-n), the master control equipment and module control equipment pass through the first He
Second communication channel (5,7) is connected with each other, wherein the first communication channel (5) has data bus structure and described second
Communication channel (7) has point-to-point structure, and the method has subsequent method and step:
A) equipment (6-1,6- is controlled for the module on second communication channel (7) by the master control equipment (2)
2 ... 6-n) (S5) at least one enabling signal (22) is sent,
B) mark of itself is determined after receiving the enabling signal (22) by each module control equipment (6-1,6-2 ... 6-n)
Know symbol (23),
C) (S6) is sent on the first communication channel (5) by each module control equipment (6-1,6-2 ... 6-n) to determine
The identifier of itself (23),
D) identifier (23) are received on the first communication channel (5) by the master control equipment (2), and
E) by the master control equipment (2) check (S7) received identifier (23) quantity and sequence,
Subsequent method and step is carried out:
G) it is strange that (S11) is received on the first communication channel (5) by each module control equipment (6-1,6-2 ... 6-n)
Identifier (23),
H) by each module control equipment (6-1,6-2 ... 6-n) by the received strange identifier of institute with it is identified itself
Identifier (23) compares (S12), and
I) by each related module control equipment (6-1,6-2 ... 6-n) for institute's received identifier (23) with itself
The consistent any situation of identifier (23) is incremented by counter.
2. the method according to claim 1, wherein the inspection in step e) show that an identifier (23) has
Subsequent method and step is carried out in the case where mistake:
F) assign (S8) to the module control with vicious identifier new identifier (23) by the master control equipment (2)
Control equipment (6-1,6-2 ... 6-n).
3. the method according to claim 1, wherein the inspection in step e) show that multiple identifiers (23) have
Subsequent method and step is carried out in the case where mistake:
J) assign (S8) to the mould with vicious identifier (23) for multiple identifiers (23) by the master control equipment (2)
Block controls equipment (6-1,6-2 ... 6-n), wherein the module with vicious identifier (23) controls equipment (6-1,6-2 ...
Addressing 6-n) is carried out by means of the counter.
4. according to the method in any one of claims 1 to 3, which is characterized in that will be new by the master control equipment (2)
One or more of identifier (23) be assigned to the control of the module with vicious identifier (23) equipment (6-1,6-
2 ... 6-n) after carry out all identifiers (23) second check (S13).
5. according to the method described in claim 4, it is characterized in that, mistake the identifier (23) second check in quilt
The continuous and individual appointment of the identifier (23) is executed in the case where identification by the master control equipment (2).
6. machine readable storage medium, there is the computer program being stored thereon, the computer program for work as it is described based on
Calculation machine program executes the method according to any one of claims 1 to 5 when being carried out on programmable computer installation.
7. the batteries management system (1) for executing the method according to any one of claims 1 to 5, the battery
Group management system has at least one master control equipment (2) and multiple modules control equipment (6-1,6-2 ... 6-n), the master control
Control equipment and module control equipment are connected with each other by the first and second communication channels (5,7), wherein the first communication channel
(5) with data bus structure and second communication channel (7) has point-to-point structure.
8. batteries management system (1) according to claim 7, which is characterized in that each module controls equipment (6-1,6-
2 ... 6-n) with the device for strange identifier (23) to compare with the identifier (23) of itself and for making to count
The device that device is incremented by, wherein the device for keeping counter incremental is used for described by strange identifier (23) and itself
Identifier (23) compare device coupling.
9. the battery pack with batteries management system according to claim 7 or 8 (1).
10. the motor vehicle with battery pack according to claim 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014200321.0 | 2014-01-10 | ||
| DE102014200321.0A DE102014200321A1 (en) | 2014-01-10 | 2014-01-10 | Method for starting a battery management system |
| PCT/EP2014/079446 WO2015104204A1 (en) | 2014-01-10 | 2014-12-30 | Method for starting a battery management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105874816A CN105874816A (en) | 2016-08-17 |
| CN105874816B true CN105874816B (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201480072714.1A Active CN105874816B (en) | 2014-01-10 | 2014-12-30 | Method for starting batteries management system |
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| Country | Link |
|---|---|
| KR (1) | KR20160106064A (en) |
| CN (1) | CN105874816B (en) |
| DE (1) | DE102014200321A1 (en) |
| WO (1) | WO2015104204A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017212966A1 (en) * | 2017-07-27 | 2019-01-31 | Robert Bosch Gmbh | Calibration method for a current measuring system |
| DE102017212960A1 (en) * | 2017-07-27 | 2019-01-31 | Robert Bosch Gmbh | Calibration method for a current measuring system |
| GB2579233A (en) | 2018-11-27 | 2020-06-17 | Edwards Ltd | A method relating to controllers of a vacuum pumping and/or abatement system |
| DE102019206412A1 (en) * | 2019-05-03 | 2020-11-05 | Volkswagen Aktiengesellschaft | Battery unit and communication method in one battery unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103155344A (en) * | 2010-10-11 | 2013-06-12 | 株式会社Lg化学 | Method and system for setting up sequential ids for multiple slaves of a battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3581825B2 (en) * | 2000-09-28 | 2004-10-27 | 日立ホーム・アンド・ライフ・ソリューション株式会社 | Power storage device |
| JP4353943B2 (en) * | 2003-10-06 | 2009-10-28 | 三菱電機株式会社 | Sequence control device |
| JP4796119B2 (en) | 2008-12-09 | 2011-10-19 | 三菱重工業株式会社 | Battery device |
| US20130227316A1 (en) | 2010-11-05 | 2013-08-29 | Alelion Batteries Ab | Battery module system and method for initializing battery modules |
| KR101539689B1 (en) * | 2012-02-20 | 2015-07-27 | 주식회사 엘지화학 | System and method for identifier allowcation of multi-bms |
| KR102210890B1 (en) * | 2013-06-05 | 2021-02-02 | 삼성에스디아이 주식회사 | Battery management system, and method of managing the same |
-
2014
- 2014-01-10 DE DE102014200321.0A patent/DE102014200321A1/en active Pending
- 2014-12-30 KR KR1020167017864A patent/KR20160106064A/en not_active Application Discontinuation
- 2014-12-30 WO PCT/EP2014/079446 patent/WO2015104204A1/en active Application Filing
- 2014-12-30 CN CN201480072714.1A patent/CN105874816B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103155344A (en) * | 2010-10-11 | 2013-06-12 | 株式会社Lg化学 | Method and system for setting up sequential ids for multiple slaves of a battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105874816A (en) | 2016-08-17 |
| WO2015104204A1 (en) | 2015-07-16 |
| KR20160106064A (en) | 2016-09-09 |
| DE102014200321A1 (en) | 2015-07-16 |
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