CN105446762B - The method for updating program and program updating system of battery management system - Google Patents
The method for updating program and program updating system of battery management system Download PDFInfo
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- CN105446762B CN105446762B CN201410510529.8A CN201410510529A CN105446762B CN 105446762 B CN105446762 B CN 105446762B CN 201410510529 A CN201410510529 A CN 201410510529A CN 105446762 B CN105446762 B CN 105446762B
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Abstract
The invention discloses a kind of method for updating program of battery management system and program updating systems, wherein the described method comprises the following steps: M node layer receives control information, and M is the positive integer less than N；M node layer judges whether to receive control information for the first time；If it is determined that receiving control information for the first time, then M node layer enters burning mode, and is updated according to the control information to itself；It and if it is determined that is not to receive control information for the first time, then M node layer enters forward mode, and control information is forwarded to M+1 node layer.The method of the embodiment of the present invention, the entire CAN network of vehicle only needs an interface, the program of the i.e. renewable second layer, third layer and more CAN network layers, this method solve the defects that the second layer, third layer and more node layers need burning one by one, it significantly improves program and updates efficiency, more new procedures working hour after sale has been saved, cost is saved.
Description
Technical field
The present invention relates to the method for updating program and program of technical field of vehicle more particularly to a kind of battery management system more
New system.
Background technique
Currently, electric car becomes a kind of emerging energy vehicles due to shortage of resources, flourishing, and it is electric
Critical problem of the pond as electric car, is taken seriously.For software aspects, battery management system is exactly its core.
Since number of batteries is more, battery management system mostly uses distributed structure, and structure is as shown in Figure 1.In use, it passes through
Often the program in battery management system is updated according to actual needs.
Wherein, one of the relevant technologies software CAN (Controller Area Network, controller local area network)
The method of burning are as follows: 1 pair of 1 progress software program burning needs to connect master control CAN network by CAN burning primary control program, lead to
It crosses CAN burning auxiliary control controller software and needs to connect auxiliary control CAN network, equally need to connect by CAN burning collector software
Collector network.But after distributed system entrucking, Full Vehicle System only has 1 diagnosis interface, distributed BMS system dress
Use 1 pair 1 of software method for burn-recording that can not then update auxiliary control and collector program after vehicle, if necessary to update auxiliary control and acquisition
Device program then needs to remove distributed BMS system, brings inconvenience sharp for debugging and software upgrading.In the related technology another
The method of kind software CAN burning is that the programming system includes two parts of upper computer and lower computer, wherein host computer is user
Operation interface, slave computer are the bootstrap part of chip.The interaction of upper computer and lower computer as shown in Fig. 2, host computer and under
The interactive process of position machine are as follows: 1) decoding file.Being due to the program of burning is S19 file, after needing decoding, is sent to bottom
Machine, slave computer store data according to address；2) Route Selection.For distributed burning program, host computer is in a broadcast manner
Route requests message is sent, slave computer sends routing reply message, and host computer parses first by parsing routing reply message
Layer, the second layer, third layer interstitial content, and show each node；3) burning program.User selects the section of wanted burning
Point is clicked " burning program ", and the information such as the position of node are sent to slave computer, requestor burning, activation bottom by host computer
Machine waits for the node of burning.After slave computer is connected to message, the node start program burning, other nodes are in forwarding state at this time,
It is served only for E-Packeting；4) program is run.It after burning program success, clicks " program operation ", host computer sends program operation
Request after slave computer receives, will jump into the place of program operation.
The method of more new procedures is time-consuming, laborious in the related technology, and operates not intelligence.Optimal scheme is in the related technology
Enter update program schema from all nodes of diagnostics port path selection system, master control is updated by upper computer selecting, is then updated
Auxiliary control 1 updates 1 collector 1 ... of auxiliary control update 1 collector n ... of auxiliary control update auxiliary control n acquisition device 1 ... update auxiliary control n and adopts
Storage n, is shown in Fig. 1.The reason of leading to these disadvantages is that vehicle Power Environment Monitoring Network components are more, and distributed battery management system assembly is whole
Vehicle can only distribute a update ID to software upgrading, be unable to satisfy and update auxiliary control and collector program, if vehicle is to distribution
The battery management system second layer and third layer reserve update routine interface and can generate such as to Full Vehicle System linear speed and assembly design
The problems such as increased costs, quality risk.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of method for updating program of battery management system, and the entire CAN network of vehicle only needs one to connect
Mouthful, i.e., the program of the renewable second layer, third layer and more CAN network layers, this method solve the second layers, third layer and more
Node layer needs the defect of burning one by one, significantly improves program and updates efficiency, saved more new procedures working hour after sale, saves
Cost.
Second object of the present invention is to propose a kind of program updating system.
To achieve the goals above, the method for updating program of the battery management system of first aspect present invention embodiment, institute
Stating battery management system includes N node layer, wherein N is positive integer, comprising the following steps: and M node layer receives control information,
The M is the positive integer less than N；The M node layer judges whether to receive the control information for the first time；If it is determined that the
Once receive the control information, then the M node layer enters burning mode, and according to the control information to itself into
Row updates；And if it is determined that be not for the first time receive the control information, then the M node layer enters forward mode,
And the control information is forwarded to M+1 node layer.
The entire CAN network of the method for updating program of battery management system according to an embodiment of the present invention, vehicle only needs
One interface, i.e., the program of the renewable second layer, third layer and more CAN network layers, this method solve the second layers, third layer
And more node layers need the defect of burning one by one, significantly improve program and update efficiency, have saved more new procedures work after sale
When, save cost.
To achieve the goals above, the program updating system of second aspect of the present invention embodiment, comprising: host computer and battery
Management system, wherein the battery management system includes N node layer, wherein N is positive integer, the host computer, for that will control
Information processed is sent to the battery management system；The battery management system, for carrying out program more according to the control information
Newly, wherein after M node layer receives control information, the M node layer judges whether to receive the control letter for the first time
Breath, if it is determined that receiving the control information for the first time, then the M node layer enters burning mode, and according to the control
Information processed is updated itself, if it is determined that not being to receive the control information for the first time, then the M node layer enters
Forward mode, and the control information is forwarded to M+1 node layer, wherein the M is the positive integer less than N.
Program updating system according to an embodiment of the present invention, the entire CAN network of vehicle only need an interface, Ji Kegeng
The program of the new second layer, third layer and more CAN network layers, system solves the problem the second layer, third layer and more node layers to need
Will burning one by one defect, significantly improve program and update efficiency, saved more new procedures working hour after sale, saved cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of distributed battery management system；
Fig. 2 is the interaction figure of program updating system in the related technology；
Fig. 3 is the flow chart of the method for updating program of battery management system according to an embodiment of the invention；
Fig. 4 is the interaction schematic diagram of host computer and battery management system according to an embodiment of the invention；
Fig. 5 is the structural schematic diagram of program updating system according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Fig. 3 is the flow chart of the method for updating program of battery management system according to an embodiment of the invention.Wherein, electric
Pond management system includes N node layer, wherein N is positive integer, as shown in figure 3, the journey of the battery management system of the embodiment of the present invention
Sequence update method, comprising the following steps:
S101, M node layer receive control information, and M is the positive integer less than N.
S102, M node layer judge whether to receive control information for the first time.
S103, if it is determined that receiving control information for the first time, then M node layer enters burning mode, and according to control
Information is updated itself.
Specifically, when M node layer receives control information for the first time, burning is carried out to itself.Wherein, it controls
Program in information comprising needing to update.
S104, if it is determined that not being to receive control information for the first time, then M node layer enters forward mode, and will control
Information processed is forwarded to M+1 node layer.
Specifically, if M node layer is not to receive control information for the first time (for example, second or third time reception
To control information), then M node layer enters forward mode, and control information is forwarded to M+1 node layer.
In one embodiment of the invention, enter forward mode in M node layer and control information is forwarded to M+1
After node layer, further includes: M+1 node layer judges whether to receive control information for the first time；If it is determined that receiving for the first time
To control information, then M+1 node layer enters burning mode, and is updated according to the control information to itself；If M+1 layers
Node judgement is not to receive control information for the first time, then M+1 node layer further determines whether that there are M+2 node layers；
And if it is determined that then M+1 node layer enters forward mode, and control information is forwarded to M+2 there are M+2 node layer
Node layer.
The entire CAN network of the method for updating program of the battery management system of the embodiment of the present invention, vehicle only needs one
Interface, i.e., the program of the renewable second layer, third layer and more CAN network layers, this method solve the second layers, third layer and more
Multilayer node needs the defect of burning one by one, significantly improves program and updates efficiency, saved more new procedures working hour after sale, saves
Cost is saved.
In one embodiment of the invention, further includes: the 1st node layer receives the burning instruction that host computer is sent, and controls
Battery management system processed enters burning mode.
In an embodiment of the present invention, host computer is user interface.Wherein, burning instruction is host computer according to user
Operation generate, for example, user clicks " start burning " button of user interface, burning is then instructed and is sent by host computer
To battery management system, so that battery management system enters burning mode.
In one embodiment of the invention, before control battery management system enters burning mode, further includes: the 1st
Node layer to host computer carry out safety certification, wherein host computer through safety certification after, control battery management system enter
Burning mode.
In one embodiment of the invention, further includes: host computer is sent out according to the sequence of the 1st node layer to n-th layer node
Send every node layer corresponding control information.I.e. after battery management system is ready for burning, host computer is according to the 1st node layer
Sequence to n-th layer node sends the corresponding control information of every node layer.
Fig. 4 is the interaction schematic diagram of host computer and battery management system, as shown in figure 4, host computer is depending on the user's operation
Burning instruction is sent to battery management system, the 1st node layer of battery management system receives the burning instruction that host computer is sent,
And control battery management system and enter burning mode (i.e. battery management system fully enters CAN burning program), then cell tube
The first-level nodes burning of reason system starts, the first-level nodes receive for the first time after customary control information (i.e. control information) to from
Oneself carries out burning, and after receiving customary control information (such as second, third time) later, the first-level nodes enter forward mode,
Routine control information is forwarded to the second node layer, the second node layer controls information if it is routine is received for the first time, then right
Oneself (the second node layer) carries out burning, if receiving customary control information again later, the second node layer if enters forwarding mould
Formula, and routine control information is forwarded to third node layer, so repeat, until the burning of n-th layer node terminates, Zhi Hou electricity
All layers of nodal test process integrity of pond management system, if by the program property completed detection, battery management system
All node resets, then host computer is restarted after the completion of burning.
In the interaction of above-mentioned host computer and battery management system, no matter each layer of battery management system how many simultaneously
Interlink point, only carrying out a burning may be updated one layer of all node procedure, and the technical problem of solution is: whole burning process
If the identical message of two node returns will lead to burning failure (method in the related technology be when planning and the multiple nodes of parallel connection
Interact for 1 pair 1), it is to dominate judgement side, the another each node layer mark of distributed system that the mode that the present invention uses, which is with host computer,
Fixed different ID distinguish whether burning interaction is normally carried out by different ID, wherein and ID is the mark for distinguishing different nodes,
If the 1st node of the second layer returns to ID021, second node returns to ID022.For example, for same node layer (such as second layer section
Point) for, host computer judges each node by the information of each node burning of second layer interaction (such as: success/failure)
Whether burning succeeds；Host computer can also be used not determine that distributed system return information, i.e. host computer wait one after sending data
Section time (such as 3S) carries out next process afterwards.That is, host computer can be to each node burning during burning
Interactive information is judged, the system of closed loop confirmation is thus similar to；Host computer can not also judge each node
Burning interactive information issues data and determines without the information to following each node, by all means similar to the system of an open loop.
In order to realize above-described embodiment, the present invention also proposes a kind of program updating system.
Fig. 5 is the structural schematic diagram of program updating system according to an embodiment of the invention.As shown in figure 5, of the invention
The program updating system of embodiment, comprising: host computer 100 and battery management system 200.Wherein, battery management system 200 includes
N node layer, wherein N is positive integer.
Wherein, host computer 100 is for sending control information to battery management system 200.
Battery management system 200 for carrying out program update according to the control information, wherein M node layer receives control letter
After breath, M node layer judges whether to receive control information for the first time, if it is determined that receive control information for the first time, then M
Node layer enters burning mode, and is updated according to the control information to itself, if it is determined that not being to receive control for the first time
Information, then M node layer enters forward mode, and control information is forwarded to M+1 node layer, wherein M is just less than N
Integer.
Specifically, when M node layer receives control information for the first time, burning is carried out to itself.Wherein, it controls
Program in information comprising needing to update.If M node layer be not receive for the first time control information (for example, second or
Third time receives control information), then M node layer enters forward mode, and control information is forwarded to M+1 node layer.
In one embodiment of the invention, wherein enter forward mode in M node layer and be forwarded to control information
After M+1 node layer, M+1 node layer judges whether to receive control information for the first time, if it is determined that receiving for the first time
Information is controlled, then M+1 node layer enters burning mode, and is updated according to the control information to itself, if it is determined that not being
Receiving control information for the first time, then M+1 node layer further determines whether that there are M+2 node layers, and if it is determined that
There are M+2 node layers, then M+1 node layer enters forward mode, and control information is forwarded to M+2 node layer.
The program updating system of the embodiment of the present invention, the entire CAN network of vehicle only need an interface, i.e., and renewable the
Two layers, the program of third layer and more CAN network layers, system solves the problem the second layer, third layer and more node layers need by
The defect of one burning significantly improves program and updates efficiency, saved more new procedures working hour after sale, saved cost.
In one embodiment of the invention, the 1st node layer is also used to refer in the burning for receiving the transmission of host computer 100
After order, control battery management system 200 enters burning mode.
In an embodiment of the present invention, host computer is user interface.Wherein, burning instruction is 100 basis of host computer
What the operation of user generated, for example, user clicks " starting burning " button of user interface, host computer 100 is then by burning
Instruction is sent to battery management system 200, so that battery management system 200 enters burning mode.
In one embodiment of the invention, it before the 1st node layer control 200 burning mode of battery management system, also uses
In to host computer 100 carry out safety certification, wherein host computer 100 through safety certification after, control battery management system
200 enter burning mode.
In one embodiment of the invention, host computer 100 is specifically used for according to the suitable of the 1st node layer to n-th layer node
Sequence sends the corresponding control information of every node layer.I.e. after battery management system 200 is ready for burning, host computer 100 is pressed
The corresponding control information of every node layer is sent according to the sequence of the 1st node layer to n-th layer node.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (8)
1. a kind of method for updating program of battery management system, which is characterized in that the battery management system includes N node layer,
Wherein, N is positive integer, be the described method comprises the following steps:
1st node layer receives the burning instruction that host computer is sent, and controls the battery management system and enter burning mode；
M node layer receives control information, and the M is the positive integer less than N；
The M node layer judges whether to receive the control information for the first time；
If it is determined that receiving the control information for the first time, then the M node layer enters burning mode, and according to the control
Information processed is updated itself；And
If it is determined that not being to receive the control information for the first time, then the M node layer enters forward mode, and will be described
Control information is forwarded to M+1 node layer.
2. the method for updating program of battery management system as described in claim 1, which is characterized in that in the M node layer
It is forwarded to after M+1 node layer into forward mode and by the control information, further includes:
The M+1 node layer judges whether to receive the control information for the first time；
If it is determined that receiving the control information for the first time, then the M+1 node layer enters burning mode, and according to described
Control information is updated itself；
If it is determined that not being to receive the control information for the first time, then the M+1 node layer further determines whether exist
M+2 node layer；And
If it is determined that then the M+1 node layer enters forward mode, and the control information is turned there are M+2 node layer
It is sent to M+2 node layer.
3. the method for updating program of battery management system as described in claim 1, which is characterized in that in the control electricity
Pond management system enters before burning mode, further includes:
1st node layer to the host computer carry out safety certification, wherein the host computer by the safety certification it
Afterwards, it controls the battery management system and enters burning mode.
4. the method for updating program of battery management system as described in claim 1, which is characterized in that further include:
The host computer sends the corresponding control information of every node layer according to the sequence of the 1st node layer to n-th layer node.
5. a kind of program updating system characterized by comprising host computer and battery management system, wherein the battery management
System includes N node layer, wherein and N is positive integer,
1st node layer, for controlling the battery management system and entering after receiving the burning instruction that the host computer is sent
Burning mode；
The host computer, for sending control information to the battery management system；
The battery management system, for carrying out program update according to the control information, wherein M node layer receives control
After information, the M node layer judges whether to receive the control information for the first time, if it is determined that receiving for the first time described
Information is controlled, then the M node layer enters burning mode, and is updated according to the control information to itself, if sentenced
Disconnected is not to receive the control information for the first time, then the M node layer enters forward mode, and the control information is turned
It is sent to M+1 node layer, wherein the M is the positive integer less than N.
6. program updating system as claimed in claim 5, which is characterized in that wherein, enter forwarding mould in the M node layer
Formula and after the control information is forwarded to M+1 node layer, the M+1 node layer judges whether to receive institute for the first time
Control information is stated, if it is determined that receiving the control information for the first time, then the M+1 node layer enters burning mode, and
Itself is updated according to the control information, if it is determined that be not to receive the control information for the first time, then the M
+ 1 node layer further determines whether that there are M+2 node layers, and if it is determined that there are M+2 node layer, then the M+1
Node layer enters forward mode, and the control information is forwarded to M+2 node layer.
7. program updating system as claimed in claim 5, which is characterized in that the 1st node layer controls the battery management
System enters before burning mode, is also used to carry out safety certification to the host computer, wherein passes through in the host computer described
After safety certification, controls the battery management system and enter burning mode.
8. program updating system as claimed in claim 5, which is characterized in that the host computer is specifically used for saving according to the 1st layer
The sequence of point to n-th layer node sends the corresponding control information of every node layer.
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| CN107678415A (en) * | 2016-10-17 | 2018-02-09 | 深圳市东方之星电源有限公司 | The diagnosis of vehicle-mounted BMS based on cloud computing and maintaining method and system |
| CN107171915B (en) * | 2017-03-30 | 2020-04-07 | 苏州精控能源科技有限公司 | Communication protocol changing method and device |
| CN107678771A (en) * | 2017-10-23 | 2018-02-09 | 无锡恩吉威新能源有限公司 | A kind of method for optimizing battery management system online upgrading |
| WO2022087949A1 (en) * | 2020-10-29 | 2022-05-05 | 华为技术有限公司 | Electronic device and method for entering force loading mode |
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| CN101621411A (en) * | 2009-07-22 | 2010-01-06 | 中兴通讯股份有限公司 | Method and system for remotely updating microcontrollers |
| CN101930629A (en) * | 2010-06-09 | 2010-12-29 | 金龙联合汽车工业（苏州）有限公司 | Remote updating system and method of vehicle information collecting device |
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| US20130326494A1 (en) * | 2012-06-01 | 2013-12-05 | Yonesy F. NUNEZ | System and method for distributed patch management |
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|---|---|---|---|---|
| CN101621411A (en) * | 2009-07-22 | 2010-01-06 | 中兴通讯股份有限公司 | Method and system for remotely updating microcontrollers |
| CN101930629A (en) * | 2010-06-09 | 2010-12-29 | 金龙联合汽车工业（苏州）有限公司 | Remote updating system and method of vehicle information collecting device |
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