CN105446762A - Program updating method for battery management system, and program updating system - Google Patents
Program updating method for battery management system, and program updating system Download PDFInfo
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- CN105446762A CN105446762A CN201410510529.8A CN201410510529A CN105446762A CN 105446762 A CN105446762 A CN 105446762A CN 201410510529 A CN201410510529 A CN 201410510529A CN 105446762 A CN105446762 A CN 105446762A
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Abstract
The invention discloses a program updating method for a battery management system, and a program updating system. The method comprises the following steps that an M layer of node receives control information, wherein M is an integer less than N; the M layer of node determines whether it is the first time to receive the control information; if it is the first time to receive the control information, the M layer of node enters a programming mode and updates itself according to control information; and if it is not the first time to receive the control information, the M layer of node enters a forwarding mode and forwards the control information to an M+1 layer of node. According to the method, the whole controller area network (CAN) of a vehicle needs only one interface to update programs of a second layer, a third layer and a plurality of CAN layers. Through adoption of the method, the defect that the second layer of, the third layer of and a plurality of layers of nodes are to be programmed one by one is overcome, the program updating efficiency is greatly improved, program updating spends less time in after sale, and the cost is saved.
Description
Technical field
The present invention relates to technical field of vehicle, particularly relate to a kind of method for updating program and program updating system of battery management system.
Background technology
At present, due to shortage of resources, electric automobile becomes a kind of emerging energy vehicles, and just flourish, and battery is as the critical problem of electric automobile, comes into one's own.For software aspect, battery management system is exactly its core.Because number of batteries is many, the distributed structure of the many employings of battery management system, its structure as shown in Figure 1.In use, often to upgrade the program in battery management system according to actual needs.
Wherein, a kind of software CAN (ControllerAreaNetwork in correlation technique, controller local area network) method of burning is: 1 carries out software program burning to 1, namely need to connect master control CAN network by CAN burning primary control program, need to connect auxiliary control CAN network by CAN burning auxiliary control controller software, need to connect collector network by CAN burning collector software equally.But, after distributed system entrucking, Full Vehicle System only has 1 diagnose interface, after the entrucking of distributed BMS system use 1 to 1 software method for burn-recording then cannot upgrade auxiliary control and collector program, if need to upgrade auxiliary control and collector program, need to pull down distributed BMS system, for debugging and software upgrading bring inconvenience profit.The method of the another kind of software CAN burning in correlation technique is, this programming system comprises host computer and slave computer two parts, and wherein, host computer is user interface, and slave computer is the boot part of chip.Host computer and slave computer mutual as shown in Figure 2, the reciprocal process of host computer and slave computer is: 1) decoded file.Because the program of burning is for being S19 file, after needing decoding, send to slave computer, slave computer is according to address store data; 2) Route Selection.For distributed burning program, host computer sends route requests message in a broadcast manner, and slave computer sends routing reply message, and host computer is by resolving routing reply message, parse the interstitial content of ground floor, the second layer, third layer, and demonstrate each node; 3) burning program.User selects the node of wanted burning, and click " burning program ", the information such as the position of node are sent to slave computer, requestor burning by host computer, activates the node that slave computer treats burning.After slave computer receives message, this node start program burning, now other nodes are in forwarding state, only for E-Packeting; 4) program is run.After burning program success, click " program operation ", host computer transmission program runs request, after slave computer receives, will jump into the place of program operation.
In correlation technique the method for refresh routine time-consuming, effort, and operation not intelligent.Scheme optimum in correlation technique enters refresh routine pattern from all nodes of diagnostics port path selection system, master control is upgraded by upper computer selecting, then auxiliary control 1 is upgraded, upgrade auxiliary control 1 collector 1 ... upgrade auxiliary control 1 collector n ... upgrade auxiliary control n collector 1 ... upgrade auxiliary control n collector n, see Fig. 1.The reason of these shortcomings is caused to be that car load Power Environment Monitoring Network parts are more, distributed battery management system assembly car load can only distribute one to software upgrading and upgrade ID, cannot meet and upgrade auxiliary control and collector program, can produce as problems such as cost increase, quality risks to Full Vehicle System linear speed and assembly design if car load reserves refresh routine interface to the distributed battery management system second layer and third layer.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, one object of the present invention is the method for updating program proposing a kind of battery management system, the whole CAN network of vehicle only needs an interface, the i.e. program of the renewable second layer, third layer and more CAN network layers, this method solve the defect that the second layer, third layer and more multi-layered node need burning one by one, significantly improve program updates efficiency, save refresh routine man-hour after sale, provide cost savings.
Second object of the present invention is to propose a kind of program updating system.
To achieve these goals, the method for updating program of the battery management system of first aspect present invention embodiment, described battery management system comprises N node layer, wherein, N is positive integer, comprises the following steps: M node layer receiving control information, and described M is the positive integer being less than N; Described M node layer judges whether that first time receives described control information; If judge that first time receives described control information, then described M node layer enters burning pattern, and upgrades self according to described control information; And if judgement is not first time receive described control information, then described M node layer enters forward mode, and described control information is forwarded to M+1 node layer.
According to the method for updating program of the battery management system of the embodiment of the present invention, the whole CAN network of vehicle only needs an interface, the i.e. program of the renewable second layer, third layer and more CAN network layers, this method solve the defect that the second layer, third layer and more multi-layered node need burning one by one, significantly improve program updates efficiency, save refresh routine man-hour after sale, to provide cost savings.
To achieve these goals, the program updating system of second aspect present invention embodiment, comprising: host computer and battery management system, wherein, described battery management system comprises N node layer, wherein, N is positive integer, described host computer, for control information is sent to described battery management system, described battery management system, for carrying out program updates according to described control information, wherein, after M node layer receiving control information, described M node layer judges whether that first time receives described control information, if judge that first time receives described control information, then described M node layer enters burning pattern, and according to described control information, self is upgraded, if judge it is not first time receive described control information, then described M node layer enters forward mode, and described control information is forwarded to M+1 node layer, wherein, described M is the positive integer being less than N.
According to the program updating system of the embodiment of the present invention, the whole CAN network of vehicle only needs an interface, the i.e. program of the renewable second layer, third layer and more CAN network layers, system solves the problem the defect that the second layer, third layer and more multi-layered node need burning one by one, significantly improve program updates efficiency, save refresh routine man-hour after sale, to provide cost savings.
Accompanying drawing explanation
Fig. 1 is the structural representation of distributed battery management system;
Fig. 2 is the interaction figure that correlation technique Program upgrades system;
Fig. 3 is the process flow diagram of the method for updating program of battery management system according to an embodiment of the invention;
Fig. 4 is the mutual schematic diagram of host computer and battery management system according to an embodiment of the invention;
Fig. 5 is the structural representation of program updating system according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Fig. 3 is the process flow diagram of the method for updating program of battery management system according to an embodiment of the invention.Wherein, battery management system comprises N node layer, and wherein, N is positive integer, and as shown in Figure 3, the method for updating program of the battery management system of the embodiment of the present invention, comprises the following steps:
S101, M node layer receiving control information, M is the positive integer being less than N.
S102, M node layer judges whether that first time receives control information.
S103, if judge that first time receives control information, then M node layer enters burning pattern, and upgrades self according to control information.
Particularly, when M node layer first time receives control information, burning is carried out to self.Wherein, the program that needs upgrade is comprised in control information.
S104, if judge it is not first time receive control information, then M node layer enters forward mode, and control information is forwarded to M+1 node layer.
Particularly, if M node layer is not receive control information (such as, second time or third time receive control information) first time, 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 at M node layer and after control information is forwarded to M+1 node layer, also comprise: M+1 node layer judges whether that first time receives control information; If judge that first time receives control information, then M+1 node layer enters burning pattern, and upgrades self according to control information; If M+1 node layer judges it is not first time receive control information, then M+1 node layer judges whether existence M+2 node layer further; And if judge existence M+2 node layer, then M+1 node layer enters forward mode, and control information is forwarded to M+2 node layer.
The method for updating program of the battery management system of the embodiment of the present invention, the whole CAN network of vehicle only needs an interface, the i.e. program of the renewable second layer, third layer and more CAN network layers, this method solve the defect that the second layer, third layer and more multi-layered node need burning one by one, significantly improve program updates efficiency, save refresh routine man-hour after sale, to provide cost savings.
In one embodiment of the invention, also comprise: the 1st node layer receives the burning instruction that host computer sends, and controls battery management system and enter burning pattern.
In an embodiment of the present invention, host computer is user interface.Wherein, burning instruction is that host computer generates according to the operation of user, and such as, user clicks " beginning burning " button of user interface, and burning instruction is then sent to battery management system by host computer, enters burning pattern to make battery management system.
In one embodiment of the invention, before control battery management system enters burning pattern, also comprise: the 1st node layer carries out safety certification to host computer, wherein, after host computer through safety certification, control battery management system and enter burning pattern.
In one embodiment of the invention, also comprise: host computer sends control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.Namely, after battery management system is ready for burning, host computer sends control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.
Fig. 4 is the mutual schematic diagram of host computer and battery management system, as shown in Figure 4, burning instruction is sent to battery management system according to the operation of user by host computer, 1st node layer of battery management system receives the burning instruction of host computer transmission, and control battery management system and enter burning pattern (namely battery management system all enters CAN burning program), then the ground floor node burning of battery management system starts, ground floor node carries out burning to oneself after receiving customary control information (i.e. control information) first, afterwards (as second time, after for the third time) receiving customary control information, ground floor node enters forward mode, customary control information is forwarded to second layer node, second layer node is if receive customary control information for the first time, then burning is carried out to oneself (second layer node), if receive customary control information more afterwards, second layer node then enters forward mode, and customary control information is forwarded to third layer node, so repeat, until the burning of n-th layer node terminates, the nodal test process integrity of all layers of battery management system afterwards, if detected by completing property of program, all node resets of battery management system, then host computer is restarted after burning completes.
Above-mentioned host computer and battery management system mutual in, no matter every one deck of battery management system has how many sys nodes, only carry out a burning and all node procedures of renewable one deck, the technical barrier solved is: if two nodes return identical message and can cause burning failure (method in correlation technique be 1 to carry out 1 mutual) when the planning of overall burning flow process and the multiple node of parallel connection, the mode that the present invention adopts takes judgement side as the leading factor with host computer, each node layer of another distributed system demarcates different I D, distinguish burning by different I D whether normally to carry out alternately, wherein, ID is used to the mark distinguishing different node, as the second layer the 1st node returns ID021, second node returns ID022.Such as, for same layer node (as second layer node), by the information (such as: success/failure) that each node burning of the second layer is mutual, host computer judges that whether each node burning is successful; Also host computer can be used not judge distributed system return message, after namely wait for a period of time after host computer transmission data (as 3S), carry out next flow process.That is, in the process of burning, host computer can judge the information that each node burning is mutual, is so just similar to the system that a closed loop confirms; Host computer also can not judge the burning interactive information of each node, issues data by all means and does not judge the information of each node below, being 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 representation of program updating system according to an embodiment of the invention.As shown in Figure 5, the program updating system of the embodiment of the present invention, comprising: host computer 100 and battery management system 200.Wherein, battery management system 200 comprises N node layer, and wherein, N is positive integer.
Wherein, host computer 100 is for being sent to battery management system 200 by control information.
Battery management system 200 is for carrying out program updates according to control information, wherein, after M node layer receiving control information, M node layer judges whether that first time receives control information, if judge that first time receives control information, then M node layer enters burning pattern, and according to control information, self is upgraded, if judge it is not first time receive control information, then M node layer enters forward mode, and control information is forwarded to M+1 node layer, wherein, M is the positive integer being less than N.
Particularly, when M node layer first time receives control information, burning is carried out to self.Wherein, the program that needs upgrade is comprised in control information.If M node layer is not receive control information (such as, second time or third time receive control information) first time, then M node layer enters forward mode, and control information is forwarded to M+1 node layer.
In one embodiment of the invention, wherein, forward mode is entered and after control information is forwarded to M+1 node layer at M node layer, M+1 node layer judges whether that first time receives control information, if judge that first time receives control information, then M+1 node layer enters burning pattern, and according to control information, self is upgraded, if judge it is not first time receive control information, then M+1 node layer judges whether existence M+2 node layer further, if and judge existence M+2 node layer, 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 whole CAN network of vehicle only needs an interface, the i.e. program of the renewable second layer, third layer and more CAN network layers, system solves the problem the defect that the second layer, third layer and more multi-layered node need burning one by one, significantly improve program updates efficiency, save refresh routine man-hour after sale, to provide cost savings.
In one embodiment of the invention, the 1st node layer, also for after the burning instruction receiving host computer 100 transmission, controls battery management system 200 and enters burning pattern.
In an embodiment of the present invention, host computer is user interface.Wherein, burning instruction is that host computer 100 generates according to the operation of user, and such as, user clicks " beginning burning " button of user interface, burning instruction is sent to battery management system 200 by host computer 100, enters burning pattern to make battery management system 200.
In one embodiment of the invention, before 1st node layer controls battery management system 200 burning pattern, also for carrying out safety certification to host computer 100, wherein, after host computer 100 through safety certification, control battery management system 200 and enter burning pattern.
In one embodiment of the invention, host computer 100 is specifically for sending control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.Namely, after battery management system 200 is ready for burning, host computer 100 sends control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a method for updating program for battery management system, is characterized in that, described battery management system comprises N node layer, and wherein, N is positive integer, said method comprising the steps of:
M node layer receiving control information, described M is the positive integer being less than N;
Described M node layer judges whether that first time receives described control information;
If judge that first time receives described control information, then described M node layer enters burning pattern, and upgrades self according to described control information; And
If judge it is not first time receive described control information, then described M node layer enters forward mode, and described control information is forwarded to M+1 node layer.
2. the method for updating program of battery management system as claimed in claim 1, is characterized in that, enters forward mode and after described control information is forwarded to M+1 node layer, also comprise at described M node layer:
Described M+1 node layer judges whether that first time receives described control information;
If judge that first time receives described control information, then described M+1 node layer enters burning pattern, and upgrades self according to described control information;
If judge it is not first time receive described control information, then described M+1 node layer judges whether existence M+2 node layer further; And
If judge existence M+2 node layer, then described M+1 node layer enters forward mode, and described control information is forwarded to M+2 node layer.
3. the method for updating program of battery management system as claimed in claim 1, is characterized in that, also comprise:
1st node layer receives the burning instruction that host computer sends, and controls described battery management system and enter burning pattern.
4. the method for updating program of battery management system as claimed in claim 3, is characterized in that, before the described battery management system of described control enters burning pattern, also comprise:
Described 1st node layer carries out safety certification to described host computer, wherein, after described host computer is by described safety certification, controls described battery management system and enters burning pattern.
5. the method for updating program of battery management system as claimed in claim 3, is characterized in that, also comprise:
Described host computer sends control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.
6. a program updating system, is characterized in that, comprising: host computer and battery management system, and wherein, described battery management system comprises N node layer, and wherein, N is positive integer,
Described host computer, for being sent to described battery management system by control information;
Described battery management system, for carrying out program updates according to described control information, wherein, after M node layer receiving control information, described M node layer judges whether that first time receives described control information, if judge that first time receives described control information, then described M node layer enters burning pattern, and according to described control information, self is upgraded, if judge it is not first time receive described control information, then described M node layer enters forward mode, and described control information is forwarded to M+1 node layer, wherein, described M is the positive integer being less than N.
7. program updating system as claimed in claim 6, it is characterized in that, wherein, forward mode is entered and after described control information is forwarded to M+1 node layer at described M node layer, described M+1 node layer judges whether that first time receives described control information, if judge that first time receives described control information, then described M+1 node layer enters burning pattern, and according to described control information, self is upgraded, if judge it is not first time receive described control information, then described M+1 node layer judges whether existence M+2 node layer further, if and judge existence M+2 node layer, then described M+1 node layer enters forward mode, and described control information is forwarded to M+2 node layer.
8. program updating system as claimed in claim 6, is characterized in that, the 1st node layer, also for after the burning instruction receiving the transmission of described host computer, controls described battery management system and enters burning pattern.
9. program updating system as claimed in claim 8, it is characterized in that, described 1st node layer controls before described battery management system enters burning pattern, also for carrying out safety certification to described host computer, wherein, after described host computer is by described safety certification, controls described battery management system and enter burning pattern.
10. program updating system as claimed in claim 8, is characterized in that, described host computer, specifically for sending control information corresponding to every node layer according to the 1st node layer to the order of n-th layer node.
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| 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 |
| 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 |
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| 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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| CN105446762B (en) | 2019-09-13 |
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