CN113378497A - Data source simulation method suitable for BMS developer - Google Patents
Data source simulation method suitable for BMS developer Download PDFInfo
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- CN113378497A CN113378497A CN202110659518.6A CN202110659518A CN113378497A CN 113378497 A CN113378497 A CN 113378497A CN 202110659518 A CN202110659518 A CN 202110659518A CN 113378497 A CN113378497 A CN 113378497A
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Abstract
The invention discloses a data source simulation method suitable for BMS developers, which comprises the following operation steps: the file of the data source required by BMS development with voltage, temperature and current is inserted into the USB interface of the data source simulator circuit board through the USB disk, the format of the data source file is not limited, either EXCLE or a database CAN be used, the MCU stores the data of the USB disk into FLASH through the USB interface, the MCU sends the data in the stored data source file to the CAN interface, the 485 interface and the network interface in real time, and the BMS test board card with the corresponding interface is connected to the same interface of the data source simulator circuit board for data acquisition. The data source simulation method suitable for the BMS developer prevents the BMS developer from spending a large amount of time on hardware deployment related to the data source collected by the BMS, can provide great convenience for the BMS developer, and brings better use prospects.
Description
Technical Field
The invention relates to the technical field of battery BMS, in particular to a data source simulation method suitable for BMS developers.
Background
The method for simulating the data source is a supporting method for BMS development, batteries are widely applied to containers for measuring and storing energy of new energy vehicles and power grids at present, BMS technology is continuously developed, and when existing BMS hardware is developed, a battery pack needs to be connected and connected with the battery pack through a wiring harness, so that the temperature and the voltage of the batteries are obtained. In order to obtain current, the battery pack must be charged and discharged, so that the hardware environment for debugging the hardware circuit board of the BMS can be met, and with the continuous development of technology, the requirements of people on the manufacturing process of the data source simulation method are higher and higher.
The prior data source simulation method has certain disadvantages when in use, firstly, in order to verify and debug the BMS development circuit board, the data source (current, voltage and temperature) of the BMS circuit board comes from a battery pack and a charging and discharging machine, the prior art is to connect the BMS circuit board and the battery pack through a wire harness, connect a current sensor to a loop of the charging and discharging machine and then connect a digital signal of the current sensor to a BMS circuit board card, thus, in order to obtain the data source required by the BMS, the deployment of a large amount of hardware environment is needed, the time and the labor are consumed, the use of people is not facilitated, and the prior BMS simulation data source developed in the market is a method of making a voltage signal, a temperature signal and a current signal on a PCB, adjusting the size of the data sources through a manual gain adjusting button and displaying the numerical value through a nixie tube, but has a fatal defect, once the PCB is determined, the voltage, temperature, and current signals of the PCB are also determined, and the PCB having a specific number of data sources can only be adapted to the BMS circuit boards having the same number of data sources or less than the number of data sources of the PCB, which brings certain adverse effects to the use process of people.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the data source simulation method suitable for the BMS developer, so that the BMS developer is prevented from spending a large amount of time on hardware deployment related to the data source acquired by the BMS, great convenience can be provided for the BMS developer, and the problems in the background art can be effectively solved.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: a method of data source simulation for BMS developers, comprising the following operational steps:
s1: data source file input: the method comprises the following steps that files of data sources required by BMS development with voltage, temperature and current are inserted into a USB interface of a data source simulator circuit board through a USB flash disk, the format of the data source files is not limited, and the files can be either EXCLE or a database;
s2: and (3) data storage: the MCU stores the data of the U disk into the FLASH through the USB interface;
s3: data transmission: the MCU sends the data in the stored data source file to the CAN interface, the 485 interface and the network interface in real time;
s4: data acquisition: connecting the BMS test board card with the corresponding interface to the same interface of the data source simulator circuit board for data acquisition;
s5: logic algorithm: the BMS development board can run some control logic and algorithms after collecting the data source.
As a preferred technical solution, there are three currently mainstream communication interfaces of the BMS test board in the step S4, which are a CAN interface, a 485 interface, and a network interface.
As a preferable technical solution, the logic algorithm in the step S5 may be a control logic for temperature control, and when the temperature is higher than a certain value, the BMS is started to start the fan, and the like, and the algorithm includes SOC, SOH, and the like.
As a preferred technical scheme, the data sources of the data source simulator circuit board can be flexibly configured to meet the acquisition of different numbers of data sources, and the data of the data source file can be from battery data of laboratory tests or test data of a battery core factory.
As a preferred technical solution, the three communication interfaces of the data source simulator circuit board send data to the BMS circuit board with time scales, and the BMS collected data is saved and compared with the data of the data source file.
As a preferred technical solution, when the algorithm is an algorithm value such as SOC, SOH, etc., the SOC and SOH calculated by the BMS according to the BMS's own algorithm logic may be compared with the data collected by the BMS.
As a preferable technical solution, the steps S1, S2, S3, S4 and S5 include a usb disk with a data source, a data source simulator circuit board, a CAN chip interface, a 485 chip interface, a network chip interface and a BMS board card, the usb disk with the data source is connected to the data source simulator circuit board, the data source simulator circuit board is connected to the CAN chip interface, the 485 chip interface and the network chip interface, and the CAN chip interface, the 485 chip interface and the network chip interface are connected to the BMS board card.
As a preferred technical scheme, the output end of the usb disk with the data source is electrically connected to the input end of the data source simulator circuit board, and the output end of the data source simulator circuit board is electrically connected to the input end of the BMS board card through the CAN chip interface, the 485 chip interface, and the network chip interface.
As a preferred technical scheme, the data source simulator circuit board comprises a USB interface, a FLASH, an MCU, a CAN chip interface, a 485 chip interface, and a network chip interface, wherein the USB interface is connected with the FLASH, the FLASH is connected with the MCU, and the MCU is connected with the CAN chip interface, the 485 chip interface, and the network chip interface.
As a preferred technical scheme, the output end of the USB interface is electrically connected to the input end of the FLASH, the output end of the FLASH is electrically connected to the input end of the MCU, and the output end of the MCU is electrically connected to the input ends of the CAN chip interface, the 485 chip interface, and the network chip interface.
(III) advantageous effects
Compared with the prior art, the invention provides a data source simulation method suitable for BMS developers, which has the following beneficial effects: the data source simulation method suitable for the BMS developer CAN prevent the BMS developer from spending a large amount of time on hardware deployment related to a data source collected by the BMS, CAN provide great convenience for the BMS developer, CAN insert files of the data source required by the BMS development with voltage, temperature and current into a USB interface of a data source simulator circuit board through a U disk, does not limit the format of the data source file, CAN be EXCLE or a database, CAN store the data of the U disk into FLASH through the USB interface by an MCU, CAN send the data in the stored data source file to a CAN interface, a 485 interface and a network interface in real time by the MCU, CAN connect a BMS test board card with a corresponding interface to the same interface of the data source simulator circuit board for data collection, CAN run some control logics and algorithms after the BMS test board card collects the data source, and CAN test the current mainstream communication interfaces of the BMS, the system comprises a CAN interface, a 485 interface and a network interface, wherein a logic algorithm CAN be a control logic of temperature control, when the temperature is higher than a certain value, a fan of the BMS is started to be started, and the like, the algorithm has SOC, SOH and the like, a data source of a data source simulator circuit board CAN be flexibly configured, the acquisition of data sources with different numbers is met, the data of a data source file CAN be from battery data of laboratory tests or test data of a battery core factory, the whole data source simulation method is simple in structure and convenient to operate, and the using effect is better than that of a traditional method.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a data source simulation method suitable for BMS developers according to the present invention.
Fig. 2 is a schematic structural diagram of a data source simulator circuit board in a data source simulation method for BMS developers according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a method for data source simulation for BMS developers includes the following operation steps:
s1: data source file input: the method comprises the following steps that files of data sources required by BMS development with voltage, temperature and current are inserted into a USB interface of a data source simulator circuit board through a USB flash disk, the format of the data source files is not limited, and the files can be either EXCLE or a database;
s2: and (3) data storage: the MCU stores the data of the U disk into the FLASH through the USB interface;
s3: data transmission: the MCU sends the data in the stored data source file to the CAN interface, the 485 interface and the network interface in real time;
s4: data acquisition: connecting the BMS test board card with the corresponding interface to the same interface of the data source simulator circuit board for data acquisition;
s5: logic algorithm: the BMS development board can run some control logic and algorithms after collecting the data source.
Further, in the step S4, there are three types of currently mainstream communication interfaces of the BMS test board, which are a CAN interface, a 485 interface, and a network interface, respectively.
Further, the logic algorithm in step S5 may be a control logic for temperature control, and when the temperature is higher than a certain value, the BMS is started to start the fan, etc., and the algorithm has SOC, SOH, etc.
Furthermore, the data source of the data source simulator circuit board can be flexibly configured, the acquisition of different numbers of data sources is met, and the data of the data source file can be from battery data of laboratory tests or test data of a battery core factory.
Further, the three communication interfaces of the data source simulator circuit board send data to the BMS circuit board with time scales, and BMS collected data are stored and compared with data of the data source file.
Further, when the algorithm is an algorithm value such as SOC, SOH, etc., the SOC and SOH calculated by the BMS according to the BMS's own algorithm logic may be compared with the data collected by the BMS.
Further, the steps of S1, S2, S3, S4 and S5 include a usb disk with a data source, a data source simulator circuit board, a CAN chip interface, a 485 chip interface, a network chip interface and a BMS board card, the usb disk with the data source is connected to the data source simulator circuit board, the data source simulator circuit board is connected to the CAN chip interface, the 485 chip interface and the network chip interface, and the CAN chip interface, the 485 chip interface and the network chip interface are connected to the BMS board card.
Further, the output end of the USB flash disk with the data source is electrically connected with the input end of the data source simulator circuit board, and the output end of the data source simulator circuit board is electrically connected with the input end of the BMS board card through the CAN chip interface, the 485 chip interface and the network chip interface.
Further, the data source simulator circuit board comprises a USB interface, a FLASH, an MCU, a CAN chip interface, a 485 chip interface and a network chip interface, wherein the USB interface is connected with the FLASH, the FLASH is connected with the MCU, and the MCU is connected with the CAN chip interface, the 485 chip interface and the network chip interface.
Further, the output end of the USB interface is electrically connected with the input end of the FLASH, the output end of the FLASH is electrically connected with the input end of the MCU, and the output end of the MCU is electrically connected with the input ends of the CAN chip interface, the 485 chip interface and the network chip interface.
The working principle is as follows: the file of a data source required by BMS development with voltage, temperature and current is inserted into a USB interface of a data source simulator circuit board through a USB disk, the format of the data source file is not limited, either EXCLE or a database CAN be used, an MCU stores the data of the USB disk into FLASH through the USB interface, the MCU sends the data in the stored data source file to a CAN interface, a 485 interface and a network interface in real time, BMS test boards with corresponding interfaces are connected to the same interface of the data source simulator circuit board for data acquisition, the BMS development boards CAN run a plurality of control logics and algorithms after acquiring the data source, the BMS test boards have three types of main communication interfaces which are respectively the CAN interface, the 485 interface and the network interface, the logic algorithms CAN be the control logics of temperature control, when the temperature is higher than a certain value, a fan of the BMS is started, and the like, the algorithm has SOC, SOH etc. and the data source of data source simulator circuit board can dispose in a flexible way, satisfies the collection of the data source of different numbers, and the data of data source file can come from the battery data of laboratory test or the test data of electricity core factory all can, avoids BMS developer to spend a large amount of time on the relevant hardware deployment of data source that BMS gathered, can provide very big convenience for BMS developer.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for data source simulation suitable for BMS developers is characterized by comprising the following steps: the method comprises the following operation steps:
s1: data source file input: the method comprises the following steps that files of data sources required by BMS development with voltage, temperature and current are inserted into a USB interface of a data source simulator circuit board through a USB flash disk, the format of the data source files is not limited, and the files can be either EXCLE or a database;
s2: and (3) data storage: the MCU stores the data of the U disk into the FLASH through the USB interface;
s3: data transmission: the MCU sends the data in the stored data source file to the CAN interface, the 485 interface and the network interface in real time;
s4: data acquisition: connecting the BMS test board card with the corresponding interface to the same interface of the data source simulator circuit board for data acquisition;
s5: logic algorithm: the BMS development board can run some control logic and algorithms after collecting the data source.
2. The method of claim 1, wherein the data source simulation is performed by a BMS developer: in the step S4, there are three types of currently mainstream communication interfaces of the BMS test board, which are a CAN interface, a 485 interface, and a network interface, respectively.
3. The method of claim 1, wherein the data source simulation is performed by a BMS developer: the logic algorithm in the step S5 may be a control logic for temperature control, and when the temperature is higher than a certain value, the BMS is started to start the fan, etc., and the algorithm includes SOC, SOH, etc.
4. The method of claim 1, wherein the data source simulation is performed by a BMS developer: the data source of the data source simulator circuit board can be flexibly configured, the acquisition of different numbers of data sources is met, and the data of the data source file can be from battery data of laboratory tests or test data of a battery core factory.
5. The method of claim 1, wherein the data source simulation is performed by a BMS developer: the three communication interfaces of the data source simulator circuit board send data to the BMS circuit board with time scales, and BMS collected data are stored and compared with data of the data source file.
6. The method of claim 3, wherein the data source simulation is performed by a BMS developer: when the algorithm is the algorithm values of SOC, SOH and the like, the SOC and the SOH which are calculated by the BMS through the algorithm logic of the BMS can be compared with the data collected by the BMS.
7. The method of claim 1, wherein the data source simulation is performed by a BMS developer: the intelligent USB flash disk with the data source comprises a USB flash disk with the data source, a data source simulator circuit board, a CAN chip interface, a 485 chip interface, a network chip interface and a BMS board card in the steps of S1, S2, S3, S4 and S5, wherein the USB flash disk with the data source is connected with the data source simulator circuit board, the data source simulator circuit board is connected with the CAN chip interface, the 485 chip interface and the network chip interface, and the CAN chip interface, the 485 chip interface and the network chip interface are connected with the BMS board card.
8. The method of data source simulation for BMS developers according to claim 7, wherein: the USB flash disk with the data source is characterized in that the output end of the USB flash disk with the data source is electrically connected with the input end of the data source simulator circuit board, and the output end of the data source simulator circuit board is electrically connected with the input end of the BMS board card through the CAN chip interface, the 485 chip interface and the network chip interface.
9. The method of claim 1, wherein the data source simulation is performed by a BMS developer: the data source simulator circuit board comprises a USB interface, a FLASH, an MCU, a CAN chip interface, a 485 chip interface and a network chip interface, wherein the USB interface is connected with the FLASH, the FLASH is connected with the MCU, and the MCU is connected with the CAN chip interface, the 485 chip interface and the network chip interface.
10. The method of data source simulation for BMS developers according to claim 9, characterized in that: the output end of the USB interface is electrically connected with the input end of the FLASH, the output end of the FLASH is electrically connected with the input end of the MCU, and the output end of the MCU is electrically connected with the input ends of the CAN chip interface, the 485 chip interface and the network chip interface.
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- 2021-06-15 CN CN202110659518.6A patent/CN113378497A/en active Pending
Patent Citations (5)
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| CN102205800A (en) * | 2011-02-25 | 2011-10-05 | 南京华博科技有限公司 | Intelligent battery management system of electric car |
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Application publication date: 20210910 |