CN117527478A - Monitoring system for power module and power module management system - Google Patents
Monitoring system for power module and power module management system Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 99
- 238000004891 communication Methods 0.000 claims abstract description 113
- 230000002452 interceptive effect Effects 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4286—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1863—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast comprising mechanisms for improved reliability, e.g. status reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
- H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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Abstract
The invention relates to a monitoring system for a power module and a power module management system, wherein the monitoring system comprises: the communication module is in communication connection with the power supply module through a plurality of compatible communication modes; the real-time monitoring module acquires real-time data of the power supply module through the communication module and displays the real-time data; the log storage module is used for acquiring operation log information pre-stored in the power supply module through the communication module and storing the operation log information; the upgrading module is used for sending the file to be updated to the power supply module through the communication module and upgrading the power supply module; the compatible multiple communication modes comprise RS485 communication and CAN communication. Under the condition of realizing compatibility with various communication modes, the invention realizes the functions of storing the operation log of the power supply module and upgrading the software on line.
Description
Technical Field
The embodiment of the invention relates to the technical field of power supply monitoring systems, in particular to a monitoring system for a power supply module and a power supply module management system.
Background
The battery management system (Battery Management System, BMS) monitoring system only provides data monitoring and parameter setting functions, utilizes a specified communication mode (RS 485 communication, CAN communication and the like) and a specified communication protocol to establish communication with the BMS power module, and the monitoring system actively requests data from the module or passively receives data from the module to realize the data monitoring and parameter setting functions, wherein the data monitoring functions are mainly used for monitoring real-time operation data of a single module in real time and recording historical operation data (such as voltage, current, fault alarm information and the like) of a plurality of modules, and the parameter setting functions are mainly used for setting one or more operation parameters of the single module.
The monitoring system has relatively single function, only provides a data monitoring function and a parameter setting function, does not provide a running log acquisition function and a software upgrading function, and can only return to a factory if the running log is required to be acquired or software is required to be updated once a module fails, thus having great influence on users and research, development and after-sales maintenance personnel.
The monitoring system and the module have single communication establishing mode, are only capable of supporting RS485 communication or only capable of supporting CAN communication, have poor compatibility, need to prepare special communication equipment and are not friendly to users.
The multi-module historical data recording function provided by the BMS power module monitoring system is to record data into the database, the monitoring system is required to be started during checking, then the data is exported from the database to the monitoring system for checking, the mode of checking the historical data is not flexible enough, and the operation is relatively complicated.
For the situation of multi-module parallel operation, the existing monitoring system can only acquire the data and the state of a single module at the same time, and other modules cannot know in time when the fault alarm state occurs.
Accordingly, there is a need to improve one or more problems in the related art as described above.
It is noted that this section is intended to provide a background or context for the technical solutions of the invention set forth in the claims. The description herein is not admitted to be prior art by inclusion in this section.
Disclosure of Invention
The invention aims to provide a monitoring system for a power module and a power module management system, and further solves the problems that a module running log cannot be acquired, software upgrading is not supported and a communication mode is single to at least a certain extent.
In a first aspect, the present invention provides a monitoring system for a power module, comprising:
the communication module is in communication connection with the power supply module through a plurality of compatible communication modes;
the real-time monitoring module acquires real-time data of the power supply module through the communication module and displays the real-time data;
the log storage module is used for acquiring operation log information pre-stored in the power supply module through the communication module and storing the operation log information;
the upgrading module is used for sending the file to be updated to the power supply module through the communication module and upgrading the power supply module;
among them, the compatible multiple communication modes include RS485 communication and controller area network (Controller Area Network, CAN) communication.
Optionally, the communication module obtains the selection information of the communication mode through the interactive interface, and is in communication connection with the power supply module according to the corresponding communication protocol; wherein the communication protocol comprises at least: iron tower protocol, modBus protocol and CAN protocol.
Optionally, the method further comprises: and the parallel operation monitoring module analyzes the real-time data of the real-time monitoring module to acquire the real-time state information of the power supply module.
Optionally, the parallel operation monitoring module displays the real-time state of the power supply module in different colors according to the real-time state information, where the real-time state at least includes: online, offline, and failed.
Optionally, when there are a plurality of power modules, the parallel operation monitoring module performs parallel display based on corresponding colors according to real-time status information of the plurality of power modules.
Optionally, the upgrade module determines whether the file to be updated is matched with the power module, and sends the file to the power module after determining that the file to be updated is matched with the power module.
Optionally, when there are a plurality of power modules, the upgrade module sends the file to be updated to the plurality of power modules through a broadcast upgrade technology.
Optionally, the method further comprises: and the oscilloscope module acquires the real-time data of the real-time monitoring module and generates a real-time data change curve for display.
Optionally, the method further comprises: and the parameter setting module is used for acquiring communication parameters which finish configuration through an interactive interface, and the communication module is in communication connection with the power supply module according to the communication parameters.
In a second aspect, the present invention provides a power module management system, including:
the power module group is internally provided with at least one power module;
a monitoring system configured as any one of the above for a power module.
The monitoring system for the power supply module realizes the functions of storing the running log of the power supply module and upgrading the software on line under the condition of being compatible with various communication modes.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
FIG. 1 shows a schematic diagram of a monitoring system for a power module in an exemplary embodiment of the invention;
FIG. 2 illustrates a schematic diagram of an interactive interface for log storage in an exemplary embodiment of the invention;
FIG. 3 illustrates a schematic diagram of an interactive interface for real-time monitoring in an exemplary embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of an interactive interface for DC control in an exemplary embodiment of the invention;
FIG. 5 illustrates a schematic diagram of an interactive interface for parameter setting in an exemplary embodiment of the present invention;
FIG. 6 illustrates a schematic diagram of a connection to an RS485 communication bus in an exemplary embodiment of the invention;
FIG. 7 illustrates a schematic diagram of a connection to a CAN communication bus in an exemplary embodiment of the invention;
FIG. 8 shows a schematic diagram of a monitoring system for a power module employing more functional modules in an exemplary embodiment of the invention;
FIG. 9 illustrates a schematic diagram of an interactive interface for parallel operation monitoring in an exemplary embodiment of the present invention;
FIG. 10 illustrates a schematic diagram of an interactive interface for firmware upgrades in an exemplary embodiment of the invention;
fig. 11 shows a schematic diagram of an interactive interface for configuring communication parameters in an exemplary embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of embodiments of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
The present invention provides a monitoring system for a power module, as shown with reference to fig. 1, comprising: the system comprises a communication module, a real-time monitoring module, a log storage module and an upgrading module.
The communication module is in communication connection with the power supply module through a plurality of compatible communication modes. And the real-time monitoring module acquires the real-time data of the power supply module through the communication module and displays the real-time data. And the log storage module acquires operation log information pre-stored in the power supply module through the communication module and stores the operation log information. And the upgrading module sends the file to be updated to the power module through the communication module and upgrades the power module.
The compatible multiple communication modes comprise RS485 communication and CAN communication.
It should be understood that referring to fig. 2, the present invention provides a function of reading an operation log of a power module, log information generated during the operation of the power module is stored in the power module, a log reading menu is clicked in a monitoring system to pop up a log reading page, after a power module label (Identity document, ID) and a log storage position are selected, the log information in the power module can be read after clicking and reading, the read log information is analyzed into corresponding data according to a protocol rule, and is written into the selected local storage position in real time, 10000 log information is supported to be read at maximum, and all log information is read when the maximum number of log information can be read is insufficient. In the reading process, interruption can be canceled at any time, normal communication can be restored, the stored log information can not be lost, and the log information can be checked at a local storage position at any time.
It should be further understood that the monitoring system can perform online upgrade on the power module, the monitoring system sends an upgrade instruction to the power module, then transmits corresponding upgrade data to the power module according to a power module request frame number, calculates an upgrade progress in real time, prompts the upgrade to be completed after the progress bar reaches 100%, and if the power module replies that the upgrade fails to the monitoring system, the monitoring system prompts the reason of the upgrade failure.
It should also be appreciated that communication may be established with the power module via a variety of communication means and a variety of protocols may be supported, with the communication means and communication protocols being selectable at the login interface: the monitoring system can establish communication with the power module through RS485 communication, a custom electric total protocol is used by default, and a plurality of protocols such as a standard electric total protocol, a custom RS485-Modbus protocol, a standard Modbus-RTU protocol and the like of the Chinese iron tower are also supported, and a custom protocol is supported. The monitoring system CAN establish communication with the power module through CAN communication, supports CAN communication equipment of a plurality of manufacturers, defaults to use a custom CAN communication protocol, and supports a custom protocol.
It should also be understood that referring to fig. 3, the monitoring system monitors the display page in real time in the interactive interface. The interactive interface of the monitoring system also holds a page of DC control (see fig. 4) and a page of parameter settings (see fig. 5).
It is further understood that the monitoring system can automatically detect the current system language environment when being started, then starts with the corresponding language, can switch the language at any time in the running process of the monitoring system, has strong internationalization compatibility, and can provide good use experience for users in various countries.
By the monitoring system for the power supply module, the functions of storing the operation log of the power supply module and upgrading the software on line are realized under the condition of being compatible with various communication modes.
Next, the respective parts of the above-described monitoring system for a power supply module in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 11.
In some embodiments, referring to fig. 6 and fig. 7, the communication module obtains selection information of a communication mode through an interactive interface, and is in communication connection with the power module according to a corresponding communication protocol; wherein the communication protocol comprises at least: iron tower protocol, modBus protocol and CAN protocol. It is to be understood that the solution provided for the problem of single communication mode is that the monitoring system is compatible with RS485 communication and CAN communication, any communication equipment CAN be used for establishing communication with the power module, and a plurality of protocols (iron tower protocol, modBus protocol, CAN protocol and the like) are supported, and the self-defined protocol is also supported, so that the monitoring system has strong compatibility in the aspect of communication.
In some embodiments, referring to the illustrations in fig. 8 and 9, the monitoring system further comprises: and the parallel operation monitoring module analyzes the real-time data of the real-time monitoring module to acquire the real-time state information of the power supply module. It is to be understood that, for the problem that the data state of only one power module can be obtained at the same time and the states of other power modules cannot be obtained when multiple power modules are connected, the invention requests the states of other power modules when data are requested, analyzes the states of other power modules according to the response data of the power modules, and displays the different states of each power module in different colors on the power module ID, so that the states of other power modules are clear at a glance. The power module data recorded by the parallel operation monitoring page can be written into the local storage in real time, the recorded data content can be checked locally at any time, and when the data is checked locally, the data of the parallel operation monitoring page can still be written normally and cannot conflict with each other.
In some embodiments, referring to fig. 9, the parallel operation monitoring module displays the real-time status of the power module in different colors according to the real-time status information, wherein the real-time status at least includes: online, offline, and failed. It should be understood that if the power module is on-line, the ID button is modified to blue, if the power module is off-line, the ID button is modified to gray and disabled, if the power module is in a fault state, the ID button is modified to red, if the power module is in an alarm state, the ID button is modified to orange, and the status of all the power modules can be determined according to the color of the ID button.
In some embodiments, referring to fig. 9, when there are a plurality of power modules, the parallel operation monitoring module performs parallel display based on corresponding colors according to real-time status information of the plurality of power modules. It should be understood that real-time status display of multiple power modules is supported to monitor 32 power modules at the same time, 32 ID buttons are provided on the main interface of the system, the power module corresponding to the ID can be monitored by clicking the ID buttons, and when the protocol specifies that analog data of the power module is read, the power module needs to reply the corresponding data and status of other power modules to monitor, analyze after receiving the data, and modify status of the ID buttons according to analysis result.
In some embodiments, referring to fig. 8 and 10, the upgrade module determines whether the file to be updated matches the power module, and sends the file to the power module after determining that the file to be updated matches. It is to be understood that the firmware upgrading page is popped up by clicking the firmware upgrading menu in the monitoring system, firstly, an upgrading file needs to be selected, after the selection is completed, the system can judge whether the file is matched with the current power module and carry out full text verification on the file, so that the upgrading file is ensured to be correct, and the power module is prevented from being halted after the upgrading is completed due to file errors; after the file inspection is passed, the system issues an upgrade instruction to the power module, the power module responds to indicate that handshake is successful, and at the moment, the monitoring and power module can improve the baud rate of communication from 9600bps to 125kbps for rapidly transmitting the upgrade file; after the handshake is successful, the power module starts to request upgrading data from the monitoring system, the monitoring system receives an instruction for requesting the upgrading data and sends the data to the power module after verification is passed, the data is transmitted in a subpackage mode because of larger upgrading files, the monitoring system calculates upgrading progress according to the number carried when the power module requests the upgrading of the power data, the upgrading progress reaches 100%, the upgrading progress is indicated to be successful, and if upgrading failure occurs, the monitoring system also prompts specific error reasons.
In some embodiments, referring to fig. 10, when there are a plurality of the power modules, the upgrade module transmits the file to be updated to the plurality of the power modules through a broadcast upgrade technique. It is to be understood that for the online upgrade function, the monitoring system not only supports single-machine upgrade, but also supports multi-parallel-machine broadcast upgrade, and CAN upgrade a plurality of modules simultaneously, both RS485 communication and CAN communication support broadcast upgrade, and for a large number of upgrade scenes, upgrade efficiency CAN be greatly improved, and time is saved. When the RS485 communication broadcast upgrading technology is adopted, due to the adoption of RS485 half-duplex communication, when the monitoring system sends data to the modules in a broadcast upgrading scene, the modules cannot respond, otherwise bus data are disordered, and the problem derived from the fact that whether each power module receives data broadcast by the monitoring system and whether the data received by the power module passes through the verification cannot be known is solved. The principle of the mark judgment method is as follows: the power modules are connected in parallel through CAN communication, the monitoring system waits for fixed time after each frame of data is sent when broadcasting and upgrading is finished, then a frame of broadcast frame for checking data transmission results is sent, the power modules with the minimum ID are competing, the power modules collect the results of the power modules for receiving the upgrade data and the online state of the power modules and send the results to the monitoring system, the monitoring system judges the receiving results after receiving the summarized data, if the power modules are online and the result of receiving the data is failure, the monitoring system resends the frame of data, and if all the data is successfully received, the monitoring system sends the next frame of data, and the cycle is completed. After all the upgrade data are transmitted, waiting for 1 minute for the power module to execute upgrade operation, and then inquiring the upgrade result by using a mark judgment method.
In some embodiments, referring to the illustration in fig. 8, the monitoring system further comprises: and the oscilloscope module acquires the real-time data of the real-time monitoring module and generates a real-time data change curve for display. It should be understood that an oscilloscope function is also built in the monitoring system, one or more data sources can be added to the oscilloscope (current, power, temperature and the like), a data change curve is automatically drawn, the change trend of data can be well reflected, and the data sources can be real-time data from communication or historical data or local data. The real-time monitored data can be directly added to an oscilloscope to generate a data change curve in real time; the operation data during multi-parallel operation can be recorded in the database, the function of recording the operation data in real time to the local is provided, the data recorded in the local can be conveniently checked at any time, the monitoring system is not required to be started and then exported from the database, and the recorded data can be used as a data source of the built-in oscilloscope.
In some embodiments, referring to the illustration in fig. 11, the monitoring system further comprises: and the parameter setting module is used for acquiring communication parameters which finish configuration through an interactive interface, and the communication module is in communication connection with the power supply module according to the communication parameters. It should be understood that the invention supports various communication modes and protocols, the monitoring system pops up a login window after being started, a user CAN select a communication mode (RS 485 communication or CAN communication) and a corresponding communication protocol to be used in the window, configure corresponding communication parameters, click to login after the configuration is completed, the monitoring system CAN operate according to the configured communication parameters, and if the user does not configure, the system operates according to default communication parameters, so that high compatibility of communication is realized. The invention not only supports single parameter setting and batch setting of single modules, but also supports parameter synchronization of multiple modules, can synchronize parameters of one module to other modules, can export parameter files, and then import the parameter files to other modules for batch setting, and has flexible and changeable setting modes.
The invention also provides a power module management system, which comprises: the power module group and the monitoring system.
Wherein, at least one power module is arranged in the power module group. The monitoring system is configured as the monitoring system for a power module of any one of the above.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. The specification and examples are to be regarded in an illustrative manner only.
Claims (10)
1. A monitoring system for a power module, comprising:
the communication module is in communication connection with the power supply module through a plurality of compatible communication modes;
the real-time monitoring module acquires real-time data of the power supply module through the communication module and displays the real-time data;
the log storage module is used for acquiring operation log information pre-stored in the power supply module through the communication module and storing the operation log information;
the upgrading module is used for sending the file to be updated to the power supply module through the communication module and upgrading the power supply module;
the compatible multiple communication modes comprise RS485 communication and CAN communication.
2. The monitoring system for a power module according to claim 1, wherein the communication module obtains selection information of a communication mode through an interactive interface, and is in communication connection with the power module according to a corresponding communication protocol; wherein the communication protocol comprises at least: iron tower protocol, modBus protocol and CAN protocol.
3. The monitoring system for a power module of claim 1, further comprising: and the parallel operation monitoring module analyzes the real-time data of the real-time monitoring module to acquire the real-time state information of the power supply module.
4. The monitoring system for a power module of claim 3, wherein the parallel operation monitoring module displays the real-time status of the power module in different colors according to the real-time status information; wherein the real-time status includes at least: online, offline, and failed.
5. The monitoring system for power modules according to claim 4, wherein when there are a plurality of the power modules, the parallel operation monitoring module performs parallel display based on the corresponding colors according to real-time status information of the plurality of the power modules.
6. The monitoring system for a power module according to claim 1, wherein the upgrade module determines whether the file to be updated matches the power module, and sends the file to the power module after determining that the file to be updated matches the power module.
7. The monitoring system for power modules of claim 6, wherein the upgrade module transmits the file to be updated to a plurality of the power modules by a broadcast upgrade technique when a plurality of the power modules are present.
8. The monitoring system for a power module of any of claims 1-7, further comprising: and the oscilloscope module acquires the real-time data of the real-time monitoring module and generates a real-time data change curve for display.
9. The monitoring system for a power module of any of claims 1-7, further comprising: and the parameter setting module is used for acquiring communication parameters which finish configuration through an interactive interface, and the communication module is in communication connection with the power supply module according to the communication parameters.
10. A power module management system, the power module management system comprising:
the power module group is internally provided with at least one power module;
a monitoring system arranged as claimed in any one of claims 1 to 9 for a power supply module.
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