Modular management method and related equipment for power supply management system
The modular power supply management system monitors the plug-in/plug-out status of power modules in real time, automatically obtains communication addresses and establishes MODBUS protocol connections, solving the problem of difficult expansion of traditional power supply systems and improving flexibility and scalability.
Patent Information
- Application Number
- CN202511770109.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2045-11-28
AI Technical Summary
Traditional power supply systems adopt a centralized design, with power supply units and interface circuits fixedly integrated. This means that the entire system needs to be replaced when expanding capacity. The system is not compatible with different power supply specifications, and different power supply specifications cannot be mixed and deployed, thus limiting the system's flexibility.
It adopts a modular design, including multiple power modules, interface modules and core control modules. The core control module monitors the plugging and unplugging status of the power modules in real time, automatically obtains the communication address, establishes a communication connection based on the MODBUS protocol, and periodically reads power supply parameter data and generates control commands.
It enables flexible plugging and unplugging and combination of power modules, improving the flexibility and scalability of the power management system and reducing hardware modification costs.
Smart Images

Figure CN121238824B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of power supply management technology, and in particular to a modular management method and related equipment for a power supply management system. Background Technology
[0002] In scenarios such as data centers and industrial automation, power supply systems need to provide different power specifications (e.g., AC12V / 24V, DC5V / 12V) for diverse devices (such as servers, sensors, and controllers). Traditional power supply systems adopt a centralized design, with power supply units and interface circuits fixedly integrated in a single chassis. The output voltage / power cannot be dynamically adjusted, and expansion requires the replacement of the entire system or the addition of independent power supply equipment, resulting in complex and costly hardware modifications. Furthermore, different power supply specifications cannot be mixed and deployed, limiting system flexibility.
[0003] Therefore, existing technologies still need to be improved and developed. Summary of the Invention
[0004] This invention provides a modular management method and related equipment for a power supply management system. The main objective of this invention is to solve the technical problems mentioned in the background section of the prior art.
[0005] The first aspect of this invention provides a modular management method for a power supply management system. The power supply management system includes multiple power modules designed based on different power supply requirements, multiple interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the multiple power modules and the multiple interface modules. The interface modules are connected to the power modules and distribute power to the load devices. The modular management method includes:
[0006] The core control module monitors the plugging / unplugging status of the hot-swappable power modules in the system in real time.
[0007] When the insertion of the power module is detected, the communication address of the power module is automatically obtained and stored in the address table;
[0008] Based on the communication address, a communication connection is established with the power module via the MODBUS protocol;
[0009] Periodically read power supply parameter data from the power module, the power supply parameter data including voltage, current and power;
[0010] Control commands are generated based on the power supply parameter data or user instructions, and the control commands are sent to the power module for execution via the MODBUS protocol.
[0011] In an optional embodiment of the first aspect of the present invention, the real-time monitoring of the plug-in / plug-out status of the hot-swappable power module in the system via the core control module includes:
[0012] The core control module controls the GPIO ports of the PCA9555 chip based on the I2C protocol to detect changes in the voltage levels of each slot in the system in real time.
[0013] When the system detects that the voltage level of the slot changes from high to low, it is determined that the power module has been inserted into the system.
[0014] In an optional embodiment of the first aspect of the present invention, the step of automatically obtaining the communication address of the power module and storing it in the address table when the insertion of the power module is detected includes:
[0015] The PCA9548 chip is controlled via the I2C protocol to select the target slot channel into which the power module is inserted.
[0016] Read the GPIO port status of the PCA8574 chip connected to the target slot channel;
[0017] The GPIO port status of the PCA8574 chip is mapped to the slave device address of the MODBUS protocol as the communication address of the power module.
[0018] In an optional embodiment of the first aspect of the present invention, the step of periodically reading power supply parameter data from the power module includes:
[0019] Periodically send query messages to the power module, wherein the query message includes a communication address field of the power module with the slave device address as the communication address field, a function code field, a start register address field, a register quantity field, and a CRC check field;
[0020] The response message returned by the power module is parsed, and the power supply parameter data in the register is extracted from the response message.
[0021] In an optional embodiment of the first aspect of the present invention, generating control commands based on the power supply parameter data or user instructions includes:
[0022] When the voltage or current exceeds a preset threshold, a power-off command is generated, and a control message for the power-off command is constructed. The control message includes a communication address field (using the device address as the communication address of the power module), a function code field, a target register address field, an instruction data field, and a CRC check field.
[0023] In an optional embodiment of the first aspect of the present invention, the step of generating control commands based on the power supply parameter data or user instructions further includes:
[0024] The output parameters of the power module are dynamically adjusted according to the configuration instructions in the system user interface.
[0025] When a new interface module is added, the interface type of the interface module is automatically identified and a matching power module is assigned.
[0026] In an optional embodiment of the first aspect of the present invention, each power module is designed based on different specifications, each specification of the power module has different voltage output and power capacity, each power module has a unified interface standard, and each power module has a built-in metering IC for measuring power supply parameter data and an MCU chip for independent communication with the core control module.
[0027] A second aspect of the present invention provides a modular management device for a power supply management system. The power supply management system includes multiple power modules designed based on different power supply requirements, multiple interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the multiple power modules and the multiple interface modules. The interface modules are connected to the power modules and distribute power to the load devices. The modular management device includes:
[0028] The status monitoring module is used to monitor the plugging / unplugging status of the hot-swappable power supply module in the system in real time through the core control module.
[0029] The address acquisition module is used to automatically acquire the communication address of the power module and store it in the address table when the power module is detected to be inserted.
[0030] A communication establishment module is used to establish a communication connection with the power module based on the communication address via the MODBUS protocol;
[0031] The data reading module is used to periodically read power supply parameter data from the power module, the power supply parameter data including voltage, current and power;
[0032] The power supply control module is used to generate control commands based on the power supply parameter data or user instructions, and send the control commands to the power supply module for execution via the MODBUS protocol.
[0033] A third aspect of the present invention provides a modular management device for a power supply management system, the modular management device for the power supply management system comprising: a memory and at least one processor, wherein the memory stores instructions, and the memory and the at least one processor are interconnected via a line;
[0034] The at least one processor invokes the instructions in the memory to cause the modular management device of the power supply management system to execute the modular management method of the power supply management system as described in any one of the first aspects of the present invention.
[0035] A fourth aspect of the present invention provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements a modular management method of a power supply management system as described in any one of the first aspects of the present invention.
[0036] Beneficial Effects: This invention provides a modular management method and related equipment for a power supply management system. The system includes multiple power modules designed for different power supply needs, multiple interface modules adapted to different types of load devices, and a core control module. The method includes real-time monitoring of the insertion and removal status of hot-swappable power modules in the system through the core control module; automatically obtaining the communication address of the power module and storing it in an address table when a power module is detected; establishing a communication connection with the power module based on the communication address; periodically reading power supply parameter data from the power module; generating control commands based on the power supply parameter data or user instructions, and sending the control commands to the power module for execution. This invention improves the flexibility and scalability of power supply management by dividing the power supply management system into a combination design of multiple power modules, multiple interface modules, and a core control module. These power modules and interface modules can be flexibly combined based on actual power supply scenarios. Attached Figure Description
[0037] Figure 1 This is a schematic diagram of an embodiment of the modular architecture of a power supply management system according to the present invention;
[0038] Figure 2 This is a schematic diagram illustrating one embodiment of the main steps of a modular management method for a power supply management system according to the present invention;
[0039] Figure 3 This is a schematic diagram of an embodiment of a modular management device for a power supply management system according to the present invention;
[0040] Figure 4 This is a schematic diagram of an embodiment of a modular management device for a power supply management system according to the present invention. Detailed Implementation
[0041] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" or "having" and any variations thereof are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0042] For ease of understanding, the specific process of the embodiments of the present invention is described below. The first aspect of the present invention provides a modular management method for a power supply management system. Please refer to [link to relevant documentation]. Figure 1 The power supply management system includes multiple power modules designed based on different power supply requirements, multiple interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the multiple power modules and the multiple interface modules. The interface modules are connected to the power modules and distribute power to the load devices.
[0043] In this invention, the power supply module functions to provide power output of different specifications. The power supply module has the following characteristics: (1) Diversification: It provides multiple AC / DC voltages (such as AC12V, AC24V, DC5V, DC12V) and different power capacities. (2) Standardized interface: All power supply modules use a unified physical and electrical interface and can be hot-swapped into the slots provided by the system. (3) Plug and play: To increase power supply capacity, simply insert a new module; to replace / upgrade, simply replace a specific module. (4) Intelligent sensing: The built-in metering IC (such as ADE7953) measures key parameters (voltage, current, power, energy), and the data is processed by the onboard MCU (such as AT89C51) and reported through the RS485 interface. That is, in an optional embodiment of this invention, each power supply module is designed based on different specifications, each specification of the power supply module has different voltage output and power capacity, each power supply module has a unified interface standard, and each power supply module has a built-in metering IC for measuring power supply parameter data and an MCU chip for independent communication with the core control module.
[0044] In this invention, the interface module's main function is to connect the power supply module to various electrical devices. The interface module has the following characteristics: (1) Diversification: It provides different types of physical interfaces (such as sockets of different specifications, terminal blocks, etc.). (2) Standardized design: The connection with the power supply module adopts a standard interface, and the quantity and type can be flexibly configured. (3) On-demand configuration: The interface module can be added or removed or the interface type can be changed according to the actual needs of the connected devices.
[0045] In this invention, the core control module functions primarily as the brain and coordination center of the system. The core control module has the following characteristics: (1) Coordination control: managing the operation of all power modules and device interface modules. (2) Status monitoring: collecting and processing data such as voltage, current, and power from each power module in real time. (3) Providing main control logic: executing software processes.
[0046] See Figure 2 The modular management method includes:
[0047] S100. The core control module monitors the insertion and removal status of the hot-swappable power modules in the system in real time. In this invention, the slot detection technology mainly uses the I2C protocol + PCA9555 (I / O expansion chip). The principle is to detect which physical slot the power module is inserted into, and use the GPIO port status change (high / low level) of the PCA9555 chip to determine the insertion and removal event.
[0048] In an optional embodiment of step S100 of the present invention, the real-time monitoring of the insertion and removal status of the hot-swappable power modules in the system by the core control module includes: controlling the GPIO port of the PCA9555 chip based on the I2C protocol by the core control module to detect the level changes of each slot in the system in real time; when the level of a slot in the system is detected to change from high to low, it is determined that the power module is inserted in the system.
[0049] S200. When the insertion of the power module is detected, the communication address of the power module is automatically obtained and stored in the address table. In this invention, the address acquisition technology mainly uses I2C protocol + PCA9548 (I2C multiplexer) + PCA8574 (I / O expansion chip, installed on the power module). The working principle is that when a new power module is detected, the corresponding channel is selected through PCA9548. The GPIO status of the PCA8574 of the power module on that channel is read through I2C. The GPIO status of PCA8574 is determined by the hardware settings on the power module (such as DIP switches or resistor networks), and this status encodes the Modbus slave address of the power module. The master controller obtains and stores this address for subsequent communication.
[0050] In an optional embodiment of step S200 of the present invention, the step of automatically obtaining the communication address of the power module and storing it in the address table when the power module is detected to be inserted includes: controlling the PCA9548 chip to select the target slot channel into which the power module is inserted via the I2C protocol; reading the GPIO port status of the PCA8574 chip connected to the target slot channel; and mapping the GPIO port status of the PCA8574 chip to the slave device address of the MODBUS protocol as the communication address of the power module.
[0051] S300. Based on the communication address, establish a communication connection with the power module via the MODBUS protocol. In this invention, the communication control technology mainly uses the Modbus RTU protocol (based on the RS485 physical layer). The function is to communicate with the MCU on each of the power modules via the Modbus protocol according to the communication address in the address table.
[0052] S400. Periodically read power supply parameter data from the power supply module. This power supply parameter data includes voltage, current, and power. In this invention, the data reading process mainly involves sending a Modbus read register command (function code 0x03) to a specified slave address to request data such as voltage, current, and power (this data is stored in specific registers of the power supply module's MCU chip, such as register 0000 storing voltage and current data in the example). The response processing mainly involves parsing the data frame returned by the power supply module (containing address, function code, data length, data value, and CRC checksum).
[0053] In an optional embodiment of the first aspect of the present invention, the step of periodically reading power supply parameter data from the power module includes: periodically sending a query message to the power module, wherein the query message includes a communication address field (using the device address as the communication address of the power module), a function code field, a start register address field, a register quantity field, and a CRC check field; parsing the response message returned by the power module, and extracting the power supply parameter data in the register from the response message.
[0054] S500: Generate control commands based on the power supply parameter data or user instructions, and send the control commands to the power module for execution via the MODBUS protocol. In this invention, the core control module receives and processes the real-time power data (voltage, current, power, etc.) of the power module. Based on preset strategies (such as overvoltage protection, overcurrent protection, load balancing) or user instructions, it generates control commands (such as turning a specific power output on / off). These control commands are then sent to the power module for execution. The process of sending control commands can involve sending Modbus write register or write coil commands (such as function codes 0x06, 0x10, 0x05, 0x0F) to a specified slave address to control the power supply status and switching status of the power module, etc.
[0055] In an optional embodiment of step S500 of the present invention, generating control commands based on the power supply parameter data or user instructions includes: when the voltage or current exceeds a preset threshold, generating a power-off command and constructing a control message for the power-off command. The control message includes a communication address field (using the device address as the communication address of the power module), a function code field, a target register address field, an instruction data field, and a CRC check field. Generating control commands based on the power supply parameter data or user instructions further includes: dynamically adjusting the output parameters of the power module according to configuration instructions from the system user interface; and automatically identifying the interface type of the interface module and assigning a matching power module when a new interface module is added. The user interface of the present invention can display the overall system status (status of each module, power supply parameters, alarm information) to the user and receive control commands input by the user (such as manually switching an output on / off or setting parameters). The user commands are then transmitted to the power module for execution.
[0056] The overall process of the modular management method of the power supply management system of this invention can be summarized as follows: Initialization: The system starts up and initializes the hardware (PCA9555, PCA9548, RS485 port) and software modules (Modbus stack). Slot detection: The PCA9555 is periodically scanned to detect slot status changes (insertion / removal). Address acquisition: Upon detection of an insertion event, the Modbus address of the newly inserted power module is read via PCA9548 and PCA8574 and stored in the address table. Communication establishment: Based on the address in the address table, the communication control mechanism attempts to establish a Modbus connection (polling) with the power module at that address. Data reading and control (loop): The communication control mechanism periodically polls all online power modules to read key parameters. The communication control mechanism transmits the read data to the core control module. The core control module analyzes the data and makes logical judgments (such as protection, policy execution, and responding to user commands). The core control module sends the control commands to be executed to the communication control mechanism. The communication control mechanism sends control commands to the target power module via Modbus. User interaction (continuous): The user interface continuously displays status information. The user inputs commands through the interface → the commands are transmitted to the core control module → triggering the control process.
[0057] In summary, the main innovations of this invention are: Hardware modularization + standardized interface: This core innovation enables flexible plug-in and combination at the physical level. Intelligent power modules: Each power module has its own metering and microcontroller, becoming an intelligent slave node. Automatic discovery and addressing: Physical plug-in detection is performed using the PCA9555, and automatic address reading is achieved using the PCA9548 (I2CMUX) + PCA8574 (GPIO Expander). The software automatically identifies and manages new modules. Standardized communication protocol (Modbus RTU over RS485): This enables reliable and standardized data exchange and control between the master controller and numerous intelligent power modules. Layered software architecture: Clear module division (detection, addressing, communication, management, interface) makes the software structure clear, easy to maintain, and expandable. Automated workflow: From module insertion detection → address acquisition → communication establishment → data acquisition → status monitoring → control execution → user interaction, a complete automated closed loop is formed.
[0058] See Figure 3 The second aspect of the present invention provides a modular management device for a power supply management system. The power supply management system includes multiple power modules designed based on different power supply needs, multiple interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the multiple power modules and the multiple interface modules. The interface modules are connected to the power modules and distribute power to the load devices. The modular management device includes:
[0059] The status monitoring module 10 is used to monitor the plugging and unplugging status of the hot-swappable power supply module in the system in real time through the core control module.
[0060] Address acquisition module 20 is used to automatically acquire the communication address of the power module and store it in the address table when the power module is detected to be inserted.
[0061] The communication establishment module 30 is used to establish a communication connection with the power module based on the communication address via the MODBUS protocol;
[0062] The data reading module 40 is used to periodically read power supply parameter data from the power module, the power supply parameter data including voltage, current and power;
[0063] The power supply control module 50 is used to generate control commands based on the power supply parameter data or user instructions, and send the control commands to the power supply module for execution via the MODBUS protocol.
[0064] In an optional embodiment of the second aspect of the present invention, the status monitoring module includes:
[0065] The slot level monitoring unit is used to control the GPIO port of the PCA9555 chip based on the I2C protocol through the core control module to detect the level status changes of each slot in the system in real time.
[0066] The module insertion determination unit is used to determine that the power module has been inserted into the system when the level state of the slot is detected to change from high to low.
[0067] In an optional embodiment of the second aspect of the present invention, the address acquisition module includes:
[0068] A slot channel selection unit is used to control the PCA9548 chip to select the target slot channel into which the power module is inserted via the I2C protocol.
[0069] The port status acquisition unit is used to read the GPIO port status of the PCA8574 chip connected to the target slot channel;
[0070] The address mapping unit is used to map the GPIO port status of the PCA8574 chip to the slave device address of the MODBUS protocol as the communication address of the power module.
[0071] In an optional embodiment of the second aspect of the present invention, the data reading module includes:
[0072] The query message sending unit is used to periodically send query messages to the power module, wherein the query message includes a communication address field of the power module with the slave device address as the communication address field, a function code field, a start register address field, a register quantity field, and a CRC check field;
[0073] The response message parsing unit is used to parse the response message returned by the power module and extract the power supply parameter data in the register from the response message.
[0074] In an optional embodiment of the second aspect of the present invention, the power supply control module includes:
[0075] The parameter control unit is used to generate a power-off command when the voltage or current exceeds a preset threshold, and to construct a control message for the power-off command. The control message includes a communication address field (using the device address as the communication address of the power module), a function code field, a target register address field, an instruction data field, and a CRC check field.
[0076] In an optional embodiment of the second aspect of the present invention, the power supply control module further includes:
[0077] The user instruction control unit is used to dynamically adjust the output parameters of the power module according to the configuration instructions of the system user interface; when a new interface module is added, the interface type of the interface module is automatically identified and a matching power module is assigned.
[0078] In an optional embodiment of the second aspect of the present invention, each power module is designed based on different specifications, each specification of the power module has different voltage output and power capacity, each power module has a unified interface standard, and each power module has a built-in metering IC for measuring power supply parameter data and an MCU chip for independent communication with the core control module.
[0079] Figure 4This is a schematic diagram of the structure of a modular management device for a power supply management system provided in an embodiment of the present invention. The modular management device for the power supply management system can vary significantly due to differences in configuration or performance. It may include one or more processors 60 (central processing units, CPUs) (e.g., one or more processors) and memory 70, and one or more storage media 80 (e.g., one or more mass storage devices) for storing application programs or data. The memory and storage media can be temporary or persistent storage. The program stored in the storage media may include one or more modules (not shown in the diagram), each module including a series of instruction operations on the modular management device of the power supply management system. Furthermore, the processor may be configured to communicate with the storage media and execute the series of instruction operations in the storage media on the modular management device of the power supply management system.
[0080] The modular management device of the power supply management system of the present invention may further include one or more power supplies 90, one or more wired or wireless network interfaces 100, one or more input / output interfaces 110, and / or one or more operating systems, such as Windows Server, Mac OS X, Unix, Linux, FreeBSD, etc. Those skilled in the art will understand that... Figure 4 The modular management equipment structure of the power supply management system shown does not constitute a limitation on the modular management equipment of the power supply management system. It may include more or fewer components than shown, or combine certain components, or have different component arrangements.
[0081] The present invention also provides a computer-readable storage medium, which can be a non-volatile computer-readable storage medium or a volatile computer-readable storage medium, wherein the computer-readable storage medium stores instructions that, when executed on a computer, cause the computer to perform the steps of the modular management method of the power supply management system.
[0082] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working process of the system or system / unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.
[0083] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.
[0084] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A modular management method for a power management system, characterized in that, The power supply management system comprises a plurality of power supply modules designed based on different power supply requirements, a plurality of interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the plurality of power supply modules and the plurality of interface modules, the interface modules being connected to the power supply modules and distributing power supply to the load devices, and the modular management method comprises: real-time monitoring, by the core control module, of the plugging state of the hot-pluggable power supply modules in the system; when the power supply module is detected to be plugged in, automatically obtaining the communication address of the power supply module and storing it in an address table; based on the communication address, establishing a communication connection with the power supply module through a MODBUS protocol; periodically reading power supply parameter data from the power supply module, the power supply parameter data including voltage, current and power; generating a control command according to the power supply parameter data or a user instruction, and sending the control command to the power supply module for execution through the MODBUS protocol; the real-time monitoring, by the core control module, of the plugging state of the hot-pluggable power supply modules in the system comprises: controlling, by the core control module based on an I2C protocol, the GPIO port of a PCA9555 chip to real-time detect the level state change of each slot in the system; when the level state of the slot in the system is detected to change from high to low, it is determined that the power supply module is plugged in; the automatically obtaining, when the power supply module is detected to be plugged in, of the communication address of the power supply module and storing it in an address table comprises: controlling a PCA9548 chip through an I2C protocol to select the target slot channel into which the power supply module is plugged; reading the GPIO port state of a PCA8574 chip connected to the target slot channel; mapping the GPIO port state of the PCA8574 chip as the slave device address of the MODBUS protocol as the communication address of the power supply module.
2. The modular management method of power supply management system according to claim 1, characterized in that, the periodically reading power supply parameter data from the power supply module comprises: periodically sending a query packet to the power supply module, wherein the query packet comprises a slave device address as a communication address field of the power supply module, a function code field, a starting register address field, a register quantity field and a CRC check field; parsing the response packet returned by the power supply module and extracting the power supply parameter data in the register from the response packet.
3. The modular management method of power supply management system according to claim 1, characterized in that, the generating a control command according to the power supply parameter data or a user instruction comprises: when it is monitored that the voltage or current exceeds a preset threshold, generating a power-off instruction, and constructing a control packet of the power-off instruction, the control packet comprising a slave device address as a communication address field of the power supply module, a function code field, a target register address field, an instruction data field and a CRC check field.
4. The modular management method of power supply management system according to claim 3, characterized in that, the generating a control command according to the power supply parameter data or a user instruction further comprises: dynamically adjusting the output parameters of the power supply module according to the configuration instruction of the system user interface; when the interface module is added, automatically identifying the interface type of the interface module and assigning a matching power supply module.
5. The modular management method of power management system according to claim 1, characterized in that, Each of the power supply modules is designed based on different specifications, each of the power supply modules of each specification has different voltage output and power capacity, each of the power supply modules has a unified interface standard, and each of the power supply modules is internally provided with a metering IC for measuring power supply parameter data and an MCU chip for independent communication with the core control module.
6. A modular management device for a power management system, characterized by The power supply management system includes a plurality of power supply modules designed based on different power supply requirements, a plurality of interface modules adapted to different types of load devices, and a core control module for coordinating the operation of the plurality of power supply modules and the plurality of interface modules, the interface modules are connected to the power supply modules and distribute power to the load devices, and the modular management device includes: A state monitoring module for monitoring the insertion and removal state of the hot-pluggable power supply modules in the system in real time through the core control module; An address acquisition module for automatically acquiring the communication address of the power supply module and storing it to an address table when detecting the insertion of the power supply module; A communication establishment module for establishing a communication connection with the power supply module based on the communication address through the MODBUS protocol; A data reading module for periodically reading power supply parameter data from the power supply module, the power supply parameter data including voltage, current and power; A power supply control module for generating a control command according to the power supply parameter data or user instruction and sending the control command to the power supply module for execution through the MODBUS protocol; The state monitoring module includes: A slot level monitoring unit for detecting the level state change of each slot in the system in real time through the core control module based on the I2C protocol control of the GPIO port of the PCA9555 chip; A module insertion judgment unit for judging that the power supply module is inserted into the system when detecting that the level state of the slot in the system changes from high to low; The address acquisition module includes: A slot channel selection unit for selecting the target slot channel of the power supply module inserted into the system through the I2C protocol control of the PCA9548 chip; A port state acquisition unit for reading the GPIO port state of the PCA8574 chip connected to the target slot channel; An address mapping unit for mapping the GPIO port state of the PCA8574 chip as the slave device address of the MODBUS protocol as the communication address of the power supply module.
7. A modular management device for a power management system, characterized by The modular management device of the power supply management system includes a memory and at least one processor, the memory has instructions stored therein, and the memory and the at least one processor are interconnected through a circuit; The at least one processor invokes the instructions in the memory to enable the modular management device of the power supply management system to perform the modular management method of the power supply management system as claimed in any one of claims 1-5.
8. A computer-readable storage medium having stored thereon a computer program, characterized in that The computer program is executed by the processor to implement the modular management method of the power supply management system as claimed in any one of claims 1-5.
Citation Information
Patent Citations
Power distribution unit and applicable power management system thereof
CN108063778A
Power supply chip management system and method
CN113759786A