Multi-level acquisition energy management system

Abstract

The invention discloses a multi-level acquisition energy management system, which belongs to the technical field of energy management, and comprises a multi-level acquisition terminal module, a multi-level storage module, a redundancy unit module, an edge management module and a center management module, the different levels comprise an equipment level, a production line / process level and a factory level; the multi-level storage module is used for recording and storing original data of energy consumption data generated at different levels, and the energy consumption data determines the level and type of data transmission by setting marks; according to the invention, through comprehensive acquisition of equipment-level, production line / process-level and factory-level energy consumption data by the multi-level acquisition terminal module, the reliability and stability of the system are greatly improved, the continuity of energy data acquisition and storage is ensured, and the risk of data loss caused by equipment failure is effectively reduced.

Description

Technical Field

[0001] The invention relates to an energy management system, and in particular to a multi-level energy collection management system. Background Art

[0002] In the context of the rapid development of today's industrial field, energy management has become a key link for enterprises to achieve sustainable development, reduce operating costs and enhance competitiveness. With the continuous improvement of industrial automation, the energy consumption of various production equipment, process flows and the entire factory in the industrial environment has become increasingly complex and diverse. Traditional energy management methods can no longer meet the needs of accurate, real-time and comprehensive collection, transmission and processing of energy data. On the one hand, the expansion of industrial production scale and the diversification of equipment have made energy consumption data present massive, multi-source and heterogeneous characteristics, requiring special hardware facilities for effective collection and sorting; on the other hand, there are often various interference factors in the industrial environment, such as electromagnetic interference, mechanical vibration, etc., which poses a great challenge to the stability and reliability of energy data collection and transmission.

[0003] To address these issues, energy management systems have emerged. Whether it is a subtle change in energy consumption of small equipment or the overall energy usage of a large-scale production line or an entire factory, it can be accurately captured, providing a rich data foundation for a comprehensive understanding of industrial energy consumption. However, the current energy management systems lack real-time performance when processing massive amounts of complex data, and data is prone to backlog and delay, affecting energy management decisions. In the face of special data generated by new energy equipment or processes, the collection and processing capabilities are insufficient, requiring additional upgrades or development, which increases corporate investment. Summary of the invention

[0004] In view of the above technical problems, the present invention provides a multi-level energy collection management system, including a multi-level collection terminal module, a multi-level storage module, a redundant unit module, an edge management module and a central management module, wherein the multi-level collection terminal module is used to collect energy consumption data at different levels, and the different levels include equipment level, production line / process level and factory level; the multi-level storage module is used to record and store the original data of energy consumption data generated at different levels, and the energy consumption data determines the level and type of data transmission by setting a mark; the redundant unit is used to enable the redundant unit module to complete the work of the multi-level collection terminal module and the multi-level storage module through transmission negotiation when the normally configured multi-level collection terminal module and the multi-level storage module cannot work normally; the edge management module manages the working level and working mode of the multi-level collection terminal module, and the edge management module is also used to set the event working mode, and manage the normal and abnormal conditions of energy consumption data transmission by setting the event of data transmission and detecting the triggering condition of the event; the central management module is used to process the original data of the multi-level storage module, and monitor, summarize and display the energy consumption data.

[0005] Furthermore, the edge management module initializes the multi-level acquisition terminal module, sets the working level of the multi-level acquisition terminal module during initialization, and sets the multi-level acquisition terminal as a first acquisition unit, a second acquisition unit, and a third acquisition unit. The first acquisition unit is used to collect energy consumption data at the equipment level, the second acquisition unit is used to collect energy consumption data at the production line / process level, and the third acquisition unit is used to collect energy consumption data at the factory level. The edge management module also sets the working mode of the multi-level acquisition terminal module, and the working mode includes a real-time transmission mode and an event trigger mode. The multi-level acquisition terminal module collects and sends energy consumption data according to the configured working mode.

[0006] Furthermore, the energy consumption data collected by the multi-level acquisition terminal module is stored in the multi-level storage module using the proximity principle. The proximity principle is that the edge management module binds the multi-level acquisition terminal module and the multi-level storage module nearby. The binding result is that the multi-level acquisition terminal module corresponds to the multi-level storage module of the same level, and the edge management module monitors the sending and storage status of the energy consumption data; when a multi-level acquisition terminal module or a multi-level storage module fails and cannot perform data collection or data storage, the edge management module enables the redundant unit module to work through transmission negotiation to complete the function of the failed module.

[0007] Furthermore, the transmission negotiation process includes:

[0008] Step S101, the edge management module determines the online status of the multi-level acquisition terminal module by transmitting a heartbeat frame, wherein the transmitted heartbeat frame is a data stream with timestamp information sent by the multi-level acquisition terminal module within a set time; if the edge management module does not receive a transmission heartbeat frame from a multi-level acquisition terminal module within the set time, it sends an online detection frame to the multi-level acquisition terminal module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level acquisition terminal module; the edge management module determines the online status of the multi-level storage module by storing a response frame. When the multi-level storage module does not send a storage response frame to the edge management module after receiving the data sent by the multi-level acquisition terminal module, the edge management module sends an online detection frame to the multi-level storage module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level storage terminal module.

[0009] Step S102, after determining that the multi-level acquisition terminal module with the recorded terminal number is offline, the edge management module constructs a negotiation request frame, wherein the negotiation request frame includes the recorded terminal number and the terminal number of the multi-level storage module bound to the multi-level acquisition terminal module. The edge management module sends the negotiation request frame to the redundant unit module, queries whether there is an idle multi-level acquisition terminal module in the redundant unit module, and if so, the redundant unit module parses the content of the negotiation request frame, assigns the recorded terminal number to the redundant multi-level acquisition terminal module in the redundant unit module, adds a redundant working mark, and then binds the multi-level storage module, generates a binding confirmation frame and sends it to the multi-level storage module.

[0010] Step S103, after determining that the multi-level storage module recording the terminal number is offline, the edge management module queries the terminal number of the multi-level acquisition terminal module bound to the multi-level storage module, and at the same time queries the redundant unit module whether there is an idle redundant multi-level storage module. If so, the redundant unit module returns the terminal number of the redundant multi-level storage module assigned to the edge management module; after receiving the terminal number, the edge management module sends a negotiation request frame with the multi-level storage module terminal number and the current time information to the bound multi-level acquisition terminal module, requesting to modify the multi-level storage module information bound to the multi-level acquisition terminal module; after completing the binding, the multi-level acquisition terminal module queries whether there is energy consumption data generated in the current time information according to the current time information, and if so, sends the energy consumption data to the bound redundant multi-level storage module.

[0011] Furthermore, the event trigger mode includes active events and passive events. The passive event is a preset trigger event. When the multi-level acquisition terminal module or the multi-level storage reaches the preset conditions, the trigger event occurs and the acquisition or storage work is completed; the active event is an event with an active request determined by the central management module, including instantaneous acquisition and instantaneous storage.

[0012] Furthermore, the instantaneous collection is query collection actively sent by the central management module, and the instantaneous storage is a storage mode when the central management module needs to briefly access the collected energy consumption data. When the central management module determines that the energy consumption data will no longer be accessed, the instantaneously stored energy consumption data will be released.

[0013] Furthermore, the first collection unit generates different types of virtual terminals through device virtualization, and the virtual terminals include collection data types and supported interface protocols, and each virtual terminal collects and transmits a type of energy consumption data.

[0014] Furthermore, in data processing, the central management module cleans and converts the original energy consumption data from the multi-level storage modules to ensure accuracy, completeness and standardization; in monitoring, it monitors the data transmission status and value changes in real time from multiple dimensions, and generates warnings and analysis reports when abnormalities are encountered; when summarizing and displaying, it summarizes in multiple dimensions by time and level according to different needs and permissions.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the present invention uses a multi-level acquisition terminal module to comprehensively collect energy consumption data at the equipment level, production line / process level, and factory level, combined with the multi-level storage module based on the principle of proximity storage and the effective response of the redundant unit module in the event of a failure, which greatly improves the reliability and stability of the system, ensures the continuity of energy data collection and storage, and effectively reduces the risk of data loss due to equipment failure. The edge management module's flexible initialization settings for the acquisition terminal and support for multiple working modes, especially the design of active events and passive events in the event trigger mode, enable the system to efficiently perform data collection and storage operations according to different needs and preset conditions, and enhance the system's adaptability and autonomy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic block diagram of the system.

[0017] Figure 2 The present invention is a flow chart of an exemplary step of the transmission negotiation process. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0019] like Figure 1 The figure shows a schematic block diagram of the structure of a multi-level energy collection management system provided by an embodiment of the present application, which includes a multi-level collection terminal module, a multi-level storage module, a redundant unit module, an edge management module and a central management module. The multi-level collection terminal module is used to collect energy consumption data at different levels, and the different levels include equipment level, production line / process level, and factory level; the multi-level storage module is used to record and store the original data of energy consumption data generated at different levels, and the energy consumption data determines the level and type of data transmission by setting a mark; the redundant unit is used to enable the redundant unit module to complete the work of the multi-level collection terminal module and the multi-level storage module through transmission negotiation when the normally configured multi-level collection terminal module and the multi-level storage module cannot work normally; the edge management module manages the working level and working mode of the multi-level collection terminal module, and the edge management module is also used to set the event working mode, and manage the normal and abnormal conditions of energy consumption data transmission by setting the event of data transmission and detecting the triggering of the event; the central management module is used to process the original data of the multi-level storage module, and monitor, summarize and display the energy consumption data.

[0020] The above multiple levels, equipment level: as the basic level, for individual energy consuming equipment, such as motors, machine tools, etc. Its acquisition terminal can accurately obtain the real-time energy consumption parameters of the equipment, such as power consumption, etc., to provide basic data for subsequent management, help discover equipment energy consumption problems and improve them, and reduce the energy consumption of a single device.

[0021] Production line / process level: Comprehensive collection and analysis of energy consumption of a group of equipment on the production line or in the process. Integrate the energy consumption data of production line equipment, consider the equipment coordination relationship and energy distribution, such as the automobile painting production line. Through this level of management, the process energy consumption distribution can be clarified, the process can be optimized, the energy utilization efficiency can be improved, and the cost can be reduced.

[0022] Factory level: Starting from the factory as a whole, covering the energy consumption of all production lines, workshops and auxiliary facilities. Reflecting the total energy consumption of the factory, regional proportion and time trend, providing a basis for formulating energy strategies, procurement plans and energy conservation and emission reduction goals, such as through long-term monitoring, reasonable arrangement of production and procurement, and taking energy-saving measures to reduce overall energy consumption.

[0023] The edge management module initializes the multi-level acquisition terminal module. During initialization, the working level of the multi-level acquisition terminal module is set, and the multi-level acquisition terminal is set to the first acquisition unit, the second acquisition unit, and the third acquisition unit. The first acquisition unit is used to collect energy consumption data at the equipment level, the second acquisition unit is used to collect energy consumption data at the production line / process level, and the third acquisition unit is used to collect energy consumption data at the factory level. The edge management module also sets the working mode of the multi-level acquisition terminal module. The working modes include real-time transmission mode and event trigger mode. The multi-level acquisition terminal module collects and sends energy consumption data according to the configured working mode.

[0024] The energy consumption data collected by the multi-level collection terminal module is stored in the multi-level storage module using the proximity principle. The proximity principle is that the edge management module binds the multi-level collection terminal module and the multi-level storage module nearby. The binding result is that the multi-level collection terminal module corresponds to the multi-level storage module of the same level, and the edge management module monitors the sending and storage status of the energy consumption data; when a multi-level collection terminal module or a multi-level storage module fails and cannot collect data or store data, the edge management module enables the redundant unit module through transmission negotiation to complete the function of the failed module.

[0025] The above-mentioned transmission negotiation acts between the edge management module and the multi-level acquisition terminal module, the multi-level storage module, and the redundant unit module. The edge management module sends detailed task instructions and configuration information to the redundant unit module, informing it of key details such as the working parameters, data type, and transmission frequency of the faulty module that needs to be replaced.

[0026] like Figure 2 FIG. 1 is a flow chart showing an exemplary step of the transmission negotiation process of this embodiment, including:

[0027] Step S101, the edge management module determines the online status of the multi-level acquisition terminal module by transmitting a heartbeat frame, and the transmitted heartbeat frame is a data stream with timestamp information sent by the multi-level acquisition terminal module within a set time; if the edge management module does not receive a transmission heartbeat frame from a multi-level acquisition terminal module within the set time, it sends an online detection frame to the multi-level acquisition terminal module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level acquisition terminal module; the edge management module determines the online status of the multi-level storage module by storing a response frame. When the multi-level storage module does not send a storage response frame to the edge management module after receiving the data sent by the multi-level acquisition terminal module, the edge management module sends an online detection frame to the multi-level storage module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level storage terminal module.

[0028] Step S102, after determining that the multi-level acquisition terminal module with the recorded terminal number is offline, the edge management module constructs a negotiation request frame, which includes the recorded terminal number and the terminal number of the multi-level storage module bound to the multi-level acquisition terminal module. The edge management module sends the negotiation request frame to the redundant unit module to query whether there is an idle multi-level acquisition terminal module in the redundant unit module. If so, the redundant unit module parses the content of the negotiation request frame, assigns the recorded terminal number to the redundant multi-level acquisition terminal module in the redundant unit module, adds a redundant working mark, and then binds the multi-level storage module, generates a binding confirmation frame and sends it to the multi-level storage module.

[0029] Step S103, after determining that the multi-level storage module recording the terminal number is offline, the edge management module queries the terminal number of the multi-level acquisition terminal module bound to the multi-level storage module, and at the same time queries the redundant unit module whether there is an idle redundant multi-level storage module. If so, the redundant unit module returns the terminal number of the redundant multi-level storage module assigned to the edge management module; after receiving the terminal number, the edge management module sends a negotiation request frame with the multi-level storage module terminal number and the current time information to the bound multi-level acquisition terminal module, requesting to modify the multi-level storage module information bound to the multi-level acquisition terminal module; after completing the binding, the multi-level acquisition terminal module queries whether there is energy consumption data generated in the current time information according to the current time information, and if so, sends the energy consumption data to the bound redundant multi-level storage module.

[0030] In an example, the set time can be 5 seconds. This means that the multi-level acquisition terminal module needs to send a heartbeat frame with timestamp information every 5 seconds. Assuming that Unix timestamp is used, a possible heartbeat frame data example is {"timestamp":1735324800,"module_type":"acquisition terminal","module_id":"CT001"}, where 1735324800 is a specific Unix timestamp, module_type indicates that the module type is an acquisition terminal, and module_id indicates that the number of the acquisition terminal is CT001.

[0031] Online detection frame: For a multi-level acquisition terminal module, its online detection frame can be {"request_type":"online_check","module_id":"CT001","destination":"CT001"}, indicating a request to check the online status of the CT001 acquisition terminal module. For a multi-level storage module, its online detection frame can be {"request_type":"online_check","module_id":"ST001","destination":"ST001"}, where ST001 is the number of the multi-level storage module.

[0032] Response frame: Under normal circumstances, the response frame of the multi-level acquisition terminal module can be {"response_type":"online_ack","module_id":"CT001"}, indicating that the CT001 acquisition terminal module confirms that it is online; the response frame of the multi-level storage module can be {"response_type":"storage_ack","module_id":"ST001","data_count":100}, where data_count indicates that the amount of data stored is 100.

[0033] Negotiation request frame: Assuming that the multi-level acquisition terminal module CT001 is offline and its bound multi-level storage module is ST001, the negotiation request frame can be {"request_type":"negotiation","failed_module_id":"CT001","bound_storage_module_id":"ST001"}.

[0034] Redundant unit module information: Assume that there is an idle redundant multi-level acquisition terminal module in the redundant unit module, and its number is RCT001. After the redundant unit module parses the negotiation request frame, it will assign CT001 to RCT001 and add a redundant working mark. The generated binding confirmation frame can be {"response_type":"binding_confirm","assigned_module_id":"RCT001","bound_storage_module_id":"ST001""redundancy_flag":true}, and the binding confirmation frame will be sent to the ST001 storage module.

[0035] Terminal number query: If the multi-level storage module ST001 is offline, the edge management module queries that the multi-level acquisition terminal module number bound to it is CT001, and queries the redundant unit module whether there is an idle redundant multi-level storage module. It is assumed that the redundant multi-level storage module number returned by the redundant unit module is RST001.

[0036] Negotiation request frame: The negotiation request frame sent by the edge management module can be {"request_type":"negotiation","failed_module_id":"ST001","new_storage_module_id":"RST001","current_time":1735324800}. This frame will be sent to the CT001 acquisition terminal module.

[0037] Data transmission: Assume that the CT001 acquisition terminal module generates energy consumption data within the current time information (for example, from 1735324790 to 1735324800), and the data can be [{"timestamp":1735324795,"energy_consumption":100},{"timestamp":1735324800,"energy_consumption":120}], then CT001 sends this data to the bound redundant multi-level storage module RST001.

[0038] The event trigger mode includes active events and passive events. Passive events are preset trigger events. When the multi-level acquisition terminal module or multi-level storage reaches the preset conditions, the trigger event occurs and the acquisition or storage work is completed. Active events are events with active requests determined by the central management module, including instantaneous acquisition and instantaneous storage.

[0039] In one example, passive events are triggered based on preset conditions. For example, when the energy consumption of an important production equipment suddenly increases and reaches the preset abnormal threshold, the multi-level acquisition terminal module is immediately started to collect the energy consumption data of the equipment, such as electricity, water, gas, etc., and then store it in the multi-level storage module, so as to analyze the reasons for the abnormal energy consumption of the equipment and take corresponding measures to optimize it.

[0040] Instantaneous collection refers to the query collection actively sent by the central management module. Instantaneous storage refers to the storage mode when the central management module needs to briefly access the collected energy consumption data. When the central management module determines that it will no longer access the energy consumption data, the instantaneous stored energy consumption data will be released.

[0041] The first collection unit generates different types of virtual terminals through device virtualization. The virtual terminals include collection data types and supported interface protocols. Each virtual terminal collects and transmits a type of energy consumption data.

[0042] In terms of data processing, the central management module cleans and converts the original energy consumption data from the multi-level storage modules to ensure accuracy, completeness and standardization. During data processing, the original data of the multi-level storage modules are cleaned through linear interpolation, statistical judgment and other methods, missing values ​​are supplemented, abnormal values ​​are processed, and the energy consumption data is unified in units and precision to ensure accuracy, completeness and standardization.

[0043] In terms of monitoring, the data transmission status and value changes are monitored in real time from multiple dimensions. In case of abnormality, early warnings are issued and reports are generated through analysis. The transmission connection is monitored by sending heartbeat packets every 10 seconds. Based on the flow threshold and energy consumption fluctuation range, multi-dimensional real-time monitoring is carried out. In case of abnormality (such as a 30% increase in energy consumption of a production line in 15 minutes), early warnings are issued, and reports are generated through comprehensive analysis of information such as equipment operation and process parameters.

[0044] When displaying the summary, the data is summarized in multiple dimensions such as time and level according to different needs and permissions.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements 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 application.

Claims

1. A multi-level energy collection management system, characterized by: It includes a multi-level acquisition terminal module, a multi-level storage module, a redundant unit module, an edge management module and a central management module. The multi-level acquisition terminal module is used to collect energy consumption data at different levels, and the different levels include equipment level, production line / process level, and factory level; the multi-level storage module is used to record and store the original data of energy consumption data generated at different levels, and the energy consumption data determines the level and type of data transmission by setting tags; the redundant unit is used to enable the redundant unit module to complete the work of the multi-level acquisition terminal module and the multi-level storage module through transmission negotiation when the normally configured multi-level acquisition terminal module and the multi-level storage module cannot work normally; the edge management module manages the working level and working mode of the multi-level acquisition terminal module, and the edge management module is also used to set the event working mode, and manage the normal and abnormal conditions of energy consumption data transmission by setting data transmission events and detecting the triggering conditions of the events; the central management module is used to process the original data of the multi-level storage module, and monitor, summarize and display the energy consumption data.

2. A multi-level energy collection management system according to claim 1, characterized in that: The edge management module initializes the multi-level acquisition terminal module, sets the working level of the multi-level acquisition terminal module during initialization, and sets the multi-level acquisition terminal as a first acquisition unit, a second acquisition unit, and a third acquisition unit. The first acquisition unit is used to collect energy consumption data at the equipment level, the second acquisition unit is used to collect energy consumption data at the production line / process level, and the third acquisition unit is used to collect energy consumption data at the factory level. The edge management module also sets the working mode of the multi-level acquisition terminal module, and the working mode includes a real-time transmission mode and an event trigger mode. The multi-level acquisition terminal module collects and sends energy consumption data according to the configured working mode.

3. A multi-level energy collection management system according to claim 1, characterized in that: The energy consumption data collected by the multi-level acquisition terminal module is stored in the multi-level storage module using the proximity principle. The proximity principle is that the edge management module binds the multi-level acquisition terminal module and the multi-level storage module nearby. The binding result is that the multi-level acquisition terminal module corresponds to the multi-level storage module of the same level. The edge management module monitors the sending and storage status of the energy consumption data. When a multi-level acquisition terminal module or a multi-level storage module fails and cannot collect data or store data, the edge management module enables the redundant unit module to work through transmission negotiation to complete the function of the failed module.

4. A multi-level energy collection management system according to claim 3, characterized in that: The transmission negotiation process includes: Step S101, the edge management module determines the online status of the multi-level acquisition terminal module by transmitting a heartbeat frame, wherein the transmitted heartbeat frame is a data stream with timestamp information sent by the multi-level acquisition terminal module within a set time; When the edge management module does not receive a transmission heartbeat frame from a multi-level acquisition terminal module within a set time, it sends an online detection frame to the multi-level acquisition terminal module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level acquisition terminal module; the edge management module determines the online status of the multi-level storage module by storing the response frame. When the multi-level storage module does not send a storage response frame to the edge management module after receiving the data sent by the multi-level acquisition terminal module, the edge management module sends an online detection frame to the multi-level storage module. If there is still no response frame, the edge management module records the current time information and the terminal number of the multi-level storage module; Step S102, after determining that the multi-level acquisition terminal module with the recorded terminal number is offline, the edge management module forms a negotiation request frame, wherein the negotiation request frame includes the recorded terminal number and the terminal number of the multi-level storage module bound to the multi-level acquisition terminal module. The edge management module sends the negotiation request frame to the redundant unit module, and inquires whether there is an idle multi-level acquisition terminal module in the redundant unit module. If so, the redundant unit module parses the content of the negotiation request frame, assigns the recorded terminal number to the redundant multi-level acquisition terminal module in the redundant unit module, adds a redundant working mark, and then binds the multi-level storage module, generates a binding confirmation frame and sends it to the multi-level storage module; Step S103, after determining that the multi-level storage module recording the terminal number is offline, the edge management module queries the terminal number of the multi-level acquisition terminal module bound to the multi-level storage module, and at the same time queries the redundant unit module whether there is an idle redundant multi-level storage module. If so, the redundant unit module returns the terminal number of the redundant multi-level storage module assigned to the edge management module; after receiving the terminal number, the edge management module sends a negotiation request frame with the multi-level storage module terminal number and the current time information to the bound multi-level acquisition terminal module, requesting to modify the multi-level storage module information bound to the multi-level acquisition terminal module; after completing the binding, the multi-level acquisition terminal module queries whether there is energy consumption data generated in the current time information according to the current time information, and if so, sends the energy consumption data to the bound redundant multi-level storage module.

5. The multi-level energy collection management system according to claim 1, characterized in that: The event trigger mode includes active events and passive events. The passive event is a preset trigger event. When the multi-level acquisition terminal module or the multi-level storage reaches the preset conditions, the trigger event occurs and the acquisition or storage work is completed; the active event is an event with an active request determined by the central management module, including instantaneous acquisition and instantaneous storage.

6. A multi-level energy collection management system according to claim 5, characterized in that: The instantaneous collection is the query collection actively sent by the central management module, and the instantaneous storage is the storage mode when the central management module needs to briefly access the collected energy consumption data. When the central management module determines that the energy consumption data will no longer be accessed, the instantaneously stored energy consumption data will be released.

7. A multi-level energy collection management system according to claim 2, characterized in that: The first collection unit generates different types of virtual terminals through device virtualization. The virtual terminals include collection data types and supported interface protocols. Each virtual terminal collects and transmits a type of energy consumption data.

8. The multi-level energy collection management system according to claim 1, characterized in that: In terms of data processing, the central management module cleans and converts the original energy consumption data from the multi-level storage modules to ensure accuracy, completeness and standardization; in terms of monitoring, it monitors the data transmission status and value changes in real time from multiple dimensions, and generates warnings and analysis reports when abnormalities are encountered; when summarizing and displaying, it summarizes in multiple dimensions by time and level according to different needs and permissions.

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