CN114338262B - Energy cabin communication method and system and electronic equipment - Google Patents
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Abstract
The application provides an energy cabin communication method, an energy cabin communication system and electronic equipment, wherein the method comprises the following steps: the communication bus module receives source communication protocol data sent by a source external connection system; extracting application data from source communication protocol data, and forming a general message according to a custom protocol; embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system; the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message. The energy cabin communication method, the system and the electronic equipment can be flexibly connected into an external connection system, shield communication differentiation of the bottom layer, realize interconnection and intercommunication among different communication protocols, improve the working efficiency of the energy cabin and reduce the operation and maintenance difficulty and cost.
Description
Technical Field
The application relates to the technical field of energy cabin communication, in particular to an energy cabin communication method, an energy cabin communication system and electronic equipment.
Background
The energy cabin is light combined energy supply equipment facing to various energy demands such as cold, heat, electricity, gas and the like in a park, a control center in the energy cabin can intensively control different energy cabin subsystems to improve the working efficiency, the existing energy cabin subsystems are independently connected point to point, communication interfaces of the various energy cabin subsystems are different in form, communication protocols are also different, the control center is difficult to support all communication modes, system access needs development and debugging, different communication protocols need mutual mapping, and the operation and maintenance difficulties are high; in addition, the point-to-point connection mode can not realize cross-network fusion among all the energy cabin subsystems, and restricts the information flow of the energy cabin.
Disclosure of Invention
In view of the foregoing, an objective of the present application is to provide an energy cabin communication method, system and electronic device for solving the above-mentioned technical problems.
In a first aspect of the present application, there is provided an energy compartment communication method applied to an energy compartment communication system, the energy compartment communication system including: a communication bus module and a plurality of external connection systems connected in parallel to the communication bus module; the energy cabin communication method comprises the following steps: the communication bus module receives source communication protocol data sent by a source external connection system; extracting application data from source communication protocol data, and forming a general message according to a custom protocol; embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system; the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message.
Further, the length of the data segment embedded with the general message is smaller than the maximum limit length.
Further, the generic message further includes a length field, a control field, a source address and a destination address, where the control field is used to identify a type of the source communication protocol, and the length field is used to count a length of the application data.
Further, the energy cabin communication method further comprises the following steps: and dynamically establishing a routing table according to the address of each external connection system.
Further, the external connection system comprises a control center, and the routing table is stored in the control center.
Further, the energy cabin communication method further comprises the following steps: and describing the external connection system to establish a corresponding virtual digital model.
In a second aspect of the present application, there is provided an energy pod communication system comprising a communication bus module and a plurality of external connection systems connected in parallel to the communication bus module; wherein the communication bus module is configured to receive source communication protocol data sent by an external connection system; extracting application data from source communication protocol data, and forming a general message according to a custom protocol; embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system; the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message; the external connection system is configured to send the source communication protocol data and receive the target communication protocol data embedded with the general message.
Further, the external connection system comprises a first energy cabin subsystem and a control center, wherein the first energy cabin subsystem comprises a grid-connected and off-grid control system, a wind power generation control system, a photovoltaic power generation control system, an automobile charge and discharge control system, an energy storage control system, a main load control system, a cold accumulation and heat accumulation control system and an environment detection control system.
Further, a communication interface is arranged on the communication bus module, and the communication interface comprises an RS485 interface, a CAN interface and an Ethernet interface.
In a third aspect of the present application, there is provided an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to the first aspect above when executing the program.
From the above, it can be seen that the application provides an energy cabin communication method, a system and an electronic device, wherein different external connection systems are connected into a communication bus module in a unified way, and the communication bus module performs data forwarding, so that the traditional single communication mode is broken, and the centralized communication of the systems is realized; by extracting the source communication protocol data and forming a general message according to a custom protocol, the application data in the general message can be directly utilized by different external connection systems, conversion among communication protocols is not needed, and the information transmission barriers among different communication protocols are broken; the energy cabin communication method, the system and the electronic equipment can be flexibly connected into an external connection system, shield the communication differentiation of the bottom layer, realize interconnection and intercommunication among different communication protocols, improve the working efficiency of the energy cabin and reduce the operation and maintenance difficulty and cost.
Drawings
In order to more clearly illustrate the technical solutions of the present application or related art, the drawings that are required to be used in the description of the embodiments or related art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to those of ordinary skill in the art.
Fig. 1 is a schematic flow chart of a communication method of an energy cabin according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an energy cabin communication system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of another energy bay communication system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used in embodiments of the present application, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The energy cabin is light combined energy supply equipment facing to various energy demands of cold, heat, electricity, gas and the like in a park, and mainly comprises main equipment of subsystems such as an off-cabin distributed power generation system, an electric automobile charging and discharging system, an energy storage system, a power transformation and distribution system and the like and a control part of a corresponding subsystem in the cabin.
The control center in the energy cabin can centrally control different energy cabin subsystems to improve the working efficiency, the existing various energy cabin subsystems are generally independently designed, the communication with the control center adopts a point-to-point mode, the communication mode of the radiation type interconnection structure is convenient to manage, the communication modes adopted by the different energy cabin subsystems are not uniform, the control center is difficult to support all the communication modes, various communication interfaces are required to be designed by the control center, a large amount of debugging work is also required during access, different communication protocols are required to be mapped mutually, the operation and maintenance cost is high, and the difficulty is high.
For example, the integrated energy source of a small park mainly adopts an RS485 line or an Ethernet to carry out information communication among systems, but the RS485 line and the Ethernet cannot meet the information interaction of all distributed energy systems, for example, the communication in a CAN bus mode adopted by an automobile charging and discharging system.
In addition, various energy sources belong to different energy cabin subsystems, the interconnection and the intercommunication of data are difficult to realize at a network side, the communication modes among the subsystems are not uniform, the communication protocol is not standardized, the data among the subsystems cannot be shared, the cross-network fusion among the energy cabin subsystems cannot be realized, and the information flow of the energy cabin is restricted.
In the process of realizing the application, the method can integrate a plurality of communication modes by adopting a bus topology structure, the self-adaptive communication interfaces of all the energy cabin subsystems are used for centralized communication, the problem that the common message is not standardized in the communication protocol is solved by extracting different communication protocol data, and the link layer is opened to realize parallel communication.
The following describes the technical solution of the present application in detail by means of specific embodiments in combination with fig. 1-4.
In some embodiments of the present application, an energy bin communication method is provided, as shown in fig. 1, and is applied to an energy bin communication system, where the energy bin communication system includes: a communication bus module and a plurality of external connection systems connected in parallel to the communication bus module; the energy cabin communication method comprises the following steps:
s1, the communication bus module receives source communication protocol data sent by a source external connection system.
The external connection system comprises a control center of the energy cabin and a first energy cabin subsystem, wherein the source external connection system sends out data information, and the data information is forwarded to the target external connection system through the communication bus module, for example, the first energy cabin subsystem transmits the data information to the control center, the control center transmits the data information to the first energy cabin subsystem or the data information is transmitted between the first energy cabin subsystems.
S2, extracting application data from the source communication protocol data, and forming a general message according to a custom protocol.
For different externally connected systems, the communication protocols may be different, effective information, namely the application data, can be extracted from the source communication protocol data, and then the application data is formed into universal messages which can be identified and utilized by different communication protocols according to the custom protocol, so that parallel communication among different communication protocols is ensured by forming the universal messages.
The custom protocol is a preset format, the structure of which is shown in table 1, and the formed general message includes a start character, a length field, a control field, a source address, a target address, application data and an end character.
Table 1 custom protocol structure table
The initiator has a length of 1 byte, default is set to 01010101, and the initiator is used for the target external connection system to start reading the general message.
The length field is 2 bytes in length and is used to count the length of the application data.
The application data is effective information to be transmitted in the source communication protocol data, and the length is variable.
The length of the ending symbol is 1 byte, the default setting is 10101011, and the ending symbol is used for stopping reading the universal message by the target external connection system.
The control field is used to identify the type of the source communication protocol, and the length is 2 bytes, and the control field structure is shown in table 2.
Table 2 control domain structure table
In some embodiments, the generic message may further include additional information for identifying the application data flow process, the additional information structure being as shown in table 3.
Table 3 accessory information Structure table
S3, embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system.
The general message is embedded into the target communication protocol data, so that the target communication protocol data is not damaged to the bottom target communication protocol, and the target communication protocol data is forwarded to the target external connection system as an outer layer wrapping general message and can be received by the target external connection system.
The length of the data segment embedded with the universal message is smaller than the maximum limit length of the data segment, so that data transmission failure is avoided.
The target external connection system recognizes the initiator and then reads the universal message, so that the application data in the universal message can be directly utilized, the conversion of a communication protocol is not needed, and the data transmission among different external connection systems is completed.
According to the energy cabin communication method, different external connection systems are connected into the communication bus module in a unified mode, the communication bus module carries out data forwarding, a traditional single communication mode is broken, and system centralized communication is achieved; by extracting the source communication protocol data and forming a general message according to a custom protocol, the transmission information in the general message can be directly utilized by different external connection systems, conversion among communication protocols is not needed, and the information transmission barriers among different communication protocols are broken; because the communication protocol and the interface of the bottom layer are very different, the differentiation of the communication of the bottom layer can be shielded by the communication method of the energy cabin, and the communication bus module connected with the external connection system can be used by plug and play, so that the communication protocol and the interface are more flexible, debugging and protocol conversion are not needed any more, the interconnection and intercommunication among different communication protocols are realized, the working efficiency of the energy cabin is improved, and the operation and maintenance difficulty and cost are reduced.
S4, dynamically establishing a routing table according to the address of each external connection system.
The routing table is stored in the control center, and the source address in the routing table and the source address in the universal protocol are compared, so that the source of the application data can be definitely used, the routing table is required to be established dynamically because the connection position of the external connection system and the communication bus module is not fixed, and the first energy cabin subsystem can read the routing table of the control center to obtain the addresses of other external connection systems.
In some embodiments, the energy pod communication system further comprises a second energy pod subsystem wirelessly connected to the control center, the wireless connection including one or more of Wi-Fi communication, zigBee communication, loRa communication, bluetooth communication, 4G communication, and 5G communication.
The routing table also comprises an address of the second energy cabin subsystem, when the second energy cabin subsystem and the first energy cabin subsystem connected with the communication bus module transmit information mutually, the routing table is required to be read to obtain a target address, the control center is used as a communication node, a source communication protocol is subjected to protocol conversion in the control center and is forwarded to the target address, information transmission is realized, and high coverage rate and reliability of each external connection system in communication are ensured.
And S5, describing the external connection system to establish a corresponding virtual digital model.
And the digital twin technology is adopted, each energy cabin subsystem is proxied in a control center, the virtual digital model is consistent with the state of the externally connected system, and the virtual digital model is evolved in real time by receiving application data from the energy cabin subsystem to form a standardized, modularized and intelligent integrated model, so that the energy flow and the information flow direction of each energy cabin subsystem are monitored in real time.
The steps S1 to S4 are to solve the problem of information transmission between different communication protocols at a communication layer, but the communication protocol of some energy cabin subsystems is not changeable, and the step S5 is to establish a virtual digital model at an application layer, so that the energy cabin subsystems which are not changeable in protocol and are changeable in protocol can be displayed as unified abstract protocol data on a control center; when the first energy cabin subsystem transmits information to the third energy cabin subsystem which cannot change the protocol, abstract protocol data is required to be twined first, and the abstract protocol data is configured and converted into a communication protocol which can be received by the third energy cabin subsystem through a control center, so that information transmission is realized.
The communication method of the energy cabin breaks through the information transmission barriers among different communication protocols, realizes the cross-network fusion, interconnection and intercommunication among all externally connected systems, realizes the information sharing among different communication modes, improves the working efficiency of the energy cabin, and reduces the operation and maintenance difficulty and the cost.
It should be noted that, the method of the present embodiment may be applied in a distributed scenario, and may be completed by a plurality of devices cooperating with each other. In the case of such a distributed scenario, one of the devices may perform only one or more steps of the methods of embodiments of the present application, and the devices may interact with each other to complete the methods.
It should be noted that some embodiments of the present application are described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments described above and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
Based on the same inventive concept, corresponding to the method of any embodiment, the application also provides an energy cabin communication system, as shown in fig. 2, comprising a communication bus module and a plurality of external connection systems connected to the communication bus module in parallel; wherein the communication bus module is configured to receive source communication protocol data sent by an external connection system; extracting application data from source communication protocol data, and forming a general message according to a custom protocol; embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system; the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message; the external connection system is configured to send the source communication protocol data and receive the target communication protocol data embedded with the general message.
By integrating different external connection systems into a communication bus module, the traditional single communication mode is broken, the centralized parallel communication of the systems is realized, the self-adaptive communication interfaces of the different external connection systems are realized, and the transmission efficiency is improved; the problems of complex field connection of the energy cabin, low working efficiency and large occupied area are solved; the communication bus module can also ensure the suitability of the access to the newly-added equipment system and the newly-added interface type, adapt to various communication modes, reduce the operation and maintenance cost and support the flexible combination and collaborative operation of different equipment systems.
For convenience of description, the above devices are described as being functionally divided into various modules, respectively. Of course, the functions of each module may be implemented in the same piece or pieces of software and/or hardware when implementing the present application.
The device of the foregoing embodiment is used for implementing the corresponding energy cabin communication system in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiment, which is not described herein.
In some embodiments, as shown in fig. 3, the external connection system includes a first energy cabin subsystem and a control center, where the first energy cabin subsystem includes a parallel-to-grid control system, a wind power generation control system, a photovoltaic power generation control system, an automobile charge-discharge control system, an energy storage control system, a main load control system, a cold and heat storage control system, and an environment detection control system.
The traditional point-to-point communication can only realize the interactive information transmission between the control center and the energy cabin subsystems, and the energy cabin subsystems can send energy monitoring information to the control center, and the control center can send control instructions to the energy cabin subsystems, if the information transmission is needed between different energy cabin subsystems, the information needs to be transmitted through the control center.
Through setting up communication bus module and custom agreement, can directly exchange the transmission information between each first energy cabin subsystem, for example wind power generation system transmits first electric energy information to photovoltaic power generation system, and photovoltaic power generation system transmits second electric energy information to wind power generation system, supports wind power generation and photovoltaic power generation's collaborative operation, generally realizes interconnection intercommunication between the external connection system.
The off-grid control system performs unified control of operation modes on all distributed power supplies connected into the energy cabin by using a distributed control technology through the off-grid controller, and energy output consistency of the energy cabin is maintained.
The wind power generation control system is matched with an energy source off-cabin wind power generator, and can rectify, invert and converge direct current output by the fan and then access an alternating current bus.
The photovoltaic power generation control system can control the start and stop of the photovoltaic power generation system, voltage regulation, anti-island protection, electric energy quality adjustment and the like, and is a core component for energy conversion of the grid-connected system.
The automobile charge and discharge control system is a control switch for energy interaction between an electric automobile and a power grid, has the characteristic of supporting power bidirectional flow, and can realize high-frequency isolation and voltage conversion between the load of the electric automobile and two sides of a power distribution network by a built-in power electronic module.
The energy storage control system is internally provided with a DC/DC conversion module, a DC breaker and the like, and can control the DC micro-grid to interact with the energy storage unit in high-power electric energy.
The main load control system can realize the non-perception uninterrupted power supply of important load of a park through means of load monitoring or power management and the like, and can finish the peak clipping and valley filling demand response to realize energy saving, consumption reduction, cost reduction and efficiency improvement.
The cold and heat accumulation control system adjusts the running conditions of cold and heat accumulation and cold and heat supply by controlling equipment such as a refrigerating unit, an electric boiler, a cold and heat accumulation device, a heat exchange device, a water pump, a pipeline regulating valve and the like, and utilizes the peak-valley electricity price difference to supply cold or heat to the tail end under the most economical condition.
In some embodiments, the communication Bus module is provided with a communication interface, and the communication interface is used for being connected with the first energy subsystem, and includes an RS485 interface, a CAN interface, a Modbus-Bus interface and an ethernet interface.
In general, the photovoltaic power generation control system is connected with the communication bus module by adopting an RS485 interface, and functionally supports reading and writing; the wind power generation control system adopts an RS485 interface to be connected with the communication bus module, and only readable functions are supported; the automobile charge and discharge control system adopts an Ethernet interface or a CAN interface to be connected with the communication bus module, and functionally supports reading and writing; the energy storage control system is connected with the communication bus module by adopting an Ethernet interface and an optical fiber interface, and functionally supports reading and writing; the main load control system adopts an Ethernet interface and an RS485 interface line to be connected with the communication bus module, and functionally supports reading and writing.
Based on the same inventive concept, the application also provides an electronic device corresponding to the method of any embodiment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor implements the method for communication with the energy cabin according to any embodiment when executing the program.
Fig. 4 shows a more specific hardware architecture of an electronic device according to this embodiment, where the device may include: a processor 1010, a memory 1020, an input/output interface 1030, a communication interface 1040, and a bus 1050. Which are characterized in that the processor 1010, the memory 1020, the input/output interface 1030, and the communication interface 1040 implement communication connections therebetween within the device via a bus 1050.
The processor 1010 may be implemented by a general-purpose CPU (Central Processing Unit ), microprocessor, application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or one or more integrated circuits, etc. for executing relevant programs to implement the technical solutions provided in the embodiments of the present disclosure.
The Memory 1020 may be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory ), static storage device, dynamic storage device, or the like. Memory 1020 may store an operating system and other application programs, and when the embodiments of the present specification are implemented in software or firmware, the associated program code is stored in memory 1020 and executed by processor 1010.
The input/output interface 1030 is used to connect with an input/output module for inputting and outputting information. The input/output module may be configured as a component in a device (not shown) or may be external to the device to provide corresponding functionality. The input device may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output device may include a display, a speaker, a vibrator, an indicator light, etc.
Communication interface 1040 is used to connect communication modules (not shown) to enable communication interactions of the present device with other devices. The communication module is characterized in that the communication can be realized through a wired mode (such as USB, network cable and the like), and also can be realized through a wireless mode (such as a mobile network, wi-Fi, bluetooth and the like).
Bus 1050 includes a path for transferring information between components of the device (e.g., processor 1010, memory 1020, input/output interface 1030, and communication interface 1040).
It should be noted that although the above-described device only shows processor 1010, memory 1020, input/output interface 1030, communication interface 1040, and bus 1050, in an implementation, the device may include other components necessary to achieve proper operation. Furthermore, it will be understood by those skilled in the art that the above-described apparatus may include only the components necessary to implement the embodiments of the present description, and not all the components shown in the drawings.
The electronic device of the foregoing embodiment is configured to implement the corresponding energy cabin communication method in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiment, which is not described herein.
Based on the same inventive concept, corresponding to any of the above embodiments of the method, the present application further provides a non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the energy compartment communication method as described in any of the above embodiments.
The computer readable media of the present embodiments, including both permanent and non-permanent, removable and non-removable media, may be used to implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device.
The storage medium of the foregoing embodiments stores computer instructions for causing the computer to execute the energy bay communication method according to any of the foregoing embodiments, and has the advantages of the corresponding method embodiments, which are not described herein.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present application as described above, which are not provided in detail for the sake of brevity.
Additionally, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures, in order to simplify the illustration and discussion, and so as not to obscure the embodiments of the present application. Furthermore, the devices may be shown in block diagram form in order to avoid obscuring the embodiments of the present application, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform on which the embodiments of the present application are to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the application, it should be apparent to one skilled in the art that embodiments of the application can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the present application has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may use the embodiments discussed.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Accordingly, any omissions, modifications, equivalents, improvements and/or the like which are within the spirit and principles of the embodiments are intended to be included within the scope of the present application.
Claims (8)
1. An energy pod communication method, applied to an energy pod communication system, the energy pod communication system comprising: a communication bus module and a plurality of external connection systems connected in parallel to the communication bus module; the energy cabin communication method comprises the following steps:
the communication bus module receives source communication protocol data sent by a source external connection system;
extracting application data from source communication protocol data, and forming a general message according to a custom protocol;
embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system;
the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message; the length of the data segment embedded with the universal message is smaller than the maximum limit length; the universal message also comprises a length field, a control field, a source address and a target address, wherein the control field is used for identifying the type of the source communication protocol, and the length field is used for counting the length of the application data; the general message further comprises additional information, wherein the additional information comprises additional information quantity, an intermediate source address and an intermediate target address, and the additional information is used for identifying the circulation process of the application data.
2. The method as recited in claim 1, further comprising: and dynamically establishing a routing table according to the address of each external connection system.
3. The method of claim 2, wherein the external connection system comprises a control center, and the routing table is stored at the control center.
4. The method as recited in claim 1, further comprising: and describing the external connection system to establish a corresponding virtual digital model.
5. An energy pod communication system, comprising: a communication bus module and a plurality of external connection systems connected in parallel to the communication bus module;
wherein the communication bus module is configured to receive source communication protocol data sent by an external connection system; extracting application data from source communication protocol data, and forming a general message according to a custom protocol; embedding the general message into a data segment of target communication protocol data, and forwarding the general message to a target external connection system; the universal message comprises the application data, a start symbol and an end symbol, wherein the start symbol is used for the target external connection system to start reading the universal message, and the end symbol is used for the target external connection system to stop reading the universal message; the length of the data segment embedded with the universal message is smaller than the maximum limit length; the universal message also comprises a length field, a control field, a source address and a target address, wherein the control field is used for identifying the type of the source communication protocol, and the length field is used for counting the length of the application data; the general message also comprises additional information, wherein the additional information comprises additional information quantity, an intermediate source address and an intermediate target address, and the additional information is used for identifying the circulation process of the application data;
the external connection system is configured to send the source communication protocol data and receive the target communication protocol data embedded with the general message.
6. The system of claim 5, wherein the external connection system comprises a first energy compartment subsystem and a control center, the first energy compartment subsystem comprising a grid-connected and off-grid control system, a wind power generation control system, a photovoltaic power generation control system, an automobile charge and discharge control system, an energy storage control system, a main load control system, a cold and heat storage control system, and an environment detection control system.
7. The system of claim 5, wherein a communication interface is provided on the communication bus module, and the communication interface includes an RS485 interface, a CAN interface, and an ethernet interface.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1 to 4 when the program is executed by the processor.
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