CN111064402B - Diesel generating set cloud communication module with long connection and small data flow - Google Patents
Diesel generating set cloud communication module with long connection and small data flow Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
- H04L67/145—Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
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Abstract
The invention discloses a cloud communication module of a diesel generating set with long connection and small data flow, wherein a cloud service platform comprises a WEB server, a database and a server receiving and sending program, the cloud communication module comprises an SIM card module, a GSM antenna module, a current-limiting resistor array module, a wireless module, an STC single chip microcomputer, an analog-to-digital converter, a power supply chip, a communication interface and an analog quantity interface, the cloud communication module is connected with the diesel generating set through an upper computer, and a Flash storage area comprises a set control register area, a set alarm register area, a set warning register area and a set state register area, the priority levels of which are sequentially decreased; the cloud communication module can keep on-line sending of real-time data to the WEB server within 24 hours, can also quickly respond to various instructions of the cloud service platform, adopts a data push algorithm based on data change, can greatly save data flow on a communication line, adopts automatic partition scanning, and is more reasonable and reliable in data reading.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a cloud communication module of a diesel generating set with long connection and small data flow.
Background
The diesel generator set is usually used as an emergency standby power supply of a data center, a main power supply of a construction site, a standby/main power supply of a communication base station, a main power supply of a ship and a military mobile power supply to provide power for stable production of various industries. The development of the technology of the internet of things enables the core business of a full life cycle, such as distributed remote monitoring, alarm disposal, service response, maintenance, emergency repair and the like, of a diesel generating set to be possible to change from a traditional field manual operation mode to remote lightweight, automation and intellectualization. Cloud communication of the diesel generator set becomes a core and a data hub for connecting the Internet of things and a cloud service system;
however, most of the existing cloud communication modules of the generator sets in the market transmit the state quantities stored by the diesel generator set controller in full quantity by using a mobile phone SIM card or a data communication flow card and by using a socket timing (a sampling interval is generally 10s) through a GPRS communication protocol. Therefore, on the premise of meeting business requirements of global large-scale and distributed remote monitoring and alarm disposal of diesel generator sets, the main technical defects of the existing cloud communication module are as follows: 1) the data types are not distinguished, the data flow caused by a full-volume sending mode is large, and the communication load on a mobile phone cellular base station is large; 2) the remote monitoring command response caused by the sending of the timing data is delayed, the randomness of the waiting time is obvious, and the longest time can reach 19 s; 3) data information with higher priority such as field operation and alarm of the generator set cannot be timely and effectively transmitted to the cloud server, and emergency disposal is delayed. Therefore, the invention provides a long-connection small-data-flow cloud communication module for a diesel generator set, which is used for solving the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a long-connection small-data-flow cloud communication module for a diesel generator set, wherein the cloud communication module can maintain 24 hours online by adopting long-connection communication, can send real-time data to a WEB server, and can also quickly respond to various instructions of a cloud service platform, and a logic control unit adopts a data push algorithm based on data change, so that data flow on a communication line can be greatly saved, and partition automatic scanning is adopted, so that data reading is more reasonable and reliable.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme:
the cloud communication module comprises a cloud service platform and a cloud communication module, wherein the cloud service platform comprises a WEB server, a database and a server receiving and sending program, the WEB server is connected with the database, the database is connected with the server receiving and sending program, the server receiving and sending program is in communication connection with the cloud communication module through a TCP/IP protocol, the server receiving and sending program is used for receiving sensor node acquisition data transmitted by the cloud communication module and storing the data into the database, and sending a control instruction of the WEB server in the database to the sensor node, the cloud communication module is in communication with the server receiving and sending program in a long connection mode, and the cloud communication module comprises an SIM card module, a GSM antenna module, a current-limiting resistor array module, a wireless module, an STC (serial communication terminal) singlechip, an analog-to-digital converter, a power chip, a power supply chip and the cloud, The cloud communication module is connected with the diesel generating set through an upper computer, relevant parameter configuration is carried out in a Flash storage area of the upper computer, the cloud communication module reads Modbus communication protocol commands of the Flash storage area in a timing mode, corresponding register data are read according to the Modbus communication protocol commands, then the data are reported to a WEB server, and the Flash storage area comprises a unit control register area, a unit alarm register area, a unit warning register area and a unit state register area, wherein the priority levels of the unit control register area, the unit alarm register area, the unit warning register area and the unit state register area are sequentially decreased.
The further improvement lies in that: the wireless module is a GSM/GPRS + GPS wireless module, and the communication interface is an RS232/485 communication interface.
The further improvement lies in that: the specific process that the server receiving and sending program receives the sensor node acquisition data transmitted by the cloud communication module and stores the data into the database is as follows: the server receiving and sending program creates a socket, then binds the IP and the port number, then starts to monitor the port, when the monitoring port has a receiving request, firstly carries out handshake, then reads the received data from the socket, and then extracts the read data according to the received data format and stores the valid data into the database.
The further improvement lies in that: the specific process of sending the control instruction of the WEB server in the database to the sensor node by the server receiving and sending program is as follows: when the server receiving and sending program reads the control instruction of the WEB server from the database, the control instruction is sent to the destination address through the socket when the control instruction changes, and the control instruction is not sent to the sensor node when the control instruction does not change.
The further improvement lies in that: and after the server receiving and sending program does not send a control command to the sensor node, the server receiving and sending program continues to monitor the socket port, receives data sent by the network access equipment and then stores the data into the database, and the server receiving and sending program runs until the socket is closed.
The further improvement lies in that: when the cloud communication module transmits the data collected by the sensor nodes, heartbeat packet data is sent to the WEB server once every 1 minute through the server sending and receiving program and is stored in the database, when the WEB server receives the data collected by the sensor nodes transmitted by the cloud communication module, no matter other data are sent, the time interval of the heartbeat packet is 60s, when the heartbeat packet is not received within 2-3 minutes by the WEB server, or the main data of the received heartbeat packet is null, the connection is considered to be a dead link, and the connection can be released.
The further improvement lies in that: and the unit control register area is used for monitoring all operation data of the diesel generator set in real time, uploading all the operation data to a database of a WEB server for storage at the first time and transmitting the operation data to a user side.
The further improvement lies in that: when the unit alarm register area reads data, traversal is performed every 10s, if the current traversal read data is different from the last read content, the current traversal read data is immediately reported to a WEB server, and the WEB server quickly returns an emergency disposal instruction after data analysis.
The further improvement lies in that: the unit warning register area is used for analyzing the running risks of the storage battery voltage, the lubricating oil pressure, the load voltage, the load current and the rotating speed of the diesel generating set and reporting the early warning observation request in time.
The further improvement lies in that: the unit state register area is used for reading register data at a timing point, a logic control unit is arranged in the unit state register area, the logic control unit adopts a data push algorithm based on data change, the unit state register area reads the register data and then compares the register data with the register data read last time, when the comparison change value is smaller than an allowable error delta x, the content of the register cannot be reported to a WEB server, and when the comparison change value is larger than the allowable error, the data is reported to the WEB server.
The invention has the beneficial effects that: according to the cloud communication module of the diesel generating set, long-connection communication is adopted, the cloud communication module can be kept online for 24 hours, real-time data can be sent to a WEB server, various instructions of a cloud service platform can be responded quickly, heartbeat packet data is sent every 1 minute, and connection of GPRS communication ports can be guaranteed.
Drawings
Fig. 1 is a schematic diagram of a structural framework of a cloud service platform according to the present invention.
Fig. 2 is a schematic diagram of a hardware structure of the cloud communication module according to the present invention.
Fig. 3 is a schematic view of a communication flow between a server transceiver and a cloud communication module according to the present invention.
Fig. 4 is a schematic diagram of a heartbeat packet communication process according to the present invention.
FIG. 5 is a schematic diagram of a data pushing algorithm based on data change according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to fig. 1, 2, 3, 4 and 5, the embodiment provides a diesel generator set cloud communication module with long connection and small data flow, which comprises a cloud service platform and a cloud communication module, wherein the cloud service platform comprises a WEB server, a database and a server receiving and sending program, the WEB server is connected with the database, the database is connected with the server receiving and sending program, the server receiving and sending program establishes communication connection with the cloud communication module through a TCP/IP protocol, the server receiving and sending program is used for receiving sensor node acquisition data transmitted by the cloud communication module and storing the data into the database, and sending a control instruction of the WEB server in the database to a sensor node, the cloud communication module adopts a long connection mode to communicate with the server receiving and sending program, and the cloud communication module comprises an SIM card module, a GSM antenna module, a current-limiting resistor array module and a current, The system comprises a wireless module, an STC single chip microcomputer, an analog-to-digital converter, a power supply chip, a communication interface and an analog quantity interface, wherein the wireless module is a GSM/GPRS + GPS wireless module, the communication interface is an RS232/485 communication interface, the cloud communication module is connected with a diesel generating set through an upper computer and performs related parameter configuration in a Flash storage area of the upper computer, the cloud communication module periodically reads Modbus communication protocol commands in the Flash storage area, reads corresponding register data according to the Modbus communication protocol commands and reports the data to a WEB server, and the Flash storage area comprises a unit control register area, a unit alarm register area, a unit warning register area and a unit state register area, the priority levels of which are sequentially decreased.
The specific process that the server receiving and sending program receives the sensor node acquisition data transmitted by the cloud communication module and stores the data into the database is as follows: the server receiving and sending program creates a socket, then binds the IP and the port number, then starts to monitor the port, when the monitoring port has a receiving request, firstly carries out handshake, then reads the received data from the socket, and then extracts the read data according to the received data format and stores the valid data into the database.
The specific process of sending the control instruction of the WEB server in the database to the sensor node by the server receiving and sending program is as follows: when the server receiving and sending program reads the control instruction of the WEB server from the database, the control instruction is sent to the destination address through the socket when the control instruction changes, and the control instruction is not sent to the sensor node when the control instruction does not change.
And after the server receiving and sending program does not send a control command to the sensor node, the server receiving and sending program continues to monitor the socket port, receives data sent by the network access equipment and then stores the data into the database, and the server receiving and sending program runs until the socket is closed.
When the cloud communication module transmits the data collected by the sensor nodes, heartbeat packet data is sent to the WEB server once every 1 minute through the server sending and receiving program and is stored in the database, when the WEB server receives the data collected by the sensor nodes transmitted by the cloud communication module, no matter other data are sent, the time interval of the heartbeat packet is 60s, when the heartbeat packet is not received within 2-3 minutes by the WEB server, or the main data of the received heartbeat packet is null, the connection is considered to be a dead link, and the connection can be released.
And the unit control register area is used for monitoring all operation data of the diesel generator set in real time, uploading all the operation data to a database of a WEB server for storage at the first time and transmitting the operation data to a user side.
When the unit alarm register area reads data, traversal is performed every 10s, if the current traversal read data is different from the last read content, the current traversal read data is immediately reported to a WEB server, and the WEB server quickly returns an emergency disposal instruction after data analysis.
The unit warning register area is used for analyzing the running risks of the storage battery voltage, the lubricating oil pressure, the load voltage, the load current and the rotating speed of the diesel generating set and reporting the early warning observation request in time.
The unit state register area is used for reading register data at a timing point, a logic control unit is arranged in the unit state register area, the logic control unit adopts a data push algorithm based on data change, the unit state register area reads the register data and then compares the register data with the register data read last time, when the comparison change value is smaller than an allowable error delta x, the content of the register cannot be reported to a WEB server, and when the comparison change value is larger than the allowable error, the data is reported to the WEB server.
According to the cloud communication module of the diesel generating set, long-connection communication is adopted, the cloud communication module can be kept online for 24 hours, real-time data can be sent to a WEB server, various instructions of a cloud service platform can be responded quickly, heartbeat packet data is sent every 1 minute, and connection of GPRS communication ports can be guaranteed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a diesel generating set cloud communication module of little data flow is connected to length which characterized in that: the cloud communication module is communicated with the server receiving and sending program in a long connection mode, and comprises an SIM card module, a GSM antenna module, a current-limiting resistor array module, a wireless module, an STC single chip microcomputer, an analog-to-digital converter, a power chip, a communication interface and an analog quantity interface, wherein the cloud communication module is connected with the diesel generator set through an upper computer, the cloud communication module reads Modbus communication protocol commands of the Flash storage area at regular time, reads corresponding register data according to the Modbus communication protocol commands, and reports the data to the WEB server, wherein the Flash storage area comprises a unit control register area, a unit alarm register area, a unit warning register area and a unit state register area, the priority levels of which are sequentially decreased;
the server receiving and sending program creates a socket, then binds the IP and the port number, then starts to monitor the port, when the monitoring port has a receiving request, firstly carries out handshake, then reads the received data from the socket, and then extracts the read data according to the received data format and stores the valid data into a database;
the specific process of sending the control instruction of the WEB server in the database to the sensor node by the server receiving and sending program is as follows: when the server receiving and sending program reads the control instruction of the WEB server from the database, the control instruction is sent to a destination address through a socket when the control instruction changes, and the control instruction is not sent to the sensor node when the control instruction does not change;
after the server receiving and sending program does not send a control instruction to the sensor node, the server receiving and sending program continues to monitor a socket port, receives data sent by the network access equipment and then stores the data into a database, and the server receiving and sending program runs until the socket is closed;
the unit state register area is used for reading register data at a timing point, a logic control unit is arranged in the unit state register area, the logic control unit adopts a data push algorithm based on data change, the unit state register area reads the register data and then compares the register data with the register data read last time, when the comparison change value is smaller than an allowable error delta x, the content of the register cannot be reported to a WEB server, and when the comparison change value is larger than the allowable error, the data is reported to the WEB server.
2. The cloud communication module of the diesel generator set with long connection and small data flow of claim 1, wherein: the wireless module is a GSM/GPRS + GPS wireless module, and the communication interface is an RS232/485 communication interface.
3. The cloud communication module of the diesel generator set with long connection and small data flow of claim 1, wherein: when the cloud communication module transmits the data collected by the sensor nodes, heartbeat packet data is sent to the WEB server once every 1 minute through the server sending and receiving program and is stored in the database, when the WEB server receives the data collected by the sensor nodes transmitted by the cloud communication module, no matter other data are sent, the time interval of the heartbeat packet is 60s, when the heartbeat packet is not received within 2-3 minutes by the WEB server, or the main data of the received heartbeat packet is null, the connection is considered to be a dead link, and the connection can be released.
4. The cloud communication module of the diesel generator set with long connection and small data flow of claim 1, wherein: and the unit control register area is used for monitoring all operation data of the diesel generator set in real time, uploading all the operation data to a database of a WEB server for storage at the first time and transmitting the operation data to a user side.
5. The cloud communication module of the diesel generator set with long connection and small data flow of claim 1, wherein: when the unit alarm register area reads data, traversal is performed every 10s, if the current traversal read data is different from the last read content, the current traversal read data is immediately reported to a WEB server, and the WEB server quickly returns an emergency disposal instruction after data analysis.
6. The cloud communication module of the diesel generator set with long connection and small data flow of claim 1, wherein: the unit warning register area is used for analyzing the running risks of the storage battery voltage, the lubricating oil pressure, the load voltage, the load current and the rotating speed of the diesel generating set and reporting the early warning observation request in time.
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| CN111752918B (en) * | 2020-05-15 | 2023-12-22 | 南京国电南自维美德自动化有限公司 | Historical data interaction system and configuration method thereof |
| CN114977503B (en) * | 2022-06-02 | 2023-09-08 | 中交机电工程局有限公司 | Full-chain monitoring system and method for running state of integrated system |
| CN115460256A (en) * | 2022-09-26 | 2022-12-09 | 北京树米网络科技有限公司 | Internet of things equipment monitoring system |
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| CN104811444A (en) * | 2015-04-02 | 2015-07-29 | 谢杰涛 | Secure cloud control method and system |
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