CN114513532A - Application system of Internet of things architecture - Google Patents
Application system of Internet of things architecture Download PDFInfo
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- CN114513532A CN114513532A CN202011181844.2A CN202011181844A CN114513532A CN 114513532 A CN114513532 A CN 114513532A CN 202011181844 A CN202011181844 A CN 202011181844A CN 114513532 A CN114513532 A CN 114513532A
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- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000012795 verification Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- 101100509468 Arabidopsis thaliana JASON gene Proteins 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
The invention discloses an application system of an internet of things architecture, which is used in the automobile charging industry and comprises a charging pile device, an edge gateway and an internet of things management platform, wherein the edge gateway is respectively in communication connection with the charging pile device and the internet of things management platform, receives and converts signals in the charging pile device and then sends the signals to the internet of things management platform, or the edge gateway receives and processes information of the internet of things management platform and then sends the information to the charging pile management device. The order information generated by the mobile phone APP is transmitted to the charging pile device through the Bluetooth, and then is transmitted back to the local router through the charging pile device to complete local quick settlement, and the information such as the state of the electric pile, the charging amount of the electric pile, the reason for the suspension service of the electric pile, the fault of the electric pile and the like is carried through a communication protocol of the Internet of things gateway and the electric pile, can be transmitted to a remote server, assists in online operation and fault removal, and simultaneously reduces data interaction and flow consumption.
Description
Technical Field
The invention relates to the field of Internet of things, in particular to an application system of an Internet of things architecture.
Background
The top-level architecture implementation defined by the standard organization ESTI in its description M2M (Machine to Machine) is cited in the prior art, and as shown in fig. 1, the current common internet of things architecture in the industry is similar thereto, and mainly involves four parts, including: 1. a device access layer; 2. an edge gateway; 3. a carrying net; 4. a server side; the equipment access layer uses intelligent control and communication functions such as MCU, Bluetooth and wifi. The invention relates to a charging control function, and the wireless middle and long distance communication of an edge gateway selects 4G/2G, Lora, NB-IOT; selecting wired broadband in wired long-distance communication department, and the like; the bearing network can be a G/2G base station, a mobile bearing network, an inter-city network, an inter-provincial backbone network, a national backbone network, an international submarine cable and the like; the server side is MQTT (Message Queuing telemeasuring Transport) gateway, VPN gateway, safety access authentication, Message middleware, service server, service data server MYSQL technology, process data MongoDB and the like. Furthermore, the communications protocol standard OCPP (open electrical pile protocol) is relevant in the charging industry.
The existing internet of things framework has defects or problems in the application of the charging industry:
1. the signal of the construction position of the charging pile is poor, and the charging pile comprises an underground parking lot and a highway which all need a large number of charging piles and are difficult to be networked;
2. the dependence on remote control function is unstable, the user experience is poor, the meter reading is not timely under the condition of no network, and the settlement of the service order is slow;
3. the security is poor, and wireless data is easy to intercept and attack;
4. charging pile fault feedback and positioning are difficult, the charging pile system calculation and communication resource capacity is limited, and effective means is lacked for on-line operation and fault removal;
5. networking cost is high, and traffic consumption is fast.
Therefore, improvements in the prior art are needed.
Disclosure of Invention
In order to overcome the defects in the prior art, an application system of an internet of things architecture is provided, and the problems of difficulty in networking of charging piles, instable remote control function and slow settlement of users caused by poor coverage of a bearing network and 4G signals are solved.
In order to achieve the purpose, the application system of the internet of things architecture is used for the automobile charging industry and comprises a charging pile device, an edge gateway and an internet of things management platform, wherein the edge gateway is respectively in communication connection with the charging pile device and the internet of things management platform, receives signals in the charging pile device, converts the signals and sends the signals to the internet of things management platform, or the edge gateway receives and processes information of the internet of things management platform and sends the information to the charging pile management device.
In the application system of the internet of things architecture, the edge gateway receives heartbeat information of the charging pile device, writes in a periodic heartbeat JSON file according to the protocol convention of the MQTT/OCPP standard and uploads the periodic heartbeat JSON file to the internet of things management platform.
In the application system of the internet of things architecture, the heartbeat period is 10 seconds.
In the application system of the internet of things architecture, the edge gateway receives the equipment state change instruction of the charging pile device, translates the equipment state change instruction into the JASON format defined by the OCPP protocol, and uploads the JASON format to the background.
In the application system of the internet of things architecture, the edge gateway initiates verification or stop notification to the internet of things management platform after receiving the charging request or stopping charging of the charging pile device, and feeds back the verification result or stop notification to the charging pile device.
In the application system of the internet of things architecture, the edge gateway receives the emergency stop information of the internet of things management platform and then sends the emergency stop information to the charging pile device, and the edge gateway receives the information of successful remote stop of the charging pile device and then feeds the information back to the internet of things management platform.
Compared with the prior art, the technical scheme adopted by the invention has the beneficial effects that:
1. the distributed edge computing capability is provided through the Internet of things gateway, and the problems of difficult networking of charging piles, unstable remote control function and slow settlement of users caused by poor coverage of a bearing network and 4G signals are solved;
2. the information such as the state of the electric pile, the charging amount of the electric pile, the reason for suspension service of the electric pile, the fault of the electric pile and the like is carried through a communication protocol of the Internet of things gateway and the electric pile, and can be transmitted to a remote server to assist on-line operation and fault removal;
3. by realizing the meter reading and edge calculation statistical functions of the Internet of things gateway, data interaction is reduced, and flow consumption is reduced.
Drawings
Fig. 1 is a schematic diagram of a prior art internet of things architecture;
fig. 2 is a schematic diagram of the heartbeat monitoring and periodic uploading in the application system of the architecture of the internet of things of the present invention;
fig. 3 is a schematic diagram of state reporting and translation uploading of an electric pile in an application system of the internet of things architecture according to the present invention;
fig. 4 is a schematic diagram of a charging verification process in an application system of the internet of things architecture according to the present invention;
fig. 5 is a schematic diagram of charging stop notification in an application system of the internet of things architecture according to the present invention;
fig. 6 is a schematic diagram of remote control charging stop in an application system of the internet of things architecture according to the present invention;
FIG. 7 is a schematic diagram of meter reading logic in an application system of the Internet of things architecture of the present invention;
fig. 8 is a schematic diagram of the flag logic in the application system of the internet of things architecture according to the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The drawings attached to the present specification, the depicted structures, ratios, sizes, and the like are only used for matching the disclosure of the present specification, so that those skilled in the art can understand and read the present specification, and do not limit the conditions that the present invention can be implemented, so that the present specification does not have a substantial technical meaning, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The application system of the Internet of things architecture is used for the automobile charging industry and comprises a charging pile device, an edge gateway and an Internet of things management platform, wherein the edge gateway is in communication connection with the charging pile device and the Internet of things management platform respectively, the edge gateway receives and converts signals in the charging pile device and then sends the signals to the Internet of things management platform, or the edge gateway receives and processes information of the Internet of things management platform and then sends the information to the charging pile management device.
The charging pile provides a charging device for a client automobile, and has the communication capabilities of local business processing and Bluetooth, wifi and RJ45 network ports; edge gateway: based on open source openwrt secondary development, the method mainly provides basic functions of equipment access and network communication and an edge calculation function supporting charging service (specific functions and technical implementation are explained in the following patent protection points one by one). The charging service realizes that the charging verification and remote start-stop are carried out from the edge gateway to the background based on the agreement of a standard OCPP (open charge point protocol) protocol, the charging state is informed, and related functions are realized, and simultaneously, the conversion from the OCPP to the charging instruction based on the self-defining according to the power supply is realized by the instruction exchange of the electric pile and the background and is sent to the electric pile; the management platform of the Internet of things: the method comprises the steps of collecting state information of the electric pile and edge gateway equipment based on an MQTT protocol, and carrying out connection request and authentication, configuration management of the electric pile, firmware upgrading, start-stop control and state feedback in a charging process based on an OCPP protocol.
In the actual charging service, because the electric pile does not guarantee 100% of capability of communicating with the background or effectively realize efficient instruction analysis and execution due to network reliability, limited embedded system resources in the electric pile and the like, in the access management of the electric pile and protocol interaction in the charging process, an edge gateway needs to realize the conversion from an OCPP protocol to a socket-based binary instruction agreed by the electric pile to complete the whole charging service, the protocol conversion and service processing flow under the whole internet of things architecture mainly comprises equipment online heartbeat monitoring and translation period return (OCPP protocol agreement), equipment state change report, charging request and verification, remote charging and charging stop notification, the specific flow is shown in fig. 2, the edge gateway receives periodic heartbeats from the electric pile, the electric pile and the online state thereof are identified based on a self-defined 0x81 instruction in a p tcsoket extension field, the period is set to be 10 seconds, the edge gateway is set to be a period of 3-5 minutes, and the heartbeat JSON file is written according to the online state of the electric pile and the MQTT/OCPP standard protocol convention and uploaded to the Internet of things management platform.
The 0X81 instruction data format defines:
in addition, the processes of state reporting, translation uploading, charging verification process and charging stop notification of the electric pile are similar to those of the previous method, the edge gateway receives a device state change instruction (0x81) from the electric pile, translates the device state change instruction into a JASON format defined by an OCPP protocol and uploads the JASON format to a background, as shown in fig. 3 to 5, the edge gateway receives the device state change instruction of the charging pile device and then translates the device state change instruction into the JASON format defined by the OCPP protocol and uploads the JASON format to a background internet of things management platform; after receiving a charging request or stopping charging of the charging pile device, the edge gateway initiates verification or stop notification to the Internet of things management platform, and feeds back a verification result or stop notification to the charging pile device; in the process of stopping charging under remote control, as shown in fig. 6, after receiving the emergency stop information of the internet of things management platform, the edge gateway sends the emergency stop information to the charging pile device, and after receiving the information that the remote stop of the charging pile device is successful, the edge gateway feeds back the information to the internet of things management platform.
When the meter is used, the actually generated charging amount needs to be uploaded to a background in combination with user information, and the process is simply called meter reading. However, in actual service application, the network stability and the timeliness of order settlement need to be considered, and complex requirements such as data redundancy uploading and the like are avoided. Therefore, the charging solution of the internet of things defines related meter reading service and marking service logic (avoiding repeated meter reading and uploading), the meter reading logic is shown in fig. 7, the marking logic is shown in fig. 8, and the marking aims to avoid repeated uploading of the charging records and save precious mobile traffic.
According to the application system of the Internet of things architecture, order information generated by the mobile phone APP is transmitted to the charging pile device through the Bluetooth, and then is transmitted back to the local router through the charging pile device to complete local quick settlement, information such as the state of the electric pile, the charging amount of the electric pile, the reason of electric pile suspension service, electric pile fault and the like is carried through a communication protocol of the Internet of things gateway and the electric pile, and can be transmitted to the remote server to assist on-line operation and fault removal, meanwhile, data interaction is reduced, and flow consumption is reduced.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.
Claims (6)
1. An application system of an internet of things architecture is used for the automobile charging industry and is characterized by comprising a charging pile device, an edge gateway and an internet of things management platform, wherein the edge gateway is in communication connection with the charging pile device and the internet of things management platform respectively, receives signals in the charging pile device, converts the signals and sends the signals to the internet of things management platform, or the edge gateway receives and processes information of the internet of things management platform and sends the information to the charging pile management device.
2. The application system of the Internet of things architecture as claimed in claim 1, wherein the edge gateway receives heartbeat information of the charging pile device, writes in a periodic heartbeat JSON file according to an MQTT/OCPP standard protocol convention, and uploads the periodic heartbeat JSON file to the Internet of things management platform.
3. The system of claim 2, wherein the heartbeat cycle is 10 seconds.
4. The application system of the Internet of things architecture as claimed in claim 1, wherein the edge gateway receives the equipment state change instruction of the charging pile device, translates the equipment state change instruction into a JASON format defined by an OCPP protocol, and uploads the JASON format to the background.
5. The application system of the Internet of things architecture as claimed in claim 1, wherein the edge gateway initiates verification or stop notification to the Internet of things management platform after receiving a charging request or stopping charging of the charging pile device, and feeds back a verification result or stop notification to the charging pile device.
6. The application system of the Internet of things architecture as claimed in claim 1, wherein the edge gateway sends the information of the emergency stop of the Internet of things management platform to the charging pile device after receiving the information of the successful remote stop of the charging pile device and feeds the information back to the Internet of things management platform after receiving the information of the successful remote stop of the charging pile device.
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| CN202011181844.2A CN114513532A (en) | 2020-10-29 | 2020-10-29 | Application system of Internet of things architecture |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088501A1 (en) * | 2015-11-27 | 2017-06-01 | 大唐移动通信设备有限公司 | Charging method and device |
| CN108268956A (en) * | 2016-12-30 | 2018-07-10 | 阿托斯全球网络公司 | Vehicular charging point infrastructure management and its system |
| CN110329090A (en) * | 2019-03-09 | 2019-10-15 | 国网电动汽车服务有限公司 | It is a kind of that the charging system for electric automobile of unaware payment is provided |
| CN210780851U (en) * | 2019-11-20 | 2020-06-16 | 珠海派诺科技股份有限公司 | Edge computing gateway device and information transmission system |
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- 2020-10-29 CN CN202011181844.2A patent/CN114513532A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088501A1 (en) * | 2015-11-27 | 2017-06-01 | 大唐移动通信设备有限公司 | Charging method and device |
| CN108268956A (en) * | 2016-12-30 | 2018-07-10 | 阿托斯全球网络公司 | Vehicular charging point infrastructure management and its system |
| CN110329090A (en) * | 2019-03-09 | 2019-10-15 | 国网电动汽车服务有限公司 | It is a kind of that the charging system for electric automobile of unaware payment is provided |
| CN210780851U (en) * | 2019-11-20 | 2020-06-16 | 珠海派诺科技股份有限公司 | Edge computing gateway device and information transmission system |
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