CN107919995B - Intelligent transportation operation and maintenance terminal based on internet of things technology - Google Patents
Intelligent transportation operation and maintenance terminal based on internet of things technology Download PDFInfo
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- CN107919995B CN107919995B CN201711383425.5A CN201711383425A CN107919995B CN 107919995 B CN107919995 B CN 107919995B CN 201711383425 A CN201711383425 A CN 201711383425A CN 107919995 B CN107919995 B CN 107919995B
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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
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0681—Configuration of triggering conditions
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Abstract
The invention provides an intelligent transportation operation and maintenance terminal based on the technology of the Internet of things; the terminal is connected with the front-end equipment and is also connected with a remote server; the terminal comprises a central control module, a circuit detection module, an optical fiber detection module and a network detection module; the circuit detection module detects power supply parameters of the front-end equipment; the optical fiber detection module detects the state of an optical fiber link of the front-end equipment; the network detection module detects the network state of the front-end equipment; the central control module sends the power supply parameters, the optical fiber link state and the network state to the server, judges whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switches the power supply mode of the front-end equipment when the power supply is abnormal; and when the optical fiber link fails, switching the transmission mode of the front-end equipment. The invention can comprehensively and carefully monitor the running state of the front-end equipment, and has better monitoring effect; when equipment breaks down, the user can know the specific failure reason and maintain in time, and the operation and maintenance efficiency of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of system operation and maintenance, in particular to an intelligent traffic operation and maintenance terminal based on the technology of the Internet of things.
Background
Along with the continuous expansion of the construction scale of the urban command traffic system, the operation and maintenance work after the system is constructed becomes more important; the existing intelligent transportation operation and maintenance system can collect the running state of the front-end equipment, automatically alarms when faults occur, and automatically dispatches a work order, but the mode is difficult to detect the specific faults of the front-end equipment, the monitoring effect is poor, and the operation and maintenance efficiency is low.
Aiming at the problems that the existing monitoring mode for the front-end equipment of the urban command traffic system is rough and the monitoring effect is poor, an effective solution is not provided.
Disclosure of Invention
In view of this, the present invention provides an intelligent transportation operation and maintenance terminal, system and method based on the internet of things technology, so as to comprehensively and carefully monitor the operation state of the front-end device and improve the operation and maintenance efficiency of the device.
In a first aspect, the embodiment of the invention provides an intelligent transportation operation and maintenance terminal based on the technology of the internet of things, wherein the terminal is connected with front-end equipment of a city command traffic system; the terminal is also connected with a remote server; the terminal comprises a central control module, a circuit detection module, an optical fiber detection module and a network detection module; the circuit detection module is used for detecting power supply parameters of the front-end equipment; the optical fiber detection module is used for detecting the state of an optical fiber link of the front-end equipment; the network detection module is used for detecting the network state of the front-end equipment; the central control module is used for sending the power supply parameters, the optical fiber link state and the network state to the server; the power supply system is also used for judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; and when the optical fiber link fails, switching the transmission mode of the front-end equipment.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the terminal further includes a battery module; the central control module is also used for activating the storage battery module to supply power to the front-end equipment when the power supply of the front-end equipment is abnormal; the power supply abnormality alarm is also used for generating a power supply abnormality alarm and sending the power supply abnormality alarm to the server; the power supply abnormity warning comprises position information, identification and power supply fault category of the terminal.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the terminal further includes an NB-iot transmission module; the central control module is also used for activating the NB-iot transmission module to transmit data for the front-end equipment when the optical fiber link fails; the system is also used for generating a link abnormity alarm and sending the link abnormity alarm to the server through the NB-iot transmission module; the link abnormity alarm comprises position information, identification and link fault category of the terminal.
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the network detection module is connected to a switch of a front-end device through an RJ45 interface; the network detection module is also used for detecting the link state of the terminal equipment, the on-off state of the equipment network, the quality state of the equipment network and the broadcast state in the local area network formed by the front-end equipment.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the terminal further includes an environment detection module; the environment detection module is connected with the central control device; the environment detection module is used for detecting environment parameters in the terminal; the environmental parameters include at least temperature and humidity.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the terminal further includes a GPS positioning module; the GPS positioning module is used for sending the position information of the terminal to the server.
In a second aspect, an embodiment of the present invention provides an intelligent transportation operation and maintenance system based on an internet of things technology, where the system includes the terminal and a server.
In a third aspect, the embodiment of the invention provides an intelligent transportation operation and maintenance method based on the internet of things technology, which is applied to the terminal; the method comprises the following steps: the circuit detection module detects power supply parameters of the front-end equipment; the optical fiber detection module detects the state of an optical fiber link of the front-end equipment; the network detection module detects the network state of the front-end equipment; the central control module sends the power supply parameters, the optical fiber link state and the network state to a server; judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; and when the optical fiber link fails, switching the transmission mode of the front-end equipment.
With reference to the third aspect, an embodiment of the present invention provides a first possible implementation manner of the third aspect, where when the terminal includes a battery module, the method further includes: when the power supply of the front-end equipment is abnormal, the central control module activates the storage battery module to supply power to the front-end equipment; generating a power supply abnormity alarm and sending the power supply abnormity alarm to a server; the power supply abnormality alarm comprises position information, identification and power supply fault category of the method.
With reference to the third aspect, an embodiment of the present invention provides a second possible implementation manner of the third aspect, where when the terminal includes an NB-iot transmission module, the method further includes: when the optical fiber link fails, the central control module activates the NB-iot transmission module to transmit data for the front-end equipment; generating a link abnormity alarm, and sending the link abnormity alarm of the NB-iot transmission module to a server; the link abnormity alarm comprises position information, identification and link fault category of the method.
The embodiment of the invention has the following beneficial effects:
according to the intelligent transportation operation and maintenance terminal, the system and the method based on the Internet of things technology, the power supply parameters of the front-end equipment are detected through the circuit detection module, the optical fiber detection module detects the optical fiber link state of the front-end equipment, and the network detection module detects the network state of the front-end equipment; the power supply parameters, the optical fiber link state and the network state are sent to the server through the central control module, whether the power supply of the front-end equipment is abnormal or not is judged according to the power supply parameters, and when the power supply is abnormal, the power supply mode of the front-end equipment is switched; and when the optical fiber link fails, switching the transmission mode of the front-end equipment. The method can comprehensively and carefully monitor the running state of the front-end equipment, and has a good monitoring effect; when equipment breaks down, the user can know the specific failure reason and maintain in time, and the operation and maintenance efficiency of the equipment is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent transportation operation and maintenance terminal based on the technology of the internet of things according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another intelligent transportation operation and maintenance terminal based on the internet of things technology according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an intelligent transportation operation and maintenance system based on the internet of things technology according to an embodiment of the present invention;
fig. 4 is a flowchart of an intelligent transportation operation and maintenance method based on the internet of things technology according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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.
In consideration of the problems that the existing monitoring mode for front-end equipment of the urban command traffic system is rough and the monitoring effect is poor, the embodiment of the invention provides an intelligent traffic operation and maintenance terminal, system and method based on the technology of the Internet of things; the technology can be applied to operation and maintenance monitoring of relevant equipment in the urban command traffic system; the techniques may be implemented in associated software or hardware, as described by way of example below.
Referring to fig. 1, a schematic structural diagram of an intelligent transportation operation and maintenance terminal based on the internet of things technology is shown; the terminal is connected with the front-end equipment of the urban command traffic system; the terminal is also connected with a remote server; the terminal comprises a central control module 10, a circuit detection module 11, an optical fiber detection module 12 and a network detection module 13;
the circuit detection module 11 is used for detecting power supply parameters of the front-end equipment; the optical fiber detection module 12 is configured to detect an optical fiber link state of a front-end device; the network detection module 13 is configured to detect a network state of the front-end device;
the central control module 10 is configured to send the power supply parameter, the optical fiber link state, and the network state to the server; the power supply system is also used for judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; and when the optical fiber link fails, switching the transmission mode of the front-end equipment.
Specifically, the circuit detection module has a circuit detection function, and can detect power supply parameters in the equipment chassis, wherein the power supply parameters include a voltage value and a current value. When the power supply of the equipment fails, the central control module can switch the power supply mode to the storage battery power supply mode and switch the transmission mode to the NB-iot narrow-band transmission mode.
The optical fiber detection module can adopt an optical fiber access mode to perform optical fiber detection as a part of an optical fiber link, the detection content comprises information such as the on-off state of the optical fiber link, the optical fiber light attenuation loss and the optical fiber breakpoint positioning, and when the optical fiber link fails, the central control module can switch the transmission mode into an NB-iot narrow-band transmission mode.
When the power supply of the front-end equipment is abnormal, the optical fiber link fails or the network fails, the central control module can send failure information to a remote server; when the optical fiber link fails, the central control module can send the failure information through the switched link.
The terminal can be provided with a plurality of power supply lines or power supply sources, and when the current power supply is abnormal, the central control module can control and switch the power supply lines or power supply circuits, for example, a standby storage battery is used for supplying power; the terminal can be provided with a plurality of optical fiber links or data transmission links, and when the current optical fiber link fails, the central control module can control and switch other optical fiber links or data transmission links so as to keep the communication link between the terminal and the server smooth.
According to the intelligent transportation operation and maintenance terminal based on the technology of the internet of things, the power supply parameters of the front-end equipment are detected through the circuit detection module, the optical fiber detection module detects the optical fiber link state of the front-end equipment, and the network detection module detects the network state of the front-end equipment; the power supply parameters, the optical fiber link state and the network state are sent to the server through the central control module, whether the power supply of the front-end equipment is abnormal or not is judged according to the power supply parameters, and when the power supply is abnormal, the power supply mode of the front-end equipment is switched; and when the optical fiber link fails, switching the transmission mode of the front-end equipment. The method can comprehensively and carefully monitor the running state of the front-end equipment, and has a good monitoring effect; when equipment breaks down, the user can know the specific failure reason and maintain in time, and the operation and maintenance efficiency of the equipment is improved.
Referring to fig. 2, a schematic structural diagram of another intelligent transportation operation and maintenance terminal based on the internet of things technology is shown; the terminal is implemented on the basis of the terminal shown in fig. 1; the terminal is connected with the front-end equipment of the urban command traffic system; the terminal is also connected with a remote server; the terminal comprises a central control module 10, a circuit detection module 11, an optical fiber detection module 12 and a network detection module 13;
further, the terminal also includes a battery module 14; the central control module is further configured to activate the storage battery module 14 to supply power to the front-end device when the power supply of the current terminal device is abnormal; the central control module is also used for generating a power supply abnormity alarm and sending the power supply abnormity alarm to the server; the power supply abnormality alarm comprises position information, identification and power supply fault category of the terminal. The storage battery module supports automatic power supply switching after the power supply is switched off, and the storage battery can meet normal operation of the equipment for at least one hour after the power supply is switched off.
Generally, when the server receives the power supply abnormality alarm, a maintenance work order can be automatically generated and sent to the corresponding operation and maintenance engineer to prompt the operation and maintenance engineer to perform immediate maintenance.
Further, the terminal also includes an NB-iot (Narrow Band Internet of Things over cellular network) transmission module 15; the central control module is further configured to activate the NB-iot transmission module 15 to transmit data for the front-end device when the optical fiber link fails; the central control module is also used for generating a link abnormity alarm and sending the link abnormity alarm of the NB-iot transmission module to the server; the link abnormity alarm comprises position information, identification and link fault category of the terminal.
NB-iot is an important branch of the Internet of things. The NB-iot is constructed on the basis of a cellular network, consumes only about 180KHz bandwidth, can be directly deployed on a GSM (Global System for Mobile communication), UMTS (Universal Mobile Telecommunications System), or LTE (Long Term Evolution of the Universal Mobile Telecommunications technology) network, has low deployment cost, and realizes smooth upgrade.
Generally, when the server receives the link abnormality alarm, a maintenance work order may be automatically generated and sent to the corresponding operation and maintenance engineer to prompt the operation and maintenance engineer to perform an immediate maintenance.
Further, the network detection module is connected with a switch of the front-end device through an RJ45 interface; the network detection module is also used for detecting the link state of the terminal equipment, the on-off state of the equipment network, the quality state of the equipment network and the broadcast state in the local area network formed by the front-end equipment.
Further, the terminal also comprises an environment detection module 16; the environment detection module 16 is connected with a central control device; the environment detection module 16 is used for detecting environment parameters in the terminal; the environmental parameters include at least temperature and humidity. The environment detection module may be implemented by various sensors, for example, a temperature sensor, a humidity sensor, and the like.
The terminal further includes a GPS (global positioning System) positioning module 17; the GPS positioning module 17 is used to send the position information of the terminal to the server.
The GPS positioning module can send the position information of the terminal to the server at regular time; the position information can be bound with the equipment identification of the terminal; when the terminal is stolen, the terminal can supply power by means of the storage battery module and send position information to the server.
The terminal can also be provided with a network disconnection and power failure warning module, and by combining the circuit detection module, the network detection module and the optical fiber detection module, when network disconnection and power failure occur, warning information is automatically generated and transmitted to a background in an NB-iot transmission mode (the warning information can comprise GPS information, equipment codes and fault types).
Meanwhile, the terminal also supports interface butt joint with the existing intelligent traffic operation and maintenance system of the traffic police team, and can upload alarm information and detection results of all modules to the intelligent traffic operation and maintenance system in real time.
In addition, in order to ensure the data transmission safety and the intelligent traffic data safety, the terminal needs to adopt an international advanced data encryption technology to encrypt the transmission data in a data transmission mode so as to ensure the data transmission safety.
Referring to fig. 3, a schematic structural diagram of an intelligent transportation operation and maintenance system based on the internet of things technology is shown; the system comprises the intelligent transportation operation and maintenance terminal 30 and a server 31.
The intelligent transportation operation and maintenance system based on the internet of things technology provided by the embodiment of the invention has the same technical characteristics as the intelligent transportation operation and maintenance device based on the internet of things technology provided by the embodiment, so that the same technical problems can be solved, and the same technical effect can be achieved.
Corresponding to the terminal embodiment and the system embodiment, refer to a flowchart of an intelligent transportation operation and maintenance method based on the internet of things technology shown in fig. 4; the method is applied to the intelligent transportation operation and maintenance terminal based on the Internet of things technology; the method comprises the following steps:
step S402, a circuit detection module detects power supply parameters of front-end equipment;
step S404, the optical fiber detection module detects the optical fiber link state of the front-end equipment;
step S406, the network detection module detects the network state of the front-end equipment;
step S408, the central control module sends the power supply parameters, the optical fiber link state and the network state to a server; judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; and when the optical fiber link fails, switching the transmission mode of the front-end equipment.
According to the intelligent transportation operation and maintenance method based on the Internet of things technology, the power supply parameters of the front-end equipment are detected through the circuit detection module, the optical fiber detection module detects the optical fiber link state of the front-end equipment, and the network detection module detects the network state of the front-end equipment; the power supply parameters, the optical fiber link state and the network state are sent to the server through the central control module, whether the power supply of the front-end equipment is abnormal or not is judged according to the power supply parameters, and when the power supply is abnormal, the power supply mode of the front-end equipment is switched; and when the optical fiber link fails, switching the transmission mode of the front-end equipment. The method can comprehensively and carefully monitor the running state of the front-end equipment, and has a good monitoring effect; when equipment breaks down, the user can know the specific failure reason and maintain in time, and the operation and maintenance efficiency of the equipment is improved.
Further, when the terminal includes a battery module, the method further includes: when the power supply of the front-end equipment is abnormal, the central control module activates the storage battery module to supply power to the front-end equipment; generating a power supply abnormity alarm and sending the power supply abnormity alarm to a server; the power supply abnormality alarm comprises position information, identification and power supply fault category of the method.
When the terminal comprises the NB-iot transmission module, the method further comprises: when the optical fiber link fails, the central control module activates the NB-iot transmission module to transmit data for the front-end equipment; generating a link abnormity alarm, and sending the link abnormity alarm of the NB-iot transmission module to a server; the link abnormity alarm comprises position information, identification and link fault category of the method.
The embodiment of the invention also provides an intelligent operation and maintenance box (equivalent to the intelligent traffic operation and maintenance terminal based on the internet of things technology), which realizes the function of integrating operation and maintenance and data transmission. The intelligent operation and maintenance box aims at monitoring the operation state of front-end equipment, comprises a power supply condition, a network condition and a link condition, and has a data transmission function, when an original optical fiber link fails, the network can be automatically switched to an NB-iot network for data return, and the system operation and maintenance function and the network transmission function are integrated. Specifically, the intelligent operation and maintenance box is an industrial-grade front-end application device and comprises a circuit detection module, an optical fiber detection module, a network detection module, a GPS (global positioning system) positioning module, an environment detection module, a power failure and network disconnection warning module, an NB-iot transmission module and a storage battery module.
The intelligent operation and maintenance box meets the industrial application requirements in the physical requirement specification, has an aluminum alloy shell, meets the IP-31 industrial protection standard, meets the working temperature range of-15 to 75 ℃ in the severe working environment of an outfield, and has the moisture-proof and corrosion-resistant functions. Meanwhile, the product is required to be protected by lightning protection, is suitable for outdoor use, has the anti-surge voltage of 4kV, and meets the working condition of stable transmission.
The computer program product of the intelligent transportation operation and maintenance terminal, system and method based on the technology of the internet of things provided by the embodiments of the present invention includes a computer readable storage medium storing program codes, instructions included in the program codes may be used to execute the method described in the foregoing method embodiments, and specific implementation may refer to the method embodiments, and will not be described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An intelligent traffic operation and maintenance terminal based on the technology of the Internet of things is characterized in that the terminal is connected with front-end equipment of a city command traffic system; the terminal is also connected with a remote server; the terminal comprises a central control module, a storage battery module, an NB-iot transmission module, a circuit detection module, an optical fiber detection module and a network detection module;
the circuit detection module is used for detecting power supply parameters of the front-end equipment; the optical fiber detection module is used for detecting the state of an optical fiber link of the front-end equipment; the network detection module is used for detecting the network state of the front-end equipment;
the central control module is used for sending the power supply parameters, the optical fiber link state and the network state to the server; the power supply system is also used for judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; when the optical fiber link fails, switching the transmission mode of the front-end equipment;
the central control module is also used for activating the storage battery module to supply power to the front-end equipment when the power supply of the front-end equipment is abnormal; the server is also used for generating a power supply abnormity alarm and sending the power supply abnormity alarm to the server; the power supply abnormality alarm comprises position information, identification and power supply fault category of the terminal;
the central control module is further configured to activate the NB-iot transmission module to transmit data for the front-end device when the optical fiber link fails; the NB-iot transmission module is used for sending the link abnormity alarm to the server; the link abnormity warning comprises the position information, the identification and the link fault category of the terminal.
2. The terminal of claim 1, wherein the network detection module is connected to the switch of the head-end device through an RJ45 interface;
the network detection module is further used for detecting a link state of the terminal device, a device network on-off state, a device network quality state and a broadcast state in a local area network formed by the front-end device.
3. The terminal of claim 1, further comprising an environment detection module; the environment detection module is connected with the central control device;
the environment detection module is used for detecting environment parameters in the terminal; the environmental parameters include at least temperature and humidity.
4. The terminal of claim 1, further comprising a GPS location module;
and the GPS positioning module is used for sending the position information of the terminal to the server.
5. An intelligent transportation operation and maintenance system based on the technology of the internet of things, which is characterized by comprising the terminal of any one of claims 1 to 4 and a server.
6. An intelligent transportation operation and maintenance method based on the technology of the Internet of things is characterized in that the method is applied to the terminal of any one of claims 1 to 4; the method comprises the following steps:
the circuit detection module detects power supply parameters of the front-end equipment;
the optical fiber detection module detects the state of an optical fiber link of the front-end equipment;
the network detection module detects the network state of the front-end equipment;
the central control module sends the power supply parameters, the optical fiber link state and the network state to the server; judging whether the power supply of the front-end equipment is abnormal or not according to the power supply parameters, and switching the power supply mode of the front-end equipment when the power supply is abnormal; when the optical fiber link fails, switching the transmission mode of the front-end equipment;
when the power supply of the front-end equipment is abnormal, the central control module activates the storage battery module to supply power to the front-end equipment;
when the optical fiber link fails, the central control module activates the NB-iot transmission module to transmit data for the front-end device.
7. The method of claim 6, further comprising:
when the power supply of the front-end equipment is abnormal, the central control module generates a power supply abnormality alarm and sends the power supply abnormality alarm to the server; wherein the power supply abnormality alarm comprises the position information, the identification and the power supply fault category of the method.
8. The method of claim 6, further comprising:
when the optical fiber link fails, the central control module generates a link abnormity alarm, and the link abnormity alarm is sent to the server through the NB-iot transmission module; wherein the link abnormity warning comprises the position information, the identification and the link fault category of the method.
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| CN201711383425.5A CN107919995B (en) | 2017-12-20 | 2017-12-20 | Intelligent transportation operation and maintenance terminal based on internet of things technology |
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| CN201711383425.5A CN107919995B (en) | 2017-12-20 | 2017-12-20 | Intelligent transportation operation and maintenance terminal based on internet of things technology |
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|---|---|---|---|---|
| CN108880878A (en) * | 2018-06-11 | 2018-11-23 | 江苏航天大为科技股份有限公司 | NB-IOT network switching device |
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