CN210464725U - System for monitoring cable temperature - Google Patents
System for monitoring cable temperature Download PDFInfo
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- CN210464725U CN210464725U CN201920623006.2U CN201920623006U CN210464725U CN 210464725 U CN210464725 U CN 210464725U CN 201920623006 U CN201920623006 U CN 201920623006U CN 210464725 U CN210464725 U CN 210464725U
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Abstract
The utility model discloses a system for monitoring cable temperature, including temperature acquisition terminal, zigbee central node, intelligent gateway, monitor platform and communication network, wherein, temperature acquisition terminal includes temperature sensor and zigbee communication unit, temperature acquisition terminal is used for gathering the temperature data of cable; the zigbee communication unit transmits the temperature data to a zigbee central node, and the zigbee central node collects data of a plurality of temperature acquisition terminals and transmits the data to the intelligent gateway; the intelligent gateway receives temperature data from the zigbee central node and transmits the temperature data to the monitoring platform; the monitoring platform is used for receiving temperature data from the intelligent gateway so as to monitor whether the temperature of the cable exceeds a temperature threshold value. The temperature of the cable is effectively collected and monitored in the running process of the equipment, and the device has the characteristics of easiness in networking, simplicity in installation, low cost and the like.
Description
Technical Field
The utility model relates to an energy technical field especially relates to a system for monitoring cable temperature.
Background
The power cable in the switch cabinet has potential power safety hazards and potential fault hazards such as aging abrasion, insulation damage, contact resistance increase and the like in long-term operation. Such as cable joints, which are subject to a continuous heating that tends to cause a local temperature rise that is too high. If the cable position that easily generates heat in the cubical switchboard of effective monitoring and it takes the countermeasure, will influence high tension switchgear operating condition, even cause the conflagration. Therefore, the temperature monitoring is carried out on the position where the cable is easy to heat, and the method is a means for realizing fault pre-elimination and guaranteeing the normal operation of the high-voltage switch cabinet.
The existing cable temperature monitoring methods mainly comprise two methods: a wired system and a wireless system. The wired mode is to use data bus and single chip to realize the connection between the main control computer and the temperature sensor, so as to fulfill the requirements of management control and transmission of data. The wired mode is only suitable for occasions with small range and relatively dense points to be measured, and has the problems of large workload and difficult fault maintenance during installation. The wireless connection mode has the advantage of being not limited by distance, but because the temperature monitoring terminal that the wireless mode adopted needs the battery power supply, has the problem that the battery needs to be changed, the later maintenance work load is big.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a system for monitoring cable temperature.
The utility model provides a system for monitoring cable temperature, the system includes temperature acquisition terminal, zigbee central node, intelligent gateway, monitoring platform and wireless communication network, wherein, temperature acquisition terminal includes temperature sensor and zigbee communication unit, temperature acquisition terminal is used for gathering the temperature data of cable; the temperature acquisition terminal zigbee unit transmits the temperature data to a zigbee central node, and the zigbee central node receives the temperature data from a plurality of temperature acquisition terminals and transmits the temperature data of the plurality of temperature acquisition terminals to the intelligent gateway; the intelligent gateway receives the temperature data from the zigbee central node, and transmits the temperature data to the monitoring platform after protocol conversion; the monitoring platform is used for receiving the temperature data from the intelligent gateway and performing display analysis to monitor whether the temperature of the cable exceeds a temperature threshold value.
Preferably, the first and second electrodes are formed of a metal,
the temperature acquisition terminal also comprises a power supply module,
the power supply module is used for supplying power to the temperature sensor and the zigbee communication unit.
Preferably, the first and second electrodes are formed of a metal,
the power module comprises an energy-taking coil, an impact protection element, a filtering rectification unit, an over-current protection unit, a voltage stabilizing unit and a battery.
Preferably, the first and second electrodes are formed of a metal,
the energy taking coil is electrically connected with a current transformer of the cable so as to lead the two ends of the energy taking coil to induce electromotive force,
the filtering and rectifying unit rectifies and filters the electromotive force to output direct-current voltage;
the voltage stabilizing unit is used for stabilizing the direct-current voltage so as to output a stable voltage.
Preferably, the first and second electrodes are formed of a metal,
the surge protection element is connected between the energy-taking coil and the filtering and rectifying unit so as to keep the current input into the filtering and rectifying unit between a minimum current threshold and a maximum current threshold.
Preferably, the first and second electrodes are formed of a metal,
the over-current protection unit is electrically connected with the filtering and rectifying unit and used for over-current protection of the filtering and rectifying unit.
Preferably, the first and second electrodes are formed of a metal,
the battery is electrically connected with the voltage stabilizing unit and used for storing electric energy when the power supply is sufficient and outputting the electric energy to supply power when the power supply is insufficient.
Preferably, the first and second electrodes are formed of a metal,
the zigbee communication unit of the temperature acquisition terminal comprises a memory, a zigbee chip, an external crystal oscillator and an antenna.
Preferably, the first and second electrodes are formed of a metal,
the Zigbee central node comprises a power module, a Zigbee module, a memory module, an antenna and a crystal oscillator;
the intelligent gateway comprises a zigbee unit, a protocol conversion unit and a wireless communication unit.
Preferably, the first and second electrodes are formed of a metal,
the monitoring platform comprises an application server, a database server, a communication server, a web server, a workstation and a UPS.
Preferably, the first and second electrodes are formed of a metal,
and the communication between the intelligent gateway and the monitoring platform adopts 4G or GPRS.
The utility model provides a system for monitoring cable temperature, based on the cable temperature acquisition scheme of current transformer electricity-taking technology and zigbee network deployment, can reach the temperature of gathering, monitoring cable effectively at equipment operation in-process, have again easy network deployment, install characteristics such as simple, running cost low.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions in the present specification, the drawings needed to be used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and it is obvious for a person skilled in the art to obtain other drawings based on these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a system for monitoring a temperature of a cable according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a temperature acquisition terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an intelligent gateway according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a zigbee central node according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more clear, the technical solutions of the present disclosure will be clearly and completely described below with reference to the specific embodiments and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification without any creative effort belong to the protection scope of the present specification.
The system for monitoring cable temperature provided by the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can clearly and accurately understand the technical solution of the present invention.
Fig. 1 is a schematic structural diagram of a system for monitoring a cable temperature according to an embodiment of the present invention. As shown in FIG. 1, the embodiment of the utility model provides a system for monitoring cable temperature, including a plurality of temperature acquisition terminals, zigbee central node, intelligent gateway, monitor platform and wireless communication network, wherein, temperature acquisition terminal includes temperature sensor and zigbee communication unit.
The embodiment of the utility model provides an in, can include at least one temperature acquisition terminal, can be according to the actual monitoring demand, be connected each temperature acquisition terminal and the inside power cable of each cubical switchboard to gather the temperature of different cables.
The temperature acquisition terminal module transmits acquired temperature data of the cable to the zigbee central node, transmits the temperature data to the intelligent gateway through the zigbee network, and transmits the temperature data to the monitoring platform through the intelligent gateway in a wireless mode.
The monitoring platform consists of a server and software embedded in the server and is responsible for collecting cable temperature data, analyzing temperature trend, alarming when temperature is out of limit and counting historical data of cable temperature.
Fig. 2 is a schematic structural diagram of a temperature acquisition terminal according to an embodiment of the present invention.
In an exemplary embodiment of the present invention, the temperature acquisition terminal includes a temperature sensor, a zigbee communication unit (or a zigbee module as shown in fig. 2), an antenna, a memory, and an external crystal oscillator.
The utility model discloses in the exemplary embodiment, the temperature acquisition terminal can also include power module, power module can be used for doing temperature sensor and other module power supplies. As shown in fig. 2, in some embodiments, the power module may include an energy-extracting coil, a surge protection element, a smoothing rectification unit, an over-current protection unit, a voltage stabilization unit, and a battery.
Furthermore, the energy taking coil is electrically connected with a current transformer of the cable so as to induce electromotive force at two ends of the energy taking coil, and the filtering and rectifying unit rectifies and filters the electromotive force to output direct-current voltage; and the voltage stabilizing unit is used for stabilizing the direct-current voltage so as to output a stable voltage. In some embodiments, a surge protection element is connected between the energy pick-up coil and the smoothing rectifying unit to maintain the current input to the smoothing rectifying unit between a minimum current threshold and a maximum current threshold. And the over-current protection unit is electrically connected with the filtering and rectifying unit and is used for performing over-current protection on the filtering and rectifying unit.
Fig. 3 is a schematic structural diagram of an intelligent gateway according to an embodiment of the present invention.
As shown in fig. 3, in another exemplary embodiment of the present invention, the smart gateway may include a Zigbee unit, a protocol conversion unit, and an ethernet unit.
In the embodiment of the utility model provides an in order to monitor the current variation of cable in order to realize the protection, current transformer can be installed to the power cable in the cubical switchboard, and the alternating current of current transformer secondary side is 5A usually. According to the electromagnetic induction principle, alternating current on a conductor excites a strong electromagnetic field in the external space of the conductor, and if a coil is arranged outside the conductor, voltage can be induced.
According to the above principle, the utility model provides a system for monitoring cable temperature, current transformer's secondary circuit passes and has unshakable in one's determination coil of getting, gets to become coil both ends and will induce the electromotive force, carries out rectification, filtering processing output direct current voltage through the filtering rectification unit again, then adopts DC-DC voltage stabilizing unit to obtain 5V voltage output. The energy taking coil can induce electromotive force, the impact protection unit can prevent overlarge current, the filtering rectification unit can convert alternating current into direct current, the voltage stabilizing unit can stabilize output voltage at 5V and prevent overlarge or undersize output voltage, the overvoltage protection unit is responsible for performing overvoltage protection on the filtering rectification unit, the battery can store redundant electric energy in the battery when the power supply is sufficient, and the battery provides power when the energy taking coil is insufficient in power supply.
Fig. 4 is a schematic structural diagram of a zigbee central node according to an embodiment of the present invention.
As shown in fig. 4, the Zigbee central node may include a Zigbee module, a memory, an external crystal oscillator, and an antenna, where the memory is used to store collected temperature data collected by each temperature collection terminal. The zigbee central node may comprise a power module, which may illustratively be powered by the power unit of the reference temperature collection terminal.
The monitoring platform may be composed of hardware and software stored in the hardware. On the hardware level, the platform comprises an application server, a database server, a communication server, a web server, a workstation and the like, wherein the servers and the workstation are connected through an Ethernet. The software is stored in the application server, the data is stored in the database server, the communication server is responsible for communicating with the intelligent gateway to acquire cable temperature data, the web server is responsible for publishing a display result to a network, and the workstation is used for an engineer to operate the software system.
For convenience of description, the above system is described as being divided into various units or modules by function, respectively. Of course, the functionality of the various elements or modules may be implemented in the same one or more software and/or hardware implementations of the present description.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, the description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the description may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The description has been presented with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the description. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a system for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including an instruction system which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may 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 computer storage media 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 that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, the description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the description may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
This description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present specification, and is not intended to limit the present specification. Various modifications and alterations to this description will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present specification should be included in the scope of the claims of the present specification.
Claims (4)
1. A system for monitoring the temperature of a cable is characterized by comprising a plurality of temperature acquisition terminals, a zigbee central node, an intelligent gateway, a monitoring platform and a wireless communication network, wherein each temperature acquisition terminal comprises a temperature sensor and a zigbee communication unit,
the temperature acquisition terminal acquires temperature data of the cable through the temperature sensor and transmits the temperature data to the zigbee central node through the zigbee communication unit;
the zigbee central node receives temperature data from a plurality of temperature acquisition terminals and transmits the temperature data of the temperature acquisition terminals to the intelligent gateway;
the intelligent gateway receives the temperature data from the zigbee central node, and transmits the temperature data to the monitoring platform after protocol conversion;
the monitoring platform is used for receiving the temperature data from the intelligent gateway and performing display analysis to monitor whether the temperature of the cable exceeds a temperature threshold value;
the temperature acquisition terminal also comprises a power supply module, and the power supply module is used for supplying power to the temperature sensor and the zigbee communication unit;
the power supply module comprises an energy taking coil, an impact protection element, a filtering and rectifying unit, an over-current protection unit, a voltage stabilizing unit and a battery;
the energy taking coil is electrically connected with a current transformer of the cable so as to induce electromotive force at two ends of the energy taking coil, and the filtering and rectifying unit rectifies and filters the electromotive force to output direct-current voltage;
the voltage stabilizing unit is used for stabilizing the direct-current voltage to output a stabilized voltage;
the surge protection element is connected between the energy-taking coil and the filtering and rectifying unit so as to keep the current input into the filtering and rectifying unit between a minimum current threshold and a maximum current threshold;
the over-current protection unit is electrically connected with the filtering and rectifying unit and is used for over-current protection of the filtering and rectifying unit;
the battery is electrically connected with the voltage stabilizing unit and used for storing electric energy when the power supply is sufficient and outputting the electric energy to supply power when the power supply is insufficient;
and the communication between the intelligent gateway and the monitoring platform adopts 4G or GPRS.
2. The system of claim 1, wherein the Zigbee communication unit comprises a memory, a Zigbee chip, an external crystal, and an antenna.
3. The system according to claim 1, wherein said Zigbee central node comprises a power module, a Zigbee module, a memory, an antenna, and an external crystal oscillator; and the intelligent gateway comprises a Zigbee unit, a protocol conversion unit and an Ethernet unit.
4. The system of claim 1, wherein the monitoring platform comprises an application server, a database server, a communication server, a web server, a workstation, a UPS.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623006.2U CN210464725U (en) | 2019-05-05 | 2019-05-05 | System for monitoring cable temperature |
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| CN201920623006.2U CN210464725U (en) | 2019-05-05 | 2019-05-05 | System for monitoring cable temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095205A (en) * | 2019-05-05 | 2019-08-06 | 新奥数能科技有限公司 | A kind of system monitoring cable temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095205A (en) * | 2019-05-05 | 2019-08-06 | 新奥数能科技有限公司 | A kind of system monitoring cable temperature |
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