CN210222164U - Intelligent online monitoring terminal for highway lightning protection device - Google Patents
Intelligent online monitoring terminal for highway lightning protection device Download PDFInfo
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- CN210222164U CN210222164U CN201921024303.1U CN201921024303U CN210222164U CN 210222164 U CN210222164 U CN 210222164U CN 201921024303 U CN201921024303 U CN 201921024303U CN 210222164 U CN210222164 U CN 210222164U
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Abstract
An intelligent online monitoring terminal of a highway lightning arrester is characterized by comprising a leakage current detection module, a temperature detection module, a lightning stroke counting module, a switching value detection module, a timer, a single chip microcomputer, a power supply module, a display module, a remote communication alarm module, a power supply surge protection module and a wired communication surge protection module; the leakage current detection module is in communication connection with the single chip microcomputer; the temperature detection module is in communication connection with the single chip microcomputer; the switching value detection module is in communication connection with the single chip microcomputer; the timer is in communication connection with the single chip microcomputer; the lightning stroke counting module is in communication connection with the single chip microcomputer and is used for sending voltage pulses generated by lightning strokes to the single chip microcomputer; the utility model discloses not only solve the manual detection and exist detect inaccurate ('flex point effect'), leak a great deal of problem such as examining, still can carry out the preventive maintenance to lightning protection device (SPD) according to the performance evaluation numerical value, avoided the potential safety hazard that detects the existence of neutral phase.
Description
Technical Field
The utility model relates to a lightning protection device monitoring technology field especially relates to a highway lightning protection device intelligence on-line monitoring terminal.
Background
For the evaluation of the working performance of the highway lightning protection device (SPD), the deterioration degree of the piezoresistor of the lightning protection device (SPD) is evaluated mainly through two parameter values of the piezovoltage U1mA and the leakage current I according to the national standard, and the two parameters are mainly detected manually at present.
However, since both U1mA and I have "knee effect", the degree of deterioration of the varistor cannot be determined effectively in time. Meanwhile, the detection of the two parameters must be performed offline, a few, dozens and hundreds of lightning protection devices (SPDs) are distributed on a section of expressway with dozens of kilometers and hundreds of kilometers, each lightning protection device (SPD) needs to be detected offline, and the potential safety hazard caused by offline detection is not considered.
At present, a few online monitoring devices for evaluating the working performance of the lightning protection device (SPD) are on the market, and mainly detect the internal disconnection state of the lightning protection device (SPD) and the parameters of the number of times of induced lightning current impact on the lightning protection device (SPD) online, wherein the detection is not the detection required by national standard regulations, and only simply judges whether the lightning protection device (SPD) fails, and cannot give scientific judgment on the working performance (service life) of the lightning protection device (SPD).
In order to solve the problems, the application provides an intelligent online monitoring terminal for a highway lightning protection device.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the present that exists among the background art, there are a small number on the market to carry out the on-line monitoring equipment that assesses lightning protection device (SPD) working property, its main on-line measuring lightning protection device (SPD) is inside to be taken off a mouthful state and suffers response lightning current and assault the number of times parameter, this kind of detection is not the detection that national standard regulation required, only judges simply whether lightning protection device (SPD) became invalid, can't give scientific judgement's technical problem to lightning protection device (SPD) working property (life), the utility model provides a highway lightning protection device intelligence on-line monitoring terminal, the utility model discloses not only solve the detection inaccuracy ("flex point effect") that artifical measuring exists, leak a great deal of problem such as examining, still can carry out preventive maintenance to lightning protection device (SPD) according to performance assessment value, avoided the potential safety hazard that detects neutral phase and exist.
(II) technical scheme
In order to solve the problems, the utility model provides an intelligent online monitoring terminal for a highway lightning arrester, which comprises a leakage current detection module, a temperature detection module, a lightning stroke counting module, a switching value detection module, a timer, a singlechip, a power supply module, a display module, a remote communication alarm module, a power surge protection module and a wire communication surge protection module;
the commercial power is electrically connected with the power supply module and used for converting the commercial power into direct current for equipment; the power supply module is electrically connected with the power supply surge protection module; the power supply surge protection module is electrically connected with the single chip microcomputer; the wired communication surge protection module is electrically connected to the FLASH module for storing data; the FLASH module is electrically connected to a display module for displaying numerical values and a remote communication alarm module for communication;
the leakage current detection module is in communication connection with the single chip microcomputer and is used for converting the uA or mA level current in the circuit into a voltage signal and sending the voltage signal to the single chip microcomputer;
the temperature detection module is in communication connection with the single chip microcomputer and is used for converting the temperature signal into a voltage signal and sending the voltage signal to the single chip microcomputer;
the switching value detection module is in communication connection with the single chip microcomputer and is used for converting the switching state into a voltage signal and sending the voltage signal to the single chip microcomputer;
the timer is in communication connection with the single chip microcomputer and is used for providing reference time information for the single chip microcomputer;
the lightning stroke counting module is in communication connection with the single chip microcomputer and is used for sending voltage pulses generated by lightning strokes to the single chip microcomputer.
Preferably, the leakage detection module includes a power supply unit for supplying power to the leakage detection module, a coil collection unit for collecting leakage current, an effective value calculation unit for calculating an effective value, and an output selection unit for outputting a signal.
Preferably, the maximum protection induction surge current of the power supply surge protection module is 5 ka.
Preferably, the maximum protection induction surge current of the wired communication surge protection module is 600A.
Preferably, the signal input end shielding layer of the terminal equipment and the instrument shell are both grounded.
Preferably, the data of the remote communication alarm module is transmitted to the monitoring terminal through a Zigbee wireless local area network, an Ethernet local area network, a GPRS network and a 4G-LTE network.
Preferably, the leakage current detection module, the temperature detection module and the switch detection module are all provided with analog-to-digital conversion modules for converting analog quantity and digital quantity mutually.
Preferably, the display module is a VA display screen.
The above technical scheme of the utility model has following profitable technological effect: the utility model discloses not only inside mouth state and the thunderbolt number of times of taking off of detectable lightning protection device (SPD), still can detect leakage current, operating temperature, ambient temperature, electric wire netting power supply state isoparametric, according to detecting parameter and lightning protection device (SPD) online time, reachs the testing result to accessible multiple type data transmission interface (RS485, ethernet, GPRS) outwards transmit data.
The method brings the project specified by the national standard into the detection and maintenance of the lightning protection device (SPD), and further deeply monitors the dynamic parameters of the lightning protection device during working, and compared with the static parameter detection in the detection standard, the method can embody the actual running state of the lightning protection device. Meanwhile, on the basis of deep research on the lightning protection device and the main discharge device of the lightning protection device, a relatively accurate prejudgment value (service life) is given to the working performance of the lightning protection device through multi-parameter detection, so that the lightning protection device which is excessively deteriorated and is installed in an important place can be replaced in advance according to the prejudgment value.
The online monitoring terminal not only solves the problems of inaccurate detection (inflection point effect), missing detection and the like in manual detection, but also can carry out preventive maintenance and repair on a lightning protection device (SPD) according to a performance evaluation value, thereby avoiding potential safety hazards in a neutral detection period.
Drawings
Fig. 1 is the utility model provides a highway lightning protection device intelligence on-line monitoring terminal's schematic structure.
Fig. 2 is the utility model provides a leakage current detection module's among highway lightning protection device intelligence on-line monitoring terminal structural schematic diagram.
Fig. 3 is the utility model provides a highway lightning protection device intelligence on-line monitoring terminal's working principle picture.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the utility model provides an intelligent online monitoring terminal for highway lightning protection device, which comprises a leakage current detection module, a temperature detection module, a lightning stroke counting module, a switching value detection module, a timer, a single chip microcomputer, a power supply module, a display module, a remote communication alarm module, a power surge protection module and a wire communication surge protection module;
the commercial power is electrically connected with the power supply module and used for converting the commercial power into direct current for equipment; the power supply module is electrically connected with the power supply surge protection module; the power supply surge protection module is electrically connected with the single chip microcomputer; the wired communication surge protection module is electrically connected to the FLASH module for storing data; the FLASH module is electrically connected to a display module for displaying numerical values and a remote communication alarm module for communication;
the leakage current detection module is in communication connection with the single chip microcomputer and is used for converting the uA or mA level current in the circuit into a voltage signal and sending the voltage signal to the single chip microcomputer;
the temperature detection module is in communication connection with the single chip microcomputer and is used for converting the temperature signal into a voltage signal and sending the voltage signal to the single chip microcomputer;
the switching value detection module is in communication connection with the single chip microcomputer and is used for converting the switching state into a voltage signal and sending the voltage signal to the single chip microcomputer;
the timer is in communication connection with the single chip microcomputer and is used for providing reference time information for the single chip microcomputer;
the lightning stroke counting module is in communication connection with the single chip microcomputer and is used for sending voltage pulses generated by lightning strokes to the single chip microcomputer.
The utility model discloses in, power module converts the commercial power into the required direct current of internal plant, and power surge protection module provides the protective capacities of the highest 5kA response surge current. The lightning stroke counting module generates a voltage pulse when a lightning stroke occurs, the single chip microcomputer obtains a result of a performance value (service life) on the basis of data returned by the acquisition module and stores the data and the performance value in the FLASH module, and the FLASH module is electrically connected to a display module for displaying the data and a remote communication alarm module for communication, so that data display and remote information sending are facilitated;
the wired communication surge protection module provides maximum 600A inductive surge protection before a communication line enters a communication chip. The terminal equipment reliably grounds the signal input end shielding layer and the instrument shell, and a circuit is separated from an analog ground in a digital mode, so that the anti-interference capability of the detection terminal is improved.
In an alternative embodiment, the leakage detection module includes a power supply unit for supplying power to the leakage detection module, a coil collection unit for collecting leakage current, an effective value calculation unit for calculating an effective value, and an output selection unit for outputting a signal.
In an alternative embodiment, the maximum protection induction surge current of the power supply surge protection module is 5 ka.
In an alternative embodiment, the maximum protection induced surge current of the wired communication surge protection module is 600A.
In an alternative embodiment, the signal input terminal shield of the terminal device and the instrument housing are both grounded.
In an optional embodiment, the data of the remote communication alarm module is transmitted to the monitoring terminal through a Zigbee wireless local area network, an ethernet local area network, a GPRS network, or a 4G-LTE network.
In an optional embodiment, the leakage current detection module, the temperature detection module and the switch detection module are all provided with analog-to-digital conversion modules for converting analog quantity and digital quantity to each other.
In an alternative embodiment, the display module is a VA display screen.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. An intelligent online monitoring terminal of a highway lightning arrester is characterized by comprising a leakage current detection module, a temperature detection module, a lightning stroke counting module, a switching value detection module, a timer, a single chip microcomputer, a power supply module, a display module, a remote communication alarm module, a power supply surge protection module and a wired communication surge protection module;
the commercial power is electrically connected with the power supply module and used for converting the commercial power into direct current for equipment; the power supply module is electrically connected with the power supply surge protection module; the power supply surge protection module is electrically connected with the single chip microcomputer; the wired communication surge protection module is electrically connected to the FLASH module for storing data; the FLASH module is electrically connected to a display module for displaying numerical values and a remote communication alarm module for communication;
the leakage current detection module is in communication connection with the single chip microcomputer and is used for converting the uA or mA level current in the circuit into a voltage signal and sending the voltage signal to the single chip microcomputer;
the temperature detection module is in communication connection with the single chip microcomputer and is used for converting the temperature signal into a voltage signal and sending the voltage signal to the single chip microcomputer;
the switching value detection module is in communication connection with the single chip microcomputer and is used for converting the switching state into a voltage signal and sending the voltage signal to the single chip microcomputer;
the timer is in communication connection with the single chip microcomputer and is used for providing reference time information for the single chip microcomputer;
the lightning stroke counting module is in communication connection with the single chip microcomputer and is used for sending voltage pulses generated by lightning strokes to the single chip microcomputer.
2. The intelligent online monitoring terminal for the expressway lightning protection device according to claim 1, wherein the leakage detection module comprises a power supply unit for supplying power to the leakage detection module, a coil acquisition unit for acquiring leakage current, an effective value calculation unit for calculating an effective value, and an output selection unit for outputting a signal.
3. The intelligent online monitoring terminal for the lightning protection device on the highway according to claim 1, wherein the maximum protection induced surge current of the power surge protection module is 5 ka.
4. The intelligent online monitoring terminal for the lightning protection device on the highway according to claim 1, wherein the maximum protection induced surge current of the wired communication surge protection module is 600A.
5. The intelligent online monitoring terminal for the lightning arrester on the highway according to claim 1, wherein the shielding layer at the signal input end of the terminal equipment and the instrument shell are both grounded.
6. The intelligent online monitoring terminal for the highway lightning protection device according to claim 1, characterized in that: and the data of the remote communication alarm module is transmitted to the monitoring terminal through a Zigbee wireless local area network, an Ethernet local area network, a GPRS network and a 4G-LTE network.
7. The intelligent online monitoring terminal for the highway lightning arrester according to claim 1, wherein the leakage current detection module, the temperature detection module and the switch detection module are all provided with an analog-to-digital conversion module for mutual conversion between analog quantity and digital quantity.
8. The intelligent online monitoring terminal for the lightning arrester on the highway according to claim 1, wherein the display module is a VA display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024303.1U CN210222164U (en) | 2019-07-02 | 2019-07-02 | Intelligent online monitoring terminal for highway lightning protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921024303.1U CN210222164U (en) | 2019-07-02 | 2019-07-02 | Intelligent online monitoring terminal for highway lightning protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792708A (en) * | 2023-02-07 | 2023-03-14 | 安徽金力电气技术有限公司 | SPD online aging monitoring system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792708A (en) * | 2023-02-07 | 2023-03-14 | 安徽金力电气技术有限公司 | SPD online aging monitoring system and method |
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