CN209132340U - A kind of substation's metal zinc oxide lightning arrester state monitor - Google Patents
A kind of substation's metal zinc oxide lightning arrester state monitor Download PDFInfo
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- CN209132340U CN209132340U CN201821515060.7U CN201821515060U CN209132340U CN 209132340 U CN209132340 U CN 209132340U CN 201821515060 U CN201821515060 U CN 201821515060U CN 209132340 U CN209132340 U CN 209132340U
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Abstract
The utility model discloses a kind of substation's metal zinc oxide lightning arrester state monitors, including casing and the monitoring device being located in casing.Monitoring device includes power supply processing module, wireless communication module, central processing module, signal conditioning module and data acquisition module.The output end and wireless communication module for processing module of powering, central processing module, signal conditioning module are connected with the input terminal of data acquisition module.Processing module of powering includes battery pedestal, the battery being mounted in battery pedestal, the energy conservation module connecting with battery pedestal output end, the adjustment module connecting with energy conservation module and the inductive pick-up connecting with rectification module.
Description
Technical field
The utility model relates to arresters to monitor field on-line, and in particular to a kind of substation's metal zinc oxide lightning arrester shape
State monitor.
Background technique
Zinc-Oxide Arrester because it is good with nonlinear characteristic, negotiability is big, without series gap, small in size, light-weight
Good characteristics are waited gradually instead of traditional arrester, is widely used in power grid, becomes important overvoltage protective device.
But in operation due to bear for a long time working voltage, all kinds of overvoltage and outside environmental elements influence can gradually aging or
Deterioration.Once arrester breaks down, arrester itself, which will damage, even to explode, while other electrical equipments will lose
Overvoltage protection directly affects the safe operation of electric system.
In order to ensure Zinc-Oxide Arrester works normally, prevents the generation of failure, traditional way is to install arrester additional to use
Monitor.Monitoring device for lightning arrester is the online monitoring instruments of arrester in ac high-voltage electric system.Milli in monitor
Peace table can be detected effectively inside arrester for monitoring under working voltage through the follow current of arrester (leakage current)
Dampness or the middle and advanced stages abnormal conditions such as resistor disc aging, the counter in monitor are used to record the action frequency of arrester.
But traditional arrester checks device has very big limitation, because traditional lightning protection device monitor can only be at this
Ground shows leakage current and action frequency, does not have transporting function.Due to present substation be all mostly it is unattended,
Arrester failure conditions cannot be found in time.
Utility model content
The utility model is intended to provide that a kind of monitoring is accurate, the convenient substation's metal zinc oxide lightning arrester state prison of O&M
Survey device.
The utility model adopts the following technical solution:
A kind of substation's metal zinc oxide lightning arrester state monitor, including casing and the monitoring device being located in casing；
The monitoring device include power supply processing module, wireless communication module, central processing module, signal conditioning module and
Data acquisition module；
The output end and wireless communication module, central processing module, signal conditioning module sum number of the power supply processing module
It is connected according to the input terminal of acquisition module；
The input terminal of the wireless communication module and the output end of central processing module connect；
The output end of the data acquisition module and the input terminal of signal conditioning module connect；
The output end of the signal conditioning module and the input terminal of central processing module connect.
As further solution: the power supply processing module includes battery pedestal and is mounted in battery pedestal
Battery；
The output end of the battery pedestal is adopted with wireless communication module, central processing module, signal conditioning module and data
Collect the input terminal connection of module.
As further solution: further including the energy conservation module being connect with battery pedestal output end and the energy
The adjustment module of management module connection and the inductive pick-up being connect with rectification module；
The inductive pick-up is mounted in arrester ground circuit.
As further solution: the adjustment module includes rectification module, amplification module, filter module and energy storage
Module；
The rectification module, amplification module, filter module and energy-storage module are sequentially connected；
The inductive pick-up is connect with rectification module.
As further solution: the wireless communication module includes wireless modulation-demodulation module and and wireless-modulated
The antenna of demodulation module connection；
The wireless modulation-demodulation module is connect with central processing module.
As further solution: the antenna is omnidirectional antenna.
As further solution:
The data acquisition module includes lightning stroke acquisition module and leakage current acquisition module；
The lightning stroke acquisition module includes mechanical counter；
The leakage current acquisition module includes straight-through current transformer；
The output end of the mechanical counter and straight-through current transformer is connect with central processing module.
The good effect that the utility model generates is as follows:
The use of the new type can search for nearest relaying and connection by the way of wireless data communication automatically, when deployment
Networking can be completed in booting after attaching it to designated position, does not need arrangement wire casing, data line and terminal etc., can be effective
Installation cost is reduced, installation effectiveness is improved.
The utility model is powered using battery and the duplicate supply mode of inductive power supply.The electric current that inductive pick-up generates passes through
It stores, is then input in energy conservation module, battery is equally output to energy for the electric current of electricity output after rectification, amplification and filtering
Source control module uses, the reliability that can effectively power by each module of energy conservation module unified supply.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the structural block diagram of each module；
Fig. 3 is the circuit diagram of signal conditioning module；
Fig. 4 is the circuit diagram of energy conservation module；
Fig. 5 is the circuit diagram of rectification module, amplification module, filter module and energy-storage module；
Fig. 6 is the circuit diagram of power supply processing module；
Wherein: 21 battery pedestals, 22 batteries, 23 energy conservation modules, 24 inductive pick-ups, 31 rectification modules, 32 amplifications
Module, 33 filter modules, 34 energy-storage modules, 41 wireless modulation-demodulation modules, 42 antennas, 51 mechanical counters, 52 punchings
Current transformer.
Specific embodiment
The utility model is further described below with reference to Fig. 1-6.
The utility model adopts the following technical solution:
A kind of substation's metal zinc oxide lightning arrester state monitor, including casing and the monitoring device being located in casing；
The monitoring device include power supply processing module, wireless communication module, central processing module, signal conditioning module and
Data acquisition module；
The output end and wireless communication module, central processing module, signal conditioning module sum number of the power supply processing module
It is connected according to the input terminal of acquisition module；
The input terminal of the wireless communication module and the output end of central processing module connect；
The output end of the data acquisition module and the input terminal of signal conditioning module connect；
The output end of the signal conditioning module and the input terminal of central processing module connect.
As further solution: the power supply processing module includes battery pedestal 21 and is mounted on battery pedestal 21
Interior battery 22；
The output end and wireless communication module, central processing module, signal conditioning module and data of the battery pedestal 21
The input terminal of acquisition module connects.
As further solution: further include the energy conservation module 23 being connect with 21 output end of battery pedestal, with
The adjustment module of energy conservation module connection and the inductive pick-up 24 being connect with rectification module；
The inductive pick-up 24 is mounted in arrester ground circuit.
As further solution: the adjustment module includes rectification module 31, amplification module 32, filter module 33
With energy-storage module 34；
The rectification module 31, amplification module 32, filter module 33 and energy-storage module 34 are sequentially connected；
The inductive pick-up 24 is connect with rectification module 31.
As further solution: the wireless communication module includes wireless modulation-demodulation module 41 and adjusts with wireless
The antenna 42 that demodulation module 41 processed connects；
The wireless modulation-demodulation module 41 is connect with central processing module.
As further solution: the antenna 42 is omnidirectional antenna.
As further solution:
The data acquisition module includes lightning stroke acquisition module and leakage current acquisition module；
The lightning stroke acquisition module includes mechanical counter 51；
The leakage current acquisition module includes straight-through current transformer 52；
The output end of the mechanical counter 51 and straight-through current transformer 52 is connect with central processing module.
Each module and counter, sensor and chip in above scheme etc. are integrated on circuit boards, and circuit board is mounted on
Casing internal.
The utility model is described further and is explained below with reference to the actual course of work.
Each module of the utility model is installed in casing, when deployment, by casing bolt or other fixation sides
Formula is installed to designated position, then by inductive pick-up 24, mechanical counter 51 and straight-through current transformer 52 and lightning-arrest
Device connection.
After booting, wireless modulation-demodulation module 41 acts first, searches for neighbouring relaying and addition.Wireless modulation-demodulation mould
The signal of block 41 is sent by antenna 42, and antenna 42 preferentially uses omnidirectional antenna, because omnidirectional antenna shows in the horizontal direction
For 360 ° of homogeneous radiations, coverage area is big, can effectively improve the probability of discovery relaying.It can also realize when in some simultaneously
Other relaying can be connected rapidly when breaking down, and guarantee the continuity of data transmission.
Mechanical counter 51 records the work times of lightning rod, while central processing module is waken up, record lightning stroke hair
The raw time and position.
The leakage current of 52 timing acquiring arrester of straight-through current transformer, for judging that arrester is hidden with the presence or absence of safety
Suffer from.
During the data that mechanical counter 51 and straight-through current transformer 52 acquire are sent to by signal conditioning module
Processing module is entreated, relaying is then sent to by wireless modulation-demodulation module 41 and antenna 42, eventually arrives at host computer.
Inductive pick-up 24 can be induced electromotive force the change transitions of measurand, be a kind of machine-electric energy quantitative change
It remodels sensor.In the course of work, inductive pick-up 24 can be produced electricl energy, by rectification module 31, amplification module 32 and filter
After the arrangement of wave module 33, electric energy tends towards stability, and is stored in energy-storage module 34.The electric energy of storage is input to by energy-storage module 34
Energy conservation module 23, while the electric energy that battery 22 is also stored is input to energy conservation module 23, by energy conservation module
23 unified Xiang Qiyu module for power supply.This mode is advantageous in that the electricity to supply power with double circuit is more stable, can be improved reliable
Property.
The model of module and sensor used in open this programme further simultaneously:
The model WTGY1-1 type induction of inductive pick-up takes electric transducer；
The model UBNT UAP-AC-M of wireless modulation-demodulation module；
The model BC-DP7-61P of mechanical counter；
The model WTHG201-1 of straight-through current transformer.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations,
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that,
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement, and these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (5)
1. a kind of substation's metal zinc oxide lightning arrester state monitor, it is characterised in that: including casing and be located in casing
Monitoring device；
The monitoring device includes power supply processing module, wireless communication module, central processing module, signal conditioning module and data
Acquisition module；
The output end of the power supply processing module is adopted with wireless communication module, central processing module, signal conditioning module and data
Collect the input terminal connection of module；The electricity that the power supply processing module includes battery pedestal (21) and is mounted in battery pedestal (21)
Pond (22)；The output end and wireless communication module, central processing module, signal conditioning module and data of the battery pedestal (21)
The input terminal of acquisition module connects；
The input terminal of the wireless communication module and the output end of central processing module connect；
The output end of the data acquisition module and the input terminal of signal conditioning module connect；
The output end of the signal conditioning module and the input terminal of central processing module connect；
It further include that connect with battery pedestal (21) output end energy conservation module (23), the adjustment that connect with energy conservation module
Module and the inductive pick-up (24) being connect with adjustment module；The inductive pick-up (24) is mounted on arrester ground circuit
In.
2. a kind of substation's metal zinc oxide lightning arrester state monitor according to claim 1, it is characterised in that: described
Adjusting module includes rectification module (31), amplification module (32), filter module (33) and energy-storage module (34)；
The rectification module (31), amplification module (32), filter module (33) and energy-storage module (34) are sequentially connected；
The inductive pick-up (24) connect with rectification module (31).
3. a kind of substation's metal zinc oxide lightning arrester state monitor according to claim 1, it is characterised in that: described
Wireless communication module includes wireless modulation-demodulation module (41) and the antenna (42) connecting with wireless modulation-demodulation module (41)；
The wireless modulation-demodulation module (41) connect with central processing module.
4. a kind of substation's metal zinc oxide lightning arrester state monitor according to claim 3, it is characterised in that: described
Antenna (42) is omnidirectional antenna.
5. a kind of substation's metal zinc oxide lightning arrester state monitor according to claim 1, it is characterised in that: described
Data acquisition module includes lightning stroke acquisition module and leakage current acquisition module；
The lightning stroke acquisition module includes mechanical counter (51)；
The leakage current acquisition module includes straight-through current transformer (52)；
The output end of the mechanical counter (51) and straight-through current transformer (52) is connect with central processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515060.7U CN209132340U (en) | 2018-09-17 | 2018-09-17 | A kind of substation's metal zinc oxide lightning arrester state monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515060.7U CN209132340U (en) | 2018-09-17 | 2018-09-17 | A kind of substation's metal zinc oxide lightning arrester state monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132340U true CN209132340U (en) | 2019-07-19 |
Family
ID=67230157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821515060.7U Active CN209132340U (en) | 2018-09-17 | 2018-09-17 | A kind of substation's metal zinc oxide lightning arrester state monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132340U (en) |
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2018
- 2018-09-17 CN CN201821515060.7U patent/CN209132340U/en active Active
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