CN203631221U - Lightning arrester with real-time current leak monitoring and discharging counting function - Google Patents
Lightning arrester with real-time current leak monitoring and discharging counting function Download PDFInfo
- Publication number
- CN203631221U CN203631221U CN201320891850.6U CN201320891850U CN203631221U CN 203631221 U CN203631221 U CN 203631221U CN 201320891850 U CN201320891850 U CN 201320891850U CN 203631221 U CN203631221 U CN 203631221U
- Authority
- CN
- China
- Prior art keywords
- lightning arrester
- module
- monitoring
- gprs
- leakage current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a lightning arrester with a real-time current leak monitoring and discharging counting function. A lightning arrester monitoring device is installed between a lightning arrester body and a grounding terminal, the lightning arrester monitoring device comprises a nonlinear sampling resistor, a bridge-type rectification module, a filter module, a voltage stabilizing module, a single chip microprocessor module, an A/D (analog/digital) collection module and a display screen. By adopting the lightning arrester monitoring device, leaked current of the lightning arrester can be monitored in real time in a running state of a circuit, the over-voltage action times of the lightning arrester can be recorded, and obtained detection data can be displayed on the display screen in real time, so that a good evidence can be provided for working personnel to examine whether the lightning arrester works normally or not. The lightning arrester monitoring device is also provided with a GPRS (general packet radio service) modulation demodulator and an SIM (subscriber identify module) card for identifying the identity of a GSM (global system for mobile communication) network, so that the data can be wirelessly transmitted to a background monitoring center, and the running situation of each lightning arrester of each station can be conveniently monitored and managed.
Description
Technical field
The utility model relates to a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function.
Background technology
Zinc oxide arrester is serially connected between high-voltage power line and the earth on important power equipment side, protects this equipment to avoid the important protective device of one of overvoltage (thunderbolt) infringement.Because zinc oxide arrester has superior non-linear voltage-current characteristic (piezo-resistance characteristic) and good through-current capability, can be fast thunderbolt energy be discharged by electric discharge over the ground, now accepted and be widely used by vast power department.
Show by operating experience for many years, because the operation of lightning arrester is to be under high voltage always, can make the resistor disc of lightning arrester inside aging, due to the impact of environmental condition, its resistor disc makes moist deteriorated, causes the increase of resistive leakage current simultaneously.If can not be rapidly that abnormal lightning arrester is out of service in time, within a period of time (several months, day or a few hours), when occurring overvoltage in system, lightning arrester may thermal runaway, blasts, and causes large area electric power accident.
The size of Real-Time Monitoring leakage current of an arrester under circuit running status, has truly reflected the lightning arrester insulation characteristic under operating state, is to prevent that surge arrester failure from causing the effective means of large-area power-cuts.
Utility model content
For the problem of above-mentioned proposition, the purpose of this utility model is to provide a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function.
The technical solution adopted in the utility model is:
A kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function, comprise lightning arrester device body, described lightning arrester device is provided with the high-voltage connection terminal being connected with bus and the earth terminal being connected with ground wire with it, between described lightning arrester device body and earth terminal, lightning arrester monitoring device is installed, described lightning arrester monitoring device comprises non-linear sample resistance, bridge rectifier module, filtration module, Voltage stabilizing module, one-chip computer module, A/D acquisition module, display screen, described non-linear sample resistance is connected between lightning arrester device body and earth terminal, the input of described bridge rectifier module is connected to the two ends of non-linear sample resistance, the output of described bridge rectifier module connects filtration module successively, Voltage stabilizing module, described A/D acquisition module connects the output of bridge-type rectification module, described Voltage stabilizing module, the output of A/D acquisition module connects respectively the input of one-chip computer module, described display screen is connected with the output of one-chip computer module.
Further, described lightning arrester monitoring device is also built-in with radio transmitting device, described radio transmitting device is connected with the output of one-chip computer module, radio transmitting device is connected with background monitoring center radio communication by cordless communication network, described background monitoring center is provided with wireless receiver and Monitoring Data processing module, and described wireless receiver is connected with Monitoring Data processing module.
Further, described radio transmitting device comprises GPRS module, described GPRS module comprises GPRS modulator-demodulator for realizing GPRS packet switching communication and the SIM card for GSM Network Recognition identity, the wireless receiver at described background monitoring center is provided with GPRS terminal modem, and described GPRS terminal modem is connected with Monitoring Data processing module.
Further, described A/D acquisition module comprises chip PCF8591.
Further, described one-chip computer module comprises chip AT89C51.
The beneficial effects of the utility model are: the lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function that the utility model adopts, its monitoring device carrying can be under circuit running status Real-Time Monitoring leakage current of an arrester size and record the number of times of lightning arrester overvoltage action, the detection data that obtain can be on display screen show in real time, provide good foundation for staff checks whether lightning arrester normally works.This lightning arrester monitoring device is also furnished with GPRS modulator-demodulator and the SIM card for GSM Network Recognition identity, data wireless can be transferred to background monitoring center, conveniently the ruuning situation of each power station lightning arrester is carried out to monitoring management.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is front view of the present utility model;
Fig. 2 is the connection diagram at lightning arrester monitoring device of the present utility model and background monitoring center.
Embodiment
See figures.1.and.2, a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function of the present utility model, comprise lightning arrester device body 1, on described lightning arrester device body 1, be provided with the high-voltage connection terminal 2 being connected with bus and the earth terminal 3 being connected with ground wire, between described lightning arrester device body 1 and earth terminal 3, lightning arrester monitoring device 4 be installed.
Described lightning arrester monitoring device 4 comprises non-linear sample resistance 41, bridge rectifier module 42, filtration module 43, Voltage stabilizing module 44, one-chip computer module 45, A/D acquisition module 46, display screen 47, described non-linear sample resistance 41 is connected between lightning arrester device body 1 and earth terminal 3, the input of described bridge rectifier module 42 is connected to the two ends of non-linear sample resistance 42, the output of described bridge rectifier module 42 connects filtration module 43 successively, Voltage stabilizing module 44, described A/D acquisition module 46 connects the output of bridge-type rectification module 42, described Voltage stabilizing module 44, the output of A/D acquisition module 46 connects respectively the input of one-chip computer module 45, described display screen 47 is connected with the output of one-chip computer module 45.
In the time of lightning arrestor movement, discharging current flows through non-linear sample resistance 41, after the preliminary rectification of bridge rectifier module 42, and the leakage current instantaneous value access A/D acquisition module 46 obtaining.Described A/D acquisition module 46 comprises chip PCF8591, and PCF8591 is integrated, an independent power supply of monolithic, low-power consumption, 8-bit cmos data acquisition device.By chip PCF8591, the leakage current instantaneous value of analog input is carried out to A/D conversion, convert the analog quantity of leakage current instantaneous value to data volume, realized the function of leakage current monitoring.
The discharging current of lightning arrester is rectified into DC pulse through bridge rectifier module 42, then get envelope through filtration module 43 filtering, export square wave to one-chip computer module 45 by voltage regulator module 44 again, described one-chip computer module 45 comprises chip AT89C51, and its built-in counter can be counted the discharge time of lightning arrester.
Described one-chip computer module 45 is connected with display screen 47, shows the instantaneous value size of Leakage Current and the number of times of lightning arrester overvoltage action by display screen 47 capable of dynamics.
Described lightning arrester monitoring device 4 is also built-in with radio transmitting device 48, described radio transmitting device 48 is connected with the output of one-chip computer module 45, radio transmitting device 48 is connected with background monitoring center 5 radio communications by cordless communication network, described background monitoring center 5 is provided with wireless receiver 51 and Monitoring Data processing module 52, and described wireless receiver 51 is connected with Monitoring Data processing module 52.Particularly, described radio transmitting device 48 comprises GPRS module, described GPRS module comprises GPRS modulator-demodulator for realizing GPRS packet switching communication and the SIM card for GSM Network Recognition identity, the wireless receiver 51 at described background monitoring center 5 is provided with GPRS terminal modem, and described GPRS terminal modem is connected with Monitoring Data processing module 52.Lightning arrester monitoring device 4 data that obtain that detect are wirelessly transmitted to background monitoring center 5 by GPRS network, and each lightning arrester passes through its SIM card number as identify label, facilitate background monitoring center 5 to investigate the arrester device in power station in region, pinpoint the problems in time, lightning arrester to operation irregularity is changed, and to avoid fault and causes large-area power-cuts.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (5)
1. the lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function, it is characterized in that: comprise lightning arrester device body (1), on described lightning arrester device body (1), be provided with the high-voltage connection terminal (2) being connected with bus and the earth terminal (3) being connected with ground wire, between described lightning arrester device body (1) and earth terminal (3), lightning arrester monitoring device (4) be installed, described lightning arrester monitoring device (4) comprises non-linear sample resistance (41), bridge rectifier module (42), filtration module (43), Voltage stabilizing module (44), one-chip computer module (45), A/D acquisition module (46), display screen (47), described non-linear sample resistance (41) is connected between lightning arrester device body (1) and earth terminal (3), the input of described bridge rectifier module (42) is connected to the two ends of non-linear sample resistance (41), the output of described bridge rectifier module (42) connects filtration module (43) successively, Voltage stabilizing module (44), described A/D acquisition module (46) connects the output of bridge-type rectification module (42), described Voltage stabilizing module (44), the output of A/D acquisition module (46) connects respectively the input of one-chip computer module (45), described display screen (47) is connected with the output of one-chip computer module (45).
2. a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function according to claim 1, it is characterized in that: described lightning arrester monitoring device (4) is also built-in with radio transmitting device (48), described radio transmitting device (48) is connected with the output of one-chip computer module (45), radio transmitting device (48) is connected with background monitoring center (5) radio communication by cordless communication network, described background monitoring center (5) is provided with wireless receiver (51) and Monitoring Data processing module (52), described wireless receiver (51) is connected with Monitoring Data processing module (52).
3. a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function according to claim 2, it is characterized in that: described radio transmitting device (48) comprises GPRS module, described GPRS module comprises GPRS modulator-demodulator for realizing GPRS packet switching communication and the SIM card for GSM Network Recognition identity, the wireless receiver (51) at described background monitoring center (5) is provided with GPRS terminal modem, and described GPRS terminal modem is connected with Monitoring Data processing module (52).
4. a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function according to claim 1, is characterized in that: described A/D acquisition module (46) comprises chip PCF8591.
5. according to a kind of lightning arrester with leakage current Real-Time Monitoring and electric discharge tally function claimed in claim 1, it is characterized in that: described one-chip computer module (45) comprises chip AT89C51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891850.6U CN203631221U (en) | 2013-12-30 | 2013-12-30 | Lightning arrester with real-time current leak monitoring and discharging counting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891850.6U CN203631221U (en) | 2013-12-30 | 2013-12-30 | Lightning arrester with real-time current leak monitoring and discharging counting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631221U true CN203631221U (en) | 2014-06-04 |
Family
ID=50817676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891850.6U Expired - Fee Related CN203631221U (en) | 2013-12-30 | 2013-12-30 | Lightning arrester with real-time current leak monitoring and discharging counting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646065A (en) * | 2017-01-11 | 2017-05-10 | 长沙群瑞电子科技有限公司 | Online monitoring system for positioning faults of lightning arrester |
| CN106908646A (en) * | 2015-12-22 | 2017-06-30 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
| CN107831390A (en) * | 2017-11-18 | 2018-03-23 | 广东电网有限责任公司清远供电局 | A kind of wireless monitoring device with leakage current detection function |
| CN111650459A (en) * | 2020-06-11 | 2020-09-11 | 常州工业职业技术学院 | Wireless passive online monitor with gap lightning arrester |
-
2013
- 2013-12-30 CN CN201320891850.6U patent/CN203631221U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908646A (en) * | 2015-12-22 | 2017-06-30 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
| CN106908646B (en) * | 2015-12-22 | 2018-11-02 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
| CN106646065A (en) * | 2017-01-11 | 2017-05-10 | 长沙群瑞电子科技有限公司 | Online monitoring system for positioning faults of lightning arrester |
| CN107831390A (en) * | 2017-11-18 | 2018-03-23 | 广东电网有限责任公司清远供电局 | A kind of wireless monitoring device with leakage current detection function |
| CN111650459A (en) * | 2020-06-11 | 2020-09-11 | 常州工业职业技术学院 | Wireless passive online monitor with gap lightning arrester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102156241B (en) | On-line monitoring unit for leakage current of zinc oxide arrester | |
| CN203631221U (en) | Lightning arrester with real-time current leak monitoring and discharging counting function | |
| CN203084097U (en) | On-line zinc oxide lightning arrester state monitoring device | |
| CN207780137U (en) | A kind of switchgear Zinc oxide arrester monitoring device | |
| CN208459507U (en) | Arrester online monitoring system | |
| CN203275562U (en) | A lightning arrester online monitoring apparatus based on a RF wireless network | |
| CN102221641A (en) | On-line monitoring system for leakage current of high-voltage power transmission line insulator | |
| CN204269739U (en) | Based on thunderbolt diagnosis and the real time warning device of leakage conductor | |
| CN102169135A (en) | Resistive current remote online monitoring system for power transmission line arrester | |
| CN106932675A (en) | For the monitoring device of arrester | |
| CN104950164A (en) | Lightning overvoltage monitoring system for substation secondary system | |
| CN202159104U (en) | Metal oxide lightning arrester on-line detection system | |
| CN108054835A (en) | A kind of arrester intelligent cloud monitor system | |
| CN211741436U (en) | Zinc oxide arrester running state monitoring devices | |
| CN104635030A (en) | Lightning current waveform on-line monitoring system | |
| CN201278010Y (en) | Non-residual voltage monitoring recorder for lightning arrestor | |
| CN103956714B (en) | A kind of high sensitivity multi-functional CT open-circuit protecting device | |
| CN202676799U (en) | On-line monitoring device for lightning arrester | |
| CN207301194U (en) | A kind of Surge Protector on-line monitoring system | |
| CN207571210U (en) | A kind of wireless monitoring device with leakage current detection function | |
| CN201237622Y (en) | On-line monitoring device for three-phase arrester in cabinet | |
| CN107831390A (en) | A kind of wireless monitoring device with leakage current detection function | |
| CN114264896B (en) | On-line monitoring device for lightning arrester | |
| CN105958463A (en) | Single-chip microcomputer-based lightning protection online detection integrated box and lightning protection detection method thereof | |
| CN206096300U (en) | Voltage limiting type SPD on -line monitoring system based on zigbee and bluetooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |