CN205720494U - A kind of Zinc-Oxide Arrester state on-line detector - Google Patents
A kind of Zinc-Oxide Arrester state on-line detector Download PDFInfo
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- CN205720494U CN205720494U CN201620646806.2U CN201620646806U CN205720494U CN 205720494 U CN205720494 U CN 205720494U CN 201620646806 U CN201620646806 U CN 201620646806U CN 205720494 U CN205720494 U CN 205720494U
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229960001296 zinc oxide Drugs 0.000 title claims abstract description 12
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 230000016507 interphase Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 206010058314 Dysplasia Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
This utility model relates to a kind of Zinc-Oxide Arrester state on-line detector, it is adaptable to power system spark gap online measuring technique field.Including main frame and extension set.Including main frame and extension set, main frame is arranged on transformer station, and described main frame includes wireless receiving module, data processing module and result display module；Extension set is arranged at outdoor spark gap, and described extension set includes power module, measurement module, calculating and comparing module and wireless transport module；Measurement module is used for detecting voltage x current and temperature humidity parameter when spark gap runs；Institute's test parameter is sent to calculating and comparing module by measurement module, obtains measurement data to be transmitted；Detection data are transferred to main frame by wireless transport module by described measurement data to be transmitted by wireless transport module；Testing result is shown by main frame.Simultaneously detection multiple stage spark gap on-line operation state, have stronger extensibility, decrease interphase interference, harmonic wave, temperature, humidity on spark gap parameter impact, obtain spark gap current operating conditions.
Description
Technical field
This utility model relates to a kind of Zinc-Oxide Arrester state on-line detector, it is adaptable to power system spark gap exists
Line detection technique field.
Background technology
In electrical network, spark gap will be installed for numerous distribution transformer and cable run etc. and protect as lightning protection
Protect.There is leakage current in eliminating discharging gap due to Zinc-Oxide Arrester and work, add that bearing system for a long time runs
The effect of voltage, deterioration, filthy or because of dysplasia, poorly sealed make the factors such as internal structure and valve block make moist, all by infringement
The performance of zinc oxide valve plate, directly jeopardizes the safe operation of power system.Traditional spark gap monitoring mode is fixed at run duration
Insulation preventive trial is done in phase power failure, there is the shortcomings such as test voltage is low, cycle length, equipment are heavy, it is impossible to the most anti-
Reflect the insulation status that equipment is actual, thus defect and fault cannot be found in time.It addition, current live detection, mainly inspection
Surveying the characteristic quantity such as leakage current and resistive component thereof, because interphase interference and system harmonics are difficult to eliminate, the impact of temperature, humidity is bigger
Etc. problem, thus the hidden danger of spark gap cannot be found timely and accurately, it is impossible to reply emergency case.Therefore, find the one can
Avoid monitoring model online that interphase interference, harmonic wave, temperature, humidity disturbs and design corresponding detection device there is important meaning
Justice.
Utility model content
For overcoming the deficiency of existing on-Line Monitor Device, this utility model provides a kind of Zinc-Oxide Arrester on-line checking dress
Put, be effectively improved the accuracy of on-line checking.
This utility model takes techniques below scheme to realize:
A kind of Zinc-Oxide Arrester on-line measuring device includes main frame and extension set, and main frame is arranged on transformer station, described main frame
Including wireless receiving module, data processing module and result display module；Wireless receiving module, data processing module and result are aobvious
Show that module is sequentially connected；
Extension set is arranged at outdoor spark gap, and described extension set includes power module, measurement module, calculating and comparing module and nothing
Line transport module；Power module is connected with measurement module, calculating and comparing module and wireless transport module respectively provides electric energy；Measure
Module, calculating and comparing module and wireless transport module are sequentially connected；Measurement module is used for detecting voltage x current when spark gap runs
With temperature humidity parameter；Institute's test parameter is sent to calculating and comparing module by measurement module, obtains measurement data to be transmitted；Wireless
Detection data are transferred to main frame by wireless transport module by described measurement data to be transmitted by transport module；Shown by main frame
Testing result.
One at least corresponding extension set of main frame；Host data processing module comprises data base, containing many in data base
Individual extension set data, it is possible to process the data of multiple stage extension set transmission in real time, and result is shown, carry out follow-up for maintainer
Work provides foundation.
The calculating and comparing module of described extension set can compare circuit phase voltage and the setting threshold size of collection, if phase voltage surpasses
Cross threshold value and then skip this measurement data, otherwise transfer data to wireless transport module, it is to avoid measure under over-voltage condition
Data can not accurately reflect spark gap running status.
This utility model, compared with existing spark gap on-line measuring device, can run shape at main frame display multiple stage spark gap
The data gathered are passed through host data processing module, are obtained spark gap work at present running status by state.Ignore over-voltage condition
Under data, reduce amount of calculation, avoid the inaccuracy of spark gap parameter under over-voltage condition simultaneously.This utility model fills
Put and can realize a host matching multiple stage extension set, simultaneously detection multiple stage spark gap on-line operation state, have stronger expansible
Property, and its data processing module effectively reduces interphase interference, harmonic wave, temperature, the humidity impact on spark gap parameter, it is possible to ratio
Accurate obtain spark gap current operating conditions, be not required to maintainer and have a power failure detection, be greatly improved overhaul efficiency.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structure principle chart of this utility model a kind of Zinc-Oxide Arrester on-line measuring device.
Detailed description of the invention
Referring to the drawings 1, this utility model includes main frame and extension set；Described main frame is arranged on transformer station, including wireless receiving
Module, data processing module and result display module, described extension set is arranged at outdoor spark gap, including power module, measurement
Module, calculating and comparing module and wireless transport module；Described measurement module includes voltage acquisition unit, current acquisition unit, temperature
Degree collecting unit and humidity collection unit.Described voltage acquisition unit is made up of PT and A/D conversion chip, and spark gap is worked by PT
Circuit phase voltage is converted into continuous print low-voltage, then is converted to discrete data signal by A/D conversion chip.Described current acquisition
Unit mainly includes microampere meter and A/D conversion chip, and microampere meter is connected with spark gap ground connection, measures spark gap and reveals total current,
Discrete data signal is converted to again by A/D conversion chip.Described temperature collecting cell and humidity collection unit are respectively by temperature
Spend sensor and humidity sensor collecting temperature and humidity information.
Described voltage acquisition unit and current acquisition unit frequency acquisition are 10kHz, and full electricity revealed by Real-time Collection spark gap
Stream and spark gap place circuit phase voltage.Described temperature collecting cell and humidity collection unit frequency acquisition are 0.01Hz, in real time
Gather spark gap operating ambient temperature and humidity.Due to environment temperature and humidity change slowly, twice acquisition interval, it is considered as taking shelter from the thunder
Device operating temperature humidity is constant.
The four class data collected for synchronization transmit automatic to calculating and comparing module, calculate electricity every 10S
It is pressed in virtual value U1 in this 10S.And by this virtual value U1 and the threshold value of settingRelatively, if more than threshold value, then showing currently to keep away
Thunder device is operated in overvoltage condition, it is impossible to detection spark gap normal operating condition, calculating and comparing module is given up in current 10S automatically
Data.In view of voltage ripple of power network situation, calculating and comparing module sets line voltage distribution threshold value as 1.1 times of phase voltages:。
If U1 is less than threshold value, then in calculating and comparing module, four class data of synchronization are write same array, send
To wireless transport module.If non-collecting temperature moisture signal of a certain moment, then a upper moment value is gathered numerical value as this moment.
Wireless transport module is communicated with main frame in real time by GPRS Radio Transmission Technology, carries out the data of collection beating
Bag, accesses GPRS network by GPRS module, is transmitted to main frame by base station sub-system.
Different extension sets has different IP, the host supervision control centre server lP address by Internet public network,
The reception to Monitoring Data can be completed.Wireless receiving module carries out phase to receiving to transmit after data decompression to data processing module
Pass calculating processes.
Finally, result of calculation and conclusion are shown by result display module, it is simple to operation maintenance personnel understands spark gap
Current state carries out related advantages operation.
The above is only preferred implementation of the present utility model, it should be pointed out that: for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (3)
1. a Zinc-Oxide Arrester on-line measuring device, it is characterised in that: including main frame and extension set, main frame is arranged on power transformation
Standing, described main frame includes wireless receiving module, data processing module and result display module；Wireless receiving module, data process
Module and result display module are sequentially connected；
Extension set is arranged at outdoor spark gap, and described extension set includes power module, measurement module, calculating and comparing module and wireless biography
Defeated module；Power module is connected with measurement module, calculating and comparing module and wireless transport module respectively provides electric energy；Measure mould
Block, calculating and comparing module and wireless transport module are sequentially connected；Measurement module be used for detecting when spark gap runs voltage x current and
Temperature humidity parameter；Institute's test parameter is sent to calculating and comparing module by measurement module, obtains measurement data to be transmitted；Wireless biography
Detection data are transferred to main frame by wireless transport module by described measurement data to be transmitted by defeated module；By main frame display inspection
Survey result.
A kind of Zinc-Oxide Arrester on-line measuring device the most according to claim 1, it is characterised in that: a main frame is at least
A corresponding extension set；Host data processing module comprises data base, containing multiple extension set data in data base.
A kind of Zinc-Oxide Arrester on-line measuring device the most according to claim 1, it is characterised in that: the meter of described extension set
Calculate comparison module and can compare circuit phase voltage and the setting threshold size of collection, if phase voltage exceedes threshold value, skip and this time measure
Data, otherwise transfer data to wireless transport module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620646806.2U CN205720494U (en) | 2016-06-27 | 2016-06-27 | A kind of Zinc-Oxide Arrester state on-line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620646806.2U CN205720494U (en) | 2016-06-27 | 2016-06-27 | A kind of Zinc-Oxide Arrester state on-line detector |
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| Publication Number | Publication Date |
|---|---|
| CN205720494U true CN205720494U (en) | 2016-11-23 |
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| CN201620646806.2U Active CN205720494U (en) | 2016-06-27 | 2016-06-27 | A kind of Zinc-Oxide Arrester state on-line detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121627A (en) * | 2017-06-15 | 2017-09-01 | 国网四川省电力公司巴中供电公司 | A kind of arrester automatic detecting platform |
| CN110211354A (en) * | 2018-09-05 | 2019-09-06 | 国网山东省电力公司临朐县供电公司 | Zinc-Oxide Arrester wireless remote monitoring system |
| CN111930038A (en) * | 2020-07-31 | 2020-11-13 | 福建省三星电气股份有限公司 | Intelligent switch cabinet online measurement and control device |
-
2016
- 2016-06-27 CN CN201620646806.2U patent/CN205720494U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121627A (en) * | 2017-06-15 | 2017-09-01 | 国网四川省电力公司巴中供电公司 | A kind of arrester automatic detecting platform |
| CN110211354A (en) * | 2018-09-05 | 2019-09-06 | 国网山东省电力公司临朐县供电公司 | Zinc-Oxide Arrester wireless remote monitoring system |
| CN111930038A (en) * | 2020-07-31 | 2020-11-13 | 福建省三星电气股份有限公司 | Intelligent switch cabinet online measurement and control device |
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