CN106908684A - A kind of metal oxide arrester live detection Multi point measuring apparatus - Google Patents
A kind of metal oxide arrester live detection Multi point measuring apparatus Download PDFInfo
- Publication number
- CN106908684A CN106908684A CN201710040754.3A CN201710040754A CN106908684A CN 106908684 A CN106908684 A CN 106908684A CN 201710040754 A CN201710040754 A CN 201710040754A CN 106908684 A CN106908684 A CN 106908684A
- Authority
- CN
- China
- Prior art keywords
- data transmission
- transmission module
- galvanic separation
- wireless data
- arrester
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The invention discloses a kind of metal oxide arrester live detection Multi point measuring apparatus, including many set galvanic separation termination and main test equipments, many set galvanic separation terminations include one group of current sample wire clamp of arrester three-phase leakage current table, D/A converter module and from wireless data transmission module, and current sample wire clamp is used for short circuit leakage current table；Described main test equipment includes main wireless data transmission module, function operator and display terminal.The present invention is by many set galvanic separation terminations of design, often cover galvanic separation termination one group of arrester of correspondence, often set galvanic separation termination has oneself independent mailing address, effectively solves the problems, such as anticollision during radio communication, test main frame and voltage isolator（Take reference voltage）Then it is fixed on by certain bus-bar potential transformer terminal box, after galvanic separation wiring work of the tester on the arrester for completing all groups of early stage, you can tested with by test main frame.
Description
Technical field
The present invention relates to arrester field of measuring technique, more particularly to a kind of metal oxide arrester live detection multiple spot
Measurement apparatus.
Background technology
At present, metal oxide arrester is one of important protection equipment of guarantee safe operation of power system, main to use
In limitation system overvoltage, leakage current is a very important reference index for examining arrester quality.Periodically open
The testing experiment of the leakage current under exhibition arrester running status is to judge the effective measures in fortune arrester state.Experiment at present
Arrester measuring device with electricity that personnel are used that is, by voltage isolator or is galvanically isolated typically using wirelessly
Device using being wirelessly transferred reference voltage or current data, measurement host using wireless receiving to data carry out calculating knot
Really.
Either by voltage isolator mode or galvanic separation mode, measurement every time can only measure one group of arrester
Data, then same set of experimental rig be transferred to next group and dismounted wiring again, repeat disconnect during, consume
The substantial amounts of time, experimental rig probability of damage is increased, personnel move equipment in powered interval, and notice excessively concentrates on examination
Test and ignore safety factor, so also increasing the unsafe factor of personnel.
The content of the invention
It is an object of the invention to provide a kind of metal oxide arrester live detection Multi point measuring apparatus, it is possible to increase keep away
Thunder device live detection test efficiency, reduces the probability that staff and experimental rig are compromised.
The technical solution adopted by the present invention is：
A kind of metal oxide arrester live detection Multi point measuring apparatus, including many sets galvanic separation termination and main survey
Examination equipment, many set galvanic separation terminations include one group of current sample line of arrester three-phase leakage current table
Folder, D/A converter module and from wireless data transmission module, current sample wire clamp is used for short circuit leakage current table, and electricity is connected by wiring
Flow the three-phase input end of isolator, the earth terminal grounding connection of galvanic separation；The output end of described galvanic separation is successively
By D/A converter module and from wireless data transmission module and main test equipment wireless connection；Described main test equipment includes main nothing
Line number transmission module, function operator and display terminal, described main wireless data transmission module are equipped with from wireless data transmission module；
The input of the main wireless data transmission module output end contiguous function arithmetic unit, the output end connection display terminal of function operator
Input.
Main wireless data transmission module and any communication time division technique between wireless data transmission module, each is from wireless data sending
Module has an independent ID address, data or order is sent using the data frame with address code, so as to avoid co-channel interference
Problem.
On the basis of existing arrester measuring device with electricity, design covers galvanic separations to the measurement apparatus of the invention
Termination, often covers galvanic separation termination one group of arrester of correspondence, and often covering galvanic separation termination has oneself only
Vertical mailing address, effectively solves the problems, such as anticollision during radio communication, test main frame and voltage isolator（Take with reference to electricity
Pressure）Then it is fixed on by certain bus-bar potential transformer terminal box, electricity of the tester on the arrester for completing all groups of early stage
After the wiring work of stream isolator, you can tested with by test main frame.The test device Wireless Data Transmission is accurate, real
When, reliability, realize the data transfer between a receiving terminal and multiple transmitting terminal, drastically increase arrester live detection
Operating efficiency；Without mobile device during test, the abrasion of test device is effectively reduced, while preferably having ensured electrical test
Safety during personnel's operation.The test device has a wide range of application, with good market prospects and application value.
Brief description of the drawings
Fig. 1 is electrical principle block diagram of the invention；
Fig. 2 is data transmission principle figure of the invention.
In figure：1st, a kind of metal oxide arrester live detection Multi point measuring apparatus, 2, galvanic separation termination,
3rd, current sample wire clamp, 4, leakage current sampled signal, 5, D/A converter module, 6, from wireless data transmission module, 7, antenna, 8, connect
Ground terminal.
Specific embodiment
As illustrated in fig. 1 and 2, the present invention is used for using leakage current of an arrester under metal oxide arrester running status
Tester carries out the measurement of arrester inside valve block leakage current under running status.Including many set galvanic separation terminations 2
With main test equipment, many set galvanic separation terminations 2 respectively include one group of arrester three-phase leakage current table
Wiring, current sample wire clamp 3, galvanic separation, D/A converter module 5 and from wireless data transmission module 6, current sample wire clamp 3 is used
In short circuit leakage current table, the three-phase input end of galvanic separation is connected by wiring, the earth terminal ground connection of galvanic separation connects
Connect；The output end of described galvanic separation passes sequentially through D/A converter module 5 and from wireless data transmission module 6 and main test equipment
Wireless connection；
The reply data for being responsible for will leak out current sampling device from wireless data transmission module 6 sends main wireless data transmission module to.In order to
Avoid the problem of co-channel interference, system using time division technique by the main wireless data transmission module of system with any from wireless data transmission module 6
Between communication separate using the time-division by the way of, each has an independent ID address from wireless data transmission module 6, using band
The data frame of location code sends data or order.
Described main test equipment includes main wireless data transmission module, function operator and display terminal, and described master is wireless
Digital transmission module is equipped with from wireless data transmission module 6；The main wireless data transmission module output end contiguous function arithmetic unit it is defeated
Enter end, the output end of function operator connects the input of display terminal.Main test equipment of the present invention is exactly the measurement
The main frame of device；Each galvanic separation is the test lead for being connected on arrester, has been formerly only available single channel and has transmitted, and is passing aft engine
It is required to re-move position rewiring with test lead, is improved by of the invention setting, increased many multiple spots to single-point
Wireless transmissions and data processing, while being transmitted to main frame.Described main test equipment model is a variety of, can realize to test
Data Collection and treatment, same test main frame is that lightning arrester block property current tester manufacturer can realize this work(
Can it is within the scope of the present invention.
The present invention is made up of a main wireless module and multiple from wireless module, it is possible to achieve multiple spot is to some wireless datas
Between transmission, each has independent processor from wireless module, and the communication with main wireless module is independent of each other, will not be because of certain
The failure of individual wireless module and make whole system out of hand, the reliability of system can not only be improved, be more convenient for safeguard.It is main wireless
Digital transmission module be responsible for by measuring point ancillary equipment return reply data carry out proper treatment (verify, unpack, organize wrap etc.), pass through
Data wire is transmitted to function operator and carries out data operation.
Described main wireless data transmission module and any communication time division technique between wireless data transmission module 6, each from
Wireless data transmission module 6 has an independent ID address, data or order is sent using the data frame with address code, so as to avoid
The problem of co-channel interference.
The present invention devises many set galvanic separation terminations 2, often covers one group of the correspondence of galvanic separation termination 2 and keeps away
The wiring of thunder device three-phase leakage current table, by the short circuit leakage current table of current sample wire clamp 3, under making arrester working voltage
Leakage current sampled signal 4 enters galvanic separation termination 2, and constitutes testing current loop via ground terminal 8.Electric current
Including D/A converter module 5, from wireless data transmission module 6, leakage current sampled signal 4 is passed through the internal circuit of isolator termination 2
After D/A converter module 5 is converted to data signal, launch via from wireless data transmission module 6 and antenna 7, then set by main test
It is standby to receive.The leakage current sampled digital signal that main test equipment is received is transmitted to functional operation via main wireless data transmission module
Device, after function operator carries out Fourier transformation analyzing and processing to data signal, can finally be provided to test data display terminal.Extremely
This, all of data stream transmission process terminates.
Using preceding, all of arrester is first connected test connection by testing crew using galvanic separation termination 2, and
Ensure that every group of test of lightning arrester wiring is correct（Leakage current table is almost shorted completely, ground terminal ground is functional）, together
When, it is responsible for one position of testing experiment personnel selection more suitable（Transformer station centre position is typically in, all keeping away can be taken into account
The test signal of thunder device is received）Bus-bar potential transformer terminal box, main test equipment is fixed on the voltage transformer terminal
By case, without moving again or change any equipment wiring.After all test points and main test equipment wiring are qualified, carry out immediately
Lightning arrester live-line test works, and disposably completes the live detection work of all arresters.
Above-mentioned specific embodiment is used for illustrating the present invention, rather than limiting the invention, in spirit of the invention
In scope of the claims, any modifications and changes made to the present invention both fall within protection scope of the present invention.
The present invention is realized on the basis of existing arrester measuring device with electricity using master-salve distributed, time division technique
The Design of wireless data transmission system of point-to-multipoint, that is, design many set galvanic separation terminations, often covers galvanic separation wiring dress
One group of arrester of correspondence is put, often covering galvanic separation termination has oneself independent mailing address, effectively solves channel radio
Anticollision problem during letter, test main frame and voltage isolator（Take reference voltage）Then it is fixed on certain bus-bar potential transformer end
By sub- case, after galvanic separation wiring work of the tester on the arrester for completing all groups of early stage, you can with test
Tested by main frame.The test device Wireless Data Transmission is accurate, real-time, reliable, realizes a receiving terminal and is sent out with multiple
Data transfer between sending end, drastically increases arrester live detection operating efficiency；Without mobile device during test, effectively
The abrasion of test device is reduced, while safety when preferably having ensured electrical test personnel's operation.
Claims (2)
1. a kind of metal oxide arrester live detection Multi point measuring apparatus, it is characterised in that：Including many set galvanic separations
Termination（2）With main test equipment, many set galvanic separation terminations（2）Include one group of arrester three-phase leakage
The current sample wire clamp of ammeter（3）, D/A converter module（5）With from wireless data transmission module（6）, current sample wire clamp（3）With
In short circuit leakage current table, the three-phase input end of galvanic separation is connected by wiring, the earth terminal ground connection of galvanic separation connects
Connect；The output end of described galvanic separation passes sequentially through D/A converter module（5）With from wireless data transmission module（6）With main test
Equipment wireless connection；Described main test equipment includes main wireless data transmission module, function operator and display terminal, described master
Wireless data transmission module with from wireless data transmission module（6）It is equipped with；The main wireless data transmission module output end contiguous function computing
The input of device, the output end of function operator connects the input of display terminal.
2. a kind of metal oxide arrester live detection Multi point measuring apparatus according to claim 1（1）, its feature exists
In：Each is from wireless data transmission module（6）There is an independent ID address, data or life are sent using the data frame with address code
Order, so as to avoid the problem of co-channel interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040754.3A CN106908684B (en) | 2017-01-20 | 2017-01-20 | Multipoint measuring device for live-line detection of metal oxide arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040754.3A CN106908684B (en) | 2017-01-20 | 2017-01-20 | Multipoint measuring device for live-line detection of metal oxide arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106908684A true CN106908684A (en) | 2017-06-30 |
| CN106908684B CN106908684B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710040754.3A Active CN106908684B (en) | 2017-01-20 | 2017-01-20 | Multipoint measuring device for live-line detection of metal oxide arrester |
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| CN (1) | CN106908684B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346713A (en) * | 2019-07-30 | 2019-10-18 | 国网浙江省电力公司宁波供电公司 | A method of temperature rise test is completed at the same time for more 10kV on-pole switch primary connections |
| CN112924898A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Inside full current measuring device of metal oxide arrester |
| CN115097168A (en) * | 2022-06-23 | 2022-09-23 | 国网湖北省电力有限公司宜昌供电公司 | Multifunctional wiring device for live-line test of lightning arrester |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015117304A1 (en) * | 2014-02-07 | 2015-08-13 | 国电南瑞科技股份有限公司 | System for online monitoring of zinc oxide arrester and method thereof |
| CN105548765A (en) * | 2015-12-31 | 2016-05-04 | 国网浙江省电力公司金华供电公司 | GIS zinc oxide lightning arrester live-line tester |
-
2017
- 2017-01-20 CN CN201710040754.3A patent/CN106908684B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015117304A1 (en) * | 2014-02-07 | 2015-08-13 | 国电南瑞科技股份有限公司 | System for online monitoring of zinc oxide arrester and method thereof |
| CN105548765A (en) * | 2015-12-31 | 2016-05-04 | 国网浙江省电力公司金华供电公司 | GIS zinc oxide lightning arrester live-line tester |
Non-Patent Citations (1)
| Title |
|---|
| 袁海燕;庄燕飞;任庆帅;于莎;李凯;: "改进的特高压金属氧化物避雷器带电测试方法" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346713A (en) * | 2019-07-30 | 2019-10-18 | 国网浙江省电力公司宁波供电公司 | A method of temperature rise test is completed at the same time for more 10kV on-pole switch primary connections |
| CN112924898A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Inside full current measuring device of metal oxide arrester |
| CN115097168A (en) * | 2022-06-23 | 2022-09-23 | 国网湖北省电力有限公司宜昌供电公司 | Multifunctional wiring device for live-line test of lightning arrester |
| CN115097168B (en) * | 2022-06-23 | 2023-10-31 | 国网湖北省电力有限公司宜昌供电公司 | Multifunctional wiring device for live test of lightning arrester |
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| Publication number | Publication date |
|---|---|
| CN106908684B (en) | 2023-04-07 |
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