CN105137269A - Distribution type wireless synchronous zinc oxide arrester electrification detection device and method - Google Patents
Distribution type wireless synchronous zinc oxide arrester electrification detection device and method Download PDFInfo
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- CN105137269A CN105137269A CN201510617514.6A CN201510617514A CN105137269A CN 105137269 A CN105137269 A CN 105137269A CN 201510617514 A CN201510617514 A CN 201510617514A CN 105137269 A CN105137269 A CN 105137269A
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Abstract
The invention discloses a distribution type wireless synchronous zinc oxide arrester electrification detection device. The detection device is characterized in that the detection device comprises a wireless base station, a leakage current acquiring unit, a reference voltage acquiring unit and an operation terminal. The operation terminal is in communication connection with the leakage current acquiring unit and the reference voltage acquiring unit via a wireless local area network. The wireless base station is externally connected with a GPS/BD satellite via a mobile wireless network. The wireless base station and the GPS/BD satellite are respectively connected with the leakage current acquiring unit and the reference voltage acquiring unit via the mobile wireless network. The detection device can detect working conditions of multiple circuits even all zinc oxide arresters of a substation at a time and is advantaged by small size and few cable parts. The invention also provides a distribution type wireless synchronous zinc oxide arrester electrification detection method.
Description
Technical field
The present invention relates to a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity and method, belong to intelligent T & D Technology field.
Background technology
Metal oxide arrester MOA is universally acknowledged most advanced lightning protection electrical equipment in the present age.Bear the factor impacts such as system voltage, superpotential, filth and internal wetted due to Zinc-Oxide Arrester for a long time, make its decreasing insulating, nonlinear characteristic lost efficacy, cause MOA aging, even explode, not only cause huge economic loss, and serious threat is to the safe operation of electrical network.Therefore, the insulating property of lightning arrester are tested, can find early and fix a breakdown, the generation of Accident prevention.
Zinc-Oxide Arrester carrys out its operation characteristic of comprehensive descision mainly through the ac leakage current under live detection working voltage and offline inspection.Wired connection is passed through between the voltage sensor of traditional Zinc-Oxide Arrester live detection instrument and current sensor, when voltage acquisition point is distant from tested lightning arrester, can only solve by lengthening cable or changing voltage acquisition point, not only easily coupling and the more interference of superposition, and add workload to field staff, complexity and operational risk, some instruments by adopting radio frequency point-to-point or GPRS low-speed wireless transmission data between voltage sensor and current sensor, but the collection of three-phase lightning protector leakage current still needs 3 groups of measurement cables to be connected to each lightning arrester measures, do not realize wireless penetration completely.In addition, the general volume of current zinc oxide arrester tester is comparatively large, cable and accessory numerous, one set of instrument once can only detect 3 of a same circuit lightning arrester.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect that traditional Zinc-Oxide Arrester live detection instrument volume is large, cable accessory is numerous, do not possess complete wireless penetration, once can only survey same circuit 3 lightning arresters, a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity and method are provided.
The present invention adopts following technical scheme: a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity, it is characterized in that, comprise wireless base station, Leakage Current collecting unit, reference voltage collecting unit, operating terminal, described operating terminal by WLAN (wireless local area network) respectively with described Leakage Current collecting unit, described reference voltage collecting unit communicates to connect, described wireless base station is by the external GPS/BD satellite of mobile wireless network, described wireless base station and described GPS/BD passing of satelline mobile wireless network respectively with described Leakage Current collecting unit, described reference voltage collecting unit is connected.
Preferably, described wireless base station comprises wireless network access module, wireless radiofrequency time service main website, battery, described wireless network access module be used to provide can more than sighting distance 1km WLAN cover; Described wireless radiofrequency time service main website comprises wireless radiofrequency sync identification module, wireless radiofrequency clock time service module, described wireless radiofrequency sync identification module obtains precision clock by GPS/BD satellite, the built-in high precision of described wireless radiofrequency sync identification module is kept time module, even if with synchronous GPS/BD satellite lost contact, also can ensure that clock synchronous network continues to run; The digital signal that described wireless radiofrequency clock time service module is used for temporal information to be converted to radio-frequency range sends, and provides the indoor and outdoor wireless radiofrequency clock time service network coverage of more than 500m; Described battery is used for powering to wireless base station.
Preferably, described leakage current collection unit comprises current transformer, modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery; Described current transformer is connected with described modulate circuit, described modulate circuit is connected with described AD, described AD is connected with described CPU, described CPU is connected with described wireless network card, described wireless network card is connected into WLAN (wireless local area network), and described GPS/BD clock time service module, described radio frequency clock synchronization module are connected with described CPU respectively; Described modulate circuit is used for regulating current signal, and described battery is used for powering to described leakage current collection unit.
Preferably, described leakage current collection unit can reach 250 at most, every 3 described leakage current collection unit are classified as one group, and each is organized described leakage current collection unit and possesses and independently organize ID, and each described leakage current collection unit possesses independently No. ID, unit and network IP; Each organizes described leakage current collection unit can carry out Leakage Current data acquisition to A, B, C3 phase lightning arrester, each described Leakage Current collecting unit carries out leakage current data collection to a lightning arrester separately, described Leakage Current data upload to WLAN (wireless local area network) by described wireless network card, connect between described Leakage Current collecting unit without the need to cable.
Preferably, described leakage current collection unit is also provided with electronic label identification module, described electronic label identification module is used for when live detection by identifying that lightning arrester electronic labeling information reads lightning arrester facility information automatically, and corresponding lightning arrester information is automatically uploaded when uploading the leakage current data of collection, realize automatic binding and the record of live detection data.
Preferably, described reference voltage collecting unit comprises voltage transformer (VT), modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery, described voltage transformer (VT) is connected with described modulate circuit, described modulate circuit is connected with described AD, described AD is connected with described CPU, described CPU is connected with described wireless network card, described wireless network card is connected into WLAN (wireless local area network), and described GPS/BD clock time service module, described radio frequency clock synchronization module are connected with described CPU respectively; Described modulate circuit is used for regulation voltage signal, and described battery is used for powering to described reference voltage collecting unit.
Preferably, described operating terminal is smart machine, and described smart machine is notebook computer or mobile phone or panel computer.
The present invention also proposes a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester live detection method, it is characterized in that, comprises the steps:
Wireless base station places by SS1, power-on;
SS2 accesses voltage transformer secondary terminal with reference to voltage acquisition unit, power-on;
Leakage current collection unit is received tested lightning arrester relevant position by SS3, first use Leakage Current collecting unit to scan tested lightning arrester electronic tag before wiring and read lightning arrester facility information, lightning arrester facility information is manually inputted without during electronic tag, can disposablely connect multiple, even the lightning arrester in whole station is all connected, power-on;
SS4 opening operation terminal, the leakage current collection unit that autoscan or manual configuration have connected, associates corresponding with actual lightning arrester for leakage current collection unit group ID and single leakage current collection unit ID;
The data that each Leakage Current collecting unit of SS5 operating terminal automatic acquisition and reference voltage collecting unit are uploaded also calculate, and operating terminal interface shows testing result, and operating personnel confirm errorless rear storage, print testing result;
SS6 test is complete, takes off reference voltage collecting unit and leakage current collection unit, the vanning of each several part device is taken away.
The beneficial effect that the present invention reaches: the present invention is applicable to regularly carry out runnability detection to operating metal oxide arrester, during use, operator only need access voltage transformer secondary terminal with reference to voltage acquisition unit, leakage current collection unit is disposed respectively and is connected to the corresponding measuring position of each lightning arrester, open wireless base station, operating terminal is opened also access network can start working, there is volume little, the advantage that cable accessory is few, can disposable detection many circuits even transformer station's Zinc-Oxide Arrester operating mode of entirely standing, overcome traditional Zinc-Oxide Arrester live detection instrument volume large, cable accessory is numerous, do not possess complete wireless penetration, once can only survey the shortcoming and defect of same circuit 3 lightning arresters.
Accompanying drawing explanation
Fig. 1 is global network anatomical connectivity schematic diagram of the present invention.
Fig. 2 is inner structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Fig. 1 is global network anatomical connectivity schematic diagram of the present invention, the present invention proposes a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity, it is characterized in that, comprise wireless base station, Leakage Current collecting unit, reference voltage collecting unit, operating terminal, operating terminal by WLAN (wireless local area network) respectively with Leakage Current collecting unit, reference voltage collecting unit communicates to connect, wireless base station is by the external GPS/BD satellite of mobile wireless network, wireless base station and GPS/BD passing of satelline mobile wireless network respectively with Leakage Current collecting unit, reference voltage collecting unit is connected, i.e. wireless base station, Leakage Current collecting unit, reference voltage collecting unit obtains external GPS/BD satellite-signal by built-in GPS/BD module.
Fig. 2 is inner structure schematic diagram of the present invention, and wireless base station comprises wireless network access module, wireless radiofrequency time service main website, battery, wireless network access module be used to provide can more than sighting distance 1km WLAN cover; Wireless radiofrequency time service main website comprises wireless radiofrequency sync identification module, wireless radiofrequency clock time service module, wireless radiofrequency sync identification module obtains precision clock by GPS/BD satellite, the built-in high precision of wireless radiofrequency sync identification module is kept time module, even if with synchronous GPS/BD satellite lost contact, also can ensure that clock synchronous network continues to run; The digital signal that wireless radiofrequency clock time service module is used for temporal information to be converted to radio-frequency range sends, and provides the indoor and outdoor wireless radiofrequency clock time service network coverage of more than 500m; Battery is used for powering to wireless base station.
Leakage current collection unit comprises current transformer, modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery; Current transformer is connected with modulate circuit, and modulate circuit is connected with AD, and AD and CPU is connected, and CPU is connected with wireless network card, and wireless network card is connected into WLAN (wireless local area network), and GPS/BD clock time service module, radio frequency clock synchronization module are connected with CPU respectively; Modulate circuit is used for regulating current signal, and battery is used for powering to leakage current collection unit.
Leakage current collection unit can reach 250 at most, and every 3 leakage current collection unit are classified as one group, and each group leakage current collection unit possesses independently organizes ID, and each leakage current collection unit possesses independently No. ID, unit and network IP; Each group leakage current collection unit can carry out Leakage Current data acquisition to A, B, C3 phase lightning arrester, each Leakage Current collecting unit carries out leakage current data collection to a lightning arrester separately, Leakage Current data upload to WLAN (wireless local area network) by wireless network card, connect between Leakage Current collecting unit without the need to cable.
Leakage current collection unit is also provided with electronic label identification module, electronic label identification module is used for when live detection by identifying that lightning arrester electronic labeling information reads lightning arrester facility information automatically, and corresponding lightning arrester information is automatically uploaded when uploading the leakage current data of collection, realize automatic binding and the record of live detection data.
Leakage current signal is converted to the current signal that can gather for AD by current transformer and modulate circuit by leakage current collection unit, CPU triggers by the pps pulse per second signal of GPS/BD clock time service module or radio frequency clock synchronization module, produce and gather clock and corresponding sequential, drive AD image data, simultaneously CPU resolves the temporal information of the serial form that GPS/BD clock time service module or radio frequency clock synchronization module transmit, data stamped timestamp and is packaged as specific format Frame, then uploading to operating terminal by wireless network.
Reference voltage collecting unit comprises voltage transformer (VT), modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery, voltage transformer (VT) is connected with modulate circuit, modulate circuit is connected with AD, AD and CPU is connected, CPU is connected with wireless network card, wireless network card is connected into WLAN (wireless local area network), and GPS/BD clock time service module, radio frequency clock synchronization module are connected with CPU respectively; Modulate circuit is used for regulation voltage signal, and battery is used for powering to reference voltage collecting unit.
Leakage current collection unit and reference voltage collecting unit inside adopt the mode of GPS/BD clock time service module and the time service of radio frequency clock synchronization module bimodulus, the GPS/BD clock time service module adopting precision higher under outdoor conditions is synchronous, when indoor are without GPS/BD signal, changeable is radio frequency clock synchronous mode, by the radio frequency clock time service main website in wireless base station at outdoor acquisition GPS/BD signal, convert radiofrequency signal again to and send to radio frequency clock synchronization module, realize the clock synchronous between each Leakage Current collecting unit and reference voltage collecting unit.
Leakage current collection unit and reference voltage collecting unit are except synchronous acquisition and direct uploading data function, also possesses the function of the parameters of electric power such as local computing effective value, phase place, harmonic wave, result of calculation is bundled in Frame and uploads to operating terminal, operating terminal is according to after timestamp align data frame, and direct taking-up result of calculation is carried out analysis and obtained testing result.
Reference voltage collecting unit only needs one in systems in which, and provide reference for all leakage currents calculate, except front end mutual inductor is different from modulate circuit, other parts principle is the same with leakage current collection unit with workflow.
Operating terminal is smart machine, and smart machine is notebook computer or mobile phone or panel computer, possesses display screen, touch-screen or keyboard and mouse, WiFi wireless device, storage medium.
The present invention also proposes a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester live detection method, it is characterized in that, comprises the steps:
Wireless base station places by SS1, power-on;
SS2 accesses voltage transformer secondary terminal with reference to voltage acquisition unit, power-on;
Leakage current collection unit is received tested lightning arrester relevant position by SS3, first use Leakage Current collecting unit to scan tested lightning arrester electronic tag before wiring and read lightning arrester facility information, lightning arrester facility information is manually inputted without during electronic tag, can disposablely connect multiple, even the lightning arrester in whole station is all connected, power-on;
SS4 opening operation terminal, the leakage current collection unit that autoscan or manual configuration have connected, associates corresponding with actual lightning arrester for leakage current collection unit group ID and single leakage current collection unit ID;
The data that each Leakage Current collecting unit of SS5 operating terminal automatic acquisition and reference voltage collecting unit are uploaded also calculate, and operating terminal interface shows testing result, and operating personnel confirm errorless rear storage, print testing result;
SS6 test is complete, takes off reference voltage collecting unit and leakage current collection unit, the vanning of each several part device is taken away.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. a distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity, it is characterized in that, comprise wireless base station, Leakage Current collecting unit, reference voltage collecting unit, operating terminal, described operating terminal by WLAN (wireless local area network) respectively with described Leakage Current collecting unit, described reference voltage collecting unit communicates to connect, described wireless base station is by the external GPS/BD satellite of mobile wireless network, described wireless base station and described GPS/BD passing of satelline mobile wireless network respectively with described Leakage Current collecting unit, described reference voltage collecting unit is connected.
2. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 1, it is characterized in that, described wireless base station comprises wireless network access module, wireless radiofrequency time service main website, battery, described wireless network access module be used to provide can more than sighting distance 1km WLAN cover; Described wireless radiofrequency time service main website comprises wireless radiofrequency sync identification module, wireless radiofrequency clock time service module, described wireless radiofrequency sync identification module obtains precision clock by GPS/BD satellite, the built-in high precision of described wireless radiofrequency sync identification module is kept time module, even if with synchronous GPS/BD satellite lost contact, also can ensure that clock synchronous network continues to run; The digital signal that described wireless radiofrequency clock time service module is used for temporal information to be converted to radio-frequency range sends, and provides the indoor and outdoor wireless radiofrequency clock time service network coverage of more than 500m; Described battery is used for powering to wireless base station.
3. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 1, it is characterized in that, described leakage current collection unit comprises current transformer, modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery; Described current transformer is connected with described modulate circuit, described modulate circuit is connected with described AD, described AD is connected with described CPU, described CPU is connected with described wireless network card, described wireless network card is connected into WLAN (wireless local area network), and described GPS/BD clock time service module, described radio frequency clock synchronization module are connected with described CPU respectively; Described modulate circuit is used for regulating current signal, and described battery is used for powering to described leakage current collection unit.
4. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 3, it is characterized in that, described leakage current collection unit can reach 250 at most, every 3 described leakage current collection unit are classified as one group, each is organized described leakage current collection unit and possesses and independently organize ID, and each described leakage current collection unit possesses independently No. ID, unit and network IP; Each organizes described leakage current collection unit can carry out Leakage Current data acquisition to A, B, C3 phase lightning arrester, each described Leakage Current collecting unit carries out leakage current data collection to a lightning arrester separately, described Leakage Current data upload to WLAN (wireless local area network) by described wireless network card, connect between described Leakage Current collecting unit without the need to cable.
5. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 4, it is characterized in that, described leakage current collection unit is also provided with electronic label identification module, described electronic label identification module is used for when live detection by identifying that lightning arrester electronic labeling information reads lightning arrester facility information automatically, and corresponding lightning arrester information is automatically uploaded when uploading the leakage current data of collection, realize automatic binding and the record of live detection data.
6. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 1, it is characterized in that, described reference voltage collecting unit comprises voltage transformer (VT), modulate circuit, AD, CPU, GPS/BD clock time service module, radio frequency clock synchronization module, wireless network card, antenna, display screen and battery, described voltage transformer (VT) is connected with described modulate circuit, described modulate circuit is connected with described AD, described AD is connected with described CPU, described CPU is connected with described wireless network card, described wireless network card is connected into WLAN (wireless local area network), described GPS/BD clock time service module, described radio frequency clock synchronization module is connected with described CPU respectively, described modulate circuit is used for regulation voltage signal, and described battery is used for powering to described reference voltage collecting unit.
7. a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 1, it is characterized in that, described operating terminal is smart machine, and described smart machine is notebook computer or mobile phone or panel computer.
8. adopt the detection method of a kind of distributed wireless Simultaneous Oxidation zinc lightning arrester measuring device with electricity according to claim 1, it is characterized in that, comprise the steps:
Wireless base station places by SS1, power-on;
SS2 accesses voltage transformer secondary terminal with reference to voltage acquisition unit, power-on;
Leakage current collection unit is received tested lightning arrester relevant position by SS3, first use Leakage Current collecting unit to scan tested lightning arrester electronic tag before wiring and read lightning arrester facility information, lightning arrester facility information is manually inputted without during electronic tag, can disposablely connect multiple, even the lightning arrester in whole station is all connected, power-on;
SS4 opening operation terminal, the leakage current collection unit that autoscan or manual configuration have connected, associates corresponding with actual lightning arrester for leakage current collection unit group ID and single leakage current collection unit ID;
The data that each Leakage Current collecting unit of SS5 operating terminal automatic acquisition and reference voltage collecting unit are uploaded also calculate, and operating terminal interface shows testing result, and operating personnel confirm errorless rear storage, print testing result;
SS6 test is complete, takes off reference voltage collecting unit and leakage current collection unit, the vanning of each several part device is taken away.
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| CN113820536A (en) * | 2021-09-29 | 2021-12-21 | 国网河南省电力公司检修公司 | Zinc oxide arrester live-line detection method based on wireless synchronous current measurement technology |
| CN114264872A (en) * | 2021-11-25 | 2022-04-01 | 国网安徽省电力有限公司马鞍山供电公司 | Lightning arrester live-line detection device applied to discharge gap and control method |
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Application publication date: 20151209 |