CN104914290A - Photovoltaic powered current transmitter - Google Patents
Photovoltaic powered current transmitter Download PDFInfo
- Publication number
- CN104914290A CN104914290A CN201510353731.9A CN201510353731A CN104914290A CN 104914290 A CN104914290 A CN 104914290A CN 201510353731 A CN201510353731 A CN 201510353731A CN 104914290 A CN104914290 A CN 104914290A
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- China
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- shell
- face
- polygon
- power supply
- current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic powered current transmitter, which comprises a current transformer and the like, and is characterized in that the current transformer and a storage battery are located at a polygonal butt-joint shell, a signal transmitting device is located at one side of the polygonal butt-joint shell, a cable fixing and sealing sleeve is fixed with the middle of the polygonal butt-joint shell, the polygonal butt-joint shell is composed of an upper shell and a lower shell which are symmetrical, the upper shell is provided with a first shell side surface, a second shell side surface 202 and a second shell side surface 203, and three photovoltaic panels are arranged on the first shell side surface, the second shell side surface 202 and the second shell side surface 203 respectively. The current transmitter disclosed by the invention enables the photovoltaic panels to supply power continuously to the current transmitter in an all-weather mode, the frequency of the current transmitter for data acquisition is improved because of the continuity in charging of the photovoltaic panels, and even continuous acquisition can be carried out, thereby solving limitations of a current transmitter at present when measuring and monitoring in a high-voltage and an extra-high voltage electric power system because of the power supply capacity.
Description
Technical field
The present invention relates to a kind of current transducer of photovoltaic power supply, be specifically related to a kind of current signal collected from high-voltage great-current circuit and convert small voltage signal to for data collection host directly.Belong in electric system and measure monitoring, especially in high pressure and extra-high voltage electric power system, measure monitoring technique field.
Background technology
Feeder cable is one of most important ingredient of national grid infrastructure, for ensure huge networking safe, reliably, intelligently run, manual inspection method and conventional monitoring equipment cannot be competent at.For meeting this significant demand, some novel sensing detection equipment are developed and start to be applied to the on-line condition monitoring of power cable, as current transducer etc.At present, when carrying out current measurement by current transducer, its data measured, are generally be delivered to data collection host or intelligent controller by the mode of wire transmission, carry out Real-Time Monitoring.But when high pressure, extra-high voltage power transmission and distribution, adopt wire transmission mode safety issue larger.Therefore, when high pressure, extra-high voltage power transmission and distribution, be usually be delivered to data collection host or intelligent controller by the mode of wireless transmission.But when the data of current transducer collection are transmitted by the mode of wireless transmission, current transducer adopts powered battery.Owing to being subject to the restriction of battery capacity, current transducer is extend the on-line monitoring time, adopts batch (-type) data acquisition modes, instead of adopts continuous or that short duration high frequency is secondary acquisition mode.This not only has influence on the promptness of data acquisition and online data has certain retardance, and still wants often to change battery to current transducer, and the maintenance cost adding equipment too increases the risk of monitoring simultaneously.
Capacity is increased to the power supply of the current transducer adopting wireless transmission image data, extends its on-line continuous pot life; Improving the frequency of image data of current transducer, even continuous acquisition, is that estimated current transmitter is measured monitoring technique field and had technical matters to be solved in high pressure and extra-high voltage electric power system.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of current transducer of photovoltaic power supply, and it is powered to current transducer by photovoltaic battery panel, and by the accumulator in transmitter, makes that photovoltaic battery panel is round-the-clock powers continuously to current transducer.Due to the sustainability of photovoltaic battery panel charging, improve the frequency of the image data of current transducer, even can continuous acquisition, solve when estimated current transmitter measures monitoring in high pressure and extra-high voltage electric power system due to the restriction of power supply capacity, online normal working hours short, the low data delay of Monitoring frequency, the technical matters that monitoring equipment maintenance cost height monitoring risk is high.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of current transducer of photovoltaic power supply, it is characterized in that, it comprises current transformer, accumulator, sender unit, cable fixing seal cover, polygon docking shell, photovoltaic battery panel, current transformer, accumulator is all positioned at polygon docking shell, sender unit is positioned at the side of polygon docking shell, cable fixing seal cover docks shell centre with polygon is fixed, polygon docking shell is made up of the upper casing of symmetry and lower casing, upper casing has the first face, shell limit, face, second housing limit, face, second housing limit, three photovoltaic battery panels are located on the first face, shell limit respectively, on face, second housing limit, on face, second housing limit.
Preferably, described polygon docking shell is that periphery six face surrounds, and both ends of the surface are the housing that hexagonal groups is welded into one.
Preferably, described upper casing and lower casing are bolted integral.
Preferably, the fixing gland of described cable fixing seal cover is on a cable.
Preferably, described current transformer, accumulator, sender unit, cable fixing seal cover all adopt poured with epoxy resin shaping.
Positive progressive effect of the present invention is: the present invention is powered to current transducer by photovoltaic battery panel, and by the accumulator in transmitter, makes that photovoltaic battery panel is round-the-clock powers continuously to current transducer.Due to the sustainability of photovoltaic battery panel, improve the frequency of the image data of current transducer, even can continuous acquisition.Solve due to the restriction of power supply capacity when estimated current transmitter measures monitoring in high pressure and extra-high voltage electric power system, online normal working hours short, the low data delay of Monitoring frequency, the technical matters that monitoring equipment maintenance cost height monitoring risk is high.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the current transducer of photovoltaic power supply;
Fig. 2 is the schematic side view of the current transducer of photovoltaic power supply;
Fig. 3 is that the axle of the current transducer of photovoltaic power supply looks schematic diagram.
Embodiment
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the current transducer of photovoltaic power supply of the present invention comprises current transformer 6, accumulator 8, sender unit 4, cable fixing seal cover 5, polygon docking shell 200, photovoltaic battery panel 1, current transformer 6, accumulator 8 is all positioned at polygon docking shell 200, sender unit 4 is positioned at the side of polygon docking shell 200, cable fixing seal cover 5 docks shell 200 centre with polygon is fixed, polygon docking shell 200 is made up of the upper casing 210 of symmetry and lower casing 220, upper casing 210 has the first face, shell limit 201, face, second housing limit 202, face, second housing limit 203, three photovoltaic battery panels 1 are located on the first face, shell limit 201 respectively, on face, second housing limit 202, on face, second housing limit 203, the maximum like this irradiation accepting the sun.
Polygon docking shell 200 surrounds for periphery six face, and both ends of the surface are the housing that hexagonal groups is welded into one.Upper casing 210 and lower casing 220 are linked into an integrated entity by bolt 3, and this spline structure is simple, easy disassembly.
The fixing gland of cable fixing seal cover 5 is on a cable 7, fixed like this.
Current transformer 6, accumulator 8, sender unit 4, cable fixing seal cover 5 all adopts poured with epoxy resin shaping.
The present embodiment does not limit the shape of polygon docking shell, and simultaneously the present embodiment does not limit the position that photovoltaic battery panel is installed, as long as similar all at scope to structure of the present invention, purposes.
Claims (5)
1. the current transducer of a photovoltaic power supply, it is characterized in that, it comprises current transformer, accumulator, sender unit, cable fixing seal cover, polygon docking shell, photovoltaic battery panel, current transformer, accumulator is all positioned at polygon docking shell, sender unit is positioned at the side of polygon docking shell, cable fixing seal cover docks shell centre with polygon is fixed, polygon docking shell is made up of the upper casing of symmetry and lower casing, upper casing has the first face, shell limit, face, second housing limit, face, second housing limit, three photovoltaic battery panels are located on the first face, shell limit respectively, on face, second housing limit, on face, second housing limit.
2. the current transducer of photovoltaic power supply as claimed in claim 1, is characterized in that, described polygon docking shell is that periphery six face surrounds, and both ends of the surface are the housing that hexagonal groups is welded into one.
3. the current transducer of photovoltaic power supply as claimed in claim 1, it is characterized in that, described upper casing and lower casing are bolted integral.
4. the current transducer of photovoltaic power supply as claimed in claim 1, is characterized in that, the fixing gland of described cable fixing seal cover is on a cable.
5. the current transducer of photovoltaic power supply as claimed in claim 1, is characterized in that, described current transformer, accumulator, sender unit, cable fixing seal cover all adopts poured with epoxy resin shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353731.9A CN104914290A (en) | 2015-06-23 | 2015-06-23 | Photovoltaic powered current transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353731.9A CN104914290A (en) | 2015-06-23 | 2015-06-23 | Photovoltaic powered current transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104914290A true CN104914290A (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510353731.9A Pending CN104914290A (en) | 2015-06-23 | 2015-06-23 | Photovoltaic powered current transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104914290A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871053A (en) * | 2016-05-10 | 2016-08-17 | 国网新疆电力公司经济技术研究院 | Power supply device for online monitoring of ultrahigh-voltage direct current transmission line |
| US10673353B2 (en) | 2017-05-30 | 2020-06-02 | Abb Schweiz Ag | Converter cell with integrated photovoltaic cell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247303Y (en) * | 2008-08-20 | 2009-05-27 | 西安供电局 | Current sensor for on-line monitoring cable local discharge |
| CN201946099U (en) * | 2010-05-05 | 2011-08-24 | 无锡科尔华电子有限公司 | Comprehensively monitored data acquiring device for solar zigbee wireless power transmission line |
| CN202133703U (en) * | 2011-06-27 | 2012-02-01 | 常州爱特科技有限公司 | Zinc oxide lightning arrester on-line monitor with solar energy power supply |
| CN202648707U (en) * | 2012-07-17 | 2013-01-02 | 浙江航天神舟电控技术有限公司 | Smart grid conduction wire on-line monitoring system |
| CN202712910U (en) * | 2012-07-23 | 2013-01-30 | 广西电网公司电力科学研究院 | Solar energy power supply system suitable for transformer station online monitoring sensor |
| CN203203626U (en) * | 2013-04-28 | 2013-09-18 | 李冰 | Intelligent community electrical network monitoring and protection system |
| CN204065313U (en) * | 2014-06-30 | 2014-12-31 | 杭州申昊科技股份有限公司 | A kind of distribution line failure on-Line Monitor Device |
-
2015
- 2015-06-23 CN CN201510353731.9A patent/CN104914290A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247303Y (en) * | 2008-08-20 | 2009-05-27 | 西安供电局 | Current sensor for on-line monitoring cable local discharge |
| CN201946099U (en) * | 2010-05-05 | 2011-08-24 | 无锡科尔华电子有限公司 | Comprehensively monitored data acquiring device for solar zigbee wireless power transmission line |
| CN202133703U (en) * | 2011-06-27 | 2012-02-01 | 常州爱特科技有限公司 | Zinc oxide lightning arrester on-line monitor with solar energy power supply |
| CN202648707U (en) * | 2012-07-17 | 2013-01-02 | 浙江航天神舟电控技术有限公司 | Smart grid conduction wire on-line monitoring system |
| CN202712910U (en) * | 2012-07-23 | 2013-01-30 | 广西电网公司电力科学研究院 | Solar energy power supply system suitable for transformer station online monitoring sensor |
| CN203203626U (en) * | 2013-04-28 | 2013-09-18 | 李冰 | Intelligent community electrical network monitoring and protection system |
| CN204065313U (en) * | 2014-06-30 | 2014-12-31 | 杭州申昊科技股份有限公司 | A kind of distribution line failure on-Line Monitor Device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871053A (en) * | 2016-05-10 | 2016-08-17 | 国网新疆电力公司经济技术研究院 | Power supply device for online monitoring of ultrahigh-voltage direct current transmission line |
| US10673353B2 (en) | 2017-05-30 | 2020-06-02 | Abb Schweiz Ag | Converter cell with integrated photovoltaic cell |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20150916 |