CN104360225B - Line loss positioning device and line loss positioning method for low-voltage overhead line - Google Patents
Line loss positioning device and line loss positioning method for low-voltage overhead line Download PDFInfo
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- CN104360225B CN104360225B CN201410553978.0A CN201410553978A CN104360225B CN 104360225 B CN104360225 B CN 104360225B CN 201410553978 A CN201410553978 A CN 201410553978A CN 104360225 B CN104360225 B CN 104360225B
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- 230000005611 electricity Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000011218 segmentation Effects 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000004807 localization Effects 0.000 description 4
- 230000006399 behavior Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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Abstract
A line loss positioning device for a low-voltage overhead line mainly comprises a plurality of mutual inductors, a meter, a wireless data transmitting terminal and a carrier wave acquirer. The mutual inductors are electrically connected with one another. The line loss positioning device is characterized in that each mutual inductor consists of a body and an end cap which are hinged to each other; the meter comprises a mainframe, an operating shell, a liquid crystal display surface device and two rows of binding posts; the mainframe is an MCU (microprogrammed control unit) processing control module and is arranged in the operating shell; the liquid crystal display surface device is fixed on an upper end surface of the operating shell; the two rows of binding posts are respectively arranged on the upper side and the lower side of the upper end surface of the operating shell symmetrically; the binding posts on the upper side and the lower side are respectively connected with corresponding interfaces of the mainframe in the operating shell; the mutual inductors are connected with the corresponding row of binding posts of the meter; the other row of binding posts of the meter are connected with the wireless data transmitting terminal; data are transmitted through an RS-485 communication protocol; and data of the wireless data transmitting terminal and data of the carrier acquirer are transmitted through radio wave.
Description
Technical field
The present invention relates to a kind of line loss positioner of low-voltage circuit and line loss localization method, belong to power circuit peace
Full detection technique field.
Background technology
The detection and localization of line loss is the Main Means that management and economic benefit improve in power supply station.For a long time, low-voltage circuit
Line loss positioning rely primarily on that continuously power utility check could find line loss point to staff scene, if line loss point ratio
More hidden, or there is artificial disturbance, when platform area is excessive, cannot quickly find line loss point, thus causing electricity to damage
Lose.
Content of the invention
It is an object of the invention to overcoming the shortcomings of that prior art exists, and provide a kind of structure simple, using operation letter
Single, easily circuit can be carried out with piecewise analysis and be applied in combination, the line on the quick low-voltage overhead line road searching line loss trouble point
Damage positioner and line loss localization method.
The purpose of the present invention to complete by following technical solution, a kind of line loss positioning dress on low-voltage overhead line road
Put, it mainly includes：Multiple transformers being electrically connected to each other, meter, Wireless Data Transmission Terminal and carrier acquisition device, described transformer
It is hinged by hinge by body and end cap and forms, described meter includes a main frame being made up of MCU processing and control module, operation
Housing, LCD device and binding post, described main frame is arranged on the inside of operation housing, and described LCD device is fixed on
On operation housing upper surface, described binding post has two rows and is respectively symmetrically the both sides up and down being arranged in operation housing upper surface, and
The binding post on described upper and lower both sides is connected with the main frame the corresponding interface in operation housing respectively；Described transformer passes through wire and table
Count corresponding row's binding post to be connected, another row's binding post of described meter is connected with Wireless Data Transmission Terminal, and passes through RS-485
Communications protocol carries out data transmission, and described Wireless Data Transmission Terminal passes through radio wave transmissions data with carrier acquisition device.
Described transformer is a kind of open type transformer being easily installed on circuit, and it is also solid on described end cap
Surely it is provided with profile, on the body of described transformer, the position corresponding with profile is provided with projection, described end cap and body pass through button
The snapping phase of bar and projection is fixed；Described MCU processing and control module carries clock memory, and has been respectively connected with liquid crystal display
Device and the operation button, described MCU processing and control module and connected clock memory, the liquid that are arranged on operation housing upper surface
Crystal display and operation button have been respectively connected with power module.
A kind of method carrying out line loss positioning using the above-mentioned line loss positioner stating low-voltage overhead line road, described line loss is fixed
Position method be：
By installing transformer on the line, gather line information, and transmit information to the meter being connected with transformer,
MCU processing and control module in meter passes data to Wireless Data Transmission Terminal by RS-485 communications protocol again, by no line number
Transmission terminal passes through radio wave transmissions data with carrier acquisition device；
Set up multiple points of observation in the centre in platform area, install, in this position, the dress that the segmentation line inspection of low-voltage overhead line road is damaged
Put, this position is equivalent to and carries out energy metering to circuit thereafter, meter, by making a copy of with same period user's meter electricity, draw
One line loss electricity, this electricity of user, compared with the line loss electricity in whole platform area, if correlation degree is higher, can be assert
The line loss point in platform area is after this point of observation, otherwise then front, continues to arrange point of observation in section determining, by moving it several times
It is assured that the accurate location of line loss point afterwards.
The data by Real-time Collection for the present invention, by user and overhead line structures relation, founding mathematical models, quick analytical line
Damage the position that point produces；Then targetedly measure is taken to be processed.
Shorten the time of lookup, reduce the difficulty of lookup, decrease the cost of lookup；There is structure simple, use
Simple to operate, easily circuit can be carried out with piecewise analysis and be applied in combination, quickly the features such as lookup line loss trouble point.
Brief description
Fig. 1 is the attachment structure schematic diagram of the present invention.
Fig. 2 is that circuit of the present invention connects block diagram.
Fig. 3 is the segment lookup schematic diagram of line loss positioning of the present invention.
Fig. 4 is the segment lookup schematic diagram of one embodiment of the invention.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail：Fig. 1, shown in 2, a kind of low pressure of the present invention is maked somebody a mere figurehead
The line loss positioner of circuit, it mainly includes：Multiple transformers 1 being electrically connected to each other, meter 2, Wireless Data Transmission Terminal 3 and load
Ripple collector 4, described transformer 1 is hinged by hinge and is formed by body 5 and end cap 6, and described meter 2 includes one by MCU
The main frame of reason control module 11 composition, operation housing 7, liquid crystal display 8 and binding post 9, described main frame is arranged on operation housing 7
Inside, described liquid crystal display 8 be fixed on operation housing 7 upper surface on, described binding post 9 has two rows and is respectively symmetrically arrangement
Operation housing 7 upper surface both sides up and down, and the binding post 9 on described upper and lower both sides respectively with operation housing 7 in main frame phase
Interface is answered to connect；Described transformer 1 is connected by wire 10 row's binding post 91 corresponding with meter 2, and described meter 2 is another
Row's binding post 92 is connected with Wireless Data Transmission Terminal 3, and is carried out data transmission by RS-485 communications protocol 12, described wireless data sending
Terminal 3 passes through radio wave transmissions data with carrier acquisition device 4.
Transformer 1 of the present invention is a kind of open type transformer being easily installed on circuit, can carry out electric current
Sampling 13 and voltage sample 14, it is also to be fixed with profile on described end cap 6, with profile on the body 5 of described transformer 1
Corresponding position is provided with projection, and described end cap 6 is mutually fixed by the snapping of profile and projection with body 5；Described MCU process
Control module 11 carries clock memory 15, and the behaviour being respectively connected with liquid crystal display 8 and being arranged on operation housing 7 upper surface
Make button 16, described MCU processing and control module 11 and the clock memory 15 being connected, liquid crystal display 8 and operation button 16
It has been respectively connected with power module 17.
Shown in Fig. 2, a kind of method that line loss positioner using described low-voltage overhead line road carries out line loss positioning, described
Line loss positioning method be：
By installing transformer on the line, gather line information, and transmit information to the meter being connected with transformer,
Meter passes data to Wireless Data Transmission Terminal by RS-485 communications protocol again, and Wireless Data Transmission Terminal is passed through with carrier acquisition device
Radio wave transmissions data；
Set up multiple points of observation in the centre in platform area, install, in this position, the dress that the segmentation line inspection of low-voltage overhead line road is damaged
Put, this position is equivalent to and carries out energy metering to circuit thereafter, meter, by making a copy of with same period user's meter electricity, draw
One line loss electricity, this electricity of user, compared with the line loss electricity in whole platform area, if correlation degree is higher, can be assert
The line loss point in platform area is after this point of observation, otherwise then front, continues to arrange point of observation in section determining, by moving it several times
It is assured that the accurate location of line loss point afterwards.
Embodiment：The device that a kind of low-voltage overhead line road segmentation line inspection is damaged, including the transformer being electrically connected to each other, meter,
Wireless Data Transmission Terminal and carrier acquisition device, described transformer includes body and end cap, and described body is mutually cut with scissors by hinge with end cap
Connect, described meter includes main frame, operation housing, display panels and binding post, described main frame is arranged on the interior of operation housing
Portion, described display panels are fixed on the middle part of the upper surface of operation housing, and described binding post is two rows, is separately fixed at behaviour
Make the both sides of housing upper surface, and binding post interface connection corresponding with main frame respectively；Described transformer passes through wire and meter
Corresponding binding post be connected, the corresponding binding post of described meter is connected with Wireless Data Transmission Terminal, and by RS-485 communicate association
View carries out data transmission, and described Wireless Data Transmission Terminal passes through radio wave transmissions data with carrier acquisition device.
Preferably：Profile is also fixed with the end cap of described transformer, with button on the body of described transformer
The corresponding position of bar is provided with projection, and described end cap is mutually fixed by the snapping of profile and projection with body.Open type transformer
As long as opening opening when mounted, size and circuit line footpath are equal, and the snapping fixed form of profile and projection, install, operate
Easier.
In the middle of platform area, instrument is damaged in the installing segmentation line inspection, and the metering of platform area is divided into two parts, that is, before sectioning and
After sectioning, sectioning obtain electricity be sectioning after user's electricity and loss electricity summation, by and platform
Area's total electricity and the comparison of loss electricity, determine that loss electricity is in segmentation limit or outside segmentation limit.
Shown in Fig. 2, such as loss electricity falls in segmentation tool back segment, then can confirm that line loss point, in back segment, continues segmentation work
Tool moves in back segment, analyzes line loss electricity present position, progressively reduces the scope, until last line loss point emerges.
The service condition of segmentation tool taking the lookup of mothers and sons Wei Xitai area line loss point is as a example described below：In September, 2013, to length
The barren mothers and sons Wei Xitai area of phase investigation employs segmentation line inspection damage instrument and is analyzed.
Shown in Fig. 3, in stuck point 1 position, September is mounted with that instrument is damaged in the segmentation line inspection on 3rd, September obtains 24 hours on the 4th on 5th
Metering electricity (copied with meter reader and take morning registration on the 5th and morning on the 4th registration carrier freeze electricity) and fielded system platform area 4 days
After electricity (include terminal power and user's total electricity), segmentation user's electricity and, analysis result such as following table：
As seen from the above table：After dividing table, loss is higher with the platform area line loss electricity degree of association, assert that line loss point is pacified in segmentation tool
After holding position.Continue to move to the position of stuck point 2.Obtain day electricity as stated above, be analyzed as follows：
As seen from the above table：After dividing table, loss is higher with the platform area line loss electricity degree of association, assert that line loss point is pacified in segmentation tool
After holding position.And back segment user has only had 4 families, find that this user has intermittent stealing after to this section of user's surprise check
Situation, means are hidden, escape from multiple inspection.It is final that using segmentation line inspection damage instrument, quickly positioning removes fault.Retrieve
Loss.
Claims (1)
1. a kind of method that line loss positioner using low-voltage overhead line road carries out line loss positioning, described low-voltage overhead line road
Line loss positioner mainly include：Multiple transformers being electrically connected to each other, meter, Wireless Data Transmission Terminal and carrier acquisition device,
Described transformer is hinged by hinge by body and end cap and forms, and described meter includes one and is made up of MCU processing and control module
Main frame, operation housing, LCD device and binding post, described main frame is arranged on the inside of operation housing, described liquid crystal
Show that face device is fixed on operation housing upper surface, described binding post has two rows being respectively symmetrically to be arranged in operation housing upper surface
Both sides, and the binding post on described upper and lower both sides up and down are connected with the main frame the corresponding interface in operation housing respectively；Described transformer
It is connected by wire row's binding post corresponding with meter, another row's binding post of described meter is connected with Wireless Data Transmission Terminal,
And carried out data transmission by RS-485 communications protocol, described Wireless Data Transmission Terminal passes through radio wave transmissions with carrier acquisition device
Data；
Described transformer is a kind of open type transformer being easily installed on circuit, and it is that also fixation sets on described end cap
Have profile, on the body of described transformer, the position corresponding with profile is provided with projection, described end cap and body pass through profile with
The snapping phase of projection is fixed；Described MCU processing and control module carry clock memory, and be respectively connected with liquid crystal display and
It is arranged on operation button, described MCU processing and control module and connected clock memory, the liquid crystal of operation housing upper surface
Show that device and operation button have been respectively connected with power module；
It is characterized in that the method for described line loss positioning is：By installing transformer on the line, gather line information, and will believe
Breath is transferred to the meter being connected with transformer, the MCU processing and control module in meter again by RS-485 communications protocol by data
Pass to Wireless Data Transmission Terminal, radio wave transmissions data is passed through with carrier acquisition device by Wireless Data Transmission Terminal；In platform area
Between set up multiple points of observation, install, in this position, the device that the low-voltage overhead line road segmentation line inspection is damaged, this position is equivalent to it
Circuit afterwards, meter carry out energy metering, by making a copy of with same period user's meter electricity, draw a line loss electricity, user this
, compared with the line loss electricity in whole platform area, if correlation degree is higher, the line loss point that can assert platform area is in this sight for individual electricity
After examining a little, otherwise then in front, continuation setting point of observation in determination section, it is assured that line loss point by after moving several times
Accurate location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553978.0A CN104360225B (en) | 2014-10-17 | 2014-10-17 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553978.0A CN104360225B (en) | 2014-10-17 | 2014-10-17 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
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| Publication Number | Publication Date |
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| CN104360225A CN104360225A (en) | 2015-02-18 |
| CN104360225B true CN104360225B (en) | 2017-02-15 |
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| CN201410553978.0A Active CN104360225B (en) | 2014-10-17 | 2014-10-17 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044487B (en) * | 2015-06-09 | 2019-02-01 | 国家电网公司 | A kind of area's line loss exception audit system and method |
| CN108063493A (en) * | 2017-12-25 | 2018-05-22 | 光科技股份有限公司 | A kind of method and system of quick positioning low-voltage platform area line loss |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477162A (en) * | 2009-01-04 | 2009-07-08 | 保定市三川电气有限责任公司 | Energy consumption monitoring terminal |
| CN201654125U (en) * | 2009-06-23 | 2010-11-24 | 李发超 | Low voltage line loss meter |
| CN201909817U (en) * | 2010-04-15 | 2011-07-27 | 姚伟庆 | Open-type line loss detector |
| CN202210131U (en) * | 2011-09-28 | 2012-05-02 | 哈尔滨英弗尼迪科技有限公司 | Online line loss analyzer |
| CN203070915U (en) * | 2012-12-18 | 2013-07-17 | 登封市电业(集团)有限公司 | LMZ bus type current transformer |
| CN103744047A (en) * | 2013-12-23 | 2014-04-23 | 国家电网公司 | Method for locating out-of-tolerance electric-energy meters in operation |
| CN204177909U (en) * | 2014-10-17 | 2015-02-25 | 国家电网公司 | A kind of line loss locating device of low-voltage overhead line road |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9048664B2 (en) * | 2012-05-02 | 2015-06-02 | International Business Machines Corporation | Estimating loss rates of links in smart grids |
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2014
- 2014-10-17 CN CN201410553978.0A patent/CN104360225B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477162A (en) * | 2009-01-04 | 2009-07-08 | 保定市三川电气有限责任公司 | Energy consumption monitoring terminal |
| CN201654125U (en) * | 2009-06-23 | 2010-11-24 | 李发超 | Low voltage line loss meter |
| CN201909817U (en) * | 2010-04-15 | 2011-07-27 | 姚伟庆 | Open-type line loss detector |
| CN202210131U (en) * | 2011-09-28 | 2012-05-02 | 哈尔滨英弗尼迪科技有限公司 | Online line loss analyzer |
| CN203070915U (en) * | 2012-12-18 | 2013-07-17 | 登封市电业(集团)有限公司 | LMZ bus type current transformer |
| CN103744047A (en) * | 2013-12-23 | 2014-04-23 | 国家电网公司 | Method for locating out-of-tolerance electric-energy meters in operation |
| CN204177909U (en) * | 2014-10-17 | 2015-02-25 | 国家电网公司 | A kind of line loss locating device of low-voltage overhead line road |
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