CN204177909U - A kind of line loss locating device of low-voltage overhead line road - Google Patents
A kind of line loss locating device of low-voltage overhead line road Download PDFInfo
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- CN204177909U CN204177909U CN201420603065.0U CN201420603065U CN204177909U CN 204177909 U CN204177909 U CN 204177909U CN 201420603065 U CN201420603065 U CN 201420603065U CN 204177909 U CN204177909 U CN 204177909U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 description 22
- 230000011218 segmentation Effects 0.000 description 15
- 238000007689 inspection Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
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Abstract
A kind of line loss locating device of low-voltage overhead line road, it mainly comprises: multiple mutual inductor be electrically connected to each other, table meter, Wireless Data Transmission Terminal and carrier acquisition device, it is characterized in that described mutual inductor to be hinged by hinge by body and end cap to form, described table meter comprises a main frame be 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, described LCD device is fixed on operation housing upper surface, described binding post has two rows and is arranged symmetrically in the both sides up and down of operation housing upper surface respectively, 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 mutual inductor is counted corresponding one by wire and table and is arranged binding post and be connected, another row's binding post of described table meter is connected with Wireless Data Transmission Terminal, and carrying out data transmission by RS-485 communications protocol, described Wireless Data Transmission Terminal and carrier acquisition device are by radio wave transmissions data.
Description
Technical field
The utility model relates to a kind of line loss locating device of low-voltage circuit, belong to power circuit safety detection technology 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, the line loss location of low-voltage circuit main rely on to staff scene continuously power utility check could find line loss point, if line loss point is more hidden, or there is artificial interference, during the situations such as platform district is excessive, just can not find line loss point fast, thus cause electric quantity loss.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, and provide a kind of structure simple, use simple to operate, can piecewise analysis be carried out to circuit easily and combinationally use, the line loss locating device on the low-voltage overhead line road of fast finding line loss trouble spot.
The purpose of this utility model has been come by following technical solution, a kind of line loss locating device of low-voltage overhead line road, it mainly comprises: multiple mutual inductor be electrically connected to each other, table meter, Wireless Data Transmission Terminal and carrier acquisition device, described mutual inductor to be hinged by hinge by body and end cap and to form, described table meter comprises a main frame be 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, described LCD device is fixed on operation housing upper surface, described binding post has two rows and is arranged symmetrically in the both sides up and down of operation housing upper surface respectively, 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 mutual inductor is counted corresponding one by wire and table and is arranged binding post and be connected, another row's binding post of described table meter is connected with Wireless Data Transmission Terminal, and carrying out data transmission by RS-485 communications protocol, described Wireless Data Transmission Terminal and carrier acquisition device are by radio wave transmissions data.
Described mutual inductor is a kind of open type mutual inductor be easily installed on circuit, it is also fixed with profile on described end cap, position corresponding with profile on the body of described mutual inductor is provided with projection, and described end cap and body are fixed by the snapping of profile and projection; Described MCU processing and control module is with clock memory, and be connected with liquid crystal display respectively and be arranged on the operation push-button operating housing upper surface, described MCU processing and control module and connected clock memory, liquid crystal display and operation push-button are connected with power module respectively.
Utilize the above-mentioned line loss locating device stating low-voltage overhead line road to carry out a method for line loss location, the method for described line loss location is:
By installing mutual inductor on the line, gather line information, and information transmission is given the table meter be connected with mutual inductor, data are passed to Wireless Data Transmission Terminal by RS-485 communications protocol by MCU processing and control module in table meter again, pass through radio wave transmissions data by Wireless Data Transmission Terminal and carrier acquisition device;
Multiple observation point is set up in the centre in platform district, at the device that the installing low-voltage overhead line road segmentation line inspection of this position is damaged, this position is equivalent to carry out energy metering to circuit thereafter, table meter, by making a copy of with the subscriber's meter quantity calculation same period, draw a line loss electricity, this electricity of user is compared with the line loss electricity in whole district, if correlation degree is higher, then can assert that the line loss point in platform district is after this observation point, otherwise then front, continue determining to arrange observation point in section, by the accurate location of line loss point just can be determined after movement several times.
The utility model by the data of Real-time Collection, by user and overhead line structures relation, founding mathematical models, express-analysis line loss point produce position; Then measure is targetedly taked to process.
Shorten the time of searching, reduce the difficulty of searching, decrease the cost searched; There is structure simple, use simple to operate, can piecewise analysis be carried out to circuit easily and combinationally use, the features such as fast finding line loss trouble spot.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present utility model.
Fig. 2 is that circuit described in the utility model connects block diagram.
Fig. 3 is the segment lookup schematic diagram of the utility model line loss location.
Fig. 4 is the segment lookup schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: Fig. 1, shown in 2, the line loss locating device on a kind of low-voltage overhead line road described in the utility model, it mainly comprises: multiple mutual inductor 1 be electrically connected to each other, table meter 2, Wireless Data Transmission Terminal 3 and carrier acquisition device 4, described mutual inductor 1 to be hinged by hinge by body 5 and end cap 6 and to form, described table meter 2 comprises a main frame be made up of MCU processing and control module 11, operation housing 7, liquid crystal display 8 and binding post 9, described main frame is arranged on the inside of operation housing 7, described liquid crystal display 8 is fixed on operation housing 7 upper surface, described binding post 9 has two rows and is arranged symmetrically in the both sides up and down of operation housing 7 upper surface respectively, and the binding post 9 on described upper and lower both sides is connected with the main frame the corresponding interface in operation housing 7 respectively, described mutual inductor 1 is by wire 10 one arrange binding post 91 be connected corresponding to table meter 2, another row's binding post 92 of described table meter 2 is connected with Wireless Data Transmission Terminal 3, and carrying out data transmission by RS-485 communications protocol 12, described Wireless Data Transmission Terminal 3 and carrier acquisition device 4 are by radio wave transmissions data.
Mutual inductor 1 described in the utility model is a kind of open type mutual inductor be easily installed on circuit, current sample 13 and current sample 14 can be carried out, it is also fixed with profile on described end cap 6, on the body 5 of described mutual inductor 1, the position corresponding with profile is provided with projection, and described end cap 6 and body 5 are fixed by the snapping of profile and projection; Described MCU processing and control module 11 is with clock memory 15, and be connected with liquid crystal display 8 respectively and be arranged on the operation push-button 16 operating housing 7 upper surface, described MCU processing and control module 11 and the clock memory 15, liquid crystal display 8 and the operation push-button 16 that are connected are connected with power module 17 respectively.
Shown in Fig. 2, a kind of method utilizing the line loss locating device on described low-voltage overhead line road to carry out line loss location, the method for described line loss location is:
By installing mutual inductor on the line, gather line information, and information transmission is given the table meter be connected with mutual inductor, data are passed to Wireless Data Transmission Terminal by RS-485 communications protocol by table meter again, and Wireless Data Transmission Terminal and carrier acquisition device are by radio wave transmissions data;
Multiple observation point is set up in the centre in platform district, at the device that the installing low-voltage overhead line road segmentation line inspection of this position is damaged, this position is equivalent to carry out energy metering to circuit thereafter, table meter, by making a copy of with the subscriber's meter quantity calculation same period, draw a line loss electricity, this electricity of user is compared with the line loss electricity in whole district, if correlation degree is higher, then can assert that the line loss point in platform district is after this observation point, otherwise then front, continue determining to arrange observation point in section, by the accurate location of line loss point just can be determined after movement several times.
Embodiment: the device that the segmentation line inspection of a kind of low-voltage overhead line road is damaged, comprise the mutual inductor be electrically connected to each other, table meter, Wireless Data Transmission Terminal and carrier acquisition device, described mutual inductor comprises body and end cap, described body and end cap are hinged by hinge, described table meter comprises main frame, operation housing, display panels and binding post, described main frame is arranged on the inside of operation housing, described display panels is fixed on the middle part of the upper surface of operation housing, described binding post is two rows, be separately fixed at the both sides of operation housing upper surface, and the interface connection that binding post is corresponding to main frame respectively, described mutual inductor is connected to the corresponding binding post showing to count by wire, the corresponding binding post of described table meter is connected with Wireless Data Transmission Terminal, and carrying out data transmission by RS-485 communications protocol, described Wireless Data Transmission Terminal and carrier acquisition device are by radio wave transmissions data.
Preferably: the end cap of described mutual inductor is also fixed with profile, position corresponding with profile on the body of described mutual inductor is provided with projection, and described end cap and body are fixed by the snapping of profile and projection.As long as open type mutual inductor opens opening when mounted, size is equal with circuit wire diameter, and the snapping fixed form of profile and projection, installs, operation is easier.
In the middle of platform district, instrument is damaged in the installing segmentation line inspection, the metering of platform district is divided into two parts, namely before sectioning and after sectioning, the electricity that sectioning obtains is the summation of user's electricity after sectioning and loss electricity, by the comparison with the total electricity of platform Qu and loss electricity, determine that loss electricity is in segmentation limit or outside segmentation limit.
Shown in Fig. 2, as loss electricity drops on segmentation tool back segment, then can confirm that line loss point is at back segment, continues segmentation tool to move at back segment, analyze line loss electricity present position, progressively reduce the scope, until last line loss point emerges.
Look for mothers and sons Wei Xitai district line loss point the service condition that example illustrates segmentation tool below: in September, 2013, segmentation line inspection damage instrument is employed to the barren mothers and sons Wei Xitai district of long-term investigation and analyzes.
Shown in Fig. 3, the segmentation line inspection is installed in stuck point 1 position September 3 and has damaged instrument, obtained September 5 24 hours on the 4th metering electricity (with meter reader copy get morning on the 5th registration and morning on the 4th registration carrier freeze electricity) with fielded system platform district electricity (comprising terminal power and the total electricity of user) on the 4th, segmentation after user's electricity and, analysis result is as following table:
As seen from the above table: after submeter loss and the platform district line loss electricity degree of association higher, assert that line loss point is after segmentation tool installation site.Continue the position moving to stuck point 2.Obtain a day electricity as stated above, be analyzed as follows:
As seen from the above table: after submeter loss and the platform district line loss electricity degree of association higher, assert that line loss point is after segmentation tool installation site.And back segment user has only had 4 families, after to this section of user's surprise check, find that this user exists the situation of intermittent stealing, means are hidden, escape from and repeatedly check.The final utilization segmentation line inspection is damaged instrument quick position and is removed fault.Retrieve loss.
Claims (2)
1. the line loss locating device on a low-voltage overhead line road, it mainly comprises: multiple mutual inductor be electrically connected to each other, table meter, Wireless Data Transmission Terminal and carrier acquisition device, it is characterized in that described mutual inductor to be hinged by hinge by body and end cap to form, described table meter comprises a main frame be 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, described LCD device is fixed on operation housing upper surface, described binding post has two rows and is arranged symmetrically in the both sides up and down of operation housing upper surface respectively, 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 mutual inductor is counted corresponding one by wire and table and is arranged binding post and be connected, another row's binding post of described table meter is connected with Wireless Data Transmission Terminal, and carrying out data transmission by RS-485 communications protocol, described Wireless Data Transmission Terminal and carrier acquisition device are by radio wave transmissions data.
2. the line loss locating device on low-voltage overhead line road according to claim 1, it is characterized in that described mutual inductor is a kind of open type mutual inductor be easily installed on circuit, it is also fixed with profile on described end cap, position corresponding with profile on the body of described mutual inductor is provided with projection, and described end cap and body are fixed by the snapping of profile and projection; Described MCU processing and control module is with clock memory, and be connected with liquid crystal display respectively and be arranged on the operation push-button operating housing upper surface, described MCU processing and control module and connected clock memory, liquid crystal display and operation push-button are connected with power module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603065.0U CN204177909U (en) | 2014-10-17 | 2014-10-17 | A kind of line loss locating device of low-voltage overhead line road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420603065.0U CN204177909U (en) | 2014-10-17 | 2014-10-17 | A kind of line loss locating device of low-voltage overhead line road |
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| Publication Number | Publication Date |
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| CN204177909U true CN204177909U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420603065.0U Expired - Fee Related CN204177909U (en) | 2014-10-17 | 2014-10-17 | A kind of line loss locating device of low-voltage overhead line road |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360225A (en) * | 2014-10-17 | 2015-02-18 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
-
2014
- 2014-10-17 CN CN201420603065.0U patent/CN204177909U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360225A (en) * | 2014-10-17 | 2015-02-18 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
| CN104360225B (en) * | 2014-10-17 | 2017-02-15 | 国家电网公司 | Line loss positioning device and line loss positioning method for low-voltage overhead line |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20201017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |