CN205265001U - Digital power transmission line that connects of dynamic monitoring - Google Patents
Digital power transmission line that connects of dynamic monitoring Download PDFInfo
- Publication number
- CN205265001U CN205265001U CN201620009376.3U CN201620009376U CN205265001U CN 205265001 U CN205265001 U CN 205265001U CN 201620009376 U CN201620009376 U CN 201620009376U CN 205265001 U CN205265001 U CN 205265001U
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- branch
- transmission line
- electric current
- earth lead
- current tap
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Abstract
The utility model discloses a digital power transmission line that connects of dynamic monitoring, it includes the first earth conductor of branch, the earth conductor of second branch, it has the arc extinction switch to embed, the 3rd earth conductor, electric current tap, its input are coupled with the cross arm through first earth conductor of branch and the earth conductor of second branch respectively, and its output is coupled through the 3rd earth conductor and transmission line, and the electric current tap detects, first branch connects transmission line or second branch to connect the electric current among transmission line or the 3rd earth conductor, the receiver with electric current tap wireless communication, is received, the detection data of electric current tap and opening and close through, electric current tap remote control arc extinction switch. The utility model discloses earlier cutting off the first earth conductor of branch, controlling the electric current tap, make the electric current tap turn -off the arc extinction switch, close at the arc extinction switch and have no progeny, cut off switching on between the 3rd earth conductor and the transmission line, switching on between final cutting second earth conductor of branch and the cross arm can.
Description
Technical field
The utility model relates to power technology field, particularly a kind of dynamic monitoring numberWord formula connects power transmission line.
Background technology
For super extra-high voltage double back, many times cross-arms or with the long distance of many, corridor circuitParallel laying circuit, and super the less line in high-tension line scissors crossing point the air gapRoad, in the time that certain stoppage in transit circuit overhauls therein, because electromagnetic induction phenomenon is stopped transportCan there is larger induced voltage and induced-current in circuit, while articulating connection electric transmission line, can go outExisting arcing electric discharge, to connection electric transmission line, causes and burns.
In addition, in the time of high voltage device of transformer station interruption maintenance, often use and connect power transmission lineRoad prevents from being sent a telegram here suddenly by repair apparatus or induced electricity causes accident of human electric shock. ButBe, due to artificial mistakes factor, band connection electric transmission line combined floodgate accident easily occur again,How effectively to prevent from being with connection electric transmission line combined floodgate accident, be power industry for a long time notThe safe practice difficult problem that can solve.
Summary of the invention
The purpose of this utility model is overcome or slow down the part at least above-mentioned shortcoming,Hereby provide a kind of dynamic monitoring the digital power transmission line that connects, it comprises:
First branch's earth lead;
Second branch's earth lead, is built-in with crowbar switch;
The 3rd earth lead;
Electric current tap, its input is respectively by first branch's earth lead and secondBranch's earth lead and cross-arm couple, and its output is by the 3rd earth lead and transmission of electricityCircuit couples, and described electric current tap detects described first branch's connection electric transmission line orElectric current in two branch's connection electric transmission lines or the 3rd earth lead;
Receiver, with the wireless telecommunications of electric current tap, receives described electric current tapDetect data and by the keying of described electric current tap Long-distance Control crowbar switch.
Preferably, described first branch's earth lead is relative with second branch's earth leadOne end of cross-arm is equipped with hook, and described first branch's earth lead and the second branch connectGround wire is all hooked in cross-arm by hook.
Preferably, described electric current tap has wireless transmitter module, described receiverThere is the wireless receiving module mating with described wireless generation module, described wireless receivingModule is coupled with treatment circuit by interface circuit, and described treatment circuit is according to described electricityThe detection data of flow point joint are reported to the police and are passed through display digital display.
Preferably, described electric current tap comprises current sensor, signal processing circuitAnd display screen, described current sensor is according to described first branch's connection electric transmission line orElectric current output detection signal in two branch's connection electric transmission lines or the 3rd earth lead, instituteState detection signal and pass through display screen digital display after display circuit amplification, analog-to-digital conversion.
Preferably, the other end of the relatively described electric current tap of described the 3rd earth leadBe provided with binding post, described binding post and transmission line of electricity couple.
The utility model couples Liang Tiao branch earth lead on cross-arm, by electric current tapHead carries out gating by crowbar switch to Liang Tiao branch earth lead, cuts so at needsWhen the conducting of disconnected cross-arm and transmission line of electricity, first cut off first branch's earth lead, then byReceiver is controlled electric current tap, makes electric current tap turn-off crowbar switch,Close and have no progeny in crowbar switch, cut off the conducting between the 3rd earth lead and transmission line of electricity,Conducting between final cutting second branch's earth lead and cross-arm.
Brief description of the drawings
Now with reference to appended accompanying drawing describe in further detail of the present utility model theseAnd other side, it is depicted as currently preferred embodiment of the present utility model. Wherein:
Fig. 1 is the installation diagram of the present embodiment;
Fig. 2 is the structure chart of this enforcement.
In figure: 1, cross-arm; 2, transmission line of electricity; 21, crowbar switch; 3, dynamically superviseSurvey digital connection electric transmission line; 31, first branch's earth lead; 311, hook; 32,Second branch's earth lead; 322, hook; 33, the 3rd earth lead; 331, connectLine terminals.
Detailed description of the invention
Below in conjunction with accompanying drawing and instantiation, further illustrate the utility model, Ying LiSeparate these embodiment and be only not used in restriction the utility model for the utility model is describedScope, after having read the utility model, those skilled in the art are to this practicalityThe amendment of the novel various equivalent form of values all falls within the application's claims and limitsScope.
As shown in Figure 1, the digital connection electric transmission line 3 of the dynamic monitoring of the present embodimentComprise first branch's earth lead 31, one end is provided with hook 311; Second branch's ground connectionWire 32, one end is provided with hook 322 and is built-in with crowbar switch 21; The 3rd ground connection is ledLine 33, one end is provided with binding post 331; Electric current tap, has two inputs,Couple with first branch's earth lead 31 and second branch's earth lead 32 respectively; ToolThere is an output, couple with the 3rd earth lead 33. Electric current tap is built-in simultaneouslyThere are Bluetooth transmission module, current sensor, signal processing circuit and display screen, electricityFlow sensor, according to the electric current output detection signal of flowing through in the 3rd earth lead 33, is believedNumber treatment circuit mainly by its inner amplifier and analog-digital converter to detection signalAmplify and analog-to-digital conversion, pass through on the one hand through amplification and analog-to-digital signalDisplay screen shows, exports connecing of far-end on the other hand by Bluetooth transmission moduleReceive device.
As described in Figure 2, receiver has bluetooth receiver module, single-chip microcomputer and display,Bluetooth receiver module receives the detection data of the transmission of Bluetooth transmission module, and by connecingMouth circuit will detect data communication to single-chip microcomputer, and single-chip microcomputer is pre-by its internal registerIf threshold data, single-chip microcomputer comparison threshold data and detection data, judgement detects dataWhether transfinite. Single-chip microcomputer is coupled with buzzer and LED, in the 3rd earth lead 33Electric current transfinite after, Single-chip Controlling buzzer and LED carry out sound and light alarm.
Meanwhile, electric current tap can be controlled the keying of crowbar switch 21,So that automatically cut off the circuit of second branch's earth lead 32, realize automatic arc extinguishing;Certainly, crowbar switch 21 can also possess hand switch, is convenient to manual extinguishing arc operation.
First branch's earth lead 31 of the present embodiment and second branch's earth lead 32All, by hook (311,322), be hooked on cross-arm 1, facilitate staff in time,Take off quickly first branch's earth lead 31 and second branch's earth lead 32, andThe 3rd 33 of earth leads are connected with transmission line of electricity 2 by binding post 331, realizeFor a long time, firm fixing.
According to said structure design, the dismounting step of the present embodiment is as follows:
1, installation steps (determining that crowbar switch 21 is after disconnecting)
(1) second branch's earth lead 32 is connected with cross-arm 1;
(2) the 3rd earth lead 33 is connected with transmission line of electricity 2;
(3) closed crowbar switch 21 manually or automatically;
(4) first branch's earth lead 31 is connected with cross-arm 1.
2, demounting procedure
(1) disconnection that is connected with cross-arm 1 by first branch's earth lead 31;
(2) disconnection crowbar switch 21 manually or automatically;
(3) disconnection that is connected with transmission line of electricity 2 by the 3rd earth lead 33;
(4) disconnection that is connected with cross-arm 1 by second branch's earth lead 32.
The content not being described in detail in this description belongs to professional and technical personnel in the fieldKnown prior art.
Claims (5)
1. the digital power transmission line that connects of dynamic monitoring, is characterized in that comprising:
First branch's earth lead;
Second branch's earth lead, is built-in with crowbar switch;
The 3rd earth lead;
Electric current tap, its input is respectively by first branch's earth lead and secondBranch's earth lead and cross-arm couple, and its output is by the 3rd earth lead and transmission of electricityCircuit couples, and described electric current tap detects described first branch's connection electric transmission line orElectric current in two branch's connection electric transmission lines or the 3rd earth lead;
Receiver, with the wireless telecommunications of electric current tap, receives described electric current tapDetect data and by the keying of described electric current tap Long-distance Control crowbar switch.
2. the digital power transmission line that connects of dynamic monitoring according to claim 1, its spyLevy and be, described first branch's earth lead and the relative cross-arm of second branch's earth leadOne end be equipped with hook, described first branch's earth lead and second branch's ground connection are ledLine is all hooked in cross-arm by hook.
3. the digital power transmission line that connects of dynamic monitoring according to claim 1, its spyLevy and be, described electric current tap has wireless transmitter module, and described receiver hasWith the wireless receiving module that described wireless generation module is mated, described wireless receiving moduleBe coupled with treatment circuit by interface circuit, described treatment circuit divides according to described electric currentThe detection data of joint are reported to the police and are passed through display digital display.
4. the digital power transmission line that connects of dynamic monitoring according to claim 1, its spyLevy and be, described electric current tap comprises current sensor, signal processing circuit and aobviousShow screen, described current sensor is according to described first branch's connection electric transmission line or second pointProp up the electric current output detection signal in connection electric transmission line or the 3rd earth lead, described inspectionSurvey signal and pass through display screen digital display after display circuit amplification, analog-to-digital conversion.
5. the digital power transmission line that connects of dynamic monitoring according to claim 1, its spyLevy and be, the other end of the relatively described electric current tap of described the 3rd earth lead is provided withBinding post, described binding post and transmission line of electricity couple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009376.3U CN205265001U (en) | 2016-01-07 | 2016-01-07 | Digital power transmission line that connects of dynamic monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009376.3U CN205265001U (en) | 2016-01-07 | 2016-01-07 | Digital power transmission line that connects of dynamic monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265001U true CN205265001U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620009376.3U Active CN205265001U (en) | 2016-01-07 | 2016-01-07 | Digital power transmission line that connects of dynamic monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405166A (en) * | 2016-10-28 | 2017-02-15 | 国网浙江省电力公司金华供电公司 | Ground line of display device with current |
-
2016
- 2016-01-07 CN CN201620009376.3U patent/CN205265001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405166A (en) * | 2016-10-28 | 2017-02-15 | 国网浙江省电力公司金华供电公司 | Ground line of display device with current |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |