CN2438131Y - Line fault indicator - Google Patents
Line fault indicator Download PDFInfo
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- CN2438131Y CN2438131Y CN 00208589 CN00208589U CN2438131Y CN 2438131 Y CN2438131 Y CN 2438131Y CN 00208589 CN00208589 CN 00208589 CN 00208589 U CN00208589 U CN 00208589U CN 2438131 Y CN2438131 Y CN 2438131Y
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Abstract
The utility model relates to a line fault indicator. The lower part of a housing is provided with a base, the middle part of the housing is provided with a magnetic pole and an electronic circuit board, and the upper part of the housing is provided with a mutual inductor; the lower part of the base is sheathed with a cover, an indicating rotating wheel and a magnetic ring are arranged between the base and the cover, the housing is made of transparent materials and can observe the indicating rotating wheel, the mutal inductor acquires line current signals and converts the line current signals into voltage signals which are used for magnetism charge for the magnetic pole, and the magnetic pole attracts the magnetic ring to make the indicating rotating wheel display a fault state or a normal state. The utility model is suitable for aerial lines, power cable lines and switch cabinet order, the voltage of lines are 35KV or below, and when the line generates a short circuit accident, the utility model can display the fault state of the line.
Description
The utility model relates to a kind of line fault testing device, refers in particular to a kind of line-failure indicator.
Behind the line failure,, just can only take the segmentation combined floodgate to search the backward practice of fault section and blindness line walking if there is not online pick-up unit.If need not this backward practice, advanced failure detector will be arranged.Chinese patent discloses a kind of " line breakdown detecting instrument " (ZL91211885 stops), and it is applicable to the detection that unexposed line breaks down." a kind of detection alarm device of line fault " (ZL91221609 stops), it is applicable to the fault localization of short power circuit and the burglar alarm of low voltage electric network." line fault autoalarm " (ZL93224906 stops), it is made up of power supply, bias current loop, DC operation loop, alarm loop etc., can cooperate Other Instruments to quote the particular location of fault in 3 minutes." differentiate the device of transmission line fault direction " (ZL97243102), by casing, compositor, memory, subtraction device, multiplier, overcurrent relay or door, electronic switch, reference integrator, phase inverter, comparer, the time relay, constitute, be applicable to and differentiate the not direct fault direction of the single-phase earthing of ground connection transmission system, generator single-phase earthing etc. of ultra-high-tension power transmission line, neutral point with door etc.Above-mentioned device respectively has relative merits, and practicality is all undesirable.
The purpose of this utility model is to provide a kind of line-failure indicator, and it is applicable to 35KV and following overhead transmission line, power cable line and switch cubicle busbar, when certain circuit is short-circuited, just indicates the malfunction of this circuit.
For achieving the above object, the solution that the utility model is taked is: a kind of line-failure indicator, one shell underlying pedestal, mid-magnetic pole and electronic circuit board, on put mutual inductor, the pedestal cover of trapping, one indication runner and magnet ring arranged between pedestal and the cover, shell is made by transparent material can observe the indication runner, and mutual inductor obtains line current signal and is converted into voltage signal and magnetizes to magnetic pole through electronic circuit board, and the poles attract magnet ring makes the indication runner show malfunction or normal condition.
The utility model is installed on 35KV and following overhead transmission line, power cable junction and the switch cubicle busbar, under certain line failure situation, when being short circuit, the electric current present spiking is converted into the peak voltage signal through mutual inductor, after electronic circuit board obtains spiking, the output pulse current is given magnetic pole, magnetic pole is magnetized, and the poles attract magnet ring makes the indication runner rotate the demonstration malfunction.After line fault is got rid of, circuit restores electricity, mutual inductor is output as burning voltage, delay time through electronic circuit board, what supply with magnetic pole is the pulse current of opposite polarity during with malfunction, magnetic pole is oppositely magnetized, and the poles attract magnet ring makes the indication runner get back to normal condition, and the indication runner shows normal condition.Behind the line failure, show malfunction from the action of the line-failure indicator between trouble spot to the transformer station, the track walker can conclude that the trouble spot occurs on this branch line, and the line-failure indicator on other trouble-free branched line then can not move, still show normal condition.This has abandoned the backward practice that blindness line walking, segmentation in the past closed a floodgate and searched fault section, has not only reduced the power failure scope but also shortened power off time, thereby improved the reliability of power supply.
Below in conjunction with embodiment and accompanying drawing thereof the beneficial effect of the utility model and generation thereof is remake description.
Accompanying drawing 1 is the front view of present embodiment.
Accompanying drawing 2 is main pseudosections of present embodiment.
Accompanying drawing 3 is left pseudosections of present embodiment.
Accompanying drawing 4 is application synoptic diagram of present embodiment.
Accompanying drawing 5 is electrical schematic diagrams of present embodiment.
In accompanying drawing 1～3,1-shell, 2-mutual inductor, 3-are worn axle supporting, 4-bearing pin, 5-line ball spring, 6-pressure hook spring, 7-hook, 8-supporting, 9-clamp, the 10-pedestal, 11-electronic circuit board, 12-screw, 13-double-screw bolt and nut, 14-screw, the 15-mutual inductor coil, 16-screw, 17-magnetic pole, 18-pole coil, the 19-pole core, 20-indicates runner, 21-cover, 22-luminotron, the 23-magnet ring, 24-head bearing, 25-runner shaft, 26-lower bearing.
In accompanying drawing 4, BD-transformer station, the ZC-line-failure indicator shows normal condition, the GZ-line-failure indicator shows malfunction.
Shown in accompanying drawing 1～3, a kind of line-failure indicator, one shell (1) underlying pedestal (10), mid-magnetic pole (17) and electronic circuit board (11), on put mutual inductor (2), pedestal (10) trap one the cover (21), one indication runner (20) and magnet ring (23) arranged between pedestal (10) and the cover (21), shell (1) is made by transparent material can observe indication runner (20), mutual inductor (2) obtains line current signal and is converted into voltage signal and magnetizes for magnetic pole (17) through electronic circuit board (11), and magnetic pole (17) attracts magnet ring (23) to make indication runner (20) show malfunction or normal condition.
As shown in Figure 4, behind the line failure, show malfunction GZ from line-failure indicator 1#, 2# between the BD of trouble spot to transformer station, 3#, 6# action back indication runner, the track walker can conclude the trouble spot on the later branch line of 6#, and line-failure indicator 4#, the 5# of other non-failure conditions, 7#, 8#, 9#, 10# then show normal condition ZC.
In the present embodiment, have three breach is window the branches such as cylinder of cover (21), correspondingly indicate the branch ground such as cylinder outer surface of runner (20) alternate be coated with three whites and three redness or five equilibrium have three breach and the crucial point outside surface is coated with redness, indication runner (20) is shown as white at window when being in normal condition, and indication runner (20) is shown in red at window when being in malfunction.
Shown in accompanying drawing 1～2, wearing axle supporting (3) and supporting and use fixedly mutual inductor coil (15) of double-screw bolt and nut (13) between (8), wearing axle supporting (3) upward with bearing pin (4) pinning hook (7), wearing axle supporting (3), hook (7), supporting (8), double-screw bolt and nut (13) formation one closed-loop path becomes described mutual inductor (2) iron core, is combined into described mutual inductor (2).Be wound with pressure hook spring (6) in the middle of the bearing pin (4), make the hook (7) can opening and closing like this; Be wound with line ball spring (5) on bearing pin (4) both sides; During the hookup wire line fault indicator, can draw hook (7) to open mouthful entry-line and also push down with line ball spring (5), make hook (7) closure under pressure hook spring (6) effect, line-failure indicator hangs on the circuit, installs very convenient; Wearing between axle supporting (3) and the supporting (8), an insulated clip (9) is arranged on mutual inductor coil (15), fixing with screw (14); Insulated clip (9) surface is covered with the breast nail, and clamp can be avoided sliding on the line later.Using screw (12,16) that pedestal (10) is fixed on respectively wears in axle supporting (3) and the supporting (8).
As shown in Figure 3, magnetic pole (17) is made of pole coil (18) and pole core (19), and pole core (19) is inverted U-shaped, and pole core (19) two ends are inserted in pedestal (10) lining.
As shown in Figure 3, pedestal (10) is put head bearing (24) in the center down, and cover (21) is gone up the center and deposited bearing (26), and runner shaft (25) passes indication runner (20) and magnet ring (23) places head bearing (24) and lower bearing (26) respectively.
As shown in Figure 2, from electronic circuit board (11), also draw a luminotron (22); Line fault, luminotron (22) flash of light; Circuit is normal, and luminotron (22) does not work; This is particularly conducive to the night observation line-failure indicator, because be difficult to see the redness on the indication runner daytime at a distance.
As shown in Figure 5, the following formation of circuit on the electronic circuit board (11): mutual inductor B ↓ (2) output terminal and battery E ↓ anode series capacitance C1 ↓, diode D2 ↓ and D3 ↓, capacitor C 1 ↓ and diode D2 ↓ between parallel diode D1 ↓, diode D2 ↓ and D3 between shunt capacitance C2 ↓ and stabilivolt D4 ↓, circuit is to battery E ↓ charging under the normal condition, battery E under the line short failure condition ↓ to circuit supply; Positive terminating diode D5 ↓ oppositely, resistance R 4 ↓, integrated circuit N2-1 ↓ D end, integrated circuit N2-2 ↓ D end, adjustable resistance RP ↓, pole coil LX ↓ (18), reflective tube D20 ↓ (22); Mutual inductor B ↓ (2) output terminal also connect bridge heap BR ↓, bridge heap BR ↓ output termination capacitor C 3 ↓, connect capacitor C 4 ↓, capacitor C 4 ↓ other end connecting resistance R1 ↓ to negative terminal, diode D5 ↓, diode D6 ↓ oppositely to negative terminal, digital circuit III ↓, IV ↓ to integrated circuit N2-2 ↓ the CP end, the digital circuit III ↓, IV ↓ a two ends resistance R 5 in parallel ↓; Stabilivolt D4 ↓ go back connecting resistance R3 ↓ to negative terminal, resistance R 2 ↓, digital circuit I N4 ↓; Digital circuit I N4 ↓ connect digital circuit II ↓ to integrated circuit N3-1 ↓ D end, connect integrated circuit N1 ↓ CR end; Crystal oscillator T in parallel between integrated circuit N1 ↓ CP1 and the CP2 end ↓, CP1 termination capacitor C5 ↓, CP2 termination capacitor C6 ↓, capacitor C 5 ↓ and capacitor C 6 ↓ between connect negative terminal; Integrated circuit N1 ↓ Q1～Q14 end connect respectively diode D7 ↓～D17 ↓ to resistance R 4 ↓ and integrated circuit N2-1 ↓ CP end; Integrated circuit N2-1 ↓ S termination negative terminal, R terminating resistor R15 ↓ to negative terminal, connect capacitor C 8 ↓ to integrated circuit N3-1 ↓ Q end, Q termination capacitor C9 ↓ to integrated circuit N3-1 ↓ S end, to resistance R 7 ↓ to negative terminal, to integrated circuit N2-2 ↓ R end, connecting resistance R9 ↓ to triode D21 ↓ base stage, Q termination digital circuit V ↓ to diode D17 ↓ to resistance R 10 ↓, to resistance R 8 ↓ to negative terminal, diode D18 ↓ oppositely; Integrated circuit N2-2 ↓ S termination negative terminal, Q terminating resistor R6 ↓ to capacitor C 7 ↓ connect negative terminal, to the digital circuit III ↓, II ↓, integrated circuit N3-1 ↓ CP end; Integrated circuit N3-1 ↓ R termination negative terminal; Triode D21 ↓ emitter connects pole coil LX ↓ (18), collector connecting resistance R11 ↓ to negative terminal; Adjustable resistance RP ↓ another termination photoresistance MG ↓ to negative terminal, connect the digital circuit VI ↓ to diode D18 ↓; Resistance R 10 ↓ another termination capacitor C 10 ↓ to negative terminal, and be parallel with between triode D22 ↓ base stage resistance R 12 ↓, diode D19 ↓ and resistance R 13 ↓, digital circuit I N5 ↓, triode D22 ↓ collector sending and receiving light pipe D20 ↓ (22), emitter connecting resistance R14 ↓ to negative terminal.
In sum, therefore the utility model has following characteristic of property owing to take above-mentioned Technical Solving:
1, indicating fault: when normally moving, window is white displays; Be short-circuited when namely tripping window Mouth is red display, luminous tube (22) flash of light;
2, on-line operation: be directly installed on the overhead transmission line, on the busbar of cable connector place and switch cubicle, Non-maintaining;
3, automatically reset: when circuit restored electricity, (time could for the line-failure indicator automatic time delay Adjust) reset;
4, charged loading and unloading: can charged installation or removal not influence normal operation.
And the utility model applied range:
1, is installed in the exit of transformer station's circuit, the interior or outer fault in station in indication station.
2, be installed in the top and the bifurcation of basic routing line, the direction of indication line fault.
3, be installed in overhead transmission line and cable junction, indication fault section.
4, be installed on the busbar of high-tension switch cabinet the indication fault direction.
5, be installed in the high pressure point of incoming cables of user's substation transformer, indication line fault or user's fault.
Claims (10)
1, a kind of line-failure indicator, it is characterized in that: a shell (1) underlying pedestal (10), mid-magnetic pole (17) and electronic circuit board (11), on put mutual inductor (2), pedestal (10) trap one the cover (21), one indication runner (20) and magnet ring (23) arranged between pedestal (10) and the cover (21), described shell (1) is made by transparent material can observe indication runner (20), mutual inductor (2) obtains line current signal and is converted into voltage signal and magnetizes for magnetic pole (17) through electronic circuit board (11), and magnetic pole (17) attracts magnet ring (23) to make indication runner (20) show malfunction or normal condition.
2, a kind of line-failure indicator according to claim 1, it is characterized in that: have three breach is window the branches such as cylinder of cover (21), correspondingly indicate the branch ground such as cylinder outer surface of runner (20) alternate be coated with three whites and three redness or five equilibrium have three breach and the crucial point outside surface is coated with redness, indication runner (20) is shown as white at window when being in normal condition, and indication runner (20) is shown in red at window when being in malfunction.
3, a kind of line-failure indicator according to claim 1, it is characterized in that: wearing axle supporting (3) and supporting and use fixedly mutual inductor coil (15) of double-screw bolt and nut (13) between (8), wearing axle supporting (3) upward with bearing pin (4) pinning hook (7), wearing axle supporting (3), hook (7), supporting (8), double-screw bolt and nut (13) formation one closed-loop path becomes described mutual inductor (2) iron core, is combined into described mutual inductor (2).
4, a kind of line-failure indicator according to claim 3 is characterized in that: be wound with pressure hook spring (6) in the middle of bearing pin (4), be wound with line ball spring (5) on bearing pin (4) both sides.
5, a kind of line-failure indicator according to claim 3, it is characterized in that: wearing between axle supporting (3) and the supporting (8), one insulated clip (9) is arranged on mutual inductor coil (15), and fixing with screw (14), insulated clip (9) surface is covered with the breast nail.
6, according to claim 1 or 3 described a kind of line-failure indicators, it is characterized in that: use screw (12,16) that pedestal (10) is fixed on respectively and wear in axle supporting (3) and the supporting (8).
7, a kind of line-failure indicator according to claim 1 is characterized in that: magnetic pole (17) is made of pole coil (18) and pole core (19), and pole core (19) is inverted U-shaped, and pole core (19) two ends are inserted in pedestal (10) lining.
8, a kind of line-failure indicator according to claim 1 and 2, it is characterized in that: pedestal (10) is put head bearing (24) in the center down, cover (21) is gone up the center and is deposited bearing (26), and runner shaft (25) passes indication runner (20) and magnet ring (23) places head bearing (24) and lower bearing (26) respectively.
9, a kind of line-failure indicator according to claim 1 is characterized in that: also draw a luminotron (22) from electronic circuit board (11); Line fault, luminotron (22) flash of light; Circuit is normal, and luminotron (22) does not work.
10, according to claim 1 or 9 described a kind of line-failure indicators, it is characterized in that: the following formation of circuit on the electronic circuit board (11): mutual inductor B ↓ (2) output terminal and battery E ↓ anode series capacitance C1 ↓, diode D2 ↓ and D3 ↓, capacitor C 1 ↓ and diode D2 ↓ between parallel diode D1 ↓, diode D2 ↓ and D3 between shunt capacitance C2 ↓ and stabilivolt D4 ↓; Positive terminating diode D5 ↓ oppositely, resistance R 4 ↓, integrated circuit N2-1 ↓ D end, integrated circuit N2-2 ↓ D end, adjustable resistance RP ↓, pole coil LX ↓ (18), reflective tube D20 ↓ (22); Mutual inductor B ↓ (2) output terminal also connect bridge heap BR ↓, bridge heap BR ↓ output termination capacitor C 3 ↓, connect capacitor C 4 ↓, capacitor C 4 ↓ other end connecting resistance R1 ↓ to negative terminal, diode D5 ↓, diode D6 ↓ oppositely to negative terminal, digital circuit III ↓, IV ↓ to integrated circuit N2-2 ↓ the CP end, the digital circuit III ↓, IV ↓ a two ends resistance R 5 in parallel ↓; Stabilivolt D4 ↓ go back connecting resistance R3 ↓ to negative terminal, resistance R 2 ↓, digital circuit I N4 ↓; Digital circuit I N4 ↓ connect digital circuit II ↓ to integrated circuit N3-1 ↓ D end, connect integrated circuit N1 ↓ CR end; Crystal oscillator T in parallel between integrated circuit N1 ↓ CP1 and the CP2 end ↓, CP1 termination capacitor C5 ↓, CP2 termination capacitor C6 ↓, capacitor C 5 ↓ and capacitor C 6 ↓ between connect negative terminal; Integrated circuit N1 ↓ Q1～Q14 end connect respectively diode D7 ↓～D17 ↓ to resistance R 4 ↓ and integrated circuit N2-1 ↓ CP end; Integrated circuit N2-1 ↓ S termination negative terminal, R terminating resistor R15 ↓ to negative terminal, connect capacitor C 8 ↓ to integrated circuit N3-1 ↓ Q end, Q termination capacitor C9 ↓ to integrated circuit N3-1 ↓ S end, to resistance R 7 ↓ to negative terminal, to integrated circuit N2-2 ↓ R end, connecting resistance R9 ↓ to triode D21 ↓ base stage, Q termination digital circuit V ↓ to diode D17 ↓ to resistance R 10 ↓, to resistance R 8 ↓ to negative terminal, diode D18 ↓ oppositely; Integrated circuit N2-2 ↓ S termination negative terminal, Q terminating resistor R6 ↓ to capacitor C 7 ↓ connect negative terminal, to the digital circuit III ↓, II ↓, integrated circuit N3-1 ↓ CP end; Integrated circuit N3-1 ↓ R termination negative terminal; Triode D21 ↓ emitter connects pole coil LX ↓ (18), collector connecting resistance R11 ↓ to negative terminal; Adjustable resistance RP ↓ another termination photoresistance MG ↓ to negative terminal, connect the digital circuit VI ↓ to diode D18 ↓; Resistance R 10 ↓ another termination capacitor C 10 ↓ to negative terminal, and be parallel with between triode D22 ↓ base stage resistance R 12 ↓, diode D19 ↓ and resistance R 13 ↓, digital circuit I N5 ↓; Triode D22 ↓ collector sending and receiving light pipe D20 ↓ (22), emitter connecting resistance R14 ↓ to negative terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208589 CN2438131Y (en) | 2000-04-23 | 2000-04-23 | Line fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208589 CN2438131Y (en) | 2000-04-23 | 2000-04-23 | Line fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2438131Y true CN2438131Y (en) | 2001-07-04 |
Family
ID=33575925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00208589 Expired - Fee Related CN2438131Y (en) | 2000-04-23 | 2000-04-23 | Line fault indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2438131Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600596B (en) * | 2007-02-06 | 2012-03-21 | 西门子公司 | Device for recognising a mechanical defect in a wire of an overhead line |
| CN102901909A (en) * | 2012-10-10 | 2013-01-30 | 广东北江开关厂有限公司 | Fault indicator for distribution line |
| CN104931854A (en) * | 2015-06-09 | 2015-09-23 | 天津智联恒信电力设备股份有限公司 | Power transmission circuit fault indication device |
| CN110579687A (en) * | 2019-09-20 | 2019-12-17 | 陆红阳 | Safety fault indicator for distribution network automation |
-
2000
- 2000-04-23 CN CN 00208589 patent/CN2438131Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600596B (en) * | 2007-02-06 | 2012-03-21 | 西门子公司 | Device for recognising a mechanical defect in a wire of an overhead line |
| CN102901909A (en) * | 2012-10-10 | 2013-01-30 | 广东北江开关厂有限公司 | Fault indicator for distribution line |
| CN102901909B (en) * | 2012-10-10 | 2015-11-18 | 广东北江开关厂有限公司 | A kind of fault detector of distribution line |
| CN104931854A (en) * | 2015-06-09 | 2015-09-23 | 天津智联恒信电力设备股份有限公司 | Power transmission circuit fault indication device |
| CN110579687A (en) * | 2019-09-20 | 2019-12-17 | 陆红阳 | Safety fault indicator for distribution network automation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |