CN107329050A - A kind of circuitry fault detection method, detection means and detecting system - Google Patents
A kind of circuitry fault detection method, detection means and detecting system Download PDFInfo
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- CN107329050A CN107329050A CN201710720930.8A CN201710720930A CN107329050A CN 107329050 A CN107329050 A CN 107329050A CN 201710720930 A CN201710720930 A CN 201710720930A CN 107329050 A CN107329050 A CN 107329050A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A kind of circuitry fault detection method：By signal generator simultaneously or successively to the test point input detection signal on power-off fault power circuit, the electric characteristic of the test point both sides is detected, according to the difference of both sides electric characteristic, failure judgement scope is in certain side of the test point.A kind of detection means：Signaling module including detection module and with signal generator, signal generator will detect that signal simultaneously or successively inputs the test point of power-off fault power circuit, detection module detects that failure judgement scope is in certain side of the test point to the electric characteristic of test point both sides；A kind of detecting system, the detecting system is by signal generator to the input detection signal of power-off fault power circuit, and the value of detection is sent to main website, main website and each detection module, constitutes SCADA system by multiple detection modules on circuit.Using the method for the present invention, apparatus and system, the trouble point of circuit can be quickly searched, upkeep operation risk is reduced.
Description
Technical field
The present invention relates to the technical field of wireline inspection, filled more particularly, to a kind of circuitry fault detection method, detection
Put and detecting system.
Background technology
When power circuit breaks down, conventional method is：The block switch and branch wiretap of open-circuit line, then make
Segmentation detection is carried out to circuit with Insulation Resistance Tester table；When sectionalized line is longer or this section of circuit is not switched, need
Untie wire reverse interface and carry out segmentation detection, so that failure judgement scope.Sometimes even need to untie wire at multiple
Reverse interface detected, could the localization of faults.When searching high-voltage line fault, staff will also step on bar operation, untie
The wire jumper of resistance to dress bar.
Above-mentioned circuitry fault detection method detecting step is cumbersome, and detection time is long, and detection efficiency is low, it is impossible to quick to search event
Barrier point；When staff steps on bar operation, operating risk is added.
The content of the invention
The technical problems to be solved by the invention are that at least one shortcoming for overcoming above-mentioned prior art is detected there is provided one kind
Step is simple, and efficiency is higher, and the detection method influenceed on block supply, detection means and detection system can be reduced to greatest extent
System.
In order to solve the above technical problems, technical scheme is as follows：
A kind of circuitry fault detection method, by signal generator (1) to the test point on power-off fault power circuit
(2) input detection signal, detects the electric characteristic of test point (2) both sides, according to the difference of both sides electric characteristic or by right
Both sides electric characteristic carries out computing, and failure judgement scope is in certain side of the test point (2).
Preferably, by signal generator (1) to test point (2) the input detection letter on power-off fault power circuit
Number, while the electric characteristic of test point (2) both sides is detected, according to the difference of both sides electric characteristic or by the electric spy in both sides
Carry out computing is levied, failure judgement scope is in certain side of the test point (2).
Preferably, the computing be to the voltage or electric current or resistance of both sides or impedance or oscillogram or frequency or sound wave its
Any combination carries out algebraic operation or comparison operation, or has both carried out algebraic operation or be compared computing.Sound wave is preferably ultrasound
Ripple.
Preferably, the power circuit is bare conductor, insulated conductor or multicore cable.The power circuit is bare conductor
When, the detection signal is by directly contacting injection with test point；When the power circuit is insulated conductor or multicore cable, its
Surface is insulating barrier, and the detection signal produces detection signal by alternating electromagnetic field inductive coupling and inputs test point.
When power circuit is insulated conductor or multicore cable, preferred forms are to choose its terminal (or reverse interface
Place) it is used as signal input point.
Preferably, simultaneously or sequentially multiple test points can be detected.
Preferably, the detection signal is any one in AC signal, direct current signal, pulse signal, alien frequencies signal
Or any a variety of combination.
Preferably, the electric characteristic be voltage, electric current, resistance, impedance, waveform, frequency, sound wave in any one or
Any a variety of combination.Sound wave is preferably ultrasonic wave.
A kind of line fault testing device, including detection module (3) and the signaling module with signal generator (1)
(16), signaling module (16) side is detection module (3).Signal generator (1) can be wholely set with signaling module (16), also may be used
It is provided separately.
Preferably, the signaling module (16) includes the first signaling module (101) and secondary signal module (102), first
Signaling module (101) and secondary signal module (102) are located at detection module (3) both sides.First signaling module and secondary signal mould
Block is to the successively input detection signal of the test point on faulty power circuit, and detection module is successively electrically special to test point both sides
Levy and detected.
Preferably, first signaling module (101) and secondary signal module (102) are electrically connected with handover module (4), cut
Mold changing block (4) is used to switch detection signal between the first signaling module (101) and secondary signal module (102).
Preferably, the detection module (3) includes first detection module (301) and the second detection module (302), the first inspection
Survey module (301) and the second detection module (302) is located at the both sides of signaling module (16).Signal generator is to faulty electric power
Test point input detection signal on circuit, first detection module and the second detection module are simultaneously to test point both sides electric characteristic
Detected.
The signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection module (3) or
First detection module (301) or the second detection module (302) are annular.It is caught in round conductor better.
As shown in figure 3, described device is installed on action bars (10).
The signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection module (3) or
The opening (11) of first detection module (301) or the second detection module (302) is located at the side of action bars (10) radial direction.
Preferably, described device also includes indicator (5)；Indicator (5) be sound or light or display in any one or
Any a variety of combination.The effect of indicator is to inform staff's failure in certain side of test point.
Preferably, described device also includes electroscope (6).Electroscope is used to verify whether power circuit is powered, power line
Road could be detected when not charged to it.
Preferably, the signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection mould
Block (3) or first detection module (301) or the second detection module (302) are annular.
Preferably, the detection module (3) or first detection module (301) or the second detection module (302) are pincerlike electricity
Flow table.
Preferably, the value of the clamp on amperemeter detection is directly exported；Or after two clamp on amperemeter output end series connection again
Output valve.Equivalent to the two clamp on amperemeter detected values of value exported again after two clamp on amperemeter output end series connection do subtraction,
The output valve can be directly used for judging whether power circuit is faulty, and failure judgement is in the which side of test point.
Preferably, the signaling module (16) or the first signaling module (101) or secondary signal module (102) and power line
Road contact portion is conductor (8).Detection signal is directly injected into wire by conductor (8).
Preferably, the conductor (8) is provided with protuberance (801) by power line trackside.Can fully contact wire, connect with wire
Touch good.
Preferably, the protuberance (801) is located at the clamp side of clamp on amperemeter, and is arranged along clamp.Protuberance
All directions can fully contact wire, it is good with conductive contact.
Preferably, the protuberance (801) is annular.It is caught in round conductor better.
Preferably, the jaw of the clamp on amperemeter is annular.It is caught in round conductor better.
Preferably, the protuberance (801) and the clamp of clamp on amperemeter have same hinge (9).Both open simultaneously
And closing, it is easy to operate.
Preferably, the internal diameter of the protuberance (801) is less than the internal diameter of clamp on amperemeter jaw.Protuberance in all directions all
Energy fully contact wire, it is good with conductive contact.
Preferably, described device is installed on action bars (10).
Preferably, the signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection mould
The opening (11) of block (3) or first detection module (301) or the second detection module (302) is located at the side of action bars (10) radial direction
Side.
Preferably, the signal generator (1) is installed on action bars (10).Staff lifts circuit by action bars
Failure detector, is easy to hang over line fault testing device on faulty power circuit, the releasable both hands of staff
Carry out other operations.
Preferably, the protruding parts are in action bars radial direction upper end.
Preferably, the action bars (10) is connected with strut (12).
Preferably, the action bars (10) or strut (12) are telescopic.Telescopic action bars and strut is easy to circuit
Failure detector is used on the power circuit of different height, and device volume reduces, and is operated dexterousr.If circuit is liftoff
Face is very high, device can be hung on the line with unmanned plane.
Preferably, the signal generator (1) is also electrically connected with horizontal drop bar (7), one end of horizontal drop bar (7) with
Signal generator (1) is electrically connected, and the other end is overlapped on the hardware of shaft tower and line hardware (18).And clamp, it is ensured that letter
The working earthing of number generator is good.Following factor, it can be ensured that the working earthing of signal generator is good：There is reinforcing bar in electric pole,
And buried depth is enough；Especially rainwater weather or wet weather or condensation weather, electric pole surface moisture；Steel tower generally metal material
Matter.
Preferably, the horizontal drop bar (7) has pendulous device (17), makes horizontal drop bar (7) left before and after up and down
Right and other all directions are swung.Horizontal drop bar (7) can rotate by axle center of operation stick, and swing up and down is easy to it
It is overlapped on the hardware of electric pole and line hardware (18) and clamps, it is ensured that contact is good.
Preferably, the operator (111) of the adjuster (110) or opening (11) of handover module (4) or signal generator (1)
Action bars (10) is installed in close to handle (1001) position；Adjuster (110) can adjust the working condition of signal generator (1),
Operator (111) can make opening (11) open or close.Staff can pass through adjuster (110) in handle (1001) position
Operation signal generator (1) guiding line injection detection signal, regulation relevant parameter (such as voltage, electric current)；Or in handle
(1001) position will detect that signal switches between the first signaling module (101) and secondary signal module (102)；Or pass through operation
Device (111) makes jaw open or close.
Preferably, described device is installed on action bars (10).
Preferably, the signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection mould
The opening (11) of block (3) or first detection module (301) or the second detection module (302) is located at the side of action bars (10) radial direction
Side.
Preferably, the opening (11) of the protuberance (801) or clamp on amperemeter is located at the side of action bars (10) radial direction；
Opening (11) place is provided with recess (120).Because device is installed on action bars (10), staff can not with the hands open pincers
The jaw of shape ammeter is caught in wire；The effect of recess (120) is easy for wire being caught in device, also allows for wire and skids off opening
(11)。
Preferably, described device further comprises handheld device (13), and handheld device (13) receives detection module (3) and detected
Detection (2) point both sides electric characteristic value；Or handheld device (13) straighforward operation signal generator (1)；Or handheld device
(13) working condition of signal generator (1) is received；Or handheld device (13) straighforward operation opening (11) makes it open or close.
A kind of line fault detecting system, by signal generator (1) to the input detection letter of power-off fault power circuit
Number, the value of detection is sent to main website (14), main website (14) and each detection module (3) by multiple detection modules (3) on circuit
Or signal generator (1) composition SCADA system.
Main website can be hand-held main website or microcomputer main website.
Preferably, the system is additionally provided with relay amplifier (15), and relay amplifier (15) is integrally set with detection module (3)
Put or be independently arranged, with wireless, power line carrier, optical fiber transmission means between detection module (3) or relay amplifier (15)
Communicated, the signal of the detected signal of relaying amplification or reception.
Main website receives the signal of all detection modules, and SCADA system failure judgement scope, Ran Hougong are passed through for staff
Make librarian use line fault testing device to live further investigation trouble point.
Compared with prior art, the beneficial effect of technical solution of the present invention is：By signal generator (1) to the event that had a power failure
Hinder test point (2) the input detection signal on power circuit, simultaneously or successively detect the electric characteristic of test point (2) both sides,
According to the difference of both sides electric characteristic or by carrying out computing to both sides electric characteristic, failure judgement scope is in the test point (2)
Certain side.In wireline inspection, it is not necessary to which open-circuit line switchs or unties wire reverse interface, reduces workload, improves
Operating efficiency, reduces operating risk, realizes fast power restoration.
Present invention also offers a kind of line fault testing device, including detection module (3) and with signal generator (1)
Signaling module (16)；Preferably, signaling module (16) includes the first signaling module (101) and secondary signal module (102), the
One signaling module (101) and secondary signal module (102) are located at detection module (3) both sides；Preferably, the detection module (3)
Including first detection module (301) and the second detection module (302), first detection module (301) and the second detection module (302)
Both sides positioned at signaling module (16).Signaling module detects test point two to test point input detection signal using detection module
The electric characteristic of side, failure judgement point.It is constituted simply, easy to use, can be grouped and multiple test points are detected.
Present invention also offers a kind of line fault detecting system, by signal generator (1) to power-off fault electric power
The value of detection is sent to main website (14) by circuit input detection signal, multiple detection modules (3) on circuit, main website (14) with
Each detection module (3) or signal generator (1) composition SCADA system.
Preferably, the system is additionally provided with relay amplifier (15), and relay amplifier (15) is integrally set with detection module (3)
Put or be independently arranged, with wireless, power line carrier, optical fiber transmission means between detection module (3) or relay amplifier (15)
Communicated, the signal of the detected signal of relaying amplification or reception.
Preferably, the main website (14) can be hand-held main website or microcomputer main website.
Preferably, the system can be detected simultaneously or sequentially to multiple test points.
Preferably, signal generator (1) can set many according to line sectionalizing situation.Do not have faulty circuit when one section
, can be to continuing to detect with faulty circuit after power transmission.
The system can realize the intellectuality of feeder line fault detection, improve the efficiency of investigation failure, considerably reduce
The workload and labor intensity of failure are investigated, operating risk is reduced.
Brief description of the drawings
Fig. 1 is the detects schematic diagram of bare conductor singlephase earth fault.
Fig. 2 is the detects schematic diagram of bare conductor phase fault.
Fig. 3 is line fault testing device front view.
Fig. 4 is line fault testing device sectional view.
Fig. 5 is that line fault testing device carries electroscope.
Fig. 6 is the line fault testing device schematic diagram provided with protuberance and strut.
Fig. 7 is the schematic diagram of opening and recess.
Fig. 8 is the handover module for showing line fault testing device.
Fig. 9 is shows after the series connection of two clamp on amperemeter output ends output valve again.
Figure 10-A are the line fault testing device schematic diagram with horizontal drop bar；Figure 10-B show handover module or letter
Number adjuster of generator or the operator of opening are installed in action bars close to handle position.
Figure 11 is the schematic diagram of line fault detecting system, is also the schematic diagram with device packet lookup failure.
Figure 12 is the schematic diagram of the line fault detecting system of tape relay amplifier.
Wherein：1st, signal generator；2nd, test point；3rd, detection module；4th, handover module；5th, indicator；6th, electroscope；7、
Horizontal drop bar；8th, conductor；9th, hinge；10th, action bars；11st, it is open；12nd, strut；13rd, handheld device；14th, main website；15th, in
After amplifier；16th, signaling module；101st, the first signaling module；102nd, secondary signal module；301st, first detection module；302、
Second detection module；801st, protuberance, 110, adjuster；1001st, handle；17th, pendulous device；18th, the hardware of shaft tower and
Line hardware；120th, recess.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
In order to more preferably illustrate the present embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be appreciated that some known features and its explanation, which may be omitted, in accompanying drawing
's.
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, earth fault occurs for circuit right side in figure, it is only necessary to there is certain power in the injection of test point 2
Detection signal I, (I=U ÷ Z, wherein U are applied to the voltage of test point, and Z is the impedance of wire) I is divided to for two branch road I1
And I2, faulty I2Loop is formed by the earth, does not have faulty I1Almost nil, both sides electric current has differences, i.e. I2＞ I1,
So can determine whether I of the fault coverage in test point 22Side；In the I of test point 22Detection is chosen again with the method for the present invention and is clicked through in side
Row detection, fault coverage can be reduced again, is repeated several times with regard to that can find trouble point；, will be further if packet is detected
Improve detection efficiency.
In addition, when occurring earth fault, trouble point ground connection is so firm unlike artificial connection, I2It is electric discharge (sparking over the ground
Flower) fault current that produces is the electric current that discrete power supply is produced, its waveform or frequency and I, I1There are significant difference, I2's
Waveform is than I, I1In a jumble, certain discharge frequency can be produced.If it is direct current to detect signal I, then by detecting I, I1、I2's
The difference of waveform or frequency, it is possible to I of the failure judgement scope in test point 22Side；If it is exchange, I to detect signal I1Waveform
As I, and I2Waveform also than I, I1In a jumble, therefore, it again may be by detecting I, I1、I2Waveform or frequency difference,
Failure judgement scope, it can be seen that I2Waveform or frequency substantially with I, I1Difference, can determine whether I of the fault coverage in test point 22
Side.
The detection signal of the present embodiment, preferably DC detecting signal, i.e., apply a DC voltage U in test point 2, so that
Produce detection electric current I.Because alternate have inductive load, inductance coil will not produce induction reactance to direct current, and (straight) decay of I is few,
Any one mutually injects DC detecting signal I (straight), other two-phase can be reached by inductance coil, such three-phase has direct current
Detect signal I (straight)；If injecting alternating-current detection signal I (friendship), inductance coil produces very big induction reactance to alternating current, and I (friendship) declines
Subtract big, other two-phases do not have alternating-current detection signal I (friendship).
Embodiment 2
As shown in Fig. 2 bare conductor is in the alternate generation short troubles of BC, by detection signal I injection C phases test point 2, and will letter
, there is short circuit point due to alternate, form loop, I in the earth terminal overlap joint B phase conductors of number generator 12＞ I1, it can be determined that it is out of order
Scope is in I2Side.The present embodiment can also use Figure 10-A structure type, and B phase conductors are overlapped with horizontal drop bar (17), can
To play same effect.
According to above-mentioned method, it is repeated several times with regard to trouble point can be found.Because short-circuit loop does not concatenate inductive load,
DC detecting signal can be used in the present embodiment, it is possible to use alternating-current detection signal.
For embodiment 1 and embodiment 2, the detection signal is AC signal, direct current signal, pulse signal, alien frequencies letter
Any one in number or any a variety of combination.The computing is to the voltage or electric current or resistance of both sides or impedance or waveform
Figure or frequency or sound wave or its any combination carry out algebraic operation or comparison operation, or have both carried out algebraic operation or be compared fortune
Calculate, sound wave is preferably ultrasonic wave.
Computing citing 1：U ÷ I=Z, Z2＞ Z1, then trouble point is in Z1Side.Computing citing 2：Direct current signal frequency F, F1
It is not O (electric discharge is caused) for 0 or close to 0, F2, then trouble point is in F2 sides；Computing citing 3：AC signal frequency F, F1 are 50HZ
Or close to 50HZ, or other features value, F2 is mixed and disorderly frequency (electric discharge is caused), then trouble point is in F2 sides；Computing is illustrated
4：The waveform of AC or DC signal very standard is very regular, and F2 waveform is in a mess (electric discharge is caused), then trouble point is in F2 sides.
Embodiment 3
As shown in figure 4, a kind of line fault testing device, including detection module (3) and the letter with signal generator (1)
Number module (16), signaling module (16) side is detection module (3).Signal generator (1) can integrally be set with signaling module (16)
Put, can also be provided separately.
As shown in Figure 8, it is preferable that the signaling module (16) includes the first signaling module (101) and secondary signal module
(102), the first signaling module (101) and secondary signal module (102) are located at detection module (3) both sides.First signaling module and
Secondary signal module is to the successively input detection signal of the test point on the power circuit of power-off fault, and detection module is successively to inspection
Measuring point both sides electric characteristic is detected.
Preferably, first signaling module (101) and secondary signal module (102) are electrically connected with handover module (4), cut
Mold changing block (4) is used to switch detection signal between the first signaling module (101) and secondary signal module (102).
Embodiment 4
As shown in Fig. 3, Fig. 9, Figure 11, the detection module (3) includes first detection module (301) and the second detection module
(302), first detection module (301) and the second detection module (302) are located at the both sides of signaling module (16).Signal generator pair
Test point input on the power circuit of power-off fault detects signal, and first detection module and the second detection module are simultaneously to inspection
Measuring point both sides electric characteristic is detected.In Fig. 3-A, the output line of detection line and clamp on amperemeter suffers closely, to select absolutely
The higher insulated conductor of edge.
The signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection module (3) or
First detection module (301) or the second detection module (302) are annular.It is caught in round conductor better.
As shown in figure 3, described device is installed on action bars (10).
The signaling module (16) or the first signaling module (101) or secondary signal module (102) or detection module (3) or
The opening (11) of first detection module (301) or the second detection module (302) is located at the side of action bars (10) radial direction.
Embodiment 5
As shown in Fig. 3, Fig. 9, described device also includes indicator (5)；Indicator (5) be sound or light or display in it is any
A kind of or any a variety of combination.The effect of indicator is to inform staff's failure in certain side of test point.
As shown in Figure 5, it is preferable that described device also includes electroscope (6).Electroscope be used for identify power circuit whether band
Electricity, could be detected when power circuit is not charged to it.
Embodiment 6
As shown in Fig. 5, Fig. 6, Fig. 7, the detection module (3) or first detection module (301) or the second detection module
(302) it is clamp on amperemeter.
As shown in Figure 9, it is preferable that the value of the clamp on amperemeter detection is directly exported；Or two clamp on amperemeter outputs
Output valve again after the series connection of end.Equivalent to two clamps on amperemeter of value exported again after two clamp on amperemeter output end series connection are detected
Value does subtraction, and the output valve can be directly used for judging whether power circuit is faulty, and failure judgement is in the which side of test point.
Embodiment 7
As shown in Fig. 2-Figure 11, the signaling module (16) or the first signaling module (101) or secondary signal module (102)
It is conductor (8) with power circuit contact portion.Detection signal is directly injected into wire.
As shown in Figure 6, it is preferable that the conductor (8) is provided with protuberance (801) by power line trackside.It can fully contact and lead
Line is good with conductive contact.
As shown in Figure 5, it is preferable that the protuberance (801) is located at the clamp side of clamp on amperemeter, and along clamp cloth
Put.Protuberance all directions can fully contact wire, it is good with conductive contact.
Preferably, the protuberance (801) is annular.It is caught in round conductor better.
Preferably, the jaw of the clamp on amperemeter is annular.It is caught in round conductor better.
Embodiment 8
As shown in Figure 5-Figure 7, the protuberance (801) and the clamp of clamp on amperemeter have same hinge (9).Both are same
When open and close, it is easy to operate.
As shown in fig. 4-5, it is preferable that the internal diameter of the protuberance (801) is less than the internal diameter of clamp on amperemeter jaw.It is prominent
Go out portion all directions can fully contact wire, it is good with conductive contact.
As shown in figure 3, described device is installed on action bars (10).
As shown in Figure 3, it is preferable that the signal generator (1) is installed on action bars (10).Staff passes through operation
Lever bracket lifts line fault testing device, is easy to hang over line fault testing device on faulty power circuit, staff
Releasable both hands carry out other operations.
As shown in Figure 6, it is preferable that the protruding parts are in action bars radial direction upper end.
Preferably, the action bars (10) is connected with strut (12).
Preferably, the action bars (10) or strut (12) are telescopic.Telescopic action bars and strut is easy to circuit
Failure detector is used on the power circuit of different height, and device volume reduces, and is operated dexterousr.If circuit is liftoff
Face is very high, device can be hung on the line with unmanned plane.
Embodiment 9
As shown in Figure 10, the signal generator (1) is also electrically connected with horizontal drop bar (7), the one of horizontal drop bar (7)
End is electrically connected with signal generator (1), and the other end is overlapped on the hardware of shaft tower and line hardware (18).And clamp.With
Lower factor, it can be ensured that the working earthing of signal generator is good：There is reinforcing bar in electric pole, and buried depth is enough；Especially rainwater weather
Or wet weather or condensation weather, electric pole surface moisture；Steel tower generally metal material.
As shown in Figure 10, it is preferable that the horizontal drop bar (7) has pendulous device (17), make horizontal drop bar (7) can be
Up and down all around and other all directions swing.Horizontal drop bar (7) can be rotated with operation stick (10) for axle center, up and down front and rear pendulum
It is dynamic, make on its hardware for being easy to be overlapped on electric pole and line hardware and clamp, it is ensured that contact is good.
Embodiment 10
As shown in Figure 10, the operator of the adjuster (110) or opening (11) of handover module (4) or signal generator (1)
(111) action bars (10) is installed in close to handle (1001) position；Adjuster (110) can adjust the work of signal generator (1)
State, operator (111) can make opening (11) open or close.Staff can send out in handle (1001) position operation signal
Raw device (1) guiding line injection detection signal, regulation relevant parameter (such as voltage, electric current)；Or will be examined in handle (1001) position
Signal is surveyed between the first signaling module (101) and secondary signal module (102) to switch；Or pass through the operator of opening (11)
(111) it is made to open or close.
Embodiment 11
As Figure 6-Figure 7, the opening (11) of the protuberance (801) or clamp on amperemeter is located at action bars (10) radially
Side；Opening (11) place is provided with recess (120).Because device is installed on action bars (10), staff can not use double
The jaw that hand opens clamp on amperemeter is caught in wire；The effect of recess (120) is easy for wire being caught in device, also allows for wire
Skid off opening (11).
Embodiment 12
As shown in Fig. 3, Fig. 9, Figure 10, Figure 11, described device further comprises handheld device (13), and handheld device (13) is received
The electric characteristic value for detection (2) the point both sides that detection module (3) is detected；Or handheld device (13) straighforward operation signal generator
(1)；Or handheld device (13) receives the working condition of signal generator (1)；Or handheld device (13) straighforward operation opening (11)
It is set to open or close.
Embodiment 13
As shown in figure 12, a kind of line fault detecting system, by signal generator (1) to power-off fault power circuit
The value of detection is sent to main website (14), main website (14) and each inspection by input detection signal, multiple detection modules (3) on circuit
Survey module (3) or signal generator (1) composition SCADA system.
Preferably, the system is additionally provided with relay amplifier (15), and relay amplifier (15) is integrally set with detection module (3)
Put or be independently arranged, with wireless, power line carrier, optical fiber transmission means between detection module (3) or relay amplifier (15)
Communicated, the signal of the detected signal of relaying amplification or reception.
Preferably, main website can be hand-held main website or microcomputer main website.
Preferably, signal generator (1) can set many according to line sectionalizing situation.Do not have faulty circuit when one section
, can be to continuing to detect with faulty circuit after power transmission.
Preferably, system can be detected simultaneously or sequentially to multiple test points.If detected simultaneously, relay amplifier
(15) and system will handle multiple detected values simultaneously, operand is big, is likely to result in mistake, and influence judges.Further preferably, it is
System can detect that so relay amplifier (15) or system only handle a detection each time to multiple test points in order
Value, such system reliability can be improved.
Main website receives the signal of all detection modules, and then staff is worked by SCADA system failure judgement scope
Librarian use line fault testing device further investigates trouble point to live.
Term the being given for example only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent；
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (15)
1. a kind of line fault testing device, it is characterised in that：Letter including detection module (3) and with signal generator (1)
Number module (16), signaling module (16) side is detection module (3).
2. line fault testing device according to claim 1, it is characterised in that the signaling module (16) includes first
Signaling module (101) and secondary signal module (102), the first signaling module (101) and secondary signal module (102) are located at detection
Module (3) both sides.
3. line fault testing device according to claim 1, it is characterised in that：The detection module (3) includes first
Detection module (301) and the second detection module (302), first detection module (301) and the second detection module (302) are located at signal
The both sides of module (16).
4. the line fault testing device according to claim 1-3 any one, it is characterised in that：Described device also includes
Electroscope (6).
5. line fault testing device according to claim 3, it is characterised in that：The detection module (3) or the first inspection
It is clamp on amperemeter to survey module (301) or the second detection module (302).
6. line fault testing device according to claim 2, it is characterised in that：The signaling module (16) or the first letter
Number module (101) or secondary signal module (102) and power circuit contact portion are conductor (8).
7. line fault testing device according to claim 6, it is characterised in that：The conductor (8) leans on power line trackside
Provided with protuberance (801).
8. line fault testing device according to claim 7, it is characterised in that：The protuberance (801) is located at pincer
The clamp side of ammeter, and arranged along clamp.
9. the line fault testing device according to claim 1-8 any one, it is characterised in that：Described device is installed in
On action bars (10).
10. line fault testing device according to claim 9, it is characterised in that：The signal generator (1) is installed in
On action bars (10).
11. line fault testing device according to claim 10, it is characterised in that：The signal generator (1) also electricity
Horizontal drop bar (7) is connected with, one end of horizontal drop bar (7) is electrically connected with signal generator (1), and the other end is overlapped on shaft tower
Hardware and line hardware (18) on.
12. line fault testing device according to claim 9, it is characterised in that：The protuberance (801) or pincerlike electricity
The opening (11) of flow table is located at the side of action bars (10) radial direction.
13. the line fault testing device according to claim 1-12 any one, it is characterised in that：Described device is also wrapped
Handheld device (13) is included, handheld device (13) receives the electric characteristic for detection (2) the point both sides that detection module (3) is detected
Value；Or handheld device (13) straighforward operation signal generator (1)；Or handheld device (13) receives the work of signal generator (1)
State；Or handheld device (13) straighforward operation opening (11) makes it open or close.
14. a kind of line fault detecting system, it is characterised in that：By signal generator (1) to power-off fault power circuit
The value of detection is sent to main website (14), main website (14) and each inspection by input detection signal, multiple detection modules (3) on circuit
Survey module (3) or signal generator (1) composition SCADA system.
15. line fault detecting system according to claim 14, it is characterised in that：The system is additionally provided with relaying amplification
Device (15), relay amplifier (15) is wholely set or is independently arranged with detection module (3), detection module (3) or relay amplifier
(15) communicated between with wireless, power line carrier, optical fiber transmission means, relaying the detected signal of amplification or reception
Signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710720930.8A CN107329050B (en) | 2017-08-18 | 2017-08-18 | Line fault detection method, detection device and detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720930.8A CN107329050B (en) | 2017-08-18 | 2017-08-18 | Line fault detection method, detection device and detection system |
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| CN107329050B CN107329050B (en) | 2022-05-10 |
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| CN201710720930.8A Active CN107329050B (en) | 2017-08-18 | 2017-08-18 | Line fault detection method, detection device and detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831407A (en) * | 2017-08-09 | 2018-03-23 | 广东电网有限责任公司韶关供电局 | A kind of line fault testing device |
| CN109239442A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN109239441A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN111913128A (en) * | 2020-08-05 | 2020-11-10 | 广州东方电科自动化有限公司 | Fault detection system and method for connecting wire of charging gun |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101252U (en) * | 1991-08-31 | 1992-04-08 | 杜宗展 | Warning device for line fault detection |
| CN101907675A (en) * | 2010-06-25 | 2010-12-08 | 江苏省电力公司泗洪县供电公司 | Method for finding out fault of distribution network circuit |
| CN201984132U (en) * | 2010-12-22 | 2011-09-21 | 华北电力大学 | Distribution line fault positioning and on-line monitoring system |
| CN202309700U (en) * | 2011-08-23 | 2012-07-04 | 成都华羿软件有限公司 | Repeater and power line fault detection system |
| CN202929146U (en) * | 2012-09-26 | 2013-05-08 | 云南电网公司玉溪供电局 | Pilot-frequency signal based insulator crack detecting system |
| CN103344884A (en) * | 2013-07-11 | 2013-10-09 | 杜海滨 | Electricity overhead line fault two-frequency-signal detecting positioning method and dedicated position indicator thereof |
| CN103513161A (en) * | 2013-09-27 | 2014-01-15 | 孙双春 | Power transmission and transformation system fault searching locating instrument and searching method |
| CN103558511A (en) * | 2013-11-18 | 2014-02-05 | 国家电网公司 | Online earth fault positioning system for power distribution network |
| CN103792464A (en) * | 2012-10-31 | 2014-05-14 | 广州亚虎电力有限公司 | Power transmission line malfunction monitoring system |
| CN205720519U (en) * | 2016-03-25 | 2016-11-23 | 北京水木源华电气股份有限公司 | A kind of line fault on-line monitoring system |
| CN107831407A (en) * | 2017-08-09 | 2018-03-23 | 广东电网有限责任公司韶关供电局 | A kind of line fault testing device |
-
2017
- 2017-08-18 CN CN201710720930.8A patent/CN107329050B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101252U (en) * | 1991-08-31 | 1992-04-08 | 杜宗展 | Warning device for line fault detection |
| CN101907675A (en) * | 2010-06-25 | 2010-12-08 | 江苏省电力公司泗洪县供电公司 | Method for finding out fault of distribution network circuit |
| CN201984132U (en) * | 2010-12-22 | 2011-09-21 | 华北电力大学 | Distribution line fault positioning and on-line monitoring system |
| CN202309700U (en) * | 2011-08-23 | 2012-07-04 | 成都华羿软件有限公司 | Repeater and power line fault detection system |
| CN202929146U (en) * | 2012-09-26 | 2013-05-08 | 云南电网公司玉溪供电局 | Pilot-frequency signal based insulator crack detecting system |
| CN103792464A (en) * | 2012-10-31 | 2014-05-14 | 广州亚虎电力有限公司 | Power transmission line malfunction monitoring system |
| CN103344884A (en) * | 2013-07-11 | 2013-10-09 | 杜海滨 | Electricity overhead line fault two-frequency-signal detecting positioning method and dedicated position indicator thereof |
| CN103513161A (en) * | 2013-09-27 | 2014-01-15 | 孙双春 | Power transmission and transformation system fault searching locating instrument and searching method |
| CN103558511A (en) * | 2013-11-18 | 2014-02-05 | 国家电网公司 | Online earth fault positioning system for power distribution network |
| CN205720519U (en) * | 2016-03-25 | 2016-11-23 | 北京水木源华电气股份有限公司 | A kind of line fault on-line monitoring system |
| CN107831407A (en) * | 2017-08-09 | 2018-03-23 | 广东电网有限责任公司韶关供电局 | A kind of line fault testing device |
| CN208172146U (en) * | 2017-08-09 | 2018-11-30 | 广东电网有限责任公司韶关供电局 | A kind of line fault testing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831407A (en) * | 2017-08-09 | 2018-03-23 | 广东电网有限责任公司韶关供电局 | A kind of line fault testing device |
| CN109239442A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN109239441A (en) * | 2018-11-08 | 2019-01-18 | 广东电网有限责任公司 | Split-core type meter loop switch device and split-core type meter |
| CN109239442B (en) * | 2018-11-08 | 2024-08-02 | 广东电网有限责任公司 | Clamp meter loop switching device and clamp meter |
| CN111913128A (en) * | 2020-08-05 | 2020-11-10 | 广州东方电科自动化有限公司 | Fault detection system and method for connecting wire of charging gun |
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