CN109188175A - Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system - Google Patents
Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system Download PDFInfo
- Publication number
- CN109188175A CN109188175A CN201811128417.0A CN201811128417A CN109188175A CN 109188175 A CN109188175 A CN 109188175A CN 201811128417 A CN201811128417 A CN 201811128417A CN 109188175 A CN109188175 A CN 109188175A
- Authority
- CN
- China
- Prior art keywords
- varistor
- terminal
- terminal block
- flexible coupling
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses a kind of cable surface magnetic leakages and mechanical wave combined failure detecting and warning system, internal in solenoid tape wrap (3) and solenoid connecting band (4) including setting, it is wrapped in the solenoid of cable connector outer surface, and the multiple varistors being fitted on cable；The solenoidal both ends are connected by conducting wire with alarm bell light field failure indicator (5)；Multiple varistors are connected to single chip computer measurement communication module (6) and are sent to it pressure signal, and the single chip computer measurement communication module (6), which is connected with the alarm bell light field failure indicator (5) and is sent to it alarm, executes signal.The present invention can detect the generation of cable fault fast and reliablely and carry out the alarm of a local and distant place in time, to can also be quickly detected from the farther away cable fault in device installation place and to being out of order orientation, the in-site installation of device is easy, reliable operation, low energy consumption, adaptable.
Description
Technical field
The present invention relates to a kind of automatic fault finding alarm device, more specifically to a kind of cable surface magnetic leakage with
Mechanical wave combined failure detecting and warning system.
Background technique
Voltage Cable Lines Construction at present in urban distribution network is more and more, and many cables are laid in the same cable duct, and one
Bar cable, which catches fire, will lead to many cables while suffering disaster, and direct economic loss is huge.Some cable direct-burrieds are abnormal to occur in underground
When be difficult to find.These how are monitored online in the operating status of the cable run of recesses laying, quickly notes abnormalities and reports
It is alert, it is that those skilled in the art make great efforts to solve the problems, such as.When normal operation the weak link of cable run first is that cable center tap,
Industry is temperature and cigarette propagated sensation sensor to the technical way for carrying out fault-finding at this at present, but the main of these ways is asked
Topic is that reaction speed is slow, and until fault-finding comes out, accident already leads to serious loss, it is therefore desirable to which research and development are quicker
Effective cable fault locator, early warning ahead of time, quickly processing reduce loss.
Summary of the invention
The present invention solves problems of the prior art, provides a kind of cable surface magnetic leakage and mechanical wave combined failure is visited
Alarm system is surveyed, can quickly and effectively detect cable fault, ahead of time early warning, is quickly handled.
In order to achieve the above object, the present invention provides a kind of cable surface magnetic leakage and mechanical wave combined failure detection alarm system
System, including the seamless solenoid tape wrap for being wrapped in cable connector outer surface, and is connected to the pressure at solenoid tape wrap both ends
Tail band is drawn in quick resistor wiring leading-out end band and varistor wiring.
The inside of the solenoid tape wrap is arranged conducting wire, and by be connected to the varistor wiring leading-out end band and
The varistor wiring draws solenoid connecting band of the tail with the other side and constitutes the spiral shell being completely wrapped on the outside of the cable
Spool；The solenoidal both ends are connected by conducting wire with alarm bell light field failure indicator terminals；
The varistor wiring leading-out end band and the varistor wiring, which are drawn, is arranged multiple varistors on tail band；
Multiple varistors are connected by conducting wire with single chip computer measurement communication module, and are sent out to the single chip computer measurement communication module
Pressurization pressure signal；Wherein, the tail band setting pressure is drawn in the varistor wiring leading-out end band and the varistor wiring
The number of quick resistance is more than two any even numbers.
The alarm bell light field failure indicator is connected with the single chip computer measurement communication module by conducting wire, the list
Piece machine measures communication module and sends alarm execution signal to the alarm bell light field failure indicator.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the varistor
Wiring leading-out end band includes that the soft band of the first rectangle nylon, first be arranged at the top of the soft band of the first rectangle nylon are flexible coupling mother
Head snap-fastener terminal block and soft second with avris of the first rectangle nylon is set it is flexible coupling female snap-fastener terminal block；Described
One end of the one soft band of rectangle nylon uniform longitudinal first varistor, the second varistor and the pressure-sensitive electricity of third arranged in a straight line
Resistance；The other end of the soft band of first rectangle nylon uniformly longitudinal 4th varistor arranged in a straight line, the 5th varistor and
6th varistor；One end of first varistor is connected to the described first first end for being flexible coupling female snap-fastener terminal block
On son, the other end of first varistor is connected to one end of second varistor, second varistor
The other end is connected to one end of the third varistor, and the other end of the third varistor is connected to the described first soft company
It connects in the Second terminal in female snap-fastener terminal block；4th varistor one end connection described first be flexible coupling female by
The third terminal of terminal block is detained, and the other end of the 4th varistor is connect with one end of the 5th varistor,
The other end of 5th varistor is connected with one end of the 6th varistor, the other end of the 6th varistor
It is connected with Second terminal.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the varistor
Wiring draws tail band and includes the soft band of the second rectangle nylon, the soft third with bottom of the second rectangle nylon is arranged in is flexible coupling mother
Head snap-fastener terminal block and soft the 4th with avris of the second rectangle nylon is set it is flexible coupling female snap-fastener terminal block；Described
One end of the two soft bands of rectangle nylon uniform longitudinal 7th varistor, the 8th varistor and the 9th pressure-sensitive electricity arranged in a straight line
Resistance；The other end of the soft band of second rectangle nylon uniformly longitudinal tenth varistor arranged in a straight line, the 11st varistor with
And the 12nd varistor；One end of 7th varistor is connected to the third and is flexible coupling the of female snap-fastener terminal block
On four terminals, the other end of the 7th varistor is connected to one end of the 8th varistor, the 8th pressure-sensitive electricity
The other end of resistance is connected to one end of the 9th varistor, and the other end of the 9th varistor is connected to the third
On the 5th terminal in the female that is flexible coupling snap-fastener terminal block；One end of tenth varistor is connected to the third and is flexible coupling
On 6th terminal of female snap-fastener terminal block, and the other end of the tenth varistor and the 11st varistor
One end connection, the other end of the 11st varistor are connected with one end of the 12nd varistor, and the described 12nd
The other end of varistor is connected with the 5th terminal.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the solenoid is twined
Band includes the soft band of parallelogram nylon, and is uniformly mounted on the multiple conducting wires inside the soft band of parallelogram nylon；
It is parallel to each other between the more conducting wires, and parallel with the upper and lower edge line of the soft band of parallelogram nylon；More institutes
The 7th terminal that the one end for stating first conducting wire of conducting wire the top is flexible coupling female snap-fastener terminal block with described first is connected；It is more
One end of last root conducting wire of conducting wire bottom described in root and the third are flexible coupling the 8th terminal of female snap-fastener terminal block
Connection；The both ends of remaining conducting wire terminal of female snap-fastener terminal block and the 4th that is flexible coupling respectively with described second is flexible coupling mother
The terminal of head snap-fastener terminal block is connected one by one.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the solenoid connects
Tape splicing includes insulated conductor band and is separately positioned on the insulated conductor the 5th being flexible coupling male connector snap-fastener terminal block with both ends
It is flexible coupling male connector snap-fastener terminal block with the 6th；More parallel wires are set inside the solenoid connecting band；The wherein helical
The parallel wire solenoid tape wrap inner lead being arranged inside pipe connecting band is one few；The two of the more parallel wires
Hold with the described 5th be flexible coupling male connector snap-fastener terminal block and the 6th be flexible coupling male connector snap-fastener terminal block connecting terminal be connected one by one；
The described 5th male connector snap-fastener terminal block that is flexible coupling is connect with the described second female snap-fastener terminal block that is flexible coupling, and the described 6th is flexible coupling
Male connector snap-fastener terminal block is connect with the described 4th female snap-fastener terminal block that is flexible coupling.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the alarm bell light
Field failure indicator includes current-limiting resistance, warning light, emergency alarm bell；One end connection described first of the current-limiting resistance is flexible coupling
The 7th terminal in female snap-fastener terminal block, the other end are connected with one end of the warning light；The other end of the warning light connects
One end of the emergency alarm bell is connect, the other end of the emergency alarm bell is connected to that the third is flexible coupling in female snap-fastener terminal block
On eight terminals.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the single-chip microcontroller is surveyed
Amount communication module includes single-chip microcontroller, standard voltage source, 485 wireless communication modules, power module, the 7th connecting terminal block and
Multiple sampling divider resistances；Wherein the single-chip microcontroller, the standard voltage source and 485 wireless communication module are by the electricity
Source module power supply, the standard voltage signal output of the standard voltage source are connected to the AD0 end feet of the single-chip microcontroller.
The serial ports of the single-chip microcontroller is connect with the serial ports of 485 wireless communication modules, and on the 7th connecting terminal block
11 terminals, the tenth two-terminal, the 13rd terminal, the 17th terminal are flexible coupling in female snap-fastener terminal block with described first respectively
First terminal, Second terminal, third terminal and the 7th terminal connect one to one respectively；On 7th connecting terminal block
14th terminal, the 15th terminal, the 16th terminal, the 18th terminal are flexible coupling with the third female snap-fastener terminal block respectively
On forth terminal, the 5th terminal, the 6th terminal and the 8th terminal connect one to one respectively；One end of 14th divider resistance
It is connected on the 13rd terminal, the other end of the 14th divider resistance connects the 15th divider resistance；Described tenth
The other end of four divider resistances is also connected with the AD3 end feet of the single-chip microcontroller, and the other end of the 15th divider resistance connects institute
State the IO1 end feet of single-chip microcontroller；One end of 16th divider resistance is connected to the tenth upper one end of the 7th connecting terminal block
On son, the other end of the 16th divider resistance is connected to one end of the 17th divider resistance, the 16th divider resistance
The other end be also connected with the AD2 end feet of the single-chip microcontroller；The other end of 17th divider resistance connects the single-chip microcontroller
IO2 end feet；One end of 18th divider resistance connects the 14th upper terminal of the 7th connecting terminal block, and the described 18th
The other end of divider resistance connects one end of the 19th divider resistance；The other end of 18th divider resistance is also connected with described
The other end of the AD4 end feet of single-chip microcontroller, the 19th divider resistance connects the IO3 end feet of the single-chip microcontroller；20th partial pressure
One end of resistance connects the 16th upper terminal of the 7th connecting terminal block, and the other end of the 20th divider resistance connects
It connects in one end of the 21st divider resistance, the other end of the 20th divider resistance is also connected with the end AD5 of the single-chip microcontroller
The other end of foot, the 21st divider resistance connects the IO4 end feet of the single-chip microcontroller；One end of 22nd divider resistance
Connect the 17th terminal on the 7th connecting terminal block；The other end of 22nd divider resistance is connected to the 20th
One end of three divider resistances, the other end of the 22nd divider resistance are also connected with the AD1 terminal of the single-chip microcontroller, and described
The other end of 23 divider resistances connects the 18th terminal on the 7th connecting terminal block.
Vcc terminal on 7th connecting terminal block connects positive, the described single-chip microcontroller of the power module simultaneously
Vcc terminal, the power pins of the standard voltage source, the power pins of 485 wireless communication module and the described 7th connect
The 15th terminal and the tenth two-terminal on line terminals row；The Gnd terminal of 7th connecting terminal block and the normal voltage
The grounding pin in source, the grounding pin of 485 wireless communication module and the 18th end on the 7th connecting terminal block
Son is connected.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, under preferred embodiment, the varistor
Detachable connecting device is arranged in the upper/lower terminal that tail band is drawn in wiring leading-out end band and the varistor wiring.
Above-mentioned cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, it is described detachably to connect under preferred embodiment
Tipping is set to elastic force hook and elastic force hangers.
The present invention can detect the generation of cable fault fast and reliablely and carry out the alarm of a local and distant place in time, to from
The farther away cable fault in device installation place can also be quickly detected and to the orientation that is out of order, and the in-site installation of device is easy, work
Make reliably, low energy consumption, adaptable.
Detailed description of the invention
Fig. 1 is the propagation and detection schematic diagram of the present invention of mechanical wave when the source of trouble is located at present invention left side；
Fig. 2 is that the propagation of mechanical wave and present invention detection are shown when the source of trouble is located inside the cable connector of installation place of the present invention
It is intended to；
Fig. 3 is the propagation and detection schematic diagram of the present invention of mechanical wave when the source of trouble is located at present invention right side；
Fig. 4 is solenoid structure and connection schematic diagram of the invention；
Fig. 5 is overall structure diagram of the invention；
Fig. 6 is the internal circuit diagram of single chip computer measurement communication module in the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 5, Figure 6, a kind of cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, including seamless twine
It is wound on the solenoid tape wrap 3 of cable connector outer surface, and is connected to the varistor wiring at 3 both ends of solenoid tape wrap and draws
Tail band 2 is drawn in lift one's head band 1 and varistor wiring.
Conducting wire is arranged in the inside of the solenoid tape wrap 3, and by being connected to the varistor wiring leading-out end band 1
It constitutes and is completely wrapped on the outside of the cable with the solenoid connecting band 4 that 2 other side of tail band is drawn in the varistor wiring
Solenoid；The solenoidal both ends are connected by conducting wire with 5 terminals of alarm bell light field failure indicator.
The varistor wiring leading-out end band 1 and the varistor wiring, which are drawn, is arranged multiple pressure-sensitive electricity on tail band 2
Resistance；Multiple varistors are connected by conducting wire with single chip computer measurement communication module 6, and communicate mould to the single chip computer measurement
Block 6 sends pressure signal；Wherein, the varistor wiring leading-out end band 1 and the varistor wiring are drawn tail band 2 and are arranged
The number of the varistor is more than two any even numbers.
The alarm bell light field failure indicator 5 is connected with the single chip computer measurement communication module 6 by conducting wire, described
Single chip computer measurement communication module 6 sends alarm to the alarm bell light field failure indicator 5 and executes signal.
The varistor wiring leading-out end band 1 includes the soft band of the first rectangle nylon, is arranged in the first rectangle nylon
First at the top of soft band is flexible coupling female snap-fastener terminal block J1 and that the first rectangle nylon soft second with avris is arranged in is soft
Connect female snap-fastener terminal block J2；Uniform longitudinal first varistor arranged in a straight line in one end of the soft band of first rectangle nylon
R1, the second varistor R2 and third varistor R3；The uniform longitudinal straight line of the other end of the soft band of first rectangle nylon
Arrange the 4th varistor R4, the 5th varistor R5 and the 6th varistor R6；One end of the first varistor R1
It is connected to described first to be flexible coupling on the first terminal Y1 of female snap-fastener terminal block J1, the other end of the first varistor R1
It is connected to one end of the second varistor R2, the other end of the second varistor R2 is connected to the pressure-sensitive electricity of the third
One end of R3 is hindered, the other end of the third varistor R3 is connected to described first and is flexible coupling on female snap-fastener terminal block J1
On Second terminal Y2；One end of the 4th varistor R4 connects the described first third for being flexible coupling female snap-fastener terminal block J1
Terminal Y3, and the other end of the 4th varistor R4 is connect with one end of the 5th varistor R5, the described 5th
The other end of varistor R5 is connected with one end of the 6th varistor R6, the other end of the 6th varistor R6 with
Second terminal Y2 is connected.
The varistor wiring draws tail band 2 and includes the soft band of the second rectangle nylon, is arranged in the second rectangle nylon
The soft third with bottom is flexible coupling female snap-fastener terminal block J3 and that the second rectangle nylon the soft the 4th with avris is arranged in is soft
Connect female snap-fastener terminal block J4；Uniform longitudinal 7th varistor arranged in a straight line in one end of the soft band of second rectangle nylon
R7, the 8th varistor R8 and the 9th varistor R9；The uniform longitudinal straight line of the other end of the soft band of second rectangle nylon
Arrange the tenth varistor R10, the 11st varistor R11 and the 12nd varistor R12；The 7th varistor R7
One end be connected to the third and be flexible coupling on the forth terminal Y4 of female snap-fastener terminal block J3, the 7th varistor R7's
The other end is connected to one end of the 8th varistor R8, and the other end of the 8th varistor R8 is connected to the described 9th
One end of varistor R9, the other end of the 9th varistor R9 are connected to the third and are flexible coupling female snap-fastener terminal block
On the 5th terminal Y5 on J3；One end of the tenth varistor R10 is connected to the third and is flexible coupling female snap-fastener terminal
On the 6th terminal Y6 for arranging J3, and the one of the other end of the tenth varistor R10 and the 11st varistor R11
End connection, the other end of the 11st varistor R11 is connected with one end of the 12nd varistor R12, and described the
The other end of 12 varistor R12 is connected with the 5th terminal Y5.
The solenoid tape wrap 3 is folded in the varistor wiring leading-out end band 1 and the varistor wiring is drawn
Between tail band 2；The solenoid tape wrap 3 includes the soft band of parallelogram nylon, and is uniformly mounted on the parallelogram
Multiple conducting wires inside the soft band of nylon；Be parallel to each other between the more conducting wires, and with the soft band of parallelogram nylon
Upper and lower edge line it is parallel；One end of first conducting wire of the more conducting wire the tops with described first be flexible coupling female by
The 7th terminal L for detaining terminal block J1 is connected；One end of last root conducting wire of the more conducting wire bottoms and the third are soft
Connect the 8th terminal N connection of female snap-fastener terminal block J3；The both ends of remaining conducting wire are flexible coupling with described second mother respectively
The terminal of head snap-fastener terminal block J2 and the 4th be flexible coupling female snap-fastener terminal block J4 terminal be connected one by one.
The solenoid connecting band 4 is including insulated conductor band and is separately positioned on the 5th of the insulated conductor with both ends
The male connector that is flexible coupling snap-fastener terminal block J5 and the 6th is flexible coupling male connector snap-fastener terminal block J6；It is arranged inside the solenoid connecting band 4
More parallel wires；The parallel wire being wherein arranged inside the solenoid connecting band 43 inner lead of solenoid tape wrap
It is one few；The both ends of the more parallel wires are flexible coupling male connector with the described 5th male connector snap-fastener terminal block J5 and the 6th that is flexible coupling
The connecting terminal of snap-fastener terminal block J6 is connected one by one；The described 5th male connector snap-fastener terminal block J5 that is flexible coupling is flexible coupling with described second
Female snap-fastener terminal block J2 connection, the described 6th male connector snap-fastener terminal block J6 and the described 4th that is flexible coupling are flexible coupling female by end of thread
Son row's J4 connection.
The alarm bell light field failure indicator 5 includes current-limiting resistance R13, warning light BJ1, emergency alarm bell BJ2；The limit
One end of leakage resistance R13 connects the described first the 7th terminal L being flexible coupling on female snap-fastener terminal block J1, the other end and the announcement
One end of warning lamp BJ1 is connected；The other end of the warning light BJ1 connects one end of the emergency alarm bell BJ2, the emergency alarm bell BJ2
The other end be connected on the 8th terminal N that the third is flexible coupling on female snap-fastener terminal block J3.
As shown in Figure 5, Figure 6, the single chip computer measurement communication module 6 includes single-chip microcontroller IC1, standard voltage source IC2,485
Wireless communication module IC3, power module P1, the 7th connecting terminal block J7 and multiple sampling divider resistances；The wherein monolithic
Machine IC1, the standard voltage source IC2 and the 485 wireless communication module IC3 are powered by the power module P1, the mark
The standard voltage signal output of reference voltage source IC2 is connected to the AD0 end feet of the single-chip microcontroller IC1.
The serial ports of the single-chip microcontroller IC1 is connect with the serial ports of 485 wireless communication module IC3, the 7th connecting terminal block
The 11st terminal Y11, the tenth two-terminal Y12, the 13rd terminal Y13, the 17th terminal L2 on J7 is soft with described first respectively
It connects first terminal Y1, Second terminal Y2, third terminal Y3 and the 7th terminal L on female snap-fastener terminal block J1 and distinguishes an a pair
It should connect；The 14th terminal Y14, the 15th terminal Y15, the 16th terminal Y16, the tenth on the 7th connecting terminal block J7
Eight terminal N2 are flexible coupling with the third forth terminal Y4, the 5th terminal Y5, the 6th end on female snap-fastener terminal block J3 respectively
Sub- Y6 and the 8th terminal N connect one to one respectively；One end of 14th divider resistance R14 is connected to the 13rd terminal
On Y13, the other end of the 14th divider resistance R14 connects the 15th divider resistance R15；14th divider resistance
The other end is also connected with the AD3 end feet of the single-chip microcontroller IC1, and the other end of the 15th divider resistance R15 connects the monolithic
The IO1 end feet of machine IC1；One end of 16th divider resistance R16 is connected to upper the 11st of the 7th connecting terminal block J7
On terminal Y11, the other end of the 16th divider resistance R16 is connected to one end of the 17th divider resistance R17, and the described tenth
The other end of six divider resistance R16 is also connected with the AD2 end feet of the single-chip microcontroller IC1；The 17th divider resistance R17's is another
End connects the IO2 end feet of the single-chip microcontroller IC1；One end of 18th divider resistance R18 connects the 7th connecting terminal block J7
The 14th upper terminal Y14, the other end of the 18th divider resistance R18 connects one end of the 19th divider resistance R19；
The other end of the 18th divider resistance R18 is also connected with the AD4 end feet of the single-chip microcontroller IC1, the 19th divider resistance
The other end of R19 connects the IO3 end feet of the single-chip microcontroller IC1；One end of 20th divider resistance R20 connects the 7th wiring
The 16th upper terminal Y16 of terminal block J7, the other end of the 20th divider resistance R20 are connected to the 21st partial pressure electricity
One end of R21 is hindered, the other end of the 20th divider resistance R20 is also connected with the AD5 end feet of the single-chip microcontroller IC1, and described the
The other end of 21 divider resistance R21 connects the IO4 end feet of the single-chip microcontroller IC1；One end of 22nd divider resistance R22
Connect the 17th terminal L2 on the 7th connecting terminal block J7；The other end of the 22nd divider resistance R22 connects
The other end in one end of the 23rd divider resistance R23, the 22nd divider resistance R22 is also connected with the single-chip microcontroller
The AD1 terminal of IC1, the other end of the 23rd divider resistance R23 connect the tenth on the 7th connecting terminal block J7
Eight terminal N2.
Vcc terminal on the 7th connecting terminal block J7 connects positive, the described monolithic of the power module P1 simultaneously
The Vcc terminal of machine IC1, the power pins of the standard voltage source IC2, the power pins of the 485 wireless communication module IC3,
And the 15th terminal Y15 and the tenth two-terminal Y12 on the 7th connecting terminal block J7；The 7th connecting terminal block J7
Gnd terminal and the grounding pin of the standard voltage source IC2, the grounding pin of the 485 wireless communication module IC3 and institute
The 18th terminal N2 stated on the 7th connecting terminal block J7 is connected.
As shown in Figure 5, Figure 6, the present invention is made of 6 parts: varistor wiring leading-out end band 1, varistor wiring are drawn
Tail band 2, solenoid tape wrap 3, solenoid connecting band 4, alarm bell light field failure indicator 5, single chip computer measurement communication module out
6。
Wherein, varistor wiring leading-out end band 1, varistor wiring are drawn tail band 2 and are connected by the way that solenoid tape wrap 3 is fixed
Be connected together, when by pressure-sensitive resistor wiring leading-out end band 1, solenoid tape wrap 3, varistor wiring draw 2 direction of tail band successively
When open and flat, varistor wiring leading-out end band 1 and varistor wiring draw that tail band 2 is rectangle, solenoid tape wrap 3 is parallel four
Tail band 2 is drawn in side shape, the lower edges line and varistor wiring leading-out end band 1 of solenoid tape wrap 3 and varistor wiring
Longitudinal edge line angle at 45 °.
When installing at the scene, the axial direction of 1 vertical-rise cable of varistor wiring leading-out end band is wrapped in one end of cable connector,
The axial direction that 2 vertical-rise cable of tail band is drawn in varistor wiring is wrapped in the other end of cable connector, the seamless winding of solenoid tape wrap 3
In the outer surface of cable connector, the both ends of solenoid connecting band 4 are connected to varistor wiring leading-out end band 1 and pressure-sensitive electricity
Wiring is hindered to draw on tail band 2；Solenoid tape wrap 3 and solenoid connecting band 4 form a complete line solenoid snare in cable
On connector, alarm bell light field failure indicator 5 is connected to solenoid tape wrap 3 and solenoid connecting band 4 is formed by solenoid
The both ends of lead-out wire, single chip computer measurement communication module 6 is connected to varistor wiring leading-out end band 1 and varistor wiring is drawn
On tail band 2.
The varistor wiring leading-out end band 1 further includes elastic force hook, elastic force hangers.Wherein first be flexible coupling female by
Button terminal block J1 and second is flexible coupling female snap-fastener terminal block J2, varistor, elastic force hook, elastic force hangers in the first rectangle Buddhist nun
Dragon is soft to take fixed installation formation one.First varistor R1, the second varistor R2 and third varistor R3 series connection
Connection, uniformly longitudinal arranged in a straight line along the left side of varistor wiring leading-out end band 1, one end connection first is flexible coupling female snap-fastener
On the first terminal Y1 of terminal block J1, the other end is connected to the first Second terminal Y2 being flexible coupling on female snap-fastener terminal block J1
On.
4th varistor R4, the 5th varistor R5 and the 6th varistor R6 are connected in series, and connect along varistor
The right side of line leading-out end band 1 is uniformly longitudinal arranged in a straight line, and one end is connected to the first third for being flexible coupling female snap-fastener terminal block J1
On terminal Y3, the other end is connected on the Second terminal Y2 that first is flexible coupling on female snap-fastener terminal block J1.
First the 7th terminal L for being flexible coupling female snap-fastener terminal block J1 has 2, and is mutually connected, and first is flexible coupling female
First conducting wire in a 7th terminal L connection solenoid tape wrap 3 of snap-fastener terminal block J1, first is flexible coupling female by end of thread
One end of the current-limiting resistance R13 of another the 7th terminal L connection alarm bell light field failure indicator 5 of son row J1.Pressure-sensitive electricity
Resistance wiring leading-out end band 1 is anchored on the smooth surface on the left of cable connector by elastic force hook and elastic force hangers during installation.?
The second number of terminals for being flexible coupling female snap-fastener terminal block J2 is 10 in the present embodiment.
It is flexible coupling female snap-fastener as shown in figure 5, tail band 2 is drawn in varistor wiring by the soft band of the second rectangle nylon, third
Terminal block J3 and the 4th be flexible coupling female snap-fastener terminal block J4, elastic force hook, elastic force hangers etc. composition.Seven varistor R7,
Eight varistor R8 and the 9th varistor R9 are connected in series, uniform along the left side that tail band 2 is drawn in the varistor wiring
Longitudinal arranged in a straight line, one end is connected to third and is flexible coupling on the forth terminal Y4 of female snap-fastener terminal block J3, and the other end is connected to
Third is flexible coupling on the 5th terminal Y5 of female snap-fastener terminal block J3.
Tenth varistor R10, the 11st varistor R11 and the 12nd varistor R12 are connected in series, along pressure-sensitive
The right side that resistor wiring draws tail band 2 is uniformly longitudinal arranged in a straight line, and one end is connected to third and is flexible coupling female snap-fastener terminal block J3
The 6th terminal Y6 on, the other end is connected to third and is flexible coupling on the 5th terminal Y5 of female snap-fastener terminal block J3.The soft company of third
The 8th terminal N for meeting female snap-fastener terminal block J3 has 2, is mutually connected, and third is flexible coupling one of female snap-fastener terminal block J3
Last root conducting wire in 8th terminal N connection solenoid tape wrap 3, third be flexible coupling female snap-fastener terminal block J3 another
One end of the emergency alarm bell BJ2 of eight terminal N connecting wires and alarm bell light field failure indicator 5.4th is flexible coupling female snap-fastener
Terminal block J4 is connected one by one with other conducting wires in solenoid tape wrap 3.Varistor wiring draws tail band 2 during installation by elastic force
Hook and elastic force hangers are anchored on the smooth surface on the right side of cable connector.The 4th is flexible coupling female snap-fastener terminal in the present embodiment
The number of terminals for arranging J4 is 10.
As shown in figure 5, solenoid tape wrap 3 is made of the soft band of parallelogram nylon, multiple conducting wires, wherein parallelogram
The soft band of rectangle nylon that tail band 2 is drawn in the soft band of nylon and varistor wiring leading-out end band 1 and varistor wiring is woven into one
Body, conducting wire are parallel to the lower edges line of the soft band of parallelogram nylon, are uniformly installed on the parallelogram Buddhist nun
The inside of the soft band of dragon, with exterior insulation；The first of one end of first conducting wire of upper part and varistor wiring leading-out end band 1 is soft
The 7th terminal L connection in female snap-fastener terminal block J1 is connected, one end and the varistor wiring of last root conducting wire of lower part are drawn
The third of tail band 2 is flexible coupling the 8th terminal N connection in female snap-fastener terminal block J3 out, the both ends of other conducting wires respectively with it is pressure-sensitive
The the 4th soft of tail band 2 is drawn in be flexible coupling female snap-fastener terminal block J2 and the varistor wiring of the second of resistor wiring leading-out end band 1
Connection female snap-fastener terminal block J4 is connected one by one.Parallel wire radical in the present embodiment solenoid tape wrap 3 is 11.
As shown in figure 5, solenoid connecting band 4 is flexible coupling male connector snap-fastener terminal block J5, the 6th soft by insulated conductor band, the 5th
Male connector snap-fastener terminal block J6 composition is connected, the conducting wire radical that the conducting wire radical in insulated conductor band is equal in solenoid tape wrap 3 subtracts
1, conducting wire both ends are flexible coupling male connector snap-fastener terminal block J6 mono- with the described 5th male connector snap-fastener terminal block J5 and the described 6th that is flexible coupling
One connection, the 5th be flexible coupling in male connector snap-fastener terminal block J5 and varistor wiring leading-out end band 1 second be flexible coupling female by
Detain terminal block J2 connection, the 6th be flexible coupling male connector snap-fastener terminal block J6 and varistor wiring extraction tail band 2 in the 4th soft company
Female snap-fastener terminal block J4 connection is connect, solenoid connecting band 4 and solenoid tape wrap 3 form a complete solenoid.This implementation
The conducting wire radical of example is equal to the 5th and is flexible coupling the end that male connector snap-fastener terminal block J5 and the 6th is flexible coupling in male connector snap-fastener terminal block J6
Subnumber is equal to 10.
As shown in FIG. 1 to 3, very big electric power can be generated when cable insulation damages, and short circuit occurs, the electric power institute
The mechanical wave B of generation can be along cable Propagation.Wherein r1, r2 are 2 pressure-sensitive electricity on varistor wiring leading-out end band 1
Resistance series connection annulus equivalent resistance, r3, r4 be varistor wiring draw tail band 2 on 2 varistors connect annulus etc.
Imitate resistance.
In Fig. 1 at source of trouble A, for mechanical wave B along cable Propagation, t1~t4 is r1~r4 in the same detection cycle
Interior first time detects the amplitude out-of-limit time, and the detection cycle of the present embodiment is 0.2 second, and single-chip microcontroller passes through institute in calculating cycle
The mechanical wave number detected can obtain its frequency, can be distinguished caused by the extraneous event such as automobile process by frequency filter
Mechanical wave, to reduce the probability that device generates false alarm.Single-chip microcontroller can accurate judgement fault point by comparing the size of t1~t4
Relative to the orientation of present apparatus installation place, as shown in Figure 1, temporal characteristics when cable fault appears in left side are: t1 < t2 < t3 <
t4。
The source of trouble A that cable is shown in Fig. 2 appears in the propagation of mechanical wave B when inside the cable center tap of device installation place
Direction, temporal characteristics at this time are: t1>t2 and t3<t4.
The direction of propagation of mechanical wave B when the source of trouble A of cable appears in the right side of device, time at this time are shown in Fig. 3
It is characterized in: t1 > t2 > t3 > t4.
As shown in figure 4, can go out at cable failure when insulation damages short trouble occurs in device installation place cable center tap
Now very violent electric field strength changes, and high-intensity magnetic field caused by the electric field of variation is in 4 institute of solenoid tape wrap 3 and solenoid connecting band
The solenoid of formation induces higher voltage, to light the alarm lamp on alarm bell light field failure indicator 5 and starting
Alarm bell, while single-chip microcontroller collects this voltage jump and distally transmits, since what is transmitted in cable is alternating current, such event
Solenoidal induced voltage can continue for some time when barrier generation, until the present apparatus is burnt with cable center tap.Close on electricity
Also solenoid can be caused to induce voltage when short trouble occurs in cable, trigger device distally transmits alarm, but voltage magnitude meeting
It is much smaller.
Apparatus of the present invention can be applicable to the place that cable center tap and cable corner etc. need emphasis to monitor, and device is in electricity
When installing at cable joint, the axial direction of 1 vertical-rise cable of varistor wiring leading-out end band is wrapped in one end of cable connector first,
And fixed with elastic force hook and elastic force hangers, measurement first is flexible coupling first terminal Y1 in female snap-fastener terminal block J1 and the
Resistance r1 between two-terminal Y2 measures the resistance r2 between third terminal Y3 and Second terminal Y2, and records；Again by solenoid tape wrap
The 3 seamless outer surfaces for being wrapped in cable connector, the length of solenoid tape wrap 3 are more than or equal to 1 times of cable outer surface perimeter, i.e.,
Solenoid tape wrap 3 can just wind the circle of cable center tap outer surface 1；2 vertical-rise cable of tail band then is drawn into varistor wiring
The axial other end wound and be fixed on cable connector, the forth terminal that measurement third is flexible coupling in female snap-fastener terminal block J3
Resistance r3 between Y4 and the 5th terminal Y5 terminal measures resistance r4 between the 6th terminal Y6 and the 5th terminal Y5, and records.Again by helical
The both ends the 5th of pipe connecting band 4 be flexible coupling male connector snap-fastener terminal block J5 and the 6th be flexible coupling male connector snap-fastener terminal block J6 one-to-one correspondence
Tail is drawn in the second be flexible coupling female snap-fastener terminal block J2 and varistor wiring that ground is connected to varistor wiring leading-out end band 1
The 4th with 2 is flexible coupling in female snap-fastener terminal block J4 terminal block, and the first of measurement varistor wiring leading-out end band 1 is flexible coupling
The third that tail band 2 is drawn in the 7th terminal L in female snap-fastener terminal block J1 and varistor wiring is flexible coupling female snap-fastener terminal
Resistance should be less than 1 ohm between the 8th terminal N in row J3；Alarm bell light field failure indicator 5 is connected to varistor again
The 7th terminal L and varistor wiring that the first of wiring leading-out end band 1 is flexible coupling in female snap-fastener terminal block J1 are drawn
The third of tail band 2 is flexible coupling a 8th terminal N in female snap-fastener terminal block J3；Again by single chip computer measurement communication module 6
7th connecting terminal block J7 is flexible coupling female by end of thread by first that conducting wire is correspondingly connected to varistor wiring leading-out end band 1
The third that tail band 2 is drawn in son row J1 and varistor wiring is flexible coupling female snap-fastener terminal block J3；Power module P1 is accessed again
7th connecting terminal block J7 of single chip computer measurement communication module 6, device are started to work, will be attached under r1, r2, r3, r4 resistance value
The configuration file of single-chip microcontroller, single-chip microcontroller are drawn in tail band 2 by detection varistor wiring leading-out end band 1 and varistor wiring
Series connection varistor value r1, r2 and r3, r4 catastrophe, judge failure occur direction；Single-chip microcontroller passes through described in detection
The solenoidal output voltage that solenoid tape wrap 3 and solenoid connecting band 4 are formed judges the damaged condition of cable connector shielded layer
Or the damaged condition of cable shield is closed on, solenoid output voltage should be close to 0 when normal operation, and cable connector shielded layer occurs
Solenoid can export very high voltage moment when damaged, and local alarm lamp can be lighted and emergency alarm bell can sound, while single-chip microcontroller is logical
485 wireless communication modules are crossed distally to transmit.
Apparatus of the present invention can detect the generation of cable fault fast and reliablely and progress in time is local and a distant place alerts,
To can be also quickly detected from the farther away cable fault in device installation place and to being out of order orientation, the in-site installation letter of device
Just, reliable operation, low energy consumption, adaptable.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of cable surface magnetic leakage and mechanical wave combined failure detecting and warning system, which is characterized in that be wrapped in including seamless
The solenoid tape wrap (3) of cable connector outer surface, and be connected to the varistor wiring at solenoid tape wrap (3) both ends and draw
Lift one's head and draws tail band (2) with (1) and varistor wiring；
Conducting wire is arranged in the inside of the solenoid tape wrap (3), and by being connected to the varistor wiring leading-out end band (1)
Solenoid connecting band (4) composition for drawing tail band (2) other side with the varistor wiring is completely wrapped in the cable
The solenoid in outside；The solenoidal both ends are connected by conducting wire with alarm bell light field failure indicator (5) terminals；
The varistor wiring leading-out end band (1) and the varistor wiring, which are drawn, is arranged multiple pressure-sensitive electricity on tail band (2)
Resistance；Multiple varistors are connected by conducting wire with single chip computer measurement communication module (6), and are communicated to the single chip computer measurement
Module (6) sends pressure signal；Wherein, tail is drawn in the varistor wiring leading-out end band (1) and the varistor wiring
The number that the varistor is arranged in band (2) is more than two any even numbers；
The alarm bell light field failure indicator (5) is connected with the single chip computer measurement communication module (6) by conducting wire, described
Single chip computer measurement communication module (6) sends alarm to the alarm bell light field failure indicator (5) and executes signal.
2. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 1, which is characterized in that institute
Varistor wiring leading-out end band (1) is stated to include the soft band of the first rectangle nylon, be arranged at the top of the soft band of the first rectangle nylon
First be flexible coupling and female snap-fastener terminal block (J1) and soft second with avris of the first rectangle nylon is set is flexible coupling mother
Head snap-fastener terminal block (J2)；The uniform longitudinal direction in one end of the soft band of first rectangle nylon the first varistor (R1) arranged in a straight line,
Second varistor (R2) and third varistor (R3)；The uniform longitudinal straight line of the other end of the soft band of first rectangle nylon
Arrange the 4th varistor (R4), the 5th varistor (R5) and the 6th varistor (R6)；First varistor
(R1) one end is connected to described first and is flexible coupling on the first terminal (Y1) of female snap-fastener terminal block (J1), and described first is pressure-sensitive
The other end of resistance (R1) is connected to one end of second varistor (R2), the other end of second varistor (R2)
It is connected to one end of the third varistor (R3), it is soft that the other end of the third varistor (R3) is connected to described first
It connects in the Second terminal (Y2) on female snap-fastener terminal block (J1)；One end connection described the of 4th varistor (R4)
One third terminal (Y3) for being flexible coupling female snap-fastener terminal block (J1), and the other end of the 4th varistor (R4) and institute
State one end connection of the 5th varistor (R5), the other end and the 6th varistor of the 5th varistor (R5)
(R6) one end is connected, and the other end of the 6th varistor (R6) is connected with Second terminal (Y2).
3. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 2, which is characterized in that institute
Stating varistor wiring and drawing tail band (2) includes the soft band of the second rectangle nylon, setting in the soft band bottom of the second rectangle nylon
Third be flexible coupling and female snap-fastener terminal block (J3) and soft the 4th with avris of the second rectangle nylon is set is flexible coupling mother
Head snap-fastener terminal block (J4)；The uniform longitudinal direction in one end of the soft band of second rectangle nylon the 7th varistor (R7) arranged in a straight line,
8th varistor (R8) and the 9th varistor (R9)；The uniform longitudinal straight line of the other end of the soft band of second rectangle nylon
Arrange the tenth varistor (R10), the 11st varistor (R11) and the 12nd varistor (R12)；Described 7th is pressure-sensitive
One end of resistance (R7) is connected to the third and is flexible coupling in the forth terminal (Y4) of female snap-fastener terminal block (J3), and the described 7th
The other end of varistor (R7) is connected to one end of the 8th varistor (R8), the 8th varistor (R8) it is another
One end is connected to one end of the 9th varistor (R9), and the other end of the 9th varistor (R9) is connected to described
Three are flexible coupling on the 5th terminal (Y5) in female snap-fastener terminal block (J3)；One end of tenth varistor (R10) connects
On the 6th terminal (Y6) that the third is flexible coupling female snap-fastener terminal block (J3), and the tenth varistor (R10)
The other end connect with one end of the 11st varistor (R11), the other end of the 11st varistor (R11) with
One end of 12nd varistor (R12) is connected, the other end and the 5th terminal of the 12nd varistor (R12)
(Y5) it is connected.
4. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 3, which is characterized in that institute
Stating solenoid tape wrap (3) includes the soft band of parallelogram nylon, and is uniformly mounted in the soft band of parallelogram nylon
The multiple conducting wires in portion；It is parallel to each other between the more conducting wires, and the upper and lower edge with the soft band of parallelogram nylon
Line is parallel；One end of first conducting wire of the more conducting wire the tops is flexible coupling female snap-fastener terminal block (J1) with described first
The 7th terminal (L) be connected；One end of last root conducting wire of the more conducting wire bottoms and the third are flexible coupling female
8th terminal (N) of snap-fastener terminal block (J3) connects；The both ends of remaining conducting wire be flexible coupling respectively with described second female by
Detain terminal block (J2) terminal and the 4th be flexible coupling female snap-fastener terminal block (J4) terminal be connected one by one.
5. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 4, which is characterized in that institute
Solenoid connecting band (4) is stated to include insulated conductor band and be separately positioned on the insulated conductor the 5th being flexible coupling public affairs with both ends
Head snap-fastener terminal block (J5) and the 6th is flexible coupling male connector snap-fastener terminal block (J6)；Setting is more inside the solenoid connecting band (4)
Root parallel wire；It is led inside the parallel wire solenoid tape wrap (3) being wherein arranged inside the solenoid connecting band (4)
Line is one few；The both ends of the more parallel wires are flexible coupling with the described 5th male connector snap-fastener terminal block (J5) and the 6th that is flexible coupling
The connecting terminal of male connector snap-fastener terminal block (J6) is connected one by one；Described 5th is flexible coupling male connector snap-fastener terminal block (J5) and described the
Two are flexible coupling female snap-fastener terminal block (J2) connection, and the described 6th is flexible coupling male connector snap-fastener terminal block (J6) and the 4th soft company
Connect female snap-fastener terminal block (J4) connection.
6. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 5, which is characterized in that institute
Stating alarm bell light field failure indicator (5) includes current-limiting resistance (R13), warning light (BJ1), emergency alarm bell (BJ2)；The current limliting
One end of resistance (R13) connects the described first the 7th terminal (L) being flexible coupling in female snap-fastener terminal block (J1), the other end and institute
The one end for stating warning light (BJ1) is connected；The other end of the warning light (BJ1) connects one end of the emergency alarm bell (BJ2), described
The other end of emergency alarm bell (BJ2) is connected on the 8th terminal (N) that the third is flexible coupling in female snap-fastener terminal block (J3).
7. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 6, which is characterized in that institute
Stating single chip computer measurement communication module (6) includes single-chip microcontroller (IC1), standard voltage source (IC2), 485 wireless communication modules (IC3),
Power module (P1), the 7th connecting terminal block (J7) and multiple sampling divider resistances；The wherein single-chip microcontroller (IC1), described
Standard voltage source (IC2) and 485 wireless communication module (IC3) are powered by the power module (P1), the standard electric
The standard voltage signal output of potential source (IC2) is connected to the AD0 end feet of the single-chip microcontroller (IC1)；
The serial ports of the single-chip microcontroller (IC1) is connect with the serial ports of 485 wireless communication modules (IC3), the 7th connecting terminal block
(J7) the 11st terminal (Y11), the tenth two-terminal (Y12), the 13rd terminal (Y13), the 17th terminal (L2) on respectively with
Described first be flexible coupling first terminal (Y1) in female snap-fastener terminal block (J1), Second terminal (Y2), third terminal (Y3) and
7th terminal (L) connects one to one respectively；The 14th terminal (Y14) on 7th connecting terminal block (J7), the 15th
Terminal (Y15), the 16th terminal (Y16), the 18th terminal (N2) are flexible coupling with the third female snap-fastener terminal block respectively
(J3) forth terminal (Y4), the 5th terminal (Y5), the 6th terminal (Y6) and the 8th terminal (N) on connect one to one respectively；
One end of 14th divider resistance (R14) is connected on the 13rd terminal (Y13), the 14th divider resistance (R14)
The other end connect the 15th divider resistance (R15)；The other end of 14th divider resistance is also connected with the single-chip microcontroller
(IC1) AD3 end feet, the other end of the 15th divider resistance (R15) connect the IO1 end feet of the single-chip microcontroller (IC1)；The
One end of 16 divider resistances (R16) is connected on the 11st upper terminal (Y11) of the 7th connecting terminal block (J7), institute
The other end for stating the 16th divider resistance (R16) is connected to one end of the 17th divider resistance (R17), the 16th partial pressure electricity
The other end of resistance (R16) is also connected with the AD2 end feet of the single-chip microcontroller (IC1)；The other end of 17th divider resistance (R17)
Connect the IO2 end feet of the single-chip microcontroller (IC1)；One end of 18th divider resistance (R18) connects the 7th connecting terminal block
(J7) other end of the 14th upper terminal (Y14), the 18th divider resistance (R18) connects the 19th divider resistance
(R19) one end；The other end of 18th divider resistance (R18) is also connected with the AD4 end feet of the single-chip microcontroller (IC1), institute
The other end for stating the 19th divider resistance (R19) connects the IO3 end feet of the single-chip microcontroller (IC1)；20th divider resistance (R20)
One end connect the 16th upper terminal (Y16) of the 7th connecting terminal block (J7), the 20th divider resistance (R20)
The other end be connected to one end of the 21st divider resistance (R21), the other end of the 20th divider resistance (R20) also connects
The AD5 end feet of the single-chip microcontroller (IC1) is connect, the other end of the 21st divider resistance (R21) connects the single-chip microcontroller
(IC1) IO4 end feet；One end of 22nd divider resistance (R22) connects the tenth on the 7th connecting terminal block (J7)
Seven terminals (L2)；The other end of 22nd divider resistance (R22) is connected to the one of the 23rd divider resistance (R23)
End, the other end of the 22nd divider resistance (R22) are also connected with the AD1 terminal of the single-chip microcontroller (IC1), and the described 20th
The other end of three divider resistances (R23) connects the 18th terminal (N2) on the 7th connecting terminal block (J7)；
Vcc terminal on 7th connecting terminal block (J7) connects positive, the described monolithic of the power module (P1) simultaneously
The Vcc terminal of machine (IC1), the power pins of the standard voltage source (IC2), 485 wireless communication module (IC3) power supply
Pin and the 15th terminal (Y15) and the tenth two-terminal (Y12) on the 7th connecting terminal block (J7)；Described 7th
The Gnd terminal of connecting terminal block (J7) and grounding pin, 485 wireless communication module of the standard voltage source (IC2)
(IC3) the 18th terminal (N2) on grounding pin and the 7th connecting terminal block (J7) is connected.
8. any cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 1~7, feature
It is, the upper/lower terminal setting of the varistor wiring leading-out end band (1) and varistor wiring extraction tail band (2)
Detachable connecting device.
9. cable surface magnetic leakage and mechanical wave combined failure detecting and warning system according to claim 8, which is characterized in that institute
Stating detachable connecting device is elastic force hook and elastic force hangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128417.0A CN109188175B (en) | 2018-09-27 | 2018-09-27 | Cable surface magnetic leakage and mechanical wave composite fault detection alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128417.0A CN109188175B (en) | 2018-09-27 | 2018-09-27 | Cable surface magnetic leakage and mechanical wave composite fault detection alarm system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109188175A true CN109188175A (en) | 2019-01-11 |
| CN109188175B CN109188175B (en) | 2023-09-08 |
Family
ID=64906439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128417.0A Active CN109188175B (en) | 2018-09-27 | 2018-09-27 | Cable surface magnetic leakage and mechanical wave composite fault detection alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109188175B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157541A (en) * | 1977-10-26 | 1979-06-05 | Malor Mfg. Inc. | Device for detecting cable insulation faults |
| GB2082406A (en) * | 1980-04-22 | 1982-03-03 | Domenco Wayne David | Monitoring electrical cables and joints for the ingress of moisture |
| JPH0442071A (en) * | 1990-06-06 | 1992-02-12 | Sumitomo Electric Ind Ltd | Detecting method for zone of wire shielding plastic power cable |
| US5767684A (en) * | 1992-11-05 | 1998-06-16 | N.V. Kema | Method and apparatus for measuring partial discharges in cables |
| KR20120092978A (en) * | 2011-02-14 | 2012-08-22 | 한국전력공사 | Apparatus and method for warning approach for live wire |
| CN206161717U (en) * | 2016-10-18 | 2017-05-10 | 山东安达尔信息科技有限公司 | Utility tunnel power cable discharge current monitoring devices |
| CN206649089U (en) * | 2017-03-21 | 2017-11-17 | 国网浙江省电力公司电力科学研究院 | The transition joint of high-tension cable plug-in and cable testing apparatus are used in one kind experiment |
| CN108121324A (en) * | 2016-11-28 | 2018-06-05 | 科勒公司 | Output cable measures |
| CN108181552A (en) * | 2018-01-17 | 2018-06-19 | 武汉科技大学 | Buried cable fault detection system and its fault detection method |
| CN208953638U (en) * | 2018-09-27 | 2019-06-07 | 国网辽宁省电力有限公司大连供电公司 | Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system |
-
2018
- 2018-09-27 CN CN201811128417.0A patent/CN109188175B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157541A (en) * | 1977-10-26 | 1979-06-05 | Malor Mfg. Inc. | Device for detecting cable insulation faults |
| GB2082406A (en) * | 1980-04-22 | 1982-03-03 | Domenco Wayne David | Monitoring electrical cables and joints for the ingress of moisture |
| JPH0442071A (en) * | 1990-06-06 | 1992-02-12 | Sumitomo Electric Ind Ltd | Detecting method for zone of wire shielding plastic power cable |
| US5767684A (en) * | 1992-11-05 | 1998-06-16 | N.V. Kema | Method and apparatus for measuring partial discharges in cables |
| KR20120092978A (en) * | 2011-02-14 | 2012-08-22 | 한국전력공사 | Apparatus and method for warning approach for live wire |
| CN206161717U (en) * | 2016-10-18 | 2017-05-10 | 山东安达尔信息科技有限公司 | Utility tunnel power cable discharge current monitoring devices |
| CN108121324A (en) * | 2016-11-28 | 2018-06-05 | 科勒公司 | Output cable measures |
| CN206649089U (en) * | 2017-03-21 | 2017-11-17 | 国网浙江省电力公司电力科学研究院 | The transition joint of high-tension cable plug-in and cable testing apparatus are used in one kind experiment |
| CN108181552A (en) * | 2018-01-17 | 2018-06-19 | 武汉科技大学 | Buried cable fault detection system and its fault detection method |
| CN208953638U (en) * | 2018-09-27 | 2019-06-07 | 国网辽宁省电力有限公司大连供电公司 | Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system |
Non-Patent Citations (1)
| Title |
|---|
| 石文江 等: "铁磁谐振在调度端的典型特征", 电力系统自动化, vol. 39, no. 7, pages 194 - 197 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109188175B (en) | 2023-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109752634B (en) | Cable joint resonant mutual inductance partial discharge detection device and detection method | |
| CN208953638U (en) | Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system | |
| CN207924875U (en) | A kind of detection of gas alarm system for GIL piping lanes | |
| CN109188175A (en) | Cable surface magnetic leakage and mechanical wave combined failure detecting and warning system | |
| CN208805555U (en) | A kind of cable connector partial discharge detection capacitance sensor | |
| CN111103515A (en) | Built-in cable partial discharge detection device and method | |
| CN114019424A (en) | Cable joint with fault induction structure and fault induction system thereof | |
| CN206312323U (en) | A kind of long distance electric fire alarm monitoring system | |
| CN88210103U (en) | Leakage detector for composite insulation pipeline | |
| CN207866957U (en) | The test device of cable | |
| CN104749486B (en) | A kind of IT system single-phase fault localization method based on residual current operated protective device | |
| CN206378569U (en) | A kind of voltage relay abnormal detector | |
| CN203925890U (en) | A kind of blade with loop-type ground wire | |
| CN202487277U (en) | Fully water-blocking intelligent ultra-high voltage power cable | |
| CN207488412U (en) | A kind of Beam Detector | |
| CN205539154U (en) | High voltage electrified display locking apparatus | |
| CN210894569U (en) | Resonant mutual inductance partial discharge detection device for cable joint | |
| CN205283067U (en) | Cable termination with temperature alarm function | |
| CN211698045U (en) | Electric line insulation detection auxiliary device | |
| CN209642284U (en) | A kind of branch cable connecting box | |
| CN217587559U (en) | Power maintenance is with detection pen that whether multistage detection is electric leakage | |
| CN106771937B (en) | A kind of novel local discharge test platform | |
| CN214750659U (en) | Whole machine insulation monitoring device for port crane | |
| CN210894561U (en) | Sensor for power cable signal acquisition | |
| CN103592561A (en) | Device for detecting current mutual inductor secondary wiring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |