CN108680831A - A kind of cable fault detection instrument - Google Patents
A kind of cable fault detection instrument Download PDFInfo
- Publication number
- CN108680831A CN108680831A CN201810499922.XA CN201810499922A CN108680831A CN 108680831 A CN108680831 A CN 108680831A CN 201810499922 A CN201810499922 A CN 201810499922A CN 108680831 A CN108680831 A CN 108680831A
- Authority
- CN
- China
- Prior art keywords
- conducting wire
- detection instrument
- fault detection
- jack
- cable fault
- 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.)
- Withdrawn
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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
- G01R31/08—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
-
- 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
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
Abstract
The present invention provides a kind of cable fault detection instrument, is related to detector field.The detector,Including body and crocodile clip,Current sampler,The top of body, which is run through, button,And indicator light is provided on the left of button,The rear of indicator light is fixed with adjuster,The left end of indicator light, which runs through, display screen,The right of display screen is fixedly connected with storage pocket,And the lower section of storage pocket is through there is jack,The lower end of jack is connected with conducting wire,Control panel is fixed with below display screen,This kind of cable fault detection instrument,It is provided with variable resistance,When short circuit occurs for cable,It can cause larger current,At this time,Voltage is constant,Electric current becomes larger,Variable resistance energy self adjusting resistance becomes smaller,Prevent the excessive damage for causing detector of electric current,The data collecting system of electric connection,It can carry out the collection and calculating of electric current and resistance data,It can recognize the relevant information of tested cable,To improve whole functionality,With good development space.
Description
Technical field
The present invention relates to detector field, specially a kind of cable fault detection instrument.
Background technology
Cable tester is according to China-styled Certain Industry Field standard ZBF 24003-90《Portable cable detector general technology item
Part》Requirement, current research, design, manufacture, are the sci-tech products of new era --- portable cable detector is applicable
Zinc-Oxide Arrester, magnetic blow-out are kept away in power department, industrial enterprise's power department, R＆D institution, railway, chemical industry, power plant etc.
The equipment such as thunder device, power cable, generator, transformer, switch carry out DC high potential test, are new century optimal replacement productions
Product, cable tester use high frequency voltage-multiplying circuit, take the lead in that newest PWM high-frequency pulsed width modulations technology, closed loop adjustment is applied to use
The big feedback of voltage, makes voltage-regulation coefficient increase substantially, the high-power IGBT device and its actuation techniques of performance brilliance,
And according to Electro Magnetic Compatibility theory, using measures such as special shielding, isolation and ground connection.Make cable tester realize high-quality,
It is portable, and rated voltage electric discharge can be born without damaging.
But existing cable fault detection instrument, it is not accurate enough for the measurement of detector, it is not convenient enough carrying and detecting,
Safety is incomplete, and the functionality of detector is less, and the damage of detector is be easy to cause when Current Voltage is excessively high.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of cable fault detection instruments, solve cable event mentioned above
Hinder detector, not accurate enough for the measurement of detector, not convenient enough carrying and detecting, safety is incomplete, and detects
The functionality of instrument is less, and the damage problem of detector is be easy to cause when Current Voltage is excessively high.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of cable fault detection instrument, including body
With crocodile clip, current sampler, the top of the body, which is run through, button, and indicator light is provided on the left of button, the finger
Show that the rear of lamp is fixed with adjuster, the left end of the indicator light, which runs through, has display screen, the right of the display screen to be fixedly connected
There is storage pocket, and the lower section of storage pocket, through having jack, the lower end of the jack to be connected with conducting wire, the lower section of the display screen is solid
Surely there is control panel, and be installed with data collecting system below control panel, the left side of the data collecting system is viscous
Soft rubber cushion is posted, the lower end of the button is fixed with accumulator, and impulse sender is provided on the left of accumulator, the pulse
The upper end of transmitter is connected with pulse receiver, and the inner lower of the body is equipped with automatic gain control circuit, and automatic
Current inductor is provided with below gain control circuit, the right of the current inductor is fixed with balancing circuitry, and balances
Variable resistance is installed on the right side of circuit.
Preferably, the variable resistance is in " cylinder " shape, and variable resistance is electrically connected at data acquisition system
System and control panel.
Preferably, the balancing circuitry is electrically connected at impulse sender and pulse receiver, and balancing circuitry electrically connects
It is connected to jack.
Preferably, the current sampler is in " cylinder " shape, and the upper and lower ends of current sampler are connected with and lead
Line, the current sampler are connected to jack by conducting wire.
Preferably, the body is in " groove " shape, and soft rubber cushion is pasted in the groove of body, and the hand handle activity connects
It is connected to the side of body.
Preferably, the quantity of the conducting wire is four, and the both ends of conducting wire are in " cylinder " shape, one end of the conducting wire
Through jack.
Preferably, the quantity of the storage pocket is two, and storage pocket is set in the groove of body lid.
（Three）Advantageous effect
The present invention provides a kind of cable fault detection instruments, have following advantageous effect：
1, the detector, the variable resistance A19 by setting is in " cylinder " shape, and variable resistance A19 is electrically connected
Larger current can be caused when short circuit occurs for cable in data collecting system A11 and control panel A12, at this point, voltage is constant,
Electric current becomes larger, and variable resistance A19 energy self adjusting resistance sizes prevent the excessive damage for causing detector interior fittings of electric current
Bad, the data collecting system A11 of electric connection can carry out the collection and calculating of electric current and resistance data, can recognize tested
The relevant information of cable, to improve whole functionality.
2, the detector is electrically connected at impulse sender A13 and pulse receiver by the balancing circuitry A17 of setting
A14, and balancing circuitry A17 is electrically connected at jack A07, is attached by crocodile clip A09 and tested cable, then controls arteries and veins
It rushes transmitter A13 and carries out impulse ejection, pulse transmission signals automatically form the pulse signal of one fixed width, followed by control
Adjuster A03 adjustable and balancing circuit A17, this pulse are converted into the transmitting pulse of amplitude through balancing circuitry A17, finally make by
The transmitting pulse of the characteristic impedance and amplitude of surveying cable matches, the docking collection of letters number when can effectively reduce transmitting pulse
Influence, prominent reflected pulse signal carries out pulse collection processing, by data transfer by data collecting system A11
It is shown to control panel A12 and control display screen A05, by the oscillogram of display, the position of failure judgement point can be convenient for
It sets, to improve the accuracy of detection of cable fault detection instrument.
3, the detector, what it is by the current sampler A18 of setting is in " cylinder " shape, and current sampler A18
Upper and lower ends are connected with conducting wire A08, and current sampler A18 is connected to jack A07 by conducting wire A08, and current sampler A18 is led to
It crosses conducting wire A08 to be attached, after the completion of connection, presses and sampled An Key A02, detector enters waiting sample states, adjustment
Ball discharge gap, by the way that tested cable boosting, voltage is raised to certain value, and discharge ball-gap discharge, detector wave recording, according to wave
Shape size can readjust input amplitude, and repeated sampling can calculate fault point from the oscillogram of test, to improve
Whole functionality.
4, the detector is in " groove " shape by the body A01 of setting, and soft rubber cushion A10 is pasted on the recessed of body A01
In slot, hand handle is movably connected on the side of body A01, and the soft rubber cushion A10 pasted in the groove of body A01 is played to the detection
Protection inside instrument when the detector is dropped, does not easily cause the damage of interior fittings, and can also effectively be detected inside and outside instrument
Insulation, detector damage when, do not interfere with outside, ensured the safety of staff, pass through the hand handle of flexible connection, energy
Very easily detector is carried, to improve whole convenience and safety.
5, the detector, the quantity by the conducting wire A08 of setting are four, and the both ends of conducting wire A08 are in " cylinder " shape
One end of shape, conducting wire A08 can easily be detected the hyperphoric of tool very much through jack A07 by conducting wire A08, reduce
The use dosage of conducting wire A08, allows conducting wire A08 not easily cause mutual winding so that carries and use is all very convenient, to carry
High whole convenience.
6, the detector, the quantity by the storage pocket A06 of setting are two, and storage pocket A06 is set to body A01 lids
In the groove of son, storage pocket A06 can store detection instrument, be closed by slide fastener, can be packed into detection instrument
It is carried together in body A01, reduces the trouble of carrying, to improve whole convenience.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is organism internal structure schematic diagram of the present invention；
Fig. 3 is internal body part-structure schematic diagram of the present invention；
Fig. 4 is current sampler attachment structure schematic diagram of the present invention；
Fig. 5 is crocodile clip structural schematic diagram of the present invention；
Fig. 6 is electrical block diagram of the present invention.
In figure：A01, body, A02, button, A03, adjuster, A04, indicator light, A05, display screen, A06, storage pocket,
A07, jack, A08, conducting wire, A09, crocodile clip, A10, soft rubber cushion, A11, data collecting system, A12, control panel, A13, arteries and veins
Rush transmitter, A14, pulse receiver, A15, accumulator, A16, current inductor, A17, balancing circuitry, A18, current sampling
Device, A19, variable resistance, A20, automatic gain control circuit.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of cable fault detection instrument, as shown in figures 1 to 6, including body（A01）And crocodile clip
（A09）, current sampler（A18）, body（A01）Top through there is button（A02）, and button（A02）Left side be provided with
Indicator light（A04）, indicator light（A04）Rear be fixed with adjuster（A03）, indicator light（A04）Left end through there is display screen
（A05）, display screen（A05）Right be fixedly connected with storage pocket（A06）, and storage pocket（A06）Lower section through there is jack
（A07）, jack（A07）Lower end be connected with conducting wire（A08）, display screen（A05）Lower section be fixed with control panel（A12）, and
Control panel（A12）Lower section be installed with data collecting system（A11）, data collecting system（A11）Left side be pasted with
Soft rubber cushion（A10）, button（A02）Lower end be fixed with accumulator（A15）, and accumulator（A15）Left side be provided with pulse hair
Emitter（A13）, impulse sender（A13）Upper end be connected with pulse receiver（A14）, body（A01）Inner lower installation
There is automatic gain control circuit（A20）, and automatic gain control circuit（A20）Lower section be provided with current inductor（A16）, electricity
Flow inductor（A16）Right be fixed with balancing circuitry（A17）, and balancing circuitry（A17）Right side variable resistance is installed
（A19）, variable resistance（A19）In " cylinder " shape, and variable resistance（A19）It is electrically connected at data collecting system
（A11）And control panel（A12）, balancing circuitry（A17）It is electrically connected at impulse sender（A13）And pulse receiver（A14）,
And balancing circuitry (A17) is electrically connected at jack (A07), current sampler (A18) is in " cylinder " shape, and current sampling
Device（A18）Upper and lower ends be connected with conducting wire（A08）, current sampler（A18）Pass through conducting wire（A08）It is connected to jack（A07）,
Body（A01）In " groove " shape, and soft rubber cushion（A10）It is pasted on body（A01）Groove in, hand handle is movably connected on body
（A01）Side, conducting wire（A08）Quantity be two, and conducting wire（A08）Both ends be in " cylinder " shape, conducting wire（A08）'s
One end is through jack（A07）, storage pocket（A06）Quantity be two, and storage pocket（A06) it is set to body（A01) lid
Groove in.
Concrete principle：In use, body（A01 the soft rubber cushion (A10) pasted in groove), plays the guarantor to the detector
Shield does not easily cause interior fittings damage, and can also effectively carry out external insulation, has ensured work when the detector is dropped
The both ends of the safety of personnel, conducting wire (A08) are in " cylinder " shape, can easily be detected very much the replacement of tool, reduce
The use dosage of conducting wire (A08) allows conducting wire (A08) not easily cause mutual winding, then, a variety of measurements can be taken by detector
Method passes through crocodile clip（A09 it) is attached with tested cable, then controls impulse sender (A13) and carry out impulse ejection, pulse
Transmitting signal automatically forms the pulse signal of one fixed width, followed by control and regulation device（A03) adjustable and balancing circuit
(A17), this pulse is converted into the transmitting pulse of amplitude through balancing circuitry (A17), finally make the characteristic impedance of tested cable with
The transmitting pulse of amplitude matches, and the influence of the docking collection of letters number, protrusion reflect when can effectively reduce transmitting pulse
Pulse signal, by data collecting system (A11) carry out pulse collection processing, pass data to control panel (A12) and
Control display screen (A5) is shown, by the oscillogram of display, can be convenient for the position of failure judgement point, be improved cable event
The accuracy of detection for hindering detector, for high resistant leaks and high resistant flashover cable fault when, current sampler (A18) is logical
It crosses conducting wire (A08) to be attached, after the completion of connection, presses and sampled An Key (A02), detector enters waiting sample states,
Ball discharge gap is adjusted, by the way that tested cable boosting, voltage is raised to certain value, and discharge ball-gap discharge, detector wave recording, root
Input amplitude can be readjusted according to size waveforms, repeated sampling can calculate fault point from the oscillogram of test, subsequently,
When short circuit occurs for cable, larger current can be caused, at this point, voltage is constant, electric current becomes larger, variable resistance（It A19) can be automatic
Regulation resistance size prevents the excessive damage for causing detector of electric current, the data collecting system (A11) of electric connection from can carry out
The collection and calculating of electric current and resistance data, can recognize the relevant information of tested cable, after the completion of detection, by detection instrument
It is packed into storage pocket (A06), is closed by slide fastener, detection instrument can be packed into body (A01) and be carried together, subtracted
The trouble carried is lacked, to improve whole practicability and safety.
In conclusion the detector, passes through the variable resistance of setting（A19）In " cylinder " shape, and variable resistance
Device A19 is electrically connected at data collecting system（A11）And control panel（A12）, when short circuit occurs for cable, larger electricity can be caused
Stream, at this point, voltage is constant, electric current becomes larger, variable resistance（A19）Energy self adjusting resistance size, prevents electric current is excessive from causing
The damage of detector interior fittings, the data collecting system of electric connection（A11）, can carry out electric current and resistance data collection and
It calculates, the relevant information of tested cable can be recognized, to improve whole functionality.
Secondly, pass through the balancing circuitry of setting（A17）It is electrically connected at impulse sender（A13）And pulse receiver
（A14）, and balancing circuitry（A17）It is electrically connected at jack（A07）, pass through crocodile clip（A09）It is attached, connects with tested cable
Control impulse sender（A13）Impulse ejection is carried out, pulse transmission signals automatically form the pulse signal of one fixed width, immediately
It by controlling to adjust device（A03）Adjustable and balancing circuit（A17）, this pulse is through balancing circuitry（A17）It is converted into amplitude
Emit pulse, the transmitting pulse of the characteristic impedance and amplitude that finally make tested cable matches, and can effectively reduce hair
The influence of the docking collection of letters number when penetrating pulse, prominent reflected pulse signal pass through data collecting system（A11）Carry out pulse
Collection is handled, and passes data to control panel（A12）And control display screen（A05）It is shown, by the oscillogram of display,
It can be convenient for the position of failure judgement point, to improve the accuracy of detection of cable fault detection instrument.
Also, the current sampler for passing through setting（A18）Be in " cylinder " shape, and current sampler（A18）It is upper
Lower both ends are connected with conducting wire（A08）, current sampler（A18）Pass through conducting wire（A08）It is connected to jack（A07）, by current sampling
Device（A18）Pass through conducting wire（A08）It is attached, after the completion of connection, presses An Key（A02）It is sampled, detector enters waiting
Sample states adjust ball discharge gap, by the way that tested cable boosting, voltage is raised to certain value, and discharge ball-gap discharge, detector note
Recording shape can readjust input amplitude according to size waveforms, and repeated sampling can be calculated and be out of order from the oscillogram of test
Point, to improve whole functionality.
Also, the body for passing through setting（A01）In " groove " shape, and soft rubber cushion（A10）It is pasted on body（A01）It is recessed
In slot, hand handle is movably connected on body（A01）Side, body（A01）Groove in paste soft rubber cushion（A10）, play pair
Protection inside the detector when detector is dropped, does not easily cause the damage of interior fittings, and can also effectively be detected
Insulation inside and outside instrument does not interfere with outside, has ensured the safety of staff, passed through flexible connection when detector damages
Hand handle can easily carry detector very much, to improve whole convenience and safety.
Also, the conducting wire for passing through setting（A08）Quantity be four, and conducting wire（A08）Both ends be in " cylinder " shape,
Conducting wire（A08）One end through jack（A07）, pass through conducting wire（A08）, it can be easily detected very much the hyperphoric of tool,
The use dosage for reducing conducting wire (A08), allows conducting wire（A08）Mutual winding is not easily caused so that is carried and using all very square
Just, to improve whole convenience.
Also, it is two by the quantity of the storage pocket of setting (A06), and storage pocket (A06) is set to body (A01) lid
In the groove of son, storage pocket (A06) can store detection instrument, be closed by slide fastener, can fill detection instrument
Enter body（A01）It is inside carried together, reduces the trouble of carrying, to improve whole convenience.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of cable fault detection instrument, including body（A01）And crocodile clip（A09）, current sampler（A18）, feature exists
In：The body（A01）Top through there is button（A02）, and button（A02）Left side be provided with indicator light（A04）, described
Indicator light（A04）Rear be fixed with adjuster（A03）, the indicator light（A04）Left end through there is display screen（A05）, institute
State display screen（A05）Right be fixedly connected with storage pocket（A06）, and storage pocket（A06）Lower section through there is jack（A07）,
The jack（A07）Lower end be connected with conducting wire（A08）, the display screen（A05）Lower section be fixed with control panel（A12）,
And control panel（A12）Lower section be installed with data collecting system（A11）, the data collecting system（A11）Left side
It is pasted with soft rubber cushion（A10）, the button（A02）Lower end be fixed with accumulator（A15）, and accumulator（A15）Left side set
It is equipped with impulse sender（A13）, the impulse sender（A13）Upper end be connected with pulse receiver（A14）, the body
（A01）Inner lower automatic gain control circuit is installed（A20）, and automatic gain control circuit（A20）Lower section setting
There is current inductor（A16）, the current inductor（A16）Right be fixed with balancing circuitry（A17）, and balancing circuitry
（A17）Right side variable resistance is installed（A19）.
2. a kind of cable fault detection instrument according to claim, it is characterised in that：The variable resistance（A19）It is in
" cylinder " shape, and variable resistance（A19）It is electrically connected at data collecting system（A11）And control panel（A12）.
3. a kind of cable fault detection instrument according to claim 1, it is characterised in that：The balancing circuitry（A17）Electrically
It is connected to impulse sender（A13）And pulse receiver（A14）, and balancing circuitry (A17) is electrically connected at jack (A07).
4. a kind of cable fault detection instrument according to claim 1, it is characterised in that：The current sampler (A18)
In " cylinder " shape, and current sampler（A18）Upper and lower ends be connected with conducting wire（A08）, the current sampler（A18）
Pass through conducting wire（A08）It is connected to jack（A07）.
5. a kind of cable fault detection instrument according to claim 1, it is characterised in that：The body（A01）In " groove "
Shape, and soft rubber cushion（A10）It is pasted on body（A01）Groove in, the hand handle is movably connected on body（A01）Side.
6. a kind of cable fault detection instrument according to claim 1, it is characterised in that：The conducting wire（A08）Quantity be
Four, and conducting wire（A08）Both ends be in " cylinder " shape, the conducting wire（A08）One end through jack（A07）.
7. a kind of cable fault detection instrument according to claim 1, it is characterised in that：The storage pocket（A06）Quantity
It it is two, and storage pocket（A06) it is set to body（A01) in the groove of lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499922.XA CN108680831A (en) | 2018-05-23 | 2018-05-23 | A kind of cable fault detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499922.XA CN108680831A (en) | 2018-05-23 | 2018-05-23 | A kind of cable fault detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108680831A true CN108680831A (en) | 2018-10-19 |
Family
ID=63808025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499922.XA Withdrawn CN108680831A (en) | 2018-05-23 | 2018-05-23 | A kind of cable fault detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108680831A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174582A (en) * | 2019-05-01 | 2019-08-27 | 湖南同力检测咨询有限公司 | A kind of multi-functional cable Measuring error device |
| CN111856173A (en) * | 2019-04-26 | 2020-10-30 | 中国北方车辆研究所 | Fault detection device and method for electromagnetic compatibility system |
-
2018
- 2018-05-23 CN CN201810499922.XA patent/CN108680831A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856173A (en) * | 2019-04-26 | 2020-10-30 | 中国北方车辆研究所 | Fault detection device and method for electromagnetic compatibility system |
| CN111856173B (en) * | 2019-04-26 | 2023-07-25 | 中国北方车辆研究所 | Fault detection device and method for electromagnetic compatibility system |
| CN110174582A (en) * | 2019-05-01 | 2019-08-27 | 湖南同力检测咨询有限公司 | A kind of multi-functional cable Measuring error device |
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Application publication date: 20181019 |