CN206400051U - Eight subpulse method electric cable failure detectors - Google Patents
Eight subpulse method electric cable failure detectors Download PDFInfo
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- CN206400051U CN206400051U CN201621277404.6U CN201621277404U CN206400051U CN 206400051 U CN206400051 U CN 206400051U CN 201621277404 U CN201621277404 U CN 201621277404U CN 206400051 U CN206400051 U CN 206400051U
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- electric cable
- subpulse
- subpulses
- failure detector
- interface
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Abstract
Eight subpulse method electric cable failure detectors, including electric cable failure detector, eight subpulse generators and eight subpulse automatic initiating devices, the front of electric cable failure detector are provided with display screen；The eight subpulses generator and eight subpulse automatic initiating devices are packaged in main casing, and the reverse side of the main casing is provided with high input voltage interface, High voltage output interface, system earth interface, cable grounding interface and pulse output interface；Eight subpulse generators and eight subpulse automatic initiating devices collectively constitute eight subpulses and occur trigger assembly, and eight subpulse occurs trigger assembly and is connected with electric cable failure detector, high pressure generator and failure cable；The eight subpulses method electric cable failure detector sent while impulse high voltage flashover different delayed time one group of eight fault test pulse and one group of cable total length test pulse, eliminate it is bulky it is middle calendering arc device, simplify means of testing, be worth promoting.
Description
Technical field
The utility model is related to cable detection technical field, especially a kind of to be used to detect that the high resistant of various power cables is let out
Leak eight subpulse method electric cable failure detectors of failure, flashover failure, low-impedance earthed system and open circuit fault.
Background technology
In power equipment, the conveying of the unimpeded and electric power of wire communication depends on the normal operation of cable run.Once
Obstacle occurs for circuit, will result in communication and the interruption of electric power, such as can not find failure in time and be excluded rapidly, Jiu Huizao
Into very big economic loss and bad social influence.Thus, electric cable failure detector is the important tool for safeguarding various cables.
Electric cable failure detector is a set of comprehensive Cable fault examination equipment, for power cable open circuit, short circuit, ground connection, low-resistance,
The test of high resistant flashover and high resistant leaks failure, and the open circuit of coaxial communications cable and local cable, short trouble
Accurate test；It can be tested the speed with test cable path, buried depth, and electric wave, appraise and decide cable length etc., and cable archives can be set up
So that regular maintenance is managed.
The high resistant leakage failure of various power cables is detected using secondary pulse process more than electric cable failure detector now, dodged
Network failure, low-impedance earthed system and open circuit fault, secondary pulse process electric cable failure detector need secondary in order to obtain an ideal
Impulse waveform and constantly in testing regulation test pulse time delay, it is necessary to be equipped with it is bulky it is middle calendering arc equipment, in order to
The accuracy of detection is improved, the efficiency of detection is improved, it is necessary to design a kind of new electric cable failure detector to solve these
Problem.
Utility model content
The utility model aims to provide a kind of one group of eight failure that different delayed time is sent while impulse high voltage flashover
Test pulse and one group of cable total length test pulse, allow operating personnel to select one from eight fault waveforms and are most easy to analysis
Failure reflection configuration, be similar to Low Voltage Impulse Method by what complicated impacting with high pressure flashover waveform became very easy interpretation
Short trouble waveform, eliminate it is bulky it is middle calendering arc device, simplify means of testing, provide the user more simple and direct
Eight subpulse method electric cable failure detectors of fault waveform determination methods.
To achieve the above object, the utility model provides following technical scheme：Eight subpulse method electric cable failure detectors, bag
Electric cable failure detector, eight subpulse generators and eight subpulse automatic initiating devices are included, the front of electric cable failure detector is set
There is display screen, the side of display screen is provided with several interfaces, several indicator lamps and several control buttons；The eight subpulses generator
It is packaged in eight subpulse automatic initiating devices in main casing, the reverse side of the main casing is defeated provided with high input voltage interface, high pressure
Outgoing interface, system earth interface, cable grounding interface and pulse output interface；Eight subpulse generators and eight subpulses are touched automatically
Transmitting apparatus collectively constitutes eight subpulses and occurs trigger assembly, and trigger assembly and electric cable failure detector, height occur for eight subpulse
Press generator and failure cable connection.
It is used as further scheme of the present utility model：Several interfaces include pulse input interface, charging inlet and USB
Interface.
It is used as further scheme of the present utility model：Several indicator lamps dodge indicator lamp, pulse comprising eight punchings and indicated
Lamp and under-voltage indicator lamp.
It is used as further scheme of the present utility model：Several control buttons comprising vertical displacement key, input amplitude key,
Self-inspection key and power switch key, several control buttons are touch key-press.
It is used as further scheme of the present utility model：The display screen is liquid crystal display.
It is used as further scheme of the present utility model：The electric cable failure detector is provided with standard printer interface.
It is used as further scheme of the present utility model：Power module is provided with the electric cable failure detector.
Compared with prior art, the beneficial effects of the utility model are：The eight subpulses method electric cable failure detector has
Advantages below：First, the high and low resistance failure of all cables of 35KV level below can be surveyed, is adapted to wide；
2nd, using state-of-the-art " the eight subpulse methods " measuring technology in the world, while also having traditional impulse high voltage flashover
Method and Low Voltage Impulse Method；
3rd, simplest similar action of low-voltage pulse short trouble wave character, easily interpretation is presented in any high resistive fault；
4th, operated with the software and full menu in Chinese that facilitate user and fluorescent screen touch key-press.It is simply bright by key definition
.Measuring method is simple and quick；
5th, detection failure success rate, measuring accuracy and convenient test degree are better than domestic any detection device；
6th, super large liquid crystal display is as display terminal, and instrument has powerful data-handling capacity and friendly display interface；
7th, with extremely safe sampling high voltage protective measure.Tester will not crash and damage in impulse high voltage environment
It is bad；
8th, with standard printer interface；
9th, simple to operate, reliability is high.With high cost performance；
Tenth, without testing blind zone；
11, built-in power, can non-transformer environmental testing cable open circuit and low-resistance short trouble.
The utility model is grow up on the basis of currently advanced secondary pulse process Sampling techniques another newest
Electric cable failure detector.In addition to all advantages for possessing secondary pulse process electric cable failure detector, in the same of impulse high voltage flashover
When send one group of eight fault test pulse and one group of cable total length test pulse (the 16 test arteries and veins altogether of different delayed time
Punching).Operating personnel are allowed to select a failure reflection configuration for being most easy to analysis from eight fault waveforms.By complicated height
Pressure impulse flashover waveform becomes the short trouble waveform similar to Low Voltage Impulse Method of very easy interpretation.Eliminate bulky
Middle calendering arc device, simplifies means of testing, provide the user more simple and direct fault waveform determination methods.
Brief description of the drawings
Fig. 1 is the structural representation of electric cable failure detector of the present utility model；
Fig. 2 is the structural representation of eight subpulses generator of the present utility model；
Fig. 3 is fundamental diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1-3, the utility model embodiment, eight subpulse method electric cable failure detectors, including cable fault
Tester 1, eight subpulse generators 2 and eight subpulse automatic initiating devices 3, the front of electric cable failure detector 1 is provided with display
Screen 11, the side of display screen 11 is provided with several interfaces, several indicator lamps and several control buttons, and several interfaces include pulse input
Interface 12, charging inlet 13 and usb 14, several indicator lamps dodge indicator lamp 15, pulse indicator lamp 16 comprising eight punchings and owed
Indicator lamp 17 is pressed, several control buttons include vertical displacement key 18, input amplitude key 19, self-inspection key 20 and power switch key 21；
The eight subpulses generator 2 and eight subpulse automatic initiating devices 3 are packaged in main casing 10, the main casing
10 reverse side is provided with high input voltage interface 22, High voltage output interface 23, system earth interface 24, cable grounding interface 25 and pulse
Output interface 26.
Eight subpulse generators 2 and eight subpulse automatic initiating devices 3 collectively constitute eight subpulses and occur trigger assembly, should
Reconnection high pressure generator 4 and failure cable 5 after trigger assembly is connected with electric cable failure detector 1, which occur, for eight subpulses to enter
Row measurement.
Further, the display screen 11 is liquid crystal display.
Further, several control buttons are touch key-press.
Further, it is additionally provided with standard printer interface on the electric cable failure detector 1.
Design feature and its advantage of the present utility model：First, the high and low resistance event of all cables of 35KV level below can be surveyed
Barrier, is adapted to wide.
2nd, using state-of-the-art " the eight subpulse methods " measuring technology in the world, while also having traditional impulse high voltage flashover
Method and Low Voltage Impulse Method.
3rd, simplest similar action of low-voltage pulse short trouble wave character, easily interpretation is presented in any high resistive fault.
4th, operated with the software and full menu in Chinese that facilitate user and fluorescent screen touch key-press.It is simply bright by key definition
.Measuring method is simple and quick.
5th, detection failure success rate, measuring accuracy and convenient test degree are better than domestic any detection device.
6th, super large liquid crystal display is as display terminal, and instrument has powerful data-handling capacity and friendly display interface.
7th, with extremely safe sampling high voltage protective measure.Tester will not crash and damage in impulse high voltage environment
It is bad.
8th, with standard printer interface.
9th, simple to operate, reliability is high.With high cost performance.
Tenth, without testing blind zone.
11, built-in power, can non-transformer environmental testing cable open circuit and low-resistance short trouble.
Eight subpulse method electric cable failure detectors are developed on the basis of currently advanced secondary pulse process Sampling techniques
The another newest electric cable failure detector got up.In addition to all advantages for possessing secondary pulse process electric cable failure detector, in punching
Sent while hitting high pressure flashover different delayed time one group of eight fault test pulse and one group of cable total length test pulse (altogether
16 test pulses).Operating personnel are allowed to select a failure back wave for being most easy to analysis from eight fault waveforms
Shape.Complicated impacting with high pressure flashover waveform is become to the short trouble ripple similar to Low Voltage Impulse Method of very easy interpretation
Shape.Bulky middle calendering arc device is eliminated, means of testing is simplified, provide the user more simple and direct fault waveform and judge
Method.
Operation principle and its application method of the present utility model：If Fig. 3 is operation principle schematic diagram of the present utility model, height
The temporary impact high-voltage pulse that pressure generator 4 is produced is directed in the failure phase of failure cable 5, it is ensured that trouble point can fully be hit
Wear, and the arc duration after trouble point punctures can be extended.Meanwhile, produce trigger pulse eight subpulses of startup and touch automatically
Transmitting apparatus 3 and electric cable failure detector 1.Eight subpulse automatic initiating devices 3 successively send 16 test action of low-voltage pulse, warp immediately
Eight subpulse generators 2 are sent on tested failure cable 5.The first eight test pulse utilizes the electric current of cable arc through moment
Voltage waveform feature, will form eight failure reflected impulses.Launch eight test pulses again after the blow-out of trouble point and measure cable
Total length reflection configuration.Form eight group pulses.This eight group pulse is recorded on the half screen up and down of display screen 11 simultaneously.Per group pulse ripple
In shape, a pulse reflects the total length of cable, and another impulse waveform reflects high resistant (short circuit) fault distance of cable.This eight groups
16 test waveforms are all collected in the case of one-shot high pressure flashover.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. eight subpulse method electric cable failure detectors, including electric cable failure detector (1), eight subpulse generators (2) and eight times
Pulse automatic initiating device (3), it is characterised in that the front of electric cable failure detector (1) is provided with display screen (11), display screen
(11) side is provided with several interfaces, several indicator lamps and several control buttons；The eight subpulses generator (2) and eight arteries and veins
Automatic initiating device (3) is rushed to be packaged in main casing (10), the reverse side of the main casing (10) provided with high input voltage interface (22),
High voltage output interface (23), system earth interface (24), cable grounding interface (25) and pulse output interface (26)；Eight subpulses
Generator (2) and eight subpulse automatic initiating devices (3) collectively constitute eight subpulses and occur trigger assembly, and eight subpulse occurs
Trigger assembly is connected with electric cable failure detector (1), high pressure generator (4) and failure cable (5).
2. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that several interfaces are included
Pulse input interface (12), charging inlet (13) and USB interface (14).
3. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that several indicator lamp bags
Indicator lamp (15), pulse indicator lamp (16) and under-voltage indicator lamp (17) are dodged containing eight punchings.
4. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that several control buttons
Comprising vertical displacement key (18), input amplitude key (19), self-inspection key (20) and power switch key (21), several control buttons are
Touch key-press.
5. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that the display screen (11) is
Liquid crystal display.
6. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that the cable fault test
Instrument (1) is provided with standard printer interface.
7. eight subpulses method electric cable failure detector according to claim 1, it is characterised in that the cable fault test
Power module is provided with instrument (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277404.6U CN206400051U (en) | 2016-11-25 | 2016-11-25 | Eight subpulse method electric cable failure detectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277404.6U CN206400051U (en) | 2016-11-25 | 2016-11-25 | Eight subpulse method electric cable failure detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400051U true CN206400051U (en) | 2017-08-11 |
Family
ID=59509973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621277404.6U Expired - Fee Related CN206400051U (en) | 2016-11-25 | 2016-11-25 | Eight subpulse method electric cable failure detectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253062A (en) * | 2021-06-18 | 2021-08-13 | 广东电网有限责任公司佛山供电局 | Power cable fault inspection system based on risk hidden danger |
-
2016
- 2016-11-25 CN CN201621277404.6U patent/CN206400051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253062A (en) * | 2021-06-18 | 2021-08-13 | 广东电网有限责任公司佛山供电局 | Power cable fault inspection system based on risk hidden danger |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20181125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |