CN206331065U - Electric discontinuity of cable fault locator - Google Patents
Electric discontinuity of cable fault locator Download PDFInfo
- Publication number
- CN206331065U CN206331065U CN201621360121.8U CN201621360121U CN206331065U CN 206331065 U CN206331065 U CN 206331065U CN 201621360121 U CN201621360121 U CN 201621360121U CN 206331065 U CN206331065 U CN 206331065U
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- circuit
- signal
- cable
- fault locator
- cable fault
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Abstract
Electric discontinuity of cable fault locator, including signal transmitter and signal detection machine, signal transmitter includes oscillating circuit, oscillating circuit is connected to the first battery pack, starting switch, signal generator, the first display circuit, amplifying circuit, and amplifying circuit is connected to signal fish folder by signal wire and ground connection fish is pressed from both sides；Signal detection machine includes integrated amplifier, driving switch is provided with integrated amplifier, integrated amplifier is connected to the second battery pack, the second display circuit, warning device, detecting circuit, detecting circuit is connected with sample circuit, sample circuit is connected with handle by signal wire, and the handle other end is provided with metal probe；Metal probe is connected with signal fish folder.Solving cable detection instrument present in prior art needs to introduce external power supply, the problem of electric discontinuity of cable particular location difficulty is measured.
Description
Technical field
The utility model belongs to technical field of electricity, is related to a kind of electric discontinuity of cable fault locator.
Background technology
Many electric equipments can not normal work, prior art inspection due to the cable " breaking phase shortage " used by power supply transmission of electricity
Whether breaking survey cable, measured by universal meter, but specific fracture position is difficult to measure；On the other hand it is to use
Existing cable detection instrument is detected, but cable detection instrument needs to introduce external power supply mostly, detects tedious process, essence
Exactness is poor, easily causes mistaken diagnosis and damage to cable, bulky, and price is high, it is difficult to solving practical problems.
Utility model content
The purpose of this utility model is to provide a kind of electric discontinuity of cable fault locator, solves electric present in prior art
Cable detecting instrument needs to introduce external power supply, the problem of electric discontinuity of cable particular location difficulty is measured.
The technical scheme that the utility model is used is, electric discontinuity of cable fault locator, including signal transmitter and signal
Detection machine, signal transmitter includes oscillating circuit, and oscillating circuit, which is connected to the first battery pack, starting switch, signal, to be occurred
Device, the first display circuit, amplifying circuit, amplifying circuit is connected to signal fish folder by signal wire and ground connection fish is pressed from both sides；Signal
Detection machine includes integrated amplifier, is provided with driving switch in integrated amplifier, and integrated amplifier is connected to the
Two battery packs, the second display circuit, warning device, detecting circuit, detecting circuit are connected with sample circuit, and sample circuit passes through letter
Number line is connected with handle, and the handle other end is provided with metal probe；Metal probe is connected with signal fish folder.
The characteristics of the utility model, also resides in,
Integrated amplifier is connected with volume switch, and the second display circuit and warning device are commonly through volume switch and collection
Into amplifying circuit connection.
Inductance and electric capacity are provided with handle, metal probe is connected with electric capacity.
Integrated amplifier include be sequentially connected input stage, amplifying stage, output stage, driving switch be arranged on amplifying stage and
Between output stage, input stage is connected with detecting circuit, and input stage is connected with the second battery pack, and output stage is connected with detecting circuit.
First display circuit and the second display circuit are LED.
Warning device is buzzer.
The beneficial effects of the utility model are that signal transmitter and signal detection machine are separate, without external during work
Power supply, refers to without peeling off the rubber set of failure cable to be measured and being just able to detect that the particular location of internal core fracture and send alarm
Show, detection accuracy is high, mistaken diagnosis and damage will not be caused to cable, and the small low cost of device volume, detection process is simple, convenient real
With.
Brief description of the drawings
Fig. 1 is the structural representation of utility model electric discontinuity of cable fault locator；
Fig. 2 is the structural representation of signal transmitter in utility model electric discontinuity of cable fault locator；
Fig. 3 is the structural representation of signal detection machine in utility model electric discontinuity of cable fault locator；
Fig. 4 is the structural representation of integrated amplifier in utility model electric discontinuity of cable fault locator.
In figure, 1. signal transmitters, 2. signal detection machines；
11. oscillating circuit, 12. first battery packs, 13. starting switches, 14. signal generators, 15. first display circuits,
16. amplifying circuit, 17. signal fishes folder, 18. ground connection fish folders；
21. integrated amplifier, 22. second battery packs, 23. volume switches, 24. second display circuits, 25. alarm dresses
Put, 26. detecting circuits, 27. sample circuits, 28. handles, 29. metal probes；
211. input stages, 212. amplifying stages, 213. output stages, 214. driving switch；
281. inductance, 282. electric capacity.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2, Figure 3 shows, electric discontinuity of cable fault locator, including signal transmitter 1 and signal detection machine 2, letter
Number transmitter 1 includes oscillating circuit 11, and oscillating circuit 11, which is connected to the first battery pack 12, starting switch 13, signal, to be occurred
Device 14, the first display circuit 15, amplifying circuit 16, amplifying circuit 16 are connected to signal fish folder 17 and ground connection by signal wire
Fish folder 18；Signal detection machine 2 includes being provided with driving switch 214 in integrated amplifier 21, integrated amplifier 21, integrated to put
Big circuit 21 is connected to the second battery pack 22, the second display circuit 24, warning device 25, detecting circuit 26, detecting circuit
26 are connected with sample circuit 27, and sample circuit 27 is connected with handle 28 by signal wire, and the other end of handle 28 is provided with metal spy
First 29；Metal probe 29 is connected with signal fish folder 17.
Integrated amplifier 21 is connected with volume switch 23, and the second display circuit 24 and warning device 25 are commonly through volume
Switch 23 and integrated amplifier 21 are connected.
Inductance 281 and electric capacity 282 are provided with handle 28, metal probe 29 is connected with electric capacity 282.
As shown in figure 4, integrated amplifier 21 includes the input stage 211 being sequentially connected, amplifying stage 212, output stage 213,
Driving switch 214 is arranged between amplifying stage 212 and output stage 213；Input stage 211 is connected with detecting circuit 26, input stage 211
It is connected with the second battery pack 22, output stage 213 is connected with detecting circuit 26.
First display circuit 15 and the second display circuit 24 are LED.
Warning device 25 is buzzer.
The course of work is as follows, and the control work of starting switch 13 and stopping in signal transmitter 1, the first battery pack 12 are supplied
Electricity, the display working condition of the first display circuit 15, the signal that signal generator 14 is sent is converted to by oscillating circuit 11 to be had
The analogue active carrier signal of ac frequency, and produce alternating magnetic field.Analogue active carrier signal is by amplifying circuit 16
Amplification, can be pressed from both sides the signal wire and ground connection fish folder 18 of 17 connections by signal fish by different cross section and the cable of different length specification
The signal wire of connection completes output simultaneously.For breaking open-phase fault cable, there is a situation where the fracture of one or a few core,
Core breaking part, analogue active carrier signal can not pass through, while alternating magnetic field changes, the specific breakaway poing of core is exactly
The critical point that signal transmission is interrupted.Minimum detectable signal is interrupted in the metal probe 29 that compounding practice signal detection machine 2 is connected, pickup, is passed
To signal detection machine 2, detection is completed by detecting circuit 26 and sample circuit 27 and sampled, is entered by integrated amplifier 21
Row amplification driving, makes the flickering display of the second display circuit 24, the alarm of warning device 25 is exactly breaking phase shortage event to be checked herein
Hinder the accurate location of cable rubber set internal core fracture.According to detection ambient conditions, volume switch is adjusted, enables tester clear
Hear to Chu that warning device is alarmed, it is seen that display circuit flashes, in case weak output signal influences the identification of breakpoint location.
The utility model electric discontinuity of cable fault locator can make for mining common picture set cable, mine-shield cable
Detection.
When detecting mining common picture set cable, with the ohms range of universal meter, determine in breaking open-phase fault cable to be checked
Which root the cored wire of fracture is, carries out mark to be checked.Signal transmitter 1 is placed on cable one end, can by ground connection cobble folder 18
It is abutted against ground, signal fish is pressed from both sides 17 metal parts for being clipped in mark core in breaking open-phase fault cable to be checked, switch is on
13, the first display circuit 15 shows that signal transmitter 1 is in running order.The driving switch 214 of signal detection machine 2 is got to
Low grade, holds handle 28, the spacing for keeping metal probe 29 to cover 3 to 5 centimetres with cable picture to be checked, detection of walking about, if detecting
When marking some position of core, the flickering display of the second display circuit 24, warning device 25 is alarmed, and is exactly open circuit fault electricity herein
The accurate location of cable picture set internal core fracture.If there is the cored wire of many fractures, detected one by one with same step.
When detecting mine-shield cable, first determined with universal meter or megger disconnected inside breaking open-phase fault cable to be checked
Split core and carry out mark to be checked.The screen layer or bone coal layer of cloth at mine-shield cable two ends to be measured and other there is no interior disconnected
Core exposed metal portions are all connected together, and reliable ground respectively, leave a fracture core motionless.Then signal is sent
The signal fish folder 4 of machine 1 is clipped in the metal part of marked fracture cored wire, and ground connection fish folder 3 is clipped in shielding metallic ground junction,
The driving switch 214 of signal detection machine 2 is got into top grade, operation signal detection machine 2 is detected, specific detecting step and detection
The step of mining common picture set cable, is identical.
Through the above way, utility model electric discontinuity of cable fault locator, solves cable present in prior art and examines
Surveying instrument needs to introduce external power supply, the problem of electric discontinuity of cable particular location difficulty is measured.Signal transmitter and signal detection machine phase
It is mutually independent, cover without peeling off the rubber of failure cable to be measured and be just able to detect that the particular location of internal core fracture and send alarm
Indicate, detection accuracy is high, mistaken diagnosis and damage will not be caused to cable, and the small low cost of device volume, detection process is simple.
Claims (6)
1. electric discontinuity of cable fault locator, including signal transmitter (1) and signal detection machine (2), it is characterised in that the signal
Transmitter (1) include oscillating circuit (11), oscillating circuit (11) be connected to the first battery pack (12), starting switch (13),
Signal generator (14), the first display circuit (15), amplifying circuit (16), the amplifying circuit (16) are connected respectively by signal wire
It is connected to signal fish folder (17) and ground connection fish folder (18)；The signal detection machine (2) includes integrated amplifier (21), integrated amplification
It is provided with driving switch (214) in circuit (21), integrated amplifier (21) is connected to the second battery pack (22), second shown
Show circuit (24), warning device (2 5), detecting circuit (26), the detecting circuit (26) is connected with sample circuit (27), sample
Circuit (27) is connected with handle (28) by signal wire, and handle (28) other end is provided with metal probe (29)；Metal probe
(29) it is connected with signal fish folder (17).
2. electric discontinuity of cable fault locator according to claim 1, it is characterised in that the integrated amplifier (21) is even
Volume switch (23) is connected to, second display circuit (24) and warning device (2 5) are commonly through volume switch (23) and collection
Into amplifying circuit (21) connection.
3. electric discontinuity of cable fault locator according to claim 2, it is characterised in that be provided with electricity in the handle (28)
Feel (281) and electric capacity (282), metal probe (29) is connected with electric capacity (282).
4. electric discontinuity of cable fault locator according to claim 3, it is characterised in that integrated amplifier (21) bag
The input stage (211) being sequentially connected, amplifying stage (212), output stage (213) are included, driving switch (214) is arranged on amplifying stage
(212) between output stage (213)；The input stage (211) is connected with detecting circuit (26), the input stage (211) and the
Two battery packs (22) are connected, and the output stage (213) is connected with volume switch (23).
5. electric discontinuity of cable fault locator according to claim 4, it is characterised in that first display circuit (15) and
Second display circuit (24) is LED.
6. electric discontinuity of cable fault locator according to claim 5, it is characterised in that the warning device (25) is buzzing
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360121.8U CN206331065U (en) | 2016-12-12 | 2016-12-12 | Electric discontinuity of cable fault locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360121.8U CN206331065U (en) | 2016-12-12 | 2016-12-12 | Electric discontinuity of cable fault locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331065U true CN206331065U (en) | 2017-07-14 |
Family
ID=59290477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360121.8U Active CN206331065U (en) | 2016-12-12 | 2016-12-12 | Electric discontinuity of cable fault locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107323A (en) * | 2017-12-20 | 2018-06-01 | 中车石家庄车辆有限公司 | Threephase cable axis open circuit fault detector |
-
2016
- 2016-12-12 CN CN201621360121.8U patent/CN206331065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107323A (en) * | 2017-12-20 | 2018-06-01 | 中车石家庄车辆有限公司 | Threephase cable axis open circuit fault detector |
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