CN207799000U - The cable high resistive fault locating and detecting device of system is tested based on OWTS Sassers - Google Patents
The cable high resistive fault locating and detecting device of system is tested based on OWTS Sassers Download PDFInfo
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- CN207799000U CN207799000U CN201820147860.1U CN201820147860U CN207799000U CN 207799000 U CN207799000 U CN 207799000U CN 201820147860 U CN201820147860 U CN 201820147860U CN 207799000 U CN207799000 U CN 207799000U
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Abstract
The utility model discloses a kind of cable high resistive fault locating and detecting device for testing system based on OWTS Sassers, includes signal generator, test system host and computer based operating platform；Test system host main body is connected with the first wire connecting portion；Test system host is connected to signal generator, and signal generation apparatus is useful for connecing the second wire connecting portion of cable under test；Signal generator is grounded；Testing system host also has the first wireless communication module, computer based operating platform has the second wireless communication module, and connection is communicated wirelessly to each other by the first wireless communication module, the second wireless communication module between computer based operating platform, test system host；Take this, low in energy consumption, pressing time is short, avoids carrying out secondary destruction to cable under test, extends the service life of cable under test, can non-destructive testing cable high resistive fault residual charge is not present meanwhile, it is capable to discharge voltage completely after the pressurizing.
Description
Technical field
The utility model is related to cable high resistive fault detection field technologies, refer in particular to a kind of based on the test of OWTS Sassers
The cable high resistive fault locating and detecting device of system.
Background technology
Existing is to detect high resistive fault by high pressure generator and time-domain reflectomer, specifically：By the height of cable
Failure impact is hindered, generates short circuit current at this time（Its short circuit current is very big）, at the same time, the high resistive fault of cable becomes low-resistance
Failure, then fault location is carried out to the low-resistance of cable by time-domain reflectomer；Its detection has the following defects：
1, equipment power dissipation is big, and safety is poor, and the power consumption of high pressure generator is high, and usual power consumption is multikilowatt；And in cable
The moment of breakdown generates high current impact, can be damaged to equipment；
2, moment impact electric current has serious damage to cable under test；
3, there are residual charges for cable after pressurizeing.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide one kind and is based on
OWTS Sassers test the cable high resistive fault locating and detecting device of system, and low in energy consumption, pressing time is short, avoids to electricity to be measured
Cable carries out secondary destruction, extends the service life of cable under test, can non-destructive testing cable high resistive fault, meanwhile, it is capable to adding
Voltage is discharged after pressure completely, residual charge is not present.
To achieve the above object, the utility model is using following technical solution：
A kind of cable high resistive fault locating and detecting device for testing system based on OWTS Sassers, is used to connect electricity to be measured
Cable includes signal generator, test system host and computer based operating platform；Wherein：
The test system host main body is connected with the first wire connecting portion for connecing cable under test；Test system host connection
In signal generator, signal generation apparatus is useful for connecing the second wire connecting portion of cable under test；Signal generator is grounded；Test system
Also there is host the first wireless communication module, the operating platform for being based on computer to have the second wireless communication module,
Pass through the first wireless communication module, the second channel radio between the operating platform for being based on computer, test system host
Letter module communicates wirelessly to each other connection.
As a preferred embodiment, the operating platform for being based on computer also has for wireless with mobile terminal
The third wireless communication module of communication connection.
As a preferred embodiment, first wireless communication module, the second wireless communication module are WiFi communication mould
Block.
The utility model has clear advantage and advantageous effect compared with prior art, specifically：It is shaken by OWTS
Wave test system is swung, low in energy consumption, pressing time is short, avoids carrying out secondary destruction to cable under test, extends making for cable under test
With the service life, can almost nondestructively detection cable high resistive fault, meanwhile, can be complete after the pressurizing by the capacitance of cable under test
Voltage is discharged entirely, residual charge is not present, by calculating high resistive fault reflected impulse in computer based operating platform.
More clearly to illustrate the structure feature and effect of the utility model, come below in conjunction with the accompanying drawings with specific embodiment pair
The utility model is described in detail.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the utility model.
Description of drawing identification：
10, cable under test 20, test system host
30, operating platform 40, the signal generator of computer are based on.
Specific implementation mode
It please refers to shown in Fig. 1, that show the concrete structure of the embodiment of the utility model, one kind is shaken based on OWTS
Wave tests the cable high resistive fault locating and detecting device of system, is used to connect cable under test 10, includes test system host
20, signal generator 40 and it is based on the operating platform 30 of computer；Wherein：
The signal generator main body that the test system host 20 has shell and is set in shell, the signal occur
Device main body is connected with the first wire connecting portion for connecing cable under test 10；The test system host 20 is connected to signal generator 40
One end, for cable under test 10 send pulse traveling wave；The other end of signal generator 40 has for connecing cable under test 10
The second wire connecting portion；One end of the signal generator 40 is grounded；The test system host 20 also has the first wireless communication
Module, the computer have the second wireless communication module, the operating platform 30 for being based on computer, test system master
Connection is communicated wirelessly to each other by the first wireless communication module, the second wireless communication module between machine 20, in the present embodiment, institute
State the first wireless communication module, the second wireless communication module is WiFi communication module；The operation for being based on computer
Platform 30 for receive, 20 test data of display measurement system host and make analysis, calculate cable high resistive fault point；The base
Also have for the third wireless communication module with mobile terminal wireless communication connection in computer based operating platform 30；Institute
Test system host 20 can be transmitted to by stating the high frequency fault reflected impulse of the reflection of cable under test 10, and test system host 20 receives
And high frequency fault reflected impulse is recorded, and the information of record is transmitted to computer based operating platform 30.
The main feature of the present apparatus：The capacitance for the frequency and cable under test that the high pressure of OWTS Sassers test system generates has
It closes.In OWTS Sasser test systems, the concussion electric voltage frequency of cable under test 10 is that wherein C is the electricity of cable under test 10
Hold, L is inductance；As shown from the above formula, OWTS Sassers test system resistance to voltage levels determined by cable under test 10, without by
System host 20 is tested to determine.Due to the relationship of the concussion electric voltage frequency and capacitance of cable under test 10, after pressurization in system
Voltage can be completely released, be not present residual charge.OWTS Sassers test the low in energy consumption of system, usually hectowatt
Grade；Pressing time is short, counts in milliseconds.Cable under test 10 is not damaged in pressure process, after high-voltage breakdown, remains to make
It is pressurizeed with low voltage.
The signal generator 40 sends pulse traveling wave to cable under test 10, and the velocity of wave of pulse traveling wave is about 172m/us,
According to this traveling wave speed, 10 length of cable under test can be measured, at the same can obtain the Decay Rate of test signal in systems and
Testing range；Signal generator 40 is removed, is then slowly boosted to cable under test 10, when the system for occurring not pressurizeing carries
When showing, voltage is reduced, is tested again；The data tested every time are sent to the operating platform 30 for being based on computer, base
It is analyzed in computer based operating platform 30, finds out the centrostigma of shelf depreciation, which is fault point；It can be primary
Property tests cable under test 10, finds out all fault points of this root cable under test 10.
The design focal point of the utility model is, mainly tests system by OWTS Sassers, low in energy consumption, pressurization
Time is short, avoids carrying out secondary destruction to cable under test, extends the service life of cable under test, almost can nondestructively detect electricity
Cable high resistive fault, meanwhile, by the capacitance of cable under test, voltage can be discharged completely after the pressurizing, residual charge is not present,
By calculating high resistive fault reflected impulse in computer based operating platform.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change
Change and modify, is still within the scope of the technical solutions of the present invention.
Claims (3)
1. a kind of cable high resistive fault locating and detecting device for testing system based on OWTS Sassers, is used to connect electricity to be measured
Cable, it is characterised in that：Include signal generator, test system host and computer based operating platform；Wherein：
The test system host main body is connected with the first wire connecting portion for connecing cable under test；Test system host is connected to letter
Number generator, signal generation apparatus are useful for connecing the second wire connecting portion of cable under test；Signal generator is grounded；Test system host
Also there is the first wireless communication module, the computer based operating platform has the second wireless communication module, described to be based on
Pass through the first wireless communication module, the mutual nothing of the second wireless communication module between the operating platform of computer, test system host
Line communicates to connect.
2. the cable high resistive fault locating and detecting device according to claim 1 that system is tested based on OWTS Sassers,
It is characterized in that：The computer based operating platform also has for the third channel radio with mobile terminal wireless communication connection
Believe module.
3. the cable high resistive fault locating and detecting device according to claim 1 that system is tested based on OWTS Sassers,
It is characterized in that：First wireless communication module, the second wireless communication module are WiFi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820147860.1U CN207799000U (en) | 2018-01-29 | 2018-01-29 | The cable high resistive fault locating and detecting device of system is tested based on OWTS Sassers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820147860.1U CN207799000U (en) | 2018-01-29 | 2018-01-29 | The cable high resistive fault locating and detecting device of system is tested based on OWTS Sassers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799000U true CN207799000U (en) | 2018-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820147860.1U Active CN207799000U (en) | 2018-01-29 | 2018-01-29 | The cable high resistive fault locating and detecting device of system is tested based on OWTS Sassers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799000U (en) |
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2018
- 2018-01-29 CN CN201820147860.1U patent/CN207799000U/en active Active
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