CN1101984A - High-voltage discharging method for testing disconnection point in cable - Google Patents
High-voltage discharging method for testing disconnection point in cable Download PDFInfo
- Publication number
- CN1101984A CN1101984A CN 93118553 CN93118553A CN1101984A CN 1101984 A CN1101984 A CN 1101984A CN 93118553 CN93118553 CN 93118553 CN 93118553 A CN93118553 A CN 93118553A CN 1101984 A CN1101984 A CN 1101984A
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- break point
- cable
- discharging method
- voltage
- radio
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- Locating Faults (AREA)
Abstract
A high-voltage low-current generater is connected to one ends of broken wire pair and the other ends are shorted. A high-voltage discharge takes place at the position where wire is broken and in turn generates sound. A radio with probe moves along the wire pair to determine the position where radio sounds. Its advantages include convenience and high accuracy (less than 3 cm).
Description
The electrion process of detection streamer break point belongs to a kind of fault detection method.
Existing detection streamer break point generally adopts pulse reflection method, signalling etc., and these methods all can not accurately be made the accurate position of break point.
After the objective of the invention is to adopt a kind of method that cable break point is determined, error is no more than 5cm.
The present invention adopts electrion process, and the output terminal that is about to a high voltage-small current generator is connected on broken string to a side, and broken string is to the opposite side short circuit.High-tension electricity must produce electric discharge phenomena at the break point place, and these electric discharge phenomena must cause sound.With the radio of a band probe, will pop one's head in and survey along cable sheath, when having moved to the discharging sound place, this position is exactly a break point.
With this way detection streamer break point, accuracy is high, and error is no more than 3cm, brings great convenience to repair.But all transmission lines that have a foreskin all adopting said method are searched break point.
Fig. 1 is an application state synoptic diagram of the present invention.
Embodiment: the high voltage-small current generator 1 of present embodiment is selected 3000V～20000V for use, the output adjustable signal of 0.5mA～10mA.Output terminal and broken string between be connected in series a reometer A, be used for monitoring whether have electric discharge phenomena to take place, can suitably not increase amplitude of output voltage when taking place, electric current to be arranged, but can not cause that the adjacent line puncture is advisable until reometer.Move along the crust of cable 4 with the probe 3 of radio 2 after discharge takes place and search break point, when hearing discharging sound, this position promptly is a break point.
Claims (2)
1, the electrion process of detection streamer break point, it is characterized in that the output terminal of a high voltage-small current generator (1) is connected on broken string to a side, the right opposite side two line short circuits of breaking lean against with the probe (3) of radio (2) to move on the crust of cable (4) and receive discharging sound, search break point.
2, the electrion process of detection streamer break point according to claim 1, the output voltage that it is characterized in that the high voltage-small current generator is at 3000V～20000V, and output current is at 0.5mA～10mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93118553 CN1101984A (en) | 1993-10-18 | 1993-10-18 | High-voltage discharging method for testing disconnection point in cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93118553 CN1101984A (en) | 1993-10-18 | 1993-10-18 | High-voltage discharging method for testing disconnection point in cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1101984A true CN1101984A (en) | 1995-04-26 |
Family
ID=4992523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93118553 Pending CN1101984A (en) | 1993-10-18 | 1993-10-18 | High-voltage discharging method for testing disconnection point in cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1101984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305902A (en) * | 2011-08-04 | 2012-01-04 | 江苏圣安电缆有限公司 | Method for detecting breakpoint of electric wire and cable by using digital multimeter |
-
1993
- 1993-10-18 CN CN 93118553 patent/CN1101984A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305902A (en) * | 2011-08-04 | 2012-01-04 | 江苏圣安电缆有限公司 | Method for detecting breakpoint of electric wire and cable by using digital multimeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |