CN106526417B - Cable fault tester and detection method thereof - Google Patents
Cable fault tester and detection method thereof Download PDFInfo
- Publication number
- CN106526417B CN106526417B CN201610964027.1A CN201610964027A CN106526417B CN 106526417 B CN106526417 B CN 106526417B CN 201610964027 A CN201610964027 A CN 201610964027A CN 106526417 B CN106526417 B CN 106526417B
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- module
- host
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- electrically connected
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses a cable fault tester and a detection method thereof, wherein the cable fault tester comprises a host machine and a plurality of auxiliary machines electrically connected with the host machine; the LCD module, the touch button, the host single-chip wireless transmitting module, the host CMOS module and the host dry battery boosting module of the host are electrically connected with the host single-chip; the host dry battery boosting module is electrically connected with the host CMOS module; the serial port parallel port module is electrically connected with the host CMOS module; the auxiliary unit single-chip wireless receiving module, the auxiliary unit CMOS module and the auxiliary unit dry battery boosting module are electrically connected with the auxiliary unit single-chip module; the driving integrated circuit module is electrically connected to the auxiliary machine CMOS module. The invention has the advantages of simplicity, convenience in carrying and accuracy in positioning, avoids the work of digging and burying the foundation, greatly reduces unnecessary labor cost and has high detection efficiency.
Description
Technical Field
The invention belongs to the field of signal line detection, and particularly relates to a cable fault tester and a detection method thereof.
Background
The field of fault detection of deeply buried cables and long-distance cables, the existing detection instrument is short in detection distance, inconvenient to carry, inaccurate in positioning, high in labor cost and low in detection efficiency. Most of the existing equipment passes ultrasonic testing, so that the transmission distance is limited, and the invention can extend the distance by wireless communication and auxiliary equipment serial connection.
Disclosure of Invention
The invention aims to provide a cable fault tester and a detection method thereof, and aims to solve the problems of short detection distance, inconvenient carrying, inaccurate positioning, high labor cost and low detection efficiency of the existing detection instrument.
The invention is realized in such a way that the cable fault tester comprises a host machine and a plurality of auxiliary machines electrically connected with the host machine; the auxiliary machines are connected in series;
the host is used for wirelessly transmitting a certain high or low level command, transmitting the high or low level command to the auxiliary machine, receiving a response signal fed back by the auxiliary machine, and comparing the response signal with an expected value;
the auxiliary machine receives the command transmitted by the host machine, outputs a corresponding value of a certain high or low level, and simultaneously sends the response value to the host machine through wireless.
Further, the host comprises an LCD module, a touch key, a host singlechip wireless transmitting module, a host CMOS module, a serial port parallel port module and a host dry battery boosting module;
the LCD module, the touch key, the host single-chip wireless transmitting module, the host CMOS module and the host dry battery boosting module are electrically connected with the host single-chip;
the host dry battery boosting module is electrically connected with the host CMOS module;
the serial port parallel port module is electrically connected with the host CMOS module;
the auxiliary machine comprises an auxiliary machine single-chip microcomputer module, an auxiliary machine single-chip wireless receiving module, an auxiliary machine CMOS module, a driving integrated circuit module and an auxiliary machine dry battery boosting module;
the auxiliary unit single-chip wireless receiving module, the auxiliary unit CMOS module and the auxiliary unit dry battery boosting module are electrically connected with the auxiliary unit single-chip module;
the driving integrated circuit module is electrically connected to the auxiliary machine CMOS module.
Another object of the present invention is to provide a cable fault test method, which includes:
the host computer sends some high or low level command wirelessly;
the auxiliary machine receives the command, IO outputs the corresponding value of a certain high or low level and wirelessly transmits the command response value;
and the host receives the response value fed back by the auxiliary machine, and compares the response value with the expected value by collecting IO input.
The invention has the advantages of simplicity, convenience in carrying, accurate positioning, reduction of foundation excavation and landfill work, great reduction of unnecessary labor cost and high detection efficiency.
The invention can extend the distance by wireless communication and auxiliary machine series connection. According to the invention, the detection is carried out through a plurality of auxiliary machines, each auxiliary machine has corresponding fault detection, and if the fault is detected, the alarm is given out at the corresponding auxiliary machine module.
Drawings
FIG. 1 is a schematic diagram of a host according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary machine according to an embodiment of the present invention;
in the figure: 1. an LCD module; 2. touching the key; 3. a host singlechip; 4. a host single-chip wireless transmitting module; 5. a host CMOS module; 6. a serial port parallel port module; 7. a main unit dry battery boosting module; 8. an auxiliary machine singlechip; 9. the auxiliary machine single-chip wireless receiving module; 10. an auxiliary machine CMOS module; 11. a driving integrated circuit module; 12. and the auxiliary unit dry battery boosting module.
Fig. 3 is a flowchart of a cable fault testing method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principle of application of the invention is described in detail below with reference to the accompanying drawings.
As in fig. 1 and 2:
the cable fault tester provided by the embodiment of the invention comprises a host machine and a plurality of auxiliary machines electrically connected with the host machine; the auxiliary machines are connected in series;
the host comprises an LCD module 1, a touch key 2, a host singlechip 3, a host singlechip wireless transmitting module 4, a host CMOS module 5, a serial port parallel port module 6 and a host dry battery boosting module 7;
the LCD module 1, the touch key 2, the host single-chip wireless transmitting module 4, the host CMOS module 5 and the host dry battery boosting module 7 are electrically connected with the host single-chip microcomputer 3;
the host dry battery boosting module 7 is electrically connected with the host CMOS module 5;
the serial port parallel port module is electrically connected with the host CMOS module 5;
the auxiliary machine comprises an auxiliary machine singlechip 8, an auxiliary machine singlechip wireless receiving module 9, an auxiliary machine CMOS module 10, a driving integrated circuit module 11 and an auxiliary machine dry battery boosting module 12;
the auxiliary unit single-chip wireless receiving module 9, the auxiliary unit CMOS module 10 and the auxiliary unit dry battery boosting module 12 are electrically connected with the auxiliary unit single-chip 8;
the driving integrated circuit module 11 is electrically connected to the auxiliary CMOS module 10.
As shown in fig. 3, the present invention is a cable fault testing method provided in an embodiment, the method including:
and respectively placing a host machine and an auxiliary machine at two ends of the cable, powering up the host machine to initialize the system, sending a command 1, waiting for a feedback signal of the auxiliary machine, and if the feedback signal is 1, indicating that the feedback signal is normal, otherwise, carrying out fault,/"is open circuit, and" - "is short circuit. And (5) detecting the corresponding position by excavation.
The specific operation is as follows:
starting up for automatic detection;
one pass of high level detection and one pass of low level detection, and then displaying the result, wherein "/" is open circuit (or broken circuit), "-" is short circuit, and if 1 line is short circuit, the result is short to ground;
after the result is displayed, pressing any key to start the next detection; pressing the [ SET ] key in the detection process can enter into the setting of the number of cables, shift the right key, change the numerical value by the upper key, and confirm and store the [ ENT ] key.
The host computer wirelessly transmits a command (a certain high or low level), the auxiliary machine receives the command, the IO output correspondingly sets a certain high or low level, the host computer wirelessly transmits a command response, the host computer receives the response, the IO input is collected, and the IO input is compared with an expected value, and the consistency is normal.
The invention has the advantages of simplicity, convenience in carrying, accurate positioning, reduction of foundation excavation and landfill work, great reduction of unnecessary labor cost and high detection efficiency.
Because the existing test distance is limited and is only effective in 100 meters, in order to effectively test longer distance, a plurality of identical auxiliary machine modules can be connected in series behind the auxiliary machine, so that the test distance is increased in proportion, and a corresponding interface is reserved behind the auxiliary machine for standby.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. The cable fault tester is characterized by comprising a host machine and a plurality of auxiliary machines electrically connected with the host machine; the auxiliary machines are connected in series;
the host is used for wirelessly transmitting a certain high or low level command, transmitting the high or low level command to the auxiliary machine, receiving a response signal fed back by the auxiliary machine, and comparing the response signal with an expected value;
the auxiliary machine receives the command transmitted by the host machine, outputs a certain high or low level corresponding value, and simultaneously sends a response value to the host machine through wireless;
the host comprises an LCD module, a touch key, a host singlechip wireless transmitting module, a host CMOS module, a serial port parallel port module and a host dry battery boosting module;
the LCD module, the touch key, the host single-chip wireless transmitting module, the host CMOS module and the host dry battery boosting module are electrically connected with the host single-chip;
the host dry battery boosting module is electrically connected with the host CMOS module;
the serial port parallel port module is electrically connected with the host CMOS module;
the auxiliary machine comprises an auxiliary machine single-chip microcomputer module, an auxiliary machine single-chip wireless receiving module, an auxiliary machine CMOS module, a driving integrated circuit module and an auxiliary machine dry battery boosting module;
the auxiliary unit single-chip wireless receiving module, the auxiliary unit CMOS module and the auxiliary unit dry battery boosting module are electrically connected with the auxiliary unit single-chip module;
the driving integrated circuit module is electrically connected with the auxiliary machine CMOS module;
the cable fault test method of the cable fault tester comprises the following steps:
the host computer sends some high or low level command wirelessly;
the auxiliary machine receives the command, IO outputs the corresponding value of a certain high or low level and wirelessly transmits the command response value;
and the host receives the response value fed back by the auxiliary machine, and compares the response value with the expected value by collecting IO input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964027.1A CN106526417B (en) | 2016-11-04 | 2016-11-04 | Cable fault tester and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610964027.1A CN106526417B (en) | 2016-11-04 | 2016-11-04 | Cable fault tester and detection method thereof |
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| Publication Number | Publication Date |
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| CN106526417A CN106526417A (en) | 2017-03-22 |
| CN106526417B true CN106526417B (en) | 2023-06-27 |
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| CN201610964027.1A Active CN106526417B (en) | 2016-11-04 | 2016-11-04 | Cable fault tester and detection method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10198405A (en) * | 1997-01-14 | 1998-07-31 | Hitachi Ltd | Sequence control device |
| CN201438201U (en) * | 2009-04-03 | 2010-04-14 | 江苏省电力公司苏州供电公司 | Secondary loop circuit voltage drop synchronous detection device for voltage mutual inductor |
| CN201449431U (en) * | 2009-04-27 | 2010-05-05 | 中国人民解放军第二炮兵工程学院 | Wireless tester for cable path |
| CN103941240A (en) * | 2014-04-01 | 2014-07-23 | 中国人民解放军总装备部军械技术研究所 | Radar system communication extension detection device and detection methods |
| CN105371967A (en) * | 2014-08-15 | 2016-03-02 | 华北电力大学（保定） | Power cable joint temperature measuring device |
-
2016
- 2016-11-04 CN CN201610964027.1A patent/CN106526417B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10198405A (en) * | 1997-01-14 | 1998-07-31 | Hitachi Ltd | Sequence control device |
| CN201438201U (en) * | 2009-04-03 | 2010-04-14 | 江苏省电力公司苏州供电公司 | Secondary loop circuit voltage drop synchronous detection device for voltage mutual inductor |
| CN201449431U (en) * | 2009-04-27 | 2010-05-05 | 中国人民解放军第二炮兵工程学院 | Wireless tester for cable path |
| CN103941240A (en) * | 2014-04-01 | 2014-07-23 | 中国人民解放军总装备部军械技术研究所 | Radar system communication extension detection device and detection methods |
| CN105371967A (en) * | 2014-08-15 | 2016-03-02 | 华北电力大学（保定） | Power cable joint temperature measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 电缆无线测试仪的设计;范帅帅;迟宗涛;;山东工业技术(第12期);全文 * |
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| CN106526417A (en) | 2017-03-22 |
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