CN112722200A - Cable end searching and obstacle removing system - Google Patents
Cable end searching and obstacle removing system Download PDFInfo
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- CN112722200A CN112722200A CN202110053183.3A CN202110053183A CN112722200A CN 112722200 A CN112722200 A CN 112722200A CN 202110053183 A CN202110053183 A CN 202110053183A CN 112722200 A CN112722200 A CN 112722200A
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- cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B81/00—Repairing or maintaining vessels
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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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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Locating Faults (AREA)
Abstract
The cable end searching and obstacle removing system comprises a ship body, a driving control console, a first cable, a second cable, a pulse generator, a first signal feedback device group, a second signal feedback device, a main distribution board, a third signal feedback device group, a fourth signal feedback device, a front mast, a signal receiving device and a computer. The invention has the advantages that: the cable end searching and troubleshooting system is characterized in that a pulse generator at the cable starting end and a signal feedback device of each main node build the general trend of each cable in a three-dimensional modeling manner by a computer through low-voltage pulse signals by adopting a high-speed data sampling technology, so that the range of searching the cable end is reduced, and the time is saved. Meanwhile, whether the cable has faults such as short circuit and the like can be detected through the change of the resistance value of the cable, and the distance between a cable fault point and the signal generator can be confirmed according to the position of the resistance value change point; the method can be widely applied to ship repair projects, and saves the time for searching for the cable by workers aiming at the condition that the old ship and the cable end have no code.
Description
Technical Field
The invention relates to a cable end searching and obstacle removing system, and belongs to the technical field of power monitoring equipment.
Background
After more than 30 years of development, the ship repair industry in China already accounts for 30 percent of the market share of the ship repair in the world, the ship repair industry is developed into a famous and genuine large ship repair country, and domestic ship repair enterprises begin to move towards specialized and large-scale roads. With the development of the ship repair industry in China, ship repair enterprises in China have great improvement in ship repair hardware facilities, ship repair technology and capacity, and have certain advantages. At present, the ship repair period of main large and medium-sized shipyards in China is obviously shortened, and the main basic tone is 'short, flat and fast'. In the old ship repair project reconstruction work, the ship cable needs to be cut off and repaired. At present, workers confirm the positions of two ends of a cable by an original method, such as visual inspection of the direction of the cable, short circuit of the other end, searching and judging of two ends of the same cable and the like. These conventional methods are time consuming and labor intensive and provide resistance to the repair of the cable. Therefore, if the cable end can be accurately and quickly searched and the obstacles can be eliminated, the time for searching the cable by workers can be effectively saved, the ship repairing efficiency of the old ship is improved, and the ship repairing period is shortened.
Disclosure of Invention
The invention aims to provide a cable end searching and troubleshooting system.
The invention aims to solve the problem that in the existing old ship repair project transformation work, workers confirm the positions of two ends of a cable by using an original method, and the defects of time consumption and labor waste are overcome.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the cable end searching and obstacle removing system comprises a ship body, a driving console, a first cable, a second cable, a pulse generator, a first signal feedback device group, a second signal feedback device, a main distribution board, a third signal feedback device group, a fourth signal feedback device, a front mast, a signal receiving device and a computer, wherein the driving console is installed in the ship body, the first cable and the second cable are installed in the driving console, the pulse generator is installed at the starting ends of the first cable and the second cable, the first signal feedback device group is installed on a main node where the first cable and the second cable are parallel, the second signal feedback device is installed at the tail end of the first cable, the third signal feedback device group is installed on an independent main node of the second cable, the fourth signal feedback device is installed at the tail end of the second cable, and the fourth signal feedback device is installed on the front mast, the first signal feedback device group, the second signal feedback device, the third signal feedback device group and the fourth signal feedback device feed back signals to the signal receiving device, and the signal receiving device is connected with and provided with a computer.
Further, the pulse generator, the first signal feedback device group and the second signal feedback device jointly determine the starting end, the tail end and the trend of the first cable.
Furthermore, the first signal feedback device and the last signal feedback device on the first signal feedback device group can enhance the signal so as to avoid serious signal attenuation caused by too long distance of the first cable.
Further, the pulse generator, the third signal feedback device group and the fourth signal feedback device jointly determine the starting end, the tail end and the trend of the second cable.
Further, each signal feedback device on the third signal feedback device group has a signal enhancement effect, so that signal attenuation is avoided from being serious due to the fact that the second cable distance is too long.
Furthermore, the computer adopts a high-speed data sampling technology, establishes three-dimensional modeling according to basic data of a manually input ship type and signals fed back by the first signal feedback device group, the second signal feedback device group, the third signal feedback device group and the fourth signal feedback device, and displays the trend and the on-off condition of the first cable and the second cable in real time.
Furthermore, the computer can detect whether the cable has faults such as short circuit or the like through the change of the resistance values of the first cable and the second cable, and can confirm the distance between the cable fault point and the signal feedback device according to the position of the resistance value change point.
The invention has the advantages that: the cable end searching and troubleshooting system is characterized in that a pulse generator at the cable starting end and a signal feedback device of each main node build the general trend of each cable in a three-dimensional modeling manner by a computer through low-voltage pulse signals by adopting a high-speed data sampling technology, so that the range of searching the cable end is reduced, and the time is saved. Meanwhile, whether the cable has faults such as short circuit and the like can be detected through the change of the resistance value of the cable, and the distance between a cable fault point and the signal generator can be confirmed according to the position of the resistance value change point; meanwhile, the signal feedback device also has the function of signal enhancement, so that the serious signal attenuation caused by the overlong cable distance is avoided. The method can be widely applied to ship repair projects, and saves the time for searching for the cable by workers aiming at the condition that the old ship and the cable end have no code.
Drawings
FIG. 1 is a schematic view of a cable end search and troubleshooting system;
FIG. 2 is an enlarged partial schematic view of the cable end searching and troubleshooting system;
FIG. 3 is an enlarged partial schematic view of the cable end searching and troubleshooting system;
FIG. 4 is a schematic view of a cable end searching and troubleshooting system;
in the figure: 1. the control system comprises a hull 2, a driving control station 3, a first cable 4, a second cable 5, a pulse generator 6, a first signal feedback device group 7, a second signal feedback device 8, a main distribution board 9, a third signal feedback device group 10, a fourth signal feedback device 11, a front mast 12, a signal receiving device 13 and a computer.
Detailed Description
The invention is further described with reference to the following figures and examples.
The cable end searching and obstacle removing system comprises a ship body 1, a driving control station 2, a first cable 3, a second cable 4, a pulse generator 5, a first signal feedback device group 6, a second signal feedback device 7, a main distribution board 8, a third signal feedback device group 9, a fourth signal feedback device 10, a front mast 11, a signal receiving device 12 and a computer 13, wherein the driving control station 2 is installed in the ship body 1 and used for driving a ship, the first cable 3 and the second cable 4 are installed in the driving control station 2 and used for transmitting and distributing electric energy, the pulse generator 5 is installed at the starting end of each of the first cable 3 and the second cable 4 and used for sending low-voltage pulse signals, the first signal feedback device group 6 is installed on a main node where the first cable 3 and the second cable 4 are parallel and used for sending low-voltage pulse signals and enhanced signals, the second signal feedback device 7 is installed at the tail end of the first cable 3, the low-voltage pulse signal transmission system comprises a main distribution board 8, a second signal feedback device 7, a third signal feedback device group 9, a fourth signal feedback device 10, a front mast 11, a first signal feedback device group 6, a second signal feedback device 7, the third signal feedback device group 9 and the fourth signal feedback device 10, wherein the main single node of a second cable 4 is provided with the third signal feedback device group 9 and is used for transmitting low-voltage pulse signals and enhancing signals, the tail end of the second cable 4 is provided with the fourth signal feedback device 10 and is used for transmitting low-voltage pulse signals, the fourth signal feedback device 10 is arranged on the front mast 11 and is used for providing suspension, the first signal feedback device group 6, the second signal feedback device 7, the third signal feedback device group 9 and the fourth signal feedback device 10 feed signals back to a signal receiving device 12 and is used.
Further, the pulse generator 5, the first signal feedback device group 6 and the second signal feedback device 7 together determine the starting end, the end and the running direction of the first cable 3.
Further, the first signal feedback device and the last signal feedback device on the first signal feedback device group 6 can enhance the signal so as to avoid serious signal attenuation caused by too long distance of the first cable 3.
Further, the pulse generator 5, the third signal feedback device group 9 and the fourth signal feedback device 10 together determine the starting end, the end and the running direction of the second cable 4.
Further, each signal feedback device on the third signal feedback device group 9 has a signal enhancement effect, so as to avoid serious signal attenuation caused by too long distance of the second cable 4.
Further, the computer 13 adopts a high-speed data sampling technology, establishes a three-dimensional model according to the basic data of the manually input ship shape and the signals fed back by the first signal feedback device group 6, the second signal feedback device group 7, the third signal feedback device group 9 and the fourth signal feedback device group 10, and displays the trends and the on-off conditions of the first cable 3 and the second cable 4 in real time.
Further, the computer 13 can detect whether the cable has a fault such as a short circuit or not through the change of the resistances of the first cable 3 and the second cable 4, and can confirm the distance between the cable fault point and the signal feedback device according to the position of the resistance change point.
The using method comprises the following steps: in the old ship repair project transformation work, the main distribution board 8 distributes electric power to the first cable 3 and the second cable 4, the pulse generator 5, the first signal feedback device group 6, the second signal feedback device 7, the third signal feedback device group 9 and the fourth signal feedback device 10 send low-voltage pulse signals to the signal receiving device 12, the signal receiving device 12 transmits the signals to the computer 13 after receiving the signals, ship-shaped basic data are manually input into the computer 13, the computer 13 adopts a high-speed data sampling technology, three-dimensional modeling is established according to the signals fed back by the first signal feedback device group 6, the second signal feedback device 7, the third signal feedback device group 9 and the fourth signal feedback device 10, the trends and the on-off conditions of the first cable 3 and the second cable 4 are displayed in real time, and the position of the cable end is rapidly determined; when the first cable 3 and the second cable 4 need to be detected whether to have faults such as short circuit or not, the faults are determined by detecting the change of the resistance value of the cables, and the distance between the fault point of the cables and the signal generator is determined according to the position of the change point of the resistance value, so that the fault point of the cables is determined.
Claims (7)
1. Cable end is searched and is arranged trouble system, including hull (1), drive control station (2), first cable (3), second cable (4), pulse generator (5), first signal feedback device group (6), second signal feedback device (7), main distribution board (8), third signal feedback device group (9), fourth signal feedback device (10), front mast (11), signal reception device (12) and computer (13), characterized by: the ship body is characterized in that a driving console (2) is installed in the ship body (1), a first cable (3) and a second cable (4) are installed in the driving console (2), a pulse generator (5) is installed at the starting end of the first cable (3) and the starting end of the second cable (4), a first signal feedback device group (6) is installed on a main node where the first cable (3) and the second cable (4) are parallel, a second signal feedback device (7) is installed at the tail end of the first cable (3), the second signal feedback device (7) is installed on a main distribution board (8), a third signal feedback device group (9) is installed on an independent main node of the second cable (4), a fourth signal feedback device (10) is installed at the tail end of the second cable (4), the fourth signal feedback device (10) is installed on a front mast (11), the first signal feedback device group (6), the second signal feedback device (7), The third signal feedback device group (9) and the fourth signal feedback device (10) feed back signals to the signal receiving device (12), and the signal receiving device (12) is connected with and provided with a computer (13).
2. The cable end searching and troubleshooting system of claim 1 further comprising: the pulse generator (5), the first signal feedback device group (6) and the second signal feedback device (7) jointly determine the starting end, the tail end and the trend of the first cable (3).
3. The cable end searching and troubleshooting system of claim 1 further comprising: the first signal feedback device and the last signal feedback device on the first signal feedback device group (6) can enhance signals so as not to seriously attenuate signals due to the overlong distance of the first cable (3).
4. The cable end searching and troubleshooting system of claim 1 further comprising: the pulse generator (5), the third signal feedback device group (9) and the fourth signal feedback device (10) jointly determine the starting end, the tail end and the trend of the second cable (4).
5. The cable end searching and troubleshooting system of claim 1 further comprising: each signal feedback device on the third signal feedback device group (9) has the function of signal enhancement, so that the signal attenuation is avoided from being serious due to the fact that the distance of the second cable (4) is too long.
6. The cable end searching and troubleshooting system of claim 1 further comprising: the computer (13) adopts a high-speed data sampling technology, establishes three-dimensional modeling according to signals fed back by the first signal feedback device group (6), the second signal feedback device group (7), the third signal feedback device group (9) and the fourth signal feedback device group (10) and displays the trend and the on-off condition of the first cable (3) and the second cable (4) in real time according to basic data of a manually input ship type.
7. The cable end searching and troubleshooting system of claim 1 further comprising: the computer (13) can detect whether the cable has faults such as short circuit or not through the change of the resistance values of the first cable (3) and the second cable (4), and can confirm the distance between the cable fault point and the signal feedback device according to the position of the resistance value change point.
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CN202110053183.3A CN112722200B (en) | 2021-01-15 | 2021-01-15 | Cable end searching and obstacle removing system |
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CN202110053183.3A CN112722200B (en) | 2021-01-15 | 2021-01-15 | Cable end searching and obstacle removing system |
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CN112722200B CN112722200B (en) | 2022-11-01 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654550A (en) * | 2011-07-18 | 2012-09-05 | 张滕飞 | Method for testing cable faults by using dielectric loss change |
CN105676066A (en) * | 2016-01-22 | 2016-06-15 | 云南电网有限责任公司电力科学研究院 | Cable fault locating eliminating device and method |
CN108020751A (en) * | 2017-11-06 | 2018-05-11 | 四川大学 | A kind of Cable fault examination method and Cable fault examination system |
CN208766262U (en) * | 2018-05-21 | 2019-04-19 | 北京交通大学 | Cable based on traveling wave principle breaks cable fault detection means |
CN110133441A (en) * | 2019-05-30 | 2019-08-16 | 安徽继远软件有限公司 | A kind of underground cable fault location system and method |
-
2021
- 2021-01-15 CN CN202110053183.3A patent/CN112722200B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102654550A (en) * | 2011-07-18 | 2012-09-05 | 张滕飞 | Method for testing cable faults by using dielectric loss change |
CN105676066A (en) * | 2016-01-22 | 2016-06-15 | 云南电网有限责任公司电力科学研究院 | Cable fault locating eliminating device and method |
CN108020751A (en) * | 2017-11-06 | 2018-05-11 | 四川大学 | A kind of Cable fault examination method and Cable fault examination system |
CN208766262U (en) * | 2018-05-21 | 2019-04-19 | 北京交通大学 | Cable based on traveling wave principle breaks cable fault detection means |
CN110133441A (en) * | 2019-05-30 | 2019-08-16 | 安徽继远软件有限公司 | A kind of underground cable fault location system and method |
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