CN107015098B - Cable branching instrument - Google Patents
Cable branching instrument Download PDFInfo
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- CN107015098B CN107015098B CN201710295186.1A CN201710295186A CN107015098B CN 107015098 B CN107015098 B CN 107015098B CN 201710295186 A CN201710295186 A CN 201710295186A CN 107015098 B CN107015098 B CN 107015098B
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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
- G01R31/60—Identification of wires in a multicore cable
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The cable branching instrument comprises a control end A and a terminal B, wherein each core wire of the terminal B is connected with a constant resistor R with unequal resistance 1 、R 2 、R 3 、R 4 、R 5 、R 6 、R 7 、R 8 、R 9 、R 10 、R 11 、R 12 A plurality of fixed-value resistors are connected in parallel to form a parallel circuit, and a resistor R 1 And R is 2 Resistance value difference of 10K, R 11 And R is 12 The resistance value differs by 10K, the resistance value between other resistors differs by 1K, and the control end comprises the following modules: the system comprises a resistance measurement module, a resistance acquisition analysis module and a line sequence display module; the core wire number is preset at the terminal B, and specific resistance values of the fixed-value resistor are respectively as follows: r is R 1 =1K，R 2 =11 K，R 3 =12 K，R 4 =13 K，R 5 =14 K，R 6 =15 K，R 7 =16 K，R 8 =17 K，R 9 =18 K，R 10 =19 K，R 11 =20 K，R 12 =30k; the cable branching instrument does not need to lay a public line outside the cables to be paired, directly uses any one of the cables as a common line at one end, automatically identifies the public end and other line sequences, and automatically marks the corresponding position of the control end A at the terminal B.
Description
Technical Field
The invention belongs to the technical field of cable branching, and particularly relates to a cable branching instrument.
Background
In the power grid of the industries of electric power, metallurgy, railway and the like, a large number of cable connections are needed among all the devices, including various control loops or signal transmission loops, and the normal operation of the cables ensures the safe and stable operation of the electric power system. When the electric power construction is completed, the control cables are required to be applied, the wire cores are required to be checked at two sides, once the core is misplaced in the checking process, the equipment cannot be controlled, and the method adopted in the current construction is as follows: two persons pull a common line with the same length as the cable at two sides of the cable, each line at two sides is stripped, one side person short-circuits the common line and any one line, the other side person checks one by one in all the wire cores by using a universal meter or a through lamp, finds the cable short-circuited with the common line, informs the other side by using a walkie-talkie to find, and marks numbers; repeating the above actions until all the wire cores are found out, and completing a cable checking task; and repeating the steps to check the rest cables, thereby consuming time and labor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the cable branching instrument which is reasonable in structure and convenient to use.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the cable branching instrument comprises twelve cable core wires, wherein the twelve cable core wires comprise a control end A and a terminal B, the control end A is arranged at one end of a cable, the terminal B is arranged at the other end of the cable, and each core wire of the terminal B is connected with a fixed value resistor R with unequal resistance values 1 、R 2 、R 3 、R 4 、R 5 、R 6 、 R 7 、 R 8 、R 9 、R 10 、R 11 、R 12 A plurality of fixed-value resistors are connected in parallel to form a parallel circuit, and the resistor R 1 And R is 2 Resistance value difference of 10K, R 11 And R is 12 The resistance value differs by 10K, and the resistance value between other resistance differs by 1K, and each resistance all is connected with the terminal, and every heart yearn of control end A side all is connected with the terminal, the control end includes following module: the device comprises a resistance measurement module, a resistance acquisition analysis module and a line sequence display module, wherein a display window is arranged beside each core wire at the side A of the control end, and the resistance measurement module is electrically connected with a control electronic switch.
Presetting a core wire number at a terminal B, and a resistor R 1 To R 12 The numbers of the connected core wires are respectively 1 to 12 in one-to-one correspondence.
The specific resistance values of the fixed-value resistor are respectively as follows: r is R 1 =1K，R 2 =11 K，R 3 =12 K， R 4 =13 K，R 5 =14 K，R 6 =15 K，R 7 =16 K，R 8 =17 K，R 9 =18 K，R 10 =19 K，R 11 =20 K，R 12 =30K。
The branching step of the cable branching instrument is as follows: firstly, a knife type crimping clamp is adopted to directly crimp the electric wire to contact the wire core conductor,
a. the method comprises the steps that 12 core wires are arbitrarily and respectively connected to two sides of a control end A and a terminal B, B, all wires on the terminal B are short-circuited after passing through resistors with different resistance values, c, an instrument on the A side automatically defaults the 12 th core to be a common core, d, resistance values between each wire and the 12 cores are measured on the A side of the control end, and the resistance values are ordered:
1) When 10 continuous resistance values and 1 value larger than the continuous resistance values appear, the common line is the 1 st core, the rest is directly ordered from small to large (2-12) according to the resistance values,
2) When 10 continuous resistance values and 1 value smaller than the continuous resistance values appear, the common line is the 12 th core, the rest is directly ordered from small to large (1-11) according to the resistance values,
3) When 9 substantially continuous resistance values (the difference in resistance values is 2K or less), and 1 value greater than the continuous resistance value and 1 value less than the continuous resistance value occur,
when the minimum value differs from the adjacent value by=10k and the maximum value differs from the adjacent value by >10k, the common line is 11 th core, the rest is directly ordered from small to large (1-10, 12),
when the minimum value differs from the adjacent value by >10K and the maximum value differs from the adjacent value by =10k, the common line is the 2 nd core, the rest is directly ordered from small to large (1, 3-12),
when the minimum value differs from the adjacent value by=10k, and the maximum value differs from the adjacent value by=10k, the larger value in the core of 9 substantially continuous resistance values by 2K is ordered from small to large, when the N-th value is the N-th value, the common line is the N-th core, and the rest is ordered directly from small to large (1- - -N-1, n+1- - -12),
4) Display windows respectively displayed on the control end A side according to the calculated sequence,
5) The control end A displays the sequence according to the display window, and the terminal B displays the sequence according to the wiring sequence.
Through the technical scheme, the invention has the beneficial effects that: the cable branching instrument provided by the invention does not need to additionally lay a public line outside the cable to be paired, directly uses any one of the cables as a common line at one end, can automatically identify the public end and other various line sequences, and automatically marks the corresponding position of the public end and the other various line sequences at the control end A at the terminal B; meanwhile, the cable branching instrument provided by the invention does not need to strip cables, adopts knife edge crimping to directly crush the wire skin, and is time-saving and labor-saving.
Drawings
Fig. 1 is a schematic diagram of an electrical connection according to the present invention.
Detailed Description
As shown in figure 1, the cable branching instrument comprises twelve cable cores, and comprises a control end A and a terminal B, wherein the control end A is arranged at one end of the cable, the terminal B is arranged at the other end of the cable, and each core of the terminal B is connected with a constant resistor R with different resistance values 1 、R 2 、R 3 、R 4 、R 5 、R 6 、 R 7 、 R 8 、R 9 、R 10 、R 11 、R 12 A plurality of fixed-value resistors are connected in parallel to form a parallel circuit, and the resistor R 1 And R is 2 Resistance value difference of 10K, R 11 And R is 12 The resistance value differs by 10K, and the resistance value between other resistance differs by 1K, and each resistance all is connected with terminal 13, and every heart yearn of control end A side all is connected with terminal 13, the control end includes following module: the device comprises a resistance measurement module 17, a resistance acquisition and analysis module 16 and a line sequence display module 15, wherein a display window 14 is arranged beside each core wire at the side of a control end A, and the resistance measurement module 17 is electrically connected with a control electronic switch 18.
Presetting a core wire number at a terminal B, and a resistor R 1 To R 12 The numbers of the connected core wires are respectively 1 to 12 in one-to-one correspondence.
The specific resistance values of the fixed-value resistor are respectively as follows: r is R 1 =1K，R 2 =11 K，R 3 =12 K， R 4 =13 K，R 5 =14 K，R 6 =15 K，R 7 =16 K，R 8 =17 K，R 9 =18 K，R 10 =19 K，R 11 =20 K，R 12 =30K。
The branching step of the cable branching instrument is as follows: the wire is directly crimped by the knife-type crimping clamp before the start, the knife-type crimping surface is small, the pressure is large, the wire skin is directly crushed and contacted with the wire core conductor,
a. the method comprises the steps that 12 core wires are arbitrarily and respectively connected to two sides of a control end A and a terminal B, B, all wires on the terminal B are short-circuited after passing through resistors with different resistance values, c, an instrument on the A side automatically defaults the 12 th core to be a common core, d, resistance values between each wire and the 12 cores are measured on the A side of the control end, and the resistance values are ordered:
1) When 10 continuous resistance values and 1 value larger than the continuous resistance values appear, the common line is the 1 st core, the rest is directly ordered from small to large (2-12) according to the resistance values,
2) When 10 continuous resistance values and 1 value smaller than the continuous resistance values appear, the common line is the 12 th core, the rest is directly ordered from small to large (1-11) according to the resistance values,
3) When 9 substantially continuous resistance values (the difference in resistance values is 2K or less), and 1 value greater than the continuous resistance value and 1 value less than the continuous resistance value occur,
when the minimum value differs from the adjacent value by=10k and the maximum value differs from the adjacent value by >10k, the common line is 11 th core, the rest is directly ordered from small to large (1-10, 12),
when the minimum value differs from the adjacent value by >10K and the maximum value differs from the adjacent value by =10k, the common line is the 2 nd core, the rest is directly ordered from small to large (1, 3-12),
when the minimum value differs from the adjacent value by=10k, and the maximum value differs from the adjacent value by=10k, the larger value in the core of 9 substantially continuous resistance values by 2K is ordered from small to large, when the N-th value is the N-th value, the common line is the N-th core, and the rest is ordered directly from small to large (1- - -N-1, n+1- - -12),
4) Display windows 14 respectively displayed at the a-side in the calculated order,
5) The control end A displays the sequence according to the display window, and the terminal B displays the sequence according to the wiring sequence.
The cable branching instrument provided by the invention adopts a knife type crimping clamp mode, reduces the workload of personnel wire stripping, adopts a terminal side and resistance short circuit mode, reduces personnel on the other side, adopts an automatic test resistance value respectively at the control end side, sorts according to the resistance value, directly displays the cable sorting, is visual and convenient, simultaneously does not need to lay a public line outside the cables to be aligned, directly uses any one of the cables as a common line at one end, can automatically identify the public end and other various line sequences, and automatically marks the corresponding position of the public end and the other line sequences at the control end A.
Claims (1)
1. The cable branching instrument comprises twelve cable core wires and is characterized by comprising a control end A and a terminal B, wherein the control end A is arranged at one end of the cable, the terminal B is arranged at the other end of the cable, and each core wire of the terminal B is connected with a fixed value resistor R with unequal resistance values 1 、R 2 、R 3 、R 4 、R 5 、R 6 、R 7 、R 8 、R 9 、R 10 、R 11 、R 12 A plurality of fixed-value resistors are connected in parallel to form a parallel circuit, and the resistor R 1 And R is 2 Resistance value difference of 10K, R 11 And R is 12 The resistance differs by 10K, the resistance between other resistance differs by 1K, each resistance all is connected with terminal (13), and every heart yearn of control end A side all is connected with terminal (13), control end A includes following module: the device comprises a resistance measurement module (17), a resistance acquisition analysis module (16) and a line sequence display module (15), wherein a display window (14) is arranged beside each core wire at the side A of a control end, and the resistance measurement module (17) is electrically connected with a control electronic switch (18);
presetting a core wire number at a terminal B, and a resistor R 1 To R 12 The numbers of the connected core wires are respectively 1 to 12 in one-to-one correspondence;
the specific resistance values of the fixed-value resistor are respectively as follows: r is R 1 =1K，R 2 =11 K，R 3 =12 K，R 4 =13 K，R 5 =14 K，R 6 =15 K，R 7 =16 K，R 8 =17 K，R 9 =18 K，R 10 =19 K，R 11 =20 K，R 12 =30 K；
The branching step of the cable branching instrument is as follows:
firstly, a knife type crimping clamp is adopted, the surface of the electric wire is crushed by constant pressure, the wire core conductor is ensured to be well contacted,
a. twelve core wires are arbitrarily and respectively connected to two sides of a control end A and a terminal B, B, all wires on the terminal B are short-circuited after passing through resistors with different resistance values, c, an instrument on the A side automatically defaults a 12 th core to be a common core, d, the resistance value between each wire and the 12 cores is measured on the A side of the control end, and the resistance values are ordered:
1) When 10 continuous resistance values and 1 value larger than the continuous resistance values appear, the common line is the 1 st core, the rest is directly ordered from small to large (2-12) according to the resistance values,
2) When 10 continuous resistance values and 1 value smaller than the continuous resistance values appear, the common line is the 12 th core, the rest is directly ordered from small to large (1-11) according to the resistance values,
3) When 9 substantially continuous resistance values occur, the difference in resistance values is 2K or less, and 1 value greater than the continuous resistance value and 1 value less than the continuous resistance value,
when the minimum value differs from the adjacent value by=10k and the maximum value differs from the adjacent value by >10k, the common line is 11 th core, the rest is directly ordered from small to large (1-10, 12),
when the minimum value differs from the adjacent value by >10K and the maximum value differs from the adjacent value by =10k, the common line is the 2 nd core, the rest is directly ordered from small to large (1, 3-12),
when the minimum value differs from the adjacent value by=10k, and the maximum value differs from the adjacent value by=10k, the larger value in the core of 9 substantially continuous resistance values by 2K is ordered from small to large, when the N-th value is the N-th value, the common line is the N-th core, and the rest is ordered directly according to the resistance values from small to large, 1- - -N-1, n+1- - -12,
4) Display windows (14) respectively displayed on the control end A side according to the calculated order,
5) The control end A displays the sequence according to the display window, and the terminal B displays the sequence according to the wiring sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295186.1A CN107015098B (en) | 2017-04-28 | 2017-04-28 | Cable branching instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295186.1A CN107015098B (en) | 2017-04-28 | 2017-04-28 | Cable branching instrument |
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| CN107015098A CN107015098A (en) | 2017-08-04 |
| CN107015098B true CN107015098B (en) | 2023-07-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110954756A (en) * | 2019-12-20 | 2020-04-03 | 攀钢集团工程技术有限公司 | Phase discrimination method and device for three-phase cable |
| CN112858790B (en) * | 2021-01-19 | 2023-11-07 | 西安西电光电缆有限责任公司 | Single-end connection test method for direct-current resistor of multi-core cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204896U (en) * | 2011-08-12 | 2012-04-25 | 临安市供电局 | Cable core wire aligning device |
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
| CN203299323U (en) * | 2013-06-28 | 2013-11-20 | 国家电网公司 | Cable alignment device |
| WO2014057565A1 (en) * | 2012-10-11 | 2014-04-17 | 住友電気工業株式会社 | Method for testing cable core for superconducting cable, and cooling container |
| CN105699832A (en) * | 2014-11-28 | 2016-06-22 | 国网河南省电力公司南阳供电公司 | Cable checking and grouping method |
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- 2017-04-28 CN CN201710295186.1A patent/CN107015098B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204896U (en) * | 2011-08-12 | 2012-04-25 | 临安市供电局 | Cable core wire aligning device |
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
| WO2014057565A1 (en) * | 2012-10-11 | 2014-04-17 | 住友電気工業株式会社 | Method for testing cable core for superconducting cable, and cooling container |
| CN203299323U (en) * | 2013-06-28 | 2013-11-20 | 国家电网公司 | Cable alignment device |
| CN105699832A (en) * | 2014-11-28 | 2016-06-22 | 国网河南省电力公司南阳供电公司 | Cable checking and grouping method |
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| CN107015098A (en) | 2017-08-04 |
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