CN106158078A - Cable, twisted-pair feeder and preparation method thereof and computing device - Google Patents
Cable, twisted-pair feeder and preparation method thereof and computing device Download PDFInfo
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- CN106158078A CN106158078A CN201510139426.XA CN201510139426A CN106158078A CN 106158078 A CN106158078 A CN 106158078A CN 201510139426 A CN201510139426 A CN 201510139426A CN 106158078 A CN106158078 A CN 106158078A
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Abstract
The invention provides a kind of cable, form twisted-pair feeder for cable twist identical with another, described twisted-pair feeder has length L1 after strand, and the line footpath of described cable is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable.Parameters relationship between length after length and twisted-pair feeder twist before strand owing to establishing cable of the present invention so that prepared twisted-pair feeder indices reaches to optimize as far as possible, improves the performance of twisted-pair feeder.
Description
Technical field
The present invention relates to cable structure technical field, particularly to a kind of cable, meanwhile, the invention still further relates to the preparation method of twisted-pair feeder and the twisted-pair feeder being made up of cable, and the computing device that the parameter to cable and twisted-pair feeder calculates.
Background technology
Twisted-pair feeder is mainly formed by two identical cable twist, owing to its garbage signal that the interference of outside can be made to produce on two wires is identical, thus cut down, interference signal to play the effect of anti-electromagnetic interference, therefore, application in automotive wire bundle for the twisted-pair feeder is particularly important.In the structure of twisted-pair feeder, after the lay of twisted-pair feeder and strand, length is the product performance needing in production process to ensure, but the non-precision due to length of cable, after making strand, length cannot meet demand, have impact on follow-up assembling, and due to the non-precision of length of cable so that the lay of twisted-pair feeder does not meets technological requirement yet, reduce twisted-pair feeder electromagnetism interference, and affect electric conductivity and the insulating properties of cable.
Content of the invention
In view of this, it is contemplated that propose a kind of cable, with guarantee stranded after the performance of twisted-pair feeder.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of cable, forms twisted-pair feeder for cable twist identical with another, and described twisted-pair feeder has length L1 after strand, and the line footpath of described cable is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable.
Relative to prior art, cable of the present invention has the advantage that
Parameters relationship between length after the front length of strand owing to establishing cable and twisted-pair feeder strand so that prepared twisted-pair feeder indices reaches to optimize as far as possible, improves the performance of twisted-pair feeder.
Further object is that a kind of computing device of offer, with can be to the relation setting up length before the strand of length and cable after the strand of twisted-pair feeder, it is ensured that the performance of twisted-pair feeder.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of computing device, including calculator and be connected with calculator, be stored with for calculator call calculating function memory module, after the strand calculating length L and twisted-pair feeder before function includes being applicable to strand that formed dress twisted-pair feeder by cable twist, that set up cable of storage in described memory module, length L1 corresponding relation calls function, it is characterized in that: the line footpath of described cable is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable.
Described computing device is had the advantage that identical with above-mentioned cable relative to prior art, does not repeats them here.
The invention still further relates to a kind of twisted-pair feeder, formed by two identical cables are mutually stranded, described twisted-pair feeder has length L1 after strand, and the line footpath of described cable is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable.
Further, length L1=985mm after the strand of described twisted-pair feeder.
Further, the lay of described twisted-pair feeder is 20-30mm.
Further, the strand of the conductor in described cable is consistent to the direction of lay with twisted-pair feeder.
Further, the strand of the conductor in described cable to for S to.
Described twisted-pair feeder is had the advantage that identical with above-mentioned cable relative to prior art, does not repeats them here.
Moreover, it relates to the preparation method of a kind of twisted-pair feeder, the method comprises the steps:
Step a, according to length L1 after the strand of the twisted-pair feeder to be obtained, calculate length L before the strand of cable used；
Step b, by the rotating forward of wire twisting equipment, reversion, drive both threads cable to twist together, prepare twisted-pair feeder.
Further, the line footpath of described cable is 0.5mm, length L1=985mm after strand, and lay is 20-30mm, the conductor in described cable strand to the direction of lay with twisted-pair feeder be S to；It is 49 turns that described wire twisting equipment rotates forward the number of turns, and the reversion number of turns is 10 turns.
Further, the lay of described twisted-pair feeder is 25mm.
The preparation method of described twisted-pair feeder is had the advantage that identical with above-mentioned cable relative to prior art, does not repeats them here.
Brief description
A part of accompanying drawing constituting the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the twisted-pair feeder described in the embodiment of the present invention；
Fig. 2 is the structural representation of cable used by the twisted-pair feeder described in the embodiment of the present invention；
Fig. 3 is the structured flowchart of the computing device that the present invention relates to；
Description of reference numerals:
1-cable；2-calculator；3-memory module；4-control unit；5-input module；6-display screen；Stranded section of 7-；8-opens strand section.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1, the present embodiment relates to a kind of twisted-pair feeder, this twisted-pair feeder is formed by two identical cables 1 are mutually stranded, twisted-pair feeder has stranded section 7 in the middle part of being positioned at, and be positioned at stranded section of 7 two ends, be connected with connector open strand section 8, the entire length sum of stranded section 7 and the section of coming unglued 8 is length L1 after strand.The line footpath constituting the cable 1 used by twisted-pair feeder is 0.5mm, and as shown in Figure 2, a length of L before the strand of cable 1.In place of the design innovation of the present invention, after being to establish the strand of twisted-pair feeder length L1 and cable strand before relation is set, to guarantee the performance of twisted-pair feeder between length L.
Wherein, length L=1.216+1.016*L1 before the strand of cable.
With in the present embodiment, length L1=985mm after the strand of needs, as a example by the lay D of twisted-pair feeder is 25mm, length L=1.216+1.016*985=1001mm before the strand of the cable of needs, it is and meet a length of 985mm after strand, the length of cable that need to provide is 1001mm.
As above twisted-pair feeder, its preparation method comprises the steps:
Step a, according to length L1=985mm after the strand of the twisted-pair feeder to be obtained, by length L=1.216+1.016*L1 before functional relation strand, calculate length L=1001mm before the strand of cable used；
Step b, by the rotating forward of wire twisting equipment, reversion, drive both threads cable to twist together, prepare twisted-pair feeder.Wherein, the lay of twisted-pair feeder is 25mm, and it allows the tolerance of 5mm, the conductor in cable strand to the direction of lay with twisted-pair feeder be S to；Additionally, wire twisting equipment can use routine device, such as use servomotor drive chuck, the version stranded to cable clamp, and the rotation of wire twisting equipment is reported be set to rotate forward the number of turns be 49 turns, reversion the number of turns be 19 turns.
In addition, what deserves to be explained is, in step a before the strand calculating cable used during length L, artificial calculating can be used, also computing device can be used to calculate, as it is shown on figure 3, this computing device includes calculator 2 and the memory module 3 being connected with calculator 2, be stored with in memory module 3 calculating function, this calculating function be the strand of length L and twisted-pair feeder before being applicable to strand that cable twist is formed dress twisted wire, that set up cable after length L1 corresponding relation call function；Calculator 2 is connected in control unit 4, and the signal input part in control unit 4 is connected with input module 5, and is connected with display screen 6 at the signal output part of control unit 4, and wherein, control unit 4 can use mechanisms such as having the single-chip microcomputer that data process.
Based on this computing device, can be inputted length L1 after the strand of twisted-pair feeder by input module 5, control unit 4 controls calculator 2 and calls and call function in memory module 3, finally calculates length L before the strand of cable, and is shown result of calculation by display screen 6.
The quality arranging relation to length L1 after the strand of length L before the strand of cable as above and twisted-pair feeder, verifies as follows.
Verification method: line taking footpath is that 0.5mm, the cable 1(of different length are every 500mm) it is sampled, the strand of twisted-pair feeder to for S to, under identical stranded wire apparatus, cable twist is become twisted-pair feeder, the twisted-pair feeder making the cable 1 of equal length samples 5 as one group, take 5 groups of samples, and length, lay measure after the strand of the twisted-pair feeder stranded to each sample, statistics result is as shown in the table.
In upper table, deflection is the difference of length after length before strand and strand, rotate forward, invert the revolution being respectively motor, simultaneously, in order to make measurement result closer to the fact, as a example by state shown in Fig. 1, by the left lay of lay positioning on Fig. 1 twisted-pair feeder left side, lay in the middle of the positioning of middle part, the right lay of the right positioning.
Being input to the statistics of upper table in minitab software, to generate matching line chart, its standard deviation s=4.46014 generating, the R-Sq goodness of fit is 100%, and it is 100% that R-Sq adjusts goodness.
In constituted above and method, before pair twist length L=1001mm twisted-pair feeder preparation process in the revolution of motor carry out Piglet s colibacillosis, due in theory, rotate forward length/lay after the number of turns-reversion number of turns=actual stranded number of turns=strand, therefore, in test, according to length and lay after strand, calculating the difference rotating forward the number of turns and the reversion number of turns, the i.e. actual stranded number of turns=985/25=39 turns.For the definite value of this actual stranded number of turns, drafting the positive and negative number of turns of four groups of motors, it is 47 that i.e. first group motor rotates forward the number of turns, and the reversion number of turns is 8；It is 49 that second group of motor rotates forward the number of turns, and the reversion number of turns is 10；It is 51 that 3rd group of motor rotates forward the number of turns, and the reversion number of turns is 12；It is 53 that 4th group of motor rotates forward the number of turns, and the reversion number of turns is 14.In the positive and negative number of turns of above-mentioned four groups of motors, often corresponding 50 test datas of group, its result as in the table below:
In upper table, the rotating forward number of turns according to motor and the reversion number of turns, and length after the strand after strand, lay average is added up, and by statistics input to minitab software, is analyzed the process capability under different motor rotations.In analysis result, rotate forward the number of turns be 47 turns, the reversion number of turns is when being 8 turns, its process capability value is 1.94, but lay average is 26.2mm, bigger than normal, therefore, with the presence of substandard product.Rotate forward the number of turns be 49 turns, the reversion number of turns is when being 10 turns, its process capability value is 3.66, and lay average is 24.7mm, and its overall process ability is sufficient.Rotate forward the number of turns be 51 turns, the reversion number of turns is when being 12 turns, its process capability value is 2.58, and lay average is 24.1mm, overall process scarce capacity.Rotate forward the number of turns be 53 turns, the reversion number of turns is when being 14 turns, its process capability value is 2.04, and lay average is 23.5mm, on the whole, with the presence of the underproof risk of portioned product.Therefore, rotate forward the number of turns be 49 turns, the reversion number of turns is when being 10 turns, after the lay of twisted-pair feeder, strand, length process capability is stable.
Additionally, for the performance improving twisted-pair feeder further, can by the strand of the conductor within cable 1 to the direction of lay with twisted-pair feeder be S to.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a cable (1), for cable (1) identical with another stranded formation twisted-pair feeder, described twisted-pair feeder has length L1 after strand, it is characterised in that: the line footpath of described cable (1) is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable (1).
2. a computing device, including calculator (2) and be connected with calculator (2), be stored with for calculator (2) call calculating function memory module (3), in the described memory module (3) the calculating function of storage include being applicable to by cable (1) stranded is formed dress twisted-pair feeder, set up cable (1) twist before length L and twisted-pair feeder strand after length L1 corresponding relation call function, it is characterized in that: the line footpath of described cable (1) is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable (1).
3. a twisted-pair feeder, is formed by two identical cables are mutually stranded, and described twisted-pair feeder has length L1 after strand, it is characterised in that: the line footpath of described cable (1) is 0.5mm, length L=1.216+1.016*L1 before the strand of described cable (1).
4. twisted-pair feeder according to claim 3, it is characterised in that: length L1=985mm after the strand of described twisted-pair feeder.
5. twisted-pair feeder according to claim 4, it is characterised in that: the lay of described twisted-pair feeder is 20-30mm.
6. twisted-pair feeder according to claim 3, it is characterised in that: the strand of the conductor in described cable (1) is consistent to the direction of lay with twisted-pair feeder.
7. twisted-pair feeder according to claim 6, it is characterised in that: the strand of the conductor in described cable (1) to for S to.
8. the preparation method of a twisted-pair feeder as claimed in claim 3, it is characterised in that the method comprises the steps:
Step a, according to length L1 after the strand of the twisted-pair feeder to be obtained, calculate length L before the strand of cable (1) used；
Step b, by the rotating forward of wire twisting equipment, reversion, drive both threads cable (1) to twist together, prepare twisted-pair feeder.
9. the preparation method of twisted-pair feeder according to claim 8, it is characterized in that: the line footpath of described cable (1) is 0.5mm, length L1=985mm after strand, lay is 20-30mm, the conductor in described cable (1) strand to the direction of lay with twisted-pair feeder be S to；It is 49 turns that described wire twisting equipment rotates forward the number of turns, and the reversion number of turns is 10 turns.
10. the preparation method of twisted-pair feeder according to claim 9, it is characterised in that: the lay of described twisted-pair feeder is 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510139426.XA CN106158078B (en) | 2015-03-28 | 2015-03-28 | Cable, twisted-pair feeder and preparation method thereof and computing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510139426.XA CN106158078B (en) | 2015-03-28 | 2015-03-28 | Cable, twisted-pair feeder and preparation method thereof and computing device |
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| Publication Number | Publication Date |
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| CN106158078A true CN106158078A (en) | 2016-11-23 |
| CN106158078B CN106158078B (en) | 2018-03-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108038839A (en) * | 2017-11-23 | 2018-05-15 | 宁波大学 | Twisted-pair feeder lay real-time detection method on a kind of flow production line |
| CN112945077A (en) * | 2021-02-02 | 2021-06-11 | 杭州海康威视数字技术股份有限公司 | Twisted pair lay length detection method and device applied to twisted pair cable |
| CN114914035A (en) * | 2022-06-09 | 2022-08-16 | 一汽解放汽车有限公司 | Method and device for determining blanking length of three-stranded wire before twisting and computer equipment |
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| JPH02276114A (en) * | 1989-04-18 | 1990-11-13 | Showa Electric Wire & Cable Co Ltd | Confirmation of strand pitch for cabling line |
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| CN1444233A (en) * | 2002-02-12 | 2003-09-24 | 北卡罗来纳科姆斯科普公司 | Communication cable whose insulated conductors are parallelly-opposite-arraged into bundle |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02276114A (en) * | 1989-04-18 | 1990-11-13 | Showa Electric Wire & Cable Co Ltd | Confirmation of strand pitch for cabling line |
| US6037546A (en) * | 1996-04-30 | 2000-03-14 | Belden Communications Company | Single-jacketed plenum cable |
| CN1409863A (en) * | 1999-05-28 | 2003-04-09 | 克罗纳数字通信公司 | Optimizing LAN cable performance |
| CN1367930A (en) * | 1999-06-18 | 2002-09-04 | 贝尔顿电报电缆公司 | High performance data cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108038839A (en) * | 2017-11-23 | 2018-05-15 | 宁波大学 | Twisted-pair feeder lay real-time detection method on a kind of flow production line |
| CN108038839B (en) * | 2017-11-23 | 2022-01-11 | 宁波大学 | Real-time detection method for twisted pair twist pitch on production line |
| CN112945077A (en) * | 2021-02-02 | 2021-06-11 | 杭州海康威视数字技术股份有限公司 | Twisted pair lay length detection method and device applied to twisted pair cable |
| CN112945077B (en) * | 2021-02-02 | 2023-02-28 | 杭州海康威视数字技术股份有限公司 | Twisted pair lay length detection method and device applied to twisted pair cable |
| CN114914035A (en) * | 2022-06-09 | 2022-08-16 | 一汽解放汽车有限公司 | Method and device for determining blanking length of three-stranded wire before twisting and computer equipment |
| CN114914035B (en) * | 2022-06-09 | 2024-01-12 | 一汽解放汽车有限公司 | Method and device for determining blanking length of three twisted wires before twisting and computer equipment |
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|---|---|
| CN106158078B (en) | 2018-03-16 |
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Effective date of registration: 20211229 Address after: 276800 No. 306, linli center, Guilin road, Rizhao Economic Development Zone, Shandong Province Patentee after: Mande auto parts (Rizhao) Co.,Ltd. Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: GREAT WALL MOTOR Co.,Ltd. |