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CN112149317A - Design method, system, medium and equipment for improving cable laying length and precision - Google Patents

Design method, system, medium and equipment for improving cable laying length and precision Download PDF

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Publication number
CN112149317A
CN112149317A CN202011256458.5A CN202011256458A CN112149317A CN 112149317 A CN112149317 A CN 112149317A CN 202011256458 A CN202011256458 A CN 202011256458A CN 112149317 A CN112149317 A CN 112149317A
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cable
cable laying
module
laying
length
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黄博勇
张宏阳
陈永志
朱露露
陈国斌
潘国元
陈伟金
谢元龙
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Qingyuan Electric Power Planning And Design Institute Co ltd
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Qingyuan Electric Power Planning And Design Institute Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • G06Q50/06Energy or water supply
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00Details relating to the application field
    • G06F2113/16Cables, cable trees or wire harnesses

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Abstract

The invention belongs to the technical field of cable design control, and discloses a design method, a system, a medium and equipment for improving the cable laying length and precision, wherein the design system for improving the cable laying length and precision comprises the following components: the system comprises a cable laying data acquisition module, a cable laying path planning module, a cable laying length prediction module, a central control module, a cable laying simulation module, a cable length adjustment module, a cable laying precision improvement module, a cable laying error measurement module, an abnormal information early warning module, a data storage module and a display module. The invention effectively solves the problem of high-precision measurement of the length error of the cable, the measurement precision can reach mm (millimeter) level, and the invention provides the device and the method for measuring the cable for the cable laying engineering of an application system with high phase consistency requirement. The measuring circuit provided by the invention adopts the existing components, is matched with the central controller through a design program, is easy to realize, has low cost, is simple and convenient to implement, and is convenient to popularize and apply.

Description

Design method, system, medium and equipment for improving cable laying length and precision
Technical Field
The invention belongs to the technical field of cable design control, and particularly relates to a design method, a system, a medium and equipment for improving the laying length and precision of a cable.
Background
With the development of modern technology, cables are increasingly applied to the field of power transmission, and have the advantages of no radiation, strong interference resistance, good confidentiality, less transmission loss, simple signal restoration, high reliability and the like. At present, the commonly used method for improving the laying length and precision of the cable is to firstly use a cable length tester to specifically measure the length of the transmission cable, and simultaneously cut and repair other optical cables, so that the length error of each cable is as small as possible. The cable length is measured by a cable length tester, the measurement principle is to process and analyze Rayleigh scattering generated when light is transmitted in the cable and back scattering generated by Fresnel reflection, but the error of the existing cable length tester is generally about +/-1 meter, and the measurement precision cannot meet the requirement of a special application system.
Through the above analysis, the problems and defects of the prior art are as follows: the existing cable length tester has large error, and the measurement precision can not meet the requirements of special application systems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a design method, a system, a medium and equipment for improving the laying length and precision of a cable.
The invention is realized in such a way that a design system for improving the cable laying length and precision comprises:
the system comprises a cable laying data acquisition module, a cable laying path planning module, a cable laying length prediction module, a central control module, a cable laying simulation module, a cable length adjustment module, a cable laying precision improvement module, a cable laying error measurement module, an abnormal information early warning module, a data storage module and a display module.
The cable laying data acquisition module is connected with the central control module and used for acquiring environment data of cable laying through data acquisition equipment;
the cable laying path planning module is connected with the central control module and used for planning a cable laying path according to the collected cable laying environment data through a path planning program;
the cable laying length prediction module is connected with the central control module and used for predicting the laying length of the cable to be laid according to the planned cable laying path through a length prediction program;
the central control module is connected with the cable laying data acquisition module, the cable laying path planning module, the cable laying length prediction module, the cable laying simulation module, the cable length adjustment module, the cable laying precision improvement module, the cable laying error measurement module, the abnormal information early warning module, the data storage module and the display module and is used for controlling the normal work of each module of the design system for improving the cable laying length and precision through the central processing unit;
the cable laying simulation module is connected with the central control module and used for simulating the laying of the cable through simulation equipment according to the cable laying path planning data and the length prediction data;
the cable length adjusting module is connected with the central control module and used for adjusting the cable length according to the cable laying simulation data through a length adjusting program;
the cable laying precision improving module is connected with the central control module and used for improving the cable laying precision by utilizing the positioning equipment through a precision improving program;
the cable laying error measuring module is connected with the central control module and used for measuring the cable laying error through the optical cable length error measuring circuit;
the abnormal information early warning module is connected with the central control module and is used for early warning abnormal cable laying information through the acousto-optic early warning device;
the data storage module is connected with the central control module and used for storing the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information through a memory;
and the display module is connected with the central control module and used for displaying the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and real-time data of early warning information through the LED high-definition display.
Another object of the present invention is to provide a design method for improving cable laying length and accuracy, which implements the design system for improving cable laying length and accuracy, the design method for improving cable laying length and accuracy comprising the steps of:
acquiring environmental data of cable laying by using data acquisition equipment through a cable laying data acquisition module; and planning the cable laying path by using a path planning program through a cable laying path planning module according to the collected environment data of cable laying.
And secondly, predicting the laying length of the cable to be laid according to the planned cable laying path by using a length prediction program through a cable laying length prediction module.
And thirdly, controlling the normal work of each module of the design system for improving the laying length and the laying precision of the cable by using a central processing unit through a central control module.
And fourthly, simulating the laying of the cable by using a cable laying simulation module according to the cable laying path planning data and the length prediction data by using simulation equipment.
Fifthly, adjusting the cable length by a cable length adjusting module according to the cable laying simulation data by using a length adjusting program; the cable laying precision is improved by the cable laying precision improving module and the precision improving program and the positioning equipment.
Sixthly, measuring the cable laying error by using the cable length error measuring circuit through a cable laying error measuring module; and the abnormal cable laying information is early-warned by using the acousto-optic early warning device through the abnormal information early warning module.
And seventhly, storing the acquired environmental data of cable laying, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information by using a memory through a data storage module.
And step eight, displaying the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and real-time data of early warning information by using the LED high-definition display through the display module.
Further, in the first step, the method for planning the cable laying path by the cable laying path planning module according to the collected cable laying environment data by using the path planning program includes:
(I) carrying out sectional coding on a cable laying channel according to the collected environment data of cable laying by a path planning program, and planning the layer and the column of the cable laying channel;
(II) planning different cable laying channel layers and lines according to the preset arrangement condition of the measuring instrument equipment and the control equipment;
and (III) designing a three-dimensional model of the cable laying channel, and planning a cable laying path according to different planned cable laying channel layers and lines.
Further, the simulating, by the cable laying simulation module, laying of the cable according to the cable laying path planning data and the length prediction data by using the simulation device includes:
firstly, drawing and creating a model of a cable laying place, and inputting environmental parameters of a laying area into the created model;
secondly, simulation modeling is carried out on the laying of the cable by using simulation equipment according to cable laying path planning data and length prediction data, and a plurality of laying schemes are output based on an automatic cable sorting method and an automatic cable crossing avoiding method;
finally, carrying out intelligent analysis on the multiple laying models obtained by creation by utilizing simulation equipment to obtain the cable usage amount, the volume of the space occupied by the laying position, the laying safety index and the cost and money data condition of the estimated laying cost of each model; and comprehensively selecting the optimal scheme for output.
Further, the environmental parameters of the laying area include, but are not limited to, cable number specification, cable start and stop point, and bridge number.
Further, in the sixth step, the optical cable length error measuring circuit comprises a clock source, an optical circulator and an oscilloscope;
the clock signal output by the clock source is accessed to the signal conversion unit of the central processing unit, and the clock coding processing chip is used for outputting the converted coding clock signal and returning the coding clock signal to the error measuring circuit; the tail end of the cable to be tested is connected with an optical circulator; the measurement precision of the oscilloscope is 20-25 ps/div.
Further, in the sixth step, the method for measuring the cable laying error by the optical cable length error measuring circuit includes:
(1) by taking a clock signal sent by a clock source of the error measurement circuit as a test signal for measuring the length error, the test signal is converted by the conversion unit through the central processing unit to form an optical signal and returns the optical signal;
(2) the error measuring circuit receives the optical signal and sends the optical signal to the cable to be measured, the optical signal is returned by the optical circulator at the tail end of the cable to be measured, and the optical signal is converted into an electric signal after being converted by the conversion program of the central processing unit;
(3) and an oscilloscope of the error measuring circuit measures the delay value delta t of the electrical signal after the optical signal returned by the cable to be measured is decoded, and calculates the length error delta L of the cable to be measured according to the delay value transmitted by the signal of the cable to be measured.
Further, the method for calculating the length error Δ L of the cable to be measured comprises the following steps:
ΔL=Δt/2×5;
in the formula, Delta L is the length error of the cable to be measured, and the unit is mm; and delta t is an electric signal delay value read by an oscilloscope and has the unit of ps.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for implementing said design method for increasing cable lay length and accuracy when executed on an electronic device.
It is another object of the present invention to provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the design method for improving cable lay length and accuracy.
By combining all the technical schemes, the invention has the advantages and positive effects that: the design method for improving the cable laying length and precision effectively solves the problem of high-precision measurement of cable length errors, the measurement precision can reach mm (millimeter) level, and the device and the method for measuring the cable are provided for the cable laying engineering of an application system with high phase consistency requirements. The measuring circuit provided by the invention adopts the existing components, is matched with the central controller through a design program, is easy to realize, has low cost, is simple and convenient to implement, and is convenient to popularize and apply. Meanwhile, the invention can simulate the cable laying and output various laying schemes, so that a user can independently select or lay the cable based on the optimal scheme, thereby effectively improving the success rate of the cable laying.
Drawings
Fig. 1 is a flowchart of a design method for improving the cable laying length and precision according to an embodiment of the present invention.
FIG. 2 is a block diagram of a design system for increasing cable routing length and accuracy according to an embodiment of the present invention;
in the figure: 1. a cable laying data acquisition module; 2. a cable laying path planning module; 3. a cable lay length prediction module; 4. a central control module; 5. a cable laying simulation module; 6. a cable length adjustment module; 7. a cable laying precision improving module; 8. a cable laying error measuring module; 9. an abnormal information early warning module; 10. a data storage module; 11. and a display module.
Fig. 3 is a flowchart of a method for planning a cable laying path according to collected cable laying environment data by a cable laying path planning module using a path planning program according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for measuring a cable laying error by an optical cable length error measuring circuit according to an embodiment of the present invention.
Fig. 5 is a flowchart of a cable laying simulation method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a design method, system, medium, and apparatus for improving cable laying length and accuracy, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the design method for improving the cable laying length and precision provided by the embodiment of the invention includes the following steps:
and S101, acquiring environmental data of cable laying by using data acquisition equipment through a cable laying data acquisition module.
And S102, planning the cable laying path by using the path planning module according to the acquired environment data of cable laying by using a path planning program.
And S103, predicting the laying length of the cable to be laid according to the planned cable laying path by using a length prediction program through a cable laying length prediction module.
And S104, controlling the normal work of each module of the design system for improving the cable laying length and precision by using a central processing unit through a central control module.
And S105, simulating the laying of the cable by using a simulation device through a cable laying simulation module according to the cable laying path planning data and the length prediction data.
And S106, adjusting the cable length according to the cable laying simulation data by using a length adjusting program through a cable length adjusting module.
And S107, improving the cable laying precision by a cable laying precision improving module and a precision improving program and positioning equipment.
S108, measuring the cable laying error by using the cable length error measuring circuit through the cable laying error measuring module; and the abnormal cable laying information is early-warned by using the acousto-optic early warning device through the abnormal information early warning module.
And S109, storing the acquired environmental data of cable laying, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information by using a memory through a data storage module.
And S110, displaying the acquired environmental data of cable laying, the planning data of cable laying paths, the simulation data, the length adjustment data, the cable laying precision, the laying error data and the real-time data of early warning information by using an LED high-definition display through a display module.
As shown in fig. 2, a design system for improving cable laying length and accuracy provided by an embodiment of the present invention includes: the system comprises a cable laying data acquisition module 1, a cable laying path planning module 2, a cable laying length prediction module 3, a central control module 4, a cable laying simulation module 5, a cable length adjustment module 6, a cable laying precision improvement module 7, a cable laying error measurement module 8, an abnormal information early warning module 9, a data storage module 10 and a display module 11.
The cable laying data acquisition module 1 is connected with the central control module 4 and used for acquiring environment data of cable laying through data acquisition equipment;
the cable laying path planning module 2 is connected with the central control module 4 and used for planning a cable laying path according to the collected cable laying environment data through a path planning program;
the cable laying length prediction module 3 is connected with the central control module 4 and used for predicting the laying length of the cable to be laid according to the planned cable laying path through a length prediction program;
the central control module 4 is connected with the electric cable laying data acquisition module 1, the cable laying path planning module 2, the cable laying length prediction module 3, the cable laying simulation module 5, the cable length adjustment module 6, the cable laying precision improvement module 7, the cable laying error measurement module 8, the abnormal information early warning module 9, the data storage module 10 and the display module 11, and is used for controlling the normal work of each module of the design system for improving the cable laying length and precision through a central processing unit;
the cable laying simulation module 5 is connected with the central control module 4 and used for simulating the laying of the cable through simulation equipment according to the cable laying path planning data and the length prediction data;
the cable length adjusting module 6 is connected with the central control module 4 and is used for adjusting the cable length according to the cable laying simulation data through a length adjusting program;
the cable laying precision improving module 7 is connected with the central control module 4 and used for improving the cable laying precision by utilizing the positioning equipment through a precision improving program;
the cable laying error measuring module 8 is connected with the central control module 4 and used for measuring the cable laying error through the optical cable length error measuring circuit;
the abnormal information early warning module 9 is connected with the central control module 4 and is used for early warning abnormal cable laying information through an acousto-optic early warning device;
the data storage module 10 is connected with the central control module 4 and used for storing the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information through a memory;
and the display module 11 is connected with the central control module 4 and used for displaying the acquired environmental data of cable laying, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and real-time data of early warning information through an LED high-definition display.
The technical solution of the present invention is further described with reference to the following specific examples.
Example 1
A design method for improving the cable laying length and precision according to an embodiment of the present invention is shown in fig. 1, and as a preferred embodiment, as shown in fig. 3, a method for planning a cable laying path according to collected cable laying environment data by a path planning program through a cable laying path planning module according to an embodiment of the present invention includes:
s201, the cable laying channel is segmented and coded according to the collected environment data of cable laying through a path planning program, and the layer and the column of the cable laying channel are planned.
S202, planning different cable laying channel layers and columns according to the preset arrangement condition of the measuring instrument equipment and the control equipment.
And S203, designing a three-dimensional model of the cable laying channel, and planning a cable laying path according to different planned cable laying channel layers and columns.
Example 2
A design method for improving the cable laying length and precision according to an embodiment of the present invention is shown in fig. 1, and as a preferred embodiment, as shown in fig. 4, a method for measuring a cable laying error by using an optical cable length error measurement circuit according to an embodiment of the present invention includes:
and S301, by taking a clock signal sent by a clock source of the error measurement circuit as a test signal for measuring the length error, the test signal is converted by the conversion unit through the central processing unit to form an optical signal and returns the optical signal.
And S302, the error measuring circuit receives the optical signal and sends the optical signal to the cable to be measured, the optical signal is returned by the optical circulator at the tail end of the cable to be measured, and the optical signal is converted into an electric signal after being converted by the conversion program through the central processing unit.
And S303, an oscilloscope of the error measuring circuit measures the delay value delta t of the electrical signal after the optical signal returned by the cable to be measured is decoded, and the length error delta L of the cable to be measured is calculated according to the delay value transmitted by the signal of the cable to be measured.
The optical cable length error measuring circuit provided by the embodiment of the invention comprises a clock source, an optical circulator and an oscilloscope; the clock signal output by the clock source is accessed to the signal conversion unit of the central processing unit, and the clock coding processing chip is used for outputting the converted coding clock signal and returning the coding clock signal to the error measuring circuit; the tail end of the cable to be tested is connected with an optical circulator; the measurement precision of the oscilloscope is 20-25 ps/div.
The method for calculating the length error delta L of the cable to be measured provided by the embodiment of the invention comprises the following steps:
ΔL=Δt/2×5;
in the formula, Delta L is the length error of the cable to be measured, and the unit is mm; and delta t is an electric signal delay value read by an oscilloscope and has the unit of ps.
Example 3
As shown in fig. 1 and fig. 5, as a preferred embodiment, the design method for improving the cable laying length and precision provided in the embodiment of the present invention includes, as a cable laying simulation module, simulating the laying of a cable according to cable laying path planning data and length prediction data by using a simulation device, including:
s401, model drawing and creation of a cable laying place are carried out, and environmental parameters of a laying area are input into the created model;
s402, simulating and modeling the laying of the cable by using simulation equipment according to the cable laying path planning data and the length prediction data, and outputting a plurality of laying schemes based on an automatic cable sorting method and an automatic cable crossing evasion method;
s403, intelligently analyzing the multiple laying models obtained by the creation by using simulation equipment to obtain the cable usage amount of each model, the volume of the space occupied by the laying position, the safety index of laying and the cost and money data condition of the estimated laying cost; and comprehensively selecting the optimal scheme for output.
The environmental parameters of the laying area provided by the embodiment of the invention include but are not limited to the cable number specification, the cable starting and ending point and the bridge number.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A design method for improving the laying length and precision of a cable is characterized by comprising the following steps:
acquiring environmental data of cable laying by using data acquisition equipment through a cable laying data acquisition module; planning a cable laying path according to the acquired environment data of cable laying by using a path planning program through a cable laying path planning module;
predicting the laying length of the cable to be laid according to the planned cable laying path by using a length prediction program through a cable laying length prediction module;
thirdly, controlling the normal work of each module of the design system for improving the laying length and the laying precision of the cable by using a central processing unit through a central control module;
fourthly, simulating the laying of the cable by using a cable laying simulation module according to the cable laying path planning data and the length prediction data by using simulation equipment;
fifthly, adjusting the cable length by a cable length adjusting module according to the cable laying simulation data by using a length adjusting program; the cable laying precision is improved by the cable laying precision improving module and the precision improving program by the positioning equipment;
sixthly, measuring the cable laying error by using the cable length error measuring circuit through a cable laying error measuring module; the abnormal cable laying information is early-warned by an abnormal information early-warning module through an acousto-optic early-warning device;
storing the acquired environmental data of cable laying, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information by using a memory through a data storage module;
and step eight, displaying the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and real-time data of early warning information by using the LED high-definition display through the display module.
2. The design method for improving the cable laying length and precision as claimed in claim 1, wherein in step one, the method for planning the cable laying path by the cable laying path planning module according to the collected cable laying environment data by using the path planning program comprises:
(I) carrying out sectional coding on a cable laying channel according to the collected environment data of cable laying by a path planning program, and planning the layer and the column of the cable laying channel;
(II) planning different cable laying channel layers and lines according to the preset arrangement condition of the measuring instrument equipment and the control equipment;
and (III) designing a three-dimensional model of the cable laying channel, and planning a cable laying path according to different planned cable laying channel layers and lines.
3. The design method for improving the cable laying length and precision as claimed in claim 1, wherein in step four, the simulating the laying of the cable by the cable laying simulation module according to the cable laying path planning data and the length prediction data by using the simulation equipment comprises:
firstly, drawing and creating a model of a cable laying place, and inputting environmental parameters of a laying area into the created model;
secondly, simulation modeling is carried out on the laying of the cable by using simulation equipment according to cable laying path planning data and length prediction data, and a plurality of laying schemes are output based on an automatic cable sorting method and an automatic cable crossing avoiding method;
finally, carrying out intelligent analysis on the multiple laying models obtained by creation by utilizing simulation equipment to obtain the cable usage amount, the volume of the space occupied by the laying position, the laying safety index and the cost and money data condition of the estimated laying cost of each model; and comprehensively selecting the optimal scheme for output.
4. A design method for improving the cable laying length and precision as claimed in claim 3, wherein the environment parameters of the laying area include but are not limited to cable number specification, cable start and end point, bridge number.
5. The design method for improving the laying length and the laying precision of the cable according to claim 1, wherein in the sixth step, the optical cable length error measuring circuit comprises a clock source, an optical circulator and an oscilloscope;
the clock signal output by the clock source is accessed to the signal conversion unit of the central processing unit, and the clock coding processing chip is used for outputting the converted coding clock signal and returning the coding clock signal to the error measuring circuit; the tail end of the cable to be tested is connected with an optical circulator; the measurement precision of the oscilloscope is 20-25 ps/div.
6. The design method for improving the cable laying length and precision according to claim 1, wherein in step six, the method for measuring the cable laying error through the optical cable length error measuring circuit comprises the following steps:
(1) by taking a clock signal sent by a clock source of the error measurement circuit as a test signal for measuring the length error, the test signal is converted by the conversion unit through the central processing unit to form an optical signal and returns the optical signal;
(2) the error measuring circuit receives the optical signal and sends the optical signal to the cable to be measured, the optical signal is returned by the optical circulator at the tail end of the cable to be measured, and the optical signal is converted into an electric signal after being converted by the conversion program of the central processing unit;
(3) and an oscilloscope of the error measuring circuit measures the delay value delta t of the electrical signal after the optical signal returned by the cable to be measured is decoded, and calculates the length error delta L of the cable to be measured according to the delay value transmitted by the signal of the cable to be measured.
7. The design method for improving the cable laying length and precision as claimed in claim 6, wherein the method for calculating the length error Δ L of the cable to be measured is as follows:
ΔL=Δt/2×5;
in the formula, Delta L is the length error of the cable to be measured, and the unit is mm; and delta t is an electric signal delay value read by an oscilloscope and has the unit of ps.
8. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for implementing a design method for improving cable run length and accuracy as claimed in any one of claims 1 to 7 when executed on an electronic device.
9. A computer readable storage medium storing instructions which, when executed on a computer, cause the computer to perform a design method for improving cable lay length and accuracy as claimed in any one of claims 1 to 7.
10. A design system for improving the cable laying length and precision, which implements the design method for improving the cable laying length and precision according to any one of claims 1 to 7, wherein the design system for improving the cable laying length and precision comprises:
the system comprises a cable laying data acquisition module, a cable laying path planning module, a cable laying length prediction module, a central control module, a cable laying simulation module, a cable length adjustment module, a cable laying precision improvement module, a cable laying error measurement module, an abnormal information early warning module, a data storage module and a display module;
the cable laying data acquisition module is connected with the central control module and used for acquiring environment data of cable laying through data acquisition equipment;
the cable laying path planning module is connected with the central control module and used for planning a cable laying path according to the collected cable laying environment data through a path planning program;
the cable laying length prediction module is connected with the central control module and used for predicting the laying length of the cable to be laid according to the planned cable laying path through a length prediction program;
the central control module is connected with the cable laying data acquisition module, the cable laying path planning module, the cable laying length prediction module, the cable laying simulation module, the cable length adjustment module, the cable laying precision improvement module, the cable laying error measurement module, the abnormal information early warning module, the data storage module and the display module and is used for controlling the normal work of each module of the design system for improving the cable laying length and precision through the central processing unit;
the cable laying simulation module is connected with the central control module and used for simulating the laying of the cable through simulation equipment according to the cable laying path planning data and the length prediction data;
the cable length adjusting module is connected with the central control module and used for adjusting the cable length according to the cable laying simulation data through a length adjusting program;
the cable laying precision improving module is connected with the central control module and used for improving the cable laying precision by utilizing the positioning equipment through a precision improving program;
the cable laying error measuring module is connected with the central control module and used for measuring the cable laying error through the optical cable length error measuring circuit;
the abnormal information early warning module is connected with the central control module and is used for early warning abnormal cable laying information through the acousto-optic early warning device;
the data storage module is connected with the central control module and used for storing the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and early warning information through a memory;
and the display module is connected with the central control module and used for displaying the collected cable laying environment data, cable laying path planning data, simulation data, length adjustment data, cable laying precision, laying error data and real-time data of early warning information through the LED high-definition display.
CN202011256458.5A 2020-05-16 2020-11-11 Design method, system, medium and equipment for improving cable laying length and precision Pending CN112149317A (en)

Applications Claiming Priority (2)

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CN2020104159012 2020-05-16
CN202010415901 2020-05-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112968398A (en) * 2021-02-22 2021-06-15 上海市城市建设设计研究总院(集团)有限公司 Intelligent wiring method for BIM cable bridge based on inventory list
CN114722552A (en) * 2022-06-09 2022-07-08 深圳荣耀智能机器有限公司 Cable length verification method and electronic equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
聂兵: "光纤通信", 北京理工大学出版社, pages: 16 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112968398A (en) * 2021-02-22 2021-06-15 上海市城市建设设计研究总院(集团)有限公司 Intelligent wiring method for BIM cable bridge based on inventory list
CN114722552A (en) * 2022-06-09 2022-07-08 深圳荣耀智能机器有限公司 Cable length verification method and electronic equipment

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