CN114353679B - Wire sag on-line monitoring system based on difference Beidou technology - Google Patents
Wire sag on-line monitoring system based on difference Beidou technology Download PDFInfo
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Abstract
The invention provides a wire sag on-line monitoring system based on a differential Beidou technology. The wire sag on-line monitoring system based on the differential Beidou technology comprises a high-voltage power transmission end, wherein the high-voltage power transmission end is electrically connected with a wire sag monitoring module, the wire sag monitoring module is electrically connected with a differential positioning calculation module, and the differential positioning calculation module is connected with a data master control module through wireless signals. The rigidity error calculation unit and the change error calculation unit perform error elimination on the arc values monitored by the inclination angle sensing monitoring unit, the numerical value calculation unit is utilized to calculate the final average wire arc value after statistics is performed by the numerical value statistics unit, the mobile receiving end can correct the distance measurement value of the mobile receiving end to the Beidou satellite end unit by utilizing the received measurement error of the fixed receiving end, and therefore the measurement and positioning accuracy of the mobile receiving end is improved, and the positioning position is more accurate.
Description
Technical Field
The invention belongs to the technical field of high-voltage electric monitoring, and particularly relates to a wire sag on-line monitoring system based on a differential Beidou technology.
Background
It is known that in practice, the current passing through the wire increases the temperature of the wire, but the increase in the temperature of the wire causes oxidation of the wire at the joint or even the joint to be blown; the rise of the temperature of the wire also causes the sag of the wire to increase, so that the wire is discharged due to insufficient crossing distance, and in recent years, due to the requirement of increasing the power load, in order to improve the transmission capacity of many existing transmission lines, the maximum operation allowable temperature of the wire is increased from 70 ℃ to 80 ℃, and then the sag of the wire becomes a main constraint factor. In addition to the change in line operating load that can cause a change in wire sag, the weather conditions of the surrounding environment can also affect the change in wire sag.
The excessive sag of the lead not only can cause accident potential, but also can limit the transmission energy of the transmission line
Force, in order to ensure safe operation of a power transmission line and spanned equipment, sag needs to be checked or monitored in real time, an abnormal position needs to be accurately positioned, and certain errors exist in the existing implementation positioning, so that positioning inaccuracy is caused.
Disclosure of Invention
The invention provides a wire sag on-line monitoring system based on a differential Beidou technology, which aims to solve the defects of the prior art and enable monitoring data to be more accurate and positioning positions to be more accurate.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the wire sag on-line monitoring system based on the differential Beidou technology comprises a high-voltage power transmission end, wherein the high-voltage power transmission end is electrically connected with a wire sag monitoring module, the wire sag monitoring module is electrically connected with a differential positioning calculation module, and the differential positioning calculation module is connected with a data master control module through wireless signals;
the wire sag monitoring module is used for monitoring a wire arc of the high-voltage transmission end;
The differential positioning calculation module confirms the abnormal accurate position of the high-voltage transmission end by using a Beidou differential technology;
The data master control module is used for controlling the wire arcs in the background.
Further, the wire sag monitoring module comprises a numerical value counting unit, a numerical value calculating unit, a numerical value sending unit and a sensing detection module, wherein the sensing detection module is connected with the numerical value counting unit, the numerical value counting unit is connected with the numerical value calculating unit, and the numerical value calculating unit is connected with the numerical value sending unit.
Further, the differential positioning calculation module comprises a data receiving unit, a numerical value classification temporary storage unit, a position positioning unit, a differential calculation module and a comprehensive transmission unit, wherein the data receiving unit is connected with the numerical value transmission unit, the data receiving unit is respectively connected with the numerical value classification temporary storage unit, the position positioning unit is connected with the differential calculation module, and the numerical value classification temporary storage unit and the differential calculation module are both connected with the comprehensive transmission unit.
Further, the data total control module comprises a comprehensive numerical value receiving unit, a total control host end and a data display assembly unit, wherein the comprehensive numerical value receiving unit is connected with the comprehensive sending unit through a wireless signal, the comprehensive numerical value receiving unit is connected with the total control host end, and the total control host end is connected with the data display assembly unit.
Further, the sensing detection module comprises a temperature sensing monitoring unit, a tension sensing monitoring unit, an inclination sensing monitoring unit and a data error importing module, wherein the data error importing module is respectively connected with the temperature sensing monitoring unit, the tension sensing monitoring unit and the inclination sensing monitoring unit, and the temperature sensing monitoring unit, the tension sensing monitoring unit and the inclination sensing monitoring unit are respectively connected with the numerical value statistics unit.
Further, the difference calculation module comprises a Beidou satellite end unit, a measurement error calculation unit, a fixed receiver end, a base station receiving end and a mobile receiving end, wherein the Beidou satellite end unit is connected with the fixed receiver end through a wireless signal, the Beidou satellite end unit is connected with the measurement error calculation unit, the measurement error calculation unit is connected with the base station receiving end, the fixed receiver end is connected with the base station receiving end through the wireless signal, the base station receiving end is connected with the mobile receiving end through the wireless signal, and the mobile receiving end is connected with the comprehensive transmitting unit through the wireless signal.
Further, the data error importing module comprises a wind speed error calculating unit, a radial error calculating unit, an axial error calculating unit, an environment error calculating unit, a temperature error calculating unit, a rigidity error calculating unit, a change error calculating unit, a temperature monitoring error confirming unit, a tension monitoring error confirming unit, an inclination monitoring error confirming unit and an error classification importing unit, wherein the wind speed error calculating unit, the radial error calculating unit and the axial error calculating unit are respectively connected with the temperature monitoring error confirming unit, the environment error calculating unit and the temperature error calculating unit are respectively connected with the tension monitoring error confirming unit, the rigidity error calculating unit and the change error calculating unit are respectively connected with the inclination monitoring error confirming unit, the temperature monitoring error confirming unit is connected with the temperature sensing monitoring unit through the error classification importing unit, the tension monitoring error confirming unit is connected with the tension sensing monitoring unit through the error classification importing unit, and the inclination monitoring error confirming unit is connected with the inclination sensing unit through the error classification importing unit.
Further, the mobile receiving end is connected with the master host end and the data display assembly unit through wireless signals.
Working principle:
The high-voltage transmission terminal essentially belongs to an outdoor high-voltage transmission component, the high-voltage transmission terminal is monitored in real time by a wire sag monitoring module which is uniformly arranged at fixed points, a sensing detection module which is arranged in the wire sag monitoring module is used for implementing accurate monitoring work, a temperature sensing monitoring unit which belongs to the sensing detection module calculates the wire sag by using the line temperature of a transmission line and the linear expansion coefficient of the line temperature, a tension sensing monitoring unit which belongs to the sensing detection module calculates the wire sag value by using the relation between the axial stress and the axial tension of the transmission line, an inclination angle sensing monitoring unit which belongs to the sensing detection module calculates the wire sag value by using the projection inclination angle of the tangent line of a wire suspension point line and the included angle of the horizontal direction in a vertical plane, The data error importing module of the sensing detection module carries out calculation and corresponding elimination on the error in the monitoring process of the sensing detection module, wherein the wind speed error calculating unit calculates the calculated error value of the temperature sensing detection unit under different wind speeds by calculating the error value of different wind speeds, the radial error calculating unit calculates the calculated error value of the temperature sensing detection unit under different radial stresses by calculating the value of the radial stress, the axial error calculating unit calculates the calculated error value of the temperature sensing detection unit under different axial stresses by calculating the value of the axial stress, the values calculated by the axial error calculating unit, the radial error calculating unit and the axial error calculating unit are imported into the temperature sensing detection unit by using the error classification importing unit after being confirmed by the temperature monitoring error confirming unit, performing error elimination on the arc values monitored by the temperature sensing monitoring unit, calculating the error values of the tension sensing monitoring unit at different environmental temperatures by the environmental error calculating unit, calculating the error values of the tension sensing monitoring unit at different temperatures by the temperature error calculating unit at different temperatures of the wire cells, comprehensively confirming the error values calculated by the environmental error calculating unit and the temperature error calculating unit by the tension sensing error confirming unit, introducing the error values into the tension sensing monitoring unit by the error classification introducing unit, performing error elimination on the arc values monitored by the tension sensing monitoring unit, The rigidity error calculating unit calculates the error value of the inclination angle sensing monitoring unit under the rigidity of different electric cores by calculating the value of the rigidity of different electric cores, the change error calculating unit calculates the error value of the inclination angle sensing monitoring unit under the different inclination angles of the change of the lead by calculating the value of the inclination angle under the state of different change, the rigidity error calculating unit and the change error calculating unit are used for guiding the error value to the inclination angle sensing monitoring unit by utilizing the error classification guiding unit after comprehensively confirming the error value calculated by the tension monitoring error confirming unit, the arc values monitored by the inclination angle sensing monitoring unit are eliminated by utilizing the error classification guiding unit, the lead arc values respectively measured and calculated by the temperature sensing monitoring unit, the tension sensing monitoring unit and the inclination angle sensing monitoring unit are counted by the value counting unit, Calculating the average value by using a numerical calculation unit, finally obtaining an accurate numerical value, transmitting the final numerical value to a data receiving unit by using a numerical value transmitting unit, storing the numerical value of the data receiving unit by using a numerical value classification temporary storage unit, positioning the position of the numerical value calculation by using a position positioning unit, transmitting a numerical value measurement error of the positioning position of a fixed receiver end fixed at the position of a wire arc calculation to a mobile receiving end by using a base station receiving end included in a differential calculation module through a wireless signal, correcting the distance measurement value of the Beidou satellite end unit by using the received measurement error of the fixed receiver end by using the mobile receiving end, thereby improving the measurement and positioning accuracy of the mobile receiving end, The positioning position is more accurate, the positioned position information and the accurate wire arc value stored by the numerical classification temporary storage unit are transmitted to the comprehensive value receiving unit arranged at the main control host end of the monitoring control main station through the comprehensive transmitting unit, and after the integrated value receiving unit receives the information, the information can be displayed on the data display assembly unit or the mobile receiving end arranged at the main control host end, and the personnel can check the information through the mobile receiving end or the data display assembly unit.
The beneficial effects are that:
1. According to the invention, the temperature sensing monitoring unit is used for monitoring the wire arcs of the high-line power transmission line by adding the temperature sensing monitoring unit, the tension sensing monitoring unit and the inclination angle sensing monitoring unit, the temperature sensing monitoring unit is used for calculating the wire arcs by using the line temperature of the transmission line and the linear expansion coefficient of the line temperature, the tension sensing monitoring unit is used for calculating the wire arcs by using the relation between the axial stress and the axial tension of the transmission line, the inclination angle sensing monitoring unit is used for calculating the wire arcs by using the projection inclination angle of the tangential line of the wire suspension point line and the horizontal direction in the vertical plane, the wind speed error calculating unit, the radial error calculating unit and the axial error calculating unit are used for carrying out error elimination on the arc arcs monitored by the temperature sensing monitoring unit, the environmental error calculating unit and the temperature error calculating unit are used for carrying out error elimination on the arc arcs monitored by the tension sensing monitoring unit, and the rigidity error calculating unit and the change error calculating unit are used for calculating the final average wire arcs by using the numerical calculating unit after statistics, and the final average wire arcs are obtained by using the numerical calculating unit, and the high precision of the wire arcs is realized after various different monitoring methods and error elimination are integrated.
2. According to the invention, through the added differential calculation module, the base station receiving end is utilized to transmit the numerical measurement error of the positioning position of the fixed receiver end fixed at the measuring and calculating position of the wire loop to the mobile receiving end through the wireless signal, and the mobile receiving end can correct the distance measurement value of the mobile receiving end to the Beidou satellite end unit by utilizing the received measurement error of the fixed receiver end, so that the measurement and positioning precision of the mobile receiving end is improved, and the positioning position is more accurate.
Drawings
FIG. 1 is a schematic diagram of an operational flow system rack of the present invention;
FIG. 2 is a schematic diagram of a system architecture of a wire sag monitoring module according to the present invention;
FIG. 3 is a schematic diagram of a differential positioning computing module system architecture according to the present invention;
FIG. 4 is a schematic diagram of a data master control module system architecture according to the present invention;
FIG. 5 is a schematic diagram of a sensor detection module system architecture according to the present invention;
FIG. 6 is a schematic diagram of a differential computing module system architecture according to the present invention;
FIG. 7 is a schematic diagram of a system architecture of a data error import module according to the present invention.
1, A high-voltage power transmission end; 2. a wire sag monitoring module; 3. a differential positioning calculation module; 4. a data master control module; 5. a sensing detection module; 6. a differential calculation module; 7. a data error importing module; 201. a numerical value statistics unit; 202. a numerical value calculation unit; 203. a numerical value transmission unit; 301. a data receiving unit; 302. a numerical value classification temporary storage unit; 303. a position locating unit; 304. a comprehensive transmitting unit; 401. a comprehensive value receiving unit; 402. a master host end; 403. a data display assembly unit; 501. a temperature sensing monitoring unit; 502. a tension sensing and monitoring unit; 503. an inclination angle sensing and monitoring unit; 601. the Beidou satellite terminal unit; 602. a measurement error calculation unit; 603. fixing a receiver end; 604. a base station receiving end; 605. a mobile receiving end; 701. a wind speed error calculation unit; 702. a radial error calculation unit; 703. an axial error calculation unit; 704. an environmental error calculation unit; 705. a temperature error calculation unit; 706. a rigidity error calculation unit; 707. a variation error calculation unit; 708. a temperature monitoring error confirmation unit; 709. a tension monitoring error confirmation unit; 710. an inclination angle monitoring error confirmation unit; 711. and an error classification importing unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
As shown in fig. 1-7, the embodiment of the invention provides a wire sag on-line monitoring system based on a differential beidou technology, which comprises a high-voltage power transmission end 1, wherein the high-voltage power transmission end 1 substantially belongs to an outdoor high-voltage power transmission assembly, the high-voltage power transmission end 1 is electrically connected with a wire sag monitoring module 2, the wire sag monitoring module 2 which is uniformly arranged at fixed points is used for monitoring the wire sag of the high-voltage power transmission end 1 in real time, the wire sag monitoring module 2 is electrically connected with a differential positioning calculation module 3, and the differential positioning calculation module 3 is connected with a data master control module 4 through wireless signals;
the wire sag monitoring module 2 is used for monitoring the wire arcs of the high-voltage power transmission end 1;
The differential positioning calculation module 3 confirms the abnormal accurate position of the high-voltage transmission end 1 by using a Beidou differential technology;
the data master control module 4 is used for realizing that the wire arc is controlled in the background.
The wire sag monitoring module 2 comprises a numerical statistics unit 201, a numerical calculation unit 202, a numerical transmission unit 203 and a sensing detection module 5, wherein the sensing detection module 5 is connected with the numerical statistics unit 201, the numerical statistics unit 201 is connected with the numerical calculation unit 202, the numerical calculation unit 202 is connected with the numerical transmission unit 203, after the wire sag values respectively measured and calculated by the temperature sensing monitoring unit 501, the tension sensing monitoring unit 502 and the inclination sensing monitoring unit 503 are counted by the numerical statistics unit 201, the average value is calculated by the numerical calculation unit 202, and finally the accurate numerical value is obtained.
The differential positioning calculation module 3 comprises a data receiving unit 301, a numerical value classification temporary storage unit 302, a position positioning unit 303, a differential calculation module 6 and a comprehensive transmission unit 304, wherein the data receiving unit 301 is connected with the numerical value transmission unit 203, the data receiving unit 301 is respectively connected with the numerical value classification temporary storage unit 302, the position positioning unit 303 is connected with the differential calculation module 6, the numerical value classification temporary storage unit 302 and the differential calculation module 6 are both connected with the comprehensive transmission unit 304, and the positioned position information and the accurate wire arc value stored by the numerical value classification temporary storage unit 302 are transmitted to the comprehensive numerical value receiving unit 401 arranged at a general control host end 402 of the monitoring control general station together through the comprehensive transmission unit 304.
The data total control module 4 comprises a comprehensive numerical value receiving unit 401, a total control host end 402 and a data display assembly unit 403, wherein the comprehensive numerical value receiving unit 401 is connected with the comprehensive sending unit 304 through a wireless signal, the comprehensive numerical value receiving unit 401 is connected with the total control host end 402, the total control host end 402 is connected with the data display assembly unit 403, and after the comprehensive numerical value receiving unit 401 receives positioning information and a wire arc value generated by the comprehensive sending unit 304, the positioning information and the wire arc value can be displayed on the data display assembly unit 403 or the mobile receiving end 605 arranged on the total control host end 402, and personnel can check through the mobile receiving end 605 or the data display assembly unit 403.
The sensing detection module 5 comprises a temperature sensing detection unit 501, a tension sensing detection unit 502, an inclination angle sensing detection unit 503 and a data error introduction module 7, the data error introduction module 7 is respectively connected with the temperature sensing detection unit 501, the tension sensing detection unit 502 and the inclination angle sensing detection unit 503, the temperature sensing detection unit 501, the tension sensing detection unit 502 and the inclination angle sensing detection unit 503 are respectively connected with the numerical statistics unit 201, the sensing detection module 5 arranged in the wire sag detection module 2 is used for implementing accurate monitoring work, the temperature sensing detection unit 501 of the sensing detection module 5 calculates a wire arc by utilizing the line temperature of a conveying line and the line temperature linear expansion coefficient, the tension sensing detection unit 502 calculates a wire arc value by utilizing the relation between the axial stress and the axial tension of the conveying line, and the inclination angle sensing detection unit 503 calculates the wire arc value by utilizing the projection inclination angle of the tangent line of a wire suspension point line and the horizontal direction in the vertical plane.
The difference calculation module 6 includes big dipper satellite end unit 601, measurement error calculation unit 602, fixed receiver end 603, base station receiving end 604 and removal receiving end 605, big dipper satellite end unit 601 passes through wireless signal connection fixed receiver end 603, big dipper satellite end unit 601 connects measurement error calculation unit 602, measurement error calculation unit 602 connects base station receiving end 604, fixed receiver end 603 passes through wireless signal connection base station receiving end 604, base station receiving end 604 passes through wireless signal connection removal receiving end 605, removal receiving end 605 passes through wireless signal connection integrated transmission unit 304, removal receiving end 605 passes through wireless signal connection total control host end 402 and data display module unit 403, base station receiving end 604 sends fixed receiver end 603 fixed in wire arc measuring and calculating position numerical value measuring error to removal receiving end 605 through wireless signal, removal receiving end 605 just can utilize the measuring error of fixed receiver end 603 of receipt to correct the distance measurement value of removal receiving end 605 to big dipper satellite end unit 601, thereby improve the measurement and the precision of location of removal receiving end 605, make the location position more accurate.
The data error importing module 7 comprises a wind speed error calculating unit 701, a radial error calculating unit 702, an axial error calculating unit 703, an environmental error calculating unit 704, a temperature error calculating unit 705, a stiffness error calculating unit 706, a change error calculating unit 707, a temperature monitoring error confirming unit 708, a tension monitoring error confirming unit 709, a dip monitoring error confirming unit 710 and an error classifying importing unit 711, wherein the wind speed error calculating unit 701, the radial error calculating unit 702 and the axial error calculating unit 703 are respectively connected with the temperature monitoring error confirming unit 708, The environmental error calculation unit 704 and the temperature error calculation unit 705 are respectively connected with the tension monitoring error confirmation unit 709, the rigidity error calculation unit 706 and the change error calculation unit 707 are respectively connected with the inclination monitoring error confirmation unit 710, the temperature monitoring error confirmation unit 708 is connected with the temperature sensing and monitoring unit 501 through the error classification leading-in unit 711, the wind speed error calculation unit 701 calculates the measuring error value of the temperature sensing and monitoring unit 501 under different wind speeds by calculating the error value of different wind speeds, the radial error calculation unit 702 calculates the measuring error value of the temperature sensing and monitoring unit 501 under different radial stresses by calculating the value of the radial stress, The axial error calculation unit 703 calculates the measured error value of the temperature sensing and monitoring unit 501 in different axial stresses by calculating the number of axial stresses, the values calculated by the axial error calculation unit 703, the radial error calculation unit 702 and the axial error calculation unit 703 are confirmed by the temperature sensing and monitoring unit 708, then are introduced into the temperature sensing and monitoring unit 501 by the error classification introduction unit 711, the arc value monitored by the temperature sensing and monitoring unit 501 is error-eliminated, the tension sensing and monitoring unit 709 is connected with the tension sensing and monitoring unit 502 by the error classification introduction unit 711, The environmental error calculating unit 704 calculates the error value of the tension sensing unit 502 at different environmental temperatures by calculating the value at different environmental temperatures, the temperature error calculating unit 705 calculates the error value of the tension sensing unit 502 at different cell temperatures by calculating the value at different wire cell temperatures, the environmental error calculating unit 704 and the error value calculated by the temperature error calculating unit 705 are comprehensively confirmed by the tension monitoring error confirming unit 709, and then the error value is led into the tension sensing unit 502 by the error classification leading-in unit 711 to perform error elimination on the arc value monitored by the tension sensing unit 502, The tilt angle monitoring error confirmation unit 710 is connected to the tilt angle sensing monitoring unit 503 through the error classification introduction unit 711, the rigidity error calculation unit 706 calculates the error value of the tilt angle sensing monitoring unit 503 under different cell rigidity by calculating the value under different cell rigidity, the change error calculation unit 707 calculates the error value of the tilt angle sensing monitoring unit 503 under different tilt angles of the wire change by calculating the value under different change tilt angle state, the rigidity error calculation unit 706 and the error value calculated by the change error calculation unit 707 are comprehensively confirmed through the tension monitoring error confirmation unit 709, and then are introduced to the tilt angle sensing monitoring unit 503 through the error classification introduction unit 711, Error cancellation is performed on the arc values monitored by the tilt sensor monitoring unit 503.
Claims (5)
1. Wire sag on-line monitoring system based on difference big dipper technique, including high tension transmission end (1), its characterized in that: the high-voltage power transmission end (1) is electrically connected with the wire sag monitoring module (2), the wire sag monitoring module (2) is electrically connected with the differential positioning calculation module (3), and the differential positioning calculation module (3) is connected with the data master control module (4) through wireless signals;
The wire sag monitoring module (2) is used for monitoring a wire arc of the high-voltage transmission end (1);
The differential positioning calculation module (3) confirms the abnormal accurate position of the high-voltage transmission end (1) by using a Beidou differential technology;
The data total control module (4) is used for realizing control of the wire arc in the background;
The wire sag monitoring module (2) comprises a numerical value counting unit (201), a numerical value calculating unit (202), a numerical value sending unit (203) and a sensing detection module (5), wherein the sensing detection module (5) is connected with the numerical value counting unit (201), the numerical value counting unit (201) is connected with the numerical value calculating unit (202), and the numerical value calculating unit (202) is connected with the numerical value sending unit (203);
The sensing detection module (5) comprises a temperature sensing monitoring unit (501), a tension sensing monitoring unit (502), an inclination sensing monitoring unit (503) and a data error importing module (7), wherein the data error importing module (7) is respectively connected with the temperature sensing monitoring unit (501), the tension sensing monitoring unit (502) and the inclination sensing monitoring unit (503), and the temperature sensing monitoring unit (501), the tension sensing monitoring unit (502) and the inclination sensing monitoring unit (503) are respectively connected with the numerical value statistics unit (201);
The data error importing module (7) comprises a wind speed error calculating unit (701), a radial error calculating unit (702), an axial error calculating unit (703), an environmental error calculating unit (704), a temperature error calculating unit (705), a rigidity error calculating unit (706), a change error calculating unit (707), a temperature monitoring error confirming unit (708), a tension monitoring error confirming unit (709), an inclination monitoring error confirming unit (710) and an error classification importing unit (711), wherein the wind speed error calculating unit (701), the radial error calculating unit (702) and the axial error calculating unit (703) are respectively connected with the temperature monitoring error confirming unit (708), the environmental error calculating unit (704) and the temperature error calculating unit (705) are respectively connected with the tension monitoring error confirming unit (709), the rigidity error calculating unit (706) and the change error calculating unit (707) are respectively connected with the inclination monitoring error confirming unit (710), the temperature monitoring error classifying unit (708) is connected with the temperature sensing unit (501) through the error classification importing unit (711), the tension monitoring error confirming unit (709) is connected with the tension sensing unit (502) through the error importing unit (711), the tilt angle monitoring error confirmation unit (710) is connected with the tilt angle sensing monitoring unit (503) through an error classification leading-in unit (711).
2. The differential Beidou technology-based wire sag on-line monitoring system of claim 1, wherein: the differential positioning calculation module (3) comprises a data receiving unit (301), a numerical value classification temporary storage unit (302), a position positioning unit (303), a differential calculation module (6) and a comprehensive transmission unit (304), wherein the data receiving unit (301) is connected with the numerical value transmission unit (203), the data receiving unit (301) is respectively connected with the numerical value classification temporary storage unit (302), the position positioning unit (303) is connected with the differential calculation module (6), and the numerical value classification temporary storage unit (302) and the differential calculation module (6) are both connected with the comprehensive transmission unit (304).
3. The differential Beidou technology-based wire sag on-line monitoring system of claim 1, wherein: the data total control module (4) comprises a comprehensive numerical value receiving unit (401), a total control host end (402) and a data display assembly unit (403), wherein the comprehensive numerical value receiving unit (401) is connected with the comprehensive sending unit (304) through a wireless signal, the comprehensive numerical value receiving unit (401) is connected with the total control host end (402), and the total control host end (402) is connected with the data display assembly unit (403).
4. The differential Beidou technology-based wire sag on-line monitoring system of claim 2, wherein: the differential calculation module (6) comprises a Beidou satellite end unit (601), a measurement error calculation unit (602), a fixed receiver end (603), a base station receiving end (604) and a mobile receiving end (605), wherein the Beidou satellite end unit (601) is connected with the fixed receiver end (603) through a wireless signal, the Beidou satellite end unit (601) is connected with the measurement error calculation unit (602), the measurement error calculation unit (602) is connected with the base station receiving end (604), the fixed receiver end (603) is connected with the base station receiving end (604) through a wireless signal, the base station receiving end (604) is connected with the mobile receiving end (605) through a wireless signal, and the mobile receiving end (605) is connected with the comprehensive sending unit (304) through a wireless signal.
5. The differential Beidou technology-based wire sag on-line monitoring system of claim 4, wherein: the mobile receiving end (605) is connected with the master host end (402) and the data display assembly unit (403) through wireless signals.
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| CN109508808A (en) * | 2018-09-03 | 2019-03-22 | 广东工业大学 | A kind of arc sag prediction technique based on PSO-BP neural network |
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