CN211698207U - Railway bridge deformation monitoring system based on big dipper and multisensor - Google Patents
Railway bridge deformation monitoring system based on big dipper and multisensor Download PDFInfo
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- CN211698207U CN211698207U CN201921487116.7U CN201921487116U CN211698207U CN 211698207 U CN211698207 U CN 211698207U CN 201921487116 U CN201921487116 U CN 201921487116U CN 211698207 U CN211698207 U CN 211698207U
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Abstract
The utility model relates to a railway track monitoring technology provides a railway bridge deformation monitoring system based on big dipper and multisensor, and the volume is subsided to the qxcomm technology that can survey the railway pier in real time, makes things convenient for the analysis and the judgement of data. The method comprises the steps that an observation pier is arranged on one side of the pier arrangement direction, a Beidou first-stage reference station and a Beidou second-stage reference station are arranged on the observation pier, an inclination angle sensor and a Beidou detection station are arranged on the upper portion of the pier, and a static level gauge is arranged on the lower portion of the pier. The all-weather continuous monitoring mode is provided to replace the original monitoring mode, the working efficiency is improved, the safety of the railway bridge is guaranteed, the full-automatic monitoring mode is adopted, the monitoring mode is unattended, and the whole process is completed automatically.
Description
The invention discloses a priority of domestic application which is provided by an applicant, has the application date of 2019, 29.01 and the application number of 2019201628035 and is named as a railway bridge deformation monitoring system based on Beidou and multiple sensors. The entire contents of the above application are incorporated herein by reference in their entirety.
Technical Field
The utility model relates to a railway rails monitoring technology, concretely relates to railway bridge deformation monitoring system based on big dipper and multisensor.
Background
With the continuous high-speed development of railway traffic in China, particularly high-speed railways, the railway vehicle has an indispensable important position in the production and life of national economy. At present, the development of a railway system is gradually shifted to a later operation and maintenance stage from large-scale construction, deformation monitoring and adjustment of a railway track are important means for guaranteeing trip safety, particularly an overhead railway bridge is an important part for settlement due to the construction particularity, and when the traditional railway bridge deforms, optical instruments such as a total station and a precision level are generally used for monitoring.
Differential positioning is also called differential GPS technology, i.e. a GPS receiver is placed on a reference station for observation. And calculating the distance correction number from the reference station to the satellite according to the known precise coordinates of the reference station, and transmitting the data in real time by the reference station. The user receiver receives the correction number sent by the reference station while carrying out GPS observation and corrects the positioning result, thereby improving the positioning accuracy, and the method can be simply understood as that a GPS receiver (called as a reference station) is arranged at a point with known coordinates, the correction value of the observation value is calculated by using the known coordinates and satellite ephemeris, the correction value is sent to a GPS receiver (called as a rover) in motion through a radio device (called as a data chain), and the rover corrects the own GPS observation value by using the received correction value so as to eliminate the influence of satellite clock error, receiver clock error, atmosphere ionosphere and troposphere refraction error.
The utility model discloses an authorization notice number is CN 205138471U's china utility model discloses a "railway roadbed subsides real-time monitoring system based on big dipper dual-frenquency is measured", "station surveillance center passes through analysis historical monitoring data, reachs the subside deformation trend of railway roadbed, deals with in advance in order to relieve dangerous railway roadbed subsides real-time monitoring system based on big dipper dual-frenquency is measured" (description 4 th paragraph), and the description of this application has emphatically described "big dipper dual-frenquency receiver adopts two frequency points of B1I and B2I of big dipper satellite navigation positioning system to carry out dual-frenquency differential positioning, adopts carrier phase measurement algorithm to solve. This system adopts local carrier phase difference to divide the location, does not need to build the reference station, greatly reduced the construction cost of system ", however this monitoring system can not subdivide the horizontal deformation and the vertical deformation of railway bridge, can't survey the monitoring of the qxcomm technology settlement volume of pier in real time, therefore the rate of accuracy is limited, is unfavorable for the analysis and the judgement in later stage.
Therefore, an all-weather continuous monitoring mode is needed, which can measure the omnidirectional settlement of the pier in real time and facilitate the analysis and judgment of data.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of current railway bridge monitoring system, the adaptation reality needs, provides a railway bridge deformation monitoring system based on big dipper and multisensor, and the volume is subsided to the qxcomm technology that can survey the railway pier in real time, makes things convenient for the analysis and the judgement of data.
In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:
the utility model provides a railway bridge deformation monitoring system based on big dipper and multisensor, sets up the observation mound in one side of pier array orientation it sets up big dipper one-level reference station and big dipper second grade reference station to observe on the mound tilt sensor and big dipper check station are laid on pier upper portion the hydrostatic level is laid to the pier lower part.
Preferably, the pier includes pier body and pier cap, the head is surveyed to a plurality of hydrostatic level appearance encircles lay the pier body lower part, an observation head of hydrostatic level appearance is laid the fixed position of big dipper second grade reference station, and at least one inclination sensor is laid the pier body with space department between the pier cap, big dipper detection station includes a plurality of big dipper receiver, big dipper signal receiver antenna dispersion of big dipper receiver is laid at pier cap top edge.
Preferably, the pier comprises a pier cap, the Beidou detection station comprises a first Beidou receiver, a second Beidou receiver, a third Beidou receiver and a fourth Beidou receiver, the first Beidou signal receiving antenna and the second Beidou signal receiving antenna which are correspondingly included form one group, the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna form the other group, the two groups of antennas are arranged at the opposite edges of the top of the pier cap, the phase center connecting line of the second Beidou signal receiving antenna and the third Beidou signal receiving antenna is vertical to the extending direction of the top rail of the pier cap, the phase center connecting line of the first Beidou signal receiving antenna and the second Beidou signal receiving antenna is consistent with the extending direction of the top rail of the pier cap, the phase center connecting line of the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna is consistent with the extending direction of the top rail of the pier cap, the first Beidou signal receiving antenna and the fourth Beidou signal receiving antenna are respectively positioned on two sides of a phase center connecting line of the second Beidou signal receiving antenna and the third Beidou signal receiving antenna, and the phase center distance between the first Beidou signal receiving antenna and the second Beidou signal receiving antenna is equal to the phase center distance between the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna.
Preferably, bases with different height differences and horizontal offset distances are arranged on the observation pier, and the Beidou signal receiving antennas of the Beidou first-stage reference station and the Beidou second-stage reference station are fixed on the corresponding bases.
Preferably, the static level gauge further comprises a monitoring gateway, the monitoring gateway and the Beidou first-stage reference station, the Beidou second-stage reference station, the inclination angle sensor and the Beidou detection station form data links respectively, and the static level gauge and the Beidou second-stage reference station form data links.
Preferably, the monitoring gateway further comprises a data platform, and the data platform and the monitoring gateway form a data link.
Preferably, the system further comprises a client, and the client forms a data link with the data platform.
Preferably, the hydrostatic level is buried underground.
Preferably, the Beidou signal receiving antenna is provided with a glass fiber reinforced plastic cover for protecting the antenna.
The utility model discloses for the beneficial effect that prior art brought:
the utility model provides an all-weather, incessant monitoring system replaces original monitoring system in succession, improve work efficiency, guarantee railway bridge safety, adopt full automatic monitoring mode, according to the automatic data that obtain of monitoring frequency (10Hz, 5Hz, 1s, 5s, 10s, 15s, 30s etc.) that equipment set up, when saving manual operation, weather factor, atmospheric refraction factor and skylight period isoparametric do not have any interference to equipment, and unmanned on duty, full process automation accomplishes.
Drawings
FIG. 1 is a schematic diagram of a Beidou satellite monitoring principle;
FIG. 2 is a schematic diagram of the railway bridge deformation monitoring system framework based on the Beidou and the multiple sensors;
FIG. 3 is a schematic diagram of a side view of the installation position of the components of the railway bridge deformation monitoring system based on the Beidou and the multi-sensor of the present invention;
FIG. 4 is a schematic plan view of the installation position of the components of the railway bridge deformation monitoring system based on the Beidou and the multi-sensor of the present invention;
fig. 5 is the utility model discloses railway bridge deformation monitoring system's observation mound looks sideways at the schematic diagram based on big dipper and multisensor.
Detailed Description
The invention will be further described with reference to the following figures 1-4 and examples:
the utility model discloses the system that indicates is based on present big dipper high accuracy displacement deformation monitoring technology, adopts the relative positioning principle to be used for the displacement and subsides the detection of deformation usually among the big dipper high accuracy monitoring technology, as shown in FIG. 1, concrete content as follows:
two (or more) receivers are respectively arranged at two ends of one (or more) base line(s) and synchronously observe the same Beidou satellite so as to determine the relative position of the base line end point or the base line vector. In relative positioning, the difference of the observed quantity is calculated, so that the clock error of a satellite and the clock error of a receiver can be eliminated, the influence of ionosphere refraction and troposphere refraction is weakened, the integer ambiguity parameters and the like are eliminated, and the baseline accuracy is improved. As shown in fig. 1, if two points a and B observe the same set of satellites (at least four) at the same time, and a is a known point, the location of point B can be determined by passing the original correction information to point B through some sort of data chain.
The coordinates obtained for monitor points 0:0:0 (time) are (x1, y1, z1), 0:0: 1 (time) is (x2, y2, z2), the three-dimensional deformation result variation (i.e. monitoring variation) at two time points (m, n, h) is:
m＝x2-x1；
n＝y2-y1；
h＝z2-z1；
it should be noted that, in the installation and layout process of the monitoring points, the reference station and various sensors, the installation effect needs to be strictly controlled, and the strict horizontal and vertical installation effect is achieved by using auxiliary tools such as a level ruler.
The Beidou reference station transmits monitoring reference data, and the data format comprises but is not limited to international standard RINEX data; the Beidou monitoring station transmits ground monitoring data, and the data format comprises but is not limited to international standard RINEX data; the static level gauge and the inclination angle sensor transmit RS485 and RS232 data; the data communication mode is as follows: ground network (2G/3G/4G/5G), network cable, LORA, NB-IOT, wireless bridge, Beidou short message and other modes; the data can be directly transmitted by a network or transmitted by a special gateway (data uniform collection and forwarding equipment); the equipment power supply mode comprises battery power supply, solar power supply, 220V power supply (converting alternating current into direct current), 380V industrial power supply (converting alternating current into direct current) and the like.
As shown in fig. 2-5, this system utilizes big dipper and multisensor auxiliary monitoring finally to reach the monitoring to the railway bridge subsides, including being responsible for monitoring the big dipper monitoring station that the three-dimensional direction of bridge floor changes in real time, still includes: big dipper one-level reference station, big dipper second grade reference station, the hydrostatic level appearance of the settlement relative variation volume of monitoring railway bridge road bed, the inclination sensor and the monitoring gateway of monitoring bridge floor inclination angle change, big dipper one-level reference station provides the benchmark service for big dipper second grade reference station and big dipper monitoring station, big dipper second grade reference station links to each other with the hydrostatic level appearance and gives the hydrostatic level appearance absolute variation volume, the monitoring gateway communicates with big dipper one-level reference station, big dipper second grade reference station, inclination sensor and big dipper monitoring station respectively and gathers data to data platform and carry out data synthesis to solve and processing analysis, finally shows the real-time change result at each position of railway bridge at the customer end, and the customer end can be PC end, cell-phone end or PAD end etc..
In the embodiment, the Beidou reference station and the monitoring station are not limited to domestic, imported dual-satellite, three-satellite and four-satellite multi-frequency satellite navigation positioning monitoring equipment; the static level and the tilt sensor are not limited to domestic and imported products.
Preferably: the Beidou monitoring station comprises a Beidou receiver, a first antenna and a second antenna of the Beidou receiver are respectively arranged on piers on two sides of the bridge plate, and the Beidou receiver, the first antenna and the second antenna are used for solving the difference of observed quantities and transmitting Beidou monitoring data to the monitoring gateway through relative positioning.
Preferably: the observation pier 1 of the Beidou first-level reference station and the Beidou second-level reference station is made of reinforced concrete and is attached with a forced centering device, and the antennas of the Beidou first-level reference station and the Beidou second-level reference station are fixedly connected with the observation pier through a forced centering base located at the top end of the observation pier.
Preferably: as shown in fig. 4, a glass fiber reinforced plastic cover 2 for protecting the antenna is arranged above the first antenna, the second antenna, the first Beidou reference station and the second Beidou reference station.
Preferably: the static force level gauges are symmetrically arranged on two sides below the bridge pier in quantity, and the settlement amount of the bridge pier and the Beidou second-stage reference station are jointly measured to obtain real-time settlement data on the two sides of the bridge pier and the difference between the settlement amounts on the two sides of the bridge pier.
Preferably: the static force level can also be buried underground.
Preferably, the inclination angle sensor is arranged at the top of the pier and is strongly bonded with the pier to form a relative steel body structure.
Preferably: the real-time change result finally displayed by the client comprises displacement and settlement change quantity in the horizontal and vertical directions of the railway bridge.
The monitoring data and case results are as follows:
horizontal displacement of the beam body (precision +/-1 mm/unit mm);
absolute settlement of the beam body (precision +/-1 mm/unit mm);
the transverse inclination angle difference of the beam body (the precision is +/-0.01 degree/unit degree);
pier settlement difference (precision +/-0.5 mm/unit mm);
the inclination direction and the inclination angle of the pier (the precision is +/-0.01 degrees/unit degree);
the monitoring result of the three-dimensional deformation is obtained by accumulating data for a long time (more than 5min, if a group of data is generated every second, 300 monitoring results can be obtained in 5 min), eliminating accidental errors by using the principles of probability and data statistics, and improving the monitoring result to the precision by using data correction of a sensor.
Combine that figure 3, figure 4 and figure 5 are shown the utility model relates to an embodiment, set up in one side of pier array orientation and survey mound 1, set up big dipper one-level reference station and big dipper second grade reference station on observing mound 1, lay inclination sensor and big dipper detection station 20 on pier upper portion, lay static level gauge in the pier lower part.
As shown in fig. 3, the utility model relates to an embodiment, the pier includes pier shaft and pier cap, the head is surveyed to a plurality of hydrostatic level appearance is laid around the pier shaft lower part, a fixed position (generally laid at big dipper second grade reference station big dipper signal reception antenna village as the horizontal position at center) at the big dipper second grade reference station of observing pier 1 is laid to a single observation head of hydrostatic level appearance, a plurality of (at least one) inclination sensor lays in the space department between pier shaft and pier cap, big dipper inspection station 20 includes a plurality of big dipper receiver, the antenna dispersion (of big dipper satellite signal) of big dipper receiver is laid at pier cap top edge.
The embodiment of the utility model provides an in the hydrostatic level can adopt hydraulic hydrostatic level or fluid pressure type hydrostatic level based on liquid level UNICOM characteristic, guarantees continuity and the persistence of monitoring. The tilt sensor can adopt single-axis and double-axis tilt sensors. The inclination angle sensor has a communication function and can be connected with the monitoring gateway, and the static level gauge and the Beidou second-level reference station form data connection and forward settlement data to the monitoring gateway through the Beidou second-level reference station.
The utility model discloses a railway bridge deformation monitoring system based on big dipper and multisensor utilizes the observation head of big dipper second grade reference station and hydrostatic level to carry out the signal transmission of same physical horizontal parameter and is connected, make the absolute horizontal parameter of big dipper second grade reference station combine to form absolute variable quantity data with the horizontal measurement relative parameter of hydrostatic level, the accurate positioning height who utilizes big dipper second grade reference station in the fixed formation of observation mound acquires the slight change of railway bridge pier settlement range and direction, combine the continuation characteristic of continuation and survey mound signal (and difference correction signal) of hydrostatic level and receive the continuity, can effectively obtain the high density that the pier subsides and last the data, be favorable to gathering back follow-up system through the monitoring gateway and subside trend accurate analysis. The dip angle sensor on the upper part of the pier is used for forming accurate measurement of the settlement direction, the sensitivity of the dip angle sensor to unbalanced settlement is guaranteed due to the large distance between the dip angle sensor and the static level gauge, and accurate analysis of the settlement trend of a subsequent system after the settlement is collected by the monitoring gateway is guaranteed. The Beidou detection station 20 distributed at the top of the bridge pier forms displacement positioning data of a certain area in each direction, the differential correction signal of the Beidou first-level reference station is utilized to obtain positioning displacement data of the certain area on the whole, and error data formed by the Beidou detection station 20 receiving the positioning signals due to local stress is avoided. The utility model discloses a hydrostatic level of pier bottom subsides the whole slope signal on signal, pier upper portion and carries cabinet extending direction's displacement trend signal and has formed the strong relevant state measurement to the pier multidimension degree, has guaranteed the less information granularity of later stage pier state analysis and quantization.
Each Beidou receiver comprises a Beidou signal receiving antenna, and the Beidou signal receiving antenna is electrically connected with a high-frequency module of the Beidou receiver through a signal cable to acquire a positioning signal of the position of the phase center of the Beidou signal receiving antenna.
As shown in fig. 4, in an embodiment of the utility model, big dipper detection station 20 that every pier corresponds is including first, second, third and four big dipper receivers, the first big dipper signal reception antenna 21 and the second big dipper signal reception antenna 22 that correspond are a set of, third big dipper signal reception antenna 23 and fourth big dipper signal reception antenna 24 are another group, two sets of antennas are laid at the relative edge at pier cap top, the phase center line of second big dipper signal reception antenna and third big dipper signal reception antenna is perpendicular with the extending direction of pier cap top rail, the phase center line of first big dipper signal reception antenna and second big dipper signal reception antenna is unanimous with the extending direction of pier cap top rail, the phase center line of third big dipper signal reception antenna and fourth big dipper signal reception antenna is unanimous with the extending direction of pier cap top rail, first big dipper signal reception antenna and fourth big dipper signal reception antenna are located second big dipper signal reception antenna respectively The phase center distance between the first Beidou signal receiving antenna and the second Beidou signal receiving antenna is equal to the phase center distance between the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna.
The utility model discloses a railway bridge deformation monitoring system based on big dipper and multisensor has formed the high accuracy signal acquisition structure who obtains high-quality horizontal displacement location at the pier cap top, and the phase center line of second big dipper signal reception antenna and third big dipper signal reception antenna has the preset certainty and the position change of phase center line reflects the horizontal displacement state of pier, and the phase center line of first and second big dipper signal reception antenna and the phase center line of third big dipper signal reception antenna and fourth big dipper signal reception antenna have the preset certainty, and the displacement change of phase center line of first and second big dipper signal reception antenna reflects the reliability of second big dipper signal reception antenna received signal, utilizes the displacement change correlation of phase center line to obtain the further correction data of second big dipper signal reception antenna received signal, positioning errors are reduced, the reliability of signals received by the third Beidou signal receiving antenna is reflected by the displacement change of a phase center connecting line of the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna, further correction data of the signals received by the third Beidou signal receiving antenna are obtained by utilizing the displacement change correlation of the phase center connecting line, and the positioning errors are reduced. Phase center connecting lines of the four Beidou signal receiving antennas jointly form a determined phase center connecting line pattern, balanced displacement states in corresponding regions can be obtained according to the determined phase center connecting line pattern to form matrix measurement data of integral horizontal displacement changes of the bridge piers, and later-stage bridge pier state analysis and quantitative integral trend judgment are facilitated.
As shown in fig. 5, in an embodiment of the utility model, observe the base that is provided with different discrepancy in elevation and horizontal migration distance on mound 1, the big dipper signal reception antenna of big dipper one-level reference station and big dipper second grade reference station is fixed on corresponding the base.
The utility model discloses a railway bridge deformation monitoring system based on big dipper and multisensor utilizes observation mound 1 can unify big dipper one-level reference station and big dipper second grade reference station that sets up all piers of formation bridge, forms the unified horizontal error benchmark of the unified positioning reference of pier measurement and each hydrostatic level appearance, has better eliminated the large scale and has measured the systematic error in the slow trend on a large scale.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a railway bridge deformation monitoring system based on big dipper and multisensor which characterized in that sets up the observation mound in one side of pier array orientation it sets up big dipper one-level reference station and big dipper second grade reference station to observe on the mound tilt sensor and big dipper check station are laid on pier upper portion the static level is laid to the pier lower part.
2. The Beidou and multi-sensor based railway bridge deformation monitoring system of claim 1, wherein the bridge pier comprises a pier body and a pier cap, a plurality of observation heads of the static level gauge are arranged around the lower part of the pier body, an independent observation head of the static level gauge is arranged at a fixed position of the Beidou secondary reference station, at least one tilt angle sensor is arranged at a gap between the pier body and the pier cap, the Beidou detection station comprises a plurality of Beidou receivers, and Beidou signal receiving antennas of the Beidou receivers are dispersedly arranged at the top edge of the pier cap.
3. The Beidou and multisensor based railroad bridge deformation monitoring system of claim 1, wherein the bridge pier includes a coping, the Beidou detection station includes first, second, third and fourth Beidou receivers, the first Beidou signal receiving antenna and the second Beidou signal receiving antenna included correspondingly are in one group, the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna are in another group, two groups of antennas are arranged at opposite edges of the coping top, a phase center connection line of the second Beidou signal receiving antenna and the third Beidou signal receiving antenna is perpendicular to an extending direction of the coping top rail, a phase center connection line of the first Beidou signal receiving antenna and the second Beidou signal receiving antenna is consistent with the extending direction of the coping top rail, and a phase center connection line of the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna is consistent with the extending direction of the coping top rail The directions of the first Beidou signal receiving antenna and the fourth Beidou signal receiving antenna are consistent, the first Beidou signal receiving antenna and the fourth Beidou signal receiving antenna are respectively positioned on two sides of a phase center connecting line of the second Beidou signal receiving antenna and the third Beidou signal receiving antenna, and the phase center distance between the first Beidou signal receiving antenna and the second Beidou signal receiving antenna is equal to the phase center distance between the third Beidou signal receiving antenna and the fourth Beidou signal receiving antenna.
4. The Beidou and multisensor based railway bridge deformation monitoring system of claim 1, wherein pedestals with different heights and horizontal offset distances are arranged on the observation piers, and Beidou signal receiving antennas of the Beidou first-stage and Beidou second-stage reference stations are fixed on the corresponding pedestals.
5. The Beidou and multisensor based railway bridge deformation monitoring system of claim 1, further comprising a monitoring gateway, the monitoring gateway forming a data link with the Beidou primary reference station, the Beidou secondary reference station, the tilt sensor and the Beidou detection station, respectively, the hydrostatic level gauge forming a data link with the Beidou secondary reference station.
6. The Beidou and multisensor based railroad bridge deformation monitoring system of claim 5, further comprising a data platform, the data platform and the monitoring gateway forming a data link.
7. The Beidou and multisensor based railroad bridge deformation monitoring system of claim 6, further comprising a client, the client forming a data link with the data platform.
8. The Beidou and multi-sensor based railway bridge deformation monitoring system of claim 1, wherein the hydrostatic level gauge is buried underground.
9. The Beidou and multisensor based railway bridge deformation monitoring system of claim 4, wherein the Beidou signal receiving antennas are provided with glass fiber reinforced plastic covers protecting the antennas.
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| CN201920162803 | 2019-01-29 | ||
| CN2019201628035 | 2019-01-29 |
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| CN211698207U true CN211698207U (en) | 2020-10-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762888A (en) * | 2020-12-29 | 2021-05-07 | 湖南省交通规划勘察设计院有限公司 | Bridge space displacement monitoring method and system and readable storage medium |
| CN113009517A (en) * | 2021-03-02 | 2021-06-22 | 中国铁路设计集团有限公司 | Beidou multi-antenna array-based high-speed railway infrastructure deformation monitoring method |
| CN113916280A (en) * | 2021-09-01 | 2022-01-11 | 中铁七局集团有限公司 | Big-section wide-span rigid frame bridge turning real-time monitoring system based on Beidou RTK |
| CN114877864A (en) * | 2022-06-21 | 2022-08-09 | 广东电网有限责任公司江门供电局 | Method and system for monitoring transformer substation settlement displacement by combining Beidou and static level |
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2019
- 2019-09-09 CN CN201921487116.7U patent/CN211698207U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762888A (en) * | 2020-12-29 | 2021-05-07 | 湖南省交通规划勘察设计院有限公司 | Bridge space displacement monitoring method and system and readable storage medium |
| CN113009517A (en) * | 2021-03-02 | 2021-06-22 | 中国铁路设计集团有限公司 | Beidou multi-antenna array-based high-speed railway infrastructure deformation monitoring method |
| CN113916280A (en) * | 2021-09-01 | 2022-01-11 | 中铁七局集团有限公司 | Big-section wide-span rigid frame bridge turning real-time monitoring system based on Beidou RTK |
| CN113916280B (en) * | 2021-09-01 | 2023-04-25 | 中铁七局集团有限公司 | Big segment wide span rigid frame bridge rotation real-time monitoring system based on big dipper RTK |
| CN114877864A (en) * | 2022-06-21 | 2022-08-09 | 广东电网有限责任公司江门供电局 | Method and system for monitoring transformer substation settlement displacement by combining Beidou and static level |
| CN114877864B (en) * | 2022-06-21 | 2024-01-23 | 广东电网有限责任公司江门供电局 | Method and system for monitoring settlement displacement of transformer substation by combining Beidou and static level |
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