CN208296745U - A kind of multi-antenna set GNSS system for monitoring displacement - Google Patents
A kind of multi-antenna set GNSS system for monitoring displacement Download PDFInfo
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- CN208296745U CN208296745U CN201820994242.0U CN201820994242U CN208296745U CN 208296745 U CN208296745 U CN 208296745U CN 201820994242 U CN201820994242 U CN 201820994242U CN 208296745 U CN208296745 U CN 208296745U
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Abstract
The utility model relates to a kind of multi-antenna set GNSS system for monitoring displacement, including multiaerial system, monitoring host and monitoring backstage;Multiaerial system includes a reference antenna, more monitoring aerials and multiple antennas switching control module;Reference antenna and multiple antennas switching control module and the host machine wired connection of monitoring, monitoring aerial and multiple antennas switching control module wired connection;Monitoring host includes data receiver processing module, signal transmission module and power supply module, data receiver processing module is used to handle the position data of reference antenna and monitoring aerial, and signal transmission module is used to for the position data of reference antenna and monitoring aerial to be transmitted to monitoring backstage;Monitoring host is connect with monitoring backstage by wireless telecommunications.This monitoring system is used in the displacement monitoring of monitoring point comparatively dense, can substantially reduce monitoring and later period O&M cost, multiple monitoring points only need a set of hardware device that effective monitoring can be realized, reduce monitoring cost, improve the stability of monitoring device.
Description
Technical field
The utility model relates to satellite positioning monitoring technical fields, can be led using the whole world more specifically to one kind
Satellite system of navigating realizes that multiple spot is accurately positioned, to carry out the multi-antenna set of long term monitoring to the misalignment of multiple known points
Multi-point displacement monitors system.
Background technique
As the global position systems such as GPS, GLONASS, Beidou are wide with other numerous areas in mapping, navigation, communication
General application and popularization, technology development gradually mature, and also achieve preferable development in satellite positioning monitoring field, especially in ground
It is widely applied in terms of engineering monitoring.
In existing satellite level monitoring system, positioning antenna and the monitoring one-to-one connection of host, each monitoring point
There are independent hardware, power supply, communication, construction.Its principle is, installs independent displacement monitoring station in each monitoring point, using with
Differential signal between base station carries out the positioning of degree of precision to monitoring point, then location data is uploaded network, thus right
The relative displacement situation of monitoring point carries out long-term automatic monitoring.
Though there are some technologies to propose some displacement monitoring technical solutions for geotechnical engineering monitoring at present, it is generally existing
Following problems and deficiency:
1. each monitoring point of conventional monitoring methods requires independent hardware, power supply, communication, construction, monitoring cost is excessively high,
And the later period needs to separately maintain each monitoring station, stabilization of equipment performance is difficult to ensure.
2. conventional monitoring methods carry out positioning auxiliary merely with base station, monitoring accuracy is not sufficiently stable.
3. conventional monitoring methods are to improve monitoring accuracy, a large amount of monitoring data need to be obtained, lead to power supply and communication system pressure
Power is excessive, and more demanding to data calculation method.
Utility model content
Technical problem to be solved by the utility model is: a kind of multi-antenna set GNSS system for monitoring displacement is provided, for
Monitoring point carries out displacement monitoring with respect to the monitoring system of comparatively dense, reduces monitoring cost, improves whole monitoring precision, is high density
System for monitoring displacement provides low price, high-precision monitoring method.
The technical solution of the utility model is: the utility model provides a kind of multi-antenna set GNSS displacement monitoring system
System, including multiaerial system, monitoring host and monitoring backstage;
The multiaerial system includes a reference antenna, more monitoring aerials and multiple antennas switching control module;Institute
Reference antenna and multiple antennas switching control module and the host machine wired connection of monitoring are stated, the monitoring aerial and multiple antennas switch
Control module wired connection;
The monitoring host includes data receiver processing module, signal transmission module and power supply module, the data receiver
For processing module for handling the position data of the reference antenna and monitoring aerial, the signal transmission module is used for will
The position data of the reference antenna and monitoring aerial is transmitted to monitoring backstage;The monitoring host and monitoring backstage pass through wireless
Communication modes connection.
Further, the quantity of the monitoring aerial is 10.
The multi-antenna set GNSS system for monitoring displacement for implementing the utility model, has the advantages that in monitoring point
This monitoring system is used in the displacement monitoring of comparatively dense, can substantially reduce monitoring and later period operation expense, multiple monitorings
Point only need a set of hardware device that effective monitoring can be realized, relative to traditional monitoring equipment can increase to hardware, power supply, communication,
The cost input of construction reduces monitoring cost, improves the stability of monitoring device.
In addition, the utility model introduces the method for carrying out displacement monitoring using relative vector positions information, traditional
On the basis of base station Differential positioning, then additionally one fixation measuring point of setting, utilize monitoring site and fixation measuring point
Between relative vector positions relationship, the misalignment of monitoring point is monitored, is high density to improve displacement monitoring precision
System for monitoring displacement provides low price, high-precision monitoring method.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the structural schematic diagram of the utility model multi-antenna set GNSS system for monitoring displacement;
Fig. 2 is the antenna of the utility model multi-antenna set GNSS system for monitoring displacement and the connection schematic diagram of host.
Specific embodiment
Fig. 1 is to Fig. 2 shows a preferred embodiment of the utility model multi-antenna set GNSS system for monitoring displacement, packets
Include multiaerial system 1, monitoring host 2 and monitoring backstage 3;Multiaerial system 1 includes a reference antenna 101, more monitoring days
Line 102 and multiple antennas switching control module 103;Reference antenna 101 and multiple antennas switching control module 103 and monitoring host 2
Wired connection, monitoring aerial 102 and 103 wired connection of multiple antennas switching control module;It monitors host 2 and includes data receiver processing
Module 201, signal transmission module 202 and power supply module 203, data receiver processing module 201 are used for reference antenna 101 and prison
The position data of observation line 102 is handled, and signal transmission module 202 is used for the position of reference antenna 101 and monitoring aerial 102
It sets data and is transmitted to monitoring backstage 3;Monitoring host 2 is connect with monitoring backstage 3 by wireless communication mode.GNSS is worldwide navigation
Satellite system, Global Navigation Satellite System positioning are the observed quantities such as pseudorange, ephemeris, the satellite launch time for utilizing one group of satellite,
It can at the earth's surface or any place of terrestrial space provides round-the-clock three-dimensional coordinate and speed and temporal information for user
Space base radio-navigation positioning system.Reference antenna 101 connects the data of the satellite signal transit received to monitoring host 2
Processing module 201 is received, the satellite location data of 101 place point of reference antenna can be obtained;Multiple antennas switching control module 103 is pressed
The frequency of setting automatically switches to every monitoring aerial 102, makes all monitoring aerials 102 in turn to monitoring 2 transmitting satellite of host
Signal, data receiver processing module 201 carry out classification storage to received data, respectively obtain the absolute position letter of each point
Breath and relative to reference antenna 101 relative vector positions information;Data receiver processing module 201 is again to the absolute position received
Confidence breath and relative vector positions information carry out data settlement process, obtain final high accuracy positioning data, then data are led to
It crosses signal transmission module 202 and uploads to monitoring backstage 3, so that the misalignment to monitoring point is effectively monitored.Preferably, originally
The quantity of monitoring aerial 102 is 10 in embodiment, can monitor 10 monitoring points simultaneously in this way, substantially reduce monitoring and later period
O&M cost, ten monitoring points only need a set of hardware device that effective monitoring can be realized, can also be set as less or more number certainly
Amount, also belongs to the design of the utility model.
The connection relationship of reference antenna 101 and monitoring aerial 102 and monitoring host 2 in the present embodiment is as shown in Fig. 2, all
Wired connection is needed between antenna, day line-spacing monitors the distance of host 2 within 300 meters.The connection feelings of antenna and monitoring host 2
Condition is divided into two kinds, the first is no base station mode, i.e., has stability region that can place benchmark in 300 meters near monitoring host 2
Antenna 101 then all determines the displacement of other each positioning antennas immediately using High-precision Vector positioning.Second is to have base station
Mode can place reference antenna 101 without stability region in 300 meters near monitoring host 2, at this time make any GNSS antenna
For primary antenna, 24 hours uninterrupted static immobilizations are formed with the base station of stability region, between primary antenna and common positioning antenna
Using the instant vector positioning of high-precision.It monitors host 2 and is equipped with solar panels 4 and GNSS signal interchanger battery 5, pass through
Solar energy power accumulating maintains the operation of monitoring system.
The installation method of the utility model multi-antenna set GNSS system for monitoring displacement are as follows: according to monitoring site layout scheme
Appropriate location installation monitoring host 2 is chosen, chooses a stable point as fixation measuring point, reference for installation antenna 101, with
Monitor 2 wired connection of host;1 monitoring aerial 102 is installed in each monitoring point, it is wired with multiple antennas switching control module 103
Connection;Multiple antennas switching control module 103 can at most connect 10 monitoring aerials 102;Multiple antennas switching control module 103 and prison
Survey 2 wired connection of host;All connecting lines are all mounted in underground preburied pvc pipe in monitoring place.
Using the multi-antenna set GNSS system for monitoring displacement of the utility model, in the displacement monitoring of monitoring point comparatively dense
Using this monitoring system, monitoring and later period operation expense can be substantially reduced, multiple monitoring points only need a set of hardware device
Effective monitoring can be realized, the cost input to hardware, power supply, communication, construction can be increased relative to traditional monitoring equipment, reduce
Monitoring cost improves the stability of monitoring device.
In addition, the utility model introduces the method for carrying out displacement monitoring using relative vector positions information, traditional
On the basis of base station Differential positioning, then additionally one fixation measuring point of setting, utilize monitoring site and fixation measuring point
Between relative vector positions relationship, the misalignment of monitoring point is monitored, is high density to improve displacement monitoring precision
System for monitoring displacement provides low price, high-precision monitoring method.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
It, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from this with novel thought
The design of utility model, belongs to the protection scope of the utility model.
Claims (2)
1. a kind of multi-antenna set GNSS system for monitoring displacement, which is characterized in that including multiaerial system (1), monitoring host (2)
With monitoring backstage (3);
The multiaerial system (1) includes a reference antenna (101), more monitoring aerials (102) and multiple antennas switching control
Molding block (103);The reference antenna (101) and multiple antennas switching control module (103) and the wired company of the monitoring host (2)
It connects, the monitoring aerial (102) and multiple antennas switching control module (103) wired connection;
The monitoring host (2) includes data receiver processing module (201), signal transmission module (202) and power supply module
(203), the data receiver processing module (201) is used for the positional number to the reference antenna (101) and monitoring aerial (102)
According to being handled, the signal transmission module (202) is used for the position of the reference antenna (101) and monitoring aerial (102)
Data are transmitted to monitoring backstage (3);The monitoring host (2) is connect with monitoring backstage (3) by wireless communication mode.
2. multi-antenna set GNSS system for monitoring displacement according to claim 1, which is characterized in that the monitoring aerial
(102) quantity is 10.
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CN201820994242.0U CN208296745U (en) | 2018-06-26 | 2018-06-26 | A kind of multi-antenna set GNSS system for monitoring displacement |
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CN201820994242.0U CN208296745U (en) | 2018-06-26 | 2018-06-26 | A kind of multi-antenna set GNSS system for monitoring displacement |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108534653A (en) * | 2018-06-26 | 2018-09-14 | 深圳市北斗云信息技术有限公司 | A kind of multi-antenna set GNSS system for monitoring displacement and monitoring method |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108534653A (en) * | 2018-06-26 | 2018-09-14 | 深圳市北斗云信息技术有限公司 | A kind of multi-antenna set GNSS system for monitoring displacement and monitoring method |
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