CN1908694B - Fixed shipping dynamic precise measurement system - Google Patents

Fixed shipping dynamic precise measurement system Download PDF

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Publication number
CN1908694B
CN1908694B CN200610037050A CN200610037050A CN1908694B CN 1908694 B CN1908694 B CN 1908694B CN 200610037050 A CN200610037050 A CN 200610037050A CN 200610037050 A CN200610037050 A CN 200610037050A CN 1908694 B CN1908694 B CN 1908694B
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China
Prior art keywords
signal
data
receiver
antenna
connects
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Expired - Fee Related
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CN200610037050A
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CN1908694A (en
Inventor
陈德林
陆毅华
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Guangzhou Wenchong Shipyard Co Ltd
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Guangzhou Wenchong Shipyard Co Ltd
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Priority to CN200610037050A priority Critical patent/CN1908694B/en
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Application granted granted Critical
Publication of CN1908694B publication Critical patent/CN1908694B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The fixed ship-dynamic precise measurement system comprises: two set of DGPS satellite positioning receivers every with antenna, a main display, at least one branch display, a signal processor with special data and communication interfaces to connect with signal input end of the processor, a keyboard, and an ac/dc converter. This invention can position up to sub-meter level, and ensures the security and economical efficiency on sea travel.

Description

Solid shipping dynamic precise measurement system
Technical field
The present invention relates to a kind of boats and ships measuring system, particularly relate to a kind of solid shipping dynamic precise measurement system.Belong to boats and ships kinetic measurement field.
Background technology
Boats and ships sail in a mighty ocean, and weather, sea situation change unpredictably, and for safe navigation, guarantee that boats and ships arrive the destination, must be by means of various modernized naval technologies, and a kind of technology wherein is exactly the technology of ship's fix.In history, thing mark and celestial body that ship's fix technology has experienced by the observation land come location process; Along with the development of radiotelegraphy, radio positioning system had been born afterwards.At present, modernized large ship generally uses more advanced global position system, and its principle is, in earth outer space some satellites is set, the travel-time of radio signal between monitor satellite and the observer, thus calculate boats and ships to each intersatellite distance.People utilize solid geometry knowledge, according to the space o'clock distance to 3 known points, can determine this position, record the accommodation thus.At present, the most widely used global position system is the GPS of USA system.Global position system accurate positioning, continuous is not subjected to weather effect, the automaticity height, and simple to operate, at any time, as long as click button, the longitude and latitude of boats and ships just shows, and can constantly upgrade automatically.
Because of the GPS positioning system use extensively and importance, and U.S. government to the monopoly position of this system, civilian receiving equipment can only receive the satellite positioning signal that adds scrambler, add the inherent error of system, GPS user's bearing accuracy is in tens meters even hundred meters, can only satisfy general navigation needs, but can not satisfy on the engineering location requirement than precision, therefore produce the satellite performance on-ground and strengthened platform systems, i.e. SBAS (Satellite Based Augmentation System).Maritime patrol office of China Ministry of Communications has set up 20 beacon stations (base station that is equivalent to differential system) from south to northern along the coastline in that China is coastal, these beaconing stations sent RTCM difference correction information in 24 hours, not collecting any expense, is that 500km is with the interior coverage that all is at landlocked 300km and sea.No matter be external or domestic enhanced system, its ultimate principle all is that land station's beacon differential technique of adopt determining coordinate is revised the gps signal that receiver user obtains, and makes user's bearing accuracy reach meter level even inferior rice with interior level.How utilizing these state-of-the-art technology, make the location of boats and ships more accurate, to guarantee sea going security and economy, is that we need the further problem of research.
Summary of the invention
The object of the present invention is to provide and a kind ofly can obtain sub-meter grade precision ship's fix information, and can show the solid shipping dynamic precise measurement system of other associated dynamic information of boats and ships synchronously.
Purpose of the present invention is achieved by the following technical programs.
Solid shipping dynamic precise measurement system, it comprises the gps satellite location receiver, basic display unit, at least one branch display, message handler, operation keyboard, the AC/DC transducer, the power end of described AC/DC transducer and direct supply, AC power connects, its electric output terminal respectively with the gps satellite location receiver, basic display unit, the electrical input of message handler connects, described message handler is provided with the communication interface of each road signal, the signal input part of described basic display unit connects by communication interface corresponding with it on communication cable and the message handler, the signal input part that divides display is by corresponding with it communication interface connection on communication cable and the message handler, and described message handler is provided with exclusive data and communication unit.
Described gps satellite location receiver is the DGPS satellite positioning receiver of two each tool antenna of cover.
Described DGPS satellite positioning receiver is the dual frequency equipment that has 56 independent parallel signalling channels.
Described DGPS satellite positioning receiver comprises antenna and signal receiver, antenna wherein is divided into an antenna and No. two antennas, signal receiver is divided into a signal receiver and No. two signal receivers, the AC/DC transducer is divided into an AC/DC transducer and No. two AC/DC transducers, described one, the power input of No. two AC/DC transducers with, respectively with direct supply, AC power connects, wherein the electric output terminal of an AC/DC transducer respectively with a signal receiver, basic display unit, message handler connects, the signal output part of a described antenna is connected with the signal input part of a signal receiver, the signal output part of a signal receiver connects by communication interface corresponding with it on communication cable and the message handler, because No. two sky line-spacing main frame distances are greater than 100 meters, therefore need set up a signal amplifier, the electric output terminal of described No. two AC/DC transducers is connected with No. two signal receivers with signal amplifier respectively, the signal input part of signal amplifier connects with the signal output part of No. two antennas, and the signal output part of signal amplifier connects by communication interface corresponding with it on communication cable and the message handler.
A described antenna is fixed on the navigation deck top and goes up nearly midline, basic display unit, signal processor, signal receiver, AC/DC transducer be installed in the ship-handling deck instruction case in, divide display to be installed in relevant control station place (as: if join three branch displays can be installed in respectively drive control platform, left wing's workstation, right flank workstation) respectively, No. two signal receivers, No. two AC/DC transducers, signal amplifiers are installed in stem or stern as far as possible away from the nearly hull midline of an antenna.
Described exclusive data is handled and communication unit is carried out following steps in measuring process:
(1) detects under the installation directory whether file data.txt is arranged,, then under installation directory, create the data.txt file, and write simulate data if do not have;
(2) read the data.txt file in internal memory, and with the data presentation of last second on the interface;
(3) detect every the time interval of setting whether each serial ports is all sent data,, then miscue occurs at the interface assigned address if do not have;
(4) the second number every user's appointment is saved in internal memory with data;
When (5) user need carry out manual operation, enter window one menu operation module, in this menu operation module, but automatically whether user's select File deposit, reaches and selects deposit path and each file save quantity, printing, selection data holding time interval, the time format that changes interface display, change speed unit, selects longitude and latitude source etc.;
When (6) user need read other relevant real-time dynamic information of directional data and boats and ships intuitively, enter window two operational modules, these window two operational modules are divided into window two menu operation modules and window two icon operational modules, in the window two menu operation modules, but automatically whether user's select File deposit, and selection deposit path and each file save quantity, print, select the data holding time at interval, change the time format of interface display, change speed unit, selection longitude and latitude source, enlarge, dwindle, mobile vision area, in the window two icon operational modules, the user can carry out day and night brightness and select, external instrument is selected, the obsolete vessel position is selected, mobile icon is selected, the grid icon is selected.
In above-mentioned steps (3), the time interval of described setting is two seconds.
In above-mentioned steps (4), every user's appointment the second number data are saved in internal memory, be saved in the external memory then.
In above-mentioned steps (4), it is working properly to guarantee to have an external instrument at least.
In above-mentioned steps (6), described external instrument selects to comprise at least that gyro compass is selected and log is selected.
Described step (3), (4), (5), (6) are parallel step.
Advantage of the present invention is: (1) adopts the DGPS satnav combined system of accurate two each tool antenna of cover, can obtain the ship's fix information of sub-meter grade precision; (2) handle and communication unit by the exclusive data of independent development, can show other relevant real-time dynamic information of directional data and boats and ships synchronously, as: accurately locate, bow to, the rate of rotation of wandering, stem, hull, the ship stern over the ground or the vertical or traversing speed of water, the rolling of boats and ships and trim angle, the functions such as track recording figure of fixed time section and interval duration, having data preserves, graphic printing, functions such as playback, and can and show the information that the course is revised and predict the arrival time according to default air route and the dynamic sampled data situation calculating of boats and ships, for air route control provides visual data, also can real time data be sent to management ashore unit, further guarantee navigation safety at sea and economy by boats and ships satellite C station/F station.
Description of drawings
Fig. 1 is the solid shipping dynamic precise measurement system synoptic diagram;
Fig. 2 is that exclusive data is handled and the logic diagram of communication unit in measuring process.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
As shown in Figure 1, solid shipping dynamic precise measurement system, it comprises the DGPS satellite positioning receiver 1,2, basic display unit 1 of two each tool antenna of cover, three branch displays 31,32,33, message handler 4, operation keyboard, AC/DC transducer; Described message handler 4 is provided with the communication interface of each road signal, it in the described DGPS satellite positioning receiver dual frequency equipment that has 56 independent parallel signalling channels, comprise antenna and signal receiver, antenna wherein is divided into an antenna 11 and No. two antennas 22, signal receiver is divided into signal receiver 13 No. one, with No. two signal receivers 14, described AC/DC transducer is divided into an AC/DC transducer 5 and No. two AC/DC transducers 6, described one, No. two AC/DC transducers 5,6 power input with, respectively with direct supply 7, AC power 8 connects, AC/DC transducer 5 wherein, 6 electric output terminal respectively with a signal receiver 13, basic display unit 1, message handler 4 connects, the signal output part of a described antenna 11 is connected with the signal input part of a signal receiver 13, the signal output part of a signal receiver 13 connects by communication interface corresponding with it on communication cable and the message handler 4, establish a signal amplifier 9 on described No. two antennas 22, the electric output terminal of described No. two AC/DC transducers 6 is connected with No. two signal receivers 14 with signal amplifier 9 respectively, the signal input part of signal amplifier 9 connects with the signal output part of No. two antennas 14, and the signal output part of signal amplifier 9 connects by communication interface corresponding with it on communication cable and the message handler 4; The signal input part of described basic display unit 1 connects by communication interface corresponding with it on communication cable and the message handler 4, the signal input part that divides display 31,32,33 is by corresponding with it communication interface connection on communication cable and the message handler 4, and described message handler 4 is provided with exclusive data and communication unit; A described antenna 11 is fixed on the navigation deck, basic display unit 1, message handler 4, signal receiver 13, AC/DC transducer 5 be installed in the ship-handling deck instruction case 10 in, three branch displays 31,32,33 are installed in driving on control platform 15, left wing's workstation1 6, the right flank workstation1 7 of boats and ships respectively, and No. two signal receivers 14, No. two AC/DC transducers 6, signal amplifiers 9 are installed on the ship stern; Described message handler 4 also is circumscribed with compass, log, anemoclinograph, automatic rudder angle instrument, automatic vane angle instrument, engine speed instrument, external clock etc. by communication cable.
As shown in Figure 2, described exclusive data is handled and communication unit, carries out following steps in measuring process;
(1) detects under the installation directory whether file data.txt is arranged,, then under installation directory, create the data.txt file, and write simulate data if do not have;
(2) read the data.txt file in internal memory, and with the data presentation of last second on the interface;
(3) detect every two seconds whether each serial ports is all sent data,, then miscue occurs at the interface assigned address if do not have;
(4) number second (must have at least an external instrument working properly) every user's appointment is saved in internal memory with data, is saved in then in the external memory;
When (5) user need carry out manual operation, enter window one menu operation module, in this menu operation module, but automatically whether user's select File deposit, reaches and selects deposit path and each file save quantity, printing, selection data holding time interval, the time format that changes interface display, change speed unit, selects longitude and latitude source etc.;
When (6) user need read other relevant real-time dynamic information of directional data and boats and ships intuitively, enter window two operational modules, these window two operational modules are divided into window two menu operation modules and window two icon operational modules, in the window two menu operation modules, but automatically whether user's select File deposit, and selection deposit path and each file save quantity, print, select the data holding time at interval, change the time format of interface display, change speed unit, selection longitude and latitude source, enlarge, dwindle, mobile vision area, in the window two icon operational modules, the user can carry out day and night brightness and select to change the window color pattern, also can carry out gyro compass selects, make bow to, the rate of rotation of wandering comes from gyro compass, carry out log and select, make the speed of a ship or plane come from log, carrying out the obsolete vessel position selects, mobile icon is selected and the grid icon is selected.
The present invention is not limited to above embodiment, so long as the scheme of mentioning in this instructions all can be implemented.

Claims (5)

1. solid shipping dynamic precise measurement system, it is characterized in that: it comprises the gps satellite location receiver, basic display unit, at least one branch display, signal processor, operation keyboard, the AC/DC transducer, the power end of described AC/DC transducer and direct supply, AC power connects, its electric output terminal respectively with the gps satellite location receiver, basic display unit, the electrical input of signal processor connects, described signal processor is provided with the communication interface of each road signal, the signal input part of described basic display unit connects by communication interface corresponding with it on communication cable and the signal processor, the signal input part that divides display is by corresponding with it communication interface connection on communication cable and the signal processor, and described signal processor is provided with exclusive data and communication unit; Described gps satellite location receiver is the DGPS satellite positioning receiver of two each tool antenna of cover; Described DGPS satellite positioning receiver is the dual frequency equipment that has 56 independent parallel signalling channels; Described DGPS satellite positioning receiver comprises antenna and signal receiver, and antenna wherein is divided into an antenna and No. two antennas; Signal receiver is divided into a signal receiver and No. two signal receivers, the AC/DC transducer is divided into an AC/DC transducer and No. two AC/DC transducers, described one, the power input of No. two AC/DC transducers with, respectively with direct supply, AC power connects, wherein the electric output terminal of an AC/DC transducer respectively with a signal receiver, basic display unit, signal processor connects, the signal output part of a described antenna is connected with the signal input part of a signal receiver, the signal output part of a signal receiver connects by communication interface corresponding with it on communication cable and the signal processor, the electric output terminal of described No. two AC/DC transducers is connected with No. two signal receivers with signal amplifier respectively, the signal input part of signal amplifier connects with the signal output part of No. two antennas, and the signal output part of signal amplifier connects by communication interface corresponding with it on communication cable and the signal processor; A described antenna is fixed on the navigation deck top and goes up nearly midline, basic display unit, signal processor, signal receiver, AC/DC transducer be installed in the ship-handling deck instruction case in, divide display to be installed in relevant control station place respectively, No. two signal receivers, No. two AC/DC transducers, signal amplifiers are installed in stem or stern as far as possible away from the nearly hull midline of an antenna.
2. solid shipping dynamic precise measurement system according to claim 1 is characterized in that: described exclusive data is handled and communication unit is carried out following steps in measuring process:
(1) detects under the installation directory whether file data.txt is arranged,, then under installation directory, create the data.txt file, and write simulate data if do not have;
(2) read the data.txt file in internal memory, and with the data presentation of last second on the interface;
(3) detect every the time interval of setting whether each serial ports is all sent data,, then miscue occurs at the interface assigned address if do not have;
(4) the second number every user's appointment is saved in internal memory with data;
When (5) user need carry out manual operation, enter window one menu operation module, in this menu operation module, but automatically whether user's select File deposit, reaches and selects deposit path and each file save quantity, printing, selection data holding time interval, the time format that changes interface display, change speed unit, selects the longitude and latitude source;
When (6) user need read other relevant real-time dynamic information of directional data and boats and ships intuitively, enter window two operational modules, these window two operational modules are divided into window two menu operation modules and window two icon operational modules, in the window two menu operation modules, but automatically whether user's select File deposit, and selection deposit path and each file save quantity, print, select the data holding time at interval, change the time format of interface display, change speed unit, selection longitude and latitude source, enlarge, dwindle, mobile vision area, in the window two icon operational modules, the user can carry out day and night brightness and select, gyro compass is selected, log is selected, the obsolete vessel position is selected, mobile icon is selected, the grid icon is selected.
3. solid shipping dynamic precise measurement system according to claim 2 is characterized in that: in the described step (3), the time interval of setting is two seconds.
4. solid shipping dynamic precise measurement system according to claim 2 is characterized in that: in the described step (4), every user's appointment the second number data are saved in internal memory, be saved in the external memory then.
5. solid shipping dynamic precise measurement system according to claim 2 is characterized in that: described step (3), (4), (5), (6) are parallel step.
CN200610037050A 2006-08-15 2006-08-15 Fixed shipping dynamic precise measurement system Expired - Fee Related CN1908694B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101247160B (en) * 2008-02-22 2011-04-06 北京航空航天大学 Method for real-time conveying DGPS data through unmanned aerial vehicle control periodic line
CN106199664B (en) * 2016-08-24 2018-08-28 广西新港湾工程有限公司 A kind of engineering ship localization method of GPS-RTK and radio compass composition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1104322A (en) * 1994-08-31 1995-06-28 北京市中软计算机研究所 Communication type satellite navigation positioning instrument
CN1376933A (en) * 2002-03-07 2002-10-30 冯鲁民 Multifunctional ground locating system
CN1428596A (en) * 2001-12-24 2003-07-09 菱科电子技术(中国)有限公司 Multifunctional vehicle-mounted satellite navigation system
CN1800781A (en) * 2004-12-30 2006-07-12 中国科学院自动化研究所 Track autopilot control system and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1104322A (en) * 1994-08-31 1995-06-28 北京市中软计算机研究所 Communication type satellite navigation positioning instrument
CN1428596A (en) * 2001-12-24 2003-07-09 菱科电子技术(中国)有限公司 Multifunctional vehicle-mounted satellite navigation system
CN1376933A (en) * 2002-03-07 2002-10-30 冯鲁民 Multifunctional ground locating system
CN1800781A (en) * 2004-12-30 2006-07-12 中国科学院自动化研究所 Track autopilot control system and method thereof

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