CN1908693B - Portable shipping dynamic precise measurement system - Google Patents
Portable shipping dynamic precise measurement system Download PDFInfo
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- CN1908693B CN1908693B CN200610037049A CN200610037049A CN1908693B CN 1908693 B CN1908693 B CN 1908693B CN 200610037049 A CN200610037049 A CN 200610037049A CN 200610037049 A CN200610037049 A CN 200610037049A CN 1908693 B CN1908693 B CN 1908693B
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Abstract
The disclosed portable ship-dynamic precise measurement system comprises: the GPS satellite positioning receiver, a cell box, a radio modulator with input connected to the receiver output, a portable computer, a signal processor with wireless demodulator and special data and communication units, and a data interface. This invention can achieve sub-meter positioning information and benefit to ensure the security and economic efficiency for sea travel.
Description
Technical field
The present invention relates to a kind of boats and ships measuring system, particularly relate to a kind of portable 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.
Portable shipping dynamic precise measurement system, it is characterized in that: it comprises the gps satellite location receiver, battery case, radio modulator, laptop computer, the signal processor of built-in wireless demodulation device and the data interface unit that is integrated on the signal processor, the electric output terminal of battery case is connected with the input end of the power supply of gps satellite location receiver and radio modulator respectively, the signal output part of gps satellite location receiver is connected with the signal input part of radio modulator, the receiving antenna of the built-in wireless demodulation device in the signal processor receives the signal that sends from above-mentioned radio modulator emitting antenna, and pass the signal in the signal processor, being provided with exclusive data in the signal processor handles and communication unit, by this unit, conversion of signals can be become numeral or figure on the display screen of laptop computer, show, and the communication contact between energy control information processor and the various peripheral hardware.
Described gps satellite location receiver is the combined type DGPS satellite positioning receiver that two covers have double antenna separately.
Described DGPS satellite positioning receiver is the dual frequency equipment that has 56 independent parallel signalling channels.
Described DGPS satellite positioning receiver comprises double antenna and signal receiver, double antenna wherein is divided into an emitting antenna and a receiving antenna, No. two emitting antennas and No. two receiving antennas, signal receiver is divided into a signal receiver and No. two signal receivers, radio modulator is divided into a radio modulator and No. two radio modulators, battery case is divided into battery case and C-size battery case, the wherein electric output terminal of a battery case and a signal receiver, the electrical input of a radio modulator connects, the signal input part of a described signal receiver is connected with the signal output part of a receiving antenna, its signal output part is connected with the signal input part of a radio modulator, and the signal output part of a radio modulator is connected with the signal input part of an emitting antenna; The electric output terminal of described C-size battery case is connected with the electrical input of No. two signal receivers, No. two radio modulators, the signal input part of described No. two signal receivers is connected with the signal output part of No. two receiving antennas, its signal output part is connected with the signal input part of No. two radio modulators, and the signal output part of No. two radio modulators is connected with the signal input part of No. two emitting antennas; Wherein one, No. two receiving antenna is positioned on the appropriate location at boats and ships bow and stern place.
Be fixed on deck or the pillar for ease of the antenna with the DGPS satellite positioning receiver, described antenna also is provided with the fastening erecting device of antenna.
Also dispose the watertight junction box on the fastening erecting device of described antenna, battery case and radio modulator are built among the watertight junction box.
The fastening erecting device of described antenna can be provided with antenna fastening frames such as the fixed mount of magnet and sucker or simple multifunctional fixed mount for foot.
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) the power autonomous and erecting frame of DGPS satellite positioning receiver, and between signal processor with the wireless mode communication, conveniently install and use; (3) but the antenna of being joined makes things convenient for fastening frame to make antenna carry out secure fixation with the deck pillar easily.(4) DGPS of system receiving antenna is placed in the appropriate location at boats and ships bow/stern place respectively, and system is as long as the ship type length and width data of input vessel underway oceangoing ship and residing aboard ship relative position of antenna reality and height just can accurately be located applying flexible to this ship.(5) by the special software of independent development, show the relevant multidate information of boats and ships in real time, data are stored automatically, can select to control the signal of input relevant device, are the accurate control of operational configuration and the record analysis of flight path, provide one to make things convenient for means.
Description of drawings
Fig. 1 is the portable 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, portable shipping dynamic precise measurement system, it comprises one, the DGPS satellite positioning receiver 1 of No. two two cover double antennas, 2, battery case, radio modulator, laptop computer 3, the signal processor 4 of built-in wireless demodulation device and the data interface unit that is integrated on the signal processor, described one, No. two DGPS satellite positioning receivers 1,2 for having the dual frequency equipment of 56 independent parallel signalling channels, comprise double antenna and signal receiver, double antenna wherein is divided into an emitting antenna 11 and a receiving antenna 12, No. two emitting antennas 21 and No. two receiving antennas 22, signal receiver is divided into a signal receiver 13 and No. two signal receivers 23, radio modulator is divided into a radio modulator 5 and No. two radio modulators 6, battery case is divided into battery case 7 and C-size battery case 8, the wherein electric output terminal of a battery case 7 and a signal receiver 13, the electrical input of a radio modulator 5 connects, the signal input part of a described signal receiver 13 is connected with the signal output part of a receiving antenna 12, its signal output part is connected with the signal input part of a radio modulator 5, and the signal output part of a radio modulator 5 is connected with the signal input part of an emitting antenna 11; The electrical input of the electric output terminal of described C-size battery case 8 and No. two signal receivers 23, No. two radio modulators 6 is connected, the signal input part of described No. two signal receivers 23 is connected with the signal output part of No. two receiving antennas 22, its signal output part is connected with the signal input part of No. two radio modulators 6, and the signal output part of No. two radio modulators 6 is connected with the signal input part of No. two emitting antennas 21; Wherein a receiving antenna 12 is positioned on the appropriate location of the nearly midship line of stem, writes down coordinate (the rib position is apart from the midship distance), opening power are installed; No. two receiving antenna 22 is positioned on the appropriate location of the nearly midship line of ship stern, writes down coordinate (the rib position is apart from the midship distance), opening power are installed; The receiving antenna 9 of the built-in wireless demodulation device in the signal processor 4 receives the signal that sends from above-mentioned one, No. two emitting antenna 11,21, and pass the signal in the signal processor 4, being provided with exclusive data in the signal processor 4 handles and communication unit, by this unit, conversion of signals can be become numeral or figure on the display screen of laptop computer 3, show, and the communication contact between energy control signal processor 4 and the various peripheral hardware; Be fixed on deck or the pillar for ease of the antenna with the DGPS satellite positioning receiver, described antenna also is provided with the fastening erecting device of antenna; The fastening erecting device of described antenna is the fixed mount that foot is provided with magnet and sucker; Also dispose watertight junction box 10, on the fastening erecting device of described antenna, 7,8 and one, No. two radio modulators 5,6 of C-size battery case are built among the watertight junction box 10; As shown in Figure 2, described exclusive data processing and communication unit are 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 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.
During use, signal processor 4 and laptop computer 3 can place arbitrarily nearly power supply place in the pilothouse, opening power, the relevant device input signal cable that UNICOM needs, get final product start-up system, after System self-test was normal, with boats and ships data and antenna coordinate input laptop computer, system just should be able to enter normal operating conditions.
The present invention is not limited to above embodiment, so long as the scheme of mentioning in this instructions all can be implemented.
Claims (6)
1. portable shipping dynamic precise measurement system, it is characterized in that: it comprises the gps satellite location receiver, battery case, radio modulator, laptop computer, the signal processor of built-in wireless demodulation device and the data interface unit that is integrated on the signal processor, the electric output terminal of battery case is connected with the input end of the power supply of gps satellite location receiver and radio modulator respectively, the signal output part of gps satellite location receiver is connected with the signal input part of radio modulator, the receiving antenna of the built-in wireless demodulation device in the signal processor receives the signal that sends from above-mentioned radio modulator emitting antenna, and pass the signal in the signal processor, being provided with exclusive data in the signal processor handles and communication unit, by this unit, become numeral or figure on the display screen of laptop computer, to show conversion of signals, and the communication contact between control signal processor and the various peripheral hardware; Described gps satellite location receiver is the combined type DGPS satellite positioning receiver that two covers have antenna separately; Described DGPS satellite positioning receiver comprises double antenna and signal receiver, and double antenna wherein is divided into an emitting antenna and a receiving antenna, No. two emitting antennas and No. two receiving antennas; Signal receiver is divided into a signal receiver and No. two signal receivers, radio modulator is divided into a radio modulator and No. two radio modulators, battery case is divided into battery case and C-size battery case, the wherein electric output terminal of a battery case and a signal receiver, the electrical input of a radio modulator connects, the signal input part of a described signal receiver is connected with the signal output part of a receiving antenna, its signal output part is connected with the signal input part of a radio modulator, and the signal output part of a radio modulator is connected with the signal input part of an emitting antenna; The electric output terminal of described C-size battery case is connected with the electrical input of No. two signal receivers, No. two radio modulators, the signal input part of described No. two signal receivers is connected with the signal output part of No. two receiving antennas, its signal output part is connected with the signal input part of No. two radio modulators, and the signal output part of No. two radio modulators is connected with the signal input part of No. two emitting antennas; Wherein one, No. two receiving antenna is positioned respectively on boats and ships bow and the stern.
2. portable shipping dynamic precise measurement system according to claim 1 is characterized in that: described antenna also is provided with the fastening erecting device of antenna.
3. portable 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.
4. portable shipping dynamic precise measurement system according to claim 3 is characterized in that: in above-mentioned steps (3), the time interval of described setting is two seconds.
5. portable shipping dynamic precise measurement system according to claim 3 is characterized in that: 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.
6. portable shipping dynamic precise measurement system according to claim 3 is characterized in that: described step (3), (4), (5), (6) are parallel step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610037049A CN1908693B (en) | 2006-08-15 | 2006-08-15 | Portable shipping dynamic precise measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610037049A CN1908693B (en) | 2006-08-15 | 2006-08-15 | Portable shipping dynamic precise measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN1908693A CN1908693A (en) | 2007-02-07 |
| CN1908693B true CN1908693B (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610037049A Expired - Fee Related CN1908693B (en) | 2006-08-15 | 2006-08-15 | Portable shipping dynamic precise measurement system |
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Citations (4)
| 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 |
-
2006
- 2006-08-15 CN CN200610037049A patent/CN1908693B/en not_active Expired - Fee Related
Patent Citations (4)
| 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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| Publication number | Publication date |
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| CN1908693A (en) | 2007-02-07 |
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