CN201698026U - Map customizable high-precision positioner based on air pressure altitude measuring technique - Google Patents
Map customizable high-precision positioner based on air pressure altitude measuring technique Download PDFInfo
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- CN201698026U CN201698026U CN2010201431064U CN201020143106U CN201698026U CN 201698026 U CN201698026 U CN 201698026U CN 2010201431064 U CN2010201431064 U CN 2010201431064U CN 201020143106 U CN201020143106 U CN 201020143106U CN 201698026 U CN201698026 U CN 201698026U
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Abstract
A map customizable high-precision positioner based on air pressure altitude measuring technique is a high-precision positioning system with a map customizing function. A GPS positioning module obtains longitude and latitude data by measuring, an altitude measuring module obtains a plurality of air pressure data by sampling, a master control system performs weighting calculation of the received air pressure data, calculates altitude of a measurement spot according to certain functional relation, and also obtains the longitude and latitude data of the measurement spot, and a GPRS communication module connected with the master control system is used for bidirectional communication with a background trajectory monitoring system, locally stores the measurement data of the position without coverage of GPRS network, and uploads the data when reaching a location covered by GPRS. The map customizable high-precision positioner has the advantages of more accurate altitude measurement, more complete positioning data acquisition and support of map customization.
Description
Technical field
The utility model relates to a kind of high-precision positioner.Particularly relate to a kind of orientator with high-precision fixed bit function, real time bidirectional communication function and special industry map customization function.
Background technology
The hi-Fix instrument has been gathered the GPS location, sea level elevation is measured and radio communication three big characteristics, and making, the measuring accuracy of sea level elevation, the communication disruption processing of wherein satisfying different industries demand map in the GPS location are the key problems that the utility model solves.
GPS (Global Positioning System, GPS) be that the U.S. developed since the seventies in last century, last 20 years, expensive 20,000,000,000 dollars, the new generation satellite navigation and the positioning system of carrying out comprehensive real-time three-dimensional navigation and station-keeping ability in sea, land and sky built up in 1994 comprehensively.Show through the use in more than 10 year of China, GPS successfully is applied to multiple subjects such as geodetic surveying, engineering survey, photogrammetric measurement, delivery vehicle navigation and control, earth movement monitoring, engineering project deformation monitoring, resources survey, geodynamics with distinguishing features such as round-the-clock, high precision, robotization, high benefits.Along with updating of GPS, hardware and software constantly perfect spreaded all over the various departments of national economy at present, and daily life is progressively goed deep in beginning.The GPS chip of industry is of a great variety at present, and it is also very big that performance and index differ.GPS chip used in the utility model has the characteristics highly sensitive, low in energy consumption, that volume is little, can follow the trail of 20 satellite channels simultaneously, and bearing accuracy has guaranteed the longitude and latitude locating accuracy in 15 meters.Yet, traditional GPS positioning system is the location of having imported in former native system on the basis of chorography, these map great majority are national region maps, and a lot of industries need position monitoring to outdoor distinct device mounting points, different companies has different equipment mounting points again, thereby fixing area map obviously can't satisfy the different demands of industry-by-industry.Existing sea level elevation is measured common employing GPS mensuration, and so-called GPS measuring method is meant the height above sea level measurement of adopting the GPS position location satellite to carry out.The position location satellite that adopts the GPS measuring method to search for is more, and at position location satellite after a little while, the sea level elevation of measuring will be extremely inaccurate.
The utility model content
The purpose of this utility model provides the customizable hi-Fix instrument of a kind of map based on air pressure sea level elevation measuring technique, by utilizing high accurate GPS positioning chip and air pressure measured chip, in conjunction with highly effective algorithm, carry out longitude and latitude and high precision height above sea level location, and adopt the GPRS communication mode to carry out real-time Communication for Power, support the breakpoint transmission technology to guarantee the data completeness, support the map customization to satisfy the different industries demand in expansion map mode.
This novel purpose is achieved in that the customizable hi-Fix instrument of a kind of map based on air pressure sea level elevation measuring technique, the GPS locating module: carry out the measurement and positioning of longitude and latitude, and gained longitude and latitude data are sent into master control system;
Sea level elevation measurement module: by sample a plurality of barometric informations and export it to described master control system of air pressure chip wherein;
Master control system: a plurality of barometric informations of receiving are weighted calculating, calculate the sea level elevation of measurement point by following funtcional relationship:
P＝760(e^-(a/7924))
P: air pressure, mm Hg; A: rice;
Simultaneously, obtain the longitude and the latitude data of measurement point;
The GPRS communication module: be connected with master control system, as carrying out two-way communication with backstage track supervisory system, the measurement data that will not have GPRS network to cover part is stored in this locality, behind the place that arrival GPRS can cover, just begins to upload these data.
Above-mentioned air pressure chip model is MS5561-C.
This novel basic technical scheme is: a kind of based on air pressure height above sea level metering system, support map customization and the novel positioning system that guarantees the data completeness, and comprise GPS locating module, sea level elevation measurement module, GPRS communication module and master control system.Each module of master control system and other links to each other respectively, controls each module work.Described GPS locating module, the measurement and the location that are used to realize longitude and latitude; Described sea level elevation measurement module is used to measure sea level elevation, and revises; Described GPRS communication module is used to realize the two-way communication in locator data and far-end monitoring system or total data storehouse, backstage, and supports breakpoint transmission.
As preferred embodiment, this novel mode of selecting barometric surveying height above sea level for use, and support breakpoint transmission.Increase the principle that air pressure reduces thereupon according to sea level elevation, utilize professional air pressure chip, by measuring atmospheric pressure, calculate local sea level elevation through certain algorithm, wherein also considered to take the method for software correction because of other factor affecting such as weathers, the sea level elevation error of gained is no more than 3 meters like this, the precision height.
Lose for fear of the place data that does not cover at GPRS, this novel breakpoint transmission scheme that adopted does not cover the local data of surveying with GPRS and pre-exists this locality, after the place that arrival GPRS can cover, just begin to upload these data, guaranteed the completeness of data.
This novel support map customization, by data recording and processing, software is realized new map layer, for later measurement and monitoring provide convenience, has made things convenient for various industry outworks simultaneously, effectively increases work efficiency.
This novel beneficial effect is:
1, the measurement of sea level elevation is more accurate
Adopting barometry is by measuring atmospheric pressure, calculating sea level elevation by certain algorithm, simultaneously according to factor software correction results such as weathers.Be different from traditional GPS positioning system, this novel special barometry that adopted, in design by adopting a plurality of data to carry out the hardware weighted calculation to professional air pressure chip, simultaneously, consider in the software design to revise, measured sea level elevation error is no more than 3 meters, has guaranteed the precision that height above sea level is measured.
2, the collection of locator data is more complete
This novel breakpoint that adopted continues the teach skill art, under the imperfect situation of the network coverage of GPRS signal, still can intactly gather locator data.
The hi-Fix instrument has been gathered the GPS location, sea level elevation is measured and radio communication three big characteristics, and making, the measuring accuracy of sea level elevation, the communication disruption processing of wherein satisfying different industries demand map in the GPS location are the key problems that the utility model solves.
Description of drawings
Fig. 1 is this novel ultimate principle block diagram;
Fig. 2 is this novel data communication flow process figure.
Embodiment
This novel hi-Fix also possesses high precision sea level elevation measurement and positioning except the measurement and positioning of longitude and latitude, utilization air pressure height above sea level is measured, and its error is no more than 5M.
This is novel to have exclusive GPRS communication module, is used for the two-way communication with backstage track monitoring server, real-time Data Transmission.
Described GPRS communication module possesses the breakpoint transmission function, and the data in no GPRS zone will be stored in this locality earlier, recovers in case connect, and then uploads data, has guaranteed the completeness of data.
This is novel to have industry map function interface, can customize map as required, is applicable to the more industries of outdoor operation such as electric system.
This is novel to have backstage track supervisory system, can realize real time bidirectional communication, tool backstage track monitoring function.
This is novel to be the high-accuracy position system of supporting wireless two-way communication and breakpoint transmission, tool track monitoring function and supporting the map customization, as long as be made up of GPS locating module, sea level elevation measurement module, GPRS communication module and master control system.Each module of master control system and other links to each other respectively, controls each module work.Above-mentioned GPS locating module, the measurement and the location that are used to realize longitude and latitude, and gained longitude and latitude data sent into master control system; Above-mentioned sea level elevation measurement module is used to measure sea level elevation, and revises, i.e. sample a plurality of barometric informations and export it to master control system of air pressure chip (model MS5561-C) wherein; Above-mentioned GPRS communication module is used to realize communicating by letter of locator data and far-end monitoring system or total data storehouse, backstage.The GPRS communication module is connected with master control system, and as carrying out two-way communication with backstage track supervisory system, the measurement data that will not have GPRS network to cover part is stored in this locality, behind the place that arrival GPRS can cover, just begins to upload these data.
This is novel to have proposed to utilize the air pressure chip to carry out barometric surveying, and according to the sea level elevation more little principle of hyperbar more, utilizes funtcional relationship to calculate sea level elevation; Proposed simultaneously to utilize breakpoint transmission to guarantee the solution of data completeness, when the web area real-time transmission data is arranged, guaranteed that no GPRS network area data is complete in positioning system.In addition, this novel solution that realizes the customization map according to different demands that provides.
This novel thought that adopts the barometric surveying sea level elevation, in orientator, add air pressure chip (MS5561-C), this chip a plurality of data of can sampling are imported MCU (Micro Control Unit into, micro-control unit is a master control system), through MCU a plurality of barometric informations are weighted calculating, draw sea level elevation, its computing function relation is as follows:
P＝760(e^-(a/7924))
P: air pressure, unit: mm Hg; A: height above sea level, unit: rice.
Certainly, air pressure also has relation with season, air humidity, air-flow etc., so utilized the software correction in implementing, has guaranteed the precision of sea level elevation.Adopt independently GPS locating module and GPRS wireless data transfer module in the utility model, independently microprocessor (MCU) is coordinated allomeric function.Has powerful hardware supported, the precision height.Simultaneously, adopt special GIS (Geographic Information System) software, software realizes preserving special geodata and track, and the combining geographic information system tool is realized the map customization simultaneously.
In the utility model, also have an important function to support breakpoint transmission exactly, this point is that traditional orientator is not accomplished.As shown in Figure 2, the utility model will not have GPRS network to cover the local storage of real data of part, in case enter the zone of signal, these data of active upload then.Background data base is supported the data storage of magnanimity, can preserve the trace information in 1 year.This has very great help for practical application.
Claims (2)
1. customizable orientator of map based on air pressure sea level elevation measuring technique is characterized in that:
GPS locating module: carry out the measurement and positioning of longitude and latitude, and gained longitude and latitude data are sent into master control system;
Sea level elevation measurement module: by sample a plurality of barometric informations and export it to described master control system of air pressure chip wherein;
Master control system: a plurality of barometric informations of receiving are weighted calculating, calculate the sea level elevation of measurement point by following funtcional relationship:
P＝760(e^-(a/7924))
P: air pressure, mm Hg; A: height above sea level, rice;
Simultaneously, obtain the longitude and the latitude data of measurement point;
The GPRS communication module: be connected with master control system, as carrying out two-way communication with backstage track supervisory system, the measurement data that will not have GPRS network to cover part is stored in this locality, behind the place that arrival GPRS can cover, just begins to upload these data.
2. according to the described customizable orientator of map based on air pressure sea level elevation measuring technique of claim 1, it is characterized in that: described air pressure chip model is MS5561-C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201431064U CN201698026U (en) | 2010-03-29 | 2010-03-29 | Map customizable high-precision positioner based on air pressure altitude measuring technique |
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| CN2010201431064U CN201698026U (en) | 2010-03-29 | 2010-03-29 | Map customizable high-precision positioner based on air pressure altitude measuring technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620716A (en) * | 2012-03-12 | 2012-08-01 | 无锡泽太微电子有限公司 | Height measuring method, three-dimensional positioning method, height measuring equipment and mobile terminal |
| CN105046447A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Information acquisition method, device and terminal of electric power facility |
| CN110325820A (en) * | 2017-02-24 | 2019-10-11 | 赫尔环球有限公司 | Height map for indoor positioning service |
| CN111811472A (en) * | 2020-07-01 | 2020-10-23 | 亿航智能设备（广州）有限公司 | Barometer height dynamic compensation method and device and computer storage medium |
-
2010
- 2010-03-29 CN CN2010201431064U patent/CN201698026U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620716A (en) * | 2012-03-12 | 2012-08-01 | 无锡泽太微电子有限公司 | Height measuring method, three-dimensional positioning method, height measuring equipment and mobile terminal |
| CN102620716B (en) * | 2012-03-12 | 2014-04-09 | 无锡泽太微电子有限公司 | Height measuring method, three-dimensional positioning method, height measuring equipment and mobile terminal |
| CN105046447A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Information acquisition method, device and terminal of electric power facility |
| CN110325820A (en) * | 2017-02-24 | 2019-10-11 | 赫尔环球有限公司 | Height map for indoor positioning service |
| CN110325820B (en) * | 2017-02-24 | 2021-09-10 | 赫尔环球有限公司 | Height map for indoor positioning service |
| CN111811472A (en) * | 2020-07-01 | 2020-10-23 | 亿航智能设备（广州）有限公司 | Barometer height dynamic compensation method and device and computer storage medium |
| CN111811472B (en) * | 2020-07-01 | 2022-03-29 | 亿航智能设备（广州）有限公司 | Barometer height dynamic compensation method and device and computer storage medium |
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