Beidou satellite automatic sending system of meteorological data

A Beidou satellite and meteorological data technology, applied in the transmission system, radio transmission system, electrical components, etc., can solve the problems of resource occupation, reduce transmission timeliness, etc., and achieve low failure rate, strong environmental adaptability, and small size.

Inactive Publication Date: 2009-12-02
国家气象信息中心
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  • Abstract
  • Description
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Problems solved by technology

The detection data generated by the automatic weather detector 1 is 183 effective bytes per hour, together with the carriage return and line feed character at the end of the message, a total of 185 bytes, which exceeds the data length suppor

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  • Beidou satellite automatic sending system of meteorological data
  • Beidou satellite automatic sending system of meteorological data
  • Beidou satellite automatic sending system of meteorological data

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Embodiment Construction

[0030] To further illustrate the present invention, preferred embodiments are described below, but in practice should not be limited to the listed embodiments.

[0031] Please see attached figure 1 The meteorological data satellite automatic transmission device described in the present embodiment comprises an automatic weather detector 1 (produced in Finland, the model is VAISALA MILOS520), a protocol converter 2 connected with the automatic weather detector 1 by an RS-232 interface, and The Beidou satellite communication terminal 3 connected by the protocol converter 2 through the RS-232 interface, the protocol converter 2 includes the back panel with the RS-232 interface socket 4, the power interface 5, and the front panel has the power on-off indicator 6 and The chassis 8 of reset button 7 is fixedly connected in the chassis 8, is the system board (seeing accompanying drawing 4,5) that the peripheral circuit that is compatible with this type single-chip microcomputer consti...

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Abstract

The invention relates to a Beidou satellite automatic sending system of meteorological data, belonging to the field of meteorological equipment manufacture and comprising an automatic meteorological detector 1, a protocol converter 2 connected with the automatic meteorological detector 1 through a RS-232 interface and a Beidou satellite communication terminal 3 connected with the protocol converter 2 through a RS-232 interface. The protocol converter 2 receives the meteorological data sent by the automatic meteorological detector 1 through the RS-232 interface, then compresses the meteorological data to 93 bytes by adopting a dictionary method, and finally compiles the meteorological data into a data packet of a Beidou satellite terminal and sends the data packet to a Beidou satellite communication terminal 3 through another RS-232 interface; the Beidou satellite communication terminal 3 transmits the data to the satellite which sends the data back to a meteorological center. The system is suitable to work in field peopleless environments for a long time, and has the advantages of high transmission efficiency and low price.

Description

technical field [0001] The invention discloses a Beidou satellite automatic sending system of meteorological data, which belongs to the field of meteorological equipment manufacturing, in particular to the manufacturing of meteorological communication equipment. Background technique [0002] When the existing automatic weather detector transmits data to the meteorological center, it can use GSM and other systems for wireless data transmission. However, for remote areas, since commercial systems such as GSM do not have network coverage, satellites can only be used for relay and forwarding. The existing devices that automatically send weather data through satellites require large-scale antennas and complex transmission systems, which cannot Realize unattended. Therefore, it is difficult to use in areas with harsh environments, and the cost is also high. [0003] Beidou satellite is China's first generation regional navigation satellite system, which can realize 24-hour unint...

Claims

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Application Information

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IPC IPC(8): G01W1/00H04B7/185H04L29/06
Inventor 周勇屈鹏孙修贵杨根录田浩
Owner 国家气象信息中心
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