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A method of using a two-way addressless cascade seismic data transmission system based on synchronous serial port

A technology of seismic data and synchronous serial ports, which is applied in seismic signal transmission, seismology, seismic signal receivers, etc., can solve the problems of difficult layout and complex seismic equipment, and achieve convenient handling and layout, low power consumption, and low crosstalk Effect

Active Publication Date: 2020-03-17
JILIN UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of difficult layout of distributed cable seismographs due to complex and heavy seismic equipment, and the problem of high-speed data transmission of distributed cable seismographs. Cascaded seismic data transmission system and method of use thereof

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  • A method of using a two-way addressless cascade seismic data transmission system based on synchronous serial port
  • A method of using a two-way addressless cascade seismic data transmission system based on synchronous serial port
  • A method of using a two-way addressless cascade seismic data transmission system based on synchronous serial port

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Embodiment Construction

[0032] The present invention is a two-way non-address cascaded seismic data transmission system based on a synchronous serial port and its application method. The modifications and changes made by researchers in the field based on the purpose of the present invention belong to the protection scope of the present invention.

[0033] The seismic data transmission system of the present invention mainly includes two parts: a master station (root node) and a substation (acquisition station). Such as Figure 1 shown.

[0034] Composition of the master station: The master station is mainly composed of microcontroller (MCU) STM32F103, LVDS interface chip, feeder communication transformer and power supply. The on-chip high-efficiency SPI interface of the MCU is connected to the LVDS interface chip, and the feeding communication transformer connected to the other side of the LVDS chip together forms a synchronous serial communication structure. The feeding communication transformer is ...

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Abstract

The invention provides a synchronous serial port based bidirectional non-address cascaded earthquake data transmission system and a using method thereof. The system comprises a master station and an sub stations, N represents a positive integer, the master station is used to control the sub stations to work in a coordinated way, and the sub stations are used to collect earthquake data. The systemis characterized in that the master station and the N sub stations are connected sequentially, the N substations are connected in a bidirectional non-address cascaded way, namely, two random sub stations can be connected via interfaces in random ends. Thus, bidirectional non-address cascading of the collection station can be realized, the collection stations can be connected randomly, device connection is much more flexible, help is provided for movement and laying of devices, the stations can be connected by using the fewest wires, the number of cables is reduced, the weight of the cables isreduced, and the whole system is lighter, and more suitable for collect earthquake data in the complex landform.

Description

technical field [0001] The invention relates to a distributed cable seismograph in geophysical exploration, in particular to a synchronous serial port-based bidirectional non-address cascaded data transmission system and its application method applied in the distributed cable seismograph. Background technique [0002] In geophysical prospecting, seismic prospecting method is the most widely used prospecting method, and seismograph is a geophysical prospecting instrument based on seismic prospecting method. The seismograph system mainly includes two parts: the seismic source and the seismic data acquisition system. Among them, the seismic data acquisition system is mainly responsible for starting data acquisition and retrieving the acquired seismic data (ie, seismic data transmission) when the seismic source is excited. Among the different types of seismographs, cabled seismographs are the most widely used in actual geophysical exploration, and distributed cabled seismograph...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/22G01V1/20
CPCG01V1/202G01V1/22
Inventor 杨泓渊段豫松张晓培
Owner JILIN UNIV
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