阅读说明：本技术 一种多信道双频面波自动采集站及采集系统 (Multichannel dual-frequency surface wave automatic acquisition station and acquisition system ) 是由 蔡耀军 刘海涛 徐复兴 熊友亮 曾锋 练操 李欢 吴蒙蒙 朱萌 于 2021-01-20 设计创作，主要内容包括：本发明提供一种多信道双频面波自动采集站及采集系统,该采集站包括壳体,所述壳体内设有主控芯片单元、以及与主控芯片单元电性连接的高频面波检波器接口模块、低频面波检波器接口模块、串行数据接口模块、数据存储单元、北斗定位芯片、GPRS数据网络信道通信模块、LoRa信道通信模块、GNSS板卡接口模块和供电模块,所述高频面波检波器接口模块、低频面波检波器接口模块分别用于与多个面波检波器连接,以获取基于模拟电压信号传送的面波检波器采集数据,所述主控芯片单元用于向远端监控接收装置传送面波检波器采集数据。本发明实现了双频面波检波器采集数据多信道的传输方式,实现了大数据量的高效传输,可有效提升通信质量。(The invention provides a multi-channel double-frequency surface wave automatic acquisition station and an acquisition system, wherein the acquisition station comprises a shell, a main control chip unit, a high-frequency surface wave detector interface module, a low-frequency surface wave detector interface module, a serial data interface module, a data storage unit, a Beidou positioning chip, a GPRS data network channel communication module, a LoRa channel communication module, a GNSS board card interface module and a power supply module are arranged in the shell, the high-frequency surface wave detector interface module and the low-frequency surface wave detector interface module are electrically connected with the main control chip unit and are respectively used for being connected with a plurality of surface wave detectors to acquire surface wave detector acquisition data transmitted based on analog voltage signals, and the main control chip unit is used for transmitting the surface wave detector acquisition data to a remote monitoring receiving device. The invention realizes a multi-channel transmission mode of the data collected by the dual-frequency surface wave detector, realizes high-efficiency transmission of large data volume and can effectively improve the communication quality.)

1. A multi-channel dual-frequency surface wave automatic acquisition station is characterized by comprising:

the device comprises a shell, wherein a main control chip unit, a high-frequency surface wave detector interface module, a low-frequency surface wave detector interface module, a serial data interface module, a data storage unit, a Beidou positioning chip, a GPRS data network channel communication module, a LoRa channel communication module, a GNSS board card interface module and a power supply module are arranged in the shell, and the high-frequency surface wave detector interface module, the low-frequency surface wave detector interface module, the serial data interface module, the data storage unit, the Beidou positioning chip, the GPRS data network channel communication module, the LoRa channel communication module, the GNSS board card interface module and the power supply module are electrically connected with the main control chip unit;

the high-frequency surface wave detector interface module and the low-frequency surface wave detector interface module are respectively used for being connected with a plurality of surface wave detectors so as to obtain surface wave detector acquisition data transmitted based on analog voltage signals;

the serial data interface module is used for being connected with an external parameter configuration computer to acquire acquisition station configuration parameter data transmitted based on a serial port protocol and/or data stored in an acquisition station data storage unit;

the Beidou positioning chip is used for receiving time service information and high-precision positioning information of a Beidou third-generation global satellite navigation system;

the Beidou GNSS board card interface module is used for being connected with an external Beidou GNSS high-precision positioning board card to form a Beidou GNSS base station;

the main control chip unit is used for: based on GPRS data network channel communication module passes through the operator network and conveys the face wave detector collection data to remote monitoring receiving arrangement, based on loRa channel communication module passes through wireless ad hoc network and conveys the face wave detector collection data to remote monitoring receiving arrangement.

2. The multi-channel dual-frequency surface wave automatic acquisition station according to claim 1, wherein the main control chip unit comprises an MCU chip adopting an ARM architecture;

the acquisition frequency of the observation information output by the external GNSS high-precision positioning board card by the MCU chip is more than or equal to 1Hz, and the transmission time delay to the remote monitoring receiving platform is less than or equal to 60 s;

the MCU chip can simultaneously carry out data acquisition on 4 high-frequency surface wave detectors and 4 low-frequency surface wave detectors, the acquisition frequency of the high-frequency surface wave detectors and the low-frequency surface wave detectors is less than or equal to 1 time/second, and the transmission delay to the remote monitoring receiving device is less than or equal to 60 s.

3. The multi-channel dual-band surface wave automatic acquisition station according to claim 1, wherein said serial data interface module comprises an RS-232 interface.

4. The multi-channel dual-frequency surface wave automatic acquisition station according to claim 1, wherein the GPRS data network channel communication module comprises a full-network-through 4G module and a full-network-through 5G module.

5. The multi-channel dual-frequency surface wave automatic acquisition station according to claim 1, further comprising a big dipper satellite positioning antenna, a GPRS data signal transceiving antenna, and a LoRa data transceiving antenna, which are arranged outside the housing, wherein the big dipper satellite positioning antenna is connected with the big dipper positioning chip, the GPRS data signal transceiving antenna is connected with the GPRS data network channel communication module, and the LoRa data signal transceiving antenna is connected with the LoRa channel communication module.

6. A multi-channel dual-frequency surface wave acquisition system, which comprises a remote monitoring receiving device and at least one multi-channel dual-frequency surface wave automatic acquisition station according to any one of claims 1 to 5, wherein the multi-channel dual-frequency surface wave automatic acquisition station is in communication connection with the remote monitoring receiving device.

7. The multi-channel dual-frequency surface wave acquisition system according to claim 6, wherein the remote monitoring receiving device comprises a time synchronization module, a remote control module, a real-time data display module, a stored data viewing module, a data export module and a map display module;

the time synchronization module is used for carrying out time synchronization on different transmission channels of the multi-channel double-frequency surface wave automatic acquisition station;

the remote control module controls the multichannel double-frequency surface wave automatic acquisition station to transmit the data of the detector in a time-sharing manner by adopting a time-sharing transmission mechanism;

the remote control module is used for controlling a multichannel double-frequency surface wave automatic acquisition station to transmit the data acquired by the surface wave detector in a time-sharing manner by adopting a time-sharing transmission mechanism;

the real-time data display module is used for displaying the real-time collected surface wave data of each collection station in a data list form;

the storage data viewing module is used for performing list display on the selected acquisition site according to data in a specified time range, and the displayed content comprises the following contents: collecting time, data information, position coordinates, voltage and signal intensity;

the data export module is used for exporting EXCEL and TXT format data of the data which is called and viewed by the selected acquisition site according to the specified time range;

and the map display module is used for displaying the position distribution condition of the whole acquisition site and the specific positioning information of each acquisition site on a map.

8. The multi-channel dual-frequency surface wave acquisition system according to claim 6, wherein the requirement of the remote monitoring receiving device on the storage of the acquired data of the dual-frequency surface wave detector is not less than 1 time/second, the number of the acquisition nodes is not less than 50, and the data storage time is not less than 5 years.

Technical Field

The invention relates to the technical field of geophysical prospecting and the technical field of Internet of things, in particular to a multichannel double-frequency surface wave automatic acquisition station and an acquisition system.

Background

At present, in geophysical prospecting detection application for large data volume transmission of surface wave acquisition data information, an original wired data transmission mode cannot be normally performed due to influences of terrain or environmental conditions, but a single radio frequency architecture wireless data node and a single channel network protocol which are commonly used in an existing wireless data network system cannot well solve bottleneck problems that network throughput is limited and real-time transmission is difficult and the like when large data volume transmission of surface wave acquisition information is carried out, in addition, in a wireless data network, each data acquisition node is easily interfered by other factors in the data transmitting, receiving and processing processes, and even in a serious condition, errors occur in the data transmission and processing processes of the whole wireless data network, so that the accuracy and reliability of the whole communication are influenced. Meanwhile, the problems of synchronization of acquisition of the detection network, efficient transfer transmission of detection data, reduction of external interference on acquisition nodes and the like are also required to be researched and solved.

Disclosure of Invention

The invention aims to provide a multichannel double-frequency surface wave automatic acquisition station and a multichannel double-frequency surface wave automatic acquisition system, which can realize data acquisition of a high-frequency surface wave detector and a low-frequency surface wave detector, and data acquisition nodes can transmit data through different channels such as GPRS, LoRa and the like, so that the interference of the acquisition nodes to other nodes is reduced, the communication quality is improved, and the accuracy and the reliability of wireless data transmission can be ensured.

In order to achieve the above object, the present invention provides a multi-channel dual-frequency surface wave automatic acquisition station, comprising:

the device comprises a shell, wherein a main control chip unit, a high-frequency surface wave detector interface module, a low-frequency surface wave detector interface module, a serial data interface module, a data storage unit, a Beidou positioning chip, a GPRS data network channel communication module, a LoRa channel communication module, a GNSS board card interface module and a power supply module are arranged in the shell, and the high-frequency surface wave detector interface module, the low-frequency surface wave detector interface module, the serial data interface module, the data storage unit, the Beidou positioning chip, the GPRS data network channel communication module, the LoRa channel communication module, the GNSS board card interface module and the power supply module are electrically connected with the main control chip unit;

the high-frequency surface wave detector interface module and the low-frequency surface wave detector interface module are respectively used for being connected with a plurality of surface wave detectors so as to obtain surface wave detector acquisition data transmitted based on analog voltage signals;

the serial data interface module is used for being connected with an external parameter configuration computer to acquire acquisition station configuration parameter data transmitted based on a serial port protocol and/or data stored in an acquisition station data storage unit;

the Beidou positioning chip is used for receiving time service information and high-precision positioning information of a Beidou third-generation global satellite navigation system;

the Beidou GNSS board card interface module is used for being connected with an external Beidou GNSS high-precision positioning board card to form a Beidou GNSS base station;

the main control chip unit is used for: based on GPRS data network channel communication module passes through the operator network and conveys the face wave detector collection data to remote monitoring receiving arrangement, based on loRa channel communication module passes through wireless ad hoc network and conveys the face wave detector collection data to remote monitoring receiving arrangement.

Optionally, the main control chip unit includes an MCU chip adopting an ARM architecture, the acquisition frequency of the MCU chip on the observed quantity information output by the external GNSS high-precision positioning board card is greater than or equal to 1Hz, and the transmission delay to the remote monitoring receiving device is less than or equal to 60 s;

the MCU chip can simultaneously carry out data acquisition on 4 high-frequency surface wave detectors and 4 low-frequency surface wave detectors, the acquisition frequency of the high-frequency surface wave detectors and the low-frequency surface wave detectors is less than or equal to 1 time/second, and the transmission delay to the remote monitoring receiving device is less than or equal to 60 s.

Optionally, the serial data interface module comprises an RS-232 interface.

Optionally, the GPRS data network channel communication module includes a full-network-enabled 4G module and a full-network-enabled 5G module.

Optionally, still including set up in outside big dipper satellite positioning antenna, GPRS data signal receiving and dispatching antenna, the loRa data receiving and dispatching antenna of casing, big dipper satellite positioning antenna with big dipper positioning chip connects, GPRS data signal receiving and dispatching antenna with GPRS data network channel communication module connects, the loRa data signal receiving and dispatching antenna with the loRa channel communication module connects.

The invention also provides a multichannel dual-frequency surface wave acquisition system, which comprises a remote monitoring receiving device and at least one multichannel dual-frequency surface wave automatic acquisition station, wherein the multichannel dual-frequency surface wave automatic acquisition station is in communication connection with the remote monitoring receiving device.

Optionally, the remote monitoring and receiving device includes a time synchronization module, a remote control module, a real-time data display module, a stored data viewing module, a data export module, and a map display module;

the time synchronization module is used for carrying out time synchronization on different transmission channels of the multi-channel double-frequency surface wave automatic acquisition station;

the remote control module controls the multichannel double-frequency surface wave automatic acquisition station to transmit the sensor data in a time-sharing manner by adopting a time-sharing transmission mechanism;

the real-time data display module is used for displaying the real-time collected surface wave data of each collection station in a data list form;

the storage data viewing module is used for performing list display on the selected acquisition site according to data in a specified time range, and the displayed content comprises the following contents: collecting time, data information, position coordinates, voltage and signal intensity;

the data export module is used for exporting EXCEL and TXT format data of the data which is called and viewed by the selected acquisition site according to the specified time range;

and the map display module is used for displaying the position distribution condition of the whole acquisition site and the specific positioning information of each acquisition site on a map.

Optionally, the requirement of the remote monitoring receiving device on storage of the acquired data of the dual-frequency surface wave detector is not less than 1 time/second, the number of the acquired nodes is not less than 50, and the data storage time is not less than 5 years.

The invention has the beneficial effects that:

1. according to the multichannel double-frequency surface wave automatic acquisition station, the GPRS data network channel communication module, the Beidou RDSS channel communication module and the LoRa channel interface module are integrated, the surface wave detector acquired data can be transmitted to a remote monitoring receiving device in various forms such as 4G, 5G network and LoRa wireless ad hoc network of operators, the data information acquisition and multichannel transmission mode of the double-frequency surface wave detector is realized, the high-efficiency transmission of large data volume is realized, the probability that a node is interfered by the outside is greatly reduced, the communication quality is effectively improved, and the accuracy and the reliability of wireless data transmission are ensured; receiving time service information and high-precision positioning information of a Beidou third-generation global satellite navigation system through a Beidou positioning chip, and realizing multi-channel time synchronization and data acquisition synchronization; through big dipper GNSS integrated circuit board interface module, can be connected with outside big dipper GNSS high accuracy locating plate card, realize big dipper GNSS basic station function, can satisfy the high accuracy location.

2. The channel double-frequency surface wave automatic acquisition system is based on a multi-channel double-frequency surface wave automatic acquisition station, can reduce the interference of other factors on each node in the data sending, receiving and processing processes, effectively reduces the error probability in the whole wireless data transmission and processing process, enables each acquisition node in the wireless data transmission to transmit data through different channels, reduces the interference of each node on other nodes, effectively improves the communication quality, and can ensure the accuracy and reliability of the wireless data transmission; the information acquisition system can simultaneously acquire data information of a plurality of high-frequency and low-frequency surface wave detectors, and has good data acquisition synchronization effect when a large amount of data needs to be transmitted based on the positioning and time service functions of the Beidou No. three global satellite navigation system; the Beidou GNSS integrated circuit board interface module is used for being connected with an external Beidou GNSS high-precision positioning plate card to form a Beidou GNSS base station, and can be suitable for carrying out high-precision positioning on the acquisition points.

The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.

Drawings

Fig. 1 is a schematic structural diagram of one embodiment of a multichannel dual-frequency surface wave automatic acquisition station of the invention.

In the figure: the system comprises a main control chip unit, a 2-high-frequency surface wave detector interface module, a 3-low-frequency surface wave detector interface module, a 4-serial port interface, a 5-data storage unit, a 6-Beidou positioning chip, a 7-GPRS data network channel communication module, an 8-LoRa channel communication module, a 9-Beidou GNSS board card interface module and a 10-power supply module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a multi-channel dual-frequency surface wave automatic acquisition station, including:

the device comprises a shell, wherein a main control chip unit 1, a high-frequency surface wave detector interface module 2, a low-frequency surface wave detector interface module 3, a serial data interface module 4, a data storage unit 5, a Beidou positioning chip 6, a GPRS data network channel communication module 7, a LoRa channel communication module 8, a Beidou GNSS board card interface module 9 and a power supply module 10 are arranged in the shell, and the high-frequency surface wave detector interface module 2, the low-frequency surface wave detector interface module, the serial data interface module 4, the data storage unit 5, the Beidou positioning chip 6, the GPRS data network channel communication module 7 and the LoRa channel communication module are electrically connected with the main control chip unit 1;

the high-frequency surface wave detector interface module 2 and the low-frequency surface wave detector interface module 3 are respectively used for being connected with a plurality of surface wave detectors so as to obtain surface wave detector acquisition data transmitted based on analog voltage signals;

the serial data interface module 4 is used for being connected with an external parameter configuration computer to acquire acquisition station configuration parameter data transmitted based on a serial port protocol and data stored in the acquisition station data storage unit 5;

the Beidou positioning chip 6 is used for receiving time service information and high-precision positioning information of a Beidou third-grade global satellite navigation system;

the Beidou GNSS board card interface module 9 is used for connecting with an external Beidou GNSS high-precision positioning board card to form a Beidou GNSS base station;

the main control chip unit 1 is used for transmitting the collected data of the surface wave detector to the remote monitoring receiving device through a mobile communication network such as an operator 4G or 5G based on a GPRS data network channel communication module 7, and is also used for transmitting the collected data of the surface wave detector to the remote monitoring receiving device through a wireless ad hoc network based on a LoRa channel communication module 8.

Specifically, by integrating the GPRS data network channel communication module 7 and the LoRa channel communication module 8, the data collected by the surface wave detector can be transmitted to a remote monitoring receiving device through an operator 4G, a 5G network and a LoRa ad hoc network, so that the double-frequency data information collection of the data collected by the high-frequency surface wave detector and the data collected by the low-frequency surface wave detector and the transmission modes of various channels are realized, the high-efficiency transmission of large data volume is realized, the probability of the node being interfered by the outside is greatly reduced, the communication quality is effectively improved, and the accuracy and the reliability of wireless data transmission are ensured; receiving time service information and high-precision positioning information of a Beidou third-generation global satellite navigation system through a Beidou positioning chip 6, and realizing multi-channel time synchronization and data acquisition synchronization; through big dipper GNSS integrated circuit board interface module 9, can be connected with outside GNSS high accuracy locating plate card, realize big dipper GNSS basic station function, can satisfy the high accuracy location.

Further, based on the GPRS data network channel communication module 7 and the LoRa channel communication module 8, the collection station has the operator network communication function and the multichannel transmission mode of the LoRa ad hoc network. According to the real-time throughput of the network data, the surface wave detector can be transmitted in various different modes such as single channel and multi-channel, the transmission mode of the data can be flexibly adjusted, the problems of interference of the existing single-channel data transmission and limited throughput of a large-data-volume transmission network are effectively solved, and the application requirement of the large-data-volume real-time efficient transmission is met. Based on big dipper GNSS integrated circuit board interface module 9 and outside big dipper GNSS high accuracy locating plate card are connected and are realized big dipper GNSS basic station function, can monitor millimeter level position change based on the differential positioning technique that big dipper three global satellite navigation system provided, can be used for landslide, subside, wait deformation geological disasters forecast monitoring field based on this high accuracy monitoring precision, realize the real-time displacement monitoring of 24 hours in all weather.

In this embodiment, the main control chip unit 1 may adopt an MCU chip of an ARM architecture; the acquisition frequency of the MCU chip on the observed quantity information output by the external Beidou GNSS high-precision positioning board card is more than or equal to 1Hz, and the transmission time delay to the remote monitoring receiving device is less than or equal to 60 s;

the MCU chip can simultaneously carry out data acquisition on 4 high-frequency surface wave detectors and 4 low-frequency surface wave detectors, the acquisition frequency of the high-frequency surface wave detectors and the low-frequency surface wave detectors is less than or equal to 1 time/second, and the transmission delay to the remote monitoring receiving device is less than or equal to 60 s.

Specifically, a main control chip unit 1(MCU chip), a high-frequency surface wave detector interface module 2, a low-frequency surface wave detector interface module 3, a serial data interface module 4, a data storage unit 5, a Beidou positioning chip 6, a GPRS data network channel communication module 7, a LoRa channel communication module 8 and a Beidou GNSS board card interface module 9 can be integrated on a circuit board, the electrical connection of the high-frequency surface wave detector interface module 2, the low-frequency surface wave detector interface module 3, the serial data interface module 4, the data storage unit 5, the Beidou positioning chip 6, the GPRS data network channel communication module 7, the LoRa channel communication module 8 and the Beidou GNSS board card interface module 9 with the MCU chip is realized through circuit design, a software control system based on an ARM architecture is integrated in the main control chip unit 1, the acquisition capacity of a single acquisition station to external high-frequency and low-frequency surface wave detectors can reach 4 respectively, the storage capacity of the local data is not less than 20 ten thousand; the acquisition frequency of an external surface wave detector is not more than 1 time/second, the transmission delay is not more than 60s, the acquisition frequency of observed quantity information output by an external high-precision Beidou GNSS board card is not less than 1Hz, and the transmission delay is not more than 60s and other data acquisition and transmission performances. In this embodiment, the data storage unit 5 is a flash memory chip or an SD card, and the data storage unit 5 of this embodiment satisfies that the local data storage capacity is not less than 20 ten thousand; the Beidou positioning chip 6 can select high-precision positioning chips such as UBLOX, ADI and MTK, and the power supply module 10 selects a storage battery and can be externally connected with a solar panel.

In this embodiment, the high-frequency surface wave detector interface module 2 and the low-frequency surface wave detector interface module 3 are respectively provided with one interface.

Specifically, the high-frequency surface wave detector interface and the low-frequency surface wave detector interface are used for being connected with a plurality of high-frequency surface wave detectors and low-frequency surface wave detectors respectively so as to obtain surface wave detector collected data transmitted based on analog voltage signals, and the collecting station has a double-frequency surface wave collected data processing function of collecting the high-frequency surface wave detectors and the low-frequency surface wave detectors simultaneously; in this embodiment, preferably, 4 high-frequency surface wave detectors and 4 low-frequency surface wave detectors can be connected simultaneously.

In this embodiment, the serial data interface module 4 may employ an RS-232 interface 4. Specifically, the collection station has one RS232 interface communication capability through the integrated RS-232 interface. Through setting the serial port, the device can be used for being connected with an external parameter configuration computer to acquire acquisition station configuration parameter data transmitted based on a serial port protocol and/or store data in the acquisition station data storage unit 5.

In this embodiment, the GPRS data network channel communication module 7 includes a full-network-enabled 4G module and a full-network-enabled 5G module, so that the acquisition station has a full-network-enabled 4G and 5G information communication function.

In this embodiment, still including setting up in outside big dipper satellite positioning antenna, GPRS data signal receiving and dispatching antenna, loRa data signal receiving and dispatching antenna of casing, big dipper satellite positioning antenna is connected with big dipper positioning chip 6, and GPRS data signal receiving and dispatching antenna is connected with GPRS data network channel communication module 7, and loRa data signal receiving and dispatching antenna is connected with loRa channel communication module 8.

The embodiment of the invention also provides a multichannel dual-frequency surface wave acquisition system, which comprises the multichannel dual-frequency surface wave automatic acquisition station and a remote monitoring receiving device in communication connection with the multichannel dual-frequency surface wave automatic acquisition station.

The remote monitoring receiving device comprises a time synchronization module, a remote control module, a real-time data display module, a stored data viewing module, a data export module and a map display module;

the time synchronization module is used for carrying out time synchronization on different transmission channels of the multi-channel double-frequency surface wave automatic acquisition station;

the remote control module is used for controlling a multichannel double-frequency surface wave automatic acquisition station to transmit the data acquired by the surface wave detector in a time-sharing manner by adopting a time-sharing transmission mechanism;

and the real-time data display module is used for displaying the real-time collected surface wave data of each collection station in a data list form. The running conditions of the current collection station equipment can be visually known, whether the current running conditions of all the on-site collection station equipment are normal or not is clear at a glance, the problem collection station equipment is timely processed, meanwhile, the list also supports the functions of automatic sequencing and sequence number rolling, and the running conditions of the multi-collection station equipment are more convenient to check and manage.

And the storage data viewing module is used for displaying the selected acquisition site in a list according to the data in the designated time range. The data content in the display table is comprehensive, and the method comprises the following steps: collecting time, data information, position coordinates, voltage, signal strength and the like, and reporting message records for the most original collection site equipment.

And the data export module is used for exporting EXCEL and TXT format data of the data which is called and viewed by the selected acquisition site according to the specified time range. It is often used for data verification or post-processing.

The map display module is used for knowing the position distribution condition of the whole collection site and the specific positioning information of each collection site in detail, displaying the information on a map, knowing the geographical position of each collection site more visually and providing a reference basis for later data processing, analysis and judgment.

In the specific implementation process, can set up a plurality of collection stations according to the actual detection demand, for example be no less than 10, constitute surface wave data acquisition system, through development design platform software, hardware and human-computer interaction interface to look over functional modules such as module data derivation module and map display module at human-computer interaction interface integrated time synchronization module, remote control module, real-time data display module, storage data, and then make remote monitoring receiving arrangement possess: the system comprises the functions of receiving the data collected by the dual-frequency surface wave detector transmitted by the 4G and 5G channels of an operator, receiving the data collected by the dual-frequency surface wave detector transmitted by the LoRa ad hoc network channel, remotely controlling the collection node, storing the data, checking the data collected by the dual-frequency surface wave detector of the collection station in a real-time imaging manner by matching with a collection controller, checking the stored data, exporting the data in EXCEL and TXT formats, positioning and displaying the accurate map of the collection station and the like. In a specific application scenario, the remote monitoring receiving device can satisfy the following conditions: the requirement for storing the collected data of the dual-frequency surface wave detector is not less than 1 time/second; the number of the acquisition nodes is not less than 50; the data storage time is not less than 5 years.

The surface wave data acquisition system is based on a multi-channel double-frequency surface wave automatic acquisition station, can reduce the interference of other factors to each node in the data sending, receiving and processing processes of each node, effectively reduces the error probability in the whole wireless data network transmission and processing processes, enables each acquisition node in the wireless data network to transmit data through different channels, reduces the interference of each node to other nodes, effectively improves the communication quality, and can ensure the accuracy and reliability of the wireless data network; the information acquisition system can simultaneously acquire data information of a plurality of high-frequency and low-frequency surface wave detectors, and has good data acquisition synchronization effect when a large amount of data needs to be transmitted based on the positioning and time service functions of the Beidou No. three global satellite navigation system; the Beidou GNSS integrated circuit board interface module is used for being connected with an external Beidou GNSS high-precision positioning plate card to form a Beidou GNSS base station, and can be suitable for carrying out high-precision positioning on the acquisition points.

The multichannel double-frequency surface wave automatic acquisition station and the information acquisition system can be suitable for:

1. real-time acquisition of surface wave data information

In the field of geophysical prospecting detection, a collecting station can simultaneously collect high-frequency and low-frequency surface wave information data at the same detection point through a high-frequency surface wave detector and a low-frequency surface wave detector, the collected data of the collecting station can be transmitted in a ground mobile network or LoRa wireless ad hoc network mode based on the multi-channel double-frequency surface wave automatic collecting station, and a LoRa transmission system has the advantages of not depending on any infrastructure facility and the like, and can better meet the actual requirements of customers.

2. Geological disaster early warning based on displacement monitoring

According to the multichannel double-frequency surface wave automatic acquisition station, the Beidou GNSS base station function is realized by connecting the Beidou GNSS board card interface module 9 with an external Beidou GNSS high-precision positioning board card, millimeter-level position movement can be monitored based on a differential positioning technology provided by a Beidou third global satellite navigation system, and geological disasters possibly caused by surface displacement are monitored, early-warned and subjected to deformation analysis in real time. Therefore, the geological disaster monitoring and early warning system is established based on the multichannel dual-frequency surface wave automatic acquisition station, and can be used for deformation measurement of geological disaster-prone areas such as hillsides and deep foundation pits.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.