Two-channel water conservancy information communication terminal

Abstract

The utility model discloses a dual-channel water conservancy information communication terminal which comprises a main control module, a Ku channel baseband module, a Beidou transceiving module, a Ku frequency band radio frequency assembly, a Ku frequency band transceiving antenna, a Beidou receiving antenna, a Beidou transmitting antenna and a positioning antenna. The main control module is connected with the Ku channel baseband module and the Beidou transceiver module, the Ku channel baseband module is connected with the Ku frequency band radio frequency assembly, the Ku frequency band radio frequency assembly is connected with the Ku frequency band transceiver antenna, and the Beidou transceiver module is connected with the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna; the Ku channel baseband module, the Ku frequency band radio frequency assembly and the Ku frequency band transceiving antenna form a Ku frequency band satellite channel, and the Beidou transceiving module, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna form a Beidou short message channel. According to the application, the reliability, high efficiency and success rate of water conservancy data information transmission can be ensured through the Ku frequency band satellite channel and the Beidou short message channel.

Description

Technical Field

[0001] The present application relates to the technical field of water conservancy information data transmission, and in particular to a dual-channel water conservancy information communication terminal. Background Art

[0002] With the rapid development of new generation information technologies such as mobile communications and Beidou short message communications, as well as the integrated development of water conservancy technologies and mature applications in scenarios, based on the overall requirement put forward by the Ministry of Water Resources to drive water conservancy modernization through water conservancy informatization, my country's water conservancy has now completed the transition from the automation stage to the informatization stage, and is gradually moving towards the intelligent stage. Smart water conservancy runs through systems such as flood control, drought relief and disaster reduction, rational allocation and efficient utilization of water resources, and health protection of water resources and rivers and lakes, and the requirements for the real-time and reliability of the transmission of hydrological and water conditions information are becoming increasingly higher.

[0003] Due to the complex basin environment and large geographical span of my country's water conservancy projects, ground communication networks often cannot achieve full coverage of remote or complex terrain. Even in areas covered by ground networks, extreme rainfall and flooding may cause power facilities to be washed away and communication base stations to be damaged, resulting in power outages and network outages. In addition, heavy rain may cause rain attenuation, which in turn causes communication interruptions and affects data stability and quality. Therefore, when monitoring information cannot be transmitted or early warning information cannot be released, there are problems with data stability and quality.

[0004] In order to solve the data stability and quality problems, the current water conservancy communication terminal adopts a dual-channel communication mode of ground mobile network and Beidou short message. It mainly uses 2G / 3G / 4G and other ground mobile networks as the main channel, and Beidou satellite as the backup channel. Under normal circumstances, the device will give priority to ground mobile network for communication. When the signal quality of the ground mobile network is poor, it will automatically switch to Beidou satellite communication to ensure the continuity and stability of communication.

[0005] Although ground mobile networks have high coverage and low rates in densely populated areas, and have become the main means of collecting water conservancy information. However, 67% of my country's land area still has no ground network signal coverage. In addition, natural disasters such as earthquakes, tsunamis and forest fires may destroy communication infrastructure and cause complete damage to the backhaul network. The establishment of the Beidou satellite short message communication system is of extraordinary significance to our country's economic development and national defense modernization. It effectively solves a large part of the ground network coverage blind areas (such as uninhabited areas, deserts, oceans and polar regions) or communication base stations are damaged (such as earthquakes, floods and typhoons). Emergency communication problems in situations such as earthquakes, floods and typhoons.

[0006] However, in actual applications, Beidou short message communication also has the following shortcomings: ① It is easily affected by environmental factors such as weather, resulting in a relatively high data transmission bit error rate; ② The length and frequency of sending short messages affect the flexibility of civilian use, making it difficult to achieve efficient transmission of high-definition pictures or videos; ③ Beidou short message communication is essentially an unreliable communication. Coupled with factors such as packet loss and transmission data errors, the sender cannot clearly know whether the message is sent successfully. According to statistics, the transmission success rate of a single data packet of civilian Beidou short message communication is 95.5%. In emergency situations, the transmission reliability and success rate of water conservancy information are crucial to strengthening my country's dynamic monitoring of water security and emergency response capabilities for dangerous situations. Utility Model Content

[0007] To this end, the present application provides a dual-channel water conservancy information communication terminal to solve the problems of high bit error rate, low reliability and low success rate of water conservancy information transmission methods in the prior art.

[0008] In order to achieve the above objectives, this application provides the following technical solutions:

[0009] A dual-channel water conservancy information communication terminal comprises a data processing unit and an antenna unit, wherein the data processing unit comprises a main control module, a Ku channel baseband module and a Beidou transceiver module, and the antenna unit comprises a Ku-band radio frequency component, a Ku-band transceiver antenna, a Beidou receiving antenna, a Beidou transmitting antenna and a positioning antenna;

[0010] Among them, the main control module is electrically connected to the Ku channel baseband module and the Beidou transceiver module, the Ku channel baseband module is electrically connected to the Ku band RF component, the Ku band RF component is electrically connected to the Ku band transceiver antenna, and the Beidou transceiver module is electrically connected to the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna;

[0011] The Ku channel baseband module, the Ku band radio frequency component and the Ku band transceiver antenna constitute a Ku band satellite channel, and the Beidou transceiver module, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna constitute a Beidou short message channel.

[0012] Preferably, the Ku-band transceiver antenna adopts a fixed-beam planar array antenna or a planar phased array antenna.

[0013] Preferably, the Beidou transceiver module adopts the Beidou-3 transceiver module, the Beidou receiving antenna adopts the Beidou-3 receiving antenna, and the Beidou transmitting antenna adopts the Beidou-3 transmitting antenna.

[0014] Preferably, the positioning antenna is a Beidou positioning antenna or a GPS positioning antenna.

[0015] Preferably, it also includes a power supply, which supplies power to the main control module, the Ku channel baseband module, the Beidou transceiver module, the Ku band RF component, the Ku band transceiver antenna, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna.

[0016] Preferably, it also includes an interface, and the interface is used to connect to an external device.

[0017] Preferably, the interface includes a USART serial port, an RS485 interface, a CAN interface and a WIFI interface.

[0018] Compared with the prior art, this application has at least the following beneficial effects:

[0019] The present application provides a dual-channel water conservancy information communication terminal, including a data processing unit and an antenna unit, the data processing unit includes a main control module, a Ku channel baseband module and a Beidou transceiver module, the antenna unit includes a Ku-band radio frequency component, a Ku-band transceiver antenna, a Beidou receiving antenna, a Beidou transmitting antenna and a positioning antenna; wherein the main control module is electrically connected to the Ku channel baseband module and the Beidou transceiver module, the Ku channel baseband module is electrically connected to the Ku-band radio frequency component, the Ku-band radio frequency component is electrically connected to the Ku-band transceiver antenna, the Beidou transceiver module is electrically connected to the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna; the Ku channel baseband module, the Ku-band radio frequency component and the Ku-band transceiver antenna constitute a Ku-band satellite channel, and the Beidou transceiver module, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna constitute a Beidou short message channel. The present application integrates the Ku-band satellite communication and the Beidou-3 short message function, which can ensure the reliability, efficiency and success rate of water conservancy data information transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more intuitively illustrate the prior art and the present application, exemplary drawings are given below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing the present application; for example, those skilled in the art are capable of easily making conventional adjustments or further optimizations to the addition / reduction / attribution division, specific shapes, positional relationships, connection methods, dimensional ratios, etc. of certain units (components) based on the technical concepts and exemplary drawings disclosed in the present application.

[0021] Figure 1 A schematic diagram of the structure of a dual-channel water conservancy information communication terminal provided in this application;

[0022] Figure 2 A data processing flow chart of a dual-channel water conservancy information communication terminal provided for this application.

[0023] Description of reference numerals:

[0024] 1. Data processing unit; 101. Main control module; 102. Ku channel baseband module; 103. Beidou transceiver module; 104. Interface; 105. Power supply; 2. Antenna unit; 201. Ku band RF component; 202. Ku band transceiver antenna; 203. Beidou receiving antenna; 204. Beidou transmitting antenna; 205. Beidou / GPS positioning antenna. DETAILED DESCRIPTION

[0025] The present application is further described below in detail through specific embodiments in conjunction with the accompanying drawings.

[0026] In the description of this application: unless otherwise specified, the meaning of "plurality" is two or more. The terms "first", "second", "third", etc. in this application are intended to distinguish the objects referred to, and do not have special meanings in terms of technical connotations (for example, they should not be understood as emphasizing the importance or order, etc.). Expressions such as "including", "comprising", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

[0027] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this application are usually used to indicate the general relative position relationship for the purpose of intuitive understanding by referring to the drawings, and are not absolute limitations on the position relationship in the actual product.

[0028] See also Figure 1 The present application provides a dual-channel water conservancy information communication terminal (hereinafter referred to as: terminal), including a data processing unit 1 and an antenna unit 2, the data processing unit 1 includes a main control module 101, a Ku channel baseband module 102 and a Beidou transceiver module 103, the Beidou transceiver module 103 is preferably a Beidou-3 transceiver module, the antenna unit 2 includes a Ku-band RF component 201, a Ku-band transceiver antenna 202, a Beidou receiving antenna 203, a Beidou transmitting antenna 204 and a positioning antenna, wherein the Beidou receiving antenna 203 is preferably a Beidou-3 receiving antenna, the Beidou transmitting antenna 204 is preferably a Beidou-3 transmitting antenna, and the positioning antenna is preferably a Beidou / GPS positioning antenna 205.

[0029] Among them, the main control module 101 is electrically connected to the Ku channel baseband module 102 and the Beidou transceiver module 103, the Ku channel baseband module 102 is electrically connected to the Ku band RF component 201, the Ku band RF component 201 is electrically connected to the Ku band transceiver antenna 202, and the Beidou transceiver module 103 is electrically connected to the Beidou receiving antenna 203, the Beidou transmitting antenna 204 and the positioning antenna;

[0030] The Ku-channel baseband module 102, the Ku-band RF component 201 and the Ku-band transceiver antenna 202 constitute the Ku-band satellite channel, and the Beidou transceiver module 103, the Beidou receiving antenna 203, the Beidou transmitting antenna 204 and the positioning antenna constitute the Beidou short message channel.

[0031] Specifically, the BeiDou-3 receiving antenna is used to receive the BeiDou-3 short message S-band signal, the BeiDou-3 transmitting antenna is used to transmit the BeiDou-3 short message L-band signal, and the BeiDou / GPS positioning antenna 205 is used to receive the BeiDou B1 band and GPS L1 band positioning signals.

[0032] The Ku channel baseband module 102 is used as an alternative data transmission channel to realize the modulation, demodulation and transmission and reception of data information when the Beidou three short message function is not available or important data needs to be transmitted. When sending important data, you can choose to require the receiver to confirm the feedback function. After the receiver correctly receives the data, it will send the confirmation information of the successful reception of this data to the main control module 101 of the terminal through the Ku band satellite channel. The main control module 101 completes the data transmission process only after receiving the confirmation feedback information. If the feedback information is not received within the specified time, the data will be sent repeatedly until a successful transmission confirmation is received.

[0033] The Ku-band radio frequency component 201 is composed of RF circuit, local oscillator circuit, monitoring and DC / DC circuit, etc. The data information that the terminal needs to send is modulated by the Ku-channel baseband module 102 and then sent out as an intermediate frequency signal, which is converted to the Ku-band through the splitter and up-conversion circuit, and then generated by the power amplifier to be output to the Ku-band transceiver antenna 202; the received signal from the Ku-band transceiver antenna 202 is converted into an intermediate frequency signal after the stop filter, low-noise amplification, image frequency filtering and mixing, and is output to the Ku-channel baseband module 102 for demodulation.

[0034] The Ku-band transceiver antenna 202 adopts a miniaturized and planar design. It can be a fixed-beam planar array antenna for transmitting and receiving communication signals with a synchronous orbit Ku-band satellite; it can also be a planar phased array antenna for transmitting and receiving communication signals with a medium or low orbit Ku-band satellite.

[0035] The BeiDou-3 transceiver module is the preferred data transmission channel and is used for sending and receiving short message information. It mainly includes a low noise amplifier, a power amplifier, a channel, a baseband processor and a BeiDou SIM card. It is compatible with the BeiDou user terminal universal data interface 2.1 and 4.0 protocols, integrates RNSS and RDSS, and has all-weather positioning navigation and two-way message communication functions.

[0036] The main control module 101 serves as the terminal control center and performs communication protocol parsing and encapsulation, data transmission and control, dual-channel communication link switching logic control, etc. When the Ku-band transceiver antenna 202 is a planar phased array antenna, the main control module 101 will also complete the Ku-band beam automatic scanning and tracking control.

[0037] A dual-channel water conservancy information communication terminal provided in the present application also includes an interface 104 and a power supply 105. The power supply 105 supplies power to the main control module 101, the Ku channel baseband module 102, the Beidou transceiver module 103, the Ku band RF component 201, the Ku band transceiver antenna 202, the Beidou receiving antenna 203, the Beidou transmitting antenna 204 and the positioning antenna; the interface 104 is used to connect with peripheral devices such as RTU and various sensors to realize communication and control between the terminal and the RTU, various sensors or other peripherals; the interface 104 includes a USART serial port, an RS485 interface, a CAN interface and a WIFI interface, etc.

[0038] In order to more clearly illustrate the dual-channel water conservancy information communication terminal provided by the present application, a further introduction is given below in conjunction with its work flow chart.

[0039] See also Figure 2 When a dual-channel water conservancy information communication terminal provided by the present application is working, the main control module 101 receives or collects water conservancy data from the RTU, various sensors or other peripherals connected to the terminal, and determines whether there is data to be sent and whether the data is important data. At the same time, due to the limited length and frequency of short messages sent by the short message sending function of the civil Beidou-3, only 1000 bytes of information can be sent at a time, which makes it difficult to achieve efficient transmission of high-definition pictures or videos. Therefore, the data size needs to be determined before sending data, and data exceeding 1000 bytes is selected to be transmitted by the Ku-band satellite channel.

[0040] The BeiDou-3 module collects BeiDou information, including positioning information, accuracy, latitude, altitude, speed, number of satellites used for positioning, number of visible satellites, satellite signal quality, UTC time, etc., and determines whether the BeiDou-3 short message sending function is available; when the main control module 101 needs to transmit data through the channel and the BeiDou-3 short message sending function is available, the main control module 101 controls the BeiDou-3 module to turn on the short message sending function and transmits the water conservancy data through the BeiDou-3 short message channel.

[0041] At the same time, if the data is important data, the main control module 101 continues to control the Ku-band transceiver antenna 202 and the Ku-band RF component 201 to turn on, and transmit the data through the Ku-band satellite channel. After the transmission is completed, the main control module 101 will also monitor whether the confirmation information of successful data reception sent by the data receiver is received within the specified time. If the information is received, the data transmission process ends; if the information is not received, the data will be repeatedly sent until the confirmation information of successful transmission is received to end the data transmission process.

[0042] When the main control module 101 needs to transmit data through the channel, and the BeiDou-3 short message sending function is not available, the main control module 101 controls the Ku-band transceiver antenna 202 and the Ku-band RF component 201 to turn on and transmit the data through the Ku-band satellite channel. After the transmission is completed, the main control module 101 will also monitor whether the confirmation information of successful data reception sent by the data receiver is received within the specified time. If the information is received, the data transmission process ends; if the information is not received, the data will be sent repeatedly until the successful transmission confirmation information is received to end the data transmission process.

[0043] The present application provides a dual-channel water conservancy information communication terminal, which utilizes my country's existing Ku-band synchronous orbit satellite resources and the medium and low orbit Ku satellite communication system resources under construction, and relies on the two-way confirmation function of information reception and transmission of the Ku-band satellite communication transmission system, to provide a reliable, dual-channel backup information transmission path without network coverage blind spots, so as to improve the applicability, reliability and success rate of information transmission of the water conservancy communication terminal, and meet the real-time and reliability requirements of key service areas and important data transmission.

[0044] This application integrates Ku-band satellite communication and BeiDou-3 short message function, realizes stable, safe and reliable transmission of water conservancy collection data, and is not restricted by distance and region; uses Ku-band satellite communication to realize real-time transmission of medium and high-speed data, effectively solving the problem that ordinary signals cannot cover remote areas and extreme conditions, including hydrology, water resources, meteorology, groundwater, soil moisture, smart drainage, smart water supply, mountain torrent disasters, geological disaster monitoring and smart agriculture, and various complex water conservancy projects. Dual-channel communication guarantee problems and real-time transmission of high-definition images and videos.

[0045] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

Claims

1. A dual-channel water conservancy information communication terminal, characterized in that: It includes a data processing unit and an antenna unit. The data processing unit includes a main control module, a Ku channel baseband module and a Beidou transceiver module. The antenna unit includes a Ku-band radio frequency component, a Ku-band transceiver antenna, a Beidou receiving antenna, a Beidou transmitting antenna and a positioning antenna. Among them, the main control module is electrically connected to the Ku channel baseband module and the Beidou transceiver module, the Ku channel baseband module is electrically connected to the Ku band RF component, the Ku band RF component is electrically connected to the Ku band transceiver antenna, and the Beidou transceiver module is electrically connected to the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna; The Ku channel baseband module, the Ku band radio frequency component and the Ku band transceiver antenna constitute a Ku band satellite channel, and the Beidou transceiver module, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna constitute a Beidou short message channel.

2. The dual-channel water conservancy information communication terminal according to claim 1, characterized in that: The Ku-band transceiver antenna adopts a fixed-beam planar array antenna or a planar phased array antenna.

3. The dual-channel water conservancy information communication terminal according to claim 1, characterized in that: The Beidou transceiver module adopts the Beidou-3 transceiver module, the Beidou receiving antenna adopts the Beidou-3 receiving antenna, and the Beidou transmitting antenna adopts the Beidou-3 transmitting antenna.

4. The dual-channel water conservancy information communication terminal according to claim 1, characterized in that: The positioning antenna is a Beidou positioning antenna or a GPS positioning antenna.

5. The dual-channel water conservancy information communication terminal according to claim 1, characterized in that: It also includes a power supply, which supplies power to the main control module, the Ku channel baseband module, the Beidou transceiver module, the Ku band RF component, the Ku band transceiver antenna, the Beidou receiving antenna, the Beidou transmitting antenna and the positioning antenna.

6. The dual-channel water conservancy information communication terminal according to claim 1, characterized in that: It also includes an interface, which is used to connect to an external device.

7. The dual-channel water conservancy information communication terminal according to claim 6, characterized in that: The interfaces include USART serial port, RS485 interface, CAN interface and WIFI interface.

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