CN213147897U - Open channel flow and flow velocity measuring device based on Beidou short message communication - Google Patents
Open channel flow and flow velocity measuring device based on Beidou short message communication Download PDFInfo
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- CN213147897U CN213147897U CN202021589994.2U CN202021589994U CN213147897U CN 213147897 U CN213147897 U CN 213147897U CN 202021589994 U CN202021589994 U CN 202021589994U CN 213147897 U CN213147897 U CN 213147897U
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Abstract
The utility model provides an open channel flow velocity of flow measuring device based on big dipper short message communication, including RTU telemetering measurement terminal, communication device, flowmeter, velocity meter and host computer, wherein, communication device includes first big dipper communication device, second big dipper communication device and big dipper special server; the RTU remote measuring terminal generates a communication data packet according to data measured by the flow meter and the flow velocity meter and sends the communication data packet to the first Beidou communication device; the first Beidou communication device recodes the communication data packet to generate short message information and forwards the short message information through a Beidou satellite; the second Beidou communication device receives the short message information and sends the short message information to the Beidou special server; the Beidou special server uploads the short message to the Internet after analyzing the short message, and the upper computer remotely extracts flow and flow speed data. The utility model has the advantages that: the problems of difficult communication and high communication cost of geological survey under the condition of no foundation signal coverage are solved.
Description
Technical Field
The utility model relates to a geologic survey communication technical field especially relates to an open channel flow velocity of flow measuring device based on big dipper short message communication.
Background
The conventional fixed open channel flow monitoring device comprises a sensor, a remote measurement and control terminal (hereinafter referred to as RTU) with a built-in GPRS communication module, a solar cell panel, a solar storage battery, a solar controller, a louver box, a vertical rod, a distribution box and other parts, and is widely applied to open channel flow velocity monitoring. Wherein, the fixed weir groove of velocity of flow meter collocation is arranged in outdoor exposure environment, places solar battery, solar controller and RTU in the block terminal, gathers in the block terminal after connecting through the connecting wire between each part.
The hydrological measuring device of current geological survey relies on the coverage of ground base station signals such as GPRS, 4G, however, survey the district and mostly be few people, unmanned district, ground base station signal coverage area is few, and the signal is weak or even no signal, and open channel flow monitoring device can't realize intelligent remote control this moment, still can only rely on personnel to carry out the site operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an open channel flow velocity of flow measuring device based on big dipper short message communication, including RTU telemetering measurement terminal, communication device, flowmeter, velocity meter and host computer, wherein, communication device includes first big dipper communication device, second big dipper communication device and big dipper special server;
the flow meter is used for measuring the flow rate of the open channel water, and the flow meter is used for measuring the flow rate of the open channel water;
the RTU telemetry terminal is connected with the first Beidou communication device, the 4G communicator, the flow meter and is arranged at a collection point of the open channel through a fixed weir trough; the RTU remote measuring terminal is used for generating a communication data packet according to the data measured by the flowmeter and the flow rate meter and sending the communication data packet to the first Beidou communication device; the first Beidou communication device is used for recoding the communication data packet to generate short message information and forwarding the short message information through a Beidou satellite;
the second Beidou communication device is positioned outside the monitoring center room and used for receiving the short message information and sending the short message information to the Beidou special server; the Beidou special server is used for storing and analyzing the short message information, uploading the short message information to the Internet after the analysis is completed, and the upper computer is located in the monitoring center room and used for remotely extracting flow and flow rate measurement data of the open channel.
Furthermore, the communication device also comprises a 4G communication machine, wherein the 4G communication machine is connected with the RTU telemetry terminal and is used for receiving the communication data packet and uploading the communication data packet to the Internet through a ground base station; the upper computer is also used for receiving the data uploaded by the 4G communication machine and analyzing and extracting the data to obtain flow and flow rate measurement data of the open channel.
Further, the first Beidou communication device comprises a main control MCU unit, a Beidou RDSS communication module, a Beidou RDSS receiving and transmitting antenna and a 485 interface conversion unit, wherein the main control MCU unit performs data conversion through the 485 interface conversion unit and then performs data transmission with the RTU telemetry terminal; the Beidou RDSS communication module is connected with the Beidou RDSS receiving and transmitting antenna and the main control MCU unit and is used for recoding a communication data packet from the RTU telemetering terminal so that the data packet meets the communication requirement of a Beidou short message; the Beidou RDSS receiving and transmitting antenna is used for sending and receiving Beidou short message information.
Further, the first Beidou communication device further comprises a data storage unit, and the data storage unit is used for storing data.
Further, the open channel flow and flow velocity measuring device based on Beidou short message communication further comprises an outdoor power supply device, wherein the outdoor power supply device is connected with the RTU remote measuring terminal, the flowmeter, the flow velocity meter and the 4G communication machine and is used for stably and continuously providing direct current 12V voltage for a long time.
Furthermore, the first Beidou communication device further comprises a power management unit, wherein the power management unit is connected with a power supply interface of the RTU telemetry terminal through a power line and used for supplying power to the main control MCU unit, the data storage unit, the Beidou RDSS communication module and the 485 interface conversion unit.
The utility model provides a beneficial effect that technical scheme brought is:
(1) the problems of difficult communication and high communication cost of the open channel flow monitoring device in the geological survey hydrological measurement under the condition of no foundation signal coverage are solved, and the applicability of the flow and flow velocity measurement system is enhanced;
(2) the operation efficiency of the geological survey management system is improved, and the system maintenance cost is reduced;
(3) the data security is high, and the security is strong.
Drawings
Fig. 1 is a block diagram of the structure of an open channel flow and flow velocity measuring device based on Beidou short message communication provided by the embodiment of the utility model;
fig. 2 is a block diagram of a first beidou communication device provided in an embodiment of the present invention;
fig. 3 is a flow chart of sending and receiving big dipper short message that the embodiment of the utility model provides.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Please refer to fig. 1, an embodiment of the present invention provides an open channel flow and flow velocity measuring device based on Beidou short message communication, which includes an RTU telemetry terminal 1, a communication device 2, a flow meter 3, a flow velocity meter 4, an upper computer 5 and an outdoor power supply device 6.
The RTU telemetry terminal 1 is used for generating a communication data packet according to the flow and flow rate data of the open channel measured by the flow meter 3 and the flow rate meter 4 and sending the communication data packet to the communication device 2.
The communication device 2 comprises a first Beidou communication device 21 for sending Beidou short message information, a 4G communication machine 22, a second Beidou communication device 23 for receiving the Beidou short message information and a Beidou special server 24 for analyzing the short message information, wherein the first Beidou communication device 21 and the 4G communication machine 22 are connected with the RTU remote measuring terminal 1 and are installed at each acquisition point of the open channel through a fixed weir groove; the second Beidou communication device 23 is installed outside the monitoring center room.
The first beidou communication device 21 and the second beidou communication device 23 have the same structure, please refer to fig. 2, and take the first beidou communication device 21 as an example, which includes a main control MCU unit 2101, a data storage unit 2102, a beidou RDSS communication module 2103, a beidou RDSS transceiver antenna 2104, a power management unit 2105, and a 485 interface conversion unit 2106. The power management unit 2105 of the first Beidou communication device 21 is connected to a power supply interface of the RTU telemetry terminal 1 through a power line, the power supply voltage is 12V-24V direct current, and the power management unit 2105 supplies power to the main control MCU unit 2101, the data storage unit 2102, the Beidou RDSS communication module 2103 and the 485 interface conversion unit 2106;
the master control MCU unit 2101 converts the TTL signal into a 485 communication signal through the 485 interface conversion unit 2106, then accesses the RTU telemetry terminal 1 through the RS485 communication interface, performs data transmission with the RTU telemetry terminal 1, and the data storage unit 2102 is used for data storage; the Beidou RDSS communication module 2103 is connected with a Beidou RDSS receiving and transmitting antenna 2104 and a main control MCU unit 2101 and is used for recoding a data packet from the RTU telemetering terminal 1 according to a Beidou 2.1 protocol so that the data packet meets the communication requirement of a Beidou short message; the big dipper RDSS transceiver antenna 2104 is used for sending and receiving big dipper short message information.
Power lines and signal lines in the flowmeter 3 and the flow rate meter 4 are connected into the RTU telemetering terminal 1, the RTU telemetering terminal 1 supplies power to each sensor according to set logic, reads data obtained by measurement of the flowmeter 3 and the flow rate meter 4, then collects the data, performs unified coding and packaging, and sends the data to the communication device 2.
On the one hand, the 4G communication machine 22 in the communication device 2 uploads the communication data packet from the RTU telemetry terminal 1 to the internet through the ground base station, and the upper computer 5 located in the monitoring center can receive the data packet remotely after accessing the network through the optical fiber, and then extracts the flow rate data through analysis.
On the other hand, referring to fig. 3, the first beidou communication device 21 in the communication device 2 receives a communication data packet from the RTU telemetry terminal 1, and the beidou RDSS communication module 2103 re-encodes the data packet according to the beidou 2.2 protocol, and transmits the encoded beidou short message information to the beidou satellite through the beidou RDSS transceiving antenna 2104, and completes forwarding through the beidou satellite; the master control MCU 2101 in the first beidou communication device 21 determines whether the beidou short message information is successfully transmitted, and if not, returns a receipt of failure in transmission to the RTU telemetry terminal 1, and the RTU telemetry terminal 1 re-processes the data packet after receiving the receipt and re-transmits the data packet to the first beidou communication device 21.
After the first Beidou communication device 21 successfully sends the short message information, the second Beidou communication device 23 located outside the monitoring center receives the short message information from the Beidou satellite and sends the short message information to the Beidou special server 24 for storage and analysis, the short message information is uploaded to the internet after the analysis is completed, and the upper computer 5 located inside the monitoring center remotely extracts flow rate data.
The outdoor power supply device 6 is connected with the RTU telemetering terminal 1, the flowmeter 3, the flow meter 4 and the 4G communicator 22 and used for stably and continuously providing direct current 12V voltage for a long time, and comprises a solar cell panel, a solar storage battery and a solar controller.
The RTU remote measuring terminal 1, the communication device 2, the flowmeter 3, the flow meter 4 and the outdoor power supply device 6 can be one group or a plurality of groups, different acquisition points which are arranged on an open channel through a fixed weir groove are used for measuring water flow and water flow speed, Beidou signals cover the whole territory of China, and when ground base station signals are weak or no signals, Beidou short message communication can be used for keeping effective communication between a monitoring center and the acquisition points.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. The open channel flow and flow velocity measuring device based on Beidou short message communication is characterized by comprising an RTU (remote terminal unit) telemetry terminal (1), a communication device (2), a flow meter (3), a flow velocity meter (4) and an upper computer (5), wherein the communication device (2) comprises a first Beidou communication device (21), a second Beidou communication device (23) and a Beidou special server (24);
the flow meter (3) is used for measuring the flow rate of the open channel water, and the flow meter (4) is used for measuring the flow rate of the open channel water;
the RTU remote measuring terminal (1) is connected with the first Beidou communication device (21), the 4G communication machine (22), the flow meter (3) and the flow meter (4) and is installed at a collecting point of an open channel through a fixed weir trough; the RTU remote measuring terminal (1) is used for generating a communication data packet according to data measured by the flowmeter (3) and the flow meter (4) and sending the communication data packet to the first Beidou communication device (21); the first Beidou communication device (21) is used for recoding the communication data packet to generate short message information and forwarding the short message information through a Beidou satellite;
the second Beidou communication device (23) is located outside the monitoring center room and used for receiving the short message information and sending the short message information to the Beidou special server (24); the Beidou special server (24) is used for storing and analyzing the short message information, uploading the short message information to the Internet after the analysis is completed, and the upper computer (5) is located in the monitoring center room and used for remotely extracting flow and flow rate measurement data of the open channel.
2. The open channel flow and flow rate measuring device based on Beidou short message communication is characterized in that the communication device (2) further comprises a 4G communication machine (22), wherein the 4G communication machine (22) is connected with the RTU telemetry terminal (1) and is used for receiving the communication data packet and uploading the communication data packet to the Internet through a ground base station; the upper computer (5) is also used for receiving the data uploaded by the 4G communication machine (22) and analyzing and extracting the data to obtain flow and flow rate measurement data of the open channel.
3. The open channel flow and flow rate measuring device based on Beidou short message communication is characterized in that the first Beidou communication device (21) comprises a main control MCU unit (2101), a Beidou RDSS communication module (2103), a Beidou RDSS transceiving antenna (2104) and a 485 interface conversion unit (2106), wherein the main control MCU unit (2101) performs data conversion through the 485 interface conversion unit (2106) and then performs data transmission with the RTU telemetry terminal (1); the Beidou RDSS communication module (2103) is connected with the Beidou RDSS receiving and transmitting antenna (2104) and the main control MCU unit (2101) and is used for recoding a communication data packet from the RTU telemetering terminal (1) so that the data packet meets the communication requirement of Beidou short messages; the Beidou RDSS transceiving antenna (2104) is used for sending and receiving Beidou short message information.
4. The open channel flow and flow rate measurement device based on Beidou short message communication according to claim 3, characterized in that the first Beidou communication device (21) further comprises a data storage unit (2102), and the data storage unit (2102) is used for data storage.
5. The open channel flow and flow rate measurement device based on Beidou short message communication is characterized in that the open channel flow and flow rate measurement device based on Beidou short message communication further comprises an outdoor power supply device (6), wherein the outdoor power supply device (6) is connected with the RTU telemetry terminal (1), the flow meter (3), the flow meter (4) and the 4G communication machine (22) and is used for stably and continuously providing direct-current 12V voltage for a long time.
6. The open channel flow and flow rate measuring device based on Beidou short message communication according to claim 4, wherein the first Beidou communication device (21) further comprises a power management unit (2105), and the power management unit (2105) is connected with a power supply interface of the RTU telemetry terminal (1) through a power line and is used for supplying power to the main control MCU unit (2101), the data storage unit (2102), the Beidou RDSS communication module (2103) and the 485 interface conversion unit (2106).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115333601A (en) * | 2022-07-12 | 2022-11-11 | 中煤科工集团西安研究院有限公司 | Water level remote measuring device based on Beidou communication and data transmission method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115333601A (en) * | 2022-07-12 | 2022-11-11 | 中煤科工集团西安研究院有限公司 | Water level remote measuring device based on Beidou communication and data transmission method |
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