CN204903569U - Medium and small river cross -section water flow velocity high frequency acoustic monitoring system - Google Patents
Medium and small river cross -section water flow velocity high frequency acoustic monitoring system Download PDFInfo
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- CN204903569U CN204903569U CN201520596482.1U CN201520596482U CN204903569U CN 204903569 U CN204903569 U CN 204903569U CN 201520596482 U CN201520596482 U CN 201520596482U CN 204903569 U CN204903569 U CN 204903569U
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Abstract
The utility model discloses a medium and small river cross -section water flow velocity high frequency acoustic monitoring system, including two flow -speed measurement appearance and an at least monitoring center, the flow -speed measurement appearance includes main control system, transducer, hydrophone, GPS positioner, power amplifier module, power amplifier and wireless data transmission module, built -in DA converter of main control system and AD converter, transducer, power amplifier module and DA converter connect gradually, and hydrophone, power amplifier and AD converter connect gradually, and GPS positioner and wireless data transmission module are connected with the main control system respectively, and GPS positioner provides high accuracy time service and position and time message for the main control system, and the main control system is still through wireless data transmission module and the wireless communication of inspection center. The utility model discloses simple structure, the range of application is wide, has reduced equipment introduction cost and cost of labor, has realized the all -weather velocity of flow monitoring in whole river cross -section.
Description
Technical field
The utility model relates to middle and small river water flow velocity monitoring technical field, particularly a kind of middle and small river cross section water flow velocity high-frequency acoustic monitoring system.
Background technology
River flow and flow data have very important effect, and relate to the many aspects such as flood control safety, hydrology and water conservancy calculating, water resources assessment, therefore River detection is the important content of hydrlolgic work.
At present, middle and small river fluid-velocity survey many employings ADCP Doppler profile current meter, its principle utilizes Doppler effect principle to carry out fluid-velocity survey, sensor is made with acoustic wave transducer, sound pulse ripple launched by transducer, and sound pulse ripple passes through the backscatterer backscattering such as sand grain, planktonic organism of uneven distribution in water body, then this receive MUT signal, Doppler shift and calculate flow velocity after measured, there is following defect in this metering system:
One, shipping ADCP Doppler profile current meter needs to employ the test that launches a ship, at bank two ends stringing cable, consuming time, effort, and owing to needing human users, measurement can threaten to personal security, cause it cannot carry out interim measurement at flood, measurement period is limited, difficulty is larger;
Two, shipping ADCP can only measure the flow velocity of single-point section in river, cannot measure for the cross section across two sides scope;
Although three, horizontal ADCP can measure river area of section, equipment installation requirement is high, and measuring distance is limited, difficult in maintenance, and price is high.
In view of this, the middle and small river cross section water flow velocity high-frequency acoustic monitoring system that the present inventor's especial manufacture goes out that a kind of cost is low, measurement range is large and strong to working environment adaptability, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of middle and small river cross section water flow velocity high-frequency acoustic monitoring system, its structure is simple, applied range, the equipment that reduces introduces cost and cost of labor, achieves the round-the-clock flow monitoring in cross section, whole river and Monitoring Data batch acquisition rapidly, stores.
To achieve these goals, the technical solution of the utility model is as follows:
Middle and small river cross section water flow velocity high-frequency acoustic monitoring system, comprises two Flow speed measurers and at least one monitoring center;
Described Flow speed measurer comprises main control system, transducer, nautical receiving set, GPS locating device, power amplifier module, power amplifier and wireless data transfer module; The built-in D/A converter of main control system and A/D converter, transducer, power amplifier module are connected successively with D/A converter, nautical receiving set, power amplifier are connected successively with A/D converter, GPS locating device is connected with main control system respectively with wireless data transfer module, GPS locating device provides high precision time service and position and time message for main control system, and main control system is also by wireless data transfer module and inspection center's wireless telecommunications.
Further, described Flow speed measurer also comprises wave filter, and wave filter is connected with nautical receiving set and power amplifier.
Further, described wireless data transfer module is WIFI module or 3G module.
Further, described monitoring center at least comprises a cloud server, and Monitoring Data is uploaded to cloud server by wireless data transfer module by main control system.
Further, described main control system is industrial computer.
After adopting such scheme, utility model works principle is:
Before carrying out data monitoring, two Flow speed measurers of the present utility model are deployed in two sides, river respectively;
First, high frequency sound wave signal is launched by wherein Flow speed measurer, in this measuring instrument: GPS locating device produces PPS(pulse per second (PPS)) rising edge is when arriving corresponding frequencies, main control system produces electric signal, D/A converter converts electrical signals to simulating signal and is sent to power amplifier module, carry out being sent to transducer after energy amplifies process through power amplifier module, transducer sends high frequency sound wave signal, the while of GPS locating device, high-frequency ground transmitting time signal is to main control system, the launch time of main control system record acoustic signals;
Then, another Flow speed measurer receives this high frequency sound wave signal, in this measuring instrument: nautical receiving set receives acoustic signals, be converted to simulating signal and be sent to power amplifier, A/D converter is arrived after power amplifier, simulating signal is converted to electric signal and is back to main control system by A/D converter, and the while of GPS locating device, high-frequency ground transmitting time signal is to main control system, main control system record acoustic signals time of reception;
Above-mentioned high frequency sound wave transmitting and receiving process is repeatedly carried out, and the acoustic signals carried out repeatedly sends out receipts mutually mutual between two Flow speed measurers, the time data of the sonic transmissions monitored is uploaded to monitoring center by wireless data transfer module by main control system, unified process, just can be finally inversed by flow velocity and temperature (in river, velocity of sound disturbance causes primarily of temperature) according to acoustic transit time.
The beneficial effects of the utility model are: receive mutually by carrying out sending out mutually of high frequency sound wave signal between two measuring instruments in river, obtain a large amount of acoustic transit time data, convenient and swift, the flow velocity in cross section, whole river can be recorded, acoustic emission and reception all have main control system to carry out controlling run, without the need to manual site's operation, safety is effectively ensured, Monitoring Data is uploaded to monitoring center by the mode of wireless telecommunications, the batch realizing data obtains and stores, and improves the actual effect measuring efficiency and monitoring result.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram that the utility model two Flow speed measurers are arranged on two sides, river.
Embodiment
A kind of middle and small river cross section water flow velocity high-frequency acoustic monitoring system of the utility model announcement, comprises two Flow speed measurers and at least one monitoring center as shown in Figure 1;
Described Flow speed measurer comprises main control system, transducer, nautical receiving set, GPS locating device, power amplifier module, power amplifier and wireless data transfer module; In the present embodiment, main control system adopts industrial computer;
The built-in A converter of main control system and A/D converter, transducer, power amplifier module are connected successively with the D/A converter of main control system, nautical receiving set, power amplifier are connected successively with the A/D converter of main control system, GPS locating device is connected with main control system respectively with wireless data transfer module, GPS locating device provides high precision time service and position and time message for main control system, and main control system is also by wireless data transfer module and inspection center's wireless telecommunications.
In the present embodiment, professional underwater sound communication power amplifier module, power amplifier module is mainly divided into Switching Power Supply and digital power amplifier two parts, and power amplifier part mainly completes the amplification to high-frequency signal, so as signal can transmit farther.
In order to the noise reducing current and circuit disturbs monitor signal, Flow speed measurer also comprises wave filter, wave filter is connected with nautical receiving set and power amplifier, nautical receiving set signal is sent to power amplifier and A/D converter before by filter process, improve signal accuracy.
Wireless data transfer module is 3G module, and 3G module can be external 3G module or the built-in 3G module being built in main control system, and what the present embodiment adopted is external 3G module.
Monitoring center at least comprises a cloud server, Monitoring Data is uploaded to cloud server by wireless data transfer module by main control system, as shown in Figure 2, monitoring center can arrange multiple, each monitoring center and Flow speed measurer are set up network and are connected the cloud server that Monitoring Data can be uploaded to respectively a monitoring center, are convenient to monitoring personnel and obtain data manyly.
When the utility model runs: refer to Fig. 2, before carrying out data monitoring, two Flow speed measurers of the present utility model are deployed in two sides, river respectively;
First, high frequency sound wave signal is launched by wherein Flow speed measurer, in this measuring instrument: GPS locating device produces PPS(pulse per second (PPS)) rising edge is when arriving corresponding frequencies, main control system produces electric signal, D/A converter converts electrical signals to simulating signal and is sent to power amplifier module, carry out being sent to transducer after energy amplifies process through power amplifier module, transducer sends high frequency sound wave signal, the while of GPS locating device, high-frequency ground transmitting time signal is to main control system, the launch time of main control system record acoustic signals;
Then, another Flow speed measurer receives this high frequency sound wave signal, in this measuring instrument: nautical receiving set receives acoustic signals, be converted to simulating signal and be sent to power amplifier, A/D converter is arrived after power amplifier, simulating signal is converted to electric signal and is back to main control system by A/D converter, and the while of GPS locating device, high-frequency ground transmitting time signal is to main control system, main control system record acoustic signals time of reception;
Above-mentioned high frequency sound wave transmitting and receiving process is repeatedly carried out, and the acoustic signals carried out repeatedly sends out receipts mutually mutual between two Flow speed measurers, the time data of the sonic transmissions monitored is uploaded to monitoring center by wireless data transfer module by main control system, unified process, just can be finally inversed by flow velocity and temperature (in river, velocity of sound disturbance causes primarily of temperature) according to acoustic transit time.
The beneficial effects of the utility model are: receive mutually by carrying out sending out mutually of high frequency sound wave signal between two measuring instruments in river, obtain a large amount of acoustic transit time data, convenient and swift, the flow velocity in cross section, whole river can be recorded, acoustic emission and reception all have main control system to carry out controlling run, without the need to manual site's operation, safety is effectively ensured, Monitoring Data is uploaded to monitoring center by the mode of wireless telecommunications, the batch realizing data obtains and stores, and improves the actual effect measuring efficiency and monitoring result.
These are only specific embodiment of the utility model, the restriction not to protection domain of the present utility model.All equivalent variations done according to the mentality of designing of this case, all fall into the protection domain of this case.
Claims (5)
1. middle and small river cross section water flow velocity high-frequency acoustic monitoring system, is characterized in that: comprise two Flow speed measurers and at least one monitoring center;
Described Flow speed measurer comprises main control system, transducer, nautical receiving set, GPS locating device, power amplifier module, power amplifier and wireless data transfer module; The built-in D/A converter of main control system and A/D converter, transducer, power amplifier module are connected successively with D/A converter, nautical receiving set, power amplifier are connected successively with A/D converter, GPS locating device is connected with main control system respectively with wireless data transfer module, GPS locating device provides high precision time service and position and time message for main control system, and main control system is also by wireless data transfer module and inspection center's wireless telecommunications.
2. middle and small river cross section as claimed in claim 1 water flow velocity high-frequency acoustic monitoring system, it is characterized in that: described Flow speed measurer also comprises wave filter, wave filter is connected with nautical receiving set and power amplifier.
3. middle and small river cross section as claimed in claim 1 water flow velocity high-frequency acoustic monitoring system, is characterized in that: described wireless data transfer module is 3G module.
4. middle and small river cross section as claimed in claim 1 water flow velocity high-frequency acoustic monitoring system, is characterized in that: described monitoring center at least comprises a cloud server, and Monitoring Data is uploaded to cloud server by wireless data transfer module by main control system.
5. middle and small river cross section as claimed in claim 1 water flow velocity high-frequency acoustic monitoring system, is characterized in that: described main control system is industrial computer.
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| CN201520596482.1U CN204903569U (en) | 2015-08-10 | 2015-08-10 | Medium and small river cross -section water flow velocity high frequency acoustic monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253765A (en) * | 2018-10-24 | 2019-01-22 | 宁波市海洋环境监测中心 | River discharge monitors measuring system and method for calculating flux on-line |
| CN111830280A (en) * | 2020-07-23 | 2020-10-27 | 广州海事科技有限公司 | Flow velocity and flow monitoring method and system, computer equipment and storage medium |
| CN113433342A (en) * | 2021-08-26 | 2021-09-24 | 山东省科学院海洋仪器仪表研究所 | Ocean flow velocity detection system and detection method based on laser induced sound |
| CN113917185A (en) * | 2021-10-22 | 2022-01-11 | 浙江天禹信息科技有限公司 | Acoustic full-section flow meter and working method thereof |
-
2015
- 2015-08-10 CN CN201520596482.1U patent/CN204903569U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253765A (en) * | 2018-10-24 | 2019-01-22 | 宁波市海洋环境监测中心 | River discharge monitors measuring system and method for calculating flux on-line |
| CN111830280A (en) * | 2020-07-23 | 2020-10-27 | 广州海事科技有限公司 | Flow velocity and flow monitoring method and system, computer equipment and storage medium |
| CN113433342A (en) * | 2021-08-26 | 2021-09-24 | 山东省科学院海洋仪器仪表研究所 | Ocean flow velocity detection system and detection method based on laser induced sound |
| CN113917185A (en) * | 2021-10-22 | 2022-01-11 | 浙江天禹信息科技有限公司 | Acoustic full-section flow meter and working method thereof |
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