CN219039104U

CN219039104U - Be applied to portable ADCP equipment of open channel velocity of flow measurement

Info

Publication number: CN219039104U
Application number: CN202320049976.2U
Authority: CN
Inventors: 韩阳阳; 李劲松; 靳帅
Original assignee: Hefei Smartsun Instrument Co ltd
Current assignee: Hefei Smartsun Instrument Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-16
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of open channel flow rate measurement, in particular to portable ADCP equipment applied to open channel flow rate measurement, which comprises a microcontroller, a TFT touch screen, an RS485 communication circuit and an acoustic Doppler flow rate profiler, wherein the TFT touch screen and the RS485 communication circuit are electrically connected with the microcontroller, and the RS485 communication circuit is electrically connected with the acoustic Doppler flow rate profiler; the microcontroller is connected with the TFT touch screen through one path of RS232 communication interface and used for realizing man-machine interaction, the microcontroller is used as a control and calculation center of the whole device, can control the normal operation of the whole device, comprises the sending and receiving of signals and the operation and storage of data, and simultaneously has the functions of data acquisition, calculation and storage, and after the measurement of an operator is finished, the result of a measured data form is conveniently imported into a computer through a TF card for printing or storage, so that the data, the record and the calculation can be automatically and rapidly finished by using the device by a single person.

Description

Be applied to portable ADCP equipment of open channel velocity of flow measurement

Technical Field

The utility model relates to the technical field of open channel flow rate measurement, in particular to a portable ADCP device applied to open channel flow rate and flow measurement.

Background

Since 1960, the flow rate of a river obtained by hydrologic stations in China is generally measured by using a flow rate meter, and the average flow rate of any point in water flow is measured.

At present, two types of flow velocity and flow meters of rotary cup type and rotary propeller type are mainly adopted for measuring the flow velocity and flow of an open channel, and the flow velocity and flow meter consists of a rotator for sensing water flow, a counter for recording signals and a tail fin for keeping the instrument opposite to the water flow, such as a dynamic flow velocity monitoring device proposed in patent application number CN202121673651.9 and a magnetic suspension rotary propeller type flow meter proposed in patent application number CN 202023091524.6.

The rotary cup type and propeller type flow velocity meter has the advantages of low equipment cost and accurate and reliable measured data, but the rotary cup type and propeller type flow velocity meter has the following disadvantages:

1. the mechanical inertia exists, the response speed is low, the turbulence which changes rapidly cannot be measured, the regular verification and maintenance are needed, and the water cannot be fed for measurement when the flow is large;

2. usually, multiple persons are required to cooperate to complete the stabilization of the flow meter, the operation of the handheld end and the recording and calculation of data.

Disclosure of Invention

The utility model aims to provide a portable ADCP device applied to open channel flow velocity and flow measurement, so as to solve the problems in the background art.

The aim of the utility model can be achieved by the following technical scheme:

the portable ADCP device comprises a microcontroller, a TFT touch screen, an RS485 communication circuit and an acoustic Doppler flow profiler, wherein the TFT touch screen and the RS485 communication circuit are electrically connected with the microcontroller, and the RS485 communication circuit is electrically connected with the acoustic Doppler flow profiler;

the microcontroller is connected with the TFT touch screen through one path of RS232 communication interface and is used for realizing man-machine interaction;

and the microcontroller is connected with the acoustic Doppler flow velocity profiler by adopting an RS485 bus and is used for acquiring open channel flow velocity and flow data.

Preferably, the core processor of the microcontroller is an STM32F103C8T6 processor.

Preferably, the microcontroller is provided with an RS232 communication interface for connecting with an external PC end to complete debugging of the instrument.

Preferably, the portable ADCP device applied to open channel flow velocity and flow measurement further comprises a TF memory card, and the microcontroller is connected with the TF memory card through an SPI communication interface and used for completing data storage and export.

Preferably, the portable ADCP device applied to open channel flow velocity and flow measurement further comprises a real-time clock chip, and the microcontroller is connected with the real-time clock chip through an IIC communication interface and used for providing accurate clock information for the device.

Preferably, the portable ADCP device applied to open channel flow velocity and flow measurement further comprises a battery electric quantity reading module and a 12V power supply, wherein the battery electric quantity reading module and the 12V power supply are electrically connected with the microcontroller, the 12V power supply is used for providing power for the device, and the battery electric quantity reading module is used for reading the residual electric quantity of the 12V power supply and displaying the residual electric quantity on the TFT touch screen through the microcontroller.

The utility model has the beneficial effects that:

the microcontroller is used as a control and calculation center of the whole device, can control the normal operation of the whole equipment, comprises the sending and receiving of signals, the operation and storage of data, and has the functions of collecting, calculating and storing the data, after the measurement of an operator is finished, the result of a measured data table is conveniently imported into a computer for printing or storing through a TF card, so that the data and the recording and the calculation can be automatically and quickly finished by using the equipment by a single person, and the Doppler flow velocity profiler for measuring the speed can measure the frequency shift information of a layered water medium scattering signal by adopting an acoustic Doppler principle, does not generate any disturbance on a tested flow field, and does not have mechanical inertia and mechanical abrasion.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Reference numerals in the drawings are as follows:

1. the device comprises a microcontroller, a TFT touch screen, a 3, an RS485 communication circuit, a 4, an acoustic Doppler flow velocity profiler, a 5, a TF memory card, a 6, a real-time clock chip, a 7, a battery electric quantity reading module and 8, 12V power supplies.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The portable ADCP device for measuring the flow rate and the flow quantity of the open channel comprises a microcontroller 1, a TFT touch screen 2, an RS485 communication circuit 3 and an acoustic Doppler current profiler 4, wherein the TFT touch screen 2 and the RS485 communication circuit 3 are electrically connected with the microcontroller 1, and the RS485 communication circuit 3 is electrically connected with the acoustic Doppler current profiler 4;

the microcontroller 1 is connected with the TFT touch screen 2 through one path of RS232 communication interface and is used for realizing man-machine interaction;

and the microcontroller 1 is connected with the acoustic Doppler flow velocity profiler 4 by adopting an RS485 bus and is used for acquiring open channel flow velocity and flow data.

The core processor of the microcontroller 1 is an STM32F103C8T6 processor.

The STM32F103C8T6 processor is a low-power-consumption and high-cost-performance processor which is proposed by an Italian semiconductor company, is based on a high-performance Cortex-M3 kernel of an ARM company, can be widely applied to the fields of signal acquisition, data processing and the like, is rich in interface and powerful in function, selects the STM32F103C8T6 as an MCU, realizes communication with an acoustic Doppler flow profiler 4, and achieves the functions of data acquisition, control of a complete machine working mode, calculation and storage of flow and communication with other modules.

And the microcontroller 1 is provided with an RS232 communication interface which is used for being connected with an external PC end to complete the debugging of the instrument.

The portable ADCP device applied to open channel flow velocity and flow measurement further comprises a TF memory card 5, wherein the microcontroller 1 is connected with the TF memory card 5 through an SPI communication interface and used for completing data storage and export.

The portable ADCP device applied to open channel flow velocity and flow measurement further comprises a real-time clock chip 6, wherein the microcontroller 1 is connected with the real-time clock chip 6 through an IIC communication interface and is used for providing accurate clock information for the device.

The portable ADCP equipment for measuring the flow rate and the flow rate of the open channel further comprises a battery electric quantity reading module 7 and a 12V power supply 8, wherein the battery electric quantity reading module 7 and the 12V power supply 8 are electrically connected with the microcontroller 1, the 12V power supply 8 is used for providing power for the equipment, and the battery electric quantity reading module 7 is used for reading the residual electric quantity of the 12V power supply 8 and displaying the residual electric quantity on the TFT touch screen 2 through the microcontroller 1.

Through 12V lithium cell power supply, compare with the rotor that artifical current measurement is commonly used is the current meter, equipment degree of automation is higher, can realize single measurement, and the handheld end of equipment adopts 5 cun TFT touch-sensitive screens 2, not only makes equipment operation more convenient, and measuring result also can more audio-visual show.

The utility model provides a portable ADCP device applied to open channel flow velocity and flow measurement, which has the following working principle:

the staff carries out data entry and data acquisition through the TFT touch screen 2, the microcontroller 1 receives an instruction sent by the TFT touch screen 2, identifies the received instruction information, and starts open channel flow velocity and flow data acquisition through the acoustic Doppler flow profiler 4, and in the data acquisition process, the operator can observe the dynamic information of the acquired data on the TFT touch screen 2;

the microcontroller 1 reads the residual electric quantity of the 12V power supply 8 through the battery electric quantity reading module 7 at regular time and displays the residual electric quantity on the TFT touch screen 2, the real-time clock chip 6 can display clock information on the TFT touch screen 2, after data acquisition is completed, the corresponding position on the TFT touch screen 2 is clicked, the acquired data can be stored in the TF memory card 5 of the equipment, after measurement is completed, the TF memory card 5 is taken out, and the acquired data is transferred to a computer for storage.

Compared with the related art, the portable ADCP device applied to open channel flow velocity and flow measurement has the following beneficial effects:

the microcontroller 1 is used as a control and calculation center of the whole device, can control the normal operation of the whole equipment, comprises the sending and receiving of signals, the operation and storage of data, and has the functions of collecting, calculating and storing the data, after the measurement of an operator is finished, the measured data form result is conveniently imported into a computer for printing or storing through the TF card 5, so that a single person can automatically and quickly finish the data and the recording and the calculation by using the equipment, and the Doppler flow profiler 4 for measuring the speed is used for measuring the frequency shift information of the layered water medium scattering signals by adopting the acoustic Doppler principle, does not generate any disturbance on the flow field to be tested, and does not have mechanical inertia and mechanical abrasion.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The portable ADCP equipment for measuring the flow rate and the flow quantity of the open channel is characterized by comprising a microcontroller (1), a TFT touch screen (2), an RS485 communication circuit (3) and an acoustic Doppler flow velocity profiler (4), wherein the TFT touch screen (2) and the RS485 communication circuit (3) are electrically connected with the microcontroller (1), and the RS485 communication circuit (3) and the acoustic Doppler flow velocity profiler (4) are electrically connected;

the microcontroller (1) is connected with the TFT touch screen (2) through one path of RS232 communication interface and is used for realizing man-machine interaction;

and the microcontroller (1) is connected with the acoustic Doppler flow velocity profiler (4) by adopting an RS485 bus and is used for acquiring open channel flow velocity and flow data.

2. A portable ADCP device for use in open channel flow rate and volume measurement according to claim 1, characterised in that the core processor of the microcontroller (1) is an STM32F103C8T6 processor.

3. The portable ADCP device for open channel flow velocity and flow measurement according to claim 2, wherein the microcontroller (1) is provided with an RS232 communication interface for connecting with an external PC end to complete debugging of the instrument.

4. The portable ADCP device for open channel flow rate and flow measurement according to claim 1, further comprising a TF memory card (5), wherein the microcontroller (1) is connected to the TF memory card (5) through a single SPI communication interface, and is used for storing and exporting data.

5. The portable ADCP device for open channel flow rate and measurement according to claim 4, further comprising a real time clock chip (6), wherein the microcontroller (1) is connected to the real time clock chip (6) via an IIC communication interface for providing accurate clock information to the device.

6. The portable ADCP device for open channel flow rate and flow measurement according to claim 5, further comprising a battery power reading module (7) and a 12V power supply (8), wherein the battery power reading module (7) and the 12V power supply (8) are electrically connected with the microcontroller (1), the 12V power supply (8) is used for providing power for the device, and the battery power reading module (7) is used for reading the residual power of the 12V power supply (8) and displaying the residual power on the TFT touch screen (2) through the microcontroller (1).