CN217637480U - Channel flow measurement system based on singlechip - Google Patents
Channel flow measurement system based on singlechip Download PDFInfo
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- CN217637480U CN217637480U CN202221929686.9U CN202221929686U CN217637480U CN 217637480 U CN217637480 U CN 217637480U CN 202221929686 U CN202221929686 U CN 202221929686U CN 217637480 U CN217637480 U CN 217637480U
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Abstract
The utility model discloses a channel flow measurement system based on singlechip, include: a parameter display unit; a water depth acquisition unit; a flow rate acquisition unit; a power supply unit; a water temperature acquisition unit; a human-computer interaction unit; a communication unit and a GPS module. The utility model is used for irrigate the depth of water, the velocity of flow and the flow measurement of open channel, the simple operation, measurement accuracy is high, and it is convenient that data storage is looked over, can realize remote control and transmission.
Description
Technical Field
The utility model relates to a water channel flow measurement technical field especially relates to a channel flow measurement system based on singlechip.
Background
At present, the industrial water, the agricultural water and the domestic water consumption of residents are increased greatly, the national water resources are more and more short, and in addition, the available water resources are less and less due to water pollution. How to win the Bishui protection war and strictly control the water resource utilization is an urgent problem to be solved, and how to accurately measure the flow rate of water fundamentally solves the problems, so that the water intake, water utilization and drainage dynamics are mastered in real time, and the accuracy and the real-time performance of information are ensured. Therefore, accurate measurement of the flow velocity and flow rate of the open channel is very important.
When the radar or ultrasonic non-contact type water level gauge is used for measuring water depth, a certain blind area exists due to the limitation of a transmitting angle, and the limitation is realized; when ADCP is used for flow velocity and water depth measurement, the calibration precision of the straight open-channel open channel is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect or not enough among the prior art, it is expected to provide a channel flow measurement system based on singlechip for irrigate the depth of water, velocity of flow and the flow measurement of open channel, the simple operation, measurement accuracy is high, and data storage looks over conveniently, can realize remote control and transmission.
The utility model provides a pair of channel flow measurement system based on singlechip, include:
the parameter display unit is used for processing and displaying data;
the water depth acquisition unit is connected with the parameter display unit and is used for acquiring water depth information of the measurement point location;
the flow velocity acquisition unit is connected with the parameter display unit and is used for acquiring flow velocity information of water at the measurement point;
the power supply unit is respectively connected with the parameter display unit, the water depth acquisition unit and the flow speed acquisition unit;
the water temperature acquisition unit is connected with the parameter display unit and is used for acquiring water temperature information of the measurement point location;
the human-computer interaction unit is connected with the parameter display unit;
the communication unit is connected with the parameter display unit;
and the GPS module is connected with the parameter display unit.
Further, the water depth acquisition unit comprises a high-frequency pressure sensor; the flow rate acquisition unit comprises a latching Hall magnetic sensor and a three-blade propeller.
Further, the power supply unit includes:
the lithium battery is respectively connected with the parameter display unit, the water depth acquisition unit and the flow speed acquisition unit through the rectifying and filtering circuit, the voltage conversion circuit and the low-power consumption processing circuit in sequence;
and the charging module is connected with the lithium battery.
Further, the human-computer interaction unit includes:
the voice interaction module is connected with the parameter display unit;
and the Bluetooth interaction module is connected with the parameter display unit and is used for communication connection between the parameter display unit and the mobile terminal.
Further, the communication unit includes:
the RS485 communication module is connected with the parameter display unit and is used for communication connection between the parameter display unit and a computer;
and the NB-IoT communication module is connected with the parameter display unit and is used for communication connection between the parameter display unit and a remote server.
Furthermore, the measuring system also comprises a voltage acquisition unit; the voltage acquisition unit is respectively connected with the water depth acquisition unit and the flow velocity acquisition unit and is used for acquiring the working voltages of the water depth acquisition unit and the flow velocity acquisition unit, and the voltage acquisition unit is connected with the parameter display unit.
Furthermore, the parameter display unit comprises a microprocessor, and a hardware reset module, a real-time clock module, a data download module, a liquid crystal display module, a key control module, a data storage module and a serial port communication module which are respectively connected with the microprocessor.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a measurement system acquires depth of water and water velocity information through depth of water collection unit and velocity of flow collection unit, transmits to parameter display unit and carries out data processing after the average filtering that slides, obtains depth of water value, velocity of flow value and flow value. And a singlechip is used as a core, so that automatic measurement is realized. The device is used for measuring the water depth, the flow velocity and the flow of the irrigation open channel, is convenient to operate and is accurate in detection. The data storage is checked conveniently, remote control and transmission can be realized, and real-time monitoring and accurate measurement of the flow of the open channel are ensured.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a block diagram showing the structure of a channel flow rate measurement system.
Reference numbers in the figures: 1. a parameter display unit; 2. a water depth acquisition unit; 3. a flow rate acquisition unit; 4. a power supply unit; 5. a water temperature acquisition unit; 6. a voltage acquisition unit; 7. a human-computer interaction unit; 8. a communication unit; 9. a GPS module;
11. a microprocessor; 12. a hardware reset module; 13. a real-time clock module; 14. a data download module; 15. a liquid crystal display module; 16. a key control module; 17. a data storage module; 18. a serial port communication module;
41. a lithium battery; 42. a rectification filter circuit; 43. a voltage conversion circuit; 44. a low power consumption processing circuit; 45. a charging module;
71. a voice interaction module; 72. a Bluetooth interaction module;
81. an RS485 communication module; 82. an NB-IoT communication module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, an embodiment of the present invention provides a channel flow measurement system based on a single chip, including:
the parameter display unit 1 is used for processing and displaying data;
the water depth acquisition unit 2 is connected with the parameter display unit 1 and is used for acquiring water depth information of the measurement point location;
the flow velocity acquisition unit 3 is connected with the parameter display unit 1 and is used for acquiring flow velocity information of water at the measurement point;
the power supply unit 4 is respectively connected with the parameter display unit 1, the water depth acquisition unit 2 and the flow speed acquisition unit 3;
the water temperature acquisition unit 5 is connected with the parameter display unit 1 and is used for acquiring water temperature information of the measurement point location;
the human-computer interaction unit 7 is connected with the parameter display unit 1;
a communication unit 8 connected to the parameter display unit 1;
and the GPS module 9 is connected with the parameter display unit 1.
In this embodiment, the water depth and water flow rate information is acquired by the water depth acquisition unit 2 and the flow rate acquisition unit 3, and is transmitted to the parameter display unit 1 for data processing after being processed by the moving average filtering.
Obtaining the water depth analog quantity signal value h 1 Fitting equation H according to a curve a ＝x 1 *h 1 +x 2 Calculating to obtain a water depth value H a Wherein x is 1 Is the slope of water depth, x 2 Is the water depth intercept; for water depth value H a Correcting to obtain corrected water depth value H b ，H b ＝H a *(x 3 *t+x 4 ) Wherein t is a water temperature value, x 3 Is the temperature slope, x 4 Is the temperature intercept;
obtaining a flow rate analog quantity signal V according to a curve fitting equation V = x 5 *v+x 6 Calculating to obtain an instantaneous flow velocity value V, wherein x 5 Is the instantaneous flow rate slope, x 6 Is the instantaneous flow intercept; obtaining n groups of instantaneous flow velocity values V, averaging to obtain the average flow velocity of the measuring point
According to the average flow velocity of each measuring point on the vertical line
Then, the average value is calculated to calculate the velocity V of the vertical line m (ii) a Until the measurement of all the vertical lines is completed; calculating the fractional flow value of each section according to the channel section divided by each vertical line; and then calculating to obtain a total flow value. Then data storage and data transmission are carried out, and data storage is carried out according to the water depth value-flow velocity value-total flow value-longitude and latitude-testing time as a group of data; by means of a communication unit 8And (4) transmitting data.
The utility model discloses use the singlechip as the core, realized automatic measurement. The device is used for measuring the water depth, the flow velocity and the flow of the irrigation open channel, is convenient to operate and is accurate in detection. The data storage is checked conveniently, remote control and transmission can be realized, and real-time monitoring and accurate measurement of the flow of the open channel are ensured.
In a preferred embodiment, the water depth collecting unit 2 comprises a high-frequency pressure sensor for collecting water depth information; the flow velocity acquisition unit 3 comprises a latching Hall magnetic sensor and a three-blade propeller and is used for acquiring water flow velocity information.
In a preferred embodiment, as shown in fig. 1, the power supply unit 4 comprises:
the lithium battery 41 is respectively connected with the parameter display unit 1, the water depth acquisition unit 2 and the flow speed acquisition unit 3 through the rectifying and filtering circuit 42, the voltage conversion circuit 43 and the low-power consumption processing circuit 44 in sequence;
and a charging module 45 connected with the lithium battery 41.
In this embodiment, the system uses a lithium battery 41 for power supply, and the power supply safety of the system is ensured by various protection circuits, and the lithium battery 41 is charged by a charging module 45.
In a preferred embodiment, as shown in fig. 1, the human-computer interaction unit 7 comprises:
the voice interaction module 71 is connected with the parameter display unit 1;
and the Bluetooth interaction module 72 is connected with the parameter display unit 1 and is used for communication connection between the parameter display unit 1 and the mobile terminal.
In the present embodiment, the voice control of the measurement system is realized by the voice interaction module 71. The operation control and information viewing through the mobile terminal are realized through the Bluetooth interaction module 72. The convenience of system operation is improved.
In a preferred embodiment, as shown in fig. 1, the communication unit 8 comprises:
the RS485 communication module 81 is connected with the parameter display unit 1 and is used for communication connection between the parameter display unit 1 and a computer;
and the NB-IoT communication module 82 is connected with the parameter display unit 1 and is used for communication connection between the parameter display unit 1 and a remote server.
In a preferred embodiment, as shown in fig. 1, the measurement system further comprises a voltage acquisition unit 6; the voltage acquisition unit 6 is respectively connected with the water depth acquisition unit 2 and the flow velocity acquisition unit 3 and is used for acquiring the working voltage of the water depth acquisition unit 2 and the flow velocity acquisition unit 3, and the voltage acquisition unit 6 is connected with the parameter display unit 1. Whether the water depth acquisition unit 2 and the flow velocity acquisition unit 3 normally operate or not is monitored through the voltage acquisition unit 6, and the reliability of the measurement system is ensured.
In a preferred embodiment, as shown in fig. 1, the parameter display unit 1 includes a microprocessor 11, and a hardware reset module 12, a real-time clock module 13, a data download module 14, a liquid crystal display module 15, a key control module 16, a data storage module 17 and a serial communication module 18 respectively connected to the microprocessor 11; the system is used for processing and displaying data in real time, has high automation degree and is convenient to check.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a channel flow measurement system based on singlechip which characterized in that includes:
the parameter display unit is used for processing and displaying data;
the water depth acquisition unit is connected with the parameter display unit and is used for acquiring water depth information of the measurement point location;
the flow velocity acquisition unit is connected with the parameter display unit and is used for acquiring flow velocity information of water at the measurement point;
the power supply unit is respectively connected with the parameter display unit, the water depth acquisition unit and the flow speed acquisition unit;
the water temperature acquisition unit is connected with the parameter display unit and is used for acquiring water temperature information of the measurement point location;
the human-computer interaction unit is connected with the parameter display unit;
the communication unit is connected with the parameter display unit;
and the GPS module is connected with the parameter display unit.
2. The one-chip microcomputer based channel flow measurement system of claim 1, wherein the water depth collection unit includes a high frequency pressure sensor; the flow rate acquisition unit comprises a latching Hall magnetic sensor and a three-blade propeller.
3. The one-chip microcomputer based channel flow measurement system of claim 2, wherein the power supply unit comprises:
the lithium battery is respectively connected with the parameter display unit, the water depth acquisition unit and the flow speed acquisition unit through the rectifying and filtering circuit, the voltage conversion circuit and the low-power consumption processing circuit in sequence;
and the charging module is connected with the lithium battery.
4. The SCM-based channel flow measurement system of claim 3, wherein the human-computer interaction unit comprises:
the voice interaction module is connected with the parameter display unit;
and the Bluetooth interaction module is connected with the parameter display unit and is used for communication connection between the parameter display unit and the mobile terminal.
5. The one-chip microcomputer based channel flow measurement system of claim 4, wherein the communication unit includes:
the RS485 communication module is connected with the parameter display unit and is used for communication connection between the parameter display unit and a computer;
and the NB-IoT communication module is connected with the parameter display unit and is used for communication connection between the parameter display unit and a remote server.
6. The one-chip microcomputer based channel flow measurement system of claim 5, further comprising a voltage acquisition unit; the voltage acquisition unit is respectively connected with the water depth acquisition unit and the flow velocity acquisition unit and is used for acquiring the working voltages of the water depth acquisition unit and the flow velocity acquisition unit, and the voltage acquisition unit is connected with the parameter display unit.
7. The channel flow measuring system based on the single chip microcomputer of claim 6, wherein the parameter display unit comprises a microprocessor, and a hardware reset module, a real-time clock module, a data download module, a liquid crystal display module, a key control module, a data storage module and a serial port communication module which are respectively connected with the microprocessor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221929686.9U CN217637480U (en) | 2022-07-26 | 2022-07-26 | Channel flow measurement system based on singlechip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221929686.9U CN217637480U (en) | 2022-07-26 | 2022-07-26 | Channel flow measurement system based on singlechip |
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| CN217637480U true CN217637480U (en) | 2022-10-21 |
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| CN202221929686.9U Active CN217637480U (en) | 2022-07-26 | 2022-07-26 | Channel flow measurement system based on singlechip |
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