CN112649901A - Telemetering terminal with rainfall false alarm preventing function and implementation method thereof - Google Patents
Telemetering terminal with rainfall false alarm preventing function and implementation method thereof Download PDFInfo
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- G01W—METEOROLOGY
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a telemetering terminal with a rainfall false alarm preventing function and an implementation method thereof, wherein the telemetering terminal comprises a terminal main control module, a terminal control module and a terminal control module, wherein the terminal main control module is used for receiving a pulse signal output by a rainfall sensor and a switching value signal and an analog quantity signal output by a raindrop sensor; the terminal main control module is provided with a pulse quantity input interface module, a switching quantity input interface module, an analog quantity input interface module and a power supply module. The sensing module is used for sensing the natural rainfall and the size of raindrops and outputting a rainfall signal; and the wireless communication module is used for receiving the collected rainfall data and carrying out remote transmission. The sensing module comprises a rainfall sensor arranged on the terminal main control module and a raindrop sensor arranged on the terminal main control module. The invention prevents false alarm of data caused by shaking generated by the tipping bucket type rain gauge in severe environment, can improve the data accuracy and reliability of a monitoring system, reduce the operation and maintenance cost of the system, and also avoid decision errors caused by false alarm invalid rain data to managers.
Description
Technical Field
The invention relates to the technical field of rainfall data false alarm prevention of a telemetering terminal, in particular to a telemetering terminal with a rainfall false alarm prevention function and an implementation method thereof.
Background
A remote measuring terminal product for monitoring rainfall data in a hydrological automatic measuring and reporting system is used as the rainfall monitoring data which can provide high accuracy and reliability. The method is extremely important for a hydrological monitoring system, and how to judge whether the rainfall data is real and effective is achieved, so that the accuracy and reliability of rainfall data detection are improved.
The conventional rainfall monitoring scheme does not comprise rainfall state detection, and the output of the tipping bucket type rain gauge cannot be really and effectively judged, so that the accuracy and reliability of rainfall data acquisition and data reporting cannot be guaranteed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and adopts a telemetering terminal with a rainfall mis-reporting prevention function and an implementation method thereof to solve the problems in the background technology.
A telemetry terminal with rainfall false alarm prevention function comprises:
the terminal main control module is used for receiving a pulse signal output by the rainfall sensor, a switching value signal output by the raindrop sensor and an analog signal;
the sensing module is used for sensing the natural rainfall and the size of raindrops and outputting a rainfall signal;
and the wireless communication module is used for receiving the collected rainfall data and carrying out remote transmission.
As a further aspect of the invention: the sensing module comprises a rainfall sensor arranged on the terminal main control module and a raindrop sensor arranged on the terminal main control module.
As a further aspect of the invention: the terminal main control module is provided with a pulse quantity input interface module, a switching quantity input interface module, an analog quantity input interface module and a power supply module, and the wireless communication module is connected to the terminal main control module.
As a further aspect of the invention: the pulse quantity input interface module is connected with the output end of the rainfall sensor, and the switching quantity input interface module and the analog quantity input interface module are connected with the output end of the raindrop sensor.
As a further aspect of the invention: the rainfall sensor adopts a tipping bucket type rain gauge.
A method for realizing a telemetering terminal with a rainfall false alarm prevention function is characterized by comprising the following steps:
s1, collecting real-time rainfall pulse signals;
s2, determining the effectiveness of the real-time rainfall pulse signals between two acquisition intervals, and recording effectiveness data;
and S3, the terminal main control module reads and calculates the collected rainfall data and transmits the rainfall data to the remote center.
As a further aspect of the invention: the specific steps of collecting the real-time rainfall pulse signal by the S1 include:
the rainfall sensor senses rainfall and outputs a pulse signal, and meanwhile, the terminal main control module also receives a rainfall interruption signal.
As a further aspect of the invention: the S2 determines the validity of the real-time rainfall pulse signal between two acquisition intervals, and the specific step of recording validity data includes:
the terminal main control module receives a pulse signal and an interrupt signal and simultaneously receives and judges a level signal of the raindrop sensor;
if the input signal is at a high level, the rainfall is invalid and one-time invalid rainfall is recorded, the recording frequency of the invalid rainfall needs to be initialized to 0, and if the input signal is at a low level, the rainfall is valid, and the recording frequency of the invalid rainfall is unchanged.
As a further aspect of the invention: the specific steps of the S3 that the terminal main control module reads and calculates the collected rainfall data and transmits the rainfall data to the remote center include:
reading the collected rainfall data, and subtracting the rainfall data corresponding to the invalid rainfall times;
calculating to obtain real and effective rainfall data and initializing the rainfall invalid recording time value;
and when detecting the report sending condition, the terminal main control module sends the rainfall data to the remote center through the wireless communication module.
Compared with the prior art, the invention has the following technical effects: by adopting the technical scheme, the rainfall data can be accurately judged when the telemetering terminal machine collects the rainfall meter data, and whether the rainfall data output by the tipping bucket type rainfall meter is calculated and processed every time is determined by detecting the rainfall state represented by the raindrop sensor, so that the rainfall data detection accuracy and reliability are improved.
Drawings
The following detailed description of embodiments of the invention refers to the accompanying drawings in which:
FIG. 1 is a block diagram of a telemetry terminal according to some embodiments of the present disclosure;
FIG. 2 is a schematic diagram of the steps for implementing a telemetry terminal according to some embodiments of the present disclosure;
FIG. 3 is a block flow diagram of a method of implementing a telemetry terminal according to some embodiments of the present disclosure.
In the figure: 1. a terminal main control module; 11. the pulse quantity input interface module; 12. a switching value input interface module; 13. an analog input interface module; 14. a power supply module; 2. a rainfall sensor; 21. a rainfall sensor; 22. a raindrop sensor; 3. a wireless communication module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a telemetry terminal with a rainfall mis-reporting prevention function includes a terminal main control module 1, an induction module 2, and a wireless communication module 3.
And the terminal main control module 1 is used for receiving the pulse signal output by the rainfall sensor and the switching value signal and the analog quantity signal output by the raindrop sensor.
And the sensing module 2 is used for sensing the natural rainfall and the size of raindrops and outputting rainfall signals.
And the wireless communication module 3 is used for receiving the collected rainfall data and carrying out remote transmission.
In some specific embodiments, the sensing module 2 includes a rainfall sensor 21 disposed on the terminal main control module 1, and a raindrop sensor 22 disposed on the terminal main control module 1.
In some specific embodiments, the terminal main control module 1 is provided with a pulse quantity input interface module 11, a switching quantity input interface module 12, an analog quantity input interface module 13, and a power supply module 14, and the wireless communication module 3 is connected to the terminal main control module 1.
Wherein, the rainfall sensor 21 needs to be configured, that is, the signal acquisition interfaces of the tipping-bucket rain gauge and the raindrop sensor 22 are adopted, the interface signal type of the rainfall sensor 21 is pulse quantity, and the interface signal type of the raindrop sensor 22 is switching value signal or analog quantity signal. When the signal output of the raindrop sensor 22 is a switching value signal, the switching value input interface module 12 of the terminal main control module 1 of the telemetering terminal is accessed; when the signal output of the raindrop sensor 22 is analog quantity signal output, the analog quantity input interface module 13 of the terminal main control module 1 of the telemetering terminal is accessed, and the terminal main control module 1 can output the analog quantity signal.
Specifically, the pulse signal of the rainfall sensor 21 needs to be connected to a pin with an interrupt function of the terminal main control module 1 of the telemetering terminal.
In some specific embodiments, the pulse quantity input interface module 11 is connected to an output terminal of the rainfall sensor 21, and the switching quantity input interface module 12 and the analog quantity input interface module 13 are connected to an output terminal of the raindrop sensor 22.
Referring to fig. 2, a method for implementing a telemetry terminal with a rainfall mis-reporting prevention function includes the following steps:
s1, collecting real-time rainfall pulse signals;
the method comprises the following specific steps: when the rainfall signal of the rainfall sensor 21 is collected and a pulse signal is sent in real time, and each time the rainfall sensor 21 outputs a pulse signal, the terminal main control module 1 detects a rainfall interruption signal.
S2, determining the effectiveness of the real-time rainfall pulse signals between two acquisition intervals, and recording effectiveness data;
the method comprises the following specific steps: when a terminal main control module 1 of the telemetering terminal receives a pulse signal and an interrupt signal, a level signal for judging the raindrop sensor 22 is received;
detecting a high-low level signal of a signal input interface of the raindrop sensor 22, if the input signal is a high level, recording ineffective rainfall, adding 1 to the number of ineffective rainfall records, wherein the number of ineffective rainfall records needs to be initialized to 0, and if the input signal is a low level, recording the ineffective rainfall, wherein the number of ineffective rainfall records is unchanged.
And S3, the terminal main control module 1 reads and calculates the collected rainfall data and transmits the rainfall data to a remote center.
The method comprises the following specific steps: when the rainfall data is collected, the terminal main control module 1 of the telemetering terminal reads the rainfall data of the counter of the rainfall sensor, then subtracts the invalid rainfall data corresponding to the invalid rainfall times, and finally calculates to obtain real and effective valid rainfall data and clears the rainfall invalid recording time value. When a terminal main control module 1 of the telemetering terminal detects a report sending condition, rainfall data is sent to a remote central station through a wireless communication module 3.
Fig. 3 is a flow chart illustrating a method for implementing one embodiment of the present invention.
The figure shows that the rainfall invalid recording times are initialized to 0, and then the pulse signals of the tipping bucket type rain gauge are circularly detected in real time through the interrupt pin of the terminal main control module 1. When the pulse signal is detected, the level state of the switching amount signal of the raindrop sensor 22 is detected again. If the high level is in a no-rain state, adding 1 to the number of invalid rainfall records. If the rainfall is in the low level, the number of invalid rainfall records is not changed. And reading the pulse signal count of the tipping bucket type rain gauge until the rainfall data is acquired, calculating effective rainfall data, initializing the rainfall invalid recording times, and transmitting the rainfall data to a remote center under the condition of sending a report.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.
Claims (9)
1. A telemetering terminal with rainfall false alarm preventing function is characterized by comprising
The terminal main control module (1) is used for receiving a pulse signal output by a rainfall sensor, a switching value signal output by a raindrop sensor and an analog signal;
the sensing module (2) is used for sensing the natural rainfall and the size of raindrops and outputting rainfall signals;
and the wireless communication module (3) is used for receiving the collected rainfall data and carrying out remote transmission.
2. The telemetry terminal with rainfall error reporting prevention function according to claim 1, wherein the sensing module comprises a rainfall sensor (21) disposed at the terminal main control module, and a raindrop sensor (22) disposed at the terminal main control module.
3. The telemetry terminal with rainfall error reporting prevention function according to claim 2, wherein the terminal main control module is provided with a pulse quantity input interface module (11), a switching quantity input interface module (12), an analog quantity input interface module (13), and a power supply module (14), and the wireless communication module is connected to the terminal main control module.
4. The telemetry terminal with the rainfall error reporting prevention function according to claim 2 or 3, wherein the pulse quantity input interface module is connected with an output end of a rainfall sensor, and the switching quantity input interface module and the analog quantity input interface module are connected with an output end of a raindrop sensor.
5. The telemetric terminal with a rainfall misrepresentation prevention function according to claim 4, wherein the rainfall sensor is a skip type rain gauge.
6. A method for realizing a telemetering terminal with a rainfall false alarm prevention function is characterized by comprising the following steps:
s1, collecting real-time rainfall pulse signals;
s2, determining the effectiveness of the real-time rainfall pulse signals between two acquisition intervals, and recording effectiveness data;
and S3, the terminal main control module reads and calculates the collected rainfall data and transmits the rainfall data to the remote center.
7. The method as claimed in claim 6, wherein the step of S1 acquiring the real-time rainfall pulse signal comprises:
the rainfall sensor senses rainfall and outputs a pulse signal, and meanwhile, the terminal main control module also receives a rainfall interruption signal.
8. The method as claimed in claim 6, wherein the step S2 determines the validity of the real-time rainfall pulse signal between two acquisition intervals, and the step of recording the validity data includes:
the terminal main control module receives a pulse signal and an interrupt signal and simultaneously receives and judges a level signal of the raindrop sensor;
if the input signal is at a high level, the rainfall is invalid and one-time invalid rainfall is recorded, the recording frequency of the invalid rainfall needs to be initialized to 0, and if the input signal is at a low level, the rainfall is valid, and the recording frequency of the invalid rainfall is unchanged.
9. The method as claimed in claim 6, wherein the step of S3 reading the collected rainfall data by the terminal main control module and transmitting the rainfall data to the remote center includes:
reading the collected rainfall data, and subtracting the rainfall data corresponding to the invalid rainfall times;
calculating to obtain real and effective rainfall data and initializing the rainfall invalid recording time value;
and when detecting the report sending condition, the terminal main control module sends the rainfall data to the remote center through the wireless communication module.
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| CN202011384595.7A CN112649901B (en) | 2020-11-30 | 2020-11-30 | Telemetry terminal with rainfall false alarm prevention function and implementation method thereof |
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| CN202011384595.7A CN112649901B (en) | 2020-11-30 | 2020-11-30 | Telemetry terminal with rainfall false alarm prevention function and implementation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325881A (en) * | 2021-12-15 | 2022-04-12 | 甘肃省气象信息与技术装备保障中心 | Intelligent tipping bucket type rainfall monitoring system and measuring instrument |
| CN114814996A (en) * | 2022-05-06 | 2022-07-29 | 四川远德安防检测设备有限公司 | Self-checking type rain gauge and fault judgment method |
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| CN109975894A (en) * | 2019-04-17 | 2019-07-05 | 孙开兴 | Method, system and the vehicle of automatic calibration vehicle precipitation rain fall sensor |
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2020
- 2020-11-30 CN CN202011384595.7A patent/CN112649901B/en active Active
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| JP2006098382A (en) * | 2004-09-29 | 2006-04-13 | Miinosu Denshi Kk | Raindrop sensor and raindrop warning device |
| CN204903787U (en) * | 2015-02-03 | 2015-12-23 | 西北大学 | Acid rain - rain sensor and have acid rain - rain sensor's weather station |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114325881A (en) * | 2021-12-15 | 2022-04-12 | 甘肃省气象信息与技术装备保障中心 | Intelligent tipping bucket type rainfall monitoring system and measuring instrument |
| CN114325881B (en) * | 2021-12-15 | 2024-05-31 | 甘肃省气象信息与技术装备保障中心 | Intelligent tipping bucket type rainfall monitoring system and measuring instrument |
| CN114814996A (en) * | 2022-05-06 | 2022-07-29 | 四川远德安防检测设备有限公司 | Self-checking type rain gauge and fault judgment method |
| CN114814996B (en) * | 2022-05-06 | 2024-05-14 | 四川远德安防检测设备有限公司 | Self-checking type rain gauge and fault judging method |
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