CN114675351A - Low-power-consumption wireless rainfall transceiving method - Google Patents
Low-power-consumption wireless rainfall transceiving method Download PDFInfo
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- CN114675351A CN114675351A CN202210318032.0A CN202210318032A CN114675351A CN 114675351 A CN114675351 A CN 114675351A CN 202210318032 A CN202210318032 A CN 202210318032A CN 114675351 A CN114675351 A CN 114675351A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000002452 interceptive effect Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000007958 sleep Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000005059 dormancy Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Computer Networks & Wireless Communication (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A wireless rainfall transceiving method with low power consumption. The invention realizes the interactive cooperation of the transceiver module on software to form accurate synchronization of clocks, and can ensure the communication synchronism of the transceiver module within extremely short working time. The clock synchronization design can realize that the module is in low-power-consumption sleep for most of time (designed to be 2 seconds) and completes data interaction in a very short time (1 millisecond), so that the transceiving module has ultra-low power consumption while ensuring the real-time performance of data. After the wireless receiving module and the wireless transmitting module successfully interact and synchronize the timer, the communication real-time performance can be perfectly guaranteed, meanwhile, the power consumption of the receiving and transmitting module is limited to the lowest state, and the real-time transmission of a switch signal by the tipping bucket rain gauge, the wireless transmitting module, the wireless receiving module and the external collector is guaranteed. The low-power-consumption wireless rainfall transceiving method provided by the invention can meet the real-time performance of rainfall data and the requirement of low power consumption.
Description
Technical Field
The invention belongs to the field of rainfall measurement, relates to a rainfall transceiving method, and particularly relates to a low-power-consumption wireless rainfall transceiving method.
Background
In the field of hydrology industry, a tipping bucket type rain gauge is generally adopted for measuring rainfall, the principle is that the rain gauge receives rainfall, when the tipping bucket in the rain gauge bears the rain to a certain amount, the tipping bucket automatically turns over, and a magnet on the side surface of the tipping bucket drives a reed switch to attract in the turning process, so that a switch signal is output. Switch signal adopts wired connection with gathering between the appearance, and under rain gauge and the condition that gathers the appearance and do not possess the installation together, wired mode can cause the wiring difficulty between the equipment, influences circumstances such as pleasing to the eye. In order to solve the problem, the wireless transceiver module designed at present in the hydrology field usually has the common problems of good real-time performance, high power consumption, low power consumption and poor real-time performance.
The main reason for the common fault is that the transceiver module mainly consumes power when the communication module is in a working state, and in order to achieve smooth transceiving communication, the transceiver module must be in a working state at the same time, but in order to achieve ultra-low power consumption, the transceiver module needs to be in a non-working state for a long time, and the two are contradictory. This creates a product vacancy in the industry that satisfies both real-time and low power consumption. Therefore, based on the vacancy of the products, the wireless rainfall transceiving module with low power consumption is designed, so that the real-time performance of rainfall data can be met, and the requirement of low power consumption can be met.
Disclosure of Invention
1. The technical problem to be solved is as follows:
the existing wireless transceiver module in the hydrology field usually has the double common faults of good real-time performance, high power consumption, low power consumption and poor real-time performance.
2. The technical scheme is as follows:
in order to solve the problems, the invention provides a low-power-consumption wireless rainfall sending method, which uses a wireless transmitting module, wherein a circuit part of the wireless transmitting module is embedded into a plastic sealing box, and an antenna is embedded. The wireless transmitting module circuit comprises a first CPU unit, a battery power supply pack supplies power for the first CPU unit and other units, a switch signal pickup unit and a wireless module unit are respectively connected with the first CPU unit, the switch signal pickup unit is connected with the tipping bucket rain gauge, receives switch signals in real time and sends the switch signals into the first CPU unit, and the first CPU unit sends data to the wireless receiving module through the wireless module unit, wherein the sending method comprises the following steps: the wireless transmitting module is electrified to start working, the wireless transmitting module enters a low-power-consumption dormant state after initialization self-checking, the first CPU unit only starts port interruption and timer interruption, the wireless module unit enters the dormant state, a timer inside the first CPU unit starts 1-3 seconds for timing interruption, the timer interruption is generated to wake up the first CPU unit, the wireless module unit exits the low-power-consumption mode, the wireless module unit is closed to be dormant, the wireless module unit enters a transmitting state, a group of several bytes of interactive data are transmitted, the process is repeated, the first CPU unit enters the low-power-consumption mode, the wireless module unit enters the dormant state, and the cycle is carried out; and a wireless receiving module.
A low-power-consumption wireless rainfall receiving method applies a wireless receiving module, wherein a circuit part of the wireless receiving module is embedded into a plastic sealing box, and an antenna is embedded. The wireless receiving module comprises a second CPU unit, the battery power pack supplies power for the second CPU unit and other units, and the switch signal output unit and the wireless module unit are respectively connected with the second CPU unit. The wireless module unit sends the signal into the second CPU unit after receiving the wireless transmitting module signal, the second CPU unit still sends to the external collector according to the switching signal through the switching signal output unit, the receiving method includes the following steps: the wireless receiving module is electrified to start working, the wireless receiving module enters a low-power-consumption dormant state after initialization self-checking, the second CPU unit enters a low-power-consumption mode, only port interruption and timer interruption are started, the wireless module unit enters the dormant state, a timer inside the second CPU unit starts 1-3 second time counting interruption, the second CPU unit is awakened after the timer interruption occurs, the low-power-consumption mode is exited, the wireless module unit is closed to sleep and enter a receiving state, the duration of the receiving process is ensured to receive data of 2 transmitting periods, if interactive data transmitted by the wireless transmitting module is captured within the duration, a timer counting pointer is reset, a timer counting pointer of the wireless transmitting module is synchronized, after the timer is synchronized, the second CPU unit enters the low-power-consumption mode, the wireless module unit enters the dormant state, and under the condition that the wireless transmitting module does not work, and the interactive data and the synchronous timer cannot be normally captured within the maintenance time, the timer in the second CPU unit starts to carry out timing interruption for 45-75 seconds, the process is repeated once, the interactive data is not captured, the timer in the second CPU unit starts to carry out timing interruption for 8-12 minutes, the process is repeated, the timing interruption for 8-12 minutes is maintained subsequently, and the timing interruption for 1-3 seconds is recovered until the interactive data is captured.
During transmission, the duration of the transmission process is less than 1 millisecond.
During reception, the second CPU unit is awakened 1 ms in advance after the timer interrupt occurs.
The battery power pack is formed by connecting 2 sections of 1.5V five-size dry batteries in series.
The wireless module unit is a 433M communication module.
3. Has the beneficial effects that:
the low-power-consumption wireless rainfall transceiving method provided by the invention can meet the real-time performance of rainfall data and the requirement of low power consumption.
Detailed Description
The present invention will be described in detail with reference to examples.
The working process of the wireless transmitting module in the invention is as follows: the battery power pack supplies power for the first CPU unit and other units, the switch signal pickup unit and the wireless module unit are respectively connected with the first CPU unit, the switch signal pickup unit is connected with the tipping bucket rain gauge, the switch signal is received in real time and sent into the first CPU unit, and the first CPU unit sends data to the wireless receiving module through the wireless module unit.
The working process of the wireless receiving module is as follows: the battery power pack supplies power for the second CPU unit and other units, and the switch signal output unit and the wireless module unit are respectively connected with the second CPU unit. The wireless module unit sends the signal into the second CPU unit after receiving the signal of the wireless transmitting module, and the second CPU unit still sends the signal to the external collector according to the switch signal through the switch signal output unit.
Example 1
A transmission method comprising the steps of: the wireless transmitting module is electrified to start working, the wireless transmitting module enters a low-power-consumption dormant state after initialization self-checking, the first CPU unit enters a low-power-consumption mode, only port interruption and timer interruption are started, and the wireless module unit starts a dormant controlled pin and enters the dormant state. The timer in the first CPU unit starts 2 seconds to count time and interrupt, the timer interrupts to wake up the first CPU unit after occurrence, the first CPU unit exits from the low power consumption mode, the dormancy controlled pin of the wireless module unit is closed, the wireless module unit enters into a transmitting state to transmit a group of several bytes of interactive data, the duration of the transmitting process is less than 1 millisecond, then the process is repeated, the first CPU unit enters into the low power consumption mode, and the wireless module unit enters into the dormancy state to circulate.
Example 2
A receiving method comprises the following steps that a wireless receiving module is electrified to start working, a low-power-consumption dormant state is entered after self-checking of an initial call, a second CPU unit enters a low-power-consumption mode, only port interruption and timer interruption are started, and a 433M wireless module unit starts a dormant controlled pin and enters a dormant state. And starting a timer in the second CPU unit for 2 seconds to count time and interrupt, waking up the second CPU unit in advance for 1 millisecond after the timer interrupt occurs, exiting from the low power consumption mode, closing the dormancy controlled pin of the wireless module unit, and entering a receiving state.
The duration of the receiving process is maintained for 4 seconds, the data of 2 transmitting periods can be received, if the interactive data transmitted by the wireless transmitting module is captured in the 4-second process clock, the counting pointer of the timer is reset, and the counting pointer of the timer of the wireless transmitting module is synchronized. And if the switching signal data is detected in the interactive data, the switching signal data is transmitted to the external collector through the switching signal output port. After the timer is synchronized, the second CPU unit enters a low power consumption mode, and the wireless module unit enters a dormant state. And when the interactive data is not captured in the receiving maintaining state for 4 seconds, starting the internal timer of the second CPU unit for 1 minute for timing interruption, and repeating the process. And when the interactive data is not captured in the receiving and maintaining state for 4 seconds, starting the timer in the second CPU unit for 10 minutes for timing interruption, repeating the process, subsequently maintaining the timing interruption for 10 minutes until the interactive data is captured, and recovering the timing interruption for 2 seconds. The mode can greatly reduce the power consumption of the wireless receiving module under the condition that the wireless transmitting module does not work, ensures that the maximum time delay of the switching signal is controlled within 2 seconds, and completely meets the requirement of collecting the tipping bucket rain gauge.
After the wireless receiving module and the wireless transmitting module successfully interact and synchronize the timer, the communication real-time performance can be perfectly guaranteed, meanwhile, the power consumption of the receiving and transmitting module is limited to the lowest state, and the real-time transmission of a switch signal by the tipping bucket rain gauge, the wireless transmitting module, the wireless receiving module and the external collector is guaranteed.
In one embodiment, the battery power pack is formed by connecting 2 pieces of 1.5V five-size dry batteries in series, has ultra-low power consumption, has the standby average current as low as 15uA, and has the working time as long as 2 years.
In one embodiment, the radio transceiver module circuitry is partially embedded within a plastic capsule, with an antenna embedded. The external interface only has a switch signal input or output interface. The structure is small and compact, and the installation is convenient.
In one embodiment, the radio is a 433M radio, and the 433M radio is low in power consumption for sleep.
The invention realizes the interactive cooperation of the transceiver module on software to form accurate synchronization of clocks, and can ensure the communication synchronism of the transceiver module within extremely short working time. The clock synchronization design can realize that the module is in low-power-consumption sleep for most of time (designed to be 2 seconds) and completes data interaction in a very short time (1 millisecond), so that the transceiving module has ultra-low power consumption while ensuring the real-time performance of data.
Claims (6)
1. A low-power consumption wireless rainfall sending method applies a wireless transmitting module, wherein a circuit part of the wireless transmitting module is embedded in a plastic sealing box, an antenna is embedded, an external interface only has a switch signal input or output interface, the wireless transmitting module circuit comprises a first CPU (Central processing Unit), a battery power supply set supplies power for the first CPU and other units, a switch signal pickup unit and a wireless module unit are respectively connected with the first CPU, the switch signal pickup unit is connected with a tipping bucket rainfall meter, a real-time receiving switch signal is sent into the first CPU, and the first CPU sends data to a wireless receiving module through the wireless module unit; the sending method comprises the following steps: the wireless transmitting module is electrified to start working, the wireless transmitting module enters a low-power-consumption dormant state after initialization self-checking, the first CPU unit only starts port interruption and timer interruption, the wireless module unit enters the dormant state, a timer inside the first CPU unit starts 1-3 seconds for timing interruption, the timer interruption wakes up the first CPU unit after occurrence, the wireless module unit exits the low-power-consumption mode, the wireless module unit is closed to be dormant, the wireless module unit enters a transmitting state, a group of several bytes of interactive data are transmitted, the process is repeated, the first CPU unit enters the low-power-consumption mode, the wireless module unit enters the dormant state, and the process is repeated.
2. A low-power consumption wireless rainfall receiving method, utilize the wireless receiving module, the circuit part of the said wireless receiving module is imbedded in the plastic sealed box, embed the aerial, the external interface only has switch signal input or output interface, the said wireless receiving module includes the second CPU unit, the battery power pack supplies power for second CPU unit and other units, switch signal output unit and wireless module unit connect with second CPU unit separately, send the signal into the second CPU unit after the wireless module unit receives the wireless transmitting module signal, the second CPU unit still transmits to the external collector according to the switch signal through the switch signal output unit, characterized by that; the receiving method comprises the following steps: the wireless receiving module is electrified to start working, the wireless receiving module enters a low-power-consumption dormant state after initialization self-checking, the second CPU unit enters a low-power-consumption mode, only port interruption and timer interruption are started, the wireless module unit enters the dormant state, a timer inside the second CPU unit starts 1-3 second time counting interruption, the second CPU unit is awakened after the timer interruption occurs, the low-power-consumption mode is exited, the wireless module unit is closed to sleep and enter a receiving state, the duration of the receiving process is ensured to receive data of 2 transmitting periods, if interactive data transmitted by the wireless transmitting module is captured within the duration, a timer counting pointer is reset, a timer counting pointer of the wireless transmitting module is synchronized, after the timer is synchronized, the second CPU unit enters the low-power-consumption mode, the wireless module unit enters the dormant state, and under the condition that the wireless transmitting module does not work, and the interactive data and the synchronous timer cannot be captured within the maintenance time, the timer in the second CPU unit starts the 45-75 second timing interruption and repeats the operation once, the interactive data is not captured, the timer in the second CPU unit starts the 8-12 minute timing interruption and repeats the process, the subsequent 8-12 minute timing interruption is maintained, and the 1-3 second timing interruption is recovered until the interactive data is captured.
3. The method of claim 1, wherein: the transmission process duration is less than 1 millisecond.
4. The method of claim 2, wherein: the second CPU unit is awakened 1 ms in advance after the timer interrupt occurs.
5. The method of any one of claims 1 to 4, wherein: the battery power pack is formed by connecting 2 sections of No. 1.5V dry batteries in series.
6. The method of any one of claims 1 to 4, wherein: the wireless module unit is a 433M communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210318032.0A CN114675351B (en) | 2022-03-29 | 2022-03-29 | Low-power consumption wireless rainfall receiving and dispatching method |
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| CN202210318032.0A CN114675351B (en) | 2022-03-29 | 2022-03-29 | Low-power consumption wireless rainfall receiving and dispatching method |
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| CN114675351A true CN114675351A (en) | 2022-06-28 |
| CN114675351B CN114675351B (en) | 2024-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364993A (en) * | 2008-09-09 | 2009-02-11 | 北京时代凌宇科技有限公司 | Method and apparatus for reducing sensor node dormancy power consumption |
| WO2012017407A1 (en) * | 2010-08-04 | 2012-02-09 | The South African Weather Service | Rainfall monitoring apparatus, system and a method of monitoring rainfall |
| CN202870321U (en) * | 2012-10-14 | 2013-04-10 | 肖兰 | Ultralow power digital raingauge |
| CN203385877U (en) * | 2013-08-15 | 2014-01-08 | 东莞市善利水务科技有限公司 | Hyetometer device |
| CN106230514A (en) * | 2016-09-19 | 2016-12-14 | 重庆世纪之光科技实业有限公司 | The optical module of a kind of low-power consumption and the power-economizing method of reduction ammeter optical module power consumption |
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2022
- 2022-03-29 CN CN202210318032.0A patent/CN114675351B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364993A (en) * | 2008-09-09 | 2009-02-11 | 北京时代凌宇科技有限公司 | Method and apparatus for reducing sensor node dormancy power consumption |
| WO2012017407A1 (en) * | 2010-08-04 | 2012-02-09 | The South African Weather Service | Rainfall monitoring apparatus, system and a method of monitoring rainfall |
| CN202870321U (en) * | 2012-10-14 | 2013-04-10 | 肖兰 | Ultralow power digital raingauge |
| CN203385877U (en) * | 2013-08-15 | 2014-01-08 | 东莞市善利水务科技有限公司 | Hyetometer device |
| CN106230514A (en) * | 2016-09-19 | 2016-12-14 | 重庆世纪之光科技实业有限公司 | The optical module of a kind of low-power consumption and the power-economizing method of reduction ammeter optical module power consumption |
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| CN114675351B (en) | 2024-03-15 |
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