CN104570162A - Intelligent wireless monitoring terminal and monitoring method for rainfall - Google Patents
Intelligent wireless monitoring terminal and monitoring method for rainfall Download PDFInfo
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- CN104570162A CN104570162A CN201410778099.8A CN201410778099A CN104570162A CN 104570162 A CN104570162 A CN 104570162A CN 201410778099 A CN201410778099 A CN 201410778099A CN 104570162 A CN104570162 A CN 104570162A
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- rainfall
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- control module
- reed relay
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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
Abstract
The invention discloses an intelligent wireless monitoring terminal for rainfall. The intelligent wireless monitoring terminal is characterized by comprising a control module, and a rainfall measurement module, an off-chip data storage module, a wireless communication module, a power supply module and a human-machine interface which are connected with the control module. According to the monitoring terminal and the monitoring method which are disclosed by the invention, self power supplying can be realized, and remote data transmission and working parameter configuration are supported; the automation level is higher.
Description
Technical field
The present invention relates to weather monitoring field, particularly a kind of intelligent radio monitoring terminal of rainfall and monitoring method.
Background technology
Rainfall amount is an important climate parameter, all significant to agricultural production, environmental protection, flood control and prevention disaster.Traditional rainfall monitoring equipment cost is higher, does not utilize any wide-area deployment; Do not possess self-powered, do not support remote data transmission and running parameter configuration, automatization level has much room for improvement.
Therefore, be necessary to provide a kind of new rainfall monitoring equipment, method to meet the demand of people.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, a kind of intelligent radio monitoring terminal of rainfall is provided.
Another object of the present invention is to the intelligent radio monitoring method that a kind of rainfall is provided.
Object of the present invention is realized by following technical scheme:
An intelligent radio monitoring terminal for rainfall, comprises control module, and the rainfall measurement module be connected with control module respectively, sheet data memory module, wireless communication module, supply module, man-machine interface outward.
Described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator.The frequency of high-frequency crystal oscillator is 4MHz, and the frequency of low frequency crystal oscillator is 32768Hz; Low frequency crystal oscillator is as the clock source of ACLK and real-time clock RTC, and high-frequency crystal oscillator is as MCLK and SMCLK clock source.In order to realize low power operation, single-chip microcomputer is operated in Active and LPM3 two kinds of patterns, realizes the detection to rainfall, calculating, storage, radio communication and energy management functionality.
Described rainfall measurement module, comprise dry-reed relay, rainfall measurement tipping bucket, wherein the permanent magnet of dry-reed relay is arranged on rainfall measurement tipping bucket, and dry-reed relay one end connects feed circuit, the other end connects charge-discharge circuit, the pin of charge-discharge circuit link control module.Rainfall measurement tipping bucket motion when raining, rainfall measurement tipping bucket drives permanent magnet motion, thus dry-reed relay is closed or disconnects: when dry-reed relay closes, charge-discharge circuit charges, when pin voltage rises to its logic high, control module obtains dry-reed relay closure signal; When dry-reed relay disconnects, charge-discharge circuit discharges, and when pin voltage drops to its logic low, control module obtains dry-reed relay cut-off signal; Control module obtains duty and the tipping bucket number of times of rainfall measurement tipping bucket thus, calculates rainfall thus.
Described feed circuit comprise VDD power supply, resistance R301, a termination VDD power supply of resistance R301, another termination dry-reed relay; Described charge-discharge circuit, comprises resistance R302, electric capacity C301, one end earth of resistance R302, electric capacity C301, and other end parallel connection connects the pin of dry-reed relay, control module simultaneously.
The outer data memory module of described sheet is Flash memory chip SST25VF080B.Low in energy consumption and the data realizing 1MB of Flash memory chip SST25VF080B store, and control module, by the switch of the outer data memory module working power of triode S9012 control strip, only just powers on when accessing storer.
Described radio communication circuit, comprises the RS232 chip SP3220E and wireless communication module TC35 that are linked in sequence.Control module controls the power supply of radio communication circuit by electronic switch FDT434P, when needs carry out radio communication, control module powers on to wireless communication module, after radio communication mold initialization block completes, after realization and the wireless data of data center send and receive, closing module is also cut off the electricity supply, and communication adopts the minimum short message mechanism of wireless network requirements.
Described supply module, comprise the solar panel, lithium battery charging circuit, lithium battery, the LDO circuit that are linked in sequence, wherein lithium battery is also connected with radio communication circuit, and LDO circuit is connected with rainfall measurement module, the outer data memory module of sheet, man-machine interface respectively.
Another object of the present invention is realized by following technical scheme:
An intelligent radio monitoring method for rainfall, comprises the step of following order:
S1. rainfall measurement tipping bucket moves when rainy, and the permanent magnet be arranged on rainfall measurement tipping bucket moves thereupon, and the permanent magnet as a dry-reed relay part drives dry-reed relay switch or closed;
S2. when dry-reed relay closes, charge-discharge circuit charges, and when pin voltage rises to its logic high, control module obtains dry-reed relay closure signal; When dry-reed relay disconnects, charge-discharge circuit discharges, and when pin voltage drops to its logic low, control module obtains dry-reed relay cut-off signal; Control module obtains duty and the tipping bucket number of times of rainfall measurement tipping bucket thus, calculates rainfall thus;
S3. the data that control module generates are stored in local storage, and by radio communication circuit, data are sent to data center; Local storage is the outer flash storage of FRAM or sheet in single chip microcomputer, and when making after on sheet, FRAM storage space is filled with data because of communication failure, new data, stored in the outer flash storage of sheet, guarantees that data are not lost.
In step S2, described charge-discharge circuit, comprises resistance R302, electric capacity C301, one end earth of resistance R302, electric capacity C301, and other end parallel connection connects the pin of dry-reed relay, control module simultaneously.
Described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
(1) adopt solar electrical energy generation and lithium battery accumulate, do not need external power supply, adopt Wireless Data Transmission, facilitate field to install and dispose.
(2) adopt this locality to store and remote data transmission, local storage adopts FRAM and Flash two-stage data memory structure, realizes low-power consumption and mass data storage simultaneously.
(3) have man-machine interface simple to operate, simultaneously data center also can the running parameter of Remote configuration rainfall monitoring terminal, and running parameter is kept in the inner FRAM of single-chip microcomputer, takes full advantage of the Resources on Chip of single-chip microcomputer, has very high cost performance.
(4) employing requires low short message communication mechanism to public wireless network, be applicable to all kinds of public wireless network, short-message protocol basis devises data sentence form and communication confirming mechanism, ensure that the reliability of communication, the method is widely applicable, operation cost is low, is conducive to promoting and large area deployment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent radio monitoring terminal of a kind of rainfall of the present invention;
Fig. 2 is the circuit diagram of the feed circuit of monitoring terminal described in Fig. 1;
First circuit diagram of the rainfall measurement module that Fig. 3 is monitoring terminal described in Fig. 1;
The second circuit figure of the rainfall measurement module that Fig. 4 is monitoring terminal described in Fig. 1;
Fig. 5 is the main program flow chart of the intelligent radio monitoring method of a kind of rainfall of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As Fig. 1, a kind of intelligent radio monitoring terminal of rainfall, comprises control module, and the rainfall measurement module be connected with control module respectively, sheet data memory module, wireless communication module, supply module, man-machine interface outward; Wherein
Described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator; The frequency of high-frequency crystal oscillator is 4MHz, and the frequency of low frequency crystal oscillator is 32768Hz; Low frequency crystal oscillator is as the clock source of ACLK and real-time clock RTC, and high-frequency crystal oscillator is as MCLK and SMCLK clock source.In order to realize low power operation, single-chip microcomputer is operated in Active and LPM3 two kinds of patterns, realizes the detection to rainfall, calculating, storage, radio communication and energy management functionality;
Described feed circuit, as Fig. 2, comprise solar panel U201, lithium battery charging circuit U202, lithium battery U203 and LDO circuit U 204.Solar panel U201 employing open-circuit voltage is 10.8V, peak power is the monocrystaline silicon solar cell of 10W; Lithium battery charging circuit U202 adopts the lithium cell charging chip bq24650 having solar maximum power and control, the output power storage of solar cell in lithium battery; Lithium battery U203 adopts the ter-polymers lithium battery that capacity is 6.6Ah, nominal voltage is 3.7V.The output voltage VCC of lithium battery powers directly to radio communication circuit, and the VDD that lithium battery also obtains 3.3V by LDO circuit U 204 simultaneously powers to other circuit, and LDO adopts the MCP1700 of low quiescent current.
Described rainfall measurement module, as Fig. 3, comprises dry-reed relay, rainfall measurement tipping bucket, wherein the permanent magnet of dry-reed relay is arranged on rainfall measurement tipping bucket, dry-reed relay one end connects feed circuit, and the other end connects charge-discharge circuit, the pin of charge-discharge circuit link control module; Rainfall measurement tipping bucket motion when raining, rainfall measurement tipping bucket drives permanent magnet motion, thus dry-reed relay is closed or disconnects: when dry-reed relay closes, charge-discharge circuit charges, when pin voltage rises to its logic high, control module obtains dry-reed relay closure signal; When dry-reed relay disconnects, charge-discharge circuit discharges, and when pin voltage drops to its logic low, control module obtains dry-reed relay cut-off signal; Control module obtains duty and the tipping bucket number of times of rainfall measurement tipping bucket thus, calculates rainfall thus;
A rainfall gathering-device has two tipping buckets, lay respectively at the both sides of support, two identical circuit are adopted to measure, namely the first circuit shown in Fig. 3 and the second circuit shown in Fig. 4, but the input and output of these two circuit are different, input connection bracket two Catherine wheel is corresponding respectively dry-reed relay SW301, SW302 of first circuit, second circuit, and export I/O pin P1.0, P1.1 that connection single-chip microcomputer two is different respectively.As Fig. 3,4, specifically, rainfall measurement module work power supply is the VDD of 3.3V, and circuit exports P1.0, P1.1 pin connecing single-chip microcomputer, and pin is set as input service mode.In circuit, resistance R301 and R303 gets 100k Ω, and resistance R302 and R303 gets 1M Ω, and electric capacity C301 and C302 gets 1nF, SW301 and SW302 is dry-reed relay.For the first circuit, the permanent magnet part of dry-reed relay is arranged on rainfall measurement tipping bucket, when rainfall makes measurement tipping bucket move, drives permanent magnet motion dry-reed relay is closed or disconnects.When dry-reed relay closes, power vd D is by resistance R301 and resistance R302 dividing potential drop and charge to electric capacity C301, when the voltage rise of P1.0 pin is to its logic high, and single-chip microcomputer acquisition dry-reed relay closure signal; When dry-reed relay disconnects, electric capacity C301 is discharged by resistance R302, and when pin P1.0 voltage drop is to its logic low, single-chip microcomputer obtains dry-reed relay cut-off signal; Single-chip microcomputer thus obtain duty and the tipping bucket number of times of rainfall measurement tipping bucket, calculates rainfall thus.The course of work of second circuit is identical with the first circuit.
The outer data memory module of described sheet is Flash memory chip SST25VF080B.Low in energy consumption and the data realizing 1MB of Flash memory chip SST25VF080B store, and control module, by the switch of the outer data memory module working power of triode S9012 control strip, only just powers on when accessing storer.
Described radio communication circuit, comprises the RS232 chip SP3220E and wireless communication module TC35 that are linked in sequence.Control module controls the power supply of radio communication circuit by electronic switch FDT434P, when needs carry out radio communication, control module powers on to wireless communication module, after radio communication mold initialization block completes, after realization and the wireless data of data center send and receive, closing module is also cut off the electricity supply, and communication adopts the minimum short message mechanism of wireless network requirements.
Short message data form is in table 1.Short message adopts ASCII character, and each short message is made up of 1 or several sentence, but total length is less than 160 characters.In short message, sentence is by first symbol (1 byte, be fixed as ' $ '), sentence numbering (2 byte), function code (1 byte), data content (having different length according to function code), check code (2 byte) and end code (1 byte is fixed as ' # ').Sentence numbering is numbered this sentence, each dialogue adopts different numberings, number the numeral from ASCII character and letter selection, every employing ' 0 ' to ' 9 ', ' A ' to ' Z ' and ' a ' to ' z ' carry out order arrangement and carry, as from after after ' 09 ' being ' 0A ', ' 0Z ' for being ' 10 ' after ' 0a ', ' 0z ', ' 00 ' is returned after ' zz ', always there are 3844 numberings, can ensure that the sentence numbering of some months does not repeat, in practical communication, there is uniqueness.
Table 1
| First symbol | Sentence is numbered | Function code | Data content | Check code | End mark |
| 1 byte | 2 bytes | 1 byte | N byte | 2 bytes | 1 byte |
Function code represents this function, table 2 is the data content of the rainfall sentence from rainfall monitoring terminal to data center, be respectively date 6 byte (as 140809 represent on August 9th, 2014), time period 13 byte (as 120400-140505 represents section between 12: 4: 0 to 14: 5: 5) and 5 byte rainfall (unit is millimeter/sky, and the rainfall amount as 22.35 expression aforesaid intervals is 22.35 millimeters/day).Check code is the ASCII character of the XOR of numbering the character of data content from sentence, if the check code that take over party receives equals the ASCII character of this aforesaid XOR code, then thinks that this content is correct, otherwise mistake, need to retransmit.
Table 2
| Date (6 byte) | Time period (13 byte) | Rainfall (5 byte) |
| Date | Hour Minute Second-Hour Minute Second | xxxxx |
Described supply module, comprise the solar panel, lithium battery charging circuit, lithium battery, the LDO circuit that are linked in sequence, wherein lithium battery is also connected with radio communication circuit, and LDO circuit is connected with rainfall measurement module, the outer data memory module of sheet, man-machine interface respectively.
Described man-machine interface comprises one piece of 16 × 2LCD display and 4 buttons, and LCD adopts LMB162ADC-2.4 buttons are respectively " menu " button, " increase " button, " minimizing " button and " entering " button.LCD display is in closed condition at ordinary times, after pressing " menu " button, single-chip microcomputer is just opened LCD power supply by electronic switch FDT434P and is opened LCD display, enter measurement data to browse and running parameter configuration status, when pressing without key more than 15 seconds, then LCD enters closed condition again, and cuts off LCD power supply.When LCD is in opening, adopt the menu-operating method of similar domestic TV set remote-controller, select measurement data to browse by " increase " button and " minimizing " button to configure with running parameter, enter next stage menu by " entering " button, return previous menu by " menu " button; When being in the optimum configurations of afterbody menu, by " increase " button and " minimizing " button amendment parameter, preserving in parameter to single chip microcomputer in FRAM by " entering " button, then returning Previous Menu by " menu ", carrying out other operation.
An intelligent radio monitoring method for rainfall, comprises the step of following order:
S1. rainfall measurement tipping bucket moves when rainy, and the permanent magnet be arranged on rainfall measurement tipping bucket moves thereupon, and the permanent magnet as a dry-reed relay part drives dry-reed relay switch or closed;
S2. when dry-reed relay closes, charge-discharge circuit charges, and when pin voltage rises to its logic high, control module obtains dry-reed relay closure signal; When dry-reed relay disconnects, charge-discharge circuit discharges, and when pin voltage drops to its logic low, control module obtains dry-reed relay cut-off signal; Control module obtains duty and the tipping bucket number of times of rainfall measurement tipping bucket thus, calculates rainfall thus;
S3. the data that control module generates are stored in local storage, and by radio communication circuit, data are sent to data center; Local storage is the outer flash storage of FRAM or sheet in single chip microcomputer, and when making after on sheet, FRAM storage space is filled with data because of communication failure, new data, stored in the outer flash storage of sheet, guarantees that data are not lost.
In step S2, described charge-discharge circuit, comprises resistance R302, electric capacity C301, one end earth of resistance R302, electric capacity C301, and other end parallel connection connects the pin of dry-reed relay, control module simultaneously.
Described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator.
As Fig. 5, the software section of single-chip microcomputer has interrupt routine and master routine, and the RTC that interrupt routine is respectively 1 minute interval interrupts, rainfall detection I/O interrupts and " menu " keys interrupt.RTC interrupts, only for waking single-chip microcomputer up, not carrying out any operation in interrupt routine, and the corresponding task relevant with timing completes in master routine.Rainfall detection I/O interrupt wake single-chip microcomputer up, complete I/O level read and be ON rainfall measurement status indication, tipping bucket counting and rainfall calculating complete in master routine." menu " keys interrupt wakes single-chip microcomputer up, arranges LCD state is ON state, and expression can carry out browsing data and running parameter configuration, and other man-machine interface process completes in master routine.Specific as follows:
Step S601, first carry out peripheral hardware initialization after single-chip microcomputer powers on, configuration RTC is spaced apart 1 minute break period, starts RTC, configuration P1.0 and P1.1 is that input pattern and rising edge interrupt, and configuration " menu " button (meeting the P1.2 of single-chip microcomputer) is rising edge interruption.
Step S602, read work parameter from the FRAM of single-chip microcomputer also completes configuration, comprises communication cycle, measuring period and rainfall alarming value etc.
Step S603 completes man-machine interface process, first " menu " keys interrupt is closed, " menu " button is as general keystroke handling, open LCD power supply, after operator completes browsing data and parameter configuration, if 15 seconds without button operation, then LCD state is set and is OFF state, closes LCD power supply and open " menu " keys interrupt, wait for next time and interrupt occurring.
Step S604 completes rainfall detection process, first carry out pass to interrupt, and the logic level of P1.0 and P1.1 is repeatedly read according to 5 ms intervals, after its logic level is stable, the logic level stable according to last time and this stable logic level carry out rainfall counting, record this rainfall measurement time simultaneously; The real-time rainfall amount of this period can be calculated according to Measuring Time and measured value, the rainfall amount of measuring period can be calculated according to these real-time rainfall amounts and judge alarm condition, and rainfall amount and alarming value to be kept on sheet in FRAM tables of data, if because communication can not send data and not vacate storage space in FRAM, then related data is kept in the flash storage outside sheet, wait to be communicated normal after again data are transmitted as data center; After completing rainfall measurement process, rainfall measurement status indication is OFF, opens rainfall detection I/O and interrupts, and waits for that next time interrupts.
Step S605 single-chip microcomputer completes the detection of cell voltage by ADC on its sheet, when electricity is not enough, stops radio communication, dump energy is used for rainfall measurement, carry out radio communication again after waiting for electricity abundance.
Step S606 completes communication process, if communication cycle to or have alarm condition need to data center send data, and during electric quantity of lithium battery foot, then realize the power supply of open communication circuit, mark communications status is ON, wait for that radio communication mold initialization block completes, then data are sent according to the short message data form of definition, the answer and the possible running parameter that receive data center are arranged simultaneously, and complete rainfall monitoring terminal pair time, when communication completes, turn off telecommunication circuit power supply, mark communications status is OFF.
Whether the work that step S607 detects S603 ~ S606 module all completes, and comprises that LCD state is OFF, rainfall measurement status indication is OFF and mark communications status is OFF, all completes, enters S608, otherwise return S603.
S608 completes single-chip microcomputer and enters LMP3 low-power consumption mode, waits to be interrupted waking up.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. an intelligent radio monitoring terminal for rainfall, is characterized in that: comprise control module, and the rainfall measurement module be connected with control module respectively, sheet data memory module, wireless communication module, supply module, man-machine interface outward.
2. the intelligent radio monitoring terminal of rainfall according to claim 1, is characterized in that: described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator.
3. the intelligent radio monitoring terminal of rainfall according to claim 1, it is characterized in that: described rainfall measurement module, comprise dry-reed relay, rainfall measurement tipping bucket, wherein the permanent magnet of dry-reed relay is arranged on rainfall measurement tipping bucket, dry-reed relay one end connects feed circuit, the other end connects charge-discharge circuit, the pin of charge-discharge circuit link control module.
4. the intelligent radio monitoring terminal of rainfall according to claim 1, is characterized in that: described feed circuit comprise VDD power supply, resistance R301, a termination VDD power supply of resistance R301, another termination dry-reed relay; Described charge-discharge circuit, comprises resistance R302, electric capacity C301, one end earth of resistance R302, electric capacity C301, and other end parallel connection connects the pin of dry-reed relay, control module simultaneously.
5. the intelligent radio monitoring terminal of rainfall according to claim 1, is characterized in that: the outer data memory module of described sheet is Flash memory chip SST25VF080B.
6. the intelligent radio monitoring terminal of rainfall according to claim 1, is characterized in that: described radio communication circuit, comprises the RS232 chip SP3220E and wireless communication module TC35 that are linked in sequence.
7. the intelligent radio monitoring terminal of rainfall according to claim 6, it is characterized in that: described supply module, comprise the solar panel, lithium battery charging circuit, lithium battery, the LDO circuit that are linked in sequence, wherein lithium battery is also connected with radio communication circuit, and LDO circuit is connected with rainfall measurement module, the outer data memory module of sheet, man-machine interface respectively.
8. an intelligent radio monitoring method for rainfall, comprises the step of following order:
S1. rainfall measurement tipping bucket moves when rainy, and the permanent magnet be arranged on rainfall measurement tipping bucket moves thereupon, and the permanent magnet as a dry-reed relay part drives dry-reed relay switch or closed;
S2. when dry-reed relay closes, charge-discharge circuit charges, and when pin voltage rises to its logic high, control module obtains dry-reed relay closure signal; When dry-reed relay disconnects, charge-discharge circuit discharges, and when pin voltage drops to its logic low, control module obtains dry-reed relay cut-off signal; Control module obtains duty and the tipping bucket number of times of rainfall measurement tipping bucket thus, calculates rainfall thus;
S3. the data that control module generates are stored in local storage, and by radio communication circuit, data are sent to data center; Local storage is the outer flash storage of FRAM or sheet in single chip microcomputer, and when making after on sheet, FRAM storage space is filled with data because of communication failure, new data, stored in the outer flash storage of sheet, guarantees that data are not lost.
9. the intelligent radio monitoring method of rainfall according to claim 8, it is characterized in that: in step S2, described charge-discharge circuit, comprise resistance R302, electric capacity C301, one end earth of resistance R302, electric capacity C301, other end parallel connection connects the pin of dry-reed relay, control module simultaneously.
10. the intelligent radio monitoring method of rainfall according to claim 8, is characterized in that: described control module is the single-chip microcomputer MSP430FR5869 of external high-frequency crystal oscillator, low frequency crystal oscillator.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105929467A (en) * | 2016-04-18 | 2016-09-07 | 北京林业大学 | Real-time rainfall measurement sensing network system based on tipping bucket rain gauge |
| CN109343157A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of accurate remote rain amount terminal |
| CN109343158A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of anti-rainfall is failed to report and more datagram-style telemetering terminals |
| CN110632682A (en) * | 2019-09-17 | 2019-12-31 | 昆明理工大学 | Intelligent rainfall information detection device and method |
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| CN204515169U (en) * | 2014-12-15 | 2015-07-29 | 华南理工大学 | A kind of intelligent radio monitoring terminal of rainfall |
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| CN109343158A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of anti-rainfall is failed to report and more datagram-style telemetering terminals |
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| CN110632682A (en) * | 2019-09-17 | 2019-12-31 | 昆明理工大学 | Intelligent rainfall information detection device and method |
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| CN104570162B (en) | 2017-08-25 |
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