CN104949728A - Special hydrological remote measurement terminal prevented from running away in long period - Google Patents
Special hydrological remote measurement terminal prevented from running away in long period Download PDFInfo
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- CN104949728A CN104949728A CN201510339095.4A CN201510339095A CN104949728A CN 104949728 A CN104949728 A CN 104949728A CN 201510339095 A CN201510339095 A CN 201510339095A CN 104949728 A CN104949728 A CN 104949728A
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Abstract
The invention relates to a special hydrological remote measurement terminal prevented from running away in a long period. The terminal is composed of a wireless GPRS/SMS communication circuit, a solar charging and discharging circuit, a water level collection circuit, a long-period running-away preventing circuit and an ultra-low power consumption CPU circuit. The ultra-low power consumption CPU circuit and the wireless GPRS/SMS communication circuit input signals to each other, the water level collection circuit outputs signals to the ultra-low power consumption CPU circuit, the ultra-low power consumption CPU circuit and the solar charging and discharging circuit input signals to each other, and the ultra-low power consumption CPU circuit and the long-period running-away preventing circuit input signals to each other. The special hydrological remote measurement terminal has the advantage of being capable of reliably working and running for a long time under the bad and harsh field environment such as high and low environment, vibration, weak wireless signals and thunder and lightning interference.
Description
Technical field
The present invention relates to the anti-race of a kind of long period and fly the special telemetering terminal of hydrological industry, be particularly a kind ofly applied to unmanned, the anti-race of long period of highly reliable communication flies the special telemetering terminal of the hydrology.
Background technology
Central authorities' water conservancy working conference proposes, outstanding construction of strengthening weak links.Accelerate mountain flood prevention, accelerate drought resisting water source and build, improve urban flood defence water drainage ability comprehensively, improve on the whole and resist flood capability and qualification.Substantially the outstanding problem of mountain flood and geological disaster control is solved with 5 years.
" the national middle and small river hydrologic monitoring system Construction planning " of current State Council reply, the middle and small river hydrology is improved in requirement, the reconstruction of water level rainfall monitoring website is attached most importance to, be aided with the necessary comprehensive construction of water information sub-center, improve hydrographic information monitoring capability and mountain torrents early-warning and predicting ability, the watermark protocol for middle and small river is prevented and reduced natural disasters and is provided decision-making foundation.
Have above background to find out, research and develop highly reliable hydrological telemetering terminal very urgent!
The special telemetry terminal system function of the hydrology receives the output signal from water level acquisition circuit, according to certain format record stores processor, and send GPRS/SMS data according to transmission grade, for far-end monitoring center judgement water level conditions now.
The special telemetering terminal of the hydrology mainly achieves the timing acquiring to water level, and by public network wireless GPRS/SMS network channel, sends relevant information; It sends timing message by active, makes the terminating machine duty of monitoring center to existing ground have a cognition, adds when water level reported and submitted by needs breath of notifying.The special telemetering terminal work of the hydrology in the hibernation mode, when being timed to, can wake the special telemetering terminal work of the hydrology up, gathers water level information.When the luffing numerical value of water level reaches transmission threshold time, can start and send GPRS/SMS program; Can be formed simultaneously and last record, be stored in the nonvolatile memory device of power down, and then reach the basic function requirement of device.
When stating function in realization, on the special telemetering terminal of the hydrology in the market hardware doing data transmit circuit, device anti-race is when flying processing of circuit, usually in the following ways:
1, the transmission processing of single channel is adopted time device order circuit sends data.
2, device does not adopt anti-race to fly special circuit or does not adopt the anti-race of long period to fly special circuit.
This several way choice same is also along with having occurred corresponding problem:
1, data message can not be sent reliably, particularly be less than when 15 at wireless signal strength.
2, the special circuit that flies of not anti-race, when device voltage instability (comprising/powering-off state), temperature anomaly and program exception, the crash probability of (exception) of device is larger.
3, the special circuit owing to not having the anti-race of long period to fly, in dormancy period, (6 minutes) need repeatedly to wake CPU up, process anti-race and fly circuit, make it overflow, and there will be CPU like this and wake up for many times, can not effectively reduce power consumption.
Note: 6 minute cycle was the requirement that hydrological industry gathers water level.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of terminating machine being applied to hydrologic monitoring, and super low-power consumption, transmission data are reliable, the novel telemetering terminal that device is reliable and stable.
The technical solution adopted in the present invention is: by wireless GPRS/SMS communicating circuit, solar charging/discharging circuit, water level acquisition circuit, the anti-race of long period flies circuit, super low-power consumption cpu circuit is formed, wherein super low-power consumption cpu circuit and wireless GPRS/SMS communicating circuit have input mutually, water level acquisition circuit outputs to super low-power consumption cpu circuit, super low-power consumption cpu circuit and solar charging/discharging circuit have input mutually, super low-power consumption cpu circuit and the anti-race of long period fly circuit has input mutually, the anti-race of its long period flies electric router chip U1, resistance R1, R2, R3, R4, R5 forms, single-chip microcomputer signal control inputs WDI is input to 1 pin of U1, first resistance R1 is pulled upward on VCC network simultaneously, the control single chip computer signal 2 pin OUT of U1 outputs to single-chip microcomputer, second resistance R2 is pulled upward on VCC network simultaneously, 5 pin of U1 circuit are connected with the 3rd resistance R3, the 3rd resistance R3 other end is connected with 3 pin of U1 circuit, all receive on this network of GND, 4 pin of U1 circuit connect on VCC power supply, 5th resistance R5 mono-termination VCC, 6 pin of another termination U1, 5th resistance is connected with the 4th resistance R4 simultaneously, on another termination GND network of 4th resistance R4.
The invention has the beneficial effects as follows: the present invention, by adopting wireless main channel GPRS and standby channel SMS, improves the reliability of supervision greatly to communication, can facilitate simultaneously and check situation whenever and wherever possible, and reduce the cost of communication.Flying circuit by adopting long period anti-race to avoid deadlock (exception) phenomenon that, temperature anomaly unstable at supply voltage and program exception cause, avoid and need repeatedly to wake CPU up in the dormancy period of device, reaching the object of reduction power consumption further.The great achievement of native system current collection Force system, electronic technology, robotization, wireless telecommunications, mimic channel utilization, with electronic technology and network technology for relying on, in the face of the overall Design and optimization function of system and simplification system, realize OO thought with dispersion, distributed frame.Can under badly harsh field environment (as weak in high/low temperature, vibrations, wireless signal, thunder and lightning interference etc.) work operation stably in a long term.
Accompanying drawing explanation
Fig. 1 is principle of products frame diagram of the present invention;
Fig. 2 is wireless GPRS/SMS communicating circuit figure;
Fig. 3 is that the anti-race of long period flies special circuit figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, the anti-race of long period flies the special telemetering terminal of the hydrology, by wireless GPRS/SMS communicating circuit, solar charging/discharging circuit, water level acquisition circuit, the anti-race of long period flies circuit, super low-power consumption cpu circuit is formed, and wherein super low-power consumption cpu circuit and wireless GPRS/SMS communicating circuit have mutually input, water level acquisition circuit outputs to super low-power consumption cpu circuit, super low-power consumption cpu circuit and solar charging/discharging circuit have mutually input, super low-power consumption cpu circuit and the anti-race of long period to fly circuit has input mutually.
As shown in Figure 3, the anti-race of its long period flies electric router chip U1, resistance R1, R2, R3, R4, R5 forms, U1 model is LTC69965, single-chip microcomputer signal control inputs WDI is input to 1 pin of U1, first resistance R1 is pulled upward on VCC network simultaneously, the control single chip computer signal 2 pin OUT of U1 outputs to single-chip microcomputer, second resistance R2 is pulled upward on VCC network simultaneously, 5 pin of U1 circuit are connected with the 3rd resistance R3, the 3rd resistance R3 other end is connected with 3 pin of U1 circuit, all receive on this network of GND, 4 pin of U1 circuit connect on VCC power supply, 5th resistance R5 mono-termination VCC, 6 pin of another termination U1, 5th resistance is connected with the 4th resistance R4 simultaneously, on another termination GND network of 4th resistance R4.
Wireless GPRS/SMS communicating circuit adopts the logical company module of core news, 232 electric level interface chips adopt Texas Instruments 232 special chip, the anti-race of long period flies main circuit chip and adopts Linear Tech's chip, and super low-power consumption cpu circuit master chip adopts the PIC24F family chip of Wei Xin company.
The present invention can be applicable to a kind of special telemetering terminal of hydrological industry.This programme increases use main channel GPRS and standby channel SMS circuit, enhance the insecure drawback of wireless telecommunications, after Texas Instruments 232 chip level conversion, control the wireless SIM900A communication module that core news are logical, realize whenever and wherever possible reliably transmission mode.Long period anti-program fleet circuit adopts Linear Tech anti-race to fly special circuit, prevents that installation's power source is unstable, deadlock (exception) phenomenon that temperature anomaly and program fleet cause and effectively reduce the power consumption of complete machine.
1, wireless GPRS/SMS communication
Like product in the market adopts single communication modes usually when the transmission of process data.Owing to being wireless signal, the weak situation of signal intensity must be there is in it, and in signal intensity being less than when 15, just can not guarantee the GPRS transmitting of 100%, during this time, increase and less SMS (note) mode is required to signal intensity, can greatly increase the reliable of transmission.
Wiring diagram is as Fig. 2, and each pin definitions of chip is as follows:
VCC: signal power source just
RXD: receive data
TXD: send data
DTR: DTR
VSS: signal power source ground
RING: ring indicates
SIM900A wireless communication module is a small size (business card size) being applicable to industrial environment and using, and high performance-price ratio, supports Chinese short message breath.Super low-power consumption cpu circuit can realize the transmitting-receiving of data GPRS and SMS (note) after connecting the logical module of core news by serial line interface level transferring chip by AT instruction.
2, the anti-race of long period flies circuit
Fig. 3 is that the anti-race of long period increased flies circuit.Fig. 3 principle of work is:
Long period anti-race chikung energy: after 1 pin of U1 was at interval of 6 minutes, need by XOR (being exactly now present status negate) once, otherwise, can in 2 pin output low levels, reset single-chip microcomputer, this function is used as anti-race chikung energy.Be exactly specifically: single-chip microcomputer is when normal operating conditions, in 6 minutes, 1 pin of the autotelic XOR U1 of meeting once, if less than XOR in 6 minutes once, then read-me runs to an endless loop, or crash, at this time the 2 pin OUT of U1 can automatic output low level reset single-chip microcomputer, makes the normal track of program recovery.
Long period: by regulating the 4th resistance R4, the 5th R5 resistance, can regulate this cycle exported of OUT.Maximum can to the output cycle of 572 minutes.Meet the timing cycle of 6 minutes.
The anti-race of long period after improvement flies reliability that the special telemetering terminal of the hydrology sends in communication and equipment low power capabilities have had significantly to improve.Solve the special telemetering terminal of the hydrology in the inferior reliability of the abnormal factorses such as power supply, reduce unnecessary the waking up of CPU simultaneously, reduce power consumption, by main GPRS, standby SMS two kinds of channels for subsequent use, substantially increase the reliability of communication.
Claims (1)
1. the anti-race of long period flies the special telemetering terminal of the hydrology, by wireless GPRS/SMS communicating circuit, solar charging/discharging circuit, water level acquisition circuit, the anti-race of long period flies circuit, super low-power consumption cpu circuit is formed, wherein super low-power consumption cpu circuit and wireless GPRS/SMS communicating circuit have input mutually, water level acquisition circuit outputs to super low-power consumption cpu circuit, super low-power consumption cpu circuit and solar charging/discharging circuit have input mutually, super low-power consumption cpu circuit and the anti-race of long period fly circuit has input mutually, it is characterized in that: the anti-race of its long period flies electric router chip U1, resistance R1, R2, R3, R4, R5 forms, single-chip microcomputer signal control inputs WDI is input to 1 pin of U1, first resistance R1 is pulled upward on VCC network simultaneously, the control single chip computer signal 2 pin OUT of U1 outputs to single-chip microcomputer, second resistance R2 is pulled upward on VCC network simultaneously, 5 pin of U1 circuit are connected with the 3rd resistance R3, the 3rd resistance R3 other end is connected with 3 pin of U1 circuit, all receive on this network of GND, 4 pin of U1 circuit connect on VCC power supply, 5th resistance R5 mono-termination VCC, 6 pin of another termination U1, 5th resistance is connected with the 4th resistance R4 simultaneously, on another termination GND network of 4th resistance R4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339095.4A CN104949728B (en) | 2015-06-12 | Anti- run of long period flies the special telemetering terminal of the hydrology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339095.4A CN104949728B (en) | 2015-06-12 | Anti- run of long period flies the special telemetering terminal of the hydrology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104949728A true CN104949728A (en) | 2015-09-30 |
| CN104949728B CN104949728B (en) | 2018-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540108A (en) * | 2018-12-26 | 2019-03-29 | 江苏嘉禾环境科技有限公司 | One kind integrating multi-platform real-time online water regime monitoring system |
| CN110207679A (en) * | 2019-06-28 | 2019-09-06 | 安徽沃特水务科技有限公司 | A kind of automatic airline equipment of hydrology flow measurement wireless remote control |
| CN110608785A (en) * | 2019-08-22 | 2019-12-24 | 安徽省法米特物联技术有限公司 | Internet of things pressure liquid level meter and liquid level measurement method |
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| US20080079419A1 (en) * | 2004-09-01 | 2008-04-03 | George Quinton Lyon | Current regulator for loop powered time of flight and level measurement systems |
| CN202453804U (en) * | 2012-01-19 | 2012-09-26 | 天津成科自动化工程技术有限公司 | Long-time watchdog reset circuit |
| CN202614323U (en) * | 2012-05-10 | 2012-12-19 | 黑龙江省科学院自动化研究所 | Hydrology telemetering terminal based on network transmission technology |
| CN203825216U (en) * | 2014-01-10 | 2014-09-10 | 淮河水利委员会水文局(信息中心) | Novel remote measurement terminal device specially used for hydrology |
| CN204988420U (en) * | 2015-06-12 | 2016-01-20 | 安徽沃特水务科技有限公司 | Long period prevents that race flies special telemetering measurement terminating machine of hydrology |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080079419A1 (en) * | 2004-09-01 | 2008-04-03 | George Quinton Lyon | Current regulator for loop powered time of flight and level measurement systems |
| CN202453804U (en) * | 2012-01-19 | 2012-09-26 | 天津成科自动化工程技术有限公司 | Long-time watchdog reset circuit |
| CN202614323U (en) * | 2012-05-10 | 2012-12-19 | 黑龙江省科学院自动化研究所 | Hydrology telemetering terminal based on network transmission technology |
| CN203825216U (en) * | 2014-01-10 | 2014-09-10 | 淮河水利委员会水文局(信息中心) | Novel remote measurement terminal device specially used for hydrology |
| CN204988420U (en) * | 2015-06-12 | 2016-01-20 | 安徽沃特水务科技有限公司 | Long period prevents that race flies special telemetering measurement terminating machine of hydrology |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540108A (en) * | 2018-12-26 | 2019-03-29 | 江苏嘉禾环境科技有限公司 | One kind integrating multi-platform real-time online water regime monitoring system |
| CN110207679A (en) * | 2019-06-28 | 2019-09-06 | 安徽沃特水务科技有限公司 | A kind of automatic airline equipment of hydrology flow measurement wireless remote control |
| CN110608785A (en) * | 2019-08-22 | 2019-12-24 | 安徽省法米特物联技术有限公司 | Internet of things pressure liquid level meter and liquid level measurement method |
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Inventor after: Li Junling Inventor after: Feng Qiao Inventor after: Zhou Zhenhua Inventor after: Wang Hetao Inventor after: Yu Yanchun Inventor after: Liao Xiaorui Inventor after: Han Jianli Inventor after: Huang Xiao Inventor after: Liu Yu Inventor after: Kuang Shixi Inventor before: Li Junling Inventor before: Zhou Zhenhua Inventor before: Liao Xiaorui Inventor before: Han Jianli Inventor before: Huang Xiao Inventor before: Liu Yu Inventor before: Kuang Shixi Inventor before: Feng Qiao |
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