CN104240479A - High monitoring accuracy of telemetry terminal device - Google Patents
High monitoring accuracy of telemetry terminal device Download PDFInfo
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- CN104240479A CN104240479A CN201410534633.0A CN201410534633A CN104240479A CN 104240479 A CN104240479 A CN 104240479A CN 201410534633 A CN201410534633 A CN 201410534633A CN 104240479 A CN104240479 A CN 104240479A
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- microprocessor
- telemetry terminal
- sensor
- terminal system
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Abstract
The invention discloses a high monitoring accuracy of telemetry terminal device. The high monitoring accuracy of telemetry terminal device comprises a microprocessor, a sensor, a memory, a display module and a power module; the memory, the display module and the power module are connected onto the microprocessor; the sensor is connected with the microprocessor through a photoelectric isolating circuit; the sensor comprises a tipping-bucket rain gauge, a float type water level gauge and an ORP (Oxidation-Reduction Potential) sensor; the microprocessor is connected with a DC/DC (Direct Current/Direct Current) converter. According to the high monitoring accuracy of telemetry terminal device, the price is low, the detection accuracy is high, and the hydrological prediction accuracy namely the disaster prediction accuracy is improved.
Description
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Technical field
The present invention relates to monitoring terminal apparatus field, more particularly, relate to a kind of hydrological telemetering terminal device on duty.
Background technology
Sichuan is in basin, and its water yield is large, makes the ground that takes place frequently becoming bloods and droughts, and climate change, the aggravation of activity in production, and Extreme Weather Events exacerbates the generation of floods and droughts the condition of a disaster more.As one of disaster the most serious in the world, flood is almost annual all to be occurred in China, and the casualties that its frequent degree and other disasteies caused thereof cause and property loss, far above developed country.
When monitoring the hydrology, the data such as rainfall, water level are the master datas of Forecasting Flood.Existing telemetry terminal system device on duty, sensor is directly connected with microprocessor, carries out signal transmission, and outer signals interference is large, makes to be affected to the accuracy of detection of the hydrology; To the detection of the water yield, it generally adopts siphon rainfall recorder or easy rain gage for it, pressure type water gauge or sound wave type water-level gauge are generally adopted to the measurement of water level, adopt siphon rainfall recorder, easy rain gage and pressure type water gauge, it is cheap, and its precision is not high; Adopt sound wave type water-level gauge, although it is high to the monitoring accuracy of water level, its price, cost is high, and one-side precision of flooding well can not improve the accuracy of detection to the hydrology.And in Sichuan, in rainy season, often the disaster such as flood occurs, the life and property loss brought can not be estimated, namely improves the degree of accuracy of telemetry terminal system equipment on duty, improve the monitoring accuracy to the hydrology and the analysis accuracy of judgement degree to disaster most important.
Summary of the invention
Technical matters to be solved by this invention is to provide the high telemetry terminal system device of a kind of monitoring precision, and it is cheap, and accuracy of detection is high, improves the accuracy of hydrologic(al) prognosis namely to the forecasting accuracy of disaster.
The present invention's adopted technical scheme that solves the problem is:
The telemetry terminal system device that monitoring precision is high, comprise microprocessor, sensor, storer, display module and power module, described storer, display module and power module are all connected on the microprocessor, described sensor is connected with microprocessor by photoelectric isolating circuit, described sensor comprises tipping-bucket rain-gauge, float type level meter and ORP sensor, and described microprocessor is also connected with DC/DC transducer.In the present invention, power module is microprocessor, display module is powered, and sensor gathers each data and sends to microprocessor to process and store in memory, and the data of collection show by Microprocessor S3C44B0X display module.Effectively export fixed voltage after DC/DC transducer changes input voltage and be supplied to microprocessor.The present invention has done 2 improvement on the basis of existing mode, and one, improves the type of sensor, has both improve the acquisition precision to data, has also reduced cost; Its two, between sensor and microcontroller, be connected with photoelectric isolating circuit, utilize the characteristic of photoelectric isolating circuit, avoid external interference.Its precision of tipping-bucket rain-gauge can reach 1mm, and its precision of float type level meter can reach 1cm, and ORP sensor detects pH value, and its precision is high, and the precision of comprehensive three kinds of data is corresponding to be improved, and then provides overall accuracy of detection.
For the ease of detecting the remote measurement of data to terminal device, further, described microprocessor is also connected with wireless transport module, described wireless transport module is Zigbee wireless transport module.Transmitted data by wireless transport module, the trouble of simplified wiring, and adopt Zigbee wireless transport module to carry out data generation, be convenient to assembly wireless ad hoc network, compared to GPRS, it can reduce the expense that data transmit.
Further, described Zigbee wireless transport module is DRF1605H chip.
Further, described microprocessor is PIC16F877 chip.The chip integration of PIC16F877 chip high and low-work voltage, super low-power consumption, high performance microcontroller, its external interface can make under-voltage detection, detection of power loss and external analog amount input expanding, practical, the overall performance of whole telemetry terminal system device on duty can be improved.
Further, described tipping-bucket rain-gauge, float type level meter and ORP sensor are respectively JD-05, GN-GL and SensoLyt.
Further, described display module is liquid crystal display.
Further, described power module is solar-electricity source module, comprises accumulator and solar panel, and described solar panel is connected on accumulator by overcharge protection circuit.Telemetry terminal system device on duty is positioned at open air, directly utilizes sun power to power to it, economize energy; Utilize overcharge protection circuit to protect accumulator, avoiding accumulator to continue charging when being full of electricity, when accumulator is full of electricity namely not to charge in batteries, the serviceable life of accumulator can be extended.
To sum up, the invention has the beneficial effects as follows:
1, the present invention adopts tipping-bucket rain-gauge, float type level meter and ORP sensor to measure rainfall, water level and pH value respectively, and its accuracy of detection is high, and cost is low.
2, the present invention is connected with photoisolator between microprocessor and sensor, and it can disturb to external world and shield, and reduces extraneous interference, improves the accuracy of data, improves the accuracy of hydrologic(al) prognosis namely to the forecasting accuracy of disaster.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Embodiment 1:
The telemetry terminal system device that a kind of monitoring precision is as shown in Figure 1 high, comprise microprocessor, sensor, storer, display module and power module, described storer, display module and power module are all connected on the microprocessor, described sensor is connected with microprocessor by photoelectric isolating circuit, described sensor comprises tipping-bucket rain-gauge, float type level meter and ORP sensor, and described microprocessor is also connected with DC/DC transducer.
In the present embodiment, described Zigbee wireless transport module is DRF1605H chip, described microprocessor is PIC16F877 chip, described tipping-bucket rain-gauge, float type level meter and ORP sensor are respectively JD-05, GN-GL and SensoLyt, and described display module is liquid crystal display.
The present embodiment realizes same as the prior art to the detection of the hydrology.
Embodiment 2:
The telemetry terminal system device that a kind of monitoring precision is as shown in Figure 1 high, for the ease of the transmission of data, the present embodiment has carried out refinement on the basis of above-described embodiment, and namely described microprocessor is also connected with wireless transport module, and described wireless transport module is Zigbee wireless transport module.
In the present embodiment, the data of telemetry terminal system device on duty are transmitted by Zigbee wireless transport module, are being conveyed through, Zigbee wireless ad hoc network can be adopted, do not need extra paying in data transmission procedure, compared to GPRS network, it can accomplish the transmission of data low cost.
Embodiment 3:
The telemetry terminal system device that a kind of monitoring precision is as shown in Figure 1 high; in order to economize on resources and protect accumulator; the present embodiment is optimized on the basis of above-described embodiment; namely described power module is solar-electricity source module; comprise accumulator and solar panel, described solar panel is connected on accumulator by overcharge protection circuit.
As mentioned above, the present invention can be realized preferably.
Claims (7)
1. the telemetry terminal system device that monitoring precision is high, comprise microprocessor, sensor, storer, display module and power module, described storer, display module and power module are all connected on the microprocessor, it is characterized in that: described sensor is connected with microprocessor by photoelectric isolating circuit, described sensor comprises tipping-bucket rain-gauge, float type level meter and ORP sensor, and described microprocessor is also connected with DC/DC transducer.
2. the telemetry terminal system device that monitoring precision according to claim 1 is high, is characterized in that: described microprocessor is also connected with wireless transport module, and described wireless transport module is Zigbee wireless transport module.
3. the telemetry terminal system device that monitoring precision according to claim 2 is high, is characterized in that: described Zigbee wireless transport module is DRF1605H chip.
4. the telemetry terminal system device that monitoring precision according to claim 1 is high, is characterized in that: described microprocessor is PIC16F877 chip.
5. the telemetry terminal system device that monitoring precision according to claim 1 is high, is characterized in that: described tipping-bucket rain-gauge, float type level meter and ORP sensor are respectively JD-05, GN-GL and SensoLyt.
6. the telemetry terminal system device that monitoring precision according to claim 1 is high, is characterized in that: described display module is liquid crystal display.
7. the telemetry terminal system device high according to the arbitrary described monitoring precision of claim 1 to 6; it is characterized in that: described power module is solar-electricity source module; comprise accumulator and solar panel, described solar panel is connected on accumulator by overcharge protection circuit.
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| CN201410534633.0A CN104240479A (en) | 2014-10-13 | 2014-10-13 | High monitoring accuracy of telemetry terminal device |
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| CN201410534633.0A CN104240479A (en) | 2014-10-13 | 2014-10-13 | High monitoring accuracy of telemetry terminal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547402A (en) * | 2015-12-08 | 2016-05-04 | 重庆多邦科技股份有限公司 | Hydrologic monitoring system |
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| CN203519053U (en) * | 2013-10-14 | 2014-04-02 | 西安山脉科技发展有限公司 | Hydrological telemetering terminal machine |
| CN204166676U (en) * | 2014-10-13 | 2015-02-18 | 成都汉康信息产业有限公司 | A kind of telemetry terminal system device on duty |
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Patent Citations (7)
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| JP2001014579A (en) * | 1999-06-30 | 2001-01-19 | Toshiba Corp | Telemeter observation device and telemeter system |
| CN2581950Y (en) * | 2002-04-29 | 2003-10-22 | 四川万江水利信息化技术有限公司 | Intelligent apparatus for measuring and displaying water information, and metering used water quantity |
| CN202177421U (en) * | 2011-08-01 | 2012-03-28 | 潍坊大禹水文科技有限公司 | Hydrological telemetering terminal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105547402A (en) * | 2015-12-08 | 2016-05-04 | 重庆多邦科技股份有限公司 | Hydrologic monitoring system |
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Application publication date: 20141224 |
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