A kind of intelligent storage capacitance-grid type rain gage
Technical field
The utility model relates to monitoring technical field, is specially a kind of intelligent storage capacitance-grid type rain gage.
Background technology
At present, the monitoring of rainfall is more and more paid attention to, and is not only climate monitoring, also has the harm of heavy showers to society also more and more stronger.The rainfall that current China generally uses in respect of siphon rainfall recorder, tipping-bucket rain-gauge.Wherein siphon rainfall recorder is a kind of rain gage occurred based on artificial observation substantially, tipping-bucket rain-gauge be at that time in order to compatible remote sensing technology based on the design of Fundamentals of Electronic Technology at that time.And along with the increase of the development of technology and the geographic density of rainfall monitoring and monitoring frequency density, hydrocone type significant discomfort closes current demand.And tipping bucket type leans on is that record precipitation is stirred in two balances " tipping bucket " left and right, simple structure and the mechanical action that places one's entire reliance upon, this factor such as error with regard to making its degree of accuracy depend on the adjustment of quality of balance, the flexible of movable device and mechanical component, so its maximum error all can not reach nominal on instructions " being less than positive and negative 4% " substantially.For tiny micro-rainfall it cannot record, and for its error amount of heavy rain, heavy rain and torrential rain sometimes even up to 40%-60%.And tipping-bucket rain-gauge is that this error to eliminate based on mechanical component composition.And rain gage is only export current rain gage, can not store rainfall value in time, when rainfall data receiving end has problem, data are just permanent loses.
Utility model content
The purpose of this utility model is to provide a kind of intelligent storage capacitance-grid type rain gage, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of intelligent storage capacitance-grid type rain gage, comprise and connect rain drain bucket, the described bottom connecing rain drain bucket is provided with water inlet control valve, the bottom of described water inlet control valve is provided with header tank, the right side of described header tank is communicated with water storage tank by conduit, the top of described water storage tank is provided with buoy, the top of described buoy is provided with slide calliper rule, the both sides of described slide calliper rule are provided with capacitor grid transducer, the inside of described water storage tank is provided with ball float, the bottom of described water storage tank is provided with outlet water control valve, the bottom of described outlet water control valve is provided with water delivering orifice, the output terminal of described capacitor grid transducer and the input end of rain gage single-chip microcomputer are electrically connected, the input end of described rain gage single-chip microcomputer is also electrically connected with the output terminal of standby power supply module and current conversion module respectively, described rain gage single-chip microcomputer and the two-way electric connection of by-pass valve control unit.
Preferably, the bottom of described header tank is fixedly connected with one end of support column, and the other end of described support column is fixedly connected with back up pad.
Preferably, the output terminal of described current conversion module and the input end of standby power supply are electrically connected.
Preferably, the surface of described slide calliper rule is equidistant is provided with appearance grid.
Compared with prior art, the beneficial effects of the utility model are: this intelligent storage capacitance-grid type rain gage, utilization connects rain drain bucket and carries out collection rainwater, water inlet control valve controls the water intake velocity connecing rain drain bucket, buoy is risen after entering in water storage tank by rainwater, slide calliper rule are had above buoy, and these slide calliper rule all have fine and closely woven appearance grid, rainfall amount is reflected by holding grid shift value, mechanical part and contact switch is substituted completely by digital circuit, stable performance, it is very accurate to measure, not by the impact of any rainfall intensity, rainfall can not run off, fundamentally solve the various problems in the past existing for rain gage, substantially increase the scientific level to rainfall detection, by arranging rain gage single-chip microcomputer, the information that capacitor grid transducer transmits is processed, by arranging storage unit, information after the process of rain gage single-chip microcomputer is stored, rainfall is stored with per hour or every ten minutes form, and the cumulative same day current rainfall amount, 400 day data can be stored, to rainfall monitoring data real time backup, can not worry there is problem when rainfall data receiving end, data are permanent loss just, by arranging standby power supply module, autonomous power supply system, during power-off, standby power supply can allow rain gage work two weeks, ensure the continuity of data monitoring.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structural principle block diagram.
In figure: 1 connects rain drain bucket, 2 water inlet control valves, 3 header tanks, 4 support columns, 5 back up pads, 6 conduits, 7 water storage tanks, 8 buoys, 9 slide calliper rule, 10 appearance grid, 11 capacitor grid transducers, 12 ball floats, 13 outlet water control valves, 14 water delivering orifices, 15 storage unit, 16 by-pass valve control unit, 17 rain gage single-chip microcomputers, 18 standby power supply modules, 19 current conversion module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of intelligent storage capacitance-grid type rain gage, comprise and connect rain drain bucket 1, the bottom connecing rain drain bucket 1 is provided with water inlet control valve 2, the bottom of water inlet control valve 2 is provided with header tank 3, the bottom of header tank 3 is fixedly connected with one end of support column 4, the other end of support column 4 is fixedly connected with back up pad 5, the right side of header tank 3 is communicated with water storage tank 7 by conduit 6, the top of water storage tank 7 is provided with buoy 8, the top of buoy 8 is provided with slide calliper rule 9, equidistant being provided with in the surface of slide calliper rule 9 holds grid 10, the both sides of slide calliper rule 9 are provided with capacitor grid transducer 11, the inside of water storage tank 7 is provided with ball float 12, the bottom of water storage tank 7 is provided with outlet water control valve 13, the bottom of outlet water control valve 13 is provided with water delivering orifice 14, utilization connects rain drain bucket 1 and carries out collection rainwater, water inlet control valve 2 controls the water intake velocity connecing rain drain bucket, buoy 8 is risen after entering in water storage tank 7 by rainwater, slide calliper rule 9 are had above buoy 8, and these slide calliper rule 9 all have fine and closely woven appearance grid 10, rainfall amount is reflected by holding grid shift value, mechanical part and contact switch is substituted completely by digital circuit, stable performance, it is very accurate to measure, not by the impact of any rainfall intensity, rainfall can not run off, fundamentally solve the various problems in the past existing for rain gage, substantially increase the scientific level to rainfall detection, the output terminal of capacitor grid transducer 11 and the input end of rain gage single-chip microcomputer 17 are electrically connected, the information transmitted by arranging rain gage single-chip microcomputer 17 pairs of capacitor grid transducers 11 processes, capacitor grid transducer 11 improves udometric monitoring accuracy, resolution is 0.01mm, maximum measurement raininess 9mm/min, make data more accurate, the input end of rain gage single-chip microcomputer 17 is also electrically connected with the output terminal of standby power supply module 18 and current conversion module 19 respectively, by arranging standby power supply module 18, autonomous power supply system, during power-off, standby power supply can allow rain gage work two weeks, ensure the continuity of data monitoring, rain gage single-chip microcomputer 17 respectively with storage unit 15 and the two-way electric connection of by-pass valve control unit 16, the output terminal of current conversion module 19 and the input end of standby power supply 18 are electrically connected, by arranging storage unit 15, information after rain gage single-chip microcomputer 17 processes is stored, rainfall is stored with per hour or every ten minutes form, and the cumulative same day current rainfall amount, 400 day data can be stored, to rainfall monitoring data real time backup, can not worry there is problem when rainfall data receiving end, data are permanent loss just.
Principle of work: when this intelligent storage capacitance-grid type rain gage uses, connect rain drain bucket 1 pair of rainwater to collect, outlet water control valve 2 controls the water intake velocity connecing rain drain bucket 1, after rainwater enters water storage tank 7, buoy 8 is risen; the slide calliper rule 9 that buoy 8 promotes top move upwardly through capacitor grid transducer 11; information transmission of collection carries out processing and transmitting to rain gage single-chip microcomputer 17 by capacitor grid transducer 11; information that storage unit 15 pairs of rain gage single-chip microcomputers 17 transmit stores, and standby power supply module 18 is powered to rain gage when direct supply damages.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.