For the tipping bucket type precipitation flowmeter in snowfall season
Technical field
The present invention relates to a kind of precipitation flowmeter, particularly for the tipping bucket type precipitation flowmeter in snowfall season, it
Measurement when snowing, freeze for snowfall season to precipitation.
Background technology
At present, the underlying instrument that China is meteorological, Hydrology department is used to measure precipitation has rain gauge and tipping-bucket rain-gauge
Two kinds.
Rain gauge:It is for measuring the how many instrument of accumulative rainfall amount in a period of time.It is by upper and lower two section metallic cylinders
Shell is constituted, and upper section cylinder is the funnel that is filled with water that a bore is 20cm, to prevent rainwater from splashing mistake, holding container open area and shape
Shape, nozzle copper make interior straight outer oblique blade-like with hard;A water-storing bottle is put in lower section cylinder for collecting rainwater.Measurement
When, pour the rainwater in water-storing bottle into special bore the period precipitation is in 5cm rain ga(u)ge glasses, to read precipitation numerical quantity
Amount, unit are represented with mm.But water-storing bottle need to be taken out to snowfall season, change the rain gage bucket without funnel, snowflake directly can drop
Fall in rain gage bucket, treat snow melt or artificial by snow melt, then snowfall numerical value is read by rain ga(u)ge glass.
Tipping-bucket rain-gauge:It is can continuously to record the wire-link telemetry instrument that precipitation changed over and measured accumulative rainfall amount
Device.It is connected with recorder by cable and is constituted by induction apparatus.The induction apparatuss are by two full symmetric triangular shaped containers
It is spaced by the median septum being hinged with trunnion axis and is constituted.Rotated around trunnion axis by median septum, make both sides triangular shaped container
Water receiving in turn, when side triangular shaped container fills a certain amount of rainwater(0.1mm, 0.2mm or 0.5mm)When, due to out-shift of gravity center
Upset, water is poured out, and as rainfall continues, overturns will tipping bucket or so, and tipping bucket upset number of times is become the signal of telecommunication by contact switch,
Recorder is sent to, and precipitation data is read on stored counts device and recording clock.The induction apparatuss are measured with tipping bucket.But
It is that, at present where there is snowfall season in China, after freezing, tipping-bucket rain-gauge is not all used, but it is artificial by rainfall
Cylinder is fetched the snowfall that receipts are connected to after thawing, pours jigger into measure precipitation.Especially some mountain areas or remote districts,
Snowing in winter, the day after tomorrow is coldly sliding, and action is extremely inconvenient, and to staff, observation brings certain trouble every time, increased again certain
Labor intensity.
The content of the invention
It is an object of the invention to provide a kind of tipping bucket type precipitation flowmeter for snowfall season, it can overcome
Have the deficiency of technology, where having snowfall season, snow, freeze after effectively can normally measure precipitation, it is possible to it is straight
The numerical value for reading precipitation is connect, had not only measured accurate but also easy to use.The unit measurement precipitation such as regional meteorology, hydrology can also be mitigated
The labor intensity of personnel, uses manpower and material resources sparingly.
Its solution is:On the shell of tipping-bucket rain-gauge graduated cylinder, having heaters is set, the heater with automatically controlled
The temperature controller electrical connection of device electrical connection processed, and the tactile snow probe electrically connected with electric controller and the thermometric electrically connected with temperature controller are visited
Head, is fixedly connected on the shell of tipping-bucket rain-gauge graduated cylinder by heater.Tipping-bucket rain-gauge graduated cylinder is placed on and is placed in room
On outer base, and connect with the conventional tipping-bucket rain-gauge being placed in base, and the electric controller for connecing power supply be disposed within,
It is melted snow water to fall in the tipping bucket of tipping-bucket rain-gauge in tipping-bucket rain-gauge graduated cylinder, is carried out by the upset in turn of the tipping bucket
Precipitation is measured.
The control circuit of described electric controller is made up of integrated circuit and temperature control circuit, and the integrated circuit is input into by which
End two contacts with it is tactile snow probe electrically connect, electrically connect with relay further through two contacts of its outfan, output current to after
Electrical equipment.Relay is electrically connected with one contact of heater input by its one contact of outfan, further through another contact of outfan
Electrically connect with one contact of temperature controller input.And integrated circuit is also by its two contact of input and two contact of temperature controller outfan
Electrical connection, exports 3V voltages to integrated circuit by temperature controller.Temperature controller is electrically connected with temperature probe by two contacts of its input
Connect, electrically connect with one contact of heater input further through a contact of its outfan, also connect by two other input contact
Alternating current power supply.Temperature is controlled by temperature probe, for being that heater and electric controller provide power supply.
When temperature controller switches on power it is in running order when export 3V voltages, and input to integrated circuit and be at work
State.When temperature probe measures outdoor temperature less than 5 DEG C, the output tip node output 220V voltages of temperature controller.And relay
Two contact of outfan is off, and relay does not work, and heater is also at off working state.Pop one's head in due to descending when snow is touched
Snow triggering integrated circuit input end two contacts conducting, two contact output current of ic output, relay work, relay
Two contact of outfan is turned on, and temperature controller exports tip node and heater input contact, and heater is started working, tipping bucket type
The temperature of rainfall hopper is raised, and the timely thawing fallen in the hopper of snowing becomes water, under fall tipping bucket type below
In udometric tipping bucket, tipping-bucket rain-gauge is in normal operating conditions.When the temperature of tipping-bucket rain-gauge graduated cylinder reaches 200C
When, temperature probe senses temperature controller, disconnects temperature controller output tip node, no longer exports 220V voltages, and heater stops work
No longer generate heat.This way it is possible to avoid because the temperature of tipping-bucket rain-gauge graduated cylinder is too high, causing snowflake to make during thawing
Water evaporates, produce measurement error.When snow is descended constantly, when the temperature of tipping-bucket rain-gauge graduated cylinder drops to 5 DEG C again, temperature control
Device output tip node exports 220V voltages again, and heater is worked again, continues heating, so circulates, until snow stops.When snow stops
When, it is integrally fixed on heater due to touching snow probe, as the temperature of tactile snow probe is raised, touches snow probe and integrated circuit
Two input contacts disconnect, and heater quits work, and whole heating process stops.So as to can accurately measure drop there and then
The water yield.
The heater that described heater is fixedly connected by empire cloth and thereon is constituted, and connects 220V power supply sources, and power is
200w。
, due to taking above-mentioned technical proposal, with low cost, measurement is accurate, installs simple, easy to use spy for the present invention
Point, can use there is snowfall area.Using this precipitation flowmeter, where having snowfall season, snow, freeze after energy
Precipitation is normally measured effectively, it is possible to directly read the numerical value of precipitation, not only measured accurate but also easy to use.Can also mitigate
The units such as the regional meteorology of measurement, the hydrology measure the labor intensity of precipitation personnel, use manpower and material resources sparingly.
Description of the drawings
Fig. 1 is the structural representation of the tipping bucket type precipitation flowmeter for snowfall season;
Fig. 2 is electric controller control circuit electrical schematic diagram.
Specific embodiment
Describe the specific embodiment of the present invention below in conjunction with the accompanying drawings in detail.
In Fig. 1 and Fig. 2, on the shell of tipping-bucket rain-gauge graduated cylinder YLT arrange having heaters FH, heater FH with it is same
The temperature controller SM electrical connections of electric controller electrical connection, and tactile snow electrically connect with electric controller is popped one's head in T1 and electric with temperature controller SM
The temperature probe T2 of connection, is fixedly connected on the shell of tipping-bucket rain-gauge graduated cylinder YLT by heater FH.Tipping bucket type rain
Gauge graduated cylinder YLT is placed on base, is placed in outdoor, and is placed with what is connected with tipping-bucket rain-gauge graduated cylinder YLT in base
Conventional tipping-bucket rain-gauge.The electric controller for connecing power supply is disposed within.When the thawing snow water in tipping-bucket rain-gauge graduated cylinder YLT falls
Enter in the tipping bucket of tipping-bucket rain-gauge, precipitation metering is carried out by the upset in turn of the tipping bucket.
Described heater FH is fixedly connected on long 65cm, the empire cloth of wide 40cm with nickel chromium triangle enamel-covered wire around glass fibers
Heater made by dimension is constituted.Meet 220V to power, power is 200w.
The control circuit of described electric controller DKZQ is that IC and temperature control circuit SM are constituted, the IC
Tip node 5 and contact 6 are input into by which to electrically connect with tactile snow probe T2, tip node 15 and contact 16 and relay are exported further through which
Device J is electrically connected, and output current gives relay J.Relay J is by its one contact 17 of outfan and one contact of heater FH inputs
13 electrical connections, are electrically connected with one contact 11 of temperature controller SM outfans further through another contact of its outfan 18.And IC
Also tip node 1 and contact 2 are input into by which to electrically connect with temperature controller SM output tip nodes 3 and contact 4,3V is exported by temperature controller SM
Voltage is to IC.Temperature controller SM is input into contact 7 by which and contact 8 is electrically connected with temperature probe T1, defeated further through which
Go out contact 12 to electrically connect with heater FH input contacts 14, contact 9 is input into by which also and contact 10 connects alternating current power supply AC.Pass through
Temperature probe T2 controls temperature, is that heater FH and electric controller DKZQ provide power supply.
During use, temperature probe T1, tactile snow probe T2 are wrapped in into the outer of tipping-bucket rain-gauge graduated cylinder YLT with heater FH
On shell, it is easy in outdoor measurement temperature and whether snows.Temperature probe T1, tactile snow probe T2 are connected indoors with cable DL
Electric controller control circuit on, by connecting with the mains use.
When temperature controller SM connects 220V alternating current power supplys AC, temperature controller SM is in running order, and exports tip node 3 by which
3V voltages are exported with contact 4, voltage Jing contacts 1 and contact 2 input to IC, and IC is in work shape
State.When temperature probe T1 measures outdoor temperature less than 5 DEG C, the contact 11 of temperature controller SM outfans and the output 220V of contact 12 are electric
Pressure.And relay J does not work, its output tip node 17 and contact 18 are off, and heater FH does not work.Avenge when touching
When probe T2 triggers contact 5 and contact 6 conducting of IC input due to snowing, the contact of IC outfan
15 and 16 output current of contact, relay J work, the contact 17 and contact 18 of relay J outfans are turned on, and heater FH starts
Work, the temperature of tipping-bucket rain-gauge graduated cylinder YLT are raised, the timely thawing fallen in tipping-bucket rain-gauge graduated cylinder YLT of snowing
Become water, under fall in the tipping bucket of tipping-bucket rain-gauge, tipping-bucket rain-gauge normal work is measured.Work as tipping-bucket rain-gauge
When the temperature of graduated cylinder YLT reaches 200C, temperature probe T1 senses temperature controller SM, makes temperature controller SM output tip nodes 11 and contact
12 disconnect, and no longer export 220V voltages, and heater FH quits work, can be effectively prevented because of tipping-bucket rain-gauge amount
Temperature in cylinder YLT is too high, causes snowflake that water evaporates are made during thawing, produces measurement error.When snow is constantly descended,
When the temperature of tipping-bucket rain-gauge graduated cylinder YLT drops to 5 DEG C again, temperature controller SM output tip nodes 11 and contact 12 can be exported again
220V voltages, heater FH are started working again and continue heating, so circulate.When snow stops, it is binding due to touching snow probe T2
On heater FH, as the temperature of tactile snow probe T2 is raised, the input contact for touching snow probe T2 and IC disconnects,
Heater FH quits work, and whole heating process stops.So as to accurately measure when snowfall area is snowed there and then
Precipitation.