CN201945699U - Double-tipper-hopper rainfall sensor with capability of 0.55mm - Google Patents
Double-tipper-hopper rainfall sensor with capability of 0.55mm Download PDFInfo
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- CN201945699U CN201945699U CN2011200419229U CN201120041922U CN201945699U CN 201945699 U CN201945699 U CN 201945699U CN 2011200419229 U CN2011200419229 U CN 2011200419229U CN 201120041922 U CN201120041922 U CN 201120041922U CN 201945699 U CN201945699 U CN 201945699U
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Abstract
The utility model discloses a double-tipper-hopper rainfall sensor with capability of 0.55mm; a cylindrical rainwater containing device is provided with a base at the bottom; a lower-layer water collecting device, a large tipper hopper, an upper-layer water collecting device, a small tipper hopper and a funnel are arranged on the base of the rainwater containing device from bottom to top in sequence; each water collecting device is arranged on a vertical plate; an anti-blocking device is arranged above the funnel; the small tipper hopper at the upper layer is designed to be a symmetrical slope-shaped container; the large tipper hopper at the lower layer is designed to be a labyrinth-shaped container; and the left hopper chamber and right hopper chambers of each tipper hopper are in barycentre symmetry so that the tipper hopper can swing in a balanced manner and have stable performance when being suffering from intense storm, and the sensor has high measuring accuracy. A water-repellent layer has good resistance to flushing, therefore, the surface safety is high, and the effects of environmental-protection and safety can be achieved. The errors are not influenced by the intensity of the rainfall, and instant rainfall can be measured. The working stability of the rainfall sensor can be ensured, and the data measurement is accurate. Trouble units are easy to approach and detach and replace when being maintained, and the manufacture and field maintenance cost can be lowered.
Description
Technical field
The utility model belongs to the meteorological observation device, particularly a kind of 0.5mm sensibility reciprocal rainfall sensor.
Background technology
The rain sensor of current domestic and international production mainly contains tipping bucket type, hydrocone type, Weighing type, bivalve and holds formula, the bitubular formula etc. of overflowing mutually.Tipping bucket rain gauge wherein is owing to its stable performance, and it is unrestricted to measure the amount of rainfall, good reliability, and maintainability is good, and low cost of manufacture, measuring error meet the meteorological observation requirement, and output signal is convenient to characteristics such as collection and processing by widespread usage.But in working practice and comparative studies, we find that also there is some deficiency in domestic and international existing tipping bucket rain gauge.
For example: single tipping bucket rain gauge that German Thies company produces, because the problem of structural design, when the rainwater that compiles the different raininess that get off from raingauge receiver injects the metering tipping bucket, two small room is in the interval time of changing in addition, the fluid loss that enters small room is difference with the difference of raininess size, cause the undulatory property of tipping bucket error in dipping very big, make its technical indicator not reach the National Standard tipping-bucket rain-gauge " technical requirement.
The siphon tipping bucket rain gauge that Australia NEA company produces for solve above-mentioned under different raininess conditions the error in dipping of tipping bucket, in the rain containing bin exit of its rain sensor a siphoning installation has been installed, flow to U trap earlier so that compile the rainwater that gets off from rain containing bin, inject the metering tipping bucket with constant raininess again, though yet this design has solved the error in dipping of tipping bucket under the different raininess conditions, but the siphon leakage problems has appearred, this seepage all can take place when big or small raininess, so tipping bucket error in dipping in various degree still exists.
The valve tipping bucket rain gauge that Italy Xi Pu company produces is in order to solve the error in dipping that the tipping bucket dehydration produces, the micro valve of a dexterity has been installed at the place at the water inlet tipping bucket, this valve is because the mechanical force control of tipping bucket itself, an empty small room in the tipping bucket parts is in when catchmenting the funnel below, valve just is opened, and makes rainwater inject small room; And in the off time that two small rooms are rotated, close during this valve, so just make rainwater flow into another small room again.Though this design has effectively solved the error in dipping problem that the tipping bucket dehydration produces, what occurred that installation because of valving produces leaks and stops up defective, can cause that still the sensor measurement error increases, even influence the measurement result reliability problems.
Japan's light advances the double-deck tipping bucket rain gauge that electrical equipment industry Co., Ltd. produces, the double-deck tipping bucket rain gauge that its principle of work and China Shanghai meteorologic instrument factory produce is basic identical, error in dipping for tipping bucket under the different raininess conditions, this instrument is tipping bucket and collecting funnel on metering tipping bucket upper strata increases by one, make rainwater enter the metering tipping bucket the rainwater strength ratio more even, though this design has overcome the error in dipping of tipping bucket under the different raininess conditions, yet can only measure with interior rainfall amount at raininess 4mm/min, not being suitable for raininess changes greatly, often there is the rainfall in strong rainstorms area to measure, also has insect under field conditions (factors), fallen leaves, sand and dust stop up apopore and make indicating value or misregistration.
The utility model content
Technical problem to be solved in the utility model is: a kind of 0.5mm sensibility reciprocal rainfall sensor is provided.
The technical solution of the utility model is:
A kind of 0.5mm sensibility reciprocal rainfall sensor, it is characterized in that: the rain container of a tubular, pedestal is arranged at the rain container bottom of tubular, lower floor's water collector, big tipping bucket, upper strata water collector, little tipping bucket, funnel are housed on the pedestal in rain container from the bottom to top successively, each water collector is contained on the riser, and anti-block apparatus is arranged above funnel.
Described anti-block apparatus has the Anti-stop cover of umbrella, and Anti-stop cover has the column screen pack in the middle of the below, and there is big funnel the screen pack below, and big funnel below small opening is over against hopper centre.
The tipping bucket of described big tipping bucket, little tipping bucket is the tipping bucket of rectangular box shape, below the centre of the rectangular box of tipping bucket tipping pivot is arranged, and magnet steel is equipped with in the top of centre one side of rectangular box, and magnet steel cooperates with tongue tube on the corresponding riser.
Little tipping bucket, big tipping bucket inner-wall spraying have layer of transparent liquid to form water-repellent layer.
The utility model effect is:
0.5mm sensibility reciprocal rainfall sensor technical characterstic
1) for holding rainfall, each small room that makes tipping bucket meets measuring requirement, when last small room converts down small room to, last small room drinking water constant, following small room emptying rainwater, the little tipping bucket in upper strata is designed to symmetrical slope shape container, and the big tipping bucket of lower floor is designed to the labyrinth shape container, make tipping bucket left and right sides small room center of gravity symmetry, the swing balance, stable performance when impacted by strong rainstorms has improved the measuring accuracy of sensor.
2) in order to overcome metering tipping bucket adhesional wetting error, little tipping bucket, big tipping bucket inner-wall spraying layer of transparent liquid form water-repellent layer.The anti-washability of water-repellent layer is good, and the skin hardness height greatly reduces the impedance of tipping bucket inner wall surface, has self-cleaning function, and tipping bucket inner wall surface dirt easily is eliminated under rainwash, and the water-repellent layer protection period is long, can reach 2-3, Environmental Safety.
3) in order to improve the stability of metering tipping bucket, tipping bucket is selected special synthetic plastic for use, satisfactory mechanical property, and impact flexibility is good, and creep properties is quite little, the dimensionally stable of goods, the low temperature intensity height can use at-60-120 ℃ long-term down, belongs to the weatherability material.
4) in order to measure strong rainstorms (raininess reaches 6mm/min), weaken the influence of raininess to the tipping bucket metering, we have adopted the double skip structure, increase a special component gas outlet at little tipping bucket water collector apopore, through repetition test, the maximum inner diameter and the height of gas outlet discharge orifice have been determined, guaranteed that the output rainfall when rain containing bin compiles the rainfall that gets off and injects the metering tipping bucket through gas outlet equates, promptly can make the tipping bucket error in dipping not be subjected to the influence of raininess size, can measure instantaneous rainfall again.
5) rotate dirigibility and tipping bucket stability in order to improve tipping bucket, the big tipping bucket driving member of little tipping bucket in upper strata and lower floor adopts ruby high-abrasive material and stainless steel material, through finishing, and the specific purpose tool assembling, operations such as manual debugging, reach and reduce friction, rotate sensitivity, the purpose of small room balance, long-term use is not subjected to the rainwater corrosion and gets rusty, be not subjected to cold and hot and be out of shape, ensured the rain sensor working stability, measurement data is accurate.
6) rain containing bin is selected the novel weathering resistant material for use, does not hang water, adopt advanced one-shot forming Shooting Technique, and the flowing water mouth adopts anti-blocking design.
7) foreign matters such as sand and dust, insect, blade of grass are invaded instrument internal and are stopped up apopore under the condition in the open air, disturb rain sensor to measure, and we increase a special anti-block apparatus at rain containing bin flowing water mouth.Rain container apopore, funnel apopore, water collector apopore etc., all water outlet apertures are greater than φ 3mm, guarantee raininess 8mm/min rainfall amount by and instrument water not.
8) outward appearance novelty, the structure uniqueness, tipping bucket and water collector adopt the design of one full cut-off formula, and product systems are carried out simplified design, guarantee that product is reliable and stable.Little tipping bucket water collector adopts cantilever to be connected with big tipping bucket water collector, positive open by design, be convenient to checker and maintenance personal and discern and diagnose out product bug and place under repair as early as possible, parts are disposed and are come into plain view, be easy to during maintenance near trouble unit, and be easy to remove and change these out of order parts, reduce and make and the on-site maintenance expense.
9) rational in infrastructure, novel, the domestic initiation of 0.5mm sensibility reciprocal rainfall sensor, technology index is got over National Standard GB/T11832-2002 tipping-bucket rain-gauge " regulation, be applicable to that raininess changes greatly, often there is the rainfall amount in continuation heavy rain area to measure, fills up the rain sensor blank that domestic strong rain is measured.
Description of drawings
Fig. 1 is 0.5mm sensibility reciprocal rainfall sensor one-piece construction figure
Fig. 2 .1 is the little tipping bucket front view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 2 .2 is the little tipping bucket side view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 2 .3 is the little tipping bucket vertical view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 3 .1 is the big tipping bucket front view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 3 .2 is the big tipping bucket side view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 3 .3 is the big tipping bucket vertical view of 0.5mm sensibility reciprocal rainfall sensor
Fig. 4 is the anti-block apparatus figure of 0.5mm sensibility reciprocal rainfall sensor
Embodiment
A kind of 0.5mm sensibility reciprocal rainfall sensor as shown in Figure 1, the rain container 5 of a tubular, pedestal 1 is arranged at the rain container bottom of tubular, lower floor's water collector 9, big tipping bucket 8, upper strata water collector 2, little tipping bucket 3, funnel 4 are housed on the pedestal in rain container from the bottom to top successively, each water collector is installed on riser 7, and anti-block apparatus 6 is arranged above funnel.
Anti-block apparatus has the Anti-stop cover 4.2 of umbrella, and Anti-stop cover has column screen pack 4.1 in the middle of the below, and there is big funnel the screen pack below, and big funnel below small opening is over against hopper centre.
The tipping bucket of little tipping bucket is the tipping bucket of rectangular box shape shown in Fig. 2 .1,2.2,2.3, below the centre of the rectangular box of tipping bucket tipping pivot 2.2 is arranged, and magnet steel 2.1 is equipped with in the top of centre one side of rectangular box, and magnet steel cooperates with tongue tube on the corresponding riser.
The tipping bucket of big tipping bucket is the tipping bucket 3.1 of rectangular box shape shown in Fig. 3 .1,3.2,3.3, below the centre of the rectangular box of tipping bucket tipping pivot 3.3 is arranged, and magnet steel 3.2 is equipped with in the top of centre one side of rectangle collecting box, and magnet steel cooperates with tongue tube on the corresponding riser.
Little tipping bucket, big tipping bucket inner-wall spraying have layer of transparent liquid to form water-repellent layer.
This 0.5mm sensibility reciprocal rainfall sensor is an instrument of measuring the ground rainfall amount, the tipping-bucket rain-gauge technology is adopted in design, it is output as switching signal, be applicable to the continuation heavy showers, can with automatic weather station, the automatically supporting use in hydrometric station, also can be equipped with counter becomes automatic rain gage autonomous device and uses.
Technical feature:
Hold rain mouth diameter: φ 200mm
Resolution: 0.5mm
Measurement range: raininess: 0-6mm/min
Rainfall: greater than 0.5mm
Measurement permissible error: ± 0.4mm (≤10mm)
±4％(＞10mm)
Environment temperature: 0-60 ℃
Structural principle:
0.5mm sensibility reciprocal double skip rain sensor partly is made up of rain container, funnel, the little tipping bucket in upper strata, upper strata water collector, the big tipping bucket of lower floor, lower floor's water collector, riser, pedestal, anti-block apparatus, electrical equipment etc., its structural principle as shown in Figure 1.
The rain container part: it comprises parts such as holding rain mouth, rain containing bin, and holding the rain area by one is 314cm
2The rain open area of holding receive rainwater.
The little tipping bucket part in upper strata: little tipping bucket is formed (as shown in Figure 2) by tipping bucket spoon, two parts of tipping pivot.Tipping bucket spoon and tipping pivot are connected and fixed and are one.Two small rooms about the tipping bucket spoon is divided into, in the course of the work, two small rooms are center swing in turn with the tipping pivot, make the swing of the rainwater of different raininess through too small tipping bucket, are converted to raininess rainwater relatively uniformly, little tipping bucket does not measure.
The upper strata water collector: the upper strata water collector is furnished with parts such as bearing screw, jewel plate, jewel eye and supports little tipping bucket, rainwater flows in the water collector of upper strata by little tipping bucket, overcome the impulsive force of the rainfall of different raininess to the big tipping bucket of lower floor, gas outlet can guide rainwater to enter big tipping bucket.
The big tipping bucket part of lower floor: big tipping bucket is formed (as shown in Figure 3) by tipping bucket spoon, tipping pivot, three parts of magnet steel, and tipping bucket spoon and tipping pivot are connected and fixed and are one, and two labyrinth shape small rooms became mechanical double stable state Weighing mechanism about the tipping bucket spoon was divided into.In the course of the work, two small rooms are swung the metering rainfall amount in turn, each rotary movement of tipping bucket is transferred in the acquisition system by a magnet steel and tongue tube (this part is on a mainboard) pulse signal of output (1 pulse=0.5mm rainfall amount), can obtain corresponding rainfall amount data.
Lower floor's water collector parts: lower floor's water collector is furnished with parts such as bearing, screw, jewel plate, jewel eye and supports big tipping bucket, and is fixed on the base plate, and rainwater flows into by big tipping bucket and guides rainwater to discharge from apopore in lower floor's water collector.
The Anti-stop cover device: an anti-block apparatus is installed at the water delivering orifice place at rain containing bin, form (as shown in Figure 4) by Anti-stop cover and two parts of screen pack, avoid in the open air under the condition foreign matter such as sand and dust, insect, blade of grass to enter instrument internal and blocked the discharge orifice, the measurement of interference Instrument, install easily, cleaning is convenient.
3.7 riser part: comprising parts such as riser, dry reed-pipe bracket, tongue tube, mainly is to support upper strata water collector, lower floor's water collector, dry reed-pipe bracket.Dry reed-pipe bracket has played fixedly tongue tube effect.Simple in structure, the reliability height.
The course of work
Rainwater is compiled by rain container, enters the little tipping bucket in upper strata by funnel, and little tipping bucket does not measure.Be converted to rainwater relatively uniformly through the swing rainwater that makes different raininess of too small tipping bucket.Rainwater enters the big tipping bucket metering of lower floor by the upper strata water collector then.It once is 0.5 rainfall amount that big tipping bucket stirs.Big tipping bucket center one side is equipped with magnet steel in lower floor, and there is tongue tube on the magnet steel opposite, tongue tube contact adhesive conducting that magnet steel is inswept, thus export a unit rain amount signal, the signal that tongue tube provides is by microcomputer or counter device counting.Rainfall is discharged by lower floor's water collector apopore subsequently.
Claims (4)
1. 0.5mm sensibility reciprocal rainfall sensor, it is characterized in that: the rain container of a tubular, pedestal is arranged at the rain container bottom of tubular, lower floor's water collector, big tipping bucket, upper strata water collector, little tipping bucket, funnel are housed on the pedestal in rain container from the bottom to top successively, each water collector is contained on the riser, and anti-block apparatus is arranged above funnel.
2. 0.5mm sensibility reciprocal rainfall sensor according to claim 1, it is characterized in that: described anti-block apparatus has the Anti-stop cover of umbrella, Anti-stop cover has the column screen pack in the middle of the below, and there is big funnel the screen pack below, and big funnel below small opening is over against hopper centre.
3. 0.5mm sensibility reciprocal rainfall sensor according to claim 1, it is characterized in that: the tipping bucket of described big tipping bucket, little tipping bucket is the tipping bucket of rectangular box shape, the little tipping bucket in upper strata is designed to symmetrical slope shape container, the big tipping bucket of lower floor is designed to the labyrinth shape container, below the centre of the rectangular box of tipping bucket, tipping pivot is arranged, magnet steel is equipped with in the top of centre one side of rectangular box, and magnet steel cooperates with tongue tube on the corresponding riser.
4. 0.5mm sensibility reciprocal rainfall sensor according to claim 1 is characterized in that: little tipping bucket, big tipping bucket inner-wall spraying have layer of transparent liquid to form water-repellent layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200419229U CN201945699U (en) | 2011-02-18 | 2011-02-18 | Double-tipper-hopper rainfall sensor with capability of 0.55mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200419229U CN201945699U (en) | 2011-02-18 | 2011-02-18 | Double-tipper-hopper rainfall sensor with capability of 0.55mm |
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| CN201945699U true CN201945699U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200419229U Expired - Lifetime CN201945699U (en) | 2011-02-18 | 2011-02-18 | Double-tipper-hopper rainfall sensor with capability of 0.55mm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353429A (en) * | 2015-12-10 | 2016-02-24 | 国网四川省电力公司电力科学研究院 | Infrared geminate-transistor rainfall counter |
| CN109343156A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of telemetering terminal that anti-rainfall is failed to report |
-
2011
- 2011-02-18 CN CN2011200419229U patent/CN201945699U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353429A (en) * | 2015-12-10 | 2016-02-24 | 国网四川省电力公司电力科学研究院 | Infrared geminate-transistor rainfall counter |
| CN109343156A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of telemetering terminal that anti-rainfall is failed to report |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
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| CX01 | Expiry of patent term |