CN207336788U - A kind of flood discharge heavy showers manual measuring device - Google Patents
A kind of flood discharge heavy showers manual measuring device Download PDFInfo
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- CN207336788U CN207336788U CN201721195279.9U CN201721195279U CN207336788U CN 207336788 U CN207336788 U CN 207336788U CN 201721195279 U CN201721195279 U CN 201721195279U CN 207336788 U CN207336788 U CN 207336788U
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- heavy showers
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Abstract
The utility model is a kind of manual measuring device of flood discharge heavy showers.It is made of rainfall bucket, water level pipe, drainpipe, mounting bracket fixes rainfall bucket, and rainfall bucket is divided into two parts up and down, to hold rain mouth, lower part Chu Yuqi, water level pipe is placed in the side outside rainfall bucket on top, water level pipe lower part connects rainfall bottom of the barrel, and osculum is in rainfall bottom of the barrel.The utility model has the advantages that：The rainfall intensity in discharge structure heavy showers area is tested, rainfall intensity changing rule and size, more preferably engineering design, operation offer service are provided.Avoid the shortcomings that cable protection point is more, of high cost, and measuring point survival rate is relatively low in traditional heavy showers electrical measurement.It ensure that measuring point survival rate, flexible, test easy to operate accurately.The range ability of device is 270mm/h~8000mm/h, is tipping-bucket rain-gauge, the extension of siphon rainfall recorder measurement range and supplement.
Description
Technical field
The manual measuring device for discharge structure flood discharge heavy showers is the utility model is related to, belongs to hydraulic and hydroelectric engineering
Discharge structure Hydraulic Prototype Observation technical field.
Background technology
Large water conservancy hydroelectric engineering play the role of in flood control safety, supply of electric power, water supply security etc. it is irreplaceable,
The high dam in China all exceedes the current highest level in the world in height of dam, vent flow, flood discharge power, and the design of high dam flood-discharge atomizing is usual
It is the key technology of engineering, the Rainfall measurement in flood discharge heavy showers area is Hydraulic Prototype Observation difficult point.
Dependent observation data shows that the flood-discharge atomizing coverage longitudinal length of discharge structure is high up to 1.5km, ascension
Degree is up to 300m, and rainfall intensity caused by heavy showers area can exceed 2000mm/h, this region aerial drainage wind is very big, bad environments,
There may be the factor such as ponding caused by hillside Rolling Stone, impeded drainage, the measurement work to rainfall intensity makes troubles.
For the Rainfall measurement in heavy showers area frequently with electrical measuring method, the method advantage is can to ensure measurement accuracy and personnel
Safety, shortcoming are easily to be damaged along the cable of journey arrangement because caving in aerial drainage wind, ponding, surface dust, cause to observe number
According to, therefore cable is too big with cost along the difficulty of Cheng Jiagu and arrangement.Measured according to standard intraocular's rainfall bucket, because of standard rainfall
Bucket volume is too small, and range is smaller, causes just to have filled rainwater in observation process moderate rain measuring tank, can not also observe data.
Tipping-bucket rain-gauge possesses rainfall automatic recording function, but its maximum range only up to 300mm/h at present, more than strong mist
The rainfall intensity for changing area is small；Siphon rainfall recorder possesses the discharge function of rainwater in rain gauge, but smaller there is also measurement range,
The rainfall of siphon once is smaller, it is impossible to the problem of discharging the rainwater in heavy showers area rain gauge in time.
Therefore, it is very necessary to design a kind of flood discharge heavy showers manual measuring device for evading disadvantages mentioned above.
The content of the invention
The utility model aim is to provide a kind of manual measuring device of flood discharge heavy showers.Discharge structure can be tested to drop by force
The rainfall intensity of rain belt, analyzes rainfall intensity changing rule and size, more preferably engineering design, operation offer service.
The technical solution of the utility model is as follows：A kind of manual measuring device of flood discharge heavy showers by rainfall bucket, water level pipe,
Drainpipe forms, and rainfall bucket is divided into two parts up and down, and to hold rain mouth, lower part Chu Yuqi, water level pipe is placed in outside rainfall bucket on top
Side, water level pipe lower part connection rainfall bottom of the barrel, osculum is in rainfall bottom of the barrel.
The rainfall bucket total height is 100cm, and the area that rain mouth is held on top is 314cm2, internal diameter 20+0.6cm, height
The internal diameter of 10cm, lower part Chu Yuqi are 60cm, a height of 90cm.
The lower part of the water level pipe is 3cm away from rainfall bottom of the barrel.
The drainpipe is 2cm apart from rainfall bottom of the barrel.
The major function and parameter of each subitem device are as follows：1st, rainfall bucket：Rain, storage rain device are held in flood-discharge atomizing rainfall,
2nd, water level pipe：The water level in special rainfall bucket is measured, the silt and debris of flood discharge rainfall carrying can be settled, prevent water level hole to be blocked
Plug.3rd, drainpipe：Discharge the rainwater of special rainfall bucket, can the silt that carries of anti-water-stop body, debris siltation block osculum.
The measurement process of the utility model is as follows：Before discharge structure flood discharge, Observation personnel checks that special rainfall bucket is
No fixation, discharges rainfall bucket internal water accumulation, closes rainfall bucket draining sluice valve, checks whether water level pipe connects；All prepare
Work it is ready after, Observation personnel withdraws observation station.After discharge structure opens flood discharge, the rain mouthpiece that holds of special rainfall bucket connects flood discharge
Rainfall, personnel keep off measuring point.Discharge structure completely closes, and Observation personnel is surveyed and read in special rainfall bucket close to observation station
Water level, hourly observation value.The valve of drainpipe is opened, the rainwater in rainfall bucket is discharged, prepares the observation of next operating mode.
The utility model has the advantages that：
(1) the rainfall intensity in discharge structure heavy showers area is tested, analyzes rainfall intensity changing rule and size, more preferably
Engineering design, operation offer service.
(2) the shortcomings that cable protection point is more, of high cost, and measuring point survival rate is relatively low in traditional heavy showers electrical measurement is avoided.Ensure
Measuring point survival rate, it is easy to operate flexibly, test it is accurate.
(3) the range ability of device is 270mm/h~8000mm/h, is tipping-bucket rain-gauge, siphon rainfall recorder measurement model
The extension enclosed and supplement.
Brief description of the drawings
Fig. 1 is flood discharge heavy showers manual measuring device's section of the utility model；
Fig. 2 is the top view of Fig. 1.
In figure, 1- holds rain mouth, 2- storage rain devices, 3- water level pipes, 4- drainpipes.
Embodiment
The following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.It is not specified in embodiment
Particular technique or condition person, carry out according to the described technology of document in the art or condition or according to product description.
Production firm person is not specified in instrument, and being can be by buying the conventional products obtained.
As shown in Figure 1, the manual measuring device of the flood discharge heavy showers of the utility model is by rainfall bucket, water level pipe 3, drainpipe
4 compositions, rainfall bucket are divided into two parts up and down, and to hold rain mouth 1, lower part is storage rain device 2 on top.Water level pipe 3 is placed in outside rainfall bucket
Side, water level pipe lower part connection rainfall bottom of the barrel, the lower part of water level pipe is 3cm away from rainfall bottom of the barrel.Osculum is at rainfall bucket bottom
Portion, drainpipe are 2cm apart from rainfall bottom of the barrel.Rainfall bucket is fixed with a mounting bracket, prevents rainfall bucket by aerial drainage wind or product
Water Damage, mounting bracket form can be determined according to test site situation.
The rainfall bucket total height is 100cm, and the area that rain mouth is held on top is 314cm2, internal diameter 20+0.6cm, height
The internal diameter of 10cm, lower part Chu Yuqi are 60cm, a height of 90cm.
The rainfall intensity range of the present apparatus：Water level pipe is 3cm away from special rainfall bottom of the barrel, impurity can be avoided not block water level
Hole, but the volume of water level pipe lower part 3cm is become measurement blind area, range ability is reduced, the rainfall intensity amount by calculating
Journey scope is 270mm/h~8000mm/h.
In use, artificial cognition flood discharge heavy showers area first, rainfall bucket is arranged on mounting bracket, the top of rainfall bucket is
Standard rainfall bucket holds rain mouth, and lower part is the rainfall holder of large capacity, can not only meet rainfall measurement function, but also be unlikely to measure
Rainwater fills rainfall bucket in journey.In measurement process, Observation personnel can survey the water level read in rainfall bucket more fast by water level pipe.
Drainpipe function is on the premise of rainfall bucket is not removed, and discharges rainfall inner bucket water body in time, is prepared for next working condition measuring, because
This can carry out the continuous Rainfall measurement of order of multiple operating modes.
The flood-discharge atomizing of Dadu River Da Gang Mountain power station flood relief through dam is measured using this measuring device.Select dam body
Strong two, the area measuring point installation flood discharge heavy showers manual measuring device that dabbles of flood discharge, measuring point are located at cushion pool arranged on left and right sides respectively
971.000m riding tracks, flood discharge operating mode be 2#、4#Low-leveled outlet while standard-sized sheet, reservoir level 1122.710m.Actual measurement left side riding track
Rainfall intensity be 2327.6mm/h, the rainfall intensity of right side riding track is 1815.52mm/h, and two measuring points successfully obtain number
According to.
The result of actual measurement shows that：This measuring device can effectively measure the rainfall intensity in discharge structure heavy showers area, and actual measurement is most
Big rainfall intensity more than 2000mm/h, has the advantages that measuring point survival rate is high, observation is simple and safety, using flexible.
Claims (4)
1. a kind of flood discharge heavy showers manual measuring device, it is characterised in that be made of rainfall bucket, water level pipe, drainpipe, mounting bracket
Fixed rainfall bucket, rainfall bucket are divided into two parts up and down, and to hold rain mouth, lower part Chu Yuqi, water level pipe is placed in outside rainfall bucket on top
Side, water level pipe lower part connection rainfall bottom of the barrel, osculum is in rainfall bottom of the barrel.
2. flood discharge heavy showers manual measuring device according to claim 1, it is characterized in that the rainfall bucket total height is
100cm, the area that rain mouth is held on top are 314cm2, the internal diameter of internal diameter 20+0.6cm, high 10cm, lower part Chu Yuqi are 60cm,
A height of 90cm.
3. flood discharge heavy showers manual measuring device according to claim 1, it is characterized in that the lower part of the water level pipe away from
Rainfall bottom of the barrel is 3cm.
4. flood discharge heavy showers manual measuring device according to claim 1, it is characterized in that the drainpipe is apart from rainfall
Bottom of the barrel is 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195279.9U CN207336788U (en) | 2017-09-18 | 2017-09-18 | A kind of flood discharge heavy showers manual measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195279.9U CN207336788U (en) | 2017-09-18 | 2017-09-18 | A kind of flood discharge heavy showers manual measuring device |
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| Publication Number | Publication Date |
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| CN207336788U true CN207336788U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721195279.9U Active CN207336788U (en) | 2017-09-18 | 2017-09-18 | A kind of flood discharge heavy showers manual measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025429A (en) * | 2019-12-31 | 2020-04-17 | 重庆交通大学 | Device and method for measuring spatial distribution of flood discharge atomization rainfall intensity of hydraulic model |
| CN113219557A (en) * | 2021-05-06 | 2021-08-06 | 昆明理工大学 | Flood discharge superstrong rainfall prototype measuring method suitable for severe environment |
-
2017
- 2017-09-18 CN CN201721195279.9U patent/CN207336788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025429A (en) * | 2019-12-31 | 2020-04-17 | 重庆交通大学 | Device and method for measuring spatial distribution of flood discharge atomization rainfall intensity of hydraulic model |
| CN113219557A (en) * | 2021-05-06 | 2021-08-06 | 昆明理工大学 | Flood discharge superstrong rainfall prototype measuring method suitable for severe environment |
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