CN208224005U - Weighing type evaporation from water surface measuring device - Google Patents
Weighing type evaporation from water surface measuring device Download PDFInfo
- Publication number
- CN208224005U CN208224005U CN201820223238.4U CN201820223238U CN208224005U CN 208224005 U CN208224005 U CN 208224005U CN 201820223238 U CN201820223238 U CN 201820223238U CN 208224005 U CN208224005 U CN 208224005U
- Authority
- CN
- China
- Prior art keywords
- overflow
- water
- moisturizing
- weighing apparatus
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of Weighing type evaporation from water surface measuring devices, one side bottom of its evaporating dish is connected to by water pipe with the lower end of water inlet device, the upper end of the water inlet device is connected to by moisturizing control valve and water pipe with the lower end of moisturizing bucket, the upper end of the moisturizing bucket is connected to by water inlet control valve and water pipe with water source, moisturizing weighing apparatus is provided at the moisturizing bucket, another upper lateral part of the evaporating dish is provided with overflow port, the overflow port is connected to by overflow control valve and water pipe with overflow ladle, the lower end of the overflow ladle is in communication with the outside by draining control valve and water pipe, overflow weighing apparatus is provided at the overflow ladle, all control valves, moisturizing weighing apparatus and overflow weighing apparatus are connect with controller respectively.The utility model embodies the evaporation capacity of water by the difference between the weight of moisturizing and the weight of overflow water, avoid the defect of water level in contact or contactless automatic measurement evaporating dish, reduce intermediate link, improves the reliability, stability and precision monitored automatically.
Description
Technical field:
The utility model relates to a kind of evaporation from water surface measuring techniques, measure and fill more particularly to a kind of Weighing type evaporation from water surface
It sets.
Background technique:
Evaporation from water surface observation is one of the important content of the hydrology, weather monitoring.According to " evaporation from water surface observation criteria " (SL
Requirement 630-2013), standard water surface evaporating dish (i.e. E601 evaporating dish) observe customary furnishings as evaporation from water surface.The standard water surface
Evaporating dish device open area is 3000cm2, diameter is about 618mm, high 687mm.By evaporating dish, hydrosphere, measuring equipment, overflow ladle
Composition.There are four aspects for the key link and primary operational of daily artificial evaporation monitoring: connecing first is that working as water level in evaporating dish
In nearly evaporating dish when water-line target line 100mm, the moisturizing into evaporating dish, moisturizing to water-line target line records rate of water make-up.Second is that
When there is not precipitation, water level in evaporating dish is measured by stylus when daily 8, daily evaporation amount is calculated, makes a record.Third is that
When there is precipitation, when daily 8:00, intra day ward is observed by rainfall gauge, water level in evaporating dish is measured by stylus, be passed through
Graduated cylinder measures the overflow water of evaporating dish overflow hole, calculates daily evaporation amount, makes a record.Wherein rate of water make-up, evaporating dish water level, overflow
Flow, precipitation accuracy of measurement are required to reach 0.1 millimeter.Fourth is that the water capacity in evaporating dish is apt to rot rotten due to summer temp height,
Mucus is grown, influences accuracy of observation, therefore to refresh the water periodically.
Currently, required precision is high, and the difficulty of automatic control is larger since evaporation observation link is more, evaporation observation is substantially all
In artificial observation state, low efficiency, this is incompatible with hydrometeorological modernization demand.Also, existing automatic evaporation passes
Induction device is mostly the monitoring for carrying out water level in evaporating dish, and device is complicated, and disturbing factor is more, and the practicability is poor, it is difficult to promote and apply.
Electric signal stylus formula surveys meter water level and is related to the resistance of water, unreliable；Ultrasound meter water level equipment is placed on E601 evaporating dish
Side, influences measurement accuracy；Water level is measured using laser sensor, needs to set on side kickboard is set on the hydrostatic bucket water surface, due to water
Viscosity and the kickboard resistance of motion, will affect measurement accuracy;The method that water level is calculated using E601 evaporating dish entirety load-bearing, because
It will cause large error for dust storm influence.For the level measuring in E601 evaporating dish, either touch sensor assembly, still
, there is distinct disadvantage and deficiency in contactless sensing device, this is that current evaporation from water surface is still within personal monitoring's state
The main reason for.In addition, existing E601 automatic evaporation plant, can not achieve automatic water-replacing function, further reduced practical
Property.
Utility model content:
The technical problem to be solved by the utility model is to overcoming the deficiencies of the prior art and provide, a kind of design is reasonable, surveys
Accuracy of measurement height, high degree of automation and lower-cost Weighing type evaporation from water surface measuring device.
The technical solution of the utility model is:
A kind of Weighing type evaporation from water surface measuring device, including evaporating dish, a side bottom of the evaporating dish by water pipe with
The lower end of water inlet device is connected to, and the upper end of the water inlet device is connected to by moisturizing control valve and water pipe with the lower end of moisturizing bucket, described
The upper end of moisturizing bucket is connected to by water inlet control valve and water pipe with water source, and moisturizing weighing apparatus is provided at the moisturizing bucket, described
Another upper lateral part of evaporating dish is provided with overflow port, and the overflow port is connected to by overflow control valve and water pipe with overflow ladle, institute
The lower end for stating overflow ladle is in communication with the outside by draining control valve and water pipe, and overflow weighing apparatus, institute are provided at the overflow ladle
State water inlet control valve, moisturizing control valve, overflow control valve, draining control valve, moisturizing weighing apparatus and overflow weighing apparatus respectively with
Controller connection.
The height of the water inlet device is higher than the evaporating dish, realizes automatic water supplement, the water inlet using the difference in height of the two
Exhaust pipe is set on water pipe between device and evaporating dish.The moisturizing weighing apparatus and overflow weighing apparatus are pressure type weighing apparatus, institute
It states moisturizing bucket and overflow ladle is individually positioned on the moisturizing weighing apparatus and overflow weighing apparatus.
The moisturizing weighing apparatus and overflow weighing apparatus are tensile force type weighing apparatus, and the moisturizing bucket and overflow ladle are lifted on respectively
The lower end of the moisturizing weighing apparatus and overflow weighing apparatus.The evaporating dish can be the evaporating dish of various device open areas.
The beneficial effects of the utility model are:
1, the utility model uses completely new theory, by between the weight of moisturizing at regular time and quantity and the weight of overflow water
Difference embodies the evaporation capacity of water, avoids the defect of water level in contact or contactless automatic measurement evaporating dish, reduces
Intermediate link improves the reliability, stability and precision monitored automatically.
2, the utility model control valve uses solenoid valve, and solenoid valve is powered using battery, can receive signal and realize automatically
Opening and closing, improves the degree of automation of whole system, while improving measurement accuracy.
3, water purifier is arranged in overflow port in the utility model, avoids water when water level fluctuation from overflowing from overflow hole, improves measurement
Precision, in addition, weighing apparatus uses automation control, testing result is transmitted automatically, convenient and efficient.
4, the utility model is arranged by controller parameter, by the way of multiple moisturizing in water replanishing device one day, allows new water
E601 lower layer is injected, allows the old water in upper layer to overflow from overflow hole, realizes regular automatic water-replacing function.
5, the utility model can be realized the automation of evaporation from water surface discharge observation, eliminate the artificial observation side that tradition falls behind
Formula greatly improves working efficiency, mistake and error caused by avoiding manually.
6, the utility model structure is simple, easy to implement, and control valve, moisturizing bucket, E601 evaporating dish, overflow ladle etc. are all
It is device routinely, weighing sensor technology maturation, cheap, easy implementation.
7, the utility model device is simple, low to environmental requirement, is convenient for operation and maintenance, practical；Evaporating dish is abandoned
Middle water level monitoring link avoids the use that water level surveys meter sophisticated sensor part, eliminates shakiness caused by field environment influence
It is qualitative, the practicability of device is enhanced, implementation easy to spread is with good economic efficiency.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of Weighing type evaporation from water surface measuring device.
Specific embodiment:
Embodiment: referring to Fig. 1, in figure, 1- is intake automatic valve, 2- moisturizing bucket, 3- moisturizing weighing apparatus, 4- moisturizing automatic valve,
5- water inlet device, 6- exhaust pipe, 7- evaporating dish, 8- overflow automatic valve, 9- overflow ladle, 10- overflow weighing apparatus, 11- drain automatic valve,
12- water purifier.
Weighing type evaporation from water surface measuring device includes evaporating dish 7, in which: a side bottom of evaporating dish 7 by water pipe with into
The lower end of hydrophone 5 is connected to, and the upper end of water inlet device 5 is connected to by moisturizing control valve 4 and water pipe with the lower end of moisturizing bucket 2, moisturizing bucket 2
Upper end be connected to by water inlet control valve 1 and water pipe with water source, be provided with moisturizing weighing apparatus 3 at moisturizing bucket 2, evaporating dish 7 it is another
One upper lateral part is provided with overflow port, and overflow port is connected to by overflow control valve 8 and water pipe with overflow ladle 9, and the lower end of overflow ladle 9 is logical
It crosses draining control valve 11 and water pipe is in communication with the outside, overflow weighing apparatus 10, water inlet control valve 1, moisturizing control are provided at overflow ladle 9
Valve 4, overflow control valve 8, draining control valve 11, moisturizing weighing apparatus 3 and overflow weighing apparatus 10 processed are connect with controller respectively.
Preferably: the height of water inlet device 5 is higher than evaporating dish 7, realizes automatic water supplement, water inlet device 5 using the difference in height of the two
Exhaust pipe 6 is set on the water pipe between evaporating dish 7, and water inlet pipe horizontal component will be with overflow hole bottom in the same horizontal line.
Moisturizing weighing apparatus 3 and overflow weighing apparatus 10 are pressure type weighing apparatus, and moisturizing bucket 2 and overflow ladle 9 are individually positioned in moisturizing weighing apparatus 3
On overflow weighing apparatus 10.Alternatively, moisturizing weighing apparatus 3 and overflow weighing apparatus 10 are tensile force type weighing apparatus, moisturizing bucket 2 and overflow ladle
9 are lifted on the lower end of moisturizing weighing apparatus 3 and overflow weighing apparatus 10 respectively.All water pipes are hose.
The effect of this system each section and working principle are:
1, water is changed in moisturizing:
The moisturizing of evaporating dish 7 using water storage tank or running water pipe (can also both be used in combination, it is ensured that water supply fraction) as mending
Water water source, 2 maximum capacity of moisturizing bucket can containing 10kg water, moisturizing weighing apparatus 3 can record 2 weight of moisturizing bucket in real time；Work as moisturizing
When control valve 4 is opened, the water in moisturizing bucket 2 can be all discharged into evaporating dish in a short time.This completes once to
Moisturizing process in evaporating dish 7.
The rated value of rate of water make-up can by controller carry out parameter setting (be traditionally arranged to be 3kg, 6kg or
9kg, is equivalent to 10mm, 20mm, 30mm depth of water in E601 evaporating dish, and rated value will be determined according to local maximum daily evaporation amount.).
Daily 7:50 automatically turns on water inlet control valve 1 and fills the water to moisturizing bucket, when the weight of water in moisturizing bucket reaches rated value, control
Device issues instruction, and water inlet control valve 1 is automatically closed.Daily 8:00 automatically record 2 weight of moisturizing bucket and open moisturizing control valve 4 to
Moisturizing in evaporating dish 7, moisturizing, which finishes, is automatically closed moisturizing control valve 4.
E601 evaporating dish 7 changes will determine that every 10 days of general summer changed a water, every 20 days of other seasons water day according to season
Or the longer time changes a water, it is non-to change water day other than changing water day that changing the water same day, which is to change water day,.Water day is changed non-, if
It is primary to be set to daily moisturizing；Water day is being changed, it is multiple to be set as daily moisturizing, more renews water for evaporating dish.Relevant parameter can be
It is arranged in controller, is automatically controlled with realizing.
2, evaporating dish:
Water inlet device 5 is set in 7 side of E601 evaporating dish, water inlet device 5 accesses near 7 bottom of evaporating dish, to steaming when making into water
Hair 7 water surface of ware does not cause to disturb.Hydrostatic device 12 is set at 7 overflow hole of evaporating dish, water when water level fluctuation is avoided to overflow from overflow hole
Out.
3, overflow is measured:
When 9 water of overflow ladle reaches setting rated value (3kg, 6kg or 9kg), controller issues instruction and closes overflow
Control valve 8 opens draining control valve 11, water in overflow cylinder 9 is all exhausted；After overflow ladle 9 drains, draining control is closed
Valve 11 processed opens overflow control valve 8 and continues overflow.Overflow control and metering process are completed in circular flow in this way.When there is precipitation
When, it is same to carry out overflow control and metering.No matter whether overflow ladle water reaches rated value when evaporating dish overflow, overflow is finished
Automatically record overflow ladle weight.
4, important technological parameters design object:
In E601 evaporating dish, 0.1 millimeter of the depth of water is equivalent to the weight of 30 grams of water.Therefore, moisturizing bucket weighing apparatus 3 and overflow
10 precision of flow cartridge weighing apparatus reaches 10 grams of required precisions that can meet 0.1 millimeter.
(1) rate of water make-up, spillway discharge measurement resolution: 0.033mm；
(2) rate of water make-up, spillway discharge measurement accuracy: ± 0.05mm；
(3) rainfall amount measurement resolving power: 0.1mm；
(4) measurement accuracy of evaporation capacity: 0.1mm;
(5) environment temperature: 0 DEG C~+50 DEG C.
5, daily evaporation amount calculation method:
After the device installs, using manually filling the water to evaporating dish when the same day 8 used for the first time, water level reaches overflow hole bottom
When stop water filling, hereafter automated system operation.If the conversion of day rate of water make-up is that the evaporating dish depth of water is W1, the conversion of day spillway discharge is evaporation
The ware depth of water is that W2, daily evaporation amount E, intra day ward P in millimeters retain a decimal.Precipitation automatic monitoring exists
It is a separate unit in hydrologic monitoring, technology maturation, precision meets the requirements, and this system is only with its monitoring result.
The same day there is no when precipitation, evaporation capacity calculation formula are as follows:
E=W1-W2
When there is precipitation in the same day, evaporation capacity calculation formula are as follows:
E=P+W1-W2
The utility model carries out the calculating of daily evaporation amount by rate of water make-up, spillway discharge automatic control and accurate measurement indirectly,
The defect for avoiding water level in contact or contactless automatic measurement evaporating dish, reduces intermediate link, improves device
Reliability, stability and precision,
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (4)
1. a kind of Weighing type evaporation from water surface measuring device, including evaporating dish, it is characterized in that: a side bottom of the evaporating dish passes through
Water pipe is connected to the lower end of water inlet device, and the upper end of the water inlet device is connected by the lower end of moisturizing control valve and water pipe and moisturizing bucket
Logical, the upper end of the moisturizing bucket is connected to by water inlet control valve and water pipe with water source, and moisturizing weighing is provided at the moisturizing bucket
Device, another upper lateral part of the evaporating dish are provided with overflow port, and the overflow port passes through overflow control valve and water pipe and overflow ladle
Connection, the lower end of the overflow ladle is in communication with the outside by draining control valve and water pipe, is provided with overflow at the overflow ladle and claims
Treasure, the water inlet control valve, moisturizing control valve, overflow control valve, draining control valve, moisturizing weighing apparatus and overflow weighing apparatus are equal
It is connect respectively with controller.
2. Weighing type evaporation from water surface measuring device according to claim 1, it is characterized in that: the height of the water inlet device is higher than
Exhaust pipe is arranged on the water pipe between the water inlet device and evaporating dish in the evaporating dish.
3. Weighing type evaporation from water surface measuring device according to claim 1, it is characterized in that: the moisturizing weighing apparatus and overflow
Weighing apparatus is pressure type weighing apparatus, and the moisturizing bucket and overflow ladle are individually positioned in the moisturizing weighing apparatus and overflow weighing apparatus
On.
4. Weighing type evaporation from water surface measuring device according to claim 1, it is characterized in that: the moisturizing weighing apparatus and overflow
Weighing apparatus is tensile force type weighing apparatus, and the moisturizing bucket and overflow ladle are lifted on the moisturizing weighing apparatus and overflow weighing apparatus respectively
Lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223238.4U CN208224005U (en) | 2018-02-08 | 2018-02-08 | Weighing type evaporation from water surface measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223238.4U CN208224005U (en) | 2018-02-08 | 2018-02-08 | Weighing type evaporation from water surface measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224005U true CN208224005U (en) | 2018-12-11 |
Family
ID=64530296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820223238.4U Active CN208224005U (en) | 2018-02-08 | 2018-02-08 | Weighing type evaporation from water surface measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208224005U (en) |
-
2018
- 2018-02-08 CN CN201820223238.4U patent/CN208224005U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202631760U (en) | Full-automatic evaporation station | |
| CN209765881U (en) | Device for simulating water balance factors of water-saving irrigation rice field | |
| CN105425321A (en) | Full-automatic tipping-bucket rain gauge titrator | |
| CN106772702B (en) | Automatic rain gauge calibrating device and method based on quality | |
| CN102252720A (en) | Mass flow meter based on weighing method | |
| CN108279184A (en) | Weighing type evaporation from water surface measurement method and device | |
| CN106970433A (en) | The full-automatic precipitation and evaporation measuring system of bitubular complementary type and measuring method | |
| CN109060329A (en) | The continuous fast testing system of drip irrigation system douche performance of anti-blockage and method | |
| CN209656487U (en) | Alcohol purity test device | |
| CN208224005U (en) | Weighing type evaporation from water surface measuring device | |
| CN207528604U (en) | One kind is planted raw eco-concrete device for determining permeation coefficient | |
| CN109377848A (en) | A kind of device and method for simulating each element of water-saving irrigation rice field water balance | |
| CN207898999U (en) | A kind of full-automatic evaporation station | |
| CN205431312U (en) | Artifical simulation nature rainfall system | |
| CN206594318U (en) | The water surface, evaporation from phreatic water measurement apparatus | |
| CN210051911U (en) | Full-automatic evaporation overflow measuring device | |
| CN104501893A (en) | Wide-range high-precision automatic runoff yield measurement system | |
| CN217332377U (en) | Can automatic measure rice water demand evaporate infiltration survey hole device | |
| CN207829870U (en) | A kind of oil-field flooding fouling experimental provision | |
| CN203796254U (en) | Skid-mounted cone combination device for measuring volume flow of saturated steam | |
| CN209131777U (en) | Indirect type monitors the device of evaporator water level and evaporation capacity automatically | |
| CN105091854A (en) | Novel automatic water pipe type settlement meter measuring device | |
| CN209706794U (en) | A kind of automatic slowly priming apparatus applied to water-pipe type settlement instrument | |
| CN204855839U (en) | Trail automatic measurement system that evaporates of probe -type | |
| CN2682410Y (en) | On-line measuring apparatus for alcohol content and alcohol quantity of spirit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |