CN103743451B - A kind of full-automatic evaporation precipitation metering device - Google Patents

A kind of full-automatic evaporation precipitation metering device Download PDF

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CN103743451B
CN103743451B CN201410042751.XA CN201410042751A CN103743451B CN 103743451 B CN103743451 B CN 103743451B CN 201410042751 A CN201410042751 A CN 201410042751A CN 103743451 B CN103743451 B CN 103743451B
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magnetic valve
pipe
precipitation
bit triplet
water
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CN103743451A (en
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申圆圆
李俊亭
王文科
邓红章
王周峰
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Changan University
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Changan University
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Abstract

The invention discloses a kind of full-automatic evaporation precipitation metering device, comprise water circle device, automatically control and data collecting system and data analysis computer, water circle device comprises moisturizing cylinder, balance cup, precipitation dsah-pot and precipitation hopper, moisturizing cylinder top is provided with ventilation two-bit triplet magnetic valve, B/P EGR Back Pressure Transducer EGR and electronic type float switch, on ventilation two-bit triplet magnetic valve, be connected with breather pipe, blast pipe and air inlet pipe, moisturizing cylinder is connected with balance cup by the first tube connector and water flowing two-bit triplet magnetic valve, balance cup is connected with vaporising device to be measured by the second tube connector, balance cup bottom is connected with overflow pipe, precipitation dsah-pot bottom is connected with first row water pipe, is connected with open type 2/2-way magnetic valve on first row water pipe, precipitation hopper bottom is connected with second row water pipe and positive pressure sensor, is connected with closed type 2/2-way magnetic valve on second row water pipe. simple operation of the present invention, evaporation is little with precipitation error in dipping, efficiency is high.

Description

A kind of full-automatic evaporation precipitation metering device
Technical field
The invention belongs to hydroscience and water resource engineering technical field, especially relate to the metering of a kind of full-automatic evaporation precipitationDevice.
Background technology
Research institutions and the production divisions such as hydrogeology, environmental geology, water conservancy, agricultural, apply for a long time with French thingThe Ma Shi bottle of neo-confucian Mariotte name is as the device of metering evaporation capacity. This device is taking UNICOM's balance of water as basis,The difference in height declining by water column in artificial Timing measurement Ma Shi bottle is measured evaporation capacity, in the little situation of gage work amountUnder, such as being no more than 10 figure places, because this device is made simply, and can realize automatic water supplement to control object, thereby in realityIn trampling, obtain generally application. But when controlled device reaches 10 figure places, hundred figure places when above, due to artificial counting, artificial even aboveTo the miscellaneous work amount adding water in Ma Shi bottle, and the length of whole gage work spended time, what just make this metering device shouldWith impossible. In order to make full use of the advantage of Ma Shi bottle metering device, and can make to be applied to controlled device reach hundred figure places withUpper, the automation for controlled device of test process, has just become inevitable choice. Stagnant in direct precipitation metering or precipitationAfter metering in, current multiplex measuring cup or Skip meter, said apparatus is basic when controlled device reaches hundred figure places when aboveCannot use.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, and a kind of full-automatic steaming is providedSend out precipitation metering device, it is simple in structure, rationally novel in design, and it is convenient to realize, and uses simple operation, evaporation and precipitation metering mistakeDifference is little, efficiency is high, practical, and result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of full-automatic evaporation precipitation metering device,It is characterized in that: comprise water circle device, automatically control and data collecting system and with automatic control and data collecting system phaseThe data analysis computer connecing, described water circle device comprises from top to bottom spaced the first support, the second support successivelyWith the 3rd support, on described the first support, be provided with moisturizing cylinder and balance cup, the top of described moisturizing cylinder is provided with two of ventilationsThree-way magnetic valve, carry out the B/P EGR Back Pressure Transducer EGR that detects in real time and for the liquid level in moisturizing cylinder for the negative pressure in moisturizing cylinderThe electronic type float switch of controlling, described B/P EGR Back Pressure Transducer EGR and electronic type float switch have all stretched into moisturizing cylinder inside, instituteState on the first interface of ventilation two-bit triplet magnetic valve and be connected with the breather pipe that is arranged on moisturizing cylinder outside, two three of described ventilationsOn the second interface of three-way electromagnetic valve, be connected with the blast pipe that has stretched into moisturizing cylinder inside, of described ventilation two-bit triplet magnetic valveOn three interfaces, be connected with the air inlet pipe that has stretched into moisturizing cylinder inside, the length that described air inlet pipe stretches in moisturizing cylinder is greater than blast pipeStretch into the length in moisturizing cylinder, the bottom of described moisturizing cylinder is by the first tube connector and water flowing two-bit triplet magnetic valve and balance cupBottom be connected, on the first interface of described water flowing two-bit triplet magnetic valve, be connected with the water inlet pipe being connected with external water source,The second interface of described water flowing two-bit triplet magnetic valve and between moisturizing cylinder and water flowing two-bit triplet magnetic valve one sectionOne tube connector connects, the second interface of described water flowing two-bit triplet magnetic valve be positioned at water flowing two-bit triplet magnetic valve and balance cupBetween one section of first tube connector connect, the bottom of described balance cup is connected with vaporising device to be measured by the second tube connector,The bottom of described balance cup is connected with the length-adjustable overflow pipe that stretches into balance cup inside and stretch into balance cup inside; DescribedOn two supports, be provided with the precipitation dsah-pot being positioned under overflow pipe, the bottom of described precipitation dsah-pot is connected with the first drainingPipe, is connected with open type 2/2-way magnetic valve on described first row water pipe; On described the 3rd support, be provided with that to be positioned at precipitation slowPrecipitation hopper under punching cylinder, the bottom of described precipitation hopper is connected with second row water pipe and for to precipitation hopperInterior malleation is carried out the positive pressure sensor detecting in real time, is connected with closed type 2/2-way magnetic valve on described second row water pipe,Described positive pressure sensor has stretched into precipitation hopper inside; Described ventilation two-bit triplet magnetic valve, B/P EGR Back Pressure Transducer EGR, electronic type are floatedBall switch, water flowing two-bit triplet magnetic valve, open type 2/2-way magnetic valve, positive pressure sensor and closed type 2/2-way electromagnetismValve all with automatically join by control and data collecting system.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described automatic control and data acquisition systemThe solenoid control that turnkey is drawn together double loop digital display control instrument and joined with the communication interface of double loop digital display control instrumentDevice, the communication interface of described data analysis computer and double loop digital display control instrument is joined, described B/P EGR Back Pressure Transducer EGR, electronicsFormula float switch and positive pressure sensor all join with the input interface of double loop digital display control instrument, described ventilation two-bit tripletMagnetic valve, water flowing two-bit triplet magnetic valve, open type 2/2-way magnetic valve and closed type 2/2-way magnetic valve are all and electromagnetismThe output of valve control joins.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described double loop digital display control instrumentFor NHR-5200 series double loop digital display control instrument, described solenoid valve controller and described NHR-5200 series double back wayThe RS-232 communication interface of word demonstration controller is joined, described data analysis computer and described NHR-5200 series double back wayThe RS-485 communication interface of word demonstration controller is joined.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described solenoid valve controller comprises micro-controlDevice module processed and the RS-232 communication circuit module joining with micro controller module, the input of described micro controller module is connected toButton operation circuit module, the output of described micro controller module is connected to driving circuit for electromagnetic valve module and electromagnetic valve work shapeState indicator lamp, described ventilation two-bit triplet magnetic valve, water flowing two-bit triplet magnetic valve, open type 2/2-way magnetic valve and normally closedType 2/2-way magnetic valve all joins with the output of driving circuit for electromagnetic valve module.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: the centre position, bottom of described balance cupPlace is provided with screwed hole, and the middle part of described overflow pipe is provided with external screw thread and is threaded in described screwed hole, described in being positioned atLocking nut has all been threaded on the overflow pipe of screwed hole upper and lower.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: the bottom of described overflow pipe is connected with tuneJoint dish.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described moisturizing cylinder, balance cup, precipitation delayPunching cylinder and precipitation hopper are made by lucite.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described breather pipe, blast pipe, air inlet pipe,Overflow pipe, first row water pipe and second row water pipe are made by lucite, the caliber of described breather pipe, the caliber of blast pipe,The caliber of the caliber of air inlet pipe, the caliber of overflow pipe, first row water pipe and the caliber of second row water pipe are 10mm~15mm.
Above-mentioned one is automatically evaporated precipitation metering device, it is characterized in that: described the first tube connector is connected with secondPipe is aluminium-plastic pipe or tempreature bulb.
The present invention compared with prior art has the following advantages:
1, the present invention is simple in structure, rationally novel in design, and it is convenient to realize.
2, automaticity of the present invention is high, can automatically realize to vaporising device moisturizing to be measured, and can be automatic, highImitate, accurately complete the metering of evaporation capacity and precipitation or irrigation volume, use simple operation, and error in dipping is little.
3, the present invention melts the metering of the metering of evaporation capacity and precipitation or irrigation volume for one, and integrated level is high, is oneSafe and reliable full-automatic evaporation and precipitation metering device, will improve the metering when front evaporator and precipitation to a great extentWork.
4, of the present invention practical, result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, rationally novel in design, and it is convenient to realize, and uses simple operation, evaporation and precipitationError in dipping is little, efficiency is high, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic block circuit diagram that the automatic control of the present invention and data collecting system are connected with other each several parts.
Description of reference numerals:
1-moisturizing cylinder; 2-balance cup; 3-air inlet pipe;
4-blast pipe; 5-electronic type float switch; 6-B/P EGR Back Pressure Transducer EGR;
7-breather pipe; 8-ventilation two-bit triplet magnetic valve;
9-automatically control and data collecting system; 9-1-double loop digital display control instrument;
9-2-solenoid valve controller; 9-3-micro controller module;
9-4-RS-232 communication circuit module; 9-5-button operation circuit module;
9-6-driving circuit for electromagnetic valve module; 9-7-electromagnetic valve work status indicator lamp;
10-data analysis computer; 11-overflow pipe; 12-vaporising device to be measured;
13-locking nut; 14-external screw thread; 15-adjustment disk;
The 16-the first support; The 17-the second support;
18-water flowing two-bit triplet magnetic valve; 19-water inlet pipe;
20-precipitation dsah-pot; 21-open type 2/2-way magnetic valve;
The 22-the three support; 23-first row water pipe; 24-precipitation hopper;
25-positive pressure sensor; 26-closed type 2/2-way magnetic valve;
The 27-the first tube connector; The 28-the second tube connector; 29-second row water pipe.
Detailed description of the invention
As shown in Figure 1, the present invention includes water circle device, automatically control and data collecting system 9 and with automatic control andThe data analysis computer 10 that data collecting system 9 is joined, described water circle device comprises spaced successively from top to bottomThe first support 16, the second support 17 and the 3rd support 22, be provided with moisturizing cylinder 1 and balance cup 2 on described the first support 16, described inThe top of moisturizing cylinder 1 is provided with ventilation two-bit triplet magnetic valve 8, carries out the negative of detection in real time for the negative pressure in moisturizing cylinder 1Pressure sensor 6 and the electronic type float switch 5 for the liquid level in moisturizing cylinder 1 is controlled, described B/P EGR Back Pressure Transducer EGR 6 and electricityMinor float switch 5 has all stretched into moisturizing cylinder 1 inside, on the first interface of described ventilation two-bit triplet magnetic valve 8, is connected with and establishesPut the breather pipe 7 in moisturizing cylinder 1 outside, on the second interface of described ventilation two-bit triplet magnetic valve 8, be connected with and stretched into moisturizingThe blast pipe 4 of cylinder 1 inside, is connected with on the 3rd interface of described ventilation two-bit triplet magnetic valve 8 and has stretched into moisturizing cylinder 1 insideAir inlet pipe 3, described air inlet pipe 3 stretches into length in moisturizing cylinder 1 and is greater than blast pipe 4 and stretches into the length in moisturizing cylinder 1, described moisturizingThe bottom of cylinder 1 is connected with the bottom of balance cup 2 by the first tube connector 27 and water flowing two-bit triplet magnetic valve 18, described water flowingOn the first interface of two-bit triplet magnetic valve 18, be connected with the water inlet pipe 19 being connected with external water source, described water flowing two-bit triplet electricityThe second interface of magnet valve 18 and one section of first tube connector between moisturizing cylinder 1 and water flowing two-bit triplet magnetic valve 18 27 connectConnect the second interface of described water flowing two-bit triplet magnetic valve 18 and between water flowing two-bit triplet magnetic valve 18 and balance cup 2One section of first tube connector 27 connect, the bottom of described balance cup 2 is connected with vaporising device 12 to be measured by the second tube connector 28Logical, the bottom of described balance cup 2 is connected with the length-adjustable overflow pipe that stretches into balance cup 2 inside and stretch into balance cup 2 inside11; On described the second support 17, be provided with the precipitation dsah-pot 20 being positioned under overflow pipe 11, described precipitation dsah-pot 20Bottom is connected with first row water pipe 23, is connected with open type 2/2-way magnetic valve 21 on described first row water pipe 23; DescribedOn three supports 22, be provided with the precipitation hopper 24 being positioned under precipitation dsah-pot 20, the bottom of described precipitation hopper 24 connectsBe connected to second row water pipe 29 and carry out the positive pressure sensor 25 detecting in real time for the malleation in precipitation hopper 24, described theOn two drainpipes 29, be connected with closed type 2/2-way magnetic valve 26, described positive pressure sensor 25 has stretched in precipitation hopper 24Portion; Described ventilation two-bit triplet magnetic valve 8, B/P EGR Back Pressure Transducer EGR 6, electronic type float switch 5, water flowing two-bit triplet magnetic valve 18,Open type 2/2-way magnetic valve 21, positive pressure sensor 25 and closed type 2/2-way magnetic valve 26 are all controlled and data with automaticAcquisition system 9 is joined.
In conjunction with Fig. 2, in the present embodiment, described automatic control and data collecting system 9 comprise that double loop numeral shows controlInstrument 9-1 and the solenoid valve controller 9-2 joining with the communication interface of double loop digital display control instrument 9-1, described data analysisComputer 10 joins with the communication interface of double loop digital display control instrument 9-1, and described B/P EGR Back Pressure Transducer EGR 6, electronic type ball float are openedPass 5 and positive pressure sensor 25 all join with the input interface of double loop digital display control instrument 9-1, described ventilation two-bit triplet electricityMagnet valve 8, water flowing two-bit triplet magnetic valve 18, open type 2/2-way magnetic valve 21 and closed type 2/2-way magnetic valve 26 all withThe output of solenoid valve controller 9-2 joins. Particularly, described double loop digital display control instrument 9-1 is NHR-5200 seriesDouble loop digital display control instrument, described solenoid valve controller 9-2 and described NHR-5200 series double loop numeral show controlThe RS-232 communication interface of instrument is joined, and described data analysis computer 10 shows control with described NHR-5200 series double loop numeralThe RS-485 communication interface of instrument processed is joined. Described solenoid valve controller 9-2 comprise micro controller module 9-3 and with microcontroller mouldThe RS-232 communication circuit module 9-4 that piece 9-3 joins, the input of described micro controller module 9-3 is connected to button operation circuitModule 9-5, the output of described micro controller module 9-3 is connected to driving circuit for electromagnetic valve module 9-6 and electromagnetic valve work stateIndicator lamp 9-7, described ventilation two-bit triplet magnetic valve 8, water flowing two-bit triplet magnetic valve 18, open type 2/2-way magnetic valve 21All join with the output of driving circuit for electromagnetic valve module 9-6 with closed type 2/2-way magnetic valve 26.
As shown in Figure 1, in the present embodiment, centre position, the bottom place of described balance cup 2 is provided with screwed hole, described overflowThe middle part of pipe 11 is provided with external screw thread 14 and is threaded in described screwed hole, is positioned at overflowing of described screwed hole upper and lowerLocking nut 13 has all been threaded on stream pipe 11. The bottom of described overflow pipe 11 is connected with adjustment disk 15. Concrete enforcement, described inAdjustment disk 15 is also made up of lucite, holds adjustment disk 15 and rotates overflow pipe 11, can regulate easily overflow pipe 11 to stretch intoThe length of balance cup 2 inside can be the object of vaporising device 12 moisturizings to be measured thereby reach moisturizing cylinder 7.
In the present embodiment, described moisturizing cylinder 1, balance cup 2, precipitation dsah-pot 20 and precipitation hopper 24 are by luciteMake. Described breather pipe 7, blast pipe 4, air inlet pipe 3, overflow pipe 11, first row water pipe 23 and second row water pipe 29 are by organicGlass is made, the caliber of described breather pipe 7, the caliber of blast pipe 4, the caliber of air inlet pipe 3, the caliber of overflow pipe 11, first rowThe caliber of the caliber of water pipe 23 and second row water pipe 29 is 10mm~15mm. Described the first tube connector 27 and the second tube connector 28Be aluminium-plastic pipe or tempreature bulb.
When concrete enforcement, described the first support 16, the second support 17 and the 3rd support 22 are made by lucite, and firstSupport 16 is fixed on wall. The range of described B/P EGR Back Pressure Transducer EGR 6 is-5KP~0KP that the range of described positive pressure sensor 25 is0KP~5KP。
Operation principle of the present invention and the course of work are:
1, nought state:
(1) default according to vaporising device 12 to be measured, has made to be measured by the first tube connector 27 and the second tube connector 28End opening contour the flushing substantially of the water level of vaporising device 12 and air inlet pipe 3; Hold adjustment disk 15 and rotate overflow pipe 11, regulate overflowThe length that pipe 11 stretches into balance cup 2 inside, makes the moisturizing cylinder 7 can be as the object of vaporising device 12 moisturizings to be measured to reach;
(2) electronic type float switch 5 is in opening;
(3) B/P EGR Back Pressure Transducer EGR 6 is in zero-pressure state;
(4) in ventilation two-bit triplet magnetic valve 8, first interface and the second interface communicate, first interface and the 3rd interface everyDisconnected, breather pipe 7 communicates with blast pipe 4, and breather pipe 7 cuts off with air inlet pipe 3;
(5) in water flowing two-bit triplet magnetic valve 18, first interface and the second interface communicate, the second interface and the 3rd interface everyDisconnected, water inlet pipe 19 communicates with moisturizing cylinder 1, and moisturizing cylinder 1 cuts off with balance cup 2;
(6) open type 2/2-way magnetic valve 21 is in opening;
(7) closed type 2/2-way magnetic valve 26 is in closed condition;
(8) positive pressure sensor 25 is in zero-pressure state.
2, treating for state of moisturizing:
The water of external water source is by water inlet pipe 19 and between moisturizing cylinder 1 and water flowing two-bit triplet magnetic valve 18 one sectionThe first tube connector 27 flows in moisturizing cylinder 1, and water level in moisturizing cylinder 1 rises, and has triggered electronic type ball float and opens when water level rises toClose 5 o'clock, electronic type float switch 5 its signals that detect of output are to double loop digital display control instrument 9-1, and double loop numeral is aobviousShow that controller 9-1 receives this signal signal transmission to solenoid valve controller 9-2, the microcontroller in solenoid valve controller 9-2Device module 9-3 drives ventilation two-bit triplet magnetic valve 8 to move by driving circuit for electromagnetic valve module 9-6, makes to ventilate two threeIn three-way electromagnetic valve 8, first interface and the second interface cut off, and first interface and the 3rd interface communicate, and make breather pipe 7 and exhaustPipe 4 cuts off, and breather pipe 7 communicates with air inlet pipe 3; Meanwhile, micro controller module 9-3 drives by driving circuit for electromagnetic valve module 9-6Moving water flowing two-bit triplet magnetic valve 18 moves, and makes first interface and the second interface partition in water flowing two-bit triplet magnetic valve 18,The second interface and the 3rd interface communicate, and water inlet pipe 19 cuts off with moisturizing cylinder 1, and moisturizing cylinder 1 communicates with balance cup 2; MicrocontrollerModule 9-3 controls electromagnetic valve work status indicator lamp 9-7 instruction ventilation two-bit triplet magnetic valve 8 and water flowing two-bit triplet magnetic valve18 duty; Now, moisturizing cylinder 1 is in negative pressure state, and water inlet pipe 19 stops supplying water to moisturizing cylinder 1, moisturizing cylinder 1 in to2 moisturizings of balance cup are the standby state for the treatment of to vaporising device 12 moisturizings to be measured by balance cup 2 again.
3, duty one: water level declines vaporising device 12 to be measured due to evaporation;
(1) water level of vaporising device 12 to be measured declines and has broken the water level balance in balance cup 2, so in moisturizing cylinder 1Water flows into balance cup 2 by the first tube connector 27, and the water in balance cup 2 flows into vaporising device to be measured by the second tube connector 28 again12, to vaporising device 12 moisturizings to be measured, make it reach nought state;
(2) water level in moisturizing cylinder 1 declines, and the water in moisturizing cylinder 1 has been separated from electronic type float switch 5, and electronic type is floatingBall switch 5 auto-changings are nought state;
(3) water yield space that moisturizing cylinder 1 flows out, the air being entered by breather pipe 7 imports moisturizing cylinder 1, negative pressure through air inlet pipe 3Sensor 6 detects in real time consequent negative pressure value and detected signal is exported to double loop numeral in real time and showsShow controller 9-1, double loop digital display control instrument 9-1 receives the negative pressure signal that B/P EGR Back Pressure Transducer EGR 6 detects, and shows and passesDefeated signal is to data analysis computer 10, and data analysis computer 10 converts and obtains according to the variable quantity of negative pressure value in a period of timeThe falling head of moisturizing cylinder 1 interior water level, then the falling head that the cross-sectional area of moisturizing cylinder 1 is multiplied by water level is obtained to moisturizing volume,The finally cross-sectional area divided by vaporising device 12 to be measured by moisturizing volume, has just calculated the interior evaporation water of vaporising device 12 to be measuredHeight, obtained vaporising device 12 to be measured evaporation intensity last value;
(4) negative pressure value that digital display control instrument 9-1 in double loop detects B/P EGR Back Pressure Transducer EGR 6 and predefined negative pressureThreshold value compares, and in the time that negative pressure value equals predefined negative pressure threshold value, illustrates that the water level in moisturizing cylinder 1 has dropped to default heightDegree, now, double loop digital display control instrument 9-1 signal transmission is to solenoid valve controller 9-2, in solenoid valve controller 9-2Micro controller module 9-3 drives water flowing two-bit triplet magnetic valve 18 to move by driving circuit for electromagnetic valve module 9-6, makes water flowingIn two-bit triplet magnetic valve 18, first interface and the second interface communicate, and the second interface and the 3rd interface cut off, water inlet pipe 19 withMoisturizing cylinder 1 communicates, and moisturizing cylinder 1 cuts off with balance cup 2; Meanwhile, micro controller module 9-3 is by driving circuit for electromagnetic valve module 9-6 drive ventilation two-bit triplet magnetic valve 8 to move, and in the two-bit triplet magnetic valve 8 that makes to ventilate, first interface and the second interface communicate,First interface and the 3rd interface cut off, and make breather pipe 7 communicate with blast pipe 4, and breather pipe 7 cuts off with air inlet pipe 3; MicrocontrollerDevice module 9-3 controls electromagnetic valve work status indicator lamp 9-7 instruction ventilation two-bit triplet magnetic valve 8 and water flowing two-bit triplet electromagnetismThe duty of valve 18;
(5) water of external water source is by water inlet pipe 19 with between moisturizing cylinder 1 and the water flowing two-bit triplet magnetic valve 18One section of first tube connector 27 flows in moisturizing cylinder 1, and water level in moisturizing cylinder 1 rises, and when water level rises to, to have triggered electronic type floatingWhen ball switch 5, moisturizing cylinder 1 again in to 2 moisturizings of balance cup again by balance cup 2 to vaporising device 12 moisturizings to be measured treat standbyState.
In the time that the water level in vaporising device 12 to be measured declines again, will again repeat said process, so just realized rightThe continuous automatic water supplement that vaporising device 12 water levels to be measured decline.
4, duty two: vaporising device 12 to be measured is due to precipitation or irrigation and water level raises;
(1), in the time surveying the water level rising of vaporising device 12, survey the certain hydraulic gradient of formation between vaporising device 12 and balance cup 2Make current direction balance cup 2, then flow out to precipitation dsah-pot 20 by overflow pipe 11, due to open type 2/2-way magnetic valve 21 placesIn opening, the water therefore flowing into continues to flow into precipitation hopper 24 by first row water pipe 23;
(2) because closed type 2/2-way magnetic valve 26 is in closed condition, therefore flow into the water in precipitation hopper 24Will be at the interior savings of precipitation hopper 24 height, positive pressure sensor 25 consequent malleation value is detected in real time and by examineThe signal measuring is exported to double loop digital display control instrument 9-1 in real time, and double loop digital display control instrument 9-1 receives malleation and passesThe malleation signal that sensor 25 detects, the malleation value and the predefined malleation threshold that show and positive pressure sensor 25 is detectedValue compares, and in the time that malleation value equals predefined malleation threshold value, illustrates that the water level in precipitation hopper 24 has risen in advanceIf height, the height value that double loop digital display control instrument 9-1 rises precipitation hopper 24 middle water levels is transferred to data analysisComputer 10; Meanwhile, double loop digital display control instrument 9-1 signal transmission is to solenoid valve controller 9-2, solenoid valve controller 9-Micro controller module 9-3 in 2 drives open type 2/2-way magnetic valve 21 to move by driving circuit for electromagnetic valve module 9-6,Open type 2/2-way magnetic valve 21 cuts out, and the water yield being flowed out by overflow pipe 11 is temporarily stored in precipitation dsah-pot; Meanwhile,Micro controller module 9-3 drives closed type 2/2-way magnetic valve 26 to move by driving circuit for electromagnetic valve module 9-6, makes normally closedType 2/2-way magnetic valve 26 is opened, and the water in precipitation hopper 24 is discharged through second row water pipe 29;
(3), when the malleation signal detecting when positive pressure sensor 25 is zero, illustrate that the water yield in precipitation hopper 24 is drained,Now, micro controller module 9-3 drives closed type 2/2-way magnetic valve 26 to move by driving circuit for electromagnetic valve module 9-6,Closed type 2/2-way magnetic valve 26 cuts out, and meanwhile, micro controller module 9-3 drives by driving circuit for electromagnetic valve module 9-6Moving open type 2/2-way magnetic valve 21 moves, and open type 2/2-way magnetic valve 21 is opened, and again repeats said process; NumberComputer 10 is transferred to the height of its precipitation hopper 24 middle water levels risings according to double loop digital display control instrument 9-1 according to one's analysisDegree value just can be measured the water yield that obtains precipitation or irrigation.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions, every according to the present inventionAny simple modification, change and equivalent structure that technical spirit is done above embodiment change, and all still belong to skill of the present inventionIn the protection domain of art scheme.

Claims (7)

1. a full-automatic evaporation precipitation metering device, is characterized in that: comprise water circle device, control and data acquisition automaticallySystem (9) and the data analysis computer (10) joining with automatic control and data collecting system (9), described water circle device bagDraw together from top to bottom spaced the first support (16), the second support (17) and the 3rd support (22) successively, described the first support(16) on, be provided with moisturizing cylinder (1) and balance cup (2), the top of described moisturizing cylinder (1) is provided with ventilation two-bit triplet magnetic valve(8), for B/P EGR Back Pressure Transducer EGR (6) that the negative pressure in moisturizing cylinder (1) is carried out detecting in real time with for the liquid in moisturizing cylinder (1)The electronic type float switch (5) that position is controlled, described B/P EGR Back Pressure Transducer EGR (6) and electronic type float switch (5) have all stretched into benefitWater drum (1) inside, is connected with on the first interface of described ventilation two-bit triplet magnetic valve (8) that to be arranged on moisturizing cylinder (1) outsideBreather pipe (7), is connected with on the second interface of described ventilation two-bit triplet magnetic valve (8) and has stretched into the inner row of moisturizing cylinder (1)Tracheae (4), is connected with on the 3rd interface of described ventilation two-bit triplet magnetic valve (8) and has stretched into the inner air inlet of moisturizing cylinder (1)Pipe (3), described air inlet pipe (3) stretches into length in moisturizing cylinder (1) and is greater than blast pipe (4) and stretches into the length in moisturizing cylinder (1), instituteState the bottom of moisturizing cylinder (1) by the bottom of the first tube connector (27) and water flowing two-bit triplet magnetic valve (18) and balance cup (2)Be connected, on the first interface of described water flowing two-bit triplet magnetic valve (18), be connected with the water inlet pipe being connected with external water source(19), the second interface of described water flowing two-bit triplet magnetic valve (18) be positioned at moisturizing cylinder (1) and water flowing two-bit triplet magnetic valve(18) one section of first tube connector (27) between connects, the second interface of described water flowing two-bit triplet magnetic valve (18) be positioned at logicalOne section of first tube connector (27) between water two-bit triplet magnetic valve (18) and balance cup (2) is connected, under described balance cup (2)Portion is connected with vaporising device to be measured (12) by the second tube connector (28), the bottom of described balance cup (2) be connected with stretch into flatWeighing apparatus cup (2) is inner and stretch into the inner length-adjustable overflow pipe (11) of balance cup (2); On described the second support (17), be provided withBe positioned at the precipitation dsah-pot (20) under overflow pipe (11), the bottom of described precipitation dsah-pot (20) is connected with first row water pipe(23), on described first row water pipe (23), be connected with open type 2/2-way magnetic valve (21); On described the 3rd support (22), establishBe equipped with the precipitation hopper (24) being positioned under precipitation dsah-pot (20), the bottom of described precipitation hopper (24) is connected withTwo drainpipes (29) and the positive pressure sensor (25) for the malleation in precipitation hopper (24) is carried out detecting in real time, described theOn two drainpipes (29), be connected with closed type 2/2-way magnetic valve (26), described positive pressure sensor (25) has stretched into precipitation meteringCylinder (24) inside; Two of described ventilation two-bit triplet magnetic valves (8), B/P EGR Back Pressure Transducer EGR (6), electronic type float switch (5), water flowingThree-way magnetic valve (18), open type 2/2-way magnetic valve (21), positive pressure sensor (25) and closed type 2/2-way magnetic valve(26) all with automatically control and data collecting system (9) are joined;
Described automatic control and data collecting system (9) comprise double loop digital display control instrument (9-1) and with double loop numeralThe solenoid valve controller (9-2) that the communication interface of demonstration controller (9-1) is joined, described data analysis computer (10) and double backThe communication interface of railway digital demonstration controller (9-1) is joined, described B/P EGR Back Pressure Transducer EGR (6), electronic type float switch (5) and malleationSensor (25) all joins with the input interface of double loop digital display control instrument (9-1), described ventilation two-bit triplet magnetic valve(8), water flowing two-bit triplet magnetic valve (18), open type 2/2-way magnetic valve (21) and closed type 2/2-way magnetic valve (26)All join with the output of solenoid valve controller (9-2);
Centre position, the bottom place of described balance cup (2) is provided with screwed hole, and the middle part of described overflow pipe (11) is provided with outer spiral shellLine (14) and being threaded in described screwed hole, the upper equal screw thread of overflow pipe (11) that is positioned at described screwed hole upper and lower connectsBe connected to locking nut (13).
2. automatically evaporate precipitation metering device according to one claimed in claim 1, it is characterized in that: described double loop numeralShow that controller (9-1) be NHR-5200 series double loop digital display control instrument, described solenoid valve controller (9-2) and described inThe RS-232 communication interface of NHR-5200 series double loop digital display control instrument is joined, described data analysis computer (10) withThe RS-485 communication interface of described NHR-5200 series double loop digital display control instrument is joined.
3. automatically evaporate precipitation metering device according to one claimed in claim 2, it is characterized in that: described solenoid controlRS-232 communication circuit module (the 9-that device (9-2) comprises micro controller module (9-3) and joins with micro controller module (9-3)4), the input of described micro controller module (9-3) is connected to button operation circuit module (9-5), described micro controller module (9-3) output is connected to driving circuit for electromagnetic valve module (9-6) and electromagnetic valve work status indicator lamp (9-7), two of described ventilationsThree-way magnetic valve (8), water flowing two-bit triplet magnetic valve (18), open type 2/2-way magnetic valve (21) and closed type 2/2-wayMagnetic valve (26) all joins with the output of driving circuit for electromagnetic valve module (9-6).
4. automatically evaporate precipitation metering device according to one claimed in claim 1, it is characterized in that: described overflow pipe (11)Bottom be connected with adjustment disk (15).
5. automatically evaporate precipitation metering device according to one claimed in claim 1, it is characterized in that: described moisturizing cylinder (1),Balance cup (2), precipitation dsah-pot (20) and precipitation hopper (24) are made by lucite.
6. automatically evaporate precipitation metering device according to one claimed in claim 1, it is characterized in that: described breather pipe (7),Blast pipe (4), air inlet pipe (3), overflow pipe (11), first row water pipe (23) and second row water pipe (29) are by lucite systemBecome the caliber of the caliber of described breather pipe (7), the caliber of blast pipe (4), air inlet pipe (3), the caliber, first of overflow pipe (11)The caliber of the caliber of drainpipe (23) and second row water pipe (29) is 10mm~15mm.
7. automatically evaporate precipitation metering device according to one claimed in claim 1, it is characterized in that: described the first tube connector(27) and the second tube connector (28) is aluminium-plastic pipe or tempreature bulb.
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