CN203721111U - Automatic data acquisition device for measurement of evaporation and rainfall - Google Patents

Automatic data acquisition device for measurement of evaporation and rainfall Download PDF

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Publication number
CN203721111U
CN203721111U CN201420056418.XU CN201420056418U CN203721111U CN 203721111 U CN203721111 U CN 203721111U CN 201420056418 U CN201420056418 U CN 201420056418U CN 203721111 U CN203721111 U CN 203721111U
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China
Prior art keywords
solenoid valve
pipe
bit triplet
cylinder
precipitation
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CN201420056418.XU
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Chinese (zh)
Inventor
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 utility model discloses an automatic data acquisition device for the measurement of evaporation and rainfall. The automatic data acquisition device comprises a water circulation device and an automatic control and data acquisition system, the water circulation device comprises a water feeding cylinder, a balance cup, a rainfall buffering cylinder and a rainfall measuring cylinder, the top of the water feeding cylinder is provided with a ventilating two-position three-way solenoid valve, a negative pressure sensor and an electronic float switch, the ventilating two-position three-way solenoid valve is connected with a ventilating pipe, an exhaust pipe and an air inlet pipe, the water feeding cylinder is communicated with the balance cup via a first connecting pipe and a water-flowing two-position three-way solenoid valve, the balance cup is communicated with a to-be-measured evaporation device via a second connecting pipe, the bottom of the balance cup is connected with an overflow pipe, the bottom of the rainfall buffering cylinder is connected with a first drain pipe, the first drain pipe is connected with a normally-open type two-position two-way solenoid valve, the bottom of the rainfall measuring cylinder is connected with a second drain pipe and a positive pressure sensor, and the second drain pipe is connected with a normally-closed two-position two-way solenoid valve. The automatic data acquisition device for the measurement of evaporation and rainfall is advantaged by convenient usage and operation, high precision of data acquisition, and high efficiency.

Description

Full-automatic evaporation precipitation metering data collector
Technical field
The utility model belongs to hydroscience and water resource engineering technical field, especially relates to a kind of full-automatic evaporation precipitation metering data collector.
Background technology
Research institutions and the production divisions such as hydrogeology, environmental geology, water conservancy, agricultural, apply for a long time and using the Ma Shi bottle of French physicist Mariotte name as the device of metering evaporation capacity.This device be take UNICOM's balance of water and is basis, the difference in height declining by water column in artificial Timing measurement Ma Shi bottle is measured evaporation capacity, in the situation that gage work amount is little, such as being no more than 10 figure places, because this device is made simple, and can realize automatic water supplement to control object, thereby obtain in practice generally application.But when controlled device reaches 10 figure places, hundred figure places when above even above, due to artificial counting, manually to the miscellaneous work amount that adds water in Ma Shi bottle, and the length of whole gage work spended time, just make the application of this measuring apparatus can not.In order to make full use of the advantage of Ma Shi bottle measuring apparatus, and can make to be applied to more than controlled device reaches hundred figure places, the robotization for controlled device of test process, has just become inevitable choice.In the metering that directly precipitation metering or precipitation lag behind, current multiplex measuring cup or Skip meter, said apparatus cannot be used when above when controlled device reaches hundred figure places at all.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of full-automatic evaporation precipitation metering data collector is provided, it is simple in structure, rationally novel in design, it is convenient to realize, and uses simple operation, evaporation is little with precipitation error in dipping, efficiency is high, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of full-automatic evaporation precipitation metering data collector, it is characterized in that: comprise water circle device and automatically control and data acquisition system (DAS), described water circle device comprises from top to bottom spaced the first support successively, the second support and 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 ventilation two-bit triplet solenoid valve, for negative pressure transducer and the electronic type float switch for the liquid level in moisturizing cylinder is controlled that the negative pressure in moisturizing cylinder is carried out detect in real time, it is inner that described negative pressure transducer and electronic type float switch have all stretched into moisturizing cylinder, on the first interface of described ventilation two-bit triplet solenoid valve, be connected with the snorkel that is arranged on moisturizing cylinder outside, on the second interface of described ventilation two-bit triplet solenoid valve, be connected with the gas outlet that has stretched into moisturizing cylinder inside, on the 3rd interface of described ventilation two-bit triplet solenoid valve, be connected with the draft tube that has stretched into moisturizing cylinder inside, described draft tube stretches into length in moisturizing cylinder and is greater than gas outlet and stretches into the length in moisturizing cylinder, the bottom of described moisturizing cylinder is connected with the bottom of balance cup by the first connecting pipe and water flowing two-bit triplet solenoid valve, on the first interface of described water flowing two-bit triplet solenoid valve, be connected with the water inlet pipe being connected with external water source, the second interface of described water flowing two-bit triplet solenoid valve with at moisturizing cylinder, be connected with one section of first connecting pipe between water flowing two-bit triplet solenoid valve, the second interface of described water flowing two-bit triplet solenoid valve with at water flowing two-bit triplet solenoid valve, be connected with one section of first connecting pipe between balance cup, the bottom of described balance cup is connected with vaporising device to be measured by the second connecting pipe, the bottom of described balance cup is connected with the length-adjustable run-down pipe that stretches into balance cup inside and stretch into balance cup inside, on described the second support, be provided with the precipitation dsah-pot being positioned under run-down pipe, the bottom of described precipitation dsah-pot is connected with first row water pipe, is connected with open type 2/2-way solenoid valve on described first row water pipe, on described the 3rd support, be provided with the precipitation metering cylinder being positioned under precipitation dsah-pot, the positive pressure sensor that the bottom of described precipitation metering cylinder is connected with second row water pipe and carries out for the malleation in precipitation metering cylinder detecting in real time, on described second row water pipe, be connected with closed type 2/2-way solenoid valve, it is inner that described positive pressure sensor has stretched into precipitation metering cylinder, all with automatically control and data acquisition system (DAS) are joined for described ventilation two-bit triplet solenoid valve, negative pressure transducer, electronic type float switch, water flowing two-bit triplet solenoid valve, open type 2/2-way solenoid valve, positive pressure sensor and closed type 2/2-way solenoid valve.
Above-mentioned full-automatic evaporation precipitation metering data collector, it is characterized in that: described automatic control and data acquisition system (DAS) comprise two-circuit digital display control instrument and the solenoid valve controller joining with the communication interface of two-circuit digital display control instrument, described negative pressure transducer, electronic type float switch and positive pressure sensor all join with the input interface of two-circuit digital display control instrument, described ventilation two-bit triplet solenoid valve, water flowing two-bit triplet solenoid valve, open type 2/2-way solenoid valve and closed type 2/2-way solenoid valve all join with the output terminal of solenoid valve controller.
Above-mentioned full-automatic evaporation precipitation metering data collector, it is characterized in that: described two-circuit digital display control instrument is NHR-5200 series two-circuit digital display control instrument, the RS-232 communication interface of described solenoid valve controller and described NHR-5200 series two-circuit digital display control instrument is joined.
Above-mentioned full-automatic evaporation precipitation metering data collector, it is characterized in that: described solenoid valve controller comprises micro controller module and the RS-232 communication circuit module joining with micro controller module, the input end of described micro controller module is connected to button operation circuit module, the output terminal of described micro controller module is connected to driving circuit for electromagnetic valve module and electromagnetic valve work status indicator lamp, described ventilation two-bit triplet solenoid valve, water flowing two-bit triplet solenoid valve, open type 2/2-way solenoid valve and closed type 2/2-way solenoid valve all join with the output terminal of driving circuit for electromagnetic valve module.
Above-mentioned full-automatic evaporation precipitation metering data collector, it is characterized in that: the place, centre position, bottom of described balance cup is provided with threaded hole, the middle part of described run-down pipe is provided with external thread and is threaded in described threaded hole, is positioned at the set nut that has all been threaded on the run-down pipe of described threaded hole upper and lower.
Above-mentioned full-automatic evaporation precipitation metering data collector, is characterized in that: the bottom of described run-down pipe is connected with adjustment disk.
Above-mentioned full-automatic evaporation precipitation metering data collector, is characterized in that: described moisturizing cylinder, balance cup, precipitation dsah-pot and precipitation metering cylinder are made by organic glass.
Above-mentioned full-automatic evaporation precipitation metering data collector, it is characterized in that: described snorkel, gas outlet, draft tube, run-down pipe, first row water pipe and second row water pipe are made by organic glass, the caliber of the caliber of described snorkel, the caliber of gas outlet, the caliber of draft tube, the caliber of run-down pipe, first row water pipe and the caliber of second row water pipe are 10mm~15mm.
Above-mentioned full-automatic evaporation precipitation metering data collector, is characterized in that: described the first connecting pipe and the second connecting pipe are aluminium-plastic pipe or tempreature bulb.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, rationally novel in design, and it is convenient to realize.
2, automaticity of the present utility model is high, can automatically realize to vaporising device moisturizing to be measured, and can automatically, efficiently, accurately complete the collection of rate of water make-up and quantity of precipitation or irrigation volume data, for calculating evaporation capacity and quantity of precipitation or irrigation volume, use simple operation, and accuracy of data acquisition is high.
3, integrated level of the present utility model is high, can provide basis for realizing a safe and reliable full-automatic evaporation and precipitation measuring apparatus, will improve to a great extent the gage work when front evaporator and precipitation.
4, of the present utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, rationally novel in design, and it is convenient to realize, and uses simple operation, and accuracy of data acquisition is high, efficiency is high, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic block circuit diagram that the automatic control of the utility model and data acquisition system (DAS) are connected with other each several parts.
Description of reference numerals:
1-moisturizing cylinder; 2-balance cup; 3-draft tube;
4-gas outlet; 5-electronic type float switch; 6-negative pressure transducer;
7-snorkel; 8-ventilation two-bit triplet solenoid valve;
9-automatically control and data acquisition system (DAS); 9-1-two-circuit 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-second row water pipe; 11-run-down pipe; 12-vaporising device to be measured;
13-set nut; 14-external thread; 15-adjustment disk;
The 16-the first support; The 17-the second support;
18-water flowing two-bit triplet solenoid valve; 19-water inlet pipe;
20-precipitation dsah-pot; 21-open type 2/2-way solenoid valve;
The 22-the three support; 23-first row water pipe; 24-precipitation metering cylinder;
25-positive pressure sensor; 26-closed type 2/2-way solenoid valve;
The 27-the first connecting pipe; The 28-the second connecting pipe.
Embodiment
As shown in Figure 1, the utility model comprises water circle device and automatically controls and data acquisition system (DAS) 9, described water circle device comprises from top to bottom spaced the first support 16 successively, the second support 17 and the 3rd support 22, on described the first support 16, be provided with moisturizing cylinder 1 and balance cup 2, the top of described moisturizing cylinder 1 is provided with ventilation two-bit triplet solenoid valve 8, for negative pressure transducer 6 and the electronic type float switch 5 for the liquid level in moisturizing cylinder 1 is controlled that the negative pressure in moisturizing cylinder 1 is carried out detect in real time, described negative pressure transducer 6 and electronic type float switch 5 have all stretched into moisturizing cylinder 1 inside, on the first interface of described ventilation two-bit triplet solenoid valve 8, be connected with the snorkel 7 that is arranged on moisturizing cylinder 1 outside, on the second interface of described ventilation two-bit triplet solenoid valve 8, be connected with the gas outlet 4 that has stretched into moisturizing cylinder 1 inside, on the 3rd interface of described ventilation two-bit triplet solenoid valve 8, be connected with the draft tube 3 that has stretched into moisturizing cylinder 1 inside, described draft tube 3 stretches into length in moisturizing cylinder 1 and is greater than gas outlet 4 and stretches into the length in moisturizing cylinder 1, the bottom of described moisturizing cylinder 1 is connected with the bottom of balance cup 2 by the first connecting pipe 27 and water flowing two-bit triplet solenoid valve 18, on the first interface of described water flowing two-bit triplet solenoid valve 18, be connected with the water inlet pipe 19 being connected with external water source, the second interface of described water flowing two-bit triplet solenoid valve 18 with at moisturizing cylinder 1, be connected with one section of first connecting pipe 27 between water flowing two-bit triplet solenoid valve 18, the second interface of described water flowing two-bit triplet solenoid valve 18 with at water flowing two-bit triplet solenoid valve 18, be connected with one section of first connecting pipe 27 between balance cup 2, the bottom of described balance cup 2 is connected with vaporising device 12 to be measured by the second connecting pipe 28, the bottom of described balance cup 2 is connected with the length-adjustable run-down pipe 11 that stretches into balance cup 2 inside and stretch into balance cup 2 inside, on described the second support 17, be provided with the precipitation dsah-pot 20 being positioned under run-down pipe 11, the bottom of described precipitation dsah-pot 20 is connected with first row water pipe 23, is connected with open type 2/2-way solenoid valve 21 on described first row water pipe 23, on described the 3rd support 22, be provided with the precipitation metering cylinder 24 being positioned under precipitation dsah-pot 20, the positive pressure sensor 25 that the bottom of described precipitation metering cylinder 24 is connected with second row water pipe 10 and carries out for the malleation in precipitation metering cylinder 24 detecting in real time, on described second row water pipe 10, be connected with closed type 2/2-way solenoid valve 26, described positive pressure sensor 25 has stretched into precipitation metering cylinder 24 inside, all with automatically control and data acquisition system (DAS) 9 are joined for described ventilation two-bit triplet solenoid valve 8, negative pressure transducer 6, electronic type float switch 5, water flowing two-bit triplet solenoid valve 18, open type 2/2-way solenoid valve 21, positive pressure sensor 25 and closed type 2/2-way solenoid valve 26.
In conjunction with Fig. 2, in the present embodiment, described automatic control and data acquisition system (DAS) 9 comprise two-circuit digital display control instrument 9-1 and the solenoid valve controller 9-2 joining with the communication interface of two-circuit digital display control instrument 9-1, described negative pressure transducer 6, electronic type float switch 5 and positive pressure sensor 25 all join with the input interface of two-circuit digital display control instrument 9-1, described ventilation two-bit triplet solenoid valve 8, water flowing two-bit triplet solenoid valve 18, open type 2/2-way solenoid valve 21 and closed type 2/2-way solenoid valve 26 all join with the output terminal of solenoid valve controller 9-2.Particularly, described two-circuit digital display control instrument 9-1 is NHR-5200 series two-circuit digital display control instrument, and the RS-232 communication interface of described solenoid valve controller 9-2 and described NHR-5200 series two-circuit digital display control instrument is joined.Described solenoid valve controller 9-2 comprises micro controller module 9-3 and the RS-232 communication circuit module 9-4 joining with micro controller module 9-3, the input end of described micro controller module 9-3 is connected to button operation circuit module 9-5, the output terminal of described micro controller module 9-3 is connected to driving circuit for electromagnetic valve module 9-6 and electromagnetic valve work status indicator lamp 9-7, and described ventilation two-bit triplet solenoid valve 8, water flowing two-bit triplet solenoid valve 18, open type 2/2-way solenoid valve 21 and closed type 2/2-way solenoid valve 26 all join with the output terminal of driving circuit for electromagnetic valve module 9-6.
As shown in Figure 1, in the present embodiment, centre position, the bottom place of described balance cup 2 is provided with threaded hole, and the middle part of described run-down pipe 11 is provided with external thread 14 and is threaded in described threaded hole, is positioned at the set nut 13 that has all been threaded on the run-down pipe 11 of described threaded hole upper and lower.The bottom of described run-down pipe 11 is connected with adjustment disk 15.Concrete enforcement, described adjustment disk 15 is also made by organic glass, holds adjustment disk 15 rotation run-down pipes 11, can regulate easily run-down pipe 11 to stretch into the length of balance cup 2 inside, thereby reach moisturizing cylinder 7, can be the object of vaporising device 12 moisturizings to be measured.
In the present embodiment, described moisturizing cylinder 1, balance cup 2, precipitation dsah-pot 20 and precipitation metering cylinder 24 are made by organic glass.Described snorkel 7, gas outlet 4, draft tube 3, run-down pipe 11, first row water pipe 23 and second row water pipe 10 are made by organic glass, and the caliber of the caliber of described snorkel 7, gas outlet 4, the caliber of draft tube 3, the caliber of run-down pipe 11 are, the caliber of the caliber of first row water pipe 23 and second row water pipe 10 is 10mm~15mm.Described the first connecting pipe 27 and the second connecting pipe 28 are aluminium-plastic pipe or tempreature bulb.
During concrete enforcement, described the first support 16, the second support 17 and the 3rd support 22 are made by organic glass, and the first support 16 is fixed on wall.The range of described negative pressure transducer 6 is-5KP~0KP that the range of described positive pressure sensor 25 is 0KP~5KP.
Principle of work of the present utility model and the course of work are:
1, zero condition:
(1) default according to vaporising device 12 to be measured, has made the water level of vaporising device 12 to be measured and the end opening of draft tube 3 contour flushing substantially by the first connecting pipe 27 and the second connecting pipe 28; Hold adjustment disk 15 rotation run-down pipes 11, regulate run-down pipe 11 to stretch into the length of balance cup 2 inside, take and reach that to make moisturizing cylinder 7 can be the object of vaporising device 12 moisturizings to be measured;
(2) electronic type float switch 5 is in opening;
(3) negative pressure transducer 6 is in zero-pressure state;
(4) in ventilation two-bit triplet solenoid valve 8, first interface and the second interface communicate, and first interface and the 3rd interface cut off, and snorkel 7 communicates with gas outlet 4, and snorkel 7 cuts off with draft tube 3;
(5) in water flowing two-bit triplet solenoid valve 18, first interface and the second interface communicate, and the second interface and the 3rd interface cut off, and 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 solenoid valve 21 is in opening;
(7) closed type 2/2-way solenoid 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 flows in moisturizing cylinder 1 by water inlet pipe 19 and one section of first connecting pipe between moisturizing cylinder 1 and water flowing two-bit triplet solenoid valve 18 27, water level in moisturizing cylinder 1 rises, when water level rises to while having triggered electronic type float switch 5, electronic type float switch 5 its signals that detect of output are to two-circuit digital display control instrument 9-1, two-circuit digital display control instrument 9-1 receives this signal signal transmission to solenoid valve controller 9-2, micro controller module 9-3 in solenoid valve controller 9-2 drives 8 actions of ventilation two-bit triplet solenoid valve by driving circuit for electromagnetic valve module 9-6, make to ventilate first interface and the second interface in two-bit triplet solenoid valve 8 cuts off, first interface and the 3rd interface communicate, make snorkel 7 and gas outlet 4 cut off, snorkel 7 communicates with draft tube 3, simultaneously, micro controller module 9-3 drives 18 actions of water flowing two-bit triplet solenoid valve by driving circuit for electromagnetic valve module 9-6, make first interface and the second interface partition in water flowing two-bit triplet solenoid valve 18, the second interface and the 3rd interface communicate, be that water inlet pipe 19 cuts off with moisturizing cylinder 1, moisturizing cylinder 1 communicates with balance cup 2, micro controller module 9-3 controls the duty of electromagnetic valve work status indicator lamp 9-7 indication ventilation two-bit triplet solenoid valve 8 and water flowing two-bit triplet solenoid valve 18, now, moisturizing cylinder 1 is in negative pressure state, and water inlet pipe 19 stops supplying water to moisturizing cylinder 1, and moisturizing cylinder 1 is in to the balance cup 2 moisturizings standby state treated to vaporising device 12 moisturizings to be measured by balance cup 2 again.
3, duty one: due to evaporation, water level declines vaporising device 12 to be measured;
(1) water level of vaporising device 12 to be measured declines and has broken the water level balance in balance cup 2, so the water in moisturizing cylinder 1 flows into balance cup 2 by the first connecting pipe 27, water in balance cup 2 flows into vaporising device 12 to be measured by the second connecting pipe 28 again, to vaporising device 12 moisturizings to be measured, make it reach zero condition;
(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 float switch 5 auto-changings are zero condition;
(3) water yield space that moisturizing cylinder 1 flows out, the air being entered by snorkel 7 imports moisturizing cylinder 1 through draft tube 3,6 pairs of consequent negative pressure value of negative pressure transducer detect in real time and detected signal are exported to two-circuit digital display control instrument 9-1 in real time, two-circuit digital display control instrument 9-1 receives the negative pressure signal that negative pressure transducer 6 detects, show and store, the negative pressure value data that store into can offer staff or computing machine, for the evaporation capacity of calculating vaporising device 12 to be measured;
(4) negative pressure value that digital display control instrument 9-1 in two-circuit detects negative pressure transducer 6 and predefined negative pressure threshold value compare, when negative pressure value equals predefined negative pressure threshold value, illustrate that the water level in moisturizing cylinder 1 has dropped to preset height, now, two-circuit digital display control instrument 9-1 signal transmission is to solenoid valve controller 9-2, micro controller module 9-3 in solenoid valve controller 9-2 drives 18 actions of water flowing two-bit triplet solenoid valve by driving circuit for electromagnetic valve module 9-6, first interface and the second interface in water flowing two-bit triplet solenoid valve 18 are communicated, the second interface and the 3rd interface cut off, be that water inlet pipe 19 communicates with moisturizing cylinder 1, moisturizing cylinder 1 cuts off with balance cup 2, simultaneously, micro controller module 9-3 drives 8 actions of ventilation two-bit triplet solenoid valve by driving circuit for electromagnetic valve module 9-6, make to ventilate first interface and the second interface in two-bit triplet solenoid valve 8 communicates, first interface and the 3rd interface cut off, make snorkel 7 communicate with gas outlet 4, snorkel 7 cuts off with draft tube 3, micro controller module 9-3 controls the duty of electromagnetic valve work status indicator lamp 9-7 indication ventilation two-bit triplet solenoid valve 8 and water flowing two-bit triplet solenoid valve 18,
(5) water of external water source flows in moisturizing cylinder 1 by water inlet pipe 19 and one section of first connecting pipe between moisturizing cylinder 1 and water flowing two-bit triplet solenoid valve 18 27, water level in moisturizing cylinder 1 rises, when water level rises to while having triggered electronic type float switch 5, moisturizing cylinder 1 is again in to the balance cup 2 moisturizings standby state treated to vaporising device 12 moisturizings to be measured by balance cup 2 again.
When the water level in vaporising device 12 to be measured declines again, will again repeat said process, so just realized the continuous automatic water supplement that vaporising device 12 water levels to be measured are declined.
4, duty two: vaporising device 12 to be measured is due to precipitation or irrigation and water level raises;
(1) when surveying the water level rising of vaporising device 12, survey 2 certain hydraulic gradients of formation of vaporising device 12 and balance cup and make current direction balance cup 2, by run-down pipe 11, flow out to precipitation dsah-pot 20 again, because open type 2/2-way solenoid valve 21 is in opening, the water therefore flowing into continues to flow into precipitation metering cylinder 24 by first row water pipe 23;
(2) because closed type 2/2-way solenoid valve 26 is in closed condition, therefore the water flowing in precipitation metering cylinder 24 will be at the interior savings height of precipitation metering cylinder 24, 25 pairs of consequent malleation values of positive pressure sensor detect in real time and detected signal are exported to two-circuit digital display control instrument 9-1 in real time, two-circuit digital display control instrument 9-1 receives the malleation signal that positive pressure sensor 25 detects, the malleation value that shows and positive pressure sensor 25 is detected and predefined malleation threshold value compare, when malleation value equals predefined malleation threshold value, illustrate that the water level in precipitation metering cylinder 24 has risen to preset height, the height value that two-circuit digital display control instrument 9-1 rises precipitation metering cylinder 24 middle water levels is stored, the height value data that precipitation metering cylinder 24 middle water levels that store into rise can offer staff or computing machine, for the water yield of calculating precipitation or irrigation, simultaneously, two-circuit digital display control instrument 9-1 signal transmission is to solenoid valve controller 9-2, micro controller module 9-3 in solenoid valve controller 9-2 drives 21 actions of open type 2/2-way solenoid valve by driving circuit for electromagnetic valve module 9-6, open type 2/2-way solenoid valve 21 cuts out, and the water yield being flowed out by run-down pipe 11 is temporarily stored in precipitation dsah-pot, meanwhile, micro controller module 9-3 drives 26 actions of closed type 2/2-way solenoid valve by driving circuit for electromagnetic valve module 9-6, and closed type 2/2-way solenoid valve 26 is opened, and the water in precipitation metering cylinder 24 is discharged through second row water pipe 10,
(3) when the malleation signal detecting when positive pressure sensor 25 is zero, illustrate that the water yield in precipitation metering cylinder 24 is drained, now, micro controller module 9-3 drives 26 actions of closed type 2/2-way solenoid valve by driving circuit for electromagnetic valve module 9-6, closed type 2/2-way solenoid valve 26 cuts out, and meanwhile, micro controller module 9-3 drives 21 actions of open type 2/2-way solenoid valve by driving circuit for electromagnetic valve module 9-6, open type 2/2-way solenoid valve 21 is opened, again repeated said process.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.

Claims (9)

1. one kind automatically evaporates precipitation metering data collector, it is characterized in that: comprise water circle device and automatically control and data acquisition system (DAS) (9), described water circle device comprises from top to bottom spaced the first support (16) successively, the second support (17) and the 3rd support (22), on described the first support (16), be provided with moisturizing cylinder (1) and balance cup (2), the top of described moisturizing cylinder (1) is provided with ventilation two-bit triplet solenoid valve (8), for negative pressure transducer (6) and the electronic type float switch (5) for the liquid level in moisturizing cylinder (1) is controlled that the negative pressure in moisturizing cylinder (1) is carried out detecting in real time, described negative pressure transducer (6) and electronic type float switch (5) have all stretched into moisturizing cylinder (1) inside, on the first interface of described ventilation two-bit triplet solenoid valve (8), be connected with and be arranged on the outside snorkel (7) of moisturizing cylinder (1), on the second interface of described ventilation two-bit triplet solenoid valve (8), be connected with and stretched into the inner gas outlet (4) of moisturizing cylinder (1), on the 3rd interface of described ventilation two-bit triplet solenoid valve (8), be connected with and stretched into the inner draft tube (3) of moisturizing cylinder (1), described draft tube (3) stretches into length in moisturizing cylinder (1) and is greater than gas outlet (4) and stretches into the length in moisturizing cylinder (1), the bottom of described moisturizing cylinder (1) is connected with the bottom of balance cup (2) by the first connecting pipe (27) and water flowing two-bit triplet solenoid valve (18), on the first interface of described water flowing two-bit triplet solenoid valve (18), be connected with the water inlet pipe (19) being connected with external water source, the second interface of described water flowing two-bit triplet solenoid valve (18) be positioned at moisturizing cylinder (1) and be connected with one section of first connecting pipe (27) between water flowing two-bit triplet solenoid valve (18), the second interface of described water flowing two-bit triplet solenoid valve (18) be positioned at water flowing two-bit triplet solenoid valve (18) and be connected with one section of first connecting pipe (27) between balance cup (2), the bottom of described balance cup (2) is connected with vaporising device to be measured (12) by the second connecting pipe (28), the bottom of described balance cup (2) is connected with to be stretched into balance cup (2) inside and stretches into the inner length-adjustable run-down pipe (11) of balance cup (2), on described the second support (17), be provided with the precipitation dsah-pot (20) being positioned under run-down pipe (11), the bottom of described precipitation dsah-pot (20) is connected with first row water pipe (23), is connected with open type 2/2-way solenoid valve (21) on described first row water pipe (23), on described the 3rd support (22), be provided with the precipitation metering cylinder (24) being positioned under precipitation dsah-pot (20), the bottom of described precipitation metering cylinder (24) is connected with second row water pipe (10) and the positive pressure sensor (25) for the malleation in precipitation metering cylinder (24) is carried out detecting in real time, on described second row water pipe (10), be connected with closed type 2/2-way solenoid valve (26), described positive pressure sensor (25) has stretched into precipitation metering cylinder (24) inside, all with automatically control and data acquisition system (DAS) (9) are joined for described ventilation two-bit triplet solenoid valve (8), negative pressure transducer (6), electronic type float switch (5), water flowing two-bit triplet solenoid valve (18), open type 2/2-way solenoid valve (21), positive pressure sensor (25) and closed type 2/2-way solenoid valve (26).
2. according to full-automatic evaporation precipitation metering data collector claimed in claim 1, it is characterized in that: described automatic control and data acquisition system (DAS) (9) comprise two-circuit digital display control instrument (9-1) and the solenoid valve controller (9-2) joining with the communication interface of two-circuit digital display control instrument (9-1), described negative pressure transducer (6), electronic type float switch (5) and positive pressure sensor (25) all join with the input interface of two-circuit digital display control instrument (9-1), described ventilation two-bit triplet solenoid valve (8), water flowing two-bit triplet solenoid valve (18), open type 2/2-way solenoid valve (21) and closed type 2/2-way solenoid valve (26) all join with the output terminal of solenoid valve controller (9-2).
3. according to full-automatic evaporation precipitation metering data collector claimed in claim 2, it is characterized in that: described two-circuit digital display control instrument (9-1) is NHR-5200 series two-circuit digital display control instrument, and described solenoid valve controller (9-2) joins with the RS-232 communication interface of described NHR-5200 series two-circuit digital display control instrument.
4. according to full-automatic evaporation precipitation metering data collector claimed in claim 3, it is characterized in that: described solenoid valve controller (9-2) comprises micro controller module (9-3) and the RS-232 communication circuit module (9-4) joining with micro controller module (9-3), the input end of described micro controller module (9-3) is connected to button operation circuit module (9-5), the output terminal of described micro controller module (9-3) is connected to driving circuit for electromagnetic valve module (9-6) and electromagnetic valve work status indicator lamp (9-7), described ventilation two-bit triplet solenoid valve (8), water flowing two-bit triplet solenoid valve (18), open type 2/2-way solenoid valve (21) and closed type 2/2-way solenoid valve (26) all join with the output terminal of driving circuit for electromagnetic valve module (9-6).
5. according to full-automatic evaporation precipitation metering data collector claimed in claim 1, it is characterized in that: the place, centre position, bottom of described balance cup (2) is provided with threaded hole, the middle part of described run-down pipe (11) is provided with external thread (14) and is threaded in described threaded hole, is positioned at the set nut (13) that has all been threaded on the run-down pipe (11) of described threaded hole upper and lower.
6. according to full-automatic evaporation precipitation metering data collector claimed in claim 5, it is characterized in that: the bottom of described run-down pipe (11) is connected with adjustment disk (15).
7. according to full-automatic evaporation precipitation metering data collector claimed in claim 1, it is characterized in that: described moisturizing cylinder (1), balance cup (2), precipitation dsah-pot (20) and precipitation metering cylinder (24) are made by organic glass.
8. according to full-automatic evaporation precipitation metering data collector claimed in claim 1, it is characterized in that: described snorkel (7), gas outlet (4), draft tube (3), run-down pipe (11), first row water pipe (23) and second row water pipe (10) are made by organic glass, the caliber of the caliber of described snorkel (7), gas outlet (4), the caliber of draft tube (3), the caliber of run-down pipe (11) are, the caliber of the caliber of first row water pipe (23) and second row water pipe (10) is 10mm~15mm.
9. according to full-automatic evaporation precipitation metering data collector claimed in claim 1, it is characterized in that: described the first connecting pipe (27) and the second connecting pipe (28) are aluminium-plastic pipe or tempreature bulb.
CN201420056418.XU 2014-01-29 2014-01-29 Automatic data acquisition device for measurement of evaporation and rainfall Expired - Fee Related CN203721111U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743451A (en) * 2014-01-29 2014-04-23 长安大学 Full-automatic evaporation and precipitation metering device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743451A (en) * 2014-01-29 2014-04-23 长安大学 Full-automatic evaporation and precipitation metering device
CN103743451B (en) * 2014-01-29 2016-05-18 长安大学 A kind of full-automatic evaporation precipitation metering device

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