CN106919191A - A kind of lysimeter percolating water drip metering control device - Google Patents

A kind of lysimeter percolating water drip metering control device Download PDF

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Publication number
CN106919191A
CN106919191A CN201710156505.0A CN201710156505A CN106919191A CN 106919191 A CN106919191 A CN 106919191A CN 201710156505 A CN201710156505 A CN 201710156505A CN 106919191 A CN106919191 A CN 106919191A
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China
Prior art keywords
dropper
metering control
water
lysimeter
compartment
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CN201710156505.0A
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CN106919191B (en
Inventor
张锦春
杨自辉
李昌龙
魏金萍
李世伟
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Gansu Desert Control Research Institute
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Gansu Desert Control Research Institute
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means
    • G05D7/0617Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a kind of lysimeter percolating water drip metering control device, including compartment, dropper, infrared opposite-radiation device and metering control system;The dropper is located in the U-shaped groove of compartment left end, and dropper is provided with infrared opposite-radiation device, and the infrared opposite-radiation device is fixed on the U-shaped groove card of compartment by U-shaped card ring, and metering control system is arranged in the waterproof case of compartment right-hand member;Metering control system is electrically connected with infrared opposite-radiation device, receives droplet count pulse signal, and the metering control system is electrically connected with the electromagnetic clamp set on dropper, for controlling dropper to measure the flow velocity of water.This invention ensures that accurately metering and the stabilization discharge of lysimeter percolating water, water metering accuracy, ageing and stability are high.Simultaneously can monitoring situation, setting and modifying running parameter, storage display Monitoring Data, monitoring abnormal conditions and and alarm, realize lysimeter percolating water automatic monitoring, automation degree of equipment is high.

Description

A kind of lysimeter percolating water drip metering control device
Technical field
The invention belongs to lysimeter technical field, it is related to a kind of lysimeter percolating water drip metering control device.
Background technology
Lysimeter percolating water metering both at home and abroad, is claimed percolating water water conservancy diversion frequently with artificial process in bearing container at present Amount, partial automation degree lysimeter higher added tipping bucket type rain gauge and has been measured, though equipment is simple, low cost, surveys Determine method easy, but limited by lysimeter self-condition, such as underground water perseverance position water replenishing type lysimeter, only when compared with great rainfall Produce deep layer to infiltrate to form percolating water, or percolating water is produced when spring soil thaws, lysimeter water amount of seepage very little, and tool Have stronger ageing, it is necessary to the accurate micro percolating water in metering different time points, though tipping bucket type rain gauge can be measured accurately Realize automatic observation, but cannot metering trace water and its ageing, cannot also determine flow velocity.
The content of the invention
To solve above mentioned problem present in prior art and actual conditions, the invention provides a kind of lysimeter percolating water Drip metering control device, including compartment, dropper, infrared opposite-radiation device and metering control system;The dropper is located at In the U-shaped groove of compartment left end, the dropper is provided with infrared opposite-radiation device, and it is right that metering control system is arranged on compartment In the waterproof case at end;Metering control system is electrically connected with infrared opposite-radiation device, receives droplet count pulse signal, the metering Control system is electrically connected with the electromagnetic clamp set on dropper, for controlling dropper to measure the flow velocity of water.
Preferably, the compartment includes watertight panel and waterproof case, and waterproof case left end is provided with U-shaped groove, is used for Dropper is installed, and upper fixing card and lower fixing card by being provided with U-shaped groove is fixed, the positive waterproof surface of compartment Plate is fixed on waterproof case, and metering control system Input/Output Device hole is provided with watertight panel.
Preferably, the dropper includes water inlet pipe, drop kettle, water dropper, drainpipe and electromagnetic clamp;The water inlet pipe is by upper Face is stretched into the drop kettle, and the water dropper is located at the bottom of water inlet pipe, and metrological moisture is entered water inlet pipe, formed by water dropper Water droplet, comes together in the aqueous of drop kettle bottom, is discharged through drainpipe, and drainpipe is provided with electromagnetic clamp.
Preferably, the infrared opposite-radiation device is by U-shaped card ring, infrared emission tube, infrared receiver tube and drop pulse Circuit is constituted;U-shaped card ring is located on dropper drop kettle, drop kettle outside is looped around, highly positioned at dropper water dropper and aqueous Between face, and it is fixed on the U-shaped groove of compartment, infrared emitting is respectively equipped with positioned at drop kettle opposite sides on U-shaped card ring Pipe and infrared receiver tube, drop impulse circuit is installed in the waterproof case at the U-shaped card ring back side, and with infrared emission tube and Infrared receiver tube is electrically connected.
Preferably, the metering control system by microprocessor, real-time clock, buzzer, relay indicating light, display, Keyboard, data communication mouth and battery case composition;Microprocessor is electrically connected with the drop impulse circuit of infrared opposite-radiation device, for connecing Sink drips pulse signal, while electrically connected with the electromagnetic clamp on dropper drainpipe, for controlling dropper to measure water flow velocity;It is micro- Processor output end is connected with relay indicating light, display, buzzer;Microprocessor input is connected with real-time clock and key Disk, real-time clock provides temporal information for system, by the settable modification systematic parameter of input through keyboard, issue instruction;Microprocessor Device is provided with data communication mouthful, can carry out data communication with the external world;Battery case is respectively infrared opposite-radiation device by 1.5V dry cells Directly powered with microprocessor, and be real-time clock, buzzer, relay indicating light, display, keyboard and electricity by microprocessor Magnetic clutch is powered indirectly.
Lysimeter percolating water drip metering control device of the present invention sets compartment, dropper, infrared opposite-radiation device and meter Amount control system, percolating water can be changed into water droplet carries out infrared opposite-radiation counting, automatic calculation interval accumulated water volume and drop Speed, and be compared with the parameter value that can be set, the dropping speed of regulation control in time, it is ensured that lysimeter percolating water is accurately counted Amount is discharged with stabilization, and water metering accuracy, ageing and stability are high.Simultaneously can monitoring situation, setting and modifying work ginseng Count, storage shows Monitoring Data, monitor abnormal conditions simultaneously and alarm, realize lysimeter percolating water automatic monitoring, equipment is certainly Dynamicization degree is high.
Brief description of the drawings
Fig. 1 is the structural representation of the lysimeter percolating water drip metering control device of the embodiment of the present invention.
Fig. 2 is the fundamental diagram of the lysimeter percolating water drip metering control device of the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is discussed in detail below in conjunction with the accompanying drawings.
As shown in Figure 1-2, present embodiment discloses a kind of lysimeter percolating water drip metering control device, including compartment 1st, dropper 2, infrared opposite-radiation device 3 and metering control system 4;Dropper 2 is installed in the U-shaped groove 13 of the left end of compartment 1, Dropper 2 is provided with infrared opposite-radiation device 3, and infrared opposite-radiation device 3 is fixed on the U-shaped groove 13 of compartment 1 by U-shaped card ring 31 On, metering control system 4 is arranged in the waterproof case 12 of the right-hand member of compartment 1;Metering control system 4 is counted with infrared opposite-radiation Device 3 is electrically connected, and receives droplet count pulse signal, while metering control system 4 is electrically connected with the electromagnetic clamp 27 of setting on dropper 2 Connect, for controlling dropper 2 to measure the flow velocity of water.
Compartment 1 includes watertight panel 11, waterproof case 12, and the left end of waterproof case 12 is provided with U-shaped groove 13, for installing Dropper 2, and fixed by the upper fixing card 14 and lower fixing card 15 that are provided with U-shaped groove 13, compartment 1 is positive anti- Water panel 11 is fixed on waterproof case 12 by waterproof pad 16 and fixed screw 17, and measure control is provided with watertight panel 11 The Input/Output Device hole of system 4.
Dropper 2 includes water inlet pipe 21, drop kettle 22, water dropper 23, drainpipe 26 and electromagnetic clamp 27;Metrological moisture enters Water pipe 21, water droplet 24 is formed by water dropper 23, is come together in the bottom aqueous 25 of drop kettle 22, is discharged through drainpipe 26.Drainpipe 26 are provided with electromagnetic clamp 27, for controlling metering water flow velocity.
Infrared opposite-radiation device 3 is by U-shaped card ring 31, infrared emission tube 32, infrared receiver tube 33 and drop impulse circuit 34 compositions;U-shaped card ring is located on dropper drop kettle, drop kettle outside is looped around, highly positioned at dropper water dropper and water level Between, and it to be fixed on the U-shaped groove of compartment, during making, U-shaped card ring is looped around after drop kettle outside places, then by drop Device drop kettle is installed in groove and fixed.It is located on U-shaped card ring 31 outside drop kettle 22 and is respectively provided on two sides with infrared emitting relatively Pipe 32 and infrared receiver tube 33, drop impulse circuit 34 are installed in the waterproof case 12 at the back side of U-shaped card ring 31, and with it is infrared Line transmitting tube 32 and infrared receiver tube 33 are electrically connected.
Metering control system 4 by microprocessor 41, real-time clock 42, buzzer 43, relay indicating light 44, display 45, Keyboard 46, data communication mouthful 47 and battery case 48 are constituted;Microprocessor 41 is electrically connected with the drop impulse circuit of infrared opposite-radiation device 3 Connect, for receiving drop pulse signal, while electrically connected with the electromagnetic clamp 27 on the drainpipe 26 of dropper 2, for controlling drop Device 2 measures water flow velocity;The output end of microprocessor 41 is connected with relay indicating light 44, display 45, buzzer 43, operable Situation shows, data and parameter manipulation presentation of information and exceptional state alarm;The input of microprocessor 41 is connected with real-time clock 42 and keyboard 46, real-time clock 42 provides temporal information for system, and settable modification systematic parameter, issue are input into by keyboard 46 Instruction etc.;Microprocessor 41 is provided with data communication mouthful 47, can carry out data communication with the external world;Battery case 48 passes through 1.5V dry cells Respectively infrared opposite-radiation device 3 and microprocessor 41 are directly powered, and are real-time clock 42, buzzer by microprocessor 41 43rd, relay indicating light 44, display 45, keyboard 46 and electromagnetic clamp 27 are powered indirectly.
A kind of accurate, the ageing strong, stability of counting of present invention offer is strong, the lysimeter percolating water meter of high degree of automation Amount control device.
The operation principle of lysimeter percolating water drip metering control device of the present invention:
Lysimeter percolating water is flowed into by water inlet pipe 21, and liquid is changed into water droplet 24 through water dropper 23, comes together in the bottom of drop kettle 22 In aqueous 25;Water droplet is monitored during whereabouts by infrared opposite-radiation device 3, and the infrared ray of the transmitting of infrared emission tube 32 is by under Overboard drop is blocked, and after being received through infrared ray adopter 33, the incoming impulse circuit 34 of optical signal is produced into a pulse signal;Pulse The pulse signal of collection is passed to microprocessor 41, the time record that microprocessor 41 is provided using real-time clock 42 by circuit 34 Umber of pulse is droplet velocities in unit interval, is input into keyboard 46 or the measuring parameter of data communication mouthful 47 external equipments setting enters Row compares, and outputs signal to electromagnetic clamp 27 with controlling switch amount, reaches the purpose of control dropping speed.
Microprocessor 41 can be input into or the setting of 47 external equipments of data communication mouthful or modification measuring parameter by keyboard 46, together When the parameter of the data of acquisition process and setting and modifying is stored, and shown by display 45;Microprocessor 41 With automatic monitoring function, and by relay indicating light 44 show power supply power, drip metering, drop state of a control, such as work There is exception in state, then corresponding indicator lamp starts flicker, and sends alarm signal by buzzer 43, now microprocessor 41 The termination percolating water drip metering of electromagnetic clamp 27 is closed in directly output out code by force, waits staff on duty.
According to above-mentioned operation principle, water amount of seepage is multiplied by the volume of a drop water equal to the umber of pulse of the record of microprocessor 41, For the error for overcoming water droplet to measure, water amount of seepage can be accurately measured using drop accumulated counts, reduce systematic error;During unit The umber of pulse of interior record is droplet velocities, if the actual value of record is more than original setting value, microprocessor 41 can basis Actual value is added to 27 1 corresponding forward voltages of electromagnetic clamp with the difference of setting value, makes the switching value of electromagnetic clamp 27 diminish to subtract Small droplet velocities, if the actual value of record is less than original setting value, microprocessor 41 is then added to 27 1 correspondences of electromagnetic clamp Revers voltage, quantitative change is big to increase droplet velocities to switch electromagnetic clamp 27, the drop number of thus intelligent control metering liquid.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic. All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention Within protection domain.

Claims (5)

1. a kind of lysimeter percolating water drip metering control device, it is characterised in that including compartment, dropper, infrared ray pair Emitter and metering control system;The dropper is located in the U-shaped groove of compartment left end, and the dropper is provided with infrared ray To emitter, metering control system is arranged in the waterproof case of compartment right-hand member;Metering control system and infrared opposite-radiation device electricity Connection, receives droplet count pulse signal, and the metering control system is electrically connected with the electromagnetic clamp set on dropper, for controlling Dropper processed measures the flow velocity of water.
2. lysimeter percolating water drip metering control device according to claim 1, it is characterised in that the compartment bag Watertight panel and waterproof case are included, waterproof case left end is provided with U-shaped groove, for installing dropper, and by being set in U-shaped groove The upper fixing card and lower fixing card having are fixed, and the positive watertight panel of compartment is fixed on waterproof case, watertight panel On be provided with metering control system Input/Output Device hole.
3. lysimeter percolating water drip metering control device according to claim 1, it is characterised in that the dropper bag Include water inlet pipe, drop kettle, water dropper, drainpipe and electromagnetic clamp;The water inlet pipe by stretching into above in the drop kettle, the water dropper Positioned at the bottom of water inlet pipe, the drop kettle bottom is provided with drainpipe, and drainpipe is provided with electromagnetic clamp.
4. lysimeter percolating water drip metering control device according to claim 1, it is characterised in that the infrared ray pair Emitter is made up of U-shaped card ring, infrared emission tube, infrared receiver tube and drop impulse circuit;U-shaped card ring is located at dropper point On drop kettle, drop kettle outside is looped around, highly between dropper water dropper and water level, and is fixed on the U-shaped groove of compartment On, it is respectively equipped with infrared emission tube and infrared receiver tube, drop impulse circuit positioned at drop kettle opposite sides on U-shaped card ring It is installed in the waterproof case at the U-shaped card ring back side, and is electrically connected with infrared emission tube and infrared receiver tube.
5. lysimeter percolating water drip metering control device according to claim 1, it is characterised in that the measure control System is made up of microprocessor, real-time clock, buzzer, relay indicating light, display, keyboard, data communication mouthful and battery case; Microprocessor is electrically connected with the drop impulse circuit of infrared opposite-radiation device, for receiving drop pulse signal, while and dropper Electromagnetic clamp electrical connection on drainpipe, for controlling dropper to measure water flow velocity;Output end of microprocessor is connected with work instruction Lamp, display, buzzer;Microprocessor input is connected with real-time clock and keyboard, and real-time clock provides time letter for system Breath, by the settable modification systematic parameter of input through keyboard, issue instruction;Microprocessor is provided with data communication mouthful, can enter with the external world Row data communication, is provided with battery for device is powered in the battery case.
CN201710156505.0A 2017-03-16 2017-03-16 Water leakage drip metering control device of lysimeter Active CN106919191B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110487991A (en) * 2019-09-11 2019-11-22 西南交通大学 A kind of soil agreegate water droplet impingement slaking test device and test method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110487991A (en) * 2019-09-11 2019-11-22 西南交通大学 A kind of soil agreegate water droplet impingement slaking test device and test method
CN110487991B (en) * 2019-09-11 2023-08-15 西南交通大学 Soil aggregate water drop impact disintegration test device and test method

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