CN2174033Y - Controlling apparatus for water content of soil - Google Patents
Controlling apparatus for water content of soil Download PDFInfo
- Publication number
- CN2174033Y CN2174033Y CN 93212718 CN93212718U CN2174033Y CN 2174033 Y CN2174033 Y CN 2174033Y CN 93212718 CN93212718 CN 93212718 CN 93212718 U CN93212718 U CN 93212718U CN 2174033 Y CN2174033 Y CN 2174033Y
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- CN
- China
- Prior art keywords
- water
- mercury
- pipe
- soil
- alms bowl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a controlling apparatus for automatic watering of bowl soil and measurement and maintenance of soil moisture of the bowl soil, comprising clay pipes, connection pipes, air collecting pipes, negative pressure guide pipes and a mercury column which are mutually hermetically connected. The utility model is characterized in that the lower end of the mercury column is provided with a water inflow control switch which is controlled by the altitude difference changes of the mercury column, and the water inflow control switch is composed of a sealed bursa which is communicated with the mercury column and a three-way pipe with water inflow and outflow connecting mouths.
Description
The utility model relates to a kind of automatic watering and mensuration of basin alms bowl soil and keeps the control device of basin alms bowl soil moisture.
At present,, still need by artificial timing every day to the mensuration of the evaporation of basin alms bowl soil moisture and pot plant moisture content transpiration rate and water consumption rule etc., the weighing of regularly watering, not only labour intensity is big, and measuring accuracy is not high." agrology progress " 1992 second phases had once been introduced the basin alms bowl soil moisture holdout device of Australian development, promptly establishing some water-suction ropes on the basin alms bowl and making on its support that places certain altitude, support configuration one cistern down changes the water content of soil by regulating water-suction rope length, and need change water-suction rope weekly one time.This device is not only installed inconvenience, uses trouble, and function singleness; " soil " 1987 the 6th phases disclose that mercury that Nanjing of China soil developed touches can point type soil moisture sensor, it is to move by the contact switch that the negative pressure variation that produces in the vitrified-clay pipe makes the mercury control of doing corresponding discrepancy in elevation variation be positioned at corresponding height, to connect power supply and to control water pumper work.This device only is by the control apparatus switch and then controls water pumper work indirectly, and can not adjust the discrepancy in elevation of mercury.There is not function of measuring again, so, can only be applicable to the automatic irrigation in field, can not in basin alms bowl soil control water and test analysis field, use.
The purpose of this utility model is to provide a kind of control convenient, adjusts flexibly, has the basin alms bowl soil moisture control device of direct control Inlet and outlet water function and function of measuring.
The utility model is to improve development to form on the basis of the tensometer of existing mensuration soil moisture, it comprises the vitrified-clay pipe that is tightly connected each other, take over, discharge, negative pressure catheter and mercury, its main points are to have connected in the lower end of mercury to be subjected to the mercury discrepancy in elevation to change the water inlet gauge tap of control, when producing negative pressure variation in the vitrified-clay pipe and make mercury the corresponding discrepancy in elevation occur when changing, this water inlet gauge tap will open or cut out variation accordingly, directly to finish the automatic control function of Inlet and outlet water, another main points of this programme are below above-mentioned water inlet gauge tap, set quantitative water controller, this quantitative water controller can be store the current that connect from the output of water inlet gauge tap, and the amount of water of controllable adjustable and measurement flow engagement alms bowl soil, to realize quantitatively controlling function.Above-mentioned vitrified-clay pipe, take over, after being tightly connected each other, discharge and negative pressure catheter need be full of air free water (cold boiling water or distilled water), the mercury of this programme is a flexible pipe body, so that the corresponding discrepancy in elevation is determined in the soil water potential adjustment of soil during according to required pouring water, mercury is " U " shape vertical fixing, its upper end is communicated with negative pressure catheter, the lower end is connected with the water inlet gauge tap, the quantitative water controller of this programme is located at the into below of water gauge tap, when the water inlet gauge tap is opened, it can connect in the current that this switch flows out in storage, and basin alms bowl soil is quantitatively added water and finishes function of measuring.According to above-mentioned structure, the operation principle of this programme is when the negative pressure variation that produces in the vitrified-clay pipe during less than the original discrepancy in elevation of mercury, mercury is not done the variation of rising or falling after rise in the high pressure range of adjusting according to the soil water potential of this soil in advance, water inlet switch is closed, quantitatively water controller is not worked, during when vitrified-clay pipe internal cause soil temperature minimizing generation negative pressure and greater than the original discrepancy in elevation of mercury, mercury will on carry, the conducting of water inlet gauge tap, quantitatively water controller connects the current that flow out from the water inlet gauge tap with storage and also automatically quantitatively exports the basin alms bowl to, after the vitrified-clay pipe absorption is added to the moisture content of basin alms bowl, negative pressure lowers gradually in the pipe, mercury next time, when negative pressure during less than the original discrepancy in elevation of mercury, the water inlet gauge tap will cut out automatically, and quantitatively water controller also will stop to add water automatically behind the original amount of water of setting up of output.The mercury lower end that is characterised in that of the present utility model is connected to the water inlet gauge tap that is subjected to mercury discrepancy in elevation variation control, and the below of this water inlet gauge tap is equipped with quantitative water controller.
The utility model both can be used for the moisture content test of all kinds of potted plant soil, measure the transpiration rate of soil moisture evaporation discharge and plant moisture content, measure the crop need water water consumption rule in all one's life, can be used for the drought resisting research of plant again and simulate the field irrigation situation, automatically keep the required moisture content of basin alms bowl soil, also can be widely used in the moisture content research of agricultural, water conservancy, meteorological departments.This apparatus structure is simple, and is easy to use, can save great amount of manpower and be used to purchase electronic scale or the fund of the expensive weighing device of import, its practical value better.
Below, incite somebody to action in conjunction with the embodiments and accompanying drawing, the utility model is further described.
Fig. 1 is an embodiment accompanying drawing of the present utility model.
With reference to Fig. 1: the utility model mainly by vitrified-clay pipe 1, take over 2, discharge 3, negative pressure catheter 4, mercury 5, water inlet gauge tap 6 and quantitatively water controller 7 constitute.Described vitrified-clay pipe, adapter, discharge and negative pressure catheter are tightly connected each other, and the suitable for reading of discharge has a sealing-plug 8, so that the degasification water-filling, its side mouth is connected with negative pressure catheter; Mercury is encapsulated by hose body, so that adjust flexibly and determine to be suitable for the discrepancy in elevation and the shape vertical fixing that takes the shape of the letter U, its upper end can be connected with negative pressure catheter by impact bag 9, in case inflow catheter when carrying on the mercury, this impact bag just can make the into maximum action of water gauge tap do in the time of also can making the height that mercury rises or falling is very little, thus the sensitivity that improves switch.The water inlet gauge tap 6 of present embodiment is made of sealed bladder 10 and three-way pipe, sealed bladder is made control head and is used, it is communicated with the mercury lower end, the utricule sealing is arranged in the three-way pipe, all the other two ends of three-way pipe are respectively into water interface 11 and water outlet interface 12, two interfaces are inboard to be cooperated with sealed bladder simultaneously, when carrying on the mercury, contract in the membrane vesicle, advance, the conducting of water outlet interface, membrane vesicle blow-up when mercury falls after rise, the Inlet and outlet water interface is closed, the water inlet interface can directly be connected with feed pipe or water tank and should keep more stable hydraulic pressure, present embodiment is connected with the automatic control supply tank of using always 13, the water outlet interface cooperates with quantitative water controller, the quantitative water controller of present embodiment selects for use legendary small dragon with horns to inhale the formula water delivery apparatus, it comprises cistern and " ┐ " shape siphunculus 14, pipe box 15, water-supply-pipe 16, water meter 17, " ┐ " shape pipe is fixed on the wall of cistern, its end opening socket pipe box, suitable for readingly be connected with water-supply-pipe, this pipe box can be made up-down stretch and regulate, so that the cross-sectional area according to cistern is determined carrying capacity,, on water-supply-pipe, be connected in series a high accuracy water meter in order to measure each amount of water and to add water inventory.The using method of this device is earlier potter's clay to be managed Yu Zuineng to represent soil average moisture content place, generally can be embedded in the soil middle part, and the water delivery mouth of pipe placed vitrified-clay pipe top, the suction value of this soil moisture content when finding required the irrigation according to the dehydration line of the moisture content indicatrix of this soil in 0-650 millimetres of mercury scope again, and press according to the head that this suction value is considered to intake on the interface simultaneously, regulate and the discrepancy in elevation of definite mercury.Get final product work after can regulating the water yield of quantitative water controller according to required irrigation quantity at last.
Claims (4)
1, a kind of basin alms bowl soil moisture control device, comprise vitrified-clay pipe (1), adapter (2), discharge (3), negative pressure catheter (4), mercury (5) to be tightly connected, a termination that it is characterized in that mercury has the water inlet gauge tap (6) that is subjected to the mercury discrepancy in elevation to change control, and the below of this water inlet gauge tap is equipped with legendary small dragon with horns suction type quantitative water controller (7).
2, a kind of basin alms bowl soil moisture control device as claimed in claim 1, it is characterized in that described water inlet gauge tap (6) is made of sealed bladder that is communicated with mercury (9) and the three-way pipe that has into water interface (11), a water outlet interface (12), the sealing of sealing capsule is arranged in the three-way pipe.
3, get rid of a kind of basin alms bowl soil moisture control device of stating as claim 1, it is characterized in that described legendary small dragon with horns suction type quantitative water controller (7) by cistern be fixed on " ┐ " shape siphunculus (14) on the cistern, be enclosed within the siphunculus end opening pipe box (15), with siphunculus water-supply-pipe that is connected suitable for reading (16) and water meter (17) formation that is connected in series with water-supply-pipe.
4, a kind of basin alms bowl soil moisture control device as claimed in claim 1 is characterized in that the upper end of described mercury (5) is connected to impact bag (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93212718 CN2174033Y (en) | 1993-05-13 | 1993-05-13 | Controlling apparatus for water content of soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93212718 CN2174033Y (en) | 1993-05-13 | 1993-05-13 | Controlling apparatus for water content of soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2174033Y true CN2174033Y (en) | 1994-08-17 |
Family
ID=33793993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93212718 Expired - Fee Related CN2174033Y (en) | 1993-05-13 | 1993-05-13 | Controlling apparatus for water content of soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2174033Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002035917A1 (en) * | 2000-10-24 | 2002-05-10 | Zhengyu Zhang | Semiconductor condensing water automatic sprayer |
| CN102084785A (en) * | 2010-11-17 | 2011-06-08 | 万水林 | Test control technology for researching soil moisture of large-scale plants |
| CN111183880A (en) * | 2020-02-10 | 2020-05-22 | 北京农业信息技术研究中心 | Negative water head irrigation system |
-
1993
- 1993-05-13 CN CN 93212718 patent/CN2174033Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002035917A1 (en) * | 2000-10-24 | 2002-05-10 | Zhengyu Zhang | Semiconductor condensing water automatic sprayer |
| CN102084785A (en) * | 2010-11-17 | 2011-06-08 | 万水林 | Test control technology for researching soil moisture of large-scale plants |
| CN111183880A (en) * | 2020-02-10 | 2020-05-22 | 北京农业信息技术研究中心 | Negative water head irrigation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |