CN203011477U - Water level automatically measuring device for farmland - Google Patents

Water level automatically measuring device for farmland Download PDF

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Publication number
CN203011477U
CN203011477U CN 201220736794 CN201220736794U CN203011477U CN 203011477 U CN203011477 U CN 203011477U CN 201220736794 CN201220736794 CN 201220736794 CN 201220736794 U CN201220736794 U CN 201220736794U CN 203011477 U CN203011477 U CN 203011477U
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CN
China
Prior art keywords
farmland
water level
holes
tube
water
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
Application number
CN 201220736794
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Chinese (zh)
Inventor
洪林
彭才喜
宋元胜
刘瑞鹏
杨一建
张雅杰
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Wuhan University WHU
Original Assignee
Wuhan University WHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University WHU filed Critical Wuhan University WHU
Priority to CN 201220736794 priority Critical patent/CN203011477U/en
Application granted granted Critical
Publication of CN203011477U publication Critical patent/CN203011477U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a water level automatically measuring device for farmland. The water level automatically measuring device for the farmland comprises an electronic water gauge, an outer tube with holes and a filter screen, wherein the electronic water gauge is arranged inside the outer tube with holes, and the filter screen can be wrapped outside the polyvinyl chloride (PVC) tube with holes. The water level automatically measuring device for the farmland not only can be used for measuring ground surface water levels, but also can be used for measuring underground water levels. Besides, the water level automatically measuring device for the farmland can automatically monitor and judge whether waterlogging or drought occurs or not, offers early warning for floods and droughts which possibly occur in time and reminds users to make preparations for irrigation or drainage. The water level automatically measuring device for the farmland is simple in structure, low in cost, high in degree of automation and suitable for large-scale popularization.

Description

The automatic water level measurement mechanism that is used for the farmland
Technical field
The utility model relates to agricultural water conservancy state-of-the-art technology field, more particularly, relates to a kind of automatic water level measurement mechanism for the farmland.
Background technology
The farmland bloods and droughts is huge to impact of agricultural production, causes crop failure, and the loss that brings is inestimable.And the automatic water level measurement mechanism that is used for simultaneously the floods and droughts farmland not yet occurs.And, consider that there is large-area farmland in China, manual measurement has a lot of limitations, and continuous water level monitoring can not be provided, and is not suitable for large-scale promotion.
The utility model content
For addressing the above problem, the utility model provides a kind of simple cheap automatic water level measurement mechanism that is used for the farmland, is used for farmland waterlogging, stain and drought and controls.
A kind of automatic water level measurement mechanism for the farmland that the utility model provides comprises electric water gauge, outer tube with holes and screen pack, and electric water gauge is placed in outer tube with holes, outer tube outer wrapping one deck screen pack with holes.
And in outer tube with holes, wire rope rope is in outer tube with holes top by steel wire hang for electric water gauge.
And outer tube with holes adopts pvc pipe with holes.
And electric water gauge that be used for to measure the earth's surface water level is placed in the field face with upper part pvc pipe with holes, this pvc pipe be embedded in the agricultural land soil top layer and more than; The electric water gauge that is used for the measurement underground water table is placed in the following position of field face pvc pipe with holes, and this pvc pipe is embedded in agricultural land soil top layer and following.
The utility model provides a kind of automatic water level measurement mechanism for the farmland, simple structure, it is convenient to implement, floor area is little, affect hardly plant growth, support to reflect farmland bloods and droughts situation by earth's surface water level and underground water table, can provide waterlogging, the early warning of stain drought evil for the user in conjunction with the remote computation analysis.The utility model has practical significance to improving the row's of filling automaticity.
Description of drawings
Fig. 1 is the electric water gauge scheme of installation that is used for measuring the earth's surface water level of the utility model embodiment.
Fig. 2 is the electric water gauge scheme of installation that is used for measuring underground water table of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing:
The automatic water level measurement mechanism of embodiment is measured farmland surface water level and underground water table by the electrode type electric water gauge self-timing, comprises electric water gauge, outer tube with holes and screen pack, and electric water gauge is placed in outer tube with holes, outer tube outer wrapping one deck screen pack with holes.It is the SJSY-900 type electrode type electric water gauge of 1mm that concrete device can adopt the measuring accuracy with Science and Technology Co., Ltd. of the water unit R﹠D and production of Wuhan century.Present this electric water gauge only is used for the city water level detecting, can not be used for the farmland.The utility model proposes, outer tube with holes adopts pvc pipe with holes, with electric water gauge fixedly be placed in internal diameter be 5cm be the pvc pipe with holes of 3mm with the aperture, pvc pipe outer wrapping one deck screen pack.As shown in Figure 1, when measuring the earth's surface water level, electric water gauge is fixedly installed on field soil, and the electric water gauge range is 50cm, namely realizes providing the surface water level measuring arrangement.This moment, electric water gauge was placed in the field face with upper part pvc pipe with holes, this pvc pipe be embedded in the agricultural land soil top layer and more than.As shown in Figure 2, when measuring underground water table, electric water gauge is fixedly installed under field soil, and range is 50-500cm, namely realizes supplying subsurface water level measuring arrangement.This moment, electric water gauge was placed in the following position of field face pvc pipe with holes, and this pvc pipe is embedded in agricultural land soil top layer and following.During concrete enforcement, can adopt suspension type to install, electric water gauge by lying in the steel wire hang on pvc pipe top, is so conveniently regulated the height of electric water gauge.
During concrete enforcement, the Acquisition Instrument supporting with electric water gauge can be set simultaneously, the built-in GPRS radio transmission apparatus of Acquisition Instrument.Electric water gauge gained waterlevel data is collected in the water level acquisition instrument, and by being wirelessly transmitted in the EW system server, by early warning system storage of water bit data, and can pass through the various ways demonstration waterlevel datas such as form, curve map, simultaneously by early warning system computational analysis waterlevel data, for the user provides farmland bloods and droughts early warning information, facilitate the user in time to take measures in advance.The general computer technology that adopts provides, and at far-end, the early warning system server is set and carries out the corresponding function realization.Can adopt database storage of water bit data.
For ease of implementing reference, provide the principle of work of early warning system as follows:
To the damage caused by waterlogging monitoring, the earth's surface water level Monitoring Data and the rainfall forecast that obtain are analyzed, calculate earth's surface water level variation tendency according to water balance method, differentiate damage caused by waterlogging whether occurs; Just send early warning if there is damage caused by waterlogging, automatically open the emptying gate draining, control field face flooding depth and last, to avoid damage caused by waterlogging;
To stain calamity monitoring, the water table measure data and the rainfall forecast that obtain are analyzed, according to water balance method Calculation of Groundwater position variation tendency, differentiate calamity whether occurs steeping; Just send early warning if there is the stain calamity, automatically open the emptying gate draining, the controlling groundwater level buried depth to avoid the stain calamity;
To drought monitoring, the water table measure data, Evapotranspiration of The Field seepage and the rainfall forecast that obtain are analyzed, according to water balance method Calculation of Groundwater position variation tendency, differentiate drought whether occurs; Just send early warning if there is drought, automatically open ditch shutter and pour water, control farmland underground water level and soil moisture content, to avoid drought.
Many cover automatic water level measurement mechanisms can be by radio transmitting device and the comprehensive farmland bloods and droughts early warning system of overlapping based on electric water gauge that forms of early warning system.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (4)

1. automatic water level measurement mechanism that is used for the farmland, it is characterized in that: comprise electric water gauge, outer tube with holes and screen pack, electric water gauge is placed in outer tube with holes, outer tube outer wrapping one deck screen pack with holes.
2. be used for as claimed in claim 1 the automatic water level measurement mechanism in farmland, it is characterized in that: in outer tube with holes, wire rope rope is in outer tube with holes top by steel wire hang for electric water gauge.
3. be used for as claimed in claim 2 the automatic water level measurement mechanism in farmland, it is characterized in that: outer tube with holes adopts pvc pipe with holes.
4. be used for as claimed in claim 3 the automatic water level measurement mechanism in farmland, it is characterized in that: the electric water gauge that is used for measuring the earth's surface water level is placed in the field face with upper part pvc pipe with holes, this pvc pipe be embedded in the agricultural land soil top layer and more than; The electric water gauge that is used for the measurement underground water table is placed in the following position of field face pvc pipe with holes, and this pvc pipe is embedded in agricultural land soil top layer and following.
CN 201220736794 2012-12-28 2012-12-28 Water level automatically measuring device for farmland Expired - Fee Related CN203011477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220736794 CN203011477U (en) 2012-12-28 2012-12-28 Water level automatically measuring device for farmland

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220736794 CN203011477U (en) 2012-12-28 2012-12-28 Water level automatically measuring device for farmland

Publications (1)

Publication Number Publication Date
CN203011477U true CN203011477U (en) 2013-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220736794 Expired - Fee Related CN203011477U (en) 2012-12-28 2012-12-28 Water level automatically measuring device for farmland

Country Status (1)

Country Link
CN (1) CN203011477U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115564A (en) * 2015-04-03 2015-12-02 中国电建集团贵阳勘测设计研究院有限公司 Method and device for measuring height of distance between piezometric tube level and piezometric tube orifice
CN105230451A (en) * 2015-10-16 2016-01-13 西北农林科技大学 Automatic irrigation forecasting device for water shortage of field crops
CN107132337A (en) * 2017-05-25 2017-09-05 哈尔滨工业大学深圳研究生院 Field assembled multi-layer Soil flow of water level measurement device and application method
TWI663582B (en) * 2018-07-30 2019-06-21 Taipei City University Of Science And Technology Underground water level alarm
CN111220235A (en) * 2018-11-23 2020-06-02 杭州海康威视数字技术股份有限公司 Water level monitoring method and device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115564A (en) * 2015-04-03 2015-12-02 中国电建集团贵阳勘测设计研究院有限公司 Method and device for measuring height of distance between piezometric tube level and piezometric tube orifice
CN105115564B (en) * 2015-04-03 2018-09-25 中国电建集团贵阳勘测设计研究院有限公司 The measurement method and device of a kind of piezometric level apart from pressure-measuring pipe open height
CN105230451A (en) * 2015-10-16 2016-01-13 西北农林科技大学 Automatic irrigation forecasting device for water shortage of field crops
CN105230451B (en) * 2015-10-16 2018-08-07 西北农林科技大学 A kind of field-crop water shortage irrigation automatic forecasting device
CN107132337A (en) * 2017-05-25 2017-09-05 哈尔滨工业大学深圳研究生院 Field assembled multi-layer Soil flow of water level measurement device and application method
TWI663582B (en) * 2018-07-30 2019-06-21 Taipei City University Of Science And Technology Underground water level alarm
CN111220235A (en) * 2018-11-23 2020-06-02 杭州海康威视数字技术股份有限公司 Water level monitoring method and device

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130619

Termination date: 20131228

C17 Cessation of patent right