CN201297950Y - A tension meter type shallow groundwater level dynamic device - Google Patents
A tension meter type shallow groundwater level dynamic device Download PDFInfo
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- CN201297950Y CN201297950Y CNU2008202222764U CN200820222276U CN201297950Y CN 201297950 Y CN201297950 Y CN 201297950Y CN U2008202222764 U CNU2008202222764 U CN U2008202222764U CN 200820222276 U CN200820222276 U CN 200820222276U CN 201297950 Y CN201297950 Y CN 201297950Y
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Abstract
The utility model relates to a shallow groundwater level dynamic automatic measuring device, which has constructional features that holes are provided on the casing tube and the pipe wall, the bottom is screwed with a rubber stopper, the outer wall of pipe is wrapped with a woven net; in the casing tube, sand gravel is filled at the above the rubber stopper, one end of the three-way probe is open and incorporated with a clay pipe extending in the casing tube and located above the sand gravel, one open end is provided with a piezoresistive transducer, in which air supporting water is incorporated, the other open end is screwed with a cover, and the three-way probe is fixed by a stand; the piezoresistive transducer is connected to a water level dynamic variation recorder through wires, 232 data line is connected to the water level dynamic variation recorder jack of the notebook-type computer. The utility model has simple structure and easy operation; can timing on-line automatically acquire the shallow groundwater level dynamic data, know and control the dynamics of groundwater flow, give out accurate and real time monitoring data according to the water level dynamic variation recorder, and provide scientific proof for water level dynamic variation of shallow groundwater in Hexi measured regions.
Description
Technical field
The utility model belongs to the electronic device of water level dynamic change survey record under a kind of shallow-layer, the dynamic auto measurement mechanism in especially a kind of shallow ground water position.
Background technology
The area, Hexi Corridor in Gansu Province is the tie of China great Northwest, and light, thermal resource are abundant here, and land resource is abundant, and the agricultural production basis better.Southern areas, Hexi prefecture Qilian Mountain Area has relatively abundanter rainfall resource and glacier resource, has been classified as the key area of agricultural construction by country, is in important strategic position in the exploitation great Northwest.But the Hexi prefecture is positioned at the NORTHWEST CHINA arid area, the weather arid, and the precipitation rareness, evaporation is strong, ecosystem fragility.Formed a natural barrier that blocks water by northern foot, the Qilian mountains, make the most underground runoff of Qilian Mountain Area can not directly enter the basin, main by phreatic " seepage ", and phreatic main Source Of Supply is the seepage from the surface water of Qilian Mountain Area, and the increment of natural rainfall is very little.Have only the underground water with seepage to be converted into river rising in Ningxia and flowing into central Shaanxi, face of land stream, collect in out the mountain pass by the river and concentrate discharge, the Hexi prefecture, Plain, corridor in front of the mountains of drought and water shortage could be benefited.
Three big continental river water systems of Hexi prefecture, because tectonic structure, natural conditions vertical zoning rule, by the source to lower reaches two the diverse runoff of the character districts that generally will flow through, be that runoff forms district and the lost district of runoff, flow through several different, clocklike landforms petrofacies band, i.e. massif district, proluvial-alluviation in front of the mountains or geomorphic units such as alluviation lacustrine plain and desert; On petrofacies, should be fine sand and flour sand in crack basement rock, macropore proluvial gravel, the alluviation mutually, thereby phreatic buried depth is distributed have from front of the mountains to center, basin from depth to shallow rule gradually.Massif district river majority is the drain passage of mountain area bedrock fracture water, and underground water almost all is converted into surface water before coming out of retirement and taking up an official post in the river, outside the river course flows out the mountain; After the river enters pediment plain, a large amount of seepages of surface water then recharge groundwater, underground water overflows ground with the spring form again under proper condition then, becomes surface water, and the main supply that becomes plain tract is the source not.The conversion process of this river-underground water-river is the basic mode of the landlocked river basin of arid biogeographic zone water cycle motion from top to bottom, has general character.The plains region, Hexi Corridor is the tectonic basin of row more than distributive province, so the water resource conversion process of " infiltration ", " overflowing " can repeat repeatedly.
Summary of the invention
In order to find out the water level dynamic change of Hexi prefecture shallow ground water, the purpose of this utility model is to provide a kind of tensiometer formula shallow ground water position dynamic apparatus, the water level dynamic change of monitoring Hexi prefecture shallow ground water, image data, analysis-by-synthesis provides scientific basis for reasonably utilizing west of a river water resource.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of tensiometer formula shallow ground water position dynamic apparatus, mainly by threeway inserting tube, support, sleeve pipe, vitrified-clay pipe, piezoresistive transducer, water level dynamic change register, 232 pass the number line connects the notebook computer composition.The cover tube wall is porose, and the bottom is rotary with rubber stopper, the parcel mesh grid of the tube wall outside; In the sleeve pipe, rubber stopper top is filled with husky sandstone, and threeway inserting tube one end opening is equipped with vitrified-clay pipe and stretches in the sleeve pipe, vitrified-clay pipe is positioned on the husky sandstone, and an end opening place is provided with piezoresistive transducer, and the holder air water is housed in the pipe, other end opening is rotary with lid, and the threeway inserting tube is fixed with support; Piezoresistive transducer is connected with water level dynamic change register by lead, and 232 pass the number line connects notebook computer water receiving position dynamic change register socket.
Above-mentioned sleeve bottom is filled with the husky sandstone of 1.0-1.5cm.
The beneficial effect of advantage of the present utility model and generation is:
1, apparatus structure is simple, and is easy to operate, and vitrified-clay pipe is a porous body, only allows moisture to pass through, but airtight.The holder air water is housed in the sleeve pipe, the inner negative pressure that produces, in vitrified-clay pipe stretches into sleeve pipe in the water, piezoresistive transducer transmits pressure through water, and the variation in water pressure information that SEA LEVEL VARIATION causes is transferred to electric signal, the underground water table dynamic changing process can be write down rapidly, continuously, mass data can be obtained.
2, on-line automatic image data regularly, it is dynamic to understand the grasp groundwater flow, alleviate artificial labor service, provide accurate and real-time Monitoring Data, for the water level dynamic change of the tested regional shallow ground water in the west of a river provides scientific basis according to water level dynamic change register;
3, help findding out from the Qilian mountains in front of the mountains the seepage of surface water to center, the basin rule of phreatic from depth to shallow water level dynamic change gradually; For rational exploitation underground water, the protection groundwater resource promote that west of a river regional economy continues, stable development will produce certain positive role.
Description of drawings
Fig. 1 is a synoptic diagram of the present utility model.
Fig. 2 is that device is at groundwater profile.
Embodiment
Below, in conjunction with the accompanying drawings the utility model is further described again:
Shown in Fig. 1-2, a kind of tensiometer formula shallow ground water position dynamic apparatus mainly passes the number line by threeway inserting tube 2, support 3, sleeve pipe 4, vitrified-clay pipe 12, piezoresistive transducer 7, water level dynamic change register 8,232 and connects notebook computer 9 compositions.Sleeve pipe 4 tube walls are porose 10, and the bottom is rotary with rubber stopper 6, the parcel mesh grid 5 of the tube wall outside; In the sleeve pipe 4, rubber stopper 6 tops are filled with husky sandstone 11, and threeway inserting tube 2 one end openings are equipped with vitrified-clay pipe 7 and stretch in the sleeve pipe 4, vitrified-clay pipe 7 is positioned on the husky sandstone 11, and an end opening place is provided with piezoresistive transducer 3, and the holder air water is housed in the pipe, other end opening is rotary with lid 1, and threeway inserting tube 2 usefulness supports 3 are fixing; Piezoresistive transducer 7 is connected with water level dynamic change register 8 by lead, and 232 pass the number line connects notebook computer 9 water receiving position dynamic change registers 8 sockets.
Bore a center pit desiring the geodetic district, the outside is wrapped up the sleeve pipe 4 of mesh grid and directly put into, it is following or more than the abundance of water position that vitrified-clay pipe 2 occupy low water level, transmits pressure through water, and threeway inserting tube 2 water levels change up and down and can be tested by WATER LEVEL CHANGES: h=H-h
1... (1), wherein H-by the distance of center sensor to underground water table, h1-center sensor is to the distance on ground, h
1For known, as long as recording H, we just know the h water level, because underground water table is among the dynamic change, the sensor output voltage that the downward pulling force of water column is produced in the sensor 7 is in continuous variation, mensuration by output voltage, can calculate water column H height, because sensor voltage and water colunm height are linear relationship, through linearity return constant a, b, H=aV+b, H-water column height, V-output voltage, and then calculate underground water table h by (1) formula, and by 232 pass the number lines connect notebook computer 9 with groundwater velocity, flow to dynamic change and appear before one's eyes out with curve map.
Claims (2)
1, a kind of tensiometer formula shallow ground water position dynamic apparatus, mainly by threeway inserting tube (2), support (3), sleeve pipe (4), vitrified-clay pipe (12), piezoresistive transducer (7), water level dynamic change register (8), 232 pass the number line connects notebook computer (9) composition, it is characterized in that sleeve pipe (4) tube wall porose (10), the bottom is rotary with rubber stopper (6), the parcel mesh grid (5) of the tube wall outside; In the sleeve pipe (4), rubber stopper (6) top is filled with husky sandstone (11), threeway inserting tube (2) one end openings are equipped with vitrified-clay pipe (7) and stretch in the sleeve pipe (4), vitrified-clay pipe is positioned on the husky sandstone (11), one end opening place is provided with piezoresistive transducer (3), the holder air water is housed in the pipe, and other end opening is rotary with lid (1), and threeway inserting tube (2) is fixing with support (3); Piezoresistive transducer (7) is connected with water level dynamic change register (8) by lead, and 232 pass the number line connects notebook computer (9) water receiving position dynamic change register (8) socket.
2,, it is characterized in that sleeve pipe (4) bottom is filled with the husky sandstone (11) of 1.0-1.5cm according to the described a kind of tensiometer formula shallow ground water of claim 1 position dynamic apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202222764U CN201297950Y (en) | 2008-10-21 | 2008-10-21 | A tension meter type shallow groundwater level dynamic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202222764U CN201297950Y (en) | 2008-10-21 | 2008-10-21 | A tension meter type shallow groundwater level dynamic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297950Y true CN201297950Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202222764U Expired - Fee Related CN201297950Y (en) | 2008-10-21 | 2008-10-21 | A tension meter type shallow groundwater level dynamic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297950Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494730A (en) * | 2011-12-20 | 2012-06-13 | 鞍钢集团矿业公司 | Auxiliary device for observing water level by tailing pond saturation line and construction method |
| CN102829838A (en) * | 2012-08-27 | 2012-12-19 | 中国农业科学院农业环境与可持续发展研究所 | Automatic recording instrument of underground water level |
| US10208585B2 (en) | 2015-08-11 | 2019-02-19 | Intrasen, LLC | Groundwater monitoring system and method |
-
2008
- 2008-10-21 CN CNU2008202222764U patent/CN201297950Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494730A (en) * | 2011-12-20 | 2012-06-13 | 鞍钢集团矿业公司 | Auxiliary device for observing water level by tailing pond saturation line and construction method |
| CN102829838A (en) * | 2012-08-27 | 2012-12-19 | 中国农业科学院农业环境与可持续发展研究所 | Automatic recording instrument of underground water level |
| US10208585B2 (en) | 2015-08-11 | 2019-02-19 | Intrasen, LLC | Groundwater monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20091123 |