Automatic staged continuous timing sampling instrument and method for vegetable field rainfall runoff

A timed sampling and staged technology, applied in instruments, sampling, sampling devices, etc., can solve the problems of cumbersome, heavy workload, and unreachable, and achieve the effect of convenient operation and high degree of automation

Pending Publication Date: 2017-01-25
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The workload is too heavy and cumbersome for manual collection, and the above-m

Method used

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  • Automatic staged continuous timing sampling instrument and method for vegetable field rainfall runoff
  • Automatic staged continuous timing sampling instrument and method for vegetable field rainfall runoff
  • Automatic staged continuous timing sampling instrument and method for vegetable field rainfall runoff

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Embodiment Construction

[0022] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments, so as to better understand the present invention. The technical features of the present invention can be combined with each other if there is no conflict.

[0023] Such as figure 1 and 2As shown, a vegetable field rainwater runoff automatic staged continuous timing sampler, its components mainly include the first rain sensor 1, liquid level console 2, liquid level console cover 3, liquid level console drain hole 4, rainwater Interception platform 5, liquid level control hole 6, second rain sensor 7, sensor activity room 8, support frame 9, peristaltic pump fixing frame 10, DC motor 11, peristaltic pump 12, sampling bracket 13, liquid level sensor 14. Sampling tank 15, turntable 16, turntable bracket 17, stepping motor 18, core circuit control unit 19, silicone tube 20, silicone tube hole 21, sampler housing 22 and silicone tube retentate tank ...

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Abstract

The invention discloses an automatic staged continuous timing sampling instrument and method for vegetable field rainfall runoff; a sampler initial runoff collection starter is composed of two rainfall sensors and a liquid level console; for runoff quality conditions in different periods of time during a rainstorm, sampling time interval, timed start-stop time and liquid level sensor height are controlled through a core circuit control unit to adapt to sampling under discontinuous rainfall condition during the rainstorm; a silicone tube retained liquid waste tank is disposed in the center of a sampling tank; samples in the periods of time are not affected by those in the previous periods of time, water sample collection is more accurate, and a time process in which runoff quality is affected by a rainstorm can be monitored more precisely; the automatic staged continuous timing sampling instrument is high in automation level, and may provide automatic staged intermittently-continuous sampling for vegetable field rainfall runoff in a single rainfall.

Description

technical field [0001] The invention belongs to the technical field of environmental monitoring, and in particular relates to an automatic stage-by-stage continuous timing sampler for rainwater runoff in a vegetable field and a method thereof. Background technique [0002] After the rainfall, the runoff formed in the vegetable field will take away some elements such as nitrogen and phosphorus in the soil, which will collect in the river and cause water pollution. Therefore, we must figure out the fertilization of vegetable fields and the impact of heavy rain on runoff water quality. In the current market, devices related to the collection of runoff samples from vegetable fields are also constantly developing. For example, the application number is 201110254031.6, the name is a sequential sampler for runoff water, and the patent publication number is 102419270A. The interval uses the controller to control the operating time of the electric actuator unit to automatically and ...

Claims

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Application Information

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IPC IPC(8): G01N1/10G01N1/14G05B19/05
CPCG05B19/054G01N1/10G01N1/14G01N2001/1031
Inventor 林琦陈乾戴震班张富强楼莉萍田光明梁新强杨京平
Owner ZHEJIANG UNIV
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