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Underground water pollution detection device

A groundwater pollution and detection device technology, applied in the direction of testing water, material inspection products, etc., can solve the problem of poor detection accuracy

Pending Publication Date: 2020-12-18
河北紫旭节能环保技术咨询有限公司
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Problems solved by technology

[0003] The invention proposes a groundwater pollution detection device, which solves the problem of poor detection accuracy of the groundwater pollution detection device in the prior art

Method used

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all involve the protection scope of the present invention.

[0033] Such as figure 1 As shown, it is a block diagram of the circuit principle of the groundwater pollution detection device in this embodiment, including a sensor interface circuit connected to the main control circuit 1, and the sensor interface circuit includes a signal conversion circuit 21 and an amplification circuit 22 connected in sequence,

[0034] The input end of the signal conversion circuit 21 is used to be connected with the water quality detection sensor, a...

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Abstract

The invention relates to the technical field of environmental protection, and provides an underground water pollution detection device. The device comprises a sensor interface circuit connected with amain control circuit, and the sensor interface circuit comprises a signal conversion circuit and an amplifying circuit which are connected in sequence, wherein the input end of the signal conversioncircuit is used for being connected with a water quality detection sensor; the output end of the amplifying circuit is connected with the main control circuit, the signal conversion circuit comprisesa resistor R41, an operational amplifier U5A, an operational amplifier U5B and an operational amplifier U4A, one end of the resistor R41 is connected with the current output end IN1 of the water quality detection sensor, the other end of the resistor R41 is connected with the current output end IN2 of the water quality detection sensor, and one end of the resistor R41 is further connected with theoperational amplifier U5A; and the other end of the resistor R41 is connected with the inverting input end of the operational amplifier U5B. By means of the technical scheme, the problem that in theprior art, an underground water pollution detection device is poor in detection precision is solved.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a groundwater pollution detection device. Background technique [0002] With the rapid development of my country's economy and the acceleration of industrialization and urbanization, the problem of groundwater pollution has become increasingly serious and has become the bottleneck of my country's economic development and the harmonious development of the ecological environment. For the governance and control of the water environment, not only the relevant laws and regulations and an effective supervision system are required, but also the water quality testing equipment, which is an important means of protecting the water environment and controlling water pollution, needs to be vigorously developed. Water quality detection can not only accurately reflect the situation of water quality, predict the development trend of water quality, but also provide scientific bas...

Claims

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Application Information

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IPC IPC(8): G01N33/18
CPCG01N33/18
Inventor 马秀巧姚威陈丽涛步宁卢志华边晨旭
Owner 河北紫旭节能环保技术咨询有限公司
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