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Trough body flow detecting plate type intelligent device preparation

A technology of flow detection and intelligent device, applied in the direction of measurement device, liquid/fluid solid measurement, measurement flow/mass flow, etc., to achieve the effect of reducing cost, simple structure, and expanding the scope of application

Inactive Publication Date: 2008-03-26
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] 1. Solve problems that cannot be solved by existing technologies, such as sensor stability, reliability and wide adaptability for use under harsh conditions

Method used

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  • Trough body flow detecting plate type intelligent device preparation
  • Trough body flow detecting plate type intelligent device preparation
  • Trough body flow detecting plate type intelligent device preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0054] Embodiment 1: A trough-type flow detection smart sensor designed for coking plants. The Parshall flume is designed according to the basic law of Bernoulli's principle of open channel fluid mechanics, and the flow flume with a maximum flow rate of 250L / S is designed, and the fluid level in the flume varies between 0.03m and 0.60m. The water tank is made of glass fiber reinforced plastic, and the tank body consists of three parts: a uniform shrinkage section 9 with a horizontal bottom surface upstream of the throat, a throat section 13 with a descending slope bottom surface and side widths that are narrow and parallel to each other, and a uniform diffusion section 10 downstream with a rising slope bottom surface Composition; a dovetail groove 14 is opened at the position where the contraction section is two-thirds away from the Houdao section, so that the plate-type intelligent sensor 11 is embedded in the groove, and the plate-type intelligent sensor 11 is divided into tw...

Embodiment approach 2

[0055] Embodiment 2: A trough-type flow detection smart sensor designed for sewage plants. Design a flow tank with a maximum flow rate of 4000L / S, and the fluid level in the tank varies between 0.08m and 0.80m. The water tank is made of glass fiber unsaturated polyester composite material, and the sensor structural shell is made of plastic insulating material. Finally, the circuit chip part, the internal circuit and the structural shell are cast into a plate sensor with plastic waterproof insulating material. The front of the plate 100 MFC7710B detection chips, 1 MFC7720B signal processing chip, 1 nRF401 wireless sending circuit board and 1 power supply circuit board are installed. There are 800 sampling sensing points fixed on the back of the chip, and the others are the same as Embodiment 1.

Embodiment approach 3

[0056] Embodiment 3: A trough-type flow detection smart sensor designed for irrigation areas. Design a flow tank with a maximum flow rate of 93040L / S, and the fluid level in the tank varies between 0.09m and 1.83m. The water tank is designed according to the basic law of Bernoulli's principle of open channel fluid mechanics and built with cement. The plate-type intelligent sensor is built on the wall of the constriction section of the water tank. The internal chip skeleton of the sensor is made of epoxy resin board. There are 240 MFC7710B detection chips, 1 MFC7720B signal processing chip, 1 nRF401 wireless sending circuit board and 1 power supply circuit board installed on the front of the board. There are 1900 sampling sensing points fixed on the back of the chip. The vertical resolution of the sensing point detection is 1mm, and it is made of nickel-chromium alloy. When installing, the centerline of the sink coincides with the centerline of the channel, so that the wate...

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Abstract

The invention relates to a sensor and preparation for sewage flux detection. It is used for the water flux auto-detection, control and management in the city environment protection, mine, metallurgy, constructing material, electric power and chemical industry. The device is made up of the open-channel flux slot and the board intelligent sensor. The open-channel flux slot is designed according to the open-channel hydrodynamics Bernoulli's theory. The board intelligent sensor is divided into two parts: one part is signal detection part; the other is intelligent data processing part and the wireless data transforming part. The detection signal is not been influence by the temperature and pressure. The detection error is small and stable, reliable. It is not adhered by the mud and sewage. It is convenience to be installed, used and maintained. It is proper for the flux meter of the wild open-channel and the cloacae out.

Description

1. Technical field [0001] The preparation of a plate-type intelligent device for detecting sewage flow in a tank according to the invention belongs to the technical field of automatic detection, and is specifically a sensor for detecting sewage flow. 2. Background technology [0002] At present, there are many technologies and products used in sewage flow detection at home and abroad. According to different measurement conditions and measurement purposes, the sewage flowmeters currently used mainly include the following types: differential pressure flowmeter, positive displacement flowmeter, rotor type Flowmeter, waterwheel flowmeter, electromagnetic flowmeter, ultrasonic flowmeter, open channel flowmeter, etc. A brief introduction is given below: [0003] 1. Differential pressure flowmeter [0004] The differential pressure flowmeter is also called the water head velocity flowmeter, which indirectly measures the flow velocity by measuring the water head difference. The m...

Claims

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Application Information

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IPC IPC(8): G01F1/704G01F15/00G01F15/06G08C17/02
Inventor 马福昌马珺贾秀美
Owner TAIYUAN UNIV OF TECH
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