Device for measuring pressure of drip irrigation belt

Abstract

The invention relates to the technical field of pressure measuring devices, in particular to a device for measuring pressure of a drip irrigation belt. The device comprises a fixed frame body, a pressure transmission rod, a pointer, a pressure receptor, a compression spring, a drip irrigation belt fixing device and a scale device, wherein the fixed frame body is in a shape of a portal frame, a mounting hole is formed in the upper end of the fixed frame body, a horizontal pointer is fixedly mounted at the upper end of the pressure transmission rod, and the lower end of the pressure transmission rod passes through the mounting hole to be fixedly mounted together with the upper end of the pressure receptor. The device provided by the invention is reasonable and compact in structure and easy to use, pressure of the drip irrigation belt under the drip irrigation condition can be accurately measured, design reasonability, operation reliability and irrigation uniformity of a drip irrigation project can be better evaluated by virtue of the pressure value of the drip irrigation belt, and conditions are provided for precision irrigation under the drip irrigation condition, so that further development of a drip irrigation technology is promoted, a powerful guarantee is provided for construction of a water-saving society in China, and the device provided by the invention has broad market application prospect.

Description

Technical field [0001] The invention relates to the technical field of pressure measuring devices, and is a drip irrigation belt pressure measuring device. Background technique [0002] Drip irrigation is the use of a pipeline system to transport water and nutrients needed by crops evenly to the roots of the crops through the irrigator installed on the drip irrigation belt. Drip irrigation technology is currently the most effective water-saving irrigation method in dry and water-deficient areas, and the water utilization rate is as high as 95%. However, with the requirement of building a water-saving society in our country, people put forward higher requirements for drip irrigation projects. How to achieve precise control of drip irrigation projects and transform drip irrigation from a water-saving irrigation technology to a water-saving precision irrigation technology must be controlled The water flow at the end of the drip irrigation project, the water flow at the end is relat...

AI Technical Summary

Problems solved by technology

However, with the requirements of building a water-saving society in our country, people put forward higher requirements for drip irrigation projects. How to realize the precise control of drip irrigation projects and transform drip irrigation from a water-saving irrigation technology to a water-saving precision irrigation technology must be controlled. The water flow at the end of the drip irrigation project is related to the inlet pressure of the emitter, but how to accurately judge the inlet pressure of the emitter, especially the specific value of the inlet pressure of the emitter quickly and accurately, the current equipment in this area The product is still blank

At the same time, the standard flow rate of the drip irrigation emitter is under the rated working condition. The drip irrigation belt is under too much pressure, which will cause damage to the capillary, such as tearing, water leakage from the emitter, or even pipe burst; the pressure of the drip irrigation belt is too small. It will cause small capillary flow rate, prolong irrigation time, fail to achieve the design purpose, and cannot normally implement the irrigation system of the irrigation area. Moreover, the flow rate in the capillary tube is low, which may easily cause large-scale blockage of the emitter, etc.

Therefore, whether the pressure value of the drip irrigation belt can be measured is of great significance to the drip irrigation project. However, there is no equipment or instrument specially used to measure the pressure of the drip irrigation belt under the condition of drip irrigation.

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