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Capillary inlet flow regulator

An imported flow and regulator technology, applied in horticulture, botany equipment and methods, cultivation and other directions, can solve the problems of narrow working pressure range, low assembly efficiency, and high processing accuracy requirements, and achieve the increase of working pressure range and start-up adjustment. The pressure difference is reduced and the effect of pressure compensation is realized

Active Publication Date: 2013-04-24
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Generally speaking, the flow passage structure of the flow regulator is one of the main factors affecting its performance. The existing capillary inlet flow regulator flow passage structure in the market has defects, the flow regulation performance is not ideal, and the starting pressure difference is shown. Disadvantages such as too large, insufficient flow stability, and narrow suitable working pressure range; cylindrical silicone tubes or other complex elastic regulators require high processing accuracy, and manufacturing deviations are not easy to control, resulting in unstable performance of the flow regulator , low assembly efficiency

Method used

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Examples

Experimental program
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Embodiment 1

[0030] Such as figure 1 , figure 2 As shown, the first embodiment includes a water outlet base 1, a water inlet cover 2, a core seat 3, and a disc-shaped elastic diaphragm 4.

[0031] Such as figure 1 , figure 2 As shown, the water outlet base 1 is a cylindrical pipe. The side wall of the water outlet base 1 is provided with a circular hole 11. The outer wall of the water outlet base 1 in the circumferential direction of the circular hole 11 is integrally provided with a cylindrical interface pipe 12, the cylindrical interface pipe The inner diameter of 12 is larger than the diameter of the circular hole 11, and the top of the cylindrical interface pipe 12 is connected to the water inlet cap 2 through threads, or is inserted into the water inlet cap 2. The circular hole 11 and the water inlet cover 2 serve as the water inlet, and the two ends of the water outlet base 1 serve as the water outlet.

[0032] Such as figure 2 As shown, the water inlet cap 2 includes an integrally a...

Embodiment 2

[0036] Such as Image 6 As shown, the second embodiment includes a water outlet base 1, a water inlet cover 2, a core seat 3, and a disc-shaped elastic diaphragm 4.

[0037] Such as Image 6 As shown, the water outlet base 1 is a cylindrical pipe, one end of the water outlet base 1 is used as a water inlet, and the other end is used as a water outlet. The inlet end is equivalent to the circular hole 11 provided on the side wall of the outlet base 1 in the first embodiment. The outer wall of the outlet base 1 in the circumferential direction of the inlet end is integrally provided with a cylindrical interface pipe 12, the inner diameter of the cylindrical interface pipe 12 is larger than For the diameter of the water inlet end, the top of the cylindrical interface pipe 12 is connected to the water inlet cap 2 through threads, or is inserted into the water inlet cap 2.

[0038] The structures of the water inlet cap 2, the core holder 3 and the disc-shaped elastic diaphragm 4 in the...

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Abstract

The invention relates to a capillary inlet flow regulator. The capillary inlet flow regulator is characterized by comprising a cylindrical water outlet base, a water inlet cover, a core seat and a disk-shaped elastic membrane, wherein a round hole is arranged on the sidewall of the water outlet base, a cylindrical joint pipeline is arranged on the circumference of the round hole, the water inlet cover is arranged on the top portion of the cylindrical joint pipeline, a water inlet communicated with the cylindrical joint pipeline is arranged on the cover plate, the core seat is arranged in the cylindrical joint pipeline and comprises a round bottom plate, a cylindrical retaining wall is arranged on the top portion of the round bottom plate, a water inlet ring is formed between the periphery of the cylindrical retaining wall and the cylindrical joint pipeline, a central water outlet is arranged at the center of the round bottom plate, a plurality of fan rings protruding upwards are arranged at intervals on the circumference of the central water outlet, surfaces of the fan rings are arc-shaped, groove runners are formed between every two adjacent fan rings, a central jacking column protruding upwards is arranged in the central water outlet, detachable adjusting plates are respectively arranged at positions, corresponding to the groove runners, on the cylindrical retaining wall, and the disk-shaped elastic membrane is arranged in the cylindrical retaining wall and above the fan rings and the central jacking column.

Description

Technical field [0001] The invention relates to a flow regulator in agricultural water-saving irrigation equipment, in particular to a capillary inlet flow regulator suitable for micro-irrigation systems and having a series of flow values. Background technique [0002] In the drip irrigation system, due to friction loss and topographical changes, the pressure at each point of the branch pipe in the irrigation district is different, which makes the inlet pressure of each capillary different, resulting in different water output from each capillary, which reduces the uniformity of irrigation. The use of pressure compensation drippers can reduce the flow difference caused by the pressure deviation of the pipe network and improve the irrigation uniformity of the micro-irrigation system, but such a system is expensive. Starting from the actual situation in my country, installing a capillary-level flow regulator can improve the uniformity of the system's irrigation, and it is very econo...

Claims

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Application Information

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IPC IPC(8): A01G25/16
Inventor 李光永张琛
Owner CHINA AGRI UNIV
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