Perforated Subirrigation Pipe Layout to Prevent Drainage Blockage

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Solution Overview

Problem

Conventional road drainage systems and traditional potting methods fail to effectively manage internal water infiltration and irrigation, leading to pipe congestion, plant drowning, and nutrient wastage due to inadequate drainage and irrigation control.

Innovation Solution

A perforated subirrigation and drainage pipe system with a permeation irrigation inner pipe, flow guide baffles, and reinforcing baffles that utilize capillary action and siphon principles to distribute water uniformly and prevent blockages, combined with a fully automated rainwater-recycling planter that includes sensors and valves for efficient water and fertilizer management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional drainage pipes are used, then drainage function is provided, but pipe congestion occurs due to debris in water

Engineering Contradiction:

Improvedrainage functionVSAvoidpipe congestion

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The drainage pipe is divided into multiple sections with flow guide baffles that segment the water flow into multiple channels. This segmentation prevents debris from blocking the entire pipe by distributing flow through separate pathways, thereby maintaining drainage reliability while reducing pipe congestion.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Flow guide baffles act as intermediary structures within the drainage pipe. These baffles guide water flow and separate debris from the main drainage path, allowing water to drain effectively while preventing debris accumulation that would cause pipe congestion.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If traditional potting methods are used, then plants can be grown, but water and fertilizer waste occurs due to inadequate control

Engineering Contradiction:

Improveplant growthVSAvoidwater and fertilizer waste

Core Design Contradiction:

ProductivityVSLoss of substance

Solution Approach 1:

The automated irrigation system incorporates sensors that monitor soil moisture levels and provide feedback to the control system. This feedback mechanism enables the system to adjust water and fertilizer application in real-time, ensuring plants receive adequate nutrients while preventing over-application and waste.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system enables plants to effectively receive water and nutrients on demand through automated detection and delivery. The sensors detect plant needs and the system automatically supplies appropriate amounts, eliminating the need for manual intervention and preventing both under-watering and over-watering scenarios that lead to waste.

Inventive Principle:

Principle #25Self-service

3Quantity of substance

If excessive water is applied to plants, then irrigation needs are met, but plant death occurs due to excessive water

Engineering Contradiction:

Improvewater supplyVSAvoidexcessive water damage

Core Design Contradiction:

Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

Soil moisture sensors continuously monitor water levels in the root zone and provide feedback to the irrigation control system. When sufficient moisture is detected, the system automatically stops or reduces water application, preventing waterlogging and root rot while ensuring plants receive adequate irrigation when needed.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The irrigation system dynamically adjusts water application rates and durations based on real-time soil moisture conditions, plant needs, and environmental factors. This dynamic control ensures optimal water supply without exceeding plant tolerance levels, preventing harm from excessive water while meeting irrigation requirements.

Inventive Principle:

Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system ensures consistent and uniform water supply to plant roots, prevents pipe blockages, reduces water and fertilizer waste, and promotes healthy plant growth while recycling water, thus enhancing plant care and reducing environmental impact.

Implementation Method 1

which utilizes the capillary action and siphon principle of the water

Methodology Applied

Scientific EffectCapillary action: Capillary Action

Implementation Method 2

which utilizes the capillary action and siphon principle of the water

Methodology Applied

Scientific EffectSiphon principle: Syphon

Implementation Method 3

added with the transpiration of the plants

Methodology Applied

Scientific EffectTranspiration: Transpiration

Data Source

PatentUS10980196B2Perforated subirrigation/drainage pipe and sealed fully automatically irrigated rainwater-recycling comprehensive planter

Publication Date: 2021.04.20 LEUNG YAN MING

AI summary

A perforated subirrigation and drainage pipe includes a pipe body and a permeation irrigation inner pipe. The permeation irrigation inner pipe is integrally formed with the pipe body and disposed at a top of an interior of the pipe body along a longitudinal direction thereof; multiple irrigation perforations, distributed along a longitudinal direction of the permeation irrigation inner pipe, are provided on a pipe wall of a bottom thereof; and an opening is provided on a pipe wall of a bottom of the pipe body; two flow guide baffles are respectively located at two sides of the opening and on an inner wall of the pipe body; a first irrigation and drainage channel is formed between each flow guide baffle and an outer wall of the permeation irrigation inner pipe, between each flow guide baffle and the inner wall of the pipe body, and between the two flow guide baffles.