Multi-Stage Sprinkler Control with Segmented Water Chambers

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Solution Overview

Problem

Conventional sprinklers face issues with water leakage and compromised nozzle distribution density due to control switch placement, leading to a shortened lifespan and poor water spray density.

Innovation Solution

A sprinkler structure with multi-stage water control featuring segmented water supply chambers and switch controls, allowing individual control of each segment's water flow, and a cover with indicator markings for user guidance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If control switches are placed on each nozzle to precisely control water spray modes, then water spray control precision is improved, but water leakage and device lifespan are worsened

Engineering Contradiction:

Improvewater spray control precisionVSAvoidsprinkler lifespan

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The sprinkler system is divided into multiple independent control segments, where each segment contains a control switch, water supply channel, and nozzle group. This segmentation allows individual control of specific nozzle regions while isolating potential leakage issues to only affected segments, preventing system-wide failures and extending overall lifespan.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A control valve is introduced as an intermediary component between the water supply channel and the nozzle. This valve provides an additional control layer that can regulate water flow independently of the nozzle structure, reducing wear on nozzles from direct control mechanism contact and minimizing leakage paths at the nozzle interface.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If control switches are placed on each nozzle, then water spray control precision is improved, but nozzle distribution density is worsened

Engineering Contradiction:

Improvewater spray control precisionVSAvoidnozzle distribution density

Core Design Contradiction:

Measurement precisionVSQuantity of substance

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The control mechanism is moved from a two-dimensional surface mounting on nozzles to a three-dimensional integrated structure within water supply chambers. This dimensional transition allows control switches to be positioned optimally for operation while maintaining compact nozzle spacing and high distribution density.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Measurement precision

If excessive control switches are used, then water spray control precision is improved, but device complexity and leakage risk are worsened

Engineering Contradiction:

Improvewater spray control precisionVSAvoidcontrol switch quantity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

Each control switch is designed with multi-functionality, serving both as a control mechanism for water flow regulation and as a structural component of the water supply chamber assembly. This integration reduces the total number of separate components needed while maintaining precise control capabilities across all nozzle segments.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

Enables multi-stage water control, addressing user needs and improving water spray density while reducing leakage and extending the sprinkler's lifespan.

Implementation Method 1

an oscillation controller disposed at the inlet for generating reciprocating oscillations by using the water flow

Methodology Applied

Scientific EffectOscillation:

Implementation Method 2

when in the closed position, the water seal is aligned with the water supply port to form a water-closing state

Methodology Applied

Scientific EffectSealing:

Implementation Method 3

when in the open position, the water-flowing section is aligned with the water supply port to form a water-spraying state

Methodology Applied

Scientific EffectFluid flow:

Data Source

PatentUS20250269396A1Sprinkler structure with multi-stage water control

Publication Date: 2025.08.28 AQUALEAN MFG ASSOCS

AI summary

Disclosed is a sprinkler structure with multi-stage water control, including: a base having an inlet; an oscillation controller disposed at the inlet for generating reciprocating oscillations using water flow; a water spray pipe connected at one end to and driven by the oscillation controller and having multiple nozzles; multiple segmented water supply chambers spaced along the extending direction of the water spray pipe, each having a water supply port communicating with multiple adjacent nozzles and forming a respective guide track in an orthogonal configuration; and multiple segmented switch controls individually mounted on the guide track of each segmented water supply chamber, each including a button, a water seal, and a water-flowing section forming a water-spraying state when in an open position and a water-closing state when in a closed position.