Sprinkler Head Pivoting for Automatic Nozzle Switching
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Solution Overview
Problem
Conventional sprinklers are limited in their ability to seamlessly switch between horizontal and vertical axis orientations, restricting their adaptability and efficiency in generating diverse jet patterns for uniform sprinkling density.
Innovation Solution
A sprinkler design that incorporates two alternately activatable partial nozzle arrangements, with a mechanical switching device to automatically adjust the jet patterns based on the operating position, allowing for both horizontal and vertical orientations, and a water-driven drive mechanism for rotational movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a sprinkler is designed with a fixed axis of rotation (horizontal or vertical), then the nozzle arrangement can be optimized for that specific orientation, but the sprinkler cannot adapt to different operating positions or generate diverse jet patterns
Solution Approach 1:
The nozzle arrangement is divided into multiple partial nozzle arrangements (first and second partial nozzle arrangements), each optimized for specific operating positions. This segmentation allows the sprinkler to present different nozzle configurations depending on whether it operates in horizontal or vertical orientation, resolving the contradiction between adaptability and complexity by making the complexity modular and position-dependent rather than constant
Solution Approach 2:
The sprinkler incorporates a mechanical switching device that automatically activates different partial nozzle arrangements based on the operating position. This dynamic switching mechanism allows the system to adapt its configuration in real-time according to orientation, maintaining optimal performance across different positions without requiring manual intervention or complex control systems
2Productivity
If the nozzle arrangement is fixed for a specific orientation, then the jet pattern is consistent and reliable, but the sprinkler cannot efficiently switch between square and circular/sector sprinkler functions
Solution Approach 1:
The sprinkler is designed with universal functionality to operate in both horizontal and vertical orientations with different jet patterns. The mechanical switching device enables the same physical sprinkler to function as different sprinkler types (square or circular/sector) by activating appropriate partial nozzle arrangements, achieving multi-functionality without requiring multiple separate devices
Solution Approach 2:
The mechanical switching device operates automatically based on the operating position, eliminating the need for external control or manual switching. The system self-regulates which partial nozzle arrangement is activated based on its orientation, improving productivity by reducing intervention time and maintaining continuous operational efficiency
3Reliability
If different partial nozzle arrangements are activated for different operating positions, then uniform sprinkling density is maintained, but the mechanical switching device increases device complexity
Solution Approach 1:
The mechanical switching device acts as an intermediary mechanism that automatically selects and activates the appropriate partial nozzle arrangement based on operating position. This intermediary component simplifies the control logic by using mechanical position sensing rather than complex electronic controls, maintaining reliability through automatic selection while minimizing the increase in overall system complexity
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 efficient switching between square and circular/sector sprinkler functions, optimizing water distribution and maintaining uniform sprinkling density across different orientations, enhancing adaptability and operational flexibility.
Implementation Method 1
When using a preferred water-driven drive for the rotational movement of the nozzle arrangement with a turbine through which water flows
Data Source
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AI summary
The invention relates to a sprinkler (RK, GK), in particular for watering a garden, having an embodiment wherein a sprinkler head (RK) can take on different alignments of the rotary axis of the rotatable sprinkler head relative to a main body (GK) that can be placed on a ground surface. A first operating position (Fig. 1) having a rotary axis parallel to the placement surface as a rectangular sprinkler, and a second operating position (Fig. 3) having a rotary axis perpendicular to the placement surface of the sprinkler head as a circular or sector sprinkler can in particular be provided. A switchover between two nozzle arrangements (D1, D2) associated with the different sprinkler functions and generating different spray patterns advantageously takes place automatically upon changing the position of the sprinkler head (RK) relative to the main body (GK).