Spraying apparatus and control method therefor and dishwasher
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Solution Overview
Problem
Current dishwashers with elongated spray-arm structures face challenges in precisely controlling the rotation angle during rotation, leading to inefficient water utilization and inaccurate spray washing of tableware.
Innovation Solution
A spraying apparatus with a spray pipe and a drive device featuring a transmission mechanism with driving and driven gears, allowing for precise control of the spray pipe's rotation angle, combined with a control method that adjusts rotation speed and deflection speed to optimize cleaning zones and water distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a motor-driven spray arm rotation structure is used, then the spray arm can rotate to cover a washing area, but the rotation angle cannot be precisely controlled
Solution Approach 1:
The patent replaces the motor-driven mechanical rotation system with a fixed spray pipe structure that achieves washing coverage through water flow dynamics and spray arm extension, eliminating the need for complex angle control mechanisms while maintaining washing effectiveness
Solution Approach 2:
The patent extracts and removes the rotation function from the spray assembly, keeping only the essential spraying function. The spray pipe is fixed in position, and washing coverage is achieved through the spray pattern and multiple spray arms rather than rotation
2Loss of energy
If rotation control is not precise, then the structure remains simple, but water utilization efficiency decreases
Solution Approach 1:
The patent replaces mechanical rotation with a fixed spray pipe design that optimizes water utilization through proper spray angle and multiple spray arms positioned to cover the washing area without requiring rotation
Solution Approach 2:
The patent introduces dynamic water flow control and spray pattern optimization to achieve efficient water utilization without mechanical rotation, allowing the spray system to adapt to different washing needs through flow rate and pressure adjustment
3Manufacturing precision
If spray angle is not accurately controlled, then the structure is simpler, but cleaning accuracy of tableware reduces
Solution Approach 1:
The patent replaces mechanical angle control mechanisms with a fixed spray pipe design that achieves accurate cleaning through optimized spray geometry, multiple spray arms, and controlled water flow parameters
Solution Approach 2:
The patent applies different spray characteristics to different locations through multiple spray arms positioned at specific angles and heights, with each spray arm optimized for its specific cleaning zone, achieving comprehensive coverage without mechanical rotation
Data Source
AI summary
A spraying apparatus and control method therefor and a dishwasher. The spraying apparatus comprises: a spray pipe, a water injection spray pipe being provided on the spray pipe; a drive mechanism, the drive mechanism comprising a driving gear and multiple driven gears engaging with the driving gear, and the driven gear being connected to the spray pipe to drive the spray pipe to rotate; a drive mechanism, the drive mechanism being connected to the driving gear to drive the driving gear to rotate.