Kitchen Faucet Temperature Control Near the Spray Head
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Solution Overview
Problem
Conventional faucets have imprecise temperature control mechanisms located near the base of the faucet body, making it inconvenient to adjust water temperature while the faucet is on, as users must reach through or around the stream of water.
Innovation Solution
A faucet assembly with a temperature control positioned near the faucet spray head, allowing users to easily and precisely control water temperature without having to reach through or around the stream of water. This temperature control can be configured with capacitive touch sensors, a magnetic temperature adjustment ring, or other controls that transmit signals to a mixing valve to adjust the water temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the temperature control is located near the base of the faucet body, then the control structure is simple and easy to manufacture, but the ease of operation deteriorates because users must reach through or around the water stream to adjust temperature
Solution Approach 1:
The temperature control is repositioned from the horizontal base plane to the vertical spout axis, utilizing the vertical dimension above the water stream. This dimensional relocation allows users to access the control without reaching through the water flow, resolving the contradiction between ease of operation and device complexity.
Solution Approach 2:
A magnetic coupling mechanism serves as an intermediary between the user interface and the internal mixing valve. The magnetic driver assembly transmits rotational motion wirelessly through the spout wall, eliminating the need for mechanical penetrations while enabling precise temperature control in the optimized position.
2Ease of operation
If a magnetic temperature adjustment ring is used, then the ease of operation improves through intuitive rotational control, but the device complexity increases due to additional magnetic components and sensing mechanisms
Solution Approach 1:
The traditional mechanical linkage between the temperature control interface and mixing valve is replaced with a magnetic coupling system. The magnetic driver assembly uses magnetic fields to transmit rotational motion through the spout wall without physical contact, eliminating complex mechanical penetrations while maintaining precise control.
Solution Approach 2:
The control mechanism transitions from discrete positional adjustments to continuous rotational control. The magnetic adjustment ring allows users to rotate through a continuous range of positions, providing precise temperature control through analog manipulation rather than discrete steps.
3Ease of operation
If capacitive touch sensors are used for temperature control, then the ease of operation improves through modern touch interface, but the device complexity increases due to electronic control circuits
Solution Approach 1:
Traditional mechanical or electronic knobs are replaced with capacitive touch sensors that detect finger proximity and gesture. This solid-state interface eliminates moving parts while providing intuitive touch-based temperature control, reducing mechanical complexity while maintaining ease of operation.
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 solution provides a precise and convenient method for users to adjust water temperature, enhancing user experience by eliminating the need to reach through or around the water stream and improving the accuracy of temperature control.
Implementation Method 1
The annular control may be configured to detect a position of the temperature adjustment ring by measuring magnetic fields emitted by adjustment ring
Implementation Method 2
the temperature control may be a linear assembly or a circular assembly of capacitive touch sensors disposed on the faucet body
Data Source
AI summary
Provided are faucet assemblies comprising temperature control and/or a spray mode control. In some embodiments, a faucet assembly a faucet body having a fluid inlet; a fluid flow path within the faucet body fluidly connected to the fluid inlet; and a spray head; and a temperature control system positioned on the faucet body proximate to the spray head, the temperature control system having one or more controls configured to receive a user input comprising a user's desired fluid temperature; one or more lights configured to emit light based on the user input; and one or more circuit traces configured cause the mixing valve to control a temperature of the fluid based on the user's desired fluid temperature.