Heated Hose Nozzle Aperture Control for Variable Groundwater
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Solution Overview
Problem
Existing portable water heating systems fail to accurately heat groundwater to a suitable temperature due to variations in regional groundwater temperatures, as they are not designed to account for different initial temperatures effectively.
Innovation Solution
A hose nozzle assembly with a heating chamber, multiple apertures, and a control system that includes a heating element, temperature sensors, and a flow sensor to adjust the heat output based on the inlet temperature, ensuring the water is heated to a target temperature regardless of the initial groundwater temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a portable water heating system uses a fixed heating capacity, then it can sufficiently heat groundwater in regions with lower initial temperatures, but it cannot sufficiently heat groundwater in regions with higher initial temperatures to the required target temperature
Solution Approach 1:
The patent implements a dynamic aperture selection mechanism where the spray nozzle can switch between multiple aperture configurations (first aperture for high flow rate, second aperture for low flow rate) based on the inlet water temperature. This dynamic adjustment allows the system to adapt to different regional groundwater temperatures, enabling the fixed heating capacity heater to achieve the target temperature across various climates by optimizing the water flow rate through the heating chamber.
Solution Approach 2:
The system changes the flow rate parameter by selecting different aperture configurations based on the inlet temperature. When groundwater temperature is lower, the first aperture provides higher flow rate; when groundwater temperature is higher, the second aperture provides lower flow rate. This parameter change allows the fixed heating capacity system to effectively heat water to the target temperature across different regional conditions.
2Productivity
If the spray nozzle provides a high flow rate, then productivity is improved, but the heating element cannot heat the water to the required target temperature
Solution Approach 1:
The system dynamically adjusts the flow rate based on the inlet water temperature and heating requirements. The control system selects between first aperture (high flow rate) and second aperture (low flow rate) configurations to optimize the balance between productivity and heating effectiveness, ensuring that the water spends sufficient time in the heating chamber to reach the target temperature while maintaining adequate water supply.
Solution Approach 2:
The flow rate parameter is adjusted by changing the aperture configuration. The system reduces the flow rate parameter when the inlet temperature is high or when maximum heating is required, and increases the flow rate parameter when the inlet temperature is low and heating demand is high, thereby optimizing both productivity and heating effectiveness under different operating conditions.
3Temperature
If the spray nozzle provides a low flow rate, then the heating element can heat the water to the required target temperature, but productivity decreases
Solution Approach 1:
The system implements dynamic flow rate adjustment based on real-time temperature sensing. When the inlet water temperature is already relatively high or the heating requirement is modest, the system switches to the second aperture configuration with lower flow rate to ensure adequate heating. When the inlet temperature is low and heating demand is high, it switches to the first aperture configuration with higher flow rate to maintain productivity while still achieving the target temperature.
Solution Approach 2:
The flow rate parameter is dynamically changed based on the heating requirements and inlet temperature conditions. The control system monitors the temperature and adjusts the aperture selection to optimize the flow rate parameter, reducing it when heating effectiveness is critical and increasing it when productivity is more important, thereby resolving the contradiction between heating effectiveness and productivity.
4Device complexity
If a single aperture configuration is used in the spray nozzle, then device complexity is reduced, but the system cannot adapt to different groundwater temperatures from different regions
Solution Approach 1:
The spray nozzle is segmented into multiple aperture configurations (first aperture and second aperture) that can be selectively activated. Each aperture configuration is optimized for specific temperature ranges and flow rate requirements. This segmentation allows the system to adapt to different regional groundwater temperatures without requiring a completely different nozzle design for each region, maintaining relatively simple device structure while achieving high adaptability.
Solution Approach 2:
The spray nozzle is designed with multi-functionality by incorporating multiple aperture configurations that can handle different flow rate and temperature conditions. A single nozzle structure serves multiple purposes: it can operate in high flow rate mode for cold groundwater regions and in low flow rate mode for warmer groundwater regions, making the device universally applicable across different climates without requiring region-specific customization.
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 hose nozzle assembly effectively heats water to a desired temperature across varying initial temperatures, providing a consistent output regardless of regional differences, ensuring heated water is available where needed.
Implementation Method 1
a heating element configured to heat the water from the inlet temperature to the target temperature
Data Source
AI summary
The disclosed technology includes a hose nozzle assembly with apertures sized to facilitate heating groundwater based on the expected temperature of the groundwater. The hose nozzle assembly can have a handheld enclosure having a handle portion connected to a body portion, a heating chamber having a heating element configured to heat a fluid, and a spray nozzle. The spray nozzle can include a first aperture configured to provide a first spray pattern at a first flow rate corresponding to a first change in temperature of fluid flowing through the heating chamber and a second aperture configured to provide a second spray pattern at a second flow rate corresponding to a second change in temperature of fluid flowing through the heating chamber. The second flow rate can be less than the first flow rate and the second change in temperature can be greater than the first change in temperature.