Steam Boiler Voltage Control to Prevent Over-Temperature Interruptions
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Solution Overview
Problem
Current steam control methods in cleaning equipment with steam functions suffer from prolonged recovery times of temperature switches, leading to interruptions in steam production and user experience issues due to over-temperature protection.
Innovation Solution
A cleaning device with a power supply, steam generation component, and controller that adjusts the output voltage based on temperature sensor readings to maintain stable steam production, incorporating a temperature sensor to prevent over-temperature conditions and ensure user safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature switches are used for over-temperature protection and energy control, then safety protection is achieved, but the recovery time is prolonged causing steam interruptions
Solution Approach 1:
The patent replaces the mechanical temperature switch system with an electronic control system comprising a temperature sensor, microcontroller, and triac. This substitution eliminates the prolonged recovery time inherent in mechanical bimetallic switches while maintaining over-temperature protection functionality through electronic monitoring and control.
Solution Approach 2:
The patent implements a feedback control system where the temperature sensor continuously monitors the boiler temperature and sends signals to the microcontroller. The microcontroller adjusts the triac firing angle based on the temperature feedback, enabling dynamic control that prevents over-temperature conditions without the delay associated with mechanical switches.
2Object-affected harmful factors
If temperature switches are used to control steam production, then over-temperature dangers are prevented, but steam stability is compromised due to circuit breaking
Solution Approach 1:
The patent replaces the mechanical temperature switch that causes circuit breaking and steam instability with an electronic control system using a triac. The triac provides smooth phase-angle control of the heating element, eliminating abrupt on/off switching and maintaining stable steam production while preventing over-temperature conditions through precise electronic monitoring.
Solution Approach 2:
The patent implements dynamic control of the heating element through triac phase-angle control, allowing continuous adjustment of heating power based on real-time temperature feedback. This dynamic control enables the system to maintain stable steam production by making gradual adjustments rather than abrupt on/off changes, while still preventing over-temperature dangers.
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 stable steam production and effective over-temperature protection, preventing burns and other dangers by dynamically adjusting the power supply voltage in response to temperature measurements, thereby enhancing user safety and equipment performance.
Implementation Method 1
a temperature sensor set on the steam boiler, wherein the steam boiler is electrically connected to the power supply, and the temperature sensor is used to measure the temperature of the steam boiler or the internal liquid
Implementation Method 2
a steam boiler for heating the internal liquid to produce steam
Implementation Method 3
heating the internal liquid to produce steam
Implementation Method 4
The controller may be electrically connected to the power supply and the temperature sensor, and may be configured to control the output voltage of the power supply so that the steam boiler is heated to produce steam under the output voltage
Data Source
AI summary
This application describes a cleaning device and a steam control method. The cleaning device may comprise a power source, a steam generating device, and a controller. The steam generating device may comprise a steam boiler and a temperature sensor. The steam boiler may be electrically connected to the power source, and the temperature sensor can be used to measure the temperature of the steam boiler or internal liquid. The controller may be configured to control the output voltage of the power source to generate steam by heating the steam boiler.