Programmable Timer Outlet with Extended Cycle Control

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Solution Overview

Problem

Existing timer devices for electrical power distribution are limited to fixed daily schedules and cannot accommodate devices that require energization on cycles longer than a day, such as every 3 days, a week, or a month, failing to meet the needs of devices like standby generators with varying charging requirements.

Innovation Solution

A programmable switched power receptacle that allows users to set a user-selectable duration and cycle interval, enabling power to be switched on for specific durations (e.g., 1 hour to 99 days) with user-friendly input and display interfaces, and status indicators for monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed 24-hour cycle timer is used, then the device operates on a simple daily schedule, but it cannot accommodate devices requiring longer cycle intervals (e.g., every 3 days, a week, or a month)

Engineering Contradiction:
Improvecycle interval flexibilityVSAvoidtimer programming complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The timer transitions from a fixed 24-hour cycle to a dynamic, user-programmable cycle interval system. The cycle interval can be adjusted to accommodate various time periods (days, weeks, months) through programmable input interfaces, allowing the timer to adapt to different device requirements while maintaining operational simplicity through standardized controls.

Inventive Principle:
Principle #15Dynamics

2Duration of action of stationary object

If the timer is programmed for extended operation, then it can control devices on longer cycles, but it requires more complex programming interfaces and user inputs

Engineering Contradiction:
Improveoperational durationVSAvoidprogramming ease
Core Design Contradiction:
Duration of action of stationary objectVSEase of operation

Solution Approach 1:

The timer allows users to pre-program extended operational durations and cycle intervals before operation begins. The programming interface enables users to set desired time periods in advance, and the timer automatically executes the programmed schedule without requiring complex real-time adjustments or interventions during operation.

Inventive Principle:
Principle #10Preliminary action

3Loss of information

If status indicators are added for monitoring, then the user can easily track device operation, but the device complexity increases

Engineering Contradiction:
Improveoperational status visibilityVSAvoiddevice component count
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The timer incorporates status indicators that use color changes or illumination states to communicate operational status information to the user. These visual indicators provide clear feedback about the timer's current state (e.g., active, standby, error conditions) without requiring complex display interfaces or additional control components.

Inventive Principle:
Principle #32Color changes

Data Source

PatentUS11610749B2Programmable timer outlet
Publication Date: 2023.03.21 YANG DANIEL H
  • US11610749B2 patent drawing
  • US11610749B2 patent drawing
  • US11610749B2 patent drawing

AI summary

A switched power receptacle that can be programmed to provide power for a user-selected duration in a user-selected cycle. The invention can be plugged into a conventional receptacle, extension cord, or other source of power. One or more user inputs and displays are provided so that the user can program the cycle for switching on the power (once every 2 days, once every 7 days, etc.). One or more user inputs are provided so that the user can select the duration of activation for each cycle (1 hour, 3 hours, etc.). Status indicators are preferably provided so that the user can easily monitor the operation of the device.