Sprinkler Remote Access Using Security Tokens and Weather Scheduling
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Solution Overview
Problem
Traditional sprinkler systems lack remote and shared access capabilities, requiring physical presence for maintenance and adjustments, and often struggle with flexible irrigation scheduling due to reliance on manual inputs and inaccurate weather data, leading to issues like overwatering and underwatering.
Innovation Solution
A method and system for remote and shared access to sprinkler systems using digital security tokens for authorization, environmental variable monitoring, and automated scheduling adjustments based on weather data, allowing secure network connections without revealing credentials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional manual control methods are used for sprinkler systems, then physical access to the control system is required, but this reduces convenience and requires scheduling coordination for maintenance
Solution Approach 1:
The patent replaces physical mechanical access to the sprinkler control system with electronic/digital access mechanisms. The control system is connected to a network, allowing remote devices to communicate with and control the sprinkler system electronically, eliminating the need for physical presence at the control location.
Solution Approach 2:
The patent introduces a network as an intermediary between the user and the sprinkler control system. The network enables indirect remote access to the control system, allowing users to control sprinklers from distant locations without physically traveling to the system's physical location.
2Adaptability or versatility
If conventional sprinkler controllers are used with limited scheduling capability, then the system is simpler, but it cannot handle eccentric irrigation schedules effectively
Solution Approach 1:
The patent makes the sprinkler controller multi-functional by enabling it to handle multiple irrigation schedules simultaneously across different zones. The controller can manage complex scheduling requirements including different schedules for different zones, seasonal adjustments, and weather-based modifications, going beyond simple single-schedule control.
Solution Approach 2:
The patent introduces dynamic scheduling capabilities where irrigation schedules can be automatically adjusted based on weather conditions, soil moisture levels, and seasonal changes. The system transitions from static pre-programmed schedules to dynamic schedules that adapt in real-time to environmental conditions.
3Productivity
If automated sprinkler systems with sensors are deployed, then some efficiency is improved, but the hardware is expensive and prone to malfunction from exposure to elements
Solution Approach 1:
The patent introduces a network communication layer as an intermediary between the sprinkler controller and external control mechanisms. This allows the system to receive weather data and control instructions remotely through the network, eliminating the need for exposed physical sensors at the sprinkler location while maintaining automated functionality.
Solution Approach 2:
The patent extracts the sensing and data collection functions from the physical sprinkler system and relocates them to remote locations. Weather data can be obtained from remote weather stations or online sources, and control decisions are made remotely, removing fragile sensors from harsh outdoor environments.
4Ease of operation
If homeowners provide network credentials to installers for system setup, then network connectivity is achieved, but security risks increase
Solution Approach 1:
The patent introduces a network access server or authentication mechanism as an intermediary that manages network credentials securely. Instead of directly sharing home network credentials with installers, the system uses an intermediate authentication layer that grants temporary or limited access rights without exposing the primary network security credentials.
Solution Approach 2:
The patent creates a separate authentication credential system that copies or mimics the functionality of network credentials without actually exposing the real network credentials. Installers receive temporary access tokens or credentials that are valid only for setup purposes and cannot access the actual home network resources.
Data Source
AI summary
According to one embodiment, a method of granting a remote device access to a smart home network connected device is disclosed. An example method includes receiving an access request including identifying information related to the remote device; generating a digital security token that is encrypted and provides the remote device with access to the smart home network connected device without divulging network credentials; transmitting the digital security token to the remote device; receiving the decrypted digital security token from the remote device, the decrypted digital security token validating permissions of the remote device to access the smart home network connected device; and transmitting a remote access authorization to the remote device based on the decrypted digital security token, the remote access authorization providing the remote device with access to the smart home network connected device to connect the smart home network connected device to the network.