Electronic Door Chime Layout for Safe Continuous IoT Doorbell Power
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Solution Overview
Problem
Internet of Things (IoT) doorbells are often not compatible with existing doorbell systems, and there is a need for a safe, cost-effective, and functional electronic door chime that can power smart external doorbell devices with cameras and wireless connections.
Innovation Solution
An electronic door chime with a housing designed for a dual voltage junction box, featuring a power supply that produces 18 VAC or more and a circuit with a chiming, inductor, and monitor circuit, which is safe and compatible with IoT doorbells, using a transformer or other power supply to provide power to both the doorbell and speaker, with optoisolation for safety and separate compartments for power and circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a power supply produces at least 18 VAC and at least 300 mA to continuously power IoT doorbells with cameras and wireless connections, then the power output is sufficient for smart external doorbell devices, but the power supply may exceed safety limits of 24 VAC and 10 VA
Solution Approach 1:
The power supply is divided into two separate sections within the housing: a first section containing the power supply producing higher power (at least 18 VAC, at least 300 mA) and a second section containing the electronic door chime circuitry. This segmentation allows the high-power section to continuously power IoT doorbells while the lower-power second section maintains safety compliance, effectively resolving the contradiction between providing sufficient power and maintaining safety standards.
2Object-affected harmful factors
If the housing is designed to fit into a two-gang dual voltage junction box with separate compartments, then the device meets safety standards and installation requirements, but the device complexity increases
Solution Approach 1:
The housing is designed as a universal adapter that fits into standard two-gang dual voltage junction boxes, which are commonly found in existing doorbell installations. By making the housing compatible with this standard infrastructure, the patent achieves safety compliance and ease of installation without requiring custom junction boxes or complex mounting structures, thereby reducing overall system complexity despite the internal compartmentalization.
3Duration of action of stationary object
If the power supply produces higher power to continuously power IoT doorbells, then smart external doorbell devices can operate continuously, but existing doorbell systems may not be compatible
Solution Approach 1:
The system dynamically adapts its power delivery based on the connected doorbell type. The power supply can provide continuous high power (at least 18 VAC, at least 300 mA) for IoT doorbells that require it, while the electronic door chime circuitry in the second section can be configured to work with traditional doorbell systems. This dynamic adaptability allows the same housing design to support both continuous operation modes and maintain compatibility with existing systems.
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 safe, cost-effective, and compatible electronic door chime that can continuously power IoT doorbells, ensuring compatibility and reliability while meeting safety standards, making it suitable for both new and existing installations.
Implementation Method 1
The power supply can be a transformer or other device that receives mains electric power and produces a power output
Implementation Method 2
The trigger sensed signal can be optically isolated from the doorbell current. In practice, an optoisolator can optically isolate its output from its input
Data Source
AI summary
An electronic door chime can meet safety standards and be compatible with smart doorbells and IOT doorbells. Current generation smart doorbells, also called IOT doorbells, require continuous power to drive the cameras, audio interfaces, and other components within the smart doorbell. Compatibility issues with prior art doorbell systems have emerged with the smart doorbell receiving inadequate power or power that doesn't meet the smart doorbell's input specification. In some cases, a prior art doorbell system is driven to failure or to excessive temperatures when the smart doorbell continuously draws too much power. A new electronic door chime can safely power the smart doorbells while also being compatible with simple push button doorbell devices.