Affixed Heater Plate for Lava Lamp Thermal Stability

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Solution Overview

Problem

Current lava lamps suffer from a weakened or absent heating effect due to a movably arranged heater plate that shakes and fails to fit securely with the concave bottom of the bottle, leading to inefficient heating and energy waste.

Innovation Solution

A heater-plate-affixed LED lava lamp design where the heater plate is affixed to the bottom of a transparent lava lamp bottle with an adhesive and insulating layer, and heating wires connected to a control circuit board, ensuring the heater plate remains fixed and efficiently transfers heat, while a lighting module enhances the decorative effect.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the heater plate is movably arranged on the bottom shell, then the device structure is simple and easy to assemble, but the heater plate shakes and goes off-center under external force, leading to weakened heating effect

Engineering Contradiction:
Improveease of assemblyVSAvoidheating effect stability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The heater plate is integrated with the bottom shell through adhesive bonding, merging two previously separate components into a unified structure. This eliminates the movable arrangement that caused shaking and off-centering, while maintaining ease of assembly through the simple adhesive bonding process.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The heater plate is pre-affixed to the bottom shell during the assembly process before the lava lamp is put into use. This preliminary bonding action ensures the heater plate remains fixed and centered, preventing the shaking and off-centering problems that occurred with movable arrangements.

Inventive Principle:
Principle #10Preliminary action

2Ease of manufacture

If the heater plate is a plane structure, then the manufacturing is simple, but it cannot completely fit the concave bottom of the bottle body, resulting in poor heating efficiency and energy waste

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidheating efficiency
Core Design Contradiction:
Ease of manufactureVSLoss of energy

Solution Approach 1:

The heater plate is transformed from a plane structure to a curved structure that matches the concave shape of the bottle bottom. This curvature allows the heater plate to completely fit the bottle bottom surface, eliminating gaps that caused heat loss and energy waste, while the adhesive bonding process remains simple.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

The heater plate is designed with varying curvature to match the specific local geometry of the bottle bottom. By adapting the heater plate's shape to the local concave surface, the design achieves complete surface contact for efficient heat transfer, while maintaining manufacturing simplicity through adhesive application.

Inventive Principle:
Principle #3Local quality

3Loss of energy

If the heater plate is affixed to the bottle bottom, then the heating efficiency is improved and energy loss is reduced, but the structure becomes more complex with multiple layers

Engineering Contradiction:
Improveenergy lossVSAvoidheater plate structure
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The heater plate utilizes thin adhesive layers and flexible heating elements that can conform to the bottle bottom shape. These thin-film structures achieve complete surface contact for efficient heat transfer without adding significant structural complexity or bulk to the device.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The heater plate assembly employs composite material layers including adhesive layers and heating elements that work together to achieve both the conformal fit for energy efficiency and the structural integrity. The composite structure manages complexity by integrating multiple functions into a unified multi-layer assembly.

Inventive Principle:
Principle #40Composite materials

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 maintains consistent heating efficiency and reduces energy loss by ensuring the heater plate adheres to the bottle, even under external forces, and enhances the visual effect with adjustable lighting.

Implementation Method 1

The heater plate includes an adhesive layer, an insulating layer, a heating layer and a wrapping layer. The insulating layer is tightly adhered to the bottom of the transparent lava lamp bottle by the adhesive layer, and the heating layer is wrapped around the insulating layer by the wrapping layer.

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

The heater plate is configured to heat the bottom of the transparent lava lamp bottle

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

The insulating layer is tightly adhered to the bottom of the transparent lava lamp bottle by the adhesive layer

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS12117145B1Heater-plate-affixed light-emitting diode lava lamp
Publication Date: 2024.10.15 MA LISHAN
  • US12117145B1 patent drawing
  • US12117145B1 patent drawing
  • US12117145B1 patent drawing

AI summary

A heater-plate-affixed LED lava lamp includes: a base defining a chamber and a transparent lava lamp bottle located on the base. A control device is located in the chamber and includes a control circuit board located at the bottom of the chamber and a heat-generating module connected to the control circuit board. The heat-generating module includes a heater plate affixed to the bottom of the transparent lava lamp bottle to generate heat. By affixing the heater plate to the bottom of the transparent lava lamp bottle, the heater plate, when the lava lamp is subjected to an external force, can maintain being-affixed state without shaking or randomly swaying, which ensures the heating efficiency. Meanwhile, the way of using the heater plate to heat also enables the heating plate to be completely adhered to the transparent lava lamp bottle, which reduces the loss of heat and avoids the waste of energy.