Hinged LED Light Bar Cover with Magnetic Auto Shut-Off

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Solution Overview

Problem

Existing LED light bars require manual removal and reattachment of covers, leading to safety hazards, exposure to dust and heat, and inefficient energy use, with standard covers not securely attached, causing damage and wasting energy when left on.

Innovation Solution

An LED light bar with a hinged cover that automatically shuts off the lights when closed, featuring a solar panel for backup power, rubber pads for protection, and secure magnetic attachment to prevent slippage, allowing easy opening and closing without complete removal and reducing storage space needs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If the cover is manually removed or attached to the light bar, then the light bar can be protected from dust and heat, but the driver or vehicle may be injured or damaged during the process

Engineering Contradiction:

Improveprotection from dust and heatVSAvoidsafety during cover attachment

Core Design Contradiction:

Object-affected harmful factorsVSReliability

Solution Approach 1:

The cover is designed to be self-attaching through magnetic attraction between the cover and the light bar body. The magnetic force automatically secures the cover in place without requiring manual handling, thereby protecting the light bar from dust and heat while eliminating safety hazards associated with manual attachment and removal.

Inventive Principle:

Principle #25Self-service

2Reliability

If the cover is securely attached to the light bar, then the cover will not slip out or fly away during driving, but the attachment mechanism becomes more complex

Engineering Contradiction:

Improvesecure attachment of coverVSAvoidattachment mechanism

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The traditional mechanical attachment mechanisms (screws, clips, or latches) are replaced with a magnetic attachment system. The magnetic force provides secure attachment that prevents the cover from slipping out or flying away during driving, while significantly simplifying the overall attachment mechanism and enabling easy installation and removal.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If the light bar remains on when the cover is closed, then the lights are always available, but energy is wasted and the vehicle battery may be depleted

Engineering Contradiction:

Improvelight availabilityVSAvoidenergy consumption

Core Design Contradiction:

Ease of operationVSLoss of energy

Solution Approach 1:

The system uses the cover's position as feedback to control the light bar operation. When the cover is closed (detected via magnetic proximity or mechanical switch), the light bar automatically turns off. This feedback mechanism ensures energy efficiency by preventing unnecessary energy consumption while maintaining light availability when the cover is open.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The light bar system automatically adjusts its operation based on the cover position without requiring manual intervention. The system self-regulates power consumption by turning off the lights when the cover is closed, eliminating energy waste while maintaining operational readiness when needed.

Inventive Principle:

Principle #25Self-service

4Ease of repair

If the cover is frequently removed and reattached, then the light bar can be accessed for maintenance, but the process is time-consuming and inconvenient

Engineering Contradiction:

Improveaccess to light barVSAvoidtime for cover attachment

Core Design Contradiction:

Ease of repairVSLoss of time

Solution Approach 1:

The magnetic attachment system replaces complex mechanical fastening mechanisms, allowing the cover to be quickly attached or removed by simply bringing it near the light bar. The magnetic force automatically secures the cover in place, reducing the time and effort required for maintenance access while maintaining ease of repair.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 secure attachment, protects the light bar from dust and heat, automatically turns off the lights, and offers backup power through solar charging, enhancing safety and reducing storage requirements.

Implementation Method 1

The LED light bar may further comprise a solar panel installed on the top portion of the LED light bar body and be configured for supplying a back-up power to the plurality of first and second LED lights

Methodology Applied

Scientific EffectSolar energy conversion: Photovoltaic Effect

Implementation Method 2

secure magnetic attachment to prevent slippage

Methodology Applied

Scientific EffectMagnetic attachment: Magnetism

Data Source

PatentUS10259381B2LED light bar cover with auto shut off light switch

Publication Date: 2019.04.16 OH KWANG J

AI summary

An LED light bar is provided, comprising an LED light bar body, a cover, and a light shut-off switch. The cover has a closing surface portion and a rear surface portion and is connected to the LED light bar body through hinges at the two side portions for closing and opening the first LED lights on the front portion, and the cover has at least two stable deploying positions including a closing position and an opening position. The light shut-off switch is provided on the first portion of the LED light bar body for turning off the first LED lights while the cover is in the closing position. The LED light bar may further comprise second LED lights disposed on the closing surface portion of the cover, and the light shut-off switch is further configured for turning off the second LED lights while the cover is in the closing position.