Prtable picnic barbecue grill
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing barbecue grills are difficult to ignite, have short burning times, lack concentrated flames, and are slow in grilling speed, making them inconvenient to use, especially when adding charcoal.
Innovation Solution
A portable picnic barbecue grill with a furnace shell featuring a slope feeding port, a blower nozzle, an I-shaped hearth structure, and an air blower for concentrated flame control, along with a movable bracket system and anti-scalding handle for safety and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional grill structure is used, then the structure is simple, but it is difficult to ignite and the burning time is short
Solution Approach 1:
The hearth is divided into two separate chambers: a feeding hopper for adding charcoal and a combustion chamber for burning. This segmentation allows independent access to fuel supply and combustion zones, enabling easier ignition and extended burning time without complicating the overall structure.
Solution Approach 2:
An air blower is introduced as an intermediary device to actively supply oxygen to the combustion chamber. This mediator enhances the combustion process, making ignition easier and burning more sustained, while the air blower can be controlled independently without redesigning the entire grill structure.
2Productivity
If a traditional grill structure is used, then the structure is simple, but the flame cannot be concentrated and the grilling speed is slow
Solution Approach 1:
The combustion chamber is designed with specific local characteristics including air vents positioned to create concentrated upward airflow. This local quality enhancement focuses the flame in the center of the combustion chamber, increasing grilling speed without requiring complex modifications to the entire grill structure.
Solution Approach 2:
The air blower creates a controlled pneumatic environment in the combustion chamber, generating concentrated upward airflow that intensifies the flame. This pneumatic approach concentrates heat delivery to the grilling surface, significantly improving grilling speed while adding only one controllable component to the system.
3Ease of operation
If charcoal is added to a traditional grill, then the grill can be refueled, but the grill needs to be removed which is more troublesome to use
Solution Approach 1:
The feeding hopper is designed as a separate, accessible component positioned above the combustion chamber. This segmentation allows users to add charcoal directly into the feeding hopper without removing or disassembling the main grill body, greatly improving ease of operation while maintaining simple overall structure.
Solution Approach 2:
The feeding hopper is pre-positioned and structurally integrated into the grill assembly during manufacturing. This preliminary arrangement ensures that charcoal can be conveniently added at any time during operation without requiring the user to perform complex assembly or disassembly operations.
4Loss of energy
If the flame is dispersed in a traditional grill, then the heating area is large, but the heating effect is poor and fuel consumption is high
Solution Approach 1:
The combustion chamber design creates localized high-temperature zones through strategic air vent placement and airflow patterns. This concentrates thermal energy where it is most needed for efficient cooking, improving heating effect while reducing overall fuel consumption compared to dispersed flame configurations.
Solution Approach 2:
The air blower creates controlled airflow patterns that concentrate the flame in the center of the combustion chamber rather than allowing it to disperse. This pneumatic control directs thermal energy efficiently onto the grilling surface, improving heating effect and reducing fuel waste from dispersed flames.
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 grill provides a convenient, efficient, and fuel-saving cooking experience with a concentrated flame, allowing for easy charcoal addition and accommodating various pot sizes, while ensuring safety and stability.
Implementation Method 1
a blower nozzle connected to an air blower is provided at the bottom of the furnace shell... the air blower can accelerate the burning speed of the flame in the hearth
Implementation Method 2
the bottom of the hearth is provided with a combustion chamber... uses fuel to heat and dry air, and places the food in the hot dry air
Implementation Method 3
the top of the furnace shell is provided with a feeding port with a slope structure... so that the grill on the movable bracket does not need to be removed to add fuel to the hearth
Data Source
AI summary
The present disclosure belongs to the technical field of barbecue products, especially a portable picnic barbecue grill, comprises a furnace shell, wherein top side of the furnace shell is provided with a feeding port with a slope structure, bottom side of the furnace shell is provided with a blower nozzle, inside of the furnace shell is fixedly provided with a hearth, the hearth comprises a feeding hopper at the top and a combustion chamber at the bottom, the feeding hopper and the combustion chamber are combined to form the hearth with an I-shaped structure; the top of the furnace shell is provided with three movable brackets that are rotatably connected by a mounting frame, a furnace end is automatically adaptable to the bottom of the pot through the movable brackets and is suitable for different sizes of woks or grills. The present disclosure has a wide range of applications.