Induction Heating Device Lever Mechanism Assembly
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Solution Overview
Problem
Existing induction heating devices for induction hobs face difficulties in assembly and disassembly due to the separation of the coil unit and converter unit, which requires additional space and increased assembly effort, and existing integrated designs complicate thermal insulation and cooling.
Innovation Solution
The induction heating device employs a lever device to adjust the distance between the coil unit and the converter unit, allowing for easy height adjustment and separation, using a pair of scissor levers for mechanical connection and thermal separation, enabling quick and reliable assembly by pressing the coil unit against the hob plate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the coil unit and converter unit are separated into separate units, then thermal separation is improved, but assembly and disassembly become more difficult and device complexity increases
Solution Approach 1:
The induction heating device is divided into two separate units: a coil unit containing the induction coil and a converter unit containing the electronics. This segmentation allows thermal separation during operation while maintaining a unified functional system through the lever device connection.
Solution Approach 2:
A lever device serves as an intermediary mechanical connection between the coil unit and converter unit. This intermediary component enables both units to be mechanically connected and electrically connected while maintaining spatial separation for thermal management, and facilitates easy assembly and disassembly.
2Ease of manufacture
If the coil unit and converter unit are integrated into a single unit, then assembly effort is reduced, but thermal insulation requirements increase and cooling effort is increased
Solution Approach 1:
The device is segmented into coil unit and converter unit that can be easily assembled together via the lever device while remaining thermally separable. The segmentation allows simple assembly without requiring complex thermal insulation measures.
Solution Approach 2:
The lever device provides a dynamic mechanical connection that allows the coil unit to be positioned at an optimal distance from the converter unit. This dynamic positioning enables easy assembly while maintaining thermal separation, avoiding the need for fixed thermal insulation structures.
3Productivity
If multiple induction heating devices are arranged next to one another, then productivity is improved, but the required space and device complexity increase
Solution Approach 1:
Each induction heating device is segmented into compact coil unit and converter unit connected by a lever device. This segmentation reduces the overall space requirement per device, enabling multiple devices to be arranged in limited space without excessive complexity.
Solution Approach 2:
The lever device serves multiple functions: mechanical connection, electrical connection, and thermal separation. This multi-functionality reduces the overall space requirement and simplifies the design when multiple devices are arranged together, as each device uses the same compact configuration.
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
This design simplifies the assembly and disassembly process by allowing the coil unit to be adjusted in height, accommodating varying gaps between the hob plate and lower boundary plate, while maintaining thermal separation and reducing assembly complexity.
Implementation Method 1
An induction coil of the induction heating device generates an induction field in the form of an alternating magnetic field, which generates eddy currents by induction in a pot arranged on the hob plate, which heat the pot due to its ohmic resistance.
Implementation Method 2
An induction coil of the induction heating device generates an induction field in the form of an alternating magnetic field, which generates eddy currents by induction in a pot arranged on the hob plate
Implementation Method 3
which generates eddy currents by induction in a pot arranged on the hob plate, which heat the pot due to its ohmic resistance
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
An induction heating device for an induction cooktop comprises a coil unit (5), which has at least one induction coil (8) for generating an induction field, and a converter unit (6), which has at least one converter (9) for controlling the induction coil (8) and to which the coil unit (5) is mechanically connected. The coil unit (5) is connected to the converter unit (6) via a lever device (13, 14) and can be raised and lowered relative to the converter unit (6) by means of at least one actuating element (20). In a set position, the coil unit (5) can be displaced against the spring force of at least one spring (29) acting on a lever (13) of the lever device (13, 14) over a spring travel in the direction of the converter unit (6).