Electromagnetic Brake Anti-Condensation Heating Groove
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Solution Overview
Problem
Existing electromagnetic brakes face challenges in rapid and uniform heating, with complex assembly and maintenance processes, and inadequate protection of heating devices, particularly in applications where moisture condensation is a concern, such as in ship or crane systems exposed to extreme weather.
Innovation Solution
The electric heating element is integrated into a receiving groove of the stationary brake element, which acts as a heat sink, allowing for direct heating and reduced assembly complexity, with configurations that include a disc-shaped coil body or flange plate for easy access and efficient heat transfer, and optionally bifilar heating conductors for enhanced heating capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If heating devices are arranged on brake shoes or brake pads, then moisture prevention is improved, but the interior of the brake is insufficiently heated
Solution Approach 1:
The stationary brake element itself serves as both the heat sink and heating element by integrating the electric heating element directly into its structure through the receiving groove. This self-service approach eliminates the need for separate heating devices on brake shoes while ensuring comprehensive heating of the brake interior, as the stationary brake element is thermally coupled to all rotating brake elements.
2Temperature
If a sleeve-shaped resistance wire is used in disc brakes, then heating coverage is improved, but assembly steps and maintenance complexity increase
Solution Approach 1:
The receiving groove integrates multiple functions into a single structural feature: it holds the electric heating element, provides thermal coupling between the stationary brake element and heating element, and eliminates the need for separate sleeve-shaped resistance wires. This merging reduces assembly steps while maintaining comprehensive heating coverage of the brake interior.
3Productivity
If heating devices are integrated into brake structures, then heating efficiency is improved, but protection during installation and maintenance deteriorates
Solution Approach 1:
The receiving groove is pre-formed in the stationary brake element during manufacturing, creating a protected recess that holds the electric heating element in place before installation. This preliminary structural preparation ensures the heating element is properly positioned and protected during installation and maintenance operations, while still enabling rapid heating when activated.
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 enables rapid and uniform heating of the brake interior, reducing the risk of condensation and corrosion, while simplifying assembly and maintenance by minimizing the number of assembly steps and providing easy access to the heating element.
Implementation Method 1
an anti-condensation heater (15) comprising an electric heating element (17), with the electric heating element (17) on the at least one stationary brake element (3)
Implementation Method 2
the electric heating element heats the stationary brake element directly via the groove, so that the stationary brake element serves as a heat sink and heating element
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The electromagnetic brake (1) comprise brake elements (2a,2b,3), which is stationary against the rotation of shaft (10). The heating element (17) is arranged in a groove (16) of the stationary brake element running coaxial to longitudinal direction of the shaft. The electromagnetic brake is arranged in a connecting manner with the shaft and the heating element is arranged at stationary brake element. The electrical heating element heats the stationary brake element directly over the groove, so that the stationary brake element serves as heat sink and heating element.