Conductive Housing with Insulating Cladding for Wiring Installation
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Solution Overview
Problem
The existing methods for installing wiring sets in motor vehicle body frames are costly, cumbersome, and difficult to seal effectively, particularly at transition points between wet and dry areas.
Innovation Solution
A housing designed to receive and hold circuit boards, featuring a conductive housing body with an insulating cladding and predetermined contact points, which simplifies the installation and sealing of wiring sets by allowing modules to be pre-assembled outside the vehicle frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional wiring set is manufactured completely outside the vehicle body frame and then brought in for installation, then the wiring set can be produced in a controlled environment, but it becomes particularly heavy and difficult to handle, and the installation process becomes cumbersome and expensive
Solution Approach 1:
The wiring set is divided into multiple separate wiring sections, each with its own housing and circuit board assembly. These segmented sections can be manufactured independently outside the vehicle and then easily installed separately into the vehicle body frame, reducing handling difficulty while maintaining manufacturing control
Solution Approach 2:
The circuit boards are pre-assembled and electrically connected to the wiring sections outside the vehicle in a controlled environment. This preliminary assembly allows for quality control and testing before installation, while the pre-prepared sections are lighter and easier to handle than a complete wiring harness
2Adaptability or versatility
If the wiring set is laid through the transition point of the structural element to connect wet and dry areas, then electrical connectivity is achieved, but sealing becomes particularly difficult and requires many successive manipulations
Solution Approach 1:
A sealing device is introduced as an intermediary element at the transition point where the wiring section passes through the structural element. This sealing device simplifies the sealing process by providing a pre-formed sealing solution that requires fewer manipulations compared to traditional methods of sealing around wiring harnesses
Solution Approach 2:
The housing of the wiring section serves multiple functions: it protects the circuit board, provides structural support, and integrates with the sealing device to create a unified solution that addresses both electrical connectivity and moisture protection at the transition point
3Reliability
If a sealing device is used to prevent moisture ingress at the transition point, then moisture protection is achieved, but the sealing device must cling particularly close to the lines of the wiring set, which is particularly difficult to realize
Solution Approach 1:
The sealing device is designed to self-adjust and cling closely to the wiring section lines through its own elastic or compliant properties. This self-service capability eliminates the need for complex installation procedures or additional tools to achieve proper sealing contact
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 housing enables the easy and economical installation of wiring sets by allowing pre-assembly of modules outside the vehicle frame, while providing effective sealing to prevent moisture ingress, thus improving the efficiency and reliability of the wiring system.
Implementation Method 1
The housing features a cladding layer which is electrically insulating and with which the housing body is coated
Implementation Method 2
The housing body is electrically conductively connected in a positively bonded manner with the electrical energy supply network
Data Source
AI summary
A housing and a circuit arrangement includes a housing body that features an electrically conductive housing base element and a housing wall element. The housing body is coated with an electrically insulating cladding layer. The housing includes a fastening device that has an electrically conductive contacting unit and a mechanical attaching unit. The electrically conductive contacting unit, in the intended installation position, is directly electrically contacted with the housing body at the electrical contacting point, extends into the circuit board compartment and is also arranged so as to be electrically conductively contacted in the circuit board compartment with a corresponding contacting unit of the circuit board. The mechanical attaching unit is arranged to be mechanically connected in the circuit board compartment to a corresponding attaching unit of the circuit board in order to mechanically affix the circuit board in the circuit board compartment.