Hydraulic Control Plate Assembly With Integrated Electrical Conductor Sealing
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Solution Overview
Problem
Existing hydraulic control systems face challenges in production and functionality, particularly in preventing unwanted leakage between control plates and requiring separate fastening means for electrical conductor devices.
Innovation Solution
Incorporating an electrical conductor device into an intermediate element between control plates, surrounded by plastic material for sealing and insulation, which also serves as a reinforcement, eliminating the need for separate fastening means and enhancing electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an electrical conductor device is attached separately to the control plate arrangement, then electrical connections are provided, but additional fastening means are required which increase device complexity
Solution Approach 1:
The electrical conductor device is integrated into the intermediate element by embedding it within the plastic material. This merging of functions eliminates the need for separate attachment mechanisms, as the intermediate element itself serves both as a structural component and as the electrical conductor carrier.
Solution Approach 2:
The intermediate element is designed to perform multiple functions simultaneously: it provides mechanical support between control plates, ensures hydraulic sealing through its plastic material, and carries electrical conductor devices for electrical connections. This multi-functionality reduces the overall number of components needed.
2Reliability
If plastic material is used to surround the electrical conductor device, then sealing and electrical insulation are provided, but creep behavior may cause unwanted leakage
Solution Approach 1:
The plastic material is specifically selected to have a low degree of creep behavior, meaning its physical and mechanical properties are optimized to resist deformation under constant stress. This parameter selection ensures the sealing faces maintain their integrity over time without unwanted viscoelastic deformation.
3Ease of manufacture
If the same fastening means are used for both control plates and electrical conductor device, then assembly is simplified, but structural requirements must be met
Solution Approach 1:
The fastening means serves dual purposes: it secures the control plates to each other and simultaneously anchors the electrical conductor device within the intermediate element. This combined fastening approach simplifies assembly by using a single fastening operation to achieve multiple securing objectives.
4Reliability
If separate fastening means are used for electrical conductor device, then electrical connections are secured, but production time and complexity increase
Solution Approach 1:
The intermediate element with embedded electrical conductor device is designed as a self-contained unit that is pre-assembled before integration into the control plate arrangement. This self-service approach allows the electrical conductor device to be positioned and secured within the intermediate element during its manufacturing process, rather than requiring separate fastening operations during final assembly.
Data Source
AI summary
The disclosure relates to a hydraulic control unit of plate-form design, having a control plate arrangement which includes at least two control plates between which an intermediate element is arranged, which has apertures and bears with a first sealing face against a first control plate and with a second sealing face against a second control plate (4). In order to improve the hydraulic control functionally and/or in terms of production, an electrical conductor device is incorporated into the intermediate element