ABS Hydraulic Unit Control Circuit Board Layout
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Solution Overview
Problem
Conventional ABS hydraulic units require a larger control circuit board to accommodate an increased number of valves, leading to unnecessary size changes as the number of hydraulic circuits grows, which complicates design and manufacturing.
Innovation Solution
The ABS hydraulic unit design features a block with a motor and valve assembly where the control circuit board extends along a second surface, intersecting with the first, and uses flexible wires to connect the motor and valves, allowing for a common wire configuration that maintains a consistent control circuit board size regardless of the number of hydraulic circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of valves is increased to support more hydraulic circuits, then the functionality and versatility of the ABS hydraulic unit is improved, but the size of the block and control circuit board increases
Solution Approach 1:
The patent transitions from a planar arrangement where the control circuit board covers the valves to a three-dimensional arrangement where the control circuit board is positioned at a different level (second surface intersecting the first surface). This vertical separation allows the control circuit board size to be decoupled from the valve array size, resolving the contradiction between supporting more hydraulic circuits and maintaining a compact control board.
2Adaptability or versatility
If the number of valves is increased to support more hydraulic circuits, then the functionality and versatility of the ABS hydraulic unit is improved, but the size of the block increases
Solution Approach 1:
The patent merges the control circuit board and valve array into a single integrated block structure, where both components are assembled into the same block but at different surfaces. This integration allows for optimized space utilization and reduces the overall block size compared to separate mounting arrangements.
3Adaptability or versatility
If the control circuit board size is increased to accommodate more valves, then the connectivity and control capability is improved, but the manufacturing complexity and design variation increases
Solution Approach 1:
The patent creates a universal block design with standardized first and second surfaces that can accommodate different numbers of valves and control circuit board configurations. The wire harness system provides universal electrical connectivity that can serve multiple valve arrangements, allowing the same basic block design to be used across different ABS configurations (single-wheel, dual-wheel, etc.).
Data Source
AI summary
Provided is an ABS hydraulic unit where it is unnecessary to change a size of a control circuit board corresponding to a size of a block. An ABS hydraulic unit for performing an antilock brake control of a hydraulic brake includes: a pump and a valve mounted in a hydraulic circuit for making the hydraulic brake perform braking; a motor for operating the pump; a block into which the pump, the valve and the motor are assembled; and a control circuit board for controlling the motor and the valve, wherein the block has a first surface into which. the motor and the valve are assembled, and a second surface which intersects with the first surface, and the control circuit board is arranged such that the control circuit board extends along the second surface and the valve is positioned between the control circuit board and the motor, the control circuit board being electrically connected with the motor and the valve through a wire extending along the first surface.