Telescopic Fluid Dispensing with Pump Wear Balancing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fluid dispensing systems for washing motor vehicle parts, particularly those with telescopic nozzles, face issues such as uneven wear in pumps leading to premature servicing needs and the inability to maintain fluid flow when telescopic dispensers are not fully retracted due to residual fluid, causing operational inefficiencies.
Innovation Solution
A fluid dispensing system with multiple pumps arranged at different heights, a control unit that monitors and adjusts pump operation based on wear, fluid level, and target object soiling status, and a telescopic dispenser with a control valve assembly that allows residual fluid to be drained, ensuring efficient fluid delivery and extended pump life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple pumps are operated in the same way, then fluid delivery is simplified, but uneven wear is produced in the pumps leading to premature servicing needs
Solution Approach 1:
The control unit dynamically adjusts pump operation parameters based on real-time monitoring of pump characteristics and wear indicators. Each pump can operate with customized parameters (speed, pressure, flow rate) that adapt to its current condition, transforming the static uniform operation into a dynamic adaptive operation that equalizes wear across all pumps.
Solution Approach 2:
The system implements a feedback mechanism where the control unit continuously monitors pump performance parameters and wear indicators, then uses this information to adjust the operation of individual pumps. This closed-loop control ensures that pumps with higher wear are operated more conservatively, while newer pumps can handle higher loads, thereby equalizing the wear rate across all pumps.
2Volume of moving object
If telescopic fluid dispensers are disabled when not in use, then they can be fully retracted, but residual fluid trapped in the dispensers acts as a stop during backward movement
Solution Approach 1:
The control unit selectively closes valves to isolate and drain residual fluid from specific telescopic dispensers that are not currently in use. By extracting the problematic residual fluid from the retraction path, the system enables complete retraction of the dispensers without the fluid acting as a mechanical stop.
Solution Approach 2:
Before retracting telescopic dispensers, the control unit performs a preliminary action of draining residual fluid from the dispensers through valve control. This preliminary fluid removal prevents the fluid from interfering with the subsequent retraction movement, ensuring smooth and complete repositioning.
3Volume of moving object
If all telescopic fluid dispensers are disabled to be concealed in the vehicle, then they can be stored, but fluid flow cannot be maintained when a particular target object still needs washing
Solution Approach 1:
The system dynamically controls valve positions and pump operations to maintain fluid flow to specific dispensers that are currently needed for washing, while allowing other dispensers to be retracted for storage. This dynamic configuration enables the system to transition between storage and operational states for individual dispensers based on real-time washing requirements.
Solution Approach 2:
The control system segments the fluid dispensing network into independent controllable zones, allowing individual telescopic dispensers to be selectively activated or deactivated. This segmentation enables one dispenser to remain extended and operational for continued washing while others are retracted to their storage positions, maintaining both storage capability and washing continuity.
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 system ensures equal wear on pumps, maintains fluid flow even when telescopic dispensers retract, and prioritizes fluid delivery based on target object needs, extending pump life and improving operational efficiency.
Implementation Method 1
at least one pump suitable for delivering a volume of fluid present in the fluid source to be accurately determined
Data Source
Figure 1
Figure 2
AI summary
The fluid dispensing system (100) comprises at least one fluid source (110), at least one pump (130-1, 130-2, 130-3,..., 130-N), at least one telescopic fluid dispenser (140'-1', 140'-2', 140'-3',..., 140'-M'); a control unit (160) to operate the pump (130-1, 130-2, 130-3,..., 130-N) for supplying fluid (120) according to a received command of washing at least one target object (150-1, 150-2, 150-3,..., 150-O), a manifold (180), and at least one control valve assembly (V-1, V-2,..., V'-P') comprising a fluid inlet for receiving fluid from the at least one fluid source (110), a first fluid outlet for discharging fluid into the at least one telescopic fluid dispenser (140'-1, 140'-2, 140'- 3,..., 140'-M'), and a second fluid outlet for allowing fluid to flow back away from the telescopic fluid dispensers (140'-1, 140'-2', 140'-3',..., 140'-M') when retracting from the extended position to the rest position.