Overflow Distributor for Precise Block Storage Liquid Supply

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Solution Overview

Problem

Existing block storage elements in greenhouse systems require complex components like valves and sophisticated controllers to manage liquid supply and nutrient distribution, which complicates assembly, control, and maintenance.

Innovation Solution

A method and design for block storage elements that utilize an overflow distributor with a distributor limit and passageways to throttle liquid flow into a tub area, eliminating the need for valves and electronic controllers by using the overflow to manage excess liquid.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If valves and electronic controllers are used to manage liquid supply, then liquid supply control is achieved, but device complexity increases

Engineering Contradiction:
Improveliquid supply controlVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The overflow distributor is designed to automatically regulate liquid supply to the tub area using passive hydraulic principles. The distributor limit and passageways create a self-regulating system where excess liquid automatically flows through the overflow when the liquid level exceeds a predetermined threshold, eliminating the need for active control components like valves and electronic controllers.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system utilizes hydraulic principles through the overflow distributor design, where liquid flow is controlled by the physical geometry of the distributor limit and passageways. The hydraulic action of liquid pressure and flow naturally regulates the supply to the tub area without requiring mechanical or electronic intervention.

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Measurement precision

If valves and electronic controllers are used, then precise liquid supply control is achieved, but ease of operation deteriorates

Engineering Contradiction:
Improveliquid supply precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The overflow distributor automatically maintains precise liquid level control in the tub area through its passive hydraulic design. The system self-regulates by allowing excess liquid to flow through the overflow when the liquid level rises above the distributor limit, eliminating the need for manual operation or complex control systems while maintaining precision.

Inventive Principle:
Principle #25Self-service

3Reliability

If valves and electronic controllers are used, then liquid supply management is achieved, but ease of repair deteriorates

Engineering Contradiction:
Improveliquid supply managementVSAvoidease of repair
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The invention extracts and removes the complex control components (valves and electronic controllers) from the liquid supply system, retaining only the essential overflow distributor structure. This simplification makes the system easier to repair and maintain while preserving the core liquid supply management function through passive hydraulic operation.

Inventive Principle:
Principle #2Taking out (Extraction)

4Measurement precision

If the passageway cross section is made smaller to throttle liquid flow, then liquid supply precision is improved, but device complexity increases

Engineering Contradiction:
Improveliquid supply precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The passageway cross-sectional area is carefully designed and dimensioned to provide the desired throttling effect for precise liquid supply control. By optimizing this geometric parameter during the design phase, the system achieves precise flow regulation without requiring complex adjustable mechanisms or additional components.

Inventive Principle:
Principle #35Parameter changes

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 solution simplifies the design and operation of block storage elements by providing a precise and targeted liquid supply to the tub area without the need for complex components, reducing maintenance and operational costs while ensuring uniform liquid distribution.

Implementation Method 1

the liquid is throttled by at least one passageway arranged in the distributor limit

Methodology Applied
Scientific EffectThrottling: Pressure Drop

Implementation Method 2

liquid that is not drained by way of the at least one passageway is discharged via the overflow

Methodology Applied
Scientific EffectOverflow discharge: Gravitation

Data Source

PatentUS12215794B2Liquid supply of a block storage element
Publication Date: 2025.02.04 JUNGHEINRICH AG
  • US12215794B2 patent drawing
  • US12215794B2 patent drawing

AI summary

Block storage element and method for supplying liquid to a block storage element. The block storage clement has an overflow and the method includes introducing the liquid into an overflow distributor with a distributor limit. The liquid is throttled by at least one passageway arranged in the distributor limit and gets into a tub area of the block storage element, and the liquid that is not drained by way of the at least one passageway is discharged via the overflow.