In-Ground Enclosure Layout for Compact Cell Tower Equipment

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Solution Overview

Problem

Cell towers require large land areas and are limited in handling capacity, necessitating efficient and compact solutions for housing electrical components while maintaining environmental and operational integrity.

Innovation Solution

An in-ground enclosure system with compartments and compartments, utilizing corrosion-resistant materials, heat transfer particles, and a gas handling system to maintain airtight and watertight conditions, along with lift systems for equipment and battery racks, and a Faraday shield for electromagnetic interference protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If cell towers are placed in sprawling structures to house electrical components, then the housing capacity is sufficient, but the land area required increases significantly

Engineering Contradiction:
Improvehousing capacityVSAvoidland area
Core Design Contradiction:
Quantity of substanceVSArea of stationary object

Solution Approach 1:

The patent implements nesting by placing equipment racks containing electrical components inside an above-ground enclosure that is positioned within a larger in-ground structure. The in-ground portion provides structural support and environmental protection, while the above-ground enclosure houses the equipment, creating a nested configuration that maximizes housing capacity while minimizing land footprint.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent transitions from a traditional horizontal sprawl to a vertical configuration by extending the enclosure both above and below ground level. The in-ground portion extends downward to provide structural support, while the above-ground portion extends upward to house equipment, utilizing the vertical dimension to increase housing capacity without proportionally increasing land area.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of operation

If traditional above-ground enclosures are used to house electrical components, then accessibility is easy, but protection from environmental factors and electromagnetic interference is insufficient

Engineering Contradiction:
ImproveaccessibilityVSAvoidenvironmental protection
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The above-ground enclosure is nested within the in-ground structure, providing multiple layers of environmental protection. The in-ground portion shields against ground moisture and physical damage, while the above-ground enclosure provides additional protection and maintains accessibility through its open-top design with removable covers.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

A Faraday shield is introduced as an intermediary element between the electrical components and the external electromagnetic environment. The conductive Faraday shield creates an electromagnetic barrier that protects sensitive equipment from interference while allowing the enclosure to remain accessible.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Area of stationary object

If compact in-ground structures are used to reduce land area, then space efficiency improves, but complexity of ensuring airtight and watertight conditions increases

Engineering Contradiction:
Improveland areaVSAvoidsealing complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The enclosure is segmented into distinct in-ground and above-ground portions with separate sealing systems. The in-ground portion uses flange and gasket connections for airtight and watertight sealing, while the above-ground portion uses removable covers with seals. This segmentation allows each portion to be optimized for its specific sealing requirements, managing overall complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Gaskets and sealing elements are introduced as intermediary components between mating surfaces to ensure airtight and watertight connections without requiring complex custom-fitted joints. These standardized sealing elements simplify the assembly process while maintaining the necessary protection levels.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Ease of operation

If equipment racks are installed at ground level for easy access, then accessibility is maximized, but protection from physical damage and environmental factors is reduced

Engineering Contradiction:
ImproveaccessibilityVSAvoidphysical protection
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

Equipment racks are nested within the above-ground enclosure, which itself is nested within the in-ground structure. This nested configuration elevates equipment above ground level for protection against physical damage and environmental factors, while the above-ground enclosure maintains accessibility through its open design and removable covers.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 provides a compact, durable, and efficient housing for electrical components, maintaining positive pressure and thermal management, while preventing corrosion and electromagnetic interference, thus enhancing the operational capacity and reliability of cell towers.

Implementation Method 1

The in-ground enclosure can include heat transfer particles distributed within the sidewall gap

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

a gas handling system adapted for maintaining a positive pressure within the first and second compartments

Methodology Applied
Scientific EffectPressure control: Pressure Increase

Implementation Method 3

a Faraday shield for electromagnetic interference protection

Methodology Applied
Scientific EffectElectromagnetic shielding: Faraday Cage

Data Source

PatentEP3607676B1In-ground enclosure system
Publication Date: 2025.11.12 BOBSBOX LLC
  • EP3607676B1 patent drawingFigure 1
  • EP3607676B1 patent drawingFigure 2
  • EP3607676B1 patent drawingFigure 3

AI summary

An in-ground enclosure for housing electrical components is provided. The in-ground enclosure can include an outer shell, a first compartment located within the outer shell, a second compartment located within the outer shell, an upper panel comprising a first compartment opening for accessing the first compartment and a second compartment opening for accessing the second compartment, a dividing wall separating the first compartment from the second compartment, a first compartment cover adapted for removably sealing the first compartment opening, and a second compartment cover adapted for removably sealing the second compartment opening. A telecommunications base station is also provided. The telecommunications base station can include an in-ground enclosure and a cellular base station, which can include an antenna coupled to signal processing equipment and a power supply.