Daisy Chain Heater Modules with Shielded Power Injection

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Solution Overview

Problem

Existing pipe heater systems face challenges with complexity, cumbersome assembly, susceptibility to water leakage, magnetic interference, RF electromagnetic radiation, and other environmental issues, which complicates their installation and operation.

Innovation Solution

A heater apparatus with daisy chain connectable modules and power injection devices, featuring water-tight connectors, protective shields against environmental factors, and simplified connectivity to ensure reliable power and communication transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If heater modules are connected in daisy chain fashion with multiple components for versatility and control features, then the functionality and control capability are improved, but the assembly complexity and susceptibility to water leakage increase

Engineering Contradiction:
Improvecontrol capabilityVSAvoidassembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The heater system is divided into modular heater modules that can be connected in daisy chain fashion. Each module is a self-contained unit with standardized connectors, allowing versatile configurations while simplifying assembly through repeatable modular units rather than complex integrated systems

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heater modules use universal connectors that handle both power injection and communication functions through integrated designs. The front and intermediate daisy chain power injection capability allows the same module type to serve multiple positions in the chain, reducing the variety of components needed

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If heater modules are connected in daisy chain fashion with multiple components for versatility and control features, then the functionality and control capability are improved, but the susceptibility to water leakage and environmental damage increases

Engineering Contradiction:
Improvecontrol capabilityVSAvoidwater leakage susceptibility
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The connector assemblies are enclosed in protective jackets that seal around the cords and connections. These flexible protective enclosures prevent water and moisture from reaching electrical components while allowing the modular connectors to maintain their electrical and communication functions

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

By segmenting the system into modular units with standardized sealed connectors, each connection point can be independently protected. The daisy chain architecture limits water damage propagation to individual modules rather than affecting the entire system

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If heater modules are connected in daisy chain fashion with multiple components for versatility and control features, then the functionality and control capability are improved, but the susceptibility to magnetic interference and RF electromagnetic radiation increases

Engineering Contradiction:
Improvecontrol capabilityVSAvoidelectromagnetic interference
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The protective jackets enclosing the connector assemblies and cords provide shielding against electromagnetic interference. These enclosures act as Faraday cages that block RF electromagnetic radiation and magnetic fields from reaching sensitive communication and control circuits

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The protective jacket serves as an intermediary barrier between the electrical/communication components and the external electromagnetic environment. It mediates the interaction by providing a shielded pathway for electrical signals while blocking harmful electromagnetic radiation

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If heater modules are connected in daisy chain fashion with multiple components for versatility and control features, then the functionality and control capability are improved, but the ease of assembly and mounting decreases

Engineering Contradiction:
Improvecontrol capabilityVSAvoidease of assembly
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system is segmented into standardized modular units with uniform connectors. This allows assembly through simple repetition of the same connection procedure rather than dealing with multiple different component types and assembly methods, improving ease of assembly while maintaining versatility

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Universal connectors handle multiple functions (power injection, communication, control) through a single standardized interface. This consolidates multiple connection operations into one action, making assembly easier while providing comprehensive control capability

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 solution provides a water-resistant, efficient, and easy-to-assemble pipe heating system that minimizes environmental interference, ensuring reliable operation and reduced maintenance.

Implementation Method 1

resistive wires and tape wrapped around the pipes to more sophisticated, insulated pipe heaters

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentEP3138362B1Streamlined heater assembly with front and intermediate daisy chain power injection, shielding, and water resistant features
Publication Date: 2020.05.27 MKS INSTR INC
  • EP3138362B1 patent drawingFigure 1
  • EP3138362B1 patent drawingFigure 2
  • EP3138362B1 patent drawingFigure 3

AI summary

Heater modules (12) are configured for streamlined daisy chain connectivity that includes front end and intermediate daisy chain power injection devices (14), water resistant heater assemblies (20, 32, 34), and shielding (210). A power injection device (14) is configured with connectivity for insertion of power into heater modules (12) that are in front and intermediate daisy chain positions while enabling data communications between heater modules (12) positioned on opposite sides of the power injection locations.