Heating Element Pin Reduction via Separate Wire Segmentation

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Solution Overview

Problem

Ceramic heating elements in low-temperature smoking sets lack precise temperature control due to the integration of temperature controlling wires and heating wires in a single wire, leading to temperature deviations and excessive use of electronic pins.

Innovation Solution

A heating element with separate heating and temperature controlling wires, where one end of each wire is coupled with dedicated pins and a common pin, allowing for precise temperature control and reduced pin usage through a shared electric conductor.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If temperature controlling wire and heating wire are integrated into a same wire, then device complexity is reduced, but temperature control precision deteriorates

Engineering Contradiction:
Improvewire structure complexityVSAvoidtemperature control precision
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent divides the wire system into separate heating wire and temperature controlling wire, each performing its dedicated function. This segmentation eliminates the temperature deviation problem caused by integrated wires while maintaining manageable device complexity through organized separate connections.

Inventive Principle:
Principle #1Segmentation

2Measurement precision

If separate temperature controlling wires and heating wires are used, then temperature control precision is improved, but quantity of electronic pins increases

Engineering Contradiction:
Improvetemperature control precisionVSAvoidnumber of electronic pins
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The patent merges the common connection point of heating wire and temperature controlling wire to a single common pin, reducing the total pin count. This combining strategy maintains separate wire functions for precision control while minimizing connector complexity through shared reference connections.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple temperature controlling wires and heating wires are adopted, then temperature control coverage is improved, but device complexity increases

Engineering Contradiction:
Improvetemperature control coverageVSAvoidwire and pin configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a modular wire configuration where heating wires and temperature controlling wires can be independently configured for different heating zones, while all connections converge to standardized pin interfaces. This universal connection approach enables extended temperature control coverage without proportionally increasing overall system complexity.

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

Enables precise temperature control of ceramic heating elements by separating heating and temperature detection functions, reducing electronic pin requirements and enhancing cost-effectiveness.

Implementation Method 1

a heating wire is arranged on the first surface... one end of the heating wire is coupled with the heating pin

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

a temperature controlling wire is arranged on the second surface... one end of the temperature controlling wire is coupled with the temperature controlling pin

Methodology Applied
Scientific EffectThermistor effect: Thermistor

Data Source

PatentEP4007448A1Heating element with temperature control and smoking set
Publication Date: 2022.06.01 SHENZHEN FIRST UNION TECH CO LTD
  • EP4007448A1 patent drawingFigure 1
  • EP4007448A1 patent drawingFigure 2
  • EP4007448A1 patent drawingFigure 3

AI summary

A heating element with temperature control and a smoking set having same are disclosed, the heating element includes a heating body, the heating body has a first surface and a second surface; a heating wire is arranged on the first surface and a temperature controlling wire is arranged on the second surface; a heating pin, one end thereof is coupled with one end of the heating wire; a temperature controlling pin, one end thereof is coupled with the temperature controlling wire; a common pin, one end thereof is coupled with an opposite end of the heating wire and an opposite end of the temperature controlling pin of the temperature controlling wire; by means of the common pin, the number of pins are declined to save cost.