Temperature-control device and method for the temperature control of an energy store
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Solution Overview
Problem
Conventional temperature control systems for high-performance batteries, such as those in electric or hybrid vehicles, face inefficiencies and increased complexity due to the need for mechanical components and additional components like compressors, pumps, and fluid lines, which lead to wear and tear, higher costs, and increased space requirements.
Innovation Solution
A temperature control device utilizing a Peltier element arranged between a receiving area for the energy source and a fluid area, with a control unit that supplies voltage to the Peltier element to actively transport heat from the warmer to the colder area, reducing thermal resistance and allowing for efficient control of thermal insulation without mechanical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional temperature control systems use mechanical components like compressors, pumps, and fluid lines, then temperature control capability is achieved, but system complexity increases and reliability decreases due to wear and tear
Solution Approach 1:
The patent replaces mechanical temperature control components (compressors, pumps, fluid lines) with thermoelectric Peltier elements that use electrical current to directly pump heat. This substitution eliminates moving parts and mechanical wear, reducing system complexity while improving reliability through solid-state operation.
Solution Approach 2:
The invention extracts and eliminates unnecessary mechanical components from the temperature control system. By using Peltier elements mounted directly on the battery housing, the system removes compressors, pumps, and extensive fluid line networks, keeping only the essential electrical connection and heat dissipation path.
2Ease of manufacture
If fluid-cooled systems use additional components like compressors, pumps, and fluid lines, then temperature control is achieved, but manufacturing costs and installation space requirements increase
Solution Approach 1:
The patent replaces complex mechanical fluid cooling systems with solid-state thermoelectric cooling. The Peltier elements require only electrical power connection and have no moving parts, significantly reducing manufacturing complexity, component count, and installation space while maintaining effective temperature control.
3Temperature
If Peltier elements are supplied with voltage to transport heat from warmer to colder area, then thermal resistance is reduced and heat flow is supported, but energy consumption increases
Solution Approach 1:
The patent implements dynamic control of the Peltier elements through a control unit that adjusts voltage supply based on real-time temperature monitoring. The system activates Peltier elements only when temperature differential exceeds thresholds, using them to support natural heat flow during critical periods while allowing passive heat dissipation during normal conditions, thus optimizing the balance between thermal management effectiveness and energy consumption.
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 approach enables energy-efficient temperature control by supporting natural heat flow, reducing system complexity, and eliminating the need for moving parts, thus providing a cost-effective and compact solution for battery temperature management.
Implementation Method 1
the control unit being designed to supply the Peltier element with a voltage which causes the Peltier element to transport heat from the warmer of the receiving or fluid area to the colder of the receiving or fluid area
Implementation Method 2
If, for example, the battery reaches its upper temperature limit due to heavy load, but the environment is cold enough, the battery should be protected from overheating by means of heat conduction and convection
Data Source
AI summary
The invention relates to a temperature-control device for the temperature control of an energy source (B), wherein the temperature-control device comprises a temperature-control unit (100), which has at least one Peltier element (130) which is arranged between an accommodation area (110) for the energy source and a fluid area (120) in a thermally effective manner. Furthermore, the temperature-control device comprises a control unit (320) for supplying voltage to the Peltier element (130), wherein the control unit (320) is designed to supply a voltage to the Peltier element (130), which causes the Peltier element (130) to transfer heat from the hotter part of the accommodation area (110) or fluid area (120) to the colder part of the accommodation area (110) or fluid area (120).