Vehicle Heat Circulation System with Integrated Water Loop
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Solution Overview
Problem
Existing vehicle heat systems cannot simultaneously supply hot water, cold water, and efficiently manage cabin and battery temperature, with low thermal efficiency and high costs due to separate systems for heating and cooling.
Innovation Solution
A heat circulation system integrating energy supply, absorption circuits, and water circulation circuits with heat exchangers to generate hot and cold water, sharing heat sources and cooling mediums for efficient cabin and battery management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate heating and cooling systems are used for cabin and battery, then temperature control reliability is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines the cabin temperature control system and battery temperature control system into a single integrated heat circulation system. The water circulation circuit serves both the cabin heater/cooler and battery heater/cooler, allowing one system to perform multiple temperature control functions that previously required separate systems, thereby reducing overall system complexity while maintaining reliability.
Solution Approach 2:
The water circulation circuit is designed as a universal system that can simultaneously or independently provide heating and cooling to both the cabin and battery. By using a single water pump, heat exchanger, and circulation loop that can be directed to different targets, the system achieves multi-functionality without requiring duplicate dedicated circuits for each component.
2Temperature
If direct heating of air and water is used, then heating function is achieved, but thermal efficiency decreases and energy consumption increases
Solution Approach 1:
The patent implements heat recovery that continuously captures waste heat from the cabin cooling process and redirects it to heat the battery or water. Instead of allowing the cooling medium to simply discharge heat to the environment, the system continuously recycles and reallocates this thermal energy to useful heating purposes, eliminating energy waste and improving overall thermal efficiency.
Solution Approach 2:
The system converts what would normally be waste heat (a harmful or useless byproduct of cabin cooling) into a beneficial resource for battery heating or hot water generation. By capturing and redirecting the heat from the cooling medium, the system transforms an energy loss into a useful heating function, thereby improving thermal efficiency.
3Measurement precision
If battery heating and cooling is performed separately from cabin climate control, then temperature control precision is improved, but device complexity and operational cost increase
Solution Approach 1:
The patent employs dynamic control mechanisms including multiple valves (first valve, second valve, third valve) that can dynamically redirect the water circulation flow between different targets (cabin heater, battery heater, heat exchanger). This dynamic switching capability allows the system to precisely control temperature for different components while using a single integrated circulation loop, maintaining operational simplicity through centralized control.
Solution Approach 2:
The system incorporates temperature sensors and control logic that continuously monitor the temperature of both the cabin and battery, and automatically adjust the water circulation distribution accordingly. This feedback mechanism ensures precise temperature control for each component while simplifying operation, as the system autonomously manages the complex flow distribution without requiring manual intervention.
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 cost-effective and efficient generation of hot and cold water while managing vehicle cabin and battery temperatures, improving convenience and reducing costs by utilizing a single system for multiple functions.
Implementation Method 1
a heat source that generates heat energy
Implementation Method 2
a heat pump mechanism that generates cold energy
Implementation Method 3
a first heat exchanger that generates hot water by exchanging heat with the energy supply circuit
Implementation Method 4
a second heat exchanger that generates cold water by exchanging heat with the energy absorption circuit
Data Source
AI summary
A heat circulation system for a vehicle includes: an energy supply circuit that supplies heat energy supplied from a heat source to at least a vehicle cabin heater or a battery heater and cooler; and an energy absorption circuit that supplies cold energy supplied from a heat pump mechanism to at least a vehicle cabin cooler or the battery heater and cooler. The heat circulation system for a vehicle further includes a water circulation circuit, and the water circulation circuit includes at least one of a first heat exchanger that generates hot water by exchanging heat with the energy supply circuit and a second heat exchanger that generates cold water by exchanging heat with the energy absorption circuit.