Central Heating Device with Decentralized Indoor Temperature Control
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Solution Overview
Problem
Existing central heating systems in northern China face challenges such as difficulty in adjusting hydraulic and thermal conditions, significant heat loss, uneven heating and cooling, low user satisfaction, and high costs, failing to meet individual user needs due to varying thermal loads and temperature demands.
Innovation Solution
A heating device comprising a heating and control module, bypass pipe, three temperature sensors, water pump, valve, and three-way valve, which allows for low-temperature central heating combined with indoor decentralized heat regulation, enabling flexible operation modes (low-temperature, heat-up, and heat-control) to meet individual user needs by optimizing water flow and energy usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional central heating mode is used, then heating coverage is ensured, but individual user needs cannot be met due to uniform thermal conditions
Solution Approach 1:
The heating system is segmented into a central heating part and an independent indoor heating part. The indoor heating device includes a heating tank, circulation pump, and control system that can operate independently from the central heating system, allowing individual users to adjust their thermal conditions while maintaining overall system coverage.
Solution Approach 2:
The heating device is designed to perform multiple functions: it can heat water for the central heating system, provide independent indoor heating through the circulation pump, and store thermal energy in the heating tank. This multi-functionality allows the system to adapt to different heating needs without requiring completely separate systems.
2Reliability
If high temperature heating is used, then heating effectiveness is improved, but energy loss increases
Solution Approach 1:
The system changes the temperature parameter dynamically by using a heating tank to store and regulate water temperature. Instead of continuously circulating high-temperature water through long pipe networks, the system can store heat at optimal temperatures and distribute it as needed, reducing thermal losses in the distribution system while maintaining effective heating.
Solution Approach 2:
The system converts the potential harm of excess heat generation into benefit by using the heating tank to capture and store thermal energy that would otherwise be wasted. The circulation pump efficiently distributes this stored heat, converting what could be energy loss into useful heating while minimizing pipe network losses.
3Ease of operation
If decentralized indoor heating is implemented, then user control is improved, but system complexity increases
Solution Approach 1:
The control system is segmented into simple, localized components including a thermostat, circulation pump, and heating tank that work together in a straightforward manner. Users can easily control their indoor temperature through the thermostat, which regulates the circulation pump, without needing to understand or manage complex system operations.
4Stability of the object's composition
If heating system operates continuously, then thermal stability is maintained, but energy consumption increases
Solution Approach 1:
The heating tank performs preliminary action by storing thermal energy in advance. Instead of continuously operating the heat source and circulation pump to maintain thermal stability, the system pre-heats and stores water in the tank, then uses this stored heat to maintain stable indoor temperatures, significantly reducing continuous energy consumption.
Solution Approach 2:
The system transitions from continuous operation to periodic action by using the heating tank to store heat during off-peak periods and releasing it during heating demand periods. The circulation pump operates periodically rather than continuously, cycling between the heating tank and the indoor heating system, thereby maintaining thermal stability while reducing overall 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
The device effectively reduces energy consumption and costs by allowing users to set their indoor temperature, utilizing low-temperature waste heat, and integrating with solar energy, thereby enhancing user satisfaction and reducing overall energy and carbon emissions.
Implementation Method 1
the heating and control module is turned on, the valve is opened, the water pump is turned off, and temperature at the second temperature sensor is lower than temperature at the first temperature sensor, the water from the main water supply pipe flowing in the indoor water supply pipe flows through the bypass pipe
Implementation Method 2
a third end of the three-way valve is communicated with a first end of the water pump, and a second end of the water pump is communicated with the indoor water supply pipe between the first temperature sensor and the heating and control module
Implementation Method 3
the three-way valve and the second temperature sensor are arranged between the first end and the second end of the indoor return water pipe in sequence
Implementation Method 4
three temperature sensors (a first temperature sensor, a second temperature sensor and a third temperature sensor)
Implementation Method 5
the valve, the first temperature sensor, the heating and control module and the third temperature sensor are arranged between the first end and the second end of the indoor water supply pipe in sequence
Data Source
AI summary
Disclosed is a heating device, including a first and second ends of an indoor water supply pipe communicated with a main water supply pipe and a water supply end of a radiator; a valve, a first temperature sensor, a heating and control module and a third temperature sensor arranged between the first and second ends; two ends of the heating and control module connected with a bypass pipe; a first and second ends of an indoor return water pipe communicated with a main return water pipe and a return water end of the radiator; a three-way valve and a second temperature sensor arranged between the first end and the second end of the indoor return water pipe; and a first and second ends of the water pump communicated with a third end of the three-way valve and the indoor water supply pipe.