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Method for determining optimal floor heating operation condition of air source heat pump based on energy conservation

An air source heat pump, the best operation technology, applied in the field of control, can solve the problems of insufficient energy saving, energy waste and so on

Inactive Publication Date: 2013-04-03
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two methods are not energy-saving enough, resulting in waste of energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] Step 1. Model the heat balance of floor heating. The heat loss in the room can be expressed as:

[0051] (1)

[0052] represents the average heat transfer coefficient of the room, represents the heat transfer area of ​​the room, Indicates the temperature difference between the average room temperature and the ambient temperature, represents the average temperature inside the room, Indicates the ambient temperature. Indicates the heat dissipation loss per unit time in the room.

[0053] The heat supplied by the floor heating system to the room is expressed as:

[0054] (2)

[0055] Indicates the heat absorbed by the room per unit time. Indicates the heat transfer coefficient between floor heating and room air, Indicates the heat exchange area between the floor heating and the room, Indicates the temperature difference between the average room temperature and the average temperature of the h...

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Abstract

The invention discloses a method for determining an optimal floor heating operation condition of an air source heat pump based on energy conservation. All conventional methods have the problem that the energy cannot be saved enough and is wasted. The method considers the influence of the environmental temperature, the water supply temperature and the circulating water mass flux on a system, and comprises the steps of creating a heat balance model of floor heating, creating an energy efficiency ratio and power consumption model of the heat pump, creating an energy consumption model equation of floor heating water circulation, creating a total optimization model, and optimizing by the models to obtain optimal control parameters for enabling the system to run at an optimal working point. According to the method, the running energy consumption of the system can be reduced, so that the purposes of reducing the running cost, saving energy and reducing emission are achieved.

Description

technical field [0001] The invention belongs to the technical field of control, and relates to a method for determining the best operating condition of an air source heat pump and floor heating based on energy saving. Background technique [0002] With the improvement of people's living standards, the demand for household floor heating is increasing, and since household floor heating requires more energy consumption, it is very important to reduce energy consumption and maintain a certain degree of comfort. With the shortage of energy and the implementation of national energy conservation and emission reduction policies, the development and utilization of renewable energy is an important way to save energy and reduce consumption. Air source heat pumps can absorb heat from the air, and use one part of electric energy to produce more heat, so they are getting more and more applications. The application of air source heat pumps in the field of floor heating is not only benefic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 江爱朋丁强姜周曙王剑黄国辉
Owner HANGZHOU DIANZI UNIV
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