Combined heating and refrigerating system and control method thereof

A technology of control unit and sewage source heat pump, which is applied in the field of refrigeration and hot water supply equipment, and heating, and can solve the problems that the sewage source heat pump unit cannot be turned on and affects heating, so as to alleviate the shortage of power supply, improve utilization efficiency, and improve operation efficiency Effect

Pending Publication Date: 2019-03-22
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
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  • Claims
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Problems solved by technology

However, when the system encounters extremely cold weather, the sewage source heat pump unit cannot be turned on because the sewage temperature is too low, which affects heating

Method used

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  • Combined heating and refrigerating system and control method thereof
  • Combined heating and refrigerating system and control method thereof

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Embodiment Construction

[0049] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0051] A combined heating and cooling system provided by the invention, such as figure 1 As shown, the system includes: sewage source heat pump unit, heat storage electric boiler, heating unit...

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Abstract

The invention relates to a combined heating and refrigerating system and a control method thereof. The system comprises a sewage source heat pump unit, a heat storage type electric boiler, a heating unit, a fan coil and a network monitoring control unit. The sewage source heat pump unit is connected with the heating unit, the fan coil and the network monitoring control unit. The heat storage typeelectric boiler is connected with the heating unit and the network monitoring control unit. By means of the technical scheme, peak load shaving and efficient heating and refrigerating are achieved, the energy utilization efficiency and the renewable energy utilization rate are improved, and the electric power supply tension is relieved.

Description

technical field [0001] The invention relates to the field of heating, cooling and hot water supply devices, in particular to a combined heating and cooling system and a control method thereof. Background technique [0002] Due to the improvement of people's living standards, building energy consumption, especially air-conditioning heating power consumption, accounts for an important proportion of total electricity consumption. In summer, air-conditioning power consumption causes peak power consumption, which reaches full load or even overload in a short period of time, and the load drops again at night. At the bottom, the change of the load will lead to the fluctuation of the frequency of the power system, which will cause the fluctuation of the power system and cause great harm to the whole power system. The thermal storage electric boiler uses electricity as the energy source to provide heating for users, and the instability of the power load leads to unstable heating for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F11/58F24F11/89F24F11/64
CPCF24F5/0007F24F5/0096F24F11/58F24F11/64F24F11/89
Inventor 成岭金璐钟鸣蒋利民覃剑郭炳庆闫华光李克成何桂雄屈博黄伟孟珺遐张新鹤唐艳梅刘铠诚于波韩慎朝王迎秋马崇卢欣
Owner CHINA ELECTRIC POWER RES INST
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