Double cooling source fresh air unit and its control method
A technology of fresh air unit and control method, which is applied in the direction of control input involving air characteristics, space heating and ventilation control input, ventilation system, etc., and can solve problems such as energy waste
Active Publication Date: 2021-11-02
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1
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Problems solved by technology
[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the double cold source fresh air unit determines its operation mode according to the judgment method of the existing air conditioning unit, it is easy to cause energy waste. The control method of the fresh air unit, the control method includes the following steps: obtaining the supply air temperature and the humidity content of the supply air of the dual cold source fresh air unit; judging the temperature range of the supply air temperature and the supply air moisture content; The humidity range of the humidity; according to the judgment result, make the double cold source fresh air unit enter the corresponding operation mode
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[0050] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the various steps of the method of the present invention are described in a specific order in the present application, these orders are not limiting, and those skilled in the art can perform the steps in different orders without departing from the basic principles of the present invention. Follow the steps described.
[0051] It should be noted that, in the description of the present invention, terms such as "left", "right", "front", "rear", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...
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The invention belongs to the technical field of heat exchange, and specifically provides a double cold source fresh air unit and a control method thereof. The invention aims to solve the problem that energy waste is easily caused when the operation mode of the double cold source fresh air unit is determined according to the judgment method of the existing air conditioning unit. For this reason, the control method of the present invention comprises the following steps: obtain the supply air temperature and supply air moisture content of the double cooling source fresh air unit; judge the temperature range where the supply air temperature is and the humidity content where the supply air humidity content is Range; according to the judgment result, make the double cold source fresh air unit enter the corresponding operation mode. The present invention operates the air blower before measuring the basic parameters, so that the controller can obtain the air supply temperature and the humidity content of the air supply when the double cooling source fresh air unit is not undergoing heat exchange treatment as the basic parameters, thereby effectively avoiding the dual cooling source When the fresh air unit uses indoor temperature or outdoor temperature as the basic parameter, it is difficult to determine the accurate operation mode, which easily leads to the problem of energy waste.
Description
technical field [0001] The invention belongs to the technical field of heat exchange, and specifically provides a double cold source fresh air unit and a control method thereof. Background technique [0002] In recent years, with the improvement of the quality of life, people have higher and higher requirements for purchasing various electrical appliances. Taking the air conditioner as an example, it is different from the traditional single cold source air conditioner with high energy consumption and low temperature control accuracy. The dual cold source air conditioner unit is more and more popular because of its energy saving, comfort, and high temperature and humidity control accuracy. . The dual cold source air conditioning unit, as the name suggests, is to install two cold source systems in the air conditioning unit, namely a high temperature cold source system and a low temperature cold source system. Its basic operating principle is: through the high-temperature col...
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IPC IPC(8): F24F7/08F24F11/64F24F110/10
CPCF24F7/08F24F11/64F24F2110/10
Inventor 杨文秀张秋云朱秋月
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD