Judgment method of positive and negative pressure status of fresh air system, fresh air system and medium
A fresh air system, positive and negative pressure technology, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as inaccurate judgment of positive and negative pressure states, and achieve the effect of improving the accuracy of judgment
Active Publication Date: 2019-12-10
GREE ELECTRIC APPLIANCES INC
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[0006] The present invention provides a method for judging positive and negative pressure states of a fresh air system, a fresh air system and a medium, so as to at least solve the problem in the related art that the fresh air system judges the positive and negative pressure states of an area inaccurately
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[0022] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.
[0023] It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, me...
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The invention provides a method for judging positive and negative pressure states of a fresh air system, the fresh air system and a medium. The method comprises the steps that the opening degree gearposition of a fresh air outlet or a fresh air return opening of the current area is adjusted; engineering equivalent mounting area parameters of the current area are calculated according to an air quality index before opening degree gear position adjusting and an air quality index after the opening degree gear position adjusting; and the positive and negative pressure states of the current area are determined according to comparing results of the engineering equivalent mounting area parameters and engineering actual mounting area parameters of the current area. Through the method, the problemthat in the related technology, judgment of the fresh air system on the positive and negative pressure states of the area is inaccurate is solved, and the judgment accuracy of the fresh air system onthe positive and negative pressure states in the area is improved.
Description
technical field [0001] The invention relates to the technical field of building ventilation, in particular to a method for judging positive and negative pressure states of a fresh air system, a fresh air system and a medium. Background technique [0002] With the development of modern industry, we enjoy the convenience brought by the development of science and technology, followed by the increasingly serious impact of industrial development on air quality. Especially in my country, although the country has been vigorously developing environmental protection, the serious problem of smog in most cities in our country cannot be changed in the short term. Healthy, energy-saving, simple and reliable fresh air systems and fresh air equipment have become the focus of general attention of HVAC engineers and users. Generally, the fresh air system unit delivers fresh air to the room through pipes and air outlets. [0003] The existing fresh air system controls the positive and negat...
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IPC IPC(8): F24F11/30F24F11/62F24F140/40
CPCF24F11/30F24F11/62F24F2140/40Y02B30/70
Inventor 刘国琰
Owner GREE ELECTRIC APPLIANCES INC