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Static pressure self-adjusting control method and device and air conditioner

A control method and self-adjusting technology, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as performance attenuation, air volume attenuation, and deposition of dust, and achieve the effect of avoiding air volume and performance attenuation.

Active Publication Date: 2020-04-17
NINGBO AUX ELECTRIC
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the use of the existing high static pressure air duct machine, dust will be deposited on the return air filter, evaporator and grille, the return air resistance will increase, and the air volume and performance will decrease, which will affect the stability and comfort of the unit

Method used

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  • Static pressure self-adjusting control method and device and air conditioner
  • Static pressure self-adjusting control method and device and air conditioner
  • Static pressure self-adjusting control method and device and air conditioner

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Embodiment Construction

[0046] During the use of the existing high static pressure air duct machine, dust will be deposited on the return air filter, evaporator and grille, which will increase the return air resistance, cause air volume attenuation and performance attenuation, and affect the stability and comfort of the unit. The designer of the present invention found in the research that when the air duct resistance increases in the existing high static pressure air duct machine, because most of the motor speed has been set at the factory, it cannot be adjusted on site, and the actual static pressure of the unit may not meet the design static pressure , resulting in air volume attenuation and performance attenuation. Therefore, the designer of the present invention has designed a static pressure self-regulating control method, device and air conditioner, which can adjust the air duct resistance in real time, so that the actual static pressure of the unit is equivalent to the designed static pressure...

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Abstract

The embodiment of the invention provides a static pressure self-adjusting control method and device and an air conditioner, and relates to the technical field of air conditioners. The static pressureself-adjusting control method comprises the steps that obtaining the actual static pressure value of a unit of the duct type air conditioner; obtaining change data according to the actual static pressure value and a preset static pressure value; and adjusting the opening degree of an air valve in an air duct of the duct type air conditioner according to the change data, so that the actual static pressure value of the unit of the duct type air conditioner equals the preset static pressure value. According to the static pressure self-adjusting control method and device and the air conditioner, the actual static pressure value is detected in real time, the opening degree of the air valve is adjusted automatically according to the change data of the actual static pressure value and the presetstatic pressure value and fed back and corrected for reasonable adjustment, the adjusting precision is high, the actual static pressure always equals the designed static pressure, unit static pressureself-adjustment is achieved, air volume and performance attenuation are avoided, and cleaning prompts can be given according to the static pressure adjusting times.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a static pressure self-regulating control method, device and air conditioner. Background technique [0002] The market share of central air-conditioning is increasing year by year, and the air duct machine is an important part, which is more and more widely used. The high static pressure air duct machine can be connected to the ultra-long air duct, and multiple air outlets and return air outlets are designed. During the use of the existing high static pressure air duct machine, dust will be deposited on the return air filter, evaporator and grille, the return air resistance will increase, and the air volume and performance will be attenuated, which will affect the stability and comfort of the unit. Contents of the invention [0003] The problem solved by the invention is the technical problem of air volume attenuation and performance attenuation of the air duct machin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/32F24F11/64F24F11/72F24F11/88F24F110/40
CPCF24F11/32F24F11/64F24F11/72F24F11/88F24F2110/40
Inventor 刘建勋任小辉王猛
Owner NINGBO AUX ELECTRIC
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