A kind of kitchen air conditioning system and its control method

Abstract

The invention discloses a kitchen air conditioning system, comprising a supplementary air fan for supplying outdoor air into the room, a range hood and a range hood for detecting the indoor range of soot concentration, and is characterized in that the kitchen air conditioning system further comprises A temperature control system for adjusting indoor temperature, a temperature sensor for detecting indoor temperature, a first pressure sensor for detecting outdoor pressure, a second pressure sensor for detecting indoor pressure, and a control system, the supplemental air fan, The oil fume concentration sensor, the temperature control system, the temperature sensor, the first pressure sensor and the second pressure sensor are all electrically connected to the control system, so that the control system is based on the detection data of the oil fume concentration sensor, the temperature sensor, the first pressure sensor and the second pressure sensor To control the make-up fan and temperature control system. A control method of the above-mentioned kitchen air conditioning system is also disclosed.

Description

technical field [0001] The present invention relates to a kitchen air conditioning system and a control method of the system. Background technique [0002] As a local exhaust device, range hoods are widely used in residential kitchens to create a safe and healthy indoor environment. In order to quickly and effectively remove the fume pollutants in the kitchen, users usually choose a range hood with a large exhaust air volume when purchasing. However, for a closed kitchen, if there is no effective source of supplementary air, the range hood will put the indoor in a negative pressure state after working for a period of time, which will affect the effect of absorbing range hood and reduce the thermal efficiency of the stove. Although opening windows for ventilation can effectively solve the above problems, the outdoor temperature varies greatly with the seasons, especially in winter in the north and summer in the south. [0003] In order to ensure the indoor pressure balance ...

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Problems solved by technology

[0004] However, the above two methods are only aimed at one of the cases where the external temperature is too high or too low, and cannot meet the temperature requirements of warm air in winter and cool air in summer at the same time, and each temperature control device has a wide range of temperature adjustments, which cannot Precise temperature control required

[0005] In addition, the existing supplementary air system mostly uses the control system to control the speed of the supplementary air fan according to the indoor and outdoor pressure difference, so as to realize the automatic adjustment of the supplementary air intensity. However, due to the uneven pressure distribution in the actual kitchen space, the installation position of the pressure sensor It will directly affect the intensity of supplementary air, and then affect the smoke exhaust effect of the range hood; in addition, most of the existing supplementary air systems are set to start synchronously with the range hood, but it takes a certain time for the indoor pressure to rise to the set value. The smoke effect cannot be guaranteed

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