Control method and control system of kitchen gas-collecting hood

Abstract

The embodiment of the invention discloses a control method and a control system of a kitchen gas-collecting hood. The method comprises the steps that the in-hood temperature in each of a plurality ofgas-collecting hoods and the indoor temperature of a kitchen provided with the plurality of gas-collecting hoods are obtained, the in-hood temperature is collected through a first temperature sensor arranged in each gas-collecting hood, and the indoor temperature is collected through a second temperature sensor arranged in the kitchen; if the difference value between the in-hood temperature of part of the plurality of gas-collecting hoods and the indoor temperature is larger than a preset difference value, and the opening degree of an air brake of part of the gas-collecting hoods is adjusted;first actual static pressure parameters in main ventilation pipelines of the plurality of gas-collecting hoods are obtained; pressure difference values between the first actual static pressure parameters and designed static pressure parameters of the main ventilation pipelines are calculated; frequency conversion signals of frequency converters of exhaust fans on the main ventilation pipelines aredetermined based on the pressure difference values; and the rotating speed of the exhaust fans are adjusted based on the frequency conversion signals. The exhaust air rate is reasonably adjusted according to the actual requirements of the kitchen, energy is saved, and waste is avoided.

Description

technical field [0001] The invention relates to the technical field of ventilation control, in particular to an intelligent energy-saving control method and a control system suitable for large passenger ship galley hoods. Background technique [0002] The galley is an important service place for large passenger ships. It is necessary to ensure 24-hour uninterrupted meal supply. In order to meet the catering needs of different passengers, large passenger ships are equipped with different types of galleys. There are many kinds of galleys, and each galley is equipped with exhaust fans. wind. During the operation of kitchen equipment, a large amount of oil fume and steam will be generated. In order to ensure the comfortable ventilation of the kitchen, the air volume of the kitchen exhaust fan is relatively large, and the corresponding exhaust fan energy consumption is also relatively large. Large passenger ships generally use air collection hoods to exhaust the galleys. The con...

AI Technical Summary

Problems solved by technology

Large passenger ships generally use air collecting hoods to centrally exhaust the galley. The control system of ordinary galley air collecting hoods cannot adjust the exhaust air volume of the galley exhaust hood, resulting in a great waste of energy. Intelligent adjustment and energy saving control still need to be carried out. Improve

[0003] The control system of the traditional kitchen hood adopts a constant air volume control method. Regardless of whether the kitchen equipment is running or not, the kitchen exhaust fan maintains a large air volume operation. The control method is relatively simple. Although it can ensure the timely removal of oil fume and steam, it consumes more energy during operation. Large, unable to meet energy saving requirements

Images