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Air pressure control method and device for a smoke machine

A wind pressure control and wind pressure technology, applied in pump control, heating methods, mechanical equipment, etc., can solve the problems of different effective wind pressure, failure to meet user needs, poor smoke exhaust effect, etc., to reduce the speed and optimize the fan Characteristic curve, noise reduction effect

Active Publication Date: 2022-05-17
QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD +1
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, in the actual use process, due to the existence of loads such as the resistance of the smoke pipe, the actual effective wind pressure of the product is different in different use environments, resulting in poor smoke exhaust effect and unable to meet the needs of users.

Method used

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  • Air pressure control method and device for a smoke machine
  • Air pressure control method and device for a smoke machine
  • Air pressure control method and device for a smoke machine

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. All other embodiments obtained by those skilled in the art based on the basic concepts disclosed and suggested by the embodiments of the present invention belong to the protection scope of the present invention.

[0019] refer to figure 1 , which is a schematic diagram of a wind pressure control method for a hood provided by an embodiment of the present invention. The smoke machine described in this embodiment includes a fan, and also includes a wind pressure control device for implementing the wind pressure control method. Optionally, the wind pressure control ...

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Abstract

The invention discloses a wind pressure control method and device of a hood. The hood includes a fan. The wind pressure control method includes: obtaining the frequency of the fan and the outlet wind speed of the fan, and determining the actual value of the air volume according to the frequency of the fan and the outlet wind speed of the fan , Fan outlet air pressure and public flue pressure; if the fan outlet air pressure exceeds the setting range of the air pressure setting value, calculate the fan under the public flue pressure according to the fan outlet air pressure, wind pressure setting value and actual air volume value. target frequency and adjust the fan. In the present invention, the smoke machine is controlled by wind speed feedback sensing to realize constant effective wind pressure.

Description

technical field [0001] The invention relates to flue gas treatment technology, in particular to a wind pressure control method and device for a smoke machine. Background technique [0002] The range hood is installed on the top or side of the range hood, and is integrated with a fan. The operation process of the existing range hood is that the fan rotates at high speed to form a negative pressure area in a certain space above the range, and the indoor fume gas is sucked into the range hood, and the fume gas passes through the range hood. The purification is separated into oil droplets and flue gas, the oil droplets are collected into the oil cup, and the flue gas is discharged along the flue. [0003] The range hood has a set wind pressure and air volume. The nominal wind pressure and air volume of the range hoods currently on the market are all ideal values ​​set by testing under laboratory conditions. However, in the actual use process, due to the existence of loads such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20F04D27/00
CPCF24C15/2021F04D27/00Y02B30/70
Inventor 牟飞杨东华孟永哲王斌龙
Owner QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD
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