Air curtain effective distance control method of air curtain extractor hood

A range hood and effective distance technology, applied in the field of effective distance control of air curtain range hoods, can solve problems such as user discomfort, and achieve the effects of avoiding system burden, increasing system burden, and reducing negative effects

Active Publication Date: 2020-02-25
QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, how to reasonably control the effective distance of the air curtain airflow to avoid the ineffective air curtain from affecting the rise of oil fume or causing discomfort to users has become an urgent problem to be solved

Method used

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  • Air curtain effective distance control method of air curtain extractor hood
  • Air curtain effective distance control method of air curtain extractor hood
  • Air curtain effective distance control method of air curtain extractor hood

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] In the method for controlling the effective distance of the air curtain of the air curtain range hood described in this embodiment, the angle range between the air outlet direction of the blocking air curtain unit and the air outlet direction of the shielding air curtain unit is 0° to 60° . Preferably, the included angle between the flow directions of the shielding air curtain and the blocking air curtain at least at their respective starting ends is in the range of 0° to 60°. The adjustment of the angle of the air curtain can be controlled through the deflection angle of the air deflectors provided at the respective air outlets. Since there is a certain degree of divergence and flow direction changes in the flow process of the air curtain air, when controlling the angle between the air curtains, it is preferable to pass the air curtain (including shielding the air curtain and blocking the wind). The angle between the air flow directions at the beginning of the curtain...

Embodiment 2

[0046] The difference between the air curtain effective distance control method for the air curtain range hood described in this embodiment and the above embodiment is that the air curtain range hood includes a blocking control module that controls the wind outlet angle of the blocking air curtain unit; The blocking control module is connected with the fan device generating suction of the range hood, and controls the wind outlet angle of the blocking air curtain unit according to the working state of the fan device. The blocking control module is connected with the blocking air curtain unit to control the working state of the blocking air curtain unit. The working state of the fan device is mostly controlled by the user or the range hood is adjusted according to its working environment. When the user judges that there is too much oil fume in the current kitchen environment, he will adjust and increase the suction efficiency of the fan device, so as to absorb the oil fume more ...

Embodiment 3

[0049] The difference between the method for controlling the effective distance of the air curtain of the air curtain range hood described in this embodiment and the above embodiment is that the blocking control module obtains the change of the working state of the fan device, if the working state of the fan device Tend to increase / decrease the intensity of suction, the blocking control module adjusts the wind outlet angle of the blocking air curtain unit to decrease / increase the angle between the blocking air curtain and the shielding air curtain. It can be understood that when the angle between the blocking air curtain and the shielding air curtain tends to 0°, the blocking effect of the blocking air curtain on the shielding air curtain is the worst. When the angle between the blocking air curtain and the shielding air curtain tends to 90°, the blocking effect of the blocking air curtain on the shielding air curtain is the most obvious. When the angle between the blocking ai...

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PUM

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Abstract

The invention discloses an air curtain effective distance control method of an air curtain extractor hood. An air curtain device includes a shielding air curtain unit, and a blocking air curtain unit;the shielding air curtain unit is used for generating a shielding air curtain, and the shielding air curtain is used for shielding oil smoke; and the blocking air curtain unit is used for generatinga blocking air curtain, and through controlling an air outlet angle of the blocking air curtain unit used for generating the blocking air curtain, an air outlet distance of the shielding air curtain unit for generating the shielding air curtain is controlled. The air curtain effective distance control method of the air curtain extractor hood effectively controls a working distance of the shieldingair curtain, and at the same time, the shielding effect of the shielding air curtain is not be affected.

Description

technical field [0001] The invention belongs to the field of kitchen air purification equipment, and in particular relates to a method for controlling the effective distance of an air curtain of an air curtain range hood. Background technique [0002] In the air curtain range hood in the prior art, an air curtain is arranged between the user and the pot and the stove to isolate the user from the oil fume. However, after the oil fume is generated near the mouth of the pot, the temperature is higher, and the components of oil and water are in a gaseous state, which is lower than the air density in the surrounding environment, and its upward trend is also very obvious. There is no need for an air curtain to shield the oil fume within a distance. In addition, the vertically downward air curtain air flow at this position drives the air at the mouth of the pot to flow downward, causing the air pressure at the mouth of the pot to decrease, which affects the upward diffusion of oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C15/20
CPCF24C15/2021F24C15/2028
Inventor 孟永哲艾希顺张智盖其高
Owner QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD
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