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Range hood with rotation speed display

A range hood and rotational speed technology, applied in the field of range hoods, can solve problems such as burning fan motors, excess, and insufficient suction of oil fume, and achieve the effects of avoiding insufficient or excess suction, avoiding burning, and convenient assembly

Inactive Publication Date: 2012-11-14
ZHEJIANG SHUAIKANG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing range hood fans have two speeds of "high" and "low" or three speeds of "high", "medium" and "low". Multi-level switches are used to control, but this kind of multi-level switches is not intuitive enough, which is not conducive to consumers' correct judgment and selection of appropriate speed, resulting in insufficient or excessive oil fume suction.
[0003] If the fan is obstructed by oil fumes or other obstacles, the rotation is blocked or stalled, if the fan cannot be detected and stopped in time, the fan motor will be easily burned

Method used

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  • Range hood with rotation speed display
  • Range hood with rotation speed display
  • Range hood with rotation speed display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0020] Implementation mode one: if figure 1 , 3 As shown in -5, the range hood with rotational speed display includes a range hood body 1, and the range hood body includes a fan 2, which is characterized in that: the range hood body 1 includes a rotation speed signal generating element, and the rotation speed signal generates The component is directly or indirectly connected to a lighting control logic circuit 3, and outputs different fan speed signals, which correspond to different speeds or speed ranges of the fan 2; the fan speed signals are fan speed control signals. The rotational speed signal generating element is a rotational speed control signal generating element, specifically, a rotational speed control switch 4 provided on the range hood body 1 .

[0021] The light-emitting control logic circuit 3 is connected to a light-emitting device 6 through a driving circuit 5, and the light-emitting device 6 is a continuous or discrete light strip, which is in the form of a...

Embodiment approach 2

[0023] Implementation mode two: if figure 2 , 3 -5: the rotational speed signal generating element is a rotational speed sensor, and the rotational speed sensor is arranged on the impeller or motor shaft of the fan 2 of the range hood body, and the rest of the structures and components are as described in Embodiment 1.

[0024] The light-emitting device can also be designed in other forms, with different lengths, different shapes, different brightness or different colors and other light-emitting forms corresponding to different speeds or different speed ranges of the fan. The conversion mode between different light-emitting forms can be gradual, or Can be mutational.

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PUM

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Abstract

The invention relates to a range hood with rotation speed display. Existing range hoods cannot visually display motor rotation speed. According to the invention, the range hood with the speed display comprises a range hood body. The range hood body comprises a blower and a rotation speed signal generation element. The rotation speed signal generation element is directly or indirectly connected with a light-emitting-controlling logic circuit, and outputs different blower rotation speed signals, wherein different blower rotation speed signals correspond to different rotation speeds or rotation speed ranges. The light-emitting-controlling logic circuit is connected with a light emitting device through a driving circuit. The light emitting device has various light emitting forms corresponding to different blower rotation speed signals. The rotation speed signal generation element is a rotation speed controlling signal generation element or a rotation speed detection signal generation element. The blower rotation speed signals are blower rotation speed controlling signals or blower rotation speed detection signals. With the range hood provided by the invention, users can correctly determine and select blower rotation speeds. The range hood is widely applied in various kitchen environments.

Description

technical field [0001] The invention relates to a range hood with rotation speed display. Background technique [0002] Existing range hood fans have two speeds of "high" and "low" or three speeds of "high", "medium" and "low". Usually, multi-level switches are used to control, but this multi-level switch is not intuitive enough , It is not conducive to consumers to correctly judge and choose the appropriate speed, resulting in insufficient or excess oil fume suction. [0003] If the fan is obstructed by oil fumes or other obstacles, the rotation is blocked, and the fan is stalled, if the fan cannot be detected in time and stopped in time, the fan motor will be easily burned. Contents of the invention [0004] The technical problem to be solved by the present invention is how to overcome the above-mentioned defects of the prior art, and provide a range hood with rotation speed display. [0005] In order to solve the above technical problems, the range hood with rotationa...

Claims

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Application Information

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IPC IPC(8): F24C15/20
Inventor 邹国营高绪元郝伟
Owner ZHEJIANG SHUAIKANG ELECTRIC