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CN-122015141-A - Control method of intelligent range hood, intelligent range hood and computer equipment

CN122015141ACN 122015141 ACN122015141 ACN 122015141ACN-122015141-A

Abstract

The application relates to a control method of an intelligent range hood, the intelligent range hood and computer equipment, wherein the control method of the intelligent range hood comprises the steps of carrying out phase gradient analysis on received sound vortex waves disturbed by gestures of a user to obtain corresponding phase gradient vectors; and controlling the intelligent range hood to execute corresponding target operation according to the gesture type. The intelligent range hood comprises an acoustic wave receiving and transmitting device, wherein the acoustic wave receiving and transmitting device is used for transmitting acoustic vortex waves and receiving the acoustic vortex waves subjected to gesture disturbance of a user. The intelligent range hood can identify various gesture types by utilizing the difference of different gesture types on the phase disturbance of the sound vortex waves, and realizes the control of the intelligent range hood by the various gesture types.

Inventors

  • HE LIBO

Assignees

  • 宁波方太厨具有限公司

Dates

Publication Date
20260512
Application Date
20260107

Claims (10)

  1. 1. The control method of the intelligent range hood is characterized in that the intelligent range hood comprises an acoustic wave receiving and transmitting device, the acoustic wave receiving and transmitting device is used for transmitting acoustic vortex waves and receiving the acoustic vortex waves after being disturbed by gestures of a user, and the method comprises the following steps: Carrying out phase gradient analysis on the received sound vortex wave subjected to gesture disturbance of the user to obtain a corresponding phase gradient vector; According to the phase gradient vector, identifying a gesture category of the user gesture; And controlling the intelligent range hood to execute corresponding target operation according to the gesture type.
  2. 2. The control method of the intelligent range hood according to claim 1, wherein the sound wave transceiver at least comprises two receiving array elements arranged horizontally and/or two receiving array elements arranged vertically, and the phase gradient analysis is performed on the received sound vortex wave disturbed by the gesture of the user to obtain a corresponding phase gradient vector, and the method comprises the following steps: Determining a horizontal phase difference according to the sound vortex waves received by the two receiving array elements which are horizontally arranged; Determining a horizontal phase gradient vector as a horizontal component of the phase gradient vector according to the horizontal phase difference and the distance between two receiving array elements which are horizontally arranged, and/or, Determining a vertical phase difference according to the sound vortex waves received by the two receiving array elements which are vertically arranged; and obtaining a vertical component of the phase gradient vector in the vertical direction according to the vertical phase difference and the distance between the two receiving array elements which are vertically arranged.
  3. 3. The control method of the intelligent range hood according to claim 2, wherein the identifying the gesture category of the user gesture according to the phase gradient vector includes: Determining a preset phase gradient feature matching the horizontal direction component and/or the vertical direction component of the phase gradient vector, the preset phase gradient feature being associated with a different one of the user gestures; And judging the gesture type of the user gesture according to the preset phase gradient characteristics matched with the horizontal direction component and/or the vertical direction component.
  4. 4. The control method of an intelligent range hood according to claim 1, further comprising: determining the modal dispersion quantity of the sound vortex wave according to the phase gradient vector; determining the corresponding oil smoke concentration according to the modal dispersion quantity of the sound vortex wave and a preset calibration coefficient; and controlling the air quantity gear of the range hood according to the oil smoke concentration.
  5. 5. The method according to claim 4, wherein determining the modal dispersion amount of the sound vortex wave according to the phase gradient vector comprises: And carrying out integral operation on the phase gradient vector based on the sound wave propagation closed path of the sound vortex wave to obtain the modal dispersion quantity of the sound vortex wave.
  6. 6. The method for controlling an intelligent range hood according to claim 4, wherein controlling the air volume gear of the range hood according to the oil smoke concentration comprises: and controlling the air quantity gear of the range hood according to the oil smoke concentration and a preset oil smoke threshold.
  7. 7. An intelligent range hood is characterized by comprising an acoustic wave receiving and transmitting device and a controller; the sound wave receiving and transmitting device is used for transmitting sound vortex waves and receiving the sound vortex waves subjected to gesture disturbance of a user; the controller is configured to execute the control method of the intelligent range hood according to any one of claims 1 to 6.
  8. 8. The intelligent range hood according to claim 7, wherein the sound wave receiving and transmitting device comprises an outer sound emitting area and an inner sound receiving area, wherein the inner sound receiving area at least comprises two receiving array elements which are horizontally arranged and/or two receiving array elements which are vertically arranged; The peripheral acoustic emission area is used for emitting the sound vortex waves; and the inner surrounding sound receiving area is used for receiving the sound vortex waves after being disturbed by the gestures of the user.
  9. 9. A computer device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the steps of the control method of the intelligent range hood of any one of claims 1 to 6.
  10. 10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the control method of a intelligent range hood according to any one of claims 1 to 6.

Description

Control method of intelligent range hood, intelligent range hood and computer equipment Technical Field The application relates to the field of intelligent household appliance control, in particular to a control method of an intelligent range hood, the intelligent range hood and computer equipment. Background The range hood is an electric appliance which is necessary for people to cook and suck oil smoke daily. The existing range hood product is provided with a touch switch and a gesture recognition switch on a panel. The touch switch has greasy dirt accumulated and dirty, so the gesture recognition switch is favored by users. The gesture recognition switch of the existing range hood product is usually provided with a gesture recognition window on a panel, and gesture recognition is performed based on optics or radar. This approach has the problem of a single type of gesture that can be recognized. Aiming at the problem that the identifiable gesture type is single in the related technology, no effective solution is proposed at present. Disclosure of Invention In this embodiment, a control method of an intelligent range hood, an intelligent range hood and computer equipment are provided, so as to solve the problem that identifiable gesture types are single in the related technology. In a first aspect, in this embodiment, there is provided a control method of an intelligent range hood, where the intelligent range hood includes an acoustic transceiver, where the acoustic transceiver is configured to transmit an acoustic vortex wave and receive the acoustic vortex wave after being disturbed by a gesture of a user, and the method includes: Carrying out phase gradient analysis on the received sound vortex wave subjected to gesture disturbance of the user to obtain a corresponding phase gradient vector; According to the phase gradient vector, identifying a gesture category of the user gesture; And controlling the intelligent range hood to execute corresponding target operation according to the gesture type. In some embodiments, the acoustic wave transceiver device at least comprises two receiving array elements arranged horizontally and/or two receiving array elements arranged vertically, and the phase gradient analysis is performed on the received acoustic vortex wave disturbed by the gesture of the user to obtain a corresponding phase gradient vector, which comprises: Determining a horizontal phase difference according to the sound vortex waves received by the two receiving array elements which are horizontally arranged; Determining a horizontal phase gradient vector as a horizontal component of the phase gradient vector according to the horizontal phase difference and the distance between two receiving array elements which are horizontally arranged, and/or, Determining a vertical phase difference according to the sound vortex waves received by the two receiving array elements which are vertically arranged; and obtaining a vertical component of the phase gradient vector in the vertical direction according to the vertical phase difference and the distance between the two receiving array elements which are vertically arranged. In some of these embodiments, the identifying the gesture category of the user gesture from the phase gradient vector includes: Determining a preset phase gradient feature matching the horizontal direction component and/or the vertical direction component of the phase gradient vector, the preset phase gradient feature being associated with a different one of the user gestures; And judging the gesture type of the user gesture according to the preset phase gradient characteristics matched with the horizontal direction component and/or the vertical direction component. In some embodiments, the control method of the intelligent range hood further includes: determining the modal dispersion quantity of the sound vortex wave according to the phase gradient vector; determining the corresponding oil smoke concentration according to the modal dispersion quantity of the sound vortex wave and a preset calibration coefficient; and controlling the air quantity gear of the range hood according to the oil smoke concentration. In some of these embodiments, the determining the modal dispersion amount of the acoustic vortex wave from the phase gradient vector includes: And carrying out integral operation on the phase gradient vector based on the sound wave propagation closed path of the sound vortex wave to obtain the modal dispersion quantity of the sound vortex wave. In some embodiments, the controlling the air volume gear of the range hood according to the oil smoke concentration includes: and controlling the air quantity gear of the range hood according to the oil smoke concentration and a preset oil smoke threshold. In a second aspect, in this embodiment, there is provided an intelligent range hood, including an acoustic transceiver and a controller; the sound wave receiving and transmitting device is use