CN114017818A - Smoke machine gesture control method and device, controller and smoke machine - Google Patents

Smoke machine gesture control method and device, controller and smoke machine Download PDF

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Publication number
CN114017818A
CN114017818A CN202111298641.6A CN202111298641A CN114017818A CN 114017818 A CN114017818 A CN 114017818A CN 202111298641 A CN202111298641 A CN 202111298641A CN 114017818 A CN114017818 A CN 114017818A
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infrared signal
infrared
cigarette machine
intensity
gesture
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CN114017818B (en
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任富佳
刘荣
陈晓伟
白青松
任嘉华
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Hangzhou Robam Appliances Co Ltd
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Hangzhou Robam Appliances Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention provides a cigarette machine gesture control method, a cigarette machine gesture control device, a controller and a cigarette machine; wherein, the method comprises the following steps: acquiring a first infrared signal and a second infrared signal acquired by an infrared receiver; judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation; if so, controlling the cigarette machine to operate according to the control instruction of the cigarette machine. The first infrared signal and the second infrared signal are collected by the infrared receiver after being reflected by the palm of the user. The controller of the cigarette machine can generate a cigarette machine control instruction for controlling the operation of the cigarette machine according to the first infrared signal and the second infrared signal collected by the infrared receiver. Compare in single infrared signal, can discern the gesture operation of more quantity through first infrared signal and second infrared signal to control the cigarette machine more functions, the user need not to control the cigarette machine with the hand click control panel, can avoid remaining the cross infection problem that the oil stain spot brought on the control panel, thereby improves user's experience degree.

Description

Smoke machine gesture control method and device, controller and smoke machine
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a method, a device, a controller and a range hood for controlling gestures of the range hood.
Background
The cigarette machine that has gesture control function in the existing market, most all can discern the single gesture action of comparison for individual functions such as the stir-fry shelves switch or switching on and shutting down of control cigarette machine do not really accomplish through all functions of gesture control cigarette machine, consequently, need control the cigarette machine with the hand click control panel in the culinary art process, can't avoid the cross infection problem that residual oil stain spot brought on the control panel.
Moreover, if the scheme of recognizing the gesture by the infrared pair transistors is adopted, the infrared pair transistors can only recognize simple gesture actions, and are easily triggered by the fact that the head of a human body approaches or moves mistakenly, so that troubles are brought to the use of a user, and the user experience is reduced. If a scheme of recognizing gestures such as a camera is adopted, although more gestures can be recognized to control more functions, the price is high, the complex operation of the gestures is inconvenient, and the user experience is also reduced.
Disclosure of Invention
In view of this, the invention aims to provide a method, a device, a controller and a cigarette machine for controlling gestures of a cigarette machine, so as to avoid the problem of cross infection caused by residual oil stains on a control panel, thereby improving the experience of a user.
In a first aspect, an embodiment of the present invention provides a method for controlling a gesture of a cigarette machine, which is applied to a controller of the cigarette machine, wherein the cigarette machine is configured with a first infrared transmitter, a second infrared transmitter and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the designated side face of the range hood in parallel; the infrared receiver is in communication connection with the controller; the method comprises the following steps: acquiring a first infrared signal and a second infrared signal acquired by an infrared receiver; wherein the first infrared signal is emitted by a first infrared emitter and the second infrared signal is emitted by a second infrared emitter; judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation; if so, controlling the cigarette machine to operate according to the control instruction of the cigarette machine.
In a preferred embodiment of the present invention, the step of determining whether the first infrared signal and the second infrared signal satisfy a control instruction of the cigarette making machine corresponding to the preset gesture operation includes: detecting the change information of the intensity of the first infrared signal along with the time and the change information of the intensity of the second infrared signal along with the time; and judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to preset gesture operation or not based on the detected change information of the intensity of the first infrared signal along with time and the detected change information of the intensity of the second infrared signal along with time.
In a preferred embodiment of the present invention, the step of determining whether the first infrared signal and the second infrared signal satisfy a control instruction of the cigarette making machine corresponding to the preset gesture operation based on the detected information about the change of the intensity of the first infrared signal with time and the detected information about the change of the intensity of the second infrared signal with time includes: when the intensities of the first infrared signal and the second infrared signal are increased and then decreased along with time, recognizing gesture operation; and determining a control instruction of the cigarette making machine according to the recognized gesture operation.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation includes: if the difference between the intensity peak values of the first infrared signal and the second infrared signal is smaller than the set intensity threshold value, and the time corresponding to the intensity peak value of the first infrared signal is different from the time corresponding to the intensity peak value of the second infrared signal, identifying the gesture operation as a hand-waving operation; and if the intensity peak values of the first infrared signal and the second infrared signal are different, and the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal is smaller than a set time threshold, identifying the gesture operation as finger click operation.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation as a hand swing operation includes: and determining the direction of the waving operation based on the time sequence of the time corresponding to the intensity peak value of the first infrared signal and the time corresponding to the intensity peak value of the second infrared signal.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation as a hand swing operation further includes: and if the difference between the time corresponding to the intensity peak value of the first infrared signal and the time corresponding to the intensity peak value of the second infrared signal is larger than a preset first threshold value, ending the step that the current gesture recognition operation is the hand swing operation.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation as a finger click operation includes: and determining the clicking times of the finger clicking operation based on the duration of time that the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold value.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation as a finger click operation further includes: if the difference between the first moment and the second moment in the first infrared signal or the second infrared signal is larger than a preset third threshold, ending the step that the current gesture recognition operation is a finger click operation; the first moment represents the moment when the intensity of the infrared signal is increased to the preset first intensity; the second time represents a time at which the intensity of the infrared signal decreases to a preset second intensity.
In a preferred embodiment of the present invention, the first infrared emitter and the second infrared emitter alternately emit the first infrared signal and the second infrared signal.
In a second aspect, an embodiment of the present invention further provides a cigarette machine gesture control device, which is applied to a controller of a cigarette machine, where the cigarette machine is configured with a first infrared transmitter, a second infrared transmitter, and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the designated side face of the range hood in parallel; the infrared receiver is in communication connection with the controller; the device comprises: the infrared signal acquisition module is used for acquiring a first infrared signal and a second infrared signal acquired by the infrared receiver; wherein the first infrared signal is emitted by a first infrared emitter and the second infrared signal is emitted by a second infrared emitter; the cigarette machine control instruction judging module is used for judging whether the first infrared signal and the second infrared signal meet a cigarette machine control instruction corresponding to the preset gesture operation; and the cigarette machine control instruction operation module is used for controlling the cigarette machine to operate according to the cigarette machine control instruction if the cigarette machine control instruction operation module is used for controlling the cigarette machine to operate according to the cigarette machine control instruction.
In a third aspect, an embodiment of the present invention further provides a controller, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the steps of the above-mentioned method for controlling a gesture of a cigarette making machine are implemented.
In a fourth aspect, embodiments of the present invention further provide a range hood, which is configured with a first infrared transmitter, a second infrared transmitter, and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the formulated side face of the cigarette machine in parallel; and the range hood is provided with the above controller.
In a preferred embodiment of the present invention, the above-mentioned cigarette making machine further comprises: the display device comprises a glass panel, a display ring and a touch key; the display ring and the touch keys are arranged on the formulated side surface of the cigarette machine; the glass panel is used for shielding the first infrared transmitter, the second infrared transmitter and the infrared receiver; the display ring is used for displaying the air quantity of the range hood; the touch key is used for responding to the touch operation of a user and generating a cigarette machine control instruction corresponding to the touch operation.
The embodiment of the invention has the following beneficial effects:
according to the gesture control method and device for the cigarette making machine, the controller and the cigarette making machine, the first infrared transmitter and the second infrared transmitter respectively transmit the first infrared signal and the second infrared signal, and the first infrared signal and the second infrared signal are collected by the infrared receiver after being reflected by the palm of a user. The controller of the cigarette machine can generate a cigarette machine control instruction for controlling the operation of the cigarette machine according to the first infrared signal and the second infrared signal collected by the infrared receiver. Compare in single infrared signal, can discern the gesture operation of more quantity through first infrared signal and second infrared signal to control the cigarette machine more functions, the user need not to control the cigarette machine with the hand click control panel, can avoid remaining the cross infection problem that the oil stain spot brought on the control panel, thereby improves user's experience degree.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a method for controlling gestures of a cigarette making machine according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for controlling gestures of a cigarette making machine according to an embodiment of the present invention;
FIG. 3 is a schematic view of the working principle of a method for controlling gestures of a cigarette making machine according to an embodiment of the present invention;
FIG. 4 is a schematic waveform diagram of a waving operation according to an embodiment of the present invention;
FIG. 5 is a waveform diagram illustrating another waving operation according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a cigarette making machine gesture control device according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a cigarette making machine according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a controller according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Cigarette machines with gesture control function in the existing market mostly can only recognize single gesture actions, can not avoid the cross infection problem caused by residual oil stain and stain on the control panel, and can reduce user experience. Based on the method, the device, the controller and the cigarette machine provided by the embodiment of the invention, the recognized gesture actions are more accurate and rich, more functions of the cigarette machine can be controlled, the problem of cross infection caused by residual oil stain and stain on a control panel is avoided, and the user experience is improved.
In order to facilitate understanding of the embodiment, a method for controlling a cigarette machine gesture disclosed by the embodiment of the invention is first described in detail.
The embodiment provides a gesture control method of a cigarette making machine, which is applied to a controller of the cigarette making machine, wherein the cigarette making machine is provided with a first infrared transmitter, a second infrared transmitter and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the designated side face of the range hood in parallel; the infrared receiver is in communication connection with the controller; referring to a flow chart of a cigarette machine gesture control method shown in fig. 1, the cigarette machine gesture control method comprises the following steps:
step S102, acquiring a first infrared signal and a second infrared signal acquired by an infrared receiver; wherein the first infrared signal is emitted by a first infrared emitter and the second infrared signal is emitted by a second infrared emitter.
The range hood in this embodiment is provided with a first infrared transmitter, a second infrared transmitter and an infrared receiver. The three all sets up the appointed side at the cigarette machine, and the appointed side can be the front panel of cigarette machine, and the front panel is just to the user, and the user can make the gesture when cooking.
The first infrared emitter emits a first infrared signal and the second infrared emitter emits a second infrared signal. First infrared signal and second infrared signal, the user is owing to just to first infrared emitter, second infrared emitter and infrared receiver, and when the user made the gesture when cooking, first infrared signal and second infrared signal can shine user's hand, then reflect and by first infrared signal. The controller is connected with the infrared receiver and can acquire the first infrared signal and the second infrared signal acquired by the infrared receiver.
And S104, judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to the preset gesture operation.
After the controller acquires the first infrared signal and the second infrared signal, whether the first infrared signal and the second infrared signal meet preset gesture operation or not can be analyzed, if yes, corresponding gesture operation can be determined, and a cigarette machine control instruction corresponding to the gesture operation is determined.
And S106, if so, controlling the cigarette making machine to operate according to the cigarette making machine control instruction.
If the first infrared signal and the second infrared signal meet the control instruction of the cigarette machine corresponding to the preset gesture operation, the controller can control the cigarette machine to perform corresponding operation according to the control instruction of the cigarette machine so as to realize the operation of the cigarette machine. For example: the controller can accurately identify the gesture actions of clicking and hovering, double clicking, waving hands from left to right and waving hands from right to left, through reasonable interactive logic design, the gesture actions of clicking and hovering are utilized to control starting and shutdown switching, the gesture actions of waving hands from right to left control lighting switch switching, the gesture actions of waving hands from left to right control the switching of large air volume (quick-fried air volume)/small air volume (weak-grade air volume) of the range hood, and the like.
According to the gesture control method of the cigarette machine, the first infrared transmitter and the second infrared transmitter respectively transmit the first infrared signal and the second infrared signal, and the first infrared signal and the second infrared signal are collected by the infrared receiver after being reflected by the palm of a user. The controller of the cigarette machine can generate a cigarette machine control instruction for controlling the operation of the cigarette machine according to the first infrared signal and the second infrared signal collected by the infrared receiver. Compare in single infrared signal, can discern the gesture operation of more quantity through first infrared signal and second infrared signal to control the cigarette machine more functions, the user need not to control the cigarette machine with the hand click control panel, can avoid remaining the cross infection problem that the oil stain spot brought on the control panel, thereby improves user's experience degree.
The embodiment provides another cigarette machine gesture control method, which is realized on the basis of the embodiment; the embodiment focuses on a specific implementation manner for judging whether the first infrared signal and the second infrared signal meet a control instruction of the cigarette making machine corresponding to the preset gesture operation. As shown in fig. 2, another flow chart of a cigarette maker gesture control method, the cigarette maker gesture control method in this embodiment includes the following steps:
step S202, acquiring a first infrared signal and a second infrared signal acquired by an infrared receiver; wherein the first infrared signal is emitted by a first infrared emitter and the second infrared signal is emitted by a second infrared emitter.
The working principle of the cigarette machine gesture control method in this embodiment can be seen in a schematic working principle diagram of a cigarette machine gesture control method shown in fig. 3. As shown in fig. 3, the controller 30 is in communication connection with an infrared receiver 201, a first infrared emitter 202 and a second infrared emitter 203 are respectively disposed on two sides of the infrared receiver 201, and are disposed in parallel on the glass panel 10, and the infrared receiver 201, the first infrared emitter 202, and the second infrared emitter 203 together form the spatial gesture recognition module 20. Gesture operations (which may also be referred to as gesture motions) made by the user are recognized by the spatial gesture recognition module 20 and sent to the controller 30.
As shown in fig. 3, the spatial gesture recognition module can be installed and fixed in the key board electric control box and tightly attached to the glass panel, and a black film with high infrared transmittance or a silk screen can be added in the middle of the spatial gesture recognition module, so that the overall coordination and attractiveness of the glass panel are improved. The first infrared transmitter and the second infrared transmitter which are arranged on the left side and the right side alternately transmit infrared signals, and the infrared receiver receives the intensity change of the infrared signals in real time. The gesture actions of clicking, hovering, double clicking, waving hands from left to right and waving hands from right to left can be accurately identified through the change of the intensity of the left and right infrared signals along with time, gesture action information is sent to the controller, the controller controls starting and shutdown switching according to the clicking, hovering or double clicking gesture actions, the left and right waving hands controls switching of the lighting switch, and the right and left waving hands controls switching of large air volume (quick-fried air volume)/small air volume (weak-grade air volume) of the range hood. Therefore, all functions of the cigarette machine such as startup and shutdown, illumination and air volume adjustment can be controlled through three simple gesture actions, the control panel of the cigarette machine is completely prevented from being touched by hands in the cooking process, oil stains and stains are prevented from cross-infecting food, and the cigarette machine is clean and sanitary.
Step S204, detecting the change information of the intensity of the first infrared signal along with the time and the change information of the intensity of the second infrared signal along with the time.
The intensity change information of the first infrared signal and the second infrared signal corresponding to different gestures along with time is different, and the intensity change information along with time can be represented by an infrared waveform. Thus, the controller may first determine the waveforms of the first infrared signal and the second infrared signal.
And S206, judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to preset gesture operation or not based on the detected change information of the intensity of the first infrared signal along with time and the detected change information of the intensity of the second infrared signal along with time.
After determining the waveforms of the first infrared signal and the second infrared signal, the controller may determine whether the user has made a gesture operation and specific contents of the finger operation according to the waveforms. And determining a corresponding cigarette machine control instruction according to the recognized gesture operation, for example, through the steps A1-A2:
step A1, when the intensity of the first infrared signal and the intensity of the second infrared signal both increase and then decrease with time, the gesture operation is recognized.
The intensity of the first infrared signal and the second infrared signal generally does not change if the user does not make a gesture. When the user is doing the gesture action, the intensity of first infrared signal and second infrared signal can increase with time, and when the user is finishing the gesture action, the intensity of first infrared signal and second infrared signal can reduce with time. Therefore, when the intensity of the first infrared signal and the intensity of the second infrared signal both increase and decrease with time, it is indicated that the user has made a gesture motion, and the gesture motion is completed, and the controller may recognize the gesture operation. Specifically, the gesture operation may be divided into a hand-waving operation and a finger-clicking operation. Which correspond to different waveforms.
Referring to fig. 4, a waveform diagram of a waving operation is shown, in fig. 4, a solid line is a waveform of the first infrared signal, and a dotted line is a waveform of the second infrared signal. The first infrared emitter is arranged on the left side, the second infrared emitter is arranged on the right side, and the first infrared emitter and the second infrared emitting area are both infrared emitting diodes.
From fig. 4 it can be concluded that: and if the difference between the intensity peak values of the first infrared signal and the second infrared signal is smaller than the set intensity threshold value, and the time corresponding to the intensity peak value of the first infrared signal is different from the time corresponding to the intensity peak value of the second infrared signal, identifying the gesture operation as a hand swinging operation.
As shown in fig. 4, the left infrared emitting diode is turned on to emit an infrared signal T1us, the infrared signal reflected by the left infrared emitting diode is collected when the reflected signal is stable at the time of T1/2us, the right infrared emitting diode is turned on to emit an infrared signal T1us, the infrared signal reflected by the right infrared emitting diode is collected at the time of T1/2us, the signal emission timings of the left and right infrared emitting tubes are staggered, and the right emitting tube can emit infrared light after the emission of the left emitting tube is not required. And acquiring the time of the peak moment of the infrared signal intensity as Tmax.
Thus, the left infrared emitting diode and the right infrared emitting diode are alternately opened, the solid line represents the intensity of the reflected infrared signal received by the infrared receiving sensor when the left infrared emitting diode is opened, and the dotted line represents the intensity of the reflected infrared signal received by the infrared receiving sensor when the right infrared emitting diode is opened.
In addition, the controller may further determine the direction of the waving operation based on a chronological order of a time corresponding to the intensity peak of the first infrared signal and a time corresponding to the intensity peak of the second infrared signal. For example, when the hand moves from the left to the right of the sensing area, the intensity of the infrared signal reflected by the left infrared emitting diode increases to the maximum and then decreases, and then the intensity of the infrared signal reflected by the right infrared emitting diode increases to the maximum and then decreases. And calculating the time difference of the left infrared signal intensity peak and the right infrared signal intensity peak through the delta T-Tmax 2-Tmax 1.
In order to prevent the false touch caused by the movement of the head of the human body, if the difference between the time corresponding to the intensity peak value of the first infrared signal and the time corresponding to the intensity peak value of the second infrared signal is larger than a preset first threshold value, the step that the current gesture recognition operation is the hand swing operation is finished. When the human head moves in the sensing area, the speed is relatively low, the reflection area of the human head moves out of the sensing area after a relatively long time, and the waving action is not responded when the delta T (namely the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal) is greater than a set waving determination threshold Tth (namely a first threshold), so that the false triggering caused by the movement of the human body can be effectively avoided.
The normal hand waving speed is smaller than the reflection area of a faster hand by a small Δ T and smaller than the hand waving determination threshold Tth, so that the recognition response of the hand waving gesture motion is not affected. If the hand waving motion is from right to left, the waveform is just opposite, and the Tmax1 is greater than the Tmax2, and the delta T is Tmax1 to Tmax2, which can also be identified similarly.
Referring to fig. 5, another waveform diagram of the waving operation may be seen, in which a solid line in fig. 5 is a waveform of the first infrared signal, and a dotted line is a waveform of the second infrared signal. Whether fig. 4 or fig. 5, the first infrared emitter and the second infrared emitter may alternately emit the first infrared signal and the second infrared signal.
From fig. 5 it can be concluded that: and if the intensity peak values of the first infrared signal and the second infrared signal are different, and the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal is smaller than a set time threshold, identifying the gesture operation as finger click operation.
As shown in fig. 5, the intensity of the left and right infrared reflected signals increases and decreases simultaneously at the time of clicking, a waveform with a large signal value is taken for judgment, the time point when the signal intensity increases to the minimum judgment value Smin is denoted as Tstart, the time point when the signal intensity increases to the click judgment threshold Sclik is denoted as Ts1, and the time point Δ T is Ts1-Tstart, so as to calculate the click operation time.
In order to prevent the false touch caused by the head movement, if the difference between the first time and the second time in the first infrared signal or the second infrared signal is greater than a preset third threshold, ending the step that the current gesture recognition operation is a finger click operation; the first moment represents the moment when the intensity of the infrared signal is increased to the preset first intensity; the second time represents a time at which the intensity of the infrared signal decreases to a preset second intensity.
The difference between the first time and the second time is delta T, the speed is relatively low when the human body approaches the control panel, the delta T is relatively large, and the clicking action is invalid when the delta T is greater than a set determination threshold Tth (namely, a third threshold), so that the false triggering caused when the head of the human body and the like approach the control panel can be effectively avoided.
In addition, the number of clicks of the finger click operation may be determined based on the duration of time for which the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold.
The normal single click action is fast, and the delta T smaller than the determination threshold Tth can be accurately identified. And when the time point when the signal is reduced to be below the Sclik is marked as Ts2, and the time duration of the single click action is calculated by the delta T2-Ts 2-1, the single click action can be judged to be the single click hovering action when the time exceeds a preset threshold Tth1, and the double click action can be judged if the time of two single click actions is less than a preset threshold Tth1 and the interval time between the first single click action and the second single click action is short. The double-click action needs to judge that the time delta T of two continuous single-click actions is smaller than the judgment threshold Tth, and the interval time of the two continuous single-click actions is shorter, so that the head of a human body is moved close to the human body and is not easy to be identified by mistake, and the double-click action is particularly suitable for the European-style cigarette making machine with an operation panel closer to the human body.
And step A2, determining a control instruction of the cigarette making machine according to the recognized gesture operation.
After the recognized gesture operation, the controller may determine a cigarette machine control instruction corresponding to the recognized gesture operation. Generally, the controller is preset with a corresponding relation between gesture operation and cigarette machine control instructions, and the cigarette machine control instructions corresponding to the recognized gesture operation can be determined according to the corresponding relation.
And S208, if so, controlling the range hood to operate according to the control instruction of the range hood.
It should be noted that, in the embodiment of the present invention, the first infrared transmitter, the second infrared transmitter, and the infrared receiver are all distributed in a left-right arrangement, and in addition, the first infrared transmitter, the second infrared transmitter, and the infrared receiver may be distributed in an upper-lower arrangement, so that the hand waving from the top to the bottom and the hand waving from the bottom to the top can be identified. A similar effect can be achieved instead of from left to right and from right to left.
This embodiment can utilize single click hover, double click, wave hand from left to right, wave hand gesture action from right to left, and reasonable interaction control logic still includes: the single-click hovering is utilized to control the startup and shutdown and synchronously open and close the lighting and the air door, the hand waving from left to right is utilized to select the large air volume to switch the air volume into the stir-frying air volume and the strong air volume, and the hand waving from right to left is utilized to select the small air volume to switch the air volume into the weak air volume, the closed air volume and the like. The cigarette machine can be simply and efficiently controlled to have all functions of startup and shutdown, illumination and air volume regulation through three simple gesture actions, and good user control experience is achieved. The double-click action replaces the single-click hovering action to control the on-off of the cigarette machine, all functions of the cigarette machine can be simply and efficiently controlled, and the double-click action is not mistakenly triggered by the movement and shaking of a human body.
Reasonable interactive logic design in this embodiment still includes utilizing the double click action control switch machine (the cigarette machine synchro switch baffle that has the air door baffle), utilizes the action of hovering to control the illumination, utilizes waving the hand from left side right and selects the big amount of wind to switch the amount of wind for exploding the stir-fry amount of wind and strong grade amount of wind, utilizes waving the hand from right side left and selects the little amount of wind to switch the amount of wind for weak grade amount of wind and close the amount of wind etc. also can simply be again all functions of high-efficient control cigarette machine promptly.
The embodiment can also identify whether the human body movement is falsely triggered or normal gesture action by judging the speed of the waving motion, for example, when the human body is waving left and right, the time difference between the left and right peak values is Tmax2-Tmax1, the distance between the left and right infrared emitting diodes is S1, the speed V is S1/Δ T, a threshold value Vth is set according to the normal waving speed, and when the speed V is less than Vth, the human body slow movement is considered to be falsely triggered but not normal waving motion, so that the left and right waving motions are not responded, and the false triggering phenomenon caused by the movement of the human body in the horizontal position is effectively avoided.
According to the method provided by the embodiment, the high-sensitivity infrared receiving sensor is adopted, and the intensity change of the reflected signals of the infrared transmitting tubes on the left side and the right side can be detected in real time, so that not only can the horizontal movement of the gesture action be detected, but also the approaching and the departing of a hand on a spatial distance can be detected, and the waving action or the clicking or double-clicking action can be accurately distinguished. The recognized gesture actions are more accurate and richer, the cigarette machine can be controlled to have more functions, and the scheme price is lower and can be applied in a large batch.
According to the method provided by the embodiment, whether the head of the human body approaches or moves or is an effective gesture action can be effectively distinguished through the intensity change speed of the infrared reflection signal. Therefore, false triggering caused by the fact that the head of the human body is close to or moves is avoided, and gesture recognition is more accurate and efficient, and experience is better.
The method provided by the embodiment can accurately identify the gesture actions of clicking and hovering, double clicking, waving hands from left to right and waving hands from right to left, controls the switching between startup and shutdown by utilizing the gesture actions of clicking and hovering through reasonable interactive logic design, controls the switching of the lighting switch by waving hands from right to left, and controls the switching of large air volume (quick-frying air volume)/small air volume (weak-grade air volume) of the range hood by waving hands from left to right. Therefore, all functions of the cigarette machine such as startup and shutdown, illumination and air volume adjustment can be controlled through three simple gesture actions, the control panel of the cigarette machine is completely prevented from being touched by hands in the cooking process, oil stains and stains are prevented from cross-infecting food, and the cigarette machine is clean and sanitary.
According to the method provided by the embodiment, when a person operates the standby touch key, the standby touch key can be recognized as the gesture action by the gesture recognition module, so that the interference of the touch key needs to be avoided when the mounting positions of the gesture recognition module and the standby key are very close to each other, and the interference caused by the gesture action which is mistakenly recognized when the touch key is touched can be effectively avoided by setting the non-response gesture action within the fixed time when the key is effective.
Corresponding to the above method embodiment, referring to the schematic structural diagram of a cigarette machine gesture control device shown in fig. 6, the device is applied to a controller of a cigarette machine, and the cigarette machine is configured with a first infrared transmitter, a second infrared transmitter and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the designated side face of the range hood in parallel; the infrared receiver is in communication connection with the controller; this cigarette machine gesture controlling means includes:
the infrared signal acquisition module 61 is used for acquiring a first infrared signal and a second infrared signal acquired by the infrared receiver; wherein the first infrared signal is emitted by a first infrared emitter and the second infrared signal is emitted by a second infrared emitter;
the cigarette machine control instruction judging module 62 is used for judging whether the first infrared signal and the second infrared signal meet a cigarette machine control instruction corresponding to a preset gesture operation;
and the cigarette machine control instruction operation module 63 is used for controlling the cigarette machine to operate according to the cigarette machine control instruction if the cigarette machine control instruction operation module is used for controlling the cigarette machine to operate according to the cigarette machine control instruction.
According to the gesture control device of the cigarette machine, the first infrared transmitter and the second infrared transmitter respectively transmit the first infrared signal and the second infrared signal, and the first infrared signal and the second infrared signal are collected by the infrared receiver after being reflected by the palm of a user. The controller of the cigarette machine can generate a cigarette machine control instruction for controlling the operation of the cigarette machine according to the first infrared signal and the second infrared signal collected by the infrared receiver. Compare in single infrared signal, can discern the gesture operation of more quantity through first infrared signal and second infrared signal to control the cigarette machine more functions, the user need not to control the cigarette machine with the hand click control panel, can avoid remaining the cross infection problem that the oil stain spot brought on the control panel, thereby improves user's experience degree.
Further, the cigarette machine control instruction judgment module is used for detecting the change information of the intensity of the first infrared signal along with the time and the change information of the intensity of the second infrared signal along with the time; and judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to preset gesture operation or not based on the detected change information of the intensity of the first infrared signal along with time and the detected change information of the intensity of the second infrared signal along with time.
Further, the cigarette machine control instruction judging module is used for recognizing gesture operation when the intensities of the first infrared signal and the second infrared signal are increased and then decreased along with time; and determining a control instruction of the cigarette making machine according to the recognized gesture operation.
Further, the cigarette machine control instruction judging module is used for identifying the gesture operation as a hand-waving operation if the difference between the intensity peak values of the first infrared signal and the second infrared signal is smaller than a set intensity threshold value and the time corresponding to the intensity peak value of the first infrared signal is different from the time corresponding to the intensity peak value of the second infrared signal; and if the intensity peak values of the first infrared signal and the second infrared signal are different, and the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal is smaller than a set time threshold, identifying the gesture operation as finger click operation.
Further, the cigarette machine control instruction judging module is used for determining the direction of the hand waving operation based on the time sequence of the time corresponding to the intensity peak value of the first infrared signal and the time corresponding to the intensity peak value of the second infrared signal.
Further, the cigarette machine control instruction judgment module is further configured to end the step of recognizing the gesture operation currently as the hand swing operation if a difference between a time corresponding to the intensity peak of the first infrared signal and a time corresponding to the intensity peak of the second infrared signal is greater than a preset first threshold.
Further, the cigarette machine control instruction judging module is used for determining the clicking times of the finger clicking operation based on the duration that the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold.
Further, the cigarette machine control instruction judgment module is further configured to end the step that the current gesture recognition operation is a finger click operation if a difference between the first time and the second time in the first infrared signal or the second infrared signal is greater than a preset third threshold; the first moment represents the moment when the intensity of the infrared signal is increased to the preset first intensity; the second time represents a time at which the intensity of the infrared signal decreases to a preset second intensity.
Further, the first infrared emitter and the second infrared emitter alternately emit the first infrared signal and the second infrared signal.
The cigarette machine gesture control device provided by the embodiment of the invention has the same technical characteristics as the cigarette machine gesture control method provided by the embodiment, so that the same technical problems can be solved, and the same technical effects are achieved.
The embodiment of the invention also provides a controller which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and the steps of the cigarette machine gesture control method are realized when the processor executes the computer program.
The embodiment of the invention also provides a range hood which is provided with a first infrared transmitter, a second infrared transmitter and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the formulated side face of the cigarette machine in parallel; and the range hood is provided with the above-mentioned controller.
Referring to fig. 7, which is a schematic structural view of a cigarette machine, a glass panel 10 is positioned at the front of the cigarette machine and is arranged in front of a first infrared emitter, a second infrared emitter and an infrared receiver for shielding the first infrared emitter, the second infrared emitter and the infrared receiver; the display ring 102 and the touch key 101 are both arranged on the formulated side surface of the cigarette machine, and the display ring is used for displaying the air quantity of the cigarette machine; the touch key is used for responding to the touch operation of a user and generating a cigarette machine control instruction corresponding to the touch operation.
Because the control panel of the European-type tower-type smoke machine is close to the head of a human body, the horizontal movement and the back-and-forth shaking of the human body in front of the control panel in the cooking process are easily recognized by the gesture sensor module to be gesture actions, so that the false triggering is caused. Therefore, it is very important to effectively recognize the false triggering caused by the gesture and the human body movement. When a person operates the touch key, the person can be recognized as a gesture action by the gesture recognition module, so that the interference of controlling the touch key action on gesture recognition needs to be avoided when the gesture recognition module is close to the key installation position, and the interference caused by mistakenly recognizing the gesture action when the touch key is touched can be effectively avoided by setting the gesture action not to be responded within a fixed time when the touch key is effective.
The embodiment of the invention also provides a controller for operating the cigarette machine gesture control method; referring to the structural schematic diagram of a controller shown in fig. 8, the controller comprises a memory 800 and a processor 801, wherein the memory 800 is used for storing one or more computer instructions, and the one or more computer instructions are executed by the processor 801 to realize the above-mentioned cigarette machine gesture control method.
Further, the controller shown in fig. 8 further includes a bus 802 and a communication interface 803, and the processor 801, the communication interface 803, and the memory 800 are connected by the bus 802.
The Memory 800 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 803 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used. Bus 802 can be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 8, but that does not indicate only one bus or one type of bus.
The processor 801 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 801. The Processor 801 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 800, and the processor 801 reads the information in the memory 800, and completes the steps of the method of the foregoing embodiment in combination with the hardware thereof.
The embodiment of the invention also provides a computer-readable storage medium, wherein computer-executable instructions are stored in the computer-readable storage medium, and when the computer-executable instructions are called and executed by a processor, the computer-executable instructions cause the processor to realize the cigarette machine gesture control method.
The method, the device, the controller and the computer program product for controlling the gestures of the cigarette making machine provided by the embodiment of the invention comprise a computer readable storage medium storing program codes, instructions included in the program codes can be used for executing the method in the previous method embodiment, and specific implementation can refer to the method embodiment and is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and/or the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (13)

1. The gesture control method of the cigarette machine is characterized by being applied to a controller of the cigarette machine, wherein the cigarette machine is provided with a first infrared transmitter, a second infrared transmitter and an infrared receiver; wherein the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged in parallel on a designated side of the range hood; the infrared receiver is in communication connection with the controller; the method comprises the following steps:
acquiring a first infrared signal and a second infrared signal acquired by the infrared receiver; wherein the first infrared signal is emitted by the first infrared emitter and the second infrared signal is emitted by the second infrared emitter;
judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation;
if so, controlling the cigarette machine to operate according to the cigarette machine control instruction.
2. The method according to claim 1, wherein the step of determining whether the first infrared signal and the second infrared signal satisfy a control instruction of the cigarette making machine corresponding to a preset gesture operation comprises:
detecting information on the change of the intensity of the first infrared signal with time and information on the change of the intensity of the second infrared signal with time;
and judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to preset gesture operation or not based on the detected change information of the intensity of the first infrared signal along with time and the detected change information of the intensity of the second infrared signal along with time.
3. The method according to claim 2, wherein the step of judging whether the first infrared signal and the second infrared signal meet a cigarette machine control instruction corresponding to preset gesture operation based on the detected information of the change of the intensity of the first infrared signal with time and the detected information of the change of the intensity of the second infrared signal with time comprises the following steps:
when the intensities of the first infrared signal and the second infrared signal are increased and then decreased along with time, recognizing the gesture operation;
and determining a control instruction of the cigarette making machine according to the recognized gesture operation.
4. The method of claim 3, wherein the step of identifying the gesture operation comprises:
if the difference between the intensity peak values of the first infrared signal and the second infrared signal is smaller than a set intensity threshold value, and the time corresponding to the intensity peak value of the first infrared signal is different from the time corresponding to the intensity peak value of the second infrared signal, identifying the gesture operation as a hand-waving operation;
and if the intensity peak values of the first infrared signal and the second infrared signal are different, and the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal is smaller than a set time threshold, identifying the gesture operation as finger click operation.
5. The method of claim 4, wherein the step of identifying the gesture operation as a waving operation comprises:
and determining the direction of the waving operation based on the time sequence of the time corresponding to the intensity peak value of the first infrared signal and the time corresponding to the intensity peak value of the second infrared signal.
6. The method of claim 4, wherein the step of identifying the gesture operation as a waving operation further comprises:
and if the difference between the moment corresponding to the intensity peak value of the first infrared signal and the moment corresponding to the intensity peak value of the second infrared signal is larger than a preset first threshold value, ending the step of identifying the gesture operation as the hand swing operation at present.
7. The method of claim 4, wherein the step of identifying the gesture operation as a finger tap operation comprises:
determining the number of clicks of the finger click operation based on the duration that the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold.
8. The method of claim 4, wherein the step of identifying the gesture operation as a finger tap operation further comprises:
if the difference between the first moment and the second moment in the first infrared signal or the second infrared signal is larger than a preset third threshold, ending the step of recognizing the gesture operation as the finger click operation at present; the first moment represents the moment when the intensity of the infrared signal is increased to a preset first intensity; the second time represents a time when the intensity of the infrared signal decreases to a preset second intensity.
9. The method of claim 1, wherein the first infrared emitter and the second infrared emitter alternately emit the first infrared signal and the second infrared signal.
10. The gesture control device of the cigarette machine is characterized by being applied to a controller of the cigarette machine, wherein the cigarette machine is provided with a first infrared transmitter, a second infrared transmitter and an infrared receiver; wherein the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged in parallel on a designated side of the range hood; the infrared receiver is in communication connection with the controller; the device comprises:
the infrared signal acquisition module is used for acquiring a first infrared signal and a second infrared signal acquired by the infrared receiver; wherein the first infrared signal is emitted by the first infrared emitter and the second infrared signal is emitted by the second infrared emitter;
the cigarette machine control instruction judging module is used for judging whether the first infrared signal and the second infrared signal meet a cigarette machine control instruction corresponding to preset gesture operation;
and the cigarette machine control instruction operation module is used for controlling the cigarette machine to operate according to the cigarette machine control instruction if the cigarette machine control instruction operation module is used for controlling the cigarette machine to operate according to the cigarette machine control instruction.
11. A controller comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor when executing the computer program implementing the steps of the cigarette machine gesture control method of any one of the preceding claims 1 to 9.
12. A range hood, said range hood being configured with a first infrared transmitter, a second infrared transmitter and an infrared receiver; the first infrared transmitter, the second infrared transmitter and the infrared receiver are arranged on the formulated side face of the cigarette machine in parallel; and the range hood is provided with the controller of claim 11.
13. The machine as claimed in claim 12, further comprising: the display device comprises a glass panel, a display ring and a touch key; the glass panel is arranged in front of the first infrared emitter, the second infrared emitter and the infrared receiver, and the display ring and the touch keys are arranged on the formulated side face of the cigarette machine;
the glass panel is used for shielding the first infrared transmitter, the second infrared transmitter and the infrared receiver;
the display ring is used for displaying the air volume of the range hood;
the touch key is used for responding to touch operation of a user and generating a cigarette machine control instruction corresponding to the touch operation.
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