CN114017818B - Gesture control method and device for smoke machine, controller and smoke machine - Google Patents
Gesture control method and device for smoke machine, controller and smoke machine Download PDFInfo
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- CN114017818B CN114017818B CN202111298641.6A CN202111298641A CN114017818B CN 114017818 B CN114017818 B CN 114017818B CN 202111298641 A CN202111298641 A CN 202111298641A CN 114017818 B CN114017818 B CN 114017818B
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- 239000000779 smoke Substances 0.000 title claims abstract description 165
- 238000000034 method Methods 0.000 title claims abstract description 61
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims description 30
- 230000036962 time dependent Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 230000002829 reductive effect Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 7
- 206010011409 Cross infection Diseases 0.000 abstract description 10
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 10
- 230000009471 action Effects 0.000 description 50
- 230000006870 function Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 238000010411 cooking Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 101100208381 Caenorhabditis elegans tth-1 gene Proteins 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000802 evaporation-induced self-assembly Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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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
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- 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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Abstract
The invention provides a gesture control method and device for a smoke machine, a controller and the smoke 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 or not; if so, controlling the smoke machine to operate according to the smoke machine control instruction. 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 smoke machine can generate a smoke machine control instruction for controlling the operation of the smoke machine according to the first infrared signal and the second infrared signal acquired 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 more function of cigarette machine, the user need not to click control panel with the hand and controls the cigarette machine, can avoid the cross infection problem that residual oil stain spot brought on the control panel, thereby improves user's experience degree.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a gesture control method and device for a smoke machine, a controller and the smoke machine.
Background
At present, most of the smoke machines with gesture control functions in the market can only recognize single gesture actions for controlling individual functions such as quick-frying gear switching or on-off of the smoke machines, and all functions of the smoke machines are not really controlled through gestures, so that the smoke machines are required to be controlled by clicking a control panel by hands in the cooking process, and cross infection caused by residual oil stains on the control panel cannot be avoided.
Moreover, if the scheme of recognizing gestures by the infrared geminate transistors is adopted, the infrared geminate transistors can only recognize simple gesture actions and are easily triggered by the approach or movement of the head of a human body, so that the trouble is brought to the use of users, and the user experience is reduced. If a scheme of recognizing gestures by a camera or the like is adopted, more gestures can be recognized to control more functions, but the price is high, the complex operation of the gestures is inconvenient, and the experience of a user is also reduced.
Disclosure of Invention
Accordingly, the invention aims to provide a gesture control method and device for a smoke machine, a controller and the smoke machine, so as to avoid the problem of cross infection caused by residual oil stains on a control panel, and further improve the experience of users.
In a first aspect, an embodiment of the present invention provides a gesture control method for a smoke machine, which is applied to a controller of the smoke machine, where the smoke machine is configured with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine 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 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 or not; if so, controlling the smoke machine to operate according to the smoke machine control instruction.
In a preferred embodiment of the present invention, the step of determining whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation includes: detecting time-dependent change information of the intensity of the first infrared signal and time-dependent change information of the intensity of the second infrared signal; and judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to the 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 the smoke machine control instruction corresponding to the 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 includes: when the intensities of the first infrared signal and the second infrared signal are increased and then reduced with time, gesture operation is recognized; and determining a smoke machine control instruction according to the recognized gesture operation.
In a preferred embodiment of the present invention, the step of identifying the gesture operation includes: if the difference between the intensity peaks of the first infrared signal and the second infrared signal is smaller than the set intensity threshold, and the moment corresponding to the intensity peak of the first infrared signal is different from the moment corresponding to the intensity peak of the second infrared signal, recognizing gesture operation as waving operation; if the intensity peaks of the first infrared signal and the second infrared signal are different, and the difference between the time corresponding to the intensity peak of the first infrared signal and the time corresponding to the intensity peak of the second infrared signal is smaller than a set time threshold, recognizing the gesture operation as a finger click operation.
In a preferred embodiment of the present invention, the step of identifying the gesture operation as a waving operation includes: and determining the direction of the waving operation based on the time sequence of 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.
In a preferred embodiment of the present invention, the step of identifying the gesture operation as a waving operation further includes: 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 recognizing the gesture operation as the waving operation currently.
In a preferred embodiment of the present invention, the step of recognizing the gesture operation as the finger clicking operation includes: the number of clicks of the finger clicking operation is determined based on a duration in which the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold.
In a preferred embodiment of the present invention, the step of identifying the gesture operation as a finger clicking operation further includes: if the difference between the first time and the second time in the first infrared signal or the second infrared signal is larger than a preset third threshold value, ending the step of recognizing the gesture operation currently as the finger clicking operation; wherein the first moment characterizes a moment when the intensity of the infrared signal increases to a preset first intensity; the second time characterizes 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 a first infrared signal and a second infrared signal.
In a second aspect, the embodiment of the invention also provides a gesture control device of a smoke machine, which is applied to a controller of the smoke machine, wherein the smoke machine is provided with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine 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 the first infrared emitter and the second infrared signal is emitted by the second infrared emitter; the smoke machine control instruction judging module is used for judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation or not; and the smoke machine control instruction operation module is used for controlling the smoke machine to operate according to the smoke machine control instruction if the smoke machine control instruction operation module is used for controlling the smoke machine to operate according to the smoke machine control instruction.
In a third aspect, an embodiment of the present invention further provides a controller, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor executes the computer program to implement the steps of the above-mentioned smoke machine gesture control method.
In a fourth aspect, embodiments of the present invention further provide a smoke machine configured with a first infrared emitter, a second infrared emitter, and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine in parallel; and the smoke machine is provided with the controller.
In a preferred embodiment of the present invention, the above-mentioned smoke machine further comprises: the display device comprises a glass panel, a display ring and touch keys; 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 appointed side face of the smoke machine; the glass panel is used for shielding the first infrared emitter, the second infrared emitter and the infrared receiver; the display ring is used for displaying the air quantity of the smoke machine; the touch key is used for responding to touch operation of a user and generating a smoke 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 smoke machine, the controller and the smoke machine, the first infrared emitter and the second infrared emitter emit the first infrared signal and the second infrared signal respectively, 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 smoke machine can generate a smoke machine control instruction for controlling the operation of the smoke machine according to the first infrared signal and the second infrared signal acquired 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 more function of cigarette machine, the user need not to click control panel with the hand and controls the cigarette machine, can avoid the cross infection problem that residual 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 will be obvious from the description, or may be learned by practice of the techniques of the disclosure.
The foregoing objects, features and advantages of the disclosure will be more readily apparent from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a method for controlling a gesture of a smoke machine according to an embodiment of the present invention;
FIG. 2 is a flowchart of another method for controlling a gesture of a smoke machine according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the working principle of a gesture control method of a smoke 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 schematic waveform diagram of another waving operation according to embodiments of the present invention;
fig. 6 is a schematic structural diagram of a gesture control device for a smoke machine according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a smoke 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
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, 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 embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Most of the smoke machines with gesture control functions in the current market can only recognize single gesture actions to be compared, so that the problem of cross infection caused by residual oil stains on a control panel cannot be avoided, and the user experience can be reduced. Based on the gesture control method and device for the smoke machine, the controller and the smoke machine provided by the embodiment of the invention, the recognized gesture actions are more accurate and rich, more functions of the smoke machine can be controlled, the cross infection problem caused by residual oil stains on the control panel is avoided, and the user experience is improved.
For the sake of understanding the present embodiment, first, a detailed description is provided of a gesture control method for a smoke machine disclosed in the present embodiment.
The embodiment provides a gesture control method of a smoke machine, which is applied to a controller of the smoke machine, wherein the smoke machine is provided with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine in parallel; the infrared receiver is in communication connection with the controller; referring to a flowchart of a smoke machine gesture control method shown in fig. 1, the smoke machine gesture control method includes 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 the first infrared emitter and the second infrared signal is emitted by the second infrared emitter.
The smoke machine in the embodiment is provided with a first infrared emitter, a second infrared emitter and an infrared receiver. The three are arranged on the appointed side surface of the cigarette making machine, the appointed side surface can be a front panel of the cigarette making machine, the front panel is opposite to a user, and the user can make gestures during cooking.
The first infrared emitter emits a first infrared signal and the second infrared emitter emits a second infrared signal. The first infrared signal and the second infrared signal are opposite to the first infrared emitter, the second infrared emitter and the infrared receiver, so that when the user makes a gesture during cooking, the first infrared signal and the second infrared signal can irradiate the hand of the user and then reflect and are received by the first infrared signal. The controller is connected with the infrared receiver and can acquire a first infrared signal and a second infrared signal acquired by the infrared receiver.
Step S104, judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a 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 can be analyzed, if so, corresponding gesture operation can be determined, and a smoke machine control instruction corresponding to the gesture operation can be determined.
And S106, if so, controlling the smoke machine to operate according to the smoke machine control instruction.
If the first infrared signal and the second infrared signal meet the control instruction of the smoke machine corresponding to the preset gesture operation, the controller can control the smoke machine to perform corresponding operation according to the control instruction of the smoke machine so as to realize the operation of the smoke machine. For example: the controller can accurately recognize gesture actions of single-click hovering, double-click, left-to-right hand waving and right-to-left hand waving, and through reasonable interaction logic design, the single-click hovering gesture actions are utilized to control starting and shutdown switching, the right-to-left hand waving is utilized to control lighting switch switching, the left-to-right hand waving is utilized to control large air volume (quick-frying air volume)/small air volume (weak gear air volume) switching of the smoke machine, and the like.
According to the gesture control method for the smoke machine, provided by the embodiment of the invention, the first infrared emitter and the second infrared emitter emit the first infrared signal and the second infrared signal respectively, 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 smoke machine can generate a smoke machine control instruction for controlling the operation of the smoke machine according to the first infrared signal and the second infrared signal acquired 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 more function of cigarette machine, the user need not to click control panel with the hand and controls the cigarette machine, can avoid the cross infection problem that residual oil stain spot brought on the control panel, thereby improves user's experience degree.
The embodiment provides another gesture control method for the smoke machine, which is realized on the basis of the embodiment; the embodiment focuses on describing a specific implementation manner of judging whether the first infrared signal and the second infrared signal meet the control instruction of the smoke machine corresponding to the preset gesture operation. As shown in fig. 2, the method for controlling the gesture of the smoke machine in the 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 the first infrared emitter and the second infrared signal is emitted by the second infrared emitter.
The working principle of the gesture control method of the smoke machine in this embodiment may refer to a schematic diagram of the working principle of the gesture control method of the smoke machine shown in fig. 3. As shown in fig. 3, the controller 30 is communicatively connected to an infrared receiver 201, two sides of the infrared receiver 201 are respectively provided with a first infrared emitter 202 and a second infrared emitter 203, which 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 actions) 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, clings to the glass panel, and can be provided with a black film or silk screen with high infrared light transmittance in the middle, so that the overall coordination aesthetic property of the glass panel is improved. The first infrared emitters and the second infrared emitters which are arranged on the left side and the right side alternately send infrared signals, and the infrared receivers receive the intensity changes of the infrared signals in real time. The gesture actions of single click hovering, double click, left-to-right hand waving and right-to-left hand waving can be accurately identified through the change of the intensity of the left-to-right infrared signals along with time, gesture action information is sent to the controller, the controller controls starting and closing switching according to the single click hovering or the double click gesture actions, the left-to-right hand waving controls the switching of the lighting switch, and the right-to-left hand waving controls the switching of large air volume (quick-frying air volume)/small air volume (weak gear air volume) of the smoke machine. Thus, the functions of turning on/off, lighting and air quantity adjustment of the smoke machine can be controlled through three simple gesture actions, the smoke machine control panel is completely prevented from being touched by hands in the cooking process, oil stain and dirt cross infection of food is avoided, and the smoke machine is clean and sanitary.
In step S204, information of a change in the intensity of the first infrared signal with time and information of a change in the intensity of the second infrared signal with time are detected.
The first infrared signal and the second infrared signal corresponding to different gestures have different information of the change of the intensity of the first infrared signal and the second infrared signal along with time, and the information of the change of the intensity along with time can be represented by infrared waveforms. Accordingly, the controller may first determine waveforms of the first infrared signal and the second infrared signal.
Step S206, judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation or not based on the detected time-dependent change information of the intensity of the first infrared signal and the time-dependent change information of the intensity of the second infrared signal.
After determining the waveforms of the first and second infrared signals, the controller may determine whether the gesture operation is made by the user and the specific content of the finger operation according to the waveforms. And determining a corresponding smoke machine control instruction according to the recognized gesture operation, for example, the smoke machine control instruction is executed through steps A1-A2:
and step A1, when the intensities of the first infrared signal and the second infrared signal are increased and then reduced with time, recognizing gesture operation.
If the user does not make a gesture, the intensities of the first infrared signal and the second infrared signal generally do not change. When the user is doing gesture actions, the intensities of the first infrared signal and the second infrared signal can be increased along with time, and when the user is ending gesture actions, the intensities of the first infrared signal and the second infrared signal can be reduced along with time. Therefore, when the intensities of the first infrared signal and the second infrared signal are increased and then decreased with time, it is explained that the user has made a gesture motion and the gesture motion is completed, the controller can recognize the gesture operation. Specifically, gesture operations may be classified into a waving operation and a finger clicking operation. Both correspond to different waveforms.
Referring to fig. 4, a waveform diagram of a waving operation is shown, wherein a solid line in fig. 4 is a waveform of a first infrared signal, and a dotted line is a waveform of a 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 emission area are both infrared emission diodes.
From fig. 4, it can be concluded that: if the difference between the intensity peaks of the first infrared signal and the second infrared signal is smaller than the set intensity threshold, and the time corresponding to the intensity peak of the first infrared signal is different from the time corresponding to the intensity peak of the second infrared signal, the gesture operation is identified as a waving operation.
As shown in fig. 4, the left infrared emitting diode is turned on to emit an infrared signal T1us, when the reflected signal is stable at the time of T1/2us, the infrared signal reflected by the left infrared emitting diode is collected, then the right infrared emitting diode is turned on to emit the infrared signal T1us, the infrared signal reflected by the right infrared emitting diode is also collected at the time of T1/2us, the signal emission time sequences of the left infrared emitting diode and the right infrared emitting diode are staggered, and the right infrared emitting diode can emit infrared light only after the emission of the left infrared emitting diode is not required. The time at which the peak in the intensity of the infrared signal was collected is noted as Tmax.
Thus, the left infrared emitting diode and the right infrared emitting diode are alternately turned on, the solid line represents the intensity of the reflected infrared signal received by the infrared receiving sensor when the left infrared emitting diode is turned on, 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 turned on.
In addition, the controller may determine the direction of the waving operation based on a time sequence of the time corresponding to the intensity peak of the first infrared signal and the time corresponding to the intensity peak of the second infrared signal. For example, when a 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. The time difference between the left and right infrared signal intensity peaks is calculated by Δt=tmax2-Tmax 1.
In order to prevent false touch caused by movement of the head of the human body, 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 recognizing the gesture operation as the waving operation currently. When the human head moves in the sensing area, the speed is slower, the reflecting area of the human head is longer than the time required to move outside the sensing area, and when deltaT (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 larger than a set hand waving judging threshold Tth (namely, the first threshold), the hand waving action is not responded, so that false triggering caused by the movement of the human body can be effectively avoided.
The reflection area of the normal hand waving speed is smaller than the reflection area of the faster hand, and the smaller deltat is smaller than the hand waving judgment threshold Tth, so that the recognition response of the hand waving gesture is not affected. If the hand swing is right to left, the waveforms are just opposite, tmax1> Tmax2, and Δt=tmax1-Tmax 2, which can be identified as well.
Referring also to the schematic waveform diagram of another hand waving operation shown in fig. 5, the solid line in fig. 5 is the waveform of the first infrared signal, and the dotted line is the waveform of the second infrared signal. The first infrared emitter and the second infrared emitter may alternately emit the first infrared signal and the second infrared signal, whether fig. 4 or fig. 5.
From fig. 5, it can be summarized that: if the intensity peaks of the first infrared signal and the second infrared signal are different, and the difference between the time corresponding to the intensity peak of the first infrared signal and the time corresponding to the intensity peak of the second infrared signal is smaller than a set time threshold, recognizing the gesture operation as a finger click operation.
As shown in fig. 5, the left and right infrared reflected signal intensities are increased and decreased simultaneously during clicking, a waveform with a larger signal value is taken for judgment, when the signal intensity is increased to the minimum judgment value Smin, the signal intensity is denoted as Tstart, when the signal intensity is increased to the clicking judgment threshold Sclik, the signal intensity is denoted as Ts1, and Δt=ts1-Tstart, the clicking action time is calculated.
In order to prevent false touch caused by head movement, if the difference between the first time and the second time in the first infrared signal or the second infrared signal is larger than a preset third threshold value, ending the step of recognizing the gesture operation as finger clicking operation currently; wherein the first moment characterizes a moment when the intensity of the infrared signal increases to a preset first intensity; the second time characterizes a time at which the intensity of the infrared signal decreases to a preset second intensity.
The difference between the first moment and the second moment is deltat, the speed is relatively slow when the human body approaches the control panel, deltat is relatively large, and the clicking action is invalid when deltat is larger than a set judgment threshold value Tth (namely a third threshold value), so that false triggering caused when the human head and the like approach the control panel can be effectively avoided.
In addition, the number of clicks of the finger clicking operation may be determined based on a duration in which the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold.
The normal clicking action is faster, and the deltaT is smaller than the judging threshold Tth, so that accurate identification can be realized. When the time point when the signal decreases below Sclik is recorded as Ts2, Δt2=ts2-Ts 1, the duration of the single click action is calculated, and when the time exceeds the preset threshold Tth1, the single click hover action can be determined, and if the time of the two single click actions is less than the preset threshold Tth1, and the interval time between the first single click action and the second single click action is shorter, the double click action can be determined. The double-click action needs to judge that the continuous two-time single-click action time delta T is smaller than the judging threshold Tth, and the interval time between the two single-click actions is shorter, so that the human head is moved close to be less prone to be misidentified, and the double-click action device is particularly suitable for being used in European style smoke machines with operation panels close to human bodies.
And step A2, determining a smoke machine control instruction according to the recognized gesture operation.
After the recognized gesture operation, the controller can determine a smoke machine control instruction corresponding to the recognized gesture operation. Generally, the corresponding relation between the gesture operation and the smoke machine control instruction is preset by the controller, and the smoke machine control instruction corresponding to the identified gesture operation can be determined according to the corresponding relation.
And step S208, if so, controlling the smoke machine to operate according to the smoke machine control instruction.
It should be noted that, in the embodiment of the present invention, the first infrared emitter, the second infrared emitter and the infrared receiver are all arranged and distributed from left to right, and in addition, the first infrared emitter, the second infrared emitter and the infrared receiver may be arranged and distributed from top to bottom, so that the hand waving from top to bottom and the hand waving from bottom to top can be identified. Similar effects can be achieved instead of left to right and right to left.
The embodiment can utilize single click hovering, double click, left-to-right hand waving and right-to-left hand waving gesture actions, and reasonable interaction control logic further comprises: the lighting and air door is synchronously opened and closed by controlling the on-off machine through clicking hovering, the large air quantity is selected from left to right to switch the air quantity into the quick-frying air quantity and the strong air quantity, the small air quantity is selected from right to left to switch the air quantity into the weak air quantity and the closed air quantity, and the like. The all functions of the on-off, illumination and air quantity adjustment of the smoke machine can be simply and efficiently controlled 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 state, all functions of the smoke machine can be simply and efficiently controlled, and the double-click action is not triggered by human body movement and shaking.
The reasonable interactive logic design in the embodiment also comprises the steps of controlling on-off (synchronous switch baffle of the smoke machine with an air door baffle) by utilizing double-click actions, controlling illumination by utilizing hovering actions, switching air quantity from left to right by selecting large air quantity to be the quick-fried air quantity and the strong-gear air quantity, switching air quantity from right to left by selecting small air quantity to be the weak-gear air quantity and the closed air quantity, and the like, and can simply and efficiently control all functions of the smoke machine.
The embodiment can also identify whether the human body movement is triggered by mistake or is a normal gesture motion by judging the speed of the hand waving motion, for example, when the human body moves left and right, the time difference of the left and right peaks is delta T=Tmax 2-Tmax1, the distance between the left and right infrared emitting diodes is S1, the speed V=S1/delta T is set according to the normal hand waving speed, and when the speed V is smaller than the Vth, the human body movement is considered to be slow movement and false triggering of the human body and is not normal hand waving motion, so that the time difference does not respond to the left and right hand waving motion, and the false triggering phenomenon caused by the movement of the human body at the horizontal position is effectively avoided.
According to the method provided by the embodiment, the high-sensitivity infrared receiving sensor is adopted, so that 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, the horizontal movement of gesture actions can be detected, the approach and the separation of hands on the space distance can be detected, and the hand waving actions or the single-click or double-click actions can be accurately distinguished. The recognized gesture actions are more accurate and rich, more functions of the smoke machine can be controlled, and the scheme price is lower and the smoke machine can be applied in a large scale.
According to the method provided by the embodiment, whether the head of the human body is close to or moves or an effective gesture can be effectively distinguished through the intensity change of the infrared reflection signal. Therefore, false triggering caused by the approach or movement of the head of the human body is avoided, and the gesture recognition is more accurate and efficient and better in experience.
According to the method provided by the embodiment, the gesture actions of single-click hovering, double-click, left-to-right hand waving and right-to-left hand waving can be accurately identified, the switching on and off is controlled by the gesture actions of single-click hovering, the switching of the lighting switch is controlled by right-to-left hand waving, and the switching of the large air volume (quick-frying air volume)/small air volume (weak gear air volume) of the smoke machine is controlled by left-to-right hand waving. Thus, the functions of turning on/off, lighting and air quantity adjustment of the smoke machine can be controlled through three simple gesture actions, the smoke machine control panel is completely prevented from being touched by hands in the cooking process, oil stain and dirt cross infection of food is avoided, and the smoke machine is clean and sanitary.
According to the method provided by the embodiment, when the standby touch key is operated by a person, the gesture recognition module recognizes the gesture action, so that the interference of the touch key needs to be avoided when the gesture recognition module is very close to the standby key in installation position, and the interference caused by the mistakenly recognized gesture action when the key is touched can be effectively avoided when the key is effective and the gesture action is not responded within a fixed time.
Corresponding to the above method embodiment, referring to the schematic structural diagram of a gesture control device for a smoke machine shown in fig. 6, the gesture control device is applied to a controller of the smoke machine, and the smoke machine is configured with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine in parallel; the infrared receiver is in communication connection with the controller; this cigarette machine gesture controlling means includes:
an infrared signal acquisition module 61 for acquiring a first infrared signal and a second infrared signal acquired by an 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 smoke machine control instruction judging module 62 is configured to judge whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation;
and a smoke machine control instruction operation module 63, configured to control the smoke machine to operate according to the smoke machine control instruction if the smoke machine control instruction is yes.
According to the gesture control device for the smoke machine, provided by the embodiment of the invention, the first infrared emitter and the second infrared emitter emit the first infrared signal and the second infrared signal respectively, 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 smoke machine can generate a smoke machine control instruction for controlling the operation of the smoke machine according to the first infrared signal and the second infrared signal acquired 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 more function of cigarette machine, the user need not to click control panel with the hand and controls the cigarette machine, can avoid the cross infection problem that residual oil stain spot brought on the control panel, thereby improves user's experience degree.
Further, the cigarette machine control instruction judging module is used for detecting the time-dependent change information of the intensity of the first infrared signal and the time-dependent change information of the intensity of the second infrared signal; and judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to the 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 identifying gesture operation when the intensities of the first infrared signal and the second infrared signal are increased and then reduced with time; and determining a smoke machine control instruction according to the recognized gesture operation.
Further, the above-mentioned cigarette machine control instruction judging module is configured to identify the gesture operation as the waving operation if the difference between the intensity peaks of the first infrared signal and the second infrared signal is smaller than the set intensity threshold, and the time corresponding to the intensity peak of the first infrared signal is different from the time corresponding to the intensity peak of the second infrared signal; if the intensity peaks of the first infrared signal and the second infrared signal are different, and the difference between the time corresponding to the intensity peak of the first infrared signal and the time corresponding to the intensity peak of the second infrared signal is smaller than a set time threshold, recognizing the gesture operation as a finger click operation.
Further, the cigarette machine control instruction judging module is configured to determine a direction of the hand waving operation based on a time sequence of a time corresponding to the intensity peak value of the first infrared signal and a time corresponding to the intensity peak value of the second infrared signal.
Further, the above-mentioned cigarette machine control instruction judging module is further configured to end the step of recognizing the gesture operation as the waving operation if the difference between the time corresponding to the intensity peak of the first infrared signal and the 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 configured to determine the number of clicking times of the finger clicking operation based on a duration time when the intensity of the first infrared signal or the second infrared signal is greater than a preset second threshold value.
Further, the cigarette machine control instruction judging module is further configured to end the step of recognizing the gesture operation as the finger clicking operation if the difference between the first time and the second time is greater than a preset third threshold in the first infrared signal or the second infrared signal; wherein the first moment characterizes a moment when the intensity of the infrared signal increases to a preset first intensity; the second time characterizes 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 a first infrared signal and a second infrared signal.
The gesture control device for the smoke machine provided by the embodiment of the invention has the same technical characteristics as the gesture control method for the smoke machine provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
The embodiment of the invention also provides a controller, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the gesture control method of the smoke machine when executing the computer program.
The embodiment of the invention also provides a smoke machine, which is provided with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the smoke machine in parallel; and the range hood is provided with the controller.
Referring to the schematic structure of a smoke machine shown in fig. 7, a glass panel 10 is positioned at the front part of the smoke machine and is arranged in front of the first infrared emitter, the second infrared emitter and the infrared receiver, and is used for shielding the first infrared emitter, the second infrared emitter and the infrared receiver; the display ring 102 and the touch key 101 are arranged on the appointed side surface of the smoke machine, and the display ring is used for displaying the air quantity of the smoke machine; the touch key is used for responding to touch operation of a user and generating a smoke machine control instruction corresponding to the touch operation.
Because European style tower type smoke machine control panel is very near to human head, horizontal migration and back-and-forth rocking in front of control panel are very easy to be misidentified by gesture sensor module into gesture action and lead to the false triggering in the cooking process. Therefore, it is very important to effectively recognize false triggering caused by gesture actions and human body movement. When a person operates the touch key, the gesture recognition module recognizes the touch key as a gesture action, so that the interference of gesture recognition for controlling the touch key action is avoided when the gesture recognition module is very close to the key installation position, and the interference caused by the mistakenly recognized gesture action when the touch key is effectively touched can be effectively avoided when the touch key is effective and the gesture action is not responded within a fixed time.
The embodiment of the invention also provides a controller for running the gesture control method of the smoke machine; referring to fig. 8, a schematic diagram of a controller is shown, where the controller includes a memory 800 and a processor 801, where the memory 800 is configured to store one or more computer instructions, and the one or more computer instructions are executed by the processor 801 to implement the above-mentioned smoke 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 through the bus 802.
The memory 800 may include a high-speed random access memory (RAM, random Access Memory), and may further include a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. The communication connection between the system network element and at least one other network element is implemented via at least one communication interface 803 (which may be wired or wireless), which may use the internet, a wide area network, a local network, a metropolitan area network, etc. Bus 802 may be an ISA bus, a PCI bus, or an EISA bus, among others. The buses may be divided into address buses, data buses, control buses, etc. For ease of illustration, only one bi-directional arrow is shown in FIG. 8, but not only one bus or type of bus.
The processor 801 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuitry in hardware in the processor 801 or by instructions in software. The processor 801 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), and the like; but also digital signal processors (Digital Signal Processor, DSP for short), application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The disclosed methods, steps, and logic blocks 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 embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in the memory 800, and the processor 801 reads information in the memory 800 and in combination with its hardware performs the steps of the method of the previous embodiment.
The embodiment of the invention also provides a computer readable storage medium, which stores computer executable instructions that, when being called and executed by a processor, cause the processor to implement the above-mentioned smoke machine gesture control method, and specific implementation can be seen in the method embodiment and will not be described herein.
The method, the device, the controller and the computer program product of the smoke machine provided by the embodiment of the invention comprise a computer readable storage medium storing program codes, and the instructions included in the program codes can be used for executing the method in the previous method embodiment, and specific implementation can be referred to the method embodiment and will not be repeated here.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and/or apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill 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 this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform 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, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific 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 examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. The gesture control method for the smoke machine is characterized by being applied to a controller of the smoke machine, wherein the smoke machine is provided with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the cigarette machine 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 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 or not;
if yes, controlling the smoke machine to operate according to the smoke machine control instruction;
judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation or not, comprising the following steps: detecting information of the change of the intensity of the first infrared signal with time and information of 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 cigarette machine control instruction corresponding to a preset gesture operation or not based on the detected time-dependent change information of the intensity of the first infrared signal and the time-dependent change information of the intensity of the second infrared signal.
2. The method according to claim 1, wherein the step of determining whether the first infrared signal and the second infrared signal satisfy a smoke machine control instruction corresponding to a preset gesture operation based on the detected time-dependent change information of the intensity of the first infrared signal and the detected time-dependent change information of the intensity of the second infrared signal, comprises: when the intensities of the first infrared signal and the second infrared signal are increased and then reduced with time, recognizing the gesture operation; and determining a smoke machine control instruction according to the recognized gesture operation.
3. The method of claim 2, wherein the step of recognizing the gesture operation comprises: if the difference between the intensity peaks of the first infrared signal and the second infrared signal is smaller than a set intensity threshold, and the moment corresponding to the intensity peak of the first infrared signal is different from the moment corresponding to the intensity peak of the second infrared signal, recognizing the gesture operation as a waving operation; and if the intensity peaks of the first infrared signal and the second infrared signal are different, and the difference between the moment corresponding to the intensity peak of the first infrared signal and the moment corresponding to the intensity peak of the second infrared signal is smaller than a set time threshold, recognizing the gesture operation as a finger click operation.
4. A method according to claim 3, 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 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.
5. The method of claim 3, 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 recognizing the gesture operation as the waving operation currently.
6. A method according to claim 3, wherein the step of identifying the gesture operation as a finger click operation comprises:
and determining the clicking times of the finger clicking operation based on the duration time that the intensity of the first infrared signal or the second infrared signal is larger than a preset second threshold value.
7. The method of claim 3, wherein the step of recognizing the gesture operation as a finger click operation further comprises:
if the difference between the first time and the second time in the first infrared signal or the second infrared signal is larger than a preset third threshold value, ending the step of recognizing the gesture operation as a finger clicking operation currently; wherein the first moment characterizes a moment when the intensity of the infrared signal increases to a preset first intensity; the second moment characterizes a moment when the intensity of the infrared signal decreases to a preset second intensity.
8. 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.
9. A gesture control device of a smoke machine, which is characterized by being applied to a controller of the smoke machine, wherein the smoke machine is provided with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the cigarette machine 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 the first infrared emitter and the second infrared signal is emitted by the second infrared emitter;
the smoke machine control instruction judging module is used for judging whether the first infrared signal and the second infrared signal meet a smoke machine control instruction corresponding to a preset gesture operation or not;
the control instruction operation module of the cigarette machine is used for controlling the cigarette machine to operate according to the control instruction of the cigarette machine if the control instruction of the cigarette machine is yes;
the smoke machine control instruction judging module is used for detecting the time-dependent change information of the intensity of the first infrared signal and the time-dependent change information of the intensity of the second infrared signal; and judging whether the first infrared signal and the second infrared signal meet a cigarette machine control instruction corresponding to a preset gesture operation or not based on the detected time-dependent change information of the intensity of the first infrared signal and the time-dependent change information of the intensity of the second infrared signal.
10. A controller comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the smoke machine gesture control method of any one of claims 1-8 when the computer program is executed.
11. A range hood, characterized in that the range hood is configured with a first infrared emitter, a second infrared emitter and an infrared receiver; the first infrared emitter, the second infrared emitter and the infrared receiver are arranged on the appointed side face of the cigarette machine in parallel; and the extractor is configured with the controller of claim 10.
12. The range hood of claim 11, wherein the range hood further comprises: the display device comprises a glass panel, a display ring and touch keys; the glass panel is arranged in front of the first infrared emitter, the second infrared emitter and the infrared receiver, and the display circular ring and the touch keys are arranged on the appointed side face of the smoke machine;
the glass panel is used for shielding the first infrared emitter, the second infrared emitter and the infrared receiver;
The display circular ring is used for displaying the air quantity of the smoke machine;
the touch key is used for responding to touch operation of a user and generating a smoke machine control instruction corresponding to the touch operation.
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