CN113625636A - Key trigger control method and device and electrical equipment - Google Patents
Key trigger control method and device and electrical equipment Download PDFInfo
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- CN113625636A CN113625636A CN202110931230.XA CN202110931230A CN113625636A CN 113625636 A CN113625636 A CN 113625636A CN 202110931230 A CN202110931230 A CN 202110931230A CN 113625636 A CN113625636 A CN 113625636A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The invention discloses a key triggering control method, a key triggering control device and electrical equipment, wherein the key triggering control method comprises the following steps: respectively acquiring the sound signals detected by each sound sensor; determining the sound source positions of the sound sources corresponding to the sound signals according to the obtained sound signals; when the sound source position belongs to a preset key identification area, the key function corresponding to the sound source position is determined according to the key identification area, and the key function is executed, so that real keys do not need to be arranged in the electrical equipment, the key function can be triggered only according to the key identification and the sound signal, and the problems that the current key triggering mode is influenced by the problems of position, space, safety and the like and the operation is inconvenient are solved because the real keys do not need to be arranged in the electrical equipment.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a key trigger control method and device and electrical equipment.
Background
At present, most household electrical appliances adopt modes such as a knob switch, a light touch key and a touch key to perform key operation, and are affected by problems such as position, space and safety in practical use, so that the operation is not very convenient. For example, a knob switch and a light touch key both need to be provided with a joint seam at the joint position of corresponding structures, so that risks such as short circuit, dust entering and the like exist, and the service life of the switch is limited; although the touch key does not need to be structurally split, the service life of the key is not influenced, the touch key has high requirement on space, and a key board and a spring must be placed in a large enough internal space, so that the limitation is large.
Disclosure of Invention
In view of this, embodiments of the present invention provide a key triggering control method, device and electrical equipment, so as to solve the problem that the current key triggering mode is affected by the problems of location, space, safety, and the like, and is inconvenient to operate.
According to a first aspect, an embodiment of the present invention provides a key triggering control method, which is applied to an electrical device, where the electrical device includes at least two sound sensors, and the key triggering control method includes: respectively acquiring the sound signals detected by each sound sensor; determining the sound source positions of the sound sources corresponding to the sound signals according to the obtained sound signals; and when the sound source position belongs to a preset key identification area, determining a key function corresponding to the sound source position according to the key identification area, and executing the key function.
According to the key triggering control method provided by the embodiment of the invention, real keys are not required to be arranged in the electrical equipment, and the triggering of the key function can be realized only according to the key identification area and the sound signal; meanwhile, the novelty and high-tech type of the product can be improved by using the key triggering control method, the requirements of a user on the attractiveness and novelty of the product are met, and the user experience is improved.
With reference to the first aspect, in a first implementation manner of the first aspect, when the key identification region includes at least two key identification positions, determining a key function according to the key identification region includes: acquiring a corresponding relation between a preset key identification position and a key function; and determining the key function corresponding to the sound source position by utilizing the corresponding relation between the key identification position and the key function based on the sound source position.
With reference to the first aspect, in a second implementation manner of the first aspect, when the key identification region corresponds to only one key function, determining a key function according to the key identification region includes: acquiring a corresponding relation between a preset key identification area and a key function; and determining the key function corresponding to the sound source position by using the corresponding relation between the key identification area and the key function.
With reference to the first aspect, in a third implementation manner of the first aspect, the determining, from the acquired plurality of sound signals, a sound source position of a sound source corresponding to the plurality of sound signals includes: converting each sound signal into an electrical signal; respectively carrying out amplification processing and noise reduction processing on each electric signal; the sound source position is determined from the phase difference and/or intensity difference between all electrical signals.
With reference to the first aspect, in a fourth implementation manner of the first aspect, before the separately acquiring the sound signal detected by each sound sensor, the method further includes: starting the projection device; and projecting the key identification position to the key identification area.
According to a second aspect, an embodiment of the present invention further provides a key trigger control device, which is applied to an electrical apparatus, where the electrical apparatus includes at least two sound sensors, and the key trigger control device includes an obtaining module, a first processing module, and a second processing module, where the obtaining module is configured to obtain a sound signal detected by each sound sensor; the first processing module is used for determining the sound source positions of the sound sources corresponding to the sound signals according to the obtained sound signals; and when the sound source position belongs to a preset key identification area, the second processing module is used for determining a key function corresponding to the sound source position according to the key identification area and executing the key function.
According to a third aspect, an embodiment of the present invention further provides an electrical apparatus, including at least two sound sensors, a key identification area, and a controller, where each sound sensor and the controller are communicatively connected to each other, and a computer instruction is stored in the controller, and the controller executes the computer instruction, so as to execute the first aspect or the key triggering control method described in any one of the implementation manners of the first aspect.
With reference to the third aspect, in the first embodiment of the third aspect, the sound sensors are disposed on both sides of the key identification area.
With reference to the third aspect, in a second implementation manner of the third aspect, the electrical apparatus further includes a projection device, communicatively connected to the controller, for projecting the key arrangement position to the key identification area.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which stores computer instructions for causing a computer to execute the key triggering control method described in the first aspect or any one of the implementation manners of the first aspect.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
fig. 1 is a schematic flow chart of a key triggering control method according to embodiment 1 of the present invention;
fig. 2 is a working diagram of a specific example of a key triggering control method according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a key triggering control device in embodiment 2 of the present invention;
wherein, 1, a projection device; 2. a key identification area; 3. a first sound sensor; 4. and a second sound sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Example 1
The embodiment 1 of the invention provides a key triggering control method. The key triggering control method in embodiment 1 of the present invention is applied to an electrical apparatus, and the electrical apparatus includes at least two sound sensors.
Fig. 1 is a schematic flow chart of a key triggering control method according to embodiment 1 of the present invention, and as shown in fig. 1, the key triggering control method according to embodiment 1 of the present invention includes the following steps:
s101: the sound signals detected by each sound sensor are acquired respectively.
As a specific implementation manner, in embodiment 1 of the present invention, a key identification area is provided in an electrical device, and before respectively acquiring a sound signal detected by each sound sensor, the method further includes: starting the projection device; and projecting the key identification position to the key identification area. That is, the key mark region is originally a blank region, and the key mark position is projected to the key mark region by the projection device.
As another specific implementation manner, in embodiment 1 of the present invention, a key identification area with a key identification position is provided in an electrical device. The key mark position can be arranged in the key mark area through laser engraving silk screen printing and other processes.
It should be noted that the sound source positions of the sound sources corresponding to the plurality of sound signals acquired in step S101 may be located outside the key identification area or within the key identification area. The sound signal may also be generated in various forms, such as by hitting a key identification region, by hitting a key identification position of a key identification region, by hitting a finger in a key identification region.
In addition, in practice, each sound sensor will detect a sound signal generated by a non-tapping action, such as a human speaking sound, at the same time, and at this time, the part of the sound signal can be filtered out through the tone of the sound signal.
It should be noted that the key identification area may correspond to a plurality of key functions, for example, at least two key identification positions are set in the key identification area, and each key identification position corresponds to one key function. The key identification area may correspond to only one key function. The number of the key identification areas can be one or more, the key identification areas can be a fixed area, and the key identification areas can also be opened for user definition, so that the user definition flexibility is realized. Meanwhile, the key triggering control method in embodiment 1 of the present invention also supports combination keys and a plurality of keys, for example, when a certain key identifier position in the key identifier region is tapped once, the key is turned on, and when the same key identifier position in the key identifier region is tapped twice within a preset time period, the key is turned off.
S102: and determining the sound source position of the sound source corresponding to the plurality of sound signals according to the acquired plurality of sound signals.
Specifically, the following technical solution may be adopted to determine the sound source positions of the sound sources corresponding to the plurality of sound signals according to the obtained plurality of sound signals: converting each sound signal into an electrical signal; respectively carrying out amplification processing and noise reduction processing on each electric signal; the sound source position is determined from the phase difference and/or intensity difference between all electrical signals.
S103: and when the sound source position belongs to a preset key identification area, determining a key function corresponding to the sound source position according to the key identification area, and executing the key function.
Further, when the sound source position does not belong to the preset key identification area, no response is made, and of course, when the sound source position does not belong to the preset key identification area, the step of respectively acquiring the sound signals detected by each sound sensor can be returned, so that the key-triggered circulation control can be realized.
As a specific implementation manner, when the key identification region includes at least two key identification positions, the following technical scheme may be adopted for determining the key function according to the key identification region: acquiring a corresponding relation between a preset key identification position and a key function; and determining the key function corresponding to the sound source position by utilizing the corresponding relation between the key identification position and the key function based on the sound source position.
As another specific implementation manner, when the key identification region only corresponds to one key function, the following technical solution may be adopted for determining the key function according to the key identification region: acquiring a corresponding relation between a preset key identification area and a key function; and determining the key function corresponding to the sound source position by using the corresponding relation between the key identification area and the key function.
It should be noted that the processing of the sound signals acquired by the sound sensors at different times in the controller is not overlapped. Specifically, when the sound sensor receives the sound from the sound source, the sound is converted into an electrical signal, and the electrical signal is filtered (i.e., interference is filtered, wherein interference possibly from a circuit or external interference, amplification and noise reduction processing are performed, and then the electrical signal is transmitted to the controller to calculate the sound source position, if the position is not a preset position, no response is performed, the whole detection process is relatively fast, the processing can be completed before the next sound signal is received by the sound sensor (the program processing execution can reach us level, and the sound speed is 340m/s, and is relatively slow), for example, the distance between two sound sources is 1cm, the sound transmission time difference is 0.01/340-0.000029(s) -29 us, the program execution can be completed in 1us (the program execution can be completed along with the increase of the frequency of the MCU), and the first sound processing calculation is completed before the second sound is transmitted.
To describe the key triggering control method in embodiment 1 of the present invention in more detail, a specific example is given, and fig. 2 is a schematic working diagram of a specific example of the key triggering control method in embodiment 1 of the present invention. As shown in fig. 2, the electric device includes two sound sensors, i.e., a first sound sensor 3 and a second sound sensor 4, a projection apparatus 1, and a key identification area 2. The first acoustic sensor 3 and the second acoustic sensor 4 mainly detect the position of the sound source, and have high accuracy requirements (for example, sensors incorporating a capacitor electret microphone sensitive to sound). The projection device 1 is started, the key identification positions are projected to the key identification area 2, when a user knocks the key identifications of the key identification area 2, the controller of the electrical equipment can determine the specific sound emitted from which position according to the sound signals detected by the sound sensor, and therefore the key identifications knocked by the user can be judged according to the key identification positions in the key identification area 2.
In the electric equipment using the method, after the electric equipment is started, the two sound sensors receive surrounding sound like human ears, when some sound is detected, the sound is converted into an electric signal, the converted electric signal is sent to the chip, the chip program can screen and discriminate the sound according to the difference of the intensity, the sound phase, the sound difference, the sound color and the like of the sound, and effective sound information is extracted (namely, the method comprises the following two steps of 1, filtering sound signals generated by non-knocking actions through the sound color and the like of the sound signals, and 2, determining the position generated by the knocking actions through the intensity, the sound phase and the sound difference of the sound signals, and further filtering the sound signals generated by knocking the non-key identification areas). In practical use, the sound sensor is likely to receive many noises from other positions, and after the noises are filtered, only the sound source information in the preset area is reserved for identification.
The position of the specific source is calculated, and the key to be pressed by the user is determined according to the position, so that the equipment can respond to the function required by the user.
Therefore, according to the key triggering control method provided by the embodiment 1 of the present invention, it is not necessary to set a real key in the electrical equipment, and the triggering of the key function can be realized only according to the key identification area and the sound signal, and since there is no need to set a real key in the electrical equipment and the sound location detection can not be affected by the position and the space, the key triggering control method provided by the embodiment of the present invention can solve the problem that the current key triggering mode is affected by the problems of the position, the space, the safety, and the like, and the operation is inconvenient; meanwhile, the novelty and high-tech type of the product can be improved by using the key triggering control method, the requirements of a user on the attractiveness and novelty of the product are met, and the user experience is improved.
Example 2
Corresponding to embodiment 1 of the present invention, embodiment 2 of the present invention provides a key trigger control device. Fig. 3 is a schematic structural diagram of a key trigger control device in embodiment 2 of the present invention, and as shown in fig. 3, the key trigger control device in embodiment 2 of the present invention includes an obtaining module 21, a first processing module 22, and a second processing module 23.
Specifically, the acquiring module 20 is configured to acquire the sound signals detected by each sound sensor respectively;
a first processing module 21, configured to determine, according to the obtained multiple sound signals, sound source positions of sound sources corresponding to the multiple sound signals;
and the second processing module 22 is configured to determine a key function corresponding to the sound source position according to the key identification area and execute the key function when the sound source position belongs to a preset key identification area.
The details of the key triggering control device can be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 1 to fig. 2, and are not described herein again.
Example 3
The embodiment of the invention also provides electric equipment which comprises at least two sound sensors, a key identification area and a controller, wherein each sound sensor is in communication connection with the controller, the controller comprises a processor and a memory, and the processor and the memory can be connected through a bus or in other modes.
Specifically, the sound sensors are arranged on two sides of the key identification area.
As a specific implementation manner, the electrical equipment further includes a projection device, and the projection device is connected in communication with the controller and is used for projecting the key arrangement position to the key identification area.
As another specific implementation manner, the key identification area includes a key identification position. The key mark position can be arranged in the key mark area through laser engraving silk screen printing and other processes.
The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
The memory, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules (e.g., the acquiring module 21, the first processing module 22, and the second processing module 23 shown in fig. 3) corresponding to the key shielding method of the in-vehicle display device in the embodiment of the present invention. The processor executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory, that is, the key triggering control method in the above method embodiment is implemented.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform a key activation control method as in the embodiment of fig. 1-2.
The details of the electrical apparatus may be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 1 to fig. 3, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A key triggering control method is applied to electrical equipment and is characterized in that the electrical equipment comprises at least two sound sensors, and the key triggering control method comprises the following steps:
respectively acquiring the sound signals detected by each sound sensor;
determining the sound source positions of the sound sources corresponding to the sound signals according to the obtained sound signals;
and when the sound source position belongs to a preset key identification area, determining a key function corresponding to the sound source position according to the key identification area, and executing the key function.
2. The method of claim 1, wherein when the key identification region includes at least two key identification locations, determining key functionality based on the key identification region comprises:
acquiring a corresponding relation between a preset key identification position and a key function;
and determining the key function corresponding to the sound source position by utilizing the corresponding relation between the key identification position and the key function based on the sound source position.
3. The method of claim 1, wherein when the key identification region corresponds to only one key function, determining a key function according to the key identification region comprises:
acquiring a corresponding relation between a preset key identification area and a key function;
and determining the key function corresponding to the sound source position by using the corresponding relation between the key identification area and the key function.
4. The method according to claim 1, wherein the determining, from the acquired plurality of sound signals, a sound source position of a sound source corresponding to the plurality of sound signals comprises:
converting each sound signal into an electrical signal;
respectively carrying out amplification processing and noise reduction processing on each electric signal;
the sound source position is determined from the phase difference and/or intensity difference between all electrical signals.
5. The method of claim 1, further comprising, prior to separately acquiring the acoustic signal detected by each acoustic sensor:
starting the projection device;
and projecting the key identification position to the key identification area.
6. The utility model provides a button trigger control device, is applied to electrical equipment, its characterized in that, electrical equipment includes two at least sound sensor, and button trigger control device includes:
the acquisition module is used for respectively acquiring the sound signals detected by each sound sensor;
the first processing module is used for determining the sound source positions of the sound sources corresponding to the sound signals according to the obtained sound signals;
and the second processing module is used for determining a key function corresponding to the sound source position according to the key identification area and executing the key function when the sound source position belongs to a preset key identification area.
7. An electrical device, comprising:
at least two sound sensors, a key identification area and a controller, wherein each sound sensor and the controller are connected with each other in a communication mode, computer instructions are stored in the controller, and the controller executes the computer instructions so as to execute the key triggering control method of any one of claims 1 to 5.
8. The electrical device of claim 7, wherein the sound sensor is disposed on both sides of the key identification area.
9. The electrical device of claim 7, further comprising a projection device communicatively coupled to the controller for projecting the key arrangement location to the key identification area.
10. A computer-readable storage medium storing computer instructions for causing a computer to perform the key activation control method of any one of claims 1-5.
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| CN202110931230.XA CN113625636A (en) | 2021-08-13 | 2021-08-13 | Key trigger control method and device and electrical equipment |
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| CN202110931230.XA CN113625636A (en) | 2021-08-13 | 2021-08-13 | Key trigger control method and device and electrical equipment |
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| AU2019280627A1 (en) * | 2018-06-04 | 2020-12-03 | Ingenico Belgium | Device and method for secure identification of a user |
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| CN102622083A (en) * | 2012-02-24 | 2012-08-01 | 北京盈胜泰科技术有限公司 | Hand gesture recognition method and hand gesture recognition device |
| CN103942938A (en) * | 2013-01-21 | 2014-07-23 | 上海科斗电子科技有限公司 | Intelligent interactive system provided with portable intelligent device as control center |
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| AU2019280627A1 (en) * | 2018-06-04 | 2020-12-03 | Ingenico Belgium | Device and method for secure identification of a user |
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